/************************************************************** * * 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 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * *************************************************************/ // MARKER(update_precomp.py): autogen include statement, do not remove #include "precompiled_i18npool.hxx" #include #include #include #include #include // ---------------------------------------------------- // class ScriptTypeDetector // ----------------------------------------------------; using namespace com::sun::star::i18n; ScriptTypeDetector::ScriptTypeDetector() { } ScriptTypeDetector::~ScriptTypeDetector() { } static sal_Int16 scriptDirection[] = { ScriptDirection::LEFT_TO_RIGHT, // DirectionProperty_LEFT_TO_RIGHT = 0, ScriptDirection::RIGHT_TO_LEFT, // DirectionProperty_RIGHT_TO_LEFT = 1, ScriptDirection::LEFT_TO_RIGHT, // DirectionProperty_EUROPEAN_NUMBER = 2, ScriptDirection::LEFT_TO_RIGHT, // DirectionProperty_EUROPEAN_NUMBER_SEPARATOR = 3, ScriptDirection::LEFT_TO_RIGHT, // DirectionProperty_EUROPEAN_NUMBER_TERMINATOR = 4, ScriptDirection::RIGHT_TO_LEFT, // DirectionProperty_ARABIC_NUMBER = 5, ScriptDirection::NEUTRAL, // DirectionProperty_COMMON_NUMBER_SEPARATOR = 6, ScriptDirection::NEUTRAL, // DirectionProperty_BLOCK_SEPARATOR = 7, ScriptDirection::NEUTRAL, // DirectionProperty_SEGMENT_SEPARATOR = 8, ScriptDirection::NEUTRAL, // DirectionProperty_WHITE_SPACE_NEUTRAL = 9, ScriptDirection::NEUTRAL, // DirectionProperty_OTHER_NEUTRAL = 10, ScriptDirection::LEFT_TO_RIGHT, // DirectionProperty_LEFT_TO_RIGHT_EMBEDDING = 11, ScriptDirection::LEFT_TO_RIGHT, // DirectionProperty_LEFT_TO_RIGHT_OVERRIDE = 12, ScriptDirection::RIGHT_TO_LEFT, // DirectionProperty_RIGHT_TO_LEFT_ARABIC = 13, ScriptDirection::RIGHT_TO_LEFT, // DirectionProperty_RIGHT_TO_LEFT_EMBEDDING = 14, ScriptDirection::RIGHT_TO_LEFT, // DirectionProperty_RIGHT_TO_LEFT_OVERRIDE = 15, ScriptDirection::NEUTRAL, // DirectionProperty_POP_DIRECTIONAL_FORMAT = 16, ScriptDirection::NEUTRAL, // DirectionProperty_DIR_NON_SPACING_MARK = 17, ScriptDirection::NEUTRAL, // DirectionProperty_BOUNDARY_NEUTRAL = 18, }; sal_Int16 SAL_CALL ScriptTypeDetector::getScriptDirection( const ::rtl::OUString& Text, sal_Int32 nPos, sal_Int16 defaultScriptDirection ) throw (::com::sun::star::uno::RuntimeException) { sal_Int16 dir = scriptDirection[unicode::getUnicodeDirection(Text[nPos])]; return (dir == ScriptDirection::NEUTRAL) ? defaultScriptDirection : dir; } // return value '-1' means either the direction on nPos is not same as scriptDirection or nPos is out of range. sal_Int32 SAL_CALL ScriptTypeDetector::beginOfScriptDirection( const ::rtl::OUString& Text, sal_Int32 nPos, sal_Int16 direction ) throw (::com::sun::star::uno::RuntimeException) { sal_Int32 cPos = nPos; if (cPos < Text.getLength()) { for (; cPos >= 0; cPos--) { if (direction != getScriptDirection(Text, cPos, direction)) break; } } return cPos == nPos ? -1 : cPos + 1; } sal_Int32 SAL_CALL ScriptTypeDetector::endOfScriptDirection( const ::rtl::OUString& Text, sal_Int32 nPos, sal_Int16 direction ) throw (::com::sun::star::uno::RuntimeException) { sal_Int32 cPos = nPos; sal_Int32 len = Text.getLength(); if (cPos >=0) { for (; cPos < len; cPos++) { if (direction != getScriptDirection(Text, cPos, direction)) break; } } return cPos == nPos ? -1 : cPos; } sal_Int16 SAL_CALL ScriptTypeDetector::getCTLScriptType( const ::rtl::OUString& Text, sal_Int32 nPos ) throw (::com::sun::star::uno::RuntimeException) { static ScriptTypeList typeList[] = { { UnicodeScript_kHebrew, UnicodeScript_kHebrew, CTLScriptType::CTL_HEBREW }, // 10 { UnicodeScript_kArabic, UnicodeScript_kArabic, CTLScriptType::CTL_ARABIC }, // 11 { UnicodeScript_kDevanagari, UnicodeScript_kDevanagari, CTLScriptType::CTL_INDIC }, // 14 { UnicodeScript_kThai, UnicodeScript_kThai, CTLScriptType::CTL_THAI }, // 24 { UnicodeScript_kScriptCount, UnicodeScript_kScriptCount, CTLScriptType::CTL_UNKNOWN } // 88 }; return unicode::getUnicodeScriptType(Text[nPos], typeList, CTLScriptType::CTL_UNKNOWN); } // Begin of Script Type is inclusive. sal_Int32 SAL_CALL ScriptTypeDetector::beginOfCTLScriptType( const ::rtl::OUString& Text, sal_Int32 nPos ) throw (::com::sun::star::uno::RuntimeException) { if (nPos < 0) return 0; else if (nPos >= Text.getLength()) return Text.getLength(); else { sal_Int16 cType = getCTLScriptType(Text, nPos); for (nPos--; nPos >= 0; nPos--) { if (cType != getCTLScriptType(Text, nPos)) break; } return nPos + 1; } } // End of the Script Type is exclusive, the return value pointing to the begin of next script type sal_Int32 SAL_CALL ScriptTypeDetector::endOfCTLScriptType( const ::rtl::OUString& Text, sal_Int32 nPos ) throw (::com::sun::star::uno::RuntimeException) { if (nPos < 0) return 0; else if (nPos >= Text.getLength()) return Text.getLength(); else { sal_Int16 cType = getCTLScriptType(Text, nPos); sal_Int32 len = Text.getLength(); for (nPos++; nPos < len; nPos++) { if (cType != getCTLScriptType(Text, nPos)) break; } return nPos; } } const sal_Char sDetector[] = "draft.com.sun.star.i18n.ScriptTypeDetector"; rtl::OUString SAL_CALL ScriptTypeDetector::getImplementationName() throw( ::com::sun::star::uno::RuntimeException ) { return ::rtl::OUString::createFromAscii(sDetector); } sal_Bool SAL_CALL ScriptTypeDetector::supportsService(const rtl::OUString& ServiceName) throw( ::com::sun::star::uno::RuntimeException ) { return !ServiceName.compareToAscii(sDetector); } ::com::sun::star::uno::Sequence< rtl::OUString > SAL_CALL ScriptTypeDetector::getSupportedServiceNames() throw( ::com::sun::star::uno::RuntimeException ) { ::com::sun::star::uno::Sequence< ::rtl::OUString > aRet(1); aRet[0] = ::rtl::OUString::createFromAscii(sDetector); return aRet; }