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/*
* Copyright 2007-2009 Ben Boeckel <MathStuf@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file sigmod/XmlReader.h
*/
#ifndef SIGMOD_XMLREADER
#define SIGMOD_XMLREADER
// Sigcore includes
#include <sigcore/Fraction.h>
#include <sigcore/Matrix.h>
#include <sigcore/Script.h>
// Sigmod includes
#include "Global.h"
// Qt includes
#include <QtCore/QBuffer>
#include <QtCore/QPoint>
#include <QtCore/QStringList>
#include <QtCore/QVariant>
#include <QtCore/QVarLengthArray>
#include <QtGui/QPainterPath>
#include <QtXml/QDomElement>
// C includes
#include <climits>
namespace Sigmod
{
template<typename T> inline SIGMOD_NO_EXPORT void loadValue(const QDomElement& xml, T* value)
{
*value = QVariant(xml.firstChild().toText().data()).value<T>();
}
template<> inline SIGMOD_NO_EXPORT void loadValue<bool>(const QDomElement& xml, bool* value)
{
*value = (xml.firstChild().toText().data() == "true");
}
template<> inline SIGMOD_NO_EXPORT void loadValue<int>(const QDomElement& xml, int* value)
{
*value = xml.firstChild().toText().data().toInt();
}
template<> inline SIGMOD_NO_EXPORT void loadValue<Sigcore::Fraction>(const QDomElement& xml, Sigcore::Fraction* value)
{
value->set(xml.attribute("numerator", "1").toInt(), xml.attribute("denominator", "1").toInt());
value->reduce();
}
template<> inline SIGMOD_NO_EXPORT void loadValue<QPoint>(const QDomElement& xml, QPoint* value)
{
value->setX(xml.attribute("x", "0").toInt());
value->setY(xml.attribute("y", "0").toInt());
}
template<> inline SIGMOD_NO_EXPORT void loadValue<QPainterPath>(const QDomElement& xml, QPainterPath* value)
{
QDataStream stream(QByteArray::fromBase64(xml.firstChild().toText().data().toUtf8()));
stream >> *value;
}
template<> inline SIGMOD_NO_EXPORT void loadValue<QByteArray>(const QDomElement& xml, QByteArray* value)
{
*value = QByteArray::fromBase64(xml.firstChild().toText().data().toUtf8());
}
template<> inline SIGMOD_NO_EXPORT void loadValue<Sigcore::Script>(const QDomElement& xml, Sigcore::Script* value)
{
value->setInterpreter(xml.attribute("interpreter", ""));
value->setScript(xml.firstChild().toText().data());
}
template<typename T> inline SIGMOD_NO_EXPORT void loadEnum(const QDomElement& xml, T* value, const QStringList& array)
{
*value = static_cast<T>(array.indexOf(xml.firstChild().toText().data()));
}
template<typename T, int S> inline SIGMOD_NO_EXPORT void loadArray(const QDomElement& xml, QVarLengthArray<T, S>* value)
{
QDomElement node = xml.firstChildElement("element");
while (!node.isNull())
{
int index = node.attribute("index", "-1").toInt();
if ((0 <= index) && (index < value->size()))
loadValue(node, value->data() + index);
node = node.nextSiblingElement("element");
}
}
inline SIGMOD_NO_EXPORT void loadList(const QDomElement& xml, QList<int>* value)
{
QDomElement node = xml.firstChildElement("element");
int element;
while (!node.isNull())
{
loadValue(node, &element);
if (!value->contains(element))
value->append(element);
node = node.nextSiblingElement("element");
}
}
template<typename T> inline SIGMOD_NO_EXPORT void loadMap(const QDomElement& xml, QMap<int, T>* value, const QString& valueName)
{
QDomElement node = xml.firstChildElement("element");
int key;
T keyValue;
while (!node.isNull())
{
loadValue(node.firstChildElement("key"), &key);
loadValue(node.firstChildElement(valueName), &keyValue);
(*value)[key] = keyValue;
node = node.nextSiblingElement("element");
}
}
template<typename T> inline SIGMOD_NO_EXPORT void loadMatrix(const QDomElement& xml, Sigcore::Matrix<T>* value)
{
int height = xml.attribute("height", "1").toInt();
int width = xml.attribute("width", "1").toInt();
value->resize(width, height);
QDomElement node = xml.firstChildElement("element");
while (!node.isNull())
{
int row = node.attribute("row", "-1").toInt();
int column = node.attribute("column", "-1").toInt();
if ((0 <= row) && (row < height) && (0 <= column) && (column < width))
loadValue(node, &value->operator()(row, column));
node = node.nextSiblingElement("element");
}
}
template<typename T> inline SIGMOD_NO_EXPORT QDomElement saveValue(const QString& name, const T& value)
{
QDomDocument doc;
QDomElement element = doc.createElement(name);
element.appendChild(doc.createTextNode(QVariant::fromValue<T>(value).toString()));
return element;
}
template<> inline SIGMOD_NO_EXPORT QDomElement saveValue<bool>(const QString& name, const bool& value)
{
QDomDocument doc;
QDomElement element = doc.createElement(name);
element.appendChild(doc.createTextNode(value ? "true" : "false"));
return element;
}
template<> inline SIGMOD_NO_EXPORT QDomElement saveValue<int>(const QString& name, const int& value)
{
QDomDocument doc;
QDomElement element = doc.createElement(name);
element.appendChild(doc.createTextNode(QString::number(value)));
return element;
}
template<> inline SIGMOD_NO_EXPORT QDomElement saveValue<QString>(const QString& name, const QString& value)
{
QDomDocument doc;
QDomElement element = doc.createElement(name);
element.appendChild(doc.createTextNode(value));
return element;
}
template<> inline SIGMOD_NO_EXPORT QDomElement saveValue<Sigcore::Fraction>(const QString& name, const Sigcore::Fraction& value)
{
QDomDocument doc;
QDomElement element = doc.createElement(name);
element.setAttribute("numerator", value.numerator());
element.setAttribute("denominator", value.denominator());
return element;
}
template<> inline SIGMOD_NO_EXPORT QDomElement saveValue<QPoint>(const QString& name, const QPoint& value)
{
QDomDocument doc;
QDomElement element = doc.createElement(name);
element.setAttribute("x", value.x());
element.setAttribute("y", value.y());
return element;
}
template<> inline SIGMOD_NO_EXPORT QDomElement saveValue<QPainterPath>(const QString& name, const QPainterPath& value)
{
QByteArray array;
QDataStream stream(&array, QIODevice::WriteOnly);
stream << value;
QDomDocument doc;
QDomElement element = doc.createElement(name);
element.appendChild(doc.createTextNode(array.toBase64()));
return element;
}
template<> inline SIGMOD_NO_EXPORT QDomElement saveValue<QByteArray>(const QString& name, const QByteArray& value)
{
QDomDocument doc;
QDomElement element = doc.createElement(name);
element.appendChild(doc.createTextNode(value.toBase64()));
return element;
}
template<> inline SIGMOD_NO_EXPORT QDomElement saveValue<Sigcore::Script>(const QString& name, const Sigcore::Script& value)
{
QDomDocument doc;
QDomElement element = doc.createElement(name);
element.setAttribute("interpreter", value.interpreter());
element.appendChild(doc.createCDATASection(value.script()));
return element;
}
template<typename T> inline SIGMOD_NO_EXPORT QDomElement saveEnum(const QString& name, const T& value, const QStringList& array)
{
return saveValue<QString>(name, array[value]);
}
template<typename T, int S> inline SIGMOD_NO_EXPORT QDomElement saveArray(const QString& name, const QVarLengthArray<T, S>& value)
{
QDomDocument doc;
QDomElement element = doc.createElement(name);
for (int i = 0; i < value.size(); ++i)
{
QDomElement valueElement = saveValue("element", value[i]);
element.appendChild(valueElement);
valueElement.setAttribute("index", QString::number(i));
}
return element;
}
inline SIGMOD_NO_EXPORT QDomElement saveList(const QString& name, const QList<int>& value)
{
QDomDocument doc;
QDomElement element = doc.createElement(name);
for (int i = 0; i < value.size(); ++i)
element.appendChild(saveValue("element", value.at(i)));
return element;
}
template<typename T> inline SIGMOD_NO_EXPORT QDomElement saveMap(const QString& name, const QMap<int, T>& value, const QString& valueName)
{
QDomDocument doc;
QDomElement element = doc.createElement(name);
const QList<int> keys = value.keys();
foreach (int key, keys)
{
QDomElement data = doc.createElement("element");
data.appendChild(saveValue("key", key));
data.appendChild(saveValue(valueName, value[key]));
element.appendChild(data);
}
return element;
}
template<typename T> inline SIGMOD_NO_EXPORT QDomElement saveMatrix(const QString& name, const Sigcore::Matrix<T>& value)
{
QDomDocument doc;
QDomElement element = doc.createElement(name);
element.setAttribute("height", value.height());
element.setAttribute("width", value.width());
for (int i = 0; i < value.height(); ++i)
{
for (int j = 0; j < value.width(); ++j)
{
QDomElement valueElement = saveValue("element", value(i, j));
valueElement.setAttribute("row", QString::number(i));
valueElement.setAttribute("column", QString::number(j));
element.appendChild(valueElement);
}
}
return element;
}
}
#endif
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