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/* 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. */ #include
#include
#include "tinyxml.h" //#define DEBUG_PARSER #if defined( DEBUG_PARSER ) # if defined( DEBUG ) && defined( _MSC_VER ) # include
# define TIXML_LOG OutputDebugString # else # define TIXML_LOG printf # endif #endif // Note tha "PutString" hardcodes the same list. This // is less flexible than it appears. Changing the entries // or order will break putstring. TiXmlBase::Entity TiXmlBase::entity[ NUM_ENTITY ] = { { "&", 5, '&' }, { "<", 4, '<' }, { ">", 4, '>' }, { """, 6, '\"' }, { "'", 6, '\'' } }; // Bunch of unicode info at: // http://www.unicode.org/faq/utf_bom.html // Including the basic of this table, which determines the #bytes in the // sequence from the lead byte. 1 placed for invalid sequences -- // although the result will be junk, pass it through as much as possible. // Beware of the non-characters in UTF-8: // ef bb bf (Microsoft "lead bytes") // ef bf be // ef bf bf const unsigned char TIXML_UTF_LEAD_0 = 0xefU; const unsigned char TIXML_UTF_LEAD_1 = 0xbbU; const unsigned char TIXML_UTF_LEAD_2 = 0xbfU; const int TiXmlBase::utf8ByteTable[256] = { // 0 1 2 3 4 5 6 7 8 9 a b c d e f 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x00 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x10 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x20 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x30 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x40 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x50 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x60 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x70 End of ASCII range 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x80 0x80 to 0xc1 invalid 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x90 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0xa0 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0xb0 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // 0xc0 0xc2 to 0xdf 2 byte 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // 0xd0 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, // 0xe0 0xe0 to 0xef 3 byte 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 // 0xf0 0xf0 to 0xf4 4 byte, 0xf5 and higher invalid }; void TiXmlBase::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; return; } // This code won't covert this correctly anyway. 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]); } } /*static*/ int TiXmlBase::IsAlpha( unsigned char anyByte, TiXmlEncoding /*encoding*/ ) { // This will only work for low-ascii, everything else is assumed to be a valid // letter. I'm not sure this is the best approach, but it is quite tricky trying // to figure out alhabetical vs. not across encoding. So take a very // conservative approach. // if ( encoding == TIXML_ENCODING_UTF8 ) // { if ( anyByte < 127 ) return isalpha( anyByte ); else return 1; // What else to do? The unicode set is huge...get the english ones right. // } // else // { // return isalpha( anyByte ); // } } /*static*/ int TiXmlBase::IsAlphaNum( unsigned char anyByte, TiXmlEncoding /*encoding*/ ) { // This will only work for low-ascii, everything else is assumed to be a valid // letter. I'm not sure this is the best approach, but it is quite tricky trying // to figure out alhabetical vs. not across encoding. So take a very // conservative approach. // if ( encoding == TIXML_ENCODING_UTF8 ) // { if ( anyByte < 127 ) return isalnum( anyByte ); else return 1; // What else to do? The unicode set is huge...get the english ones right. // } // else // { // return isalnum( anyByte ); // } } class TiXmlParsingData { friend class TiXmlDocument; public: void Stamp( const char* now, TiXmlEncoding encoding ); const TiXmlCursor& Cursor() { return cursor; } private: // Only used by the document! TiXmlParsingData( const char* start, int _tabsize, int row, int col ) { assert( start ); stamp = start; tabsize = _tabsize; cursor.row = row; cursor.col = col; } TiXmlCursor cursor; const char* stamp; int tabsize; }; void TiXmlParsingData::Stamp( const char* now, TiXmlEncoding encoding ) { assert( now ); // Do nothing if the tabsize is 0. if ( tabsize < 1 ) { return; } // Get the current row, column. int row = cursor.row; int col = cursor.col; const char* p = stamp; assert( p ); while ( p < now ) { // Treat p as unsigned, so we have a happy compiler. const unsigned char* pU = (const unsigned char*)p; // Code contributed by Fletcher Dunn: (modified by lee) switch (*pU) { case 0: // We *should* never get here, but in case we do, don't // advance past the terminating null character, ever return; case '\r': // bump down to the next line ++row; col = 0; // Eat the character ++p; // Check for \r\n sequence, and treat this as a single character if (*p == '\n') { ++p; } break; case '\n': // bump down to the next line ++row; col = 0; // Eat the character ++p; // Check for \n\r sequence, and treat this as a single // character. (Yes, this bizarre thing does occur still // on some arcane platforms...) if (*p == '\r') { ++p; } break; case '\t': // Eat the character ++p; // Skip to next tab stop col = (col / tabsize + 1) * tabsize; break; case TIXML_UTF_LEAD_0: if ( encoding == TIXML_ENCODING_UTF8 ) { if ( *(p+1) && *(p+2) ) { // In these cases, don't advance the column. These are // 0-width spaces. if ( *(pU+1)==TIXML_UTF_LEAD_1 && *(pU+2)==TIXML_UTF_LEAD_2 ) p += 3; else if ( *(pU+1)==0xbfU && *(pU+2)==0xbeU ) p += 3; else if ( *(pU+1)==0xbfU && *(pU+2)==0xbfU ) p += 3; else { p +=3; ++col; } // A normal character. } } else { ++p; ++col; } break; default: if ( encoding == TIXML_ENCODING_UTF8 ) { // Eat the 1 to 4 byte utf8 character. int step = TiXmlBase::utf8ByteTable[*((const unsigned char*)p)]; if ( step == 0 ) step = 1; // Error case from bad encoding, but handle gracefully. p += step; // Just advance one column, of course. ++col; } else { ++p; ++col; } break; } } cursor.row = row; cursor.col = col; assert( cursor.row >= -1 ); assert( cursor.col >= -1 ); stamp = p; assert( stamp ); } const char* TiXmlBase::SkipWhiteSpace( const char* p, TiXmlEncoding encoding ) { if ( !p || !*p ) { return 0; } if ( encoding == TIXML_ENCODING_UTF8 ) { while ( *p ) { const unsigned char* pU = (const unsigned char*)p; // Skip the stupid Microsoft UTF-8 Byte order marks if ( *(pU+0)==TIXML_UTF_LEAD_0 && *(pU+1)==TIXML_UTF_LEAD_1 && *(pU+2)==TIXML_UTF_LEAD_2 ) { p += 3; continue; } else if(*(pU+0)==TIXML_UTF_LEAD_0 && *(pU+1)==0xbfU && *(pU+2)==0xbeU ) { p += 3; continue; } else if(*(pU+0)==TIXML_UTF_LEAD_0 && *(pU+1)==0xbfU && *(pU+2)==0xbfU ) { p += 3; continue; } if ( IsWhiteSpace( *p ) || *p == '\n' || *p =='\r' ) // Still using old rules for white space. ++p; else break; } } else { while ( *p && IsWhiteSpace( *p ) || *p == '\n' || *p =='\r' ) ++p; } return p; } #ifdef TIXML_USE_STL /*static*/ bool TiXmlBase::StreamWhiteSpace( std::istream * in, TIXML_STRING * tag ) { for( ;; ) { if ( !in->good() ) return false; int c = in->peek(); // At this scope, we can't get to a document. So fail silently. if ( !IsWhiteSpace( c ) || c <= 0 ) return true; *tag += (char) in->get(); } } /*static*/ bool TiXmlBase::StreamTo( std::istream * in, int character, TIXML_STRING * tag ) { //assert( character > 0 && character < 128 ); // else it won't work in utf-8 while ( in->good() ) { int c = in->peek(); if ( c == character ) return true; if ( c <= 0 ) // Silent failure: can't get document at this scope return false; in->get(); *tag += (char) c; } return false; } #endif // One of TinyXML's more performance demanding functions. Try to keep the memory overhead down. The // "assign" optimization removes over 10% of the execution time. // const char* TiXmlBase::ReadName( const char* p, TIXML_STRING * name, TiXmlEncoding encoding ) { // Oddly, not supported on some comilers, //name->clear(); // So use this: *name = ""; assert( p ); // Names start with letters or underscores. // Of course, in unicode, tinyxml has no idea what a letter *is*. The // algorithm is generous. // // After that, they can be letters, underscores, numbers, // hyphens, or colons. (Colons are valid ony for namespaces, // but tinyxml can't tell namespaces from names.) if ( p && *p && ( IsAlpha( (unsigned char) *p, encoding ) || *p == '_' ) ) { const char* start = p; while( p && *p && ( IsAlphaNum( (unsigned char ) *p, encoding ) || *p == '_' || *p == '-' || *p == '.' || *p == ':' ) ) { //(*name) += *p; // expensive ++p; } if ( p-start > 0 ) { name->assign( start, p-start ); } return p; } return 0; } const char* TiXmlBase::GetEntity( const char* p, char* value, int* length, TiXmlEncoding encoding ) { // Presume an entity, and pull it out. TIXML_STRING ent; int i; *length = 0; if ( *(p+1) && *(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; } } if ( encoding == TIXML_ENCODING_UTF8 ) { // convert the UCS to UTF-8 ConvertUTF32ToUTF8( ucs, value, length ); } else { *value = (char)ucs; *length = 1; } return p + delta + 1; } // Now try to match it. for( i=0; i
append( cArr, len ); } } else { bool whitespace = false; // Remove leading white space: p = SkipWhiteSpace( p, encoding ); while ( p && *p && !StringEqual( p, endTag, caseInsensitive, encoding ) ) { if ( *p == '\r' || *p == '\n' ) { whitespace = true; ++p; } else if ( IsWhiteSpace( *p ) ) { whitespace = true; ++p; } else { // If we've found whitespace, add it before the // new character. Any whitespace just becomes a space. if ( whitespace ) { (*text) += ' '; whitespace = false; } int len; char cArr[4] = { 0, 0, 0, 0 }; p = GetChar( p, cArr, &len, encoding ); if ( len == 1 ) (*text) += cArr[0]; // more efficient else text->append( cArr, len ); } } } if ( p ) p += strlen( endTag ); return p; } #ifdef TIXML_USE_STL void TiXmlDocument::StreamIn( std::istream * in, TIXML_STRING * tag ) { // The basic issue with a document is that we don't know what we're // streaming. Read something presumed to be a tag (and hope), then // identify it, and call the appropriate stream method on the tag. // // This "pre-streaming" will never read the closing ">" so the // sub-tag can orient itself. if ( !StreamTo( in, '<', tag ) ) { SetError( TIXML_ERROR_PARSING_EMPTY, 0, 0, TIXML_ENCODING_UNKNOWN ); return; } while ( in->good() ) { int tagIndex = (int) tag->length(); while ( in->good() && in->peek() != '>' ) { int c = in->get(); if ( c <= 0 ) { SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); break; } (*tag) += (char) c; } if ( in->good() ) { // We now have something we presume to be a node of // some sort. Identify it, and call the node to // continue streaming. TiXmlNode* node = Identify( tag->c_str() + tagIndex, TIXML_DEFAULT_ENCODING ); if ( node ) { node->StreamIn( in, tag ); bool isElement = node->ToElement() != 0; delete node; node = 0; // If this is the root element, we're done. Parsing will be // done by the >> operator. if ( isElement ) { return; } } else { SetError( TIXML_ERROR, 0, 0, TIXML_ENCODING_UNKNOWN ); return; } } } // We should have returned sooner. SetError( TIXML_ERROR, 0, 0, TIXML_ENCODING_UNKNOWN ); } #endif const char* TiXmlDocument::Parse( const char* p, TiXmlParsingData* prevData, TiXmlEncoding encoding ) { ClearError(); // Parse away, at the document level. Since a document // contains nothing but other tags, most of what happens // here is skipping white space. if ( !p || !*p ) { SetError( TIXML_ERROR_DOCUMENT_EMPTY, 0, 0, TIXML_ENCODING_UNKNOWN ); return 0; } // Note that, for a document, this needs to come // before the while space skip, so that parsing // starts from the pointer we are given. location.Clear(); if ( prevData ) { location.row = prevData->cursor.row; location.col = prevData->cursor.col; } else { location.row = 0; location.col = 0; } TiXmlParsingData data( p, TabSize(), location.row, location.col ); location = data.Cursor(); if ( encoding == TIXML_ENCODING_UNKNOWN ) { // Check for the Microsoft UTF-8 lead bytes. const unsigned char* pU = (const unsigned char*)p; if ( *(pU+0) && *(pU+0) == TIXML_UTF_LEAD_0 && *(pU+1) && *(pU+1) == TIXML_UTF_LEAD_1 && *(pU+2) && *(pU+2) == TIXML_UTF_LEAD_2 ) { encoding = TIXML_ENCODING_UTF8; useMicrosoftBOM = true; } } p = SkipWhiteSpace( p, encoding ); if ( !p ) { SetError( TIXML_ERROR_DOCUMENT_EMPTY, 0, 0, TIXML_ENCODING_UNKNOWN ); return 0; } while ( p && *p ) { TiXmlNode* node = Identify( p, encoding ); if ( node ) { p = node->Parse( p, &data, encoding ); LinkEndChild( node ); } else { break; } // Did we get encoding info? if ( encoding == TIXML_ENCODING_UNKNOWN && node->ToDeclaration() ) { TiXmlDeclaration* dec = node->ToDeclaration(); const char* enc = dec->Encoding(); assert( enc ); if ( *enc == 0 ) encoding = TIXML_ENCODING_UTF8; else if ( StringEqual( enc, "UTF-8", true, TIXML_ENCODING_UNKNOWN ) ) encoding = TIXML_ENCODING_UTF8; else if ( StringEqual( enc, "UTF8", true, TIXML_ENCODING_UNKNOWN ) ) encoding = TIXML_ENCODING_UTF8; // incorrect, but be nice else encoding = TIXML_ENCODING_LEGACY; } p = SkipWhiteSpace( p, encoding ); } // Was this empty? if ( !firstChild ) { SetError( TIXML_ERROR_DOCUMENT_EMPTY, 0, 0, encoding ); return 0; } // All is well. return p; } void TiXmlDocument::SetError( int err, const char* pError, TiXmlParsingData* data, TiXmlEncoding encoding ) { // The first error in a chain is more accurate - don't set again! if ( error ) return; assert( err > 0 && err < TIXML_ERROR_STRING_COUNT ); error = true; errorId = err; errorDesc = errorString[ errorId ]; errorLocation.Clear(); if ( pError && data ) { data->Stamp( pError, encoding ); errorLocation = data->Cursor(); } } TiXmlNode* TiXmlNode::Identify( const char* p, TiXmlEncoding encoding ) { TiXmlNode* returnNode = 0; p = SkipWhiteSpace( p, encoding ); if( !p || !*p || *p != '<' ) { return 0; } TiXmlDocument* doc = GetDocument(); p = SkipWhiteSpace( p, encoding ); if ( !p || !*p ) { return 0; } // What is this thing? // - Elements start with a letter or underscore, but xml is reserved. // - Comments: "; if ( !StringEqual( p, startTag, false, encoding ) ) { document->SetError( TIXML_ERROR_PARSING_COMMENT, p, data, encoding ); return 0; } p += strlen( startTag ); // [ 1475201 ] TinyXML parses entities in comments // Oops - ReadText doesn't work, because we don't want to parse the entities. // p = ReadText( p, &value, false, endTag, false, encoding ); // // from the XML spec: /* [Definition: Comments may appear anywhere in a document outside other markup; in addition, they may appear within the document type declaration at places allowed by the grammar. They are not part of the document's character data; an XML processor MAY, but need not, make it possible for an application to retrieve the text of comments. For compatibility, the string "--" (double-hyphen) MUST NOT occur within comments.] Parameter entity references MUST NOT be recognized within comments. An example of a comment: */ value = ""; // Keep all the white space. while ( p && *p && !StringEqual( p, endTag, false, encoding ) ) { value.append( p, 1 ); ++p; } if ( p ) p += strlen( endTag ); return p; } const char* TiXmlAttribute::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) { p = SkipWhiteSpace( p, encoding ); if ( !p || !*p ) return 0; // int tabsize = 4; // if ( document ) // tabsize = document->TabSize(); if ( data ) { data->Stamp( p, encoding ); location = data->Cursor(); } // Read the name, the '=' and the value. const char* pErr = p; p = ReadName( p, &name, encoding ); if ( !p || !*p ) { if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, pErr, data, encoding ); return 0; } p = SkipWhiteSpace( p, encoding ); if ( !p || !*p || *p != '=' ) { if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, p, data, encoding ); return 0; } ++p; // skip '=' p = SkipWhiteSpace( p, encoding ); if ( !p || !*p ) { if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, p, data, encoding ); return 0; } const char* end; const char SINGLE_QUOTE = '\''; const char DOUBLE_QUOTE = '\"'; if ( *p == SINGLE_QUOTE ) { ++p; end = "\'"; // single quote in string p = ReadText( p, &value, false, end, false, encoding ); } else if ( *p == DOUBLE_QUOTE ) { ++p; end = "\""; // double quote in string p = ReadText( p, &value, false, end, false, encoding ); } else { // All attribute values should be in single or double quotes. // But this is such a common error that the parser will try // its best, even without them. value = ""; while ( p && *p // existence && !IsWhiteSpace( *p ) && *p != '\n' && *p != '\r' // whitespace && *p != '/' && *p != '>' ) // tag end { if ( *p == SINGLE_QUOTE || *p == DOUBLE_QUOTE ) { // [ 1451649 ] Attribute values with trailing quotes not handled correctly // We did not have an opening quote but seem to have a // closing one. Give up and throw an error. if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, p, data, encoding ); return 0; } value += *p; ++p; } } return p; } #ifdef TIXML_USE_STL void TiXmlText::StreamIn( std::istream * in, TIXML_STRING * tag ) { while ( in->good() ) { int c = in->peek(); if ( !cdata && (c == '<' ) ) { return; } if ( c <= 0 ) { TiXmlDocument* document = GetDocument(); if ( document ) document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); return; } (*tag) += (char) c; in->get(); // "commits" the peek made above if ( cdata && c == '>' && tag->size() >= 3 ) { size_t len = tag->size(); if ( (*tag)[len-2] == ']' && (*tag)[len-3] == ']' ) { // terminator of cdata. return; } } } } #endif const char* TiXmlText::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) { value = ""; TiXmlDocument* document = GetDocument(); if ( data ) { data->Stamp( p, encoding ); location = data->Cursor(); } const char* const startTag = ""; if ( cdata || StringEqual( p, startTag, false, encoding ) ) { cdata = true; if ( !StringEqual( p, startTag, false, encoding ) ) { document->SetError( TIXML_ERROR_PARSING_CDATA, p, data, encoding ); return 0; } p += strlen( startTag ); // Keep all the white space, ignore the encoding, etc. while ( p && *p && !StringEqual( p, endTag, false, encoding ) ) { value += *p; ++p; } TIXML_STRING dummy; p = ReadText( p, &dummy, false, endTag, false, encoding ); return p; } else { bool ignoreWhite = true; const char* end = "<"; p = ReadText( p, &value, ignoreWhite, end, false, encoding ); if ( p ) return p-1; // don't truncate the '<' return 0; } } #ifdef TIXML_USE_STL void TiXmlDeclaration::StreamIn( std::istream * in, TIXML_STRING * tag ) { while ( in->good() ) { int c = in->get(); if ( c <= 0 ) { TiXmlDocument* document = GetDocument(); if ( document ) document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); return; } (*tag) += (char) c; if ( c == '>' ) { // All is well. return; } } } #endif const char* TiXmlDeclaration::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding _encoding ) { p = SkipWhiteSpace( p, _encoding ); // Find the beginning, find the end, and look for // the stuff in-between. TiXmlDocument* document = GetDocument(); if ( !p || !*p || !StringEqual( p, "SetError( TIXML_ERROR_PARSING_DECLARATION, 0, 0, _encoding ); return 0; } if ( data ) { data->Stamp( p, _encoding ); location = data->Cursor(); } p += 5; version = ""; encoding = ""; standalone = ""; while ( p && *p ) { if ( *p == '>' ) { ++p; return p; } p = SkipWhiteSpace( p, _encoding ); if ( StringEqual( p, "version", true, _encoding ) ) { TiXmlAttribute attrib; p = attrib.Parse( p, data, _encoding ); version = attrib.Value(); } else if ( StringEqual( p, "encoding", true, _encoding ) ) { TiXmlAttribute attrib; p = attrib.Parse( p, data, _encoding ); encoding = attrib.Value(); } else if ( StringEqual( p, "standalone", true, _encoding ) ) { TiXmlAttribute attrib; p = attrib.Parse( p, data, _encoding ); standalone = attrib.Value(); } else { // Read over whatever it is. while( p && *p && *p != '>' && !IsWhiteSpace( *p ) ) ++p; } } return 0; } bool TiXmlText::Blank() const { for ( unsigned i=0; i
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