XepParser::XepParser()
{
m_parser = XML_ParserCreate("UTF-8");
XML_SetUserData(m_parser, this);
XML_SetElementHandler(m_parser, p_element_start, p_element_end);
XML_SetCharacterDataHandler(m_parser, p_char_data);
XML_SetStartCdataSectionHandler(m_parser, p_start_cdata);
XML_SetEndCdataSectionHandler(m_parser, p_end_cdata);
m_data = NULL;
m_cdata = NULL;
m_bRec = false;
m_width = 0;
m_height = 0;
}
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;
}
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;
}
void _Expat_XML_SetStartCdataSectionHandler(struct ExpatIFace * Self, XML_Parser parser, XML_StartCdataSectionHandler start)
{
XML_SetStartCdataSectionHandler(parser, start);
}
void XMLParser::EnableStartCdataSectionHandler(bool enable)
{
assert(m_parser != NULL);
XML_SetStartCdataSectionHandler(m_parser, enable ? StartCdataSectionHandler : NULL);
}
void bmx_expat_XML_SetStartCdataSectionHandler(XML_Parser parser) {
XML_SetStartCdataSectionHandler(parser, bmx_expat_StartCdataSectionHandler);
}