| /************************************************************** |
| * |
| * 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_extensions.hxx" |
| |
| #include "xmxtrct.hxx" |
| |
| #include <rtl/memory.h> |
| #include <tools/zcodec.hxx> |
| #include <unotools/streamhelper.hxx> |
| #include <sot/storage.hxx> |
| |
| // ---------------- |
| // - XMXLockBytes - |
| // ---------------- |
| |
| class XMXLockBytes : public SvLockBytes |
| { |
| REF( NMSP_IO::XInputStream ) mxIStm; |
| SEQ( sal_Int8 ) maSeq; |
| |
| XMXLockBytes(); |
| |
| public: |
| |
| XMXLockBytes( const REF( NMSP_IO::XInputStream )& rxIStm ); |
| virtual ~XMXLockBytes(); |
| |
| virtual ErrCode ReadAt( sal_Size nPos, void* pBuffer, sal_Size nCount, sal_Size* pRead ) const; |
| virtual ErrCode WriteAt( sal_Size nPos, const void* pBuffer, sal_Size nCount, sal_Size* pWritten ); |
| virtual ErrCode Flush() const; |
| virtual ErrCode SetSize( sal_Size nSize ); |
| virtual ErrCode Stat( SvLockBytesStat*, SvLockBytesStatFlag ) const; |
| }; |
| |
| // ------------------------------------------------------------------------ |
| |
| XMXLockBytes::XMXLockBytes( const REF( NMSP_IO::XInputStream )& rxIStm ) : |
| mxIStm( rxIStm ) |
| { |
| if( mxIStm.is() ) |
| { |
| const sal_uInt32 nBytesToRead = 65535; |
| sal_uInt32 nRead; |
| |
| do |
| { |
| SEQ( sal_Int8 ) aReadSeq; |
| |
| nRead = mxIStm->readSomeBytes( aReadSeq, nBytesToRead ); |
| |
| if( nRead ) |
| { |
| const sal_uInt32 nOldLength = maSeq.getLength(); |
| maSeq.realloc( nOldLength + nRead ); |
| rtl_copyMemory( maSeq.getArray() + nOldLength, aReadSeq.getConstArray(), aReadSeq.getLength() ); |
| } |
| } |
| while( nBytesToRead == nRead ); |
| } |
| } |
| |
| // ------------------------------------------------------------------------ |
| |
| XMXLockBytes::~XMXLockBytes() |
| { |
| } |
| |
| // ------------------------------------------------------------------------ |
| |
| ErrCode XMXLockBytes::ReadAt( sal_Size nPos, void* pBuffer, sal_Size nCount, sal_Size* pRead ) const |
| { |
| const sal_Size nSeqLen = maSeq.getLength(); |
| ErrCode nErr = ERRCODE_NONE; |
| |
| if( nPos < nSeqLen ) |
| { |
| if( ( nPos + nCount ) > nSeqLen ) |
| nCount = nSeqLen - nPos; |
| |
| rtl_copyMemory( pBuffer, maSeq.getConstArray() + nPos, nCount ); |
| *pRead = nCount; |
| } |
| else |
| *pRead = 0UL; |
| |
| return nErr; |
| } |
| |
| // ------------------------------------------------------------------------ |
| |
| ErrCode XMXLockBytes::WriteAt( sal_Size /*nPos*/, const void* /*pBuffer*/, sal_Size /*nCount*/, sal_Size* /*pWritten*/ ) |
| { |
| return ERRCODE_IO_CANTWRITE; |
| } |
| |
| // ------------------------------------------------------------------------ |
| |
| ErrCode XMXLockBytes::Flush() const |
| { |
| return ERRCODE_NONE; |
| } |
| |
| // ------------------------------------------------------------------------ |
| |
| ErrCode XMXLockBytes::SetSize( sal_Size /*nSize*/ ) |
| { |
| return ERRCODE_IO_CANTWRITE; |
| } |
| |
| // ------------------------------------------------------------------------ |
| |
| ErrCode XMXLockBytes::Stat( SvLockBytesStat* pStat, SvLockBytesStatFlag /*eFlag*/ ) const |
| { |
| pStat->nSize = maSeq.getLength(); |
| return ERRCODE_NONE; |
| } |
| |
| // ---------------- |
| // - XMLExtractor - |
| // ---------------- |
| |
| XMLExtractor::XMLExtractor( const REF( NMSP_LANG::XMultiServiceFactory )& rxMgr ) : |
| mxFact( rxMgr ) |
| { |
| } |
| |
| // ----------------------------------------------------------------------------- |
| |
| XMLExtractor::~XMLExtractor() |
| { |
| } |
| |
| // ----------------------------------------------------------------------------- |
| |
| REF( NMSP_IO::XInputStream ) SAL_CALL XMLExtractor::extract( const REF( NMSP_IO::XInputStream )& rxIStm ) throw( NMSP_UNO::RuntimeException ) |
| { |
| REF( NMSP_IO::XInputStream ) xRet; |
| |
| if( rxIStm.is() ) |
| { |
| SvStream aIStm( new XMXLockBytes( rxIStm ) ); |
| SvStorageRef aStorage( new SvStorage( aIStm ) ); |
| String aStmName; |
| const String aFormat1( String::CreateFromAscii( "XMLFormat" ) ); |
| const String aFormat2( String::CreateFromAscii( "XMLFormat2" ) ); |
| |
| if( aStorage->IsContained( aFormat2 ) ) |
| aStmName = aFormat2; |
| else if( aStorage->IsContained( aFormat1 ) ) |
| aStmName = aFormat1; |
| |
| if( !aStorage->GetError() && aStmName.Len() && aStorage->IsStream( aStmName ) ) |
| { |
| SvStorageStreamRef xStream( aStorage->OpenSotStream( aStmName ) ); |
| |
| if( xStream.Is() ) |
| { |
| SvMemoryStream* pMemStm = new SvMemoryStream( 65535, 65535 ); |
| ZCodec aCodec; |
| |
| aCodec.BeginCompression( ZCODEC_BEST_COMPRESSION ); |
| aCodec.Decompress( *xStream, *pMemStm ); |
| aCodec.EndCompression(); |
| |
| xRet = new ::utl::OInputStreamHelper( new SvLockBytes( pMemStm, sal_True ), 65535 ); |
| } |
| } |
| } |
| |
| return xRet; |
| } |