e00d41f76d
with the variadic variants. Change-Id: Iad03db6b729a785ab8b29a69943fa45f5a36b21b Reviewed-on: https://gerrit.libreoffice.org/17849 Reviewed-by: Noel Grandin <noelgrandin@gmail.com> Tested-by: Noel Grandin <noelgrandin@gmail.com>
280 lines
8.8 KiB
C++
280 lines
8.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <osl/diagnose.h>
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#include <uno/mapping.hxx>
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#include <cppuhelper/factory.hxx>
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#include <cppuhelper/implbase.hxx>
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#include <cppuhelper/implementationentry.hxx>
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#include <cppuhelper/supportsservice.hxx>
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#include <rtl/textenc.h>
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#include <rtl/tencinfo.h>
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#include <com/sun/star/io/XTextOutputStream2.hpp>
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#include <com/sun/star/lang/XServiceInfo.hpp>
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#include "services.hxx"
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#define IMPLEMENTATION_NAME "com.sun.star.comp.io.TextOutputStream"
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#define SERVICE_NAME "com.sun.star.io.TextOutputStream"
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using namespace ::osl;
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using namespace ::cppu;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::io;
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using namespace ::com::sun::star::registry;
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namespace io_TextOutputStream
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{
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// Implementation XTextOutputStream
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class OTextOutputStream : public WeakImplHelper< XTextOutputStream2, XServiceInfo >
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{
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Reference< XOutputStream > mxStream;
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// Encoding
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OUString mEncoding;
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bool mbEncodingInitialized;
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rtl_UnicodeToTextConverter mConvUnicode2Text;
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rtl_UnicodeToTextContext mContextUnicode2Text;
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Sequence<sal_Int8> implConvert( const OUString& rSource );
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void checkOutputStream() throw(IOException);
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public:
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OTextOutputStream();
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virtual ~OTextOutputStream();
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// Methods XTextOutputStream
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virtual void SAL_CALL writeString( const OUString& aString )
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throw(IOException, RuntimeException, std::exception) SAL_OVERRIDE;
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virtual void SAL_CALL setEncoding( const OUString& Encoding )
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throw(RuntimeException, std::exception) SAL_OVERRIDE;
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// Methods XOutputStream
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virtual void SAL_CALL writeBytes( const Sequence< sal_Int8 >& aData )
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throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException, std::exception) SAL_OVERRIDE;
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virtual void SAL_CALL flush( )
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throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException, std::exception) SAL_OVERRIDE;
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virtual void SAL_CALL closeOutput( )
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throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException, std::exception) SAL_OVERRIDE;
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// Methods XActiveDataSource
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virtual void SAL_CALL setOutputStream( const Reference< XOutputStream >& aStream )
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throw(RuntimeException, std::exception) SAL_OVERRIDE;
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virtual Reference< XOutputStream > SAL_CALL getOutputStream( )
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throw(RuntimeException, std::exception) SAL_OVERRIDE;
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// Methods XServiceInfo
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virtual OUString SAL_CALL getImplementationName() throw(std::exception) SAL_OVERRIDE;
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virtual Sequence< OUString > SAL_CALL getSupportedServiceNames() throw(std::exception) SAL_OVERRIDE;
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virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) throw(std::exception) SAL_OVERRIDE;
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};
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OTextOutputStream::OTextOutputStream()
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: mbEncodingInitialized(false)
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, mConvUnicode2Text(NULL)
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, mContextUnicode2Text(NULL)
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{
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}
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OTextOutputStream::~OTextOutputStream()
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{
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if( mbEncodingInitialized )
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{
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rtl_destroyUnicodeToTextContext( mConvUnicode2Text, mContextUnicode2Text );
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rtl_destroyUnicodeToTextConverter( mConvUnicode2Text );
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}
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}
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Sequence<sal_Int8> OTextOutputStream::implConvert( const OUString& rSource )
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{
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const sal_Unicode *puSource = rSource.getStr();
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sal_Int32 nSourceSize = rSource.getLength();
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sal_Size nTargetCount = 0;
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sal_Size nSourceCount = 0;
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sal_uInt32 uiInfo;
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sal_Size nSrcCvtChars;
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// take nSourceSize * 3 as preference
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// this is an upper boundary for converting to utf8,
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// which most often used as the target.
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sal_Int32 nSeqSize = nSourceSize * 3;
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Sequence<sal_Int8> seqText( nSeqSize );
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sal_Char *pTarget = reinterpret_cast<char *>(seqText.getArray());
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while( true )
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{
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nTargetCount += rtl_convertUnicodeToText(
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mConvUnicode2Text,
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mContextUnicode2Text,
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&( puSource[nSourceCount] ),
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nSourceSize - nSourceCount ,
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&( pTarget[nTargetCount] ),
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nSeqSize - nTargetCount,
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RTL_UNICODETOTEXT_FLAGS_UNDEFINED_DEFAULT |
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RTL_UNICODETOTEXT_FLAGS_INVALID_DEFAULT ,
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&uiInfo,
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&nSrcCvtChars);
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nSourceCount += nSrcCvtChars;
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if( uiInfo & RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL )
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{
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nSeqSize *= 2;
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seqText.realloc( nSeqSize ); // double array size
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pTarget = reinterpret_cast<char*>(seqText.getArray());
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continue;
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}
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break;
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}
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// reduce the size of the buffer (fast, no copy necessary)
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seqText.realloc( nTargetCount );
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return seqText;
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}
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// XTextOutputStream
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void OTextOutputStream::writeString( const OUString& aString )
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throw(IOException, RuntimeException, std::exception)
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{
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checkOutputStream();
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if( !mbEncodingInitialized )
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{
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OUString aUtf8Str("utf8");
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setEncoding( aUtf8Str );
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}
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if( !mbEncodingInitialized )
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return;
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Sequence<sal_Int8> aByteSeq = implConvert( aString );
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mxStream->writeBytes( aByteSeq );
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}
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void OTextOutputStream::setEncoding( const OUString& Encoding )
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throw(RuntimeException, std::exception)
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{
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OString aOEncodingStr = OUStringToOString( Encoding, RTL_TEXTENCODING_ASCII_US );
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rtl_TextEncoding encoding = rtl_getTextEncodingFromMimeCharset( aOEncodingStr.getStr() );
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if( RTL_TEXTENCODING_DONTKNOW == encoding )
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return;
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mbEncodingInitialized = true;
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mConvUnicode2Text = rtl_createUnicodeToTextConverter( encoding );
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mContextUnicode2Text = rtl_createUnicodeToTextContext( mConvUnicode2Text );
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mEncoding = Encoding;
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}
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// XOutputStream
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void OTextOutputStream::writeBytes( const Sequence< sal_Int8 >& aData )
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throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException, std::exception)
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{
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checkOutputStream();
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mxStream->writeBytes( aData );
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}
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void OTextOutputStream::flush( )
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throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException, std::exception)
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{
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checkOutputStream();
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mxStream->flush();
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}
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void OTextOutputStream::closeOutput( )
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throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException, std::exception)
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{
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checkOutputStream();
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mxStream->closeOutput();
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}
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void OTextOutputStream::checkOutputStream()
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throw(IOException)
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{
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if (! mxStream.is() )
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throw IOException("output stream is not initialized, you have to use setOutputStream first");
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}
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// XActiveDataSource
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void OTextOutputStream::setOutputStream( const Reference< XOutputStream >& aStream )
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throw(RuntimeException, std::exception)
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{
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mxStream = aStream;
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}
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Reference< XOutputStream > OTextOutputStream::getOutputStream()
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throw(RuntimeException, std::exception)
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{
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return mxStream;
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}
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Reference< XInterface > SAL_CALL TextOutputStream_CreateInstance(
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SAL_UNUSED_PARAMETER const Reference< XComponentContext > &)
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{
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return Reference < XInterface >( static_cast<OWeakObject *>(new OTextOutputStream()) );
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}
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OUString TextOutputStream_getImplementationName()
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{
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return OUString( IMPLEMENTATION_NAME );
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}
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Sequence< OUString > TextOutputStream_getSupportedServiceNames()
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{
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Sequence< OUString > seqNames(1);
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seqNames.getArray()[0] = SERVICE_NAME;
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return seqNames;
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}
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OUString OTextOutputStream::getImplementationName() throw(std::exception)
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{
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return TextOutputStream_getImplementationName();
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}
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sal_Bool OTextOutputStream::supportsService(const OUString& ServiceName) throw(std::exception)
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{
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return cppu::supportsService(this, ServiceName);
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}
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Sequence< OUString > OTextOutputStream::getSupportedServiceNames() throw(std::exception)
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{
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return TextOutputStream_getSupportedServiceNames();
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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