167 lines
6.2 KiB
C++
167 lines
6.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org 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
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <inputsequencechecker.hxx>
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#include <com/sun/star/i18n/InputSequenceCheckMode.hpp>
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#include <com/sun/star/i18n/UnicodeType.hpp>
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#include <i18nutil/unicode.hxx>
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#include <rtl/ustrbuf.hxx>
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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 ::rtl;
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namespace com { namespace sun { namespace star { namespace i18n {
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InputSequenceCheckerImpl::InputSequenceCheckerImpl( const Reference < XMultiServiceFactory >& rxMSF ) : xMSF( rxMSF )
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{
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serviceName = "com.sun.star.i18n.InputSequenceCheckerImpl";
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cachedItem = NULL;
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}
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InputSequenceCheckerImpl::InputSequenceCheckerImpl()
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{
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}
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InputSequenceCheckerImpl::~InputSequenceCheckerImpl()
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{
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// Clear lookuptable
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for (size_t l = 0; l < lookupTable.size(); l++)
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delete lookupTable[l];
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lookupTable.clear();
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}
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sal_Bool SAL_CALL
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InputSequenceCheckerImpl::checkInputSequence(const OUString& Text, sal_Int32 nStartPos,
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sal_Unicode inputChar, sal_Int16 inputCheckMode) throw(RuntimeException)
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{
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if (inputCheckMode == InputSequenceCheckMode::PASSTHROUGH)
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return sal_True;
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sal_Char* language = getLanguageByScripType(Text[nStartPos], inputChar);
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if (language)
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return getInputSequenceChecker(language)->checkInputSequence(Text, nStartPos, inputChar, inputCheckMode);
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else
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return sal_True; // not a checkable languages.
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}
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sal_Int32 SAL_CALL
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InputSequenceCheckerImpl::correctInputSequence(OUString& Text, sal_Int32 nStartPos,
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sal_Unicode inputChar, sal_Int16 inputCheckMode) throw(RuntimeException)
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{
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if (inputCheckMode != InputSequenceCheckMode::PASSTHROUGH) {
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sal_Char* language = getLanguageByScripType(Text[nStartPos], inputChar);
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if (language)
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return getInputSequenceChecker(language)->correctInputSequence(Text, nStartPos, inputChar, inputCheckMode);
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}
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Text = Text.replaceAt(++nStartPos, 0, OUString(inputChar));
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return nStartPos;
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}
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static ScriptTypeList typeList[] = {
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//{ UnicodeScript_kHebrew, UnicodeScript_kHebrew }, // 10,
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//{ UnicodeScript_kArabic, UnicodeScript_kArabic }, // 11,
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{ UnicodeScript_kDevanagari,UnicodeScript_kDevanagari, UnicodeScript_kDevanagari }, // 14,
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{ UnicodeScript_kThai, UnicodeScript_kThai, UnicodeScript_kThai }, // 24,
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{ UnicodeScript_kScriptCount, UnicodeScript_kScriptCount, UnicodeScript_kScriptCount } // 88
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};
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sal_Char* SAL_CALL
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InputSequenceCheckerImpl::getLanguageByScripType(sal_Unicode cChar, sal_Unicode nChar)
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{
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sal_Int16 type = unicode::getUnicodeScriptType( cChar, typeList, UnicodeScript_kScriptCount );
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if (type != UnicodeScript_kScriptCount &&
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type == unicode::getUnicodeScriptType( nChar, typeList, UnicodeScript_kScriptCount )) {
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switch(type) {
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case UnicodeScript_kThai: return (sal_Char*)"th";
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//case UnicodeScript_kArabic: return (sal_Char*)"ar";
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//case UnicodeScript_kHebrew: return (sal_Char*)"he";
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case UnicodeScript_kDevanagari: return (sal_Char*)"hi";
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}
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}
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return NULL;
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}
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Reference< XExtendedInputSequenceChecker >& SAL_CALL
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InputSequenceCheckerImpl::getInputSequenceChecker(sal_Char* rLanguage) throw (RuntimeException)
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{
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if (cachedItem && cachedItem->aLanguage == rLanguage) {
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return cachedItem->xISC;
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}
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else if (xMSF.is()) {
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for (size_t l = 0; l < lookupTable.size(); l++) {
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cachedItem = lookupTable[l];
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if (cachedItem->aLanguage == rLanguage)
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return cachedItem->xISC;
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}
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Reference < uno::XInterface > xI = xMSF->createInstance(
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OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.i18n.InputSequenceChecker_")) +
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OUString::createFromAscii(rLanguage));
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if ( xI.is() ) {
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Reference< XExtendedInputSequenceChecker > xISC;
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xI->queryInterface( getCppuType((const Reference< XExtendedInputSequenceChecker>*)0) ) >>= xISC;
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if (xISC.is()) {
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lookupTable.push_back(cachedItem = new lookupTableItem(rLanguage, xISC));
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return cachedItem->xISC;
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}
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}
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}
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throw RuntimeException();
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}
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OUString SAL_CALL
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InputSequenceCheckerImpl::getImplementationName(void) throw( RuntimeException )
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{
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return OUString::createFromAscii(serviceName);
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}
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sal_Bool SAL_CALL
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InputSequenceCheckerImpl::supportsService(const OUString& rServiceName) throw( RuntimeException )
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{
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return !rServiceName.compareToAscii(serviceName);
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}
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Sequence< OUString > SAL_CALL
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InputSequenceCheckerImpl::getSupportedServiceNames(void) throw( RuntimeException )
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{
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Sequence< OUString > aRet(1);
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aRet[0] = OUString::createFromAscii(serviceName);
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return aRet;
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}
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} } } }
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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