| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the 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.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 rtl; |
| using namespace pdfparse; |
| |
| 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& result) 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 |
| { |
| boost::spirit::parse_info<const char*> aInfo = |
| 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 |
| { |
| boost::spirit::parse_info< file_iterator<> > aInfo = |
| 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 |
| |
| |
