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1 /* |
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2 * libxml2_error.c: module displaying/handling XML parser errors |
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3 * |
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4 * See Copyright for the status of this software. |
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5 * |
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6 * Daniel Veillard <daniel@veillard.com> |
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7 * Portion Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. |
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8 */ |
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9 |
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10 #define IN_LIBXML |
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11 #include "xmlenglibxml.h" |
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12 |
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13 #include <string.h> |
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14 #include <stdarg.h> |
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15 |
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16 #include <stdapis/libxml2/libxml2_globals.h> |
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17 #include "libxml2_xmlerror2.h" |
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18 |
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19 void xmlGenericErrorDefaultFunc (void *ctx ATTRIBUTE_UNUSED, |
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20 const char *msg, |
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21 ...); |
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22 |
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23 #define XML_GET_VAR_STR(msg, str) \ |
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24 { \ |
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25 int size; \ |
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26 int chars; \ |
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27 char *larger; \ |
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28 va_list ap; \ |
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29 \ |
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30 str = (char *) xmlMalloc(150); \ |
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31 if (str != NULL) \ |
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32 { \ |
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33 size = 150; \ |
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34 \ |
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35 while (1) \ |
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36 { \ |
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37 va_start(ap, msg); \ |
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38 chars = vsnprintf(str, size, msg, ap); \ |
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39 va_end(ap); \ |
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40 if ((chars > -1) && (chars < size)) \ |
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41 break; \ |
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42 \ |
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43 size += (chars > -1) ? chars + 1 : 100; \ |
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44 larger = (char*) xmlRealloc(str, size); \ |
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45 if (!larger) \ |
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46 break; \ |
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47 \ |
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48 str = larger; \ |
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49 } \ |
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50 } \ |
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51 } |
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52 |
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53 |
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54 /************************************************************************ |
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55 * * |
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56 * Handling of out of context errors * |
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57 * * |
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58 ************************************************************************/ |
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59 |
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60 /** |
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61 * xmlGenericErrorDefaultFunc: |
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62 * @param ctx an error context |
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63 * @param msg the message to display/transmit |
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64 * @param # extra parameters for the message display |
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65 * |
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66 * Default handler for out of context error messages. |
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67 */ |
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68 void |
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69 xmlGenericErrorDefaultFunc(void *ctx ATTRIBUTE_UNUSED, const char *msg, ...) { |
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70 |
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71 return; |
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72 } |
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73 |
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74 /** |
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75 * initGenericErrorDefaultFunc: |
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76 * @param handler the handler |
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77 * |
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78 * Set or reset (if NULL) the default handler for generic errors |
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79 * to the builtin error function. |
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80 */ |
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81 XMLPUBFUNEXPORT void |
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82 initGenericErrorDefaultFunc(xmlGenericErrorFunc * handler) |
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83 { |
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84 xmlGenericError = handler ? (*handler) : xmlGenericErrorDefaultFunc; |
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85 } |
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86 |
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87 /** |
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88 * xmlSetGenericErrorFunc: |
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89 * @param ctx the new error handling context |
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90 * @param handler the new handler function |
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91 * |
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92 * Function to reset the handler and the error context for out of |
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93 * context error messages. |
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94 * This simply means that handler will be called for subsequent |
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95 * error messages while not parsing nor validating. And ctx will |
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96 * be passed as first argument to handler |
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97 * One can simply force messages to be emitted to another FILE * than |
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98 * stderr by setting ctx to this file handle and handler to NULL. |
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99 */ |
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100 XMLPUBFUNEXPORT void |
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101 xmlSetGenericErrorFunc(void *ctx, xmlGenericErrorFunc handler) { |
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102 xmlGenericErrorContext = ctx; |
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103 xmlGenericError = handler ? handler : xmlGenericErrorDefaultFunc; |
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104 } |
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105 |
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106 /** |
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107 * xmlSetStructuredErrorFunc: |
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108 * @param ctx the new error handling context |
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109 * @param handler the new handler function |
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110 * |
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111 * Function to reset the handler and the error context for out of |
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112 * context structured error messages. |
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113 * This simply means that handler will be called for subsequent |
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114 * error messages while not parsing nor validating. And ctx will |
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115 * be passed as first argument to handler |
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116 */ |
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117 XMLPUBFUNEXPORT void |
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118 xmlSetStructuredErrorFunc(void *ctx, xmlStructuredErrorFunc handler) { |
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119 LOAD_GS_DIRECT |
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120 xmlGenericErrorContext = ctx; |
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121 xmlStructuredError = handler; |
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122 } |
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123 |
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124 /************************************************************************ |
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125 * * |
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126 * Handling of parsing errors * |
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127 * * |
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128 ************************************************************************/ |
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129 |
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130 /** |
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131 * xmlParserPrintFileInfo: |
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132 * @param input an xmlParserInputPtr input |
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133 * |
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134 * Displays the associated file and line informations for the current input |
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135 */ |
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136 |
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137 XMLPUBFUNEXPORT void |
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138 xmlParserPrintFileInfo(xmlParserInputPtr input) { |
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139 if (input) { |
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140 xmlGenericError( |
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141 xmlGenericErrorContext, |
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142 "%s: line %d: ", |
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143 (input->filename ? input->filename : "Entity [no file name]"), |
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144 input->line); |
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145 } |
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146 } |
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147 |
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148 /** |
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149 * xmlParserPrintFileContext: |
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150 * @param input an xmlParserInputPtr input |
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151 * |
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152 * Displays current context within the input content for error tracking |
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153 */ |
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154 |
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155 static void |
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156 xmlParserPrintFileContextInternal(xmlParserInputPtr input , |
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157 xmlGenericErrorFunc channel, void *data ) { |
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158 const xmlChar *cur, *base; |
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159 unsigned int n, col; /* GCC warns if signed, because compared with sizeof() */ |
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160 xmlChar content[81]; /* space for 80 chars + line terminator */ |
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161 xmlChar *ctnt; |
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162 |
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163 if (input == NULL) return; |
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164 cur = input->cur; |
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165 base = input->base; |
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166 /* skip backwards over any end-of-lines */ |
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167 while ((cur > base) && ((*(cur) == '\n') || (*(cur) == '\r'))) { |
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168 cur--; |
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169 } |
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170 n = 0; |
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171 /* search backwards for beginning-of-line (to max buff size) */ |
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172 while ((n++ < (sizeof(content)-1)) && (cur > base) && |
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173 (*(cur) != '\n') && (*(cur) != '\r')) |
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174 cur--; |
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175 if ((*(cur) == '\n') || (*(cur) == '\r')) cur++; |
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176 /* calculate the error position in terms of the current position */ |
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177 col = input->cur - cur; |
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178 /* search forward for end-of-line (to max buff size) */ |
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179 n = 0; |
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180 ctnt = content; |
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181 /* copy selected text to our buffer */ |
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182 while ((*cur != 0) && (*(cur) != '\n') && |
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183 (*(cur) != '\r') && (n < sizeof(content)-1)) { |
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184 *ctnt++ = *cur++; |
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185 n++; |
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186 } |
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187 *ctnt = 0; |
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188 /* print out the selected text */ |
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189 channel(data ,"%s\n", content); |
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190 /* create blank line with problem pointer */ |
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191 n = 0; |
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192 ctnt = content; |
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193 /* (leave buffer space for pointer + line terminator) */ |
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194 while ((n<col) && (n++ < sizeof(content)-2) && (*ctnt != 0)) { |
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195 if (*(ctnt) != '\t') |
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196 *(ctnt) = ' '; |
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197 ctnt++; |
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198 } |
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199 *ctnt++ = '^'; |
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200 *ctnt = 0; |
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201 channel(data ,"%s\n", content); |
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202 } |
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203 |
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204 /** |
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205 * xmlParserPrintFileContext: |
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206 * @param input an xmlParserInputPtr input |
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207 * |
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208 * Displays current context within the input content for error tracking |
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209 */ |
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210 XMLPUBFUNEXPORT void |
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211 xmlParserPrintFileContext(xmlParserInputPtr input) { |
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212 xmlParserPrintFileContextInternal(input, xmlGenericError, |
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213 xmlGenericErrorContext); |
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214 } |
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215 |
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216 |
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217 /** |
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218 * xmlReportError: |
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219 * @param err the error |
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220 * @param ctx the parser context or NULL |
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221 * @param str the formatted error message |
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222 * |
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223 * Report an erro with its context, replace the 4 old error/warning |
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224 * routines. |
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225 */ |
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226 static void |
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227 xmlReportError(xmlErrorPtr err, xmlParserCtxtPtr ctxt, const char *str, |
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228 xmlGenericErrorFunc channel, void *data) |
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229 { |
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230 char *file = NULL; |
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231 int line = 0; |
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232 int code = -1; |
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233 int domain; |
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234 const xmlChar *name = NULL; |
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235 xmlNodePtr node; |
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236 xmlErrorLevel level; |
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237 xmlParserInputPtr input = NULL; |
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238 xmlParserInputPtr cur = NULL; |
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239 |
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240 if (err == NULL) |
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241 return; |
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242 |
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243 if (channel == NULL) { |
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244 channel = xmlGenericError; |
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245 data = xmlGenericErrorContext; |
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246 } |
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247 file = err->file; |
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248 #ifdef LIBXML_ENABLE_NODE_LINEINFO |
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249 line = err->line; |
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250 #endif |
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251 code = err->code; |
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252 domain = err->domain; |
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253 level = err->level; |
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254 node = (xmlNodePtr)err->node; |
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255 |
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256 if (code == XML_ERR_OK) |
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257 return; |
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258 |
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259 if ((node != NULL) && (node->type == XML_ELEMENT_NODE)) |
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260 name = node->name; |
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261 |
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262 /* |
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263 * Maintain the compatibility with the legacy error handling |
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264 */ |
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265 if (ctxt != NULL) { |
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266 input = ctxt->input; |
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267 if ((input != NULL) && (input->filename == NULL) && |
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268 (ctxt->inputNr > 1)) { |
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269 cur = input; |
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270 input = ctxt->inputTab[ctxt->inputNr - 2]; |
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271 } |
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272 if (input != NULL) { |
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273 if (input->filename) |
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274 channel(data, "%s:%d: ", input->filename, input->line); |
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275 else if ((line != 0) && (domain == XML_FROM_PARSER)) |
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276 channel(data, "Entity: line %d: ", input->line); |
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277 } |
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278 } else { |
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279 if (file != NULL) |
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280 channel(data, "%s:%d: ", file, line); |
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281 else if ((line != 0) && (domain == XML_FROM_PARSER)) |
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282 channel(data, "Entity: line %d: ", line); |
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283 } |
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284 if (name != NULL) { |
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285 channel(data, "element %s: ", name); |
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286 } |
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287 if (code == XML_ERR_OK) |
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288 return; |
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289 switch (domain) { |
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290 case XML_FROM_PARSER: |
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291 channel(data, "parser "); |
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292 break; |
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293 case XML_FROM_NAMESPACE: |
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294 channel(data, "namespace "); |
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295 break; |
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296 case XML_FROM_DTD: |
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297 case XML_FROM_VALID: |
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298 channel(data, "validity "); |
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299 break; |
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300 case XML_FROM_HTML: |
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301 channel(data, "HTML parser "); |
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302 break; |
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303 case XML_FROM_MEMORY: |
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304 channel(data, "memory "); |
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305 break; |
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306 case XML_FROM_OUTPUT: |
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307 channel(data, "output "); |
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308 break; |
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309 case XML_FROM_IO: |
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310 channel(data, "I/O "); |
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311 break; |
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312 case XML_FROM_XINCLUDE: |
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313 channel(data, "XInclude "); |
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314 break; |
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315 case XML_FROM_XPATH: |
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316 channel(data, "XPath "); |
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317 break; |
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318 case XML_FROM_XPOINTER: |
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319 channel(data, "parser "); |
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320 break; |
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321 case XML_FROM_REGEXP: |
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322 channel(data, "regexp "); |
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323 break; |
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324 case XML_FROM_SCHEMASV: |
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325 channel(data, "Schemas validity "); |
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326 break; |
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327 case XML_FROM_SCHEMASP: |
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328 channel(data, "Schemas parser "); |
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329 break; |
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330 case XML_FROM_RELAXNGP: |
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331 channel(data, "Relax-NG parser "); |
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332 break; |
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333 case XML_FROM_RELAXNGV: |
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334 channel(data, "Relax-NG validity "); |
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335 break; |
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336 case XML_FROM_CATALOG: |
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337 channel(data, "Catalog "); |
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338 break; |
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339 case XML_FROM_C14N: |
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340 channel(data, "C14N "); |
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341 break; |
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342 case XML_FROM_XSLT: |
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343 channel(data, "XSLT "); |
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344 break; |
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345 default: |
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346 break; |
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347 } |
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348 if (code == XML_ERR_OK) |
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349 return; |
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350 switch (level) { |
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351 case XML_ERR_NONE: |
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352 channel(data, ": "); |
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353 break; |
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354 case XML_ERR_WARNING: |
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355 channel(data, "warning : "); |
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356 break; |
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357 case XML_ERR_ERROR: |
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358 channel(data, "error : "); |
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359 break; |
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360 case XML_ERR_FATAL: |
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361 channel(data, "error : "); |
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362 break; |
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363 } |
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364 if (code == XML_ERR_OK) |
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365 return; |
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366 if (str != NULL) { |
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367 int len; |
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368 len = xmlStrlen((const xmlChar *)str); |
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369 if ((len > 0) && (str[len - 1] != '\n')) |
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370 channel(data, "%s\n", str); |
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371 else |
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372 channel(data, "%s", str); |
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373 } else { |
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374 channel(data, "%s\n", "out of memory error"); |
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375 } |
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376 if (code == XML_ERR_OK) |
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377 return; |
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378 |
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379 if (ctxt != NULL) { |
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380 xmlParserPrintFileContextInternal(input, channel, data); |
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381 if (cur != NULL) { |
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382 if (cur->filename) |
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383 channel(data, "%s:%d: \n", cur->filename, cur->line); |
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384 else if ((line != 0) && (domain == XML_FROM_PARSER)) |
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385 channel(data, "Entity: line %d: \n", cur->line); |
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386 xmlParserPrintFileContextInternal(cur, channel, data); |
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387 } |
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388 } |
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389 if ((domain == XML_FROM_XPATH) && |
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390 (err->str1 != NULL) && |
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391 (err->int1 < 100) && |
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392 (err->int1 < xmlStrlen((const xmlChar *)err->str1))) |
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393 { |
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394 |
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395 xmlChar buf[150]; |
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396 int i; |
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397 |
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398 channel(data, "%s\n", err->str1); |
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399 for (i=0;i < err->int1;i++) |
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400 buf[i] = ' '; |
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401 buf[i++] = '^'; |
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402 buf[i] = 0; |
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403 channel(data, "%s\n", buf); |
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404 } |
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405 } |
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406 |
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407 /** |
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408 * __xmlRaiseError: |
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409 * @param schannel the structured callback channel |
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410 * @param channel the old callback channel |
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411 * @param data the callback data |
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412 * @param ctx the parser context or NULL |
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413 * @param ctx the parser context or NULL |
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414 * @param domain the domain for the error |
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415 * @param code the code for the error |
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416 * @param level the xmlErrorLevel for the error |
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417 * @param file the file source of the error (or NULL) |
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418 * @param line the line of the error or 0 if N/A |
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419 * @param str1 extra string info |
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420 * @param str2 extra string info |
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421 * @param str3 extra string info |
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422 * @param int1 extra int info |
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423 * @param int2 extra int info |
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424 * @param msg the message to display/transmit |
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425 * @param # extra parameters for the message display |
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426 * |
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427 * Update the appropriate global or contextual error structure, |
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428 * then forward the error message down the parser or generic |
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429 * error callback handler |
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430 */ |
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431 void |
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432 __xmlRaiseError(xmlStructuredErrorFunc schannel, |
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433 xmlGenericErrorFunc channel, void *data, void *ctx, |
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434 void *nod, int domain, int code, xmlErrorLevel level, |
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435 const char *file, int line, const char *str1, |
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436 const char *str2, const char *str3, int int1, int int2, |
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437 const char *msg, ...) |
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438 { |
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439 LOAD_GS_DIRECT |
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440 xmlParserCtxtPtr ctxt = NULL; |
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441 xmlNodePtr node = (xmlNodePtr) nod; |
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442 char *str = NULL; |
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443 xmlParserInputPtr input = NULL; |
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444 xmlErrorPtr to = &xmlLastError; |
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445 xmlChar *base = NULL; |
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446 int wasOOM = (code == XML_ERR_NO_MEMORY); |
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447 |
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448 // Check, whether we must ignore warnings |
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449 if (!xmlGetWarningsDefaultValue && (level == XML_ERR_WARNING)) |
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450 return; |
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451 |
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452 if ((domain == XML_FROM_PARSER) || |
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453 (domain == XML_FROM_HTML) || |
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454 (domain == XML_FROM_DTD) || |
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455 (domain == XML_FROM_NAMESPACE) || |
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456 (domain == XML_FROM_IO)) |
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457 { |
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458 ctxt = (xmlParserCtxtPtr) ctx; |
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459 if ((schannel == NULL) && (ctxt != NULL) && |
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460 (ctxt->sax != NULL)&& (ctxt->sax->initialized == XML_SAX2_MAGIC)) |
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461 schannel = ctxt->sax->serror; |
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462 } |
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463 if (schannel == NULL) |
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464 schannel = xmlStructuredError; |
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465 if ((domain == XML_FROM_VALID) && |
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466 ((channel == xmlParserValidityError) || (channel == xmlParserValidityWarning))) |
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467 { |
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468 ctxt = (xmlParserCtxtPtr) ctx; |
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469 if ((schannel == NULL) && |
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470 (ctxt != NULL) && |
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471 (ctxt->sax != NULL) && |
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472 (ctxt->sax->initialized == XML_SAX2_MAGIC)) |
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473 { |
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474 schannel = ctxt->sax->serror; |
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475 } |
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476 } |
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477 if (code == XML_ERR_OK) |
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478 return; |
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479 |
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480 /* |
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481 * Formatting the message |
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482 */ |
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483 #ifndef XMLENGINE_EXCLUDE_EMBED_MSG |
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484 if (msg == NULL || wasOOM) { |
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485 #else |
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486 if (msg == NULL || msg == __embedded_errtxt_replacement || wasOOM) { |
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487 #endif |
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488 // DONE: do not copy if it was OOM |
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489 str = (code == XML_ERR_NO_MEMORY) ? NULL : (char *) xmlStrdup(BAD_CAST "No error message provided"); |
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490 str1 = str2 = str3 = NULL; |
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491 } else { |
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492 //XML_GET_VAR_STR(msg, str); //this causes panic when OOM |
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493 str = (char *) xmlStrdup(BAD_CAST msg); // NOTE: message is not filled with data from variable list |
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494 } |
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495 /* |
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496 * specific processing if a parser context is provided |
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497 */ |
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498 if (ctxt != NULL) { |
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499 if (file == NULL) { |
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500 input = ctxt->input; |
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501 if ((input != NULL) && |
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502 (input->filename == NULL) && |
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503 (ctxt->inputNr > 1)) |
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504 { |
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505 input = ctxt->inputTab[ctxt->inputNr - 2]; |
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506 } |
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507 if (input != NULL) { |
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508 file = input->filename; |
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509 line = input->line; |
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510 } |
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511 } |
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512 to = &ctxt->lastError; |
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513 } else if ((node != NULL) && (file == NULL)) { |
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514 |
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515 if(!wasOOM) |
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516 { |
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517 int i; |
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518 |
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519 if ((node->doc != NULL) && (node->doc->URL != NULL)) |
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520 base = xmlStrdup(node->doc->URL); |
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521 for (i = 0; |
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522 ((i < 10) && (node != NULL) && (node->type != XML_ELEMENT_NODE)); |
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523 i++) |
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524 { |
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525 node = node->parent; |
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526 } |
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527 if (!base && node && node->doc && node->doc->URL) |
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528 { |
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529 base = xmlStrdup(node->doc->URL); |
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530 } |
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531 } |
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532 #ifdef LIBXML_ENABLE_NODE_LINEINFO |
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533 if ((node != NULL) && (node->type == XML_ELEMENT_NODE)) |
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534 line = node->line; |
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535 #endif |
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536 } |
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537 /* |
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538 * Save the information about the error |
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539 */ |
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540 xmlResetError(to); |
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541 to->domain = domain; |
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542 to->code = code; |
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543 to->message = str; |
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544 to->level = level; |
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545 if (file && !wasOOM) |
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546 to->file = (char *) xmlStrdup((const xmlChar *) file); |
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547 else if (base != NULL) { |
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548 to->file = (char *) base; |
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549 file = (char *) base; |
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550 } |
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551 |
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552 #ifdef LIBXML_ENABLE_NODE_LINEINFO |
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553 to->line = line; |
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554 #endif |
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555 |
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556 if(!wasOOM) |
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557 { |
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558 if (str1) |
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559 to->str1 = (char *) xmlStrdup((const xmlChar *) str1); |
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560 if (str2) |
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561 to->str2 = (char *) xmlStrdup((const xmlChar *) str2); |
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562 if (str3) |
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563 to->str3 = (char *) xmlStrdup((const xmlChar *) str3); |
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564 } |
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565 to->int1 = int1; |
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566 to->int2 = int2; |
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567 to->node = node; |
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568 to->ctxt = ctx; |
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569 |
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570 if (to != &xmlLastError) { |
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571 xmlResetError(&xmlLastError); |
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572 xmlCopyError(to,&xmlLastError); // NOTE: xmlCopyError checks error code whether it is OOM |
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573 } |
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574 |
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575 /* |
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576 * Find the callback channel. |
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577 */ |
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578 if ((ctxt != NULL) && |
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579 (channel == NULL) && |
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580 (xmlStructuredError == NULL)) |
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581 { |
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582 if (level == XML_ERR_WARNING) |
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583 channel = ctxt->sax->warning; |
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584 else |
|
585 channel = ctxt->sax->error; |
|
586 data = ctxt->userData; |
|
587 } else { |
|
588 if (channel == NULL) { |
|
589 if (xmlStructuredError != NULL) |
|
590 schannel = xmlStructuredError; |
|
591 else |
|
592 channel = xmlGenericError; |
|
593 data = xmlGenericErrorContext; |
|
594 } |
|
595 } |
|
596 // <--- At this point we have error structure "to" ready |
|
597 // Implement Symbian logging if there is need to log errors (apply filtering by error codes and severity) |
|
598 // |
|
599 if (schannel != NULL) { |
|
600 schannel(data, to); |
|
601 return; |
|
602 } |
|
603 if (channel == NULL) |
|
604 return; |
|
605 |
|
606 if ((channel == xmlParserError) || |
|
607 (channel == xmlParserWarning) || |
|
608 (channel == xmlParserValidityError) || |
|
609 (channel == xmlParserValidityWarning)) |
|
610 { |
|
611 xmlReportError(to, ctxt, str, NULL, NULL); |
|
612 } |
|
613 else |
|
614 { |
|
615 if ((channel == (xmlGenericErrorFunc) fprintf) || |
|
616 (channel == xmlGenericErrorDefaultFunc)) |
|
617 xmlReportError(to, ctxt, str, channel, data); |
|
618 else |
|
619 channel(data, "%s", str); |
|
620 } |
|
621 } |
|
622 |
|
623 /** |
|
624 * __xmlSimpleError: |
|
625 * @param domain where the error comes from |
|
626 * @param code the error code |
|
627 * @param node the context node |
|
628 * @param extra extra informations |
|
629 * |
|
630 * Handle an out of memory condition |
|
631 */ |
|
632 void |
|
633 __xmlSimpleError(int domain, int code, xmlNodePtr node, |
|
634 const char *msg, const char *extra) |
|
635 { |
|
636 // DONE: OPTIMIZE: Combine all 3 calls into one |
|
637 /* |
|
638 if (code == XML_ERR_NO_MEMORY) { |
|
639 if (extra) |
|
640 __xmlRaiseError(NULL, NULL, NULL, NULL, node, domain, |
|
641 XML_ERR_NO_MEMORY, XML_ERR_FATAL, NULL, 0, extra, |
|
642 NULL, NULL, 0, 0, |
|
643 EMBED_ERRTXT("Memory allocation failed : %s\n"), extra); |
|
644 else |
|
645 __xmlRaiseError(NULL, NULL, NULL, NULL, node, domain, |
|
646 XML_ERR_NO_MEMORY, XML_ERR_FATAL, NULL, 0, NULL, |
|
647 NULL, NULL, 0, 0, EMBED_ERRTXT("Memory allocation failed\n")); |
|
648 } else { |
|
649 __xmlRaiseError(NULL, NULL, NULL, NULL, node, domain, |
|
650 code, XML_ERR_ERROR, NULL, 0, extra, |
|
651 NULL, NULL, 0, 0, msg, extra); |
|
652 } |
|
653 */ |
|
654 if (code == XML_ERR_NO_MEMORY) |
|
655 { |
|
656 msg = EMBED_ERRTXT("Memory allocation failed : %s\n"); |
|
657 if (!extra) |
|
658 extra = EMBED_ERRTXT("[location unspecified]"); |
|
659 } |
|
660 __xmlRaiseError(NULL, NULL, NULL, NULL, node, domain, |
|
661 code, XML_ERR_ERROR, NULL, 0, extra, |
|
662 NULL, NULL, 0, 0, msg, extra); |
|
663 } |
|
664 |
|
665 /** |
|
666 * xmlParserError: |
|
667 * @param ctx an XML parser context |
|
668 * @param msg the message to display/transmit |
|
669 * @param # extra parameters for the message display |
|
670 * |
|
671 * Display and format an error messages, gives file, line, position and |
|
672 * extra parameters. |
|
673 */ |
|
674 XMLPUBFUNEXPORT void |
|
675 xmlParserError(void *ctx, const char *msg, ...) |
|
676 { |
|
677 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; |
|
678 xmlParserInputPtr input = NULL; |
|
679 xmlParserInputPtr cur = NULL; |
|
680 LOAD_GS_SAFE_CTXT(ctxt) |
|
681 |
|
682 if (ctxt) { |
|
683 input = ctxt->input; |
|
684 if (input && !input->filename && (ctxt->inputNr > 1)) |
|
685 { |
|
686 cur = input; |
|
687 input = ctxt->inputTab[ctxt->inputNr - 2]; |
|
688 } |
|
689 xmlParserPrintFileInfo(input); |
|
690 } |
|
691 |
|
692 if(OOM_FLAG){ |
|
693 xmlGenericError(xmlGenericErrorContext, "error: [in OOM!] %s", msg); |
|
694 } else { |
|
695 char* str; |
|
696 xmlGenericError(xmlGenericErrorContext, "error: "); |
|
697 XML_GET_VAR_STR(msg, str); |
|
698 xmlGenericError(xmlGenericErrorContext, "%s", str); |
|
699 if (str) |
|
700 xmlFree(str); |
|
701 } |
|
702 |
|
703 if (ctxt) { |
|
704 xmlParserPrintFileContext(input); |
|
705 if (cur) { |
|
706 xmlParserPrintFileInfo(cur); |
|
707 xmlGenericError(xmlGenericErrorContext, "\n"); |
|
708 xmlParserPrintFileContext(cur); |
|
709 } |
|
710 } |
|
711 } |
|
712 |
|
713 /** |
|
714 * xmlParserWarning: |
|
715 * @param ctx an XML parser context |
|
716 * @param msg the message to display/transmit |
|
717 * @param # extra parameters for the message display |
|
718 * |
|
719 * Display and format a warning messages, gives file, line, position and |
|
720 * extra parameters. |
|
721 */ |
|
722 XMLPUBFUNEXPORT void |
|
723 xmlParserWarning(void *ctx, const char *msg, ...) |
|
724 { |
|
725 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; |
|
726 xmlParserInputPtr input = NULL; |
|
727 xmlParserInputPtr cur = NULL; |
|
728 LOAD_GS_SAFE_CTXT(ctxt) |
|
729 |
|
730 if (ctxt != NULL) { |
|
731 input = ctxt->input; |
|
732 if (input && !input->filename && (ctxt->inputNr > 1)) { |
|
733 cur = input; |
|
734 input = ctxt->inputTab[ctxt->inputNr - 2]; |
|
735 } |
|
736 xmlParserPrintFileInfo(input); |
|
737 } |
|
738 |
|
739 if(OOM_FLAG){ |
|
740 xmlGenericError(xmlGenericErrorContext, "warning: [in OOM!] %s", msg); |
|
741 } else { |
|
742 char* str; |
|
743 xmlGenericError(xmlGenericErrorContext, EMBED_ERRTXT("warning: ")); |
|
744 XML_GET_VAR_STR(msg, str); |
|
745 xmlGenericError(xmlGenericErrorContext, "%s", str); |
|
746 if (str != NULL) |
|
747 xmlFree(str); |
|
748 } |
|
749 |
|
750 if (ctxt) { |
|
751 xmlParserPrintFileContext(input); |
|
752 if (cur) { |
|
753 xmlParserPrintFileInfo(cur); |
|
754 xmlGenericError(xmlGenericErrorContext, "\n"); |
|
755 xmlParserPrintFileContext(cur); |
|
756 } |
|
757 } |
|
758 } |
|
759 |
|
760 /************************************************************************ |
|
761 * * |
|
762 * Handling of validation errors * |
|
763 * * |
|
764 ************************************************************************/ |
|
765 |
|
766 /** |
|
767 * xmlParserValidityError: |
|
768 * @param ctx an XML parser context |
|
769 * @param msg the message to display/transmit |
|
770 * @param # extra parameters for the message display |
|
771 * |
|
772 * Display and format an validity error messages, gives file, |
|
773 * line, position and extra parameters. |
|
774 */ |
|
775 XMLPUBFUNEXPORT void |
|
776 xmlParserValidityError(void *ctx, const char *msg, ...) |
|
777 { |
|
778 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; |
|
779 xmlParserInputPtr input = NULL; |
|
780 |
|
781 int len = xmlStrlen((const xmlChar *) msg); |
|
782 LOAD_GS_SAFE_CTXT(ctxt) |
|
783 |
|
784 if ((len > 1) && (msg[len - 2] != ':')) { |
|
785 if (ctxt != NULL) { |
|
786 input = ctxt->input; |
|
787 if ((input->filename == NULL) && (ctxt->inputNr > 1)) |
|
788 input = ctxt->inputTab[ctxt->inputNr - 2]; |
|
789 |
|
790 if (had_info == 0) { |
|
791 xmlParserPrintFileInfo(input); |
|
792 } |
|
793 } |
|
794 xmlGenericError(xmlGenericErrorContext, EMBED_ERRTXT("validity error: ")); |
|
795 had_info = 0; |
|
796 } else { |
|
797 had_info = 1; |
|
798 } |
|
799 |
|
800 if(OOM_FLAG){ |
|
801 xmlGenericError(xmlGenericErrorContext, "validity error: [in OOM!] %s", msg); |
|
802 } else { |
|
803 char* str; |
|
804 XML_GET_VAR_STR(msg, str); |
|
805 xmlGenericError(xmlGenericErrorContext, "%s", str); |
|
806 if (str) |
|
807 xmlFree(str); |
|
808 } |
|
809 |
|
810 if (ctxt && input) { |
|
811 xmlParserPrintFileContext(input); |
|
812 } |
|
813 } |
|
814 |
|
815 /** |
|
816 * xmlParserValidityWarning: |
|
817 * @param ctx an XML parser context |
|
818 * @param msg the message to display/transmit |
|
819 * @param # extra parameters for the message display |
|
820 * |
|
821 * Display and format a validity warning messages, gives file, line, |
|
822 * position and extra parameters. |
|
823 */ |
|
824 XMLPUBFUNEXPORT void |
|
825 xmlParserValidityWarning(void *ctx, const char *msg, ...) |
|
826 { |
|
827 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; |
|
828 xmlParserInputPtr input = NULL; |
|
829 int len = xmlStrlen((const xmlChar *) msg); |
|
830 LOAD_GS_SAFE_CTXT(ctxt) |
|
831 |
|
832 if (ctxt && (len != 0) && (msg[len - 1] != ':')) |
|
833 { |
|
834 input = ctxt->input; |
|
835 if ((input->filename == NULL) && (ctxt->inputNr > 1)) |
|
836 input = ctxt->inputTab[ctxt->inputNr - 2]; |
|
837 |
|
838 xmlParserPrintFileInfo(input); |
|
839 } |
|
840 |
|
841 if(OOM_FLAG){ |
|
842 xmlGenericError(xmlGenericErrorContext, "validity warning: [in OOM!] %s", msg); |
|
843 } else { |
|
844 char* str; |
|
845 xmlGenericError(xmlGenericErrorContext, EMBED_ERRTXT("warning: ")); |
|
846 XML_GET_VAR_STR(msg, str); |
|
847 xmlGenericError(xmlGenericErrorContext, "%s", str); |
|
848 if (str) |
|
849 xmlFree(str); |
|
850 } |
|
851 |
|
852 if (ctxt) { |
|
853 xmlParserPrintFileContext(input); |
|
854 } |
|
855 } |
|
856 |
|
857 |
|
858 /************************************************************************ |
|
859 * * |
|
860 * Extended Error Handling * |
|
861 * * |
|
862 ************************************************************************/ |
|
863 |
|
864 /** |
|
865 * xmlGetLastError: |
|
866 * |
|
867 * Get the last global error registered. This is per thread if compiled |
|
868 * with thread support. |
|
869 * |
|
870 * Returns NULL if no error occured or a pointer to the error |
|
871 */ |
|
872 XMLPUBFUNEXPORT xmlErrorPtr |
|
873 xmlGetLastError(void) |
|
874 { |
|
875 LOAD_GS_DIRECT |
|
876 if (xmlLastError.code == XML_ERR_OK) |
|
877 return (NULL); |
|
878 return (&xmlLastError); |
|
879 } |
|
880 |
|
881 /** |
|
882 * xmlResetError: |
|
883 * @param err pointer to the error. |
|
884 * |
|
885 * Cleanup the error. |
|
886 * |
|
887 * OOM: never |
|
888 */ |
|
889 XMLPUBFUNEXPORT void |
|
890 xmlResetError(xmlErrorPtr err) |
|
891 { |
|
892 if (err == NULL) |
|
893 return; |
|
894 if (err->code == XML_ERR_OK) |
|
895 return; |
|
896 if (err->message != NULL) |
|
897 xmlFree(err->message); |
|
898 if (err->file != NULL) |
|
899 xmlFree(err->file); |
|
900 if (err->str1 != NULL) |
|
901 xmlFree(err->str1); |
|
902 if (err->str2 != NULL) |
|
903 xmlFree(err->str2); |
|
904 if (err->str3 != NULL) |
|
905 xmlFree(err->str3); |
|
906 memset(err, 0, sizeof(xmlError)); |
|
907 err->code = XML_ERR_OK; |
|
908 } |
|
909 |
|
910 /** |
|
911 * xmlResetLastError: |
|
912 * |
|
913 * Cleanup the last global error registered. For parsing error |
|
914 * this does not change the well-formedness result. |
|
915 * |
|
916 * OOM: never |
|
917 */ |
|
918 XMLPUBFUNEXPORT void |
|
919 xmlResetLastError(void) |
|
920 { |
|
921 LOAD_GS_DIRECT |
|
922 if (xmlLastError.code == XML_ERR_OK) |
|
923 return; |
|
924 xmlResetError(&xmlLastError); |
|
925 } |
|
926 |
|
927 /** |
|
928 * xmlCtxtGetLastError: |
|
929 * @param ctx an XML parser context |
|
930 * |
|
931 * Get the last parsing error registered. |
|
932 * |
|
933 * Returns NULL if no error occured or a pointer to the error |
|
934 */ |
|
935 XMLPUBFUNEXPORT xmlErrorPtr |
|
936 xmlCtxtGetLastError(void *ctx) |
|
937 { |
|
938 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; |
|
939 |
|
940 if (ctxt == NULL) |
|
941 return (NULL); |
|
942 if (ctxt->lastError.code == XML_ERR_OK) |
|
943 return (NULL); |
|
944 return (&ctxt->lastError); |
|
945 } |
|
946 |
|
947 /** |
|
948 * xmlCtxtResetLastError: |
|
949 * @param ctx an XML parser context |
|
950 * |
|
951 * Cleanup the last global error registered. For parsing error |
|
952 * this does not change the well-formedness result. |
|
953 */ |
|
954 XMLPUBFUNEXPORT void |
|
955 xmlCtxtResetLastError(void *ctx) |
|
956 { |
|
957 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; |
|
958 |
|
959 if (ctxt == NULL) |
|
960 return; |
|
961 if (ctxt->lastError.code == XML_ERR_OK) |
|
962 return; |
|
963 xmlResetError(&ctxt->lastError); |
|
964 } |
|
965 |
|
966 /** |
|
967 * xmlCopyError: |
|
968 * @param from a source error |
|
969 * @param to a target error |
|
970 * |
|
971 * Save the original error to the new place. |
|
972 * |
|
973 * Returns 0 in case of success and -1 in case of error. |
|
974 */ |
|
975 XMLPUBFUNEXPORT int |
|
976 xmlCopyError(xmlErrorPtr from, xmlErrorPtr to) { |
|
977 if ((from == NULL) || (to == NULL)) |
|
978 return(-1); |
|
979 if (to->message != NULL) |
|
980 xmlFree(to->message); |
|
981 if (to->file != NULL) |
|
982 xmlFree(to->file); |
|
983 if (to->str1 != NULL) |
|
984 xmlFree(to->str1); |
|
985 if (to->str2 != NULL) |
|
986 xmlFree(to->str2); |
|
987 if (to->str3 != NULL) |
|
988 xmlFree(to->str3); |
|
989 to->domain = from->domain; |
|
990 to->code = from->code; |
|
991 to->level = from->level; |
|
992 #ifdef LIBXML_ENABLE_NODE_LINEINFO |
|
993 to->line = from->line; |
|
994 #endif |
|
995 to->node = from->node; |
|
996 to->int1 = from->int1; |
|
997 to->int2 = from->int2; |
|
998 to->node = from->node; |
|
999 to->ctxt = from->ctxt; |
|
1000 |
|
1001 // Do not try to allocate memory during OOM handling! |
|
1002 if(from->code != XML_ERR_NO_MEMORY) |
|
1003 { |
|
1004 if (from->message != NULL) |
|
1005 to->message = (char *) xmlStrdup((xmlChar *) from->message); |
|
1006 else |
|
1007 to->message = NULL; |
|
1008 if (from->file != NULL) |
|
1009 to->file = (char *) xmlStrdup((xmlChar *) from->file); |
|
1010 else |
|
1011 to->file = NULL; |
|
1012 if (from->str1 != NULL) |
|
1013 to->str1 = (char *) xmlStrdup((xmlChar *) from->str1); |
|
1014 else |
|
1015 to->str1 = NULL; |
|
1016 if (from->str2 != NULL) |
|
1017 to->str2 = (char *) xmlStrdup((xmlChar *) from->str2); |
|
1018 else |
|
1019 to->str2 = NULL; |
|
1020 if (from->str3 != NULL) |
|
1021 to->str3 = (char *) xmlStrdup((xmlChar *) from->str3); |
|
1022 else |
|
1023 to->str3 = NULL; |
|
1024 } |
|
1025 return(0); |
|
1026 } |
|
1027 |
|
1028 |