xref: /reactos/sdk/lib/3rdparty/libxml2/xmlcatalog.c (revision c2c66aff) 
1 /*
2  * xmlcatalog.c : a small utility program to handle XML catalogs
3  *
4  * See Copyright for the status of this software.
5  *
6  * daniel@veillard.com
7  */
8 
9 #include "libxml.h"
10 
11 #include <string.h>
12 #include <stdio.h>
13 #include <stdarg.h>
14 
15 #ifdef HAVE_STDLIB_H
16 #include <stdlib.h>
17 #endif
18 
19 #ifdef HAVE_LIBREADLINE
20 #include <readline/readline.h>
21 #ifdef HAVE_LIBHISTORY
22 #include <readline/history.h>
23 #endif
24 #endif
25 
26 #include <libxml/xmlmemory.h>
27 #include <libxml/uri.h>
28 #include <libxml/catalog.h>
29 #include <libxml/parser.h>
30 #include <libxml/globals.h>
31 
32 #if defined(LIBXML_CATALOG_ENABLED) && defined(LIBXML_OUTPUT_ENABLED)
33 static int shell = 0;
34 static int sgml = 0;
35 static int noout = 0;
36 static int create = 0;
37 static int add = 0;
38 static int del = 0;
39 static int convert = 0;
40 static int no_super_update = 0;
41 static int verbose = 0;
42 static char *filename = NULL;
43 
44 
45 #ifndef XML_SGML_DEFAULT_CATALOG
46 #define XML_SGML_DEFAULT_CATALOG "/etc/sgml/catalog"
47 #endif
48 
49 /************************************************************************
50  *									*
51  *			Shell Interface					*
52  *									*
53  ************************************************************************/
54 /**
55  * xmlShellReadline:
56  * @prompt:  the prompt value
57  *
58  * Read a string
59  *
60  * Returns a pointer to it or NULL on EOF the caller is expected to
61  *     free the returned string.
62  */
63 static char *
64 xmlShellReadline(const char *prompt) {
65 #ifdef HAVE_LIBREADLINE
66     char *line_read;
67 
68     /* Get a line from the user. */
69     line_read = readline (prompt);
70 
71     /* If the line has any text in it, save it on the history. */
72     if (line_read && *line_read)
73 	add_history (line_read);
74 
75     return (line_read);
76 #else
77     char line_read[501];
78     char *ret;
79     int len;
80 
81     if (prompt != NULL)
82 	fprintf(stdout, "%s", prompt);
83     fflush(stdout);
84     if (!fgets(line_read, 500, stdin))
85         return(NULL);
86     line_read[500] = 0;
87     len = strlen(line_read);
88     ret = (char *) malloc(len + 1);
89     if (ret != NULL) {
90 	memcpy (ret, line_read, len + 1);
91     }
92     return(ret);
93 #endif
94 }
95 
96 static void usershell(void) {
97     char *cmdline = NULL, *cur;
98     int nbargs;
99     char command[100];
100     char arg[400];
101     char *argv[20];
102     int i, ret;
103     xmlChar *ans;
104 
105     while (1) {
106 	cmdline = xmlShellReadline("> ");
107 	if (cmdline == NULL)
108 	    return;
109 
110 	/*
111 	 * Parse the command itself
112 	 */
113 	cur = cmdline;
114 	nbargs = 0;
115 	while ((*cur == ' ') || (*cur == '\t')) cur++;
116 	i = 0;
117 	while ((*cur != ' ') && (*cur != '\t') &&
118 	       (*cur != '\n') && (*cur != '\r')) {
119 	    if (*cur == 0)
120 		break;
121 	    command[i++] = *cur++;
122 	}
123 	command[i] = 0;
124 	if (i == 0) {
125 	    free(cmdline);
126 	    continue;
127 	}
128 
129 	/*
130 	 * Parse the argument string
131 	 */
132 	memset(arg, 0, sizeof(arg));
133 	while ((*cur == ' ') || (*cur == '\t')) cur++;
134 	i = 0;
135 	while ((*cur != '\n') && (*cur != '\r') && (*cur != 0)) {
136 	    if (*cur == 0)
137 		break;
138 	    arg[i++] = *cur++;
139 	}
140 	arg[i] = 0;
141 
142 	/*
143 	 * Parse the arguments
144 	 */
145 	i = 0;
146 	nbargs = 0;
147 	cur = arg;
148 	memset(argv, 0, sizeof(argv));
149 	while (*cur != 0) {
150 	    while ((*cur == ' ') || (*cur == '\t')) cur++;
151 	    if (*cur == '\'') {
152 		cur++;
153 		argv[i] = cur;
154 		while ((*cur != 0) && (*cur != '\'')) cur++;
155 		if (*cur == '\'') {
156 		    *cur = 0;
157 		    nbargs++;
158 		    i++;
159 		    cur++;
160 		}
161 	    } else if (*cur == '"') {
162 		cur++;
163 		argv[i] = cur;
164 		while ((*cur != 0) && (*cur != '"')) cur++;
165 		if (*cur == '"') {
166 		    *cur = 0;
167 		    nbargs++;
168 		    i++;
169 		    cur++;
170 		}
171 	    } else {
172 		argv[i] = cur;
173 		while ((*cur != 0) && (*cur != ' ') && (*cur != '\t'))
174 		    cur++;
175 		*cur = 0;
176 		nbargs++;
177 		i++;
178 		cur++;
179 	    }
180 	}
181 
182 	/*
183 	 * start interpreting the command
184 	 */
185 	if (!strcmp(command, "exit") ||
186 	    !strcmp(command, "quit") ||
187 	    !strcmp(command, "bye")) {
188 	    free(cmdline);
189 	    break;
190 	}
191 
192 	if (!strcmp(command, "public")) {
193 	    if (nbargs != 1) {
194 		printf("public requires 1 arguments\n");
195 	    } else {
196 		ans = xmlCatalogResolvePublic((const xmlChar *) argv[0]);
197 		if (ans == NULL) {
198 		    printf("No entry for PUBLIC %s\n", argv[0]);
199 		} else {
200 		    printf("%s\n", (char *) ans);
201 		    xmlFree(ans);
202 		}
203 	    }
204 	} else if (!strcmp(command, "system")) {
205 	    if (nbargs != 1) {
206 		printf("system requires 1 arguments\n");
207 	    } else {
208 		ans = xmlCatalogResolveSystem((const xmlChar *) argv[0]);
209 		if (ans == NULL) {
210 		    printf("No entry for SYSTEM %s\n", argv[0]);
211 		} else {
212 		    printf("%s\n", (char *) ans);
213 		    xmlFree(ans);
214 		}
215 	    }
216 	} else if (!strcmp(command, "add")) {
217 	    if (sgml) {
218 		if ((nbargs != 3) && (nbargs != 2)) {
219 		    printf("add requires 2 or 3 arguments\n");
220 		} else {
221 		    if (argv[2] == NULL)
222 			ret = xmlCatalogAdd(BAD_CAST argv[0], NULL,
223 					    BAD_CAST argv[1]);
224 		    else
225 			ret = xmlCatalogAdd(BAD_CAST argv[0], BAD_CAST argv[1],
226 					    BAD_CAST argv[2]);
227 		    if (ret != 0)
228 			printf("add command failed\n");
229 		}
230 	    } else {
231 		if ((nbargs != 3) && (nbargs != 2)) {
232 		    printf("add requires 2 or 3 arguments\n");
233 		} else {
234 		    if (argv[2] == NULL)
235 			ret = xmlCatalogAdd(BAD_CAST argv[0], NULL,
236 					    BAD_CAST argv[1]);
237 		    else
238 			ret = xmlCatalogAdd(BAD_CAST argv[0], BAD_CAST argv[1],
239 					    BAD_CAST argv[2]);
240 		    if (ret != 0)
241 			printf("add command failed\n");
242 		}
243 	    }
244 	} else if (!strcmp(command, "del")) {
245 	    if (nbargs != 1) {
246 		printf("del requires 1\n");
247 	    } else {
248 		ret = xmlCatalogRemove(BAD_CAST argv[0]);
249 		if (ret <= 0)
250 		    printf("del command failed\n");
251 
252 	    }
253 	} else if (!strcmp(command, "resolve")) {
254 	    if (nbargs != 2) {
255 		printf("resolve requires 2 arguments\n");
256 	    } else {
257 		ans = xmlCatalogResolve(BAD_CAST argv[0],
258 			                BAD_CAST argv[1]);
259 		if (ans == NULL) {
260 		    printf("Resolver failed to find an answer\n");
261 		} else {
262 		    printf("%s\n", (char *) ans);
263 		    xmlFree(ans);
264 		}
265 	    }
266 	} else if (!strcmp(command, "dump")) {
267 	    if (nbargs != 0) {
268 		printf("dump has no arguments\n");
269 	    } else {
270 		xmlCatalogDump(stdout);
271 	    }
272 	} else if (!strcmp(command, "debug")) {
273 	    if (nbargs != 0) {
274 		printf("debug has no arguments\n");
275 	    } else {
276 		verbose++;
277 		xmlCatalogSetDebug(verbose);
278 	    }
279 	} else if (!strcmp(command, "quiet")) {
280 	    if (nbargs != 0) {
281 		printf("quiet has no arguments\n");
282 	    } else {
283 		if (verbose > 0)
284 		    verbose--;
285 		xmlCatalogSetDebug(verbose);
286 	    }
287 	} else {
288 	    if (strcmp(command, "help")) {
289 		printf("Unrecognized command %s\n", command);
290 	    }
291 	    printf("Commands available:\n");
292 	    printf("\tpublic PublicID: make a PUBLIC identifier lookup\n");
293 	    printf("\tsystem SystemID: make a SYSTEM identifier lookup\n");
294 	    printf("\tresolve PublicID SystemID: do a full resolver lookup\n");
295 	    printf("\tadd 'type' 'orig' 'replace' : add an entry\n");
296 	    printf("\tdel 'values' : remove values\n");
297 	    printf("\tdump: print the current catalog state\n");
298 	    printf("\tdebug: increase the verbosity level\n");
299 	    printf("\tquiet: decrease the verbosity level\n");
300 	    printf("\texit:  quit the shell\n");
301 	}
302 	free(cmdline); /* not xmlFree here ! */
303     }
304 }
305 
306 /************************************************************************
307  *									*
308  *			Main						*
309  *									*
310  ************************************************************************/
311 static void usage(const char *name) {
312     /* split into 2 printf's to avoid overly long string (gcc warning) */
313     printf("\
314 Usage : %s [options] catalogfile entities...\n\
315 \tParse the catalog file and query it for the entities\n\
316 \t--sgml : handle SGML Super catalogs for --add and --del\n\
317 \t--shell : run a shell allowing interactive queries\n\
318 \t--create : create a new catalog\n\
319 \t--add 'type' 'orig' 'replace' : add an XML entry\n\
320 \t--add 'entry' : add an SGML entry\n", name);
321     printf("\
322 \t--del 'values' : remove values\n\
323 \t--noout: avoid dumping the result on stdout\n\
324 \t         used with --add or --del, it saves the catalog changes\n\
325 \t         and with --sgml it automatically updates the super catalog\n\
326 \t--no-super-update: do not update the SGML super catalog\n\
327 \t-v --verbose : provide debug informations\n");
328 }
329 int main(int argc, char **argv) {
330     int i;
331     int ret;
332     int exit_value = 0;
333 
334 
335     if (argc <= 1) {
336 	usage(argv[0]);
337 	return(1);
338     }
339 
340     LIBXML_TEST_VERSION
341     for (i = 1; i < argc ; i++) {
342 	if (!strcmp(argv[i], "-"))
343 	    break;
344 
345 	if (argv[i][0] != '-')
346 	    break;
347 	if ((!strcmp(argv[i], "-verbose")) ||
348 	    (!strcmp(argv[i], "-v")) ||
349 	    (!strcmp(argv[i], "--verbose"))) {
350 	    verbose++;
351 	    xmlCatalogSetDebug(verbose);
352 	} else if ((!strcmp(argv[i], "-noout")) ||
353 	    (!strcmp(argv[i], "--noout"))) {
354             noout = 1;
355 	} else if ((!strcmp(argv[i], "-shell")) ||
356 	    (!strcmp(argv[i], "--shell"))) {
357 	    shell++;
358             noout = 1;
359 	} else if ((!strcmp(argv[i], "-sgml")) ||
360 	    (!strcmp(argv[i], "--sgml"))) {
361 	    sgml++;
362 	} else if ((!strcmp(argv[i], "-create")) ||
363 	    (!strcmp(argv[i], "--create"))) {
364 	    create++;
365 	} else if ((!strcmp(argv[i], "-convert")) ||
366 	    (!strcmp(argv[i], "--convert"))) {
367 	    convert++;
368 	} else if ((!strcmp(argv[i], "-no-super-update")) ||
369 	    (!strcmp(argv[i], "--no-super-update"))) {
370 	    no_super_update++;
371 	} else if ((!strcmp(argv[i], "-add")) ||
372 	    (!strcmp(argv[i], "--add"))) {
373 	    if (sgml)
374 		i += 2;
375 	    else
376 		i += 3;
377 	    add++;
378 	} else if ((!strcmp(argv[i], "-del")) ||
379 	    (!strcmp(argv[i], "--del"))) {
380 	    i += 1;
381 	    del++;
382 	} else {
383 	    fprintf(stderr, "Unknown option %s\n", argv[i]);
384 	    usage(argv[0]);
385 	    return(1);
386 	}
387     }
388 
389     for (i = 1; i < argc; i++) {
390 	if ((!strcmp(argv[i], "-add")) ||
391 	    (!strcmp(argv[i], "--add"))) {
392 	    if (sgml)
393 		i += 2;
394 	    else
395 		i += 3;
396 	    continue;
397 	} else if ((!strcmp(argv[i], "-del")) ||
398 	    (!strcmp(argv[i], "--del"))) {
399 	    i += 1;
400 
401 	    /* No catalog entry specified */
402 	    if (i == argc || (sgml && i + 1 == argc)) {
403 		fprintf(stderr, "No catalog entry specified to remove from\n");
404 		usage (argv[0]);
405 		return(1);
406 	    }
407 
408 	    continue;
409 	} else if (argv[i][0] == '-')
410 	    continue;
411 	filename = argv[i];
412 	    ret = xmlLoadCatalog(argv[i]);
413 	    if ((ret < 0) && (create)) {
414 		xmlCatalogAdd(BAD_CAST "catalog", BAD_CAST argv[i], NULL);
415 	    }
416 	break;
417     }
418 
419     if (convert)
420         ret = xmlCatalogConvert();
421 
422     if ((add) || (del)) {
423 	for (i = 1; i < argc ; i++) {
424 	    if (!strcmp(argv[i], "-"))
425 		break;
426 
427 	    if (argv[i][0] != '-')
428 		continue;
429 	    if (strcmp(argv[i], "-add") && strcmp(argv[i], "--add") &&
430 		strcmp(argv[i], "-del") && strcmp(argv[i], "--del"))
431 		continue;
432 
433 	    if (sgml) {
434 		/*
435 		 * Maintenance of SGML catalogs.
436 		 */
437 		xmlCatalogPtr catal = NULL;
438 		xmlCatalogPtr super = NULL;
439 
440 		catal = xmlLoadSGMLSuperCatalog(argv[i + 1]);
441 
442 		if ((!strcmp(argv[i], "-add")) ||
443 		    (!strcmp(argv[i], "--add"))) {
444 		    if (catal == NULL)
445 			catal = xmlNewCatalog(1);
446 		    xmlACatalogAdd(catal, BAD_CAST "CATALOG",
447 					 BAD_CAST argv[i + 2], NULL);
448 
449 		    if (!no_super_update) {
450 			super = xmlLoadSGMLSuperCatalog(XML_SGML_DEFAULT_CATALOG);
451 			if (super == NULL)
452 			    super = xmlNewCatalog(1);
453 
454 			xmlACatalogAdd(super, BAD_CAST "CATALOG",
455 					     BAD_CAST argv[i + 1], NULL);
456 		    }
457 		} else {
458 		    if (catal != NULL)
459 			ret = xmlACatalogRemove(catal, BAD_CAST argv[i + 2]);
460 		    else
461 			ret = -1;
462 		    if (ret < 0) {
463 			fprintf(stderr, "Failed to remove entry from %s\n",
464 				argv[i + 1]);
465 			exit_value = 1;
466 		    }
467 		    if ((!no_super_update) && (noout) && (catal != NULL) &&
468 			(xmlCatalogIsEmpty(catal))) {
469 			super = xmlLoadSGMLSuperCatalog(
470 				   XML_SGML_DEFAULT_CATALOG);
471 			if (super != NULL) {
472 			    ret = xmlACatalogRemove(super,
473 				    BAD_CAST argv[i + 1]);
474 			    if (ret < 0) {
475 				fprintf(stderr,
476 					"Failed to remove entry from %s\n",
477 					XML_SGML_DEFAULT_CATALOG);
478 				exit_value = 1;
479 			    }
480 			}
481 		    }
482 		}
483 		if (noout) {
484 		    FILE *out;
485 
486 		    if (xmlCatalogIsEmpty(catal)) {
487 			remove(argv[i + 1]);
488 		    } else {
489 			out = fopen(argv[i + 1], "w");
490 			if (out == NULL) {
491 			    fprintf(stderr, "could not open %s for saving\n",
492 				    argv[i + 1]);
493 			    exit_value = 2;
494 			    noout = 0;
495 			} else {
496 			    xmlACatalogDump(catal, out);
497 			    fclose(out);
498 			}
499 		    }
500 		    if (!no_super_update && super != NULL) {
501 			if (xmlCatalogIsEmpty(super)) {
502 			    remove(XML_SGML_DEFAULT_CATALOG);
503 			} else {
504 			    out = fopen(XML_SGML_DEFAULT_CATALOG, "w");
505 			    if (out == NULL) {
506 				fprintf(stderr,
507 					"could not open %s for saving\n",
508 					XML_SGML_DEFAULT_CATALOG);
509 				exit_value = 2;
510 				noout = 0;
511 			    } else {
512 
513 				xmlACatalogDump(super, out);
514 				fclose(out);
515 			    }
516 			}
517 		    }
518 		} else {
519 		    xmlACatalogDump(catal, stdout);
520 		}
521 		i += 2;
522 	    } else {
523 		if ((!strcmp(argv[i], "-add")) ||
524 		    (!strcmp(argv[i], "--add"))) {
525 			if ((argv[i + 3] == NULL) || (argv[i + 3][0] == 0))
526 			    ret = xmlCatalogAdd(BAD_CAST argv[i + 1], NULL,
527 						BAD_CAST argv[i + 2]);
528 			else
529 			    ret = xmlCatalogAdd(BAD_CAST argv[i + 1],
530 						BAD_CAST argv[i + 2],
531 						BAD_CAST argv[i + 3]);
532 			if (ret != 0) {
533 			    printf("add command failed\n");
534 			    exit_value = 3;
535 			}
536 			i += 3;
537 		} else if ((!strcmp(argv[i], "-del")) ||
538 		    (!strcmp(argv[i], "--del"))) {
539 		    ret = xmlCatalogRemove(BAD_CAST argv[i + 1]);
540 		    if (ret < 0) {
541 			fprintf(stderr, "Failed to remove entry %s\n",
542 				argv[i + 1]);
543 			exit_value = 1;
544 		    }
545 		    i += 1;
546 		}
547 	    }
548 	}
549 
550     } else if (shell) {
551 	usershell();
552     } else {
553 	for (i++; i < argc; i++) {
554 	    xmlURIPtr uri;
555 	    xmlChar *ans;
556 
557 	    uri = xmlParseURI(argv[i]);
558 	    if (uri == NULL) {
559 		ans = xmlCatalogResolvePublic((const xmlChar *) argv[i]);
560 		if (ans == NULL) {
561 		    printf("No entry for PUBLIC %s\n", argv[i]);
562 		    exit_value = 4;
563 		} else {
564 		    printf("%s\n", (char *) ans);
565 		    xmlFree(ans);
566 		}
567 	    } else {
568                 xmlFreeURI(uri);
569 		ans = xmlCatalogResolveSystem((const xmlChar *) argv[i]);
570 		if (ans == NULL) {
571 		    printf("No entry for SYSTEM %s\n", argv[i]);
572 		    ans = xmlCatalogResolveURI ((const xmlChar *) argv[i]);
573 		    if (ans == NULL) {
574 			printf ("No entry for URI %s\n", argv[i]);
575 		        exit_value = 4;
576 		    } else {
577 		        printf("%s\n", (char *) ans);
578 			xmlFree (ans);
579 		    }
580 		} else {
581 		    printf("%s\n", (char *) ans);
582 		    xmlFree(ans);
583 		}
584 	    }
585 	}
586     }
587     if ((!sgml) && ((add) || (del) || (create) || (convert))) {
588 	if (noout && filename && *filename) {
589 	    FILE *out;
590 
591 	    out = fopen(filename, "w");
592 	    if (out == NULL) {
593 		fprintf(stderr, "could not open %s for saving\n", filename);
594 		exit_value = 2;
595 		noout = 0;
596 	    } else {
597 		xmlCatalogDump(out);
598 	    }
599 	} else {
600 	    xmlCatalogDump(stdout);
601 	}
602     }
603 
604     /*
605      * Cleanup and check for memory leaks
606      */
607     xmlCleanupParser();
608     xmlMemoryDump();
609     return(exit_value);
610 }
611 #else
612 int main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) {
613     fprintf(stderr, "libxml was not compiled with catalog and output support\n");
614     return(1);
615 }
616 #endif
617