From d9a584844a60542519d813b5dc1a62428f14a0ae Mon Sep 17 00:00:00 2001 From: Sven Gothel Date: Thu, 19 Jun 2014 17:03:28 +0200 Subject: Add OculusSDK 0.3.2 Linux Source Code w/o Samples, docs or binaries (libs or tools) --- 3rdParty/TinyXml/tinyxml2.cpp | 2101 +++++++++++++++++++++++++++++++++++++++++ 3rdParty/TinyXml/tinyxml2.h | 1911 +++++++++++++++++++++++++++++++++++++ 2 files changed, 4012 insertions(+) create mode 100644 3rdParty/TinyXml/tinyxml2.cpp create mode 100644 3rdParty/TinyXml/tinyxml2.h (limited to '3rdParty/TinyXml') diff --git a/3rdParty/TinyXml/tinyxml2.cpp b/3rdParty/TinyXml/tinyxml2.cpp new file mode 100644 index 0000000..6af1435 --- /dev/null +++ b/3rdParty/TinyXml/tinyxml2.cpp @@ -0,0 +1,2101 @@ +/* +Original code by 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. +*/ + +#include "tinyxml2.h" + +#include // yes, this one new style header, is in the Android SDK. +# ifdef ANDROID_NDK +# include +#else +# include +#endif + +static const char LINE_FEED = (char)0x0a; // all line endings are normalized to LF +static const char LF = LINE_FEED; +static const char CARRIAGE_RETURN = (char)0x0d; // CR gets filtered out +static const char CR = CARRIAGE_RETURN; +static const char SINGLE_QUOTE = '\''; +static const char DOUBLE_QUOTE = '\"'; + +// Bunch of unicode info at: +// http://www.unicode.org/faq/utf_bom.html +// ef bb bf (Microsoft "lead bytes") - designates UTF-8 + +static const unsigned char TIXML_UTF_LEAD_0 = 0xefU; +static const unsigned char TIXML_UTF_LEAD_1 = 0xbbU; +static const unsigned char TIXML_UTF_LEAD_2 = 0xbfU; + + +#define DELETE_NODE( node ) { \ + if ( node ) { \ + MemPool* pool = node->_memPool; \ + node->~XMLNode(); \ + pool->Free( node ); \ + } \ + } +#define DELETE_ATTRIBUTE( attrib ) { \ + if ( attrib ) { \ + MemPool* pool = attrib->_memPool; \ + attrib->~XMLAttribute(); \ + pool->Free( attrib ); \ + } \ + } + +namespace tinyxml2 +{ + +struct Entity { + const char* pattern; + int length; + char value; +}; + +static const int NUM_ENTITIES = 5; +static const Entity entities[NUM_ENTITIES] = { + { "quot", 4, DOUBLE_QUOTE }, + { "amp", 3, '&' }, + { "apos", 4, SINGLE_QUOTE }, + { "lt", 2, '<' }, + { "gt", 2, '>' } +}; + + +StrPair::~StrPair() +{ + Reset(); +} + + +void StrPair::Reset() +{ + if ( _flags & NEEDS_DELETE ) { + delete [] _start; + } + _flags = 0; + _start = 0; + _end = 0; +} + + +void StrPair::SetStr( const char* str, int flags ) +{ + Reset(); + size_t len = strlen( str ); + _start = new char[ len+1 ]; + memcpy( _start, str, len+1 ); + _end = _start + len; + _flags = flags | NEEDS_DELETE; +} + + +char* StrPair::ParseText( char* p, const char* endTag, int strFlags ) +{ + TIXMLASSERT( endTag && *endTag ); + + char* start = p; // fixme: hides a member + char endChar = *endTag; + size_t length = strlen( endTag ); + + // Inner loop of text parsing. + while ( *p ) { + if ( *p == endChar && strncmp( p, endTag, length ) == 0 ) { + Set( start, p, strFlags ); + return p + length; + } + ++p; + } + return 0; +} + + +char* StrPair::ParseName( char* p ) +{ + char* start = p; + + if ( !start || !(*start) ) { + return 0; + } + + while( *p && ( + XMLUtil::IsAlphaNum( (unsigned char) *p ) + || *p == '_' + || *p == ':' + || (*p == '-' && p>start ) // can be in a name, but not lead it. + || (*p == '.' && p>start ) )) { // can be in a name, but not lead it. + ++p; + } + + if ( p > start ) { + Set( start, p, 0 ); + return p; + } + return 0; +} + + +void StrPair::CollapseWhitespace() +{ + // Trim leading space. + _start = XMLUtil::SkipWhiteSpace( _start ); + + if ( _start && *_start ) { + char* p = _start; // the read pointer + char* q = _start; // the write pointer + + while( *p ) { + if ( XMLUtil::IsWhiteSpace( *p )) { + p = XMLUtil::SkipWhiteSpace( p ); + if ( *p == 0 ) { + break; // don't write to q; this trims the trailing space. + } + *q = ' '; + ++q; + } + *q = *p; + ++q; + ++p; + } + *q = 0; + } +} + + +const char* StrPair::GetStr() +{ + if ( _flags & NEEDS_FLUSH ) { + *_end = 0; + _flags ^= NEEDS_FLUSH; + + if ( _flags ) { + char* p = _start; // the read pointer + char* q = _start; // the write pointer + + while( p < _end ) { + if ( (_flags & NEEDS_NEWLINE_NORMALIZATION) && *p == CR ) { + // CR-LF pair becomes LF + // CR alone becomes LF + // LF-CR becomes LF + if ( *(p+1) == LF ) { + p += 2; + } + else { + ++p; + } + *q++ = LF; + } + else if ( (_flags & NEEDS_NEWLINE_NORMALIZATION) && *p == LF ) { + if ( *(p+1) == CR ) { + p += 2; + } + else { + ++p; + } + *q++ = LF; + } + else if ( (_flags & NEEDS_ENTITY_PROCESSING) && *p == '&' ) { + // Entities handled by tinyXML2: + // - special entities in the entity table [in/out] + // - numeric character reference [in] + // 中 or 中 + + if ( *(p+1) == '#' ) { + char buf[10] = { 0 }; + int len; + p = const_cast( XMLUtil::GetCharacterRef( p, buf, &len ) ); + for( int i=0; i(p); + // Check for BOM: + if ( *(pu+0) == TIXML_UTF_LEAD_0 + && *(pu+1) == TIXML_UTF_LEAD_1 + && *(pu+2) == TIXML_UTF_LEAD_2 ) { + *bom = true; + p += 3; + } + return p; +} + + +void XMLUtil::ConvertUTF32ToUTF8( unsigned long input, char* output, int* length ) +{ + const unsigned long BYTE_MASK = 0xBF; + const unsigned long BYTE_MARK = 0x80; + const unsigned long FIRST_BYTE_MARK[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC }; + + if (input < 0x80) { + *length = 1; + } + else if ( input < 0x800 ) { + *length = 2; + } + else if ( input < 0x10000 ) { + *length = 3; + } + else if ( input < 0x200000 ) { + *length = 4; + } + else { + *length = 0; // This code won't covert this correctly anyway. + return; + } + + output += *length; + + // Scary scary fall throughs. + switch (*length) { + case 4: + --output; + *output = (char)((input | BYTE_MARK) & BYTE_MASK); + input >>= 6; + case 3: + --output; + *output = (char)((input | BYTE_MARK) & BYTE_MASK); + input >>= 6; + case 2: + --output; + *output = (char)((input | BYTE_MARK) & BYTE_MASK); + input >>= 6; + case 1: + --output; + *output = (char)(input | FIRST_BYTE_MARK[*length]); + default: + break; + } +} + + +const char* XMLUtil::GetCharacterRef( const char* p, char* value, int* length ) +{ + // Presume an entity, and pull it out. + *length = 0; + + if ( *(p+1) == '#' && *(p+2) ) { + unsigned long ucs = 0; + ptrdiff_t delta = 0; + unsigned mult = 1; + + if ( *(p+2) == 'x' ) { + // Hexadecimal. + if ( !*(p+3) ) { + return 0; + } + + const char* q = p+3; + q = strchr( q, ';' ); + + if ( !q || !*q ) { + return 0; + } + + delta = q-p; + --q; + + while ( *q != 'x' ) { + if ( *q >= '0' && *q <= '9' ) { + ucs += mult * (*q - '0'); + } + else if ( *q >= 'a' && *q <= 'f' ) { + ucs += mult * (*q - 'a' + 10); + } + else if ( *q >= 'A' && *q <= 'F' ) { + ucs += mult * (*q - 'A' + 10 ); + } + else { + return 0; + } + mult *= 16; + --q; + } + } + else { + // Decimal. + if ( !*(p+2) ) { + return 0; + } + + const char* q = p+2; + q = strchr( q, ';' ); + + if ( !q || !*q ) { + return 0; + } + + delta = q-p; + --q; + + while ( *q != '#' ) { + if ( *q >= '0' && *q <= '9' ) { + ucs += mult * (*q - '0'); + } + else { + return 0; + } + mult *= 10; + --q; + } + } + // convert the UCS to UTF-8 + ConvertUTF32ToUTF8( ucs, value, length ); + return p + delta + 1; + } + return p+1; +} + + +void XMLUtil::ToStr( int v, char* buffer, int bufferSize ) +{ + TIXML_SNPRINTF( buffer, bufferSize, "%d", v ); +} + + +void XMLUtil::ToStr( unsigned v, char* buffer, int bufferSize ) +{ + TIXML_SNPRINTF( buffer, bufferSize, "%u", v ); +} + + +void XMLUtil::ToStr( bool v, char* buffer, int bufferSize ) +{ + TIXML_SNPRINTF( buffer, bufferSize, "%d", v ? 1 : 0 ); +} + + +void XMLUtil::ToStr( float v, char* buffer, int bufferSize ) +{ + TIXML_SNPRINTF( buffer, bufferSize, "%g", v ); +} + + +void XMLUtil::ToStr( double v, char* buffer, int bufferSize ) +{ + TIXML_SNPRINTF( buffer, bufferSize, "%g", v ); +} + + +bool XMLUtil::ToInt( const char* str, int* value ) +{ + if ( TIXML_SSCANF( str, "%d", value ) == 1 ) { + return true; + } + return false; +} + +bool XMLUtil::ToUnsigned( const char* str, unsigned *value ) +{ + if ( TIXML_SSCANF( str, "%u", value ) == 1 ) { + return true; + } + return false; +} + +bool XMLUtil::ToBool( const char* str, bool* value ) +{ + int ival = 0; + if ( ToInt( str, &ival )) { + *value = (ival==0) ? false : true; + return true; + } + if ( StringEqual( str, "true" ) ) { + *value = true; + return true; + } + else if ( StringEqual( str, "false" ) ) { + *value = false; + return true; + } + return false; +} + + +bool XMLUtil::ToFloat( const char* str, float* value ) +{ + if ( TIXML_SSCANF( str, "%f", value ) == 1 ) { + return true; + } + return false; +} + +bool XMLUtil::ToDouble( const char* str, double* value ) +{ + if ( TIXML_SSCANF( str, "%lf", value ) == 1 ) { + return true; + } + return false; +} + + +char* XMLDocument::Identify( char* p, XMLNode** node ) +{ + XMLNode* returnNode = 0; + char* start = p; + p = XMLUtil::SkipWhiteSpace( p ); + if( !p || !*p ) { + return p; + } + + // What is this thing? + // - Elements start with a letter or underscore, but xml is reserved. + // - Comments: + // + // With a special case: + // + // + // + // + // Where the closing element (/foo) *must* be the next thing after the opening + // element, and the names must match. BUT the tricky bit is that the closing + // element will be read by the child. + // + // 'endTag' is the end tag for this node, it is returned by a call to a child. + // 'parentEnd' is the end tag for the parent, which is filled in and returned. + + while( p && *p ) { + XMLNode* node = 0; + + p = _document->Identify( p, &node ); + if ( p == 0 || node == 0 ) { + break; + } + + StrPair endTag; + p = node->ParseDeep( p, &endTag ); + if ( !p ) { + DELETE_NODE( node ); + node = 0; + if ( !_document->Error() ) { + _document->SetError( XML_ERROR_PARSING, 0, 0 ); + } + break; + } + + // We read the end tag. Return it to the parent. + if ( node->ToElement() && node->ToElement()->ClosingType() == XMLElement::CLOSING ) { + if ( parentEnd ) { + *parentEnd = static_cast(node)->_value; + } + node->_memPool->SetTracked(); // created and then immediately deleted. + DELETE_NODE( node ); + return p; + } + + // Handle an end tag returned to this level. + // And handle a bunch of annoying errors. + XMLElement* ele = node->ToElement(); + if ( ele ) { + if ( endTag.Empty() && ele->ClosingType() == XMLElement::OPEN ) { + _document->SetError( XML_ERROR_MISMATCHED_ELEMENT, node->Value(), 0 ); + p = 0; + } + else if ( !endTag.Empty() && ele->ClosingType() != XMLElement::OPEN ) { + _document->SetError( XML_ERROR_MISMATCHED_ELEMENT, node->Value(), 0 ); + p = 0; + } + else if ( !endTag.Empty() ) { + if ( !XMLUtil::StringEqual( endTag.GetStr(), node->Value() )) { + _document->SetError( XML_ERROR_MISMATCHED_ELEMENT, node->Value(), 0 ); + p = 0; + } + } + } + if ( p == 0 ) { + DELETE_NODE( node ); + node = 0; + } + if ( node ) { + this->InsertEndChild( node ); + } + } + return 0; +} + +// --------- XMLText ---------- // +char* XMLText::ParseDeep( char* p, StrPair* ) +{ + const char* start = p; + if ( this->CData() ) { + p = _value.ParseText( p, "]]>", StrPair::NEEDS_NEWLINE_NORMALIZATION ); + if ( !p ) { + _document->SetError( XML_ERROR_PARSING_CDATA, start, 0 ); + } + return p; + } + else { + int flags = _document->ProcessEntities() ? StrPair::TEXT_ELEMENT : StrPair::TEXT_ELEMENT_LEAVE_ENTITIES; + if ( _document->WhitespaceMode() == COLLAPSE_WHITESPACE ) { + flags |= StrPair::COLLAPSE_WHITESPACE; + } + + p = _value.ParseText( p, "<", flags ); + if ( !p ) { + _document->SetError( XML_ERROR_PARSING_TEXT, start, 0 ); + } + if ( p && *p ) { + return p-1; + } + } + return 0; +} + + +XMLNode* XMLText::ShallowClone( XMLDocument* doc ) const +{ + if ( !doc ) { + doc = _document; + } + XMLText* text = doc->NewText( Value() ); // fixme: this will always allocate memory. Intern? + text->SetCData( this->CData() ); + return text; +} + + +bool XMLText::ShallowEqual( const XMLNode* compare ) const +{ + return ( compare->ToText() && XMLUtil::StringEqual( compare->ToText()->Value(), Value() )); +} + + +bool XMLText::Accept( XMLVisitor* visitor ) const +{ + return visitor->Visit( *this ); +} + + +// --------- XMLComment ---------- // + +XMLComment::XMLComment( XMLDocument* doc ) : XMLNode( doc ) +{ +} + + +XMLComment::~XMLComment() +{ +} + + +char* XMLComment::ParseDeep( char* p, StrPair* ) +{ + // Comment parses as text. + const char* start = p; + p = _value.ParseText( p, "-->", StrPair::COMMENT ); + if ( p == 0 ) { + _document->SetError( XML_ERROR_PARSING_COMMENT, start, 0 ); + } + return p; +} + + +XMLNode* XMLComment::ShallowClone( XMLDocument* doc ) const +{ + if ( !doc ) { + doc = _document; + } + XMLComment* comment = doc->NewComment( Value() ); // fixme: this will always allocate memory. Intern? + return comment; +} + + +bool XMLComment::ShallowEqual( const XMLNode* compare ) const +{ + return ( compare->ToComment() && XMLUtil::StringEqual( compare->ToComment()->Value(), Value() )); +} + + +bool XMLComment::Accept( XMLVisitor* visitor ) const +{ + return visitor->Visit( *this ); +} + + +// --------- XMLDeclaration ---------- // + +XMLDeclaration::XMLDeclaration( XMLDocument* doc ) : XMLNode( doc ) +{ +} + + +XMLDeclaration::~XMLDeclaration() +{ + //printf( "~XMLDeclaration\n" ); +} + + +char* XMLDeclaration::ParseDeep( char* p, StrPair* ) +{ + // Declaration parses as text. + const char* start = p; + p = _value.ParseText( p, "?>", StrPair::NEEDS_NEWLINE_NORMALIZATION ); + if ( p == 0 ) { + _document->SetError( XML_ERROR_PARSING_DECLARATION, start, 0 ); + } + return p; +} + + +XMLNode* XMLDeclaration::ShallowClone( XMLDocument* doc ) const +{ + if ( !doc ) { + doc = _document; + } + XMLDeclaration* dec = doc->NewDeclaration( Value() ); // fixme: this will always allocate memory. Intern? + return dec; +} + + +bool XMLDeclaration::ShallowEqual( const XMLNode* compare ) const +{ + return ( compare->ToDeclaration() && XMLUtil::StringEqual( compare->ToDeclaration()->Value(), Value() )); +} + + + +bool XMLDeclaration::Accept( XMLVisitor* visitor ) const +{ + return visitor->Visit( *this ); +} + +// --------- XMLUnknown ---------- // + +XMLUnknown::XMLUnknown( XMLDocument* doc ) : XMLNode( doc ) +{ +} + + +XMLUnknown::~XMLUnknown() +{ +} + + +char* XMLUnknown::ParseDeep( char* p, StrPair* ) +{ + // Unknown parses as text. + const char* start = p; + + p = _value.ParseText( p, ">", StrPair::NEEDS_NEWLINE_NORMALIZATION ); + if ( !p ) { + _document->SetError( XML_ERROR_PARSING_UNKNOWN, start, 0 ); + } + return p; +} + + +XMLNode* XMLUnknown::ShallowClone( XMLDocument* doc ) const +{ + if ( !doc ) { + doc = _document; + } + XMLUnknown* text = doc->NewUnknown( Value() ); // fixme: this will always allocate memory. Intern? + return text; +} + + +bool XMLUnknown::ShallowEqual( const XMLNode* compare ) const +{ + return ( compare->ToUnknown() && XMLUtil::StringEqual( compare->ToUnknown()->Value(), Value() )); +} + + +bool XMLUnknown::Accept( XMLVisitor* visitor ) const +{ + return visitor->Visit( *this ); +} + +// --------- XMLAttribute ---------- // +char* XMLAttribute::ParseDeep( char* p, bool processEntities ) +{ + // Parse using the name rules: bug fix, was using ParseText before + p = _name.ParseName( p ); + if ( !p || !*p ) { + return 0; + } + + // Skip white space before = + p = XMLUtil::SkipWhiteSpace( p ); + if ( !p || *p != '=' ) { + return 0; + } + + ++p; // move up to opening quote + p = XMLUtil::SkipWhiteSpace( p ); + if ( *p != '\"' && *p != '\'' ) { + return 0; + } + + char endTag[2] = { *p, 0 }; + ++p; // move past opening quote + + p = _value.ParseText( p, endTag, processEntities ? StrPair::ATTRIBUTE_VALUE : StrPair::ATTRIBUTE_VALUE_LEAVE_ENTITIES ); + return p; +} + + +void XMLAttribute::SetName( const char* n ) +{ + _name.SetStr( n ); +} + + +XMLError XMLAttribute::QueryIntValue( int* value ) const +{ + if ( XMLUtil::ToInt( Value(), value )) { + return XML_NO_ERROR; + } + return XML_WRONG_ATTRIBUTE_TYPE; +} + + +XMLError XMLAttribute::QueryUnsignedValue( unsigned int* value ) const +{ + if ( XMLUtil::ToUnsigned( Value(), value )) { + return XML_NO_ERROR; + } + return XML_WRONG_ATTRIBUTE_TYPE; +} + + +XMLError XMLAttribute::QueryBoolValue( bool* value ) const +{ + if ( XMLUtil::ToBool( Value(), value )) { + return XML_NO_ERROR; + } + return XML_WRONG_ATTRIBUTE_TYPE; +} + + +XMLError XMLAttribute::QueryFloatValue( float* value ) const +{ + if ( XMLUtil::ToFloat( Value(), value )) { + return XML_NO_ERROR; + } + return XML_WRONG_ATTRIBUTE_TYPE; +} + + +XMLError XMLAttribute::QueryDoubleValue( double* value ) const +{ + if ( XMLUtil::ToDouble( Value(), value )) { + return XML_NO_ERROR; + } + return XML_WRONG_ATTRIBUTE_TYPE; +} + + +void XMLAttribute::SetAttribute( const char* v ) +{ + _value.SetStr( v ); +} + + +void XMLAttribute::SetAttribute( int v ) +{ + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + _value.SetStr( buf ); +} + + +void XMLAttribute::SetAttribute( unsigned v ) +{ + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + _value.SetStr( buf ); +} + + +void XMLAttribute::SetAttribute( bool v ) +{ + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + _value.SetStr( buf ); +} + +void XMLAttribute::SetAttribute( double v ) +{ + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + _value.SetStr( buf ); +} + +void XMLAttribute::SetAttribute( float v ) +{ + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + _value.SetStr( buf ); +} + + +// --------- XMLElement ---------- // +XMLElement::XMLElement( XMLDocument* doc ) : XMLNode( doc ), + _closingType( 0 ), + _rootAttribute( 0 ) +{ +} + + +XMLElement::~XMLElement() +{ + while( _rootAttribute ) { + XMLAttribute* next = _rootAttribute->_next; + DELETE_ATTRIBUTE( _rootAttribute ); + _rootAttribute = next; + } +} + + +XMLAttribute* XMLElement::FindAttribute( const char* name ) +{ + XMLAttribute* a = 0; + for( a=_rootAttribute; a; a = a->_next ) { + if ( XMLUtil::StringEqual( a->Name(), name ) ) { + return a; + } + } + return 0; +} + + +const XMLAttribute* XMLElement::FindAttribute( const char* name ) const +{ + XMLAttribute* a = 0; + for( a=_rootAttribute; a; a = a->_next ) { + if ( XMLUtil::StringEqual( a->Name(), name ) ) { + return a; + } + } + return 0; +} + + +const char* XMLElement::Attribute( const char* name, const char* value ) const +{ + const XMLAttribute* a = FindAttribute( name ); + if ( !a ) { + return 0; + } + if ( !value || XMLUtil::StringEqual( a->Value(), value )) { + return a->Value(); + } + return 0; +} + + +const char* XMLElement::GetText() const +{ + if ( FirstChild() && FirstChild()->ToText() ) { + return FirstChild()->ToText()->Value(); + } + return 0; +} + + +XMLError XMLElement::QueryIntText( int* ival ) const +{ + if ( FirstChild() && FirstChild()->ToText() ) { + const char* t = FirstChild()->ToText()->Value(); + if ( XMLUtil::ToInt( t, ival ) ) { + return XML_SUCCESS; + } + return XML_CAN_NOT_CONVERT_TEXT; + } + return XML_NO_TEXT_NODE; +} + + +XMLError XMLElement::QueryUnsignedText( unsigned* uval ) const +{ + if ( FirstChild() && FirstChild()->ToText() ) { + const char* t = FirstChild()->ToText()->Value(); + if ( XMLUtil::ToUnsigned( t, uval ) ) { + return XML_SUCCESS; + } + return XML_CAN_NOT_CONVERT_TEXT; + } + return XML_NO_TEXT_NODE; +} + + +XMLError XMLElement::QueryBoolText( bool* bval ) const +{ + if ( FirstChild() && FirstChild()->ToText() ) { + const char* t = FirstChild()->ToText()->Value(); + if ( XMLUtil::ToBool( t, bval ) ) { + return XML_SUCCESS; + } + return XML_CAN_NOT_CONVERT_TEXT; + } + return XML_NO_TEXT_NODE; +} + + +XMLError XMLElement::QueryDoubleText( double* dval ) const +{ + if ( FirstChild() && FirstChild()->ToText() ) { + const char* t = FirstChild()->ToText()->Value(); + if ( XMLUtil::ToDouble( t, dval ) ) { + return XML_SUCCESS; + } + return XML_CAN_NOT_CONVERT_TEXT; + } + return XML_NO_TEXT_NODE; +} + + +XMLError XMLElement::QueryFloatText( float* fval ) const +{ + if ( FirstChild() && FirstChild()->ToText() ) { + const char* t = FirstChild()->ToText()->Value(); + if ( XMLUtil::ToFloat( t, fval ) ) { + return XML_SUCCESS; + } + return XML_CAN_NOT_CONVERT_TEXT; + } + return XML_NO_TEXT_NODE; +} + + + +XMLAttribute* XMLElement::FindOrCreateAttribute( const char* name ) +{ + XMLAttribute* last = 0; + XMLAttribute* attrib = 0; + for( attrib = _rootAttribute; + attrib; + last = attrib, attrib = attrib->_next ) { + if ( XMLUtil::StringEqual( attrib->Name(), name ) ) { + break; + } + } + if ( !attrib ) { + attrib = new (_document->_attributePool.Alloc() ) XMLAttribute(); + attrib->_memPool = &_document->_attributePool; + if ( last ) { + last->_next = attrib; + } + else { + _rootAttribute = attrib; + } + attrib->SetName( name ); + attrib->_memPool->SetTracked(); // always created and linked. + } + return attrib; +} + + +void XMLElement::DeleteAttribute( const char* name ) +{ + XMLAttribute* prev = 0; + for( XMLAttribute* a=_rootAttribute; a; a=a->_next ) { + if ( XMLUtil::StringEqual( name, a->Name() ) ) { + if ( prev ) { + prev->_next = a->_next; + } + else { + _rootAttribute = a->_next; + } + DELETE_ATTRIBUTE( a ); + break; + } + prev = a; + } +} + + +char* XMLElement::ParseAttributes( char* p ) +{ + const char* start = p; + XMLAttribute* prevAttribute = 0; + + // Read the attributes. + while( p ) { + p = XMLUtil::SkipWhiteSpace( p ); + if ( !p || !(*p) ) { + _document->SetError( XML_ERROR_PARSING_ELEMENT, start, Name() ); + return 0; + } + + // attribute. + if ( XMLUtil::IsAlpha( *p ) ) { + XMLAttribute* attrib = new (_document->_attributePool.Alloc() ) XMLAttribute(); + attrib->_memPool = &_document->_attributePool; + attrib->_memPool->SetTracked(); + + p = attrib->ParseDeep( p, _document->ProcessEntities() ); + if ( !p || Attribute( attrib->Name() ) ) { + DELETE_ATTRIBUTE( attrib ); + _document->SetError( XML_ERROR_PARSING_ATTRIBUTE, start, p ); + return 0; + } + // There is a minor bug here: if the attribute in the source xml + // document is duplicated, it will not be detected and the + // attribute will be doubly added. However, tracking the 'prevAttribute' + // avoids re-scanning the attribute list. Preferring performance for + // now, may reconsider in the future. + if ( prevAttribute ) { + prevAttribute->_next = attrib; + } + else { + _rootAttribute = attrib; + } + prevAttribute = attrib; + } + // end of the tag + else if ( *p == '/' && *(p+1) == '>' ) { + _closingType = CLOSED; + return p+2; // done; sealed element. + } + // end of the tag + else if ( *p == '>' ) { + ++p; + break; + } + else { + _document->SetError( XML_ERROR_PARSING_ELEMENT, start, p ); + return 0; + } + } + return p; +} + + +// +// +// foobar +// +char* XMLElement::ParseDeep( char* p, StrPair* strPair ) +{ + // Read the element name. + p = XMLUtil::SkipWhiteSpace( p ); + if ( !p ) { + return 0; + } + + // The closing element is the form. It is + // parsed just like a regular element then deleted from + // the DOM. + if ( *p == '/' ) { + _closingType = CLOSING; + ++p; + } + + p = _value.ParseName( p ); + if ( _value.Empty() ) { + return 0; + } + + p = ParseAttributes( p ); + if ( !p || !*p || _closingType ) { + return p; + } + + p = XMLNode::ParseDeep( p, strPair ); + return p; +} + + + +XMLNode* XMLElement::ShallowClone( XMLDocument* doc ) const +{ + if ( !doc ) { + doc = _document; + } + XMLElement* element = doc->NewElement( Value() ); // fixme: this will always allocate memory. Intern? + for( const XMLAttribute* a=FirstAttribute(); a; a=a->Next() ) { + element->SetAttribute( a->Name(), a->Value() ); // fixme: this will always allocate memory. Intern? + } + return element; +} + + +bool XMLElement::ShallowEqual( const XMLNode* compare ) const +{ + const XMLElement* other = compare->ToElement(); + if ( other && XMLUtil::StringEqual( other->Value(), Value() )) { + + const XMLAttribute* a=FirstAttribute(); + const XMLAttribute* b=other->FirstAttribute(); + + while ( a && b ) { + if ( !XMLUtil::StringEqual( a->Value(), b->Value() ) ) { + return false; + } + a = a->Next(); + b = b->Next(); + } + if ( a || b ) { + // different count + return false; + } + return true; + } + return false; +} + + +bool XMLElement::Accept( XMLVisitor* visitor ) const +{ + if ( visitor->VisitEnter( *this, _rootAttribute ) ) { + for ( const XMLNode* node=FirstChild(); node; node=node->NextSibling() ) { + if ( !node->Accept( visitor ) ) { + break; + } + } + } + return visitor->VisitExit( *this ); +} + + +// --------- XMLDocument ----------- // +XMLDocument::XMLDocument( bool processEntities, Whitespace whitespace ) : + XMLNode( 0 ), + _writeBOM( false ), + _processEntities( processEntities ), + _errorID( XML_NO_ERROR ), + _whitespace( whitespace ), + _errorStr1( 0 ), + _errorStr2( 0 ), + _charBuffer( 0 ) +{ + _document = this; // avoid warning about 'this' in initializer list +} + + +XMLDocument::~XMLDocument() +{ + DeleteChildren(); + delete [] _charBuffer; + +#if 0 + textPool.Trace( "text" ); + elementPool.Trace( "element" ); + commentPool.Trace( "comment" ); + attributePool.Trace( "attribute" ); +#endif + +#ifdef DEBUG + if ( Error() == false ) { + TIXMLASSERT( _elementPool.CurrentAllocs() == _elementPool.Untracked() ); + TIXMLASSERT( _attributePool.CurrentAllocs() == _attributePool.Untracked() ); + TIXMLASSERT( _textPool.CurrentAllocs() == _textPool.Untracked() ); + TIXMLASSERT( _commentPool.CurrentAllocs() == _commentPool.Untracked() ); + } +#endif +} + + +void XMLDocument::InitDocument() +{ + _errorID = XML_NO_ERROR; + _errorStr1 = 0; + _errorStr2 = 0; + + delete [] _charBuffer; + _charBuffer = 0; +} + + +XMLElement* XMLDocument::NewElement( const char* name ) +{ + XMLElement* ele = new (_elementPool.Alloc()) XMLElement( this ); + ele->_memPool = &_elementPool; + ele->SetName( name ); + return ele; +} + + +XMLComment* XMLDocument::NewComment( const char* str ) +{ + XMLComment* comment = new (_commentPool.Alloc()) XMLComment( this ); + comment->_memPool = &_commentPool; + comment->SetValue( str ); + return comment; +} + + +XMLText* XMLDocument::NewText( const char* str ) +{ + XMLText* text = new (_textPool.Alloc()) XMLText( this ); + text->_memPool = &_textPool; + text->SetValue( str ); + return text; +} + + +XMLDeclaration* XMLDocument::NewDeclaration( const char* str ) +{ + XMLDeclaration* dec = new (_commentPool.Alloc()) XMLDeclaration( this ); + dec->_memPool = &_commentPool; + dec->SetValue( str ? str : "xml version=\"1.0\" encoding=\"UTF-8\"" ); + return dec; +} + + +XMLUnknown* XMLDocument::NewUnknown( const char* str ) +{ + XMLUnknown* unk = new (_commentPool.Alloc()) XMLUnknown( this ); + unk->_memPool = &_commentPool; + unk->SetValue( str ); + return unk; +} + + +XMLError XMLDocument::LoadFile( const char* filename ) +{ + DeleteChildren(); + InitDocument(); + FILE* fp = 0; + +#if defined(_MSC_VER) && (_MSC_VER >= 1400 ) + errno_t err = fopen_s(&fp, filename, "rb" ); + if ( !fp || err) { +#else + fp = fopen( filename, "rb" ); + if ( !fp) { +#endif + SetError( XML_ERROR_FILE_NOT_FOUND, filename, 0 ); + return _errorID; + } + LoadFile( fp ); + fclose( fp ); + return _errorID; +} + + +XMLError XMLDocument::LoadFile( FILE* fp ) +{ + DeleteChildren(); + InitDocument(); + + fseek( fp, 0, SEEK_END ); + size_t size = ftell( fp ); + fseek( fp, 0, SEEK_SET ); + + if ( size == 0 ) { + return _errorID; + } + + _charBuffer = new char[size+1]; + size_t read = fread( _charBuffer, 1, size, fp ); + if ( read != size ) { + SetError( XML_ERROR_FILE_READ_ERROR, 0, 0 ); + return _errorID; + } + + _charBuffer[size] = 0; + + const char* p = _charBuffer; + p = XMLUtil::SkipWhiteSpace( p ); + p = XMLUtil::ReadBOM( p, &_writeBOM ); + if ( !p || !*p ) { + SetError( XML_ERROR_EMPTY_DOCUMENT, 0, 0 ); + return _errorID; + } + + ParseDeep( _charBuffer + (p-_charBuffer), 0 ); + return _errorID; +} + + +XMLError XMLDocument::SaveFile( const char* filename, bool compact ) +{ + FILE* fp = 0; +#if defined(_MSC_VER) && (_MSC_VER >= 1400 ) + errno_t err = fopen_s(&fp, filename, "w" ); + if ( !fp || err) { +#else + fp = fopen( filename, "w" ); + if ( !fp) { +#endif + SetError( XML_ERROR_FILE_COULD_NOT_BE_OPENED, filename, 0 ); + return _errorID; + } + SaveFile(fp, compact); + fclose( fp ); + return _errorID; +} + + +XMLError XMLDocument::SaveFile( FILE* fp, bool compact ) +{ + XMLPrinter stream( fp, compact ); + Print( &stream ); + return _errorID; +} + + +XMLError XMLDocument::Parse( const char* p, size_t len ) +{ + DeleteChildren(); + InitDocument(); + + if ( !p || !*p ) { + SetError( XML_ERROR_EMPTY_DOCUMENT, 0, 0 ); + return _errorID; + } + if ( len == (size_t)(-1) ) { + len = strlen( p ); + } + _charBuffer = new char[ len+1 ]; + memcpy( _charBuffer, p, len ); + _charBuffer[len] = 0; + + p = XMLUtil::SkipWhiteSpace( p ); + p = XMLUtil::ReadBOM( p, &_writeBOM ); + if ( !p || !*p ) { + SetError( XML_ERROR_EMPTY_DOCUMENT, 0, 0 ); + return _errorID; + } + + ParseDeep( _charBuffer, 0 ); + return _errorID; +} + + +void XMLDocument::Print( XMLPrinter* streamer ) +{ + XMLPrinter stdStreamer( stdout ); + if ( !streamer ) { + streamer = &stdStreamer; + } + Accept( streamer ); +} + + +void XMLDocument::SetError( XMLError error, const char* str1, const char* str2 ) +{ + _errorID = error; + _errorStr1 = str1; + _errorStr2 = str2; +} + + +void XMLDocument::PrintError() const +{ + if ( _errorID ) { + static const int LEN = 20; + char buf1[LEN] = { 0 }; + char buf2[LEN] = { 0 }; + + if ( _errorStr1 ) { + TIXML_SNPRINTF( buf1, LEN, "%s", _errorStr1 ); + } + if ( _errorStr2 ) { + TIXML_SNPRINTF( buf2, LEN, "%s", _errorStr2 ); + } + + printf( "XMLDocument error id=%d str1=%s str2=%s\n", + _errorID, buf1, buf2 ); + } +} + + +XMLPrinter::XMLPrinter( FILE* file, bool compact ) : + _elementJustOpened( false ), + _firstElement( true ), + _fp( file ), + _depth( 0 ), + _textDepth( -1 ), + _processEntities( true ), + _compactMode( compact ) +{ + for( int i=0; i'] = true; // not required, but consistency is nice + _buffer.Push( 0 ); +} + + +void XMLPrinter::Print( const char* format, ... ) +{ + va_list va; + va_start( va, format ); + + if ( _fp ) { + vfprintf( _fp, format, va ); + } + else { + // This seems brutally complex. Haven't figured out a better + // way on windows. +#ifdef _MSC_VER + int len = -1; + int expand = 1000; + while ( len < 0 ) { + len = vsnprintf_s( _accumulator.Mem(), _accumulator.Capacity(), _TRUNCATE, format, va ); + if ( len < 0 ) { + expand *= 3/2; + _accumulator.PushArr( expand ); + } + } + char* p = _buffer.PushArr( len ) - 1; + memcpy( p, _accumulator.Mem(), len+1 ); +#else + int len = vsnprintf( 0, 0, format, va ); + // Close out and re-start the va-args + va_end( va ); + va_start( va, format ); + char* p = _buffer.PushArr( len ) - 1; + vsnprintf( p, len+1, format, va ); +#endif + } + va_end( va ); +} + + +void XMLPrinter::PrintSpace( int depth ) +{ + for( int i=0; i 0 && *q < ENTITY_RANGE ) { + // Check for entities. If one is found, flush + // the stream up until the entity, write the + // entity, and keep looking. + if ( flag[(unsigned)(*q)] ) { + while ( p < q ) { + Print( "%c", *p ); + ++p; + } + for( int i=0; i 0) ) { + Print( "%s", p ); + } +} + + +void XMLPrinter::PushHeader( bool writeBOM, bool writeDec ) +{ + static const unsigned char bom[] = { TIXML_UTF_LEAD_0, TIXML_UTF_LEAD_1, TIXML_UTF_LEAD_2, 0 }; + if ( writeBOM ) { + Print( "%s", bom ); + } + if ( writeDec ) { + PushDeclaration( "xml version=\"1.0\"" ); + } +} + + +void XMLPrinter::OpenElement( const char* name ) +{ + if ( _elementJustOpened ) { + SealElement(); + } + _stack.Push( name ); + + if ( _textDepth < 0 && !_firstElement && !_compactMode ) { + Print( "\n" ); + PrintSpace( _depth ); + } + + Print( "<%s", name ); + _elementJustOpened = true; + _firstElement = false; + ++_depth; +} + + +void XMLPrinter::PushAttribute( const char* name, const char* value ) +{ + TIXMLASSERT( _elementJustOpened ); + Print( " %s=\"", name ); + PrintString( value, false ); + Print( "\"" ); +} + + +void XMLPrinter::PushAttribute( const char* name, int v ) +{ + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + PushAttribute( name, buf ); +} + + +void XMLPrinter::PushAttribute( const char* name, unsigned v ) +{ + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + PushAttribute( name, buf ); +} + + +void XMLPrinter::PushAttribute( const char* name, bool v ) +{ + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + PushAttribute( name, buf ); +} + + +void XMLPrinter::PushAttribute( const char* name, double v ) +{ + char buf[BUF_SIZE]; + XMLUtil::ToStr( v, buf, BUF_SIZE ); + PushAttribute( name, buf ); +} + + +void XMLPrinter::CloseElement() +{ + --_depth; + const char* name = _stack.Pop(); + + if ( _elementJustOpened ) { + Print( "/>" ); + } + else { + if ( _textDepth < 0 && !_compactMode) { + Print( "\n" ); + PrintSpace( _depth ); + } + Print( "", name ); + } + + if ( _textDepth == _depth ) { + _textDepth = -1; + } + if ( _depth == 0 && !_compactMode) { + Print( "\n" ); + } + _elementJustOpened = false; +} + + +void XMLPrinter::SealElement() +{ + _elementJustOpened = false; + Print( ">" ); +} + + +void XMLPrinter::PushText( const char* text, bool cdata ) +{ + _textDepth = _depth-1; + + if ( _elementJustOpened ) { + SealElement(); + } + if ( cdata ) { + Print( "" ); + } + else { + PrintString( text, true ); + } +} + +void XMLPrinter::PushText( int value ) +{ + char buf[BUF_SIZE]; + XMLUtil::ToStr( value, buf, BUF_SIZE ); + PushText( buf, false ); +} + + +void XMLPrinter::PushText( unsigned value ) +{ + char buf[BUF_SIZE]; + XMLUtil::ToStr( value, buf, BUF_SIZE ); + PushText( buf, false ); +} + + +void XMLPrinter::PushText( bool value ) +{ + char buf[BUF_SIZE]; + XMLUtil::ToStr( value, buf, BUF_SIZE ); + PushText( buf, false ); +} + + +void XMLPrinter::PushText( float value ) +{ + char buf[BUF_SIZE]; + XMLUtil::ToStr( value, buf, BUF_SIZE ); + PushText( buf, false ); +} + + +void XMLPrinter::PushText( double value ) +{ + char buf[BUF_SIZE]; + XMLUtil::ToStr( value, buf, BUF_SIZE ); + PushText( buf, false ); +} + + +void XMLPrinter::PushComment( const char* comment ) +{ + if ( _elementJustOpened ) { + SealElement(); + } + if ( _textDepth < 0 && !_firstElement && !_compactMode) { + Print( "\n" ); + PrintSpace( _depth ); + } + _firstElement = false; + Print( "", comment ); +} + + +void XMLPrinter::PushDeclaration( const char* value ) +{ + if ( _elementJustOpened ) { + SealElement(); + } + if ( _textDepth < 0 && !_firstElement && !_compactMode) { + Print( "\n" ); + PrintSpace( _depth ); + } + _firstElement = false; + Print( "", value ); +} + + +void XMLPrinter::PushUnknown( const char* value ) +{ + if ( _elementJustOpened ) { + SealElement(); + } + if ( _textDepth < 0 && !_firstElement && !_compactMode) { + Print( "\n" ); + PrintSpace( _depth ); + } + _firstElement = false; + Print( "", value ); +} + + +bool XMLPrinter::VisitEnter( const XMLDocument& doc ) +{ + _processEntities = doc.ProcessEntities(); + if ( doc.HasBOM() ) { + PushHeader( true, false ); + } + return true; +} + + +bool XMLPrinter::VisitEnter( const XMLElement& element, const XMLAttribute* attribute ) +{ + OpenElement( element.Name() ); + while ( attribute ) { + PushAttribute( attribute->Name(), attribute->Value() ); + attribute = attribute->Next(); + } + return true; +} + + +bool XMLPrinter::VisitExit( const XMLElement& ) +{ + CloseElement(); + return true; +} + + +bool XMLPrinter::Visit( const XMLText& text ) +{ + PushText( text.Value(), text.CData() ); + return true; +} + + +bool XMLPrinter::Visit( const XMLComment& comment ) +{ + PushComment( comment.Value() ); + return true; +} + +bool XMLPrinter::Visit( const XMLDeclaration& declaration ) +{ + PushDeclaration( declaration.Value() ); + return true; +} + + +bool XMLPrinter::Visit( const XMLUnknown& unknown ) +{ + PushUnknown( unknown.Value() ); + return true; +} + +} // namespace tinyxml2 + diff --git a/3rdParty/TinyXml/tinyxml2.h b/3rdParty/TinyXml/tinyxml2.h new file mode 100644 index 0000000..ba1b249 --- /dev/null +++ b/3rdParty/TinyXml/tinyxml2.h @@ -0,0 +1,1911 @@ +/* +Original code by 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. +*/ + +#ifndef TINYXML2_INCLUDED +#define TINYXML2_INCLUDED + +#if defined(ANDROID_NDK) || defined(__BORLANDC__) +# include +# include +# include +# include +# include +# include +#else +# include +# include +# include +# include +# include +# include +#endif + +/* + TODO: intern strings instead of allocation. +*/ +/* + gcc: + g++ -Wall -DDEBUG tinyxml2.cpp xmltest.cpp -o gccxmltest.exe + + Formatting, Artistic Style: + AStyle.exe --style=1tbs --indent-switches --break-closing-brackets --indent-preprocessor tinyxml2.cpp tinyxml2.h +*/ + +#if defined( _DEBUG ) || defined( DEBUG ) || defined (__DEBUG__) +# ifndef DEBUG +# define DEBUG +# endif +#endif + + +#if defined(DEBUG) +# if defined(_MSC_VER) +# define TIXMLASSERT( x ) if ( !(x)) { __debugbreak(); } //if ( !(x)) WinDebugBreak() +# elif defined (ANDROID_NDK) +# include +# define TIXMLASSERT( x ) if ( !(x)) { __android_log_assert( "assert", "grinliz", "ASSERT in '%s' at %d.", __FILE__, __LINE__ ); } +# else +# include +# define TIXMLASSERT assert +# endif +# else +# define TIXMLASSERT( x ) {} +#endif + + +#if defined(_MSC_VER) && (_MSC_VER >= 1400 ) +// Microsoft visual studio, version 2005 and higher. +/*int _snprintf_s( + char *buffer, + size_t sizeOfBuffer, + size_t count, + const char *format [, + argument] ... +);*/ +inline int TIXML_SNPRINTF( char* buffer, size_t size, const char* format, ... ) +{ + va_list va; + va_start( va, format ); + int result = vsnprintf_s( buffer, size, _TRUNCATE, format, va ); + va_end( va ); + return result; +} +#define TIXML_SSCANF sscanf_s +#else +// GCC version 3 and higher +//#warning( "Using sn* functions." ) +#define TIXML_SNPRINTF snprintf +#define TIXML_SSCANF sscanf +#endif + +static const int TIXML2_MAJOR_VERSION = 1; +static const int TIXML2_MINOR_VERSION = 0; +static const int TIXML2_PATCH_VERSION = 9; + +namespace tinyxml2 +{ +class XMLDocument; +class XMLElement; +class XMLAttribute; +class XMLComment; +class XMLNode; +class XMLText; +class XMLDeclaration; +class XMLUnknown; + +class XMLPrinter; + +/* + A class that wraps strings. Normally stores the start and end + pointers into the XML file itself, and will apply normalization + and entity translation if actually read. Can also store (and memory + manage) a traditional char[] +*/ +class StrPair +{ +public: + enum { + NEEDS_ENTITY_PROCESSING = 0x01, + NEEDS_NEWLINE_NORMALIZATION = 0x02, + COLLAPSE_WHITESPACE = 0x04, + + TEXT_ELEMENT = NEEDS_ENTITY_PROCESSING | NEEDS_NEWLINE_NORMALIZATION, + TEXT_ELEMENT_LEAVE_ENTITIES = NEEDS_NEWLINE_NORMALIZATION, + ATTRIBUTE_NAME = 0, + ATTRIBUTE_VALUE = NEEDS_ENTITY_PROCESSING | NEEDS_NEWLINE_NORMALIZATION, + ATTRIBUTE_VALUE_LEAVE_ENTITIES = NEEDS_NEWLINE_NORMALIZATION, + COMMENT = NEEDS_NEWLINE_NORMALIZATION + }; + + StrPair() : _flags( 0 ), _start( 0 ), _end( 0 ) {} + ~StrPair(); + + void Set( char* start, char* end, int flags ) { + Reset(); + _start = start; + _end = end; + _flags = flags | NEEDS_FLUSH; + } + + const char* GetStr(); + + bool Empty() const { + return _start == _end; + } + + void SetInternedStr( const char* str ) { + Reset(); + _start = const_cast(str); + } + + void SetStr( const char* str, int flags=0 ); + + char* ParseText( char* in, const char* endTag, int strFlags ); + char* ParseName( char* in ); + +private: + void Reset(); + void CollapseWhitespace(); + + enum { + NEEDS_FLUSH = 0x100, + NEEDS_DELETE = 0x200 + }; + + // After parsing, if *end != 0, it can be set to zero. + int _flags; + char* _start; + char* _end; +}; + + +/* + A dynamic array of Plain Old Data. Doesn't support constructors, etc. + Has a small initial memory pool, so that low or no usage will not + cause a call to new/delete +*/ +template +class DynArray +{ +public: + DynArray< T, INIT >() { + _mem = _pool; + _allocated = INIT; + _size = 0; + } + + ~DynArray() { + if ( _mem != _pool ) { + delete [] _mem; + } + } + + void Push( T t ) { + EnsureCapacity( _size+1 ); + _mem[_size++] = t; + } + + T* PushArr( int count ) { + EnsureCapacity( _size+count ); + T* ret = &_mem[_size]; + _size += count; + return ret; + } + + T Pop() { + return _mem[--_size]; + } + + void PopArr( int count ) { + TIXMLASSERT( _size >= count ); + _size -= count; + } + + bool Empty() const { + return _size == 0; + } + + T& operator[](int i) { + TIXMLASSERT( i>= 0 && i < _size ); + return _mem[i]; + } + + const T& operator[](int i) const { + TIXMLASSERT( i>= 0 && i < _size ); + return _mem[i]; + } + + int Size() const { + return _size; + } + + int Capacity() const { + return _allocated; + } + + const T* Mem() const { + return _mem; + } + + T* Mem() { + return _mem; + } + +private: + void EnsureCapacity( int cap ) { + if ( cap > _allocated ) { + int newAllocated = cap * 2; + T* newMem = new T[newAllocated]; + memcpy( newMem, _mem, sizeof(T)*_size ); // warning: not using constructors, only works for PODs + if ( _mem != _pool ) { + delete [] _mem; + } + _mem = newMem; + _allocated = newAllocated; + } + } + + T* _mem; + T _pool[INIT]; + int _allocated; // objects allocated + int _size; // number objects in use +}; + + +/* + Parent virtual class of a pool for fast allocation + and deallocation of objects. +*/ +class MemPool +{ +public: + MemPool() {} + virtual ~MemPool() {} + + virtual int ItemSize() const = 0; + virtual void* Alloc() = 0; + virtual void Free( void* ) = 0; + virtual void SetTracked() = 0; +}; + + +/* + Template child class to create pools of the correct type. +*/ +template< int SIZE > +class MemPoolT : public MemPool +{ +public: + MemPoolT() : _root(0), _currentAllocs(0), _nAllocs(0), _maxAllocs(0), _nUntracked(0) {} + ~MemPoolT() { + // Delete the blocks. + for( int i=0; i<_blockPtrs.Size(); ++i ) { + delete _blockPtrs[i]; + } + } + + virtual int ItemSize() const { + return SIZE; + } + int CurrentAllocs() const { + return _currentAllocs; + } + + virtual void* Alloc() { + if ( !_root ) { + // Need a new block. + Block* block = new Block(); + _blockPtrs.Push( block ); + + for( int i=0; ichunk[i].next = &block->chunk[i+1]; + } + block->chunk[COUNT-1].next = 0; + _root = block->chunk; + } + void* result = _root; + _root = _root->next; + + ++_currentAllocs; + if ( _currentAllocs > _maxAllocs ) { + _maxAllocs = _currentAllocs; + } + _nAllocs++; + _nUntracked++; + return result; + } + virtual void Free( void* mem ) { + if ( !mem ) { + return; + } + --_currentAllocs; + Chunk* chunk = (Chunk*)mem; +#ifdef DEBUG + memset( chunk, 0xfe, sizeof(Chunk) ); +#endif + chunk->next = _root; + _root = chunk; + } + void Trace( const char* name ) { + printf( "Mempool %s watermark=%d [%dk] current=%d size=%d nAlloc=%d blocks=%d\n", + name, _maxAllocs, _maxAllocs*SIZE/1024, _currentAllocs, SIZE, _nAllocs, _blockPtrs.Size() ); + } + + void SetTracked() { + _nUntracked--; + } + + int Untracked() const { + return _nUntracked; + } + + enum { COUNT = 1024/SIZE }; // Some compilers do not accept to use COUNT in private part if COUNT is private + +private: + union Chunk { + Chunk* next; + char mem[SIZE]; + }; + struct Block { + Chunk chunk[COUNT]; + }; + DynArray< Block*, 10 > _blockPtrs; + Chunk* _root; + + int _currentAllocs; + int _nAllocs; + int _maxAllocs; + int _nUntracked; +}; + + + +/** + Implements the interface to the "Visitor pattern" (see the Accept() method.) + If you call the Accept() method, it requires being passed a XMLVisitor + class to handle callbacks. For nodes that contain other nodes (Document, Element) + you will get called with a VisitEnter/VisitExit pair. Nodes that are always leafs + are simply called with Visit(). + + If you return 'true' from a Visit method, recursive parsing will continue. If you return + false, no children of this node or its sibilings will be visited. + + All flavors of Visit methods have a default implementation that returns 'true' (continue + visiting). You need to only override methods that are interesting to you. + + Generally Accept() is called on the TiXmlDocument, although all nodes support visiting. + + You should never change the document from a callback. + + @sa XMLNode::Accept() +*/ +class XMLVisitor +{ +public: + virtual ~XMLVisitor() {} + + /// Visit a document. + virtual bool VisitEnter( const XMLDocument& /*doc*/ ) { + return true; + } + /// Visit a document. + virtual bool VisitExit( const XMLDocument& /*doc*/ ) { + return true; + } + + /// Visit an element. + virtual bool VisitEnter( const XMLElement& /*element*/, const XMLAttribute* /*firstAttribute*/ ) { + return true; + } + /// Visit an element. + virtual bool VisitExit( const XMLElement& /*element*/ ) { + return true; + } + + /// Visit a declaration. + virtual bool Visit( const XMLDeclaration& /*declaration*/ ) { + return true; + } + /// Visit a text node. + virtual bool Visit( const XMLText& /*text*/ ) { + return true; + } + /// Visit a comment node. + virtual bool Visit( const XMLComment& /*comment*/ ) { + return true; + } + /// Visit an unknown node. + virtual bool Visit( const XMLUnknown& /*unknown*/ ) { + return true; + } +}; + + +/* + Utility functionality. +*/ +class XMLUtil +{ +public: + // Anything in the high order range of UTF-8 is assumed to not be whitespace. This isn't + // correct, but simple, and usually works. + static const char* SkipWhiteSpace( const char* p ) { + while( !IsUTF8Continuation(*p) && isspace( *reinterpret_cast(p) ) ) { + ++p; + } + return p; + } + static char* SkipWhiteSpace( char* p ) { + while( !IsUTF8Continuation(*p) && isspace( *reinterpret_cast(p) ) ) { + ++p; + } + return p; + } + static bool IsWhiteSpace( char p ) { + return !IsUTF8Continuation(p) && isspace( static_cast(p) ); + } + + inline static bool StringEqual( const char* p, const char* q, int nChar=INT_MAX ) { + int n = 0; + if ( p == q ) { + return true; + } + while( *p && *q && *p == *q && n(const_cast(this)->FirstChildElement( value )); + } + + /// Get the last child node, or null if none exists. + const XMLNode* LastChild() const { + return _lastChild; + } + + XMLNode* LastChild() { + return const_cast(const_cast(this)->LastChild() ); + } + + /** Get the last child element or optionally the last child + element with the specified name. + */ + const XMLElement* LastChildElement( const char* value=0 ) const; + + XMLElement* LastChildElement( const char* value=0 ) { + return const_cast(const_cast(this)->LastChildElement(value) ); + } + + /// Get the previous (left) sibling node of this node. + const XMLNode* PreviousSibling() const { + return _prev; + } + + XMLNode* PreviousSibling() { + return _prev; + } + + /// Get the previous (left) sibling element of this node, with an opitionally supplied name. + const XMLElement* PreviousSiblingElement( const char* value=0 ) const ; + + XMLElement* PreviousSiblingElement( const char* value=0 ) { + return const_cast(const_cast(this)->PreviousSiblingElement( value ) ); + } + + /// Get the next (right) sibling node of this node. + const XMLNode* NextSibling() const { + return _next; + } + + XMLNode* NextSibling() { + return _next; + } + + /// Get the next (right) sibling element of this node, with an opitionally supplied name. + const XMLElement* NextSiblingElement( const char* value=0 ) const; + + XMLElement* NextSiblingElement( const char* value=0 ) { + return const_cast(const_cast(this)->NextSiblingElement( value ) ); + } + + /** + Add a child node as the last (right) child. + */ + XMLNode* InsertEndChild( XMLNode* addThis ); + + XMLNode* LinkEndChild( XMLNode* addThis ) { + return InsertEndChild( addThis ); + } + /** + Add a child node as the first (left) child. + */ + XMLNode* InsertFirstChild( XMLNode* addThis ); + /** + Add a node after the specified child node. + */ + XMLNode* InsertAfterChild( XMLNode* afterThis, XMLNode* addThis ); + + /** + Delete all the children of this node. + */ + void DeleteChildren(); + + /** + Delete a child of this node. + */ + void DeleteChild( XMLNode* node ); + + /** + Make a copy of this node, but not its children. + You may pass in a Document pointer that will be + the owner of the new Node. If the 'document' is + null, then the node returned will be allocated + from the current Document. (this->GetDocument()) + + Note: if called on a XMLDocument, this will return null. + */ + virtual XMLNode* ShallowClone( XMLDocument* document ) const = 0; + + /** + Test if 2 nodes are the same, but don't test children. + The 2 nodes do not need to be in the same Document. + + Note: if called on a XMLDocument, this will return false. + */ + virtual bool ShallowEqual( const XMLNode* compare ) const = 0; + + /** Accept a hierarchical visit of the nodes in the TinyXML DOM. Every node in the + XML tree will be conditionally visited and the host will be called back + via the TiXmlVisitor interface. + + This is essentially a SAX interface for TinyXML. (Note however it doesn't re-parse + the XML for the callbacks, so the performance of TinyXML is unchanged by using this + interface versus any other.) + + The interface has been based on ideas from: + + - http://www.saxproject.org/ + - http://c2.com/cgi/wiki?HierarchicalVisitorPattern + + Which are both good references for "visiting". + + An example of using Accept(): + @verbatim + TiXmlPrinter printer; + tinyxmlDoc.Accept( &printer ); + const char* xmlcstr = printer.CStr(); + @endverbatim + */ + virtual bool Accept( XMLVisitor* visitor ) const = 0; + + // internal + virtual char* ParseDeep( char*, StrPair* ); + +protected: + XMLNode( XMLDocument* ); + virtual ~XMLNode(); + XMLNode( const XMLNode& ); // not supported + XMLNode& operator=( const XMLNode& ); // not supported + + XMLDocument* _document; + XMLNode* _parent; + mutable StrPair _value; + + XMLNode* _firstChild; + XMLNode* _lastChild; + + XMLNode* _prev; + XMLNode* _next; + +private: + MemPool* _memPool; + void Unlink( XMLNode* child ); +}; + + +/** XML text. + + Note that a text node can have child element nodes, for example: + @verbatim + This is bold + @endverbatim + + 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 XMLText : public XMLNode +{ + friend class XMLBase; + friend class XMLDocument; +public: + virtual bool Accept( XMLVisitor* visitor ) const; + + virtual XMLText* ToText() { + return this; + } + virtual const XMLText* ToText() const { + return this; + } + + /// Declare whether this should be CDATA or standard text. + void SetCData( bool isCData ) { + _isCData = isCData; + } + /// Returns true if this is a CDATA text element. + bool CData() const { + return _isCData; + } + + char* ParseDeep( char*, StrPair* endTag ); + virtual XMLNode* ShallowClone( XMLDocument* document ) const; + virtual bool ShallowEqual( const XMLNode* compare ) const; + +protected: + XMLText( XMLDocument* doc ) : XMLNode( doc ), _isCData( false ) {} + virtual ~XMLText() {} + XMLText( const XMLText& ); // not supported + XMLText& operator=( const XMLText& ); // not supported + +private: + bool _isCData; +}; + + +/** An XML Comment. */ +class XMLComment : public XMLNode +{ + friend class XMLDocument; +public: + virtual XMLComment* ToComment() { + return this; + } + virtual const XMLComment* ToComment() const { + return this; + } + + virtual bool Accept( XMLVisitor* visitor ) const; + + char* ParseDeep( char*, StrPair* endTag ); + virtual XMLNode* ShallowClone( XMLDocument* document ) const; + virtual bool ShallowEqual( const XMLNode* compare ) const; + +protected: + XMLComment( XMLDocument* doc ); + virtual ~XMLComment(); + XMLComment( const XMLComment& ); // not supported + XMLComment& operator=( const XMLComment& ); // not supported + +private: +}; + + +/** In correct XML the declaration is the first entry in the file. + @verbatim + + @endverbatim + + TinyXML2 will happily read or write files without a declaration, + however. + + The text of the declaration isn't interpreted. It is parsed + and written as a string. +*/ +class XMLDeclaration : public XMLNode +{ + friend class XMLDocument; +public: + virtual XMLDeclaration* ToDeclaration() { + return this; + } + virtual const XMLDeclaration* ToDeclaration() const { + return this; + } + + virtual bool Accept( XMLVisitor* visitor ) const; + + char* ParseDeep( char*, StrPair* endTag ); + virtual XMLNode* ShallowClone( XMLDocument* document ) const; + virtual bool ShallowEqual( const XMLNode* compare ) const; + +protected: + XMLDeclaration( XMLDocument* doc ); + virtual ~XMLDeclaration(); + XMLDeclaration( const XMLDeclaration& ); // not supported + XMLDeclaration& operator=( const XMLDeclaration& ); // not supported +}; + + +/** 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 XMLUnknown : public XMLNode +{ + friend class XMLDocument; +public: + virtual XMLUnknown* ToUnknown() { + return this; + } + virtual const XMLUnknown* ToUnknown() const { + return this; + } + + virtual bool Accept( XMLVisitor* visitor ) const; + + char* ParseDeep( char*, StrPair* endTag ); + virtual XMLNode* ShallowClone( XMLDocument* document ) const; + virtual bool ShallowEqual( const XMLNode* compare ) const; + +protected: + XMLUnknown( XMLDocument* doc ); + virtual ~XMLUnknown(); + XMLUnknown( const XMLUnknown& ); // not supported + XMLUnknown& operator=( const XMLUnknown& ); // not supported +}; + + +enum XMLError { + XML_NO_ERROR = 0, + XML_SUCCESS = 0, + + XML_NO_ATTRIBUTE, + XML_WRONG_ATTRIBUTE_TYPE, + + XML_ERROR_FILE_NOT_FOUND, + XML_ERROR_FILE_COULD_NOT_BE_OPENED, + XML_ERROR_FILE_READ_ERROR, + XML_ERROR_ELEMENT_MISMATCH, + XML_ERROR_PARSING_ELEMENT, + XML_ERROR_PARSING_ATTRIBUTE, + XML_ERROR_IDENTIFYING_TAG, + XML_ERROR_PARSING_TEXT, + XML_ERROR_PARSING_CDATA, + XML_ERROR_PARSING_COMMENT, + XML_ERROR_PARSING_DECLARATION, + XML_ERROR_PARSING_UNKNOWN, + XML_ERROR_EMPTY_DOCUMENT, + XML_ERROR_MISMATCHED_ELEMENT, + XML_ERROR_PARSING, + + XML_CAN_NOT_CONVERT_TEXT, + XML_NO_TEXT_NODE +}; + + +/** An attribute is a name-value pair. Elements have an arbitrary + number of attributes, each with a unique name. + + @note The attributes are not XMLNodes. You may only query the + Next() attribute in a list. +*/ +class XMLAttribute +{ + friend class XMLElement; +public: + /// The name of the attribute. + const char* Name() const { + return _name.GetStr(); + } + /// The value of the attribute. + const char* Value() const { + return _value.GetStr(); + } + /// The next attribute in the list. + const XMLAttribute* Next() const { + return _next; + } + + /** IntAttribute interprets the attribute as an integer, and returns the value. + If the value isn't an integer, 0 will be returned. There is no error checking; + use QueryIntAttribute() if you need error checking. + */ + int IntValue() const { + int i=0; + QueryIntValue( &i ); + return i; + } + /// Query as an unsigned integer. See IntAttribute() + unsigned UnsignedValue() const { + unsigned i=0; + QueryUnsignedValue( &i ); + return i; + } + /// Query as a boolean. See IntAttribute() + bool BoolValue() const { + bool b=false; + QueryBoolValue( &b ); + return b; + } + /// Query as a double. See IntAttribute() + double DoubleValue() const { + double d=0; + QueryDoubleValue( &d ); + return d; + } + /// Query as a float. See IntAttribute() + float FloatValue() const { + float f=0; + QueryFloatValue( &f ); + return f; + } + + /** QueryIntAttribute interprets the attribute as an integer, and returns the value + in the provided paremeter. The function will return XML_NO_ERROR on success, + and XML_WRONG_ATTRIBUTE_TYPE if the conversion is not successful. + */ + XMLError QueryIntValue( int* value ) const; + /// See QueryIntAttribute + XMLError QueryUnsignedValue( unsigned int* value ) const; + /// See QueryIntAttribute + XMLError QueryBoolValue( bool* value ) const; + /// See QueryIntAttribute + XMLError QueryDoubleValue( double* value ) const; + /// See QueryIntAttribute + XMLError QueryFloatValue( float* value ) const; + + /// Set the attribute to a string value. + void SetAttribute( const char* value ); + /// Set the attribute to value. + void SetAttribute( int value ); + /// Set the attribute to value. + void SetAttribute( unsigned value ); + /// Set the attribute to value. + void SetAttribute( bool value ); + /// Set the attribute to value. + void SetAttribute( double value ); + /// Set the attribute to value. + void SetAttribute( float value ); + +private: + enum { BUF_SIZE = 200 }; + + XMLAttribute() : _next( 0 ) {} + virtual ~XMLAttribute() {} + + XMLAttribute( const XMLAttribute& ); // not supported + void operator=( const XMLAttribute& ); // not supported + void SetName( const char* name ); + + char* ParseDeep( char* p, bool processEntities ); + + mutable StrPair _name; + mutable StrPair _value; + XMLAttribute* _next; + MemPool* _memPool; +}; + + +/** 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 XMLElement : public XMLNode +{ + friend class XMLBase; + friend class XMLDocument; +public: + /// Get the name of an element (which is the Value() of the node.) + const char* Name() const { + return Value(); + } + /// Set the name of the element. + void SetName( const char* str, bool staticMem=false ) { + SetValue( str, staticMem ); + } + + virtual XMLElement* ToElement() { + return this; + } + virtual const XMLElement* ToElement() const { + return this; + } + virtual bool Accept( XMLVisitor* visitor ) const; + + /** Given an attribute name, Attribute() returns the value + for the attribute of that name, or null if none + exists. For example: + + @verbatim + const char* value = ele->Attribute( "foo" ); + @endverbatim + + The 'value' parameter is normally null. However, if specified, + the attribute will only be returned if the 'name' and 'value' + match. This allow you to write code: + + @verbatim + if ( ele->Attribute( "foo", "bar" ) ) callFooIsBar(); + @endverbatim + + rather than: + @verbatim + if ( ele->Attribute( "foo" ) ) { + if ( strcmp( ele->Attribute( "foo" ), "bar" ) == 0 ) callFooIsBar(); + } + @endverbatim + */ + const char* Attribute( const char* name, const char* value=0 ) const; + + /** Given an attribute name, IntAttribute() returns the value + of the attribute interpreted as an integer. 0 will be + returned if there is an error. For a method with error + checking, see QueryIntAttribute() + */ + int IntAttribute( const char* name ) const { + int i=0; + QueryIntAttribute( name, &i ); + return i; + } + /// See IntAttribute() + unsigned UnsignedAttribute( const char* name ) const { + unsigned i=0; + QueryUnsignedAttribute( name, &i ); + return i; + } + /// See IntAttribute() + bool BoolAttribute( const char* name ) const { + bool b=false; + QueryBoolAttribute( name, &b ); + return b; + } + /// See IntAttribute() + double DoubleAttribute( const char* name ) const { + double d=0; + QueryDoubleAttribute( name, &d ); + return d; + } + /// See IntAttribute() + float FloatAttribute( const char* name ) const { + float f=0; + QueryFloatAttribute( name, &f ); + return f; + } + + /** Given an attribute name, QueryIntAttribute() returns + XML_NO_ERROR, XML_WRONG_ATTRIBUTE_TYPE if the conversion + can't be performed, or XML_NO_ATTRIBUTE if the attribute + doesn't exist. If successful, the result of the conversion + will be written to 'value'. If not successful, nothing will + be written to 'value'. This allows you to provide default + value: + + @verbatim + int value = 10; + QueryIntAttribute( "foo", &value ); // if "foo" isn't found, value will still be 10 + @endverbatim + */ + XMLError QueryIntAttribute( const char* name, int* value ) const { + const XMLAttribute* a = FindAttribute( name ); + if ( !a ) { + return XML_NO_ATTRIBUTE; + } + return a->QueryIntValue( value ); + } + /// See QueryIntAttribute() + XMLError QueryUnsignedAttribute( const char* name, unsigned int* value ) const { + const XMLAttribute* a = FindAttribute( name ); + if ( !a ) { + return XML_NO_ATTRIBUTE; + } + return a->QueryUnsignedValue( value ); + } + /// See QueryIntAttribute() + XMLError QueryBoolAttribute( const char* name, bool* value ) const { + const XMLAttribute* a = FindAttribute( name ); + if ( !a ) { + return XML_NO_ATTRIBUTE; + } + return a->QueryBoolValue( value ); + } + /// See QueryIntAttribute() + XMLError QueryDoubleAttribute( const char* name, double* value ) const { + const XMLAttribute* a = FindAttribute( name ); + if ( !a ) { + return XML_NO_ATTRIBUTE; + } + return a->QueryDoubleValue( value ); + } + /// See QueryIntAttribute() + XMLError QueryFloatAttribute( const char* name, float* value ) const { + const XMLAttribute* a = FindAttribute( name ); + if ( !a ) { + return XML_NO_ATTRIBUTE; + } + return a->QueryFloatValue( value ); + } + + /// Sets the named attribute to value. + void SetAttribute( const char* name, const char* value ) { + XMLAttribute* a = FindOrCreateAttribute( name ); + a->SetAttribute( value ); + } + /// Sets the named attribute to value. + void SetAttribute( const char* name, int value ) { + XMLAttribute* a = FindOrCreateAttribute( name ); + a->SetAttribute( value ); + } + /// Sets the named attribute to value. + void SetAttribute( const char* name, unsigned value ) { + XMLAttribute* a = FindOrCreateAttribute( name ); + a->SetAttribute( value ); + } + /// Sets the named attribute to value. + void SetAttribute( const char* name, bool value ) { + XMLAttribute* a = FindOrCreateAttribute( name ); + a->SetAttribute( value ); + } + /// Sets the named attribute to value. + void SetAttribute( const char* name, double value ) { + XMLAttribute* a = FindOrCreateAttribute( name ); + a->SetAttribute( value ); + } + + /** + Delete an attribute. + */ + void DeleteAttribute( const char* name ); + + /// Return the first attribute in the list. + const XMLAttribute* FirstAttribute() const { + return _rootAttribute; + } + /// Query a specific attribute in the list. + const XMLAttribute* FindAttribute( const char* name ) const; + + /** 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 + This is text + 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 + This is text + @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 + This is text + @endverbatim + GetText() will return "This is ". + */ + const char* GetText() const; + + /** + Convenience method to query the value of a child text node. This is probably best + shown by example. Given you have a document is this form: + @verbatim + + 1 + 1.4 + + @endverbatim + + The QueryIntText() and similar functions provide a safe and easier way to get to the + "value" of x and y. + + @verbatim + int x = 0; + float y = 0; // types of x and y are contrived for example + const XMLElement* xElement = pointElement->FirstChildElement( "x" ); + const XMLElement* yElement = pointElement->FirstChildElement( "y" ); + xElement->QueryIntText( &x ); + yElement->QueryFloatText( &y ); + @endverbatim + + @returns XML_SUCCESS (0) on success, XML_CAN_NOT_CONVERT_TEXT if the text cannot be converted + to the requested type, and XML_NO_TEXT_NODE if there is no child text to query. + + */ + XMLError QueryIntText( int* ival ) const; + /// See QueryIntText() + XMLError QueryUnsignedText( unsigned* uval ) const; + /// See QueryIntText() + XMLError QueryBoolText( bool* bval ) const; + /// See QueryIntText() + XMLError QueryDoubleText( double* dval ) const; + /// See QueryIntText() + XMLError QueryFloatText( float* fval ) const; + + // internal: + enum { + OPEN, // + CLOSED, // + CLOSING // + }; + int ClosingType() const { + return _closingType; + } + char* ParseDeep( char* p, StrPair* endTag ); + virtual XMLNode* ShallowClone( XMLDocument* document ) const; + virtual bool ShallowEqual( const XMLNode* compare ) const; + +private: + XMLElement( XMLDocument* doc ); + virtual ~XMLElement(); + XMLElement( const XMLElement& ); // not supported + void operator=( const XMLElement& ); // not supported + + XMLAttribute* FindAttribute( const char* name ); + XMLAttribute* FindOrCreateAttribute( const char* name ); + //void LinkAttribute( XMLAttribute* attrib ); + char* ParseAttributes( char* p ); + + int _closingType; + // The attribute list is ordered; there is no 'lastAttribute' + // because the list needs to be scanned for dupes before adding + // a new attribute. + XMLAttribute* _rootAttribute; +}; + + +enum Whitespace { + PRESERVE_WHITESPACE, + COLLAPSE_WHITESPACE +}; + + +/** A Document binds together all the functionality. + It can be saved, loaded, and printed to the screen. + All Nodes are connected and allocated to a Document. + If the Document is deleted, all its Nodes are also deleted. +*/ +class XMLDocument : public XMLNode +{ + friend class XMLElement; +public: + /// constructor + XMLDocument( bool processEntities = true, Whitespace = PRESERVE_WHITESPACE ); + ~XMLDocument(); + + virtual XMLDocument* ToDocument() { + return this; + } + virtual const XMLDocument* ToDocument() const { + return this; + } + + /** + Parse an XML file from a character string. + Returns XML_NO_ERROR (0) on success, or + an errorID. + + You may optionally pass in the 'nBytes', which is + the number of bytes which will be parsed. If not + specified, TinyXML will assume 'xml' points to a + null terminated string. + */ + XMLError Parse( const char* xml, size_t nBytes=(size_t)(-1) ); + + /** + Load an XML file from disk. + Returns XML_NO_ERROR (0) on success, or + an errorID. + */ + XMLError LoadFile( const char* filename ); + + /** + Load an XML file from disk. You are responsible + for providing and closing the FILE*. + + Returns XML_NO_ERROR (0) on success, or + an errorID. + */ + XMLError LoadFile( FILE* ); + + /** + Save the XML file to disk. + Returns XML_NO_ERROR (0) on success, or + an errorID. + */ + XMLError SaveFile( const char* filename, bool compact = false ); + + /** + Save the XML file to disk. You are responsible + for providing and closing the FILE*. + + Returns XML_NO_ERROR (0) on success, or + an errorID. + */ + XMLError SaveFile( FILE* fp, bool compact = false ); + + bool ProcessEntities() const { + return _processEntities; + } + Whitespace WhitespaceMode() const { + return _whitespace; + } + + /** + Returns true if this document has a leading Byte Order Mark of UTF8. + */ + bool HasBOM() const { + return _writeBOM; + } + /** Sets whether to write the BOM when writing the file. + */ + void SetBOM( bool useBOM ) { + _writeBOM = useBOM; + } + + /** Return the root element of DOM. Equivalent to FirstChildElement(). + To get the first node, use FirstChild(). + */ + XMLElement* RootElement() { + return FirstChildElement(); + } + const XMLElement* RootElement() const { + return FirstChildElement(); + } + + /** Print the Document. If the Printer is not provided, it will + print to stdout. If you provide Printer, this can print to a file: + @verbatim + XMLPrinter printer( fp ); + doc.Print( &printer ); + @endverbatim + + Or you can use a printer to print to memory: + @verbatim + XMLPrinter printer; + doc->Print( &printer ); + // printer.CStr() has a const char* to the XML + @endverbatim + */ + void Print( XMLPrinter* streamer=0 ); + virtual bool Accept( XMLVisitor* visitor ) const; + + /** + Create a new Element associated with + this Document. The memory for the Element + is managed by the Document. + */ + XMLElement* NewElement( const char* name ); + /** + Create a new Comment associated with + this Document. The memory for the Comment + is managed by the Document. + */ + XMLComment* NewComment( const char* comment ); + /** + Create a new Text associated with + this Document. The memory for the Text + is managed by the Document. + */ + XMLText* NewText( const char* text ); + /** + Create a new Declaration associated with + this Document. The memory for the object + is managed by the Document. + + If the 'text' param is null, the standard + declaration is used.: + @verbatim + + @endverbatim + */ + XMLDeclaration* NewDeclaration( const char* text=0 ); + /** + Create a new Unknown associated with + this Document. The memory forthe object + is managed by the Document. + */ + XMLUnknown* NewUnknown( const char* text ); + + /** + Delete a node associated with this document. + It will be unlinked from the DOM. + */ + void DeleteNode( XMLNode* node ) { + node->_parent->DeleteChild( node ); + } + + void SetError( XMLError error, const char* str1, const char* str2 ); + + /// Return true if there was an error parsing the document. + bool Error() const { + return _errorID != XML_NO_ERROR; + } + /// Return the errorID. + XMLError ErrorID() const { + return _errorID; + } + /// Return a possibly helpful diagnostic location or string. + const char* GetErrorStr1() const { + return _errorStr1; + } + /// Return a possibly helpful secondary diagnostic location or string. + const char* GetErrorStr2() const { + return _errorStr2; + } + /// If there is an error, print it to stdout. + void PrintError() const; + + // internal + char* Identify( char* p, XMLNode** node ); + + virtual XMLNode* ShallowClone( XMLDocument* /*document*/ ) const { + return 0; + } + virtual bool ShallowEqual( const XMLNode* /*compare*/ ) const { + return false; + } + +private: + XMLDocument( const XMLDocument& ); // not supported + void operator=( const XMLDocument& ); // not supported + void InitDocument(); + + bool _writeBOM; + bool _processEntities; + XMLError _errorID; + Whitespace _whitespace; + const char* _errorStr1; + const char* _errorStr2; + char* _charBuffer; + + MemPoolT< sizeof(XMLElement) > _elementPool; + MemPoolT< sizeof(XMLAttribute) > _attributePool; + MemPoolT< sizeof(XMLText) > _textPool; + MemPoolT< sizeof(XMLComment) > _commentPool; +}; + + +/** + A XMLHandle is a class that wraps a node pointer with null checks; this is + an incredibly useful thing. Note that XMLHandle is not part of the TinyXML + DOM structure. It is a separate utility class. + + Take an example: + @verbatim + + + + + + + @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 + XMLElement* root = document.FirstChildElement( "Document" ); + if ( root ) + { + XMLElement* element = root->FirstChildElement( "Element" ); + if ( element ) + { + XMLElement* child = element->FirstChildElement( "Child" ); + if ( child ) + { + XMLElement* child2 = child->NextSiblingElement( "Child" ); + if ( child2 ) + { + // Finally do something useful. + @endverbatim + + And that doesn't even cover "else" cases. XMLHandle addresses the verbosity + of such code. A XMLHandle checks for null pointers so it is perfectly safe + and correct to use: + + @verbatim + XMLHandle docHandle( &document ); + XMLElement* child2 = docHandle.FirstChild( "Document" ).FirstChild( "Element" ).FirstChild().NextSibling().ToElement(); + 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 + XMLHandle handleCopy = handle; + @endverbatim + + See also XMLConstHandle, which is the same as XMLHandle, but operates on const objects. +*/ +class XMLHandle +{ +public: + /// Create a handle from any node (at any depth of the tree.) This can be a null pointer. + XMLHandle( XMLNode* node ) { + _node = node; + } + /// Create a handle from a node. + XMLHandle( XMLNode& node ) { + _node = &node; + } + /// Copy constructor + XMLHandle( const XMLHandle& ref ) { + _node = ref._node; + } + /// Assignment + XMLHandle& operator=( const XMLHandle& ref ) { + _node = ref._node; + return *this; + } + + /// Get the first child of this handle. + XMLHandle FirstChild() { + return XMLHandle( _node ? _node->FirstChild() : 0 ); + } + /// Get the first child element of this handle. + XMLHandle FirstChildElement( const char* value=0 ) { + return XMLHandle( _node ? _node->FirstChildElement( value ) : 0 ); + } + /// Get the last child of this handle. + XMLHandle LastChild() { + return XMLHandle( _node ? _node->LastChild() : 0 ); + } + /// Get the last child element of this handle. + XMLHandle LastChildElement( const char* _value=0 ) { + return XMLHandle( _node ? _node->LastChildElement( _value ) : 0 ); + } + /// Get the previous sibling of this handle. + XMLHandle PreviousSibling() { + return XMLHandle( _node ? _node->PreviousSibling() : 0 ); + } + /// Get the previous sibling element of this handle. + XMLHandle PreviousSiblingElement( const char* _value=0 ) { + return XMLHandle( _node ? _node->PreviousSiblingElement( _value ) : 0 ); + } + /// Get the next sibling of this handle. + XMLHandle NextSibling() { + return XMLHandle( _node ? _node->NextSibling() : 0 ); + } + /// Get the next sibling element of this handle. + XMLHandle NextSiblingElement( const char* _value=0 ) { + return XMLHandle( _node ? _node->NextSiblingElement( _value ) : 0 ); + } + + /// Safe cast to XMLNode. This can return null. + XMLNode* ToNode() { + return _node; + } + /// Safe cast to XMLElement. This can return null. + XMLElement* ToElement() { + return ( ( _node && _node->ToElement() ) ? _node->ToElement() : 0 ); + } + /// Safe cast to XMLText. This can return null. + XMLText* ToText() { + return ( ( _node && _node->ToText() ) ? _node->ToText() : 0 ); + } + /// Safe cast to XMLUnknown. This can return null. + XMLUnknown* ToUnknown() { + return ( ( _node && _node->ToUnknown() ) ? _node->ToUnknown() : 0 ); + } + /// Safe cast to XMLDeclaration. This can return null. + XMLDeclaration* ToDeclaration() { + return ( ( _node && _node->ToDeclaration() ) ? _node->ToDeclaration() : 0 ); + } + +private: + XMLNode* _node; +}; + + +/** + A variant of the XMLHandle class for working with const XMLNodes and Documents. It is the + same in all regards, except for the 'const' qualifiers. See XMLHandle for API. +*/ +class XMLConstHandle +{ +public: + XMLConstHandle( const XMLNode* node ) { + _node = node; + } + XMLConstHandle( const XMLNode& node ) { + _node = &node; + } + XMLConstHandle( const XMLConstHandle& ref ) { + _node = ref._node; + } + + XMLConstHandle& operator=( const XMLConstHandle& ref ) { + _node = ref._node; + return *this; + } + + const XMLConstHandle FirstChild() const { + return XMLConstHandle( _node ? _node->FirstChild() : 0 ); + } + const XMLConstHandle FirstChildElement( const char* value=0 ) const { + return XMLConstHandle( _node ? _node->FirstChildElement( value ) : 0 ); + } + const XMLConstHandle LastChild() const { + return XMLConstHandle( _node ? _node->LastChild() : 0 ); + } + const XMLConstHandle LastChildElement( const char* _value=0 ) const { + return XMLConstHandle( _node ? _node->LastChildElement( _value ) : 0 ); + } + const XMLConstHandle PreviousSibling() const { + return XMLConstHandle( _node ? _node->PreviousSibling() : 0 ); + } + const XMLConstHandle PreviousSiblingElement( const char* _value=0 ) const { + return XMLConstHandle( _node ? _node->PreviousSiblingElement( _value ) : 0 ); + } + const XMLConstHandle NextSibling() const { + return XMLConstHandle( _node ? _node->NextSibling() : 0 ); + } + const XMLConstHandle NextSiblingElement( const char* _value=0 ) const { + return XMLConstHandle( _node ? _node->NextSiblingElement( _value ) : 0 ); + } + + + const XMLNode* ToNode() const { + return _node; + } + const XMLElement* ToElement() const { + return ( ( _node && _node->ToElement() ) ? _node->ToElement() : 0 ); + } + const XMLText* ToText() const { + return ( ( _node && _node->ToText() ) ? _node->ToText() : 0 ); + } + const XMLUnknown* ToUnknown() const { + return ( ( _node && _node->ToUnknown() ) ? _node->ToUnknown() : 0 ); + } + const XMLDeclaration* ToDeclaration() const { + return ( ( _node && _node->ToDeclaration() ) ? _node->ToDeclaration() : 0 ); + } + +private: + const XMLNode* _node; +}; + + +/** + Printing functionality. The XMLPrinter gives you more + options than the XMLDocument::Print() method. + + It can: + -# Print to memory. + -# Print to a file you provide. + -# Print XML without a XMLDocument. + + Print to Memory + + @verbatim + XMLPrinter printer; + doc->Print( &printer ); + SomeFunction( printer.CStr() ); + @endverbatim + + Print to a File + + You provide the file pointer. + @verbatim + XMLPrinter printer( fp ); + doc.Print( &printer ); + @endverbatim + + Print without a XMLDocument + + When loading, an XML parser is very useful. However, sometimes + when saving, it just gets in the way. The code is often set up + for streaming, and constructing the DOM is just overhead. + + The Printer supports the streaming case. The following code + prints out a trivially simple XML file without ever creating + an XML document. + + @verbatim + XMLPrinter printer( fp ); + printer.OpenElement( "foo" ); + printer.PushAttribute( "foo", "bar" ); + printer.CloseElement(); + @endverbatim +*/ +class XMLPrinter : public XMLVisitor +{ +public: + /** Construct the printer. If the FILE* is specified, + this will print to the FILE. Else it will print + to memory, and the result is available in CStr(). + If 'compact' is set to true, then output is created + with only required whitespace and newlines. + */ + XMLPrinter( FILE* file=0, bool compact = false ); + ~XMLPrinter() {} + + /** If streaming, write the BOM and declaration. */ + void PushHeader( bool writeBOM, bool writeDeclaration ); + /** If streaming, start writing an element. + The element must be closed with CloseElement() + */ + void OpenElement( const char* name ); + /// If streaming, add an attribute to an open element. + void PushAttribute( const char* name, const char* value ); + void PushAttribute( const char* name, int value ); + void PushAttribute( const char* name, unsigned value ); + void PushAttribute( const char* name, bool value ); + void PushAttribute( const char* name, double value ); + /// If streaming, close the Element. + void CloseElement(); + + /// Add a text node. + void PushText( const char* text, bool cdata=false ); + /// Add a text node from an integer. + void PushText( int value ); + /// Add a text node from an unsigned. + void PushText( unsigned value ); + /// Add a text node from a bool. + void PushText( bool value ); + /// Add a text node from a float. + void PushText( float value ); + /// Add a text node from a double. + void PushText( double value ); + + /// Add a comment + void PushComment( const char* comment ); + + void PushDeclaration( const char* value ); + void PushUnknown( const char* value ); + + virtual bool VisitEnter( const XMLDocument& /*doc*/ ); + virtual bool VisitExit( const XMLDocument& /*doc*/ ) { + return true; + } + + virtual bool VisitEnter( const XMLElement& element, const XMLAttribute* attribute ); + virtual bool VisitExit( const XMLElement& element ); + + virtual bool Visit( const XMLText& text ); + virtual bool Visit( const XMLComment& comment ); + virtual bool Visit( const XMLDeclaration& declaration ); + virtual bool Visit( const XMLUnknown& unknown ); + + /** + If in print to memory mode, return a pointer to + the XML file in memory. + */ + const char* CStr() const { + return _buffer.Mem(); + } + /** + If in print to memory mode, return the size + of the XML file in memory. (Note the size returned + includes the terminating null.) + */ + int CStrSize() const { + return _buffer.Size(); + } + +private: + void SealElement(); + void PrintSpace( int depth ); + void PrintString( const char*, bool restrictedEntitySet ); // prints out, after detecting entities. + void Print( const char* format, ... ); + + bool _elementJustOpened; + bool _firstElement; + FILE* _fp; + int _depth; + int _textDepth; + bool _processEntities; + bool _compactMode; + + enum { + ENTITY_RANGE = 64, + BUF_SIZE = 200 + }; + bool _entityFlag[ENTITY_RANGE]; + bool _restrictedEntityFlag[ENTITY_RANGE]; + + DynArray< const char*, 10 > _stack; + DynArray< char, 20 > _buffer; +#ifdef _MSC_VER + DynArray< char, 20 > _accumulator; +#endif +}; + + +} // tinyxml2 + + +#endif // TINYXML2_INCLUDED -- cgit v1.2.3