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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <inputsequencechecker.hxx>
#include <com/sun/star/i18n/InputSequenceCheckMode.hpp>
#include <com/sun/star/i18n/UnicodeType.hpp>
#include <i18nutil/unicode.hxx>
#include <rtl/ustrbuf.hxx>
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::rtl;
namespace com { namespace sun { namespace star { namespace i18n {
InputSequenceCheckerImpl::InputSequenceCheckerImpl( const Reference < XMultiServiceFactory >& rxMSF ) : xMSF( rxMSF )
{
serviceName = "com.sun.star.i18n.InputSequenceCheckerImpl";
cachedItem = NULL;
}
InputSequenceCheckerImpl::InputSequenceCheckerImpl()
{
}
InputSequenceCheckerImpl::~InputSequenceCheckerImpl()
{
// Clear lookuptable
for (size_t l = 0; l < lookupTable.size(); l++)
delete lookupTable[l];
lookupTable.clear();
}
sal_Bool SAL_CALL
InputSequenceCheckerImpl::checkInputSequence(const OUString& Text, sal_Int32 nStartPos,
sal_Unicode inputChar, sal_Int16 inputCheckMode) throw(RuntimeException)
{
if (inputCheckMode == InputSequenceCheckMode::PASSTHROUGH)
return sal_True;
sal_Char* language = getLanguageByScripType(Text[nStartPos], inputChar);
if (language)
return getInputSequenceChecker(language)->checkInputSequence(Text, nStartPos, inputChar, inputCheckMode);
else
return sal_True; // not a checkable languages.
}
sal_Int32 SAL_CALL
InputSequenceCheckerImpl::correctInputSequence(OUString& Text, sal_Int32 nStartPos,
sal_Unicode inputChar, sal_Int16 inputCheckMode) throw(RuntimeException)
{
if (inputCheckMode != InputSequenceCheckMode::PASSTHROUGH) {
sal_Char* language = getLanguageByScripType(Text[nStartPos], inputChar);
if (language)
return getInputSequenceChecker(language)->correctInputSequence(Text, nStartPos, inputChar, inputCheckMode);
}
Text = Text.replaceAt(++nStartPos, 0, OUString(inputChar));
return nStartPos;
}
static ScriptTypeList typeList[] = {
//{ UnicodeScript_kHebrew, UnicodeScript_kHebrew }, // 10,
//{ UnicodeScript_kArabic, UnicodeScript_kArabic }, // 11,
{ UnicodeScript_kDevanagari,UnicodeScript_kDevanagari, UnicodeScript_kDevanagari }, // 14,
{ UnicodeScript_kThai, UnicodeScript_kThai, UnicodeScript_kThai }, // 24,
{ UnicodeScript_kScriptCount, UnicodeScript_kScriptCount, UnicodeScript_kScriptCount } // 88
};
sal_Char* SAL_CALL
InputSequenceCheckerImpl::getLanguageByScripType(sal_Unicode cChar, sal_Unicode nChar)
{
sal_Int16 type = unicode::getUnicodeScriptType( cChar, typeList, UnicodeScript_kScriptCount );
if (type != UnicodeScript_kScriptCount &&
type == unicode::getUnicodeScriptType( nChar, typeList, UnicodeScript_kScriptCount )) {
switch(type) {
case UnicodeScript_kThai: return (sal_Char*)"th";
//case UnicodeScript_kArabic: return (sal_Char*)"ar";
//case UnicodeScript_kHebrew: return (sal_Char*)"he";
case UnicodeScript_kDevanagari: return (sal_Char*)"hi";
}
}
return NULL;
}
Reference< XExtendedInputSequenceChecker >& SAL_CALL
InputSequenceCheckerImpl::getInputSequenceChecker(sal_Char* rLanguage) throw (RuntimeException)
{
if (cachedItem && cachedItem->aLanguage == rLanguage) {
return cachedItem->xISC;
}
else if (xMSF.is()) {
for (size_t l = 0; l < lookupTable.size(); l++) {
cachedItem = lookupTable[l];
if (cachedItem->aLanguage == rLanguage)
return cachedItem->xISC;
}
Reference < uno::XInterface > xI = xMSF->createInstance(
OUString("com.sun.star.i18n.InputSequenceChecker_") +
OUString::createFromAscii(rLanguage));
if ( xI.is() ) {
Reference< XExtendedInputSequenceChecker > xISC;
xI->queryInterface( getCppuType((const Reference< XExtendedInputSequenceChecker>*)0) ) >>= xISC;
if (xISC.is()) {
lookupTable.push_back(cachedItem = new lookupTableItem(rLanguage, xISC));
return cachedItem->xISC;
}
}
}
throw RuntimeException();
}
OUString SAL_CALL
InputSequenceCheckerImpl::getImplementationName(void) throw( RuntimeException )
{
return OUString::createFromAscii(serviceName);
}
sal_Bool SAL_CALL
InputSequenceCheckerImpl::supportsService(const OUString& rServiceName) throw( RuntimeException )
{
return !rServiceName.compareToAscii(serviceName);
}
Sequence< OUString > SAL_CALL
InputSequenceCheckerImpl::getSupportedServiceNames(void) throw( RuntimeException )
{
Sequence< OUString > aRet(1);
aRet[0] = OUString::createFromAscii(serviceName);
return aRet;
}
} } } }
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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