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 | |
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28 | //#define DEBUG_PARSER |
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29 | |
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30 | // Note tha "PutString" hardcodes the same list. This |
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31 | // is less flexible than it appears. Changing the entries |
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32 | // or order will break putstring. |
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33 | TiXmlBase::Entity TiXmlBase::entity[ NUM_ENTITY ] = |
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34 | { |
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35 | { "&", 5, '&' }, |
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36 | { "<", 4, '<' }, |
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37 | { ">", 4, '>' }, |
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38 | { """, 6, '\"' }, |
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39 | { "'", 6, '\'' } |
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40 | }; |
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41 | |
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42 | // Bunch of unicode info at: |
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43 | // http://www.unicode.org/faq/utf_bom.html |
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44 | // Including the basic of this table, which determines the #bytes in the |
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45 | // sequence from the lead byte. 1 placed for invalid sequences -- |
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46 | // although the result will be junk, pass it through as much as possible. |
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47 | // Beware of the non-characters in UTF-8: |
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48 | // ef bb bf (Microsoft "lead bytes") |
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49 | // ef bf be |
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50 | // ef bf bf |
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51 | |
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52 | const char TIXML_UTF_LEAD_0 = (const char)0xef; |
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53 | const char TIXML_UTF_LEAD_1 = (const char)0xbb; |
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54 | const char TIXML_UTF_LEAD_2 = (const char)0xbf; |
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55 | |
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56 | const int TiXmlBase::utf8ByteTable[256] = |
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57 | { |
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58 | // 0 1 2 3 4 5 6 7 8 9 a b c d e f |
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59 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x00 |
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60 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x10 |
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61 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x20 |
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62 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x30 |
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63 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x40 |
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64 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x50 |
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65 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x60 |
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66 | 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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67 | 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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68 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x90 |
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69 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0xa0 |
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70 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0xb0 |
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71 | 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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72 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // 0xd0 |
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73 | 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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74 | 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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75 | }; |
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76 | |
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77 | |
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78 | void TiXmlBase::ConvertUTF32ToUTF8( unsigned long input, char* output, int* length ) |
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79 | { |
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80 | const unsigned long BYTE_MASK = 0xBF; |
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81 | const unsigned long BYTE_MARK = 0x80; |
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82 | const unsigned long FIRST_BYTE_MARK[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC }; |
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83 | |
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84 | if (input < 0x80) |
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85 | *length = 1; |
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86 | else if ( input < 0x800 ) |
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87 | *length = 2; |
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88 | else if ( input < 0x10000 ) |
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89 | *length = 3; |
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90 | else if ( input < 0x200000 ) |
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91 | *length = 4; |
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92 | else |
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93 | { *length = 0; return; } // This code won't covert this correctly anyway. |
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94 | |
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95 | output += *length; |
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96 | |
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97 | // Scary scary fall throughs. |
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98 | switch (*length) |
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99 | { |
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100 | case 4: |
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101 | --output; |
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102 | *output = (char)((input | BYTE_MARK) & BYTE_MASK); |
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103 | input >>= 6; |
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104 | case 3: |
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105 | --output; |
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106 | *output = (char)((input | BYTE_MARK) & BYTE_MASK); |
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107 | input >>= 6; |
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108 | case 2: |
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109 | --output; |
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110 | *output = (char)((input | BYTE_MARK) & BYTE_MASK); |
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111 | input >>= 6; |
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112 | case 1: |
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113 | --output; |
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114 | *output = (char)(input | FIRST_BYTE_MARK[*length]); |
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115 | } |
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116 | } |
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117 | |
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118 | |
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119 | /*static*/ int TiXmlBase::IsAlpha( unsigned char anyByte, TiXmlEncoding ) |
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120 | { |
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121 | // This will only work for low-ascii, everything else is assumed to be a valid |
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122 | // letter. I'm not sure this is the best approach, but it is quite tricky trying |
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123 | // to figure out alhabetical vs. not across encoding. So take a very |
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124 | // conservative approach. |
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125 | |
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126 | // if ( encoding == TIXML_ENCODING_UTF8 ) |
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127 | // { |
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128 | if ( anyByte < 127 ) |
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129 | return isalpha( anyByte ); |
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130 | else |
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131 | return 1; // What else to do? The unicode set is huge...get the english ones right. |
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132 | // } |
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133 | // else |
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134 | // { |
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135 | // return isalpha( anyByte ); |
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136 | // } |
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137 | } |
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138 | |
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139 | |
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140 | /*static*/ int TiXmlBase::IsAlphaNum( unsigned char anyByte, TiXmlEncoding ) |
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141 | { |
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142 | // This will only work for low-ascii, everything else is assumed to be a valid |
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143 | // letter. I'm not sure this is the best approach, but it is quite tricky trying |
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144 | // to figure out alhabetical vs. not across encoding. So take a very |
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145 | // conservative approach. |
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146 | |
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147 | // if ( encoding == TIXML_ENCODING_UTF8 ) |
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148 | // { |
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149 | if ( anyByte < 127 ) |
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150 | return isalnum( anyByte ); |
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151 | else |
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152 | return 1; // What else to do? The unicode set is huge...get the english ones right. |
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153 | // } |
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154 | // else |
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155 | // { |
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156 | // return isalnum( anyByte ); |
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157 | // } |
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158 | } |
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159 | |
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160 | |
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161 | class TiXmlParsingData |
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162 | { |
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163 | friend class TiXmlDocument; |
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164 | public: |
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165 | void Stamp( const char* now, TiXmlEncoding encoding ); |
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166 | |
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167 | const TiXmlCursor& Cursor() { return cursor; } |
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168 | |
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169 | private: |
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170 | // Only used by the document! |
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171 | TiXmlParsingData( const char* start, int _tabsize, int row, int col ) |
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172 | { |
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173 | assert( start ); |
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174 | stamp = start; |
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175 | tabsize = _tabsize; |
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176 | cursor.row = row; |
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177 | cursor.col = col; |
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178 | } |
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179 | |
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180 | TiXmlCursor cursor; |
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181 | const char* stamp; |
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182 | int tabsize; |
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183 | }; |
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184 | |
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185 | |
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186 | void TiXmlParsingData::Stamp( const char* now, TiXmlEncoding encoding ) |
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187 | { |
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188 | assert( now ); |
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189 | |
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190 | // Do nothing if the tabsize is 0. |
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191 | if ( tabsize < 1 ) |
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192 | { |
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193 | return; |
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194 | } |
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195 | |
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196 | // Get the current row, column. |
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197 | int row = cursor.row; |
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198 | int col = cursor.col; |
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199 | const char* p = stamp; |
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200 | assert( p ); |
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201 | |
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202 | while ( p < now ) |
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203 | { |
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204 | // Code contributed by Fletcher Dunn: (modified by lee) |
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205 | switch (*p) { |
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206 | case 0: |
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207 | // We *should* never get here, but in case we do, don't |
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208 | // advance past the terminating null character, ever |
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209 | return; |
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210 | |
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211 | case '\r': |
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212 | // bump down to the next line |
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213 | ++row; |
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214 | col = 0; |
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215 | // Eat the character |
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216 | ++p; |
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217 | |
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218 | // Check for \r\n sequence, and treat this as a single character |
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219 | if (*p == '\n') { |
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220 | ++p; |
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221 | } |
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222 | break; |
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223 | |
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224 | case '\n': |
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225 | // bump down to the next line |
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226 | ++row; |
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227 | col = 0; |
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228 | |
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229 | // Eat the character |
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230 | ++p; |
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231 | |
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232 | // Check for \n\r sequence, and treat this as a single |
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233 | // character. (Yes, this bizarre thing does occur still |
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234 | // on some arcane platforms...) |
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235 | if (*p == '\r') { |
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236 | ++p; |
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237 | } |
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238 | break; |
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239 | |
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240 | case '\t': |
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241 | // Eat the character |
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242 | ++p; |
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243 | |
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244 | // Skip to next tab stop |
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245 | col = (col / tabsize + 1) * tabsize; |
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246 | break; |
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247 | |
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248 | case TIXML_UTF_LEAD_0: |
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249 | if ( encoding == TIXML_ENCODING_UTF8 ) |
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250 | { |
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251 | if ( *(p+1) && *(p+2) ) |
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252 | { |
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253 | // In these cases, don't advance the column. These are |
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254 | // 0-width spaces. |
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255 | if ( *(p+1)==TIXML_UTF_LEAD_1 && *(p+2)==TIXML_UTF_LEAD_2 ) |
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256 | p += 3; |
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257 | else if ( *(p+1)==(char)(0xbf) && *(p+2)==(char)(0xbe) ) |
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258 | p += 3; |
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259 | else if ( *(p+1)==(char)(0xbf) && *(p+2)==(char)(0xbf) ) |
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260 | p += 3; |
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261 | else |
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262 | { p +=3; ++col; } // A normal character. |
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263 | } |
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264 | } |
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265 | else |
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266 | { |
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267 | ++p; |
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268 | ++col; |
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269 | } |
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270 | break; |
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271 | |
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272 | default: |
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273 | if ( encoding == TIXML_ENCODING_UTF8 ) |
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274 | { |
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275 | // Eat the 1 to 4 byte utf8 character. |
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276 | int step = TiXmlBase::utf8ByteTable[*((unsigned char*)p)]; |
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277 | if ( step == 0 ) |
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278 | step = 1; // Error case from bad encoding, but handle gracefully. |
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279 | p += step; |
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280 | |
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281 | // Just advance one column, of course. |
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282 | ++col; |
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283 | } |
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284 | else |
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285 | { |
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286 | ++p; |
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287 | ++col; |
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288 | } |
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289 | break; |
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290 | } |
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291 | } |
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292 | cursor.row = row; |
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293 | cursor.col = col; |
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294 | assert( cursor.row >= -1 ); |
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295 | assert( cursor.col >= -1 ); |
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296 | stamp = p; |
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297 | assert( stamp ); |
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298 | } |
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299 | |
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300 | |
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301 | const char* TiXmlBase::SkipWhiteSpace( const char* p, TiXmlEncoding encoding ) |
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302 | { |
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303 | if ( !p || !*p ) |
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304 | { |
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305 | return 0; |
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306 | } |
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307 | if ( encoding == TIXML_ENCODING_UTF8 ) |
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308 | { |
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309 | while ( *p ) |
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310 | { |
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311 | // Skip the stupid Microsoft UTF-8 Byte order marks |
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312 | if ( *(p+0)==TIXML_UTF_LEAD_0 |
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313 | && *(p+1)==TIXML_UTF_LEAD_1 |
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314 | && *(p+2)==TIXML_UTF_LEAD_2 ) |
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315 | { |
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316 | p += 3; |
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317 | continue; |
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318 | } |
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319 | else if(*(p+0)==TIXML_UTF_LEAD_0 |
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320 | && *(p+1)==(const char) 0xbf |
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321 | && *(p+2)==(const char) 0xbe ) |
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322 | { |
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323 | p += 3; |
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324 | continue; |
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325 | } |
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326 | else if(*(p+0)==TIXML_UTF_LEAD_0 |
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327 | && *(p+1)==(const char) 0xbf |
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328 | && *(p+2)==(const char) 0xbf ) |
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329 | { |
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330 | p += 3; |
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331 | continue; |
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332 | } |
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333 | |
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334 | if ( IsWhiteSpace( *p ) || *p == '\n' || *p =='\r' ) // Still using old rules for white space. |
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335 | ++p; |
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336 | else |
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337 | break; |
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338 | } |
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339 | } |
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340 | else |
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341 | { |
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342 | while ( *p && IsWhiteSpace( *p ) || *p == '\n' || *p =='\r' ) |
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343 | ++p; |
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344 | } |
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345 | |
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346 | return p; |
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347 | } |
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348 | |
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349 | #ifdef TIXML_USE_STL |
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350 | /*static*/ bool TiXmlBase::StreamWhiteSpace( TIXML_ISTREAM * in, TIXML_STRING * tag ) |
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351 | { |
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352 | for( ;; ) |
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353 | { |
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354 | if ( !in->good() ) return false; |
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355 | |
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356 | int c = in->peek(); |
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357 | // At this scope, we can't get to a document. So fail silently. |
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358 | if ( !IsWhiteSpace( c ) || c <= 0 ) |
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359 | return true; |
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360 | |
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361 | *tag += (char) in->get(); |
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362 | } |
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363 | } |
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364 | |
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365 | /*static*/ bool TiXmlBase::StreamTo( TIXML_ISTREAM * in, int character, TIXML_STRING * tag ) |
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366 | { |
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367 | //assert( character > 0 && character < 128 ); // else it won't work in utf-8 |
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368 | while ( in->good() ) |
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369 | { |
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370 | int c = in->peek(); |
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371 | if ( c == character ) |
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372 | return true; |
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373 | if ( c <= 0 ) // Silent failure: can't get document at this scope |
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374 | return false; |
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375 | |
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376 | in->get(); |
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377 | *tag += (char) c; |
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378 | } |
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379 | return false; |
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380 | } |
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381 | #endif |
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382 | |
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383 | const char* TiXmlBase::ReadName( const char* p, TIXML_STRING * name, TiXmlEncoding encoding ) |
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384 | { |
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385 | *name = ""; |
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386 | assert( p ); |
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387 | |
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388 | // Names start with letters or underscores. |
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389 | // Of course, in unicode, tinyxml has no idea what a letter *is*. The |
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390 | // algorithm is generous. |
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391 | // |
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392 | // After that, they can be letters, underscores, numbers, |
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393 | // hyphens, or colons. (Colons are valid ony for namespaces, |
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394 | // but tinyxml can't tell namespaces from names.) |
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395 | if ( p && *p |
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396 | && ( IsAlpha( (unsigned char) *p, encoding ) || *p == '_' ) ) |
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397 | { |
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398 | while( p && *p |
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399 | && ( IsAlphaNum( (unsigned char ) *p, encoding ) |
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400 | || *p == '_' |
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401 | || *p == '-' |
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402 | || *p == '.' |
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403 | || *p == ':' ) ) |
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404 | { |
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405 | (*name) += *p; |
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406 | ++p; |
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407 | } |
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408 | return p; |
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409 | } |
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410 | return 0; |
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411 | } |
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412 | |
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413 | const char* TiXmlBase::GetEntity( const char* p, char* value, int* length, TiXmlEncoding encoding ) |
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414 | { |
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415 | // Presume an entity, and pull it out. |
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416 | TIXML_STRING ent; |
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417 | int i; |
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418 | *length = 0; |
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419 | |
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420 | if ( *(p+1) && *(p+1) == '#' && *(p+2) ) |
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421 | { |
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422 | unsigned long ucs = 0; |
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423 | //*ME: warning C4244: convert '__w64 int' to 'unsigned' |
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424 | //*ME: Use size_t instead of unsigned (pointer-arithmetic) |
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425 | size_t delta = 0; |
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426 | unsigned mult = 1; |
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427 | |
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428 | if ( *(p+2) == 'x' ) |
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429 | { |
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430 | // Hexadecimal. |
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431 | if ( !*(p+3) ) return 0; |
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432 | |
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433 | const char* q = p+3; |
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434 | q = strchr( q, ';' ); |
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435 | |
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436 | if ( !q || !*q ) return 0; |
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437 | |
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438 | delta = q-p; |
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439 | --q; |
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440 | |
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441 | while ( *q != 'x' ) |
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442 | { |
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443 | if ( *q >= '0' && *q <= '9' ) |
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444 | ucs += mult * (*q - '0'); |
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445 | else if ( *q >= 'a' && *q <= 'f' ) |
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446 | ucs += mult * (*q - 'a' + 10); |
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447 | else if ( *q >= 'A' && *q <= 'F' ) |
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448 | ucs += mult * (*q - 'A' + 10 ); |
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449 | else |
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450 | return 0; |
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451 | mult *= 16; |
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452 | --q; |
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453 | } |
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454 | } |
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455 | else |
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456 | { |
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457 | // Decimal. |
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458 | if ( !*(p+2) ) return 0; |
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459 | |
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460 | const char* q = p+2; |
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461 | q = strchr( q, ';' ); |
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462 | |
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463 | if ( !q || !*q ) return 0; |
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464 | |
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465 | delta = q-p; |
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466 | --q; |
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467 | |
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468 | while ( *q != '#' ) |
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469 | { |
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470 | if ( *q >= '0' && *q <= '9' ) |
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471 | ucs += mult * (*q - '0'); |
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472 | else |
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473 | return 0; |
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474 | mult *= 10; |
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475 | --q; |
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476 | } |
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477 | } |
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478 | if ( encoding == TIXML_ENCODING_UTF8 ) |
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479 | { |
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480 | // convert the UCS to UTF-8 |
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481 | ConvertUTF32ToUTF8( ucs, value, length ); |
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482 | } |
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483 | else |
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484 | { |
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485 | *value = (char)ucs; |
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486 | *length = 1; |
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487 | } |
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488 | return p + delta + 1; |
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489 | } |
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490 | |
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491 | // Now try to match it. |
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492 | for( i=0; i<NUM_ENTITY; ++i ) |
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493 | { |
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494 | if ( strncmp( entity[i].str, p, entity[i].strLength ) == 0 ) |
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495 | { |
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496 | assert( strlen( entity[i].str ) == entity[i].strLength ); |
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497 | *value = entity[i].chr; |
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498 | *length = 1; |
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499 | return ( p + entity[i].strLength ); |
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500 | } |
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501 | } |
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502 | |
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503 | // So it wasn't an entity, its unrecognized, or something like that. |
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504 | *value = *p; // Don't put back the last one, since we return it! |
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505 | return p+1; |
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506 | } |
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507 | |
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508 | |
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509 | bool TiXmlBase::StringEqual( const char* p, |
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510 | const char* tag, |
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511 | bool ignoreCase, |
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512 | TiXmlEncoding encoding ) |
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513 | { |
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514 | assert( p ); |
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515 | assert( tag ); |
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516 | if ( !p || !*p ) |
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517 | { |
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518 | assert( 0 ); |
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519 | return false; |
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520 | } |
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521 | |
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522 | const char* q = p; |
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523 | |
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524 | if ( ignoreCase ) |
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525 | { |
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526 | while ( *q && *tag && ToLower( *q, encoding ) == ToLower( *tag, encoding ) ) |
---|
527 | { |
---|
528 | ++q; |
---|
529 | ++tag; |
---|
530 | } |
---|
531 | |
---|
532 | if ( *tag == 0 ) |
---|
533 | return true; |
---|
534 | } |
---|
535 | else |
---|
536 | { |
---|
537 | while ( *q && *tag && *q == *tag ) |
---|
538 | { |
---|
539 | ++q; |
---|
540 | ++tag; |
---|
541 | } |
---|
542 | |
---|
543 | if ( *tag == 0 ) // Have we found the end of the tag, and everything equal? |
---|
544 | return true; |
---|
545 | } |
---|
546 | return false; |
---|
547 | } |
---|
548 | |
---|
549 | const char* TiXmlBase::ReadText( const char* p, |
---|
550 | TIXML_STRING * text, |
---|
551 | bool trimWhiteSpace, |
---|
552 | const char* endTag, |
---|
553 | bool caseInsensitive, |
---|
554 | TiXmlEncoding encoding ) |
---|
555 | { |
---|
556 | *text = ""; |
---|
557 | if ( !trimWhiteSpace // certain tags always keep whitespace |
---|
558 | || !condenseWhiteSpace ) // if true, whitespace is always kept |
---|
559 | { |
---|
560 | // Keep all the white space. |
---|
561 | while ( p && *p |
---|
562 | && !StringEqual( p, endTag, caseInsensitive, encoding ) |
---|
563 | ) |
---|
564 | { |
---|
565 | int len; |
---|
566 | char cArr[4] = { 0, 0, 0, 0 }; |
---|
567 | p = GetChar( p, cArr, &len, encoding ); |
---|
568 | text->append( cArr, len ); |
---|
569 | } |
---|
570 | } |
---|
571 | else |
---|
572 | { |
---|
573 | bool whitespace = false; |
---|
574 | |
---|
575 | // Remove leading white space: |
---|
576 | p = SkipWhiteSpace( p, encoding ); |
---|
577 | while ( p && *p |
---|
578 | && !StringEqual( p, endTag, caseInsensitive, encoding ) ) |
---|
579 | { |
---|
580 | if ( *p == '\r' || *p == '\n' ) |
---|
581 | { |
---|
582 | whitespace = true; |
---|
583 | ++p; |
---|
584 | } |
---|
585 | else if ( IsWhiteSpace( *p ) ) |
---|
586 | { |
---|
587 | whitespace = true; |
---|
588 | ++p; |
---|
589 | } |
---|
590 | else |
---|
591 | { |
---|
592 | // If we've found whitespace, add it before the |
---|
593 | // new character. Any whitespace just becomes a space. |
---|
594 | if ( whitespace ) |
---|
595 | { |
---|
596 | (*text) += ' '; |
---|
597 | whitespace = false; |
---|
598 | } |
---|
599 | int len; |
---|
600 | char cArr[4] = { 0, 0, 0, 0 }; |
---|
601 | p = GetChar( p, cArr, &len, encoding ); |
---|
602 | if ( len == 1 ) |
---|
603 | (*text) += cArr[0]; // more efficient |
---|
604 | else |
---|
605 | text->append( cArr, len ); |
---|
606 | } |
---|
607 | } |
---|
608 | } |
---|
609 | return p + strlen( endTag ); |
---|
610 | } |
---|
611 | |
---|
612 | #ifdef TIXML_USE_STL |
---|
613 | |
---|
614 | void TiXmlDocument::StreamIn( TIXML_ISTREAM * in, TIXML_STRING * tag ) |
---|
615 | { |
---|
616 | // The basic issue with a document is that we don't know what we're |
---|
617 | // streaming. Read something presumed to be a tag (and hope), then |
---|
618 | // identify it, and call the appropriate stream method on the tag. |
---|
619 | // |
---|
620 | // This "pre-streaming" will never read the closing ">" so the |
---|
621 | // sub-tag can orient itself. |
---|
622 | |
---|
623 | if ( !StreamTo( in, '<', tag ) ) |
---|
624 | { |
---|
625 | SetError( TIXML_ERROR_PARSING_EMPTY, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
626 | return; |
---|
627 | } |
---|
628 | |
---|
629 | while ( in->good() ) |
---|
630 | { |
---|
631 | int tagIndex = (int) tag->length(); |
---|
632 | while ( in->good() && in->peek() != '>' ) |
---|
633 | { |
---|
634 | int c = in->get(); |
---|
635 | if ( c <= 0 ) |
---|
636 | { |
---|
637 | SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
638 | break; |
---|
639 | } |
---|
640 | (*tag) += (char) c; |
---|
641 | } |
---|
642 | |
---|
643 | if ( in->good() ) |
---|
644 | { |
---|
645 | // We now have something we presume to be a node of |
---|
646 | // some sort. Identify it, and call the node to |
---|
647 | // continue streaming. |
---|
648 | TiXmlNode* node = Identify( tag->c_str() + tagIndex, TIXML_DEFAULT_ENCODING ); |
---|
649 | |
---|
650 | if ( node ) |
---|
651 | { |
---|
652 | node->StreamIn( in, tag ); |
---|
653 | bool isElement = node->ToElement() != 0; |
---|
654 | delete node; |
---|
655 | node = 0; |
---|
656 | |
---|
657 | // If this is the root element, we're done. Parsing will be |
---|
658 | // done by the >> operator. |
---|
659 | if ( isElement ) |
---|
660 | { |
---|
661 | return; |
---|
662 | } |
---|
663 | } |
---|
664 | else |
---|
665 | { |
---|
666 | SetError( TIXML_ERROR, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
667 | return; |
---|
668 | } |
---|
669 | } |
---|
670 | } |
---|
671 | // We should have returned sooner. |
---|
672 | SetError( TIXML_ERROR, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
673 | } |
---|
674 | |
---|
675 | #endif |
---|
676 | |
---|
677 | const char* TiXmlDocument::Parse( const char* p, TiXmlParsingData* prevData, TiXmlEncoding encoding ) |
---|
678 | { |
---|
679 | ClearError(); |
---|
680 | |
---|
681 | // Parse away, at the document level. Since a document |
---|
682 | // contains nothing but other tags, most of what happens |
---|
683 | // here is skipping white space. |
---|
684 | if ( !p || !*p ) |
---|
685 | { |
---|
686 | SetError( TIXML_ERROR_DOCUMENT_EMPTY, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
687 | return 0; |
---|
688 | } |
---|
689 | |
---|
690 | // Note that, for a document, this needs to come |
---|
691 | // before the while space skip, so that parsing |
---|
692 | // starts from the pointer we are given. |
---|
693 | location.Clear(); |
---|
694 | if ( prevData ) |
---|
695 | { |
---|
696 | location.row = prevData->cursor.row; |
---|
697 | location.col = prevData->cursor.col; |
---|
698 | } |
---|
699 | else |
---|
700 | { |
---|
701 | location.row = 0; |
---|
702 | location.col = 0; |
---|
703 | } |
---|
704 | TiXmlParsingData data( p, TabSize(), location.row, location.col ); |
---|
705 | location = data.Cursor(); |
---|
706 | |
---|
707 | if ( encoding == TIXML_ENCODING_UNKNOWN ) |
---|
708 | { |
---|
709 | // Check for the Microsoft UTF-8 lead bytes. |
---|
710 | if ( *(p+0) && *(p+0) == TIXML_UTF_LEAD_0 |
---|
711 | && *(p+1) && *(p+1) == TIXML_UTF_LEAD_1 |
---|
712 | && *(p+2) && *(p+2) == TIXML_UTF_LEAD_2 ) |
---|
713 | { |
---|
714 | encoding = TIXML_ENCODING_UTF8; |
---|
715 | } |
---|
716 | } |
---|
717 | |
---|
718 | p = SkipWhiteSpace( p, encoding ); |
---|
719 | if ( !p ) |
---|
720 | { |
---|
721 | SetError( TIXML_ERROR_DOCUMENT_EMPTY, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
722 | return 0; |
---|
723 | } |
---|
724 | |
---|
725 | while ( p && *p ) |
---|
726 | { |
---|
727 | TiXmlNode* node = Identify( p, encoding ); |
---|
728 | if ( node ) |
---|
729 | { |
---|
730 | p = node->Parse( p, &data, encoding ); |
---|
731 | LinkEndChild( node ); |
---|
732 | } |
---|
733 | else |
---|
734 | { |
---|
735 | break; |
---|
736 | } |
---|
737 | |
---|
738 | // Did we get encoding info? |
---|
739 | if ( encoding == TIXML_ENCODING_UNKNOWN |
---|
740 | && node->ToDeclaration() ) |
---|
741 | { |
---|
742 | TiXmlDeclaration* dec = node->ToDeclaration(); |
---|
743 | const char* enc = dec->Encoding(); |
---|
744 | assert( enc ); |
---|
745 | |
---|
746 | if ( *enc == 0 ) |
---|
747 | encoding = TIXML_ENCODING_UTF8; |
---|
748 | else if ( StringEqual( enc, "UTF-8", true, TIXML_ENCODING_UNKNOWN ) ) |
---|
749 | encoding = TIXML_ENCODING_UTF8; |
---|
750 | else if ( StringEqual( enc, "UTF8", true, TIXML_ENCODING_UNKNOWN ) ) |
---|
751 | encoding = TIXML_ENCODING_UTF8; // incorrect, but be nice |
---|
752 | else |
---|
753 | encoding = TIXML_ENCODING_LEGACY; |
---|
754 | } |
---|
755 | |
---|
756 | p = SkipWhiteSpace( p, encoding ); |
---|
757 | } |
---|
758 | |
---|
759 | // Was this empty? |
---|
760 | if ( !firstChild ) { |
---|
761 | SetError( TIXML_ERROR_DOCUMENT_EMPTY, 0, 0, encoding ); |
---|
762 | return 0; |
---|
763 | } |
---|
764 | |
---|
765 | // All is well. |
---|
766 | return p; |
---|
767 | } |
---|
768 | |
---|
769 | void TiXmlDocument::SetError( int err, const char* pError, TiXmlParsingData* data, TiXmlEncoding encoding ) |
---|
770 | { |
---|
771 | // The first error in a chain is more accurate - don't set again! |
---|
772 | if ( error ) |
---|
773 | return; |
---|
774 | |
---|
775 | assert( err > 0 && err < TIXML_ERROR_STRING_COUNT ); |
---|
776 | error = true; |
---|
777 | errorId = err; |
---|
778 | errorDesc = errorString[ errorId ]; |
---|
779 | |
---|
780 | errorLocation.Clear(); |
---|
781 | if ( pError && data ) |
---|
782 | { |
---|
783 | //TiXmlParsingData data( pError, prevData ); |
---|
784 | data->Stamp( pError, encoding ); |
---|
785 | errorLocation = data->Cursor(); |
---|
786 | } |
---|
787 | } |
---|
788 | |
---|
789 | |
---|
790 | TiXmlNode* TiXmlNode::Identify( const char* p, TiXmlEncoding encoding ) |
---|
791 | { |
---|
792 | TiXmlNode* returnNode = 0; |
---|
793 | |
---|
794 | p = SkipWhiteSpace( p, encoding ); |
---|
795 | if( !p || !*p || *p != '<' ) |
---|
796 | { |
---|
797 | return 0; |
---|
798 | } |
---|
799 | |
---|
800 | TiXmlDocument* doc = GetDocument(); |
---|
801 | p = SkipWhiteSpace( p, encoding ); |
---|
802 | |
---|
803 | if ( !p || !*p ) |
---|
804 | { |
---|
805 | return 0; |
---|
806 | } |
---|
807 | |
---|
808 | // What is this thing? |
---|
809 | // - Elements start with a letter or underscore, but xml is reserved. |
---|
810 | // - Comments: <!-- |
---|
811 | // - Decleration: <?xml |
---|
812 | // - Everthing else is unknown to tinyxml. |
---|
813 | // |
---|
814 | |
---|
815 | const char* xmlHeader = { "<?xml" }; |
---|
816 | const char* commentHeader = { "<!--" }; |
---|
817 | const char* dtdHeader = { "<!" }; |
---|
818 | |
---|
819 | if ( StringEqual( p, xmlHeader, true, encoding ) ) |
---|
820 | { |
---|
821 | #ifdef DEBUG_PARSER |
---|
822 | TIXML_LOG( "XML parsing Declaration\n" ); |
---|
823 | #endif |
---|
824 | returnNode = new TiXmlDeclaration(); |
---|
825 | } |
---|
826 | else if ( StringEqual( p, commentHeader, false, encoding ) ) |
---|
827 | { |
---|
828 | #ifdef DEBUG_PARSER |
---|
829 | TIXML_LOG( "XML parsing Comment\n" ); |
---|
830 | #endif |
---|
831 | returnNode = new TiXmlComment(); |
---|
832 | } |
---|
833 | else if ( StringEqual( p, dtdHeader, false, encoding ) ) |
---|
834 | { |
---|
835 | #ifdef DEBUG_PARSER |
---|
836 | TIXML_LOG( "XML parsing Unknown(1)\n" ); |
---|
837 | #endif |
---|
838 | returnNode = new TiXmlUnknown(); |
---|
839 | } |
---|
840 | else if ( IsAlpha( *(p+1), encoding ) |
---|
841 | || *(p+1) == '_' ) |
---|
842 | { |
---|
843 | #ifdef DEBUG_PARSER |
---|
844 | TIXML_LOG( "XML parsing Element\n" ); |
---|
845 | #endif |
---|
846 | returnNode = new TiXmlElement( "" ); |
---|
847 | } |
---|
848 | else |
---|
849 | { |
---|
850 | #ifdef DEBUG_PARSER |
---|
851 | TIXML_LOG( "XML parsing Unknown(2)\n" ); |
---|
852 | #endif |
---|
853 | returnNode = new TiXmlUnknown(); |
---|
854 | } |
---|
855 | |
---|
856 | if ( returnNode ) |
---|
857 | { |
---|
858 | // Set the parent, so it can report errors |
---|
859 | returnNode->parent = this; |
---|
860 | } |
---|
861 | else |
---|
862 | { |
---|
863 | if ( doc ) |
---|
864 | doc->SetError( TIXML_ERROR_OUT_OF_MEMORY, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
865 | } |
---|
866 | return returnNode; |
---|
867 | } |
---|
868 | |
---|
869 | #ifdef TIXML_USE_STL |
---|
870 | |
---|
871 | void TiXmlElement::StreamIn (TIXML_ISTREAM * in, TIXML_STRING * tag) |
---|
872 | { |
---|
873 | // We're called with some amount of pre-parsing. That is, some of "this" |
---|
874 | // element is in "tag". Go ahead and stream to the closing ">" |
---|
875 | while( in->good() ) |
---|
876 | { |
---|
877 | int c = in->get(); |
---|
878 | if ( c <= 0 ) |
---|
879 | { |
---|
880 | TiXmlDocument* document = GetDocument(); |
---|
881 | if ( document ) |
---|
882 | document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
883 | return; |
---|
884 | } |
---|
885 | (*tag) += (char) c ; |
---|
886 | |
---|
887 | if ( c == '>' ) |
---|
888 | break; |
---|
889 | } |
---|
890 | |
---|
891 | if ( tag->length() < 3 ) return; |
---|
892 | |
---|
893 | // Okay...if we are a "/>" tag, then we're done. We've read a complete tag. |
---|
894 | // If not, identify and stream. |
---|
895 | |
---|
896 | if ( tag->at( tag->length() - 1 ) == '>' |
---|
897 | && tag->at( tag->length() - 2 ) == '/' ) |
---|
898 | { |
---|
899 | // All good! |
---|
900 | return; |
---|
901 | } |
---|
902 | else if ( tag->at( tag->length() - 1 ) == '>' ) |
---|
903 | { |
---|
904 | // There is more. Could be: |
---|
905 | // text |
---|
906 | // closing tag |
---|
907 | // another node. |
---|
908 | for ( ;; ) |
---|
909 | { |
---|
910 | StreamWhiteSpace( in, tag ); |
---|
911 | |
---|
912 | // Do we have text? |
---|
913 | if ( in->good() && in->peek() != '<' ) |
---|
914 | { |
---|
915 | // Yep, text. |
---|
916 | TiXmlText text( "" ); |
---|
917 | text.StreamIn( in, tag ); |
---|
918 | |
---|
919 | // What follows text is a closing tag or another node. |
---|
920 | // Go around again and figure it out. |
---|
921 | continue; |
---|
922 | } |
---|
923 | |
---|
924 | // We now have either a closing tag...or another node. |
---|
925 | // We should be at a "<", regardless. |
---|
926 | if ( !in->good() ) return; |
---|
927 | assert( in->peek() == '<' ); |
---|
928 | int tagIndex = tag->length(); |
---|
929 | |
---|
930 | bool closingTag = false; |
---|
931 | bool firstCharFound = false; |
---|
932 | |
---|
933 | for( ;; ) |
---|
934 | { |
---|
935 | if ( !in->good() ) |
---|
936 | return; |
---|
937 | |
---|
938 | int c = in->peek(); |
---|
939 | if ( c <= 0 ) |
---|
940 | { |
---|
941 | TiXmlDocument* document = GetDocument(); |
---|
942 | if ( document ) |
---|
943 | document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
944 | return; |
---|
945 | } |
---|
946 | |
---|
947 | if ( c == '>' ) |
---|
948 | break; |
---|
949 | |
---|
950 | *tag += (char) c; |
---|
951 | in->get(); |
---|
952 | |
---|
953 | if ( !firstCharFound && c != '<' && !IsWhiteSpace( c ) ) |
---|
954 | { |
---|
955 | firstCharFound = true; |
---|
956 | if ( c == '/' ) |
---|
957 | closingTag = true; |
---|
958 | } |
---|
959 | } |
---|
960 | // If it was a closing tag, then read in the closing '>' to clean up the input stream. |
---|
961 | // If it was not, the streaming will be done by the tag. |
---|
962 | if ( closingTag ) |
---|
963 | { |
---|
964 | if ( !in->good() ) |
---|
965 | return; |
---|
966 | |
---|
967 | int c = in->get(); |
---|
968 | if ( c <= 0 ) |
---|
969 | { |
---|
970 | TiXmlDocument* document = GetDocument(); |
---|
971 | if ( document ) |
---|
972 | document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
973 | return; |
---|
974 | } |
---|
975 | assert( c == '>' ); |
---|
976 | *tag += (char) c; |
---|
977 | |
---|
978 | // We are done, once we've found our closing tag. |
---|
979 | return; |
---|
980 | } |
---|
981 | else |
---|
982 | { |
---|
983 | // If not a closing tag, id it, and stream. |
---|
984 | const char* tagloc = tag->c_str() + tagIndex; |
---|
985 | TiXmlNode* node = Identify( tagloc, TIXML_DEFAULT_ENCODING ); |
---|
986 | if ( !node ) |
---|
987 | return; |
---|
988 | node->StreamIn( in, tag ); |
---|
989 | delete node; |
---|
990 | node = 0; |
---|
991 | |
---|
992 | // No return: go around from the beginning: text, closing tag, or node. |
---|
993 | } |
---|
994 | } |
---|
995 | } |
---|
996 | } |
---|
997 | #endif |
---|
998 | |
---|
999 | const char* TiXmlElement::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) |
---|
1000 | { |
---|
1001 | p = SkipWhiteSpace( p, encoding ); |
---|
1002 | TiXmlDocument* document = GetDocument(); |
---|
1003 | |
---|
1004 | if ( !p || !*p ) |
---|
1005 | { |
---|
1006 | if ( document ) document->SetError( TIXML_ERROR_PARSING_ELEMENT, 0, 0, encoding ); |
---|
1007 | return 0; |
---|
1008 | } |
---|
1009 | |
---|
1010 | // TiXmlParsingData data( p, prevData ); |
---|
1011 | if ( data ) |
---|
1012 | { |
---|
1013 | data->Stamp( p, encoding ); |
---|
1014 | location = data->Cursor(); |
---|
1015 | } |
---|
1016 | |
---|
1017 | if ( *p != '<' ) |
---|
1018 | { |
---|
1019 | if ( document ) document->SetError( TIXML_ERROR_PARSING_ELEMENT, p, data, encoding ); |
---|
1020 | return 0; |
---|
1021 | } |
---|
1022 | |
---|
1023 | p = SkipWhiteSpace( p+1, encoding ); |
---|
1024 | |
---|
1025 | // Read the name. |
---|
1026 | const char* pErr = p; |
---|
1027 | |
---|
1028 | p = ReadName( p, &value, encoding ); |
---|
1029 | if ( !p || !*p ) |
---|
1030 | { |
---|
1031 | if ( document ) document->SetError( TIXML_ERROR_FAILED_TO_READ_ELEMENT_NAME, pErr, data, encoding ); |
---|
1032 | return 0; |
---|
1033 | } |
---|
1034 | |
---|
1035 | TIXML_STRING endTag ("</"); |
---|
1036 | endTag += value; |
---|
1037 | endTag += ">"; |
---|
1038 | |
---|
1039 | // Check for and read attributes. Also look for an empty |
---|
1040 | // tag or an end tag. |
---|
1041 | while ( p && *p ) |
---|
1042 | { |
---|
1043 | pErr = p; |
---|
1044 | p = SkipWhiteSpace( p, encoding ); |
---|
1045 | if ( !p || !*p ) |
---|
1046 | { |
---|
1047 | if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, pErr, data, encoding ); |
---|
1048 | return 0; |
---|
1049 | } |
---|
1050 | if ( *p == '/' ) |
---|
1051 | { |
---|
1052 | ++p; |
---|
1053 | // Empty tag. |
---|
1054 | if ( *p != '>' ) |
---|
1055 | { |
---|
1056 | if ( document ) document->SetError( TIXML_ERROR_PARSING_EMPTY, p, data, encoding ); |
---|
1057 | return 0; |
---|
1058 | } |
---|
1059 | return (p+1); |
---|
1060 | } |
---|
1061 | else if ( *p == '>' ) |
---|
1062 | { |
---|
1063 | // Done with attributes (if there were any.) |
---|
1064 | // Read the value -- which can include other |
---|
1065 | // elements -- read the end tag, and return. |
---|
1066 | ++p; |
---|
1067 | p = ReadValue( p, data, encoding ); // Note this is an Element method, and will set the error if one happens. |
---|
1068 | if ( !p || !*p ) |
---|
1069 | return 0; |
---|
1070 | |
---|
1071 | // We should find the end tag now |
---|
1072 | if ( StringEqual( p, endTag.c_str(), false, encoding ) ) |
---|
1073 | { |
---|
1074 | p += endTag.length(); |
---|
1075 | return p; |
---|
1076 | } |
---|
1077 | else |
---|
1078 | { |
---|
1079 | if ( document ) document->SetError( TIXML_ERROR_READING_END_TAG, p, data, encoding ); |
---|
1080 | return 0; |
---|
1081 | } |
---|
1082 | } |
---|
1083 | else |
---|
1084 | { |
---|
1085 | // Try to read an attribute: |
---|
1086 | TiXmlAttribute* attrib = new TiXmlAttribute(); |
---|
1087 | if ( !attrib ) |
---|
1088 | { |
---|
1089 | if ( document ) document->SetError( TIXML_ERROR_OUT_OF_MEMORY, pErr, data, encoding ); |
---|
1090 | return 0; |
---|
1091 | } |
---|
1092 | |
---|
1093 | attrib->SetDocument( document ); |
---|
1094 | const char* pErr = p; |
---|
1095 | p = attrib->Parse( p, data, encoding ); |
---|
1096 | |
---|
1097 | if ( !p || !*p ) |
---|
1098 | { |
---|
1099 | if ( document ) document->SetError( TIXML_ERROR_PARSING_ELEMENT, pErr, data, encoding ); |
---|
1100 | delete attrib; |
---|
1101 | return 0; |
---|
1102 | } |
---|
1103 | |
---|
1104 | // Handle the strange case of double attributes: |
---|
1105 | TiXmlAttribute* node = attributeSet.Find( attrib->Name() ); |
---|
1106 | if ( node ) |
---|
1107 | { |
---|
1108 | node->SetValue( attrib->Value() ); |
---|
1109 | delete attrib; |
---|
1110 | return 0; |
---|
1111 | } |
---|
1112 | |
---|
1113 | attributeSet.Add( attrib ); |
---|
1114 | } |
---|
1115 | } |
---|
1116 | return p; |
---|
1117 | } |
---|
1118 | |
---|
1119 | |
---|
1120 | const char* TiXmlElement::ReadValue( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) |
---|
1121 | { |
---|
1122 | TiXmlDocument* document = GetDocument(); |
---|
1123 | |
---|
1124 | const char* pWithWhiteSpace = p; |
---|
1125 | // Read in text and elements in any order. |
---|
1126 | p = SkipWhiteSpace( p, encoding ); |
---|
1127 | while ( p && *p ) |
---|
1128 | { |
---|
1129 | if ( *p != '<' ) |
---|
1130 | { |
---|
1131 | // Take what we have, make a text element. |
---|
1132 | TiXmlText* textNode = new TiXmlText( "" ); |
---|
1133 | |
---|
1134 | if ( !textNode ) |
---|
1135 | { |
---|
1136 | if ( document ) document->SetError( TIXML_ERROR_OUT_OF_MEMORY, 0, 0, encoding ); |
---|
1137 | return 0; |
---|
1138 | } |
---|
1139 | |
---|
1140 | if ( TiXmlBase::IsWhiteSpaceCondensed() ) |
---|
1141 | { |
---|
1142 | p = textNode->Parse( p, data, encoding ); |
---|
1143 | } |
---|
1144 | else |
---|
1145 | { |
---|
1146 | // Special case: we want to keep the white space |
---|
1147 | // so that leading spaces aren't removed. |
---|
1148 | p = textNode->Parse( pWithWhiteSpace, data, encoding ); |
---|
1149 | } |
---|
1150 | |
---|
1151 | if ( !textNode->Blank() ) |
---|
1152 | LinkEndChild( textNode ); |
---|
1153 | else |
---|
1154 | delete textNode; |
---|
1155 | } |
---|
1156 | else |
---|
1157 | { |
---|
1158 | // We hit a '<' |
---|
1159 | // Have we hit a new element or an end tag? |
---|
1160 | if ( StringEqual( p, "</", false, encoding ) ) |
---|
1161 | { |
---|
1162 | return p; |
---|
1163 | } |
---|
1164 | else |
---|
1165 | { |
---|
1166 | TiXmlNode* node = Identify( p, encoding ); |
---|
1167 | if ( node ) |
---|
1168 | { |
---|
1169 | p = node->Parse( p, data, encoding ); |
---|
1170 | LinkEndChild( node ); |
---|
1171 | } |
---|
1172 | else |
---|
1173 | { |
---|
1174 | return 0; |
---|
1175 | } |
---|
1176 | } |
---|
1177 | } |
---|
1178 | p = SkipWhiteSpace( p, encoding ); |
---|
1179 | } |
---|
1180 | |
---|
1181 | if ( !p ) |
---|
1182 | { |
---|
1183 | if ( document ) document->SetError( TIXML_ERROR_READING_ELEMENT_VALUE, 0, 0, encoding ); |
---|
1184 | } |
---|
1185 | return p; |
---|
1186 | } |
---|
1187 | |
---|
1188 | |
---|
1189 | #ifdef TIXML_USE_STL |
---|
1190 | void TiXmlUnknown::StreamIn( TIXML_ISTREAM * in, TIXML_STRING * tag ) |
---|
1191 | { |
---|
1192 | while ( in->good() ) |
---|
1193 | { |
---|
1194 | int c = in->get(); |
---|
1195 | if ( c <= 0 ) |
---|
1196 | { |
---|
1197 | TiXmlDocument* document = GetDocument(); |
---|
1198 | if ( document ) |
---|
1199 | document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
1200 | return; |
---|
1201 | } |
---|
1202 | (*tag) += (char) c; |
---|
1203 | |
---|
1204 | if ( c == '>' ) |
---|
1205 | { |
---|
1206 | // All is well. |
---|
1207 | return; |
---|
1208 | } |
---|
1209 | } |
---|
1210 | } |
---|
1211 | #endif |
---|
1212 | |
---|
1213 | |
---|
1214 | const char* TiXmlUnknown::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) |
---|
1215 | { |
---|
1216 | TiXmlDocument* document = GetDocument(); |
---|
1217 | p = SkipWhiteSpace( p, encoding ); |
---|
1218 | |
---|
1219 | // TiXmlParsingData data( p, prevData ); |
---|
1220 | if ( data ) |
---|
1221 | { |
---|
1222 | data->Stamp( p, encoding ); |
---|
1223 | location = data->Cursor(); |
---|
1224 | } |
---|
1225 | if ( !p || !*p || *p != '<' ) |
---|
1226 | { |
---|
1227 | if ( document ) document->SetError( TIXML_ERROR_PARSING_UNKNOWN, p, data, encoding ); |
---|
1228 | return 0; |
---|
1229 | } |
---|
1230 | ++p; |
---|
1231 | value = ""; |
---|
1232 | |
---|
1233 | while ( p && *p && *p != '>' ) |
---|
1234 | { |
---|
1235 | value += *p; |
---|
1236 | ++p; |
---|
1237 | } |
---|
1238 | |
---|
1239 | if ( !p ) |
---|
1240 | { |
---|
1241 | if ( document ) document->SetError( TIXML_ERROR_PARSING_UNKNOWN, 0, 0, encoding ); |
---|
1242 | } |
---|
1243 | if ( *p == '>' ) |
---|
1244 | return p+1; |
---|
1245 | return p; |
---|
1246 | } |
---|
1247 | |
---|
1248 | #ifdef TIXML_USE_STL |
---|
1249 | void TiXmlComment::StreamIn( TIXML_ISTREAM * in, TIXML_STRING * tag ) |
---|
1250 | { |
---|
1251 | while ( in->good() ) |
---|
1252 | { |
---|
1253 | int c = in->get(); |
---|
1254 | if ( c <= 0 ) |
---|
1255 | { |
---|
1256 | TiXmlDocument* document = GetDocument(); |
---|
1257 | if ( document ) |
---|
1258 | document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
1259 | return; |
---|
1260 | } |
---|
1261 | |
---|
1262 | (*tag) += (char) c; |
---|
1263 | |
---|
1264 | if ( c == '>' |
---|
1265 | && tag->at( tag->length() - 2 ) == '-' |
---|
1266 | && tag->at( tag->length() - 3 ) == '-' ) |
---|
1267 | { |
---|
1268 | // All is well. |
---|
1269 | return; |
---|
1270 | } |
---|
1271 | } |
---|
1272 | } |
---|
1273 | #endif |
---|
1274 | |
---|
1275 | |
---|
1276 | const char* TiXmlComment::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) |
---|
1277 | { |
---|
1278 | TiXmlDocument* document = GetDocument(); |
---|
1279 | value = ""; |
---|
1280 | |
---|
1281 | p = SkipWhiteSpace( p, encoding ); |
---|
1282 | |
---|
1283 | // TiXmlParsingData data( p, prevData ); |
---|
1284 | if ( data ) |
---|
1285 | { |
---|
1286 | data->Stamp( p, encoding ); |
---|
1287 | location = data->Cursor(); |
---|
1288 | } |
---|
1289 | const char* startTag = "<!--"; |
---|
1290 | const char* endTag = "-->"; |
---|
1291 | |
---|
1292 | if ( !StringEqual( p, startTag, false, encoding ) ) |
---|
1293 | { |
---|
1294 | document->SetError( TIXML_ERROR_PARSING_COMMENT, p, data, encoding ); |
---|
1295 | return 0; |
---|
1296 | } |
---|
1297 | p += strlen( startTag ); |
---|
1298 | p = ReadText( p, &value, false, endTag, false, encoding ); |
---|
1299 | return p; |
---|
1300 | } |
---|
1301 | |
---|
1302 | |
---|
1303 | const char* TiXmlAttribute::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) |
---|
1304 | { |
---|
1305 | p = SkipWhiteSpace( p, encoding ); |
---|
1306 | if ( !p || !*p ) return 0; |
---|
1307 | |
---|
1308 | int tabsize = 4; |
---|
1309 | if ( document ) |
---|
1310 | tabsize = document->TabSize(); |
---|
1311 | |
---|
1312 | // TiXmlParsingData data( p, prevData ); |
---|
1313 | if ( data ) |
---|
1314 | { |
---|
1315 | data->Stamp( p, encoding ); |
---|
1316 | location = data->Cursor(); |
---|
1317 | } |
---|
1318 | // Read the name, the '=' and the value. |
---|
1319 | const char* pErr = p; |
---|
1320 | p = ReadName( p, &name, encoding ); |
---|
1321 | if ( !p || !*p ) |
---|
1322 | { |
---|
1323 | if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, pErr, data, encoding ); |
---|
1324 | return 0; |
---|
1325 | } |
---|
1326 | p = SkipWhiteSpace( p, encoding ); |
---|
1327 | if ( !p || !*p || *p != '=' ) |
---|
1328 | { |
---|
1329 | if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, p, data, encoding ); |
---|
1330 | return 0; |
---|
1331 | } |
---|
1332 | |
---|
1333 | ++p; // skip '=' |
---|
1334 | p = SkipWhiteSpace( p, encoding ); |
---|
1335 | if ( !p || !*p ) |
---|
1336 | { |
---|
1337 | if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, p, data, encoding ); |
---|
1338 | return 0; |
---|
1339 | } |
---|
1340 | |
---|
1341 | const char* end; |
---|
1342 | |
---|
1343 | if ( *p == '\'' ) |
---|
1344 | { |
---|
1345 | ++p; |
---|
1346 | end = "\'"; |
---|
1347 | p = ReadText( p, &value, false, end, false, encoding ); |
---|
1348 | } |
---|
1349 | else if ( *p == '"' ) |
---|
1350 | { |
---|
1351 | ++p; |
---|
1352 | end = "\""; |
---|
1353 | p = ReadText( p, &value, false, end, false, encoding ); |
---|
1354 | } |
---|
1355 | else |
---|
1356 | { |
---|
1357 | // All attribute values should be in single or double quotes. |
---|
1358 | // But this is such a common error that the parser will try |
---|
1359 | // its best, even without them. |
---|
1360 | value = ""; |
---|
1361 | while ( p && *p // existence |
---|
1362 | && !IsWhiteSpace( *p ) && *p != '\n' && *p != '\r' // whitespace |
---|
1363 | && *p != '/' && *p != '>' ) // tag end |
---|
1364 | { |
---|
1365 | value += *p; |
---|
1366 | ++p; |
---|
1367 | } |
---|
1368 | } |
---|
1369 | return p; |
---|
1370 | } |
---|
1371 | |
---|
1372 | #ifdef TIXML_USE_STL |
---|
1373 | void TiXmlText::StreamIn( TIXML_ISTREAM * in, TIXML_STRING * tag ) |
---|
1374 | { |
---|
1375 | while ( in->good() ) |
---|
1376 | { |
---|
1377 | int c = in->peek(); |
---|
1378 | if ( c == '<' ) |
---|
1379 | return; |
---|
1380 | if ( c <= 0 ) |
---|
1381 | { |
---|
1382 | TiXmlDocument* document = GetDocument(); |
---|
1383 | if ( document ) |
---|
1384 | document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
1385 | return; |
---|
1386 | } |
---|
1387 | |
---|
1388 | (*tag) += (char) c; |
---|
1389 | in->get(); |
---|
1390 | } |
---|
1391 | } |
---|
1392 | #endif |
---|
1393 | |
---|
1394 | const char* TiXmlText::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ) |
---|
1395 | { |
---|
1396 | value = ""; |
---|
1397 | // TiXmlParsingData data( p, prevData ); |
---|
1398 | if ( data ) |
---|
1399 | { |
---|
1400 | data->Stamp( p, encoding ); |
---|
1401 | location = data->Cursor(); |
---|
1402 | } |
---|
1403 | bool ignoreWhite = true; |
---|
1404 | |
---|
1405 | const char* end = "<"; |
---|
1406 | p = ReadText( p, &value, ignoreWhite, end, false, encoding ); |
---|
1407 | if ( p ) |
---|
1408 | return p-1; // don't truncate the '<' |
---|
1409 | return 0; |
---|
1410 | } |
---|
1411 | |
---|
1412 | #ifdef TIXML_USE_STL |
---|
1413 | void TiXmlDeclaration::StreamIn( TIXML_ISTREAM * in, TIXML_STRING * tag ) |
---|
1414 | { |
---|
1415 | while ( in->good() ) |
---|
1416 | { |
---|
1417 | int c = in->get(); |
---|
1418 | if ( c <= 0 ) |
---|
1419 | { |
---|
1420 | TiXmlDocument* document = GetDocument(); |
---|
1421 | if ( document ) |
---|
1422 | document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN ); |
---|
1423 | return; |
---|
1424 | } |
---|
1425 | (*tag) += (char) c; |
---|
1426 | |
---|
1427 | if ( c == '>' ) |
---|
1428 | { |
---|
1429 | // All is well. |
---|
1430 | return; |
---|
1431 | } |
---|
1432 | } |
---|
1433 | } |
---|
1434 | #endif |
---|
1435 | |
---|
1436 | const char* TiXmlDeclaration::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding _encoding ) |
---|
1437 | { |
---|
1438 | p = SkipWhiteSpace( p, _encoding ); |
---|
1439 | // Find the beginning, find the end, and look for |
---|
1440 | // the stuff in-between. |
---|
1441 | TiXmlDocument* document = GetDocument(); |
---|
1442 | if ( !p || !*p || !StringEqual( p, "<?xml", true, _encoding ) ) |
---|
1443 | { |
---|
1444 | if ( document ) document->SetError( TIXML_ERROR_PARSING_DECLARATION, 0, 0, _encoding ); |
---|
1445 | return 0; |
---|
1446 | } |
---|
1447 | // TiXmlParsingData data( p, prevData ); |
---|
1448 | if ( data ) |
---|
1449 | { |
---|
1450 | data->Stamp( p, _encoding ); |
---|
1451 | location = data->Cursor(); |
---|
1452 | } |
---|
1453 | p += 5; |
---|
1454 | |
---|
1455 | version = ""; |
---|
1456 | encoding = ""; |
---|
1457 | standalone = ""; |
---|
1458 | |
---|
1459 | while ( p && *p ) |
---|
1460 | { |
---|
1461 | if ( *p == '>' ) |
---|
1462 | { |
---|
1463 | ++p; |
---|
1464 | return p; |
---|
1465 | } |
---|
1466 | |
---|
1467 | p = SkipWhiteSpace( p, _encoding ); |
---|
1468 | if ( StringEqual( p, "version", true, _encoding ) ) |
---|
1469 | { |
---|
1470 | TiXmlAttribute attrib; |
---|
1471 | p = attrib.Parse( p, data, _encoding ); |
---|
1472 | version = attrib.Value(); |
---|
1473 | } |
---|
1474 | else if ( StringEqual( p, "encoding", true, _encoding ) ) |
---|
1475 | { |
---|
1476 | TiXmlAttribute attrib; |
---|
1477 | p = attrib.Parse( p, data, _encoding ); |
---|
1478 | encoding = attrib.Value(); |
---|
1479 | } |
---|
1480 | else if ( StringEqual( p, "standalone", true, _encoding ) ) |
---|
1481 | { |
---|
1482 | TiXmlAttribute attrib; |
---|
1483 | p = attrib.Parse( p, data, _encoding ); |
---|
1484 | standalone = attrib.Value(); |
---|
1485 | } |
---|
1486 | else |
---|
1487 | { |
---|
1488 | // Read over whatever it is. |
---|
1489 | while( p && *p && *p != '>' && !IsWhiteSpace( *p ) ) |
---|
1490 | ++p; |
---|
1491 | } |
---|
1492 | } |
---|
1493 | return 0; |
---|
1494 | } |
---|
1495 | |
---|
1496 | bool TiXmlText::Blank() const |
---|
1497 | { |
---|
1498 | for ( unsigned i=0; i<value.length(); i++ ) |
---|
1499 | if ( !IsWhiteSpace( value[i] ) ) |
---|
1500 | return false; |
---|
1501 | return true; |
---|
1502 | } |
---|
1503 | |
---|