2 * testRegexp.c: simple module for testing regular expressions
4 * See Copyright for the status of this software.
6 * Daniel Veillard <veillard@redhat.com>
10 #ifdef LIBXML_REGEXP_ENABLED
13 #include <libxml/tree.h>
14 #include <libxml/xmlregexp.h>
16 static int repeat = 0;
19 static void testRegexp(xmlRegexpPtr comp, const char *value) {
22 ret = xmlRegexpExec(comp, (const xmlChar *) value);
24 printf("%s: Ok\n", value);
26 printf("%s: Fail\n", value);
28 printf("%s: Error: %d\n", value, ret);
31 for (j = 0;j < 999999;j++)
32 xmlRegexpExec(comp, (const xmlChar *) value);
37 testRegexpFile(const char *filename) {
38 xmlRegexpPtr comp = NULL;
40 char expression[5000];
43 input = fopen(filename, "r");
45 xmlGenericError(xmlGenericErrorContext,
46 "Cannot open %s for reading\n", filename);
49 while (fgets(expression, 4500, input) != NULL) {
50 len = strlen(expression);
53 ((expression[len] == '\n') || (expression[len] == '\t') ||
54 (expression[len] == '\r') || (expression[len] == ' '))) len--;
55 expression[len + 1] = 0;
57 if (expression[0] == '#')
59 if ((expression[0] == '=') && (expression[1] == '>')) {
60 char *pattern = &expression[2];
63 xmlRegFreeRegexp(comp);
66 printf("Regexp: %s\n", pattern) ;
67 comp = xmlRegexpCompile((const xmlChar *) pattern);
69 printf(" failed to compile\n");
72 } else if (comp == NULL) {
73 printf("Regexp: %s\n", expression) ;
74 comp = xmlRegexpCompile((const xmlChar *) expression);
76 printf(" failed to compile\n");
79 } else if (comp != NULL) {
80 testRegexp(comp, expression);
86 xmlRegFreeRegexp(comp);
89 #ifdef LIBXML_EXPR_ENABLED
91 runFileTest(xmlExpCtxtPtr ctxt, const char *filename) {
92 xmlExpNodePtr expr = NULL, sub;
94 char expression[5000];
97 input = fopen(filename, "r");
99 xmlGenericError(xmlGenericErrorContext,
100 "Cannot open %s for reading\n", filename);
103 while (fgets(expression, 4500, input) != NULL) {
104 len = strlen(expression);
107 ((expression[len] == '\n') || (expression[len] == '\t') ||
108 (expression[len] == '\r') || (expression[len] == ' '))) len--;
109 expression[len + 1] = 0;
111 if (expression[0] == '#')
113 if ((expression[0] == '=') && (expression[1] == '>')) {
114 char *str = &expression[2];
117 xmlExpFree(ctxt, expr);
118 if (xmlExpCtxtNbNodes(ctxt) != 0)
119 printf(" Parse/free of Expression leaked %d\n",
120 xmlExpCtxtNbNodes(ctxt));
123 printf("Expression: %s\n", str) ;
124 expr = xmlExpParse(ctxt, str);
126 printf(" parsing Failed\n");
129 } else if (expr != NULL) {
133 if (expression[0] == '0')
135 if (expression[0] == '1')
137 printf("Subexp: %s", expression + 2) ;
138 nodes1 = xmlExpCtxtNbNodes(ctxt);
139 sub = xmlExpParse(ctxt, expression + 2);
141 printf(" parsing Failed\n");
146 nodes2 = xmlExpCtxtNbNodes(ctxt);
147 ret = xmlExpSubsume(ctxt, expr, sub);
149 if ((expect == 1) && (ret == 1)) {
150 printf(" => accept, Ok\n");
151 } else if ((expect == 0) && (ret == 0)) {
152 printf(" => reject, Ok\n");
153 } else if ((expect == 1) && (ret == 0)) {
154 printf(" => reject, Failed\n");
155 } else if ((expect == 0) && (ret == 1)) {
156 printf(" => accept, Failed\n");
158 printf(" => fail internally\n");
160 if (xmlExpCtxtNbNodes(ctxt) > nodes2) {
161 printf(" Subsume leaked %d\n",
162 xmlExpCtxtNbNodes(ctxt) - nodes2);
163 nodes1 += xmlExpCtxtNbNodes(ctxt) - nodes2;
165 xmlExpFree(ctxt, sub);
166 if (xmlExpCtxtNbNodes(ctxt) > nodes1) {
167 printf(" Parse/free leaked %d\n",
168 xmlExpCtxtNbNodes(ctxt) - nodes1);
176 xmlExpFree(ctxt, expr);
177 if (xmlExpCtxtNbNodes(ctxt) != 0)
178 printf(" Parse/free of Expression leaked %d\n",
179 xmlExpCtxtNbNodes(ctxt));
185 testReduce(xmlExpCtxtPtr ctxt, xmlExpNodePtr expr, const char *tst) {
186 xmlBufferPtr xmlExpBuf;
187 xmlExpNodePtr sub, deriv;
188 xmlExpBuf = xmlBufferCreate();
190 sub = xmlExpParse(ctxt, tst);
192 printf("Subset %s failed to parse\n", tst);
195 xmlExpDump(xmlExpBuf, sub);
196 printf("Subset parsed as: %s\n",
197 (const char *) xmlBufferContent(xmlExpBuf));
198 deriv = xmlExpExpDerive(ctxt, expr, sub);
200 printf("Derivation led to an internal error, report this !\n");
203 xmlBufferEmpty(xmlExpBuf);
204 xmlExpDump(xmlExpBuf, deriv);
205 if (xmlExpIsNillable(deriv))
206 printf("Resulting nillable derivation: %s\n",
207 (const char *) xmlBufferContent(xmlExpBuf));
209 printf("Resulting derivation: %s\n",
210 (const char *) xmlBufferContent(xmlExpBuf));
211 xmlExpFree(ctxt, deriv);
213 xmlExpFree(ctxt, sub);
217 exprDebug(xmlExpCtxtPtr ctxt, xmlExpNodePtr expr) {
218 xmlBufferPtr xmlExpBuf;
220 const char *list[40];
223 xmlExpBuf = xmlBufferCreate();
226 printf("Failed to parse\n");
229 xmlExpDump(xmlExpBuf, expr);
230 printf("Parsed as: %s\n", (const char *) xmlBufferContent(xmlExpBuf));
231 printf("Max token input = %d\n", xmlExpMaxToken(expr));
232 if (xmlExpIsNillable(expr) == 1)
233 printf("Is nillable\n");
234 ret = xmlExpGetLanguage(ctxt, expr, (const xmlChar **) &list[0], 40);
236 printf("Failed to get list: %d\n", ret);
240 printf("Language has %d strings, testing string derivations\n", ret);
241 for (i = 0;i < ret;i++) {
242 deriv = xmlExpStringDerive(ctxt, expr, BAD_CAST list[i], -1);
244 printf(" %s -> derivation failed\n", list[i]);
246 xmlBufferEmpty(xmlExpBuf);
247 xmlExpDump(xmlExpBuf, deriv);
248 printf(" %s -> %s\n", list[i],
249 (const char *) xmlBufferContent(xmlExpBuf));
251 xmlExpFree(ctxt, deriv);
254 xmlBufferFree(xmlExpBuf);
258 static void usage(const char *name) {
259 fprintf(stderr, "Usage: %s [flags]\n", name);
260 fprintf(stderr, "Testing tool for libxml2 string and pattern regexps\n");
261 fprintf(stderr, " --debug: switch on debugging\n");
262 fprintf(stderr, " --repeat: loop on the operation\n");
263 #ifdef LIBXML_EXPR_ENABLED
264 fprintf(stderr, " --expr: test xmlExp and not xmlRegexp\n");
266 fprintf(stderr, " --input filename: use the given filename for regexp\n");
267 fprintf(stderr, " --input filename: use the given filename for exp\n");
270 int main(int argc, char **argv) {
271 xmlRegexpPtr comp = NULL;
272 #ifdef LIBXML_EXPR_ENABLED
273 xmlExpNodePtr expr = NULL;
275 xmlExpCtxtPtr ctxt = NULL;
277 const char *pattern = NULL;
278 char *filename = NULL;
287 for (i = 1; i < argc ; i++) {
288 if (!strcmp(argv[i], "-"))
291 if (argv[i][0] != '-')
293 if (!strcmp(argv[i], "--"))
296 if ((!strcmp(argv[i], "-debug")) || (!strcmp(argv[i], "--debug"))) {
298 } else if ((!strcmp(argv[i], "-repeat")) ||
299 (!strcmp(argv[i], "--repeat"))) {
301 #ifdef LIBXML_EXPR_ENABLED
302 } else if ((!strcmp(argv[i], "-expr")) ||
303 (!strcmp(argv[i], "--expr"))) {
306 } else if ((!strcmp(argv[i], "-i")) || (!strcmp(argv[i], "-f")) ||
307 (!strcmp(argv[i], "--input")))
308 filename = argv[++i];
310 fprintf(stderr, "Unknown option %s\n", argv[i]);
315 #ifdef LIBXML_EXPR_ENABLED
317 ctxt = xmlExpNewCtxt(0, NULL);
320 if (filename != NULL) {
321 #ifdef LIBXML_EXPR_ENABLED
323 runFileTest(ctxt, filename);
326 testRegexpFile(filename);
329 #ifdef LIBXML_EXPR_ENABLED
332 for (i = 1; i < argc ; i++) {
333 if (strcmp(argv[i], "--") == 0)
335 else if ((argv[i][0] != '-') || (strcmp(argv[i], "-") == 0) ||
337 if (pattern == NULL) {
339 printf("Testing expr %s:\n", pattern);
340 expr = xmlExpParse(ctxt, pattern);
342 printf(" failed to compile\n");
346 exprDebug(ctxt, expr);
349 testReduce(ctxt, expr, argv[i]);
354 xmlExpFree(ctxt, expr);
360 for (i = 1; i < argc ; i++) {
361 if (strcmp(argv[i], "--") == 0)
363 else if ((argv[i][0] != '-') || (strcmp(argv[i], "-") == 0) ||
365 if (pattern == NULL) {
367 printf("Testing %s:\n", pattern);
368 comp = xmlRegexpCompile((const xmlChar *) pattern);
370 printf(" failed to compile\n");
374 xmlRegexpPrint(stdout, comp);
376 testRegexp(comp, argv[i]);
381 xmlRegFreeRegexp(comp);
384 #ifdef LIBXML_EXPR_ENABLED
386 printf("Ops: %d nodes, %d cons\n",
387 xmlExpCtxtNbNodes(ctxt), xmlExpCtxtNbCons(ctxt));
388 xmlExpFreeCtxt(ctxt);
398 int main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) {
399 printf("%s : Regexp support not compiled in\n", argv[0]);
402 #endif /* LIBXML_REGEXP_ENABLED */