CXmlLoader::CXmlLoader(IXmlIOHandler & handler):m_handler(handler){
m_parser = XML_ParserCreate(NULL);
m_ctx.root = m_ctx.node = NULL;
XML_SetUserData(m_parser, (void*)&m_ctx);
XML_SetElementHandler(m_parser, StartElementHnd, EndElementHnd);
XML_SetCharacterDataHandler(m_parser, TextHnd);
XML_SetCommentHandler(m_parser, CommentHnd);
};
TinyDomElement* TinyDom::parse(std::istream& istr) {
XML_Parser parser = XML_ParserCreate(0);
TinyDomParser tdparser;
XML_SetUserData(parser, &tdparser);
XML_SetCharacterDataHandler(parser, characterDataHandler);
XML_SetElementHandler(parser, startElementHandler, endElementHandler);
XML_SetCommentHandler(parser, commentHandler);
XML_SetProcessingInstructionHandler(parser, processingInstructionHandler);
XML_SetXmlDeclHandler(parser, xmlDeclHandler);
XML_SetDefaultHandler(parser, defaultHandler);
XML_SetDoctypeDeclHandler(parser, startDoctypeDeclHandler, endDoctypeDeclHandler);
try {
while (1) {
void* buf = XML_GetBuffer(parser, 1024);
if (!buf) {
throw std::runtime_error("out of memory!");
}
istr.read((char*)buf, 1024);
std::streamsize len = istr.gcount();
if (istr.fail() && !istr.eof()) {
throw std::runtime_error("failed IO");
}
bool isFinal = (istr.eof() || len < 1024);
if (! XML_ParseBuffer(parser, len, isFinal)) {
std::ostringstream ostr;
ostr << "parse error at line " << XML_GetErrorLineNumber(parser)
<< ", column " << XML_GetErrorColumnNumber(parser) << ": "
<< XML_ErrorString(XML_GetErrorCode(parser));
throw std::runtime_error(ostr.str());
}
if (isFinal) {
break;
}
}
XML_ParserFree(parser);
} catch (...) {
//std::cerr << "Got exception: " << e.what() << "\n";
if (parser) { XML_ParserFree(parser); }
delete tdparser.rootElement;
throw;
}
return tdparser.rootElement;
}
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;
}
sp<XMLNode> XMLNode::parse(const sp<AaptFile>& file)
{
char buf[16384];
int fd = open(file->getSourceFile().string(), O_RDONLY | O_BINARY);
if (fd < 0) {
SourcePos(file->getSourceFile(), -1).error("Unable to open file for read: %s",
strerror(errno));
return NULL;
}
XML_Parser parser = XML_ParserCreateNS(NULL, 1);
ParseState state;
state.filename = file->getPrintableSource();
state.parser = parser;
XML_SetUserData(parser, &state);
XML_SetElementHandler(parser, startElement, endElement);
XML_SetNamespaceDeclHandler(parser, startNamespace, endNamespace);
XML_SetCharacterDataHandler(parser, characterData);
XML_SetCommentHandler(parser, commentData);
ssize_t len;
bool done;
do {
len = read(fd, buf, sizeof(buf));
done = len < (ssize_t)sizeof(buf);
if (len < 0) {
SourcePos(file->getSourceFile(), -1).error("Error reading file: %s\n", strerror(errno));
close(fd);
return NULL;
}
if (XML_Parse(parser, buf, len, done) == XML_STATUS_ERROR) {
SourcePos(file->getSourceFile(), (int)XML_GetCurrentLineNumber(parser)).error(
"Error parsing XML: %s\n", XML_ErrorString(XML_GetErrorCode(parser)));
close(fd);
return NULL;
}
} while (!done);
XML_ParserFree(parser);
if (state.root == NULL) {
SourcePos(file->getSourceFile(), -1).error("No XML data generated when parsing");
}
close(fd);
return state.root;
}
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;
}
LLXmlParser::LLXmlParser()
:
mParser( NULL ),
mDepth( 0 )
{
mAuxErrorString = "no error";
// Override the document's declared encoding.
mParser = XML_ParserCreate(NULL);
XML_SetUserData(mParser, this);
XML_SetElementHandler( mParser, startElementHandler, endElementHandler);
XML_SetCharacterDataHandler( mParser, characterDataHandler);
XML_SetProcessingInstructionHandler( mParser, processingInstructionHandler);
XML_SetCommentHandler( mParser, commentHandler);
XML_SetCdataSectionHandler( mParser, startCdataSectionHandler, endCdataSectionHandler);
// This sets the default handler but does not inhibit expansion of internal entities.
// The entity reference will not be passed to the default handler.
XML_SetDefaultHandlerExpand( mParser, defaultDataHandler);
XML_SetUnparsedEntityDeclHandler( mParser, unparsedEntityDeclHandler);
}
/**
* 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;
}
void _Expat_XML_SetCommentHandler(struct ExpatIFace * Self, XML_Parser parser, XML_CommentHandler handler)
{
XML_SetCommentHandler(parser, handler);
}
void xs_infoset_scan(xsMachine* the)
{
int c = xsToInteger(xsArgc);
Scanner scanner;
Scanner* self;
xsVars(COUNT);
xsTry {
self = &scanner;
c_memset(self, 0, sizeof(Scanner));
if (c < 1)
xsSyntaxError("no buffer");
self->expat = XML_ParserCreate(NULL);
xsThrowIfNULL(self->expat);
XML_SetUserData(self->expat, self);
XML_SetElementHandler(self->expat, scanStartTag, scanStopTag);
XML_SetCdataSectionHandler(self->expat, scanStartCdata, scanStopCdata);
XML_SetCharacterDataHandler(self->expat, scanCharacter);
XML_SetCommentHandler(self->expat, scanComment);
XML_SetProcessingInstructionHandler(self->expat, scanProcessingInstruction);
XML_SetUnknownEncodingHandler(self->expat, scanUnknownEncoding, NULL);
XML_SetSkippedEntityHandler(self->expat, scanEntity);
self->result = 1;
self->textBuffer = c_malloc(8192);
xsThrowIfNULL(self->textBuffer);
self->textSize = 8192;
self->the = the;
xsVar(ATTRIBUTE_PROTOTYPE) = xsGet(xsThis, xsID_attribute);
xsVar(CDATA_PROTOTYPE) = xsGet(xsThis, xsID_cdata);
xsVar(COMMENT_PROTOTYPE) = xsGet(xsThis, xsID_comment);
xsVar(DOCUMENT_PROTOTYPE) = xsGet(xsThis, xsID_document);
xsVar(ELEMENT_PROTOTYPE) = xsGet(xsThis, xsID_element);
xsVar(NO_NAMESPACE) = xsString("");
xsVar(NO_PREFIX) = xsString("");
xsVar(PATH) = (c > 1) ? xsArg(1) : xsUndefined;
xsVar(PI_PROTOTYPE) = xsGet(xsThis, xsID_pi);
xsVar(XML_NAMESPACE) = xsGet(xsThis, xsID_xmlnsNamespace);
xsVar(XML_PREFIX) = xsGet(xsThis, xsID_xmlnsPrefix);
xsResult = xsNewInstanceOf(xsVar(DOCUMENT_PROTOTYPE));
xsSet(xsResult, xsID_encoding, xsString("UTF-8"));
xsSet(xsResult, xsID_version, xsString("1.0"));
xsVar(CHILDREN) = xsNewInstanceOf(xsArrayPrototype);
xsArrayCacheBegin(xsVar(CHILDREN));
xsSet(xsResult, xsID_children, xsVar(CHILDREN));
xsSet(xsResult, xsID_parent, xsNull);
xsSet(xsResult, xsID_xmlnsAttributes, xsNull);
if (xsIsInstanceOf(xsArg(0), xsChunkPrototype)) {
xsStringValue buffer = xsGetHostData(xsArg(0));
xsIntegerValue size = xsToInteger(xsGet(xsArg(0), xsID_length));
self->result = XML_Parse(self->expat, (const char *)buffer, size, 1);
}
else if (xsTypeOf(xsArg(0)) == xsStringType) {
xsStringValue string = xsToString(xsArg(0));
xsIntegerValue stringOffset = 0;
xsIntegerValue stringSize = c_strlen(string);
while (self->result && (stringOffset < stringSize)) {
xsIntegerValue size = stringSize - stringOffset;
xsStringValue buffer = (char *)XML_GetBuffer(self->expat, 1024);
xsThrowIfNULL(buffer);
if (size > 1024)
size = 1024;
c_memcpy(buffer, string + stringOffset, size);
self->result = XML_ParseBuffer(self->expat, size, (size < 1024) ? 1 : 0);
stringOffset += size;
string = xsToString(xsArg(0)); // @@ gc
}
}
else {
xsStreamGetter* streamGetter = xsGetHostData(xsArg(0));
while (self->result) {
xsIntegerValue i;
xsStringValue p, buffer = (char *)XML_GetBuffer(self->expat, 1024);
xsThrowIfNULL(buffer);
for (i = 0, p = buffer; i < 1024; i++, p++) {
int c = (*(streamGetter->getter))(streamGetter->stream);
if (c == C_EOF)
break;
*p = (char)c;
}
self->result = XML_ParseBuffer(self->expat, i, (i < 1024) ? 1 : 0);
if (i < 1024)
break;
}
}
xsDelete(xsResult, xsID_xmlnsAttributes);
xsDelete(xsResult, xsID_parent);
xsArrayCacheEnd(xsVar(CHILDREN));
if (!self->result) {
xsVar(LINE) = xsInteger(XML_GetCurrentLineNumber(self->expat));
xsVar(VALUE) = xsString((char*)XML_ErrorString(XML_GetErrorCode(self->expat)));
if (xsHas(xsThis, xsID_reportError))
xsCall3_noResult(xsThis, xsID_reportError, xsVar(PATH), xsVar(LINE), xsVar(VALUE));
xsThrow(xsNewInstanceOf(xsSyntaxErrorPrototype));
}
c_free(self->textBuffer);
self->textBuffer = NULL;
XML_ParserFree(self->expat);
self->expat = NULL;
}
xsCatch {
if (self->textBuffer)
c_free(self->textBuffer);
if (self->expat)
XML_ParserFree(self->expat);
}
}
int
DOM_DocumentLS_load(DOM_Document *doc, const DOM_String *uri)
{
FILE *fd;
XML_Parser p;
struct stack *stk;
size_t n; // was ssize_t (DBL)
void *buf;
int ret, done;
DOM_Exception=DOM_NO_ERR; //line added by DBL
if (doc == NULL || uri == NULL) {
DOM_Exception = DOM_NULL_POINTER_ERR;
return 0;
}
fd = fopen(uri, "r");
if (fd == NULL) {
DOM_Exception = DOM_SYSTEM_ERR;
return 0;
}
p = XML_ParserCreate(NULL);
if (p == NULL) {
DOM_Exception = DOM_XML_PARSER_ERR;
fclose(fd);
return 0;
}
stk = stack_new(INT_MAX);
if (stk == NULL || stack_push(stk, doc) == 0) {
DOM_Exception = DOM_SYSTEM_ERR;
XML_ParserFree(p);
fclose(fd);
stack_del(stk, NULL);
return 0;
}
XML_SetElementHandler(p, start_fn, end_fn);
XML_SetCharacterDataHandler(p, chardata_fn);
XML_SetCommentHandler(p, comment_fn);
XML_SetProcessingInstructionHandler(p , processing_fn);
XML_SetUserData(p, stk);
ret = 1;
for ( ;; ) {
if ((buf = XML_GetBuffer(p, BUF_SIZ)) == NULL) {
DOM_Exception = DOM_NO_MEMORY_ERR;
ret = 0;
break;
}
if ((n = fread(buf, 1, BUF_SIZ, fd)) == 0 && ferror(fd)) {
DOM_Exception = DOM_SYSTEM_ERR;
ret = 0;
break;
}
if (XML_ParseBuffer(p, (int) n, (done = feof(fd))) == 0 || DOM_Exception) {
if (DOM_Exception == 0) {
DOM_Exception = DOM_XML_PARSER_ERR;
}
ret = 0;
break;
}
if (done) {
break;
}
}
stack_del(stk, NULL);
XML_ParserFree(p);
fclose(fd);
return ret;
}
void XMLParser::EnableCommentHandler(bool enable)
{
assert(m_parser != NULL);
XML_SetCommentHandler(m_parser, enable ? CommentHandler : NULL);
}
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 wxXmlDocument::Load(wxInputStream& stream, const wxString& encoding, int flags)
{
#if wxUSE_UNICODE
(void)encoding;
#else
m_encoding = encoding;
#endif
const size_t BUFSIZE = 1024;
char buf[BUFSIZE];
wxXmlParsingContext ctx;
bool done;
XML_Parser parser = XML_ParserCreate(NULL);
ctx.root = ctx.node = NULL;
ctx.encoding = wxT("UTF-8"); // default in absence of encoding=""
ctx.conv = NULL;
#if !wxUSE_UNICODE
if ( encoding.CmpNoCase(wxT("UTF-8")) != 0 )
ctx.conv = new wxCSConv(encoding);
#endif
ctx.removeWhiteOnlyNodes = (flags & wxXMLDOC_KEEP_WHITESPACE_NODES) == 0;
XML_SetUserData(parser, (void*)&ctx);
XML_SetElementHandler(parser, StartElementHnd, EndElementHnd);
XML_SetCharacterDataHandler(parser, TextHnd);
XML_SetStartCdataSectionHandler(parser, StartCdataHnd);
XML_SetCommentHandler(parser, CommentHnd);
XML_SetDefaultHandler(parser, DefaultHnd);
XML_SetUnknownEncodingHandler(parser, UnknownEncodingHnd, NULL);
bool ok = true;
do
{
size_t len = stream.Read(buf, BUFSIZE).LastRead();
done = (len < BUFSIZE);
if (!XML_Parse(parser, buf, len, done))
{
wxString error(XML_ErrorString(XML_GetErrorCode(parser)),
*wxConvCurrent);
wxLogError(_("XML parsing error: '%s' at line %d"),
error.c_str(),
XML_GetCurrentLineNumber(parser));
ok = false;
break;
}
} while (!done);
if (ok)
{
if (!ctx.version.empty())
SetVersion(ctx.version);
if (!ctx.encoding.empty())
SetFileEncoding(ctx.encoding);
SetRoot(ctx.root);
}
else
{
delete ctx.root;
}
XML_ParserFree(parser);
#if !wxUSE_UNICODE
if ( ctx.conv )
delete ctx.conv;
#endif
return ok;
}
/* The handler. Create a new parser and/or filter context where appropriate
* and parse the chunks of data received from the brigade
*/
static int idlChunkHandler( ap_filter_t *f, apr_bucket_brigade *brigade ) {
idlChunkContext* ctx = f->ctx;
apr_bucket* currentBucket = NULL;
apr_pool_t* pool = f->r->pool;
const char* data;
apr_size_t len;
osrfStringArray* params = NULL;
mparams = NULL;
/* load the per-dir/location config */
idlChunkConfig* config = ap_get_module_config(
f->r->per_dir_config, &idlchunk_module );
ap_log_rerror(APLOG_MARK, APLOG_ERR,
0, f->r, "IDLCHUNK Config:\nContent Type = %s, "
"Strip PI = %s, Strip Comments = %s, Doctype = %s",
config->contentType,
(config->stripPI) ? "yes" : "no",
(config->stripComments) ? "yes" : "no",
config->doctype);
/* set the content type based on the config */
ap_set_content_type(f->r, config->contentType);
//ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, f->r, "Set content type");
params = apacheParseParms(f->r); /* free me */
mparams = apacheGetParamValues( params, "class" ); /* free me */
all = 1;
if (mparams && mparams->size > 0) all = 0;
//ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, f->r, "Parsed the params, if any");
/* create the XML parser */
int firstrun = 0;
if( parser == NULL ) {
firstrun = 1;
parser = XML_ParserCreate("UTF-8");
XML_SetUserData(parser, f);
XML_SetElementHandler(parser, startElement, endElement);
XML_SetCharacterDataHandler(parser, charHandler);
if(!config->stripDoctype)
XML_SetStartDoctypeDeclHandler( parser, doctypeHandler );
if(!config->stripPI)
XML_SetProcessingInstructionHandler(parser, handlePI);
if(!config->stripComments)
XML_SetCommentHandler(parser, handleComment);
}
/* create the filter context */
if( ctx == NULL ) {
f->ctx = ctx = apr_pcalloc( pool, sizeof(*ctx));
ctx->brigade = apr_brigade_create( pool, f->c->bucket_alloc );
ctx->parser = parser;
}
if(firstrun) { /* we haven't started writing the data to the stream yet */
/* go ahead and write the doctype out if we have one defined */
if(config->doctype) {
ap_log_rerror( APLOG_MARK, APLOG_DEBUG,
0, f->r, "IDLCHUNK DOCTYPE => %s", config->doctype);
_fwrite(f, "%s\n", config->doctype);
}
}
/* cycle through the buckets in the brigade */
while (!APR_BRIGADE_EMPTY(brigade)) {
/* grab the next bucket */
currentBucket = APR_BRIGADE_FIRST(brigade);
/* clean up when we're done */
if (APR_BUCKET_IS_EOS(currentBucket) || APR_BUCKET_IS_FLUSH(currentBucket)) {
APR_BUCKET_REMOVE(currentBucket);
APR_BRIGADE_INSERT_TAIL(ctx->brigade, currentBucket);
ap_pass_brigade(f->next, ctx->brigade);
XML_ParserFree(parser);
if (params) osrfStringArrayFree(params);
if (mparams) osrfStringArrayFree(mparams);
parser = NULL;
return APR_SUCCESS;
}
/* read the incoming data */
int s = apr_bucket_read(currentBucket, &data, &len, APR_NONBLOCK_READ);
if( s != APR_SUCCESS ) {
ap_log_rerror( APLOG_MARK, APLOG_ERR, 0, f->r,
"IDLCHUNK error reading data from filter with status %d", s);
if (params) osrfStringArrayFree(params);
if (mparams) osrfStringArrayFree(mparams);
return s;
}
if (len > 0) {
ap_log_rerror( APLOG_MARK, APLOG_DEBUG,
0, f->r, "IDLCHUNK read %d bytes", (int)len);
/* push data into the XML push parser */
if ( XML_Parse(ctx->parser, data, len, 0) == XML_STATUS_ERROR ) {
char tmp[len+1];
memcpy(tmp, data, len);
tmp[len] = '\0';
/* log and die on XML errors */
ap_log_rerror( APLOG_MARK, APLOG_ERR, 0, f->r,
"IDLCHUNK XML Parse Error: %s at line %d: parsing %s: data %s",
XML_ErrorString(XML_GetErrorCode(ctx->parser)),
(int) XML_GetCurrentLineNumber(ctx->parser), f->r->filename, tmp);
XML_ParserFree(parser);
if (params) osrfStringArrayFree(params);
if (mparams) osrfStringArrayFree(mparams);
parser = NULL;
return HTTP_INTERNAL_SERVER_ERROR;
}
}
/* so a subrequest doesn't re-read this bucket */
apr_bucket_delete(currentBucket);
}
apr_brigade_destroy(brigade);
if (params) osrfStringArrayFree(params);
if (mparams) osrfStringArrayFree(mparams);
return APR_SUCCESS;
}
void bmx_expat_XML_SetCommentHandler(XML_Parser parser) {
XML_SetCommentHandler(parser, bmx_expat_CommentHandler);
}