| 1 | /*
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| 2 | * testXPath.c : a small tester program for XPath.
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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.com
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| 7 | */
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| 8 |
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| 9 | #include "libxml.h"
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| 10 | #if defined(LIBXML_XPATH_ENABLED) && defined(LIBXML_DEBUG_ENABLED)
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| 11 |
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| 12 | #include <string.h>
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| 13 |
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| 14 | #ifdef HAVE_SYS_TYPES_H
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| 15 | #include <sys/types.h>
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| 16 | #endif
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| 17 | #ifdef HAVE_SYS_STAT_H
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| 18 | #include <sys/stat.h>
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| 19 | #endif
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| 20 | #ifdef HAVE_FCNTL_H
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| 21 | #include <fcntl.h>
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| 22 | #endif
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| 23 | #ifdef HAVE_UNISTD_H
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| 24 | #include <unistd.h>
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| 25 | #endif
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| 26 | #ifdef HAVE_STDLIB_H
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| 27 | #include <stdlib.h>
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| 28 | #endif
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| 29 |
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| 30 |
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| 31 | #include <libxml/xpath.h>
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| 32 | #include <libxml/tree.h>
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| 33 | #include <libxml/parser.h>
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| 34 | #include <libxml/debugXML.h>
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| 35 | #include <libxml/xmlmemory.h>
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| 36 | #include <libxml/parserInternals.h>
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| 37 | #include <libxml/xpathInternals.h>
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| 38 | #include <libxml/xmlerror.h>
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| 39 | #include <libxml/globals.h>
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| 40 | #if defined(LIBXML_XPTR_ENABLED)
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| 41 | #include <libxml/xpointer.h>
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| 42 | static int xptr = 0;
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| 43 | #endif
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| 44 | static int debug = 0;
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| 45 | static int valid = 0;
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| 46 | static int expr = 0;
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| 47 | static int tree = 0;
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| 48 | static int nocdata = 0;
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| 49 | static xmlDocPtr document = NULL;
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| 50 |
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| 51 | /*
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| 52 | * Default document
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| 53 | */
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| 54 | static xmlChar buffer[] =
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| 55 | "<?xml version=\"1.0\"?>\n\
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| 56 | <EXAMPLE prop1=\"gnome is great\" prop2=\"& linux too\">\n\
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| 57 | <head>\n\
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| 58 | <title>Welcome to Gnome</title>\n\
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| 59 | </head>\n\
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| 60 | <chapter>\n\
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| 61 | <title>The Linux adventure</title>\n\
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| 62 | <p>bla bla bla ...</p>\n\
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| 63 | <image href=\"linus.gif\"/>\n\
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| 64 | <p>...</p>\n\
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| 65 | </chapter>\n\
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| 66 | <chapter>\n\
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| 67 | <title>Chapter 2</title>\n\
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| 68 | <p>this is chapter 2 ...</p>\n\
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| 69 | </chapter>\n\
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| 70 | <chapter>\n\
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| 71 | <title>Chapter 3</title>\n\
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| 72 | <p>this is chapter 3 ...</p>\n\
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| 73 | </chapter>\n\
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| 74 | </EXAMPLE>\n\
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| 75 | ";
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| 76 |
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| 77 |
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| 78 | static void
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| 79 | testXPath(const char *str) {
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| 80 | xmlXPathObjectPtr res;
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| 81 | xmlXPathContextPtr ctxt;
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| 82 |
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| 83 | #if defined(LIBXML_XPTR_ENABLED)
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| 84 | if (xptr) {
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| 85 | ctxt = xmlXPtrNewContext(document, NULL, NULL);
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| 86 | res = xmlXPtrEval(BAD_CAST str, ctxt);
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| 87 | } else {
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| 88 | #endif
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| 89 | ctxt = xmlXPathNewContext(document);
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| 90 | ctxt->node = xmlDocGetRootElement(document);
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| 91 | if (expr)
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| 92 | res = xmlXPathEvalExpression(BAD_CAST str, ctxt);
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| 93 | else {
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| 94 | /* res = xmlXPathEval(BAD_CAST str, ctxt); */
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| 95 | xmlXPathCompExprPtr comp;
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| 96 |
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| 97 | comp = xmlXPathCompile(BAD_CAST str);
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| 98 | if (comp != NULL) {
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| 99 | if (tree)
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| 100 | xmlXPathDebugDumpCompExpr(stdout, comp, 0);
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| 101 |
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| 102 | res = xmlXPathCompiledEval(comp, ctxt);
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| 103 | xmlXPathFreeCompExpr(comp);
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| 104 | } else
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| 105 | res = NULL;
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| 106 | }
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| 107 | #if defined(LIBXML_XPTR_ENABLED)
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| 108 | }
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| 109 | #endif
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| 110 | xmlXPathDebugDumpObject(stdout, res, 0);
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| 111 | xmlXPathFreeObject(res);
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| 112 | xmlXPathFreeContext(ctxt);
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| 113 | }
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| 114 |
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| 115 | static void
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| 116 | testXPathFile(const char *filename) {
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| 117 | FILE *input;
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| 118 | char expression[5000];
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| 119 | int len;
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| 120 |
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| 121 | input = fopen(filename, "r");
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| 122 | if (input == NULL) {
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| 123 | xmlGenericError(xmlGenericErrorContext,
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| 124 | "Cannot open %s for reading\n", filename);
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| 125 | return;
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| 126 | }
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| 127 | while (fgets(expression, 4500, input) != NULL) {
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| 128 | len = strlen(expression);
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| 129 | len--;
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| 130 | while ((len >= 0) &&
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| 131 | ((expression[len] == '\n') || (expression[len] == '\t') ||
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| 132 | (expression[len] == '\r') || (expression[len] == ' '))) len--;
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| 133 | expression[len + 1] = 0;
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| 134 | if (len >= 0) {
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| 135 | printf("\n========================\nExpression: %s\n", expression) ;
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| 136 | testXPath(expression);
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| 137 | }
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| 138 | }
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| 139 |
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| 140 | fclose(input);
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| 141 | }
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| 142 |
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| 143 | int main(int argc, char **argv) {
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| 144 | int i;
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| 145 | int strings = 0;
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| 146 | int usefile = 0;
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| 147 | char *filename = NULL;
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| 148 |
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| 149 | for (i = 1; i < argc ; i++) {
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| 150 | #if defined(LIBXML_XPTR_ENABLED)
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| 151 | if ((!strcmp(argv[i], "-xptr")) || (!strcmp(argv[i], "--xptr")))
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| 152 | xptr++;
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| 153 | else
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| 154 | #endif
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| 155 | if ((!strcmp(argv[i], "-debug")) || (!strcmp(argv[i], "--debug")))
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| 156 | debug++;
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| 157 | else if ((!strcmp(argv[i], "-valid")) || (!strcmp(argv[i], "--valid")))
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| 158 | valid++;
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| 159 | else if ((!strcmp(argv[i], "-expr")) || (!strcmp(argv[i], "--expr")))
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| 160 | expr++;
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| 161 | else if ((!strcmp(argv[i], "-tree")) || (!strcmp(argv[i], "--tree")))
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| 162 | tree++;
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| 163 | else if ((!strcmp(argv[i], "-nocdata")) ||
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| 164 | (!strcmp(argv[i], "--nocdata")))
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| 165 | nocdata++;
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| 166 | else if ((!strcmp(argv[i], "-i")) || (!strcmp(argv[i], "--input")))
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| 167 | filename = argv[++i];
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| 168 | else if ((!strcmp(argv[i], "-f")) || (!strcmp(argv[i], "--file")))
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| 169 | usefile++;
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| 170 | }
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| 171 | if (valid != 0) xmlDoValidityCheckingDefaultValue = 1;
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| 172 | xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
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| 173 | xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
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| 174 | xmlSubstituteEntitiesDefaultValue = 1;
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| 175 | #ifdef LIBXML_SAX1_ENABLED
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| 176 | if (nocdata != 0) {
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| 177 | xmlDefaultSAXHandlerInit();
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| 178 | xmlDefaultSAXHandler.cdataBlock = NULL;
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| 179 | }
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| 180 | #endif
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| 181 | if (document == NULL) {
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| 182 | if (filename == NULL)
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| 183 | document = xmlReadDoc(buffer,NULL,NULL,XML_PARSE_COMPACT);
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| 184 | else
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| 185 | document = xmlReadFile(filename,NULL,XML_PARSE_COMPACT);
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| 186 | }
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| 187 | for (i = 1; i < argc ; i++) {
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| 188 | if ((!strcmp(argv[i], "-i")) || (!strcmp(argv[i], "--input"))) {
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| 189 | i++; continue;
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| 190 | }
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| 191 | if (argv[i][0] != '-') {
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| 192 | if (usefile)
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| 193 | testXPathFile(argv[i]);
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| 194 | else
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| 195 | testXPath(argv[i]);
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| 196 | strings ++;
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| 197 | }
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| 198 | }
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| 199 | if (strings == 0) {
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| 200 | printf("Usage : %s [--debug] [--copy] stringsorfiles ...\n",
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| 201 | argv[0]);
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| 202 | printf("\tParse the XPath strings and output the result of the parsing\n");
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| 203 | printf("\t--debug : dump a debug version of the result\n");
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| 204 | printf("\t--valid : switch on DTD support in the parser\n");
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| 205 | #if defined(LIBXML_XPTR_ENABLED)
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| 206 | printf("\t--xptr : expressions are XPointer expressions\n");
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| 207 | #endif
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| 208 | printf("\t--expr : debug XPath expressions only\n");
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| 209 | printf("\t--tree : show the compiled XPath tree\n");
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| 210 | printf("\t--nocdata : do not generate CDATA nodes\n");
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| 211 | printf("\t--input filename : or\n");
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| 212 | printf("\t-i filename : read the document from filename\n");
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| 213 | printf("\t--file : or\n");
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| 214 | printf("\t-f : read queries from files, args\n");
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| 215 | }
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| 216 | if (document != NULL)
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| 217 | xmlFreeDoc(document);
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| 218 | xmlCleanupParser();
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| 219 | xmlMemoryDump();
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| 220 |
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| 221 | return(0);
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| 222 | }
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| 223 | #else
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| 224 | #include <stdio.h>
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| 225 | int main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) {
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| 226 | printf("%s : XPath/Debug support not compiled in\n", argv[0]);
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| 227 | return(0);
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| 228 | }
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| 229 | #endif /* LIBXML_XPATH_ENABLED */
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