root / src / tinyxml / tinyxmlparser.cpp @ f4cf6bf7
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/*
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www.sourceforge.net/projects/tinyxml |
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Original code (2.0 and earlier )copyright (c) 2000-2002 Lee Thomason (www.grinninglizard.com) |
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|
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This software is provided 'as-is', without any express or implied |
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warranty. In no event will the authors be held liable for any |
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damages arising from the use of this software. |
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|
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Permission is granted to anyone to use this software for any |
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purpose, including commercial applications, and to alter it and |
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redistribute it freely, subject to the following restrictions: |
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|
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1. The origin of this software must not be misrepresented; you must |
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not claim that you wrote the original software. If you use this |
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software in a product, an acknowledgment in the product documentation |
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would be appreciated but is not required. |
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|
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2. Altered source versions must be plainly marked as such, and |
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must not be misrepresented as being the original software. |
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3. This notice may not be removed or altered from any source |
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distribution. |
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*/ |
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#include <ctype.h> |
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#include <stddef.h> |
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#include "tinyxml.h" |
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//#define DEBUG_PARSER
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#if defined( DEBUG_PARSER )
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# if defined( DEBUG ) && defined( _MSC_VER )
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# include <windows.h> |
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# define TIXML_LOG OutputDebugString
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# else
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# define TIXML_LOG printf
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# endif
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#endif
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// Note tha "PutString" hardcodes the same list. This
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// is less flexible than it appears. Changing the entries
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// or order will break putstring.
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TiXmlBase::Entity TiXmlBase::entity[ NUM_ENTITY ] = |
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{
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{ "&", 5, '&' },
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{ "<", 4, '<' },
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{ ">", 4, '>' },
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{ """, 6, '\"' },
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{ "'", 6, '\'' }
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}; |
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// Bunch of unicode info at:
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// http://www.unicode.org/faq/utf_bom.html
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// Including the basic of this table, which determines the #bytes in the
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// sequence from the lead byte. 1 placed for invalid sequences --
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// although the result will be junk, pass it through as much as possible.
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// Beware of the non-characters in UTF-8:
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// ef bb bf (Microsoft "lead bytes")
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// ef bf be
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// ef bf bf
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|
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const unsigned char TIXML_UTF_LEAD_0 = 0xefU; |
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const unsigned char TIXML_UTF_LEAD_1 = 0xbbU; |
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const unsigned char TIXML_UTF_LEAD_2 = 0xbfU; |
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|
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const int TiXmlBase::utf8ByteTable[256] = |
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{
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// 0 1 2 3 4 5 6 7 8 9 a b c d e f
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x00 |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x10 |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x20 |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x30 |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x40 |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x50 |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x60 |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x70 End of ASCII range |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x80 0x80 to 0xc1 invalid |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x90 |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0xa0 |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0xb0 |
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1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // 0xc0 0xc2 to 0xdf 2 byte |
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // 0xd0 |
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, // 0xe0 0xe0 to 0xef 3 byte |
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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 |
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}; |
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|
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void TiXmlBase::ConvertUTF32ToUTF8( unsigned long input, char* output, int* length ) |
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{
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const unsigned long BYTE_MASK = 0xBF; |
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const unsigned long BYTE_MARK = 0x80; |
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const unsigned long FIRST_BYTE_MARK[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC }; |
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if (input < 0x80) |
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*length = 1;
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else if ( input < 0x800 ) |
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*length = 2;
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else if ( input < 0x10000 ) |
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*length = 3;
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else if ( input < 0x200000 ) |
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*length = 4;
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else
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{ *length = 0; return; } // This code won't covert this correctly anyway.
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output += *length; |
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// Scary scary fall throughs.
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switch (*length)
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{
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case 4: |
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--output; |
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*output = (char)((input | BYTE_MARK) & BYTE_MASK);
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input >>= 6;
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case 3: |
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--output; |
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*output = (char)((input | BYTE_MARK) & BYTE_MASK);
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input >>= 6;
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case 2: |
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--output; |
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*output = (char)((input | BYTE_MARK) & BYTE_MASK);
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input >>= 6;
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case 1: |
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--output; |
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*output = (char)(input | FIRST_BYTE_MARK[*length]);
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} |
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} |
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/*static*/ int TiXmlBase::IsAlpha( unsigned char anyByte, TiXmlEncoding /*encoding*/ ) |
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{
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// This will only work for low-ascii, everything else is assumed to be a valid
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// letter. I'm not sure this is the best approach, but it is quite tricky trying
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// to figure out alhabetical vs. not across encoding. So take a very
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// conservative approach.
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// if ( encoding == TIXML_ENCODING_UTF8 )
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// {
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if ( anyByte < 127 ) |
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return isalpha( anyByte );
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else
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return 1; // What else to do? The unicode set is huge...get the english ones right. |
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// }
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// else
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// {
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// return isalpha( anyByte );
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// }
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} |
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/*static*/ int TiXmlBase::IsAlphaNum( unsigned char anyByte, TiXmlEncoding /*encoding*/ ) |
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{
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// This will only work for low-ascii, everything else is assumed to be a valid
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// letter. I'm not sure this is the best approach, but it is quite tricky trying
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// to figure out alhabetical vs. not across encoding. So take a very
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// conservative approach.
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// if ( encoding == TIXML_ENCODING_UTF8 )
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// {
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if ( anyByte < 127 ) |
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return isalnum( anyByte );
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else
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return 1; // What else to do? The unicode set is huge...get the english ones right. |
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// }
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// else
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// {
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// return isalnum( anyByte );
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// }
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} |
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class TiXmlParsingData |
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{
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friend class TiXmlDocument; |
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public:
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void Stamp( const char* now, TiXmlEncoding encoding ); |
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const TiXmlCursor& Cursor() { return cursor; } |
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private:
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// Only used by the document!
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TiXmlParsingData( const char* start, int _tabsize, int row, int col ) |
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{
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assert( start ); |
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stamp = start; |
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tabsize = _tabsize; |
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cursor.row = row; |
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cursor.col = col; |
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} |
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TiXmlCursor cursor; |
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const char* stamp; |
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int tabsize;
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}; |
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void TiXmlParsingData::Stamp( const char* now, TiXmlEncoding encoding ) |
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{
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assert( now ); |
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// Do nothing if the tabsize is 0.
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if ( tabsize < 1 ) |
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{
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return;
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} |
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// Get the current row, column.
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int row = cursor.row;
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int col = cursor.col;
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const char* p = stamp; |
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assert( p ); |
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while ( p < now )
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{
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// Treat p as unsigned, so we have a happy compiler.
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const unsigned char* pU = (const unsigned char*)p; |
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// Code contributed by Fletcher Dunn: (modified by lee)
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switch (*pU) {
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case 0: |
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// We *should* never get here, but in case we do, don't
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// advance past the terminating null character, ever
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return;
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case '\r': |
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// bump down to the next line
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++row; |
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col = 0;
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// Eat the character
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++p; |
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// Check for \r\n sequence, and treat this as a single character
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if (*p == '\n') { |
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++p; |
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} |
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break;
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case '\n': |
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// bump down to the next line
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++row; |
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col = 0;
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// Eat the character
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++p; |
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// Check for \n\r sequence, and treat this as a single
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// character. (Yes, this bizarre thing does occur still
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// on some arcane platforms...)
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if (*p == '\r') { |
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++p; |
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} |
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break;
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case '\t': |
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// Eat the character
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++p; |
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// Skip to next tab stop
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col = (col / tabsize + 1) * tabsize;
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break;
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case TIXML_UTF_LEAD_0:
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if ( encoding == TIXML_ENCODING_UTF8 )
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{
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if ( *(p+1) && *(p+2) ) |
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{
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// In these cases, don't advance the column. These are
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// 0-width spaces.
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if ( *(pU+1)==TIXML_UTF_LEAD_1 && *(pU+2)==TIXML_UTF_LEAD_2 ) |
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p += 3;
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else if ( *(pU+1)==0xbfU && *(pU+2)==0xbeU ) |
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p += 3;
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else if ( *(pU+1)==0xbfU && *(pU+2)==0xbfU ) |
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p += 3;
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else
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{ p +=3; ++col; } // A normal character.
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} |
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} |
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else
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{
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++p; |
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++col; |
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} |
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break;
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default:
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if ( encoding == TIXML_ENCODING_UTF8 )
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{
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// Eat the 1 to 4 byte utf8 character.
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int step = TiXmlBase::utf8ByteTable[*((const unsigned char*)p)]; |
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if ( step == 0 ) |
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step = 1; // Error case from bad encoding, but handle gracefully. |
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p += step; |
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// Just advance one column, of course.
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++col; |
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} |
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else
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{
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++p; |
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++col; |
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} |
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break;
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} |
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} |
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cursor.row = row; |
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cursor.col = col; |
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assert( cursor.row >= -1 );
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assert( cursor.col >= -1 );
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stamp = p; |
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assert( stamp ); |
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} |
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|
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|
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const char* TiXmlBase::SkipWhiteSpace( const char* p, TiXmlEncoding encoding ) |
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{
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if ( !p || !*p )
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{
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return 0; |
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} |
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if ( encoding == TIXML_ENCODING_UTF8 )
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{
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while ( *p )
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{
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const unsigned char* pU = (const unsigned char*)p; |
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// Skip the stupid Microsoft UTF-8 Byte order marks
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if ( *(pU+0)==TIXML_UTF_LEAD_0 |
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&& *(pU+1)==TIXML_UTF_LEAD_1
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&& *(pU+2)==TIXML_UTF_LEAD_2 )
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{
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p += 3;
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continue;
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} |
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else if(*(pU+0)==TIXML_UTF_LEAD_0 |
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&& *(pU+1)==0xbfU |
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&& *(pU+2)==0xbeU ) |
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{
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p += 3;
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continue;
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} |
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else if(*(pU+0)==TIXML_UTF_LEAD_0 |
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&& *(pU+1)==0xbfU |
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&& *(pU+2)==0xbfU ) |
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{
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p += 3;
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continue;
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} |
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if ( IsWhiteSpace( *p ) || *p == '\n' || *p =='\r' ) // Still using old rules for white space. |
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++p; |
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else
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break;
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} |
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} |
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else
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{
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while ( *p && IsWhiteSpace( *p ) || *p == '\n' || *p =='\r' ) |
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++p; |
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} |
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return p;
|
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} |
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|
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#ifdef TIXML_USE_STL
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/*static*/ bool TiXmlBase::StreamWhiteSpace( std::istream * in, TIXML_STRING * tag ) |
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{
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for( ;; )
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{
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if ( !in->good() ) return false; |
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int c = in->peek();
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// At this scope, we can't get to a document. So fail silently.
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if ( !IsWhiteSpace( c ) || c <= 0 ) |
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return true; |
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|
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*tag += (char) in->get();
|
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} |
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} |
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|
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/*static*/ bool TiXmlBase::StreamTo( std::istream * in, int character, TIXML_STRING * tag ) |
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{
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//assert( character > 0 && character < 128 ); // else it won't work in utf-8
|
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while ( in->good() )
|
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{
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int c = in->peek();
|
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if ( c == character )
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return true; |
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if ( c <= 0 ) // Silent failure: can't get document at this scope |
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return false; |
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|
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in->get(); |
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*tag += (char) c;
|
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} |
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return false; |
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} |
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#endif
|
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|
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// One of TinyXML's more performance demanding functions. Try to keep the memory overhead down. The
|
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// "assign" optimization removes over 10% of the execution time.
|
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//
|
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const char* TiXmlBase::ReadName( const char* p, TIXML_STRING * name, TiXmlEncoding encoding ) |
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{
|
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// Oddly, not supported on some comilers,
|
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//name->clear();
|
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// So use this:
|
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*name = "";
|
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assert( p ); |
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|
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// Names start with letters or underscores.
|
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// Of course, in unicode, tinyxml has no idea what a letter *is*. The
|
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// algorithm is generous.
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//
|
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// After that, they can be letters, underscores, numbers,
|
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// hyphens, or colons. (Colons are valid ony for namespaces,
|
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// but tinyxml can't tell namespaces from names.)
|
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if ( p && *p
|
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&& ( IsAlpha( (unsigned char) *p, encoding ) || *p == '_' ) ) |
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{
|
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const char* start = p; |
| 420 |
while( p && *p
|
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&& ( IsAlphaNum( (unsigned char ) *p, encoding ) |
| 422 |
|| *p == '_'
|
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|| *p == '-'
|
| 424 |
|| *p == '.'
|
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|| *p == ':' ) )
|
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{
|
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//(*name) += *p; // expensive
|
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++p; |
| 429 |
} |
| 430 |
if ( p-start > 0 ) { |
| 431 |
name->assign( start, p-start ); |
| 432 |
} |
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return p;
|
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} |
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return 0; |
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} |
| 437 |
|
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const char* TiXmlBase::GetEntity( const char* p, char* value, int* length, TiXmlEncoding encoding ) |
| 439 |
{
|
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// Presume an entity, and pull it out.
|
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TIXML_STRING ent; |
| 442 |
int i;
|
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*length = 0;
|
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|
| 445 |
if ( *(p+1) && *(p+1) == '#' && *(p+2) ) |
| 446 |
{
|
| 447 |
unsigned long ucs = 0; |
| 448 |
ptrdiff_t delta = 0;
|
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unsigned mult = 1; |
| 450 |
|
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if ( *(p+2) == 'x' ) |
| 452 |
{
|
| 453 |
// Hexadecimal.
|
| 454 |
if ( !*(p+3) ) return 0; |
| 455 |
|
| 456 |
const char* q = p+3; |
| 457 |
q = strchr( q, ';' );
|
| 458 |
|
| 459 |
if ( !q || !*q ) return 0; |
| 460 |
|
| 461 |
delta = q-p; |
| 462 |
--q; |
| 463 |
|
| 464 |
while ( *q != 'x' ) |
| 465 |
{
|
| 466 |
if ( *q >= '0' && *q <= '9' ) |
| 467 |
ucs += mult * (*q - '0');
|
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else if ( *q >= 'a' && *q <= 'f' ) |
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ucs += mult * (*q - 'a' + 10); |
| 470 |
else if ( *q >= 'A' && *q <= 'F' ) |
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ucs += mult * (*q - 'A' + 10 ); |
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else
|
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return 0; |
| 474 |
mult *= 16;
|
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--q; |
| 476 |
} |
| 477 |
} |
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else
|
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{
|
| 480 |
// Decimal.
|
| 481 |
if ( !*(p+2) ) return 0; |
| 482 |
|
| 483 |
const char* q = p+2; |
| 484 |
q = strchr( q, ';' );
|
| 485 |
|
| 486 |
if ( !q || !*q ) return 0; |
| 487 |
|
| 488 |
delta = q-p; |
| 489 |
--q; |
| 490 |
|
| 491 |
while ( *q != '#' ) |
| 492 |
{
|
| 493 |
if ( *q >= '0' && *q <= '9' ) |
| 494 |
ucs += mult * (*q - '0');
|
| 495 |
else
|
| 496 |
return 0; |
| 497 |
mult *= 10;
|
| 498 |
--q; |
| 499 |
} |
| 500 |
} |
| 501 |
if ( encoding == TIXML_ENCODING_UTF8 )
|
| 502 |
{
|
| 503 |
// convert the UCS to UTF-8
|
| 504 |
ConvertUTF32ToUTF8( ucs, value, length ); |
| 505 |
} |
| 506 |
else
|
| 507 |
{
|
| 508 |
*value = (char)ucs;
|
| 509 |
*length = 1;
|
| 510 |
} |
| 511 |
return p + delta + 1; |
| 512 |
} |
| 513 |
|
| 514 |
// Now try to match it.
|
| 515 |
for( i=0; i<NUM_ENTITY; ++i ) |
| 516 |
{
|
| 517 |
if ( strncmp( entity[i].str, p, entity[i].strLength ) == 0 ) |
| 518 |
{
|
| 519 |
assert( strlen( entity[i].str ) == entity[i].strLength ); |
| 520 |
*value = entity[i].chr; |
| 521 |
*length = 1;
|
| 522 |
return ( p + entity[i].strLength );
|
| 523 |
} |
| 524 |
} |
| 525 |
|
| 526 |
// So it wasn't an entity, its unrecognized, or something like that.
|
| 527 |
*value = *p; // Don't put back the last one, since we return it!
|
| 528 |
//*length = 1; // Leave unrecognized entities - this doesn't really work.
|
| 529 |
// Just writes strange XML.
|
| 530 |
return p+1; |
| 531 |
} |
| 532 |
|
| 533 |
|
| 534 |
bool TiXmlBase::StringEqual( const char* p, |
| 535 |
const char* tag, |
| 536 |
bool ignoreCase,
|
| 537 |
TiXmlEncoding encoding ) |
| 538 |
{
|
| 539 |
assert( p ); |
| 540 |
assert( tag ); |
| 541 |
if ( !p || !*p )
|
| 542 |
{
|
| 543 |
assert( 0 );
|
| 544 |
return false; |
| 545 |
} |
| 546 |
|
| 547 |
const char* q = p; |
| 548 |
|
| 549 |
if ( ignoreCase )
|
| 550 |
{
|
| 551 |
while ( *q && *tag && ToLower( *q, encoding ) == ToLower( *tag, encoding ) )
|
| 552 |
{
|
| 553 |
++q; |
| 554 |
++tag; |
| 555 |
} |
| 556 |
|
| 557 |
if ( *tag == 0 ) |
| 558 |
return true; |
| 559 |
} |
| 560 |
else
|
| 561 |
{
|
| 562 |
while ( *q && *tag && *q == *tag )
|
| 563 |
{
|
| 564 |
++q; |
| 565 |
++tag; |
| 566 |
} |
| 567 |
|
| 568 |
if ( *tag == 0 ) // Have we found the end of the tag, and everything equal? |
| 569 |
return true; |
| 570 |
} |
| 571 |
return false; |
| 572 |
} |
| 573 |
|
| 574 |
const char* TiXmlBase::ReadText( const char* p, |
| 575 |
TIXML_STRING * text, |
| 576 |
bool trimWhiteSpace,
|
| 577 |
const char* endTag, |
| 578 |
bool caseInsensitive,
|
| 579 |
TiXmlEncoding encoding ) |
| 580 |
{
|
| 581 |
*text = "";
|
| 582 |
if ( !trimWhiteSpace // certain tags always keep whitespace |
| 583 |
|| !condenseWhiteSpace ) // if true, whitespace is always kept
|
| 584 |
{
|
| 585 |
// Keep all the white space.
|
| 586 |
while ( p && *p
|
| 587 |
&& !StringEqual( p, endTag, caseInsensitive, encoding ) |
| 588 |
) |
| 589 |
{
|
| 590 |
int len;
|
| 591 |
char cArr[4] = { 0, 0, 0, 0 }; |
| 592 |
p = GetChar( p, cArr, &len, encoding ); |
| 593 |
text->append( cArr, len ); |
| 594 |
} |
| 595 |
} |
| 596 |
else
|
| 597 |
{
|
| 598 |
bool whitespace = false; |
| 599 |
|
| 600 |
// Remove leading white space:
|
| 601 |
p = SkipWhiteSpace( p, encoding ); |
| 602 |
while ( p && *p
|
| 603 |
&& !StringEqual( p, endTag, caseInsensitive, encoding ) ) |
| 604 |
{
|
| 605 |
if ( *p == '\r' || *p == '\n' ) |
| 606 |
{
|
| 607 |
whitespace = true;
|
| 608 |
++p; |
| 609 |
} |
| 610 |
else if ( IsWhiteSpace( *p ) ) |
| 611 |
{
|
| 612 |
whitespace = true;
|
| 613 |
++p; |
| 614 |
} |
| 615 |
else
|
| 616 |
{
|
| 617 |
// If we've found whitespace, add it before the
|
| 618 |
// new character. Any whitespace just becomes a space.
|
| 619 |
if ( whitespace )
|
| 620 |
{
|
| 621 |
(*text) += ' ';
|
| 622 |
whitespace = false;
|
| 623 |
} |
| 624 |
int len;
|
| 625 |
char cArr[4] = { 0, 0, 0, 0 }; |
| 626 |
p = GetChar( p, cArr, &len, encoding ); |
| 627 |
if ( len == 1 ) |
| 628 |
(*text) += cArr[0]; // more efficient |
| 629 |
else
|
| 630 |
text->append( cArr, len ); |
| 631 |
} |
| 632 |
} |
| 633 |
} |
| 634 |
if ( p )
|
| 635 |
p += strlen( endTag ); |
| 636 |
return p;
|
| 637 |
} |
| 638 |
|
| 639 |
#ifdef TIXML_USE_STL
|
| 640 |
|
| 641 |
void TiXmlDocument::StreamIn( std::istream * in, TIXML_STRING * tag )
|
| 642 |
{
|
| 643 |
// The basic issue with a document is that we don't know what we're
|
| 644 |
// streaming. Read something presumed to be a tag (and hope), then
|
| 645 |
// identify it, and call the appropriate stream method on the tag.
|
| 646 |
//
|
| 647 |
// This "pre-streaming" will never read the closing ">" so the
|
| 648 |
// sub-tag can orient itself.
|
| 649 |
|
| 650 |
if ( !StreamTo( in, '<', tag ) ) |
| 651 |
{
|
| 652 |
SetError( TIXML_ERROR_PARSING_EMPTY, 0, 0, TIXML_ENCODING_UNKNOWN ); |
| 653 |
return;
|
| 654 |
} |
| 655 |
|
| 656 |
while ( in->good() )
|
| 657 |
{
|
| 658 |
int tagIndex = (int) tag->length(); |
| 659 |
while ( in->good() && in->peek() != '>' ) |
| 660 |
{
|
| 661 |
int c = in->get();
|
| 662 |
if ( c <= 0 ) |
| 663 |
{
|
| 664 |
SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
| 665 |
break;
|
| 666 |
} |
| 667 |
(*tag) += (char) c;
|
| 668 |
} |
| 669 |
|
| 670 |
if ( in->good() )
|
| 671 |
{
|
| 672 |
// We now have something we presume to be a node of
|
| 673 |
// some sort. Identify it, and call the node to
|
| 674 |
// continue streaming.
|
| 675 |
TiXmlNode* node = Identify( tag->c_str() + tagIndex, TIXML_DEFAULT_ENCODING ); |
| 676 |
|
| 677 |
if ( node )
|
| 678 |
{
|
| 679 |
node->StreamIn( in, tag ); |
| 680 |
bool isElement = node->ToElement() != 0; |
| 681 |
delete node;
|
| 682 |
node = 0;
|
| 683 |
|
| 684 |
// If this is the root element, we're done. Parsing will be
|
| 685 |
// done by the >> operator.
|
| 686 |
if ( isElement )
|
| 687 |
{
|
| 688 |
return;
|
| 689 |
} |
| 690 |
} |
| 691 |
else
|
| 692 |
{
|
| 693 |
SetError( TIXML_ERROR, 0, 0, TIXML_ENCODING_UNKNOWN ); |
| 694 |
return;
|
| 695 |
} |
| 696 |
} |
| 697 |
} |
| 698 |
// We should have returned sooner.
|
| 699 |
SetError( TIXML_ERROR, 0, 0, TIXML_ENCODING_UNKNOWN ); |
| 700 |
} |
| 701 |
|
| 702 |
#endif
|
| 703 |
|
| 704 |
const char* TiXmlDocument::Parse( const char* p, TiXmlParsingData* prevData, TiXmlEncoding encoding ) |
| 705 |
{
|
| 706 |
ClearError(); |
| 707 |
|
| 708 |
// Parse away, at the document level. Since a document
|
| 709 |
// contains nothing but other tags, most of what happens
|
| 710 |
// here is skipping white space.
|
| 711 |
if ( !p || !*p )
|
| 712 |
{
|
| 713 |
SetError( TIXML_ERROR_DOCUMENT_EMPTY, 0, 0, TIXML_ENCODING_UNKNOWN ); |
| 714 |
return 0; |
| 715 |
} |
| 716 |
|
| 717 |
// Note that, for a document, this needs to come
|
| 718 |
// before the while space skip, so that parsing
|
| 719 |
// starts from the pointer we are given.
|
| 720 |
location.Clear(); |
| 721 |
if ( prevData )
|
| 722 |
{
|
| 723 |
location.row = prevData->cursor.row; |
| 724 |
location.col = prevData->cursor.col; |
| 725 |
} |
| 726 |
else
|
| 727 |
{
|
| 728 |
location.row = 0;
|
| 729 |
location.col = 0;
|
| 730 |
} |
| 731 |
TiXmlParsingData data( p, TabSize(), location.row, location.col ); |
| 732 |
location = data.Cursor(); |
| 733 |
|
| 734 |
if ( encoding == TIXML_ENCODING_UNKNOWN )
|
| 735 |
{
|
| 736 |
// Check for the Microsoft UTF-8 lead bytes.
|
| 737 |
const unsigned char* pU = (const unsigned char*)p; |
| 738 |
if ( *(pU+0) && *(pU+0) == TIXML_UTF_LEAD_0 |
| 739 |
&& *(pU+1) && *(pU+1) == TIXML_UTF_LEAD_1 |
| 740 |
&& *(pU+2) && *(pU+2) == TIXML_UTF_LEAD_2 ) |
| 741 |
{
|
| 742 |
encoding = TIXML_ENCODING_UTF8; |
| 743 |
useMicrosoftBOM = true;
|
| 744 |
} |
| 745 |
} |
| 746 |
|
| 747 |
p = SkipWhiteSpace( p, encoding ); |
| 748 |
if ( !p )
|
| 749 |
{
|
| 750 |
SetError( TIXML_ERROR_DOCUMENT_EMPTY, 0, 0, TIXML_ENCODING_UNKNOWN ); |
| 751 |
return 0; |
| 752 |
} |
| 753 |
|
| 754 |
while ( p && *p )
|
| 755 |
{
|
| 756 |
TiXmlNode* node = Identify( p, encoding ); |
| 757 |
if ( node )
|
| 758 |
{
|
| 759 |
p = node->Parse( p, &data, encoding ); |
| 760 |
LinkEndChild( node ); |
| 761 |
} |
| 762 |
else
|
| 763 |
{
|
| 764 |
break;
|
| 765 |
} |
| 766 |
|
| 767 |
// Did we get encoding info?
|
| 768 |
if ( encoding == TIXML_ENCODING_UNKNOWN
|
| 769 |
&& node->ToDeclaration() ) |
| 770 |
{
|
| 771 |
TiXmlDeclaration* dec = node->ToDeclaration(); |
| 772 |
const char* enc = dec->Encoding(); |
| 773 |
assert( enc ); |
| 774 |
|
| 775 |
if ( *enc == 0 ) |
| 776 |
encoding = TIXML_ENCODING_UTF8; |
| 777 |
else if ( StringEqual( enc, "UTF-8", true, TIXML_ENCODING_UNKNOWN ) ) |
| 778 |
encoding = TIXML_ENCODING_UTF8; |
| 779 |
else if ( StringEqual( enc, "UTF8", true, TIXML_ENCODING_UNKNOWN ) ) |
| 780 |
encoding = TIXML_ENCODING_UTF8; // incorrect, but be nice
|
| 781 |
else
|
| 782 |
encoding = TIXML_ENCODING_LEGACY; |
| 783 |
} |
| 784 |
|
| 785 |
p = SkipWhiteSpace( p, encoding ); |
| 786 |
} |
| 787 |
|
| 788 |
// Was this empty?
|
| 789 |
if ( !firstChild ) {
|
| 790 |
SetError( TIXML_ERROR_DOCUMENT_EMPTY, 0, 0, encoding ); |
| 791 |
return 0; |
| 792 |
} |
| 793 |
|
| 794 |
// All is well.
|
| 795 |
return p;
|
| 796 |
} |
| 797 |
|
| 798 |
void TiXmlDocument::SetError( int err, const char* pError, TiXmlParsingData* data, TiXmlEncoding encoding ) |
| 799 |
{
|
| 800 |
// The first error in a chain is more accurate - don't set again!
|
| 801 |
if ( error )
|
| 802 |
return;
|
| 803 |
|
| 804 |
assert( err > 0 && err < TIXML_ERROR_STRING_COUNT );
|
| 805 |
error = true;
|
| 806 |
errorId = err; |
| 807 |
errorDesc = errorString[ errorId ]; |
| 808 |
|
| 809 |
errorLocation.Clear(); |
| 810 |
if ( pError && data )
|
| 811 |
{
|
| 812 |
data->Stamp( pError, encoding ); |
| 813 |
errorLocation = data->Cursor(); |
| 814 |
} |
| 815 |
} |
| 816 |
|
| 817 |
|
| 818 |
TiXmlNode* TiXmlNode::Identify( const char* p, TiXmlEncoding encoding ) |
| 819 |
{
|
| 820 |
TiXmlNode* returnNode = 0;
|
| 821 |
|
| 822 |
p = SkipWhiteSpace( p, encoding ); |
| 823 |
if( !p || !*p || *p != '<' ) |
| 824 |
{
|
| 825 |
return 0; |
| 826 |
} |
| 827 |
|
| 828 |
TiXmlDocument* doc = GetDocument(); |
| 829 |
p = SkipWhiteSpace( p, encoding ); |
| 830 |
|
| 831 |
if ( !p || !*p )
|
| 832 |
{
|
| 833 |
return 0; |
| 834 |
} |
| 835 |
|
| 836 |
// What is this thing?
|
| 837 |
// - Elements start with a letter or underscore, but xml is reserved.
|
| 838 |
// - Comments: <!--
|
| 839 |
// - Decleration: <?xml
|
| 840 |
// - Everthing else is unknown to tinyxml.
|
| 841 |
//
|
| 842 |
|
| 843 |
const char* xmlHeader = { "<?xml" }; |
| 844 |
const char* commentHeader = { "<!--" }; |
| 845 |
const char* dtdHeader = { "<!" }; |
| 846 |
const char* cdataHeader = { "<![CDATA[" }; |
| 847 |
|
| 848 |
if ( StringEqual( p, xmlHeader, true, encoding ) ) |
| 849 |
{
|
| 850 |
#ifdef DEBUG_PARSER
|
| 851 |
TIXML_LOG( "XML parsing Declaration\n" );
|
| 852 |
#endif
|
| 853 |
returnNode = new TiXmlDeclaration();
|
| 854 |
} |
| 855 |
else if ( StringEqual( p, commentHeader, false, encoding ) ) |
| 856 |
{
|
| 857 |
#ifdef DEBUG_PARSER
|
| 858 |
TIXML_LOG( "XML parsing Comment\n" );
|
| 859 |
#endif
|
| 860 |
returnNode = new TiXmlComment();
|
| 861 |
} |
| 862 |
else if ( StringEqual( p, cdataHeader, false, encoding ) ) |
| 863 |
{
|
| 864 |
#ifdef DEBUG_PARSER
|
| 865 |
TIXML_LOG( "XML parsing CDATA\n" );
|
| 866 |
#endif
|
| 867 |
TiXmlText* text = new TiXmlText( "" ); |
| 868 |
text->SetCDATA( true );
|
| 869 |
returnNode = text; |
| 870 |
} |
| 871 |
else if ( StringEqual( p, dtdHeader, false, encoding ) ) |
| 872 |
{
|
| 873 |
#ifdef DEBUG_PARSER
|
| 874 |
TIXML_LOG( "XML parsing Unknown(1)\n" );
|
| 875 |
#endif
|
| 876 |
returnNode = new TiXmlUnknown();
|
| 877 |
} |
| 878 |
else if ( IsAlpha( *(p+1), encoding ) |
| 879 |
|| *(p+1) == '_' ) |
| 880 |
{
|
| 881 |
#ifdef DEBUG_PARSER
|
| 882 |
TIXML_LOG( "XML parsing Element\n" );
|
| 883 |
#endif
|
| 884 |
returnNode = new TiXmlElement( "" ); |
| 885 |
} |
| 886 |
else
|
| 887 |
{
|
| 888 |
#ifdef DEBUG_PARSER
|
| 889 |
TIXML_LOG( "XML parsing Unknown(2)\n" );
|
| 890 |
#endif
|
| 891 |
returnNode = new TiXmlUnknown();
|
| 892 |
} |
| 893 |
|
| 894 |
if ( returnNode )
|
| 895 |
{
|
| 896 |
// Set the parent, so it can report errors
|
| 897 |
returnNode->parent = this;
|
| 898 |
} |
| 899 |
else
|
| 900 |
{
|
| 901 |
if ( doc )
|
| 902 |
doc->SetError( TIXML_ERROR_OUT_OF_MEMORY, 0, 0, TIXML_ENCODING_UNKNOWN ); |
| 903 |
} |
| 904 |
return returnNode;
|
| 905 |
} |
| 906 |
|
| 907 |
#ifdef TIXML_USE_STL
|
| 908 |
|
| 909 |
void TiXmlElement::StreamIn (std::istream * in, TIXML_STRING * tag)
|
| 910 |
{
|
| 911 |
// We're called with some amount of pre-parsing. That is, some of "this"
|
| 912 |
// element is in "tag". Go ahead and stream to the closing ">"
|
| 913 |
while( in->good() )
|
| 914 |
{
|
| 915 |
int c = in->get();
|
| 916 |
if ( c <= 0 ) |
| 917 |
{
|
| 918 |
TiXmlDocument* document = GetDocument(); |
| 919 |
if ( document )
|
| 920 |
document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
| 921 |
return;
|
| 922 |
} |
| 923 |
(*tag) += (char) c ;
|
| 924 |
|
| 925 |
if ( c == '>' ) |
| 926 |
break;
|
| 927 |
} |
| 928 |
|
| 929 |
if ( tag->length() < 3 ) return; |
| 930 |
|
| 931 |
// Okay...if we are a "/>" tag, then we're done. We've read a complete tag.
|
| 932 |
// If not, identify and stream.
|
| 933 |
|
| 934 |
if ( tag->at( tag->length() - 1 ) == '>' |
| 935 |
&& tag->at( tag->length() - 2 ) == '/' ) |
| 936 |
{
|
| 937 |
// All good!
|
| 938 |
return;
|
| 939 |
} |
| 940 |
else if ( tag->at( tag->length() - 1 ) == '>' ) |
| 941 |
{
|
| 942 |
// There is more. Could be:
|
| 943 |
// text
|
| 944 |
// cdata text (which looks like another node)
|
| 945 |
// closing tag
|
| 946 |
// another node.
|
| 947 |
for ( ;; )
|
| 948 |
{
|
| 949 |
StreamWhiteSpace( in, tag ); |
| 950 |
|
| 951 |
// Do we have text?
|
| 952 |
if ( in->good() && in->peek() != '<' ) |
| 953 |
{
|
| 954 |
// Yep, text.
|
| 955 |
TiXmlText text( "" );
|
| 956 |
text.StreamIn( in, tag ); |
| 957 |
|
| 958 |
// What follows text is a closing tag or another node.
|
| 959 |
// Go around again and figure it out.
|
| 960 |
continue;
|
| 961 |
} |
| 962 |
|
| 963 |
// We now have either a closing tag...or another node.
|
| 964 |
// We should be at a "<", regardless.
|
| 965 |
if ( !in->good() ) return; |
| 966 |
assert( in->peek() == '<' );
|
| 967 |
int tagIndex = (int) tag->length(); |
| 968 |
|
| 969 |
bool closingTag = false; |
| 970 |
bool firstCharFound = false; |
| 971 |
|
| 972 |
for( ;; )
|
| 973 |
{
|
| 974 |
if ( !in->good() )
|
| 975 |
return;
|
| 976 |
|
| 977 |
int c = in->peek();
|
| 978 |
if ( c <= 0 ) |
| 979 |
{
|
| 980 |
TiXmlDocument* document = GetDocument(); |
| 981 |
if ( document )
|
| 982 |
document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
| 983 |
return;
|
| 984 |
} |
| 985 |
|
| 986 |
if ( c == '>' ) |
| 987 |
break;
|
| 988 |
|
| 989 |
*tag += (char) c;
|
| 990 |
in->get(); |
| 991 |
|
| 992 |
// Early out if we find the CDATA id.
|
| 993 |
if ( c == '[' && tag->size() >= 9 ) |
| 994 |
{
|
| 995 |
size_t len = tag->size(); |
| 996 |
const char* start = tag->c_str() + len - 9; |
| 997 |
if ( strcmp( start, "<![CDATA[" ) == 0 ) { |
| 998 |
assert( !closingTag ); |
| 999 |
break;
|
| 1000 |
} |
| 1001 |
} |
| 1002 |
|
| 1003 |
if ( !firstCharFound && c != '<' && !IsWhiteSpace( c ) ) |
| 1004 |
{
|
| 1005 |
firstCharFound = true;
|
| 1006 |
if ( c == '/' ) |
| 1007 |
closingTag = true;
|
| 1008 |
} |
| 1009 |
} |
| 1010 |
// If it was a closing tag, then read in the closing '>' to clean up the input stream.
|
| 1011 |
// If it was not, the streaming will be done by the tag.
|
| 1012 |
if ( closingTag )
|
| 1013 |
{
|
| 1014 |
if ( !in->good() )
|
| 1015 |
return;
|
| 1016 |
|
| 1017 |
int c = in->get();
|
| 1018 |
if ( c <= 0 ) |
| 1019 |
{
|
| 1020 |
TiXmlDocument* document = GetDocument(); |
| 1021 |
if ( document )
|
| 1022 |
document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
| 1023 |
return;
|
| 1024 |
} |
| 1025 |
assert( c == '>' );
|
| 1026 |
*tag += (char) c;
|
| 1027 |
|
| 1028 |
// We are done, once we've found our closing tag.
|
| 1029 |
return;
|
| 1030 |
} |
| 1031 |
else
|
| 1032 |
{
|
| 1033 |
// If not a closing tag, id it, and stream.
|
| 1034 |
const char* tagloc = tag->c_str() + tagIndex; |
| 1035 |
TiXmlNode* node = Identify( tagloc, TIXML_DEFAULT_ENCODING ); |
| 1036 |
if ( !node )
|
| 1037 |
return;
|
| 1038 |
node->StreamIn( in, tag ); |
| 1039 |
delete node;
|
| 1040 |
node = 0;
|
| 1041 |
|
| 1042 |
// No return: go around from the beginning: text, closing tag, or node.
|
| 1043 |
} |
| 1044 |
} |
| 1045 |
} |
| 1046 |
} |
| 1047 |
#endif
|
| 1048 |
|
| 1049 |
const char* TiXmlElement::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) |
| 1050 |
{
|
| 1051 |
p = SkipWhiteSpace( p, encoding ); |
| 1052 |
TiXmlDocument* document = GetDocument(); |
| 1053 |
|
| 1054 |
if ( !p || !*p )
|
| 1055 |
{
|
| 1056 |
if ( document ) document->SetError( TIXML_ERROR_PARSING_ELEMENT, 0, 0, encoding ); |
| 1057 |
return 0; |
| 1058 |
} |
| 1059 |
|
| 1060 |
if ( data )
|
| 1061 |
{
|
| 1062 |
data->Stamp( p, encoding ); |
| 1063 |
location = data->Cursor(); |
| 1064 |
} |
| 1065 |
|
| 1066 |
if ( *p != '<' ) |
| 1067 |
{
|
| 1068 |
if ( document ) document->SetError( TIXML_ERROR_PARSING_ELEMENT, p, data, encoding );
|
| 1069 |
return 0; |
| 1070 |
} |
| 1071 |
|
| 1072 |
p = SkipWhiteSpace( p+1, encoding );
|
| 1073 |
|
| 1074 |
// Read the name.
|
| 1075 |
const char* pErr = p; |
| 1076 |
|
| 1077 |
p = ReadName( p, &value, encoding ); |
| 1078 |
if ( !p || !*p )
|
| 1079 |
{
|
| 1080 |
if ( document ) document->SetError( TIXML_ERROR_FAILED_TO_READ_ELEMENT_NAME, pErr, data, encoding );
|
| 1081 |
return 0; |
| 1082 |
} |
| 1083 |
|
| 1084 |
TIXML_STRING endTag ("</");
|
| 1085 |
endTag += value; |
| 1086 |
endTag += ">";
|
| 1087 |
|
| 1088 |
// Check for and read attributes. Also look for an empty
|
| 1089 |
// tag or an end tag.
|
| 1090 |
while ( p && *p )
|
| 1091 |
{
|
| 1092 |
pErr = p; |
| 1093 |
p = SkipWhiteSpace( p, encoding ); |
| 1094 |
if ( !p || !*p )
|
| 1095 |
{
|
| 1096 |
if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, pErr, data, encoding );
|
| 1097 |
return 0; |
| 1098 |
} |
| 1099 |
if ( *p == '/' ) |
| 1100 |
{
|
| 1101 |
++p; |
| 1102 |
// Empty tag.
|
| 1103 |
if ( *p != '>' ) |
| 1104 |
{
|
| 1105 |
if ( document ) document->SetError( TIXML_ERROR_PARSING_EMPTY, p, data, encoding );
|
| 1106 |
return 0; |
| 1107 |
} |
| 1108 |
return (p+1); |
| 1109 |
} |
| 1110 |
else if ( *p == '>' ) |
| 1111 |
{
|
| 1112 |
// Done with attributes (if there were any.)
|
| 1113 |
// Read the value -- which can include other
|
| 1114 |
// elements -- read the end tag, and return.
|
| 1115 |
++p; |
| 1116 |
p = ReadValue( p, data, encoding ); // Note this is an Element method, and will set the error if one happens.
|
| 1117 |
if ( !p || !*p ) {
|
| 1118 |
// We were looking for the end tag, but found nothing.
|
| 1119 |
// Fix for [ 1663758 ] Failure to report error on bad XML
|
| 1120 |
if ( document ) document->SetError( TIXML_ERROR_READING_END_TAG, p, data, encoding );
|
| 1121 |
return 0; |
| 1122 |
} |
| 1123 |
|
| 1124 |
// We should find the end tag now
|
| 1125 |
if ( StringEqual( p, endTag.c_str(), false, encoding ) ) |
| 1126 |
{
|
| 1127 |
p += endTag.length(); |
| 1128 |
return p;
|
| 1129 |
} |
| 1130 |
else
|
| 1131 |
{
|
| 1132 |
if ( document ) document->SetError( TIXML_ERROR_READING_END_TAG, p, data, encoding );
|
| 1133 |
return 0; |
| 1134 |
} |
| 1135 |
} |
| 1136 |
else
|
| 1137 |
{
|
| 1138 |
// Try to read an attribute:
|
| 1139 |
TiXmlAttribute* attrib = new TiXmlAttribute();
|
| 1140 |
if ( !attrib )
|
| 1141 |
{
|
| 1142 |
if ( document ) document->SetError( TIXML_ERROR_OUT_OF_MEMORY, pErr, data, encoding );
|
| 1143 |
return 0; |
| 1144 |
} |
| 1145 |
|
| 1146 |
attrib->SetDocument( document ); |
| 1147 |
pErr = p; |
| 1148 |
p = attrib->Parse( p, data, encoding ); |
| 1149 |
|
| 1150 |
if ( !p || !*p )
|
| 1151 |
{
|
| 1152 |
if ( document ) document->SetError( TIXML_ERROR_PARSING_ELEMENT, pErr, data, encoding );
|
| 1153 |
delete attrib;
|
| 1154 |
return 0; |
| 1155 |
} |
| 1156 |
|
| 1157 |
// Handle the strange case of double attributes:
|
| 1158 |
#ifdef TIXML_USE_STL
|
| 1159 |
TiXmlAttribute* node = attributeSet.Find( attrib->NameTStr() ); |
| 1160 |
#else
|
| 1161 |
TiXmlAttribute* node = attributeSet.Find( attrib->Name() ); |
| 1162 |
#endif
|
| 1163 |
if ( node )
|
| 1164 |
{
|
| 1165 |
node->SetValue( attrib->Value() ); |
| 1166 |
delete attrib;
|
| 1167 |
return 0; |
| 1168 |
} |
| 1169 |
|
| 1170 |
attributeSet.Add( attrib ); |
| 1171 |
} |
| 1172 |
} |
| 1173 |
return p;
|
| 1174 |
} |
| 1175 |
|
| 1176 |
|
| 1177 |
const char* TiXmlElement::ReadValue( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) |
| 1178 |
{
|
| 1179 |
TiXmlDocument* document = GetDocument(); |
| 1180 |
|
| 1181 |
// Read in text and elements in any order.
|
| 1182 |
const char* pWithWhiteSpace = p; |
| 1183 |
p = SkipWhiteSpace( p, encoding ); |
| 1184 |
|
| 1185 |
while ( p && *p )
|
| 1186 |
{
|
| 1187 |
if ( *p != '<' ) |
| 1188 |
{
|
| 1189 |
// Take what we have, make a text element.
|
| 1190 |
TiXmlText* textNode = new TiXmlText( "" ); |
| 1191 |
|
| 1192 |
if ( !textNode )
|
| 1193 |
{
|
| 1194 |
if ( document ) document->SetError( TIXML_ERROR_OUT_OF_MEMORY, 0, 0, encoding ); |
| 1195 |
return 0; |
| 1196 |
} |
| 1197 |
|
| 1198 |
if ( TiXmlBase::IsWhiteSpaceCondensed() )
|
| 1199 |
{
|
| 1200 |
p = textNode->Parse( p, data, encoding ); |
| 1201 |
} |
| 1202 |
else
|
| 1203 |
{
|
| 1204 |
// Special case: we want to keep the white space
|
| 1205 |
// so that leading spaces aren't removed.
|
| 1206 |
p = textNode->Parse( pWithWhiteSpace, data, encoding ); |
| 1207 |
} |
| 1208 |
|
| 1209 |
if ( !textNode->Blank() )
|
| 1210 |
LinkEndChild( textNode ); |
| 1211 |
else
|
| 1212 |
delete textNode;
|
| 1213 |
} |
| 1214 |
else
|
| 1215 |
{
|
| 1216 |
// We hit a '<'
|
| 1217 |
// Have we hit a new element or an end tag? This could also be
|
| 1218 |
// a TiXmlText in the "CDATA" style.
|
| 1219 |
if ( StringEqual( p, "</", false, encoding ) ) |
| 1220 |
{
|
| 1221 |
return p;
|
| 1222 |
} |
| 1223 |
else
|
| 1224 |
{
|
| 1225 |
TiXmlNode* node = Identify( p, encoding ); |
| 1226 |
if ( node )
|
| 1227 |
{
|
| 1228 |
p = node->Parse( p, data, encoding ); |
| 1229 |
LinkEndChild( node ); |
| 1230 |
} |
| 1231 |
else
|
| 1232 |
{
|
| 1233 |
return 0; |
| 1234 |
} |
| 1235 |
} |
| 1236 |
} |
| 1237 |
pWithWhiteSpace = p; |
| 1238 |
p = SkipWhiteSpace( p, encoding ); |
| 1239 |
} |
| 1240 |
|
| 1241 |
if ( !p )
|
| 1242 |
{
|
| 1243 |
if ( document ) document->SetError( TIXML_ERROR_READING_ELEMENT_VALUE, 0, 0, encoding ); |
| 1244 |
} |
| 1245 |
return p;
|
| 1246 |
} |
| 1247 |
|
| 1248 |
|
| 1249 |
#ifdef TIXML_USE_STL
|
| 1250 |
void TiXmlUnknown::StreamIn( std::istream * in, TIXML_STRING * tag )
|
| 1251 |
{
|
| 1252 |
while ( in->good() )
|
| 1253 |
{
|
| 1254 |
int c = in->get();
|
| 1255 |
if ( c <= 0 ) |
| 1256 |
{
|
| 1257 |
TiXmlDocument* document = GetDocument(); |
| 1258 |
if ( document )
|
| 1259 |
document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
| 1260 |
return;
|
| 1261 |
} |
| 1262 |
(*tag) += (char) c;
|
| 1263 |
|
| 1264 |
if ( c == '>' ) |
| 1265 |
{
|
| 1266 |
// All is well.
|
| 1267 |
return;
|
| 1268 |
} |
| 1269 |
} |
| 1270 |
} |
| 1271 |
#endif
|
| 1272 |
|
| 1273 |
|
| 1274 |
const char* TiXmlUnknown::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) |
| 1275 |
{
|
| 1276 |
TiXmlDocument* document = GetDocument(); |
| 1277 |
p = SkipWhiteSpace( p, encoding ); |
| 1278 |
|
| 1279 |
if ( data )
|
| 1280 |
{
|
| 1281 |
data->Stamp( p, encoding ); |
| 1282 |
location = data->Cursor(); |
| 1283 |
} |
| 1284 |
if ( !p || !*p || *p != '<' ) |
| 1285 |
{
|
| 1286 |
if ( document ) document->SetError( TIXML_ERROR_PARSING_UNKNOWN, p, data, encoding );
|
| 1287 |
return 0; |
| 1288 |
} |
| 1289 |
++p; |
| 1290 |
value = "";
|
| 1291 |
|
| 1292 |
while ( p && *p && *p != '>' ) |
| 1293 |
{
|
| 1294 |
value += *p; |
| 1295 |
++p; |
| 1296 |
} |
| 1297 |
|
| 1298 |
if ( !p )
|
| 1299 |
{
|
| 1300 |
if ( document ) document->SetError( TIXML_ERROR_PARSING_UNKNOWN, 0, 0, encoding ); |
| 1301 |
} |
| 1302 |
if ( *p == '>' ) |
| 1303 |
return p+1; |
| 1304 |
return p;
|
| 1305 |
} |
| 1306 |
|
| 1307 |
#ifdef TIXML_USE_STL
|
| 1308 |
void TiXmlComment::StreamIn( std::istream * in, TIXML_STRING * tag )
|
| 1309 |
{
|
| 1310 |
while ( in->good() )
|
| 1311 |
{
|
| 1312 |
int c = in->get();
|
| 1313 |
if ( c <= 0 ) |
| 1314 |
{
|
| 1315 |
TiXmlDocument* document = GetDocument(); |
| 1316 |
if ( document )
|
| 1317 |
document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
| 1318 |
return;
|
| 1319 |
} |
| 1320 |
|
| 1321 |
(*tag) += (char) c;
|
| 1322 |
|
| 1323 |
if ( c == '>' |
| 1324 |
&& tag->at( tag->length() - 2 ) == '-' |
| 1325 |
&& tag->at( tag->length() - 3 ) == '-' ) |
| 1326 |
{
|
| 1327 |
// All is well.
|
| 1328 |
return;
|
| 1329 |
} |
| 1330 |
} |
| 1331 |
} |
| 1332 |
#endif
|
| 1333 |
|
| 1334 |
|
| 1335 |
const char* TiXmlComment::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) |
| 1336 |
{
|
| 1337 |
TiXmlDocument* document = GetDocument(); |
| 1338 |
value = "";
|
| 1339 |
|
| 1340 |
p = SkipWhiteSpace( p, encoding ); |
| 1341 |
|
| 1342 |
if ( data )
|
| 1343 |
{
|
| 1344 |
data->Stamp( p, encoding ); |
| 1345 |
location = data->Cursor(); |
| 1346 |
} |
| 1347 |
const char* startTag = "<!--"; |
| 1348 |
const char* endTag = "-->"; |
| 1349 |
|
| 1350 |
if ( !StringEqual( p, startTag, false, encoding ) ) |
| 1351 |
{
|
| 1352 |
document->SetError( TIXML_ERROR_PARSING_COMMENT, p, data, encoding ); |
| 1353 |
return 0; |
| 1354 |
} |
| 1355 |
p += strlen( startTag ); |
| 1356 |
|
| 1357 |
// [ 1475201 ] TinyXML parses entities in comments
|
| 1358 |
// Oops - ReadText doesn't work, because we don't want to parse the entities.
|
| 1359 |
// p = ReadText( p, &value, false, endTag, false, encoding );
|
| 1360 |
//
|
| 1361 |
// from the XML spec:
|
| 1362 |
/*
|
| 1363 |
[Definition: Comments may appear anywhere in a document outside other markup; in addition, |
| 1364 |
they may appear within the document type declaration at places allowed by the grammar. |
| 1365 |
They are not part of the document's character data; an XML processor MAY, but need not, |
| 1366 |
make it possible for an application to retrieve the text of comments. For compatibility, |
| 1367 |
the string "--" (double-hyphen) MUST NOT occur within comments.] Parameter entity |
| 1368 |
references MUST NOT be recognized within comments. |
| 1369 |
|
| 1370 |
An example of a comment: |
| 1371 |
|
| 1372 |
<!-- declarations for <head> & <body> --> |
| 1373 |
*/ |
| 1374 |
|
| 1375 |
value = "";
|
| 1376 |
// Keep all the white space.
|
| 1377 |
while ( p && *p && !StringEqual( p, endTag, false, encoding ) ) |
| 1378 |
{
|
| 1379 |
value.append( p, 1 );
|
| 1380 |
++p; |
| 1381 |
} |
| 1382 |
if ( p )
|
| 1383 |
p += strlen( endTag ); |
| 1384 |
|
| 1385 |
return p;
|
| 1386 |
} |
| 1387 |
|
| 1388 |
|
| 1389 |
const char* TiXmlAttribute::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) |
| 1390 |
{
|
| 1391 |
p = SkipWhiteSpace( p, encoding ); |
| 1392 |
if ( !p || !*p ) return 0; |
| 1393 |
|
| 1394 |
// int tabsize = 4;
|
| 1395 |
// if ( document )
|
| 1396 |
// tabsize = document->TabSize();
|
| 1397 |
|
| 1398 |
if ( data )
|
| 1399 |
{
|
| 1400 |
data->Stamp( p, encoding ); |
| 1401 |
location = data->Cursor(); |
| 1402 |
} |
| 1403 |
// Read the name, the '=' and the value.
|
| 1404 |
const char* pErr = p; |
| 1405 |
p = ReadName( p, &name, encoding ); |
| 1406 |
if ( !p || !*p )
|
| 1407 |
{
|
| 1408 |
if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, pErr, data, encoding );
|
| 1409 |
return 0; |
| 1410 |
} |
| 1411 |
p = SkipWhiteSpace( p, encoding ); |
| 1412 |
if ( !p || !*p || *p != '=' ) |
| 1413 |
{
|
| 1414 |
if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, p, data, encoding );
|
| 1415 |
return 0; |
| 1416 |
} |
| 1417 |
|
| 1418 |
++p; // skip '='
|
| 1419 |
p = SkipWhiteSpace( p, encoding ); |
| 1420 |
if ( !p || !*p )
|
| 1421 |
{
|
| 1422 |
if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, p, data, encoding );
|
| 1423 |
return 0; |
| 1424 |
} |
| 1425 |
|
| 1426 |
const char* end; |
| 1427 |
const char SINGLE_QUOTE = '\''; |
| 1428 |
const char DOUBLE_QUOTE = '\"'; |
| 1429 |
|
| 1430 |
if ( *p == SINGLE_QUOTE )
|
| 1431 |
{
|
| 1432 |
++p; |
| 1433 |
end = "\'"; // single quote in string |
| 1434 |
p = ReadText( p, &value, false, end, false, encoding ); |
| 1435 |
} |
| 1436 |
else if ( *p == DOUBLE_QUOTE ) |
| 1437 |
{
|
| 1438 |
++p; |
| 1439 |
end = "\""; // double quote in string |
| 1440 |
p = ReadText( p, &value, false, end, false, encoding ); |
| 1441 |
} |
| 1442 |
else
|
| 1443 |
{
|
| 1444 |
// All attribute values should be in single or double quotes.
|
| 1445 |
// But this is such a common error that the parser will try
|
| 1446 |
// its best, even without them.
|
| 1447 |
value = "";
|
| 1448 |
while ( p && *p // existence |
| 1449 |
&& !IsWhiteSpace( *p ) && *p != '\n' && *p != '\r' // whitespace |
| 1450 |
&& *p != '/' && *p != '>' ) // tag end |
| 1451 |
{
|
| 1452 |
if ( *p == SINGLE_QUOTE || *p == DOUBLE_QUOTE ) {
|
| 1453 |
// [ 1451649 ] Attribute values with trailing quotes not handled correctly
|
| 1454 |
// We did not have an opening quote but seem to have a
|
| 1455 |
// closing one. Give up and throw an error.
|
| 1456 |
if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, p, data, encoding );
|
| 1457 |
return 0; |
| 1458 |
} |
| 1459 |
value += *p; |
| 1460 |
++p; |
| 1461 |
} |
| 1462 |
} |
| 1463 |
return p;
|
| 1464 |
} |
| 1465 |
|
| 1466 |
#ifdef TIXML_USE_STL
|
| 1467 |
void TiXmlText::StreamIn( std::istream * in, TIXML_STRING * tag )
|
| 1468 |
{
|
| 1469 |
while ( in->good() )
|
| 1470 |
{
|
| 1471 |
int c = in->peek();
|
| 1472 |
if ( !cdata && (c == '<' ) ) |
| 1473 |
{
|
| 1474 |
return;
|
| 1475 |
} |
| 1476 |
if ( c <= 0 ) |
| 1477 |
{
|
| 1478 |
TiXmlDocument* document = GetDocument(); |
| 1479 |
if ( document )
|
| 1480 |
document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
| 1481 |
return;
|
| 1482 |
} |
| 1483 |
|
| 1484 |
(*tag) += (char) c;
|
| 1485 |
in->get(); // "commits" the peek made above
|
| 1486 |
|
| 1487 |
if ( cdata && c == '>' && tag->size() >= 3 ) { |
| 1488 |
size_t len = tag->size(); |
| 1489 |
if ( (*tag)[len-2] == ']' && (*tag)[len-3] == ']' ) { |
| 1490 |
// terminator of cdata.
|
| 1491 |
return;
|
| 1492 |
} |
| 1493 |
} |
| 1494 |
} |
| 1495 |
} |
| 1496 |
#endif
|
| 1497 |
|
| 1498 |
const char* TiXmlText::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) |
| 1499 |
{
|
| 1500 |
value = "";
|
| 1501 |
TiXmlDocument* document = GetDocument(); |
| 1502 |
|
| 1503 |
if ( data )
|
| 1504 |
{
|
| 1505 |
data->Stamp( p, encoding ); |
| 1506 |
location = data->Cursor(); |
| 1507 |
} |
| 1508 |
|
| 1509 |
const char* const startTag = "<![CDATA["; |
| 1510 |
const char* const endTag = "]]>"; |
| 1511 |
|
| 1512 |
if ( cdata || StringEqual( p, startTag, false, encoding ) ) |
| 1513 |
{
|
| 1514 |
cdata = true;
|
| 1515 |
|
| 1516 |
if ( !StringEqual( p, startTag, false, encoding ) ) |
| 1517 |
{
|
| 1518 |
document->SetError( TIXML_ERROR_PARSING_CDATA, p, data, encoding ); |
| 1519 |
return 0; |
| 1520 |
} |
| 1521 |
p += strlen( startTag ); |
| 1522 |
|
| 1523 |
// Keep all the white space, ignore the encoding, etc.
|
| 1524 |
while ( p && *p
|
| 1525 |
&& !StringEqual( p, endTag, false, encoding )
|
| 1526 |
) |
| 1527 |
{
|
| 1528 |
value += *p; |
| 1529 |
++p; |
| 1530 |
} |
| 1531 |
|
| 1532 |
TIXML_STRING dummy; |
| 1533 |
p = ReadText( p, &dummy, false, endTag, false, encoding ); |
| 1534 |
return p;
|
| 1535 |
} |
| 1536 |
else
|
| 1537 |
{
|
| 1538 |
bool ignoreWhite = true; |
| 1539 |
|
| 1540 |
const char* end = "<"; |
| 1541 |
p = ReadText( p, &value, ignoreWhite, end, false, encoding );
|
| 1542 |
if ( p )
|
| 1543 |
return p-1; // don't truncate the '<' |
| 1544 |
return 0; |
| 1545 |
} |
| 1546 |
} |
| 1547 |
|
| 1548 |
#ifdef TIXML_USE_STL
|
| 1549 |
void TiXmlDeclaration::StreamIn( std::istream * in, TIXML_STRING * tag )
|
| 1550 |
{
|
| 1551 |
while ( in->good() )
|
| 1552 |
{
|
| 1553 |
int c = in->get();
|
| 1554 |
if ( c <= 0 ) |
| 1555 |
{
|
| 1556 |
TiXmlDocument* document = GetDocument(); |
| 1557 |
if ( document )
|
| 1558 |
document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
| 1559 |
return;
|
| 1560 |
} |
| 1561 |
(*tag) += (char) c;
|
| 1562 |
|
| 1563 |
if ( c == '>' ) |
| 1564 |
{
|
| 1565 |
// All is well.
|
| 1566 |
return;
|
| 1567 |
} |
| 1568 |
} |
| 1569 |
} |
| 1570 |
#endif
|
| 1571 |
|
| 1572 |
const char* TiXmlDeclaration::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding _encoding ) |
| 1573 |
{
|
| 1574 |
p = SkipWhiteSpace( p, _encoding ); |
| 1575 |
// Find the beginning, find the end, and look for
|
| 1576 |
// the stuff in-between.
|
| 1577 |
TiXmlDocument* document = GetDocument(); |
| 1578 |
if ( !p || !*p || !StringEqual( p, "<?xml", true, _encoding ) ) |
| 1579 |
{
|
| 1580 |
if ( document ) document->SetError( TIXML_ERROR_PARSING_DECLARATION, 0, 0, _encoding ); |
| 1581 |
return 0; |
| 1582 |
} |
| 1583 |
if ( data )
|
| 1584 |
{
|
| 1585 |
data->Stamp( p, _encoding ); |
| 1586 |
location = data->Cursor(); |
| 1587 |
} |
| 1588 |
p += 5;
|
| 1589 |
|
| 1590 |
version = "";
|
| 1591 |
encoding = "";
|
| 1592 |
standalone = "";
|
| 1593 |
|
| 1594 |
while ( p && *p )
|
| 1595 |
{
|
| 1596 |
if ( *p == '>' ) |
| 1597 |
{
|
| 1598 |
++p; |
| 1599 |
return p;
|
| 1600 |
} |
| 1601 |
|
| 1602 |
p = SkipWhiteSpace( p, _encoding ); |
| 1603 |
if ( StringEqual( p, "version", true, _encoding ) ) |
| 1604 |
{
|
| 1605 |
TiXmlAttribute attrib; |
| 1606 |
p = attrib.Parse( p, data, _encoding ); |
| 1607 |
version = attrib.Value(); |
| 1608 |
} |
| 1609 |
else if ( StringEqual( p, "encoding", true, _encoding ) ) |
| 1610 |
{
|
| 1611 |
TiXmlAttribute attrib; |
| 1612 |
p = attrib.Parse( p, data, _encoding ); |
| 1613 |
encoding = attrib.Value(); |
| 1614 |
} |
| 1615 |
else if ( StringEqual( p, "standalone", true, _encoding ) ) |
| 1616 |
{
|
| 1617 |
TiXmlAttribute attrib; |
| 1618 |
p = attrib.Parse( p, data, _encoding ); |
| 1619 |
standalone = attrib.Value(); |
| 1620 |
} |
| 1621 |
else
|
| 1622 |
{
|
| 1623 |
// Read over whatever it is.
|
| 1624 |
while( p && *p && *p != '>' && !IsWhiteSpace( *p ) ) |
| 1625 |
++p; |
| 1626 |
} |
| 1627 |
} |
| 1628 |
return 0; |
| 1629 |
} |
| 1630 |
|
| 1631 |
bool TiXmlText::Blank() const |
| 1632 |
{
|
| 1633 |
for ( unsigned i=0; i<value.length(); i++ ) |
| 1634 |
if ( !IsWhiteSpace( value[i] ) )
|
| 1635 |
return false; |
| 1636 |
return true; |
| 1637 |
} |
| 1638 |
|