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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /i18npool/source/inputchecker/inputsequencechecker.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--i18npool/source/inputchecker/inputsequencechecker.cxx161
1 files changed, 161 insertions, 0 deletions
diff --git a/i18npool/source/inputchecker/inputsequencechecker.cxx b/i18npool/source/inputchecker/inputsequencechecker.cxx
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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/uno/XComponentContext.hpp>
+#include <cppuhelper/supportsservice.hxx>
+#include <i18nutil/unicode.hxx>
+
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::i18n;
+using namespace ::com::sun::star::lang;
+
+namespace i18npool {
+
+InputSequenceCheckerImpl::InputSequenceCheckerImpl( const Reference < XComponentContext >& rxContext ) : m_xContext( rxContext )
+{
+ serviceName = "com.sun.star.i18n.InputSequenceChecker";
+}
+
+InputSequenceCheckerImpl::InputSequenceCheckerImpl(const char *pServiceName)
+ : serviceName(pServiceName)
+{
+}
+
+InputSequenceCheckerImpl::~InputSequenceCheckerImpl()
+{
+}
+
+sal_Bool SAL_CALL
+InputSequenceCheckerImpl::checkInputSequence(const OUString& Text, sal_Int32 nStartPos,
+ sal_Unicode inputChar, sal_Int16 inputCheckMode)
+{
+ if (inputCheckMode == InputSequenceCheckMode::PASSTHROUGH)
+ return true;
+
+ char* language = getLanguageByScripType(Text[nStartPos], inputChar);
+
+ if (language)
+ return getInputSequenceChecker(language)->checkInputSequence(Text, nStartPos, inputChar, inputCheckMode);
+ else
+ return true; // not a checkable languages.
+}
+
+sal_Int32 SAL_CALL
+InputSequenceCheckerImpl::correctInputSequence(OUString& Text, sal_Int32 nStartPos,
+ sal_Unicode inputChar, sal_Int16 inputCheckMode)
+{
+ if (inputCheckMode != InputSequenceCheckMode::PASSTHROUGH) {
+ char* language = getLanguageByScripType(Text[nStartPos], inputChar);
+
+ if (language)
+ return getInputSequenceChecker(language)->correctInputSequence(Text, nStartPos, inputChar, inputCheckMode);
+ }
+ Text = Text.replaceAt(++nStartPos, 0, rtl::OUStringChar(inputChar));
+ return nStartPos;
+}
+
+ScriptTypeList const typeList[] = {
+ //{ UnicodeScript_kHebrew, UnicodeScript_kHebrew }, // 10,
+ //{ UnicodeScript_kArabic, UnicodeScript_kArabic }, // 11,
+ { UnicodeScript_kDevanagari, UnicodeScript_kDevanagari, sal_Int16(UnicodeScript_kDevanagari) }, // 14,
+ { UnicodeScript_kThai, UnicodeScript_kThai, sal_Int16(UnicodeScript_kThai) }, // 24,
+
+ { UnicodeScript_kScriptCount, UnicodeScript_kScriptCount, sal_Int16(UnicodeScript_kScriptCount) } // 88
+};
+
+char*
+InputSequenceCheckerImpl::getLanguageByScripType(sal_Unicode cChar, sal_Unicode nChar)
+{
+ css::i18n::UnicodeScript type = static_cast<css::i18n::UnicodeScript>(unicode::getUnicodeScriptType( cChar, typeList, sal_Int16(UnicodeScript_kScriptCount) ));
+
+ if (type != UnicodeScript_kScriptCount &&
+ type == static_cast<css::i18n::UnicodeScript>(unicode::getUnicodeScriptType( nChar, typeList, sal_Int16(UnicodeScript_kScriptCount) ))) {
+ switch(type) {
+ case UnicodeScript_kThai: return const_cast<char*>("th");
+ //case UnicodeScript_kArabic: return (char*)"ar";
+ //case UnicodeScript_kHebrew: return (char*)"he";
+ case UnicodeScript_kDevanagari: return const_cast<char*>("hi");
+ default: break;
+ }
+ }
+ return nullptr;
+}
+
+Reference< XExtendedInputSequenceChecker >&
+InputSequenceCheckerImpl::getInputSequenceChecker(char const * rLanguage)
+{
+ if (cachedItem && cachedItem->aLanguage == rLanguage) {
+ return cachedItem->xISC;
+ }
+ else {
+ for (const auto& l : lookupTable) {
+ cachedItem = l;
+ if (cachedItem->aLanguage == rLanguage)
+ return cachedItem->xISC;
+ }
+
+ Reference < XInterface > xI = m_xContext->getServiceManager()->createInstanceWithContext(
+ "com.sun.star.i18n.InputSequenceChecker_" +
+ OUString::createFromAscii(rLanguage),
+ m_xContext);
+
+ if ( xI.is() ) {
+ Reference< XExtendedInputSequenceChecker > xISC( xI, UNO_QUERY );
+ if (xISC.is()) {
+ lookupTable.emplace_back(rLanguage, xISC);
+ cachedItem = lookupTable.back();
+ return cachedItem->xISC;
+ }
+ }
+ }
+ throw RuntimeException();
+}
+
+OUString SAL_CALL
+InputSequenceCheckerImpl::getImplementationName()
+{
+ return OUString::createFromAscii(serviceName);
+}
+
+sal_Bool SAL_CALL
+InputSequenceCheckerImpl::supportsService(const OUString& rServiceName)
+{
+ return cppu::supportsService(this, rServiceName);
+}
+
+Sequence< OUString > SAL_CALL
+InputSequenceCheckerImpl::getSupportedServiceNames()
+{
+ Sequence< OUString > aRet { OUString::createFromAscii(serviceName) };
+ return aRet;
+}
+
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
+com_sun_star_i18n_InputSequenceChecker_get_implementation(
+ css::uno::XComponentContext *context,
+ css::uno::Sequence<css::uno::Any> const &)
+{
+ return cppu::acquire(new i18npool::InputSequenceCheckerImpl(context));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */