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/*
Miranda NG: the free IM client for Microsoft* Windows*
Copyright (C) 2012-19 Miranda NG team (https://miranda-ng.org)
Copyright (c) 2000-08 Miranda ICQ/IM project,
all portions of this codebase are copyrighted to the people
listed in contributors.txt.
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 2
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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef M_XML_H__
#define M_XML_H__
#include <tchar.h>
#include <m_core.h>
/////////////////////////////////////////////////////////////////////////////////////////
// new API to replace the old one
#ifdef MIR_CORE_EXPORTS
#define TINYXML2_EXPORT 1
#else
#define TINYXML2_IMPORT 1
#endif
#include "../src/mir_core/src/tinyxml2.h"
typedef tinyxml2::XMLNode TiXmlNode;
typedef tinyxml2::XMLText TiXmlText;
typedef tinyxml2::XMLElement TiXmlElement;
typedef tinyxml2::XMLDocument TiXmlDocument;
typedef tinyxml2::XMLHandle TiXmlHandle;
typedef tinyxml2::XMLConstHandle TiXmlConst;
/////////////////////////////////////////////////////////////////////////////////////////
// safe wrappers
EXTERN_C MIR_CORE_DLL(int) XmlGetChildCount(const TiXmlElement*);
EXTERN_C MIR_CORE_DLL(TiXmlElement*) XmlAddChild(TiXmlElement*, const char *pszName);
EXTERN_C MIR_CORE_DLL(TiXmlElement*) XmlAddChildA(TiXmlElement*, const char *pszName, const char *ptszValue);
EXTERN_C MIR_CORE_DLL(TiXmlElement*) XmlAddChildI(TiXmlElement*, const char *pszName, int iValue);
EXTERN_C MIR_CORE_DLL(int) XmlGetChildInt(const TiXmlElement *hXml, const char *key);
EXTERN_C MIR_CORE_DLL(const char*) XmlGetChildText(const TiXmlElement *hXml, const char *key);
EXTERN_C MIR_CORE_DLL(const TiXmlElement*) XmlGetChildByTag(const TiXmlElement *hXml, const char *key, const char *attrName, const char *attrValue);
EXTERN_C MIR_CORE_DLL(const TiXmlElement*) XmlFirstChild(const TiXmlElement *hXml, const char *key = nullptr);
EXTERN_C MIR_CORE_DLL(void) XmlAddAttr(TiXmlElement*, const char *pszName, const char *ptszValue);
EXTERN_C MIR_CORE_DLL(const char*) XmlGetAttr(const TiXmlElement*, const char *pszName);
/////////////////////////////////////////////////////////////////////////////////////////
// simple element iterator
//
// allows traversing subnodes in a cycle like
// for (auto *pNode : TiXmlEnum(pRoot)) {
class TiXmlIterator
{
const TiXmlElement *m_pCurr;
public:
TiXmlIterator(const TiXmlElement *pNode) :
m_pCurr(pNode)
{
}
TiXmlIterator& operator=(const TiXmlElement *pNode)
{
m_pCurr = pNode;
return *this;
}
// Prefix ++ overload
TiXmlIterator& operator++()
{
if (m_pCurr)
m_pCurr = m_pCurr->NextSiblingElement();
return *this;
}
const TiXmlElement* operator*()
{
return m_pCurr;
}
bool operator!=(const TiXmlIterator &iterator)
{
return m_pCurr != iterator.m_pCurr;
}
};
class TiXmlEnum
{
const TiXmlElement *m_pFirst;
public:
TiXmlEnum(const TiXmlNode *pNode)
{
m_pFirst = (pNode) ? pNode->FirstChildElement() : nullptr;
}
TiXmlIterator begin()
{
return TiXmlIterator(m_pFirst);
}
TiXmlIterator end()
{
return TiXmlIterator(nullptr);
}
};
/////////////////////////////////////////////////////////////////////////////////////////
// filtered element iterator
//
// allows traversing subnodes of the specified name in a cycle like
// for (auto *pNode : TiXmlFilter(pRoot, "element")) {
class TiXmlFilterIterator
{
const TiXmlElement *m_pCurr;
const char *m_pszFilter;
public:
TiXmlFilterIterator(const TiXmlElement *pNode, const char *pszNodeName) :
m_pszFilter(pszNodeName),
m_pCurr(pNode)
{
}
TiXmlFilterIterator& operator=(const TiXmlElement *pNode)
{
m_pCurr = pNode;
return *this;
}
// Prefix ++ overload
TiXmlFilterIterator& operator++()
{
if (m_pCurr)
m_pCurr = m_pCurr->NextSiblingElement(m_pszFilter);
return *this;
}
const TiXmlElement* operator*()
{
return m_pCurr;
}
bool operator!=(const TiXmlFilterIterator &iterator)
{
return m_pCurr != iterator.m_pCurr;
}
};
class TiXmlFilter
{
const TiXmlElement *m_pFirst;
const char *m_pszFilter;
public:
TiXmlFilter(const TiXmlNode *pNode, const char *pszNodeName) :
m_pszFilter(pszNodeName)
{
m_pFirst = (pNode) ? pNode->FirstChildElement(pszNodeName) : nullptr;
}
TiXmlFilterIterator begin()
{
return TiXmlFilterIterator(m_pFirst, m_pszFilter);
}
TiXmlFilterIterator end()
{
return TiXmlFilterIterator(nullptr, nullptr);
}
};
#endif // M_XML_H__
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