/** * pugixml parser - version 1.9 * -------------------------------------------------------- * Copyright (C) 2006-2018, 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 190#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 'noexcept' specifiers#ifndef PUGIXML_NOEXCEPT#	if __cplusplus >= 201103#		define PUGIXML_NOEXCEPT noexcept#	elif defined(_MSC_VER) && _MSC_VER >= 1900#		define PUGIXML_NOEXCEPT noexcept#	else#		define PUGIXML_NOEXCEPT#	endif#endif // Some functions can not be noexcept in compact mode#ifdef PUGIXML_COMPACT#	define PUGIXML_NOEXCEPT_IF_NOT_COMPACT#else#	define PUGIXML_NOEXCEPT_IF_NOT_COMPACT PUGIXML_NOEXCEPT#endif // If C++ is 2011 or higher, add 'override' qualifiers#ifndef PUGIXML_OVERRIDE#	if __cplusplus >= 201103#		define PUGIXML_OVERRIDE override#	elif defined(_MSC_VER) && _MSC_VER >= 1700#		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#endif namespace pugi{	// Character type used for all internal storage and operations; depends on PUGIXML_WCHAR_MODE	typedef PUGIXML_CHAR char_t; #ifndef PUGIXML_NO_STL	// String type used for operations that work with STL string; depends on PUGIXML_WCHAR_MODE	typedef std::basic_string<PUGIXML_CHAR, std::char_traits<PUGIXML_CHAR>, std::allocator<PUGIXML_CHAR> > string_t;#endif} // The PugiXML namespacenamespace pugi{	// Tree node types	enum xml_node_type	{		node_null,			// Empty (null) node handle		node_document,		// A document tree's absolute root		node_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 document	enum xml_encoding	{		encoding_auto,		// Auto-detect input encoding using BOM or < / <? detection; use UTF8 if BOM is not found		encoding_utf8,		// UTF8 encoding		encoding_utf16_le,	// Little-endian UTF16		encoding_utf16_be,	// Big-endian UTF16		encoding_utf16,		// UTF16 with native endianness		encoding_utf32_le,	// Little-endian UTF32		encoding_utf32_be,	// Big-endian UTF32		encoding_utf32,		// UTF32 with native endianness		encoding_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 declarations	struct 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_XPATH	class xpath_node;	class xpath_node_set;	class xpath_query;	class xpath_variable_set;	#endif 	// Range-based for loop support	template <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/whatever		virtual 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 stdio		xml_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 streams	class PUGIXML_CLASS xml_writer_stream: public xml_writer	{	public:		// Construct writer from an output stream object		xml_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 tree	class 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 pointer		explicit xml_attribute(xml_attribute_struct* attr); 		// Safe bool conversion operator		operator unspecified_bool_type() const; 		// Borland C++ workaround		bool 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 empty		bool empty() const; 		// Get attribute name/value, or "" if attribute is empty		const char_t* name() const;		const char_t* value() const; 		// Get attribute value, or the default value if attribute is empty		const 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 empty		int 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_LONG		long 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 empty		bool 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_LONG		bool 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_LONG		xml_attribute& operator=(long long rhs);		xml_attribute& operator=(unsigned long long rhs);	#endif 		// Get next/previous attribute in the attribute list of the parent node		xml_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 pointer		xml_attribute_struct* internal_object() const;	}; #ifdef __BORLANDC__	// Borland C++ workaround	bool 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 tree	class 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 pointer		explicit xml_node(xml_node_struct* p); 		// Safe bool conversion operator		operator unspecified_bool_type() const; 		// Borland C++ workaround		bool 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 type		xml_node_type type() const; 		// Get node name, or "" if node is empty or it has no name		const 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 list		xml_attribute first_attribute() const;		xml_attribute last_attribute() const; 		// Get children list		xml_node first_child() const;		xml_node last_child() const; 		// Get next/previous sibling in the children list of the parent node

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