diff --git a/.idea/material_theme_project_new.xml b/.idea/material_theme_project_new.xml index d6b475c..7df2513 100644 --- a/.idea/material_theme_project_new.xml +++ b/.idea/material_theme_project_new.xml @@ -3,8 +3,15 @@ + \ No newline at end of file diff --git a/CMakeLists.txt b/CMakeLists.txt index fed06b3..d8f5b5a 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -3,22 +3,42 @@ project(Lab8) set(CMAKE_CXX_STANDARD 20) +include(FetchContent) + +FetchContent_Declare( + nlohmann_json + GIT_REPOSITORY https://github.com/nlohmann/json.git + GIT_TAG v3.11.3 +) + +FetchContent_MakeAvailable(nlohmann_json) + add_executable(Lab8 + src/TaxRates.h + src/Property.h + src/Property.cpp + src/Apartment.cpp + src/Apartment.h + src/Car.cpp + src/Car.h + src/CountryHouse.cpp + src/CountryHouse.h src/main.cpp - src/Property/Property.cpp - src/Property/Property.h - src/Apartment/Apartment.cpp - src/Apartment/Apartment.h - src/Car/Car.cpp - src/Car/Car.h - src/CountryHouse/CountryHouse.cpp - src/CountryHouse/CountryHouse.h - src/Owner/Owner.cpp - src/Owner/Owner.h - src/TaxRates/TaxRates.h - src/Human/Human.cpp - src/Human/Human.h - src/City/City.cpp - src/City/City.h - src/PropertyFactory/PropertyFactory.cpp - src/PropertyFactory/PropertyFactory.h) + src/Owner.cpp + src/Owner.h + src/Ijsonio.cpp + src/Ijsonio.h + src/PropertySimpleFactory.cpp + src/PropertySimpleFactory.h + src/TaxService.cpp + src/TaxService.h + src/tinyxml2.cpp + src/tinyxml2.h + src/Ixmlio.cpp + src/Ixmlio.h + src/FileType.h + src/FileTypeFactory.h + src/FileTypeFactory.cpp +) + +target_link_libraries(Lab8 PRIVATE nlohmann_json::nlohmann_json) diff --git a/diagrams/uml.puml b/diagrams/uml.puml index 2ae29e4..6692cb3 100644 --- a/diagrams/uml.puml +++ b/diagrams/uml.puml @@ -1,42 +1,143 @@ @startuml +skinparam classAttributeIconSize 0 -class Property { - # double price - # string address - + show() - + clone() +title Lab8 - Property Tax System + +' ======================= +' ENUM +' ======================= +enum FileType { + JSON + XML + ANOTHER } +' ======================= +' INTERFACES +' ======================= +interface Ijsonio { + +fromJson(json) + +toJson() : json +} + +interface Ixmlio { + +fromXml(XMLElement*) + +toXml(XMLDocument&) : XMLElement* +} + +' ======================= +' ABSTRACT CLASS +' ======================= +abstract class Property { + #worth : double + + +Property(worth) + +calculateTax() : double + +incomeTax() : double + + +fromJson(json) + +toJson() : json + +fromXml(XMLElement*) + +toXml(XMLDocument&) : XMLElement* + + +~Property() +} + +Property ..|> Ijsonio +Property ..|> Ixmlio + +' ======================= +' DERIVED CLASSES +' ======================= class Apartment { - - int rooms - + show() - + clone() + #square : double + +calculateTax() : double } class Car { - - string brand - - int horsepower - + show() - + clone() + #horsepower : double + +calculateTax() : double } class CountryHouse { - - int floors - - double landArea - + show() - + clone() -} - -class City { - - vector - + addProperty() - + showAll() + #distanceFromCity : double + +calculateTax() : double } Property <|-- Apartment Property <|-- Car Property <|-- CountryHouse -City o-- Property +' ======================= +' OWNER +' ======================= +class Owner { + -fullname : string + -inn : string + -properties : vector + + +addProperty(Property*) + +removeProperty(int) + +calculateTotalTax() : double + +showProperties() + + +fromJson(json) + +toJson() : json + +fromXml(XMLElement*) + +toXml(XMLDocument&) : XMLElement* + + +~Owner() +} + +Owner ..|> Ijsonio +Owner ..|> Ixmlio + +Owner *-- Property : owns + +' ======================= +' FACTORY +' ======================= +class PropertySimpleFactory { + +static getProperty(key : string) : Property* +} + +Owner ..> PropertySimpleFactory + +' ======================= +' SERVICE LAYER +' ======================= +class TaxService { + -owners : vector + + +load(filename) + +save(filename) + + +loadFromJson() + +saveToJson() + + +loadFromXml() + +saveToXml() + + +addOwner() + +removeOwner() + + +addProperty() + +removeProperty() + + +showOwners() + + +~TaxService() +} + +TaxService o-- Owner + +' ======================= +' FILE TYPE FACTORY +' ======================= +class FileTypeFactory { + +static getFileType(filename) : FileType +} + +FileTypeFactory ..> FileType @enduml \ No newline at end of file diff --git a/json/input.json b/json/input.json deleted file mode 100644 index e69de29..0000000 diff --git a/json/output.json b/json/output.json deleted file mode 100644 index e69de29..0000000 diff --git a/src/Apartment.cpp b/src/Apartment.cpp new file mode 100644 index 0000000..71260a2 --- /dev/null +++ b/src/Apartment.cpp @@ -0,0 +1,74 @@ +#include "Apartment.h" +#include "TaxRates.h" + +Apartment::Apartment(double worth, double square) + : Property(worth) +{ + this->square = square; +} + +double Apartment::calculateTax() +{ + if (square > TAX_RATES::LIMIT_APARTMENT_SQUARE) + { + return worth * TAX_RATES::APARTMENT_LUXURY_TAX; + } + + return worth * TAX_RATES::APARTMENT_TAX; +} + +void Apartment::fromJson(json j) +{ + worth = j["worth"]; + + square = j["square"]; +} + +json Apartment::toJson() +{ + json j; + + j["worth"] = worth; + + j["square"] = square; + + j["tax"] = calculateTax(); + + return j; +} + +void Apartment::fromXml( + XMLElement* element) +{ + element->QueryDoubleAttribute( + "worth", + &worth + ); + + element->QueryDoubleAttribute( + "square", + &square + ); +} + +XMLElement* Apartment::toXml( + XMLDocument& doc) +{ + XMLElement* element = + doc.NewElement("Apartment"); + element->SetAttribute( + "worth", + worth + ); + + element->SetAttribute( + "square", + square + ); + + element->SetAttribute( + "tax", + calculateTax() + ); + return element; +} \ No newline at end of file diff --git a/src/Apartment.h b/src/Apartment.h new file mode 100644 index 0000000..cf7872d --- /dev/null +++ b/src/Apartment.h @@ -0,0 +1,22 @@ +#pragma once + +#include "Property.h" + +class Apartment : public Property +{ +private: + double square; + +public: + Apartment(double worth, double square); + + void fromJson(json j) override; + + json toJson() override; + + void fromXml(XMLElement* element) override; + + XMLElement* toXml(XMLDocument& doc) override; + + double calculateTax() override; +}; \ No newline at end of file diff --git a/src/Apartment/Apartment.cpp b/src/Apartment/Apartment.cpp deleted file mode 100644 index 0fd8bfd..0000000 --- a/src/Apartment/Apartment.cpp +++ /dev/null @@ -1,45 +0,0 @@ -#include "Apartment.h" -#include - -Apartment::Apartment() { - rooms = 0; - - std::cout << "Apartment created\n"; -} - -Apartment::Apartment(double price, - std::string address, - int rooms) - : Property(price, address) { - - this->rooms = rooms; - - std::cout << "Apartment created\n"; -} - -void Apartment::addResident(Human* resident) { - residents.push_back(resident); -} - -void Apartment::show() const { - - std::cout - << "\nApartment\n" - << "Address: " << address << std::endl - << "Price: " << price << std::endl - << "Rooms: " << rooms << std::endl; - - std::cout << "Residents:\n"; - - for (int i = 0; i < residents.size(); i++) { - residents[i]->showInfo(); - } -} - -Apartment::~Apartment() { - std::cout << "Apartment deleted\n"; -} - -std::unique_ptr Apartment::clone() const { - return std::make_unique(*this); -} diff --git a/src/Apartment/Apartment.h b/src/Apartment/Apartment.h deleted file mode 100644 index 079dc43..0000000 --- a/src/Apartment/Apartment.h +++ /dev/null @@ -1,26 +0,0 @@ -#ifndef APARTMENT_H -#define APARTMENT_H - -#include "../Property/Property.h" -#include "../Human/Human.h" -#include - -class Apartment : public Property { -private: - int rooms; - std::vector residents; - -public: - Apartment(); - Apartment(double price, - std::string address, - int rooms); - - void addResident(Human* resident); - - void show() const override; - - ~Apartment(); -}; - -#endif \ No newline at end of file diff --git a/src/Car.cpp b/src/Car.cpp new file mode 100644 index 0000000..46a0c10 --- /dev/null +++ b/src/Car.cpp @@ -0,0 +1,90 @@ +#include "Car.h" +#include "TaxRates.h" + +Car::Car(double worth, + double horsepower) + : Property(worth) +{ + this->horsepower = horsepower; +} + +double Car::calculateTax() +{ + if (horsepower < + TAX_RATES::LOW_HORSEPOWER) + { + return worth * + TAX_RATES::CAR_TAX; + } + + if (horsepower <= + TAX_RATES::HIGH_HORSEPOWER) + { + return worth * + TAX_RATES::CAR_TRUCK_TAX; + } + + return worth * + TAX_RATES::CAR_LUXURY_TAX; +} + +void Car::fromJson(json j) +{ + worth = j["worth"]; + + horsepower = + j["horsepower"]; +} + +json Car::toJson() +{ + json j; + + j["worth"] = worth; + + j["horsepower"] = + horsepower; + + j["tax"] = + calculateTax(); + + return j; +} + +void Car::fromXml( + XMLElement* element) +{ + element->QueryDoubleAttribute( + "worth", + &worth + ); + + element->QueryDoubleAttribute( + "horsepower", + &horsepower + ); +} + +XMLElement* Car::toXml( + XMLDocument& doc) +{ + XMLElement* element = + doc.NewElement("Car"); + + element->SetAttribute( + "worth", + worth + ); + + element->SetAttribute( + "horsepower", + horsepower + ); + + element->SetAttribute( + "tax", + calculateTax() + ); + + return element; +} \ No newline at end of file diff --git a/src/Car.h b/src/Car.h new file mode 100644 index 0000000..82c46ae --- /dev/null +++ b/src/Car.h @@ -0,0 +1,24 @@ +#pragma once + +#include "Property.h" +#include "Ijsonio.h" + +class Car : public Property +{ +private: + double horsepower; + +public: + Car(double worth, + double horsepower); + + double calculateTax() override; + + void fromJson(json j) override; + + json toJson() override; + + void fromXml(XMLElement* element) override; + + XMLElement* toXml(XMLDocument& doc) override; +}; \ No newline at end of file diff --git a/src/Car/Car.cpp b/src/Car/Car.cpp deleted file mode 100644 index b3f0429..0000000 --- a/src/Car/Car.cpp +++ /dev/null @@ -1,38 +0,0 @@ -#include "Car.h" -#include - -Car::Car() { - brand = "Unknown"; - horsepower = 0; - - std::cout << "Car created\n"; -} - -Car::Car(double price, - std::string address, - std::string brand, - int horsepower) - : Property(price, address) { - - this->brand = brand; - this->horsepower = horsepower; - - std::cout << "Car created\n"; -} - -void Car::show() const { - - std::cout - << "\nCar\n" - << "Brand: " << brand << std::endl - << "Horsepower: " << horsepower << std::endl - << "Price: " << price << std::endl; -} - -Car::~Car() { - std::cout << "Car deleted\n"; -} - -std::unique_ptr Car::clone() const { - return std::make_unique(*this); -} \ No newline at end of file diff --git a/src/Car/Car.h b/src/Car/Car.h deleted file mode 100644 index 0ef468a..0000000 --- a/src/Car/Car.h +++ /dev/null @@ -1,24 +0,0 @@ -#ifndef CAR_H -#define CAR_H - -#include "../Property/Property.h" - -class Car : public Property { -private: - std::string brand; - int horsepower; - -public: - Car(); - - Car(double price, - std::string address, - std::string brand, - int horsepower); - - void show() const override; - - ~Car(); -}; - -#endif \ No newline at end of file diff --git a/src/City/City.cpp b/src/City/City.cpp deleted file mode 100644 index f3d3dfd..0000000 --- a/src/City/City.cpp +++ /dev/null @@ -1,49 +0,0 @@ -#include "City.h" -#include - -City::City() { - std::cout << "City created\n"; -} - -City::City(const City& other) { - std::cout << "City COPY\n"; - - for (const auto& p : other.properties) { - properties.push_back(p->clone()); - } -} - -City& City::operator=(const City& other) { - - std::cout << "City ASSIGN\n"; - - if (this == &other) - return *this; - - properties.clear(); - - for (const auto& p : other.properties) { - properties.push_back(p->clone()); - } - - return *this; -} -void City::addProperty(const Property& property) { - properties.push_back(property.clone()); -} - -void City::showAll() const { - - std::cout << "\nCITY PROPERTY LIST\n"; - - for (const auto& p : properties) { - p->show(); - } -} - -City::~City() { - std::cout << "City destroyed\n"; -} - - - diff --git a/src/City/City.h b/src/City/City.h deleted file mode 100644 index 748dbae..0000000 --- a/src/City/City.h +++ /dev/null @@ -1,25 +0,0 @@ -#ifndef CITY_H -#define CITY_H - -#include -#include -#include "../Property/Property.h" - -class City { -private: - std::vector> properties; - -public: - City(); - - void addProperty(const Property& property); - - void showAll() const; - - City(const City& other); - City& operator=(const City& other); - - ~City(); -}; - -#endif \ No newline at end of file diff --git a/src/CountryHouse.cpp b/src/CountryHouse.cpp new file mode 100644 index 0000000..a055e1b --- /dev/null +++ b/src/CountryHouse.cpp @@ -0,0 +1,74 @@ +#include "CountryHouse.h" +#include "TaxRates.h" + +CountryHouse::CountryHouse(double worth, + double distanceFromCity) + : Property(worth) +{ + this->distanceFromCity = distanceFromCity; +} + +double CountryHouse::calculateTax() +{ + return worth * TAX_RATES::COUNTRY_HOUSE_TAX; +} + +void CountryHouse::fromJson(json j) +{ + worth = j["worth"]; + + distanceFromCity = + j["distanceFromCity"]; +} + +json CountryHouse::toJson() +{ + json j; + + j["worth"] = worth; + + j["distanceFromCity"] = + distanceFromCity; + + j["tax"] = calculateTax(); + + return j; +} + +void CountryHouse::fromXml( + XMLElement* element) +{ + element->QueryDoubleAttribute( + "worth", + &worth + ); + + element->QueryDoubleAttribute( + "distanceFromCity", + &distanceFromCity + ); +} + +XMLElement* CountryHouse::toXml( + XMLDocument& doc) +{ + XMLElement* element = + doc.NewElement("CountryHouse"); + + element->SetAttribute( + "worth", + worth + ); + + element->SetAttribute( + "distanceFromCity", + distanceFromCity + ); + + element->SetAttribute( + "tax", + calculateTax() + ); + + return element; +} \ No newline at end of file diff --git a/src/CountryHouse.h b/src/CountryHouse.h new file mode 100644 index 0000000..2f4fe22 --- /dev/null +++ b/src/CountryHouse.h @@ -0,0 +1,23 @@ +#pragma once + +#include "Property.h" +#include "Ijsonio.h" + +class CountryHouse : public Property +{ +private: + double distanceFromCity; + +public: + CountryHouse(double worth, double distanceFromCity); + + void fromJson(json j) override; + + json toJson() override; + + double calculateTax() override; + + void fromXml(XMLElement* element) override; + + XMLElement* toXml(XMLDocument& doc) override; +}; \ No newline at end of file diff --git a/src/CountryHouse/CountryHouse.cpp b/src/CountryHouse/CountryHouse.cpp deleted file mode 100644 index e851817..0000000 --- a/src/CountryHouse/CountryHouse.cpp +++ /dev/null @@ -1,39 +0,0 @@ -#include "CountryHouse.h" -#include - -CountryHouse::CountryHouse() { - floors = 0; - landArea = 0; - - std::cout << "CountryHouse created\n"; -} - -CountryHouse::CountryHouse(double price, - std::string address, - int floors, - double landArea) - : Property(price, address) { - - this->floors = floors; - this->landArea = landArea; - - std::cout << "CountryHouse created\n"; -} - -void CountryHouse::show() const { - - std::cout - << "\nCountry House\n" - << "Address: " << address << std::endl - << "Floors: " << floors << std::endl - << "Land area: " << landArea << std::endl - << "Price: " << price << std::endl; -} - -CountryHouse::~CountryHouse() { - std::cout << "CountryHouse deleted\n"; -} - -std::unique_ptr CountryHouse::clone() const { - return std::make_unique(*this); -} \ No newline at end of file diff --git a/src/CountryHouse/CountryHouse.h b/src/CountryHouse/CountryHouse.h deleted file mode 100644 index fa6ac55..0000000 --- a/src/CountryHouse/CountryHouse.h +++ /dev/null @@ -1,24 +0,0 @@ -#ifndef COUNTRYHOUSE_H -#define COUNTRYHOUSE_H - -#include "../Property/Property.h" - -class CountryHouse : public Property { -private: - int floors; - double landArea; - -public: - CountryHouse(); - - CountryHouse(double price, - std::string address, - int floors, - double landArea); - - void show() const override; - - ~CountryHouse(); -}; - -#endif \ No newline at end of file diff --git a/src/FileType.h b/src/FileType.h new file mode 100644 index 0000000..34251ca --- /dev/null +++ b/src/FileType.h @@ -0,0 +1,8 @@ +#pragma once + +enum class FileType +{ + JSON, + XML, + ANOTHER +}; \ No newline at end of file diff --git a/src/FileTypeFactory.cpp b/src/FileTypeFactory.cpp new file mode 100644 index 0000000..af11142 --- /dev/null +++ b/src/FileTypeFactory.cpp @@ -0,0 +1,21 @@ +#include "FileTypeFactory.h" + +FileType FileTypeFactory::getFileType( + std::string filename) +{ + if (filename.size() >= 5 && + filename.substr( + filename.size() - 5 + ) == ".json") + { + return FileType::JSON; + } + if (filename.size() >= 4 && + filename.substr( + filename.size() - 4 + ) == ".xml") + { + return FileType::XML; + } + return FileType::ANOTHER; +} diff --git a/src/FileTypeFactory.h b/src/FileTypeFactory.h new file mode 100644 index 0000000..4a136ef --- /dev/null +++ b/src/FileTypeFactory.h @@ -0,0 +1,13 @@ +#pragma once + +#include + +#include "FileType.h" + +class FileTypeFactory +{ +public: + static FileType getFileType( + std::string filename + ); +}; \ No newline at end of file diff --git a/src/Human/Human.cpp b/src/Human/Human.cpp deleted file mode 100644 index 8897a51..0000000 --- a/src/Human/Human.cpp +++ /dev/null @@ -1,45 +0,0 @@ -#include "Human.h" -#include - -Human::Human() { - name = "Unknown"; - surname = "Unknown"; - age = 0; - - std::cout << "Human created\n"; -} - -Human::Human(std::string name, std::string surname, int age) { - this->name = name; - this->surname = surname; - this->age = age; - - std::cout << "Human created: " - << name << " " - << surname << std::endl; -} - -std::string Human::getName() const { - return name; -} - -std::string Human::getSurname() const { - return surname; -} - -int Human::getAge() const { - return age; -} - -void Human::showInfo() const { - std::cout - << name << " " - << surname << ", age: " - << age << std::endl; -} - -Human::~Human() { - std::cout << "Human deleted: " - << name << " " - << surname << std::endl; -} \ No newline at end of file diff --git a/src/Human/Human.h b/src/Human/Human.h deleted file mode 100644 index 0456bc4..0000000 --- a/src/Human/Human.h +++ /dev/null @@ -1,25 +0,0 @@ -#ifndef HUMAN_H -#define HUMAN_H - -#include - -class Human { -private: - std::string name; - std::string surname; - int age; - -public: - Human(); - Human(std::string name, std::string surname, int age); - - std::string getName() const; - std::string getSurname() const; - int getAge() const; - - void showInfo() const; - - ~Human(); -}; - -#endif \ No newline at end of file diff --git a/src/Ijsonio.cpp b/src/Ijsonio.cpp new file mode 100644 index 0000000..409e301 --- /dev/null +++ b/src/Ijsonio.cpp @@ -0,0 +1,5 @@ +// +// Created by Михаил on 22.05.2026. +// + +#include "Ijsonio.h" diff --git a/src/Ijsonio.h b/src/Ijsonio.h new file mode 100644 index 0000000..d093b6f --- /dev/null +++ b/src/Ijsonio.h @@ -0,0 +1,15 @@ +#pragma once + +#include "nlohmann/json.hpp" + +using json = nlohmann::json; + +class Ijsonio +{ +public: + virtual void fromJson(json j) = 0; + + virtual json toJson() = 0; + + virtual ~Ijsonio() {} +}; \ No newline at end of file diff --git a/src/Ixmlio.cpp b/src/Ixmlio.cpp new file mode 100644 index 0000000..18ac082 --- /dev/null +++ b/src/Ixmlio.cpp @@ -0,0 +1,5 @@ +// +// Created by Михаил on 22.05.2026. +// + +#include "Ixmlio.h" diff --git a/src/Ixmlio.h b/src/Ixmlio.h new file mode 100644 index 0000000..b2f1ec5 --- /dev/null +++ b/src/Ixmlio.h @@ -0,0 +1,19 @@ +#pragma once + +#include "tinyxml2.h" + +using namespace tinyxml2; + +class Ixmlio +{ +public: + virtual void fromXml( + XMLElement* element + ) = 0; + + virtual XMLElement* toXml( + XMLDocument& doc + ) = 0; + + virtual ~Ixmlio() {} +}; \ No newline at end of file diff --git a/src/Owner.cpp b/src/Owner.cpp new file mode 100644 index 0000000..8b27684 --- /dev/null +++ b/src/Owner.cpp @@ -0,0 +1,239 @@ +#include "Owner.h" + +#include + +#include + +bool isValidINN(const std::string& inn) +{ + if (inn.size() != 12) + return false; + + for (char c : inn) + { + if (!std::isdigit(c)) + return false; + } + + return true; +} + +Owner::Owner(std::string fullname, + std::string inn) +{ + this->fullname = fullname; + this->inn = inn; +} + +Owner::~Owner() +{ + for (Property* property : properties) + { + delete property; + } +} + +void Owner::addProperty(Property* property) +{ + properties.push_back(property); +} + +void Owner::removeProperty(int index) +{ + if (index < 0 || index >= properties.size()) + { + std::cout << "Invalid index" << std::endl; + return; + } + + delete properties[index]; + + properties.erase(properties.begin() + index); +} + +double Owner::calculateTotalTax() +{ + double total = 0; + + for (Property* property : properties) + { + total += property->calculateTax(); + } + + return total; +} + +void Owner::showProperties() +{ + std::cout << "Owner: " + << fullname + << std::endl; + + std::cout << "INN: " + << inn + << std::endl; + + std::cout << std::endl; + + for (int i = 0; i < properties.size(); i++) + { + std::cout << i + 1 + << ". Tax: " + << properties[i]->calculateTax() + << std::endl; + } + + std::cout << std::endl; + + std::cout << "Total tax: " + << calculateTotalTax() + << std::endl; +} + +std::string Owner::getFullname() const +{ + return fullname; +} + +int Owner::getPropertiesCount() const +{ + return properties.size(); +} + +void Owner::fromJson(json j) +{ + fullname = j["fullname"]; + + inn = j["inn"]; + + json propertiesJson = + j["properties"]; + + for (auto elem : propertiesJson) + { + std::string key = + elem.items().begin().key(); + + Property* property = + PropertySimpleFactory:: + getProperty(key); + + property->fromJson(elem[key]); + + properties.push_back(property); + } +} + +json Owner::toJson() +{ + json j; + + j["fullname"] = fullname; + + j["inn"] = inn; + + j["totalTax"] = + calculateTotalTax(); + + json propertiesJson = + json::array(); + + for (Property* property : properties) + { + Apartment* apartment = + dynamic_cast(property); + + if (apartment) + { + propertiesJson.push_back( + { + { + "Apartment", + apartment->toJson() + } + }); + + continue; + } + + Car* car = + dynamic_cast(property); + + if (car) + { + propertiesJson.push_back( + { + { + "Car", + car->toJson() + } + }); + + } + + CountryHouse* house = + dynamic_cast(property); + + if (house) + { + propertiesJson.push_back( + { + { + "CountryHouse", + house->toJson() + } + }); + } + } + + j["properties"] = propertiesJson; + + return j; +} + +void Owner::fromXml( + XMLElement* element) +{ + fullname = + element->Attribute("fullname"); + + inn = + element->Attribute("inn"); + XMLElement* child = + element->FirstChildElement(); + while (child) + { + std::string key = + child->Name(); + Property* property = + PropertySimpleFactory:: + getProperty(key); + property->fromXml(child); + + properties.push_back(property); + child = + child->NextSiblingElement(); + } +} +XMLElement* Owner::toXml( + XMLDocument& doc) +{ + XMLElement* ownerElement = + doc.NewElement("Owner"); + ownerElement->SetAttribute( + "fullname", + fullname.c_str() + ); + + ownerElement->SetAttribute( + "inn", + inn.c_str() + ); + for (Property* property : properties) + { + ownerElement->InsertEndChild( + property->toXml(doc) + ); + } + return ownerElement; +} \ No newline at end of file diff --git a/src/Owner.h b/src/Owner.h new file mode 100644 index 0000000..3fe8ca6 --- /dev/null +++ b/src/Owner.h @@ -0,0 +1,52 @@ +#pragma once + +#include +#include + +#include "Property.h" +#include "Apartment.h" +#include "Car.h" +#include "CountryHouse.h" +#include "Ixmlio.h" + +#include "PropertySimpleFactory.h" + +class Owner : public Ijsonio, public Ixmlio{ +private: + std::string fullname; + + std::string inn; + + std::vector properties; + +public: + Owner(std::string fullname, + std::string inn); + + ~Owner(); + + void addProperty(Property* property); + + void removeProperty(int index); + + double calculateTotalTax(); + + void showProperties(); + + void fromJson(json j) override; + + json toJson() override; + + std::string getFullname() const; + + int getPropertiesCount() const; + + void fromXml(XMLElement* element) override; + + XMLElement* toXml(XMLDocument& doc) override; + + const std::vector& getProperties() const; + +}; + +bool isValidINN(const std::string& inn); diff --git a/src/Owner/Owner.cpp b/src/Owner/Owner.cpp deleted file mode 100644 index 99ab730..0000000 --- a/src/Owner/Owner.cpp +++ /dev/null @@ -1,31 +0,0 @@ -#include "Owner.h" -#include - -Owner::Owner() : Human() { - std::cout << "Owner created\n"; -} - -Owner::Owner(std::string name, - std::string surname, - int age) - : Human(name, surname, age) { - - std::cout << "Owner created\n"; -} - -void Owner::addProperty(Property* property) { - properties.push_back(property); -} - -void Owner::showProperties() const { - - std::cout << "\nOWNER PROPERTY LIST\n"; - - for (int i = 0; i < properties.size(); i++) { - properties[i]->show(); - } -} - -Owner::~Owner() { - std::cout << "Owner deleted\n"; -} \ No newline at end of file diff --git a/src/Owner/Owner.h b/src/Owner/Owner.h deleted file mode 100644 index 804d098..0000000 --- a/src/Owner/Owner.h +++ /dev/null @@ -1,26 +0,0 @@ -#ifndef OWNER_H -#define OWNER_H - -#include "../Human/Human.h" -#include "../Property/Property.h" -#include - -class Owner : public Human { -private: - std::vector properties; - -public: - Owner(); - - Owner(std::string name, - std::string surname, - int age); - - void addProperty(Property* property); - - void showProperties() const; - - ~Owner(); -}; - -#endif \ No newline at end of file diff --git a/src/Property.cpp b/src/Property.cpp new file mode 100644 index 0000000..e3b592d --- /dev/null +++ b/src/Property.cpp @@ -0,0 +1,14 @@ +#include "Property.h" + +Property::Property(double worth) +{ + this->worth = worth; +} + +Property::~Property() +{ } + +double Property::calculateIncomeTax() const +{ + return worth * 0.13; +} \ No newline at end of file diff --git a/src/Property.h b/src/Property.h new file mode 100644 index 0000000..5332ca9 --- /dev/null +++ b/src/Property.h @@ -0,0 +1,21 @@ +#pragma once + +#include "Ijsonio.h" +#include "Ixmlio.h" + +class Property : + public Ijsonio, + public Ixmlio +{ +protected: + double worth; + +public: + Property(double worth); + + virtual ~Property(); + + virtual double calculateTax() = 0; + + double calculateIncomeTax() const; +}; \ No newline at end of file diff --git a/src/Property/Property.cpp b/src/Property/Property.cpp deleted file mode 100644 index ada9c07..0000000 --- a/src/Property/Property.cpp +++ /dev/null @@ -1,16 +0,0 @@ -#include "Property.h" -#include - -Property::Property() { - price = 0; - address = "Unknown"; -} - -Property::Property(double price, std::string address) { - this->price = price; - this->address = address; -} - -Property::~Property() { - std::cout << "Property deleted\n"; -} \ No newline at end of file diff --git a/src/Property/Property.h b/src/Property/Property.h deleted file mode 100644 index ea9e525..0000000 --- a/src/Property/Property.h +++ /dev/null @@ -1,23 +0,0 @@ -#ifndef PROPERTY_H -#define PROPERTY_H - -#include -#include - -class Property { -protected: - double price; - std::string address; - -public: - Property(); - Property(double price, std::string address); - - virtual void show() const = 0; - - virtual std::unique_ptr clone() const = 0; - - virtual ~Property(); -}; - -#endif \ No newline at end of file diff --git a/src/PropertyFactory/PropertyFactory.cpp b/src/PropertyFactory/PropertyFactory.cpp deleted file mode 100644 index 228ab74..0000000 --- a/src/PropertyFactory/PropertyFactory.cpp +++ /dev/null @@ -1,21 +0,0 @@ -#include "PropertyFactory.h" -#include "../Apartment/Apartment.h" -#include "../Car/Car.h" -#include "../CountryHouse/CountryHouse.h" - -std::unique_ptr PropertyFactory::create(Type type) { - - switch (type) { - - case APARTMENT: - return std::make_unique(120000, "Moscow", 3); - - case CAR: - return std::make_unique(30000, "Garage", "BMW", 250); - - case COUNTRY_HOUSE: - return std::make_unique(500000, "Village", 2, 15.5); - } - - return nullptr; -} \ No newline at end of file diff --git a/src/PropertyFactory/PropertyFactory.h b/src/PropertyFactory/PropertyFactory.h deleted file mode 100644 index d99c408..0000000 --- a/src/PropertyFactory/PropertyFactory.h +++ /dev/null @@ -1,18 +0,0 @@ -#ifndef PROPERTYFACTORY_H -#define PROPERTYFACTORY_H - -#include -#include "../Property/Property.h" - -class PropertyFactory { -public: - enum Type { - APARTMENT, - CAR, - COUNTRY_HOUSE - }; - - static std::unique_ptr create(Type type); -}; - -#endif \ No newline at end of file diff --git a/src/PropertySimpleFactory.cpp b/src/PropertySimpleFactory.cpp new file mode 100644 index 0000000..4b6975e --- /dev/null +++ b/src/PropertySimpleFactory.cpp @@ -0,0 +1,26 @@ +#include "PropertySimpleFactory.h" + +#include "Apartment.h" +#include "Car.h" +#include "CountryHouse.h" + +Property* PropertySimpleFactory:: +getProperty(std::string key) +{ + if (key == "Apartment") + { + return new Apartment(0, 0); + } + + if (key == "Car") + { + return new Car(0, 0); + } + + if (key == "CountryHouse") + { + return new CountryHouse(0, 0); + } + + return nullptr; +} \ No newline at end of file diff --git a/src/PropertySimpleFactory.h b/src/PropertySimpleFactory.h new file mode 100644 index 0000000..64edd46 --- /dev/null +++ b/src/PropertySimpleFactory.h @@ -0,0 +1,13 @@ +#pragma once + +#include + +#include "Property.h" + +class PropertySimpleFactory +{ +public: + static Property* getProperty( + std::string key + ); +}; \ No newline at end of file diff --git a/src/TaxRates.h b/src/TaxRates.h new file mode 100644 index 0000000..e98d25d --- /dev/null +++ b/src/TaxRates.h @@ -0,0 +1,20 @@ +#pragma once + +namespace TAX_RATES +{ + const double CAR_TAX = 0.0007; + const double CAR_TRUCK_TAX = 0.007; + const double CAR_LUXURY_TAX = 0.027; + + const double APARTMENT_TAX = 0.001; + const double APARTMENT_LUXURY_TAX = 0.004; + + const double COUNTRY_HOUSE_TAX = 0.01; + + const double LOW_HORSEPOWER = 100; + const double HIGH_HORSEPOWER = 200; + + const unsigned int LIMIT_DISTANCE_FROM_CITY = 30; + + const int LIMIT_APARTMENT_SQUARE = 100; +} \ No newline at end of file diff --git a/src/TaxRates/TaxRates.h b/src/TaxRates/TaxRates.h deleted file mode 100644 index 2938198..0000000 --- a/src/TaxRates/TaxRates.h +++ /dev/null @@ -1,43 +0,0 @@ -#ifndef TAXRATES_H -#define TAXRATES_H - -namespace TAX_RATES { - - // ========================== - // НАЛОГИ ДЛЯ АВТОМОБИЛЕЙ - // ========================== - - const double CAR_TAX = 0.0007; - - const double CAR_TRUCK_TAX = 0.007; - - const double CAR_LUXURY_TAX = 0.027; - - // ========================== - // НАЛОГИ ДЛЯ КВАРТИР - // ========================== - - const double APARTMENT_TAX = 0.001; - - const double APARTMENT_LUXURY_TAX = 0.004; - - // ========================== - // НАЛОГ ДЛЯ ДОМА - // ========================== - - const double COUNTRY_HOUSE_TAX = 0.01; - - // ========================== - // ГРАНИЦЫ - // ========================== - - const double LOW_HORSEPOWER = 100; - - const double HIGH_HORSEPOWER = 200; - - const unsigned int LIMIT_DISTANCE_FROM_CITY = 30; - - const int LIMIT_APARTMENT_SQUARE = 100; -} - -#endif \ No newline at end of file diff --git a/src/TaxService.cpp b/src/TaxService.cpp new file mode 100644 index 0000000..f6270ef --- /dev/null +++ b/src/TaxService.cpp @@ -0,0 +1,413 @@ +#include "TaxService.h" +#include "FileTypeFactory.h" + +#include +#include + +TaxService::~TaxService() +{ + for (Owner* owner : owners) + { + delete owner; + } +} +void TaxService::loadFromJson( + std::string filename) +{ + std::ifstream in(filename); + + if (!in.is_open()) + { + throw std::runtime_error( + "Cannot open input file" + ); + } + json j; + + in >> j; + + in.close(); + for (auto elem : j) + { + Owner* owner = + new Owner("", ""); + + owner->fromJson(elem); + + owners.push_back(owner); + } +} +void TaxService::saveToJson( + std::string filename) +{ + json result = + json::array(); + for (Owner* owner : owners) + { + result.push_back( + owner->toJson() + ); + } + std::ofstream out(filename); + + if (!out.is_open()) + { + throw std::runtime_error( + "Cannot open output file" + ); + } + + out << result.dump(4); + + out.close(); +} +void TaxService::showOwners() +{ + for (Owner* owner : owners) + { + owner->showProperties(); + + std::cout << std::endl; + } +} + +void TaxService::load( + std::string filename) +{ + FileType type = + FileTypeFactory:: + getFileType(filename); + switch (type) + { + case FileType::JSON: + { + loadFromJson(filename); + break; + } + + case FileType::XML: + { + loadFromXml(filename); + break; + } + + default: + { + throw std::runtime_error( + "Unknown file type" + ); + } + } +} +void TaxService::save( + std::string filename) +{ + FileType type = + FileTypeFactory:: + getFileType(filename); + + switch (type) + { + case FileType::JSON: + { + saveToJson(filename); + break; + } + + case FileType::XML: + { + saveToXml(filename); + break; + } + + default: + { + throw std::runtime_error( + "Unknown file type" + ); + } + } +} + +void TaxService::loadFromXml( + std::string filename) +{ + XMLDocument doc; + if (doc.LoadFile( + filename.c_str()) + != XML_SUCCESS) + { + throw std::runtime_error( + "Cannot load XML" + ); + } + XMLElement* root = + doc.FirstChildElement( + "Owners" + ); + XMLElement* elem = + root->FirstChildElement( + "Owner" + ); + while (elem) + { + Owner* owner = + new Owner("", ""); + + owner->fromXml(elem); + + owners.push_back(owner); + + elem = + elem->NextSiblingElement( + "Owner" + ); + } +} +void TaxService::saveToXml( + std::string filename) +{ + XMLDocument doc; + XMLElement* root = + doc.NewElement("Owners"); + + doc.InsertFirstChild(root); + for (Owner* owner : owners) + { + root->InsertEndChild( + owner->toXml(doc) + ); + } + doc.SaveFile( + filename.c_str() + ); +} + +void TaxService::addOwner() +{ + std::string fullname; + std::string inn; + + std::cin.ignore(); + + std::cout << "Fullname: "; + std::getline(std::cin, fullname); + + std::cout << "INN (12 digits): "; + std::getline(std::cin, inn); + + if (!isValidINN(inn)) + { + std::clog << "ERROR: Invalid INN\n"; + return; + } + + Owner* owner = new Owner(fullname, inn); + owners.push_back(owner); + + std::cout << "Owner added!\n"; +} +void TaxService::removeOwner() +{ + showOwners(); + int index; + + std::cout + << "Owner index: "; + + std::cin + >> index; + if (index < 0 || + index >= owners.size()) + { + std::cout + << "Invalid index\n"; + + return; + } + delete owners[index]; + + owners.erase( + owners.begin() + index + ); + + std::cout + << "Owner removed!\n"; +} + +void TaxService::addProperty() { + showOwners(); + int ownerIndex; + + std::cout + << "Choose owner: "; + + std::cin + >> ownerIndex; + if (ownerIndex < 0 || + ownerIndex >= owners.size()) { + std::cout + << "Invalid index\n"; + + return; + } + int type; + + std::cout + << "\n1. Apartment\n"; + + std::cout + << "2. Car\n"; + + std::cout + << "3. CountryHouse\n"; + + std::cout + << "Choose type: "; + + std::cin + >> type; + + if (type == 1) { + double worth; + double square; + std::cout + << "Worth: "; + + std::cin + >> worth; + + std::cout + << "Square: "; + + std::cin + >> square; + owners[ownerIndex] + ->addProperty( + new Apartment( + worth, + square + ) + ); + } else if (type == 2) { + double worth; + double horsepower; + + std::cout + << "Worth: "; + + std::cin + >> worth; + + std::cout + << "Horsepower: "; + + std::cin + >> horsepower; + + owners[ownerIndex] + ->addProperty( + new Car( + worth, + horsepower + ) + ); + } else if (type == 3) { + double worth; + double distance; + + std::cout + << "Worth: "; + + std::cin + >> worth; + + std::cout + << "Distance: "; + + std::cin + >> distance; + + owners[ownerIndex] + ->addProperty( + new CountryHouse( + worth, + distance + ) + ); + } +} + +void TaxService::removeProperty() +{ + if (owners.empty()) + { + std::cout << "No owners available\n"; + return; + } + + showOwners(); + + int ownerIndex; + + std::cout << "Choose owner: "; + std::cin >> ownerIndex; + + if (std::cin.fail()) + { + std::cin.clear(); + std::cin.ignore( + std::numeric_limits::max(), + '\n' + ); + + std::cout << "Invalid input\n"; + return; + } + + if (ownerIndex < 0 || ownerIndex >= owners.size()) + { + std::cout << "Invalid owner index\n"; + return; + } + + Owner* owner = owners[ownerIndex]; + + if (owner->getProperties().empty()) + { + std::cout << "This owner has no properties\n"; + return; + } + + std::cout << "\nProperties:\n"; + + owner->showProperties(); + + int propertyIndex; + + std::cout << "Property index: "; + std::cin >> propertyIndex; + + if (std::cin.fail()) + { + std::cin.clear(); + std::cin.ignore( + std::numeric_limits::max(), + '\n' + ); + + std::cout << "Invalid input\n"; + return; + } + + if (propertyIndex < 0 || + propertyIndex >= owner->getProperties().size()) + { + std::cout << "Invalid property index\n"; + return; + } + + owner->removeProperty(propertyIndex); + + std::cout << "Property removed successfully\n"; +} \ No newline at end of file diff --git a/src/TaxService.h b/src/TaxService.h new file mode 100644 index 0000000..553291e --- /dev/null +++ b/src/TaxService.h @@ -0,0 +1,45 @@ +#pragma once + +#include +#include + +#include "Owner.h" + +class TaxService +{ +private: + std::vector owners; + +public: + ~TaxService(); + + void loadFromJson( + std::string filename + ); + + void saveToJson( + std::string filename + ); + + void showOwners(); + + void loadFromXml( + std::string filename + ); + + void saveToXml( + std::string filename + ); + + void load(std::string filename); + + void save(std::string filename); + + void addOwner(); + + void removeOwner(); + + void addProperty(); + + void removeProperty(); +}; \ No newline at end of file diff --git a/src/main.cpp b/src/main.cpp index 3ddd0db..3ac59f7 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -1,18 +1,171 @@ -#include "City/City.h" -#include "Apartment/Apartment.h" -#include "Car/Car.h" -#include "CountryHouse/CountryHouse.h" #include -int main() { +#include "TaxService.h" - City city; - city.addProperty(*PropertyFactory::create(PropertyFactory::CAR)); - city.addProperty(*PropertyFactory::create(PropertyFactory::APARTMENT)); - city.addProperty(*PropertyFactory::create(PropertyFactory::COUNTRY_HOUSE)); +int safeIntInput() +{ + int x; - city.showAll(); + std::cin >> x; - return 0; + while (std::cin.fail()) + { + std::cin.clear(); + std::cin.ignore( + std::numeric_limits::max(), + '\n' + ); + + std::cout << "Try again: "; + std::cin >> x; + } + + return x; +} + +void showMenu() +{ + std::cout + << "\n========================\n"; + + std::cout + << " TAX PROPERTY SERVICE\n"; + + std::cout + << "========================\n"; + + std::cout + << "1. Load file\n"; + + std::cout + << "2. Show owners\n"; + + std::cout + << "3. Add owner\n"; + + std::cout + << "4. Remove owner\n"; + + std::cout + << "5. Add property\n"; + + std::cout + << "6. Remove property\n"; + + std::cout + << "7. Save file\n"; + + std::cout + << "8. Exit\n"; + + std::cout + << "Choose: "; +} + +int main() +{ + TaxService service; + + int choice; + while (true) + { + showMenu(); + + int choice = safeIntInput(); + switch (choice) + { + case 1: + { + std::string filename; + + std::cout + << "Input file: "; + + std::cin + >> filename; + try + { + service.load(filename); + + std::cout + << "Loaded!\n"; + } + catch (std::exception& ex) + { + std::clog + << "ERROR: " + << ex.what() + << std::endl; + } + + break; + } + case 2: + { + service.showOwners(); + + break; + } + case 3: + { + service.addOwner(); + + break; + } + case 4: + { + service.removeOwner(); + + break; + } + case 5: + { + service.addProperty(); + + break; + } + case 6: + { + service.removeProperty(); + + break; + } + case 7: + { + std::string filename; + + std::cout + << "Output file: "; + + std::cin + >> filename; + try + { + service.save(filename); + + std::cout + << "Saved!\n"; + } + catch (std::exception& ex) + { + std::clog + << "ERROR: " + << ex.what() + << std::endl; + } + + break; + } + case 8: + { + return 0; + } + default: + { + std::cout + << "Invalid choice\n"; + } + } + } } \ No newline at end of file diff --git a/src/tinyxml2.cpp b/src/tinyxml2.cpp new file mode 100644 index 0000000..ff72be1 --- /dev/null +++ b/src/tinyxml2.cpp @@ -0,0 +1,3047 @@ +/* +Original code by Lee Thomason (www.grinninglizard.com) + +This software is provided 'as-is', without any express or implied +warranty. In no event will the authors be held liable for any +damages arising from the use of this software. + +Permission is granted to anyone to use this software for any +purpose, including commercial applications, and to alter it and +redistribute it freely, subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must +not claim that you wrote the original software. If you use this +software in a product, an acknowledgment in the product documentation +would be appreciated but is not required. + +2. Altered source versions must be plainly marked as such, and +must not be misrepresented as being the original software. + +3. This notice may not be removed or altered from any source +distribution. +*/ + +#include "tinyxml2.h" + +#include // yes, this one new style header, is in the Android SDK. +#if defined(ANDROID_NDK) || defined(__BORLANDC__) || defined(__QNXNTO__) || defined(__CC_ARM) +# include +# include +#else +# include +# include +#endif + +// Handle fallthrough attribute for different compilers +#ifndef __has_attribute +# define __has_attribute(x) 0 +#endif +#ifndef __has_cpp_attribute +# define __has_cpp_attribute(x) 0 +#endif + +#if defined(_MSC_VER) +# define TIXML_FALLTHROUGH (void(0)) +#elif (__cplusplus >= 201703L && __has_cpp_attribute(fallthrough)) +# define TIXML_FALLTHROUGH [[fallthrough]] +#elif __has_cpp_attribute(clang::fallthrough) +# define TIXML_FALLTHROUGH [[clang::fallthrough]] +#elif __has_attribute(fallthrough) +# define TIXML_FALLTHROUGH __attribute__((fallthrough)) +#else +# define TIXML_FALLTHROUGH (void(0)) +#endif + + +#if defined(_MSC_VER) && (_MSC_VER >= 1400 ) && (!defined WINCE) +// Microsoft Visual Studio, version 2005 and higher. Not WinCE. + /*int _snprintf_s( + char *buffer, + size_t sizeOfBuffer, + size_t count, + const char *format [, + argument] ... + );*/ + static inline int TIXML_SNPRINTF( char* buffer, size_t size, const char* format, ... ) + { + va_list va; + va_start( va, format ); + const int result = vsnprintf_s( buffer, size, _TRUNCATE, format, va ); + va_end( va ); + return result; + } + + static inline int TIXML_VSNPRINTF( char* buffer, size_t size, const char* format, va_list va ) + { + const int result = vsnprintf_s( buffer, size, _TRUNCATE, format, va ); + return result; + } + + #define TIXML_VSCPRINTF _vscprintf + #define TIXML_SSCANF sscanf_s +#elif defined _MSC_VER +// Microsoft Visual Studio 2003 and earlier or WinCE + #define TIXML_SNPRINTF _snprintf + #define TIXML_VSNPRINTF _vsnprintf + #define TIXML_SSCANF sscanf + #if (_MSC_VER < 1400 ) && (!defined WINCE) + // Microsoft Visual Studio 2003 and not WinCE. + #define TIXML_VSCPRINTF _vscprintf // VS2003's C runtime has this, but VC6 C runtime or WinCE SDK doesn't have. + #else + // Microsoft Visual Studio 2003 and earlier or WinCE. + static inline int TIXML_VSCPRINTF( const char* format, va_list va ) + { + int len = 512; + for (;;) { + len = len*2; + char* str = new char[len](); + const int required = _vsnprintf(str, len, format, va); + delete[] str; + if ( required != -1 ) { + TIXMLASSERT( required >= 0 ); + len = required; + break; + } + } + TIXMLASSERT( len >= 0 ); + return len; + } + #endif +#else +// GCC version 3 and higher +//#warning( "Using sn* functions." ) +#define TIXML_SNPRINTF snprintf +#define TIXML_VSNPRINTF vsnprintf +static inline int TIXML_VSCPRINTF( const char* format, va_list va ) +{ + if (!format) { + return 0; + } + int len = vsnprintf( 0, 0, format, va ); + TIXMLASSERT( len >= 0 ); + return len; +} +#define TIXML_SSCANF sscanf +#endif + +#if defined(_WIN64) +#define TIXML_FSEEK _fseeki64 + #define TIXML_FTELL _ftelli64 +#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__CYGWIN__) +#define TIXML_FSEEK fseeko +#define TIXML_FTELL ftello +#elif defined(__ANDROID__) && __ANDROID_API__ > 24 +#define TIXML_FSEEK fseeko64 + #define TIXML_FTELL ftello64 +#else + #define TIXML_FSEEK fseek + #define TIXML_FTELL ftell +#endif + + +static const char LINE_FEED = static_cast(0x0a); // all line endings are normalized to LF +static const char LF = LINE_FEED; +static const char CARRIAGE_RETURN = static_cast(0x0d); // CR gets filtered out +static const char CR = CARRIAGE_RETURN; +static const char SINGLE_QUOTE = '\''; +static const char DOUBLE_QUOTE = '\"'; + +// Bunch of unicode info at: +// http://www.unicode.org/faq/utf_bom.html +// ef bb bf (Microsoft "lead bytes") - designates UTF-8 + +static const unsigned char TIXML_UTF_LEAD_0 = 0xefU; +static const unsigned char TIXML_UTF_LEAD_1 = 0xbbU; +static const unsigned char TIXML_UTF_LEAD_2 = 0xbfU; + +namespace tinyxml2 +{ + + struct Entity { + const char* pattern; + int length; + char value; + }; + + static const int NUM_ENTITIES = 5; + static const Entity entities[NUM_ENTITIES] = { + { "quot", 4, DOUBLE_QUOTE }, + { "amp", 3, '&' }, + { "apos", 4, SINGLE_QUOTE }, + { "lt", 2, '<' }, + { "gt", 2, '>' } + }; + + + StrPair::~StrPair() + { + Reset(); + } + + + void StrPair::TransferTo( StrPair* other ) + { + if ( this == other ) { + return; + } + // This in effect implements the assignment operator by "moving" + // ownership (as in auto_ptr). + + TIXMLASSERT( other != 0 ); + TIXMLASSERT( other->_flags == 0 ); + TIXMLASSERT( other->_start == 0 ); + TIXMLASSERT( other->_end == 0 ); + + other->Reset(); + + other->_flags = _flags; + other->_start = _start; + other->_end = _end; + + _flags = 0; + _start = 0; + _end = 0; + } + + + void StrPair::Reset() + { + if ( _flags & NEEDS_DELETE ) { + delete [] _start; + } + _flags = 0; + _start = 0; + _end = 0; + } + + + void StrPair::SetStr( const char* str, int flags ) + { + TIXMLASSERT( str ); + Reset(); + size_t len = strlen( str ); + TIXMLASSERT( _start == 0 ); + _start = new char[ len+1 ]; + memcpy( _start, str, len+1 ); + _end = _start + len; + _flags = flags | NEEDS_DELETE; + } + + + char* StrPair::ParseText( char* p, const char* endTag, int strFlags, int* curLineNumPtr ) + { + TIXMLASSERT( p ); + TIXMLASSERT( endTag && *endTag ); + TIXMLASSERT(curLineNumPtr); + + char* start = p; + const char endChar = *endTag; + size_t length = strlen( endTag ); + + // Inner loop of text parsing. + while ( *p ) { + if ( *p == endChar && strncmp( p, endTag, length ) == 0 ) { + Set( start, p, strFlags ); + return p + length; + } else if (*p == '\n') { + ++(*curLineNumPtr); + } + ++p; + TIXMLASSERT( p ); + } + return 0; + } + + + char* StrPair::ParseName( char* p ) + { + if ( !p || !(*p) ) { + return 0; + } + if ( !XMLUtil::IsNameStartChar( static_cast(*p) ) ) { + return 0; + } + + char* const start = p; + ++p; + while ( *p && XMLUtil::IsNameChar( static_cast(*p) ) ) { + ++p; + } + + Set( start, p, 0 ); + return p; + } + + + void StrPair::CollapseWhitespace() + { + // Adjusting _start would cause undefined behavior on delete[] + TIXMLASSERT( ( _flags & NEEDS_DELETE ) == 0 ); + // Trim leading space. + _start = XMLUtil::SkipWhiteSpace( _start, 0 ); + + if ( *_start ) { + const char* p = _start; // the read pointer + char* q = _start; // the write pointer + + while( *p ) { + if ( XMLUtil::IsWhiteSpace( *p )) { + p = XMLUtil::SkipWhiteSpace( p, 0 ); + if ( *p == 0 ) { + break; // don't write to q; this trims the trailing space. + } + *q = ' '; + ++q; + } + *q = *p; + ++q; + ++p; + } + *q = 0; + } + } + + + const char* StrPair::GetStr() + { + TIXMLASSERT( _start ); + TIXMLASSERT( _end ); + if ( _flags & NEEDS_FLUSH ) { + *_end = 0; + _flags ^= NEEDS_FLUSH; + + if ( _flags ) { + const char* p = _start; // the read pointer + char* q = _start; // the write pointer + + while( p < _end ) { + if ( (_flags & NEEDS_NEWLINE_NORMALIZATION) && *p == CR ) { + // CR-LF pair becomes LF + // CR alone becomes LF + // LF-CR becomes LF + if ( *(p+1) == LF ) { + p += 2; + } + else { + ++p; + } + *q = LF; + ++q; + } + else if ( (_flags & NEEDS_NEWLINE_NORMALIZATION) && *p == LF ) { + if ( *(p+1) == CR ) { + p += 2; + } + else { + ++p; + } + *q = LF; + ++q; + } + else if ( (_flags & NEEDS_ENTITY_PROCESSING) && *p == '&' ) { + // Entities handled by tinyXML2: + // - special entities in the entity table [in/out] + // - numeric character reference [in] + // 中 or 中 + + if ( *(p+1) == '#' ) { + const int buflen = 10; + char buf[buflen] = { 0 }; + int len = 0; + const char* adjusted = const_cast( XMLUtil::GetCharacterRef( p, buf, &len ) ); + if ( adjusted == 0 ) { + *q = *p; + ++p; + ++q; + } + else { + TIXMLASSERT( 0 <= len && len <= buflen ); + TIXMLASSERT( q + len <= adjusted ); + p = adjusted; + memcpy( q, buf, len ); + q += len; + } + } + else { + bool entityFound = false; + for( int i = 0; i < NUM_ENTITIES; ++i ) { + const Entity& entity = entities[i]; + if ( strncmp( p + 1, entity.pattern, entity.length ) == 0 + && *( p + entity.length + 1 ) == ';' ) { + // Found an entity - convert. + *q = entity.value; + ++q; + p += entity.length + 2; + entityFound = true; + break; + } + } + if ( !entityFound ) { + // fixme: treat as error? + ++p; + ++q; + } + } + } + else { + *q = *p; + ++p; + ++q; + } + } + *q = 0; + } + // The loop below has plenty going on, and this + // is a less useful mode. Break it out. + if ( _flags & NEEDS_WHITESPACE_COLLAPSING ) { + CollapseWhitespace(); + } + _flags = (_flags & NEEDS_DELETE); + } + TIXMLASSERT( _start ); + return _start; + } + + + + +// --------- XMLUtil ----------- // + + const char* XMLUtil::writeBoolTrue = "true"; + const char* XMLUtil::writeBoolFalse = "false"; + + void XMLUtil::SetBoolSerialization(const char* writeTrue, const char* writeFalse) + { + static const char* defTrue = "true"; + static const char* defFalse = "false"; + + writeBoolTrue = (writeTrue) ? writeTrue : defTrue; + writeBoolFalse = (writeFalse) ? writeFalse : defFalse; + } + + + const char* XMLUtil::ReadBOM( const char* p, bool* bom ) + { + TIXMLASSERT( p ); + TIXMLASSERT( bom ); + *bom = false; + const unsigned char* pu = reinterpret_cast(p); + // Check for BOM: + if ( *(pu+0) == TIXML_UTF_LEAD_0 + && *(pu+1) == TIXML_UTF_LEAD_1 + && *(pu+2) == TIXML_UTF_LEAD_2 ) { + *bom = true; + p += 3; + } + TIXMLASSERT( p ); + return p; + } + + + void XMLUtil::ConvertUTF32ToUTF8( unsigned long input, char* output, int* length ) + { + const unsigned long BYTE_MASK = 0xBF; + const unsigned long BYTE_MARK = 0x80; + const unsigned long FIRST_BYTE_MARK[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC }; + + if (input < 0x80) { + *length = 1; + } + else if ( input < 0x800 ) { + *length = 2; + } + else if ( input < 0x10000 ) { + *length = 3; + } + else if ( input < 0x200000 ) { + *length = 4; + } + else { + *length = 0; // This code won't convert this correctly anyway. + return; + } + + output += *length; + + // Scary scary fall throughs are annotated with carefully designed comments + // to suppress compiler warnings such as -Wimplicit-fallthrough in gcc + switch (*length) { + case 4: + --output; + *output = static_cast((input | BYTE_MARK) & BYTE_MASK); + input >>= 6; + TIXML_FALLTHROUGH; + case 3: + --output; + *output = static_cast((input | BYTE_MARK) & BYTE_MASK); + input >>= 6; + TIXML_FALLTHROUGH; + case 2: + --output; + *output = static_cast((input | BYTE_MARK) & BYTE_MASK); + input >>= 6; + TIXML_FALLTHROUGH; + case 1: + --output; + *output = static_cast(input | FIRST_BYTE_MARK[*length]); + break; + default: + TIXMLASSERT( false ); + } + } + + + const char* XMLUtil::GetCharacterRef(const char* p, char* value, int* length) + { + // Assume an entity, and pull it out. + *length = 0; + + static const uint32_t MAX_CODE_POINT = 0x10FFFF; + + if (*(p + 1) == '#' && *(p + 2)) { + uint32_t ucs = 0; + ptrdiff_t delta = 0; + uint32_t mult = 1; + static const char SEMICOLON = ';'; + + bool hex = false; + uint32_t radix = 10; + const char* q = 0; + char terminator = '#'; + + if (*(p + 2) == 'x') { + // Hexadecimal. + hex = true; + radix = 16; + terminator = 'x'; + + q = p + 3; + } + else { + // Decimal. + q = p + 2; + } + if (!(*q)) { + return 0; + } + + q = strchr(q, SEMICOLON); + if (!q) { + return 0; + } + TIXMLASSERT(*q == SEMICOLON); + + delta = q - p; + --q; + + while (*q != terminator) { + uint32_t digit = 0; + + if (*q >= '0' && *q <= '9') { + digit = *q - '0'; + } + else if (hex && (*q >= 'a' && *q <= 'f')) { + digit = *q - 'a' + 10; + } + else if (hex && (*q >= 'A' && *q <= 'F')) { + digit = *q - 'A' + 10; + } + else { + return 0; + } + TIXMLASSERT(digit < radix); + + const unsigned int digitScaled = mult * digit; + ucs += digitScaled; + mult *= radix; + + // Security check: could a value exist that is out of range? + // Easily; limit to the MAX_CODE_POINT, which also allows for a + // bunch of leading zeroes. + if (mult > MAX_CODE_POINT) { + mult = MAX_CODE_POINT; + } + --q; + } + // Out of range: + if (ucs > MAX_CODE_POINT) { + return 0; + } + // convert the UCS to UTF-8 + ConvertUTF32ToUTF8(ucs, value, length); + if (length == 0) { + // If length is 0, there was an error. (Security? Bad input?) + // Fail safely. + return 0; + } + return p + delta + 1; + } + return p + 1; + } + + void XMLUtil::ToStr( int v, char* buffer, int bufferSize ) + { + TIXML_SNPRINTF( buffer, bufferSize, "%d", v ); + } + + + void XMLUtil::ToStr( unsigned v, char* buffer, int bufferSize ) + { + TIXML_SNPRINTF( buffer, bufferSize, "%u", v ); + } + + + void XMLUtil::ToStr( bool v, char* buffer, int bufferSize ) + { + TIXML_SNPRINTF( buffer, bufferSize, "%s", v ? writeBoolTrue : writeBoolFalse); + } + +/* + ToStr() of a number is a very tricky topic. + https://github.com/leethomason/tinyxml2/issues/106 +*/ + void XMLUtil::ToStr( float v, char* buffer, int bufferSize ) + { + TIXML_SNPRINTF( buffer, bufferSize, "%.8g", v ); + } + + + void XMLUtil::ToStr( double v, char* buffer, int bufferSize ) + { + TIXML_SNPRINTF( buffer, bufferSize, "%.17g", v ); + } + + + void XMLUtil::ToStr( int64_t v, char* buffer, int bufferSize ) + { + // horrible syntax trick to make the compiler happy about %lld + TIXML_SNPRINTF(buffer, bufferSize, "%lld", static_cast(v)); + } + + void XMLUtil::ToStr( uint64_t v, char* buffer, int bufferSize ) + { + // horrible syntax trick to make the compiler happy about %llu + TIXML_SNPRINTF(buffer, bufferSize, "%llu", static_cast(v)); + } + + bool XMLUtil::ToInt(const char* str, int* value) + { + if (IsPrefixHex(str)) { + unsigned v; + if (TIXML_SSCANF(str, "%x", &v) == 1) { + *value = static_cast(v); + return true; + } + } + else { + if (TIXML_SSCANF(str, "%d", value) == 1) { + return true; + } + } + return false; + } + + bool XMLUtil::ToUnsigned(const char* str, unsigned* value) + { + if (TIXML_SSCANF(str, IsPrefixHex(str) ? "%x" : "%u", value) == 1) { + return true; + } + return false; + } + + bool XMLUtil::ToBool( const char* str, bool* value ) + { + int ival = 0; + if ( ToInt( str, &ival )) { + *value = (ival==0) ? false : true; + return true; + } + static const char* TRUE_VALS[] = { "true", "True", "TRUE", 0 }; + static const char* FALSE_VALS[] = { "false", "False", "FALSE", 0 }; + + for (int i = 0; TRUE_VALS[i]; ++i) { + if (StringEqual(str, TRUE_VALS[i])) { + *value = true; + return true; + } + } + for (int i = 0; FALSE_VALS[i]; ++i) { + if (StringEqual(str, FALSE_VALS[i])) { + *value = false; + return true; + } + } + return false; + } + + + bool XMLUtil::ToFloat( const char* str, float* value ) + { + if ( TIXML_SSCANF( str, "%f", value ) == 1 ) { + return true; + } + return false; + } + + + bool XMLUtil::ToDouble( const char* str, double* value ) + { + if ( TIXML_SSCANF( str, "%lf", value ) == 1 ) { + return true; + } + return false; + } + + + bool XMLUtil::ToInt64(const char* str, int64_t* value) + { + if (IsPrefixHex(str)) { + unsigned long long v = 0; // horrible syntax trick to make the compiler happy about %llx + if (TIXML_SSCANF(str, "%llx", &v) == 1) { + *value = static_cast(v); + return true; + } + } + else { + long long v = 0; // horrible syntax trick to make the compiler happy about %lld + if (TIXML_SSCANF(str, "%lld", &v) == 1) { + *value = static_cast(v); + return true; + } + } + return false; + } + + + bool XMLUtil::ToUnsigned64(const char* str, uint64_t* value) { + unsigned long long v = 0; // horrible syntax trick to make the compiler happy about %llu + if(TIXML_SSCANF(str, IsPrefixHex(str) ? "%llx" : "%llu", &v) == 1) { + *value = static_cast(v); + return true; + } + return false; + } + + + char* XMLDocument::Identify( char* p, XMLNode** node, bool first ) + { + TIXMLASSERT( node ); + TIXMLASSERT( p ); + char* const start = p; + int const startLine = _parseCurLineNum; + p = XMLUtil::SkipWhiteSpace( p, &_parseCurLineNum ); + if( !*p ) { + *node = 0; + TIXMLASSERT( p ); + return p; + } + + // These strings define the matching patterns: + static const char* xmlHeader = { "( _commentPool ); + returnNode->_parseLineNum = _parseCurLineNum; + p += xmlHeaderLen; + } + else if ( XMLUtil::StringEqual( p, commentHeader, commentHeaderLen ) ) { + returnNode = CreateUnlinkedNode( _commentPool ); + returnNode->_parseLineNum = _parseCurLineNum; + p += commentHeaderLen; + } + else if ( XMLUtil::StringEqual( p, cdataHeader, cdataHeaderLen ) ) { + XMLText* text = CreateUnlinkedNode( _textPool ); + returnNode = text; + returnNode->_parseLineNum = _parseCurLineNum; + p += cdataHeaderLen; + text->SetCData( true ); + } + else if ( XMLUtil::StringEqual( p, dtdHeader, dtdHeaderLen ) ) { + returnNode = CreateUnlinkedNode( _commentPool ); + returnNode->_parseLineNum = _parseCurLineNum; + p += dtdHeaderLen; + } + else if ( XMLUtil::StringEqual( p, elementHeader, elementHeaderLen ) ) { + + // Preserve whitespace pedantically before closing tag, when it's immediately after opening tag + if (WhitespaceMode() == PEDANTIC_WHITESPACE && first && p != start && *(p + elementHeaderLen) == '/') { + returnNode = CreateUnlinkedNode(_textPool); + returnNode->_parseLineNum = startLine; + p = start; // Back it up, all the text counts. + _parseCurLineNum = startLine; + } + else { + returnNode = CreateUnlinkedNode(_elementPool); + returnNode->_parseLineNum = _parseCurLineNum; + p += elementHeaderLen; + } + } + else { + returnNode = CreateUnlinkedNode( _textPool ); + returnNode->_parseLineNum = _parseCurLineNum; // Report line of first non-whitespace character + p = start; // Back it up, all the text counts. + _parseCurLineNum = startLine; + } + + TIXMLASSERT( returnNode ); + TIXMLASSERT( p ); + *node = returnNode; + return p; + } + + + bool XMLDocument::Accept( XMLVisitor* visitor ) const + { + TIXMLASSERT( visitor ); + if ( visitor->VisitEnter( *this ) ) { + for ( const XMLNode* node=FirstChild(); node; node=node->NextSibling() ) { + if ( !node->Accept( visitor ) ) { + break; + } + } + } + return visitor->VisitExit( *this ); + } + + +// --------- XMLNode ----------- // + + XMLNode::XMLNode( XMLDocument* doc ) : + _document( doc ), + _parent( 0 ), + _value(), + _parseLineNum( 0 ), + _firstChild( 0 ), _lastChild( 0 ), + _prev( 0 ), _next( 0 ), + _userData( 0 ), + _memPool( 0 ) + { + } + + + XMLNode::~XMLNode() + { + DeleteChildren(); + if ( _parent ) { + _parent->Unlink( this ); + } + } + +// ChildElementCount was originally suggested by msteiger on the sourceforge page for TinyXML and modified by KB1SPH for TinyXML-2. + + int XMLNode::ChildElementCount(const char *value) const { + int count = 0; + + const XMLElement *e = FirstChildElement(value); + + while (e) { + e = e->NextSiblingElement(value); + count++; + } + + return count; + } + + int XMLNode::ChildElementCount() const { + int count = 0; + + const XMLElement *e = FirstChildElement(); + + while (e) { + e = e->NextSiblingElement(); + count++; + } + + return count; + } + + const char* XMLNode::Value() const + { + // Edge case: XMLDocuments don't have a Value. Return null. + if ( this->ToDocument() ) + return 0; + return _value.GetStr(); + } + + void XMLNode::SetValue( const char* str, bool staticMem ) + { + if ( staticMem ) { + _value.SetInternedStr( str ); + } + else { + _value.SetStr( str ); + } + } + + XMLNode* XMLNode::DeepClone(XMLDocument* target) const + { + XMLNode* clone = this->ShallowClone(target); + if (!clone) return 0; + + for (const XMLNode* child = this->FirstChild(); child; child = child->NextSibling()) { + XMLNode* childClone = child->DeepClone(target); + TIXMLASSERT(childClone); + clone->InsertEndChild(childClone); + } + return clone; + } + + void XMLNode::DeleteChildren() + { + while( _firstChild ) { + TIXMLASSERT( _lastChild ); + DeleteChild( _firstChild ); + } + _firstChild = _lastChild = 0; + } + + + void XMLNode::Unlink( XMLNode* child ) + { + TIXMLASSERT( child ); + TIXMLASSERT( child->_document == _document ); + TIXMLASSERT( child->_parent == this ); + if ( child == _firstChild ) { + _firstChild = _firstChild->_next; + } + if ( child == _lastChild ) { + _lastChild = _lastChild->_prev; + } + + if ( child->_prev ) { + child->_prev->_next = child->_next; + } + if ( child->_next ) { + child->_next->_prev = child->_prev; + } + child->_next = 0; + child->_prev = 0; + child->_parent = 0; + } + + + void XMLNode::DeleteChild( XMLNode* node ) + { + TIXMLASSERT( node ); + TIXMLASSERT( node->_document == _document ); + TIXMLASSERT( node->_parent == this ); + Unlink( node ); + TIXMLASSERT(node->_prev == 0); + TIXMLASSERT(node->_next == 0); + TIXMLASSERT(node->_parent == 0); + DeleteNode( node ); + } + + + XMLNode* XMLNode::InsertEndChild( XMLNode* addThis ) + { + TIXMLASSERT( addThis ); + if ( addThis->_document != _document ) { + TIXMLASSERT( false ); + return 0; + } + InsertChildPreamble( addThis ); + + if ( _lastChild ) { + TIXMLASSERT( _firstChild ); + TIXMLASSERT( _lastChild->_next == 0 ); + _lastChild->_next = addThis; + addThis->_prev = _lastChild; + _lastChild = addThis; + + addThis->_next = 0; + } + else { + TIXMLASSERT( _firstChild == 0 ); + _firstChild = _lastChild = addThis; + + addThis->_prev = 0; + addThis->_next = 0; + } + addThis->_parent = this; + return addThis; + } + + + XMLNode* XMLNode::InsertFirstChild( XMLNode* addThis ) + { + TIXMLASSERT( addThis ); + if ( addThis->_document != _document ) { + TIXMLASSERT( false ); + return 0; + } + InsertChildPreamble( addThis ); + + if ( _firstChild ) { + TIXMLASSERT( _lastChild ); + TIXMLASSERT( _firstChild->_prev == 0 ); + + _firstChild->_prev = addThis; + addThis->_next = _firstChild; + _firstChild = addThis; + + addThis->_prev = 0; + } + else { + TIXMLASSERT( _lastChild == 0 ); + _firstChild = _lastChild = addThis; + + addThis->_prev = 0; + addThis->_next = 0; + } + addThis->_parent = this; + return addThis; + } + + + XMLNode* XMLNode::InsertAfterChild( XMLNode* afterThis, XMLNode* addThis ) + { + TIXMLASSERT( addThis ); + if ( addThis->_document != _document ) { + TIXMLASSERT( false ); + return 0; + } + + TIXMLASSERT( afterThis ); + + if ( afterThis->_parent != this ) { + TIXMLASSERT( false ); + return 0; + } + if ( afterThis == addThis ) { + // Current state: BeforeThis -> AddThis -> OneAfterAddThis + // Now AddThis must disappear from it's location and then + // reappear between BeforeThis and OneAfterAddThis. + // So just leave it where it is. + return addThis; + } + + if ( afterThis->_next == 0 ) { + // The last node or the only node. + return InsertEndChild( addThis ); + } + InsertChildPreamble( addThis ); + addThis->_prev = afterThis; + addThis->_next = afterThis->_next; + afterThis->_next->_prev = addThis; + afterThis->_next = addThis; + addThis->_parent = this; + return addThis; + } + + + + + const XMLElement* XMLNode::FirstChildElement( const char* name ) const + { + for( const XMLNode* node = _firstChild; node; node = node->_next ) { + const XMLElement* element = node->ToElementWithName( name ); + if ( element ) { + return element; + } + } + return 0; + } + + + const XMLElement* XMLNode::LastChildElement( const char* name ) const + { + for( const XMLNode* node = _lastChild; node; node = node->_prev ) { + const XMLElement* element = node->ToElementWithName( name ); + if ( element ) { + return element; + } + } + return 0; + } + + + const XMLElement* XMLNode::NextSiblingElement( const char* name ) const + { + for( const XMLNode* node = _next; node; node = node->_next ) { + const XMLElement* element = node->ToElementWithName( name ); + if ( element ) { + return element; + } + } + return 0; + } + + + const XMLElement* XMLNode::PreviousSiblingElement( const char* name ) const + { + for( const XMLNode* node = _prev; node; node = node->_prev ) { + const XMLElement* element = node->ToElementWithName( name ); + if ( element ) { + return element; + } + } + return 0; + } + + + char* XMLNode::ParseDeep( char* p, StrPair* parentEndTag, int* curLineNumPtr ) + { + // This is a recursive method, but thinking about it "at the current level" + // it is a pretty simple flat list: + // + // + // + // With a special case: + // + // + // + // + // Where the closing element (/foo) *must* be the next thing after the opening + // element, and the names must match. BUT the tricky bit is that the closing + // element will be read by the child. + // + // 'endTag' is the end tag for this node, it is returned by a call to a child. + // 'parentEnd' is the end tag for the parent, which is filled in and returned. + + XMLDocument::DepthTracker tracker(_document); + if (_document->Error()) + return 0; + + bool first = true; + while( p && *p ) { + XMLNode* node = 0; + + p = _document->Identify( p, &node, first ); + TIXMLASSERT( p ); + if ( node == 0 ) { + break; + } + first = false; + + const int initialLineNum = node->_parseLineNum; + + StrPair endTag; + p = node->ParseDeep( p, &endTag, curLineNumPtr ); + if ( !p ) { + _document->DeleteNode( node ); + if ( !_document->Error() ) { + _document->SetError( XML_ERROR_PARSING, initialLineNum, 0); + } + break; + } + + const XMLDeclaration* const decl = node->ToDeclaration(); + if ( decl ) { + // Declarations are only allowed at document level + // + // Multiple declarations are allowed but all declarations + // must occur before anything else. + // + // Optimized due to a security test case. If the first node is + // a declaration, and the last node is a declaration, then only + // declarations have so far been added. + bool wellLocated = false; + + if (ToDocument()) { + if (FirstChild()) { + wellLocated = + FirstChild() && + FirstChild()->ToDeclaration() && + LastChild() && + LastChild()->ToDeclaration(); + } + else { + wellLocated = true; + } + } + if ( !wellLocated ) { + _document->SetError( XML_ERROR_PARSING_DECLARATION, initialLineNum, "XMLDeclaration value=%s", decl->Value()); + _document->DeleteNode( node ); + break; + } + } + + XMLElement* ele = node->ToElement(); + if ( ele ) { + // We read the end tag. Return it to the parent. + if ( ele->ClosingType() == XMLElement::CLOSING ) { + if ( parentEndTag ) { + ele->_value.TransferTo( parentEndTag ); + } + node->_memPool->SetTracked(); // created and then immediately deleted. + DeleteNode( node ); + return p; + } + + // Handle an end tag returned to this level. + // And handle a bunch of annoying errors. + bool mismatch = false; + if ( endTag.Empty() ) { + if ( ele->ClosingType() == XMLElement::OPEN ) { + mismatch = true; + } + } + else { + if ( ele->ClosingType() != XMLElement::OPEN ) { + mismatch = true; + } + else if ( !XMLUtil::StringEqual( endTag.GetStr(), ele->Name() ) ) { + mismatch = true; + } + } + if ( mismatch ) { + _document->SetError( XML_ERROR_MISMATCHED_ELEMENT, initialLineNum, "XMLElement name=%s", ele->Name()); + _document->DeleteNode( node ); + break; + } + } + InsertEndChild( node ); + } + return 0; + } + +/*static*/ void XMLNode::DeleteNode( XMLNode* node ) + { + if ( node == 0 ) { + return; + } + TIXMLASSERT(node->_document); + if (!node->ToDocument()) { + node->_document->MarkInUse(node); + } + + MemPool* pool = node->_memPool; + node->~XMLNode(); + pool->Free( node ); + } + + void XMLNode::InsertChildPreamble( XMLNode* insertThis ) const + { + TIXMLASSERT( insertThis ); + TIXMLASSERT( insertThis->_document == _document ); + + if (insertThis->_parent) { + insertThis->_parent->Unlink( insertThis ); + } + else { + insertThis->_document->MarkInUse(insertThis); + insertThis->_memPool->SetTracked(); + } + } + + const XMLElement* XMLNode::ToElementWithName( const char* name ) const + { + const XMLElement* element = this->ToElement(); + if ( element == 0 ) { + return 0; + } + if ( name == 0 ) { + return element; + } + if ( XMLUtil::StringEqual( element->Name(), name ) ) { + return element; + } + return 0; + } + +// --------- XMLText ---------- // + char* XMLText::ParseDeep( char* p, StrPair*, int* curLineNumPtr ) + { + if ( this->CData() ) { + p = _value.ParseText( p, "]]>", StrPair::NEEDS_NEWLINE_NORMALIZATION, curLineNumPtr ); + if ( !p ) { + _document->SetError( XML_ERROR_PARSING_CDATA, _parseLineNum, 0 ); + } + return p; + } + else { + int flags = _document->ProcessEntities() ? StrPair::TEXT_ELEMENT : StrPair::TEXT_ELEMENT_LEAVE_ENTITIES; + if ( _document->WhitespaceMode() == COLLAPSE_WHITESPACE ) { + flags |= StrPair::NEEDS_WHITESPACE_COLLAPSING; + } + + p = _value.ParseText( p, "<", flags, curLineNumPtr ); + if ( p && *p ) { + return p-1; + } + if ( !p ) { + _document->SetError( XML_ERROR_PARSING_TEXT, _parseLineNum, 0 ); + } + } + return 0; + } + + + XMLNode* XMLText::ShallowClone( XMLDocument* doc ) const + { + if ( !doc ) { + doc = _document; + } + XMLText* text = doc->NewText( Value() ); // fixme: this will always allocate memory. Intern? + text->SetCData( this->CData() ); + return text; + } + + + bool XMLText::ShallowEqual( const XMLNode* compare ) const + { + TIXMLASSERT( compare ); + const XMLText* text = compare->ToText(); + return ( text && XMLUtil::StringEqual( text->Value(), Value() ) ); + } + + + bool XMLText::Accept( XMLVisitor* visitor ) const + { + TIXMLASSERT( visitor ); + return visitor->Visit( *this ); + } + + +// --------- XMLComment ---------- // + + XMLComment::XMLComment( XMLDocument* doc ) : XMLNode( doc ) + { + } + + + XMLComment::~XMLComment() + { + } + + + char* XMLComment::ParseDeep( char* p, StrPair*, int* curLineNumPtr ) + { + // Comment parses as text. + p = _value.ParseText( p, "-->", StrPair::COMMENT, curLineNumPtr ); + if ( p == 0 ) { + _document->SetError( XML_ERROR_PARSING_COMMENT, _parseLineNum, 0 ); + } + return p; + } + + + XMLNode* XMLComment::ShallowClone( XMLDocument* doc ) const + { + if ( !doc ) { + doc = _document; + } + XMLComment* comment = doc->NewComment( Value() ); // fixme: this will always allocate memory. Intern? + return comment; + } + + + bool XMLComment::ShallowEqual( const XMLNode* compare ) const + { + TIXMLASSERT( compare ); + const XMLComment* comment = compare->ToComment(); + return ( comment && XMLUtil::StringEqual( comment->Value(), Value() )); + } + + + bool XMLComment::Accept( XMLVisitor* visitor ) const + { + TIXMLASSERT( visitor ); + return visitor->Visit( *this ); + } + + +// --------- XMLDeclaration ---------- // + + XMLDeclaration::XMLDeclaration( XMLDocument* doc ) : XMLNode( doc ) + { + } + + + XMLDeclaration::~XMLDeclaration() + { + //printf( "~XMLDeclaration\n" ); + } + + + char* XMLDeclaration::ParseDeep( char* p, StrPair*, int* curLineNumPtr ) + { + // Declaration parses as text. + p = _value.ParseText( p, "?>", StrPair::NEEDS_NEWLINE_NORMALIZATION, curLineNumPtr ); + if ( p == 0 ) { + _document->SetError( XML_ERROR_PARSING_DECLARATION, _parseLineNum, 0 ); + } + return p; + } + + + XMLNode* XMLDeclaration::ShallowClone( XMLDocument* doc ) const + { + if ( !doc ) { + doc = _document; + } + XMLDeclaration* dec = doc->NewDeclaration( Value() ); // fixme: this will always allocate memory. Intern? + return dec; + } + + + bool XMLDeclaration::ShallowEqual( const XMLNode* compare ) const + { + TIXMLASSERT( compare ); + const XMLDeclaration* declaration = compare->ToDeclaration(); + return ( declaration && XMLUtil::StringEqual( declaration->Value(), Value() )); + } + + + + bool XMLDeclaration::Accept( XMLVisitor* visitor ) const + { + TIXMLASSERT( visitor ); + return visitor->Visit( *this ); + } + +// --------- XMLUnknown ---------- // + + XMLUnknown::XMLUnknown( XMLDocument* doc ) : XMLNode( doc ) + { + } + + + XMLUnknown::~XMLUnknown() + { + } + + + char* XMLUnknown::ParseDeep( char* p, StrPair*, int* curLineNumPtr ) + { + // Unknown parses as text. + p = _value.ParseText( p, ">", StrPair::NEEDS_NEWLINE_NORMALIZATION, curLineNumPtr ); + if ( !p ) { + _document->SetError( XML_ERROR_PARSING_UNKNOWN, _parseLineNum, 0 ); + } + return p; + } + + + XMLNode* XMLUnknown::ShallowClone( XMLDocument* doc ) const + { + if ( !doc ) { + doc = _document; + } + XMLUnknown* text = doc->NewUnknown( Value() ); // fixme: this will always allocate memory. Intern? + return text; + } + + + bool XMLUnknown::ShallowEqual( const XMLNode* compare ) const + { + TIXMLASSERT( compare ); + const XMLUnknown* unknown = compare->ToUnknown(); + return ( unknown && XMLUtil::StringEqual( unknown->Value(), Value() )); + } + + + bool XMLUnknown::Accept( XMLVisitor* visitor ) const + { + TIXMLASSERT( visitor ); + return visitor->Visit( *this ); + } + +// --------- XMLAttribute ---------- // + + const char* XMLAttribute::Name() const + { + return _name.GetStr(); + } + + const char* XMLAttribute::Value() const + { + return _value.GetStr(); + } + + char* XMLAttribute::ParseDeep( char* p, bool processEntities, int* curLineNumPtr ) + { + // Parse using the name rules: bug fix, was using ParseText before + p = _name.ParseName( p ); + if ( !p || !*p ) { + return 0; + } + + // Skip white space before = + p = XMLUtil::SkipWhiteSpace( p, curLineNumPtr ); + if ( *p != '=' ) { + return 0; + } + + ++p; // move up to opening quote + p = XMLUtil::SkipWhiteSpace( p, curLineNumPtr ); + if ( *p != '\"' && *p != '\'' ) { + return 0; + } + + const char endTag[2] = { *p, 0 }; + ++p; // move past opening quote + + p = _value.ParseText( p, endTag, processEntities ? StrPair::ATTRIBUTE_VALUE : StrPair::ATTRIBUTE_VALUE_LEAVE_ENTITIES, curLineNumPtr ); + return p; + } + + + void XMLAttribute::SetName( const char* n ) + { + _name.SetStr( n ); + } + + + XMLError XMLAttribute::QueryIntValue( int* value ) const + { + if ( XMLUtil::ToInt( Value(), value )) { + return XML_SUCCESS; + } + return XML_WRONG_ATTRIBUTE_TYPE; + } + + + XMLError XMLAttribute::QueryUnsignedValue( unsigned int* value ) const + { + if ( XMLUtil::ToUnsigned( Value(), value )) { + return XML_SUCCESS; + } + return XML_WRONG_ATTRIBUTE_TYPE; + } + + + XMLError XMLAttribute::QueryInt64Value(int64_t* value) const + { + if (XMLUtil::ToInt64(Value(), value)) { + return XML_SUCCESS; + } + return XML_WRONG_ATTRIBUTE_TYPE; + } + + + XMLError XMLAttribute::QueryUnsigned64Value(uint64_t* value) const + { + if(XMLUtil::ToUnsigned64(Value(), value)) { + return XML_SUCCESS; + } + return XML_WRONG_ATTRIBUTE_TYPE; + } + + + XMLError XMLAttribute::QueryBoolValue( bool* value ) const + { + if ( XMLUtil::ToBool( Value(), value )) { + return XML_SUCCESS; + } + return XML_WRONG_ATTRIBUTE_TYPE; + } + + + XMLError XMLAttribute::QueryFloatValue( float* value ) const + { + if ( XMLUtil::ToFloat( Value(), value )) { + return XML_SUCCESS; + } + return XML_WRONG_ATTRIBUTE_TYPE; + } + + + XMLError XMLAttribute::QueryDoubleValue( double* value ) const + { + if ( XMLUtil::ToDouble( Value(), value )) { + return XML_SUCCESS; + } + return XML_WRONG_ATTRIBUTE_TYPE; + } + + + void XMLAttribute::SetAttribute( const char* v ) + { + _value.SetStr( v ); + } + + + void XMLAttribute::SetAttribute( int v ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + _value.SetStr( buf ); + } + + + void XMLAttribute::SetAttribute( unsigned v ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + _value.SetStr( buf ); + } + + + void XMLAttribute::SetAttribute(int64_t v) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr(v, buf, BUF_SIZE); + _value.SetStr(buf); + } + + void XMLAttribute::SetAttribute(uint64_t v) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr(v, buf, BUF_SIZE); + _value.SetStr(buf); + } + + + void XMLAttribute::SetAttribute( bool v ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + _value.SetStr( buf ); + } + + void XMLAttribute::SetAttribute( double v ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + _value.SetStr( buf ); + } + + void XMLAttribute::SetAttribute( float v ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + _value.SetStr( buf ); + } + + +// --------- XMLElement ---------- // + XMLElement::XMLElement( XMLDocument* doc ) : XMLNode( doc ), + _closingType( OPEN ), + _rootAttribute( 0 ) + { + } + + + XMLElement::~XMLElement() + { + while( _rootAttribute ) { + XMLAttribute* next = _rootAttribute->_next; + DeleteAttribute( _rootAttribute ); + _rootAttribute = next; + } + } + + + const XMLAttribute* XMLElement::FindAttribute( const char* name ) const + { + for( XMLAttribute* a = _rootAttribute; a; a = a->_next ) { + if ( XMLUtil::StringEqual( a->Name(), name ) ) { + return a; + } + } + return 0; + } + + + const char* XMLElement::Attribute( const char* name, const char* value ) const + { + const XMLAttribute* a = FindAttribute( name ); + if ( !a ) { + return 0; + } + if ( !value || XMLUtil::StringEqual( a->Value(), value )) { + return a->Value(); + } + return 0; + } + + int XMLElement::IntAttribute(const char* name, int defaultValue) const + { + int i = defaultValue; + QueryIntAttribute(name, &i); + return i; + } + + unsigned XMLElement::UnsignedAttribute(const char* name, unsigned defaultValue) const + { + unsigned i = defaultValue; + QueryUnsignedAttribute(name, &i); + return i; + } + + int64_t XMLElement::Int64Attribute(const char* name, int64_t defaultValue) const + { + int64_t i = defaultValue; + QueryInt64Attribute(name, &i); + return i; + } + + uint64_t XMLElement::Unsigned64Attribute(const char* name, uint64_t defaultValue) const + { + uint64_t i = defaultValue; + QueryUnsigned64Attribute(name, &i); + return i; + } + + bool XMLElement::BoolAttribute(const char* name, bool defaultValue) const + { + bool b = defaultValue; + QueryBoolAttribute(name, &b); + return b; + } + + double XMLElement::DoubleAttribute(const char* name, double defaultValue) const + { + double d = defaultValue; + QueryDoubleAttribute(name, &d); + return d; + } + + float XMLElement::FloatAttribute(const char* name, float defaultValue) const + { + float f = defaultValue; + QueryFloatAttribute(name, &f); + return f; + } + + const char* XMLElement::GetText() const + { + /* skip comment node */ + const XMLNode* node = FirstChild(); + while (node) { + if (node->ToComment()) { + node = node->NextSibling(); + continue; + } + break; + } + + if ( node && node->ToText() ) { + return node->Value(); + } + return 0; + } + + + void XMLElement::SetText( const char* inText ) + { + if ( FirstChild() && FirstChild()->ToText() ) + FirstChild()->SetValue( inText ); + else { + XMLText* theText = GetDocument()->NewText( inText ); + InsertFirstChild( theText ); + } + } + + + void XMLElement::SetText( int v ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + SetText( buf ); + } + + + void XMLElement::SetText( unsigned v ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + SetText( buf ); + } + + + void XMLElement::SetText(int64_t v) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr(v, buf, BUF_SIZE); + SetText(buf); + } + + void XMLElement::SetText(uint64_t v) { + char buf[BUF_SIZE]; + XMLUtil::ToStr(v, buf, BUF_SIZE); + SetText(buf); + } + + + void XMLElement::SetText( bool v ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + SetText( buf ); + } + + + void XMLElement::SetText( float v ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + SetText( buf ); + } + + + void XMLElement::SetText( double v ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + SetText( buf ); + } + + + XMLError XMLElement::QueryIntText( int* ival ) const + { + if ( FirstChild() && FirstChild()->ToText() ) { + const char* t = FirstChild()->Value(); + if ( XMLUtil::ToInt( t, ival ) ) { + return XML_SUCCESS; + } + return XML_CAN_NOT_CONVERT_TEXT; + } + return XML_NO_TEXT_NODE; + } + + + XMLError XMLElement::QueryUnsignedText( unsigned* uval ) const + { + if ( FirstChild() && FirstChild()->ToText() ) { + const char* t = FirstChild()->Value(); + if ( XMLUtil::ToUnsigned( t, uval ) ) { + return XML_SUCCESS; + } + return XML_CAN_NOT_CONVERT_TEXT; + } + return XML_NO_TEXT_NODE; + } + + + XMLError XMLElement::QueryInt64Text(int64_t* ival) const + { + if (FirstChild() && FirstChild()->ToText()) { + const char* t = FirstChild()->Value(); + if (XMLUtil::ToInt64(t, ival)) { + return XML_SUCCESS; + } + return XML_CAN_NOT_CONVERT_TEXT; + } + return XML_NO_TEXT_NODE; + } + + + XMLError XMLElement::QueryUnsigned64Text(uint64_t* uval) const + { + if(FirstChild() && FirstChild()->ToText()) { + const char* t = FirstChild()->Value(); + if(XMLUtil::ToUnsigned64(t, uval)) { + return XML_SUCCESS; + } + return XML_CAN_NOT_CONVERT_TEXT; + } + return XML_NO_TEXT_NODE; + } + + + XMLError XMLElement::QueryBoolText( bool* bval ) const + { + if ( FirstChild() && FirstChild()->ToText() ) { + const char* t = FirstChild()->Value(); + if ( XMLUtil::ToBool( t, bval ) ) { + return XML_SUCCESS; + } + return XML_CAN_NOT_CONVERT_TEXT; + } + return XML_NO_TEXT_NODE; + } + + + XMLError XMLElement::QueryDoubleText( double* dval ) const + { + if ( FirstChild() && FirstChild()->ToText() ) { + const char* t = FirstChild()->Value(); + if ( XMLUtil::ToDouble( t, dval ) ) { + return XML_SUCCESS; + } + return XML_CAN_NOT_CONVERT_TEXT; + } + return XML_NO_TEXT_NODE; + } + + + XMLError XMLElement::QueryFloatText( float* fval ) const + { + if ( FirstChild() && FirstChild()->ToText() ) { + const char* t = FirstChild()->Value(); + if ( XMLUtil::ToFloat( t, fval ) ) { + return XML_SUCCESS; + } + return XML_CAN_NOT_CONVERT_TEXT; + } + return XML_NO_TEXT_NODE; + } + + int XMLElement::IntText(int defaultValue) const + { + int i = defaultValue; + QueryIntText(&i); + return i; + } + + unsigned XMLElement::UnsignedText(unsigned defaultValue) const + { + unsigned i = defaultValue; + QueryUnsignedText(&i); + return i; + } + + int64_t XMLElement::Int64Text(int64_t defaultValue) const + { + int64_t i = defaultValue; + QueryInt64Text(&i); + return i; + } + + uint64_t XMLElement::Unsigned64Text(uint64_t defaultValue) const + { + uint64_t i = defaultValue; + QueryUnsigned64Text(&i); + return i; + } + + bool XMLElement::BoolText(bool defaultValue) const + { + bool b = defaultValue; + QueryBoolText(&b); + return b; + } + + double XMLElement::DoubleText(double defaultValue) const + { + double d = defaultValue; + QueryDoubleText(&d); + return d; + } + + float XMLElement::FloatText(float defaultValue) const + { + float f = defaultValue; + QueryFloatText(&f); + return f; + } + + + XMLAttribute* XMLElement::FindOrCreateAttribute( const char* name ) + { + XMLAttribute* last = 0; + XMLAttribute* attrib = 0; + for( attrib = _rootAttribute; + attrib; + last = attrib, attrib = attrib->_next ) { + if ( XMLUtil::StringEqual( attrib->Name(), name ) ) { + break; + } + } + if ( !attrib ) { + attrib = CreateAttribute(); + TIXMLASSERT( attrib ); + if ( last ) { + TIXMLASSERT( last->_next == 0 ); + last->_next = attrib; + } + else { + TIXMLASSERT( _rootAttribute == 0 ); + _rootAttribute = attrib; + } + attrib->SetName( name ); + } + return attrib; + } + + + void XMLElement::DeleteAttribute( const char* name ) + { + XMLAttribute* prev = 0; + for( XMLAttribute* a=_rootAttribute; a; a=a->_next ) { + if ( XMLUtil::StringEqual( name, a->Name() ) ) { + if ( prev ) { + prev->_next = a->_next; + } + else { + _rootAttribute = a->_next; + } + DeleteAttribute( a ); + break; + } + prev = a; + } + } + + + char* XMLElement::ParseAttributes( char* p, int* curLineNumPtr ) + { + XMLAttribute* prevAttribute = 0; + + // Read the attributes. + while( p ) { + p = XMLUtil::SkipWhiteSpace( p, curLineNumPtr ); + if ( !(*p) ) { + _document->SetError( XML_ERROR_PARSING_ELEMENT, _parseLineNum, "XMLElement name=%s", Name() ); + return 0; + } + + // attribute. + if (XMLUtil::IsNameStartChar( static_cast(*p) ) ) { + XMLAttribute* attrib = CreateAttribute(); + TIXMLASSERT( attrib ); + attrib->_parseLineNum = _document->_parseCurLineNum; + + const int attrLineNum = attrib->_parseLineNum; + + p = attrib->ParseDeep( p, _document->ProcessEntities(), curLineNumPtr ); + if ( !p || Attribute( attrib->Name() ) ) { + DeleteAttribute( attrib ); + _document->SetError( XML_ERROR_PARSING_ATTRIBUTE, attrLineNum, "XMLElement name=%s", Name() ); + return 0; + } + // There is a minor bug here: if the attribute in the source xml + // document is duplicated, it will not be detected and the + // attribute will be doubly added. However, tracking the 'prevAttribute' + // avoids re-scanning the attribute list. Preferring performance for + // now, may reconsider in the future. + if ( prevAttribute ) { + TIXMLASSERT( prevAttribute->_next == 0 ); + prevAttribute->_next = attrib; + } + else { + TIXMLASSERT( _rootAttribute == 0 ); + _rootAttribute = attrib; + } + prevAttribute = attrib; + } + // end of the tag + else if ( *p == '>' ) { + ++p; + break; + } + // end of the tag + else if ( *p == '/' && *(p+1) == '>' ) { + _closingType = CLOSED; + return p+2; // done; sealed element. + } + else { + _document->SetError( XML_ERROR_PARSING_ELEMENT, _parseLineNum, 0 ); + return 0; + } + } + return p; + } + + void XMLElement::DeleteAttribute( XMLAttribute* attribute ) + { + if ( attribute == 0 ) { + return; + } + MemPool* pool = attribute->_memPool; + attribute->~XMLAttribute(); + pool->Free( attribute ); + } + + XMLAttribute* XMLElement::CreateAttribute() + { + TIXMLASSERT( sizeof( XMLAttribute ) == _document->_attributePool.ItemSize() ); + XMLAttribute* attrib = new (_document->_attributePool.Alloc() ) XMLAttribute(); + TIXMLASSERT( attrib ); + attrib->_memPool = &_document->_attributePool; + attrib->_memPool->SetTracked(); + return attrib; + } + + + XMLElement* XMLElement::InsertNewChildElement(const char* name) + { + XMLElement* node = _document->NewElement(name); + return InsertEndChild(node) ? node : 0; + } + + XMLComment* XMLElement::InsertNewComment(const char* comment) + { + XMLComment* node = _document->NewComment(comment); + return InsertEndChild(node) ? node : 0; + } + + XMLText* XMLElement::InsertNewText(const char* text) + { + XMLText* node = _document->NewText(text); + return InsertEndChild(node) ? node : 0; + } + + XMLDeclaration* XMLElement::InsertNewDeclaration(const char* text) + { + XMLDeclaration* node = _document->NewDeclaration(text); + return InsertEndChild(node) ? node : 0; + } + + XMLUnknown* XMLElement::InsertNewUnknown(const char* text) + { + XMLUnknown* node = _document->NewUnknown(text); + return InsertEndChild(node) ? node : 0; + } + + + +// +// +// foobar +// + char* XMLElement::ParseDeep( char* p, StrPair* parentEndTag, int* curLineNumPtr ) + { + // Read the element name. + p = XMLUtil::SkipWhiteSpace( p, curLineNumPtr ); + + // The closing element is the form. It is + // parsed just like a regular element then deleted from + // the DOM. + if ( *p == '/' ) { + _closingType = CLOSING; + ++p; + } + + p = _value.ParseName( p ); + if ( _value.Empty() ) { + return 0; + } + + p = ParseAttributes( p, curLineNumPtr ); + if ( !p || !*p || _closingType != OPEN ) { + return p; + } + + p = XMLNode::ParseDeep( p, parentEndTag, curLineNumPtr ); + return p; + } + + + + XMLNode* XMLElement::ShallowClone( XMLDocument* doc ) const + { + if ( !doc ) { + doc = _document; + } + XMLElement* element = doc->NewElement( Value() ); // fixme: this will always allocate memory. Intern? + for( const XMLAttribute* a=FirstAttribute(); a; a=a->Next() ) { + element->SetAttribute( a->Name(), a->Value() ); // fixme: this will always allocate memory. Intern? + } + return element; + } + + + bool XMLElement::ShallowEqual( const XMLNode* compare ) const + { + TIXMLASSERT( compare ); + const XMLElement* other = compare->ToElement(); + if ( other && XMLUtil::StringEqual( other->Name(), Name() )) { + + const XMLAttribute* a=FirstAttribute(); + const XMLAttribute* b=other->FirstAttribute(); + + while ( a && b ) { + if ( !XMLUtil::StringEqual( a->Value(), b->Value() ) ) { + return false; + } + a = a->Next(); + b = b->Next(); + } + if ( a || b ) { + // different count + return false; + } + return true; + } + return false; + } + + + bool XMLElement::Accept( XMLVisitor* visitor ) const + { + TIXMLASSERT( visitor ); + if ( visitor->VisitEnter( *this, _rootAttribute ) ) { + for ( const XMLNode* node=FirstChild(); node; node=node->NextSibling() ) { + if ( !node->Accept( visitor ) ) { + break; + } + } + } + return visitor->VisitExit( *this ); + } + + +// --------- XMLDocument ----------- // + +// Warning: List must match 'enum XMLError' + const char* XMLDocument::_errorNames[XML_ERROR_COUNT] = { + "XML_SUCCESS", + "XML_NO_ATTRIBUTE", + "XML_WRONG_ATTRIBUTE_TYPE", + "XML_ERROR_FILE_NOT_FOUND", + "XML_ERROR_FILE_COULD_NOT_BE_OPENED", + "XML_ERROR_FILE_READ_ERROR", + "XML_ERROR_PARSING_ELEMENT", + "XML_ERROR_PARSING_ATTRIBUTE", + "XML_ERROR_PARSING_TEXT", + "XML_ERROR_PARSING_CDATA", + "XML_ERROR_PARSING_COMMENT", + "XML_ERROR_PARSING_DECLARATION", + "XML_ERROR_PARSING_UNKNOWN", + "XML_ERROR_EMPTY_DOCUMENT", + "XML_ERROR_MISMATCHED_ELEMENT", + "XML_ERROR_PARSING", + "XML_CAN_NOT_CONVERT_TEXT", + "XML_NO_TEXT_NODE", + "XML_ELEMENT_DEPTH_EXCEEDED" + }; + + + XMLDocument::XMLDocument( bool processEntities, Whitespace whitespaceMode ) : + XMLNode( 0 ), + _writeBOM( false ), + _processEntities( processEntities ), + _errorID(XML_SUCCESS), + _whitespaceMode( whitespaceMode ), + _errorStr(), + _errorLineNum( 0 ), + _charBuffer( 0 ), + _parseCurLineNum( 0 ), + _parsingDepth(0), + _unlinked(), + _elementPool(), + _attributePool(), + _textPool(), + _commentPool() + { + // avoid VC++ C4355 warning about 'this' in initializer list (C4355 is off by default in VS2012+) + _document = this; + } + + + XMLDocument::~XMLDocument() + { + Clear(); + } + + + void XMLDocument::MarkInUse(const XMLNode* const node) + { + TIXMLASSERT(node); + TIXMLASSERT(node->_parent == 0); + + for (size_t i = 0; i < _unlinked.Size(); ++i) { + if (node == _unlinked[i]) { + _unlinked.SwapRemove(i); + break; + } + } + } + + void XMLDocument::Clear() + { + DeleteChildren(); + while( _unlinked.Size()) { + DeleteNode(_unlinked[0]); // Will remove from _unlinked as part of delete. + } + +#ifdef TINYXML2_DEBUG + const bool hadError = Error(); +#endif + ClearError(); + + delete [] _charBuffer; + _charBuffer = 0; + _parsingDepth = 0; + +#if 0 + _textPool.Trace( "text" ); + _elementPool.Trace( "element" ); + _commentPool.Trace( "comment" ); + _attributePool.Trace( "attribute" ); +#endif + +#ifdef TINYXML2_DEBUG + if ( !hadError ) { + TIXMLASSERT( _elementPool.CurrentAllocs() == _elementPool.Untracked() ); + TIXMLASSERT( _attributePool.CurrentAllocs() == _attributePool.Untracked() ); + TIXMLASSERT( _textPool.CurrentAllocs() == _textPool.Untracked() ); + TIXMLASSERT( _commentPool.CurrentAllocs() == _commentPool.Untracked() ); + } +#endif + } + + + void XMLDocument::DeepCopy(XMLDocument* target) const + { + TIXMLASSERT(target); + if (target == this) { + return; // technically success - a no-op. + } + + target->Clear(); + for (const XMLNode* node = this->FirstChild(); node; node = node->NextSibling()) { + target->InsertEndChild(node->DeepClone(target)); + } + } + + XMLElement* XMLDocument::NewElement( const char* name ) + { + XMLElement* ele = CreateUnlinkedNode( _elementPool ); + ele->SetName( name ); + return ele; + } + + + XMLComment* XMLDocument::NewComment( const char* str ) + { + XMLComment* comment = CreateUnlinkedNode( _commentPool ); + comment->SetValue( str ); + return comment; + } + + + XMLText* XMLDocument::NewText( const char* str ) + { + XMLText* text = CreateUnlinkedNode( _textPool ); + text->SetValue( str ); + return text; + } + + + XMLDeclaration* XMLDocument::NewDeclaration( const char* str ) + { + XMLDeclaration* dec = CreateUnlinkedNode( _commentPool ); + dec->SetValue( str ? str : "xml version=\"1.0\" encoding=\"UTF-8\"" ); + return dec; + } + + + XMLUnknown* XMLDocument::NewUnknown( const char* str ) + { + XMLUnknown* unk = CreateUnlinkedNode( _commentPool ); + unk->SetValue( str ); + return unk; + } + + static FILE* callfopen( const char* filepath, const char* mode ) + { + TIXMLASSERT( filepath ); + TIXMLASSERT( mode ); +#if defined(_MSC_VER) && (_MSC_VER >= 1400 ) && (!defined WINCE) + FILE* fp = 0; + const errno_t err = fopen_s( &fp, filepath, mode ); + if ( err ) { + return 0; + } +#else + FILE* fp = fopen( filepath, mode ); +#endif + return fp; + } + + void XMLDocument::DeleteNode( XMLNode* node ) { + if(node == 0) { + return; // check for null pointer + } + TIXMLASSERT(node->_document == this); + if (node->_parent) { + node->_parent->DeleteChild( node ); + } + else { + // Isn't in the tree. + // Use the parent delete. + // Also, we need to mark it tracked: we 'know' + // it was never used. + node->_memPool->SetTracked(); + // Call the static XMLNode version: + XMLNode::DeleteNode(node); + } + } + + + XMLError XMLDocument::LoadFile( const char* filename ) + { + if ( !filename ) { + TIXMLASSERT( false ); + SetError( XML_ERROR_FILE_COULD_NOT_BE_OPENED, 0, "filename=" ); + return _errorID; + } + + Clear(); + FILE* fp = callfopen( filename, "rb" ); + if ( !fp ) { + SetError( XML_ERROR_FILE_NOT_FOUND, 0, "filename=%s", filename ); + return _errorID; + } + LoadFile( fp ); + fclose( fp ); + return _errorID; + } + + XMLError XMLDocument::LoadFile( FILE* fp ) + { + Clear(); + + TIXML_FSEEK( fp, 0, SEEK_SET ); + if ( fgetc( fp ) == EOF && ferror( fp ) != 0 ) { + SetError( XML_ERROR_FILE_READ_ERROR, 0, 0 ); + return _errorID; + } + + TIXML_FSEEK( fp, 0, SEEK_END ); + + unsigned long long filelength; + { + const long long fileLengthSigned = TIXML_FTELL( fp ); + TIXML_FSEEK( fp, 0, SEEK_SET ); + if ( fileLengthSigned == -1L ) { + SetError( XML_ERROR_FILE_READ_ERROR, 0, 0 ); + return _errorID; + } + TIXMLASSERT( fileLengthSigned >= 0 ); + filelength = static_cast(fileLengthSigned); + } + + const size_t maxSizeT = static_cast(-1); + // We'll do the comparison as an unsigned long long, because that's guaranteed to be at + // least 8 bytes, even on a 32-bit platform. + if ( filelength >= static_cast(maxSizeT) ) { + // Cannot handle files which won't fit in buffer together with null terminator + SetError( XML_ERROR_FILE_READ_ERROR, 0, 0 ); + return _errorID; + } + + if ( filelength == 0 ) { + SetError( XML_ERROR_EMPTY_DOCUMENT, 0, 0 ); + return _errorID; + } + + const size_t size = static_cast(filelength); + TIXMLASSERT( _charBuffer == 0 ); + _charBuffer = new char[size+1]; + const size_t read = fread( _charBuffer, 1, size, fp ); + if ( read != size ) { + SetError( XML_ERROR_FILE_READ_ERROR, 0, 0 ); + return _errorID; + } + + _charBuffer[size] = 0; + + Parse(); + return _errorID; + } + + + XMLError XMLDocument::SaveFile( const char* filename, bool compact ) + { + if ( !filename ) { + TIXMLASSERT( false ); + SetError( XML_ERROR_FILE_COULD_NOT_BE_OPENED, 0, "filename=" ); + return _errorID; + } + + FILE* fp = callfopen( filename, "w" ); + if ( !fp ) { + SetError( XML_ERROR_FILE_COULD_NOT_BE_OPENED, 0, "filename=%s", filename ); + return _errorID; + } + SaveFile(fp, compact); + fclose( fp ); + return _errorID; + } + + + XMLError XMLDocument::SaveFile( FILE* fp, bool compact ) + { + // Clear any error from the last save, otherwise it will get reported + // for *this* call. + ClearError(); + XMLPrinter stream( fp, compact ); + Print( &stream ); + return _errorID; + } + + + XMLError XMLDocument::Parse( const char* xml, size_t nBytes ) + { + Clear(); + + if ( nBytes == 0 || !xml || !*xml ) { + SetError( XML_ERROR_EMPTY_DOCUMENT, 0, 0 ); + return _errorID; + } + if ( nBytes == static_cast(-1) ) { + nBytes = strlen( xml ); + } + TIXMLASSERT( _charBuffer == 0 ); + _charBuffer = new char[ nBytes+1 ]; + memcpy( _charBuffer, xml, nBytes ); + _charBuffer[nBytes] = 0; + + Parse(); + if ( Error() ) { + // clean up now essentially dangling memory. + // and the parse fail can put objects in the + // pools that are dead and inaccessible. + DeleteChildren(); + _elementPool.Clear(); + _attributePool.Clear(); + _textPool.Clear(); + _commentPool.Clear(); + } + return _errorID; + } + + + void XMLDocument::Print( XMLPrinter* streamer ) const + { + if ( streamer ) { + Accept( streamer ); + } + else { + XMLPrinter stdoutStreamer( stdout ); + Accept( &stdoutStreamer ); + } + } + + + void XMLDocument::ClearError() { + _errorID = XML_SUCCESS; + _errorLineNum = 0; + _errorStr.Reset(); + } + + + void XMLDocument::SetError( XMLError error, int lineNum, const char* format, ... ) + { + TIXMLASSERT(error >= 0 && error < XML_ERROR_COUNT); + _errorID = error; + _errorLineNum = lineNum; + _errorStr.Reset(); + + const size_t BUFFER_SIZE = 1000; + char* buffer = new char[BUFFER_SIZE]; + + TIXMLASSERT(sizeof(error) <= sizeof(int)); + TIXML_SNPRINTF(buffer, BUFFER_SIZE, "Error=%s ErrorID=%d (0x%x) Line number=%d", + ErrorIDToName(error), static_cast(error), static_cast(error), lineNum); + + if (format) { + size_t len = strlen(buffer); + TIXML_SNPRINTF(buffer + len, BUFFER_SIZE - len, ": "); + len = strlen(buffer); + + va_list va; + va_start(va, format); + TIXML_VSNPRINTF(buffer + len, BUFFER_SIZE - len, format, va); + va_end(va); + } + _errorStr.SetStr(buffer); + delete[] buffer; + } + + +/*static*/ const char* XMLDocument::ErrorIDToName(XMLError errorID) + { + TIXMLASSERT( errorID >= 0 && errorID < XML_ERROR_COUNT ); + const char* errorName = _errorNames[errorID]; + TIXMLASSERT( errorName && errorName[0] ); + return errorName; + } + + const char* XMLDocument::ErrorStr() const + { + return _errorStr.Empty() ? "" : _errorStr.GetStr(); + } + + + void XMLDocument::PrintError() const + { + printf("%s\n", ErrorStr()); + } + + const char* XMLDocument::ErrorName() const + { + return ErrorIDToName(_errorID); + } + + void XMLDocument::Parse() + { + TIXMLASSERT( NoChildren() ); // Clear() must have been called previously + TIXMLASSERT( _charBuffer ); + _parseCurLineNum = 1; + _parseLineNum = 1; + char* p = _charBuffer; + p = XMLUtil::SkipWhiteSpace( p, &_parseCurLineNum ); + p = const_cast( XMLUtil::ReadBOM( p, &_writeBOM ) ); + if ( !*p ) { + SetError( XML_ERROR_EMPTY_DOCUMENT, 0, 0 ); + return; + } + ParseDeep(p, 0, &_parseCurLineNum ); + } + + void XMLDocument::PushDepth() + { + _parsingDepth++; + if (_parsingDepth == TINYXML2_MAX_ELEMENT_DEPTH) { + SetError(XML_ELEMENT_DEPTH_EXCEEDED, _parseCurLineNum, "Element nesting is too deep." ); + } + } + + void XMLDocument::PopDepth() + { + TIXMLASSERT(_parsingDepth > 0); + --_parsingDepth; + } + + XMLPrinter::XMLPrinter( FILE* file, bool compact, int depth, EscapeAposCharsInAttributes aposInAttributes ) : + _elementJustOpened( false ), + _stack(), + _firstElement( true ), + _fp( file ), + _depth( depth ), + _textDepth( -1 ), + _processEntities( true ), + _compactMode( compact ), + _buffer() + { + for( int i=0; i(entityValue); + TIXMLASSERT( flagIndex < ENTITY_RANGE ); + _entityFlag[flagIndex] = true; + } + } + _restrictedEntityFlag[static_cast('&')] = true; + _restrictedEntityFlag[static_cast('<')] = true; + _restrictedEntityFlag[static_cast('>')] = true; // not required, but consistency is nice + _buffer.Push( 0 ); + } + + + void XMLPrinter::Print( const char* format, ... ) + { + va_list va; + va_start( va, format ); + + if ( _fp ) { + vfprintf( _fp, format, va ); + } + else { + const int len = TIXML_VSCPRINTF( format, va ); + // Close out and re-start the va-args + va_end( va ); + TIXMLASSERT( len >= 0 ); + va_start( va, format ); + TIXMLASSERT( _buffer.Size() > 0 && _buffer[_buffer.Size() - 1] == 0 ); + char* p = _buffer.PushArr( len ) - 1; // back up over the null terminator. + TIXML_VSNPRINTF( p, len+1, format, va ); + } + va_end( va ); + } + + + void XMLPrinter::Write( const char* data, size_t size ) + { + if ( _fp ) { + fwrite ( data , sizeof(char), size, _fp); + } + else { + char* p = _buffer.PushArr( size ) - 1; // back up over the null terminator. + memcpy( p, data, size ); + p[size] = 0; + } + } + + + void XMLPrinter::Putc( char ch ) + { + if ( _fp ) { + fputc ( ch, _fp); + } + else { + char* p = _buffer.PushArr( sizeof(char) ) - 1; // back up over the null terminator. + p[0] = ch; + p[1] = 0; + } + } + + + void XMLPrinter::PrintSpace( int depth ) + { + for( int i=0; i 0 && *q < ENTITY_RANGE ) { + // Check for entities. If one is found, flush + // the stream up until the entity, write the + // entity, and keep looking. + if ( flag[static_cast(*q)] ) { + while ( p < q ) { + const size_t delta = q - p; + const int toPrint = ( INT_MAX < delta ) ? INT_MAX : static_cast(delta); + Write( p, toPrint ); + p += toPrint; + } + bool entityPatternPrinted = false; + for( int i=0; i(delta); + Write( p, toPrint ); + } + } + else { + Write( p ); + } + } + + + void XMLPrinter::PushHeader( bool writeBOM, bool writeDec ) + { + if ( writeBOM ) { + static const unsigned char bom[] = { TIXML_UTF_LEAD_0, TIXML_UTF_LEAD_1, TIXML_UTF_LEAD_2, 0 }; + Write( reinterpret_cast< const char* >( bom ) ); + } + if ( writeDec ) { + PushDeclaration( "xml version=\"1.0\"" ); + } + } + + void XMLPrinter::PrepareForNewNode( bool compactMode ) + { + SealElementIfJustOpened(); + + if ( compactMode ) { + return; + } + + if ( _firstElement ) { + PrintSpace (_depth); + } else if ( _textDepth < 0) { + Putc( '\n' ); + PrintSpace( _depth ); + } + + _firstElement = false; + } + + void XMLPrinter::OpenElement( const char* name, bool compactMode ) + { + PrepareForNewNode( compactMode ); + _stack.Push( name ); + + Write ( "<" ); + Write ( name ); + + _elementJustOpened = true; + ++_depth; + } + + + void XMLPrinter::PushAttribute( const char* name, const char* value ) + { + TIXMLASSERT( _elementJustOpened ); + Putc ( ' ' ); + Write( name ); + Write( "=\"" ); + PrintString( value, false ); + Putc ( '\"' ); + } + + + void XMLPrinter::PushAttribute( const char* name, int v ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + PushAttribute( name, buf ); + } + + + void XMLPrinter::PushAttribute( const char* name, unsigned v ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + PushAttribute( name, buf ); + } + + + void XMLPrinter::PushAttribute(const char* name, int64_t v) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr(v, buf, BUF_SIZE); + PushAttribute(name, buf); + } + + + void XMLPrinter::PushAttribute(const char* name, uint64_t v) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr(v, buf, BUF_SIZE); + PushAttribute(name, buf); + } + + + void XMLPrinter::PushAttribute( const char* name, bool v ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + PushAttribute( name, buf ); + } + + + void XMLPrinter::PushAttribute( const char* name, double v ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + PushAttribute( name, buf ); + } + + + void XMLPrinter::CloseElement( bool compactMode ) + { + --_depth; + const char* name = _stack.Pop(); + + if ( _elementJustOpened ) { + Write( "/>" ); + } + else { + if ( _textDepth < 0 && !compactMode) { + Putc( '\n' ); + PrintSpace( _depth ); + } + Write ( "" ); + } + + if ( _textDepth == _depth ) { + _textDepth = -1; + } + if ( _depth == 0 && !compactMode) { + Putc( '\n' ); + } + _elementJustOpened = false; + } + + + void XMLPrinter::SealElementIfJustOpened() + { + if ( !_elementJustOpened ) { + return; + } + _elementJustOpened = false; + Putc( '>' ); + } + + + void XMLPrinter::PushText( const char* text, bool cdata ) + { + _textDepth = _depth-1; + + SealElementIfJustOpened(); + if ( cdata ) { + Write( "" ); + } + else { + PrintString( text, true ); + } + } + + + void XMLPrinter::PushText( int64_t value ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( value, buf, BUF_SIZE ); + PushText( buf, false ); + } + + + void XMLPrinter::PushText( uint64_t value ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr(value, buf, BUF_SIZE); + PushText(buf, false); + } + + + void XMLPrinter::PushText( int value ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( value, buf, BUF_SIZE ); + PushText( buf, false ); + } + + + void XMLPrinter::PushText( unsigned value ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( value, buf, BUF_SIZE ); + PushText( buf, false ); + } + + + void XMLPrinter::PushText( bool value ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( value, buf, BUF_SIZE ); + PushText( buf, false ); + } + + + void XMLPrinter::PushText( float value ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( value, buf, BUF_SIZE ); + PushText( buf, false ); + } + + + void XMLPrinter::PushText( double value ) + { + char buf[BUF_SIZE]; + XMLUtil::ToStr( value, buf, BUF_SIZE ); + PushText( buf, false ); + } + + + void XMLPrinter::PushComment( const char* comment ) + { + PrepareForNewNode( _compactMode ); + + Write( "" ); + } + + + void XMLPrinter::PushDeclaration( const char* value ) + { + PrepareForNewNode( _compactMode ); + + Write( "" ); + } + + + void XMLPrinter::PushUnknown( const char* value ) + { + PrepareForNewNode( _compactMode ); + + Write( "' ); + } + + + bool XMLPrinter::VisitEnter( const XMLDocument& doc ) + { + _processEntities = doc.ProcessEntities(); + if ( doc.HasBOM() ) { + PushHeader( true, false ); + } + return true; + } + + + bool XMLPrinter::VisitEnter( const XMLElement& element, const XMLAttribute* attribute ) + { + const XMLElement* parentElem = 0; + if ( element.Parent() ) { + parentElem = element.Parent()->ToElement(); + } + const bool compactMode = parentElem ? CompactMode( *parentElem ) : _compactMode; + OpenElement( element.Name(), compactMode ); + while ( attribute ) { + PushAttribute( attribute->Name(), attribute->Value() ); + attribute = attribute->Next(); + } + return true; + } + + + bool XMLPrinter::VisitExit( const XMLElement& element ) + { + CloseElement( CompactMode(element) ); + return true; + } + + + bool XMLPrinter::Visit( const XMLText& text ) + { + PushText( text.Value(), text.CData() ); + return true; + } + + + bool XMLPrinter::Visit( const XMLComment& comment ) + { + PushComment( comment.Value() ); + return true; + } + + bool XMLPrinter::Visit( const XMLDeclaration& declaration ) + { + PushDeclaration( declaration.Value() ); + return true; + } + + + bool XMLPrinter::Visit( const XMLUnknown& unknown ) + { + PushUnknown( unknown.Value() ); + return true; + } + +} // namespace tinyxml2 \ No newline at end of file diff --git a/src/tinyxml2.h b/src/tinyxml2.h new file mode 100644 index 0000000..ec968b6 --- /dev/null +++ b/src/tinyxml2.h @@ -0,0 +1,2387 @@ +/* +Original code by Lee Thomason (www.grinninglizard.com) + +This software is provided 'as-is', without any express or implied +warranty. In no event will the authors be held liable for any +damages arising from the use of this software. + +Permission is granted to anyone to use this software for any +purpose, including commercial applications, and to alter it and +redistribute it freely, subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must +not claim that you wrote the original software. If you use this +software in a product, an acknowledgment in the product documentation +would be appreciated but is not required. + +2. Altered source versions must be plainly marked as such, and +must not be misrepresented as being the original software. + +3. This notice may not be removed or altered from any source +distribution. +*/ + +#ifndef TINYXML2_INCLUDED +#define TINYXML2_INCLUDED + +#if defined(ANDROID_NDK) || defined(__BORLANDC__) || defined(__QNXNTO__) +# include +# include +# include +# include +# include +# if defined(__PS3__) +# include +# endif +#else +# include +# include +# include +# include +# include +#endif +#include + +/* + gcc: + g++ -Wall -DTINYXML2_DEBUG tinyxml2.cpp xmltest.cpp -o gccxmltest.exe + + Formatting, Artistic Style: + AStyle.exe --style=1tbs --indent-switches --break-closing-brackets --indent-preprocessor tinyxml2.cpp tinyxml2.h +*/ + +#if defined( _DEBUG ) || defined (__DEBUG__) +# ifndef TINYXML2_DEBUG +# define TINYXML2_DEBUG +# endif +#endif + +#ifdef _MSC_VER +# pragma warning(push) +# pragma warning(disable: 4251) +#endif + +#ifdef _MSC_VER +# ifdef TINYXML2_EXPORT +# define TINYXML2_LIB __declspec(dllexport) +# elif defined(TINYXML2_IMPORT) +# define TINYXML2_LIB __declspec(dllimport) +# else +# define TINYXML2_LIB +# endif +#elif __GNUC__ >= 4 +# define TINYXML2_LIB __attribute__((visibility("default"))) +#else +# define TINYXML2_LIB +#endif + + +#if !defined(TIXMLASSERT) +#if defined(TINYXML2_DEBUG) +# if defined(_MSC_VER) +# // "(void)0," is for suppressing C4127 warning in "assert(false)", "assert(true)" and the like +# define TIXMLASSERT( x ) do { if ( !((void)0,(x))) { __debugbreak(); } } while(false) +# elif defined (ANDROID_NDK) +# include +# define TIXMLASSERT( x ) do { if ( !(x)) { __android_log_assert( "assert", "grinliz", "ASSERT in '%s' at %d.", __FILE__, __LINE__ ); } } while(false) +# else +# include +# define TIXMLASSERT assert +# endif +#else +# define TIXMLASSERT( x ) do {} while(false) +#endif +#endif + +/* Versioning, past 1.0.14: + http://semver.org/ +*/ +static const int TIXML2_MAJOR_VERSION = 11; +static const int TIXML2_MINOR_VERSION = 0; +static const int TIXML2_PATCH_VERSION = 0; + +#define TINYXML2_MAJOR_VERSION 11 +#define TINYXML2_MINOR_VERSION 0 +#define TINYXML2_PATCH_VERSION 0 + +// A fixed element depth limit is problematic. There needs to be a +// limit to avoid a stack overflow. However, that limit varies per +// system, and the capacity of the stack. On the other hand, it's a trivial +// attack that can result from ill, malicious, or even correctly formed XML, +// so there needs to be a limit in place. +static const int TINYXML2_MAX_ELEMENT_DEPTH = 500; + +namespace tinyxml2 +{ + class XMLDocument; + class XMLElement; + class XMLAttribute; + class XMLComment; + class XMLText; + class XMLDeclaration; + class XMLUnknown; + class XMLPrinter; + +/* + A class that wraps strings. Normally stores the start and end + pointers into the XML file itself, and will apply normalization + and entity translation if actually read. Can also store (and memory + manage) a traditional char[] + + Isn't clear why TINYXML2_LIB is needed; but seems to fix #719 +*/ + class TINYXML2_LIB StrPair + { + public: + enum Mode { + NEEDS_ENTITY_PROCESSING = 0x01, + NEEDS_NEWLINE_NORMALIZATION = 0x02, + NEEDS_WHITESPACE_COLLAPSING = 0x04, + + TEXT_ELEMENT = NEEDS_ENTITY_PROCESSING | NEEDS_NEWLINE_NORMALIZATION, + TEXT_ELEMENT_LEAVE_ENTITIES = NEEDS_NEWLINE_NORMALIZATION, + ATTRIBUTE_NAME = 0, + ATTRIBUTE_VALUE = NEEDS_ENTITY_PROCESSING | NEEDS_NEWLINE_NORMALIZATION, + ATTRIBUTE_VALUE_LEAVE_ENTITIES = NEEDS_NEWLINE_NORMALIZATION, + COMMENT = NEEDS_NEWLINE_NORMALIZATION + }; + + StrPair() : _flags( 0 ), _start( 0 ), _end( 0 ) {} + ~StrPair(); + + void Set( char* start, char* end, int flags ) { + TIXMLASSERT( start ); + TIXMLASSERT( end ); + Reset(); + _start = start; + _end = end; + _flags = flags | NEEDS_FLUSH; + } + + const char* GetStr(); + + bool Empty() const { + return _start == _end; + } + + void SetInternedStr( const char* str ) { + Reset(); + _start = const_cast(str); + } + + void SetStr( const char* str, int flags=0 ); + + char* ParseText( char* in, const char* endTag, int strFlags, int* curLineNumPtr ); + char* ParseName( char* in ); + + void TransferTo( StrPair* other ); + void Reset(); + + private: + void CollapseWhitespace(); + + enum { + NEEDS_FLUSH = 0x100, + NEEDS_DELETE = 0x200 + }; + + int _flags; + char* _start; + char* _end; + + StrPair( const StrPair& other ); // not supported + void operator=( const StrPair& other ); // not supported, use TransferTo() + }; + + +/* + A dynamic array of Plain Old Data. Doesn't support constructors, etc. + Has a small initial memory pool, so that low or no usage will not + cause a call to new/delete +*/ + template + class DynArray + { + public: + DynArray() : + _mem( _pool ), + _allocated( INITIAL_SIZE ), + _size( 0 ) + { + } + + ~DynArray() { + if ( _mem != _pool ) { + delete [] _mem; + } + } + + void Clear() { + _size = 0; + } + + void Push( T t ) { + TIXMLASSERT( _size < INT_MAX ); + EnsureCapacity( _size+1 ); + _mem[_size] = t; + ++_size; + } + + T* PushArr( size_t count ) { + TIXMLASSERT( _size <= SIZE_MAX - count ); + EnsureCapacity( _size+count ); + T* ret = &_mem[_size]; + _size += count; + return ret; + } + + T Pop() { + TIXMLASSERT( _size > 0 ); + --_size; + return _mem[_size]; + } + + void PopArr( size_t count ) { + TIXMLASSERT( _size >= count ); + _size -= count; + } + + bool Empty() const { + return _size == 0; + } + + T& operator[](size_t i) { + TIXMLASSERT( i < _size ); + return _mem[i]; + } + + const T& operator[](size_t i) const { + TIXMLASSERT( i < _size ); + return _mem[i]; + } + + const T& PeekTop() const { + TIXMLASSERT( _size > 0 ); + return _mem[ _size - 1]; + } + + size_t Size() const { + return _size; + } + + size_t Capacity() const { + TIXMLASSERT( _allocated >= INITIAL_SIZE ); + return _allocated; + } + + void SwapRemove(size_t i) { + TIXMLASSERT(i < _size); + TIXMLASSERT(_size > 0); + _mem[i] = _mem[_size - 1]; + --_size; + } + + const T* Mem() const { + TIXMLASSERT( _mem ); + return _mem; + } + + T* Mem() { + TIXMLASSERT( _mem ); + return _mem; + } + + private: + DynArray( const DynArray& ); // not supported + void operator=( const DynArray& ); // not supported + + void EnsureCapacity( size_t cap ) { + TIXMLASSERT( cap > 0 ); + if ( cap > _allocated ) { + TIXMLASSERT( cap <= SIZE_MAX / 2 / sizeof(T)); + const size_t newAllocated = cap * 2; + T* newMem = new T[newAllocated]; + TIXMLASSERT( newAllocated >= _size ); + memcpy( newMem, _mem, sizeof(T) * _size ); // warning: not using constructors, only works for PODs + if ( _mem != _pool ) { + delete [] _mem; + } + _mem = newMem; + _allocated = newAllocated; + } + } + + T* _mem; + T _pool[INITIAL_SIZE]; + size_t _allocated; // objects allocated + size_t _size; // number objects in use + }; + + +/* + Parent virtual class of a pool for fast allocation + and deallocation of objects. +*/ + class MemPool + { + public: + MemPool() {} + virtual ~MemPool() {} + + virtual size_t ItemSize() const = 0; + virtual void* Alloc() = 0; + virtual void Free( void* ) = 0; + virtual void SetTracked() = 0; + }; + + +/* + Template child class to create pools of the correct type. +*/ + template< size_t ITEM_SIZE > + class MemPoolT : public MemPool + { + public: + MemPoolT() : _blockPtrs(), _root(0), _currentAllocs(0), _nAllocs(0), _maxAllocs(0), _nUntracked(0) {} + ~MemPoolT() { + MemPoolT< ITEM_SIZE >::Clear(); + } + + void Clear() { + // Delete the blocks. + while( !_blockPtrs.Empty()) { + Block* lastBlock = _blockPtrs.Pop(); + delete lastBlock; + } + _root = 0; + _currentAllocs = 0; + _nAllocs = 0; + _maxAllocs = 0; + _nUntracked = 0; + } + + virtual size_t ItemSize() const override { + return ITEM_SIZE; + } + size_t CurrentAllocs() const { + return _currentAllocs; + } + + virtual void* Alloc() override{ + if ( !_root ) { + // Need a new block. + Block* block = new Block; + _blockPtrs.Push( block ); + + Item* blockItems = block->items; + for( size_t i = 0; i < ITEMS_PER_BLOCK - 1; ++i ) { + blockItems[i].next = &(blockItems[i + 1]); + } + blockItems[ITEMS_PER_BLOCK - 1].next = 0; + _root = blockItems; + } + Item* const result = _root; + TIXMLASSERT( result != 0 ); + _root = _root->next; + + ++_currentAllocs; + if ( _currentAllocs > _maxAllocs ) { + _maxAllocs = _currentAllocs; + } + ++_nAllocs; + ++_nUntracked; + return result; + } + + virtual void Free( void* mem ) override { + if ( !mem ) { + return; + } + --_currentAllocs; + Item* item = static_cast( mem ); +#ifdef TINYXML2_DEBUG + memset( item, 0xfe, sizeof( *item ) ); +#endif + item->next = _root; + _root = item; + } + void Trace( const char* name ) { + printf( "Mempool %s watermark=%d [%dk] current=%d size=%d nAlloc=%d blocks=%d\n", + name, _maxAllocs, _maxAllocs * ITEM_SIZE / 1024, _currentAllocs, + ITEM_SIZE, _nAllocs, _blockPtrs.Size() ); + } + + void SetTracked() override { + --_nUntracked; + } + + size_t Untracked() const { + return _nUntracked; + } + + // This number is perf sensitive. 4k seems like a good tradeoff on my machine. + // The test file is large, 170k. + // Release: VS2010 gcc(no opt) + // 1k: 4000 + // 2k: 4000 + // 4k: 3900 21000 + // 16k: 5200 + // 32k: 4300 + // 64k: 4000 21000 + // Declared public because some compilers do not accept to use ITEMS_PER_BLOCK + // in private part if ITEMS_PER_BLOCK is private + enum { ITEMS_PER_BLOCK = (4 * 1024) / ITEM_SIZE }; + + private: + MemPoolT( const MemPoolT& ); // not supported + void operator=( const MemPoolT& ); // not supported + + union Item { + Item* next; + char itemData[static_cast(ITEM_SIZE)]; + }; + struct Block { + Item items[ITEMS_PER_BLOCK]; + }; + DynArray< Block*, 10 > _blockPtrs; + Item* _root; + + size_t _currentAllocs; + size_t _nAllocs; + size_t _maxAllocs; + size_t _nUntracked; + }; + + + +/** + Implements the interface to the "Visitor pattern" (see the Accept() method.) + If you call the Accept() method, it requires being passed a XMLVisitor + class to handle callbacks. For nodes that contain other nodes (Document, Element) + you will get called with a VisitEnter/VisitExit pair. Nodes that are always leafs + are simply called with Visit(). + + If you return 'true' from a Visit method, recursive parsing will continue. If you return + false, no children of this node or its siblings will be visited. + + All flavors of Visit methods have a default implementation that returns 'true' (continue + visiting). You need to only override methods that are interesting to you. + + Generally Accept() is called on the XMLDocument, although all nodes support visiting. + + You should never change the document from a callback. + + @sa XMLNode::Accept() +*/ + class TINYXML2_LIB XMLVisitor + { + public: + virtual ~XMLVisitor() {} + + /// Visit a document. + virtual bool VisitEnter( const XMLDocument& /*doc*/ ) { + return true; + } + /// Visit a document. + virtual bool VisitExit( const XMLDocument& /*doc*/ ) { + return true; + } + + /// Visit an element. + virtual bool VisitEnter( const XMLElement& /*element*/, const XMLAttribute* /*firstAttribute*/ ) { + return true; + } + /// Visit an element. + virtual bool VisitExit( const XMLElement& /*element*/ ) { + return true; + } + + /// Visit a declaration. + virtual bool Visit( const XMLDeclaration& /*declaration*/ ) { + return true; + } + /// Visit a text node. + virtual bool Visit( const XMLText& /*text*/ ) { + return true; + } + /// Visit a comment node. + virtual bool Visit( const XMLComment& /*comment*/ ) { + return true; + } + /// Visit an unknown node. + virtual bool Visit( const XMLUnknown& /*unknown*/ ) { + return true; + } + }; + +// WARNING: must match XMLDocument::_errorNames[] + enum XMLError { + XML_SUCCESS = 0, + XML_NO_ATTRIBUTE, + XML_WRONG_ATTRIBUTE_TYPE, + XML_ERROR_FILE_NOT_FOUND, + XML_ERROR_FILE_COULD_NOT_BE_OPENED, + XML_ERROR_FILE_READ_ERROR, + XML_ERROR_PARSING_ELEMENT, + XML_ERROR_PARSING_ATTRIBUTE, + XML_ERROR_PARSING_TEXT, + XML_ERROR_PARSING_CDATA, + XML_ERROR_PARSING_COMMENT, + XML_ERROR_PARSING_DECLARATION, + XML_ERROR_PARSING_UNKNOWN, + XML_ERROR_EMPTY_DOCUMENT, + XML_ERROR_MISMATCHED_ELEMENT, + XML_ERROR_PARSING, + XML_CAN_NOT_CONVERT_TEXT, + XML_NO_TEXT_NODE, + XML_ELEMENT_DEPTH_EXCEEDED, + + XML_ERROR_COUNT + }; + + +/* + Utility functionality. +*/ + class TINYXML2_LIB XMLUtil + { + public: + static const char* SkipWhiteSpace( const char* p, int* curLineNumPtr ) { + TIXMLASSERT( p ); + + while( IsWhiteSpace(*p) ) { + if (curLineNumPtr && *p == '\n') { + ++(*curLineNumPtr); + } + ++p; + } + TIXMLASSERT( p ); + return p; + } + static char* SkipWhiteSpace( char* const p, int* curLineNumPtr ) { + return const_cast( SkipWhiteSpace( const_cast(p), curLineNumPtr ) ); + } + + // Anything in the high order range of UTF-8 is assumed to not be whitespace. This isn't + // correct, but simple, and usually works. + static bool IsWhiteSpace( char p ) { + return !IsUTF8Continuation(p) && isspace( static_cast(p) ); + } + + inline static bool IsNameStartChar( unsigned char ch ) { + if ( ch >= 128 ) { + // This is a heuristic guess in attempt to not implement Unicode-aware isalpha() + return true; + } + if ( isalpha( ch ) ) { + return true; + } + return ch == ':' || ch == '_'; + } + + inline static bool IsNameChar( unsigned char ch ) { + return IsNameStartChar( ch ) + || isdigit( ch ) + || ch == '.' + || ch == '-'; + } + + inline static bool IsPrefixHex( const char* p) { + p = SkipWhiteSpace(p, 0); + return p && *p == '0' && ( *(p + 1) == 'x' || *(p + 1) == 'X'); + } + + inline static bool StringEqual( const char* p, const char* q, int nChar=INT_MAX ) { + if ( p == q ) { + return true; + } + TIXMLASSERT( p ); + TIXMLASSERT( q ); + TIXMLASSERT( nChar >= 0 ); + return strncmp( p, q, static_cast(nChar) ) == 0; + } + + inline static bool IsUTF8Continuation( const char p ) { + return ( p & 0x80 ) != 0; + } + + static const char* ReadBOM( const char* p, bool* hasBOM ); + // p is the starting location, + // the UTF-8 value of the entity will be placed in value, and length filled in. + static const char* GetCharacterRef( const char* p, char* value, int* length ); + static void ConvertUTF32ToUTF8( unsigned long input, char* output, int* length ); + + // converts primitive types to strings + static void ToStr( int v, char* buffer, int bufferSize ); + static void ToStr( unsigned v, char* buffer, int bufferSize ); + static void ToStr( bool v, char* buffer, int bufferSize ); + static void ToStr( float v, char* buffer, int bufferSize ); + static void ToStr( double v, char* buffer, int bufferSize ); + static void ToStr(int64_t v, char* buffer, int bufferSize); + static void ToStr(uint64_t v, char* buffer, int bufferSize); + + // converts strings to primitive types + static bool ToInt( const char* str, int* value ); + static bool ToUnsigned( const char* str, unsigned* value ); + static bool ToBool( const char* str, bool* value ); + static bool ToFloat( const char* str, float* value ); + static bool ToDouble( const char* str, double* value ); + static bool ToInt64(const char* str, int64_t* value); + static bool ToUnsigned64(const char* str, uint64_t* value); + // Changes what is serialized for a boolean value. + // Default to "true" and "false". Shouldn't be changed + // unless you have a special testing or compatibility need. + // Be careful: static, global, & not thread safe. + // Be sure to set static const memory as parameters. + static void SetBoolSerialization(const char* writeTrue, const char* writeFalse); + + private: + static const char* writeBoolTrue; + static const char* writeBoolFalse; + }; + + +/** XMLNode is a base class for every object that is in the + XML Document Object Model (DOM), except XMLAttributes. + Nodes have siblings, a parent, and children which can + be navigated. A node is always in a XMLDocument. + The type of a XMLNode can be queried, and it can + be cast to its more defined type. + + A XMLDocument allocates memory for all its Nodes. + When the XMLDocument gets deleted, all its Nodes + will also be deleted. + + @verbatim + A Document can contain: Element (container or leaf) + Comment (leaf) + Unknown (leaf) + Declaration( leaf ) + + An Element can contain: Element (container or leaf) + Text (leaf) + Attributes (not on tree) + Comment (leaf) + Unknown (leaf) + + @endverbatim +*/ + class TINYXML2_LIB XMLNode + { + friend class XMLDocument; + friend class XMLElement; + public: + + /// Get the XMLDocument that owns this XMLNode. + const XMLDocument* GetDocument() const { + TIXMLASSERT( _document ); + return _document; + } + /// Get the XMLDocument that owns this XMLNode. + XMLDocument* GetDocument() { + TIXMLASSERT( _document ); + return _document; + } + + /// Safely cast to an Element, or null. + virtual XMLElement* ToElement() { + return 0; + } + /// Safely cast to Text, or null. + virtual XMLText* ToText() { + return 0; + } + /// Safely cast to a Comment, or null. + virtual XMLComment* ToComment() { + return 0; + } + /// Safely cast to a Document, or null. + virtual XMLDocument* ToDocument() { + return 0; + } + /// Safely cast to a Declaration, or null. + virtual XMLDeclaration* ToDeclaration() { + return 0; + } + /// Safely cast to an Unknown, or null. + virtual XMLUnknown* ToUnknown() { + return 0; + } + + virtual const XMLElement* ToElement() const { + return 0; + } + virtual const XMLText* ToText() const { + return 0; + } + virtual const XMLComment* ToComment() const { + return 0; + } + virtual const XMLDocument* ToDocument() const { + return 0; + } + virtual const XMLDeclaration* ToDeclaration() const { + return 0; + } + virtual const XMLUnknown* ToUnknown() const { + return 0; + } + + // ChildElementCount was originally suggested by msteiger on the sourceforge page for TinyXML and modified by KB1SPH for TinyXML-2. + + int ChildElementCount(const char *value) const; + + int ChildElementCount() const; + + /** The meaning of 'value' changes for the specific type. + @verbatim + Document: empty (NULL is returned, not an empty string) + Element: name of the element + Comment: the comment text + Unknown: the tag contents + Text: the text string + @endverbatim + */ + const char* Value() const; + + /** Set the Value of an XML node. + @sa Value() + */ + void SetValue( const char* val, bool staticMem=false ); + + /// Gets the line number the node is in, if the document was parsed from a file. + int GetLineNum() const { return _parseLineNum; } + + /// Get the parent of this node on the DOM. + const XMLNode* Parent() const { + return _parent; + } + + XMLNode* Parent() { + return _parent; + } + + /// Returns true if this node has no children. + bool NoChildren() const { + return !_firstChild; + } + + /// Get the first child node, or null if none exists. + const XMLNode* FirstChild() const { + return _firstChild; + } + + XMLNode* FirstChild() { + return _firstChild; + } + + /** Get the first child element, or optionally the first child + element with the specified name. + */ + const XMLElement* FirstChildElement( const char* name = 0 ) const; + + XMLElement* FirstChildElement( const char* name = 0 ) { + return const_cast(const_cast(this)->FirstChildElement( name )); + } + + /// Get the last child node, or null if none exists. + const XMLNode* LastChild() const { + return _lastChild; + } + + XMLNode* LastChild() { + return _lastChild; + } + + /** Get the last child element or optionally the last child + element with the specified name. + */ + const XMLElement* LastChildElement( const char* name = 0 ) const; + + XMLElement* LastChildElement( const char* name = 0 ) { + return const_cast(const_cast(this)->LastChildElement(name) ); + } + + /// Get the previous (left) sibling node of this node. + const XMLNode* PreviousSibling() const { + return _prev; + } + + XMLNode* PreviousSibling() { + return _prev; + } + + /// Get the previous (left) sibling element of this node, with an optionally supplied name. + const XMLElement* PreviousSiblingElement( const char* name = 0 ) const ; + + XMLElement* PreviousSiblingElement( const char* name = 0 ) { + return const_cast(const_cast(this)->PreviousSiblingElement( name ) ); + } + + /// Get the next (right) sibling node of this node. + const XMLNode* NextSibling() const { + return _next; + } + + XMLNode* NextSibling() { + return _next; + } + + /// Get the next (right) sibling element of this node, with an optionally supplied name. + const XMLElement* NextSiblingElement( const char* name = 0 ) const; + + XMLElement* NextSiblingElement( const char* name = 0 ) { + return const_cast(const_cast(this)->NextSiblingElement( name ) ); + } + + /** + Add a child node as the last (right) child. + If the child node is already part of the document, + it is moved from its old location to the new location. + Returns the addThis argument or 0 if the node does not + belong to the same document. + */ + XMLNode* InsertEndChild( XMLNode* addThis ); + + XMLNode* LinkEndChild( XMLNode* addThis ) { + return InsertEndChild( addThis ); + } + /** + Add a child node as the first (left) child. + If the child node is already part of the document, + it is moved from its old location to the new location. + Returns the addThis argument or 0 if the node does not + belong to the same document. + */ + XMLNode* InsertFirstChild( XMLNode* addThis ); + /** + Add a node after the specified child node. + If the child node is already part of the document, + it is moved from its old location to the new location. + Returns the addThis argument or 0 if the afterThis node + is not a child of this node, or if the node does not + belong to the same document. + */ + XMLNode* InsertAfterChild( XMLNode* afterThis, XMLNode* addThis ); + + /** + Delete all the children of this node. + */ + void DeleteChildren(); + + /** + Delete a child of this node. + */ + void DeleteChild( XMLNode* node ); + + /** + Make a copy of this node, but not its children. + You may pass in a Document pointer that will be + the owner of the new Node. If the 'document' is + null, then the node returned will be allocated + from the current Document. (this->GetDocument()) + + Note: if called on a XMLDocument, this will return null. + */ + virtual XMLNode* ShallowClone( XMLDocument* document ) const = 0; + + /** + Make a copy of this node and all its children. + + If the 'target' is null, then the nodes will + be allocated in the current document. If 'target' + is specified, the memory will be allocated in the + specified XMLDocument. + + NOTE: This is probably not the correct tool to + copy a document, since XMLDocuments can have multiple + top level XMLNodes. You probably want to use + XMLDocument::DeepCopy() + */ + XMLNode* DeepClone( XMLDocument* target ) const; + + /** + Test if 2 nodes are the same, but don't test children. + The 2 nodes do not need to be in the same Document. + + Note: if called on a XMLDocument, this will return false. + */ + virtual bool ShallowEqual( const XMLNode* compare ) const = 0; + + /** Accept a hierarchical visit of the nodes in the TinyXML-2 DOM. Every node in the + XML tree will be conditionally visited and the host will be called back + via the XMLVisitor interface. + + This is essentially a SAX interface for TinyXML-2. (Note however it doesn't re-parse + the XML for the callbacks, so the performance of TinyXML-2 is unchanged by using this + interface versus any other.) + + The interface has been based on ideas from: + + - http://www.saxproject.org/ + - http://c2.com/cgi/wiki?HierarchicalVisitorPattern + + Which are both good references for "visiting". + + An example of using Accept(): + @verbatim + XMLPrinter printer; + tinyxmlDoc.Accept( &printer ); + const char* xmlcstr = printer.CStr(); + @endverbatim + */ + virtual bool Accept( XMLVisitor* visitor ) const = 0; + + /** + Set user data into the XMLNode. TinyXML-2 in + no way processes or interprets user data. + It is initially 0. + */ + void SetUserData(void* userData) { _userData = userData; } + + /** + Get user data set into the XMLNode. TinyXML-2 in + no way processes or interprets user data. + It is initially 0. + */ + void* GetUserData() const { return _userData; } + + protected: + explicit XMLNode( XMLDocument* ); + virtual ~XMLNode(); + + virtual char* ParseDeep( char* p, StrPair* parentEndTag, int* curLineNumPtr); + + XMLDocument* _document; + XMLNode* _parent; + mutable StrPair _value; + int _parseLineNum; + + XMLNode* _firstChild; + XMLNode* _lastChild; + + XMLNode* _prev; + XMLNode* _next; + + void* _userData; + + private: + MemPool* _memPool; + void Unlink( XMLNode* child ); + static void DeleteNode( XMLNode* node ); + void InsertChildPreamble( XMLNode* insertThis ) const; + const XMLElement* ToElementWithName( const char* name ) const; + + XMLNode( const XMLNode& ); // not supported + XMLNode& operator=( const XMLNode& ); // not supported + }; + + +/** XML text. + + Note that a text node can have child element nodes, for example: + @verbatim + This is bold + @endverbatim + + A text node can have 2 ways to output the next. "normal" output + and CDATA. It will default to the mode it was parsed from the XML file and + you generally want to leave it alone, but you can change the output mode with + SetCData() and query it with CData(). +*/ + class TINYXML2_LIB XMLText : public XMLNode + { + friend class XMLDocument; + public: + virtual bool Accept( XMLVisitor* visitor ) const override; + + virtual XMLText* ToText() override { + return this; + } + virtual const XMLText* ToText() const override { + return this; + } + + /// Declare whether this should be CDATA or standard text. + void SetCData( bool isCData ) { + _isCData = isCData; + } + /// Returns true if this is a CDATA text element. + bool CData() const { + return _isCData; + } + + virtual XMLNode* ShallowClone( XMLDocument* document ) const override; + virtual bool ShallowEqual( const XMLNode* compare ) const override; + + protected: + explicit XMLText( XMLDocument* doc ) : XMLNode( doc ), _isCData( false ) {} + virtual ~XMLText() {} + + char* ParseDeep( char* p, StrPair* parentEndTag, int* curLineNumPtr ) override; + + private: + bool _isCData; + + XMLText( const XMLText& ); // not supported + XMLText& operator=( const XMLText& ); // not supported + }; + + +/** An XML Comment. */ + class TINYXML2_LIB XMLComment : public XMLNode + { + friend class XMLDocument; + public: + virtual XMLComment* ToComment() override { + return this; + } + virtual const XMLComment* ToComment() const override { + return this; + } + + virtual bool Accept( XMLVisitor* visitor ) const override; + + virtual XMLNode* ShallowClone( XMLDocument* document ) const override; + virtual bool ShallowEqual( const XMLNode* compare ) const override; + + protected: + explicit XMLComment( XMLDocument* doc ); + virtual ~XMLComment(); + + char* ParseDeep( char* p, StrPair* parentEndTag, int* curLineNumPtr) override; + + private: + XMLComment( const XMLComment& ); // not supported + XMLComment& operator=( const XMLComment& ); // not supported + }; + + +/** In correct XML the declaration is the first entry in the file. + @verbatim + + @endverbatim + + TinyXML-2 will happily read or write files without a declaration, + however. + + The text of the declaration isn't interpreted. It is parsed + and written as a string. +*/ + class TINYXML2_LIB XMLDeclaration : public XMLNode + { + friend class XMLDocument; + public: + virtual XMLDeclaration* ToDeclaration() override { + return this; + } + virtual const XMLDeclaration* ToDeclaration() const override { + return this; + } + + virtual bool Accept( XMLVisitor* visitor ) const override; + + virtual XMLNode* ShallowClone( XMLDocument* document ) const override; + virtual bool ShallowEqual( const XMLNode* compare ) const override; + + protected: + explicit XMLDeclaration( XMLDocument* doc ); + virtual ~XMLDeclaration(); + + char* ParseDeep( char* p, StrPair* parentEndTag, int* curLineNumPtr ) override; + + private: + XMLDeclaration( const XMLDeclaration& ); // not supported + XMLDeclaration& operator=( const XMLDeclaration& ); // not supported + }; + + +/** Any tag that TinyXML-2 doesn't recognize is saved as an + unknown. It is a tag of text, but should not be modified. + It will be written back to the XML, unchanged, when the file + is saved. + + DTD tags get thrown into XMLUnknowns. +*/ + class TINYXML2_LIB XMLUnknown : public XMLNode + { + friend class XMLDocument; + public: + virtual XMLUnknown* ToUnknown() override { + return this; + } + virtual const XMLUnknown* ToUnknown() const override { + return this; + } + + virtual bool Accept( XMLVisitor* visitor ) const override; + + virtual XMLNode* ShallowClone( XMLDocument* document ) const override; + virtual bool ShallowEqual( const XMLNode* compare ) const override; + + protected: + explicit XMLUnknown( XMLDocument* doc ); + virtual ~XMLUnknown(); + + char* ParseDeep( char* p, StrPair* parentEndTag, int* curLineNumPtr ) override; + + private: + XMLUnknown( const XMLUnknown& ); // not supported + XMLUnknown& operator=( const XMLUnknown& ); // not supported + }; + + + +/** An attribute is a name-value pair. Elements have an arbitrary + number of attributes, each with a unique name. + + @note The attributes are not XMLNodes. You may only query the + Next() attribute in a list. +*/ + class TINYXML2_LIB XMLAttribute + { + friend class XMLElement; + public: + /// The name of the attribute. + const char* Name() const; + + /// The value of the attribute. + const char* Value() const; + + /// Gets the line number the attribute is in, if the document was parsed from a file. + int GetLineNum() const { return _parseLineNum; } + + /// The next attribute in the list. + const XMLAttribute* Next() const { + return _next; + } + + /** IntValue interprets the attribute as an integer, and returns the value. + If the value isn't an integer, 0 will be returned. There is no error checking; + use QueryIntValue() if you need error checking. + */ + int IntValue() const { + int i = 0; + QueryIntValue(&i); + return i; + } + + int64_t Int64Value() const { + int64_t i = 0; + QueryInt64Value(&i); + return i; + } + + uint64_t Unsigned64Value() const { + uint64_t i = 0; + QueryUnsigned64Value(&i); + return i; + } + + /// Query as an unsigned integer. See IntValue() + unsigned UnsignedValue() const { + unsigned i=0; + QueryUnsignedValue( &i ); + return i; + } + /// Query as a boolean. See IntValue() + bool BoolValue() const { + bool b=false; + QueryBoolValue( &b ); + return b; + } + /// Query as a double. See IntValue() + double DoubleValue() const { + double d=0; + QueryDoubleValue( &d ); + return d; + } + /// Query as a float. See IntValue() + float FloatValue() const { + float f=0; + QueryFloatValue( &f ); + return f; + } + + /** QueryIntValue interprets the attribute as an integer, and returns the value + in the provided parameter. The function will return XML_SUCCESS on success, + and XML_WRONG_ATTRIBUTE_TYPE if the conversion is not successful. + */ + XMLError QueryIntValue( int* value ) const; + /// See QueryIntValue + XMLError QueryUnsignedValue( unsigned int* value ) const; + /// See QueryIntValue + XMLError QueryInt64Value(int64_t* value) const; + /// See QueryIntValue + XMLError QueryUnsigned64Value(uint64_t* value) const; + /// See QueryIntValue + XMLError QueryBoolValue( bool* value ) const; + /// See QueryIntValue + XMLError QueryDoubleValue( double* value ) const; + /// See QueryIntValue + XMLError QueryFloatValue( float* value ) const; + + /// Set the attribute to a string value. + void SetAttribute( const char* value ); + /// Set the attribute to value. + void SetAttribute( int value ); + /// Set the attribute to value. + void SetAttribute( unsigned value ); + /// Set the attribute to value. + void SetAttribute(int64_t value); + /// Set the attribute to value. + void SetAttribute(uint64_t value); + /// Set the attribute to value. + void SetAttribute( bool value ); + /// Set the attribute to value. + void SetAttribute( double value ); + /// Set the attribute to value. + void SetAttribute( float value ); + + private: + enum { BUF_SIZE = 200 }; + + XMLAttribute() : _name(), _value(),_parseLineNum( 0 ), _next( 0 ), _memPool( 0 ) {} + virtual ~XMLAttribute() {} + + XMLAttribute( const XMLAttribute& ); // not supported + void operator=( const XMLAttribute& ); // not supported + void SetName( const char* name ); + + char* ParseDeep( char* p, bool processEntities, int* curLineNumPtr ); + + mutable StrPair _name; + mutable StrPair _value; + int _parseLineNum; + XMLAttribute* _next; + MemPool* _memPool; + }; + + +/** The element is a container class. It has a value, the element name, + and can contain other elements, text, comments, and unknowns. + Elements also contain an arbitrary number of attributes. +*/ + class TINYXML2_LIB XMLElement : public XMLNode + { + friend class XMLDocument; + public: + /// Get the name of an element (which is the Value() of the node.) + const char* Name() const { + return Value(); + } + /// Set the name of the element. + void SetName( const char* str, bool staticMem=false ) { + SetValue( str, staticMem ); + } + + virtual XMLElement* ToElement() override { + return this; + } + virtual const XMLElement* ToElement() const override { + return this; + } + virtual bool Accept( XMLVisitor* visitor ) const override; + + /** Given an attribute name, Attribute() returns the value + for the attribute of that name, or null if none + exists. For example: + + @verbatim + const char* value = ele->Attribute( "foo" ); + @endverbatim + + The 'value' parameter is normally null. However, if specified, + the attribute will only be returned if the 'name' and 'value' + match. This allow you to write code: + + @verbatim + if ( ele->Attribute( "foo", "bar" ) ) callFooIsBar(); + @endverbatim + + rather than: + @verbatim + if ( ele->Attribute( "foo" ) ) { + if ( strcmp( ele->Attribute( "foo" ), "bar" ) == 0 ) callFooIsBar(); + } + @endverbatim + */ + const char* Attribute( const char* name, const char* value=0 ) const; + + /** Given an attribute name, IntAttribute() returns the value + of the attribute interpreted as an integer. The default + value will be returned if the attribute isn't present, + or if there is an error. (For a method with error + checking, see QueryIntAttribute()). + */ + int IntAttribute(const char* name, int defaultValue = 0) const; + /// See IntAttribute() + unsigned UnsignedAttribute(const char* name, unsigned defaultValue = 0) const; + /// See IntAttribute() + int64_t Int64Attribute(const char* name, int64_t defaultValue = 0) const; + /// See IntAttribute() + uint64_t Unsigned64Attribute(const char* name, uint64_t defaultValue = 0) const; + /// See IntAttribute() + bool BoolAttribute(const char* name, bool defaultValue = false) const; + /// See IntAttribute() + double DoubleAttribute(const char* name, double defaultValue = 0) const; + /// See IntAttribute() + float FloatAttribute(const char* name, float defaultValue = 0) const; + + /** Given an attribute name, QueryIntAttribute() returns + XML_SUCCESS, XML_WRONG_ATTRIBUTE_TYPE if the conversion + can't be performed, or XML_NO_ATTRIBUTE if the attribute + doesn't exist. If successful, the result of the conversion + will be written to 'value'. If not successful, nothing will + be written to 'value'. This allows you to provide default + value: + + @verbatim + int value = 10; + QueryIntAttribute( "foo", &value ); // if "foo" isn't found, value will still be 10 + @endverbatim + */ + XMLError QueryIntAttribute( const char* name, int* value ) const { + const XMLAttribute* a = FindAttribute( name ); + if ( !a ) { + return XML_NO_ATTRIBUTE; + } + return a->QueryIntValue( value ); + } + + /// See QueryIntAttribute() + XMLError QueryUnsignedAttribute( const char* name, unsigned int* value ) const { + const XMLAttribute* a = FindAttribute( name ); + if ( !a ) { + return XML_NO_ATTRIBUTE; + } + return a->QueryUnsignedValue( value ); + } + + /// See QueryIntAttribute() + XMLError QueryInt64Attribute(const char* name, int64_t* value) const { + const XMLAttribute* a = FindAttribute(name); + if (!a) { + return XML_NO_ATTRIBUTE; + } + return a->QueryInt64Value(value); + } + + /// See QueryIntAttribute() + XMLError QueryUnsigned64Attribute(const char* name, uint64_t* value) const { + const XMLAttribute* a = FindAttribute(name); + if(!a) { + return XML_NO_ATTRIBUTE; + } + return a->QueryUnsigned64Value(value); + } + + /// See QueryIntAttribute() + XMLError QueryBoolAttribute( const char* name, bool* value ) const { + const XMLAttribute* a = FindAttribute( name ); + if ( !a ) { + return XML_NO_ATTRIBUTE; + } + return a->QueryBoolValue( value ); + } + /// See QueryIntAttribute() + XMLError QueryDoubleAttribute( const char* name, double* value ) const { + const XMLAttribute* a = FindAttribute( name ); + if ( !a ) { + return XML_NO_ATTRIBUTE; + } + return a->QueryDoubleValue( value ); + } + /// See QueryIntAttribute() + XMLError QueryFloatAttribute( const char* name, float* value ) const { + const XMLAttribute* a = FindAttribute( name ); + if ( !a ) { + return XML_NO_ATTRIBUTE; + } + return a->QueryFloatValue( value ); + } + + /// See QueryIntAttribute() + XMLError QueryStringAttribute(const char* name, const char** value) const { + const XMLAttribute* a = FindAttribute(name); + if (!a) { + return XML_NO_ATTRIBUTE; + } + *value = a->Value(); + return XML_SUCCESS; + } + + + + /** Given an attribute name, QueryAttribute() returns + XML_SUCCESS, XML_WRONG_ATTRIBUTE_TYPE if the conversion + can't be performed, or XML_NO_ATTRIBUTE if the attribute + doesn't exist. It is overloaded for the primitive types, + and is a generally more convenient replacement of + QueryIntAttribute() and related functions. + + If successful, the result of the conversion + will be written to 'value'. If not successful, nothing will + be written to 'value'. This allows you to provide default + value: + + @verbatim + int value = 10; + QueryAttribute( "foo", &value ); // if "foo" isn't found, value will still be 10 + @endverbatim + */ + XMLError QueryAttribute( const char* name, int* value ) const { + return QueryIntAttribute( name, value ); + } + + XMLError QueryAttribute( const char* name, unsigned int* value ) const { + return QueryUnsignedAttribute( name, value ); + } + + XMLError QueryAttribute(const char* name, int64_t* value) const { + return QueryInt64Attribute(name, value); + } + + XMLError QueryAttribute(const char* name, uint64_t* value) const { + return QueryUnsigned64Attribute(name, value); + } + + XMLError QueryAttribute( const char* name, bool* value ) const { + return QueryBoolAttribute( name, value ); + } + + XMLError QueryAttribute( const char* name, double* value ) const { + return QueryDoubleAttribute( name, value ); + } + + XMLError QueryAttribute( const char* name, float* value ) const { + return QueryFloatAttribute( name, value ); + } + + XMLError QueryAttribute(const char* name, const char** value) const { + return QueryStringAttribute(name, value); + } + + /// Sets the named attribute to value. + void SetAttribute( const char* name, const char* value ) { + XMLAttribute* a = FindOrCreateAttribute( name ); + a->SetAttribute( value ); + } + /// Sets the named attribute to value. + void SetAttribute( const char* name, int value ) { + XMLAttribute* a = FindOrCreateAttribute( name ); + a->SetAttribute( value ); + } + /// Sets the named attribute to value. + void SetAttribute( const char* name, unsigned value ) { + XMLAttribute* a = FindOrCreateAttribute( name ); + a->SetAttribute( value ); + } + + /// Sets the named attribute to value. + void SetAttribute(const char* name, int64_t value) { + XMLAttribute* a = FindOrCreateAttribute(name); + a->SetAttribute(value); + } + + /// Sets the named attribute to value. + void SetAttribute(const char* name, uint64_t value) { + XMLAttribute* a = FindOrCreateAttribute(name); + a->SetAttribute(value); + } + + /// Sets the named attribute to value. + void SetAttribute( const char* name, bool value ) { + XMLAttribute* a = FindOrCreateAttribute( name ); + a->SetAttribute( value ); + } + /// Sets the named attribute to value. + void SetAttribute( const char* name, double value ) { + XMLAttribute* a = FindOrCreateAttribute( name ); + a->SetAttribute( value ); + } + /// Sets the named attribute to value. + void SetAttribute( const char* name, float value ) { + XMLAttribute* a = FindOrCreateAttribute( name ); + a->SetAttribute( value ); + } + + /** + Delete an attribute. + */ + void DeleteAttribute( const char* name ); + + /// Return the first attribute in the list. + const XMLAttribute* FirstAttribute() const { + return _rootAttribute; + } + /// Query a specific attribute in the list. + const XMLAttribute* FindAttribute( const char* name ) const; + + /** Convenience function for easy access to the text inside an element. Although easy + and concise, GetText() is limited compared to getting the XMLText child + and accessing it directly. + + If the first child of 'this' is a XMLText, the GetText() + returns the character string of the Text node, else null is returned. + + This is a convenient method for getting the text of simple contained text: + @verbatim + This is text + const char* str = fooElement->GetText(); + @endverbatim + + 'str' will be a pointer to "This is text". + + Note that this function can be misleading. If the element foo was created from + this XML: + @verbatim + This is text + @endverbatim + + then the value of str would be null. The first child node isn't a text node, it is + another element. From this XML: + @verbatim + This is text + @endverbatim + GetText() will return "This is ". + */ + const char* GetText() const; + + /** Convenience function for easy access to the text inside an element. Although easy + and concise, SetText() is limited compared to creating an XMLText child + and mutating it directly. + + If the first child of 'this' is a XMLText, SetText() sets its value to + the given string, otherwise it will create a first child that is an XMLText. + + This is a convenient method for setting the text of simple contained text: + @verbatim + This is text + fooElement->SetText( "Hullaballoo!" ); + Hullaballoo! + @endverbatim + + Note that this function can be misleading. If the element foo was created from + this XML: + @verbatim + This is text + @endverbatim + + then it will not change "This is text", but rather prefix it with a text element: + @verbatim + Hullaballoo!This is text + @endverbatim + + For this XML: + @verbatim + + @endverbatim + SetText() will generate + @verbatim + Hullaballoo! + @endverbatim + */ + void SetText( const char* inText ); + /// Convenience method for setting text inside an element. See SetText() for important limitations. + void SetText( int value ); + /// Convenience method for setting text inside an element. See SetText() for important limitations. + void SetText( unsigned value ); + /// Convenience method for setting text inside an element. See SetText() for important limitations. + void SetText(int64_t value); + /// Convenience method for setting text inside an element. See SetText() for important limitations. + void SetText(uint64_t value); + /// Convenience method for setting text inside an element. See SetText() for important limitations. + void SetText( bool value ); + /// Convenience method for setting text inside an element. See SetText() for important limitations. + void SetText( double value ); + /// Convenience method for setting text inside an element. See SetText() for important limitations. + void SetText( float value ); + + /** + Convenience method to query the value of a child text node. This is probably best + shown by example. Given you have a document is this form: + @verbatim + + 1 + 1.4 + + @endverbatim + + The QueryIntText() and similar functions provide a safe and easier way to get to the + "value" of x and y. + + @verbatim + int x = 0; + float y = 0; // types of x and y are contrived for example + const XMLElement* xElement = pointElement->FirstChildElement( "x" ); + const XMLElement* yElement = pointElement->FirstChildElement( "y" ); + xElement->QueryIntText( &x ); + yElement->QueryFloatText( &y ); + @endverbatim + + @returns XML_SUCCESS (0) on success, XML_CAN_NOT_CONVERT_TEXT if the text cannot be converted + to the requested type, and XML_NO_TEXT_NODE if there is no child text to query. + + */ + XMLError QueryIntText( int* ival ) const; + /// See QueryIntText() + XMLError QueryUnsignedText( unsigned* uval ) const; + /// See QueryIntText() + XMLError QueryInt64Text(int64_t* uval) const; + /// See QueryIntText() + XMLError QueryUnsigned64Text(uint64_t* uval) const; + /// See QueryIntText() + XMLError QueryBoolText( bool* bval ) const; + /// See QueryIntText() + XMLError QueryDoubleText( double* dval ) const; + /// See QueryIntText() + XMLError QueryFloatText( float* fval ) const; + + int IntText(int defaultValue = 0) const; + + /// See QueryIntText() + unsigned UnsignedText(unsigned defaultValue = 0) const; + /// See QueryIntText() + int64_t Int64Text(int64_t defaultValue = 0) const; + /// See QueryIntText() + uint64_t Unsigned64Text(uint64_t defaultValue = 0) const; + /// See QueryIntText() + bool BoolText(bool defaultValue = false) const; + /// See QueryIntText() + double DoubleText(double defaultValue = 0) const; + /// See QueryIntText() + float FloatText(float defaultValue = 0) const; + + /** + Convenience method to create a new XMLElement and add it as last (right) + child of this node. Returns the created and inserted element. + */ + XMLElement* InsertNewChildElement(const char* name); + /// See InsertNewChildElement() + XMLComment* InsertNewComment(const char* comment); + /// See InsertNewChildElement() + XMLText* InsertNewText(const char* text); + /// See InsertNewChildElement() + XMLDeclaration* InsertNewDeclaration(const char* text); + /// See InsertNewChildElement() + XMLUnknown* InsertNewUnknown(const char* text); + + + // internal: + enum ElementClosingType { + OPEN, // + CLOSED, // + CLOSING // + }; + ElementClosingType ClosingType() const { + return _closingType; + } + virtual XMLNode* ShallowClone( XMLDocument* document ) const override; + virtual bool ShallowEqual( const XMLNode* compare ) const override; + + protected: + char* ParseDeep( char* p, StrPair* parentEndTag, int* curLineNumPtr ) override; + + private: + XMLElement( XMLDocument* doc ); + virtual ~XMLElement(); + XMLElement( const XMLElement& ); // not supported + void operator=( const XMLElement& ); // not supported + + XMLAttribute* FindOrCreateAttribute( const char* name ); + char* ParseAttributes( char* p, int* curLineNumPtr ); + static void DeleteAttribute( XMLAttribute* attribute ); + XMLAttribute* CreateAttribute(); + + enum { BUF_SIZE = 200 }; + ElementClosingType _closingType; + // The attribute list is ordered; there is no 'lastAttribute' + // because the list needs to be scanned for dupes before adding + // a new attribute. + XMLAttribute* _rootAttribute; + }; + + + enum Whitespace { + PRESERVE_WHITESPACE, + COLLAPSE_WHITESPACE, + PEDANTIC_WHITESPACE + }; + + +/** A Document binds together all the functionality. + It can be saved, loaded, and printed to the screen. + All Nodes are connected and allocated to a Document. + If the Document is deleted, all its Nodes are also deleted. +*/ + class TINYXML2_LIB XMLDocument : public XMLNode + { + friend class XMLElement; + // Gives access to SetError and Push/PopDepth, but over-access for everything else. + // Wishing C++ had "internal" scope. + friend class XMLNode; + friend class XMLText; + friend class XMLComment; + friend class XMLDeclaration; + friend class XMLUnknown; + public: + /// constructor + XMLDocument( bool processEntities = true, Whitespace whitespaceMode = PRESERVE_WHITESPACE ); + ~XMLDocument(); + + virtual XMLDocument* ToDocument() override { + TIXMLASSERT( this == _document ); + return this; + } + virtual const XMLDocument* ToDocument() const override { + TIXMLASSERT( this == _document ); + return this; + } + + /** + Parse an XML file from a character string. + Returns XML_SUCCESS (0) on success, or + an errorID. + + You may optionally pass in the 'nBytes', which is + the number of bytes which will be parsed. If not + specified, TinyXML-2 will assume 'xml' points to a + null terminated string. + */ + XMLError Parse( const char* xml, size_t nBytes=static_cast(-1) ); + + /** + Load an XML file from disk. + Returns XML_SUCCESS (0) on success, or + an errorID. + */ + XMLError LoadFile( const char* filename ); + + /** + Load an XML file from disk. You are responsible + for providing and closing the FILE*. + + NOTE: The file should be opened as binary ("rb") + not text in order for TinyXML-2 to correctly + do newline normalization. + + Returns XML_SUCCESS (0) on success, or + an errorID. + */ + XMLError LoadFile( FILE* ); + + /** + Save the XML file to disk. + Returns XML_SUCCESS (0) on success, or + an errorID. + */ + XMLError SaveFile( const char* filename, bool compact = false ); + + /** + Save the XML file to disk. You are responsible + for providing and closing the FILE*. + + Returns XML_SUCCESS (0) on success, or + an errorID. + */ + XMLError SaveFile( FILE* fp, bool compact = false ); + + bool ProcessEntities() const { + return _processEntities; + } + Whitespace WhitespaceMode() const { + return _whitespaceMode; + } + + /** + Returns true if this document has a leading Byte Order Mark of UTF8. + */ + bool HasBOM() const { + return _writeBOM; + } + /** Sets whether to write the BOM when writing the file. + */ + void SetBOM( bool useBOM ) { + _writeBOM = useBOM; + } + + /** Return the root element of DOM. Equivalent to FirstChildElement(). + To get the first node, use FirstChild(). + */ + XMLElement* RootElement() { + return FirstChildElement(); + } + const XMLElement* RootElement() const { + return FirstChildElement(); + } + + /** Print the Document. If the Printer is not provided, it will + print to stdout. If you provide Printer, this can print to a file: + @verbatim + XMLPrinter printer( fp ); + doc.Print( &printer ); + @endverbatim + + Or you can use a printer to print to memory: + @verbatim + XMLPrinter printer; + doc.Print( &printer ); + // printer.CStr() has a const char* to the XML + @endverbatim + */ + void Print( XMLPrinter* streamer=0 ) const; + virtual bool Accept( XMLVisitor* visitor ) const override; + + /** + Create a new Element associated with + this Document. The memory for the Element + is managed by the Document. + */ + XMLElement* NewElement( const char* name ); + /** + Create a new Comment associated with + this Document. The memory for the Comment + is managed by the Document. + */ + XMLComment* NewComment( const char* comment ); + /** + Create a new Text associated with + this Document. The memory for the Text + is managed by the Document. + */ + XMLText* NewText( const char* text ); + /** + Create a new Declaration associated with + this Document. The memory for the object + is managed by the Document. + + If the 'text' param is null, the standard + declaration is used.: + @verbatim + + @endverbatim + */ + XMLDeclaration* NewDeclaration( const char* text=0 ); + /** + Create a new Unknown associated with + this Document. The memory for the object + is managed by the Document. + */ + XMLUnknown* NewUnknown( const char* text ); + + /** + Delete a node associated with this document. + It will be unlinked from the DOM. + */ + void DeleteNode( XMLNode* node ); + + /// Clears the error flags. + void ClearError(); + + /// Return true if there was an error parsing the document. + bool Error() const { + return _errorID != XML_SUCCESS; + } + /// Return the errorID. + XMLError ErrorID() const { + return _errorID; + } + const char* ErrorName() const; + static const char* ErrorIDToName(XMLError errorID); + + /** Returns a "long form" error description. A hopefully helpful + diagnostic with location, line number, and/or additional info. + */ + const char* ErrorStr() const; + + /// A (trivial) utility function that prints the ErrorStr() to stdout. + void PrintError() const; + + /// Return the line where the error occurred, or zero if unknown. + int ErrorLineNum() const + { + return _errorLineNum; + } + + /// Clear the document, resetting it to the initial state. + void Clear(); + + /** + Copies this document to a target document. + The target will be completely cleared before the copy. + If you want to copy a sub-tree, see XMLNode::DeepClone(). + + NOTE: that the 'target' must be non-null. + */ + void DeepCopy(XMLDocument* target) const; + + // internal + char* Identify( char* p, XMLNode** node, bool first ); + + // internal + void MarkInUse(const XMLNode* const); + + virtual XMLNode* ShallowClone( XMLDocument* /*document*/ ) const override{ + return 0; + } + virtual bool ShallowEqual( const XMLNode* /*compare*/ ) const override{ + return false; + } + + private: + XMLDocument( const XMLDocument& ); // not supported + void operator=( const XMLDocument& ); // not supported + + bool _writeBOM; + bool _processEntities; + XMLError _errorID; + Whitespace _whitespaceMode; + mutable StrPair _errorStr; + int _errorLineNum; + char* _charBuffer; + int _parseCurLineNum; + int _parsingDepth; + // Memory tracking does add some overhead. + // However, the code assumes that you don't + // have a bunch of unlinked nodes around. + // Therefore it takes less memory to track + // in the document vs. a linked list in the XMLNode, + // and the performance is the same. + DynArray _unlinked; + + MemPoolT< sizeof(XMLElement) > _elementPool; + MemPoolT< sizeof(XMLAttribute) > _attributePool; + MemPoolT< sizeof(XMLText) > _textPool; + MemPoolT< sizeof(XMLComment) > _commentPool; + + static const char* _errorNames[XML_ERROR_COUNT]; + + void Parse(); + + void SetError( XMLError error, int lineNum, const char* format, ... ); + + // Something of an obvious security hole, once it was discovered. + // Either an ill-formed XML or an excessively deep one can overflow + // the stack. Track stack depth, and error out if needed. + class DepthTracker { + public: + explicit DepthTracker(XMLDocument * document) { + this->_document = document; + document->PushDepth(); + } + ~DepthTracker() { + _document->PopDepth(); + } + private: + XMLDocument * _document; + }; + void PushDepth(); + void PopDepth(); + + template + NodeType* CreateUnlinkedNode( MemPoolT& pool ); + }; + + template + inline NodeType* XMLDocument::CreateUnlinkedNode( MemPoolT& pool ) + { + TIXMLASSERT( sizeof( NodeType ) == PoolElementSize ); + TIXMLASSERT( sizeof( NodeType ) == pool.ItemSize() ); + NodeType* returnNode = new (pool.Alloc()) NodeType( this ); + TIXMLASSERT( returnNode ); + returnNode->_memPool = &pool; + + _unlinked.Push(returnNode); + return returnNode; + } + +/** + A XMLHandle is a class that wraps a node pointer with null checks; this is + an incredibly useful thing. Note that XMLHandle is not part of the TinyXML-2 + DOM structure. It is a separate utility class. + + Take an example: + @verbatim + + + + + + + @endverbatim + + Assuming you want the value of "attributeB" in the 2nd "Child" element, it's very + easy to write a *lot* of code that looks like: + + @verbatim + XMLElement* root = document.FirstChildElement( "Document" ); + if ( root ) + { + XMLElement* element = root->FirstChildElement( "Element" ); + if ( element ) + { + XMLElement* child = element->FirstChildElement( "Child" ); + if ( child ) + { + XMLElement* child2 = child->NextSiblingElement( "Child" ); + if ( child2 ) + { + // Finally do something useful. + @endverbatim + + And that doesn't even cover "else" cases. XMLHandle addresses the verbosity + of such code. A XMLHandle checks for null pointers so it is perfectly safe + and correct to use: + + @verbatim + XMLHandle docHandle( &document ); + XMLElement* child2 = docHandle.FirstChildElement( "Document" ).FirstChildElement( "Element" ).FirstChildElement().NextSiblingElement(); + if ( child2 ) + { + // do something useful + @endverbatim + + Which is MUCH more concise and useful. + + It is also safe to copy handles - internally they are nothing more than node pointers. + @verbatim + XMLHandle handleCopy = handle; + @endverbatim + + See also XMLConstHandle, which is the same as XMLHandle, but operates on const objects. +*/ + class TINYXML2_LIB XMLHandle + { + public: + /// Create a handle from any node (at any depth of the tree.) This can be a null pointer. + explicit XMLHandle( XMLNode* node ) : _node( node ) { + } + /// Create a handle from a node. + explicit XMLHandle( XMLNode& node ) : _node( &node ) { + } + /// Copy constructor + XMLHandle( const XMLHandle& ref ) : _node( ref._node ) { + } + /// Assignment + XMLHandle& operator=( const XMLHandle& ref ) { + _node = ref._node; + return *this; + } + + /// Get the first child of this handle. + XMLHandle FirstChild() { + return XMLHandle( _node ? _node->FirstChild() : 0 ); + } + /// Get the first child element of this handle. + XMLHandle FirstChildElement( const char* name = 0 ) { + return XMLHandle( _node ? _node->FirstChildElement( name ) : 0 ); + } + /// Get the last child of this handle. + XMLHandle LastChild() { + return XMLHandle( _node ? _node->LastChild() : 0 ); + } + /// Get the last child element of this handle. + XMLHandle LastChildElement( const char* name = 0 ) { + return XMLHandle( _node ? _node->LastChildElement( name ) : 0 ); + } + /// Get the previous sibling of this handle. + XMLHandle PreviousSibling() { + return XMLHandle( _node ? _node->PreviousSibling() : 0 ); + } + /// Get the previous sibling element of this handle. + XMLHandle PreviousSiblingElement( const char* name = 0 ) { + return XMLHandle( _node ? _node->PreviousSiblingElement( name ) : 0 ); + } + /// Get the next sibling of this handle. + XMLHandle NextSibling() { + return XMLHandle( _node ? _node->NextSibling() : 0 ); + } + /// Get the next sibling element of this handle. + XMLHandle NextSiblingElement( const char* name = 0 ) { + return XMLHandle( _node ? _node->NextSiblingElement( name ) : 0 ); + } + + /// Safe cast to XMLNode. This can return null. + XMLNode* ToNode() { + return _node; + } + /// Safe cast to XMLElement. This can return null. + XMLElement* ToElement() { + return ( _node ? _node->ToElement() : 0 ); + } + /// Safe cast to XMLText. This can return null. + XMLText* ToText() { + return ( _node ? _node->ToText() : 0 ); + } + /// Safe cast to XMLUnknown. This can return null. + XMLUnknown* ToUnknown() { + return ( _node ? _node->ToUnknown() : 0 ); + } + /// Safe cast to XMLDeclaration. This can return null. + XMLDeclaration* ToDeclaration() { + return ( _node ? _node->ToDeclaration() : 0 ); + } + + private: + XMLNode* _node; + }; + + +/** + A variant of the XMLHandle class for working with const XMLNodes and Documents. It is the + same in all regards, except for the 'const' qualifiers. See XMLHandle for API. +*/ + class TINYXML2_LIB XMLConstHandle + { + public: + explicit XMLConstHandle( const XMLNode* node ) : _node( node ) { + } + explicit XMLConstHandle( const XMLNode& node ) : _node( &node ) { + } + XMLConstHandle( const XMLConstHandle& ref ) : _node( ref._node ) { + } + + XMLConstHandle& operator=( const XMLConstHandle& ref ) { + _node = ref._node; + return *this; + } + + const XMLConstHandle FirstChild() const { + return XMLConstHandle( _node ? _node->FirstChild() : 0 ); + } + const XMLConstHandle FirstChildElement( const char* name = 0 ) const { + return XMLConstHandle( _node ? _node->FirstChildElement( name ) : 0 ); + } + const XMLConstHandle LastChild() const { + return XMLConstHandle( _node ? _node->LastChild() : 0 ); + } + const XMLConstHandle LastChildElement( const char* name = 0 ) const { + return XMLConstHandle( _node ? _node->LastChildElement( name ) : 0 ); + } + const XMLConstHandle PreviousSibling() const { + return XMLConstHandle( _node ? _node->PreviousSibling() : 0 ); + } + const XMLConstHandle PreviousSiblingElement( const char* name = 0 ) const { + return XMLConstHandle( _node ? _node->PreviousSiblingElement( name ) : 0 ); + } + const XMLConstHandle NextSibling() const { + return XMLConstHandle( _node ? _node->NextSibling() : 0 ); + } + const XMLConstHandle NextSiblingElement( const char* name = 0 ) const { + return XMLConstHandle( _node ? _node->NextSiblingElement( name ) : 0 ); + } + + + const XMLNode* ToNode() const { + return _node; + } + const XMLElement* ToElement() const { + return ( _node ? _node->ToElement() : 0 ); + } + const XMLText* ToText() const { + return ( _node ? _node->ToText() : 0 ); + } + const XMLUnknown* ToUnknown() const { + return ( _node ? _node->ToUnknown() : 0 ); + } + const XMLDeclaration* ToDeclaration() const { + return ( _node ? _node->ToDeclaration() : 0 ); + } + + private: + const XMLNode* _node; + }; + + +/** + Printing functionality. The XMLPrinter gives you more + options than the XMLDocument::Print() method. + + It can: + -# Print to memory. + -# Print to a file you provide. + -# Print XML without a XMLDocument. + + Print to Memory + + @verbatim + XMLPrinter printer; + doc.Print( &printer ); + SomeFunction( printer.CStr() ); + @endverbatim + + Print to a File + + You provide the file pointer. + @verbatim + XMLPrinter printer( fp ); + doc.Print( &printer ); + @endverbatim + + Print without a XMLDocument + + When loading, an XML parser is very useful. However, sometimes + when saving, it just gets in the way. The code is often set up + for streaming, and constructing the DOM is just overhead. + + The Printer supports the streaming case. The following code + prints out a trivially simple XML file without ever creating + an XML document. + + @verbatim + XMLPrinter printer( fp ); + printer.OpenElement( "foo" ); + printer.PushAttribute( "foo", "bar" ); + printer.CloseElement(); + @endverbatim +*/ + class TINYXML2_LIB XMLPrinter : public XMLVisitor + { + public: + enum EscapeAposCharsInAttributes { + ESCAPE_APOS_CHARS_IN_ATTRIBUTES, + DONT_ESCAPE_APOS_CHARS_IN_ATTRIBUTES + }; + + /** Construct the printer. If the FILE* is specified, + this will print to the FILE. Else it will print + to memory, and the result is available in CStr(). + If 'compact' is set to true, then output is created + with only required whitespace and newlines. + */ + XMLPrinter( FILE* file=0, bool compact = false, int depth = 0, EscapeAposCharsInAttributes aposInAttributes = ESCAPE_APOS_CHARS_IN_ATTRIBUTES ); + virtual ~XMLPrinter() {} + + /** If streaming, write the BOM and declaration. */ + void PushHeader( bool writeBOM, bool writeDeclaration ); + /** If streaming, start writing an element. + The element must be closed with CloseElement() + */ + void OpenElement( const char* name, bool compactMode=false ); + /// If streaming, add an attribute to an open element. + void PushAttribute( const char* name, const char* value ); + void PushAttribute( const char* name, int value ); + void PushAttribute( const char* name, unsigned value ); + void PushAttribute( const char* name, int64_t value ); + void PushAttribute( const char* name, uint64_t value ); + void PushAttribute( const char* name, bool value ); + void PushAttribute( const char* name, double value ); + /// If streaming, close the Element. + virtual void CloseElement( bool compactMode=false ); + + /// Add a text node. + void PushText( const char* text, bool cdata=false ); + /// Add a text node from an integer. + void PushText( int value ); + /// Add a text node from an unsigned. + void PushText( unsigned value ); + /// Add a text node from a signed 64bit integer. + void PushText( int64_t value ); + /// Add a text node from an unsigned 64bit integer. + void PushText( uint64_t value ); + /// Add a text node from a bool. + void PushText( bool value ); + /// Add a text node from a float. + void PushText( float value ); + /// Add a text node from a double. + void PushText( double value ); + + /// Add a comment + void PushComment( const char* comment ); + + void PushDeclaration( const char* value ); + void PushUnknown( const char* value ); + + virtual bool VisitEnter( const XMLDocument& /*doc*/ ) override; + virtual bool VisitExit( const XMLDocument& /*doc*/ ) override { + return true; + } + + virtual bool VisitEnter( const XMLElement& element, const XMLAttribute* attribute ) override; + virtual bool VisitExit( const XMLElement& element ) override; + + virtual bool Visit( const XMLText& text ) override; + virtual bool Visit( const XMLComment& comment ) override; + virtual bool Visit( const XMLDeclaration& declaration ) override; + virtual bool Visit( const XMLUnknown& unknown ) override; + + /** + If in print to memory mode, return a pointer to + the XML file in memory. + */ + const char* CStr() const { + return _buffer.Mem(); + } + /** + If in print to memory mode, return the size + of the XML file in memory. (Note the size returned + includes the terminating null.) + */ + size_t CStrSize() const { + return _buffer.Size(); + } + /** + If in print to memory mode, reset the buffer to the + beginning. + */ + void ClearBuffer( bool resetToFirstElement = true ) { + _buffer.Clear(); + _buffer.Push(0); + _firstElement = resetToFirstElement; + } + + protected: + virtual bool CompactMode( const XMLElement& ) { return _compactMode; } + + /** Prints out the space before an element. You may override to change + the space and tabs used. A PrintSpace() override should call Print(). + */ + virtual void PrintSpace( int depth ); + virtual void Print( const char* format, ... ); + virtual void Write( const char* data, size_t size ); + virtual void Putc( char ch ); + + inline void Write(const char* data) { Write(data, strlen(data)); } + + void SealElementIfJustOpened(); + bool _elementJustOpened; + DynArray< const char*, 10 > _stack; + + private: + /** + Prepares to write a new node. This includes sealing an element that was + just opened, and writing any whitespace necessary if not in compact mode. + */ + void PrepareForNewNode( bool compactMode ); + void PrintString( const char*, bool restrictedEntitySet ); // prints out, after detecting entities. + + bool _firstElement; + FILE* _fp; + int _depth; + int _textDepth; + bool _processEntities; + bool _compactMode; + + enum { + ENTITY_RANGE = 64, + BUF_SIZE = 200 + }; + bool _entityFlag[ENTITY_RANGE]; + bool _restrictedEntityFlag[ENTITY_RANGE]; + + DynArray< char, 20 > _buffer; + + // Prohibit cloning, intentionally not implemented + XMLPrinter( const XMLPrinter& ); + XMLPrinter& operator=( const XMLPrinter& ); + }; + + +} // namespace tinyxml2 + +#if defined(_MSC_VER) +# pragma warning(pop) +#endif + +#endif // TINYXML2_INCLUDED \ No newline at end of file