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source: vbox/trunk/src/libs/libxml2-2.6.30/testXPath.c@ 8234

Last change on this file since 8234 was 6076, checked in by vboxsync, 17 years ago

Merged dmik/s2 branch (r25959:26751) to the trunk.
  • Property svn:eol-style set to native
  • Property svn:keywords set to Date Revision Author Id
File size: 5.8 KB
Line 
1/*
2 * testXPath.c : a small tester program for XPath.
3 *
4 * See Copyright for the status of this software.
5 *
6 * daniel@veillard.com
7 */
8
9#include "libxml.h"
10#if defined(LIBXML_XPATH_ENABLED) && defined(LIBXML_DEBUG_ENABLED)
11
12#include <string.h>
13
14#ifdef HAVE_SYS_TYPES_H
15#include <sys/types.h>
16#endif
17#ifdef HAVE_SYS_STAT_H
18#include <sys/stat.h>
19#endif
20#ifdef HAVE_FCNTL_H
21#include <fcntl.h>
22#endif
23#ifdef HAVE_UNISTD_H
24#include <unistd.h>
25#endif
26#ifdef HAVE_STDLIB_H
27#include <stdlib.h>
28#endif
29
30
31#include <libxml/xpath.h>
32#include <libxml/tree.h>
33#include <libxml/parser.h>
34#include <libxml/debugXML.h>
35#include <libxml/xmlmemory.h>
36#include <libxml/parserInternals.h>
37#include <libxml/xpathInternals.h>
38#include <libxml/xmlerror.h>
39#include <libxml/globals.h>
40#if defined(LIBXML_XPTR_ENABLED)
41#include <libxml/xpointer.h>
42static int xptr = 0;
43#endif
44static int debug = 0;
45static int valid = 0;
46static int expr = 0;
47static int tree = 0;
48static int nocdata = 0;
49static xmlDocPtr document = NULL;
50
51/*
52 * Default document
53 */
54static xmlChar buffer[] =
55"<?xml version=\"1.0\"?>\n\
56<EXAMPLE prop1=\"gnome is great\" prop2=\"&amp; linux too\">\n\
57 <head>\n\
58 <title>Welcome to Gnome</title>\n\
59 </head>\n\
60 <chapter>\n\
61 <title>The Linux adventure</title>\n\
62 <p>bla bla bla ...</p>\n\
63 <image href=\"linus.gif\"/>\n\
64 <p>...</p>\n\
65 </chapter>\n\
66 <chapter>\n\
67 <title>Chapter 2</title>\n\
68 <p>this is chapter 2 ...</p>\n\
69 </chapter>\n\
70 <chapter>\n\
71 <title>Chapter 3</title>\n\
72 <p>this is chapter 3 ...</p>\n\
73 </chapter>\n\
74</EXAMPLE>\n\
75";
76
77
78static void
79testXPath(const char *str) {
80 xmlXPathObjectPtr res;
81 xmlXPathContextPtr ctxt;
82
83#if defined(LIBXML_XPTR_ENABLED)
84 if (xptr) {
85 ctxt = xmlXPtrNewContext(document, NULL, NULL);
86 res = xmlXPtrEval(BAD_CAST str, ctxt);
87 } else {
88#endif
89 ctxt = xmlXPathNewContext(document);
90 ctxt->node = xmlDocGetRootElement(document);
91 if (expr)
92 res = xmlXPathEvalExpression(BAD_CAST str, ctxt);
93 else {
94 /* res = xmlXPathEval(BAD_CAST str, ctxt); */
95 xmlXPathCompExprPtr comp;
96
97 comp = xmlXPathCompile(BAD_CAST str);
98 if (comp != NULL) {
99 if (tree)
100 xmlXPathDebugDumpCompExpr(stdout, comp, 0);
101
102 res = xmlXPathCompiledEval(comp, ctxt);
103 xmlXPathFreeCompExpr(comp);
104 } else
105 res = NULL;
106 }
107#if defined(LIBXML_XPTR_ENABLED)
108 }
109#endif
110 xmlXPathDebugDumpObject(stdout, res, 0);
111 xmlXPathFreeObject(res);
112 xmlXPathFreeContext(ctxt);
113}
114
115static void
116testXPathFile(const char *filename) {
117 FILE *input;
118 char expression[5000];
119 int len;
120
121 input = fopen(filename, "r");
122 if (input == NULL) {
123 xmlGenericError(xmlGenericErrorContext,
124 "Cannot open %s for reading\n", filename);
125 return;
126 }
127 while (fgets(expression, 4500, input) != NULL) {
128 len = strlen(expression);
129 len--;
130 while ((len >= 0) &&
131 ((expression[len] == '\n') || (expression[len] == '\t') ||
132 (expression[len] == '\r') || (expression[len] == ' '))) len--;
133 expression[len + 1] = 0;
134 if (len >= 0) {
135 printf("\n========================\nExpression: %s\n", expression) ;
136 testXPath(expression);
137 }
138 }
139
140 fclose(input);
141}
142
143int main(int argc, char **argv) {
144 int i;
145 int strings = 0;
146 int usefile = 0;
147 char *filename = NULL;
148
149 for (i = 1; i < argc ; i++) {
150#if defined(LIBXML_XPTR_ENABLED)
151 if ((!strcmp(argv[i], "-xptr")) || (!strcmp(argv[i], "--xptr")))
152 xptr++;
153 else
154#endif
155 if ((!strcmp(argv[i], "-debug")) || (!strcmp(argv[i], "--debug")))
156 debug++;
157 else if ((!strcmp(argv[i], "-valid")) || (!strcmp(argv[i], "--valid")))
158 valid++;
159 else if ((!strcmp(argv[i], "-expr")) || (!strcmp(argv[i], "--expr")))
160 expr++;
161 else if ((!strcmp(argv[i], "-tree")) || (!strcmp(argv[i], "--tree")))
162 tree++;
163 else if ((!strcmp(argv[i], "-nocdata")) ||
164 (!strcmp(argv[i], "--nocdata")))
165 nocdata++;
166 else if ((!strcmp(argv[i], "-i")) || (!strcmp(argv[i], "--input")))
167 filename = argv[++i];
168 else if ((!strcmp(argv[i], "-f")) || (!strcmp(argv[i], "--file")))
169 usefile++;
170 }
171 if (valid != 0) xmlDoValidityCheckingDefaultValue = 1;
172 xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
173 xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
174 xmlSubstituteEntitiesDefaultValue = 1;
175 if (nocdata != 0) {
176 xmlDefaultSAXHandlerInit();
177 xmlDefaultSAXHandler.cdataBlock = NULL;
178 }
179 if (document == NULL) {
180 if (filename == NULL)
181 document = xmlReadDoc(buffer,NULL,NULL,XML_PARSE_COMPACT);
182 else
183 document = xmlReadFile(filename,NULL,XML_PARSE_COMPACT);
184 }
185 for (i = 1; i < argc ; i++) {
186 if ((!strcmp(argv[i], "-i")) || (!strcmp(argv[i], "--input"))) {
187 i++; continue;
188 }
189 if (argv[i][0] != '-') {
190 if (usefile)
191 testXPathFile(argv[i]);
192 else
193 testXPath(argv[i]);
194 strings ++;
195 }
196 }
197 if (strings == 0) {
198 printf("Usage : %s [--debug] [--copy] stringsorfiles ...\n",
199 argv[0]);
200 printf("\tParse the XPath strings and output the result of the parsing\n");
201 printf("\t--debug : dump a debug version of the result\n");
202 printf("\t--valid : switch on DTD support in the parser\n");
203#if defined(LIBXML_XPTR_ENABLED)
204 printf("\t--xptr : expressions are XPointer expressions\n");
205#endif
206 printf("\t--expr : debug XPath expressions only\n");
207 printf("\t--tree : show the compiled XPath tree\n");
208 printf("\t--nocdata : do not generate CDATA nodes\n");
209 printf("\t--input filename : or\n");
210 printf("\t-i filename : read the document from filename\n");
211 printf("\t--file : or\n");
212 printf("\t-f : read queries from files, args\n");
213 }
214 if (document != NULL)
215 xmlFreeDoc(document);
216 xmlCleanupParser();
217 xmlMemoryDump();
218
219 return(0);
220}
221#else
222#include <stdio.h>
223int main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) {
224 printf("%s : XPath/Debug support not compiled in\n", argv[0]);
225 return(0);
226}
227#endif /* LIBXML_XPATH_ENABLED */
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