/************************************************************** * * 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 #include #include #include #include using namespace com::sun::star::lang; using namespace com::sun::star::i18n; using namespace com::sun::star::linguistic2; using namespace com::sun::star::uno; using namespace rtl; namespace com { namespace sun { namespace star { namespace i18n { #define SCRIPT_OTHERS 0 #define SCRIPT_HANJA 1 #define SCRIPT_HANGUL 2 TextConversion_ko::TextConversion_ko( const Reference < XMultiServiceFactory >& xMSF ) { Reference < XInterface > xI; xI = xMSF->createInstance( OUString::createFromAscii("com.sun.star.i18n.ConversionDictionary_ko")); if ( xI.is() ) xI->queryInterface( getCppuType((const Reference< XConversionDictionary>*)0) ) >>= xCD; xI = xMSF->createInstance( OUString::createFromAscii( "com.sun.star.linguistic2.ConversionDictionaryList" )); if ( xI.is() ) xI->queryInterface( getCppuType((const Reference< XConversionDictionaryList>*)0) ) >>= xCDL; maxLeftLength = maxRightLength = 1; // get maximum length of word in dictionary if (xCDL.is()) { Locale loc(OUString::createFromAscii("ko"), OUString::createFromAscii("KR"), OUString()); maxLeftLength = xCDL->queryMaxCharCount(loc, ConversionDictionaryType::HANGUL_HANJA, ConversionDirection_FROM_LEFT); maxRightLength = xCDL->queryMaxCharCount(loc, ConversionDictionaryType::HANGUL_HANJA, ConversionDirection_FROM_RIGHT); if (xCD.is()) { sal_Int32 tmp = xCD->getMaxCharCount(ConversionDirection_FROM_LEFT); if (tmp > maxLeftLength) maxLeftLength = tmp; tmp = xCD->getMaxCharCount(ConversionDirection_FROM_RIGHT); if (tmp > maxRightLength) maxRightLength = tmp; } } else if (xCD.is()) { maxLeftLength = xCD->getMaxCharCount(ConversionDirection_FROM_LEFT); maxRightLength = xCD->getMaxCharCount(ConversionDirection_FROM_RIGHT); } implementationName = "com.sun.star.i18n.TextConversion_ko"; } sal_Int16 SAL_CALL checkScriptType(sal_Unicode c) { typedef struct { UBlockCode from; UBlockCode to; sal_Int16 script; } UBlock2Script; static UBlock2Script scriptList[] = { {UBLOCK_HANGUL_JAMO, UBLOCK_HANGUL_JAMO, SCRIPT_HANGUL}, {UBLOCK_CJK_RADICALS_SUPPLEMENT, UBLOCK_BOPOMOFO, SCRIPT_HANJA}, {UBLOCK_HANGUL_COMPATIBILITY_JAMO, UBLOCK_HANGUL_COMPATIBILITY_JAMO, SCRIPT_HANGUL}, {UBLOCK_KANBUN, UBLOCK_YI_RADICALS, SCRIPT_HANJA}, {UBLOCK_HANGUL_SYLLABLES, UBLOCK_HANGUL_SYLLABLES, SCRIPT_HANGUL}, {UBLOCK_CJK_COMPATIBILITY_IDEOGRAPHS, UBLOCK_CJK_COMPATIBILITY_IDEOGRAPHS, SCRIPT_HANJA}, {UBLOCK_COMBINING_HALF_MARKS, UBLOCK_SMALL_FORM_VARIANTS, SCRIPT_HANJA}, {UBLOCK_HALFWIDTH_AND_FULLWIDTH_FORMS, UBLOCK_HALFWIDTH_AND_FULLWIDTH_FORMS, SCRIPT_HANJA}, }; #define scriptListCount sizeof (scriptList) / sizeof (UBlock2Script) UBlockCode block=ublock_getCode((sal_uInt32) c); sal_uInt16 i; for ( i = 0; i < scriptListCount; i++) { if (block <= scriptList[i].to) break; } return (i < scriptListCount && block >= scriptList[i].from) ? scriptList[i].script : SCRIPT_OTHERS; } Sequence< OUString > SAL_CALL TextConversion_ko::getCharConversions(const OUString& aText, sal_Int32 nStartPos, sal_Int32 nLength, sal_Bool toHanja) { sal_Unicode ch; Sequence< OUString > output; const sal_Unicode* (*getHangul2HanjaData)() = (const sal_Unicode* (*)())getFunctionBySymbol("getHangul2HanjaData"); const Hangul_Index* (*getHangul2HanjaIndex)() = (const Hangul_Index* (*)()) getFunctionBySymbol("getHangul2HanjaIndex"); sal_Int16 (*getHangul2HanjaIndexCount)() = (sal_Int16 (*)()) getFunctionBySymbol("getHangul2HanjaIndexCount"); const sal_uInt16* (*getHanja2HangulIndex)() = (const sal_uInt16* (*)()) getFunctionBySymbol("getHanja2HangulIndex"); const sal_Unicode* (*getHanja2HangulData)() = (const sal_Unicode* (*)()) getFunctionBySymbol("getHanja2HangulData"); if (toHanja && getHangul2HanjaIndex && getHangul2HanjaIndexCount && getHangul2HanjaData) { ch = aText[nStartPos]; const Hangul_Index *Hangul_ko = getHangul2HanjaIndex(); sal_Int16 top = getHangul2HanjaIndexCount(); --top; sal_Int16 bottom = 0; while (bottom <= top) { sal_Int16 current = (top + bottom) / 2; sal_Unicode current_ch = Hangul_ko[current].code; if (ch < current_ch) top = current - 1; else if (ch > current_ch) bottom = current + 1; else { const sal_Unicode *ptr = getHangul2HanjaData() + Hangul_ko[current].address; sal_Int16 count = Hangul_ko[current].count; output.realloc(count); for (sal_Int16 i = 0; i < count; i++) output[i] = OUString(ptr + i, 1); break; } } } else if (! toHanja && getHanja2HangulIndex && getHanja2HangulData) { rtl_uString * newStr = x_rtl_uString_new_WithLength( nLength ); // defined in x_rtl_ustring.h sal_Int32 count = 0; while (count < nLength) { ch = aText[nStartPos + count]; sal_Unicode address = getHanja2HangulIndex()[ch>>8]; if (address != 0xFFFF) address = getHanja2HangulData()[address + (ch & 0xFF)]; if (address != 0xFFFF) newStr->buffer[count++] = address; else break; } if (count > 0) { output.realloc(1); output[0] = OUString( newStr->buffer, count ); } x_rtl_uString_release( newStr ); } return output; } static Sequence< OUString >& operator += (Sequence< OUString > &rSeq1, Sequence< OUString > &rSeq2 ) { if (! rSeq1.hasElements() && rSeq2.hasElements()) rSeq1 = rSeq2; else if (rSeq2.hasElements()) { sal_Int32 i, j, k, l; k = l = rSeq1.getLength(); rSeq1.realloc(l + rSeq2.getLength()); for (i = 0; i < rSeq2.getLength(); i++) { for (j = 0; j < l; j++) if (rSeq1[j] == rSeq2[i]) break; if (j == l) rSeq1[k++] = rSeq2[i]; } if (rSeq1.getLength() > k) rSeq1.realloc(k); } return rSeq1; } TextConversionResult SAL_CALL TextConversion_ko::getConversions( const OUString& aText, sal_Int32 nStartPos, sal_Int32 nLength, const Locale& aLocale, sal_Int16 nConversionType, sal_Int32 nConversionOptions) throw( RuntimeException, IllegalArgumentException, NoSupportException ) { TextConversionResult result; Sequence candidates; result.Boundary.startPos = result.Boundary.endPos = 0; // do conversion only when there are right conversion type and dictionary services. if (nConversionType == TextConversionType::TO_HANGUL || nConversionType == TextConversionType::TO_HANJA) { sal_Int32 start, end, length = aText.getLength() - nStartPos; if (length < 0 || nStartPos < 0) length = 0; else if (length > nLength) length = nLength; sal_Int16 scriptType = SCRIPT_OTHERS; sal_Int32 len = 1; sal_Bool toHanja = (nConversionType == TextConversionType::TO_HANJA); // FROM_LEFT: Hangul -> Hanja // FROM_RIGHT: Hanja -> Hangul ConversionDirection eDirection = toHanja ? ConversionDirection_FROM_LEFT : ConversionDirection_FROM_RIGHT; sal_Int32 maxLength = toHanja ? maxLeftLength : maxRightLength; if (maxLength == 0) maxLength = 1; // search for a max length of convertible text for (start = 0, end = 0; start < length; start++) { if (end <= start) { scriptType = checkScriptType(aText[nStartPos + start]); if (nConversionType == TextConversionType::TO_HANJA) { if (scriptType != SCRIPT_HANGUL) // skip non-Hangul characters continue; } else { if (scriptType != SCRIPT_HANJA) // skip non-Hanja characters continue; } end = start + 1; } if (nConversionOptions & TextConversionOption::CHARACTER_BY_CHARACTER) { result.Candidates = getCharConversions(aText, nStartPos + start, len, toHanja); // char2char conversion } else { for (; end < length && end - start < maxLength; end++) if (checkScriptType(aText[nStartPos + end]) != scriptType) break; for (len = end - start; len > 0; len--) { if (len > 1) { try { if (xCDL.is()) result.Candidates = xCDL->queryConversions(aText, start + nStartPos, len, aLocale, ConversionDictionaryType::HANGUL_HANJA, eDirection, nConversionOptions); // user dictionary } catch ( NoSupportException & ) { // clear reference (when there is no user dictionary) in order // to not always have to catch this exception again // in further calls. (save time) xCDL = 0; } catch (...) { // catch all other exceptions to allow // querying the system dictionary in the next line } if (xCD.is() && toHanja) { // System dictionary would not do Hanja_to_Hangul conversion. candidates = xCD->getConversions(aText, start + nStartPos, len, eDirection, nConversionOptions); result.Candidates += candidates; } } else if (! toHanja) { // do whole word character 2 character conversion for Hanja to Hangul conversion result.Candidates = getCharConversions(aText, nStartPos + start, length - start, toHanja); if (result.Candidates.hasElements()) len = result.Candidates[0].getLength(); } if (result.Candidates.hasElements()) break; } } // found match if (result.Candidates.hasElements()) { result.Boundary.startPos = start + nStartPos;; result.Boundary.endPos = start + len + nStartPos; return result; } } } else throw NoSupportException(); // Conversion type is not supported in this service. return result; } OUString SAL_CALL TextConversion_ko::getConversion( const OUString& aText, sal_Int32 nStartPos, sal_Int32 nLength, const Locale& aLocale, sal_Int16 nConversionType, sal_Int32 nConversionOptions) throw( RuntimeException, IllegalArgumentException, NoSupportException ) { sal_Int32 length = aText.getLength() - nStartPos; if (length <= 0 || nStartPos < 0) return OUString(); else if (length > nLength) length = nLength; OUStringBuffer aBuf(length + 1); TextConversionResult result; const sal_Unicode *str = aText.getStr(); for (sal_Int32 start = nStartPos; length + nStartPos > start; start = result.Boundary.endPos) { result = getConversions(aText, start, length + nStartPos - start, aLocale, nConversionType, nConversionOptions); if (result.Boundary.endPos > 0) { if (result.Boundary.startPos > start) aBuf.append(str + start, result.Boundary.startPos - start); // append skip portion aBuf.append(result.Candidates[0]); // append converted portion } else { if (length + nStartPos > start) aBuf.append(str + start, length + nStartPos - start); // append last portion break; } } return aBuf.makeStringAndClear(); } OUString SAL_CALL TextConversion_ko::getConversionWithOffset( const OUString& aText, sal_Int32 nStartPos, sal_Int32 nLength, const Locale& rLocale, sal_Int16 nConversionType, sal_Int32 nConversionOptions, Sequence& offset) throw( RuntimeException, IllegalArgumentException, NoSupportException ) { offset.realloc(0); return getConversion(aText, nStartPos, nLength, rLocale, nConversionType, nConversionOptions); } sal_Bool SAL_CALL TextConversion_ko::interactiveConversion( const Locale& /*rLocale*/, sal_Int16 /*nTextConversionType*/, sal_Int32 /*nTextConversionOptions*/ ) throw( RuntimeException, IllegalArgumentException, NoSupportException ) { return sal_True; } } } } }