[471] | 1 | /* |
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| 2 | www.sourceforge.net/projects/tinyxml |
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| 3 | Original code (2.0 and earlier )copyright (c) 2000-2002 Lee Thomason (www.grinninglizard.com) |
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| 4 | |
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| 5 | This software is provided 'as-is', without any express or implied |
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| 6 | warranty. In no event will the authors be held liable for any |
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| 7 | damages arising from the use of this software. |
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| 8 | |
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| 9 | Permission is granted to anyone to use this software for any |
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| 10 | purpose, including commercial applications, and to alter it and |
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| 11 | redistribute it freely, subject to the following restrictions: |
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| 12 | |
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| 13 | 1. The origin of this software must not be misrepresented; you must |
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| 14 | not claim that you wrote the original software. If you use this |
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| 15 | software in a product, an acknowledgment in the product documentation |
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| 16 | would be appreciated but is not required. |
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| 17 | |
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| 18 | 2. Altered source versions must be plainly marked as such, and |
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| 19 | must not be misrepresented as being the original software. |
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| 20 | |
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| 21 | 3. This notice may not be removed or altered from any source |
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| 22 | distribution. |
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| 23 | */ |
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| 24 | |
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| 25 | #include "tinyxml.h" |
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| 26 | #include <ctype.h> |
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| 27 | #include <stddef.h> |
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| 28 | |
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| 29 | //#define DEBUG_PARSER |
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| 30 | |
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| 31 | // Note tha "PutString" hardcodes the same list. This |
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| 32 | // is less flexible than it appears. Changing the entries |
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| 33 | // or order will break putstring. |
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| 34 | TiXmlBase::Entity TiXmlBase::entity[ NUM_ENTITY ] = |
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| 35 | { |
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| 36 | { "&", 5, '&' }, |
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| 37 | { "<", 4, '<' }, |
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| 38 | { ">", 4, '>' }, |
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| 39 | { """, 6, '\"' }, |
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| 40 | { "'", 6, '\'' } |
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| 41 | }; |
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| 42 | |
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| 43 | // Bunch of unicode info at: |
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| 44 | // http://www.unicode.org/faq/utf_bom.html |
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| 45 | // Including the basic of this table, which determines the #bytes in the |
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| 46 | // sequence from the lead byte. 1 placed for invalid sequences -- |
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| 47 | // although the result will be junk, pass it through as much as possible. |
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| 48 | // Beware of the non-characters in UTF-8: |
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| 49 | // ef bb bf (Microsoft "lead bytes") |
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| 50 | // ef bf be |
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| 51 | // ef bf bf |
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| 52 | |
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| 53 | const unsigned char TIXML_UTF_LEAD_0 = 0xefU; |
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| 54 | const unsigned char TIXML_UTF_LEAD_1 = 0xbbU; |
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| 55 | const unsigned char TIXML_UTF_LEAD_2 = 0xbfU; |
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| 56 | |
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| 57 | const int TiXmlBase::utf8ByteTable[256] = |
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| 58 | { |
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| 59 | // 0 1 2 3 4 5 6 7 8 9 a b c d e f |
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| 60 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x00 |
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| 61 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x10 |
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| 62 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x20 |
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| 63 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x30 |
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| 64 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x40 |
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| 65 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x50 |
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| 66 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x60 |
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| 67 | 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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| 68 | 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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| 69 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x90 |
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| 70 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0xa0 |
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| 71 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0xb0 |
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| 72 | 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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| 73 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // 0xd0 |
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| 74 | 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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| 75 | 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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| 76 | }; |
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| 77 | |
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| 78 | |
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| 79 | void TiXmlBase::ConvertUTF32ToUTF8( unsigned long input, char* output, int* length ) |
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| 80 | { |
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| 81 | const unsigned long BYTE_MASK = 0xBF; |
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| 82 | const unsigned long BYTE_MARK = 0x80; |
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| 83 | const unsigned long FIRST_BYTE_MARK[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC }; |
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| 84 | |
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| 85 | if (input < 0x80) |
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| 86 | *length = 1; |
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| 87 | else if ( input < 0x800 ) |
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| 88 | *length = 2; |
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| 89 | else if ( input < 0x10000 ) |
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| 90 | *length = 3; |
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| 91 | else if ( input < 0x200000 ) |
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| 92 | *length = 4; |
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| 93 | else |
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| 94 | { *length = 0; return; } // This code won't covert this correctly anyway. |
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| 95 | |
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| 96 | output += *length; |
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| 97 | |
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| 98 | // Scary scary fall throughs. |
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| 99 | switch (*length) |
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| 100 | { |
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| 101 | case 4: |
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| 102 | --output; |
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| 103 | *output = (char)((input | BYTE_MARK) & BYTE_MASK); |
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| 104 | input >>= 6; |
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| 105 | case 3: |
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| 106 | --output; |
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| 107 | *output = (char)((input | BYTE_MARK) & BYTE_MASK); |
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| 108 | input >>= 6; |
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| 109 | case 2: |
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| 110 | --output; |
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| 111 | *output = (char)((input | BYTE_MARK) & BYTE_MASK); |
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| 112 | input >>= 6; |
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| 113 | case 1: |
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| 114 | --output; |
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| 115 | *output = (char)(input | FIRST_BYTE_MARK[*length]); |
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| 116 | } |
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| 117 | } |
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| 118 | |
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| 119 | |
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| 120 | /*static*/ int TiXmlBase::IsAlpha( unsigned char anyByte, TiXmlEncoding /*encoding*/ ) |
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| 121 | { |
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| 122 | // This will only work for low-ascii, everything else is assumed to be a valid |
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| 123 | // letter. I'm not sure this is the best approach, but it is quite tricky trying |
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| 124 | // to figure out alhabetical vs. not across encoding. So take a very |
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| 125 | // conservative approach. |
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| 126 | |
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| 127 | // if ( encoding == TIXML_ENCODING_UTF8 ) |
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| 128 | // { |
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| 129 | if ( anyByte < 127 ) |
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| 130 | return isalpha( anyByte ); |
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| 131 | else |
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| 132 | return 1; // What else to do? The unicode set is huge...get the english ones right. |
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| 133 | // } |
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| 134 | // else |
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| 135 | // { |
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| 136 | // return isalpha( anyByte ); |
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| 137 | // } |
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| 138 | } |
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| 139 | |
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| 140 | |
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| 141 | /*static*/ int TiXmlBase::IsAlphaNum( unsigned char anyByte, TiXmlEncoding /*encoding*/ ) |
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| 142 | { |
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| 143 | // This will only work for low-ascii, everything else is assumed to be a valid |
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| 144 | // letter. I'm not sure this is the best approach, but it is quite tricky trying |
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| 145 | // to figure out alhabetical vs. not across encoding. So take a very |
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| 146 | // conservative approach. |
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| 147 | |
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| 148 | // if ( encoding == TIXML_ENCODING_UTF8 ) |
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| 149 | // { |
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| 150 | if ( anyByte < 127 ) |
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| 151 | return isalnum( anyByte ); |
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| 152 | else |
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| 153 | return 1; // What else to do? The unicode set is huge...get the english ones right. |
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| 154 | // } |
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| 155 | // else |
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| 156 | // { |
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| 157 | // return isalnum( anyByte ); |
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| 158 | // } |
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| 159 | } |
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| 160 | |
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| 161 | |
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| 162 | class TiXmlParsingData |
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| 163 | { |
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| 164 | friend class TiXmlDocument; |
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| 165 | public: |
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| 166 | void Stamp( const char* now, TiXmlEncoding encoding ); |
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| 167 | |
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| 168 | const TiXmlCursor& Cursor() { return cursor; } |
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| 169 | |
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| 170 | private: |
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| 171 | // Only used by the document! |
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| 172 | TiXmlParsingData( const char* start, int _tabsize, int row, int col ) |
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| 173 | { |
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| 174 | assert( start ); |
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| 175 | stamp = start; |
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| 176 | tabsize = _tabsize; |
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| 177 | cursor.row = row; |
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| 178 | cursor.col = col; |
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| 179 | } |
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| 180 | |
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| 181 | TiXmlCursor cursor; |
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| 182 | const char* stamp; |
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| 183 | int tabsize; |
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| 184 | }; |
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| 185 | |
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| 186 | |
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| 187 | void TiXmlParsingData::Stamp( const char* now, TiXmlEncoding encoding ) |
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| 188 | { |
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| 189 | assert( now ); |
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| 190 | |
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| 191 | // Do nothing if the tabsize is 0. |
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| 192 | if ( tabsize < 1 ) |
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| 193 | { |
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| 194 | return; |
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| 195 | } |
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| 196 | |
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| 197 | // Get the current row, column. |
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| 198 | int row = cursor.row; |
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| 199 | int col = cursor.col; |
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| 200 | const char* p = stamp; |
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| 201 | assert( p ); |
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| 202 | |
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| 203 | while ( p < now ) |
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| 204 | { |
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| 205 | // Treat p as unsigned, so we have a happy compiler. |
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| 206 | const unsigned char* pU = (const unsigned char*)p; |
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| 207 | |
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| 208 | // Code contributed by Fletcher Dunn: (modified by lee) |
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| 209 | switch (*pU) { |
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| 210 | case 0: |
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| 211 | // We *should* never get here, but in case we do, don't |
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| 212 | // advance past the terminating null character, ever |
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| 213 | return; |
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| 214 | |
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| 215 | case '\r': |
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| 216 | // bump down to the next line |
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| 217 | ++row; |
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| 218 | col = 0; |
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| 219 | // Eat the character |
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| 220 | ++p; |
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| 221 | |
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| 222 | // Check for \r\n sequence, and treat this as a single character |
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| 223 | if (*p == '\n') { |
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| 224 | ++p; |
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| 225 | } |
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| 226 | break; |
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| 227 | |
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| 228 | case '\n': |
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| 229 | // bump down to the next line |
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| 230 | ++row; |
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| 231 | col = 0; |
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| 232 | |
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| 233 | // Eat the character |
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| 234 | ++p; |
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| 235 | |
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| 236 | // Check for \n\r sequence, and treat this as a single |
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| 237 | // character. (Yes, this bizarre thing does occur still |
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| 238 | // on some arcane platforms...) |
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| 239 | if (*p == '\r') { |
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| 240 | ++p; |
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| 241 | } |
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| 242 | break; |
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| 243 | |
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| 244 | case '\t': |
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| 245 | // Eat the character |
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| 246 | ++p; |
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| 247 | |
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| 248 | // Skip to next tab stop |
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| 249 | col = (col / tabsize + 1) * tabsize; |
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| 250 | break; |
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| 251 | |
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| 252 | case TIXML_UTF_LEAD_0: |
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| 253 | if ( encoding == TIXML_ENCODING_UTF8 ) |
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| 254 | { |
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| 255 | if ( *(p+1) && *(p+2) ) |
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| 256 | { |
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| 257 | // In these cases, don't advance the column. These are |
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| 258 | // 0-width spaces. |
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| 259 | if ( *(pU+1)==TIXML_UTF_LEAD_1 && *(pU+2)==TIXML_UTF_LEAD_2 ) |
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| 260 | p += 3; |
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| 261 | else if ( *(pU+1)==0xbfU && *(pU+2)==0xbeU ) |
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| 262 | p += 3; |
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| 263 | else if ( *(pU+1)==0xbfU && *(pU+2)==0xbfU ) |
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| 264 | p += 3; |
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| 265 | else |
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| 266 | { p +=3; ++col; } // A normal character. |
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| 267 | } |
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| 268 | } |
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| 269 | else |
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| 270 | { |
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| 271 | ++p; |
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| 272 | ++col; |
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| 273 | } |
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| 274 | break; |
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| 275 | |
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| 276 | default: |
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| 277 | if ( encoding == TIXML_ENCODING_UTF8 ) |
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| 278 | { |
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| 279 | // Eat the 1 to 4 byte utf8 character. |
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| 280 | int step = TiXmlBase::utf8ByteTable[*((unsigned char*)p)]; |
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| 281 | if ( step == 0 ) |
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| 282 | step = 1; // Error case from bad encoding, but handle gracefully. |
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| 283 | p += step; |
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| 284 | |
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| 285 | // Just advance one column, of course. |
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| 286 | ++col; |
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| 287 | } |
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| 288 | else |
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| 289 | { |
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| 290 | ++p; |
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| 291 | ++col; |
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| 292 | } |
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| 293 | break; |
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| 294 | } |
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| 295 | } |
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| 296 | cursor.row = row; |
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| 297 | cursor.col = col; |
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| 298 | assert( cursor.row >= -1 ); |
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| 299 | assert( cursor.col >= -1 ); |
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| 300 | stamp = p; |
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| 301 | assert( stamp ); |
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| 302 | } |
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| 303 | |
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| 304 | |
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| 305 | const char* TiXmlBase::SkipWhiteSpace( const char* p, TiXmlEncoding encoding ) |
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| 306 | { |
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| 307 | if ( !p || !*p ) |
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| 308 | { |
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| 309 | return 0; |
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| 310 | } |
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| 311 | if ( encoding == TIXML_ENCODING_UTF8 ) |
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| 312 | { |
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| 313 | while ( *p ) |
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| 314 | { |
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| 315 | const unsigned char* pU = (const unsigned char*)p; |
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| 316 | |
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| 317 | // Skip the stupid Microsoft UTF-8 Byte order marks |
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| 318 | if ( *(pU+0)==TIXML_UTF_LEAD_0 |
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| 319 | && *(pU+1)==TIXML_UTF_LEAD_1 |
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| 320 | && *(pU+2)==TIXML_UTF_LEAD_2 ) |
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| 321 | { |
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| 322 | p += 3; |
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| 323 | continue; |
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| 324 | } |
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| 325 | else if(*(pU+0)==TIXML_UTF_LEAD_0 |
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| 326 | && *(pU+1)==0xbfU |
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| 327 | && *(pU+2)==0xbeU ) |
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| 328 | { |
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| 329 | p += 3; |
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| 330 | continue; |
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| 331 | } |
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| 332 | else if(*(pU+0)==TIXML_UTF_LEAD_0 |
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| 333 | && *(pU+1)==0xbfU |
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| 334 | && *(pU+2)==0xbfU ) |
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| 335 | { |
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| 336 | p += 3; |
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| 337 | continue; |
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| 338 | } |
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| 339 | |
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| 340 | if ( IsWhiteSpace( *p ) || *p == '\n' || *p =='\r' ) // Still using old rules for white space. |
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| 341 | ++p; |
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| 342 | else |
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| 343 | break; |
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| 344 | } |
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| 345 | } |
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| 346 | else |
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| 347 | { |
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| 348 | while ( *p && IsWhiteSpace( *p ) || *p == '\n' || *p =='\r' ) |
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| 349 | ++p; |
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| 350 | } |
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| 351 | |
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| 352 | return p; |
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| 353 | } |
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| 354 | |
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| 355 | #ifdef TIXML_USE_STL |
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| 356 | /*static*/ bool TiXmlBase::StreamWhiteSpace( TIXML_ISTREAM * in, TIXML_STRING * tag ) |
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| 357 | { |
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| 358 | for( ;; ) |
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| 359 | { |
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| 360 | if ( !in->good() ) return false; |
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| 361 | |
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| 362 | int c = in->peek(); |
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| 363 | // At this scope, we can't get to a document. So fail silently. |
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| 364 | if ( !IsWhiteSpace( c ) || c <= 0 ) |
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| 365 | return true; |
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| 366 | |
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| 367 | *tag += (char) in->get(); |
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| 368 | } |
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| 369 | } |
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| 370 | |
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| 371 | /*static*/ bool TiXmlBase::StreamTo( TIXML_ISTREAM * in, int character, TIXML_STRING * tag ) |
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| 372 | { |
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| 373 | //assert( character > 0 && character < 128 ); // else it won't work in utf-8 |
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| 374 | while ( in->good() ) |
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| 375 | { |
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| 376 | int c = in->peek(); |
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| 377 | if ( c == character ) |
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| 378 | return true; |
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| 379 | if ( c <= 0 ) // Silent failure: can't get document at this scope |
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| 380 | return false; |
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| 381 | |
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| 382 | in->get(); |
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| 383 | *tag += (char) c; |
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| 384 | } |
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| 385 | return false; |
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| 386 | } |
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| 387 | #endif |
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| 388 | |
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| 389 | const char* TiXmlBase::ReadName( const char* p, TIXML_STRING * name, TiXmlEncoding encoding ) |
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| 390 | { |
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| 391 | *name = ""; |
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| 392 | assert( p ); |
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| 393 | |
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| 394 | // Names start with letters or underscores. |
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| 395 | // Of course, in unicode, tinyxml has no idea what a letter *is*. The |
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| 396 | // algorithm is generous. |
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| 397 | // |
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| 398 | // After that, they can be letters, underscores, numbers, |
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| 399 | // hyphens, or colons. (Colons are valid ony for namespaces, |
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| 400 | // but tinyxml can't tell namespaces from names.) |
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| 401 | if ( p && *p |
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| 402 | && ( IsAlpha( (unsigned char) *p, encoding ) || *p == '_' ) ) |
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| 403 | { |
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| 404 | while( p && *p |
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| 405 | && ( IsAlphaNum( (unsigned char ) *p, encoding ) |
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| 406 | || *p == '_' |
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| 407 | || *p == '-' |
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| 408 | || *p == '.' |
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| 409 | || *p == ':' ) ) |
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| 410 | { |
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| 411 | (*name) += *p; |
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| 412 | ++p; |
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| 413 | } |
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| 414 | return p; |
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| 415 | } |
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| 416 | return 0; |
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| 417 | } |
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| 418 | |
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| 419 | const char* TiXmlBase::GetEntity( const char* p, char* value, int* length, TiXmlEncoding encoding ) |
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| 420 | { |
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| 421 | // Presume an entity, and pull it out. |
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| 422 | TIXML_STRING ent; |
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| 423 | int i; |
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| 424 | *length = 0; |
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| 425 | |
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| 426 | if ( *(p+1) && *(p+1) == '#' && *(p+2) ) |
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| 427 | { |
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| 428 | unsigned long ucs = 0; |
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| 429 | ptrdiff_t delta = 0; |
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| 430 | unsigned mult = 1; |
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| 431 | |
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| 432 | if ( *(p+2) == 'x' ) |
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| 433 | { |
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| 434 | // Hexadecimal. |
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| 435 | if ( !*(p+3) ) return 0; |
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| 436 | |
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| 437 | const char* q = p+3; |
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| 438 | q = strchr( q, ';' ); |
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| 439 | |
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| 440 | if ( !q || !*q ) return 0; |
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| 441 | |
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| 442 | delta = q-p; |
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| 443 | --q; |
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| 444 | |
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| 445 | while ( *q != 'x' ) |
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| 446 | { |
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| 447 | if ( *q >= '0' && *q <= '9' ) |
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| 448 | ucs += mult * (*q - '0'); |
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| 449 | else if ( *q >= 'a' && *q <= 'f' ) |
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| 450 | ucs += mult * (*q - 'a' + 10); |
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| 451 | else if ( *q >= 'A' && *q <= 'F' ) |
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| 452 | ucs += mult * (*q - 'A' + 10 ); |
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| 453 | else |
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| 454 | return 0; |
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| 455 | mult *= 16; |
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| 456 | --q; |
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| 457 | } |
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| 458 | } |
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| 459 | else |
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| 460 | { |
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| 461 | // Decimal. |
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| 462 | if ( !*(p+2) ) return 0; |
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| 463 | |
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| 464 | const char* q = p+2; |
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| 465 | q = strchr( q, ';' ); |
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| 466 | |
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| 467 | if ( !q || !*q ) return 0; |
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| 468 | |
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| 469 | delta = q-p; |
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| 470 | --q; |
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| 471 | |
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| 472 | while ( *q != '#' ) |
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| 473 | { |
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| 474 | if ( *q >= '0' && *q <= '9' ) |
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| 475 | ucs += mult * (*q - '0'); |
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| 476 | else |
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| 477 | return 0; |
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| 478 | mult *= 10; |
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| 479 | --q; |
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| 480 | } |
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| 481 | } |
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| 482 | if ( encoding == TIXML_ENCODING_UTF8 ) |
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| 483 | { |
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| 484 | // convert the UCS to UTF-8 |
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| 485 | ConvertUTF32ToUTF8( ucs, value, length ); |
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| 486 | } |
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| 487 | else |
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| 488 | { |
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| 489 | *value = (char)ucs; |
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| 490 | *length = 1; |
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| 491 | } |
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| 492 | return p + delta + 1; |
---|
| 493 | } |
---|
| 494 | |
---|
| 495 | // Now try to match it. |
---|
| 496 | for( i=0; i<NUM_ENTITY; ++i ) |
---|
| 497 | { |
---|
| 498 | if ( strncmp( entity[i].str, p, entity[i].strLength ) == 0 ) |
---|
| 499 | { |
---|
| 500 | assert( strlen( entity[i].str ) == entity[i].strLength ); |
---|
| 501 | *value = entity[i].chr; |
---|
| 502 | *length = 1; |
---|
| 503 | return ( p + entity[i].strLength ); |
---|
| 504 | } |
---|
| 505 | } |
---|
| 506 | |
---|
| 507 | // So it wasn't an entity, its unrecognized, or something like that. |
---|
| 508 | *value = *p; // Don't put back the last one, since we return it! |
---|
| 509 | return p+1; |
---|
| 510 | } |
---|
| 511 | |
---|
| 512 | |
---|
| 513 | bool TiXmlBase::StringEqual( const char* p, |
---|
| 514 | const char* tag, |
---|
| 515 | bool ignoreCase, |
---|
| 516 | TiXmlEncoding encoding ) |
---|
| 517 | { |
---|
| 518 | assert( p ); |
---|
| 519 | assert( tag ); |
---|
| 520 | if ( !p || !*p ) |
---|
| 521 | { |
---|
| 522 | assert( 0 ); |
---|
| 523 | return false; |
---|
| 524 | } |
---|
| 525 | |
---|
| 526 | const char* q = p; |
---|
| 527 | |
---|
| 528 | if ( ignoreCase ) |
---|
| 529 | { |
---|
| 530 | while ( *q && *tag && ToLower( *q, encoding ) == ToLower( *tag, encoding ) ) |
---|
| 531 | { |
---|
| 532 | ++q; |
---|
| 533 | ++tag; |
---|
| 534 | } |
---|
| 535 | |
---|
| 536 | if ( *tag == 0 ) |
---|
| 537 | return true; |
---|
| 538 | } |
---|
| 539 | else |
---|
| 540 | { |
---|
| 541 | while ( *q && *tag && *q == *tag ) |
---|
| 542 | { |
---|
| 543 | ++q; |
---|
| 544 | ++tag; |
---|
| 545 | } |
---|
| 546 | |
---|
| 547 | if ( *tag == 0 ) // Have we found the end of the tag, and everything equal? |
---|
| 548 | return true; |
---|
| 549 | } |
---|
| 550 | return false; |
---|
| 551 | } |
---|
| 552 | |
---|
| 553 | const char* TiXmlBase::ReadText( const char* p, |
---|
| 554 | TIXML_STRING * text, |
---|
| 555 | bool trimWhiteSpace, |
---|
| 556 | const char* endTag, |
---|
| 557 | bool caseInsensitive, |
---|
| 558 | TiXmlEncoding encoding ) |
---|
| 559 | { |
---|
| 560 | *text = ""; |
---|
| 561 | if ( !trimWhiteSpace // certain tags always keep whitespace |
---|
| 562 | || !condenseWhiteSpace ) // if true, whitespace is always kept |
---|
| 563 | { |
---|
| 564 | // Keep all the white space. |
---|
| 565 | while ( p && *p |
---|
| 566 | && !StringEqual( p, endTag, caseInsensitive, encoding ) |
---|
| 567 | ) |
---|
| 568 | { |
---|
| 569 | int len; |
---|
| 570 | char cArr[4] = { 0, 0, 0, 0 }; |
---|
| 571 | p = GetChar( p, cArr, &len, encoding ); |
---|
| 572 | text->append( cArr, len ); |
---|
| 573 | } |
---|
| 574 | } |
---|
| 575 | else |
---|
| 576 | { |
---|
| 577 | bool whitespace = false; |
---|
| 578 | |
---|
| 579 | // Remove leading white space: |
---|
| 580 | p = SkipWhiteSpace( p, encoding ); |
---|
| 581 | while ( p && *p |
---|
| 582 | && !StringEqual( p, endTag, caseInsensitive, encoding ) ) |
---|
| 583 | { |
---|
| 584 | if ( *p == '\r' || *p == '\n' ) |
---|
| 585 | { |
---|
| 586 | whitespace = true; |
---|
| 587 | ++p; |
---|
| 588 | } |
---|
| 589 | else if ( IsWhiteSpace( *p ) ) |
---|
| 590 | { |
---|
| 591 | whitespace = true; |
---|
| 592 | ++p; |
---|
| 593 | } |
---|
| 594 | else |
---|
| 595 | { |
---|
| 596 | // If we've found whitespace, add it before the |
---|
| 597 | // new character. Any whitespace just becomes a space. |
---|
| 598 | if ( whitespace ) |
---|
| 599 | { |
---|
| 600 | (*text) += ' '; |
---|
| 601 | whitespace = false; |
---|
| 602 | } |
---|
| 603 | int len; |
---|
| 604 | char cArr[4] = { 0, 0, 0, 0 }; |
---|
| 605 | p = GetChar( p, cArr, &len, encoding ); |
---|
| 606 | if ( len == 1 ) |
---|
| 607 | (*text) += cArr[0]; // more efficient |
---|
| 608 | else |
---|
| 609 | text->append( cArr, len ); |
---|
| 610 | } |
---|
| 611 | } |
---|
| 612 | } |
---|
| 613 | return p + strlen( endTag ); |
---|
| 614 | } |
---|
| 615 | |
---|
| 616 | #ifdef TIXML_USE_STL |
---|
| 617 | |
---|
| 618 | void TiXmlDocument::StreamIn( TIXML_ISTREAM * in, TIXML_STRING * tag ) |
---|
| 619 | { |
---|
| 620 | // The basic issue with a document is that we don't know what we're |
---|
| 621 | // streaming. Read something presumed to be a tag (and hope), then |
---|
| 622 | // identify it, and call the appropriate stream method on the tag. |
---|
| 623 | // |
---|
| 624 | // This "pre-streaming" will never read the closing ">" so the |
---|
| 625 | // sub-tag can orient itself. |
---|
| 626 | |
---|
| 627 | if ( !StreamTo( in, '<', tag ) ) |
---|
| 628 | { |
---|
| 629 | SetError( TIXML_ERROR_PARSING_EMPTY, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
| 630 | return; |
---|
| 631 | } |
---|
| 632 | |
---|
| 633 | while ( in->good() ) |
---|
| 634 | { |
---|
| 635 | int tagIndex = (int) tag->length(); |
---|
| 636 | while ( in->good() && in->peek() != '>' ) |
---|
| 637 | { |
---|
| 638 | int c = in->get(); |
---|
| 639 | if ( c <= 0 ) |
---|
| 640 | { |
---|
| 641 | SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
| 642 | break; |
---|
| 643 | } |
---|
| 644 | (*tag) += (char) c; |
---|
| 645 | } |
---|
| 646 | |
---|
| 647 | if ( in->good() ) |
---|
| 648 | { |
---|
| 649 | // We now have something we presume to be a node of |
---|
| 650 | // some sort. Identify it, and call the node to |
---|
| 651 | // continue streaming. |
---|
| 652 | TiXmlNode* node = Identify( tag->c_str() + tagIndex, TIXML_DEFAULT_ENCODING ); |
---|
| 653 | |
---|
| 654 | if ( node ) |
---|
| 655 | { |
---|
| 656 | node->StreamIn( in, tag ); |
---|
| 657 | bool isElement = node->ToElement() != 0; |
---|
| 658 | delete node; |
---|
| 659 | node = 0; |
---|
| 660 | |
---|
| 661 | // If this is the root element, we're done. Parsing will be |
---|
| 662 | // done by the >> operator. |
---|
| 663 | if ( isElement ) |
---|
| 664 | { |
---|
| 665 | return; |
---|
| 666 | } |
---|
| 667 | } |
---|
| 668 | else |
---|
| 669 | { |
---|
| 670 | SetError( TIXML_ERROR, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
| 671 | return; |
---|
| 672 | } |
---|
| 673 | } |
---|
| 674 | } |
---|
| 675 | // We should have returned sooner. |
---|
| 676 | SetError( TIXML_ERROR, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
| 677 | } |
---|
| 678 | |
---|
| 679 | #endif |
---|
| 680 | |
---|
| 681 | const char* TiXmlDocument::Parse( const char* p, TiXmlParsingData* prevData, TiXmlEncoding encoding ) |
---|
| 682 | { |
---|
| 683 | ClearError(); |
---|
| 684 | |
---|
| 685 | // Parse away, at the document level. Since a document |
---|
| 686 | // contains nothing but other tags, most of what happens |
---|
| 687 | // here is skipping white space. |
---|
| 688 | if ( !p || !*p ) |
---|
| 689 | { |
---|
| 690 | SetError( TIXML_ERROR_DOCUMENT_EMPTY, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
| 691 | return 0; |
---|
| 692 | } |
---|
| 693 | |
---|
| 694 | // Note that, for a document, this needs to come |
---|
| 695 | // before the while space skip, so that parsing |
---|
| 696 | // starts from the pointer we are given. |
---|
| 697 | location.Clear(); |
---|
| 698 | if ( prevData ) |
---|
| 699 | { |
---|
| 700 | location.row = prevData->cursor.row; |
---|
| 701 | location.col = prevData->cursor.col; |
---|
| 702 | } |
---|
| 703 | else |
---|
| 704 | { |
---|
| 705 | location.row = 0; |
---|
| 706 | location.col = 0; |
---|
| 707 | } |
---|
| 708 | TiXmlParsingData data( p, TabSize(), location.row, location.col ); |
---|
| 709 | location = data.Cursor(); |
---|
| 710 | |
---|
| 711 | if ( encoding == TIXML_ENCODING_UNKNOWN ) |
---|
| 712 | { |
---|
| 713 | // Check for the Microsoft UTF-8 lead bytes. |
---|
| 714 | const unsigned char* pU = (const unsigned char*)p; |
---|
| 715 | if ( *(pU+0) && *(pU+0) == TIXML_UTF_LEAD_0 |
---|
| 716 | && *(pU+1) && *(pU+1) == TIXML_UTF_LEAD_1 |
---|
| 717 | && *(pU+2) && *(pU+2) == TIXML_UTF_LEAD_2 ) |
---|
| 718 | { |
---|
| 719 | encoding = TIXML_ENCODING_UTF8; |
---|
| 720 | useMicrosoftBOM = true; |
---|
| 721 | } |
---|
| 722 | } |
---|
| 723 | |
---|
| 724 | p = SkipWhiteSpace( p, encoding ); |
---|
| 725 | if ( !p ) |
---|
| 726 | { |
---|
| 727 | SetError( TIXML_ERROR_DOCUMENT_EMPTY, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
| 728 | return 0; |
---|
| 729 | } |
---|
| 730 | |
---|
| 731 | while ( p && *p ) |
---|
| 732 | { |
---|
| 733 | TiXmlNode* node = Identify( p, encoding ); |
---|
| 734 | if ( node ) |
---|
| 735 | { |
---|
| 736 | p = node->Parse( p, &data, encoding ); |
---|
| 737 | LinkEndChild( node ); |
---|
| 738 | } |
---|
| 739 | else |
---|
| 740 | { |
---|
| 741 | break; |
---|
| 742 | } |
---|
| 743 | |
---|
| 744 | // Did we get encoding info? |
---|
| 745 | if ( encoding == TIXML_ENCODING_UNKNOWN |
---|
| 746 | && node->ToDeclaration() ) |
---|
| 747 | { |
---|
| 748 | TiXmlDeclaration* dec = node->ToDeclaration(); |
---|
| 749 | const char* enc = dec->Encoding(); |
---|
| 750 | assert( enc ); |
---|
| 751 | |
---|
| 752 | if ( *enc == 0 ) |
---|
| 753 | encoding = TIXML_ENCODING_UTF8; |
---|
| 754 | else if ( StringEqual( enc, "UTF-8", true, TIXML_ENCODING_UNKNOWN ) ) |
---|
| 755 | encoding = TIXML_ENCODING_UTF8; |
---|
| 756 | else if ( StringEqual( enc, "UTF8", true, TIXML_ENCODING_UNKNOWN ) ) |
---|
| 757 | encoding = TIXML_ENCODING_UTF8; // incorrect, but be nice |
---|
| 758 | else |
---|
| 759 | encoding = TIXML_ENCODING_LEGACY; |
---|
| 760 | } |
---|
| 761 | |
---|
| 762 | p = SkipWhiteSpace( p, encoding ); |
---|
| 763 | } |
---|
| 764 | |
---|
| 765 | // Was this empty? |
---|
| 766 | if ( !firstChild ) { |
---|
| 767 | SetError( TIXML_ERROR_DOCUMENT_EMPTY, 0, 0, encoding ); |
---|
| 768 | return 0; |
---|
| 769 | } |
---|
| 770 | |
---|
| 771 | // All is well. |
---|
| 772 | return p; |
---|
| 773 | } |
---|
| 774 | |
---|
| 775 | void TiXmlDocument::SetError( int err, const char* pError, TiXmlParsingData* data, TiXmlEncoding encoding ) |
---|
| 776 | { |
---|
| 777 | // The first error in a chain is more accurate - don't set again! |
---|
| 778 | if ( error ) |
---|
| 779 | return; |
---|
| 780 | |
---|
| 781 | assert( err > 0 && err < TIXML_ERROR_STRING_COUNT ); |
---|
| 782 | error = true; |
---|
| 783 | errorId = err; |
---|
| 784 | errorDesc = errorString[ errorId ]; |
---|
| 785 | |
---|
| 786 | errorLocation.Clear(); |
---|
| 787 | if ( pError && data ) |
---|
| 788 | { |
---|
| 789 | data->Stamp( pError, encoding ); |
---|
| 790 | errorLocation = data->Cursor(); |
---|
| 791 | } |
---|
| 792 | } |
---|
| 793 | |
---|
| 794 | |
---|
| 795 | TiXmlNode* TiXmlNode::Identify( const char* p, TiXmlEncoding encoding ) |
---|
| 796 | { |
---|
| 797 | TiXmlNode* returnNode = 0; |
---|
| 798 | |
---|
| 799 | p = SkipWhiteSpace( p, encoding ); |
---|
| 800 | if( !p || !*p || *p != '<' ) |
---|
| 801 | { |
---|
| 802 | return 0; |
---|
| 803 | } |
---|
| 804 | |
---|
| 805 | TiXmlDocument* doc = GetDocument(); |
---|
| 806 | p = SkipWhiteSpace( p, encoding ); |
---|
| 807 | |
---|
| 808 | if ( !p || !*p ) |
---|
| 809 | { |
---|
| 810 | return 0; |
---|
| 811 | } |
---|
| 812 | |
---|
| 813 | // What is this thing? |
---|
| 814 | // - Elements start with a letter or underscore, but xml is reserved. |
---|
| 815 | // - Comments: <!-- |
---|
| 816 | // - Decleration: <?xml |
---|
| 817 | // - Everthing else is unknown to tinyxml. |
---|
| 818 | // |
---|
| 819 | |
---|
| 820 | const char* xmlHeader = { "<?xml" }; |
---|
| 821 | const char* commentHeader = { "<!--" }; |
---|
| 822 | const char* dtdHeader = { "<!" }; |
---|
| 823 | const char* cdataHeader = { "<![CDATA[" }; |
---|
| 824 | |
---|
| 825 | if ( StringEqual( p, xmlHeader, true, encoding ) ) |
---|
| 826 | { |
---|
| 827 | #ifdef DEBUG_PARSER |
---|
| 828 | TIXML_LOG( "XML parsing Declaration\n" ); |
---|
| 829 | #endif |
---|
| 830 | returnNode = new TiXmlDeclaration(); |
---|
| 831 | } |
---|
| 832 | else if ( StringEqual( p, commentHeader, false, encoding ) ) |
---|
| 833 | { |
---|
| 834 | #ifdef DEBUG_PARSER |
---|
| 835 | TIXML_LOG( "XML parsing Comment\n" ); |
---|
| 836 | #endif |
---|
| 837 | returnNode = new TiXmlComment(); |
---|
| 838 | } |
---|
| 839 | else if ( StringEqual( p, cdataHeader, false, encoding ) ) |
---|
| 840 | { |
---|
| 841 | #ifdef DEBUG_PARSER |
---|
| 842 | TIXML_LOG( "XML parsing CDATA\n" ); |
---|
| 843 | #endif |
---|
| 844 | TiXmlText* text = new TiXmlText( "" ); |
---|
| 845 | text->SetCDATA( true ); |
---|
| 846 | returnNode = text; |
---|
| 847 | } |
---|
| 848 | else if ( StringEqual( p, dtdHeader, false, encoding ) ) |
---|
| 849 | { |
---|
| 850 | #ifdef DEBUG_PARSER |
---|
| 851 | TIXML_LOG( "XML parsing Unknown(1)\n" ); |
---|
| 852 | #endif |
---|
| 853 | returnNode = new TiXmlUnknown(); |
---|
| 854 | } |
---|
| 855 | else if ( IsAlpha( *(p+1), encoding ) |
---|
| 856 | || *(p+1) == '_' ) |
---|
| 857 | { |
---|
| 858 | #ifdef DEBUG_PARSER |
---|
| 859 | TIXML_LOG( "XML parsing Element\n" ); |
---|
| 860 | #endif |
---|
| 861 | returnNode = new TiXmlElement( "" ); |
---|
| 862 | } |
---|
| 863 | else |
---|
| 864 | { |
---|
| 865 | #ifdef DEBUG_PARSER |
---|
| 866 | TIXML_LOG( "XML parsing Unknown(2)\n" ); |
---|
| 867 | #endif |
---|
| 868 | returnNode = new TiXmlUnknown(); |
---|
| 869 | } |
---|
| 870 | |
---|
| 871 | if ( returnNode ) |
---|
| 872 | { |
---|
| 873 | // Set the parent, so it can report errors |
---|
| 874 | returnNode->parent = this; |
---|
| 875 | } |
---|
| 876 | else |
---|
| 877 | { |
---|
| 878 | if ( doc ) |
---|
| 879 | doc->SetError( TIXML_ERROR_OUT_OF_MEMORY, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
| 880 | } |
---|
| 881 | return returnNode; |
---|
| 882 | } |
---|
| 883 | |
---|
| 884 | #ifdef TIXML_USE_STL |
---|
| 885 | |
---|
| 886 | void TiXmlElement::StreamIn (TIXML_ISTREAM * in, TIXML_STRING * tag) |
---|
| 887 | { |
---|
| 888 | // We're called with some amount of pre-parsing. That is, some of "this" |
---|
| 889 | // element is in "tag". Go ahead and stream to the closing ">" |
---|
| 890 | while( in->good() ) |
---|
| 891 | { |
---|
| 892 | int c = in->get(); |
---|
| 893 | if ( c <= 0 ) |
---|
| 894 | { |
---|
| 895 | TiXmlDocument* document = GetDocument(); |
---|
| 896 | if ( document ) |
---|
| 897 | document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
| 898 | return; |
---|
| 899 | } |
---|
| 900 | (*tag) += (char) c ; |
---|
| 901 | |
---|
| 902 | if ( c == '>' ) |
---|
| 903 | break; |
---|
| 904 | } |
---|
| 905 | |
---|
| 906 | if ( tag->length() < 3 ) return; |
---|
| 907 | |
---|
| 908 | // Okay...if we are a "/>" tag, then we're done. We've read a complete tag. |
---|
| 909 | // If not, identify and stream. |
---|
| 910 | |
---|
| 911 | if ( tag->at( tag->length() - 1 ) == '>' |
---|
| 912 | && tag->at( tag->length() - 2 ) == '/' ) |
---|
| 913 | { |
---|
| 914 | // All good! |
---|
| 915 | return; |
---|
| 916 | } |
---|
| 917 | else if ( tag->at( tag->length() - 1 ) == '>' ) |
---|
| 918 | { |
---|
| 919 | // There is more. Could be: |
---|
| 920 | // text |
---|
| 921 | // closing tag |
---|
| 922 | // another node. |
---|
| 923 | for ( ;; ) |
---|
| 924 | { |
---|
| 925 | StreamWhiteSpace( in, tag ); |
---|
| 926 | |
---|
| 927 | // Do we have text? |
---|
| 928 | if ( in->good() && in->peek() != '<' ) |
---|
| 929 | { |
---|
| 930 | // Yep, text. |
---|
| 931 | TiXmlText text( "" ); |
---|
| 932 | text.StreamIn( in, tag ); |
---|
| 933 | |
---|
| 934 | // What follows text is a closing tag or another node. |
---|
| 935 | // Go around again and figure it out. |
---|
| 936 | continue; |
---|
| 937 | } |
---|
| 938 | |
---|
| 939 | // We now have either a closing tag...or another node. |
---|
| 940 | // We should be at a "<", regardless. |
---|
| 941 | if ( !in->good() ) return; |
---|
| 942 | assert( in->peek() == '<' ); |
---|
| 943 | int tagIndex = (int) tag->length(); |
---|
| 944 | |
---|
| 945 | bool closingTag = false; |
---|
| 946 | bool firstCharFound = false; |
---|
| 947 | |
---|
| 948 | for( ;; ) |
---|
| 949 | { |
---|
| 950 | if ( !in->good() ) |
---|
| 951 | return; |
---|
| 952 | |
---|
| 953 | int c = in->peek(); |
---|
| 954 | if ( c <= 0 ) |
---|
| 955 | { |
---|
| 956 | TiXmlDocument* document = GetDocument(); |
---|
| 957 | if ( document ) |
---|
| 958 | document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
| 959 | return; |
---|
| 960 | } |
---|
| 961 | |
---|
| 962 | if ( c == '>' ) |
---|
| 963 | break; |
---|
| 964 | |
---|
| 965 | *tag += (char) c; |
---|
| 966 | in->get(); |
---|
| 967 | |
---|
| 968 | if ( !firstCharFound && c != '<' && !IsWhiteSpace( c ) ) |
---|
| 969 | { |
---|
| 970 | firstCharFound = true; |
---|
| 971 | if ( c == '/' ) |
---|
| 972 | closingTag = true; |
---|
| 973 | } |
---|
| 974 | } |
---|
| 975 | // If it was a closing tag, then read in the closing '>' to clean up the input stream. |
---|
| 976 | // If it was not, the streaming will be done by the tag. |
---|
| 977 | if ( closingTag ) |
---|
| 978 | { |
---|
| 979 | if ( !in->good() ) |
---|
| 980 | return; |
---|
| 981 | |
---|
| 982 | int c = in->get(); |
---|
| 983 | if ( c <= 0 ) |
---|
| 984 | { |
---|
| 985 | TiXmlDocument* document = GetDocument(); |
---|
| 986 | if ( document ) |
---|
| 987 | document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
| 988 | return; |
---|
| 989 | } |
---|
| 990 | assert( c == '>' ); |
---|
| 991 | *tag += (char) c; |
---|
| 992 | |
---|
| 993 | // We are done, once we've found our closing tag. |
---|
| 994 | return; |
---|
| 995 | } |
---|
| 996 | else |
---|
| 997 | { |
---|
| 998 | // If not a closing tag, id it, and stream. |
---|
| 999 | const char* tagloc = tag->c_str() + tagIndex; |
---|
| 1000 | TiXmlNode* node = Identify( tagloc, TIXML_DEFAULT_ENCODING ); |
---|
| 1001 | if ( !node ) |
---|
| 1002 | return; |
---|
| 1003 | node->StreamIn( in, tag ); |
---|
| 1004 | delete node; |
---|
| 1005 | node = 0; |
---|
| 1006 | |
---|
| 1007 | // No return: go around from the beginning: text, closing tag, or node. |
---|
| 1008 | } |
---|
| 1009 | } |
---|
| 1010 | } |
---|
| 1011 | } |
---|
| 1012 | #endif |
---|
| 1013 | |
---|
| 1014 | const char* TiXmlElement::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) |
---|
| 1015 | { |
---|
| 1016 | p = SkipWhiteSpace( p, encoding ); |
---|
| 1017 | TiXmlDocument* document = GetDocument(); |
---|
| 1018 | |
---|
| 1019 | if ( !p || !*p ) |
---|
| 1020 | { |
---|
| 1021 | if ( document ) document->SetError( TIXML_ERROR_PARSING_ELEMENT, 0, 0, encoding ); |
---|
| 1022 | return 0; |
---|
| 1023 | } |
---|
| 1024 | |
---|
| 1025 | if ( data ) |
---|
| 1026 | { |
---|
| 1027 | data->Stamp( p, encoding ); |
---|
| 1028 | location = data->Cursor(); |
---|
| 1029 | } |
---|
| 1030 | |
---|
| 1031 | if ( *p != '<' ) |
---|
| 1032 | { |
---|
| 1033 | if ( document ) document->SetError( TIXML_ERROR_PARSING_ELEMENT, p, data, encoding ); |
---|
| 1034 | return 0; |
---|
| 1035 | } |
---|
| 1036 | |
---|
| 1037 | p = SkipWhiteSpace( p+1, encoding ); |
---|
| 1038 | |
---|
| 1039 | // Read the name. |
---|
| 1040 | const char* pErr = p; |
---|
| 1041 | |
---|
| 1042 | p = ReadName( p, &value, encoding ); |
---|
| 1043 | if ( !p || !*p ) |
---|
| 1044 | { |
---|
| 1045 | if ( document ) document->SetError( TIXML_ERROR_FAILED_TO_READ_ELEMENT_NAME, pErr, data, encoding ); |
---|
| 1046 | return 0; |
---|
| 1047 | } |
---|
| 1048 | |
---|
| 1049 | TIXML_STRING endTag ("</"); |
---|
| 1050 | endTag += value; |
---|
| 1051 | endTag += ">"; |
---|
| 1052 | |
---|
| 1053 | // Check for and read attributes. Also look for an empty |
---|
| 1054 | // tag or an end tag. |
---|
| 1055 | while ( p && *p ) |
---|
| 1056 | { |
---|
| 1057 | pErr = p; |
---|
| 1058 | p = SkipWhiteSpace( p, encoding ); |
---|
| 1059 | if ( !p || !*p ) |
---|
| 1060 | { |
---|
| 1061 | if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, pErr, data, encoding ); |
---|
| 1062 | return 0; |
---|
| 1063 | } |
---|
| 1064 | if ( *p == '/' ) |
---|
| 1065 | { |
---|
| 1066 | ++p; |
---|
| 1067 | // Empty tag. |
---|
| 1068 | if ( *p != '>' ) |
---|
| 1069 | { |
---|
| 1070 | if ( document ) document->SetError( TIXML_ERROR_PARSING_EMPTY, p, data, encoding ); |
---|
| 1071 | return 0; |
---|
| 1072 | } |
---|
| 1073 | return (p+1); |
---|
| 1074 | } |
---|
| 1075 | else if ( *p == '>' ) |
---|
| 1076 | { |
---|
| 1077 | // Done with attributes (if there were any.) |
---|
| 1078 | // Read the value -- which can include other |
---|
| 1079 | // elements -- read the end tag, and return. |
---|
| 1080 | ++p; |
---|
| 1081 | p = ReadValue( p, data, encoding ); // Note this is an Element method, and will set the error if one happens. |
---|
| 1082 | if ( !p || !*p ) |
---|
| 1083 | return 0; |
---|
| 1084 | |
---|
| 1085 | // We should find the end tag now |
---|
| 1086 | if ( StringEqual( p, endTag.c_str(), false, encoding ) ) |
---|
| 1087 | { |
---|
| 1088 | p += endTag.length(); |
---|
| 1089 | return p; |
---|
| 1090 | } |
---|
| 1091 | else |
---|
| 1092 | { |
---|
| 1093 | if ( document ) document->SetError( TIXML_ERROR_READING_END_TAG, p, data, encoding ); |
---|
| 1094 | return 0; |
---|
| 1095 | } |
---|
| 1096 | } |
---|
| 1097 | else |
---|
| 1098 | { |
---|
| 1099 | // Try to read an attribute: |
---|
| 1100 | TiXmlAttribute* attrib = new TiXmlAttribute(); |
---|
| 1101 | if ( !attrib ) |
---|
| 1102 | { |
---|
| 1103 | if ( document ) document->SetError( TIXML_ERROR_OUT_OF_MEMORY, pErr, data, encoding ); |
---|
| 1104 | return 0; |
---|
| 1105 | } |
---|
| 1106 | |
---|
| 1107 | attrib->SetDocument( document ); |
---|
| 1108 | const char* pErr = p; |
---|
| 1109 | p = attrib->Parse( p, data, encoding ); |
---|
| 1110 | |
---|
| 1111 | if ( !p || !*p ) |
---|
| 1112 | { |
---|
| 1113 | if ( document ) document->SetError( TIXML_ERROR_PARSING_ELEMENT, pErr, data, encoding ); |
---|
| 1114 | delete attrib; |
---|
| 1115 | return 0; |
---|
| 1116 | } |
---|
| 1117 | |
---|
| 1118 | // Handle the strange case of double attributes: |
---|
| 1119 | TiXmlAttribute* node = attributeSet.Find( attrib->Name() ); |
---|
| 1120 | if ( node ) |
---|
| 1121 | { |
---|
| 1122 | node->SetValue( attrib->Value() ); |
---|
| 1123 | delete attrib; |
---|
| 1124 | return 0; |
---|
| 1125 | } |
---|
| 1126 | |
---|
| 1127 | attributeSet.Add( attrib ); |
---|
| 1128 | } |
---|
| 1129 | } |
---|
| 1130 | return p; |
---|
| 1131 | } |
---|
| 1132 | |
---|
| 1133 | |
---|
| 1134 | const char* TiXmlElement::ReadValue( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) |
---|
| 1135 | { |
---|
| 1136 | TiXmlDocument* document = GetDocument(); |
---|
| 1137 | |
---|
| 1138 | // Read in text and elements in any order. |
---|
| 1139 | const char* pWithWhiteSpace = p; |
---|
| 1140 | p = SkipWhiteSpace( p, encoding ); |
---|
| 1141 | |
---|
| 1142 | while ( p && *p ) |
---|
| 1143 | { |
---|
| 1144 | if ( *p != '<' ) |
---|
| 1145 | { |
---|
| 1146 | // Take what we have, make a text element. |
---|
| 1147 | TiXmlText* textNode = new TiXmlText( "" ); |
---|
| 1148 | |
---|
| 1149 | if ( !textNode ) |
---|
| 1150 | { |
---|
| 1151 | if ( document ) document->SetError( TIXML_ERROR_OUT_OF_MEMORY, 0, 0, encoding ); |
---|
| 1152 | return 0; |
---|
| 1153 | } |
---|
| 1154 | |
---|
| 1155 | if ( TiXmlBase::IsWhiteSpaceCondensed() ) |
---|
| 1156 | { |
---|
| 1157 | p = textNode->Parse( p, data, encoding ); |
---|
| 1158 | } |
---|
| 1159 | else |
---|
| 1160 | { |
---|
| 1161 | // Special case: we want to keep the white space |
---|
| 1162 | // so that leading spaces aren't removed. |
---|
| 1163 | p = textNode->Parse( pWithWhiteSpace, data, encoding ); |
---|
| 1164 | } |
---|
| 1165 | |
---|
| 1166 | if ( !textNode->Blank() ) |
---|
| 1167 | LinkEndChild( textNode ); |
---|
| 1168 | else |
---|
| 1169 | delete textNode; |
---|
| 1170 | } |
---|
| 1171 | else |
---|
| 1172 | { |
---|
| 1173 | // We hit a '<' |
---|
| 1174 | // Have we hit a new element or an end tag? This could also be |
---|
| 1175 | // a TiXmlText in the "CDATA" style. |
---|
| 1176 | if ( StringEqual( p, "</", false, encoding ) ) |
---|
| 1177 | { |
---|
| 1178 | return p; |
---|
| 1179 | } |
---|
| 1180 | else |
---|
| 1181 | { |
---|
| 1182 | TiXmlNode* node = Identify( p, encoding ); |
---|
| 1183 | if ( node ) |
---|
| 1184 | { |
---|
| 1185 | p = node->Parse( p, data, encoding ); |
---|
| 1186 | LinkEndChild( node ); |
---|
| 1187 | } |
---|
| 1188 | else |
---|
| 1189 | { |
---|
| 1190 | return 0; |
---|
| 1191 | } |
---|
| 1192 | } |
---|
| 1193 | } |
---|
| 1194 | pWithWhiteSpace = p; |
---|
| 1195 | p = SkipWhiteSpace( p, encoding ); |
---|
| 1196 | } |
---|
| 1197 | |
---|
| 1198 | if ( !p ) |
---|
| 1199 | { |
---|
| 1200 | if ( document ) document->SetError( TIXML_ERROR_READING_ELEMENT_VALUE, 0, 0, encoding ); |
---|
| 1201 | } |
---|
| 1202 | return p; |
---|
| 1203 | } |
---|
| 1204 | |
---|
| 1205 | |
---|
| 1206 | #ifdef TIXML_USE_STL |
---|
| 1207 | void TiXmlUnknown::StreamIn( TIXML_ISTREAM * in, TIXML_STRING * tag ) |
---|
| 1208 | { |
---|
| 1209 | while ( in->good() ) |
---|
| 1210 | { |
---|
| 1211 | int c = in->get(); |
---|
| 1212 | if ( c <= 0 ) |
---|
| 1213 | { |
---|
| 1214 | TiXmlDocument* document = GetDocument(); |
---|
| 1215 | if ( document ) |
---|
| 1216 | document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
| 1217 | return; |
---|
| 1218 | } |
---|
| 1219 | (*tag) += (char) c; |
---|
| 1220 | |
---|
| 1221 | if ( c == '>' ) |
---|
| 1222 | { |
---|
| 1223 | // All is well. |
---|
| 1224 | return; |
---|
| 1225 | } |
---|
| 1226 | } |
---|
| 1227 | } |
---|
| 1228 | #endif |
---|
| 1229 | |
---|
| 1230 | |
---|
| 1231 | const char* TiXmlUnknown::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) |
---|
| 1232 | { |
---|
| 1233 | TiXmlDocument* document = GetDocument(); |
---|
| 1234 | p = SkipWhiteSpace( p, encoding ); |
---|
| 1235 | |
---|
| 1236 | if ( data ) |
---|
| 1237 | { |
---|
| 1238 | data->Stamp( p, encoding ); |
---|
| 1239 | location = data->Cursor(); |
---|
| 1240 | } |
---|
| 1241 | if ( !p || !*p || *p != '<' ) |
---|
| 1242 | { |
---|
| 1243 | if ( document ) document->SetError( TIXML_ERROR_PARSING_UNKNOWN, p, data, encoding ); |
---|
| 1244 | return 0; |
---|
| 1245 | } |
---|
| 1246 | ++p; |
---|
| 1247 | value = ""; |
---|
| 1248 | |
---|
| 1249 | while ( p && *p && *p != '>' ) |
---|
| 1250 | { |
---|
| 1251 | value += *p; |
---|
| 1252 | ++p; |
---|
| 1253 | } |
---|
| 1254 | |
---|
| 1255 | if ( !p ) |
---|
| 1256 | { |
---|
| 1257 | if ( document ) document->SetError( TIXML_ERROR_PARSING_UNKNOWN, 0, 0, encoding ); |
---|
| 1258 | } |
---|
| 1259 | if ( *p == '>' ) |
---|
| 1260 | return p+1; |
---|
| 1261 | return p; |
---|
| 1262 | } |
---|
| 1263 | |
---|
| 1264 | #ifdef TIXML_USE_STL |
---|
| 1265 | void TiXmlComment::StreamIn( TIXML_ISTREAM * in, TIXML_STRING * tag ) |
---|
| 1266 | { |
---|
| 1267 | while ( in->good() ) |
---|
| 1268 | { |
---|
| 1269 | int c = in->get(); |
---|
| 1270 | if ( c <= 0 ) |
---|
| 1271 | { |
---|
| 1272 | TiXmlDocument* document = GetDocument(); |
---|
| 1273 | if ( document ) |
---|
| 1274 | document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
| 1275 | return; |
---|
| 1276 | } |
---|
| 1277 | |
---|
| 1278 | (*tag) += (char) c; |
---|
| 1279 | |
---|
| 1280 | if ( c == '>' |
---|
| 1281 | && tag->at( tag->length() - 2 ) == '-' |
---|
| 1282 | && tag->at( tag->length() - 3 ) == '-' ) |
---|
| 1283 | { |
---|
| 1284 | // All is well. |
---|
| 1285 | return; |
---|
| 1286 | } |
---|
| 1287 | } |
---|
| 1288 | } |
---|
| 1289 | #endif |
---|
| 1290 | |
---|
| 1291 | |
---|
| 1292 | const char* TiXmlComment::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) |
---|
| 1293 | { |
---|
| 1294 | TiXmlDocument* document = GetDocument(); |
---|
| 1295 | value = ""; |
---|
| 1296 | |
---|
| 1297 | p = SkipWhiteSpace( p, encoding ); |
---|
| 1298 | |
---|
| 1299 | if ( data ) |
---|
| 1300 | { |
---|
| 1301 | data->Stamp( p, encoding ); |
---|
| 1302 | location = data->Cursor(); |
---|
| 1303 | } |
---|
| 1304 | const char* startTag = "<!--"; |
---|
| 1305 | const char* endTag = "-->"; |
---|
| 1306 | |
---|
| 1307 | if ( !StringEqual( p, startTag, false, encoding ) ) |
---|
| 1308 | { |
---|
| 1309 | document->SetError( TIXML_ERROR_PARSING_COMMENT, p, data, encoding ); |
---|
| 1310 | return 0; |
---|
| 1311 | } |
---|
| 1312 | p += strlen( startTag ); |
---|
| 1313 | p = ReadText( p, &value, false, endTag, false, encoding ); |
---|
| 1314 | return p; |
---|
| 1315 | } |
---|
| 1316 | |
---|
| 1317 | |
---|
| 1318 | const char* TiXmlAttribute::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) |
---|
| 1319 | { |
---|
| 1320 | p = SkipWhiteSpace( p, encoding ); |
---|
| 1321 | if ( !p || !*p ) return 0; |
---|
| 1322 | |
---|
| 1323 | int tabsize = 4; |
---|
| 1324 | if ( document ) |
---|
| 1325 | tabsize = document->TabSize(); |
---|
| 1326 | |
---|
| 1327 | if ( data ) |
---|
| 1328 | { |
---|
| 1329 | data->Stamp( p, encoding ); |
---|
| 1330 | location = data->Cursor(); |
---|
| 1331 | } |
---|
| 1332 | // Read the name, the '=' and the value. |
---|
| 1333 | const char* pErr = p; |
---|
| 1334 | p = ReadName( p, &name, encoding ); |
---|
| 1335 | if ( !p || !*p ) |
---|
| 1336 | { |
---|
| 1337 | if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, pErr, data, encoding ); |
---|
| 1338 | return 0; |
---|
| 1339 | } |
---|
| 1340 | p = SkipWhiteSpace( p, encoding ); |
---|
| 1341 | if ( !p || !*p || *p != '=' ) |
---|
| 1342 | { |
---|
| 1343 | if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, p, data, encoding ); |
---|
| 1344 | return 0; |
---|
| 1345 | } |
---|
| 1346 | |
---|
| 1347 | ++p; // skip '=' |
---|
| 1348 | p = SkipWhiteSpace( p, encoding ); |
---|
| 1349 | if ( !p || !*p ) |
---|
| 1350 | { |
---|
| 1351 | if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, p, data, encoding ); |
---|
| 1352 | return 0; |
---|
| 1353 | } |
---|
| 1354 | |
---|
| 1355 | const char* end; |
---|
| 1356 | |
---|
| 1357 | if ( *p == '\'' ) |
---|
| 1358 | { |
---|
| 1359 | ++p; |
---|
| 1360 | end = "\'"; |
---|
| 1361 | p = ReadText( p, &value, false, end, false, encoding ); |
---|
| 1362 | } |
---|
| 1363 | else if ( *p == '"' ) |
---|
| 1364 | { |
---|
| 1365 | ++p; |
---|
| 1366 | end = "\""; |
---|
| 1367 | p = ReadText( p, &value, false, end, false, encoding ); |
---|
| 1368 | } |
---|
| 1369 | else |
---|
| 1370 | { |
---|
| 1371 | // All attribute values should be in single or double quotes. |
---|
| 1372 | // But this is such a common error that the parser will try |
---|
| 1373 | // its best, even without them. |
---|
| 1374 | value = ""; |
---|
| 1375 | while ( p && *p // existence |
---|
| 1376 | && !IsWhiteSpace( *p ) && *p != '\n' && *p != '\r' // whitespace |
---|
| 1377 | && *p != '/' && *p != '>' ) // tag end |
---|
| 1378 | { |
---|
| 1379 | value += *p; |
---|
| 1380 | ++p; |
---|
| 1381 | } |
---|
| 1382 | } |
---|
| 1383 | return p; |
---|
| 1384 | } |
---|
| 1385 | |
---|
| 1386 | #ifdef TIXML_USE_STL |
---|
| 1387 | void TiXmlText::StreamIn( TIXML_ISTREAM * in, TIXML_STRING * tag ) |
---|
| 1388 | { |
---|
| 1389 | if ( cdata ) |
---|
| 1390 | { |
---|
| 1391 | int c = in->get(); |
---|
| 1392 | if ( c <= 0 ) |
---|
| 1393 | { |
---|
| 1394 | TiXmlDocument* document = GetDocument(); |
---|
| 1395 | if ( document ) |
---|
| 1396 | document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
| 1397 | return; |
---|
| 1398 | } |
---|
| 1399 | |
---|
| 1400 | (*tag) += (char) c; |
---|
| 1401 | |
---|
| 1402 | if ( c == '>' |
---|
| 1403 | && tag->at( tag->length() - 2 ) == ']' |
---|
| 1404 | && tag->at( tag->length() - 3 ) == ']' ) |
---|
| 1405 | { |
---|
| 1406 | // All is well. |
---|
| 1407 | return; |
---|
| 1408 | } |
---|
| 1409 | } |
---|
| 1410 | else |
---|
| 1411 | { |
---|
| 1412 | while ( in->good() ) |
---|
| 1413 | { |
---|
| 1414 | int c = in->peek(); |
---|
| 1415 | if ( c == '<' ) |
---|
| 1416 | return; |
---|
| 1417 | if ( c <= 0 ) |
---|
| 1418 | { |
---|
| 1419 | TiXmlDocument* document = GetDocument(); |
---|
| 1420 | if ( document ) |
---|
| 1421 | document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
| 1422 | return; |
---|
| 1423 | } |
---|
| 1424 | |
---|
| 1425 | (*tag) += (char) c; |
---|
| 1426 | in->get(); |
---|
| 1427 | } |
---|
| 1428 | } |
---|
| 1429 | } |
---|
| 1430 | #endif |
---|
| 1431 | |
---|
| 1432 | const char* TiXmlText::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) |
---|
| 1433 | { |
---|
| 1434 | value = ""; |
---|
| 1435 | TiXmlDocument* document = GetDocument(); |
---|
| 1436 | |
---|
| 1437 | if ( data ) |
---|
| 1438 | { |
---|
| 1439 | data->Stamp( p, encoding ); |
---|
| 1440 | location = data->Cursor(); |
---|
| 1441 | } |
---|
| 1442 | |
---|
| 1443 | const char* const startTag = "<![CDATA["; |
---|
| 1444 | const char* const endTag = "]]>"; |
---|
| 1445 | |
---|
| 1446 | if ( cdata || StringEqual( p, startTag, false, encoding ) ) |
---|
| 1447 | { |
---|
| 1448 | cdata = true; |
---|
| 1449 | |
---|
| 1450 | if ( !StringEqual( p, startTag, false, encoding ) ) |
---|
| 1451 | { |
---|
| 1452 | document->SetError( TIXML_ERROR_PARSING_CDATA, p, data, encoding ); |
---|
| 1453 | return 0; |
---|
| 1454 | } |
---|
| 1455 | p += strlen( startTag ); |
---|
| 1456 | |
---|
| 1457 | // Keep all the white space, ignore the encoding, etc. |
---|
| 1458 | while ( p && *p |
---|
| 1459 | && !StringEqual( p, endTag, false, encoding ) |
---|
| 1460 | ) |
---|
| 1461 | { |
---|
| 1462 | value += *p; |
---|
| 1463 | ++p; |
---|
| 1464 | } |
---|
| 1465 | |
---|
| 1466 | TIXML_STRING dummy; |
---|
| 1467 | p = ReadText( p, &dummy, false, endTag, false, encoding ); |
---|
| 1468 | return p; |
---|
| 1469 | } |
---|
| 1470 | else |
---|
| 1471 | { |
---|
| 1472 | bool ignoreWhite = true; |
---|
| 1473 | |
---|
| 1474 | const char* end = "<"; |
---|
| 1475 | p = ReadText( p, &value, ignoreWhite, end, false, encoding ); |
---|
| 1476 | if ( p ) |
---|
| 1477 | return p-1; // don't truncate the '<' |
---|
| 1478 | return 0; |
---|
| 1479 | } |
---|
| 1480 | } |
---|
| 1481 | |
---|
| 1482 | #ifdef TIXML_USE_STL |
---|
| 1483 | void TiXmlDeclaration::StreamIn( TIXML_ISTREAM * in, TIXML_STRING * tag ) |
---|
| 1484 | { |
---|
| 1485 | while ( in->good() ) |
---|
| 1486 | { |
---|
| 1487 | int c = in->get(); |
---|
| 1488 | if ( c <= 0 ) |
---|
| 1489 | { |
---|
| 1490 | TiXmlDocument* document = GetDocument(); |
---|
| 1491 | if ( document ) |
---|
| 1492 | document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
| 1493 | return; |
---|
| 1494 | } |
---|
| 1495 | (*tag) += (char) c; |
---|
| 1496 | |
---|
| 1497 | if ( c == '>' ) |
---|
| 1498 | { |
---|
| 1499 | // All is well. |
---|
| 1500 | return; |
---|
| 1501 | } |
---|
| 1502 | } |
---|
| 1503 | } |
---|
| 1504 | #endif |
---|
| 1505 | |
---|
| 1506 | const char* TiXmlDeclaration::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding _encoding ) |
---|
| 1507 | { |
---|
| 1508 | p = SkipWhiteSpace( p, _encoding ); |
---|
| 1509 | // Find the beginning, find the end, and look for |
---|
| 1510 | // the stuff in-between. |
---|
| 1511 | TiXmlDocument* document = GetDocument(); |
---|
| 1512 | if ( !p || !*p || !StringEqual( p, "<?xml", true, _encoding ) ) |
---|
| 1513 | { |
---|
| 1514 | if ( document ) document->SetError( TIXML_ERROR_PARSING_DECLARATION, 0, 0, _encoding ); |
---|
| 1515 | return 0; |
---|
| 1516 | } |
---|
| 1517 | if ( data ) |
---|
| 1518 | { |
---|
| 1519 | data->Stamp( p, _encoding ); |
---|
| 1520 | location = data->Cursor(); |
---|
| 1521 | } |
---|
| 1522 | p += 5; |
---|
| 1523 | |
---|
| 1524 | version = ""; |
---|
| 1525 | encoding = ""; |
---|
| 1526 | standalone = ""; |
---|
| 1527 | |
---|
| 1528 | while ( p && *p ) |
---|
| 1529 | { |
---|
| 1530 | if ( *p == '>' ) |
---|
| 1531 | { |
---|
| 1532 | ++p; |
---|
| 1533 | return p; |
---|
| 1534 | } |
---|
| 1535 | |
---|
| 1536 | p = SkipWhiteSpace( p, _encoding ); |
---|
| 1537 | if ( StringEqual( p, "version", true, _encoding ) ) |
---|
| 1538 | { |
---|
| 1539 | TiXmlAttribute attrib; |
---|
| 1540 | p = attrib.Parse( p, data, _encoding ); |
---|
| 1541 | version = attrib.Value(); |
---|
| 1542 | } |
---|
| 1543 | else if ( StringEqual( p, "encoding", true, _encoding ) ) |
---|
| 1544 | { |
---|
| 1545 | TiXmlAttribute attrib; |
---|
| 1546 | p = attrib.Parse( p, data, _encoding ); |
---|
| 1547 | encoding = attrib.Value(); |
---|
| 1548 | } |
---|
| 1549 | else if ( StringEqual( p, "standalone", true, _encoding ) ) |
---|
| 1550 | { |
---|
| 1551 | TiXmlAttribute attrib; |
---|
| 1552 | p = attrib.Parse( p, data, _encoding ); |
---|
| 1553 | standalone = attrib.Value(); |
---|
| 1554 | } |
---|
| 1555 | else |
---|
| 1556 | { |
---|
| 1557 | // Read over whatever it is. |
---|
| 1558 | while( p && *p && *p != '>' && !IsWhiteSpace( *p ) ) |
---|
| 1559 | ++p; |
---|
| 1560 | } |
---|
| 1561 | } |
---|
| 1562 | return 0; |
---|
| 1563 | } |
---|
| 1564 | |
---|
| 1565 | bool TiXmlText::Blank() const |
---|
| 1566 | { |
---|
| 1567 | for ( unsigned i=0; i<value.length(); i++ ) |
---|
| 1568 | if ( !IsWhiteSpace( value[i] ) ) |
---|
| 1569 | return false; |
---|
| 1570 | return true; |
---|
| 1571 | } |
---|
| 1572 | |
---|