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/*
* testHTML.c : a small tester program for HTML input.
*
* See Copyright for the status of this software.
*
* daniel@veillard.com
*/
#include "libxml.h"
#ifdef LIBXML_HTML_ENABLED
#include <string.h>
#include <stdarg.h>
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <libxml/xmlmemory.h>
#include <libxml/HTMLparser.h>
#include <libxml/HTMLtree.h>
#include <libxml/debugXML.h>
#include <libxml/xmlerror.h>
#include <libxml/globals.h>
#ifdef LIBXML_DEBUG_ENABLED
static int debug = 0;
#endif
static int copy = 0;
static int sax = 0;
static int repeat = 0;
static int noout = 0;
#ifdef LIBXML_PUSH_ENABLED
static int push = 0;
#endif /* LIBXML_PUSH_ENABLED */
static char *encoding = NULL;
static int options = 0;
static xmlSAXHandler emptySAXHandlerStruct = {
NULL, /* internalSubset */
NULL, /* isStandalone */
NULL, /* hasInternalSubset */
NULL, /* hasExternalSubset */
NULL, /* resolveEntity */
NULL, /* getEntity */
NULL, /* entityDecl */
NULL, /* notationDecl */
NULL, /* attributeDecl */
NULL, /* elementDecl */
NULL, /* unparsedEntityDecl */
NULL, /* setDocumentLocator */
NULL, /* startDocument */
NULL, /* endDocument */
NULL, /* startElement */
NULL, /* endElement */
NULL, /* reference */
NULL, /* characters */
NULL, /* ignorableWhitespace */
NULL, /* processingInstruction */
NULL, /* comment */
NULL, /* xmlParserWarning */
NULL, /* xmlParserError */
NULL, /* xmlParserError */
NULL, /* getParameterEntity */
NULL, /* cdataBlock */
NULL, /* externalSubset */
1, /* initialized */
NULL, /* private */
NULL, /* startElementNsSAX2Func */
NULL, /* endElementNsSAX2Func */
NULL /* xmlStructuredErrorFunc */
};
static xmlSAXHandlerPtr emptySAXHandler = &emptySAXHandlerStruct;
extern xmlSAXHandlerPtr debugSAXHandler;
/************************************************************************
* *
* Debug Handlers *
* *
************************************************************************/
/**
* isStandaloneDebug:
* @ctxt: An XML parser context
*
* Is this document tagged standalone ?
*
* Returns 1 if true
*/
static int
isStandaloneDebug(void *ctx ATTRIBUTE_UNUSED)
{
fprintf(stdout, "SAX.isStandalone()\n");
return(0);
}
/**
* hasInternalSubsetDebug:
* @ctxt: An XML parser context
*
* Does this document has an internal subset
*
* Returns 1 if true
*/
static int
hasInternalSubsetDebug(void *ctx ATTRIBUTE_UNUSED)
{
fprintf(stdout, "SAX.hasInternalSubset()\n");
return(0);
}
/**
* hasExternalSubsetDebug:
* @ctxt: An XML parser context
*
* Does this document has an external subset
*
* Returns 1 if true
*/
static int
hasExternalSubsetDebug(void *ctx ATTRIBUTE_UNUSED)
{
fprintf(stdout, "SAX.hasExternalSubset()\n");
return(0);
}
/**
* hasInternalSubsetDebug:
* @ctxt: An XML parser context
*
* Does this document has an internal subset
*/
static void
internalSubsetDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name,
const xmlChar *ExternalID, const xmlChar *SystemID)
{
fprintf(stdout, "SAX.internalSubset(%s,", name);
if (ExternalID == NULL)
fprintf(stdout, " ,");
else
fprintf(stdout, " %s,", ExternalID);
if (SystemID == NULL)
fprintf(stdout, " )\n");
else
fprintf(stdout, " %s)\n", SystemID);
}
/**
* resolveEntityDebug:
* @ctxt: An XML parser context
* @publicId: The public ID of the entity
* @systemId: The system ID of the entity
*
* Special entity resolver, better left to the parser, it has
* more context than the application layer.
* The default behaviour is to NOT resolve the entities, in that case
* the ENTITY_REF nodes are built in the structure (and the parameter
* values).
*
* Returns the xmlParserInputPtr if inlined or NULL for DOM behaviour.
*/
static xmlParserInputPtr
resolveEntityDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *publicId, const xmlChar *systemId)
{
/* xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; */
fprintf(stdout, "SAX.resolveEntity(");
if (publicId != NULL)
fprintf(stdout, "%s", (char *)publicId);
else
fprintf(stdout, " ");
if (systemId != NULL)
fprintf(stdout, ", %s)\n", (char *)systemId);
else
fprintf(stdout, ", )\n");
/*********
if (systemId != NULL) {
return(xmlNewInputFromFile(ctxt, (char *) systemId));
}
*********/
return(NULL);
}
/**
* getEntityDebug:
* @ctxt: An XML parser context
* @name: The entity name
*
* Get an entity by name
*
* Returns the xmlParserInputPtr if inlined or NULL for DOM behaviour.
*/
static xmlEntityPtr
getEntityDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name)
{
fprintf(stdout, "SAX.getEntity(%s)\n", name);
return(NULL);
}
/**
* getParameterEntityDebug:
* @ctxt: An XML parser context
* @name: The entity name
*
* Get a parameter entity by name
*
* Returns the xmlParserInputPtr
*/
static xmlEntityPtr
getParameterEntityDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name)
{
fprintf(stdout, "SAX.getParameterEntity(%s)\n", name);
return(NULL);
}
/**
* entityDeclDebug:
* @ctxt: An XML parser context
* @name: the entity name
* @type: the entity type
* @publicId: The public ID of the entity
* @systemId: The system ID of the entity
* @content: the entity value (without processing).
*
* An entity definition has been parsed
*/
static void
entityDeclDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name, int type,
const xmlChar *publicId, const xmlChar *systemId, xmlChar *content)
{
fprintf(stdout, "SAX.entityDecl(%s, %d, %s, %s, %s)\n",
name, type, publicId, systemId, content);
}
/**
* attributeDeclDebug:
* @ctxt: An XML parser context
* @name: the attribute name
* @type: the attribute type
*
* An attribute definition has been parsed
*/
static void
attributeDeclDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *elem, const xmlChar *name,
int type, int def, const xmlChar *defaultValue,
xmlEnumerationPtr tree ATTRIBUTE_UNUSED)
{
fprintf(stdout, "SAX.attributeDecl(%s, %s, %d, %d, %s, ...)\n",
elem, name, type, def, defaultValue);
}
/**
* elementDeclDebug:
* @ctxt: An XML parser context
* @name: the element name
* @type: the element type
* @content: the element value (without processing).
*
* An element definition has been parsed
*/
static void
elementDeclDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name, int type,
xmlElementContentPtr content ATTRIBUTE_UNUSED)
{
fprintf(stdout, "SAX.elementDecl(%s, %d, ...)\n",
name, type);
}
/**
* notationDeclDebug:
* @ctxt: An XML parser context
* @name: The name of the notation
* @publicId: The public ID of the entity
* @systemId: The system ID of the entity
*
* What to do when a notation declaration has been parsed.
*/
static void
notationDeclDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name,
const xmlChar *publicId, const xmlChar *systemId)
{
fprintf(stdout, "SAX.notationDecl(%s, %s, %s)\n",
(char *) name, (char *) publicId, (char *) systemId);
}
/**
* unparsedEntityDeclDebug:
* @ctxt: An XML parser context
* @name: The name of the entity
* @publicId: The public ID of the entity
* @systemId: The system ID of the entity
* @notationName: the name of the notation
*
* What to do when an unparsed entity declaration is parsed
*/
static void
unparsedEntityDeclDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name,
const xmlChar *publicId, const xmlChar *systemId,
const xmlChar *notationName)
{
fprintf(stdout, "SAX.unparsedEntityDecl(%s, %s, %s, %s)\n",
(char *) name, (char *) publicId, (char *) systemId,
(char *) notationName);
}
/**
* setDocumentLocatorDebug:
* @ctxt: An XML parser context
* @loc: A SAX Locator
*
* Receive the document locator at startup, actually xmlDefaultSAXLocator
* Everything is available on the context, so this is useless in our case.
*/
static void
setDocumentLocatorDebug(void *ctx ATTRIBUTE_UNUSED, xmlSAXLocatorPtr loc ATTRIBUTE_UNUSED)
{
fprintf(stdout, "SAX.setDocumentLocator()\n");
}
/**
* startDocumentDebug:
* @ctxt: An XML parser context
*
* called when the document start being processed.
*/
static void
startDocumentDebug(void *ctx ATTRIBUTE_UNUSED)
{
fprintf(stdout, "SAX.startDocument()\n");
}
/**
* endDocumentDebug:
* @ctxt: An XML parser context
*
* called when the document end has been detected.
*/
static void
endDocumentDebug(void *ctx ATTRIBUTE_UNUSED)
{
fprintf(stdout, "SAX.endDocument()\n");
}
/**
* startElementDebug:
* @ctxt: An XML parser context
* @name: The element name
*
* called when an opening tag has been processed.
*/
static void
startElementDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name, const xmlChar **atts)
{
int i;
fprintf(stdout, "SAX.startElement(%s", (char *) name);
if (atts != NULL) {
for (i = 0;(atts[i] != NULL);i++) {
fprintf(stdout, ", %s", atts[i++]);
if (atts[i] != NULL) {
unsigned char output[40];
const unsigned char *att = atts[i];
int outlen, attlen;
fprintf(stdout, "='");
while ((attlen = strlen((char*)att)) > 0) {
outlen = sizeof output - 1;
htmlEncodeEntities(output, &outlen, att, &attlen, '\'');
output[outlen] = 0;
fprintf(stdout, "%s", (char *) output);
att += attlen;
}
fprintf(stdout, "'");
}
}
}
fprintf(stdout, ")\n");
}
/**
* endElementDebug:
* @ctxt: An XML parser context
* @name: The element name
*
* called when the end of an element has been detected.
*/
static void
endElementDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name)
{
fprintf(stdout, "SAX.endElement(%s)\n", (char *) name);
}
/**
* charactersDebug:
* @ctxt: An XML parser context
* @ch: a xmlChar string
* @len: the number of xmlChar
*
* receiving some chars from the parser.
* Question: how much at a time ???
*/
static void
charactersDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *ch, int len)
{
unsigned char output[40];
int inlen = len, outlen = 30;
htmlEncodeEntities(output, &outlen, ch, &inlen, 0);
output[outlen] = 0;
fprintf(stdout, "SAX.characters(%s, %d)\n", output, len);
}
/**
* cdataDebug:
* @ctxt: An XML parser context
* @ch: a xmlChar string
* @len: the number of xmlChar
*
* receiving some cdata chars from the parser.
* Question: how much at a time ???
*/
static void
cdataDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *ch, int len)
{
unsigned char output[40];
int inlen = len, outlen = 30;
htmlEncodeEntities(output, &outlen, ch, &inlen, 0);
output[outlen] = 0;
fprintf(stdout, "SAX.cdata(%s, %d)\n", output, len);
}
/**
* referenceDebug:
* @ctxt: An XML parser context
* @name: The entity name
*
* called when an entity reference is detected.
*/
static void
referenceDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name)
{
fprintf(stdout, "SAX.reference(%s)\n", name);
}
/**
* ignorableWhitespaceDebug:
* @ctxt: An XML parser context
* @ch: a xmlChar string
* @start: the first char in the string
* @len: the number of xmlChar
*
* receiving some ignorable whitespaces from the parser.
* Question: how much at a time ???
*/
static void
ignorableWhitespaceDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *ch, int len)
{
char output[40];
int i;
for (i = 0;(i<len) && (i < 30);i++)
output[i] = ch[i];
output[i] = 0;
fprintf(stdout, "SAX.ignorableWhitespace(%s, %d)\n", output, len);
}
/**
* processingInstructionDebug:
* @ctxt: An XML parser context
* @target: the target name
* @data: the PI data's
* @len: the number of xmlChar
*
* A processing instruction has been parsed.
*/
static void
processingInstructionDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *target,
const xmlChar *data)
{
fprintf(stdout, "SAX.processingInstruction(%s, %s)\n",
(char *) target, (char *) data);
}
/**
* commentDebug:
* @ctxt: An XML parser context
* @value: the comment content
*
* A comment has been parsed.
*/
static void
commentDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *value)
{
fprintf(stdout, "SAX.comment(%s)\n", value);
}
/**
* warningDebug:
* @ctxt: An XML parser context
* @msg: the message to display/transmit
* @...: extra parameters for the message display
*
* Display and format a warning messages, gives file, line, position and
* extra parameters.
*/
static void XMLCDECL
warningDebug(void *ctx ATTRIBUTE_UNUSED, const char *msg, ...)
{
va_list args;
va_start(args, msg);
fprintf(stdout, "SAX.warning: ");
vfprintf(stdout, msg, args);
va_end(args);
}
/**
* errorDebug:
* @ctxt: An XML parser context
* @msg: the message to display/transmit
* @...: extra parameters for the message display
*
* Display and format a error messages, gives file, line, position and
* extra parameters.
*/
static void XMLCDECL
errorDebug(void *ctx ATTRIBUTE_UNUSED, const char *msg, ...)
{
va_list args;
va_start(args, msg);
fprintf(stdout, "SAX.error: ");
vfprintf(stdout, msg, args);
va_end(args);
}
/**
* fatalErrorDebug:
* @ctxt: An XML parser context
* @msg: the message to display/transmit
* @...: extra parameters for the message display
*
* Display and format a fatalError messages, gives file, line, position and
* extra parameters.
*/
static void XMLCDECL
fatalErrorDebug(void *ctx ATTRIBUTE_UNUSED, const char *msg, ...)
{
va_list args;
va_start(args, msg);
fprintf(stdout, "SAX.fatalError: ");
vfprintf(stdout, msg, args);
va_end(args);
}
static xmlSAXHandler debugSAXHandlerStruct = {
internalSubsetDebug,
isStandaloneDebug,
hasInternalSubsetDebug,
hasExternalSubsetDebug,
resolveEntityDebug,
getEntityDebug,
entityDeclDebug,
notationDeclDebug,
attributeDeclDebug,
elementDeclDebug,
unparsedEntityDeclDebug,
setDocumentLocatorDebug,
startDocumentDebug,
endDocumentDebug,
startElementDebug,
endElementDebug,
referenceDebug,
charactersDebug,
ignorableWhitespaceDebug,
processingInstructionDebug,
commentDebug,
warningDebug,
errorDebug,
fatalErrorDebug,
getParameterEntityDebug,
cdataDebug,
NULL,
1,
NULL,
NULL,
NULL,
NULL
};
xmlSAXHandlerPtr debugSAXHandler = &debugSAXHandlerStruct;
/************************************************************************
* *
* Debug *
* *
************************************************************************/
static void
parseSAXFile(char *filename) {
htmlDocPtr doc = NULL;
/*
* Empty callbacks for checking
*/
#ifdef LIBXML_PUSH_ENABLED
if (push) {
FILE *f;
#if defined(_WIN32) || defined (__DJGPP__) && !defined (__CYGWIN__)
f = fopen(filename, "rb");
#else
f = fopen(filename, "r");
#endif
if (f != NULL) {
int res, size = 3;
char chars[4096];
htmlParserCtxtPtr ctxt;
/* if (repeat) */
size = 4096;
res = fread(chars, 1, 4, f);
if (res > 0) {
ctxt = htmlCreatePushParserCtxt(emptySAXHandler, NULL,
chars, res, filename, XML_CHAR_ENCODING_NONE);
while ((res = fread(chars, 1, size, f)) > 0) {
htmlParseChunk(ctxt, chars, res, 0);
}
htmlParseChunk(ctxt, chars, 0, 1);
doc = ctxt->myDoc;
htmlFreeParserCtxt(ctxt);
}
if (doc != NULL) {
fprintf(stdout, "htmlSAXParseFile returned non-NULL\n");
xmlFreeDoc(doc);
}
fclose(f);
}
if (!noout) {
#if defined(_WIN32) || defined (__DJGPP__) && !defined (__CYGWIN__)
f = fopen(filename, "rb");
#else
f = fopen(filename, "r");
#endif
if (f != NULL) {
int res, size = 3;
char chars[4096];
htmlParserCtxtPtr ctxt;
/* if (repeat) */
size = 4096;
res = fread(chars, 1, 4, f);
if (res > 0) {
ctxt = htmlCreatePushParserCtxt(debugSAXHandler, NULL,
chars, res, filename, XML_CHAR_ENCODING_NONE);
while ((res = fread(chars, 1, size, f)) > 0) {
htmlParseChunk(ctxt, chars, res, 0);
}
htmlParseChunk(ctxt, chars, 0, 1);
doc = ctxt->myDoc;
htmlFreeParserCtxt(ctxt);
}
if (doc != NULL) {
fprintf(stdout, "htmlSAXParseFile returned non-NULL\n");
xmlFreeDoc(doc);
}
fclose(f);
}
}
} else {
#endif /* LIBXML_PUSH_ENABLED */
doc = htmlSAXParseFile(filename, NULL, emptySAXHandler, NULL);
if (doc != NULL) {
fprintf(stdout, "htmlSAXParseFile returned non-NULL\n");
xmlFreeDoc(doc);
}
if (!noout) {
/*
* Debug callback
*/
doc = htmlSAXParseFile(filename, NULL, debugSAXHandler, NULL);
if (doc != NULL) {
fprintf(stdout, "htmlSAXParseFile returned non-NULL\n");
xmlFreeDoc(doc);
}
}
#ifdef LIBXML_PUSH_ENABLED
}
#endif /* LIBXML_PUSH_ENABLED */
}
static void
parseAndPrintFile(char *filename) {
htmlDocPtr doc = NULL;
/*
* build an HTML tree from a string;
*/
#ifdef LIBXML_PUSH_ENABLED
if (push) {
FILE *f;
#if defined(_WIN32) || defined (__DJGPP__) && !defined (__CYGWIN__)
f = fopen(filename, "rb");
#else
f = fopen(filename, "r");
#endif
if (f != NULL) {
int res, size = 3;
char chars[4096];
htmlParserCtxtPtr ctxt;
/* if (repeat) */
size = 4096;
res = fread(chars, 1, 4, f);
if (res > 0) {
ctxt = htmlCreatePushParserCtxt(NULL, NULL,
chars, res, filename, XML_CHAR_ENCODING_NONE);
while ((res = fread(chars, 1, size, f)) > 0) {
htmlParseChunk(ctxt, chars, res, 0);
}
htmlParseChunk(ctxt, chars, 0, 1);
doc = ctxt->myDoc;
htmlFreeParserCtxt(ctxt);
}
fclose(f);
}
} else {
doc = htmlReadFile(filename, NULL, options);
}
#else
doc = htmlReadFile(filename,NULL,options);
#endif
if (doc == NULL) {
xmlGenericError(xmlGenericErrorContext,
"Could not parse %s\n", filename);
}
#ifdef LIBXML_TREE_ENABLED
/*
* test intermediate copy if needed.
*/
if (copy) {
htmlDocPtr tmp;
tmp = doc;
doc = xmlCopyDoc(doc, 1);
xmlFreeDoc(tmp);
}
#endif
#ifdef LIBXML_OUTPUT_ENABLED
/*
* print it.
*/
if (!noout) {
#ifdef LIBXML_DEBUG_ENABLED
if (!debug) {
if (encoding)
htmlSaveFileEnc("-", doc, encoding);
else
htmlDocDump(stdout, doc);
} else
xmlDebugDumpDocument(stdout, doc);
#else
if (encoding)
htmlSaveFileEnc("-", doc, encoding);
else
htmlDocDump(stdout, doc);
#endif
}
#endif /* LIBXML_OUTPUT_ENABLED */
/*
* free it.
*/
xmlFreeDoc(doc);
}
int main(int argc, char **argv) {
int i, count;
int files = 0;
for (i = 1; i < argc ; i++) {
#ifdef LIBXML_DEBUG_ENABLED
if ((!strcmp(argv[i], "-debug")) || (!strcmp(argv[i], "--debug")))
debug++;
else
#endif
if ((!strcmp(argv[i], "-copy")) || (!strcmp(argv[i], "--copy")))
copy++;
#ifdef LIBXML_PUSH_ENABLED
else if ((!strcmp(argv[i], "-push")) || (!strcmp(argv[i], "--push")))
push++;
#endif /* LIBXML_PUSH_ENABLED */
else if ((!strcmp(argv[i], "-sax")) || (!strcmp(argv[i], "--sax")))
sax++;
else if ((!strcmp(argv[i], "-noout")) || (!strcmp(argv[i], "--noout")))
noout++;
else if ((!strcmp(argv[i], "-repeat")) ||
(!strcmp(argv[i], "--repeat")))
repeat++;
else if ((!strcmp(argv[i], "-encode")) ||
(!strcmp(argv[i], "--encode"))) {
i++;
encoding = argv[i];
}
}
for (i = 1; i < argc ; i++) {
if ((!strcmp(argv[i], "-encode")) ||
(!strcmp(argv[i], "--encode"))) {
i++;
continue;
}
if (argv[i][0] != '-') {
if (repeat) {
for (count = 0;count < 100 * repeat;count++) {
if (sax)
parseSAXFile(argv[i]);
else
parseAndPrintFile(argv[i]);
}
} else {
if (sax)
parseSAXFile(argv[i]);
else
parseAndPrintFile(argv[i]);
}
files ++;
}
}
if (files == 0) {
printf("Usage : %s [--debug] [--copy] [--copy] HTMLfiles ...\n",
argv[0]);
printf("\tParse the HTML files and output the result of the parsing\n");
#ifdef LIBXML_DEBUG_ENABLED
printf("\t--debug : dump a debug tree of the in-memory document\n");
#endif
printf("\t--copy : used to test the internal copy implementation\n");
printf("\t--sax : debug the sequence of SAX callbacks\n");
printf("\t--repeat : parse the file 100 times, for timing\n");
printf("\t--noout : do not print the result\n");
#ifdef LIBXML_PUSH_ENABLED
printf("\t--push : use the push mode parser\n");
#endif /* LIBXML_PUSH_ENABLED */
printf("\t--encode encoding : output in the given encoding\n");
}
xmlCleanupParser();
xmlMemoryDump();
return(0);
}
#else /* !LIBXML_HTML_ENABLED */
#include <stdio.h>
int main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) {
printf("%s : HTML support not compiled in\n", argv[0]);
return(0);
}
#endif