Annotation of embedaddon/libxml2/testXPath.c, revision 1.1
1.1 ! misho 1: /*
! 2: * testXPath.c : a small tester program for XPath.
! 3: *
! 4: * See Copyright for the status of this software.
! 5: *
! 6: * daniel@veillard.com
! 7: */
! 8:
! 9: #include "libxml.h"
! 10: #if defined(LIBXML_XPATH_ENABLED) && defined(LIBXML_DEBUG_ENABLED)
! 11:
! 12: #include <string.h>
! 13:
! 14: #ifdef HAVE_SYS_TYPES_H
! 15: #include <sys/types.h>
! 16: #endif
! 17: #ifdef HAVE_SYS_STAT_H
! 18: #include <sys/stat.h>
! 19: #endif
! 20: #ifdef HAVE_FCNTL_H
! 21: #include <fcntl.h>
! 22: #endif
! 23: #ifdef HAVE_UNISTD_H
! 24: #include <unistd.h>
! 25: #endif
! 26: #ifdef HAVE_STDLIB_H
! 27: #include <stdlib.h>
! 28: #endif
! 29:
! 30:
! 31: #include <libxml/xpath.h>
! 32: #include <libxml/tree.h>
! 33: #include <libxml/parser.h>
! 34: #include <libxml/debugXML.h>
! 35: #include <libxml/xmlmemory.h>
! 36: #include <libxml/parserInternals.h>
! 37: #include <libxml/xpathInternals.h>
! 38: #include <libxml/xmlerror.h>
! 39: #include <libxml/globals.h>
! 40: #if defined(LIBXML_XPTR_ENABLED)
! 41: #include <libxml/xpointer.h>
! 42: static int xptr = 0;
! 43: #endif
! 44: static int debug = 0;
! 45: static int valid = 0;
! 46: static int expr = 0;
! 47: static int tree = 0;
! 48: static int nocdata = 0;
! 49: static xmlDocPtr document = NULL;
! 50:
! 51: /*
! 52: * Default document
! 53: */
! 54: static xmlChar buffer[] =
! 55: "<?xml version=\"1.0\"?>\n\
! 56: <EXAMPLE prop1=\"gnome is great\" prop2=\"& linux too\">\n\
! 57: <head>\n\
! 58: <title>Welcome to Gnome</title>\n\
! 59: </head>\n\
! 60: <chapter>\n\
! 61: <title>The Linux adventure</title>\n\
! 62: <p>bla bla bla ...</p>\n\
! 63: <image href=\"linus.gif\"/>\n\
! 64: <p>...</p>\n\
! 65: </chapter>\n\
! 66: <chapter>\n\
! 67: <title>Chapter 2</title>\n\
! 68: <p>this is chapter 2 ...</p>\n\
! 69: </chapter>\n\
! 70: <chapter>\n\
! 71: <title>Chapter 3</title>\n\
! 72: <p>this is chapter 3 ...</p>\n\
! 73: </chapter>\n\
! 74: </EXAMPLE>\n\
! 75: ";
! 76:
! 77:
! 78: static void
! 79: testXPath(const char *str) {
! 80: xmlXPathObjectPtr res;
! 81: xmlXPathContextPtr ctxt;
! 82:
! 83: #if defined(LIBXML_XPTR_ENABLED)
! 84: if (xptr) {
! 85: ctxt = xmlXPtrNewContext(document, NULL, NULL);
! 86: res = xmlXPtrEval(BAD_CAST str, ctxt);
! 87: } else {
! 88: #endif
! 89: ctxt = xmlXPathNewContext(document);
! 90: ctxt->node = xmlDocGetRootElement(document);
! 91: if (expr)
! 92: res = xmlXPathEvalExpression(BAD_CAST str, ctxt);
! 93: else {
! 94: /* res = xmlXPathEval(BAD_CAST str, ctxt); */
! 95: xmlXPathCompExprPtr comp;
! 96:
! 97: comp = xmlXPathCompile(BAD_CAST str);
! 98: if (comp != NULL) {
! 99: if (tree)
! 100: xmlXPathDebugDumpCompExpr(stdout, comp, 0);
! 101:
! 102: res = xmlXPathCompiledEval(comp, ctxt);
! 103: xmlXPathFreeCompExpr(comp);
! 104: } else
! 105: res = NULL;
! 106: }
! 107: #if defined(LIBXML_XPTR_ENABLED)
! 108: }
! 109: #endif
! 110: xmlXPathDebugDumpObject(stdout, res, 0);
! 111: xmlXPathFreeObject(res);
! 112: xmlXPathFreeContext(ctxt);
! 113: }
! 114:
! 115: static void
! 116: testXPathFile(const char *filename) {
! 117: FILE *input;
! 118: char expression[5000];
! 119: int len;
! 120:
! 121: input = fopen(filename, "r");
! 122: if (input == NULL) {
! 123: xmlGenericError(xmlGenericErrorContext,
! 124: "Cannot open %s for reading\n", filename);
! 125: return;
! 126: }
! 127: while (fgets(expression, 4500, input) != NULL) {
! 128: len = strlen(expression);
! 129: len--;
! 130: while ((len >= 0) &&
! 131: ((expression[len] == '\n') || (expression[len] == '\t') ||
! 132: (expression[len] == '\r') || (expression[len] == ' '))) len--;
! 133: expression[len + 1] = 0;
! 134: if (len >= 0) {
! 135: printf("\n========================\nExpression: %s\n", expression) ;
! 136: testXPath(expression);
! 137: }
! 138: }
! 139:
! 140: fclose(input);
! 141: }
! 142:
! 143: int main(int argc, char **argv) {
! 144: int i;
! 145: int strings = 0;
! 146: int usefile = 0;
! 147: char *filename = NULL;
! 148:
! 149: for (i = 1; i < argc ; i++) {
! 150: #if defined(LIBXML_XPTR_ENABLED)
! 151: if ((!strcmp(argv[i], "-xptr")) || (!strcmp(argv[i], "--xptr")))
! 152: xptr++;
! 153: else
! 154: #endif
! 155: if ((!strcmp(argv[i], "-debug")) || (!strcmp(argv[i], "--debug")))
! 156: debug++;
! 157: else if ((!strcmp(argv[i], "-valid")) || (!strcmp(argv[i], "--valid")))
! 158: valid++;
! 159: else if ((!strcmp(argv[i], "-expr")) || (!strcmp(argv[i], "--expr")))
! 160: expr++;
! 161: else if ((!strcmp(argv[i], "-tree")) || (!strcmp(argv[i], "--tree")))
! 162: tree++;
! 163: else if ((!strcmp(argv[i], "-nocdata")) ||
! 164: (!strcmp(argv[i], "--nocdata")))
! 165: nocdata++;
! 166: else if ((!strcmp(argv[i], "-i")) || (!strcmp(argv[i], "--input")))
! 167: filename = argv[++i];
! 168: else if ((!strcmp(argv[i], "-f")) || (!strcmp(argv[i], "--file")))
! 169: usefile++;
! 170: }
! 171: if (valid != 0) xmlDoValidityCheckingDefaultValue = 1;
! 172: xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
! 173: xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
! 174: xmlSubstituteEntitiesDefaultValue = 1;
! 175: if (nocdata != 0) {
! 176: xmlDefaultSAXHandlerInit();
! 177: xmlDefaultSAXHandler.cdataBlock = NULL;
! 178: }
! 179: if (document == NULL) {
! 180: if (filename == NULL)
! 181: document = xmlReadDoc(buffer,NULL,NULL,XML_PARSE_COMPACT);
! 182: else
! 183: document = xmlReadFile(filename,NULL,XML_PARSE_COMPACT);
! 184: }
! 185: for (i = 1; i < argc ; i++) {
! 186: if ((!strcmp(argv[i], "-i")) || (!strcmp(argv[i], "--input"))) {
! 187: i++; continue;
! 188: }
! 189: if (argv[i][0] != '-') {
! 190: if (usefile)
! 191: testXPathFile(argv[i]);
! 192: else
! 193: testXPath(argv[i]);
! 194: strings ++;
! 195: }
! 196: }
! 197: if (strings == 0) {
! 198: printf("Usage : %s [--debug] [--copy] stringsorfiles ...\n",
! 199: argv[0]);
! 200: printf("\tParse the XPath strings and output the result of the parsing\n");
! 201: printf("\t--debug : dump a debug version of the result\n");
! 202: printf("\t--valid : switch on DTD support in the parser\n");
! 203: #if defined(LIBXML_XPTR_ENABLED)
! 204: printf("\t--xptr : expressions are XPointer expressions\n");
! 205: #endif
! 206: printf("\t--expr : debug XPath expressions only\n");
! 207: printf("\t--tree : show the compiled XPath tree\n");
! 208: printf("\t--nocdata : do not generate CDATA nodes\n");
! 209: printf("\t--input filename : or\n");
! 210: printf("\t-i filename : read the document from filename\n");
! 211: printf("\t--file : or\n");
! 212: printf("\t-f : read queries from files, args\n");
! 213: }
! 214: if (document != NULL)
! 215: xmlFreeDoc(document);
! 216: xmlCleanupParser();
! 217: xmlMemoryDump();
! 218:
! 219: return(0);
! 220: }
! 221: #else
! 222: #include <stdio.h>
! 223: int main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) {
! 224: printf("%s : XPath/Debug support not compiled in\n", argv[0]);
! 225: return(0);
! 226: }
! 227: #endif /* LIBXML_XPATH_ENABLED */
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