Welcome to Gnome

/* * testXPath.c : a small tester program for XPath. * * See Copyright for the status of this software. * * Daniel.Veillard@w3.org */ #ifdef WIN32 #include "win32config.h" #else #include "config.h" #endif #include #if defined(LIBXML_XPATH_ENABLED) && defined(LIBXML_DEBUG_ENABLED) #include #include #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_STAT_H #include #endif #ifdef HAVE_FCNTL_H #include #endif #ifdef HAVE_UNISTD_H #include #endif #ifdef HAVE_STDLIB_H #include #endif #include #include #include #include #include #include #include #if defined(LIBXML_XPTR_ENABLED) #include static int xptr = 0; #endif static int debug = 0; static int valid = 0; static int expr = 0; static xmlDocPtr document = NULL; /* * Default document */ static xmlChar buffer[] = "\n\ \n\ \n\ Welcome to Gnome\n\ \n\ \n\ The Linux adventure\n\

bla bla bla ...

\n\ \n\

...

\n\ \n\ \n\ Chapter 2\n\

this is chapter 2 ...

\n\ \n\ \n\ Chapter 3\n\

this is chapter 3 ...

\n\ \n\ \n\ Chapter 4\n\

this is chapter 4 ...

\n\ \n\ \n\ Chapter 5\n\

this is chapter 5 ...

\n\ \n\ \n\ "; 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); if (expr) res = xmlXPathEvalExpression(BAD_CAST str, ctxt); else res = xmlXPathEval(BAD_CAST str, ctxt); #if defined(LIBXML_XPTR_ENABLED) } #endif xmlXPathDebugDumpObject(stdout, res, 0); xmlXPathFreeObject(res); xmlXPathFreeContext(ctxt); } void testXPathFile(const char *filename) { FILE *input; char expr[5000]; int len; input = fopen(filename, "r"); if (input == NULL) { xmlGenericError(xmlGenericErrorContext, "Cannot open %s for reading\n", filename); return; } while (fgets(expr, 4500, input) != NULL) { len = strlen(expr); len--; while ((len >= 0) && ((expr[len] == '\n') || (expr[len] == '\t') || (expr[len] == '\r') || (expr[len] == ' '))) len--; expr[len + 1] = 0; if (len >= 0) { printf("\n========================\nExpression: %s\n", expr) ; testXPath(expr); } } 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++; #endif if ((!strcmp(argv[i], "-debug")) || (!strcmp(argv[i], "--debug"))) debug++; if ((!strcmp(argv[i], "-valid")) || (!strcmp(argv[i], "--valid"))) valid++; if ((!strcmp(argv[i], "-expr")) || (!strcmp(argv[i], "--expr"))) expr++; if ((!strcmp(argv[i], "-i")) || (!strcmp(argv[i], "--input"))) filename = argv[++i]; if ((!strcmp(argv[i], "-f")) || (!strcmp(argv[i], "--file"))) usefile++; } if (valid != 0) xmlDoValidityCheckingDefaultValue = 1; 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"); printf("\t--expr : debug XPath expressions only\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 int main(int argc, char **argv) { printf("%s : XPath/Debug support not compiled in\n", argv[0]); return(0); } #endif /* LIBXML_XPATH_ENABLED */