| /* |
| * 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\ |
| <chapter>\n\ |
| <title>Chapter 4</title>\n\ |
| <p>this is chapter 4 ...</p>\n\ |
| </chapter>\n\ |
| <chapter>\n\ |
| <title>Chapter 5</title>\n\ |
| <p>this is chapter 5 ...</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; |
| if (nocdata != 0) { |
| xmlDefaultSAXHandlerInit(); |
| xmlDefaultSAXHandler.cdataBlock = NULL; |
| } |
| if (document == NULL) { |
| if (filename == NULL) |
| document = xmlParseDoc(buffer); |
| else |
| document = xmlParseFile(filename); |
| } |
| 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, char **argv) { |
| printf("%s : XPath/Debug support not compiled in\n", argv[0]); |
| return(0); |
| } |
| #endif /* LIBXML_XPATH_ENABLED */ |