157 lines
5.3 KiB
C++
157 lines
5.3 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: xml2utf.hxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: obo $ $Date: 2008-01-10 12:50:02 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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// TODO: Woher?
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#define Max( a, b ) (((a)>(b)) ? (a) : (b) )
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#define Min( a, b ) (((a)<(b)) ? (a) : (b) )
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/*
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*
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* Text2UnicodeConverter
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*
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**/
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namespace sax_expatwrap {
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class Text2UnicodeConverter
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{
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public:
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Text2UnicodeConverter( const ::rtl::OString & sEncoding );
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Text2UnicodeConverter( rtl_TextEncoding encoding );
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~Text2UnicodeConverter();
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::com::sun::star::uno::Sequence < sal_Unicode > convert( const ::com::sun::star::uno::Sequence<sal_Int8> & );
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sal_Bool canContinue() { return m_bCanContinue; }
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private:
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void init( rtl_TextEncoding encoding );
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rtl_TextToUnicodeConverter m_convText2Unicode;
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rtl_TextToUnicodeContext m_contextText2Unicode;
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sal_Bool m_bCanContinue;
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sal_Bool m_bInitialized;
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rtl_TextEncoding m_rtlEncoding;
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::com::sun::star::uno::Sequence<sal_Int8> m_seqSource;
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};
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/*----------------------------------------
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*
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* Unicode2TextConverter
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*
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**-----------------------------------------*/
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class Unicode2TextConverter
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{
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public:
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Unicode2TextConverter( const ::rtl::OString & sEncoding );
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Unicode2TextConverter( rtl_TextEncoding encoding );
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~Unicode2TextConverter();
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inline ::com::sun::star::uno::Sequence<sal_Int8> convert( const ::rtl::OUString &s )
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{
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return convert( s.getStr() , s.getLength() );
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}
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::com::sun::star::uno::Sequence<sal_Int8> convert( const sal_Unicode * , sal_Int32 nLength );
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sal_Bool canContinue() { return m_bCanContinue; }
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private:
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void init( rtl_TextEncoding encoding );
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rtl_UnicodeToTextConverter m_convUnicode2Text;
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rtl_UnicodeToTextContext m_contextUnicode2Text;
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sal_Bool m_bCanContinue;
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sal_Bool m_bInitialized;
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rtl_TextEncoding m_rtlEncoding;
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::com::sun::star::uno::Sequence<sal_Unicode> m_seqSource;
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};
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/*----------------------------------------
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*
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* XMLFile2UTFConverter
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*
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**-----------------------------------------*/
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class XMLFile2UTFConverter
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{
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public:
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XMLFile2UTFConverter( ):
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m_bStarted( sal_False ),
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m_pText2Unicode( 0 ),
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m_pUnicode2Text( 0 )
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{}
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~XMLFile2UTFConverter();
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void setInputStream( ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > &r ) { m_in = r; }
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void setEncoding( const ::rtl::OString &s ) { m_sEncoding = s; }
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// @param nMaxToRead The number of chars, that should be read. Note that this is no exact number. There
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// may be returned less or more bytes than ordered.
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sal_Int32 readAndConvert( ::com::sun::star::uno::Sequence<sal_Int8> &seq , sal_Int32 nMaxToRead )
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throw ( ::com::sun::star::io::IOException,
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::com::sun::star::io::NotConnectedException ,
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::com::sun::star::io::BufferSizeExceededException ,
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::com::sun::star::uno::RuntimeException );
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private:
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// Called only on first Sequence of bytes. Tries to figure out file format and encoding information.
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// @return TRUE, when encoding information could be retrieved
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// @return FALSE, when no encoding information was found in file
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sal_Bool scanForEncoding( ::com::sun::star::uno::Sequence<sal_Int8> &seq );
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// Called only on first Sequence of bytes. Tries to figure out
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// if enough data is available to scan encoding
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// @return TRUE, when encoding is retrievable
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// @return FALSE, when more data is needed
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sal_Bool isEncodingRecognizable( const ::com::sun::star::uno::Sequence< sal_Int8 > & seq );
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// When encoding attribute is within the text (in the first line), it is removed.
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void removeEncoding( ::com::sun::star::uno::Sequence<sal_Int8> &seq );
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// Initializes decoding depending on m_sEncoding setting
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void initializeDecoding();
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private:
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::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > m_in;
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sal_Bool m_bStarted;
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::rtl::OString m_sEncoding;
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Text2UnicodeConverter *m_pText2Unicode;
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Unicode2TextConverter *m_pUnicode2Text;
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};
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}
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