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// **************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
// * Copyright (C) 2008-2011 ZenJu (zhnmju123 AT gmx.de) *
// **************************************************************************
//
#ifndef XMLBASE_H_INCLUDED
#define XMLBASE_H_INCLUDED
#include <string>
#include <vector>
#include "tinyxml/tinyxml.h"
#include "string_tools.h"
#include <wx/string.h>
#include "xml_error.h"
namespace xmlAccess
{
/* Init XML document:
TiXmlDocument doc;
TiXmlDeclaration* decl = new TiXmlDeclaration("1.0", "UTF-8", "");
doc.LinkEndChild(decl); //ownership passed
TiXmlElement* root = new TiXmlElement("HeaderName");
doc.LinkEndChild(root);
*/
void loadXmlDocument(const wxString& fileName, TiXmlDocument& document); //throw (XmlError)
void saveXmlDocument(const wxString& fileName, const TiXmlDocument& document); //throw (XmlError)
#ifndef TIXML_USE_STL
#error we need this macro
#endif
//------------------------------------------------------------------------------------------
//small helper functions
template <class T>
bool readXmlElement(const std::string& name, const TiXmlElement* parent, T& output);
bool readXmlElement(const std::string& name, const TiXmlElement* parent, std::string& output);
bool readXmlElement(const std::string& name, const TiXmlElement* parent, wxString& output);
bool readXmlElement(const std::string& name, const TiXmlElement* parent, bool& output);
bool readXmlElement(const std::string& name, const TiXmlElement* parent, std::vector<wxString>& output);
template <class T>
void addXmlElement(const std::string& name, T value, TiXmlElement* parent);
void addXmlElement(const std::string& name, const std::string& value, TiXmlElement* parent);
void addXmlElement(const std::string& name, const wxString& value, TiXmlElement* parent);
void addXmlElement(const std::string& name, const bool value, TiXmlElement* parent);
void addXmlElement(const std::string& name, const std::vector<wxString>& value, TiXmlElement* parent);
template <class T>
bool readXmlAttribute(const std::string& name, const TiXmlElement* node, T& output);
bool readXmlAttribute(const std::string& name, const TiXmlElement* node, std::string& output);
bool readXmlAttribute(const std::string& name, const TiXmlElement* node, wxString& output);
bool readXmlAttribute(const std::string& name, const TiXmlElement* node, bool& output);
template <class T>
void addXmlAttribute(const std::string& name, T value, TiXmlElement* node);
void addXmlAttribute(const std::string& name, const std::string& value, TiXmlElement* node);
void addXmlAttribute(const std::string& name, const wxString& value, TiXmlElement* node);
void addXmlAttribute(const std::string& name, const bool value, TiXmlElement* node);
class XmlErrorLogger
{
public:
virtual ~XmlErrorLogger() {}
void logError(const std::string& nodeName);
bool errorsOccurred() const { return !failedNodes.empty(); }
const wxString getErrorMessageFormatted() const;
//another level of indirection: if errors occur during xml parsing they are logged
template <class T>
void readXmlElementLogging(const std::string& name, const TiXmlElement* parent, T& output)
{
if (!readXmlElement(name, parent, output))
logError(name);
}
template <class T>
void readXmlAttributeLogging(const std::string& name, const TiXmlElement* node, T& output)
{
if (!readXmlAttribute(name, node, output))
logError(name);
}
private:
std::vector<wxString> failedNodes;
};
}
class TiXmlHandleConst //like TiXmlHandle but respecting "const TiXmlElement*"
{
public:
TiXmlHandleConst(const TiXmlElement* element) : m_element(element) {}
TiXmlHandleConst FirstChild(const char* name) const
{
return TiXmlHandleConst(m_element != NULL ? m_element->FirstChildElement(name) : NULL);
}
const TiXmlElement* ToElement() const { return m_element; }
private:
const TiXmlElement* const m_element;
};
//++++++++++++++ inline implementation +++++++++++++++++++++++++++++++++++++++
template <class T>
inline
bool xmlAccess::readXmlElement(const std::string& name, const TiXmlElement* parent, T& output)
{
std::string temp;
if (!readXmlElement(name, parent, temp))
return false;
output = zen::toNumber<T>(temp);
return true;
}
template <class T>
inline
void xmlAccess::addXmlElement(const std::string& name, T value, TiXmlElement* parent)
{
addXmlElement(name, zen::toString<std::string>(value), parent);
}
template <class T>
inline
bool xmlAccess::readXmlAttribute(const std::string& name, const TiXmlElement* node, T& output)
{
std::string dummy;
if (readXmlAttribute(name, node, dummy))
{
output = zen::toNumber<T>(dummy);
return true;
}
else
return false;
}
template <class T>
inline
void xmlAccess::addXmlAttribute(const std::string& name, T value, TiXmlElement* node)
{
addXmlAttribute(name, zen::toString<std::string>(value), node);
}
#endif // XMLBASE_H_INCLUDED
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