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Diffstat (limited to 'libxml2-2.9.10/testXPath.c')
| -rw-r--r-- | libxml2-2.9.10/testXPath.c | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/libxml2-2.9.10/testXPath.c b/libxml2-2.9.10/testXPath.c new file mode 100644 index 0000000..ebb9ff7 --- /dev/null +++ b/libxml2-2.9.10/testXPath.c @@ -0,0 +1,229 @@ +/* + * testXPath.c : a small tester program for XPath. + * + * See Copyright for the status of this software. + * + * daniel@veillard.com + */ + +#include "libxml.h" +#if defined(LIBXML_XPATH_ENABLED) && defined(LIBXML_DEBUG_ENABLED) + +#include <string.h> + +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_STAT_H +#include <sys/stat.h> +#endif +#ifdef HAVE_FCNTL_H +#include <fcntl.h> +#endif +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif +#ifdef HAVE_STDLIB_H +#include <stdlib.h> +#endif + + +#include <libxml/xpath.h> +#include <libxml/tree.h> +#include <libxml/parser.h> +#include <libxml/debugXML.h> +#include <libxml/xmlmemory.h> +#include <libxml/parserInternals.h> +#include <libxml/xpathInternals.h> +#include <libxml/xmlerror.h> +#include <libxml/globals.h> +#if defined(LIBXML_XPTR_ENABLED) +#include <libxml/xpointer.h> +static int xptr = 0; +#endif +static int debug = 0; +static int valid = 0; +static int expr = 0; +static int tree = 0; +static int nocdata = 0; +static xmlDocPtr document = NULL; + +/* + * Default document + */ +static xmlChar buffer[] = +"<?xml version=\"1.0\"?>\n\ +<EXAMPLE prop1=\"gnome is great\" prop2=\"& linux too\">\n\ + <head>\n\ + <title>Welcome to Gnome</title>\n\ + </head>\n\ + <chapter>\n\ + <title>The Linux adventure</title>\n\ + <p>bla bla bla ...</p>\n\ + <image href=\"linus.gif\"/>\n\ + <p>...</p>\n\ + </chapter>\n\ + <chapter>\n\ + <title>Chapter 2</title>\n\ + <p>this is chapter 2 ...</p>\n\ + </chapter>\n\ + <chapter>\n\ + <title>Chapter 3</title>\n\ + <p>this is chapter 3 ...</p>\n\ + </chapter>\n\ +</EXAMPLE>\n\ +"; + + +static void +testXPath(const char *str) { + xmlXPathObjectPtr res; + xmlXPathContextPtr ctxt; + +#if defined(LIBXML_XPTR_ENABLED) + if (xptr) { + ctxt = xmlXPtrNewContext(document, NULL, NULL); + res = xmlXPtrEval(BAD_CAST str, ctxt); + } else { +#endif + ctxt = xmlXPathNewContext(document); + ctxt->node = xmlDocGetRootElement(document); + if (expr) + res = xmlXPathEvalExpression(BAD_CAST str, ctxt); + else { + /* res = xmlXPathEval(BAD_CAST str, ctxt); */ + xmlXPathCompExprPtr comp; + + comp = xmlXPathCompile(BAD_CAST str); + if (comp != NULL) { + if (tree) + xmlXPathDebugDumpCompExpr(stdout, comp, 0); + + res = xmlXPathCompiledEval(comp, ctxt); + xmlXPathFreeCompExpr(comp); + } else + res = NULL; + } +#if defined(LIBXML_XPTR_ENABLED) + } +#endif + xmlXPathDebugDumpObject(stdout, res, 0); + xmlXPathFreeObject(res); + xmlXPathFreeContext(ctxt); +} + +static void +testXPathFile(const char *filename) { + FILE *input; + char expression[5000]; + int len; + + input = fopen(filename, "r"); + if (input == NULL) { + xmlGenericError(xmlGenericErrorContext, + "Cannot open %s for reading\n", filename); + return; + } + while (fgets(expression, 4500, input) != NULL) { + len = strlen(expression); + len--; + while ((len >= 0) && + ((expression[len] == '\n') || (expression[len] == '\t') || + (expression[len] == '\r') || (expression[len] == ' '))) len--; + expression[len + 1] = 0; + if (len >= 0) { + printf("\n========================\nExpression: %s\n", expression) ; + testXPath(expression); + } + } + + fclose(input); +} + +int main(int argc, char **argv) { + int i; + int strings = 0; + int usefile = 0; + char *filename = NULL; + + for (i = 1; i < argc ; i++) { +#if defined(LIBXML_XPTR_ENABLED) + if ((!strcmp(argv[i], "-xptr")) || (!strcmp(argv[i], "--xptr"))) + xptr++; + else +#endif + if ((!strcmp(argv[i], "-debug")) || (!strcmp(argv[i], "--debug"))) + debug++; + else if ((!strcmp(argv[i], "-valid")) || (!strcmp(argv[i], "--valid"))) + valid++; + else if ((!strcmp(argv[i], "-expr")) || (!strcmp(argv[i], "--expr"))) + expr++; + else if ((!strcmp(argv[i], "-tree")) || (!strcmp(argv[i], "--tree"))) + tree++; + else if ((!strcmp(argv[i], "-nocdata")) || + (!strcmp(argv[i], "--nocdata"))) + nocdata++; + else if ((!strcmp(argv[i], "-i")) || (!strcmp(argv[i], "--input"))) + filename = argv[++i]; + else if ((!strcmp(argv[i], "-f")) || (!strcmp(argv[i], "--file"))) + usefile++; + } + if (valid != 0) xmlDoValidityCheckingDefaultValue = 1; + xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS; + xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS; + xmlSubstituteEntitiesDefaultValue = 1; +#ifdef LIBXML_SAX1_ENABLED + if (nocdata != 0) { + xmlDefaultSAXHandlerInit(); + xmlDefaultSAXHandler.cdataBlock = NULL; + } +#endif + if (document == NULL) { + if (filename == NULL) + document = xmlReadDoc(buffer,NULL,NULL,XML_PARSE_COMPACT); + else + document = xmlReadFile(filename,NULL,XML_PARSE_COMPACT); + } + for (i = 1; i < argc ; i++) { + if ((!strcmp(argv[i], "-i")) || (!strcmp(argv[i], "--input"))) { + i++; continue; + } + if (argv[i][0] != '-') { + if (usefile) + testXPathFile(argv[i]); + else + testXPath(argv[i]); + strings ++; + } + } + if (strings == 0) { + printf("Usage : %s [--debug] [--copy] stringsorfiles ...\n", + argv[0]); + printf("\tParse the XPath strings and output the result of the parsing\n"); + printf("\t--debug : dump a debug version of the result\n"); + printf("\t--valid : switch on DTD support in the parser\n"); +#if defined(LIBXML_XPTR_ENABLED) + printf("\t--xptr : expressions are XPointer expressions\n"); +#endif + printf("\t--expr : debug XPath expressions only\n"); + printf("\t--tree : show the compiled XPath tree\n"); + printf("\t--nocdata : do not generate CDATA nodes\n"); + printf("\t--input filename : or\n"); + printf("\t-i filename : read the document from filename\n"); + printf("\t--file : or\n"); + printf("\t-f : read queries from files, args\n"); + } + if (document != NULL) + xmlFreeDoc(document); + xmlCleanupParser(); + xmlMemoryDump(); + + return(0); +} +#else +#include <stdio.h> +int main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) { + printf("%s : XPath/Debug support not compiled in\n", argv[0]); + return(0); +} +#endif /* LIBXML_XPATH_ENABLED */ |