diff options
Diffstat (limited to 'sdext/source/pdfimport/pdfparse/pdfparse.cxx')
| -rw-r--r-- | sdext/source/pdfimport/pdfparse/pdfparse.cxx | 708 |
1 files changed, 708 insertions, 0 deletions
diff --git a/sdext/source/pdfimport/pdfparse/pdfparse.cxx b/sdext/source/pdfimport/pdfparse/pdfparse.cxx new file mode 100644 index 000000000000..46a2b72ca7b9 --- /dev/null +++ b/sdext/source/pdfimport/pdfparse/pdfparse.cxx @@ -0,0 +1,708 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_sdext.hxx" + +#if defined __SUNPRO_CC +#pragma disable_warn +#elif defined _MSC_VER +#pragma warning(push, 1) +#endif + +#include "pdfparse.hxx" + +// workaround windows compiler: do not include multi_pass.hpp +#include <boost/spirit/include/classic_core.hpp> +#include <boost/spirit/include/classic_utility.hpp> +#include <boost/spirit/include/classic_error_handling.hpp> +#include <boost/spirit/include/classic_file_iterator.hpp> +#include <boost/bind.hpp> +#include <string> + +#include <rtl/strbuf.hxx> +#include <rtl/memory.h> +#include <rtl/alloc.h> + +// disable warnings again because someone along the line has enabled them +#if defined __SUNPRO_CC +#pragma disable_warn +#elif defined _MSC_VER +#pragma warning(push, 1) +#endif + +using namespace boost::spirit; +using namespace pdfparse; + +using ::rtl::OString; +using ::rtl::OStringBuffer; + +class StringEmitContext : public EmitContext +{ + OStringBuffer m_aBuf; + public: + StringEmitContext() : EmitContext(), m_aBuf(256) {} + virtual ~StringEmitContext() {} + virtual bool write( const void* pBuf, unsigned int nLen ) throw() + { + m_aBuf.append( (const sal_Char*)pBuf, nLen ); + return true; + } + virtual unsigned int getCurPos() throw() { return m_aBuf.getLength(); } + virtual bool copyOrigBytes( unsigned int nOrigOffset, unsigned int nLen ) throw() + { return (nOrigOffset+nLen < static_cast<unsigned int>(m_aBuf.getLength()) ) ? + write( m_aBuf.getStr() + nOrigOffset, nLen ) : false; } + virtual unsigned int readOrigBytes( unsigned int nOrigOffset, unsigned int nLen, void* pBuf ) throw() + { + if( nOrigOffset+nLen < static_cast<unsigned int>(m_aBuf.getLength()) ) + { + rtl_copyMemory( pBuf, m_aBuf.getStr()+nOrigOffset, nLen ); + return nLen; + } + return 0; + } + + OString getString() { return m_aBuf.makeStringAndClear(); } +}; + +template< class iteratorT > +class PDFGrammar : public grammar< PDFGrammar<iteratorT> > +{ +public: + + PDFGrammar( const iteratorT& first ) + : m_fDouble( 0.0 ), m_aGlobalBegin( first ) {} + ~PDFGrammar() + { + if( !m_aObjectStack.empty() ) + delete m_aObjectStack.front(); + } + + double m_fDouble; + std::vector< unsigned int > m_aUIntStack; + std::vector< PDFEntry* > m_aObjectStack; + rtl::OString m_aErrorString; + iteratorT m_aGlobalBegin; + +public: + struct pdf_string_parser + { + typedef nil_t result_t; + template <typename ScannerT> + std::ptrdiff_t + operator()(ScannerT const& scan, result_t&) const + { + std::ptrdiff_t len = 0; + + int nBraceLevel = 0; + while( ! scan.at_end() ) + { + char c = *scan; + if( c == ')' ) + { + nBraceLevel--; + if( nBraceLevel < 0 ) + break; + } + else if( c == '(' ) + nBraceLevel++; + else if( c == '\\' ) // ignore escaped braces + { + ++len; + ++scan; + if( scan.at_end() ) + break; + } + ++len; + ++scan; + } + return scan.at_end() ? -1 : len; + } + }; + + template< typename ScannerT > + struct definition + { + definition( const PDFGrammar<iteratorT>& rSelf ) + { + PDFGrammar<iteratorT>* pSelf = const_cast< PDFGrammar<iteratorT>* >( &rSelf ); + + // workaround workshop compiler: comment_p doesn't work + // comment = comment_p("%")[boost::bind(&PDFGrammar::pushComment, pSelf, _1, _2 )]; + comment = lexeme_d[ (ch_p('%') >> *(~ch_p('\r') & ~ch_p('\n')) >> eol_p)[boost::bind(&PDFGrammar::pushComment, pSelf, _1, _2 )] ]; + + boolean = (str_p("true") | str_p("false"))[boost::bind(&PDFGrammar::pushBool, pSelf, _1, _2)]; + + // workaround workshop compiler: confix_p doesn't work + //stream = confix_p( "stream", *anychar_p, "endstream" )[boost::bind(&PDFGrammar::emitStream, pSelf, _1, _2 )]; + stream = (str_p("stream") >> *(anychar_p - str_p("endstream")) >> str_p("endstream"))[boost::bind(&PDFGrammar::emitStream, pSelf, _1, _2 )]; + + name = lexeme_d[ + ch_p('/') + >> (*(anychar_p-chset_p("\t\n\f\r ()<>[]{}/%")-ch_p('\0'))) + [boost::bind(&PDFGrammar::pushName, pSelf, _1, _2)] ]; + + // workaround workshop compiler: confix_p doesn't work + //stringtype = ( confix_p("(",*anychar_p, ")") | + // confix_p("<",*xdigit_p, ">") ) + // [boost::bind(&PDFGrammar::pushString,pSelf, _1, _2)]; + + stringtype = ( ( ch_p('(') >> functor_parser<pdf_string_parser>() >> ch_p(')') ) | + ( ch_p('<') >> *xdigit_p >> ch_p('>') ) ) + [boost::bind(&PDFGrammar::pushString,pSelf, _1, _2)]; + + null_object = str_p( "null" )[boost::bind(&PDFGrammar::pushNull, pSelf, _1, _2)]; + + #ifdef USE_ASSIGN_ACTOR + objectref = ( uint_p[push_back_a(pSelf->m_aUIntStack)] + >> uint_p[push_back_a(pSelf->m_aUIntStack)] + >> ch_p('R') + >> eps_p + )[boost::bind(&PDFGrammar::pushObjectRef, pSelf, _1, _2)]; + #else + objectref = ( uint_p[boost::bind(&PDFGrammar::push_back_action_uint, pSelf, _1)] + >> uint_p[boost::bind(&PDFGrammar::push_back_action_uint, pSelf, _1)] + >> ch_p('R') + >> eps_p + )[boost::bind(&PDFGrammar::pushObjectRef, pSelf, _1, _2)]; + #endif + + #ifdef USE_ASSIGN_ACTOR + simple_type = objectref | name | + ( real_p[assign_a(pSelf->m_fDouble)] >> eps_p ) + [boost::bind(&PDFGrammar::pushDouble, pSelf, _1, _2)] + | stringtype | boolean | null_object; + #else + simple_type = objectref | name | + ( real_p[boost::bind(&PDFGrammar::assign_action_double, pSelf, _1)] >> eps_p ) + [boost::bind(&PDFGrammar::pushDouble, pSelf, _1, _2)] + | stringtype | boolean | null_object; + #endif + + dict_begin = str_p( "<<" )[boost::bind(&PDFGrammar::beginDict, pSelf, _1, _2)]; + dict_end = str_p( ">>" )[boost::bind(&PDFGrammar::endDict, pSelf, _1, _2)]; + + array_begin = str_p("[")[boost::bind(&PDFGrammar::beginArray,pSelf, _1, _2)]; + array_end = str_p("]")[boost::bind(&PDFGrammar::endArray,pSelf, _1, _2)]; + + #ifdef USE_ASSIGN_ACTOR + object_begin= uint_p[push_back_a(pSelf->m_aUIntStack)] + >> uint_p[push_back_a(pSelf->m_aUIntStack)] + >> str_p("obj" )[boost::bind(&PDFGrammar::beginObject, pSelf, _1, _2)]; + #else + object_begin= uint_p[boost::bind(&PDFGrammar::push_back_action_uint, pSelf, _1)] + >> uint_p[boost::bind(&PDFGrammar::push_back_action_uint, pSelf, _1)] + >> str_p("obj" )[boost::bind(&PDFGrammar::beginObject, pSelf, _1, _2)]; + #endif + object_end = str_p( "endobj" )[boost::bind(&PDFGrammar::endObject, pSelf, _1, _2)]; + + xref = str_p( "xref" ) >> uint_p >> uint_p + >> lexeme_d[ + +( repeat_p(10)[digit_p] + >> blank_p + >> repeat_p(5)[digit_p] + >> blank_p + >> ( ch_p('n') | ch_p('f') ) + >> repeat_p(2)[space_p] + ) ]; + + dict_element= dict_begin | comment | simple_type + | array_begin | array_end | dict_end; + + object = object_begin + >> *dict_element + >> !stream + >> object_end; + + trailer = str_p( "trailer" )[boost::bind(&PDFGrammar::beginTrailer,pSelf,_1,_2)] + >> *dict_element + >> str_p("startxref") + >> uint_p + >> str_p("%%EOF")[boost::bind(&PDFGrammar::endTrailer,pSelf,_1,_2)]; + + #ifdef USE_ASSIGN_ACTOR + pdfrule = ! (lexeme_d[ + str_p( "%PDF-" ) + >> uint_p[push_back_a(pSelf->m_aUIntStack)] + >> ch_p('.') + >> uint_p[push_back_a(pSelf->m_aUIntStack)] + >> *((~ch_p('\r') & ~ch_p('\n'))) + >> eol_p + ])[boost::bind(&PDFGrammar::haveFile,pSelf, _1, _2)] + >> *( comment | object | ( xref >> trailer ) ); + #else + pdfrule = ! (lexeme_d[ + str_p( "%PDF-" ) + >> uint_p[boost::bind(&PDFGrammar::push_back_action_uint, pSelf, _1)] + >> ch_p('.') + >> uint_p[boost::bind(&PDFGrammar::push_back_action_uint, pSelf, _1)] + >> *((~ch_p('\r') & ~ch_p('\n'))) + >> eol_p + ])[boost::bind(&PDFGrammar::haveFile,pSelf, _1, _2)] + >> *( comment | object | ( xref >> trailer ) ); + #endif + } + rule< ScannerT > comment, stream, boolean, name, stringtype, null_object, simple_type, + objectref, array, value, dict_element, dict_begin, dict_end, + array_begin, array_end, object, object_begin, object_end, + xref, trailer, pdfrule; + + const rule< ScannerT >& start() const { return pdfrule; } + }; + + #ifndef USE_ASSIGN_ACTOR + void push_back_action_uint( unsigned int i ) + { + m_aUIntStack.push_back( i ); + } + void assign_action_double( double d ) + { + m_fDouble = d; + } + #endif + + void parseError( const char* pMessage, iteratorT pLocation ) + { + throw_( pLocation, pMessage ); + } + + rtl::OString iteratorToString( iteratorT first, iteratorT last ) const + { + rtl::OStringBuffer aStr( 32 ); + while( first != last ) + { + aStr.append( *first ); + ++first; + } + return aStr.makeStringAndClear(); + } + + void haveFile( iteratorT pBegin, iteratorT /*pEnd*/ ) + { + if( m_aObjectStack.empty() ) + { + PDFFile* pFile = new PDFFile(); + pFile->m_nMinor = m_aUIntStack.back(); + m_aUIntStack.pop_back(); + pFile->m_nMajor = m_aUIntStack.back(); + m_aUIntStack.pop_back(); + m_aObjectStack.push_back( pFile ); + } + else + parseError( "found file header in unusual place", pBegin ); + } + + void pushComment( iteratorT first, iteratorT last ) + { + // add a comment to the current stack element + PDFComment* pComment = + new PDFComment(iteratorToString(first,last)); + if( m_aObjectStack.empty() ) + m_aObjectStack.push_back( new PDFPart() ); + PDFContainer* pContainer = dynamic_cast<PDFContainer*>(m_aObjectStack.back()); + if( pContainer == NULL ) + parseError( "comment without container", first ); + pContainer->m_aSubElements.push_back( pComment ); + } + + void insertNewValue( PDFEntry* pNewValue, iteratorT pPos ) + { + PDFContainer* pContainer = NULL; + const char* pMsg = NULL; + if( ! m_aObjectStack.empty() && + (pContainer = dynamic_cast<PDFContainer*>(m_aObjectStack.back())) != NULL ) + { + if( dynamic_cast<PDFDict*>(pContainer) == NULL && + dynamic_cast<PDFArray*>(pContainer) == NULL ) + { + PDFObject* pObj = dynamic_cast<PDFObject*>(pContainer); + if( pObj ) + { + if( pObj->m_pObject == NULL ) + pObj->m_pObject = pNewValue; + else + { + pMsg = "second value for object"; + pContainer = NULL; + } + } + else if( dynamic_cast<PDFDict*>(pNewValue) ) + { + PDFTrailer* pTrailer = dynamic_cast<PDFTrailer*>(pContainer); + if( pTrailer ) + { + if( pTrailer->m_pDict == NULL ) + pTrailer->m_pDict = dynamic_cast<PDFDict*>(pNewValue); + else + pContainer = NULL; + } + else + pContainer = NULL; + } + else + pContainer = NULL; + } + } + if( pContainer ) + pContainer->m_aSubElements.push_back( pNewValue ); + else + { + if( ! pMsg ) + { + if( dynamic_cast<PDFContainer*>(pNewValue) ) + pMsg = "array without container"; + else + pMsg = "value without container"; + } + delete pNewValue; + parseError( pMsg, pPos ); + } + } + + void pushName( iteratorT first, iteratorT last ) + { + insertNewValue( new PDFName(iteratorToString(first,last)), first ); + } + + void pushDouble( iteratorT first, iteratorT /*last*/ ) + { + insertNewValue( new PDFNumber(m_fDouble), first ); + } + + void pushString( iteratorT first, iteratorT last ) + { + insertNewValue( new PDFString(iteratorToString(first,last)), first ); + } + + void pushBool( iteratorT first, iteratorT last ) + { + insertNewValue( new PDFBool( (last-first == 4) ), first ); + } + + void pushNull( iteratorT first, iteratorT ) + { + insertNewValue( new PDFNull(), first ); + } + + + void beginObject( iteratorT first, iteratorT /*last*/ ) + { + if( m_aObjectStack.empty() ) + m_aObjectStack.push_back( new PDFPart() ); + + unsigned int nGeneration = m_aUIntStack.back(); + m_aUIntStack.pop_back(); + unsigned int nObject = m_aUIntStack.back(); + m_aUIntStack.pop_back(); + + PDFObject* pObj = new PDFObject( nObject, nGeneration ); + pObj->m_nOffset = first - m_aGlobalBegin; + + PDFContainer* pContainer = dynamic_cast<PDFContainer*>(m_aObjectStack.back()); + if( pContainer && + ( dynamic_cast<PDFFile*>(pContainer) || + dynamic_cast<PDFPart*>(pContainer) ) ) + { + pContainer->m_aSubElements.push_back( pObj ); + m_aObjectStack.push_back( pObj ); + } + else + parseError( "object in wrong place", first ); + } + + void endObject( iteratorT first, iteratorT ) + { + if( m_aObjectStack.empty() ) + parseError( "endobj without obj", first ); + else if( dynamic_cast<PDFObject*>(m_aObjectStack.back()) == NULL ) + parseError( "spurious endobj", first ); + else + m_aObjectStack.pop_back(); + } + + void pushObjectRef( iteratorT first, iteratorT ) + { + unsigned int nGeneration = m_aUIntStack.back(); + m_aUIntStack.pop_back(); + unsigned int nObject = m_aUIntStack.back(); + m_aUIntStack.pop_back(); + insertNewValue( new PDFObjectRef(nObject,nGeneration), first ); + } + + void beginDict( iteratorT first, iteratorT ) + { + PDFDict* pDict = new PDFDict(); + pDict->m_nOffset = first - m_aGlobalBegin; + + insertNewValue( pDict, first ); + // will not come here if insertion fails (exception) + m_aObjectStack.push_back( pDict ); + } + void endDict( iteratorT first, iteratorT ) + { + PDFDict* pDict = NULL; + if( m_aObjectStack.empty() ) + parseError( "dictionary end without begin", first ); + else if( (pDict = dynamic_cast<PDFDict*>(m_aObjectStack.back())) == NULL ) + parseError( "spurious dictionary end", first ); + else + m_aObjectStack.pop_back(); + + PDFEntry* pOffender = pDict->buildMap(); + if( pOffender ) + { + StringEmitContext aCtx; + aCtx.write( "offending dictionary element: ", 30 ); + pOffender->emit( aCtx ); + m_aErrorString = aCtx.getString(); + parseError( m_aErrorString.getStr(), first ); + } + } + + void beginArray( iteratorT first, iteratorT ) + { + PDFArray* pArray = new PDFArray(); + pArray->m_nOffset = first - m_aGlobalBegin; + + insertNewValue( pArray, first ); + // will not come here if insertion fails (exception) + m_aObjectStack.push_back( pArray ); + } + + void endArray( iteratorT first, iteratorT ) + { + if( m_aObjectStack.empty() ) + parseError( "array end without begin", first ); + else if( dynamic_cast<PDFArray*>(m_aObjectStack.back()) == NULL ) + parseError( "spurious array end", first ); + else + m_aObjectStack.pop_back(); + } + + void emitStream( iteratorT first, iteratorT last ) + { + if( m_aObjectStack.empty() ) + parseError( "stream without object", first ); + PDFObject* pObj = dynamic_cast<PDFObject*>(m_aObjectStack.back()); + if( pObj && pObj->m_pObject ) + { + if( pObj->m_pStream ) + parseError( "multiple streams in object", first ); + + PDFDict* pDict = dynamic_cast<PDFDict*>(pObj->m_pObject); + if( pDict ) + { + PDFStream* pStream = new PDFStream( first - m_aGlobalBegin, last - m_aGlobalBegin, pDict ); + + pObj->m_pStream = pStream; + pObj->m_aSubElements.push_back( pStream ); + } + } + else + parseError( "stream without object", first ); + } + + void beginTrailer( iteratorT first, iteratorT ) + { + if( m_aObjectStack.empty() ) + m_aObjectStack.push_back( new PDFPart() ); + + PDFTrailer* pTrailer = new PDFTrailer(); + pTrailer->m_nOffset = first - m_aGlobalBegin; + + PDFContainer* pContainer = dynamic_cast<PDFContainer*>(m_aObjectStack.back()); + if( pContainer && + ( dynamic_cast<PDFFile*>(pContainer) || + dynamic_cast<PDFPart*>(pContainer) ) ) + { + pContainer->m_aSubElements.push_back( pTrailer ); + m_aObjectStack.push_back( pTrailer ); + } + else + parseError( "trailer in wrong place", first ); + } + + void endTrailer( iteratorT first, iteratorT ) + { + if( m_aObjectStack.empty() ) + parseError( "%%EOF without trailer", first ); + else if( dynamic_cast<PDFTrailer*>(m_aObjectStack.back()) == NULL ) + parseError( "spurious %%EOF", first ); + else + m_aObjectStack.pop_back(); + } +}; + +PDFEntry* PDFReader::read( const char* pBuffer, unsigned int nLen ) +{ + PDFGrammar<const char*> aGrammar( pBuffer ); + + try + { + #if OSL_DEBUG_LEVEL > 1 + boost::spirit::parse_info<const char*> aInfo = + #endif + boost::spirit::parse( pBuffer, + pBuffer+nLen, + aGrammar, + boost::spirit::space_p ); + #if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "parseinfo: stop = %p (buff=%p, offset = %d), hit = %s, full = %s, length = %d\n", + aInfo.stop, pBuffer, aInfo.stop - pBuffer, + aInfo.hit ? "true" : "false", + aInfo.full ? "true" : "false", + (int)aInfo.length ); + #endif + } + catch( parser_error<const char*, const char*>& rError ) + { + #if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "parse error: %s at buffer pos %u\nobject stack:\n", + rError.descriptor, rError.where - pBuffer ); + unsigned int nElem = aGrammar.m_aObjectStack.size(); + for( unsigned int i = 0; i < nElem; i++ ) + { + fprintf( stderr, " %s\n", typeid( *(aGrammar.m_aObjectStack[i]) ).name() ); + } + #endif + } + + PDFEntry* pRet = NULL; + unsigned int nEntries = aGrammar.m_aObjectStack.size(); + if( nEntries == 1 ) + { + pRet = aGrammar.m_aObjectStack.back(); + aGrammar.m_aObjectStack.pop_back(); + } + #if OSL_DEBUG_LEVEL > 1 + else if( nEntries > 1 ) + fprintf( stderr, "error got %u stack objects in parse\n", nEntries ); + #endif + + return pRet; +} + +PDFEntry* PDFReader::read( const char* pFileName ) +{ + #ifdef WIN32 + /* #i106583# + since converting to boost 1.39 file_iterator does not work anymore on all Windows systems + C++ stdlib istream_iterator does not allow "-" apparently + using spirit 2.0 doesn't work in our environment with the MSC + + So for the time being bite the bullet and read the whole file. + FIXME: give Spirit 2.x another try when we upgrade boost again. + */ + PDFEntry* pRet = NULL; + FILE* fp = fopen( pFileName, "rb" ); + if( fp ) + { + fseek( fp, 0, SEEK_END ); + unsigned int nLen = (unsigned int)ftell( fp ); + fseek( fp, 0, SEEK_SET ); + char* pBuf = (char*)rtl_allocateMemory( nLen ); + if( pBuf ) + { + fread( pBuf, 1, nLen, fp ); + pRet = read( pBuf, nLen ); + rtl_freeMemory( pBuf ); + } + fclose( fp ); + } + return pRet; + #else + file_iterator<> file_start( pFileName ); + if( ! file_start ) + return NULL; + file_iterator<> file_end = file_start.make_end(); + PDFGrammar< file_iterator<> > aGrammar( file_start ); + + try + { + #if OSL_DEBUG_LEVEL > 1 + boost::spirit::parse_info< file_iterator<> > aInfo = + #endif + boost::spirit::parse( file_start, + file_end, + aGrammar, + boost::spirit::space_p ); + #if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "parseinfo: stop at offset = %d, hit = %s, full = %s, length = %d\n", + aInfo.stop - file_start, + aInfo.hit ? "true" : "false", + aInfo.full ? "true" : "false", + (int)aInfo.length ); + #endif + } + catch( parser_error< const char*, file_iterator<> >& rError ) + { + #if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "parse error: %s at buffer pos %u\nobject stack:\n", + rError.descriptor, rError.where - file_start ); + unsigned int nElem = aGrammar.m_aObjectStack.size(); + for( unsigned int i = 0; i < nElem; i++ ) + { + fprintf( stderr, " %s\n", typeid( *(aGrammar.m_aObjectStack[i]) ).name() ); + } + #endif + } + + PDFEntry* pRet = NULL; + unsigned int nEntries = aGrammar.m_aObjectStack.size(); + if( nEntries == 1 ) + { + pRet = aGrammar.m_aObjectStack.back(); + aGrammar.m_aObjectStack.pop_back(); + } + #if OSL_DEBUG_LEVEL > 1 + else if( nEntries > 1 ) + { + fprintf( stderr, "error got %u stack objects in parse\n", nEntries ); + for( unsigned int i = 0; i < nEntries; i++ ) + { + fprintf( stderr, "%s\n", typeid(*aGrammar.m_aObjectStack[i]).name() ); + PDFObject* pObj = dynamic_cast<PDFObject*>(aGrammar.m_aObjectStack[i]); + if( pObj ) + fprintf( stderr, " -> object %d generation %d\n", pObj->m_nNumber, pObj->m_nGeneration ); + else + fprintf( stderr, "(type %s)\n", typeid(*aGrammar.m_aObjectStack[i]).name() ); + } + } + #endif + return pRet; + #endif // WIN32 +} + +#if defined __SUNPRO_CC +#pragma enable_warn +#elif defined _MSC_VER +#pragma warning(pop) +#endif + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |