pugixml

使用pugixml库需要三个文件:pugiconfig.hpp pugixml.cpp pugixml.hpp
pugixml.hpp代码添加在最后。
全是代码

写入文件-使用实例：

	#include "../pugixml/pugixml.hpp"//2024.2.29 add 写入参数值到文件中
void MainFrame::SaveBrg(CString Path)
{CString iniPath = Path.Left(Path.ReverseFind('.')) + _T(".ini");if (access(CStringA(Path), 0) == 0)//文件存在{//是否覆盖文件if(1){remove(CStringA(Path));//移除文件}else{return;//直接返回}}//将文件保存m_pEchoCAMView->OnSaveFile(Path);if (access(CStringA(iniPath), 0) == 0)//文件存在{//nim_comp::MsgboxCallback cb = nbase::Bind(&MainFrame::MsgCB_MarkFail, this, std::placeholders::_1);nim_comp::ShowMsgBox(GetHWND(), NULL, L"STRID_MAINFRAME_MSG_FILEEXISTS", true,L"STRING_TIPS", true, L"STRING_YES", true, L"STRING_NO", true);/*if (!m_bOrNot)return;*/}pugi::xml_document doc;pugi::xml_parse_result result = doc.load_file(iniPath);pugi::xml_node node_file = doc.child("iEcho_Brg");if (!node_file)//没找到这个子节点{OutputDebugString(L"保存ini文件--没找到iEcho_Brg子节点");return;}pugi::xml_node node_param = node_file.child("ParamSetting");if (node_param)//存在这个子节点{node_file.remove_child(node_param);//移除，防止出现相同节点}//输出参数设置pugi::xml_node nood_Setting = node_file.append_child("ParamSetting");nood_Setting.append_attribute("Arrary_NumY") = stoi(m_edit_ArrayY->GetText());						//Y阵列数量float _fp = stof(m_edit_ArrayYDist->GetText());int _ip = round(_fp * 100);nood_Setting.append_attribute("Arrary_GapY") = _ip;													//Y阵列间距nood_Setting.append_attribute("CutTimes") = stoi(m_edit_CutTimes->GetText());						//切割次数 _fp = stof(m_edit_shootTargetSkipDis->GetText());_ip = round(_fp * 100);nood_Setting.append_attribute("ShootTargetSkipDis") = _ip;											//色标跳距 nood_Setting.append_attribute("FindGapNum") = stoi(m_edit_findgapnum->GetText());					//寻标间隔_fp = stof(m_edit_PageDist->GetText());_ip = round(_fp * 100);nood_Setting.append_attribute("PageDistance") = _ip;												//页面间距_fp = stof(m_edit_ydistance->GetText());_ip = round(_fp * 100);nood_Setting.append_attribute("YDistance") = _ip;													//Y向分距pugi::xml_node nood_Check = nood_Setting.append_child("Check");nood_Check.append_attribute("Check_KeyBorad") = stoi(GetConfig(_T("NewCheckState"), _T("KeyBoard"), _T("1"), m_strConfigPath.c_str(), INI_READ));	//键盘复选框nood_Check.append_attribute("Check_FineTun") = stoi(GetConfig(_T("NewCheckState"), _T("FineTun"), _T("1"), m_strConfigPath.c_str(), INI_READ));		//微调复选框nood_Check.append_attribute("Check_FindMark") = stoi(GetConfig(_T("NewCheckState"), _T("FindMark"), _T("1"), m_strConfigPath.c_str(), INI_READ));	//寻标复选框pugi::xml_node nood_KnifePara = nood_Setting.append_child("KnifePara");nood_KnifePara.append_attribute("dkPres1") = stoi(GetConfig(_T("NewAddAllSet"), _T("dkPres1"), _T("1"), m_strConfigPath.c_str(), INI_READ));	//dk1压力nood_KnifePara.append_attribute("dkPres2") = stoi(GetConfig(_T("NewAddAllSet"), _T("dkPres2"), _T("1"), m_strConfigPath.c_str(), INI_READ));	//dk2压力nood_KnifePara.append_attribute("dkPres3") = stoi(GetConfig(_T("NewAddAllSet"), _T("dkPres3"), _T("1"), m_strConfigPath.c_str(), INI_READ));	//dk3压力nood_KnifePara.append_attribute("dkPres4") = stoi(GetConfig(_T("NewAddAllSet"), _T("dkPres4"), _T("1"), m_strConfigPath.c_str(), INI_READ));	//dk4压力_fp = stof(GetConfig(_T("NewAddAllSet"), _T("distanceValue2"), _T("0"), m_strConfigPath.c_str(), INI_READ));_ip = round(_fp * 100);nood_KnifePara.append_attribute("distanceValue2") = _ip;	//2分距微调值_fp = stof(GetConfig(_T("NewAddAllSet"), _T("distanceValue3"), _T("0"), m_strConfigPath.c_str(), INI_READ));_ip = round(_fp * 100);nood_KnifePara.append_attribute("distanceValue3") = _ip;	//3分距微调值_fp = stof(GetConfig(_T("NewAddAllSet"), _T("distanceValue4"), _T("0"), m_strConfigPath.c_str(), INI_READ));_ip = round(_fp * 100);nood_KnifePara.append_attribute("distanceValue4") = _ip;	//4分距微调值pugi::xml_node nood_TenV = nood_Setting.append_child("TenV");_fp = stof(GetConfig(_T("NewAddAllSet"), _T("StripV"), _T("1"), m_strConfigPath.c_str(), INI_READ));_ip = round(_fp * 100);nood_TenV.append_attribute("FeedV") = _ip;	//送料速度_fp = stof(GetConfig(_T("NewAddAllSet"), _T("StripLen"), _T("1"), m_strConfigPath.c_str(), INI_READ));_ip = round(_fp * 100);nood_TenV.append_attribute("StripLen") = _ip;//分条长度nood_TenV.append_attribute("DisTen") = stoi(GetConfig(_T("NewAddAllSet"), _T("DisTen"), _T("20"), m_strConfigPath.c_str(), INI_READ));	//放料张力nood_TenV.append_attribute("FilmTen") = stoi(GetConfig(_T("NewAddAllSet"), _T("FilmTen"), _T("20"), m_strConfigPath.c_str(), INI_READ));	//覆膜张力nood_TenV.append_attribute("ReceMaterrightTen") = stoi(GetConfig(_T("NewAddAllSet"), _T("ReceMaterRightTen"), _T("20"), m_strConfigPath.c_str(), INI_READ));	//收料张力nood_TenV.append_attribute("DichargeTen") = stoi(GetConfig(_T("NewAddAllSet"), _T("DichargeTen"), _T("20"), m_strConfigPath.c_str(), INI_READ));	//排废张力nood_TenV.append_attribute("Dzhsten") = stoi(GetConfig(_T("NewAddAllSet"), _T("DzhsTen"), _T("20"), m_strConfigPath.c_str(), INI_READ));	//底纸张力_fp = stof(GetConfig(_T("NewAddAllSet"), _T("CutV"), _T("1"), m_strConfigPath.c_str(), INI_READ));_ip = round(_fp * 100);nood_TenV.append_attribute("CutV") = _ip;	//切割速度_fp = stof(GetConfig(_T("NewAddAllSet"), _T("EmptyMoveV"), _T("1"), m_strConfigPath.c_str(), INI_READ));_ip = round(_fp * 100);nood_TenV.append_attribute("EmptyMoveV") = _ip;	//空行速度_fp = stof(GetConfig(_T("NewAddAllSet"), _T("CutAcc"), _T("1"), m_strConfigPath.c_str(), INI_READ));_ip = round(_fp * 100);nood_TenV.append_attribute("CutAcc") = _ip;	//切割加速度_fp = stof(GetConfig(_T("NewAddAllSet"), _T("EmptyMoveAcc"), _T("1"), m_strConfigPath.c_str(), INI_READ));_ip = round(_fp * 100);nood_TenV.append_attribute("EmptyMoveAcc") = _ip;	//空行加速度pugi::xml_node nood_Axis = nood_Setting.append_child("Axis");_fp = stof(GetConfig(_T("NewAddAllSet"), _T("Xaxis"), _T("0.00"), m_strConfigPath.c_str(), INI_READ));_ip = round(_fp * 100);nood_Axis.append_attribute("XAxis") = _ip;	//X轴偏移_fp = stof(GetConfig(_T("NewAddAllSet"), _T("Yaxis"), _T("0.00"), m_strConfigPath.c_str(), INI_READ));_ip = round(_fp * 100);nood_Axis.append_attribute("YAxis") = _ip;	//Y轴偏移doc.save_file(iniPath);
}

上面代码运行显示xml文件内容如下：

<?xml version="1.0"?>
<iEcho_Brg><ParamSetting Arrary_NumY="5" Arrary_GapY="650" CutTimes="10" ShootTargetSkipDis="8100" FindGapNum="1" PageDistance="1000" YDistance="12100"><Check Check_KeyBorad="1" Check_FineTun="1" Check_FindMark="1" /><KnifePara dkPres1="1" dkPres2="1" dkPres3="1" dkPres4="1" distanceValue2="20" distanceValue3="20" distanceValue4="80" /><TenV FeedV="10" StripLen="100" DisTen="20" FilmTen="30" ReceMaterrightTen="30" DichargeTen="22" Dzhsten="20" CutV="100" EmptyMoveV="100" CutAcc="100" EmptyMoveAcc="100" /><Axis XAxis="-6500" YAxis="1000" /></ParamSetting>
</iEcho_Brg>

读取文件-实例：

//2024.2.29 add 读取文件中的参数
void MainFrame::OnReadIniParam(std::wstring filePath)
{CString tempPath = filePath.c_str();//wstring 转为CStringCString iniPath = tempPath.Left(tempPath.ReverseFind('.')) + _T(".ini");if (access(CStringA(iniPath), 0) == 0)//文件存在{pugi::xml_document doc;if (!doc.load_file(iniPath)) {//加载ini文件失败OutputDebugString(L"加载ini文件失败");return;}pugi::xml_node iEchoBrgNode = doc.child("iEcho_Brg");if (!iEchoBrgNode) {//iEcho_Brg 节点未找到OutputDebugString(L"iEcho_Brg节点未找到");return;}std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;pugi::xml_node paramSettingNode = iEchoBrgNode.child("ParamSetting");if (!paramSettingNode) {//ParamSetting节点未找到OutputDebugString(L"ParamSetting节点未找到");return;}m_edit_ArrayY->SetText(converter.from_bytes(paramSettingNode.attribute("Arrary_NumY").value()));//1 Y阵列数量m_edit_ArrayYDist->SetText(IntToWstring(paramSettingNode.attribute("Arrary_GapY").as_int()));//2 Y阵列间距m_edit_CutTimes->SetText(converter.from_bytes(paramSettingNode.attribute("CutTimes").value()));//3 切割次数m_edit_shootTargetSkipDis->SetText(IntToWstring(paramSettingNode.attribute("ShootTargetSkipDis").as_int()));//4 色标跳距m_edit_findgapnum->SetText(converter.from_bytes(paramSettingNode.attribute("FindGapNum").value()));//5 寻标版数m_edit_PageDist->SetText(IntToWstring(paramSettingNode.attribute("PageDistance").as_int()));//6 页面间距m_edit_ydistance->SetText(IntToWstring(paramSettingNode.attribute("YDistance").as_int()));//7 Y向分距// 读取Check节点的属性值 暂时不设置pugi::xml_node checkNode = paramSettingNode.child("Check");//...//// 读取KnifePara节点的属性值pugi::xml_node knifeParaNode = paramSettingNode.child("KnifePara");if(knifeParaNode)m_pMachineSetting->SetKnife(knifeParaNode);elseOutputDebugString(L"KnifePara节点未找到");// 读取TenV节点的属性值pugi::xml_node tenVNode = paramSettingNode.child("TenV");if (tenVNode) m_pMachineSetting->SetParamVAndTem(tenVNode);elseOutputDebugString(L"TenV节点未找到");// 读取Axis节点的属性值pugi::xml_node axisNode = paramSettingNode.child("Axis");if (axisNode)m_pMachineSetting->SetAxis(axisNode);elseOutputDebugString(L"Axis节点未找到");}
}

pugixml.hpp

/*** pugixml parser - version 1.8* --------------------------------------------------------* Copyright (C) 2006-2016, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)* Report bugs and download new versions at http://pugixml.org/** This library is distributed under the MIT License. See notice at the end* of this file.** This work is based on the pugxml parser, which is:* Copyright (C) 2003, by Kristen Wegner (kristen@tima.net)*/#ifndef PUGIXML_VERSION
// Define version macro; evaluates to major * 100 + minor so that it's safe to use in less-than comparisons
#	define PUGIXML_VERSION 180
#endif// Include user configuration file (this can define various configuration macros)
#include "pugiconfig.hpp"#ifndef HEADER_PUGIXML_HPP
#define HEADER_PUGIXML_HPP// Include stddef.h for size_t and ptrdiff_t
#include <stddef.h>// Include exception header for XPath
#if !defined(PUGIXML_NO_XPATH) && !defined(PUGIXML_NO_EXCEPTIONS)
#	include <exception>
#endif// Include STL headers
#ifndef PUGIXML_NO_STL
#	include <iterator>
#	include <iosfwd>
#	include <string>
#endif// Macro for deprecated features
#ifndef PUGIXML_DEPRECATED
#	if defined(__GNUC__)
#		define PUGIXML_DEPRECATED __attribute__((deprecated))
#	elif defined(_MSC_VER) && _MSC_VER >= 1300
#		define PUGIXML_DEPRECATED __declspec(deprecated)
#	else
#		define PUGIXML_DEPRECATED
#	endif
#endif// If no API is defined, assume default
#ifndef PUGIXML_API
#	define PUGIXML_API
#endif// If no API for classes is defined, assume default
#ifndef PUGIXML_CLASS
#	define PUGIXML_CLASS PUGIXML_API
#endif// If no API for functions is defined, assume default
#ifndef PUGIXML_FUNCTION
#	define PUGIXML_FUNCTION PUGIXML_API
#endif// If the platform is known to have long long support, enable long long functions
#ifndef PUGIXML_HAS_LONG_LONG
#	if __cplusplus >= 201103
#		define PUGIXML_HAS_LONG_LONG
#	elif defined(_MSC_VER) && _MSC_VER >= 1400
#		define PUGIXML_HAS_LONG_LONG
#	endif
#endif// If the platform is known to have move semantics support, compile move ctor/operator implementation
#ifndef PUGIXML_HAS_MOVE
#	if __cplusplus >= 201103
#		define PUGIXML_HAS_MOVE
#	elif defined(_MSC_VER) && _MSC_VER >= 1600
#		define PUGIXML_HAS_MOVE
#	endif
#endif// If C++ is 2011 or higher, add 'override' qualifiers
#ifndef PUGIXML_OVERRIDE
#	if __cplusplus >= 201103
#		define PUGIXML_OVERRIDE override
#	else
#		define PUGIXML_OVERRIDE
#	endif
#endif// Character interface macros
#ifdef PUGIXML_WCHAR_MODE
#	define PUGIXML_TEXT(t) L ## t
#	define PUGIXML_CHAR wchar_t
#else
#	define PUGIXML_TEXT(t) t
#	define PUGIXML_CHAR char
#endifnamespace pugi
{// Character type used for all internal storage and operations; depends on PUGIXML_WCHAR_MODEtypedef PUGIXML_CHAR char_t;#ifndef PUGIXML_NO_STL// String type used for operations that work with STL string; depends on PUGIXML_WCHAR_MODEtypedef std::basic_string<PUGIXML_CHAR, std::char_traits<PUGIXML_CHAR>, std::allocator<PUGIXML_CHAR> > string_t;
#endif
}// The PugiXML namespace
namespace pugi
{// Tree node typesenum xml_node_type{node_null,			// Empty (null) node handlenode_document,		// A document tree's absolute rootnode_element,		// Element tag, i.e. '<node/>'node_pcdata,		// Plain character data, i.e. 'text'node_cdata,			// Character data, i.e. '<![CDATA[text]]>'node_comment,		// Comment tag, i.e. '<!-- text -->'node_pi,			// Processing instruction, i.e. '<?name?>'node_declaration,	// Document declaration, i.e. '<?xml version="1.0"?>'node_doctype		// Document type declaration, i.e. '<!DOCTYPE doc>'};// Parsing options// Minimal parsing mode (equivalent to turning all other flags off).// Only elements and PCDATA sections are added to the DOM tree, no text conversions are performed.const unsigned int parse_minimal = 0x0000;// This flag determines if processing instructions (node_pi) are added to the DOM tree. This flag is off by default.const unsigned int parse_pi = 0x0001;// This flag determines if comments (node_comment) are added to the DOM tree. This flag is off by default.const unsigned int parse_comments = 0x0002;// This flag determines if CDATA sections (node_cdata) are added to the DOM tree. This flag is on by default.const unsigned int parse_cdata = 0x0004;// This flag determines if plain character data (node_pcdata) that consist only of whitespace are added to the DOM tree.// This flag is off by default; turning it on usually results in slower parsing and more memory consumption.const unsigned int parse_ws_pcdata = 0x0008;// This flag determines if character and entity references are expanded during parsing. This flag is on by default.const unsigned int parse_escapes = 0x0010;// This flag determines if EOL characters are normalized (converted to #xA) during parsing. This flag is on by default.const unsigned int parse_eol = 0x0020;// This flag determines if attribute values are normalized using CDATA normalization rules during parsing. This flag is on by default.const unsigned int parse_wconv_attribute = 0x0040;// This flag determines if attribute values are normalized using NMTOKENS normalization rules during parsing. This flag is off by default.const unsigned int parse_wnorm_attribute = 0x0080;// This flag determines if document declaration (node_declaration) is added to the DOM tree. This flag is off by default.const unsigned int parse_declaration = 0x0100;// This flag determines if document type declaration (node_doctype) is added to the DOM tree. This flag is off by default.const unsigned int parse_doctype = 0x0200;// This flag determines if plain character data (node_pcdata) that is the only child of the parent node and that consists only// of whitespace is added to the DOM tree.// This flag is off by default; turning it on may result in slower parsing and more memory consumption.const unsigned int parse_ws_pcdata_single = 0x0400;// This flag determines if leading and trailing whitespace is to be removed from plain character data. This flag is off by default.const unsigned int parse_trim_pcdata = 0x0800;// This flag determines if plain character data that does not have a parent node is added to the DOM tree, and if an empty document// is a valid document. This flag is off by default.const unsigned int parse_fragment = 0x1000;// This flag determines if plain character data is be stored in the parent element's value. This significantly changes the structure of// the document; this flag is only recommended for parsing documents with many PCDATA nodes in memory-constrained environments.// This flag is off by default.const unsigned int parse_embed_pcdata = 0x2000;// The default parsing mode.// Elements, PCDATA and CDATA sections are added to the DOM tree, character/reference entities are expanded,// End-of-Line characters are normalized, attribute values are normalized using CDATA normalization rules.const unsigned int parse_default = parse_cdata | parse_escapes | parse_wconv_attribute | parse_eol;// The full parsing mode.// Nodes of all types are added to the DOM tree, character/reference entities are expanded,// End-of-Line characters are normalized, attribute values are normalized using CDATA normalization rules.const unsigned int parse_full = parse_default | parse_pi | parse_comments | parse_declaration | parse_doctype;// These flags determine the encoding of input data for XML documentenum xml_encoding{encoding_auto,		// Auto-detect input encoding using BOM or < / <? detection; use UTF8 if BOM is not foundencoding_utf8,		// UTF8 encodingencoding_utf16_le,	// Little-endian UTF16encoding_utf16_be,	// Big-endian UTF16encoding_utf16,		// UTF16 with native endiannessencoding_utf32_le,	// Little-endian UTF32encoding_utf32_be,	// Big-endian UTF32encoding_utf32,		// UTF32 with native endiannessencoding_wchar,		// The same encoding wchar_t has (either UTF16 or UTF32)encoding_latin1};// Formatting flags// Indent the nodes that are written to output stream with as many indentation strings as deep the node is in DOM tree. This flag is on by default.const unsigned int format_indent = 0x01;// Write encoding-specific BOM to the output stream. This flag is off by default.const unsigned int format_write_bom = 0x02;// Use raw output mode (no indentation and no line breaks are written). This flag is off by default.const unsigned int format_raw = 0x04;// Omit default XML declaration even if there is no declaration in the document. This flag is off by default.const unsigned int format_no_declaration = 0x08;// Don't escape attribute values and PCDATA contents. This flag is off by default.const unsigned int format_no_escapes = 0x10;// Open file using text mode in xml_document::save_file. This enables special character (i.e. new-line) conversions on some systems. This flag is off by default.const unsigned int format_save_file_text = 0x20;// Write every attribute on a new line with appropriate indentation. This flag is off by default.const unsigned int format_indent_attributes = 0x40;// Don't output empty element tags, instead writing an explicit start and end tag even if there are no children. This flag is off by default.const unsigned int format_no_empty_element_tags = 0x80;// The default set of formatting flags.// Nodes are indented depending on their depth in DOM tree, a default declaration is output if document has none.const unsigned int format_default = format_indent;// Forward declarationsstruct xml_attribute_struct;struct xml_node_struct;class xml_node_iterator;class xml_attribute_iterator;class xml_named_node_iterator;class xml_tree_walker;struct xml_parse_result;class xml_node;class xml_text;#ifndef PUGIXML_NO_XPATHclass xpath_node;class xpath_node_set;class xpath_query;class xpath_variable_set;#endif// Range-based for loop supporttemplate <typename It> class xml_object_range{public:typedef It const_iterator;typedef It iterator;xml_object_range(It b, It e): _begin(b), _end(e){}It begin() const { return _begin; }It end() const { return _end; }private:It _begin, _end;};// Writer interface for node printing (see xml_node::print)class PUGIXML_CLASS xml_writer{public:virtual ~xml_writer() {}// Write memory chunk into stream/file/whatevervirtual void write(const void* data, size_t size) = 0;};// xml_writer implementation for FILE*class PUGIXML_CLASS xml_writer_file: public xml_writer{public:// Construct writer from a FILE* object; void* is used to avoid header dependencies on stdioxml_writer_file(void* file);virtual void write(const void* data, size_t size) PUGIXML_OVERRIDE;private:void* file;};#ifndef PUGIXML_NO_STL// xml_writer implementation for streamsclass PUGIXML_CLASS xml_writer_stream: public xml_writer{public:// Construct writer from an output stream objectxml_writer_stream(std::basic_ostream<char, std::char_traits<char> >& stream);xml_writer_stream(std::basic_ostream<wchar_t, std::char_traits<wchar_t> >& stream);virtual void write(const void* data, size_t size) PUGIXML_OVERRIDE;private:std::basic_ostream<char, std::char_traits<char> >* narrow_stream;std::basic_ostream<wchar_t, std::char_traits<wchar_t> >* wide_stream;};#endif// A light-weight handle for manipulating attributes in DOM treeclass PUGIXML_CLASS xml_attribute{friend class xml_attribute_iterator;friend class xml_node;private:xml_attribute_struct* _attr;typedef void (*unspecified_bool_type)(xml_attribute***);public:// Default constructor. Constructs an empty attribute.xml_attribute();// Constructs attribute from internal pointerexplicit xml_attribute(xml_attribute_struct* attr);// Safe bool conversion operatoroperator unspecified_bool_type() const;// Borland C++ workaroundbool operator!() const;// Comparison operators (compares wrapped attribute pointers)bool operator==(const xml_attribute& r) const;bool operator!=(const xml_attribute& r) const;bool operator<(const xml_attribute& r) const;bool operator>(const xml_attribute& r) const;bool operator<=(const xml_attribute& r) const;bool operator>=(const xml_attribute& r) const;// Check if attribute is emptybool empty() const;// Get attribute name/value, or "" if attribute is emptyconst char_t* name() const;const char_t* value() const;// Get attribute value, or the default value if attribute is emptyconst char_t* as_string(const char_t* def = PUGIXML_TEXT("")) const;// Get attribute value as a number, or the default value if conversion did not succeed or attribute is emptyint as_int(int def = 0) const;unsigned int as_uint(unsigned int def = 0) const;double as_double(double def = 0) const;float as_float(float def = 0) const;#ifdef PUGIXML_HAS_LONG_LONGlong long as_llong(long long def = 0) const;unsigned long long as_ullong(unsigned long long def = 0) const;#endif// Get attribute value as bool (returns true if first character is in '1tTyY' set), or the default value if attribute is emptybool as_bool(bool def = false) const;// Set attribute name/value (returns false if attribute is empty or there is not enough memory)bool set_name(const char_t* rhs);bool set_value(const char_t* rhs);// Set attribute value with type conversion (numbers are converted to strings, boolean is converted to "true"/"false")bool set_value(int rhs);bool set_value(unsigned int rhs);bool set_value(long rhs);bool set_value(unsigned long rhs);bool set_value(double rhs);bool set_value(float rhs);bool set_value(bool rhs);#ifdef PUGIXML_HAS_LONG_LONGbool set_value(long long rhs);bool set_value(unsigned long long rhs);#endif// Set attribute value (equivalent to set_value without error checking)xml_attribute& operator=(const char_t* rhs);xml_attribute& operator=(int rhs);xml_attribute& operator=(unsigned int rhs);xml_attribute& operator=(long rhs);xml_attribute& operator=(unsigned long rhs);xml_attribute& operator=(double rhs);xml_attribute& operator=(float rhs);xml_attribute& operator=(bool rhs);#ifdef PUGIXML_HAS_LONG_LONGxml_attribute& operator=(long long rhs);xml_attribute& operator=(unsigned long long rhs);#endif// Get next/previous attribute in the attribute list of the parent nodexml_attribute next_attribute() const;xml_attribute previous_attribute() const;// Get hash value (unique for handles to the same object)size_t hash_value() const;// Get internal pointerxml_attribute_struct* internal_object() const;};#ifdef __BORLANDC__// Borland C++ workaroundbool PUGIXML_FUNCTION operator&&(const xml_attribute& lhs, bool rhs);bool PUGIXML_FUNCTION operator||(const xml_attribute& lhs, bool rhs);
#endif// A light-weight handle for manipulating nodes in DOM treeclass PUGIXML_CLASS xml_node{friend class xml_attribute_iterator;friend class xml_node_iterator;friend class xml_named_node_iterator;protected:xml_node_struct* _root;typedef void (*unspecified_bool_type)(xml_node***);public:// Default constructor. Constructs an empty node.xml_node();// Constructs node from internal pointerexplicit xml_node(xml_node_struct* p);// Safe bool conversion operatoroperator unspecified_bool_type() const;// Borland C++ workaroundbool operator!() const;// Comparison operators (compares wrapped node pointers)bool operator==(const xml_node& r) const;bool operator!=(const xml_node& r) const;bool operator<(const xml_node& r) const;bool operator>(const xml_node& r) const;bool operator<=(const xml_node& r) const;bool operator>=(const xml_node& r) const;// Check if node is empty.bool empty() const;// Get node typexml_node_type type() const;// Get node name, or "" if node is empty or it has no nameconst char_t* name() const;// Get node value, or "" if node is empty or it has no value// Note: For <node>text</node> node.value() does not return "text"! Use child_value() or text() methods to access text inside nodes.const char_t* value() const;// Get attribute listxml_attribute first_attribute() const;xml_attribute last_attribute() const;// Get children listxml_node first_child() const;xml_node last_child() const;// Get next/previous sibling in the children list of the parent nodexml_node next_sibling() const;xml_node previous_sibling() const;// Get parent nodexml_node parent() const;// Get root of DOM tree this node belongs toxml_node root() const;// Get text object for the current nodexml_text text() const;// Get child, attribute or next/previous sibling with the specified namexml_node child(const char_t* name) const;xml_attribute attribute(const char_t* name) const;xml_node next_sibling(const char_t* name) const;xml_node previous_sibling(const char_t* name) const;// Get attribute, starting the search from a hint (and updating hint so that searching for a sequence of attributes is fast)xml_attribute attribute(const char_t* name, xml_attribute& hint) const;// Get child value of current node; that is, value of the first child node of type PCDATA/CDATAconst char_t* child_value() const;// Get child value of child with specified name. Equivalent to child(name).child_value().const char_t* child_value(const char_t* name) const;// Set node name/value (returns false if node is empty, there is not enough memory, or node can not have name/value)bool set_name(const char_t* rhs);bool set_value(const char_t* rhs);// Add attribute with specified name. Returns added attribute, or empty attribute on errors.xml_attribute append_attribute(const char_t* name);xml_attribute prepend_attribute(const char_t* name);xml_attribute insert_attribute_after(const char_t* name, const xml_attribute& attr);xml_attribute insert_attribute_before(const char_t* name, const xml_attribute& attr);// Add a copy of the specified attribute. Returns added attribute, or empty attribute on errors.xml_attribute append_copy(const xml_attribute& proto);xml_attribute prepend_copy(const xml_attribute& proto);xml_attribute insert_copy_after(const xml_attribute& proto, const xml_attribute& attr);xml_attribute insert_copy_before(const xml_attribute& proto, const xml_attribute& attr);// Add child node with specified type. Returns added node, or empty node on errors.xml_node append_child(xml_node_type type = node_element);xml_node prepend_child(xml_node_type type = node_element);xml_node insert_child_after(xml_node_type type, const xml_node& node);xml_node insert_child_before(xml_node_type type, const xml_node& node);// Add child element with specified name. Returns added node, or empty node on errors.xml_node append_child(const char_t* name);xml_node prepend_child(const char_t* name);xml_node insert_child_after(const char_t* name, const xml_node& node);xml_node insert_child_before(const char_t* name, const xml_node& node);// Add a copy of the specified node as a child. Returns added node, or empty node on errors.xml_node append_copy(const xml_node& proto);xml_node prepend_copy(const xml_node& proto);xml_node insert_copy_after(const xml_node& proto, const xml_node& node);xml_node insert_copy_before(const xml_node& proto, const xml_node& node);// Move the specified node to become a child of this node. Returns moved node, or empty node on errors.xml_node append_move(const xml_node& moved);xml_node prepend_move(const xml_node& moved);xml_node insert_move_after(const xml_node& moved, const xml_node& node);xml_node insert_move_before(const xml_node& moved, const xml_node& node);// Remove specified attributebool remove_attribute(const xml_attribute& a);bool remove_attribute(const char_t* name);// Remove specified childbool remove_child(const xml_node& n);bool remove_child(const char_t* name);// Parses buffer as an XML document fragment and appends all nodes as children of the current node.// Copies/converts the buffer, so it may be deleted or changed after the function returns.// Note: append_buffer allocates memory that has the lifetime of the owning document; removing the appended nodes does not immediately reclaim that memory.xml_parse_result append_buffer(const void* contents, size_t size, unsigned int options = parse_default, xml_encoding encoding = encoding_auto);// Find attribute using predicate. Returns first attribute for which predicate returned true.template <typename Predicate> xml_attribute find_attribute(Predicate pred) const{if (!_root) return xml_attribute();for (xml_attribute attrib = first_attribute(); attrib; attrib = attrib.next_attribute())if (pred(attrib))return attrib;return xml_attribute();}// Find child node using predicate. Returns first child for which predicate returned true.template <typename Predicate> xml_node find_child(Predicate pred) const{if (!_root) return xml_node();for (xml_node node = first_child(); node; node = node.next_sibling())if (pred(node))return node;return xml_node();}// Find node from subtree using predicate. Returns first node from subtree (depth-first), for which predicate returned true.template <typename Predicate> xml_node find_node(Predicate pred) const{if (!_root) return xml_node();xml_node cur = first_child();while (cur._root && cur._root != _root){if (pred(cur)) return cur;if (cur.first_child()) cur = cur.first_child();else if (cur.next_sibling()) cur = cur.next_sibling();else{while (!cur.next_sibling() && cur._root != _root) cur = cur.parent();if (cur._root != _root) cur = cur.next_sibling();}}return xml_node();}// Find child node by attribute name/valuexml_node find_child_by_attribute(const char_t* name, const char_t* attr_name, const char_t* attr_value) const;xml_node find_child_by_attribute(const char_t* attr_name, const char_t* attr_value) const;#ifndef PUGIXML_NO_STL// Get the absolute node path from root as a text string.string_t path(char_t delimiter = '/') const;#endif// Search for a node by path consisting of node names and . or .. elements.xml_node first_element_by_path(const char_t* path, char_t delimiter = '/') const;// Recursively traverse subtree with xml_tree_walkerbool traverse(xml_tree_walker& walker);#ifndef PUGIXML_NO_XPATH// Select single node by evaluating XPath query. Returns first node from the resulting node set.xpath_node select_node(const char_t* query, xpath_variable_set* variables = 0) const;xpath_node select_node(const xpath_query& query) const;// Select node set by evaluating XPath queryxpath_node_set select_nodes(const char_t* query, xpath_variable_set* variables = 0) const;xpath_node_set select_nodes(const xpath_query& query) const;// (deprecated: use select_node instead) Select single node by evaluating XPath query.xpath_node select_single_node(const char_t* query, xpath_variable_set* variables = 0) const;xpath_node select_single_node(const xpath_query& query) const;#endif// Print subtree using a writer objectvoid print(xml_writer& writer, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, xml_encoding encoding = encoding_auto, unsigned int depth = 0) const;#ifndef PUGIXML_NO_STL// Print subtree to streamvoid print(std::basic_ostream<char, std::char_traits<char> >& os, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, xml_encoding encoding = encoding_auto, unsigned int depth = 0) const;void print(std::basic_ostream<wchar_t, std::char_traits<wchar_t> >& os, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, unsigned int depth = 0) const;#endif// Child nodes iteratorstypedef xml_node_iterator iterator;iterator begin() const;iterator end() const;// Attribute iteratorstypedef xml_attribute_iterator attribute_iterator;attribute_iterator attributes_begin() const;attribute_iterator attributes_end() const;// Range-based for supportxml_object_range<xml_node_iterator> children() const;xml_object_range<xml_named_node_iterator> children(const char_t* name) const;xml_object_range<xml_attribute_iterator> attributes() const;// Get node offset in parsed file/string (in char_t units) for debugging purposesptrdiff_t offset_debug() const;// Get hash value (unique for handles to the same object)size_t hash_value() const;// Get internal pointerxml_node_struct* internal_object() const;};#ifdef __BORLANDC__// Borland C++ workaroundbool PUGIXML_FUNCTION operator&&(const xml_node& lhs, bool rhs);bool PUGIXML_FUNCTION operator||(const xml_node& lhs, bool rhs);
#endif// A helper for working with text inside PCDATA nodesclass PUGIXML_CLASS xml_text{friend class xml_node;xml_node_struct* _root;typedef void (*unspecified_bool_type)(xml_text***);explicit xml_text(xml_node_struct* root);xml_node_struct* _data_new();xml_node_struct* _data() const;public:// Default constructor. Constructs an empty object.xml_text();// Safe bool conversion operatoroperator unspecified_bool_type() const;// Borland C++ workaroundbool operator!() const;// Check if text object is emptybool empty() const;// Get text, or "" if object is emptyconst char_t* get() const;// Get text, or the default value if object is emptyconst char_t* as_string(const char_t* def = PUGIXML_TEXT("")) const;// Get text as a number, or the default value if conversion did not succeed or object is emptyint as_int(int def = 0) const;unsigned int as_uint(unsigned int def = 0) const;double as_double(double def = 0) const;float as_float(float def = 0) const;#ifdef PUGIXML_HAS_LONG_LONGlong long as_llong(long long def = 0) const;unsigned long long as_ullong(unsigned long long def = 0) const;#endif// Get text as bool (returns true if first character is in '1tTyY' set), or the default value if object is emptybool as_bool(bool def = false) const;// Set text (returns false if object is empty or there is not enough memory)bool set(const char_t* rhs);// Set text with type conversion (numbers are converted to strings, boolean is converted to "true"/"false")bool set(int rhs);bool set(unsigned int rhs);bool set(long rhs);bool set(unsigned long rhs);bool set(double rhs);bool set(float rhs);bool set(bool rhs);#ifdef PUGIXML_HAS_LONG_LONGbool set(long long rhs);bool set(unsigned long long rhs);#endif// Set text (equivalent to set without error checking)xml_text& operator=(const char_t* rhs);xml_text& operator=(int rhs);xml_text& operator=(unsigned int rhs);xml_text& operator=(long rhs);xml_text& operator=(unsigned long rhs);xml_text& operator=(double rhs);xml_text& operator=(float rhs);xml_text& operator=(bool rhs);#ifdef PUGIXML_HAS_LONG_LONGxml_text& operator=(long long rhs);xml_text& operator=(unsigned long long rhs);#endif// Get the data node (node_pcdata or node_cdata) for this objectxml_node data() const;};#ifdef __BORLANDC__// Borland C++ workaroundbool PUGIXML_FUNCTION operator&&(const xml_text& lhs, bool rhs);bool PUGIXML_FUNCTION operator||(const xml_text& lhs, bool rhs);
#endif// Child node iterator (a bidirectional iterator over a collection of xml_node)class PUGIXML_CLASS xml_node_iterator{friend class xml_node;private:mutable xml_node _wrap;xml_node _parent;xml_node_iterator(xml_node_struct* ref, xml_node_struct* parent);public:// Iterator traitstypedef ptrdiff_t difference_type;typedef xml_node value_type;typedef xml_node* pointer;typedef xml_node& reference;#ifndef PUGIXML_NO_STLtypedef std::bidirectional_iterator_tag iterator_category;#endif// Default constructorxml_node_iterator();// Construct an iterator which points to the specified nodexml_node_iterator(const xml_node& node);// Iterator operatorsbool operator==(const xml_node_iterator& rhs) const;bool operator!=(const xml_node_iterator& rhs) const;xml_node& operator*() const;xml_node* operator->() const;const xml_node_iterator& operator++();xml_node_iterator operator++(int);const xml_node_iterator& operator--();xml_node_iterator operator--(int);};// Attribute iterator (a bidirectional iterator over a collection of xml_attribute)class PUGIXML_CLASS xml_attribute_iterator{friend class xml_node;private:mutable xml_attribute _wrap;xml_node _parent;xml_attribute_iterator(xml_attribute_struct* ref, xml_node_struct* parent);public:// Iterator traitstypedef ptrdiff_t difference_type;typedef xml_attribute value_type;typedef xml_attribute* pointer;typedef xml_attribute& reference;#ifndef PUGIXML_NO_STLtypedef std::bidirectional_iterator_tag iterator_category;#endif// Default constructorxml_attribute_iterator();// Construct an iterator which points to the specified attributexml_attribute_iterator(const xml_attribute& attr, const xml_node& parent);// Iterator operatorsbool operator==(const xml_attribute_iterator& rhs) const;bool operator!=(const xml_attribute_iterator& rhs) const;xml_attribute& operator*() const;xml_attribute* operator->() const;const xml_attribute_iterator& operator++();xml_attribute_iterator operator++(int);const xml_attribute_iterator& operator--();xml_attribute_iterator operator--(int);};// Named node range helperclass PUGIXML_CLASS xml_named_node_iterator{friend class xml_node;public:// Iterator traitstypedef ptrdiff_t difference_type;typedef xml_node value_type;typedef xml_node* pointer;typedef xml_node& reference;#ifndef PUGIXML_NO_STLtypedef std::bidirectional_iterator_tag iterator_category;#endif// Default constructorxml_named_node_iterator();// Construct an iterator which points to the specified nodexml_named_node_iterator(const xml_node& node, const char_t* name);// Iterator operatorsbool operator==(const xml_named_node_iterator& rhs) const;bool operator!=(const xml_named_node_iterator& rhs) const;xml_node& operator*() const;xml_node* operator->() const;const xml_named_node_iterator& operator++();xml_named_node_iterator operator++(int);const xml_named_node_iterator& operator--();xml_named_node_iterator operator--(int);private:mutable xml_node _wrap;xml_node _parent;const char_t* _name;xml_named_node_iterator(xml_node_struct* ref, xml_node_struct* parent, const char_t* name);};// Abstract tree walker class (see xml_node::traverse)class PUGIXML_CLASS xml_tree_walker{friend class xml_node;private:int _depth;protected:// Get current traversal depthint depth() const;public:xml_tree_walker();virtual ~xml_tree_walker();// Callback that is called when traversal beginsvirtual bool begin(xml_node& node);// Callback that is called for each node traversedvirtual bool for_each(xml_node& node) = 0;// Callback that is called when traversal endsvirtual bool end(xml_node& node);};// Parsing status, returned as part of xml_parse_result objectenum xml_parse_status{status_ok = 0,				// No errorstatus_file_not_found,		// File was not found during load_file()status_io_error,			// Error reading from file/streamstatus_out_of_memory,		// Could not allocate memorystatus_internal_error,		// Internal error occurredstatus_unrecognized_tag,	// Parser could not determine tag typestatus_bad_pi,				// Parsing error occurred while parsing document declaration/processing instructionstatus_bad_comment,			// Parsing error occurred while parsing commentstatus_bad_cdata,			// Parsing error occurred while parsing CDATA sectionstatus_bad_doctype,			// Parsing error occurred while parsing document type declarationstatus_bad_pcdata,			// Parsing error occurred while parsing PCDATA sectionstatus_bad_start_element,	// Parsing error occurred while parsing start element tagstatus_bad_attribute,		// Parsing error occurred while parsing element attributestatus_bad_end_element,		// Parsing error occurred while parsing end element tagstatus_end_element_mismatch,// There was a mismatch of start-end tags (closing tag had incorrect name, some tag was not closed or there was an excessive closing tag)status_append_invalid_root,	// Unable to append nodes since root type is not node_element or node_document (exclusive to xml_node::append_buffer)status_no_document_element	// Parsing resulted in a document without element nodes};// Parsing resultstruct PUGIXML_CLASS xml_parse_result{// Parsing status (see xml_parse_status)xml_parse_status status;// Last parsed offset (in char_t units from start of input data)ptrdiff_t offset;// Source document encodingxml_encoding encoding;// Default constructor, initializes object to failed statexml_parse_result();// Cast to bool operatoroperator bool() const;// Get error descriptionconst char* description() const;};// Document class (DOM tree root)class PUGIXML_CLASS xml_document: public xml_node{private:char_t* _buffer;char _memory[192];// Non-copyable semanticsxml_document(const xml_document&);xml_document& operator=(const xml_document&);void _create();void _destroy();public:// Default constructor, makes empty documentxml_document();// Destructor, invalidates all node/attribute handles to this document~xml_document();// Removes all nodes, leaving the empty documentvoid reset();// Removes all nodes, then copies the entire contents of the specified documentvoid reset(const xml_document& proto);#ifndef PUGIXML_NO_STL// Load document from stream.xml_parse_result load(std::basic_istream<char, std::char_traits<char> >& stream, unsigned int options = parse_default, xml_encoding encoding = encoding_auto);xml_parse_result load(std::basic_istream<wchar_t, std::char_traits<wchar_t> >& stream, unsigned int options = parse_default);#endif// (deprecated: use load_string instead) Load document from zero-terminated string. No encoding conversions are applied.xml_parse_result load(const char_t* contents, unsigned int options = parse_default);// Load document from zero-terminated string. No encoding conversions are applied.xml_parse_result load_string(const char_t* contents, unsigned int options = parse_default);// Load document from filexml_parse_result load_file(const char* path, unsigned int options = parse_default, xml_encoding encoding = encoding_auto);xml_parse_result load_file(const wchar_t* path, unsigned int options = parse_default, xml_encoding encoding = encoding_auto);// Load document from buffer. Copies/converts the buffer, so it may be deleted or changed after the function returns.xml_parse_result load_buffer(const void* contents, size_t size, unsigned int options = parse_default, xml_encoding encoding = encoding_auto);// Load document from buffer, using the buffer for in-place parsing (the buffer is modified and used for storage of document data).// You should ensure that buffer data will persist throughout the document's lifetime, and free the buffer memory manually once document is destroyed.xml_parse_result load_buffer_inplace(void* contents, size_t size, unsigned int options = parse_default, xml_encoding encoding = encoding_auto);// Load document from buffer, using the buffer for in-place parsing (the buffer is modified and used for storage of document data).// You should allocate the buffer with pugixml allocation function; document will free the buffer when it is no longer needed (you can't use it anymore).xml_parse_result load_buffer_inplace_own(void* contents, size_t size, unsigned int options = parse_default, xml_encoding encoding = encoding_auto);// Save XML document to writer (semantics is slightly different from xml_node::print, see documentation for details).void save(xml_writer& writer, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, xml_encoding encoding = encoding_auto) const;#ifndef PUGIXML_NO_STL// Save XML document to stream (semantics is slightly different from xml_node::print, see documentation for details).void save(std::basic_ostream<char, std::char_traits<char> >& stream, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, xml_encoding encoding = encoding_auto) const;void save(std::basic_ostream<wchar_t, std::char_traits<wchar_t> >& stream, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default) const;#endif// Save XML to filebool save_file(const char* path, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, xml_encoding encoding = encoding_auto) const;bool save_file(const wchar_t* path, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, xml_encoding encoding = encoding_auto) const;// Get document elementxml_node document_element() const;};#ifndef PUGIXML_NO_XPATH// XPath query return typeenum xpath_value_type{xpath_type_none,	  // Unknown type (query failed to compile)xpath_type_node_set,  // Node set (xpath_node_set)xpath_type_number,	  // Numberxpath_type_string,	  // Stringxpath_type_boolean	  // Boolean};// XPath parsing resultstruct PUGIXML_CLASS xpath_parse_result{// Error message (0 if no error)const char* error;// Last parsed offset (in char_t units from string start)ptrdiff_t offset;// Default constructor, initializes object to failed statexpath_parse_result();// Cast to bool operatoroperator bool() const;// Get error descriptionconst char* description() const;};// A single XPath variableclass PUGIXML_CLASS xpath_variable{friend class xpath_variable_set;protected:xpath_value_type _type;xpath_variable* _next;xpath_variable(xpath_value_type type);// Non-copyable semanticsxpath_variable(const xpath_variable&);xpath_variable& operator=(const xpath_variable&);public:// Get variable nameconst char_t* name() const;// Get variable typexpath_value_type type() const;// Get variable value; no type conversion is performed, default value (false, NaN, empty string, empty node set) is returned on type mismatch errorbool get_boolean() const;double get_number() const;const char_t* get_string() const;const xpath_node_set& get_node_set() const;// Set variable value; no type conversion is performed, false is returned on type mismatch errorbool set(bool value);bool set(double value);bool set(const char_t* value);bool set(const xpath_node_set& value);};// A set of XPath variablesclass PUGIXML_CLASS xpath_variable_set{private:xpath_variable* _data[64];void _assign(const xpath_variable_set& rhs);void _swap(xpath_variable_set& rhs);xpath_variable* _find(const char_t* name) const;static bool _clone(xpath_variable* var, xpath_variable** out_result);static void _destroy(xpath_variable* var);public:// Default constructor/destructorxpath_variable_set();~xpath_variable_set();// Copy constructor/assignment operatorxpath_variable_set(const xpath_variable_set& rhs);xpath_variable_set& operator=(const xpath_variable_set& rhs);#ifdef PUGIXML_HAS_MOVE// Move semantics supportxpath_variable_set(xpath_variable_set&& rhs);xpath_variable_set& operator=(xpath_variable_set&& rhs);#endif// Add a new variable or get the existing one, if the types matchxpath_variable* add(const char_t* name, xpath_value_type type);// Set value of an existing variable; no type conversion is performed, false is returned if there is no such variable or if types mismatchbool set(const char_t* name, bool value);bool set(const char_t* name, double value);bool set(const char_t* name, const char_t* value);bool set(const char_t* name, const xpath_node_set& value);// Get existing variable by namexpath_variable* get(const char_t* name);const xpath_variable* get(const char_t* name) const;};// A compiled XPath query objectclass PUGIXML_CLASS xpath_query{private:void* _impl;xpath_parse_result _result;typedef void (*unspecified_bool_type)(xpath_query***);// Non-copyable semanticsxpath_query(const xpath_query&);xpath_query& operator=(const xpath_query&);public:// Construct a compiled object from XPath expression.// If PUGIXML_NO_EXCEPTIONS is not defined, throws xpath_exception on compilation errors.explicit xpath_query(const char_t* query, xpath_variable_set* variables = 0);// Constructorxpath_query();// Destructor~xpath_query();#ifdef PUGIXML_HAS_MOVE// Move semantics supportxpath_query(xpath_query&& rhs);xpath_query& operator=(xpath_query&& rhs);#endif// Get query expression return typexpath_value_type return_type() const;// Evaluate expression as boolean value in the specified context; performs type conversion if necessary.// If PUGIXML_NO_EXCEPTIONS is not defined, throws std::bad_alloc on out of memory errors.bool evaluate_boolean(const xpath_node& n) const;// Evaluate expression as double value in the specified context; performs type conversion if necessary.// If PUGIXML_NO_EXCEPTIONS is not defined, throws std::bad_alloc on out of memory errors.double evaluate_number(const xpath_node& n) const;#ifndef PUGIXML_NO_STL// Evaluate expression as string value in the specified context; performs type conversion if necessary.// If PUGIXML_NO_EXCEPTIONS is not defined, throws std::bad_alloc on out of memory errors.string_t evaluate_string(const xpath_node& n) const;#endif// Evaluate expression as string value in the specified context; performs type conversion if necessary.// At most capacity characters are written to the destination buffer, full result size is returned (includes terminating zero).// If PUGIXML_NO_EXCEPTIONS is not defined, throws std::bad_alloc on out of memory errors.// If PUGIXML_NO_EXCEPTIONS is defined, returns empty  set instead.size_t evaluate_string(char_t* buffer, size_t capacity, const xpath_node& n) const;// Evaluate expression as node set in the specified context.// If PUGIXML_NO_EXCEPTIONS is not defined, throws xpath_exception on type mismatch and std::bad_alloc on out of memory errors.// If PUGIXML_NO_EXCEPTIONS is defined, returns empty node set instead.xpath_node_set evaluate_node_set(const xpath_node& n) const;// Evaluate expression as node set in the specified context.// Return first node in document order, or empty node if node set is empty.// If PUGIXML_NO_EXCEPTIONS is not defined, throws xpath_exception on type mismatch and std::bad_alloc on out of memory errors.// If PUGIXML_NO_EXCEPTIONS is defined, returns empty node instead.xpath_node evaluate_node(const xpath_node& n) const;// Get parsing result (used to get compilation errors in PUGIXML_NO_EXCEPTIONS mode)const xpath_parse_result& result() const;// Safe bool conversion operatoroperator unspecified_bool_type() const;// Borland C++ workaroundbool operator!() const;};#ifndef PUGIXML_NO_EXCEPTIONS// XPath exception classclass PUGIXML_CLASS xpath_exception: public std::exception{private:xpath_parse_result _result;public:// Construct exception from parse resultexplicit xpath_exception(const xpath_parse_result& result);// Get error messagevirtual const char* what() const throw() PUGIXML_OVERRIDE;// Get parse resultconst xpath_parse_result& result() const;};#endif// XPath node class (either xml_node or xml_attribute)class PUGIXML_CLASS xpath_node{private:xml_node _node;xml_attribute _attribute;typedef void (*unspecified_bool_type)(xpath_node***);public:// Default constructor; constructs empty XPath nodexpath_node();// Construct XPath node from XML node/attributexpath_node(const xml_node& node);xpath_node(const xml_attribute& attribute, const xml_node& parent);// Get node/attribute, if anyxml_node node() const;xml_attribute attribute() const;// Get parent of contained node/attributexml_node parent() const;// Safe bool conversion operatoroperator unspecified_bool_type() const;// Borland C++ workaroundbool operator!() const;// Comparison operatorsbool operator==(const xpath_node& n) const;bool operator!=(const xpath_node& n) const;};#ifdef __BORLANDC__// Borland C++ workaroundbool PUGIXML_FUNCTION operator&&(const xpath_node& lhs, bool rhs);bool PUGIXML_FUNCTION operator||(const xpath_node& lhs, bool rhs);
#endif// A fixed-size collection of XPath nodesclass PUGIXML_CLASS xpath_node_set{public:// Collection typeenum type_t{type_unsorted,			// Not orderedtype_sorted,			// Sorted by document order (ascending)type_sorted_reverse		// Sorted by document order (descending)};// Constant iterator typetypedef const xpath_node* const_iterator;// We define non-constant iterator to be the same as constant iterator so that various generic algorithms (i.e. boost foreach) worktypedef const xpath_node* iterator;// Default constructor. Constructs empty set.xpath_node_set();// Constructs a set from iterator range; data is not checked for duplicates and is not sorted according to provided type, so be carefulxpath_node_set(const_iterator begin, const_iterator end, type_t type = type_unsorted);// Destructor~xpath_node_set();// Copy constructor/assignment operatorxpath_node_set(const xpath_node_set& ns);xpath_node_set& operator=(const xpath_node_set& ns);#ifdef PUGIXML_HAS_MOVE// Move semantics supportxpath_node_set(xpath_node_set&& rhs);xpath_node_set& operator=(xpath_node_set&& rhs);#endif// Get collection typetype_t type() const;// Get collection sizesize_t size() const;// Indexing operatorconst xpath_node& operator[](size_t index) const;// Collection iteratorsconst_iterator begin() const;const_iterator end() const;// Sort the collection in ascending/descending order by document ordervoid sort(bool reverse = false);// Get first node in the collection by document orderxpath_node first() const;// Check if collection is emptybool empty() const;private:type_t _type;xpath_node _storage;xpath_node* _begin;xpath_node* _end;void _assign(const_iterator begin, const_iterator end, type_t type);void _move(xpath_node_set& rhs);};
#endif#ifndef PUGIXML_NO_STL// Convert wide string to UTF8std::basic_string<char, std::char_traits<char>, std::allocator<char> > PUGIXML_FUNCTION as_utf8(const wchar_t* str);std::basic_string<char, std::char_traits<char>, std::allocator<char> > PUGIXML_FUNCTION as_utf8(const std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >& str);// Convert UTF8 to wide stringstd::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > PUGIXML_FUNCTION as_wide(const char* str);std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > PUGIXML_FUNCTION as_wide(const std::basic_string<char, std::char_traits<char>, std::allocator<char> >& str);
#endif// Memory allocation function interface; returns pointer to allocated memory or NULL on failuretypedef void* (*allocation_function)(size_t size);// Memory deallocation function interfacetypedef void (*deallocation_function)(void* ptr);// Override default memory management functions. All subsequent allocations/deallocations will be performed via supplied functions.void PUGIXML_FUNCTION set_memory_management_functions(allocation_function allocate, deallocation_function deallocate);// Get current memory management functionsallocation_function PUGIXML_FUNCTION get_memory_allocation_function();deallocation_function PUGIXML_FUNCTION get_memory_deallocation_function();
}#if !defined(PUGIXML_NO_STL) && (defined(_MSC_VER) || defined(__ICC))
namespace std
{// Workarounds for (non-standard) iterator category detection for older versions (MSVC7/IC8 and earlier)std::bidirectional_iterator_tag PUGIXML_FUNCTION _Iter_cat(const pugi::xml_node_iterator&);std::bidirectional_iterator_tag PUGIXML_FUNCTION _Iter_cat(const pugi::xml_attribute_iterator&);std::bidirectional_iterator_tag PUGIXML_FUNCTION _Iter_cat(const pugi::xml_named_node_iterator&);
}
#endif#if !defined(PUGIXML_NO_STL) && defined(__SUNPRO_CC)
namespace std
{// Workarounds for (non-standard) iterator category detectionstd::bidirectional_iterator_tag PUGIXML_FUNCTION __iterator_category(const pugi::xml_node_iterator&);std::bidirectional_iterator_tag PUGIXML_FUNCTION __iterator_category(const pugi::xml_attribute_iterator&);std::bidirectional_iterator_tag PUGIXML_FUNCTION __iterator_category(const pugi::xml_named_node_iterator&);
}
#endif#endif// Make sure implementation is included in header-only mode
// Use macro expansion in #include to work around QMake (QTBUG-11923)
#if defined(PUGIXML_HEADER_ONLY) && !defined(PUGIXML_SOURCE)
#	define PUGIXML_SOURCE "pugixml.cpp"
#	include PUGIXML_SOURCE
#endif/*** Copyright (c) 2006-2016 Arseny Kapoulkine** Permission is hereby granted, free of charge, to any person* obtaining a copy of this software and associated documentation* files (the "Software"), to deal in the Software without* restriction, including without limitation the rights to use,* copy, modify, merge, publish, distribute, sublicense, and/or sell* copies of the Software, and to permit persons to whom the* Software is furnished to do so, subject to the following* conditions:** The above copyright notice and this permission notice shall be* included in all copies or substantial portions of the Software.** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR* OTHER DEALINGS IN THE SOFTWARE.*/