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1 /*
2  * testHTML.c : a small tester program for HTML input.
3  *
4  * See Copyright for the status of this software.
5  *
6  * daniel@veillard.com
7  */
8 
9 #include "libxml.h"
10 
11 #ifdef LIBXML_HTML_ENABLED
12 
13 #include <string.h>
14 #include <stdarg.h>
15 
16 
17 #ifdef HAVE_SYS_TYPES_H
18 #include <sys/types.h>
19 #endif
20 #ifdef HAVE_SYS_STAT_H
21 #include <sys/stat.h>
22 #endif
23 #ifdef HAVE_FCNTL_H
24 #include <fcntl.h>
25 #endif
26 #ifdef HAVE_UNISTD_H
27 #include <unistd.h>
28 #endif
29 #ifdef HAVE_STDLIB_H
30 #include <stdlib.h>
31 #endif
32 
33 #include <libxml/xmlmemory.h>
34 #include <libxml/HTMLparser.h>
35 #include <libxml/HTMLtree.h>
36 #include <libxml/debugXML.h>
37 #include <libxml/xmlerror.h>
38 #include <libxml/globals.h>
39 
40 #ifdef LIBXML_DEBUG_ENABLED
41 static int debug = 0;
42 #endif
43 static int copy = 0;
44 static int sax = 0;
45 static int repeat = 0;
46 static int noout = 0;
47 #ifdef LIBXML_PUSH_ENABLED
48 static int push = 0;
49 #endif /* LIBXML_PUSH_ENABLED */
50 static char *encoding = NULL;
51 static int options = 0;
52 
53 static xmlSAXHandler emptySAXHandlerStruct = {
54     NULL, /* internalSubset */
55     NULL, /* isStandalone */
56     NULL, /* hasInternalSubset */
57     NULL, /* hasExternalSubset */
58     NULL, /* resolveEntity */
59     NULL, /* getEntity */
60     NULL, /* entityDecl */
61     NULL, /* notationDecl */
62     NULL, /* attributeDecl */
63     NULL, /* elementDecl */
64     NULL, /* unparsedEntityDecl */
65     NULL, /* setDocumentLocator */
66     NULL, /* startDocument */
67     NULL, /* endDocument */
68     NULL, /* startElement */
69     NULL, /* endElement */
70     NULL, /* reference */
71     NULL, /* characters */
72     NULL, /* ignorableWhitespace */
73     NULL, /* processingInstruction */
74     NULL, /* comment */
75     NULL, /* xmlParserWarning */
76     NULL, /* xmlParserError */
77     NULL, /* xmlParserError */
78     NULL, /* getParameterEntity */
79     NULL, /* cdataBlock */
80     NULL, /* externalSubset */
81     1,    /* initialized */
82     NULL, /* private */
83     NULL, /* startElementNsSAX2Func */
84     NULL, /* endElementNsSAX2Func */
85     NULL  /* xmlStructuredErrorFunc */
86 };
87 
88 static xmlSAXHandlerPtr emptySAXHandler = &emptySAXHandlerStruct;
89 extern xmlSAXHandlerPtr debugSAXHandler;
90 
91 /************************************************************************
92  *									*
93  *				Debug Handlers				*
94  *									*
95  ************************************************************************/
96 
97 /**
98  * isStandaloneDebug:
99  * @ctxt:  An XML parser context
100  *
101  * Is this document tagged standalone ?
102  *
103  * Returns 1 if true
104  */
105 static int
isStandaloneDebug(void * ctx ATTRIBUTE_UNUSED)106 isStandaloneDebug(void *ctx ATTRIBUTE_UNUSED)
107 {
108     fprintf(stdout, "SAX.isStandalone()\n");
109     return(0);
110 }
111 
112 /**
113  * hasInternalSubsetDebug:
114  * @ctxt:  An XML parser context
115  *
116  * Does this document has an internal subset
117  *
118  * Returns 1 if true
119  */
120 static int
hasInternalSubsetDebug(void * ctx ATTRIBUTE_UNUSED)121 hasInternalSubsetDebug(void *ctx ATTRIBUTE_UNUSED)
122 {
123     fprintf(stdout, "SAX.hasInternalSubset()\n");
124     return(0);
125 }
126 
127 /**
128  * hasExternalSubsetDebug:
129  * @ctxt:  An XML parser context
130  *
131  * Does this document has an external subset
132  *
133  * Returns 1 if true
134  */
135 static int
hasExternalSubsetDebug(void * ctx ATTRIBUTE_UNUSED)136 hasExternalSubsetDebug(void *ctx ATTRIBUTE_UNUSED)
137 {
138     fprintf(stdout, "SAX.hasExternalSubset()\n");
139     return(0);
140 }
141 
142 /**
143  * hasInternalSubsetDebug:
144  * @ctxt:  An XML parser context
145  *
146  * Does this document has an internal subset
147  */
148 static void
internalSubsetDebug(void * ctx ATTRIBUTE_UNUSED,const xmlChar * name,const xmlChar * ExternalID,const xmlChar * SystemID)149 internalSubsetDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name,
150 	       const xmlChar *ExternalID, const xmlChar *SystemID)
151 {
152     fprintf(stdout, "SAX.internalSubset(%s,", name);
153     if (ExternalID == NULL)
154 	fprintf(stdout, " ,");
155     else
156 	fprintf(stdout, " %s,", ExternalID);
157     if (SystemID == NULL)
158 	fprintf(stdout, " )\n");
159     else
160 	fprintf(stdout, " %s)\n", SystemID);
161 }
162 
163 /**
164  * resolveEntityDebug:
165  * @ctxt:  An XML parser context
166  * @publicId: The public ID of the entity
167  * @systemId: The system ID of the entity
168  *
169  * Special entity resolver, better left to the parser, it has
170  * more context than the application layer.
171  * The default behaviour is to NOT resolve the entities, in that case
172  * the ENTITY_REF nodes are built in the structure (and the parameter
173  * values).
174  *
175  * Returns the xmlParserInputPtr if inlined or NULL for DOM behaviour.
176  */
177 static xmlParserInputPtr
resolveEntityDebug(void * ctx ATTRIBUTE_UNUSED,const xmlChar * publicId,const xmlChar * systemId)178 resolveEntityDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *publicId, const xmlChar *systemId)
179 {
180     /* xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; */
181 
182 
183     fprintf(stdout, "SAX.resolveEntity(");
184     if (publicId != NULL)
185 	fprintf(stdout, "%s", (char *)publicId);
186     else
187 	fprintf(stdout, " ");
188     if (systemId != NULL)
189 	fprintf(stdout, ", %s)\n", (char *)systemId);
190     else
191 	fprintf(stdout, ", )\n");
192 /*********
193     if (systemId != NULL) {
194         return(xmlNewInputFromFile(ctxt, (char *) systemId));
195     }
196  *********/
197     return(NULL);
198 }
199 
200 /**
201  * getEntityDebug:
202  * @ctxt:  An XML parser context
203  * @name: The entity name
204  *
205  * Get an entity by name
206  *
207  * Returns the xmlParserInputPtr if inlined or NULL for DOM behaviour.
208  */
209 static xmlEntityPtr
getEntityDebug(void * ctx ATTRIBUTE_UNUSED,const xmlChar * name)210 getEntityDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name)
211 {
212     fprintf(stdout, "SAX.getEntity(%s)\n", name);
213     return(NULL);
214 }
215 
216 /**
217  * getParameterEntityDebug:
218  * @ctxt:  An XML parser context
219  * @name: The entity name
220  *
221  * Get a parameter entity by name
222  *
223  * Returns the xmlParserInputPtr
224  */
225 static xmlEntityPtr
getParameterEntityDebug(void * ctx ATTRIBUTE_UNUSED,const xmlChar * name)226 getParameterEntityDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name)
227 {
228     fprintf(stdout, "SAX.getParameterEntity(%s)\n", name);
229     return(NULL);
230 }
231 
232 
233 /**
234  * entityDeclDebug:
235  * @ctxt:  An XML parser context
236  * @name:  the entity name
237  * @type:  the entity type
238  * @publicId: The public ID of the entity
239  * @systemId: The system ID of the entity
240  * @content: the entity value (without processing).
241  *
242  * An entity definition has been parsed
243  */
244 static void
entityDeclDebug(void * ctx ATTRIBUTE_UNUSED,const xmlChar * name,int type,const xmlChar * publicId,const xmlChar * systemId,xmlChar * content)245 entityDeclDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name, int type,
246           const xmlChar *publicId, const xmlChar *systemId, xmlChar *content)
247 {
248     fprintf(stdout, "SAX.entityDecl(%s, %d, %s, %s, %s)\n",
249             name, type, publicId, systemId, content);
250 }
251 
252 /**
253  * attributeDeclDebug:
254  * @ctxt:  An XML parser context
255  * @name:  the attribute name
256  * @type:  the attribute type
257  *
258  * An attribute definition has been parsed
259  */
260 static void
attributeDeclDebug(void * ctx ATTRIBUTE_UNUSED,const xmlChar * elem,const xmlChar * name,int type,int def,const xmlChar * defaultValue,xmlEnumerationPtr tree ATTRIBUTE_UNUSED)261 attributeDeclDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *elem, const xmlChar *name,
262               int type, int def, const xmlChar *defaultValue,
263 	      xmlEnumerationPtr tree ATTRIBUTE_UNUSED)
264 {
265     fprintf(stdout, "SAX.attributeDecl(%s, %s, %d, %d, %s, ...)\n",
266             elem, name, type, def, defaultValue);
267 }
268 
269 /**
270  * elementDeclDebug:
271  * @ctxt:  An XML parser context
272  * @name:  the element name
273  * @type:  the element type
274  * @content: the element value (without processing).
275  *
276  * An element definition has been parsed
277  */
278 static void
elementDeclDebug(void * ctx ATTRIBUTE_UNUSED,const xmlChar * name,int type,xmlElementContentPtr content ATTRIBUTE_UNUSED)279 elementDeclDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name, int type,
280 	    xmlElementContentPtr content ATTRIBUTE_UNUSED)
281 {
282     fprintf(stdout, "SAX.elementDecl(%s, %d, ...)\n",
283             name, type);
284 }
285 
286 /**
287  * notationDeclDebug:
288  * @ctxt:  An XML parser context
289  * @name: The name of the notation
290  * @publicId: The public ID of the entity
291  * @systemId: The system ID of the entity
292  *
293  * What to do when a notation declaration has been parsed.
294  */
295 static void
notationDeclDebug(void * ctx ATTRIBUTE_UNUSED,const xmlChar * name,const xmlChar * publicId,const xmlChar * systemId)296 notationDeclDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name,
297 	     const xmlChar *publicId, const xmlChar *systemId)
298 {
299     fprintf(stdout, "SAX.notationDecl(%s, %s, %s)\n",
300             (char *) name, (char *) publicId, (char *) systemId);
301 }
302 
303 /**
304  * unparsedEntityDeclDebug:
305  * @ctxt:  An XML parser context
306  * @name: The name of the entity
307  * @publicId: The public ID of the entity
308  * @systemId: The system ID of the entity
309  * @notationName: the name of the notation
310  *
311  * What to do when an unparsed entity declaration is parsed
312  */
313 static void
unparsedEntityDeclDebug(void * ctx ATTRIBUTE_UNUSED,const xmlChar * name,const xmlChar * publicId,const xmlChar * systemId,const xmlChar * notationName)314 unparsedEntityDeclDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name,
315 		   const xmlChar *publicId, const xmlChar *systemId,
316 		   const xmlChar *notationName)
317 {
318     fprintf(stdout, "SAX.unparsedEntityDecl(%s, %s, %s, %s)\n",
319             (char *) name, (char *) publicId, (char *) systemId,
320 	    (char *) notationName);
321 }
322 
323 /**
324  * setDocumentLocatorDebug:
325  * @ctxt:  An XML parser context
326  * @loc: A SAX Locator
327  *
328  * Receive the document locator at startup, actually xmlDefaultSAXLocator
329  * Everything is available on the context, so this is useless in our case.
330  */
331 static void
setDocumentLocatorDebug(void * ctx ATTRIBUTE_UNUSED,xmlSAXLocatorPtr loc ATTRIBUTE_UNUSED)332 setDocumentLocatorDebug(void *ctx ATTRIBUTE_UNUSED, xmlSAXLocatorPtr loc ATTRIBUTE_UNUSED)
333 {
334     fprintf(stdout, "SAX.setDocumentLocator()\n");
335 }
336 
337 /**
338  * startDocumentDebug:
339  * @ctxt:  An XML parser context
340  *
341  * called when the document start being processed.
342  */
343 static void
startDocumentDebug(void * ctx ATTRIBUTE_UNUSED)344 startDocumentDebug(void *ctx ATTRIBUTE_UNUSED)
345 {
346     fprintf(stdout, "SAX.startDocument()\n");
347 }
348 
349 /**
350  * endDocumentDebug:
351  * @ctxt:  An XML parser context
352  *
353  * called when the document end has been detected.
354  */
355 static void
endDocumentDebug(void * ctx ATTRIBUTE_UNUSED)356 endDocumentDebug(void *ctx ATTRIBUTE_UNUSED)
357 {
358     fprintf(stdout, "SAX.endDocument()\n");
359 }
360 
361 /**
362  * startElementDebug:
363  * @ctxt:  An XML parser context
364  * @name:  The element name
365  *
366  * called when an opening tag has been processed.
367  */
368 static void
startElementDebug(void * ctx ATTRIBUTE_UNUSED,const xmlChar * name,const xmlChar ** atts)369 startElementDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name, const xmlChar **atts)
370 {
371     int i;
372 
373     fprintf(stdout, "SAX.startElement(%s", (char *) name);
374     if (atts != NULL) {
375         for (i = 0;(atts[i] != NULL);i++) {
376 	    fprintf(stdout, ", %s", atts[i++]);
377 	    if (atts[i] != NULL) {
378 		unsigned char output[40];
379 		const unsigned char *att = atts[i];
380 		int outlen, attlen;
381 	        fprintf(stdout, "='");
382 		while ((attlen = strlen((char*)att)) > 0) {
383 		    outlen = sizeof output - 1;
384 		    htmlEncodeEntities(output, &outlen, att, &attlen, '\'');
385 		    output[outlen] = 0;
386 		    fprintf(stdout, "%s", (char *) output);
387 		    att += attlen;
388 		}
389 		fprintf(stdout, "'");
390 	    }
391 	}
392     }
393     fprintf(stdout, ")\n");
394 }
395 
396 /**
397  * endElementDebug:
398  * @ctxt:  An XML parser context
399  * @name:  The element name
400  *
401  * called when the end of an element has been detected.
402  */
403 static void
endElementDebug(void * ctx ATTRIBUTE_UNUSED,const xmlChar * name)404 endElementDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name)
405 {
406     fprintf(stdout, "SAX.endElement(%s)\n", (char *) name);
407 }
408 
409 /**
410  * charactersDebug:
411  * @ctxt:  An XML parser context
412  * @ch:  a xmlChar string
413  * @len: the number of xmlChar
414  *
415  * receiving some chars from the parser.
416  * Question: how much at a time ???
417  */
418 static void
charactersDebug(void * ctx ATTRIBUTE_UNUSED,const xmlChar * ch,int len)419 charactersDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *ch, int len)
420 {
421     unsigned char output[40];
422     int inlen = len, outlen = 30;
423 
424     htmlEncodeEntities(output, &outlen, ch, &inlen, 0);
425     output[outlen] = 0;
426 
427     fprintf(stdout, "SAX.characters(%s, %d)\n", output, len);
428 }
429 
430 /**
431  * cdataDebug:
432  * @ctxt:  An XML parser context
433  * @ch:  a xmlChar string
434  * @len: the number of xmlChar
435  *
436  * receiving some cdata chars from the parser.
437  * Question: how much at a time ???
438  */
439 static void
cdataDebug(void * ctx ATTRIBUTE_UNUSED,const xmlChar * ch,int len)440 cdataDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *ch, int len)
441 {
442     unsigned char output[40];
443     int inlen = len, outlen = 30;
444 
445     htmlEncodeEntities(output, &outlen, ch, &inlen, 0);
446     output[outlen] = 0;
447 
448     fprintf(stdout, "SAX.cdata(%s, %d)\n", output, len);
449 }
450 
451 /**
452  * referenceDebug:
453  * @ctxt:  An XML parser context
454  * @name:  The entity name
455  *
456  * called when an entity reference is detected.
457  */
458 static void
referenceDebug(void * ctx ATTRIBUTE_UNUSED,const xmlChar * name)459 referenceDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name)
460 {
461     fprintf(stdout, "SAX.reference(%s)\n", name);
462 }
463 
464 /**
465  * ignorableWhitespaceDebug:
466  * @ctxt:  An XML parser context
467  * @ch:  a xmlChar string
468  * @start: the first char in the string
469  * @len: the number of xmlChar
470  *
471  * receiving some ignorable whitespaces from the parser.
472  * Question: how much at a time ???
473  */
474 static void
ignorableWhitespaceDebug(void * ctx ATTRIBUTE_UNUSED,const xmlChar * ch,int len)475 ignorableWhitespaceDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *ch, int len)
476 {
477     char output[40];
478     int i;
479 
480     for (i = 0;(i<len) && (i < 30);i++)
481 	output[i] = ch[i];
482     output[i] = 0;
483 
484     fprintf(stdout, "SAX.ignorableWhitespace(%s, %d)\n", output, len);
485 }
486 
487 /**
488  * processingInstructionDebug:
489  * @ctxt:  An XML parser context
490  * @target:  the target name
491  * @data: the PI data's
492  * @len: the number of xmlChar
493  *
494  * A processing instruction has been parsed.
495  */
496 static void
processingInstructionDebug(void * ctx ATTRIBUTE_UNUSED,const xmlChar * target,const xmlChar * data)497 processingInstructionDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *target,
498                       const xmlChar *data)
499 {
500     fprintf(stdout, "SAX.processingInstruction(%s, %s)\n",
501             (char *) target, (char *) data);
502 }
503 
504 /**
505  * commentDebug:
506  * @ctxt:  An XML parser context
507  * @value:  the comment content
508  *
509  * A comment has been parsed.
510  */
511 static void
commentDebug(void * ctx ATTRIBUTE_UNUSED,const xmlChar * value)512 commentDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *value)
513 {
514     fprintf(stdout, "SAX.comment(%s)\n", value);
515 }
516 
517 /**
518  * warningDebug:
519  * @ctxt:  An XML parser context
520  * @msg:  the message to display/transmit
521  * @...:  extra parameters for the message display
522  *
523  * Display and format a warning messages, gives file, line, position and
524  * extra parameters.
525  */
526 static void XMLCDECL
warningDebug(void * ctx ATTRIBUTE_UNUSED,const char * msg,...)527 warningDebug(void *ctx ATTRIBUTE_UNUSED, const char *msg, ...)
528 {
529     va_list args;
530 
531     va_start(args, msg);
532     fprintf(stdout, "SAX.warning: ");
533     vfprintf(stdout, msg, args);
534     va_end(args);
535 }
536 
537 /**
538  * errorDebug:
539  * @ctxt:  An XML parser context
540  * @msg:  the message to display/transmit
541  * @...:  extra parameters for the message display
542  *
543  * Display and format a error messages, gives file, line, position and
544  * extra parameters.
545  */
546 static void XMLCDECL
errorDebug(void * ctx ATTRIBUTE_UNUSED,const char * msg,...)547 errorDebug(void *ctx ATTRIBUTE_UNUSED, const char *msg, ...)
548 {
549     va_list args;
550 
551     va_start(args, msg);
552     fprintf(stdout, "SAX.error: ");
553     vfprintf(stdout, msg, args);
554     va_end(args);
555 }
556 
557 /**
558  * fatalErrorDebug:
559  * @ctxt:  An XML parser context
560  * @msg:  the message to display/transmit
561  * @...:  extra parameters for the message display
562  *
563  * Display and format a fatalError messages, gives file, line, position and
564  * extra parameters.
565  */
566 static void XMLCDECL
fatalErrorDebug(void * ctx ATTRIBUTE_UNUSED,const char * msg,...)567 fatalErrorDebug(void *ctx ATTRIBUTE_UNUSED, const char *msg, ...)
568 {
569     va_list args;
570 
571     va_start(args, msg);
572     fprintf(stdout, "SAX.fatalError: ");
573     vfprintf(stdout, msg, args);
574     va_end(args);
575 }
576 
577 static xmlSAXHandler debugSAXHandlerStruct = {
578     internalSubsetDebug,
579     isStandaloneDebug,
580     hasInternalSubsetDebug,
581     hasExternalSubsetDebug,
582     resolveEntityDebug,
583     getEntityDebug,
584     entityDeclDebug,
585     notationDeclDebug,
586     attributeDeclDebug,
587     elementDeclDebug,
588     unparsedEntityDeclDebug,
589     setDocumentLocatorDebug,
590     startDocumentDebug,
591     endDocumentDebug,
592     startElementDebug,
593     endElementDebug,
594     referenceDebug,
595     charactersDebug,
596     ignorableWhitespaceDebug,
597     processingInstructionDebug,
598     commentDebug,
599     warningDebug,
600     errorDebug,
601     fatalErrorDebug,
602     getParameterEntityDebug,
603     cdataDebug,
604     NULL,
605     1,
606     NULL,
607     NULL,
608     NULL,
609     NULL
610 };
611 
612 xmlSAXHandlerPtr debugSAXHandler = &debugSAXHandlerStruct;
613 /************************************************************************
614  *									*
615  *				Debug					*
616  *									*
617  ************************************************************************/
618 
619 static void
parseSAXFile(char * filename)620 parseSAXFile(char *filename) {
621     htmlDocPtr doc = NULL;
622 
623     /*
624      * Empty callbacks for checking
625      */
626 #ifdef LIBXML_PUSH_ENABLED
627     if (push) {
628 	FILE *f;
629 
630 #if defined(_WIN32) || defined (__DJGPP__) && !defined (__CYGWIN__)
631 	f = fopen(filename, "rb");
632 #else
633 	f = fopen(filename, "r");
634 #endif
635 	if (f != NULL) {
636 	    int res, size = 3;
637 	    char chars[4096];
638 	    htmlParserCtxtPtr ctxt;
639 
640 	    /* if (repeat) */
641 		size = 4096;
642 	    res = fread(chars, 1, 4, f);
643 	    if (res > 0) {
644 		ctxt = htmlCreatePushParserCtxt(emptySAXHandler, NULL,
645 			    chars, res, filename, XML_CHAR_ENCODING_NONE);
646 		while ((res = fread(chars, 1, size, f)) > 0) {
647 		    htmlParseChunk(ctxt, chars, res, 0);
648 		}
649 		htmlParseChunk(ctxt, chars, 0, 1);
650 		doc = ctxt->myDoc;
651 		htmlFreeParserCtxt(ctxt);
652 	    }
653 	    if (doc != NULL) {
654 		fprintf(stdout, "htmlSAXParseFile returned non-NULL\n");
655 		xmlFreeDoc(doc);
656 	    }
657 	    fclose(f);
658 	}
659 	if (!noout) {
660 #if defined(_WIN32) || defined (__DJGPP__) && !defined (__CYGWIN__)
661 		f = fopen(filename, "rb");
662 #else
663 		f = fopen(filename, "r");
664 #endif
665 	    if (f != NULL) {
666 		int res, size = 3;
667 		char chars[4096];
668 		htmlParserCtxtPtr ctxt;
669 
670 		/* if (repeat) */
671 		    size = 4096;
672 		res = fread(chars, 1, 4, f);
673 		if (res > 0) {
674 		    ctxt = htmlCreatePushParserCtxt(debugSAXHandler, NULL,
675 				chars, res, filename, XML_CHAR_ENCODING_NONE);
676 		    while ((res = fread(chars, 1, size, f)) > 0) {
677 			htmlParseChunk(ctxt, chars, res, 0);
678 		    }
679 		    htmlParseChunk(ctxt, chars, 0, 1);
680 		    doc = ctxt->myDoc;
681 		    htmlFreeParserCtxt(ctxt);
682 		}
683 		if (doc != NULL) {
684 		    fprintf(stdout, "htmlSAXParseFile returned non-NULL\n");
685 		    xmlFreeDoc(doc);
686 		}
687 		fclose(f);
688 	    }
689 	}
690     } else {
691 #endif /* LIBXML_PUSH_ENABLED */
692 	doc = htmlSAXParseFile(filename, NULL, emptySAXHandler, NULL);
693 	if (doc != NULL) {
694 	    fprintf(stdout, "htmlSAXParseFile returned non-NULL\n");
695 	    xmlFreeDoc(doc);
696 	}
697 
698 	if (!noout) {
699 	    /*
700 	     * Debug callback
701 	     */
702 	    doc = htmlSAXParseFile(filename, NULL, debugSAXHandler, NULL);
703 	    if (doc != NULL) {
704 		fprintf(stdout, "htmlSAXParseFile returned non-NULL\n");
705 		xmlFreeDoc(doc);
706 	    }
707 	}
708 #ifdef LIBXML_PUSH_ENABLED
709     }
710 #endif /* LIBXML_PUSH_ENABLED */
711 }
712 
713 static void
parseAndPrintFile(char * filename)714 parseAndPrintFile(char *filename) {
715     htmlDocPtr doc = NULL;
716 
717     /*
718      * build an HTML tree from a string;
719      */
720 #ifdef LIBXML_PUSH_ENABLED
721     if (push) {
722 	FILE *f;
723 
724 #if defined(_WIN32) || defined (__DJGPP__) && !defined (__CYGWIN__)
725 	f = fopen(filename, "rb");
726 #else
727 	f = fopen(filename, "r");
728 #endif
729 	if (f != NULL) {
730 	    int res, size = 3;
731 	    char chars[4096];
732 	    htmlParserCtxtPtr ctxt;
733 
734 	    /* if (repeat) */
735 		size = 4096;
736 	    res = fread(chars, 1, 4, f);
737 	    if (res > 0) {
738 		ctxt = htmlCreatePushParserCtxt(NULL, NULL,
739 			    chars, res, filename, XML_CHAR_ENCODING_NONE);
740 		while ((res = fread(chars, 1, size, f)) > 0) {
741 		    htmlParseChunk(ctxt, chars, res, 0);
742 		}
743 		htmlParseChunk(ctxt, chars, 0, 1);
744 		doc = ctxt->myDoc;
745 		htmlFreeParserCtxt(ctxt);
746 	    }
747 	    fclose(f);
748 	}
749     } else {
750 	doc = htmlReadFile(filename, NULL, options);
751     }
752 #else
753 	doc = htmlReadFile(filename,NULL,options);
754 #endif
755     if (doc == NULL) {
756         xmlGenericError(xmlGenericErrorContext,
757 		"Could not parse %s\n", filename);
758     }
759 
760 #ifdef LIBXML_TREE_ENABLED
761     /*
762      * test intermediate copy if needed.
763      */
764     if (copy) {
765         htmlDocPtr tmp;
766 
767         tmp = doc;
768 	doc = xmlCopyDoc(doc, 1);
769 	xmlFreeDoc(tmp);
770     }
771 #endif
772 
773 #ifdef LIBXML_OUTPUT_ENABLED
774     /*
775      * print it.
776      */
777     if (!noout) {
778 #ifdef LIBXML_DEBUG_ENABLED
779 	if (!debug) {
780 	    if (encoding)
781 		htmlSaveFileEnc("-", doc, encoding);
782 	    else
783 		htmlDocDump(stdout, doc);
784 	} else
785 	    xmlDebugDumpDocument(stdout, doc);
786 #else
787 	if (encoding)
788 	    htmlSaveFileEnc("-", doc, encoding);
789 	else
790 	    htmlDocDump(stdout, doc);
791 #endif
792     }
793 #endif /* LIBXML_OUTPUT_ENABLED */
794 
795     /*
796      * free it.
797      */
798     xmlFreeDoc(doc);
799 }
800 
main(int argc,char ** argv)801 int main(int argc, char **argv) {
802     int i, count;
803     int files = 0;
804 
805     for (i = 1; i < argc ; i++) {
806 #ifdef LIBXML_DEBUG_ENABLED
807 	if ((!strcmp(argv[i], "-debug")) || (!strcmp(argv[i], "--debug")))
808 	    debug++;
809 	else
810 #endif
811 	    if ((!strcmp(argv[i], "-copy")) || (!strcmp(argv[i], "--copy")))
812 	    copy++;
813 #ifdef LIBXML_PUSH_ENABLED
814 	else if ((!strcmp(argv[i], "-push")) || (!strcmp(argv[i], "--push")))
815 	    push++;
816 #endif /* LIBXML_PUSH_ENABLED */
817 	else if ((!strcmp(argv[i], "-sax")) || (!strcmp(argv[i], "--sax")))
818 	    sax++;
819 	else if ((!strcmp(argv[i], "-noout")) || (!strcmp(argv[i], "--noout")))
820 	    noout++;
821 	else if ((!strcmp(argv[i], "-repeat")) ||
822 	         (!strcmp(argv[i], "--repeat")))
823 	    repeat++;
824 	else if ((!strcmp(argv[i], "-encode")) ||
825 	         (!strcmp(argv[i], "--encode"))) {
826 	    i++;
827 	    encoding = argv[i];
828         }
829     }
830     for (i = 1; i < argc ; i++) {
831 	if ((!strcmp(argv[i], "-encode")) ||
832 	         (!strcmp(argv[i], "--encode"))) {
833 	    i++;
834 	    continue;
835         }
836 	if (argv[i][0] != '-') {
837 	    if (repeat) {
838 		for (count = 0;count < 100 * repeat;count++) {
839 		    if (sax)
840 			parseSAXFile(argv[i]);
841 		    else
842 			parseAndPrintFile(argv[i]);
843 		}
844 	    } else {
845 		if (sax)
846 		    parseSAXFile(argv[i]);
847 		else
848 		    parseAndPrintFile(argv[i]);
849 	    }
850 	    files ++;
851 	}
852     }
853     if (files == 0) {
854 	printf("Usage : %s [--debug] [--copy] [--copy] HTMLfiles ...\n",
855 	       argv[0]);
856 	printf("\tParse the HTML files and output the result of the parsing\n");
857 #ifdef LIBXML_DEBUG_ENABLED
858 	printf("\t--debug : dump a debug tree of the in-memory document\n");
859 #endif
860 	printf("\t--copy : used to test the internal copy implementation\n");
861 	printf("\t--sax : debug the sequence of SAX callbacks\n");
862 	printf("\t--repeat : parse the file 100 times, for timing\n");
863 	printf("\t--noout : do not print the result\n");
864 #ifdef LIBXML_PUSH_ENABLED
865 	printf("\t--push : use the push mode parser\n");
866 #endif /* LIBXML_PUSH_ENABLED */
867 	printf("\t--encode encoding : output in the given encoding\n");
868     }
869     xmlCleanupParser();
870     xmlMemoryDump();
871 
872     return(0);
873 }
874 #else /* !LIBXML_HTML_ENABLED */
875 #include <stdio.h>
main(int argc ATTRIBUTE_UNUSED,char ** argv ATTRIBUTE_UNUSED)876 int main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) {
877     printf("%s : HTML support not compiled in\n", argv[0]);
878     return(0);
879 }
880 #endif
881