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| 1 #define IN_LIBEXSLT | |
| 2 #include "libexslt/libexslt.h" | |
| 3 | |
| 4 #if defined(WIN32) && !defined (__CYGWIN__) && (!__MINGW32__) | |
| 5 #include <win32config.h> | |
| 6 #else | |
| 7 #include "config.h" | |
| 8 #endif | |
| 9 | |
| 10 #include <libxml/tree.h> | |
| 11 #include <libxml/xpath.h> | |
| 12 #include <libxml/xpathInternals.h> | |
| 13 | |
| 14 #include <libxslt/xsltutils.h> | |
| 15 #include <libxslt/xsltInternals.h> | |
| 16 #include <libxslt/extensions.h> | |
| 17 | |
| 18 #include "exslt.h" | |
| 19 | |
| 20 /** | |
| 21 * exsltSetsDifferenceFunction: | |
| 22 * @ctxt: an XPath parser context | |
| 23 * @nargs: the number of arguments | |
| 24 * | |
| 25 * Wraps #xmlXPathDifference for use by the XPath processor | |
| 26 */ | |
| 27 static void | |
| 28 exsltSetsDifferenceFunction (xmlXPathParserContextPtr ctxt, int nargs) { | |
| 29 xmlNodeSetPtr arg1, arg2, ret; | |
| 30 | |
| 31 if (nargs != 2) { | |
| 32 xmlXPathSetArityError(ctxt); | |
| 33 return; | |
| 34 } | |
| 35 | |
| 36 arg2 = xmlXPathPopNodeSet(ctxt); | |
| 37 if (xmlXPathCheckError(ctxt)) { | |
| 38 xmlXPathSetTypeError(ctxt); | |
| 39 return; | |
| 40 } | |
| 41 | |
| 42 arg1 = xmlXPathPopNodeSet(ctxt); | |
| 43 if (xmlXPathCheckError(ctxt)) { | |
| 44 xmlXPathSetTypeError(ctxt); | |
| 45 return; | |
| 46 } | |
| 47 | |
| 48 ret = xmlXPathDifference(arg1, arg2); | |
| 49 | |
| 50 if (ret != arg1) | |
| 51 xmlXPathFreeNodeSet(arg1); | |
| 52 xmlXPathFreeNodeSet(arg2); | |
| 53 | |
| 54 xmlXPathReturnNodeSet(ctxt, ret); | |
| 55 } | |
| 56 | |
| 57 /** | |
| 58 * exsltSetsIntersectionFunction: | |
| 59 * @ctxt: an XPath parser context | |
| 60 * @nargs: the number of arguments | |
| 61 * | |
| 62 * Wraps #xmlXPathIntersection for use by the XPath processor | |
| 63 */ | |
| 64 static void | |
| 65 exsltSetsIntersectionFunction (xmlXPathParserContextPtr ctxt, int nargs) { | |
| 66 xmlNodeSetPtr arg1, arg2, ret; | |
| 67 | |
| 68 if (nargs != 2) { | |
| 69 xmlXPathSetArityError(ctxt); | |
| 70 return; | |
| 71 } | |
| 72 | |
| 73 arg2 = xmlXPathPopNodeSet(ctxt); | |
| 74 if (xmlXPathCheckError(ctxt)) { | |
| 75 xmlXPathSetTypeError(ctxt); | |
| 76 return; | |
| 77 } | |
| 78 | |
| 79 arg1 = xmlXPathPopNodeSet(ctxt); | |
| 80 if (xmlXPathCheckError(ctxt)) { | |
| 81 xmlXPathSetTypeError(ctxt); | |
| 82 return; | |
| 83 } | |
| 84 | |
| 85 ret = xmlXPathIntersection(arg1, arg2); | |
| 86 | |
| 87 xmlXPathFreeNodeSet(arg1); | |
| 88 xmlXPathFreeNodeSet(arg2); | |
| 89 | |
| 90 xmlXPathReturnNodeSet(ctxt, ret); | |
| 91 } | |
| 92 | |
| 93 /** | |
| 94 * exsltSetsDistinctFunction: | |
| 95 * @ctxt: an XPath parser context | |
| 96 * @nargs: the number of arguments | |
| 97 * | |
| 98 * Wraps #xmlXPathDistinct for use by the XPath processor | |
| 99 */ | |
| 100 static void | |
| 101 exsltSetsDistinctFunction (xmlXPathParserContextPtr ctxt, int nargs) { | |
| 102 xmlXPathObjectPtr obj; | |
| 103 xmlNodeSetPtr ns, ret; | |
| 104 int boolval = 0; | |
| 105 void *user = NULL; | |
| 106 | |
| 107 if (nargs != 1) { | |
| 108 xmlXPathSetArityError(ctxt); | |
| 109 return; | |
| 110 } | |
| 111 | |
| 112 if (ctxt->value != NULL) { | |
| 113 boolval = ctxt->value->boolval; | |
| 114 user = ctxt->value->user; | |
| 115 ctxt->value->boolval = 0; | |
| 116 ctxt->value->user = NULL; | |
| 117 } | |
| 118 ns = xmlXPathPopNodeSet(ctxt); | |
| 119 if (xmlXPathCheckError(ctxt)) | |
| 120 return; | |
| 121 | |
| 122 /* !!! must be sorted !!! */ | |
| 123 ret = xmlXPathDistinctSorted(ns); | |
| 124 | |
| 125 if (ret != ns) | |
| 126 xmlXPathFreeNodeSet(ns); | |
| 127 | |
| 128 obj = xmlXPathWrapNodeSet(ret); | |
| 129 obj->user = user; | |
| 130 obj->boolval = boolval; | |
| 131 valuePush((ctxt), obj); | |
| 132 } | |
| 133 | |
| 134 /** | |
| 135 * exsltSetsHasSameNodesFunction: | |
| 136 * @ctxt: an XPath parser context | |
| 137 * @nargs: the number of arguments | |
| 138 * | |
| 139 * Wraps #xmlXPathHasSameNodes for use by the XPath processor | |
| 140 */ | |
| 141 static void | |
| 142 exsltSetsHasSameNodesFunction (xmlXPathParserContextPtr ctxt, | |
| 143 int nargs) { | |
| 144 xmlNodeSetPtr arg1, arg2; | |
| 145 int ret; | |
| 146 | |
| 147 if (nargs != 2) { | |
| 148 xmlXPathSetArityError(ctxt); | |
| 149 return; | |
| 150 } | |
| 151 | |
| 152 arg2 = xmlXPathPopNodeSet(ctxt); | |
| 153 if (xmlXPathCheckError(ctxt)) { | |
| 154 xmlXPathSetTypeError(ctxt); | |
| 155 return; | |
| 156 } | |
| 157 | |
| 158 arg1 = xmlXPathPopNodeSet(ctxt); | |
| 159 if (xmlXPathCheckError(ctxt)) { | |
| 160 xmlXPathSetTypeError(ctxt); | |
| 161 return; | |
| 162 } | |
| 163 | |
| 164 ret = xmlXPathHasSameNodes(arg1, arg2); | |
| 165 | |
| 166 xmlXPathFreeNodeSet(arg1); | |
| 167 xmlXPathFreeNodeSet(arg2); | |
| 168 | |
| 169 xmlXPathReturnBoolean(ctxt, ret); | |
| 170 } | |
| 171 | |
| 172 /** | |
| 173 * exsltSetsLeadingFunction: | |
| 174 * @ctxt: an XPath parser context | |
| 175 * @nargs: the number of arguments | |
| 176 * | |
| 177 * Wraps #xmlXPathLeading for use by the XPath processor | |
| 178 */ | |
| 179 static void | |
| 180 exsltSetsLeadingFunction (xmlXPathParserContextPtr ctxt, int nargs) { | |
| 181 xmlNodeSetPtr arg1, arg2, ret; | |
| 182 | |
| 183 if (nargs != 2) { | |
| 184 xmlXPathSetArityError(ctxt); | |
| 185 return; | |
| 186 } | |
| 187 | |
| 188 arg2 = xmlXPathPopNodeSet(ctxt); | |
| 189 if (xmlXPathCheckError(ctxt)) { | |
| 190 xmlXPathSetTypeError(ctxt); | |
| 191 return; | |
| 192 } | |
| 193 | |
| 194 arg1 = xmlXPathPopNodeSet(ctxt); | |
| 195 if (xmlXPathCheckError(ctxt)) { | |
| 196 xmlXPathSetTypeError(ctxt); | |
| 197 return; | |
| 198 } | |
| 199 | |
| 200 /* If the second node set is empty, then the first node set is | |
| 201 * returned. | |
| 202 */ | |
| 203 if (xmlXPathNodeSetIsEmpty(arg2)) { | |
| 204 xmlXPathReturnNodeSet(ctxt, arg1); | |
| 205 | |
| 206 xmlXPathFreeNodeSet(arg2); | |
| 207 | |
| 208 return; | |
| 209 } | |
| 210 /* !!! must be sorted */ | |
| 211 ret = xmlXPathNodeLeadingSorted(arg1, xmlXPathNodeSetItem(arg2, 0)); | |
| 212 | |
| 213 xmlXPathFreeNodeSet(arg1); | |
| 214 xmlXPathFreeNodeSet(arg2); | |
| 215 | |
| 216 xmlXPathReturnNodeSet(ctxt, ret); | |
| 217 } | |
| 218 | |
| 219 /** | |
| 220 * exsltSetsTrailingFunction: | |
| 221 * @ctxt: an XPath parser context | |
| 222 * @nargs: the number of arguments | |
| 223 * | |
| 224 * Wraps #xmlXPathTrailing for use by the XPath processor | |
| 225 */ | |
| 226 static void | |
| 227 exsltSetsTrailingFunction (xmlXPathParserContextPtr ctxt, int nargs) { | |
| 228 xmlNodeSetPtr arg1, arg2, ret; | |
| 229 | |
| 230 if (nargs != 2) { | |
| 231 xmlXPathSetArityError(ctxt); | |
| 232 return; | |
| 233 } | |
| 234 | |
| 235 arg2 = xmlXPathPopNodeSet(ctxt); | |
| 236 if (xmlXPathCheckError(ctxt)) { | |
| 237 xmlXPathSetTypeError(ctxt); | |
| 238 return; | |
| 239 } | |
| 240 | |
| 241 arg1 = xmlXPathPopNodeSet(ctxt); | |
| 242 if (xmlXPathCheckError(ctxt)) { | |
| 243 xmlXPathSetTypeError(ctxt); | |
| 244 return; | |
| 245 } | |
| 246 | |
| 247 /* If the second node set is empty, then the first node set is | |
| 248 * returned. | |
| 249 */ | |
| 250 if (xmlXPathNodeSetIsEmpty(arg2)) { | |
| 251 xmlXPathReturnNodeSet(ctxt, arg1); | |
| 252 | |
| 253 xmlXPathFreeNodeSet(arg2); | |
| 254 | |
| 255 return; | |
| 256 } | |
| 257 /* !!! mist be sorted */ | |
| 258 ret = xmlXPathNodeTrailingSorted(arg1, xmlXPathNodeSetItem(arg2, 0)); | |
| 259 | |
| 260 xmlXPathFreeNodeSet(arg1); | |
| 261 xmlXPathFreeNodeSet(arg2); | |
| 262 | |
| 263 xmlXPathReturnNodeSet(ctxt, ret); | |
| 264 } | |
| 265 | |
| 266 /** | |
| 267 * exsltSetsRegister: | |
| 268 * | |
| 269 * Registers the EXSLT - Sets module | |
| 270 */ | |
| 271 | |
| 272 void | |
| 273 exsltSetsRegister (void) { | |
| 274 xsltRegisterExtModuleFunction ((const xmlChar *) "difference", | |
| 275 EXSLT_SETS_NAMESPACE, | |
| 276 exsltSetsDifferenceFunction); | |
| 277 xsltRegisterExtModuleFunction ((const xmlChar *) "intersection", | |
| 278 EXSLT_SETS_NAMESPACE, | |
| 279 exsltSetsIntersectionFunction); | |
| 280 xsltRegisterExtModuleFunction ((const xmlChar *) "distinct", | |
| 281 EXSLT_SETS_NAMESPACE, | |
| 282 exsltSetsDistinctFunction); | |
| 283 xsltRegisterExtModuleFunction ((const xmlChar *) "has-same-node", | |
| 284 EXSLT_SETS_NAMESPACE, | |
| 285 exsltSetsHasSameNodesFunction); | |
| 286 xsltRegisterExtModuleFunction ((const xmlChar *) "leading", | |
| 287 EXSLT_SETS_NAMESPACE, | |
| 288 exsltSetsLeadingFunction); | |
| 289 xsltRegisterExtModuleFunction ((const xmlChar *) "trailing", | |
| 290 EXSLT_SETS_NAMESPACE, | |
| 291 exsltSetsTrailingFunction); | |
| 292 } | |
| 293 | |
| 294 /** | |
| 295 * exsltSetsXpathCtxtRegister: | |
| 296 * | |
| 297 * Registers the EXSLT - Sets module for use outside XSLT | |
| 298 */ | |
| 299 int | |
| 300 exsltSetsXpathCtxtRegister (xmlXPathContextPtr ctxt, const xmlChar *prefix) | |
| 301 { | |
| 302 if (ctxt | |
| 303 && prefix | |
| 304 && !xmlXPathRegisterNs(ctxt, | |
| 305 prefix, | |
| 306 (const xmlChar *) EXSLT_SETS_NAMESPACE) | |
| 307 && !xmlXPathRegisterFuncNS(ctxt, | |
| 308 (const xmlChar *) "difference", | |
| 309 (const xmlChar *) EXSLT_SETS_NAMESPACE, | |
| 310 exsltSetsDifferenceFunction) | |
| 311 && !xmlXPathRegisterFuncNS(ctxt, | |
| 312 (const xmlChar *) "intersection", | |
| 313 (const xmlChar *) EXSLT_SETS_NAMESPACE, | |
| 314 exsltSetsIntersectionFunction) | |
| 315 && !xmlXPathRegisterFuncNS(ctxt, | |
| 316 (const xmlChar *) "distinct", | |
| 317 (const xmlChar *) EXSLT_SETS_NAMESPACE, | |
| 318 exsltSetsDistinctFunction) | |
| 319 && !xmlXPathRegisterFuncNS(ctxt, | |
| 320 (const xmlChar *) "has-same-node", | |
| 321 (const xmlChar *) EXSLT_SETS_NAMESPACE, | |
| 322 exsltSetsHasSameNodesFunction) | |
| 323 && !xmlXPathRegisterFuncNS(ctxt, | |
| 324 (const xmlChar *) "leading", | |
| 325 (const xmlChar *) EXSLT_SETS_NAMESPACE, | |
| 326 exsltSetsLeadingFunction) | |
| 327 && !xmlXPathRegisterFuncNS(ctxt, | |
| 328 (const xmlChar *) "trailing", | |
| 329 (const xmlChar *) EXSLT_SETS_NAMESPACE, | |
| 330 exsltSetsTrailingFunction)) { | |
| 331 return 0; | |
| 332 } | |
| 333 return -1; | |
| 334 } | |
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Chromium Code Reviews
Issue 2865973002:
Check in the libxslt roll script. (Closed)
