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Diffstat (limited to 'connectivity/source/commontools/dbcharset.cxx')
| -rw-r--r-- | connectivity/source/commontools/dbcharset.cxx | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/connectivity/source/commontools/dbcharset.cxx b/connectivity/source/commontools/dbcharset.cxx new file mode 100644 index 000000000000..7cd722781cda --- /dev/null +++ b/connectivity/source/commontools/dbcharset.cxx @@ -0,0 +1,232 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_connectivity.hxx" +#include <connectivity/dbcharset.hxx> +#include "diagnose_ex.h" +#include <osl/diagnose.h> +#include <rtl/tencinfo.h> + +//......................................................................... +namespace dbtools +{ +//......................................................................... + + //========================================================================= + //= OCharsetMap + //========================================================================= + //------------------------------------------------------------------------- + OCharsetMap::OCharsetMap() + { + } + + //------------------------------------------------------------------------- + void OCharsetMap::lateConstruct() + { + const rtl_TextEncoding eFirstEncoding = RTL_TEXTENCODING_DONTKNOW; + const rtl_TextEncoding eLastEncoding = 100; // TODO: a define in rtl/textenc.h would be fine here ... + OSL_ENSURE( 0 == eFirstEncoding, "OCharsetMap::OCharsetMap: somebody changed the numbers!" ); + + rtl_TextEncodingInfo aInfo; aInfo.StructSize = sizeof( rtl_TextEncodingInfo ); + for ( rtl_TextEncoding eEncoding = eFirstEncoding; eEncoding < eLastEncoding; ++eEncoding ) + { + if ( ( RTL_TEXTENCODING_DONTKNOW == eEncoding ) // this is always allowed - it has the special meaning "system encoding" + || ( rtl_getTextEncodingInfo( eEncoding, &aInfo ) + && approveEncoding( eEncoding, aInfo ) + ) + ) + { + m_aEncodings.insert( eEncoding ); + } + } + + OSL_ENSURE( find( RTL_TEXTENCODING_MS_1252 ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding ANSI!" ); + OSL_ENSURE( find( RTL_TEXTENCODING_APPLE_ROMAN ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding macintosh!" ); + OSL_ENSURE( find( RTL_TEXTENCODING_IBM_437 ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding IBM437!" ); + OSL_ENSURE( find( RTL_TEXTENCODING_IBM_850) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding IBM850!" ); + OSL_ENSURE( find( RTL_TEXTENCODING_IBM_860 ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding IBM860!" ); + OSL_ENSURE( find( RTL_TEXTENCODING_IBM_861 ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding IBM861!" ); + OSL_ENSURE( find( RTL_TEXTENCODING_IBM_863 ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding IBM863!" ); + OSL_ENSURE( find( RTL_TEXTENCODING_IBM_865 ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding IBM865!" ); + OSL_ENSURE( find( RTL_TEXTENCODING_IBM_866 ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding IBM866!" ); + OSL_ENSURE( find( RTL_TEXTENCODING_DONTKNOW ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding SYSTEM!" ); + OSL_ENSURE( find( RTL_TEXTENCODING_UTF8 ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding UTF-8!" ); + OSL_ENSURE( find( RTL_TEXTENCODING_BIG5_HKSCS ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding Big5-HKSCS!" ); + } + + //------------------------------------------------------------------------- + sal_Bool OCharsetMap::approveEncoding( const rtl_TextEncoding _eEncoding, const rtl_TextEncodingInfo& _rInfo ) const + { + sal_Bool bIsMimeEncoding = 0 != ( _rInfo.Flags & RTL_TEXTENCODING_INFO_MIME ); + OSL_ENSURE( !bIsMimeEncoding || rtl_getMimeCharsetFromTextEncoding( _eEncoding ), + "OCharsetMap::OCharsetMap: inconsistence in rtl!" ); + OSL_UNUSED( _eEncoding ); + return bIsMimeEncoding; + } + + //------------------------------------------------------------------------- + OCharsetMap::~OCharsetMap() + { + } + + //------------------------------------------------------------------------- + OCharsetMap::CharsetIterator OCharsetMap::begin() const + { + ensureConstructed( ); + return CharsetIterator(this, m_aEncodings.begin() ); + } + + //------------------------------------------------------------------------- + OCharsetMap::CharsetIterator OCharsetMap::find(const rtl_TextEncoding _eEncoding) const + { + ensureConstructed( ); + return CharsetIterator( this, m_aEncodings.find( _eEncoding ) ); + } + + //------------------------------------------------------------------------- + OCharsetMap::CharsetIterator OCharsetMap::find(const ::rtl::OUString& _rIanaName, const IANA&) const + { + ensureConstructed( ); + + rtl_TextEncoding eEncoding = RTL_TEXTENCODING_DONTKNOW; + if ( _rIanaName.getLength() ) + { + // byte string conversion + ::rtl::OString sMimeByteString( _rIanaName.getStr(), _rIanaName.getLength(), RTL_TEXTENCODING_ASCII_US ); + // look up + eEncoding = rtl_getTextEncodingFromMimeCharset( sMimeByteString.getStr() ); + + if ( RTL_TEXTENCODING_DONTKNOW == eEncoding ) + { // if we're here, the name is not empty, but unknown -> this is an invalid name + return end(); + } + } + + return find( eEncoding ); + } + + //------------------------------------------------------------------------- + OCharsetMap::CharsetIterator OCharsetMap::end() const + { + ensureConstructed( ); + + return CharsetIterator( this, m_aEncodings.end() ); + } + + //========================================================================= + //= CharsetIteratorDerefHelper + //========================================================================= + //------------------------------------------------------------------------- + CharsetIteratorDerefHelper::CharsetIteratorDerefHelper( const CharsetIteratorDerefHelper& _rSource ) + :m_eEncoding( _rSource.m_eEncoding ) + ,m_aIanaName( _rSource.m_aIanaName ) + { + } + + //------------------------------------------------------------------------- + CharsetIteratorDerefHelper:: CharsetIteratorDerefHelper(const rtl_TextEncoding _eEncoding, const ::rtl::OUString& _rIanaName ) + :m_eEncoding( _eEncoding ) + ,m_aIanaName( _rIanaName ) + { + } + + //------------------------------------------------------------------------- + CharsetIteratorDerefHelper::CharsetIteratorDerefHelper() + :m_eEncoding(RTL_TEXTENCODING_DONTKNOW) + { + } + + //========================================================================= + //= OCharsetMap::CharsetIterator + //========================================================================= + //------------------------------------------------------------------------- + OCharsetMap::CharsetIterator::CharsetIterator(const OCharsetMap* _pContainer, OCharsetMap::TextEncBag::const_iterator _aPos ) + :m_pContainer( _pContainer ) + ,m_aPos( _aPos ) + { + OSL_ENSURE( m_pContainer, "OCharsetMap::CharsetIterator::CharsetIterator : invalid container!" ); + } + + //------------------------------------------------------------------------- + OCharsetMap::CharsetIterator::CharsetIterator(const CharsetIterator& _rSource) + :m_pContainer( _rSource.m_pContainer ) + ,m_aPos( _rSource.m_aPos ) + { + } + + //------------------------------------------------------------------------- + OCharsetMap::CharsetIterator::~CharsetIterator() + { + } + + //------------------------------------------------------------------------- + CharsetIteratorDerefHelper OCharsetMap::CharsetIterator::operator*() const + { + OSL_ENSURE( m_aPos != m_pContainer->m_aEncodings.end(), "OCharsetMap::CharsetIterator::operator*: invalid position!"); + + rtl_TextEncoding eEncoding = *m_aPos; + ::rtl::OUString sIanaName; + + if ( RTL_TEXTENCODING_DONTKNOW != eEncoding ) + { // it's not the virtual "system charset" + const char* pIanaName = rtl_getMimeCharsetFromTextEncoding( eEncoding ); + OSL_ENSURE( pIanaName, "OCharsetMap::CharsetIterator: invalid mime name!" ); + if ( pIanaName ) + sIanaName = ::rtl::OUString::createFromAscii( pIanaName ); + } + return CharsetIteratorDerefHelper( eEncoding, sIanaName ); + } + + //------------------------------------------------------------------------- + const OCharsetMap::CharsetIterator& OCharsetMap::CharsetIterator::operator++() + { + OSL_ENSURE( m_aPos != m_pContainer->m_aEncodings.end(), "OCharsetMap::CharsetIterator::operator++ : invalid position!" ); + if ( m_aPos != m_pContainer->m_aEncodings.end()) + ++m_aPos; + return *this; + } + + //------------------------------------------------------------------------- + const OCharsetMap::CharsetIterator& OCharsetMap::CharsetIterator::operator--() + { + OSL_ENSURE( m_aPos != m_pContainer->m_aEncodings.begin(), "OCharsetMap::CharsetIterator::operator-- : invalid position!" ); + if ( m_aPos != m_pContainer->m_aEncodings.begin() ) + --m_aPos; + return *this; + } + + //------------------------------------------------------------------------- + bool operator==(const OCharsetMap::CharsetIterator& lhs, const OCharsetMap::CharsetIterator& rhs) + { + return ( lhs.m_pContainer == rhs.m_pContainer ) && ( lhs.m_aPos == rhs.m_aPos ); + } + +//......................................................................... +} // namespace dbtools +//......................................................................... + |