From 600f5f685f5c261d3a59d01fd335dd9d6cb5b9bc Mon Sep 17 00:00:00 2001 From: Oliver Bolte Date: Thu, 10 Jan 2008 11:50:02 +0000 Subject: INTEGRATION: CWS xmlfilter02 (1.1.2); FILE ADDED 2006/05/08 14:23:39 cl 1.1.2.1: new token based sax implementation --- sax/inc/xml2utf.hxx | 157 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 157 insertions(+) create mode 100644 sax/inc/xml2utf.hxx (limited to 'sax/inc') diff --git a/sax/inc/xml2utf.hxx b/sax/inc/xml2utf.hxx new file mode 100644 index 000000000000..cb4a68e89b08 --- /dev/null +++ b/sax/inc/xml2utf.hxx @@ -0,0 +1,157 @@ +/************************************************************************* + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: xml2utf.hxx,v $ + * + * $Revision: 1.2 $ + * + * last change: $Author: obo $ $Date: 2008-01-10 12:50:02 $ + * + * The Contents of this file are made available subject to + * the terms of GNU Lesser General Public License Version 2.1. + * + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2005 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library 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 for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + ************************************************************************/ + +// TODO: Woher? +#define Max( a, b ) (((a)>(b)) ? (a) : (b) ) +#define Min( a, b ) (((a)<(b)) ? (a) : (b) ) + +/* +* +* Text2UnicodeConverter +* +**/ +namespace sax_expatwrap { + +class Text2UnicodeConverter +{ + +public: + Text2UnicodeConverter( const ::rtl::OString & sEncoding ); + Text2UnicodeConverter( rtl_TextEncoding encoding ); + ~Text2UnicodeConverter(); + + ::com::sun::star::uno::Sequence < sal_Unicode > convert( const ::com::sun::star::uno::Sequence & ); + sal_Bool canContinue() { return m_bCanContinue; } + +private: + void init( rtl_TextEncoding encoding ); + + rtl_TextToUnicodeConverter m_convText2Unicode; + rtl_TextToUnicodeContext m_contextText2Unicode; + sal_Bool m_bCanContinue; + sal_Bool m_bInitialized; + rtl_TextEncoding m_rtlEncoding; + ::com::sun::star::uno::Sequence m_seqSource; +}; + +/*---------------------------------------- +* +* Unicode2TextConverter +* +**-----------------------------------------*/ +class Unicode2TextConverter +{ +public: + Unicode2TextConverter( const ::rtl::OString & sEncoding ); + Unicode2TextConverter( rtl_TextEncoding encoding ); + ~Unicode2TextConverter(); + + inline ::com::sun::star::uno::Sequence convert( const ::rtl::OUString &s ) + { + return convert( s.getStr() , s.getLength() ); + } + ::com::sun::star::uno::Sequence convert( const sal_Unicode * , sal_Int32 nLength ); + sal_Bool canContinue() { return m_bCanContinue; } + +private: + void init( rtl_TextEncoding encoding ); + + rtl_UnicodeToTextConverter m_convUnicode2Text; + rtl_UnicodeToTextContext m_contextUnicode2Text; + sal_Bool m_bCanContinue; + sal_Bool m_bInitialized; + rtl_TextEncoding m_rtlEncoding; + ::com::sun::star::uno::Sequence m_seqSource; +}; + + + +/*---------------------------------------- +* +* XMLFile2UTFConverter +* +**-----------------------------------------*/ +class XMLFile2UTFConverter +{ +public: + XMLFile2UTFConverter( ): + m_bStarted( sal_False ), + m_pText2Unicode( 0 ), + m_pUnicode2Text( 0 ) + {} + + ~XMLFile2UTFConverter(); + + void setInputStream( ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > &r ) { m_in = r; } + void setEncoding( const ::rtl::OString &s ) { m_sEncoding = s; } + + + + // @param nMaxToRead The number of chars, that should be read. Note that this is no exact number. There + // may be returned less or more bytes than ordered. + sal_Int32 readAndConvert( ::com::sun::star::uno::Sequence &seq , sal_Int32 nMaxToRead ) + throw ( ::com::sun::star::io::IOException, + ::com::sun::star::io::NotConnectedException , + ::com::sun::star::io::BufferSizeExceededException , + ::com::sun::star::uno::RuntimeException ); + +private: + + // Called only on first Sequence of bytes. Tries to figure out file format and encoding information. + // @return TRUE, when encoding information could be retrieved + // @return FALSE, when no encoding information was found in file + sal_Bool scanForEncoding( ::com::sun::star::uno::Sequence &seq ); + + // Called only on first Sequence of bytes. Tries to figure out + // if enough data is available to scan encoding + // @return TRUE, when encoding is retrievable + // @return FALSE, when more data is needed + sal_Bool isEncodingRecognizable( const ::com::sun::star::uno::Sequence< sal_Int8 > & seq ); + + // When encoding attribute is within the text (in the first line), it is removed. + void removeEncoding( ::com::sun::star::uno::Sequence &seq ); + + // Initializes decoding depending on m_sEncoding setting + void initializeDecoding(); +private: + ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > m_in; + + sal_Bool m_bStarted; + ::rtl::OString m_sEncoding; + + Text2UnicodeConverter *m_pText2Unicode; + Unicode2TextConverter *m_pUnicode2Text; +}; +} -- cgit