/* * testXPath.c : a small tester program for XPath. * * See Copyright for the status of this software. * * Daniel.Veillard@w3.org */ #ifdef WIN32 #define HAVE_FCNTL_H #include #else #include #endif #include #ifdef HAVE_SYS_STAT_H #include #endif #ifdef HAVE_FCNTL_H #include #endif #ifdef HAVE_UNISTD_H #include #endif #include #include #include #include "xpath.h" #include "tree.h" #include "parser.h" #include "debugXML.h" static int debug = 0; static int expr = 0; static xmlDocPtr document = NULL; /* * Default document */ static CHAR 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 xmlXPAthDebugDumpNodeSet(FILE *output, xmlNodeSetPtr cur) { int i; if (cur == NULL) { fprintf(output, "NodeSet is NULL !\n"); return; } fprintf(output, "Set contains %d nodes:\n", cur->nodeNr); for (i = 0;i < cur->nodeNr;i++) { fprintf(output, "%d", i + 1); xmlDebugDumpOneNode(output, cur->nodeTab[i], 2); } } void xmlXPAthDebugDumpObject(FILE *output, xmlXPathObjectPtr cur) { if (cur == NULL) { fprintf(output, "Object is empty (NULL)\n"); return; } switch(cur->type) { case XPATH_UNDEFINED: fprintf(output, "Object is uninitialized\n"); break; case XPATH_NODESET: fprintf(output, "Object is a Node Set :\n"); xmlXPAthDebugDumpNodeSet(output, cur->nodesetval); break; case XPATH_BOOLEAN: fprintf(output, "Object is a Boolean : "); if (cur->boolval) fprintf(output, "true\n"); else fprintf(output, "false\n"); break; case XPATH_NUMBER: fprintf(output, "Object is a number : %0g\n", cur->floatval); break; case XPATH_STRING: fprintf(output, "Object is a string : "); xmlDebugDumpString(output, cur->stringval); fprintf(output, "\n"); break; } } void testXPath(const char *str) { xmlXPathObjectPtr res; xmlXPathContextPtr ctxt; ctxt = xmlXPathNewContext(document, NULL, NULL, NULL); if (expr) res = xmlXPathEvalExpression(str, ctxt); else res = xmlXPathEval(str, ctxt); xmlXPAthDebugDumpObject(stdout, res); xmlXPathFreeObject(res); } void testXPathFile(const char *filename) { FILE *input; char expr[5000]; input = fopen(filename, "r"); if (input == NULL) { fprintf(stderr, "Cannot open %s for reading\n", filename); return; } while (fscanf(input, "%s", expr) != EOF) { 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 ((!strcmp(argv[i], "-debug")) || (!strcmp(argv[i], "--debug"))) debug++; 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 (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--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"); } return(0); }