int
XML_ProcessFile(XML_Parser parser,
const XML_Char *filename,
unsigned flags)
{
int result;
if (!XML_SetBase(parser, filename)) {
ftprintf(stderr, T("%s: out of memory"), filename);
exit(1);
}
if (flags & XML_EXTERNAL_ENTITIES)
XML_SetExternalEntityRefHandler(parser,
(flags & XML_MAP_FILE)
? externalEntityRefFilemap
: externalEntityRefStream);
if (flags & XML_MAP_FILE) {
PROCESS_ARGS args;
args.retPtr = &result;
args.parser = parser;
if (!filemap(filename, processFile, &args))
result = 0;
}
else
result = processStream(filename, parser);
return result;
}
MeaXMLParser::MeaXMLParser(MeaXMLParserHandler *handler, bool buildDOM) :
IValidationHandler(),
m_isSubParser(false),
m_handler(handler),
m_haveDTD(false),
m_context(NULL),
m_buildDOM(buildDOM),
m_dom(NULL)
{
// Create the XML parser and set its handlers.
//
m_pathnameStack = new PathnameStack;
m_elementStack = new ElementStack;
m_nodeStack = new NodeStack;
m_parser = XML_ParserCreate(NULL);
MeaAssert(m_parser != NULL);
XML_SetUserData(m_parser, this);
XML_SetExternalEntityRefHandlerArg(m_parser, this);
XML_SetParamEntityParsing(m_parser, XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONE);
XML_SetElementHandler(m_parser, StartElementHandler, EndElementHandler);
XML_SetCharacterDataHandler(m_parser, CharacterDataHandler);
XML_SetExternalEntityRefHandler(m_parser, ExternalEntityRefHandler);
XML_SetStartDoctypeDeclHandler(m_parser, DoctypeDeclHandler);
XML_SetElementHandler(m_parser, StartElementHandler, EndElementHandler);
XML_SetElementDeclHandler(m_parser, ElementDeclHandler);
XML_SetAttlistDeclHandler(m_parser, AttributeDeclHandler);
// Create the validator.
//
m_validator = new ev::Validator(this);
}
/**
* Parses the given input stream and returns a DOM Document.
* A NULL pointer will be returned if errors occurred
*/
nsresult
txDriver::parse(istream& aInputStream, const nsAString& aUri)
{
mErrorString.Truncate();
if (!aInputStream) {
mErrorString.AppendLiteral("unable to parse xml: invalid or unopen stream encountered.");
return NS_ERROR_FAILURE;
}
static const XML_Memory_Handling_Suite memsuite = {
(void *(*)(size_t))PR_Malloc,
(void *(*)(void *, size_t))PR_Realloc,
PR_Free
};
static const PRUnichar expatSeparator = kExpatSeparatorChar;
mExpatParser = XML_ParserCreate_MM(nsnull, &memsuite, &expatSeparator);
if (!mExpatParser) {
return NS_ERROR_OUT_OF_MEMORY;
}
XML_SetReturnNSTriplet(mExpatParser, XML_TRUE);
XML_SetUserData(mExpatParser, this);
XML_SetElementHandler(mExpatParser, startElement, endElement);
XML_SetCharacterDataHandler(mExpatParser, charData);
#ifdef XML_DTD
XML_SetParamEntityParsing(mExpatParser, XML_PARAM_ENTITY_PARSING_ALWAYS);
#endif
XML_SetExternalEntityRefHandler(mExpatParser, externalEntityRefHandler);
XML_SetExternalEntityRefHandlerArg(mExpatParser, this);
XML_SetBase(mExpatParser,
(const XML_Char*)(PromiseFlatString(aUri).get()));
const int bufferSize = 1024;
char buf[bufferSize];
PRBool done;
int success;
mRV = NS_OK;
do {
aInputStream.read(buf, bufferSize);
done = aInputStream.eof();
success = XML_Parse(mExpatParser, buf, aInputStream.gcount(), done);
// mRV is set in onDoneCompiling in case of an error
if (!success || NS_FAILED(mRV)) {
createErrorString();
done = MB_TRUE;
}
} while (!done);
aInputStream.clear();
// clean up
XML_ParserFree(mExpatParser);
mCompiler->doneLoading();
if (!success) {
return NS_ERROR_FAILURE;
}
return mRV;
}
PRIVATE void HTXML_setHandlers (XML_Parser me)
{
XML_SetElementHandler(me, XML_startElement, XML_endElement);
XML_SetCharacterDataHandler(me, XML_characterData);
XML_SetProcessingInstructionHandler(me, XML_processingInstruction);
XML_SetDefaultHandler(me, XML_default);
XML_SetUnparsedEntityDeclHandler(me, XML_unparsedEntityDecl);
XML_SetNotationDeclHandler(me, XML_notationDecl);
XML_SetExternalEntityRefHandler(me, XML_externalEntityRef);
XML_SetUnknownEncodingHandler(me, XML_unknownEncoding, NULL);
}
void ParserEngine::init()
{
if (_parser)
XML_ParserFree(_parser);
if (!_pBuffer)
_pBuffer = new char[PARSE_BUFFER_SIZE];
if (dynamic_cast<NoNamespacePrefixesStrategy*>(_pNamespaceStrategy))
{
_parser = XML_ParserCreateNS(_encodingSpecified ? _encoding.c_str() : 0, '\t');
if (_parser)
{
XML_SetNamespaceDeclHandler(_parser, handleStartNamespaceDecl, handleEndNamespaceDecl);
}
}
else if (dynamic_cast<NamespacePrefixesStrategy*>(_pNamespaceStrategy))
{
_parser = XML_ParserCreateNS(_encodingSpecified ? _encoding.c_str() : 0, '\t');
if (_parser)
{
XML_SetReturnNSTriplet(_parser, 1);
XML_SetNamespaceDeclHandler(_parser, handleStartNamespaceDecl, handleEndNamespaceDecl);
}
}
else
{
_parser = XML_ParserCreate(_encodingSpecified ? _encoding.c_str() : 0);
}
if (!_parser) throw XMLException("Cannot create Expat parser");
XML_SetUserData(_parser, this);
XML_SetElementHandler(_parser, handleStartElement, handleEndElement);
XML_SetCharacterDataHandler(_parser, handleCharacterData);
XML_SetProcessingInstructionHandler(_parser, handleProcessingInstruction);
if (_expandInternalEntities)
XML_SetDefaultHandlerExpand(_parser, handleDefault);
else
XML_SetDefaultHandler(_parser, handleDefault);
XML_SetUnparsedEntityDeclHandler(_parser, handleUnparsedEntityDecl);
XML_SetNotationDeclHandler(_parser, handleNotationDecl);
XML_SetExternalEntityRefHandler(_parser, handleExternalEntityRef);
XML_SetCommentHandler(_parser, handleComment);
XML_SetCdataSectionHandler(_parser, handleStartCdataSection, handleEndCdataSection);
XML_SetDoctypeDeclHandler(_parser, handleStartDoctypeDecl, handleEndDoctypeDecl);
XML_SetEntityDeclHandler(_parser, handleEntityDecl);
XML_SetSkippedEntityHandler(_parser, handleSkippedEntity);
XML_SetParamEntityParsing(_parser, _externalParameterEntities ? XML_PARAM_ENTITY_PARSING_ALWAYS : XML_PARAM_ENTITY_PARSING_NEVER);
XML_SetUnknownEncodingHandler(_parser, handleUnknownEncoding, this);
}
void
RS_XML(initParser)(XML_Parser parser, RS_XMLParserData *parserData)
{
XML_SetUserData(parser, parserData);
XML_SetElementHandler(parser, RS_XML(startElement), RS_XML(endElement));
XML_SetCommentHandler(parser, RS_XML(commentHandler));
XML_SetExternalEntityRefHandler(parser, RS_XML(externalEntityHandler));
XML_SetUnparsedEntityDeclHandler(parser, RS_XML(entityDeclarationHandler));
XML_SetCharacterDataHandler(parser, RS_XML(textHandler));
XML_SetProcessingInstructionHandler(parser, RS_XML(processingInstructionHandler));
XML_SetCdataSectionHandler(parser, RS_XML(startCdataSectionHandler), RS_XML(endCdataSectionHandler));
XML_SetBase(parser, parserData->fileName);
XML_SetNotStandaloneHandler(parser, RS_XML(notStandAloneHandler));
}
/**
* Creates a new Expat parser. Called from the Java ExpatParser constructor.
*
* @param object the Java ExpatParser instance
* @param javaEncoding the character encoding name
* @param processNamespaces true if the parser should handle namespaces
* @returns the pointer to the C Expat parser
*/
static jlong ExpatParser_initialize(JNIEnv* env, jobject object, jstring javaEncoding,
jboolean processNamespaces) {
// Allocate parsing context.
UniquePtr<ParsingContext> context(new ParsingContext(object));
if (context.get() == NULL) {
jniThrowOutOfMemoryError(env, NULL);
return 0;
}
context->processNamespaces = processNamespaces;
// Create a parser.
XML_Parser parser;
ScopedUtfChars encoding(env, javaEncoding);
if (encoding.c_str() == NULL) {
return 0;
}
if (processNamespaces) {
// Use '|' to separate URIs from local names.
parser = XML_ParserCreateNS(encoding.c_str(), '|');
} else {
parser = XML_ParserCreate(encoding.c_str());
}
if (parser != NULL) {
if (processNamespaces) {
XML_SetNamespaceDeclHandler(parser, startNamespace, endNamespace);
XML_SetReturnNSTriplet(parser, 1);
}
XML_SetCdataSectionHandler(parser, startCdata, endCdata);
XML_SetCharacterDataHandler(parser, text);
XML_SetCommentHandler(parser, comment);
XML_SetDoctypeDeclHandler(parser, startDtd, endDtd);
XML_SetElementHandler(parser, startElement, endElement);
XML_SetExternalEntityRefHandler(parser, handleExternalEntity);
XML_SetNotationDeclHandler(parser, notationDecl);
XML_SetProcessingInstructionHandler(parser, processingInstruction);
XML_SetUnparsedEntityDeclHandler(parser, unparsedEntityDecl);
XML_SetUserData(parser, context.release());
} else {
jniThrowOutOfMemoryError(env, NULL);
return 0;
}
return fromXMLParser(parser);
}
bool_t reset_handlers_parser(parser_t *parser) {
if( parser ) {
XML_SetStartElementHandler(parser->p, parser->callbacks.start_tag ?
xml_startelementhandler : NULL);
XML_SetEndElementHandler(parser->p, parser->callbacks.end_tag ?
xml_endelementhandler : NULL);
XML_SetCommentHandler(parser->p, parser->callbacks.comment ?
xml_commenthandler : NULL);
XML_SetCharacterDataHandler(parser->p, parser->callbacks.chardata ?
xml_characterdatahandler : NULL);
XML_SetProcessingInstructionHandler(parser->p, parser->callbacks.pidata ?
xml_processinginstructionhandler : NULL);
XML_SetStartCdataSectionHandler(parser->p, parser->callbacks.start_cdata ?
xml_startcdatahandler : NULL);
/* if start_cdata, always set endcdatahandler */
XML_SetEndCdataSectionHandler(parser->p, parser->callbacks.start_cdata ?
xml_endcdatahandler : NULL);
XML_SetDefaultHandler(parser->p, parser->callbacks.dfault ?
xml_defaulthandler : NULL);
XML_SetStartDoctypeDeclHandler(parser->p, parser->callbacks.start_doctypedecl ?
xml_startdoctypedeclhandler : NULL);
/* if start_doctypedecl, always set enddoctypedeclhandler */
XML_SetEndDoctypeDeclHandler(parser->p, parser->callbacks.start_doctypedecl ?
xml_enddoctypedeclhandler : NULL);
XML_SetEntityDeclHandler(parser->p, parser->callbacks.entitydecl ?
xml_entitydeclhandler : NULL);
/* what to do about entities: there can be internal and external
* entities, which expat treats differently. We want all our
* entities to stay unprocessed, otherwise we'll get well formedness
* errors. When a handler is called, the raw string is passed to
* the default handler (provided it exists). */
XML_UseForeignDTD(parser->p, XML_TRUE);
XML_SetParamEntityParsing(parser->p, XML_PARAM_ENTITY_PARSING_NEVER);
XML_SetExternalEntityRefHandler(parser->p,
xml_externalentityrefhandler);
XML_SetExternalEntityRefHandlerArg(parser->p, parser);
XML_SetSkippedEntityHandler(parser->p, xml_skippedentityhandler);
return TRUE;
}
return FALSE;
}
static int lxp_make_parser (lua_State *L) {
XML_Parser p;
int bufferCharData = (lua_type(L, 3) != LUA_TBOOLEAN) || (lua_toboolean(L, 3) != 0);
char sep = *luaL_optstring(L, 2, "");
lxp_userdata *xpu = createlxp(L);
xpu->bufferCharData = bufferCharData;
p = xpu->parser = (sep == '\0') ? XML_ParserCreate(NULL) :
XML_ParserCreateNS(NULL, sep);
if (!p)
luaL_error(L, "XML_ParserCreate failed");
luaL_checktype(L, 1, LUA_TTABLE);
checkcallbacks(L);
lua_pushvalue(L, 1);
xpu->tableref = luaL_ref(L, LUA_REGISTRYINDEX);
XML_SetUserData(p, xpu);
if (hasfield(L, StartCdataKey) || hasfield(L, EndCdataKey))
XML_SetCdataSectionHandler(p, f_StartCdata, f_EndCdataKey);
if (hasfield(L, CharDataKey))
XML_SetCharacterDataHandler(p, f_CharData);
if (hasfield(L, CommentKey))
XML_SetCommentHandler(p, f_Comment);
if (hasfield(L, DefaultKey))
XML_SetDefaultHandler(p, f_Default);
if (hasfield(L, DefaultExpandKey))
XML_SetDefaultHandlerExpand(p, f_DefaultExpand);
if (hasfield(L, StartElementKey) || hasfield(L, EndElementKey))
XML_SetElementHandler(p, f_StartElement, f_EndElement);
if (hasfield(L, ExternalEntityKey))
XML_SetExternalEntityRefHandler(p, f_ExternaEntity);
if (hasfield(L, StartNamespaceDeclKey) || hasfield(L, EndNamespaceDeclKey))
XML_SetNamespaceDeclHandler(p, f_StartNamespaceDecl, f_EndNamespaceDecl);
if (hasfield(L, NotationDeclKey))
XML_SetNotationDeclHandler(p, f_NotationDecl);
if (hasfield(L, NotStandaloneKey))
XML_SetNotStandaloneHandler(p, f_NotStandalone);
if (hasfield(L, ProcessingInstructionKey))
XML_SetProcessingInstructionHandler(p, f_ProcessingInstruction);
if (hasfield(L, UnparsedEntityDeclKey))
XML_SetUnparsedEntityDeclHandler(p, f_UnparsedEntityDecl);
if (hasfield(L, StartDoctypeDeclKey))
XML_SetStartDoctypeDeclHandler(p, f_StartDoctypeDecl);
if (hasfield(L, XmlDeclKey))
XML_SetXmlDeclHandler(p, f_XmlDecl);
return 1;
}
static void
pdb_xml_init_parser (PdbXmlParser *parser,
XML_Parser xml_parser)
{
XML_SetParamEntityParsing (xml_parser,
XML_PARAM_ENTITY_PARSING_ALWAYS);
XML_SetUserData (xml_parser, parser);
XML_SetElementHandler (xml_parser,
pdb_xml_start_element_cb,
pdb_xml_end_element_cb);
XML_SetCharacterDataHandler (xml_parser,
pdb_xml_character_data_cb);
XML_SetExternalEntityRefHandler (xml_parser,
pdb_xml_external_entity_ref_cb);
}
END_TEST
/* Test that no error is reported for unknown entities if we have read
an external subset, and standalone is false.
*/
START_TEST(test_wfc_undeclared_entity_with_external_subset) {
char *text =
"<?xml version='1.0' encoding='us-ascii'?>\n"
"<!DOCTYPE doc SYSTEM 'foo'>\n"
"<doc>&entity;</doc>";
char *foo_text =
"<!ELEMENT doc (#PCDATA)*>";
XML_SetParamEntityParsing(parser, XML_PARAM_ENTITY_PARSING_ALWAYS);
XML_SetUserData(parser, foo_text);
XML_SetExternalEntityRefHandler(parser, external_entity_loader);
if (XML_Parse(parser, text, strlen(text), XML_TRUE) == XML_STATUS_ERROR)
xml_failure(parser);
}
/**
* Parses the given input stream and returns a DOM Document.
* A NULL pointer will be returned if errors occurred
*/
nsresult
txXMLParser::parse(istream& aInputStream, const nsAString& aUri,
txXPathNode** aResultDoc)
{
mErrorString.Truncate();
*aResultDoc = nsnull;
if (!aInputStream) {
mErrorString.AppendLiteral("unable to parse xml: invalid or unopen stream encountered.");
return NS_ERROR_FAILURE;
}
static const XML_Memory_Handling_Suite memsuite = {
(void *(*)(size_t))PR_Malloc,
(void *(*)(void *, size_t))PR_Realloc,
PR_Free
};
static const PRUnichar expatSeparator = kExpatSeparatorChar;
mExpatParser = XML_ParserCreate_MM(nsnull, &memsuite, &expatSeparator);
if (!mExpatParser) {
return NS_ERROR_OUT_OF_MEMORY;
}
mDocument = new Document();
if (!mDocument) {
XML_ParserFree(mExpatParser);
return NS_ERROR_OUT_OF_MEMORY;
}
mDocument->documentBaseURI = aUri;
mCurrentNode = mDocument;
XML_SetReturnNSTriplet(mExpatParser, XML_TRUE);
XML_SetUserData(mExpatParser, this);
XML_SetElementHandler(mExpatParser, startElement, endElement);
XML_SetCharacterDataHandler(mExpatParser, charData);
XML_SetProcessingInstructionHandler(mExpatParser, piHandler);
XML_SetCommentHandler(mExpatParser, commentHandler);
#ifdef XML_DTD
XML_SetParamEntityParsing(mExpatParser, XML_PARAM_ENTITY_PARSING_ALWAYS);
#endif
XML_SetExternalEntityRefHandler(mExpatParser, externalEntityRefHandler);
XML_SetExternalEntityRefHandlerArg(mExpatParser, this);
XML_SetBase(mExpatParser,
(const XML_Char*)(PromiseFlatString(aUri).get()));
const int bufferSize = 1024;
char buf[bufferSize];
PRBool done;
do {
aInputStream.read(buf, bufferSize);
done = aInputStream.eof();
if (!XML_Parse(mExpatParser, buf, aInputStream.gcount(), done)) {
createErrorString();
done = MB_TRUE;
delete mDocument;
mDocument = nsnull;
}
} while (!done);
aInputStream.clear();
// clean up
XML_ParserFree(mExpatParser);
// ownership to the caller
*aResultDoc = txXPathNativeNode::createXPathNode(mDocument);
mDocument = nsnull;
return *aResultDoc ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
}
bool f_xml_set_external_entity_ref_handler(const Resource& parser, const Variant& handler) {
XmlParser * p = parser.getTyped<XmlParser>();
xml_set_handler(&p->externalEntityRefHandler, handler);
XML_SetExternalEntityRefHandler(p->parser, _xml_externalEntityRefHandler);
return true;
}
static void parse_init(XML_Parser parser)
{
XML_SetExternalEntityRefHandler(parser, external_entity_handler);
}
NS_IMETHODIMP
nsExpatDriver::WillBuildModel(const CParserContext& aParserContext,
nsITokenizer* aTokenizer,
nsIContentSink* aSink)
{
mSink = do_QueryInterface(aSink);
if (!mSink) {
NS_ERROR("nsExpatDriver didn't get an nsIExpatSink");
// Make sure future calls to us bail out as needed
mInternalState = NS_ERROR_UNEXPECTED;
return mInternalState;
}
mOriginalSink = aSink;
static const XML_Memory_Handling_Suite memsuite =
{
(void *(*)(size_t))PR_Malloc,
(void *(*)(void *, size_t))PR_Realloc,
PR_Free
};
static const PRUnichar kExpatSeparator[] = { kExpatSeparatorChar, '\0' };
mExpatParser = XML_ParserCreate_MM(kUTF16, &memsuite, kExpatSeparator);
NS_ENSURE_TRUE(mExpatParser, NS_ERROR_FAILURE);
XML_SetReturnNSTriplet(mExpatParser, XML_TRUE);
#ifdef XML_DTD
XML_SetParamEntityParsing(mExpatParser, XML_PARAM_ENTITY_PARSING_ALWAYS);
#endif
mURISpec = aParserContext.mScanner->GetFilename();
XML_SetBase(mExpatParser, mURISpec.get());
nsCOMPtr<nsIDocument> doc = do_QueryInterface(mOriginalSink->GetTarget());
if (doc) {
nsCOMPtr<nsPIDOMWindow> win = doc->GetWindow();
if (!win) {
PRBool aHasHadScriptHandlingObject;
nsIScriptGlobalObject *global =
doc->GetScriptHandlingObject(aHasHadScriptHandlingObject);
if (global) {
win = do_QueryInterface(global);
}
}
if (win && !win->IsInnerWindow()) {
win = win->GetCurrentInnerWindow();
}
if (win) {
mInnerWindowID = win->WindowID();
}
}
// Set up the callbacks
XML_SetXmlDeclHandler(mExpatParser, Driver_HandleXMLDeclaration);
XML_SetElementHandler(mExpatParser, Driver_HandleStartElement,
Driver_HandleEndElement);
XML_SetCharacterDataHandler(mExpatParser, Driver_HandleCharacterData);
XML_SetProcessingInstructionHandler(mExpatParser,
Driver_HandleProcessingInstruction);
XML_SetDefaultHandlerExpand(mExpatParser, Driver_HandleDefault);
XML_SetExternalEntityRefHandler(mExpatParser,
(XML_ExternalEntityRefHandler)
Driver_HandleExternalEntityRef);
XML_SetExternalEntityRefHandlerArg(mExpatParser, this);
XML_SetCommentHandler(mExpatParser, Driver_HandleComment);
XML_SetCdataSectionHandler(mExpatParser, Driver_HandleStartCdataSection,
Driver_HandleEndCdataSection);
XML_SetParamEntityParsing(mExpatParser,
XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONE);
XML_SetDoctypeDeclHandler(mExpatParser, Driver_HandleStartDoctypeDecl,
Driver_HandleEndDoctypeDecl);
// If the sink is an nsIExtendedExpatSink,
// register some addtional handlers.
mExtendedSink = do_QueryInterface(mSink);
if (mExtendedSink) {
XML_SetNamespaceDeclHandler(mExpatParser,
Driver_HandleStartNamespaceDecl,
Driver_HandleEndNamespaceDecl);
XML_SetUnparsedEntityDeclHandler(mExpatParser,
Driver_HandleUnparsedEntityDecl);
XML_SetNotationDeclHandler(mExpatParser,
Driver_HandleNotationDecl);
}
// Set up the user data.
XML_SetUserData(mExpatParser, this);
// XML must detect invalid character convertion
aParserContext.mScanner->OverrideReplacementCharacter(0xffff);
return mInternalState;
}
bool f_xml_set_external_entity_ref_handler(CObjRef parser, CVarRef handler) {
XmlParser * p = parser.getTyped<XmlParser>();
xml_set_handler(&p->externalEntityRefHandler, handler);
XML_SetExternalEntityRefHandler(p->parser, _xml_externalEntityRefHandler);
return true;
}
void _Expat_XML_SetExternalEntityRefHandler(struct ExpatIFace * Self, XML_Parser parser, XML_ExternalEntityRefHandler handler)
{
XML_SetExternalEntityRefHandler(parser, handler);
}