diff options
Diffstat (limited to 'connectivity/source/commontools/dbcharset.cxx')
| -rw-r--r-- | connectivity/source/commontools/dbcharset.cxx | 246 |
1 files changed, 100 insertions, 146 deletions
diff --git a/connectivity/source/commontools/dbcharset.cxx b/connectivity/source/commontools/dbcharset.cxx index 3e26f09c15..ea53b5d5a7 100644 --- a/connectivity/source/commontools/dbcharset.cxx +++ b/connectivity/source/commontools/dbcharset.cxx @@ -2,9 +2,9 @@ * * $RCSfile: dbcharset.cxx,v $ * - * $Revision: 1.7 $ + * $Revision: 1.8 $ * - * last change: $Author: oj $ $Date: 2002-03-04 11:05:39 $ + * last change: $Author: hr $ $Date: 2003-03-19 16:38:14 $ * * The Contents of this file are made available subject to the terms of * either of the following licenses @@ -66,141 +66,129 @@ #include <osl/diagnose.h> #endif +#ifndef _RTL_TENCINFO_H +#include <rtl/tencinfo.h> +#endif + //......................................................................... namespace dbtools { //......................................................................... - //------------------------------------------------------------------------- - template <class T> - sal_Int32 getSequenceIndex( const ::std::vector< T >& _rUnsortedContainer, const T& _rLookupElement ) - { - for ( ::std::vector< T >::const_iterator aSearch = _rUnsortedContainer.begin(); - aSearch != _rUnsortedContainer.end(); - ++aSearch - ) - if (*aSearch == _rLookupElement) - return aSearch - _rUnsortedContainer.begin(); - - return _rUnsortedContainer.size(); - } - //========================================================================= //= OCharsetMap //========================================================================= //------------------------------------------------------------------------- OCharsetMap::OCharsetMap() - #ifdef _DEBUG - :m_nLivingIterators(0) - #endif { - m_aEncodings.resize(12); - m_aEncodings[ 0] = RTL_TEXTENCODING_MS_1252; // ANSI - m_aEncodings[ 1] = RTL_TEXTENCODING_APPLE_ROMAN; // MAC - m_aEncodings[ 2] = RTL_TEXTENCODING_IBM_437; // IBMPC_437 - m_aEncodings[ 3] = RTL_TEXTENCODING_IBM_850; // IBMPC_850 - m_aEncodings[ 4] = RTL_TEXTENCODING_IBM_860; // IBMPC_860 - m_aEncodings[ 5] = RTL_TEXTENCODING_IBM_861; // IBMPC_861 - m_aEncodings[ 6] = RTL_TEXTENCODING_IBM_863; // IBMPC_863 - m_aEncodings[ 7] = RTL_TEXTENCODING_IBM_865; // IBMPC_865 - m_aEncodings[ 8] = RTL_TEXTENCODING_IBM_866; // IBMPC_866 (cyrillic) - m_aEncodings[ 9] = RTL_TEXTENCODING_DONTKNOW; // SYSTEM - m_aEncodings[10] = RTL_TEXTENCODING_UTF8; // UTF-8 - m_aEncodings[11] = RTL_TEXTENCODING_BIG5_HKSCS; // Big5-HKSCS + } - m_aNames.resize(12); - m_aNames[ 0] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("ANSI")); - m_aNames[ 1] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("MAC")); - m_aNames[ 2] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IBMPC_437")); - m_aNames[ 3] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IBMPC_850")); - m_aNames[ 4] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IBMPC_860")); - m_aNames[ 5] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IBMPC_861")); - m_aNames[ 6] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IBMPC_863")); - m_aNames[ 7] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IBMPC_865")); - m_aNames[ 8] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IBMPC_866")); - m_aNames[ 9] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("SYSTEM")); - m_aNames[10] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("UTF-8")); - m_aNames[10] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Big5-HKSCS")); + //------------------------------------------------------------------------- + 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!" ); - OSL_ENSURE(m_aEncodings.size() == m_aNames.size(), - "OCharsetMap::OCharsetMap: inconsistentce(1)!"); + 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 ); + } + } - // the IANA representations of the character sets which we know - m_aIanaNames.resize(12); - m_aIanaNames[ 0] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("windows-1252")); - m_aIanaNames[ 1] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("macintosh")); - m_aIanaNames[ 2] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IBM437")); - m_aIanaNames[ 3] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IBM850")); - m_aIanaNames[ 4] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IBM860")); - m_aIanaNames[ 5] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IBM861")); - m_aIanaNames[ 6] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IBM863")); - m_aIanaNames[ 7] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IBM865")); - m_aIanaNames[ 8] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IBM866")); - m_aIanaNames[ 9] = ::rtl::OUString(); - m_aIanaNames[10] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("UTF-8")); - m_aIanaNames[11] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Big5-HKSCS")); + 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!" ); + } - OSL_ENSURE(m_aNames.size() == m_aIanaNames.size(), - "OCharsetMap::OCharsetMap: inconsistentce(2)!"); + //------------------------------------------------------------------------- + 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!" ); + return bIsMimeEncoding; } //------------------------------------------------------------------------- OCharsetMap::~OCharsetMap() { - OSL_ENSURE(0 == m_nLivingIterators, "OCharsetMap::~OCharsetMap : there are still living iterator objects!"); } //------------------------------------------------------------------------- OCharsetMap::CharsetIterator OCharsetMap::begin() const { - return CharsetIterator(this, 0); + ensureConstructed( ); + return CharsetIterator(this, m_aEncodings.begin() ); } //------------------------------------------------------------------------- OCharsetMap::CharsetIterator OCharsetMap::find(const rtl_TextEncoding _eEncoding) const { - sal_Int32 nSize = m_aEncodings.size(); - TextEncVector::const_iterator aFind = ::std::find(m_aEncodings.begin(),m_aEncodings.end(),(sal_Int32)_eEncoding); - if(aFind != m_aEncodings.end()) - nSize = aFind - m_aEncodings.begin(); - - return CharsetIterator(this, nSize); + ensureConstructed( ); + return CharsetIterator( this, m_aEncodings.find( _eEncoding ) ); } //------------------------------------------------------------------------- OCharsetMap::CharsetIterator OCharsetMap::find(const ::rtl::OUString& _rIanaName, const IANA&) const { - return CharsetIterator(this, getSequenceIndex(m_aIanaNames, _rIanaName)); - } + ensureConstructed( ); - //------------------------------------------------------------------------- - OCharsetMap::CharsetIterator OCharsetMap::find(const ::rtl::OUString& _rLogicalName, const Logical&) const - { - return CharsetIterator(this, getSequenceIndex(m_aNames, _rLogicalName)); + 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 { - return CharsetIterator(this, m_aNames.size()); + ensureConstructed( ); + + return CharsetIterator( this, m_aEncodings.end() ); } //========================================================================= //= CharsetIteratorDerefHelper //========================================================================= //------------------------------------------------------------------------- - CharsetIteratorDerefHelper::CharsetIteratorDerefHelper(const CharsetIteratorDerefHelper& _rSource) - :m_eEncoding(_rSource.m_eEncoding) - ,m_aIanaName(_rSource.m_aIanaName) - ,m_aName(_rSource.m_aName) + 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, const ::rtl::OUString& _rName) - :m_eEncoding(_eEncoding) - ,m_aIanaName(_rIanaName) - ,m_aName(_rName) + CharsetIteratorDerefHelper:: CharsetIteratorDerefHelper(const rtl_TextEncoding _eEncoding, const ::rtl::OUString& _rIanaName ) + :m_eEncoding( _eEncoding ) + ,m_aIanaName( _rIanaName ) { } @@ -214,102 +202,68 @@ namespace dbtools //= OCharsetMap::CharsetIterator //========================================================================= //------------------------------------------------------------------------- - OCharsetMap::CharsetIterator::CharsetIterator(const OCharsetMap* _pContainer, sal_Int32 _nInitialPos) - :m_pContainer(_pContainer) - ,m_nPosition(_nInitialPos) + 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!"); - #ifdef _DEBUG - ++const_cast<OCharsetMap*>(m_pContainer)->m_nLivingIterators; - #endif + OSL_ENSURE( m_pContainer, "OCharsetMap::CharsetIterator::CharsetIterator : invalid container!" ); } //------------------------------------------------------------------------- OCharsetMap::CharsetIterator::CharsetIterator(const CharsetIterator& _rSource) - :m_pContainer(_rSource.m_pContainer) - ,m_nPosition(_rSource.m_nPosition) + :m_pContainer( _rSource.m_pContainer ) + ,m_aPos( _rSource.m_aPos ) { - #ifdef _DEBUG - ++const_cast<OCharsetMap*>(m_pContainer)->m_nLivingIterators; - #endif } //------------------------------------------------------------------------- OCharsetMap::CharsetIterator::~CharsetIterator() { - #ifdef _DEBUG - --const_cast<OCharsetMap*>(m_pContainer)->m_nLivingIterators; - #endif } //------------------------------------------------------------------------- CharsetIteratorDerefHelper OCharsetMap::CharsetIterator::operator*() const { - OSL_ENSURE((sal_uInt32)m_nPosition < m_pContainer->m_aEncodings.size(), "OCharsetMap::CharsetIterator::operator*: invalid position!"); - OSL_ENSURE((sal_uInt32)m_nPosition < m_pContainer->m_aIanaNames.size(), "OCharsetMap::CharsetIterator::operator*: invalid position!"); - OSL_ENSURE((sal_uInt32)m_nPosition < m_pContainer->m_aNames.size(), "OCharsetMap::CharsetIterator::operator*: invalid position!"); - return CharsetIteratorDerefHelper( - m_pContainer->m_aEncodings[m_nPosition], - m_pContainer->m_aIanaNames[m_nPosition], - m_pContainer->m_aNames[m_nPosition]); + 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((sal_uInt32)m_nPosition < m_pContainer->m_aNames.size(), "OCharsetMap::CharsetIterator::operator++ : invalid position!"); - if ((sal_uInt32)m_nPosition < m_pContainer->m_aNames.size()) - ++m_nPosition; + 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_nPosition >= 0, "OCharsetMap::CharsetIterator::operator-- : invalid position!"); - if (m_nPosition >= 0) - --m_nPosition; + 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; } //------------------------------------------------------------------------- - sal_Int32 operator-(const OCharsetMap::CharsetIterator& lhs, const OCharsetMap::CharsetIterator& rhs) - { - return lhs.m_nPosition - rhs.m_nPosition; - } - - //------------------------------------------------------------------------- bool operator==(const OCharsetMap::CharsetIterator& lhs, const OCharsetMap::CharsetIterator& rhs) { - return (lhs.m_pContainer == rhs.m_pContainer) && (lhs.m_nPosition == rhs.m_nPosition); + return ( lhs.m_pContainer == rhs.m_pContainer ) && ( lhs.m_aPos == rhs.m_aPos ); } //......................................................................... } // namespace dbtools //......................................................................... -/************************************************************************* - * history: - * $Log: not supported by cvs2svn $ - * Revision 1.6 2001/10/15 13:30:12 fs - * #93204# new supported charset IBM866 (cyrillic) - * - * Revision 1.5 2001/05/18 08:51:34 oj - * #86528# size changes - * - * Revision 1.4 2001/04/27 08:04:07 fs - * #86370# add UTF-8 to the list of supported charsets - * - * Revision 1.3 2001/04/09 06:09:58 fs - * m_nLivingIterators for _DEBUG, not DBG_UTIL - * - * Revision 1.2 2001/02/13 09:47:39 fs - * #83632# merge IBMPC, IBMPC(850), DOS - * - * Revision 1.1 2000/11/29 22:21:42 fs - * initial checkin - helper class for translating charset representations - * - * - * Revision 1.0 29.11.00 18:42:55 fs - ************************************************************************/ - |