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Diffstat (limited to 'plugins/UserInfoEx/ex_import/tinyxml.h')
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diff --git a/plugins/UserInfoEx/ex_import/tinyxml.h b/plugins/UserInfoEx/ex_import/tinyxml.h new file mode 100644 index 0000000000..b8246f4953 --- /dev/null +++ b/plugins/UserInfoEx/ex_import/tinyxml.h @@ -0,0 +1,1597 @@ +/* +www.sourceforge.net/projects/tinyxml +Original code (2.0 and earlier)copyright (c) 2000-2002 Lee Thomason (www.grinninglizard.com) + +This software is provided 'as-is', without any express or implied +warranty. In no event will the authors be held liable for any +damages arising from the use of this software. + +Permission is granted to anyone to use this software for any +purpose, including commercial applications, and to alter it and +redistribute it freely, subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must +not claim that you wrote the original software. If you use this +software in a product, an acknowledgment in the product documentation +would be appreciated but is not required. + +2. Altered source versions must be plainly marked as such, and +must not be misrepresented as being the original software. + +3. This notice may not be removed or altered from any source +distribution. + +=============================================================================== + +UserinfoEx plugin for Miranda IM + +Copyright: +ฉ 2006-2010 DeathAxe, Yasnovidyashii, Merlin, K. Romanov, Kreol + +File name : $HeadURL: https://userinfoex.googlecode.com/svn/trunk/ex_import/tinyxml.h $ +Revision : $Revision: 187 $ +Last change on : $Date: 2010-09-08 16:05:54 +0400 (ะกั, 08 ัะตะฝ 2010) $ +Last change by : $Author: ing.u.horn $ + +=============================================================================== +*/ + + +#ifndef TINYXML_INCLUDED +#define TINYXML_INCLUDED + +#ifdef _MSC_VER +#pragma warning(push) +#pragma warning(disable : 4530) +#pragma warning(disable : 4786) +#endif + +#ifndef USE_MMGR +#include <ctype.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> +#endif + +// Help out windows: +#if defined(_DEBUG) && !defined(DEBUG) +#define DEBUG +#endif + +#ifdef TIXML_USE_TICPP + #ifndef TIXML_USE_STL + #define TIXML_USE_STL + #endif +#endif + +#ifdef TIXML_USE_STL + #include <string> + #include <iostream> + #include <sstream> + #define TIXML_STRING std::string + #define TIXML_ISTREAM std::istream + #define TIXML_OSTREAM std::ostream + #define TIXML_ENDL std::endl +#else + #include "tinystr.h" + #define TIXML_STRING TiXmlString + #define TIXML_OSTREAM TiXmlOutStream + #define TIXML_ENDL "\n" +#endif + +// Deprecated library function hell. Compilers want to use the +// new safe versions. This probably doesn't fully address the problem, +// but it gets closer. There are too many compilers for me to fully +// test. If you get compilation troubles, undefine TIXML_SAFE + +#define TIXML_SAFE // TinyXml isn't fully buffer overrun protected, safe code. This is work in progress. +#ifdef TIXML_SAFE + #if defined(_MSC_VER) && (_MSC_VER >= 1400) + // Microsoft visual studio, version 2005 and higher. + #define TIXML_SNPRINTF _snprintf_s + #define TIXML_SNSCANF _snscanf_s + #elif defined(_MSC_VER) && (_MSC_VER >= 1200) + // Microsoft visual studio, version 6 and higher. + //#pragma message("Using _sn* functions.") + #define TIXML_SNPRINTF _snprintf + #define TIXML_SNSCANF _snscanf + #elif defined(__GNUC__) && (__GNUC__ >= 3) + // GCC version 3 and higher.s + //#warning("Using sn* functions.") + #define TIXML_SNPRINTF snprintf + #define TIXML_SNSCANF snscanf + #endif +#endif + +class TiXmlDocument; +class TiXmlElement; +class TiXmlComment; +class TiXmlUnknown; +class TiXmlAttribute; +class TiXmlText; +class TiXmlDeclaration; +class TiXmlParsingData; + +const int TIXML_MAJOR_VERSION = 2; +const int TIXML_MINOR_VERSION = 4; +const int TIXML_PATCH_VERSION = 3; + +/* Internal structure for tracking location of items + in the XML file. +*/ +struct TiXmlCursor +{ + TiXmlCursor() { Clear(); } + void Clear() { row = col = -1; } + + int row; // 0 based. + int col; // 0 based. +}; + + +// Only used by Attribute::Query functions +enum +{ + TIXML_SUCCESS, + TIXML_NO_ATTRIBUTE, + TIXML_WRONG_TYPE +}; + + +// Used by the parsing routines. +enum TiXmlEncoding +{ + TIXML_ENCODING_UNKNOWN, + TIXML_ENCODING_UTF8, + TIXML_ENCODING_LEGACY +}; + +const TiXmlEncoding TIXML_DEFAULT_ENCODING = TIXML_ENCODING_UNKNOWN; + +/** TiXmlBase is a base class for every class in TinyXml. + It does little except to establish that TinyXml classes + can be printed and provide some utility functions. + + In XML, the document and elements can contain + other elements and other types of nodes. + + @verbatim + A Document can contain: Element (container or leaf) + Comment (leaf) + Unknown (leaf) + Declaration(leaf) + + An Element can contain: Element (container or leaf) + Text (leaf) + Attributes (not on tree) + Comment (leaf) + Unknown (leaf) + + A Decleration contains: Attributes (not on tree) + @endverbatim +*/ +#ifdef TIXML_USE_TICPP +#include "ticpprc.h" +class TiXmlBase : public TiCppRC +#else +class TiXmlBase +#endif +{ + friend class TiXmlNode; + friend class TiXmlElement; + friend class TiXmlDocument; + +public: + TiXmlBase() : userData(0) {} + virtual ~TiXmlBase() {} + + /** All TinyXml classes can print themselves to a filestream. + This is a formatted print, and will insert tabs and newlines. + + (For an unformatted stream, use the << operator.) + */ + virtual void Print(FILE* cfile, int depth) const = 0; + + /** The world does not agree on whether white space should be kept or + not. In order to make everyone happy, these global, static functions + are provided to set whether or not TinyXml will condense all white space + into a single space or not. The default is to condense. Note changing this + values is not thread safe. + */ + static void SetCondenseWhiteSpace(bool condense) { condenseWhiteSpace = condense; } + + /// Return the current white space setting. + static bool IsWhiteSpaceCondensed() { return condenseWhiteSpace; } + + /** Return the position, in the original source file, of this node or attribute. + The row and column are 1-based. (That is the first row and first column is + 1,1). If the returns values are 0 or less, then the parser does not have + a row and column value. + + Generally, the row and column value will be set when the TiXmlDocument::Load(), + TiXmlDocument::LoadFile(), or any TiXmlNode::Parse() is called. It will NOT be set + when the DOM was created from operator>>. + + The values reflect the initial load. Once the DOM is modified programmatically + (by adding or changing nodes and attributes) the new values will NOT update to + reflect changes in the document. + + There is a minor performance cost to computing the row and column. Computation + can be disabled if TiXmlDocument::SetTabSize() is called with 0 as the value. + + @sa TiXmlDocument::SetTabSize() + */ + int Row() const { return location.row + 1; } + int Column() const { return location.col + 1; } ///< See Row() + + void _SetUserData(void* user) { userData = user; } + void* _GetUserData() { return userData; } + + // Table that returs, for a given lead byte, the total number of bytes + // in the UTF-8 sequence. + static const int utf8ByteTable[256]; + + virtual const char* Parse( const char* p, + TiXmlParsingData* data, + TiXmlEncoding encoding /*= TIXML_ENCODING_UNKNOWN */) = 0; + + enum + { + TIXML_NO_ERROR = 0, + TIXML_ERROR, + TIXML_ERROR_OPENING_FILE, + TIXML_ERROR_OUT_OF_MEMORY, + TIXML_ERROR_PARSING_ELEMENT, + TIXML_ERROR_FAILED_TO_READ_ELEMENT_NAME, + TIXML_ERROR_READING_ELEMENT_VALUE, + TIXML_ERROR_READING_ATTRIBUTES, + TIXML_ERROR_PARSING_EMPTY, + TIXML_ERROR_READING_END_TAG, + TIXML_ERROR_PARSING_UNKNOWN, + TIXML_ERROR_PARSING_COMMENT, + TIXML_ERROR_PARSING_DECLARATION, + TIXML_ERROR_DOCUMENT_EMPTY, + TIXML_ERROR_EMBEDDED_NULL, + TIXML_ERROR_PARSING_CDATA, + TIXML_ERROR_DOCUMENT_TOP_ONLY, + + TIXML_ERROR_STRING_COUNT + }; + +protected: + + void StreamDepth(TIXML_OSTREAM* stream, int depth) const; + + // See STL_STRING_BUG + // Utility class to overcome a bug. + class StringToBuffer + { + public: + StringToBuffer(const TIXML_STRING& str); + ~StringToBuffer(); + char* buffer; + }; + + static const char* SkipWhiteSpace(const char*, TiXmlEncoding encoding); + inline static bool IsWhiteSpace(char c) + { + return (isspace((unsigned char) c) || c == '\n' || c == '\r'); + } + inline static bool IsWhiteSpace(int c) + { + if (c < 256) + return IsWhiteSpace((char) c); + return false; // Again, only truly correct for English/Latin...but usually works. + } + + virtual void StreamOut (TIXML_OSTREAM *) const = 0; + virtual void FormattedStreamOut(TIXML_OSTREAM * stream, int depth) const = 0; + + #ifdef TIXML_USE_STL + static bool StreamWhiteSpace(TIXML_ISTREAM * in, TIXML_STRING * tag); + static bool StreamTo(TIXML_ISTREAM * in, int character, TIXML_STRING * tag); + #endif + + /* Reads an XML name into the string provided. Returns + a pointer just past the last character of the name, + or 0 if the function has an error. + */ + static const char* ReadName(const char* p, TIXML_STRING* name, TiXmlEncoding encoding); + + /* Reads text. Returns a pointer past the given end tag. + Wickedly complex options, but it keeps the (sensitive) code in one place. + */ + static const char* ReadText( const char* in, // where to start + TIXML_STRING* text, // the string read + bool ignoreWhiteSpace, // whether to keep the white space + const char* endTag, // what ends this text + bool ignoreCase, // whether to ignore case in the end tag + TiXmlEncoding encoding); // the current encoding + + // If an entity has been found, transform it into a character. + static const char* GetEntity(const char* in, char* value, int* length, TiXmlEncoding encoding); + + // Get a character, while interpreting entities. + // The length can be from 0 to 4 bytes. + inline static const char* GetChar(const char* p, char* _value, int* length, TiXmlEncoding encoding) + { + assert(p); + if (encoding == TIXML_ENCODING_UTF8) + { + *length = utf8ByteTable[ *((unsigned char*)p) ]; + assert(*length >= 0 && *length < 5); + } + else + { + *length = 1; + } + + if (*length == 1) + { + if (*p == '&') + return GetEntity(p, _value, length, encoding); + *_value = *p; + return p+1; + } + else if (*length) + { + //strncpy(_value, p, *length); // lots of compilers don't like this function (unsafe), + // and the null terminator isn't needed + for (int i=0; p[i] && i<*length; ++i) { + _value[i] = p[i]; + } + return p + (*length); + } + else + { + // Not valid text. + return 0; + } + } + + // Puts a string to a stream, expanding entities as it goes. + // Note this should not contian the '<', '>', etc, or they will be transformed into entities! + static void PutString(const TIXML_STRING& str, TIXML_OSTREAM* out); + + static void PutString(const TIXML_STRING& str, TIXML_STRING* out); + + // Return true if the next characters in the stream are any of the endTag sequences. + // Ignore case only works for english, and should only be relied on when comparing + // to English words: StringEqual(p, "version", true) is fine. + static bool StringEqual( const char* p, + const char* endTag, + bool ignoreCase, + TiXmlEncoding encoding); + + static const char* errorString[ TIXML_ERROR_STRING_COUNT ]; + + TiXmlCursor location; + + /// Field containing a generic user pointer + void* userData; + + // None of these methods are reliable for any language except English. + // Good for approximation, not great for accuracy. + static int IsAlpha(unsigned char anyByte, TiXmlEncoding encoding); + static int IsAlphaNum(unsigned char anyByte, TiXmlEncoding encoding); + inline static int ToLower(int v, TiXmlEncoding encoding) + { + if (encoding == TIXML_ENCODING_UTF8) + { + if (v < 128) return tolower(v); + return v; + } + else + { + return tolower(v); + } + } + static void ConvertUTF32ToUTF8(unsigned long input, char* output, int* length); + +private: + TiXmlBase(const TiXmlBase&); // not implemented. + void operator=(const TiXmlBase& base); // not allowed. + + struct Entity + { + const char* str; + unsigned int strLength; + char chr; + }; + enum + { + NUM_ENTITY = 5, + MAX_ENTITY_LENGTH = 6 + + }; + static Entity entity[ NUM_ENTITY ]; + static bool condenseWhiteSpace; +}; + + +/** The parent class for everything in the Document Object Model. + (Except for attributes). + Nodes have siblings, a parent, and children. A node can be + in a document, or stand on its own. The type of a TiXmlNode + can be queried, and it can be cast to its more defined type. +*/ +class TiXmlNode : public TiXmlBase +{ + friend class TiXmlDocument; + friend class TiXmlElement; + +public: + #ifdef TIXML_USE_STL + + /** An input stream operator, for every class. Tolerant of newlines and + formatting, but doesn't expect them. + */ + friend std::istream& operator >> (std::istream& in, TiXmlNode& base); + + /** An output stream operator, for every class. Note that this outputs + without any newlines or formatting, as opposed to Print(), which + includes tabs and new lines. + + The operator<< and operator>> are not completely symmetric. Writing + a node to a stream is very well defined. You'll get a nice stream + of output, without any extra whitespace or newlines. + + But reading is not as well defined. (As it always is.) If you create + a TiXmlElement (for example) and read that from an input stream, + the text needs to define an element or junk will result. This is + true of all input streams, but it's worth keeping in mind. + + A TiXmlDocument will read nodes until it reads a root element, and + all the children of that root element. + */ + friend std::ostream& operator<< (std::ostream& out, const TiXmlNode& base); + + /// Appends the XML node or attribute to a std::string. + friend std::string& operator<< (std::string& out, const TiXmlNode& base); + + #else + // Used internally, not part of the public API. + friend TIXML_OSTREAM& operator<< (TIXML_OSTREAM& out, const TiXmlNode& base); + #endif + + /** The types of XML nodes supported by TinyXml. (All the + unsupported types are picked up by UNKNOWN.) + */ + enum NodeType + { + DOCUMENT, + ELEMENT, + COMMENT, + UNKNOWN, + TEXT, + DECLARATION, + TYPECOUNT + }; + + virtual ~TiXmlNode(); + + /** The meaning of 'value' changes for the specific type of + TiXmlNode. + @verbatim + Document: filename of the xml file + Element: name of the element + Comment: the comment text + Unknown: the tag contents + Text: the text string + @endverbatim + + The subclasses will wrap this function. + */ + const char *Value() const { return value.c_str (); } + + #ifdef TIXML_USE_STL + /** Return Value() as a std::string. If you only use STL, + this is more efficient than calling Value(). + Only available in STL mode. + */ + const std::string& ValueStr() const { return value; } + #endif + + /** Changes the value of the node. Defined as: + @verbatim + Document: filename of the xml file + Element: name of the element + Comment: the comment text + Unknown: the tag contents + Text: the text string + @endverbatim + */ + void SetValue(const char * _value) { value = _value;} + + #ifdef TIXML_USE_STL + /// STL std::string form. + void SetValue(const std::string& _value) { value = _value; } + #endif + + /// Delete all the children of this node. Does not affect 'this'. + void Clear(); + + /// One step up the DOM. + TiXmlNode* Parent() { return parent; } + const TiXmlNode* Parent() const { return parent; } + + const TiXmlNode* FirstChild() const { return firstChild; } ///< The first child of this node. Will be null if there are no children. + TiXmlNode* FirstChild() { return firstChild; } + const TiXmlNode* FirstChild(const char * value) const; ///< The first child of this node with the matching 'value'. Will be null if none found. + TiXmlNode* FirstChild(const char * value); ///< The first child of this node with the matching 'value'. Will be null if none found. + + const TiXmlNode* LastChild() const { return lastChild; } /// The last child of this node. Will be null if there are no children. + TiXmlNode* LastChild() { return lastChild; } + const TiXmlNode* LastChild(const char * value) const; /// The last child of this node matching 'value'. Will be null if there are no children. + TiXmlNode* LastChild(const char * value); + + #ifdef TIXML_USE_STL + const TiXmlNode* FirstChild(const std::string& _value) const { return FirstChild (_value.c_str ()); } ///< STL std::string form. + TiXmlNode* FirstChild(const std::string& _value) { return FirstChild (_value.c_str ()); } ///< STL std::string form. + const TiXmlNode* LastChild(const std::string& _value) const { return LastChild (_value.c_str ()); } ///< STL std::string form. + TiXmlNode* LastChild(const std::string& _value) { return LastChild (_value.c_str ()); } ///< STL std::string form. + #endif + + /** An alternate way to walk the children of a node. + One way to iterate over nodes is: + @verbatim + for (child = parent->FirstChild(); child; child = child->NextSibling()) + @endverbatim + + IterateChildren does the same thing with the syntax: + @verbatim + child = 0; + while (child = parent->IterateChildren(child)) + @endverbatim + + IterateChildren takes the previous child as input and finds + the next one. If the previous child is null, it returns the + first. IterateChildren will return null when done. + */ + const TiXmlNode* IterateChildren(const TiXmlNode* previous) const; + TiXmlNode* IterateChildren(TiXmlNode* previous); + + /// This flavor of IterateChildren searches for children with a particular 'value' + const TiXmlNode* IterateChildren(const char * value, const TiXmlNode* previous) const; + TiXmlNode* IterateChildren(const char * value, TiXmlNode* previous); + + #ifdef TIXML_USE_STL + const TiXmlNode* IterateChildren(const std::string& _value, const TiXmlNode* previous) const { return IterateChildren (_value.c_str (), previous); } ///< STL std::string form. + TiXmlNode* IterateChildren(const std::string& _value, TiXmlNode* previous) { return IterateChildren (_value.c_str (), previous); } ///< STL std::string form. + #endif + + /** Add a new node related to this. Adds a child past the LastChild. + Returns a pointer to the new object or NULL if an error occured. + */ + TiXmlNode* InsertEndChild(const TiXmlNode& addThis); + + + /** Add a new node related to this. Adds a child past the LastChild. + + NOTE: the node to be added is passed by pointer, and will be + henceforth owned (and deleted) by tinyXml. This method is efficient + and avoids an extra copy, but should be used with care as it + uses a different memory model than the other insert functions. + + @sa InsertEndChild + */ + TiXmlNode* LinkEndChild(TiXmlNode* addThis); + + /** Add a new node related to this. Adds a child before the specified child. + Returns a pointer to the new object or NULL if an error occured. + */ + TiXmlNode* InsertBeforeChild(TiXmlNode* beforeThis, const TiXmlNode& addThis); + + /** Add a new node related to this. Adds a child after the specified child. + Returns a pointer to the new object or NULL if an error occured. + */ + TiXmlNode* InsertAfterChild( TiXmlNode* afterThis, const TiXmlNode& addThis); + + /** Replace a child of this node. + Returns a pointer to the new object or NULL if an error occured. + */ + TiXmlNode* ReplaceChild(TiXmlNode* replaceThis, const TiXmlNode& withThis); + + /// Delete a child of this node. + bool RemoveChild(TiXmlNode* removeThis); + + /// Navigate to a sibling node. + const TiXmlNode* PreviousSibling() const { return prev; } + TiXmlNode* PreviousSibling() { return prev; } + + /// Navigate to a sibling node. + const TiXmlNode* PreviousSibling(const char *) const; + TiXmlNode* PreviousSibling(const char *); + + #ifdef TIXML_USE_STL + const TiXmlNode* PreviousSibling(const std::string& _value) const { return PreviousSibling (_value.c_str ()); } ///< STL std::string form. + TiXmlNode* PreviousSibling(const std::string& _value) { return PreviousSibling (_value.c_str ()); } ///< STL std::string form. + const TiXmlNode* NextSibling(const std::string& _value) const { return NextSibling (_value.c_str ()); } ///< STL std::string form. + TiXmlNode* NextSibling(const std::string& _value) { return NextSibling (_value.c_str ()); } ///< STL std::string form. + #endif + + /// Navigate to a sibling node. + const TiXmlNode* NextSibling() const { return next; } + TiXmlNode* NextSibling() { return next; } + + /// Navigate to a sibling node with the given 'value'. + const TiXmlNode* NextSibling(const char *) const; + TiXmlNode* NextSibling(const char *); + + /** Convenience function to get through elements. + Calls NextSibling and ToElement. Will skip all non-Element + nodes. Returns 0 if there is not another element. + */ + const TiXmlElement* NextSiblingElement() const; + TiXmlElement* NextSiblingElement(); + + /** Convenience function to get through elements. + Calls NextSibling and ToElement. Will skip all non-Element + nodes. Returns 0 if there is not another element. + */ + const TiXmlElement* NextSiblingElement(const char *) const; + TiXmlElement* NextSiblingElement(const char *); + + #ifdef TIXML_USE_STL + const TiXmlElement* NextSiblingElement(const std::string& _value) const { return NextSiblingElement (_value.c_str ()); } ///< STL std::string form. + TiXmlElement* NextSiblingElement(const std::string& _value) { return NextSiblingElement (_value.c_str ()); } ///< STL std::string form. + #endif + + /// Convenience function to get through elements. + const TiXmlElement* FirstChildElement() const; + TiXmlElement* FirstChildElement(); + + /// Convenience function to get through elements. + const TiXmlElement* FirstChildElement(const char * value) const; + TiXmlElement* FirstChildElement(const char * value); + + #ifdef TIXML_USE_STL + const TiXmlElement* FirstChildElement(const std::string& _value) const { return FirstChildElement (_value.c_str ()); } ///< STL std::string form. + TiXmlElement* FirstChildElement(const std::string& _value) { return FirstChildElement (_value.c_str ()); } ///< STL std::string form. + #endif + + /** Query the type (as an enumerated value, above) of this node. + The possible types are: DOCUMENT, ELEMENT, COMMENT, + UNKNOWN, TEXT, and DECLARATION. + */ + int Type() const { return type; } + + /** Return a pointer to the Document this node lives in. + Returns null if not in a document. + */ + const TiXmlDocument* GetDocument() const; + TiXmlDocument* GetDocument(); + + /// Returns true if this node has no children. + bool NoChildren() const { return !firstChild; } + + virtual const TiXmlDocument* ToDocument() const { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type. + virtual const TiXmlElement* ToElement() const { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type. + virtual const TiXmlComment* ToComment() const { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type. + virtual const TiXmlUnknown* ToUnknown() const { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type. + virtual const TiXmlText* ToText() const { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type. + virtual const TiXmlDeclaration* ToDeclaration() const { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type. + + virtual TiXmlDocument* ToDocument() { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type. + virtual TiXmlElement* ToElement() { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type. + virtual TiXmlComment* ToComment() { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type. + virtual TiXmlUnknown* ToUnknown() { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type. + virtual TiXmlText* ToText() { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type. + virtual TiXmlDeclaration* ToDeclaration() { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type. + + /** Create an exact duplicate of this node and return it. The memory must be deleted + by the caller. + */ + virtual TiXmlNode* Clone() const = 0; + +protected: + TiXmlNode(NodeType _type); + + // Copy to the allocated object. Shared functionality between Clone, Copy constructor, + // and the assignment operator. + void CopyTo(TiXmlNode* target) const; + + #ifdef TIXML_USE_STL + // The real work of the input operator. + virtual void StreamIn(TIXML_ISTREAM* in, TIXML_STRING* tag) = 0; + #endif + + // Figure out what is at *p, and parse it. Returns null if it is not an xml node. + TiXmlNode* Identify(const char* start, TiXmlEncoding encoding); + + TiXmlNode* parent; + NodeType type; + + TiXmlNode* firstChild; + TiXmlNode* lastChild; + + TIXML_STRING value; + + TiXmlNode* prev; + TiXmlNode* next; + +private: + TiXmlNode(const TiXmlNode&); // not implemented. + void operator=(const TiXmlNode& base); // not allowed. +}; + +/** An attribute is a name-value pair. Elements have an arbitrary + number of attributes, each with a unique name. + + @note The attributes are not TiXmlNodes, since they are not + part of the tinyXML document object model. There are other + suggested ways to look at this problem. +*/ +class TiXmlAttribute : public TiXmlBase +{ + friend class TiXmlAttributeSet; + +public: + /// Construct an empty attribute. + TiXmlAttribute() : TiXmlBase() + { + document = 0; + prev = next = 0; + } + + #ifdef TIXML_USE_STL + /// std::string constructor. + TiXmlAttribute(const std::string& _name, const std::string& _value) + { + name = _name; + value = _value; + document = 0; + prev = next = 0; + } + #endif + + /// Construct an attribute with a name and value. + TiXmlAttribute(const char * _name, const char * _value) + { + name = _name; + value = _value; + document = 0; + prev = next = 0; + } + + const char* Name() const { return name.c_str(); } ///< Return the name of this attribute. + const char* Value() const { return value.c_str(); } ///< Return the value of this attribute. + #ifdef TIXML_USE_STL + const std::string& ValueStr() const { return value; } ///< Return the value of this attribute. + #endif + int IntValue() const; ///< Return the value of this attribute, converted to an integer. + double DoubleValue() const; ///< Return the value of this attribute, converted to a double. + + // Get the tinyxml string representation + const TIXML_STRING& NameTStr() const { return name; } + + /** QueryIntValue examines the value string. It is an alternative to the + IntValue() method with richer error checking. + If the value is an integer, it is stored in 'value' and + the call returns TIXML_SUCCESS. If it is not + an integer, it returns TIXML_WRONG_TYPE. + + A specialized but useful call. Note that for success it returns 0, + which is the opposite of almost all other TinyXml calls. + */ + int QueryIntValue(int* _value) const; + /// QueryDoubleValue examines the value string. See QueryIntValue(). + int QueryDoubleValue(double* _value) const; + + void SetName(const char* _name) { name = _name; } ///< Set the name of this attribute. + void SetValue(const char* _value) { value = _value; } ///< Set the value. + + void SetIntValue(int _value); ///< Set the value from an integer. + void SetDoubleValue(double _value); ///< Set the value from a double. + + #ifdef TIXML_USE_STL + /// STL std::string form. + void SetName(const std::string& _name) { name = _name; } + /// STL std::string form. + void SetValue(const std::string& _value) { value = _value; } + #endif + + /// Get the next sibling attribute in the DOM. Returns null at end. + const TiXmlAttribute* Next() const; + TiXmlAttribute* Next(); + /// Get the previous sibling attribute in the DOM. Returns null at beginning. + const TiXmlAttribute* Previous() const; + TiXmlAttribute* Previous(); + + bool operator==(const TiXmlAttribute& rhs) const { return rhs.name == name; } + bool operator<(const TiXmlAttribute& rhs) const { return name < rhs.name; } + bool operator>(const TiXmlAttribute& rhs) const { return name > rhs.name; } + + /* Attribute parsing starts: first letter of the name + returns: the next char after the value end quote + */ + virtual const char* Parse(const char* p, TiXmlParsingData* data, TiXmlEncoding encoding); + + // Prints this Attribute to a FILE stream. + virtual void Print(FILE* cfile, int depth) const; + + virtual void StreamOut(TIXML_OSTREAM * out) const; + virtual void FormattedStreamOut(TIXML_OSTREAM * stream, int depth) const {} + + // [internal use] + // Set the document pointer so the attribute can report errors. + void SetDocument(TiXmlDocument* doc) { document = doc; } + +private: + TiXmlAttribute(const TiXmlAttribute&); // not implemented. + void operator=(const TiXmlAttribute& base); // not allowed. + + TiXmlDocument* document; // A pointer back to a document, for error reporting. + TIXML_STRING name; + TIXML_STRING value; + TiXmlAttribute* prev; + TiXmlAttribute* next; +}; + + +/* A class used to manage a group of attributes. + It is only used internally, both by the ELEMENT and the DECLARATION. + + The set can be changed transparent to the Element and Declaration + classes that use it, but NOT transparent to the Attribute + which has to implement a next() and previous() method. Which makes + it a bit problematic and prevents the use of STL. + + This version is implemented with circular lists because: + - I like circular lists + - it demonstrates some independence from the (typical) doubly linked list. +*/ +class TiXmlAttributeSet +{ +public: + TiXmlAttributeSet(); + ~TiXmlAttributeSet(); + + void Add(TiXmlAttribute* attribute); + void Remove(TiXmlAttribute* attribute); + + const TiXmlAttribute* First() const { return (sentinel.next == &sentinel) ? 0 : sentinel.next; } + TiXmlAttribute* First() { return (sentinel.next == &sentinel) ? 0 : sentinel.next; } + const TiXmlAttribute* Last() const { return (sentinel.prev == &sentinel) ? 0 : sentinel.prev; } + TiXmlAttribute* Last() { return (sentinel.prev == &sentinel) ? 0 : sentinel.prev; } + + const TiXmlAttribute* Find(const TIXML_STRING& name) const; + TiXmlAttribute* Find(const TIXML_STRING& name); + +private: + //*ME: Because of hidden/disabled copy-construktor in TiXmlAttribute (sentinel-element), + //*ME: this class must be also use a hidden/disabled copy-constructor !!! + TiXmlAttributeSet(const TiXmlAttributeSet&); // not allowed + void operator=(const TiXmlAttributeSet&); // not allowed (as TiXmlAttribute) + + TiXmlAttribute sentinel; +}; + + +/** The element is a container class. It has a value, the element name, + and can contain other elements, text, comments, and unknowns. + Elements also contain an arbitrary number of attributes. +*/ +class TiXmlElement : public TiXmlNode +{ +public: + /// Construct an element. + TiXmlElement (const char * in_value); + + #ifdef TIXML_USE_STL + /// std::string constructor. + TiXmlElement(const std::string& _value); + #endif + + TiXmlElement(const TiXmlElement&); + + void operator=(const TiXmlElement& base); + + virtual ~TiXmlElement(); + + /** Given an attribute name, Attribute() returns the value + for the attribute of that name, or null if none exists. + */ + const char* Attribute(const char* name) const; + + /** Given an attribute name, Attribute() returns the value + for the attribute of that name, or null if none exists. + If the attribute exists and can be converted to an integer, + the integer value will be put in the return 'i', if 'i' + is non-null. + */ + const char* Attribute(const char* name, int* i) const; + + /** Given an attribute name, Attribute() returns the value + for the attribute of that name, or null if none exists. + If the attribute exists and can be converted to an double, + the double value will be put in the return 'd', if 'd' + is non-null. + */ + const char* Attribute(const char* name, double* d) const; + + /** QueryIntAttribute examines the attribute - it is an alternative to the + Attribute() method with richer error checking. + If the attribute is an integer, it is stored in 'value' and + the call returns TIXML_SUCCESS. If it is not + an integer, it returns TIXML_WRONG_TYPE. If the attribute + does not exist, then TIXML_NO_ATTRIBUTE is returned. + */ + int QueryIntAttribute(const char* name, int* _value) const; + /// QueryDoubleAttribute examines the attribute - see QueryIntAttribute(). + int QueryDoubleAttribute(const char* name, double* _value) const; + /// QueryFloatAttribute examines the attribute - see QueryIntAttribute(). + int QueryFloatAttribute(const char* name, float* _value) const { + double d; + int result = QueryDoubleAttribute(name, &d); + if (result == TIXML_SUCCESS) { + *_value = (float)d; + } + return result; + } + #ifdef TIXML_USE_STL + /** Template form of the attribute query which will try to read the + attribute into the specified type. Very easy, very powerful, but + be careful to make sure to call this with the correct type. + + @return TIXML_SUCCESS, TIXML_WRONG_TYPE, or TIXML_NO_ATTRIBUTE + */ + template< typename T > int QueryValueAttribute(const std::string& name, T* outValue) const + { + const TiXmlAttribute* node = attributeSet.Find(name); + if (!node) + return TIXML_NO_ATTRIBUTE; + + std::stringstream sstream(node->ValueStr()); + sstream >> *outValue; + if (!sstream.fail()) + return TIXML_SUCCESS; + return TIXML_WRONG_TYPE; + } + #endif + + /** Sets an attribute of name to a given value. The attribute + will be created if it does not exist, or changed if it does. + */ + void SetAttribute(const char* name, const char * _value); + + #ifdef TIXML_USE_STL + const char* Attribute(const std::string& name) const { return Attribute(name.c_str()); } + const char* Attribute(const std::string& name, int* i) const { return Attribute(name.c_str(), i); } + const char* Attribute(const std::string& name, double* d) const { return Attribute(name.c_str(), d); } + int QueryIntAttribute(const std::string& name, int* _value) const { return QueryIntAttribute(name.c_str(), _value); } + int QueryDoubleAttribute(const std::string& name, double* _value) const { return QueryDoubleAttribute(name.c_str(), _value); } + + /// STL std::string form. + void SetAttribute(const std::string& name, const std::string& _value); + ///< STL std::string form. + void SetAttribute(const std::string& name, int _value); + #endif + + /** Sets an attribute of name to a given value. The attribute + will be created if it does not exist, or changed if it does. + */ + void SetAttribute(const char * name, int value); + + /** Sets an attribute of name to a given value. The attribute + will be created if it does not exist, or changed if it does. + */ + void SetDoubleAttribute(const char * name, double value); + + /** Deletes an attribute with the given name. + */ + void RemoveAttribute(const char * name); + #ifdef TIXML_USE_STL + void RemoveAttribute(const std::string& name) { RemoveAttribute (name.c_str ()); } ///< STL std::string form. + #endif + + const TiXmlAttribute* FirstAttribute() const { return attributeSet.First(); } ///< Access the first attribute in this element. + TiXmlAttribute* FirstAttribute() { return attributeSet.First(); } + const TiXmlAttribute* LastAttribute() const { return attributeSet.Last(); } ///< Access the last attribute in this element. + TiXmlAttribute* LastAttribute() { return attributeSet.Last(); } + + /** Convenience function for easy access to the text inside an element. Although easy + and concise, GetText() is limited compared to getting the TiXmlText child + and accessing it directly. + + If the first child of 'this' is a TiXmlText, the GetText() + returns the character string of the Text node, else null is returned. + + This is a convenient method for getting the text of simple contained text: + @verbatim + <foo>This is text</foo> + const char* str = fooElement->GetText(); + @endverbatim + + 'str' will be a pointer to "This is text". + + Note that this function can be misleading. If the element foo was created from + this XML: + @verbatim + <foo><b>This is text</b></foo> + @endverbatim + + then the value of str would be null. The first child node isn't a text node, it is + another element. From this XML: + @verbatim + <foo>This is <b>text</b></foo> + @endverbatim + GetText() will return "This is ". + + WARNING: GetText() accesses a child node - don't become confused with the + similarly named TiXmlHandle::Text() and TiXmlNode::ToText() which are + safe type casts on the referenced node. + */ + const char* GetText() const; + + /// Creates a new Element and returns it - the returned element is a copy. + virtual TiXmlNode* Clone() const; + // Print the Element to a FILE stream. + virtual void Print(FILE* cfile, int depth) const; + + /* Attribtue parsing starts: next char past '<' + returns: next char past '>' + */ + virtual const char* Parse(const char* p, TiXmlParsingData* data, TiXmlEncoding encoding); + + virtual const TiXmlElement* ToElement() const { return this; } ///< Cast to a more defined type. Will return null not of the requested type. + virtual TiXmlElement* ToElement() { return this; } ///< Cast to a more defined type. Will return null not of the requested type. + +protected: + + void CopyTo(TiXmlElement* target) const; + void ClearThis(); // like clear, but initializes 'this' object as well + + // Used to be public [internal use] + #ifdef TIXML_USE_STL + virtual void StreamIn(TIXML_ISTREAM * in, TIXML_STRING * tag); + #endif + virtual void StreamOut(TIXML_OSTREAM * out) const; + virtual void FormattedStreamOut(TIXML_OSTREAM * stream, int depth) const; + + /* [internal use] + Reads the "value" of the element -- another element, or text. + This should terminate with the current end tag. + */ + const char* ReadValue(const char* in, TiXmlParsingData* prevData, TiXmlEncoding encoding); + +private: + + TiXmlAttributeSet attributeSet; +}; + + +/** An XML comment. +*/ +class TiXmlComment : public TiXmlNode +{ +public: + /// Constructs an empty comment. + TiXmlComment() : TiXmlNode(TiXmlNode::COMMENT) {} + TiXmlComment(const TiXmlComment&); + void operator=(const TiXmlComment& base); + + virtual ~TiXmlComment() {} + + /// Returns a copy of this Comment. + virtual TiXmlNode* Clone() const; + /// Write this Comment to a FILE stream. + virtual void Print(FILE* cfile, int depth) const; + + /* Attribtue parsing starts: at the ! of the !-- + returns: next char past '>' + */ + virtual const char* Parse(const char* p, TiXmlParsingData* data, TiXmlEncoding encoding); + + virtual const TiXmlComment* ToComment() const { return this; } ///< Cast to a more defined type. Will return null not of the requested type. + virtual TiXmlComment* ToComment() { return this; } ///< Cast to a more defined type. Will return null not of the requested type. + +protected: + void CopyTo(TiXmlComment* target) const; + + // used to be public + #ifdef TIXML_USE_STL + virtual void StreamIn(TIXML_ISTREAM * in, TIXML_STRING * tag); + #endif + virtual void StreamOut(TIXML_OSTREAM * out) const; + virtual void FormattedStreamOut(TIXML_OSTREAM * stream, int depth) const; + +private: + +}; + + +/** XML text. A text node can have 2 ways to output the next. "normal" output + and CDATA. It will default to the mode it was parsed from the XML file and + you generally want to leave it alone, but you can change the output mode with + SetCDATA() and query it with CDATA(). +*/ +class TiXmlText : public TiXmlNode +{ + friend class TiXmlElement; +public: + /** Constructor for text element. By default, it is treated as + normal, encoded text. If you want it be output as a CDATA text + element, set the parameter _cdata to 'true' + */ + TiXmlText (const char * initValue) : TiXmlNode (TiXmlNode::TEXT) + { + SetValue(initValue); + cdata = false; + } + virtual ~TiXmlText() {} + + #ifdef TIXML_USE_STL + /// Constructor. + TiXmlText(const std::string& initValue) : TiXmlNode (TiXmlNode::TEXT) + { + SetValue(initValue); + cdata = false; + } + #endif + + TiXmlText(const TiXmlText& copy) : TiXmlNode(TiXmlNode::TEXT) { copy.CopyTo(this); } + void operator=(const TiXmlText& base) { base.CopyTo(this); } + + /// Write this text object to a FILE stream. + virtual void Print(FILE* cfile, int depth) const; + + /// Queries whether this represents text using a CDATA section. + bool CDATA() { return cdata; } + /// Turns on or off a CDATA representation of text. + void SetCDATA(bool _cdata) { cdata = _cdata; } + + virtual const char* Parse(const char* p, TiXmlParsingData* data, TiXmlEncoding encoding); + + virtual const TiXmlText* ToText() const { return this; } ///< Cast to a more defined type. Will return null not of the requested type. + virtual TiXmlText* ToText() { return this; } ///< Cast to a more defined type. Will return null not of the requested type. + +protected : + /// [internal use] Creates a new Element and returns it. + virtual TiXmlNode* Clone() const; + void CopyTo(TiXmlText* target) const; + + virtual void StreamOut (TIXML_OSTREAM * out) const; + virtual void FormattedStreamOut(TIXML_OSTREAM * stream, int depth) const; + + bool Blank() const; // returns true if all white space and new lines + // [internal use] + #ifdef TIXML_USE_STL + virtual void StreamIn(TIXML_ISTREAM * in, TIXML_STRING * tag); + #endif + +private: + bool cdata; // true if this should be input and output as a CDATA style text element +}; + + +/** In correct XML the declaration is the first entry in the file. + @verbatim + <?xml version="1.0" standalone="yes"?> + @endverbatim + + TinyXml will happily read or write files without a declaration, + however. There are 3 possible attributes to the declaration: + version, encoding, and standalone. + + Note: In this version of the code, the attributes are + handled as special cases, not generic attributes, simply + because there can only be at most 3 and they are always the same. +*/ +class TiXmlDeclaration : public TiXmlNode +{ +public: + /// Construct an empty declaration. + TiXmlDeclaration() : TiXmlNode(TiXmlNode::DECLARATION) {} + +#ifdef TIXML_USE_STL + /// Constructor. + TiXmlDeclaration( const std::string& _version, + const std::string& _encoding, + const std::string& _standalone); +#endif + + /// Construct. + TiXmlDeclaration( const char* _version, + const char* _encoding, + const char* _standalone); + + TiXmlDeclaration(const TiXmlDeclaration& copy); + void operator=(const TiXmlDeclaration& copy); + + virtual ~TiXmlDeclaration() {} + + /// Version. Will return an empty string if none was found. + const char *Version() const { return version.c_str (); } + /// Encoding. Will return an empty string if none was found. + const char *Encoding() const { return encoding.c_str (); } + /// Is this a standalone document? + const char *Standalone() const { return standalone.c_str (); } + + /// Creates a copy of this Declaration and returns it. + virtual TiXmlNode* Clone() const; + /// Print this declaration to a FILE stream. + virtual void Print(FILE* cfile, int depth) const; + + virtual const char* Parse(const char* p, TiXmlParsingData* data, TiXmlEncoding encoding); + + virtual const TiXmlDeclaration* ToDeclaration() const { return this; } ///< Cast to a more defined type. Will return null not of the requested type. + virtual TiXmlDeclaration* ToDeclaration() { return this; } ///< Cast to a more defined type. Will return null not of the requested type. + +protected: + void CopyTo(TiXmlDeclaration* target) const; + // used to be public + #ifdef TIXML_USE_STL + virtual void StreamIn(TIXML_ISTREAM * in, TIXML_STRING * tag); + #endif + virtual void StreamOut (TIXML_OSTREAM * out) const; + virtual void FormattedStreamOut(TIXML_OSTREAM * stream, int depth) const; + +private: + + TIXML_STRING version; + TIXML_STRING encoding; + TIXML_STRING standalone; +}; + + +/** Any tag that tinyXml doesn't recognize is saved as an + unknown. It is a tag of text, but should not be modified. + It will be written back to the XML, unchanged, when the file + is saved. + + DTD tags get thrown into TiXmlUnknowns. +*/ +class TiXmlUnknown : public TiXmlNode +{ +public: + TiXmlUnknown() : TiXmlNode(TiXmlNode::UNKNOWN) {} + virtual ~TiXmlUnknown() {} + + TiXmlUnknown(const TiXmlUnknown& copy) : TiXmlNode(TiXmlNode::UNKNOWN) { copy.CopyTo(this); } + void operator=(const TiXmlUnknown& copy) { copy.CopyTo(this); } + + /// Creates a copy of this Unknown and returns it. + virtual TiXmlNode* Clone() const; + /// Print this Unknown to a FILE stream. + virtual void Print(FILE* cfile, int depth) const; + + virtual const char* Parse(const char* p, TiXmlParsingData* data, TiXmlEncoding encoding); + + virtual const TiXmlUnknown* ToUnknown() const { return this; } ///< Cast to a more defined type. Will return null not of the requested type. + virtual TiXmlUnknown* ToUnknown() { return this; } ///< Cast to a more defined type. Will return null not of the requested type. + +protected: + void CopyTo(TiXmlUnknown* target) const; + + #ifdef TIXML_USE_STL + virtual void StreamIn(TIXML_ISTREAM * in, TIXML_STRING * tag); + #endif + virtual void StreamOut (TIXML_OSTREAM * out) const; + virtual void FormattedStreamOut(TIXML_OSTREAM * stream, int depth) const; + +private: + +}; + + +/** Always the top level node. A document binds together all the + XML pieces. It can be saved, loaded, and printed to the screen. + The 'value' of a document node is the xml file name. +*/ +class TiXmlDocument : public TiXmlNode +{ +public: + /// Create an empty document, that has no name. + TiXmlDocument(); + /// Create a document with a name. The name of the document is also the filename of the xml. + TiXmlDocument(const char * documentName); + + #ifdef TIXML_USE_STL + /// Constructor. + TiXmlDocument(const std::string& documentName); + #endif + + TiXmlDocument(const TiXmlDocument& copy); + void operator=(const TiXmlDocument& copy); + + virtual ~TiXmlDocument() {} + + /** Load a file using the current document value. + Returns true if successful. Will delete any existing + document data before loading. + */ + bool LoadFile(TiXmlEncoding encoding = TIXML_DEFAULT_ENCODING); + /// Save a file using the current document value. Returns true if successful. + bool SaveFile() const; + /// Load a file using the given filename. Returns true if successful. + bool LoadFile(const char * filename, TiXmlEncoding encoding = TIXML_DEFAULT_ENCODING); + /// Save a file using the given filename. Returns true if successful. + bool SaveFile(const char * filename) const; + /** Load a file using the given FILE*. Returns true if successful. Note that this method + doesn't stream - the entire object pointed at by the FILE* + will be interpreted as an XML file. TinyXML doesn't stream in XML from the current + file location. Streaming may be added in the future. + */ + bool LoadFile(FILE*, TiXmlEncoding encoding = TIXML_DEFAULT_ENCODING); + /// Save a file using the given FILE*. Returns true if successful. + bool SaveFile(FILE*) const; + + #ifdef TIXML_USE_STL + bool LoadFile(const std::string& filename, TiXmlEncoding encoding = TIXML_DEFAULT_ENCODING) ///< STL std::string version. + { + StringToBuffer f(filename); + return (f.buffer && LoadFile(f.buffer, encoding)); + } + bool SaveFile(const std::string& filename) const ///< STL std::string version. + { + StringToBuffer f(filename); + return (f.buffer && SaveFile(f.buffer)); + } + /** Write the document to a string using formatted printing ("pretty print"). + @return the document as a formatted standard string. + */ + std::string GetAsString(); + #endif + + /** Write the document to a string using formatted printing ("pretty print"). + @param buffer A character buffer that should be big enough to hold your document. + @param bufferSize The size of @p buffer. + + @return True if the document could be copied into @p buffer, else false. + */ + bool GetAsCharBuffer(char* buffer, size_t bufferSize); + + /** Parse the given null terminated block of xml data. Passing in an encoding to this + method (either TIXML_ENCODING_LEGACY or TIXML_ENCODING_UTF8 will force TinyXml + to use that encoding, regardless of what TinyXml might otherwise try to detect. + */ + virtual const char* Parse(const char* p, TiXmlParsingData* data = 0, TiXmlEncoding encoding = TIXML_DEFAULT_ENCODING); + + /** Get the root element -- the only top level element -- of the document. + In well formed XML, there should only be one. TinyXml is tolerant of + multiple elements at the document level. + */ + const TiXmlElement* RootElement() const { return FirstChildElement(); } + TiXmlElement* RootElement() { return FirstChildElement(); } + + /** If an error occurs, Error will be set to true. Also, + - The ErrorId() will contain the integer identifier of the error (not generally useful) + - The ErrorDesc() method will return the name of the error. (very useful) + - The ErrorRow() and ErrorCol() will return the location of the error (if known) + */ + bool Error() const { return error; } + + /// Contains a textual (english) description of the error if one occurs. + const char * ErrorDesc() const { return errorDesc.c_str (); } + + /** Generally, you probably want the error string (ErrorDesc()). But if you + prefer the ErrorId, this function will fetch it. + */ + int ErrorId() const { return errorId; } + + /** Returns the location (if known) of the error. The first column is column 1, + and the first row is row 1. A value of 0 means the row and column wasn't applicable + (memory errors, for example, have no row/column) or the parser lost the error. (An + error in the error reporting, in that case.) + + @sa SetTabSize, Row, Column + */ + int ErrorRow() { return errorLocation.row+1; } + int ErrorCol() { return errorLocation.col+1; } ///< The column where the error occured. See ErrorRow() + + /** SetTabSize() allows the error reporting functions (ErrorRow() and ErrorCol()) + to report the correct values for row and column. It does not change the output + or input in any way. + + By calling this method, with a tab size + greater than 0, the row and column of each node and attribute is stored + when the file is loaded. Very useful for tracking the DOM back in to + the source file. + + The tab size is required for calculating the location of nodes. If not + set, the default of 4 is used. The tabsize is set per document. Setting + the tabsize to 0 disables row/column tracking. + + Note that row and column tracking is not supported when using operator>>. + + The tab size needs to be enabled before the parse or load. Correct usage: + @verbatim + TiXmlDocument doc; + doc.SetTabSize(8); + doc.Load("myfile.xml"); + @endverbatim + + @sa Row, Column + */ + void SetTabSize(int _tabsize) { tabsize = _tabsize; } + + int TabSize() const { return tabsize; } + + /** If you have handled the error, it can be reset with this call. The error + state is automatically cleared if you Parse a new XML block. + */ + void ClearError() { error = false; + errorId = 0; + errorDesc = ""; + errorLocation.row = errorLocation.col = 0; + //errorLocation.last = 0; + } + + /** Dump the document to standard out. */ + void Print() const { Print(stdout, 0); } + + /// Print this Document to a FILE stream. + virtual void Print(FILE* cfile, int depth = 0) const; + // [internal use] + void SetError(int err, const char* errorLocation, TiXmlParsingData* prevData, TiXmlEncoding encoding); + + virtual const TiXmlDocument* ToDocument() const { return this; } ///< Cast to a more defined type. Will return null not of the requested type. + virtual TiXmlDocument* ToDocument() { return this; } ///< Cast to a more defined type. Will return null not of the requested type. + +protected : + virtual void StreamOut (TIXML_OSTREAM * out) const; + virtual void FormattedStreamOut(TIXML_OSTREAM * stream, int depth) const; + // [internal use] + virtual TiXmlNode* Clone() const; + #ifdef TIXML_USE_STL + virtual void StreamIn(TIXML_ISTREAM * in, TIXML_STRING * tag); + #endif + +private: + void CopyTo(TiXmlDocument* target) const; + + bool error; + int errorId; + TIXML_STRING errorDesc; + int tabsize; + TiXmlCursor errorLocation; + bool useMicrosoftBOM; // the UTF-8 BOM were found when read. Note this, and try to write. +}; + + +/** + A TiXmlHandle is a class that wraps a node pointer with null checks; this is + an incredibly useful thing. Note that TiXmlHandle is not part of the TinyXml + DOM structure. It is a separate utility class. + + Take an example: + @verbatim + <Document> + <Element attributeA = "valueA"> + <Child attributeB = "value1" /> + <Child attributeB = "value2" /> + </Element> + <Document> + @endverbatim + + Assuming you want the value of "attributeB" in the 2nd "Child" element, it's very + easy to write a *lot* of code that looks like: + + @verbatim + TiXmlElement* root = document.FirstChildElement("Document"); + if (root) + { + TiXmlElement* element = root->FirstChildElement("Element"); + if (element) + { + TiXmlElement* child = element->FirstChildElement("Child"); + if (child) + { + TiXmlElement* child2 = child->NextSiblingElement("Child"); + if (child2) + { + // Finally do something useful. + @endverbatim + + And that doesn't even cover "else" cases. TiXmlHandle addresses the verbosity + of such code. A TiXmlHandle checks for null pointers so it is perfectly safe + and correct to use: + + @verbatim + TiXmlHandle docHandle(&document); + TiXmlElement* child2 = docHandle.FirstChild("Document").FirstChild("Element").Child("Child", 1).Element(); + if (child2) + { + // do something useful + @endverbatim + + Which is MUCH more concise and useful. + + It is also safe to copy handles - internally they are nothing more than node pointers. + @verbatim + TiXmlHandle handleCopy = handle; + @endverbatim + + What they should not be used for is iteration: + + @verbatim + int i=0; + while (true) + { + TiXmlElement* child = docHandle.FirstChild("Document").FirstChild("Element").Child("Child", i).Element(); + if (!child) + break; + // do something + ++i; + } + @endverbatim + + It seems reasonable, but it is in fact two embedded while loops. The Child method is + a linear walk to find the element, so this code would iterate much more than it needs + to. Instead, prefer: + + @verbatim + TiXmlElement* child = docHandle.FirstChild("Document").FirstChild("Element").FirstChild("Child").Element(); + + for (child; child; child=child->NextSiblingElement()) + { + // do something + } + @endverbatim +*/ +class TiXmlHandle +{ +public: + /// Create a handle from any node (at any depth of the tree.) This can be a null pointer. + TiXmlHandle(TiXmlNode* _node) { this->node = _node; } + /// Copy constructor + TiXmlHandle(const TiXmlHandle& ref) { this->node = ref.node; } + TiXmlHandle operator=(const TiXmlHandle& ref) { this->node = ref.node; return *this; } + + /// Return a handle to the first child node. + TiXmlHandle FirstChild() const; + /// Return a handle to the first child node with the given name. + TiXmlHandle FirstChild(const char * value) const; + /// Return a handle to the first child element. + TiXmlHandle FirstChildElement() const; + /// Return a handle to the first child element with the given name. + TiXmlHandle FirstChildElement(const char * value) const; + + /** Return a handle to the "index" child with the given name. + The first child is 0, the second 1, etc. + */ + TiXmlHandle Child(const char* value, int index) const; + /** Return a handle to the "index" child. + The first child is 0, the second 1, etc. + */ + TiXmlHandle Child(int index) const; + /** Return a handle to the "index" child element with the given name. + The first child element is 0, the second 1, etc. Note that only TiXmlElements + are indexed: other types are not counted. + */ + TiXmlHandle ChildElement(const char* value, int index) const; + /** Return a handle to the "index" child element. + The first child element is 0, the second 1, etc. Note that only TiXmlElements + are indexed: other types are not counted. + */ + TiXmlHandle ChildElement(int index) const; + + #ifdef TIXML_USE_STL + TiXmlHandle FirstChild(const std::string& _value) const { return FirstChild(_value.c_str()); } + TiXmlHandle FirstChildElement(const std::string& _value) const { return FirstChildElement(_value.c_str()); } + + TiXmlHandle Child(const std::string& _value, int index) const { return Child(_value.c_str(), index); } + TiXmlHandle ChildElement(const std::string& _value, int index) const { return ChildElement(_value.c_str(), index); } + #endif + + /// Return the handle as a TiXmlNode. This may return null. + TiXmlNode* Node() const { return node; } + /// Return the handle as a TiXmlElement. This may return null. + TiXmlElement* Element() const { return ((node && node->ToElement()) ? node->ToElement() : 0); } + /// Return the handle as a TiXmlText. This may return null. + TiXmlText* Text() const { return ((node && node->ToText()) ? node->ToText() : 0); } + /// Return the handle as a TiXmlUnknown. This may return null; + TiXmlUnknown* Unknown() const { return ((node && node->ToUnknown()) ? node->ToUnknown() : 0); } + +private: + TiXmlNode* node; +}; + +#ifdef _MSC_VER +#pragma warning(pop) +#endif + +#endif + |