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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 <breakiteratorImpl.hxx>
#include <unicode/uchar.h>
#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 {
BreakIteratorImpl::BreakIteratorImpl( const Reference < XComponentContext >& rxContext ) : m_xContext( rxContext )
{
}
BreakIteratorImpl::BreakIteratorImpl()
{
}
BreakIteratorImpl::~BreakIteratorImpl()
{
// Clear lookuptable
for (size_t l = 0; l < lookupTable.size(); l++)
delete lookupTable[l];
lookupTable.clear();
}
#define LBI getLocaleSpecificBreakIterator(rLocale)
sal_Int32 SAL_CALL BreakIteratorImpl::nextCharacters( const OUString& Text, sal_Int32 nStartPos,
const Locale &rLocale, sal_Int16 nCharacterIteratorMode, sal_Int32 nCount, sal_Int32& nDone )
throw(RuntimeException)
{
if (nCount < 0) throw RuntimeException();
return LBI->nextCharacters( Text, nStartPos, rLocale, nCharacterIteratorMode, nCount, nDone);
}
sal_Int32 SAL_CALL BreakIteratorImpl::previousCharacters( const OUString& Text, sal_Int32 nStartPos,
const Locale& rLocale, sal_Int16 nCharacterIteratorMode, sal_Int32 nCount, sal_Int32& nDone )
throw(RuntimeException)
{
if (nCount < 0) throw RuntimeException();
return LBI->previousCharacters( Text, nStartPos, rLocale, nCharacterIteratorMode, nCount, nDone);
}
#define isZWSP(c) (ch == 0x200B)
static sal_Int32 skipSpace(const OUString& Text, sal_Int32 nPos, sal_Int32 len, sal_Int16 rWordType, sal_Bool bDirection)
{
sal_uInt32 ch=0;
sal_Int32 pos=nPos;
switch (rWordType) {
case WordType::ANYWORD_IGNOREWHITESPACES:
if (bDirection)
while (nPos < len && (u_isWhitespace(ch = Text.iterateCodePoints(&pos, 1)) || isZWSP(ch))) nPos=pos;
else
while (nPos > 0 && (u_isWhitespace(ch = Text.iterateCodePoints(&pos, -1)) || isZWSP(ch))) nPos=pos;
break;
case WordType::DICTIONARY_WORD:
if (bDirection)
while (nPos < len && (u_isWhitespace(ch = Text.iterateCodePoints(&pos, 1)) || isZWSP(ch) ||
! (ch == 0x002E || u_isalnum(ch)))) nPos=pos;
else
while (nPos > 0 && (u_isWhitespace(ch = Text.iterateCodePoints(&pos, -1)) || isZWSP(ch) ||
! (ch == 0x002E || u_isalnum(ch)))) nPos=pos;
break;
case WordType::WORD_COUNT:
if (bDirection)
while (nPos < len && (u_isUWhiteSpace(ch = Text.iterateCodePoints(&pos, 1)) || isZWSP(ch))) nPos=pos;
else
while (nPos > 0 && (u_isUWhiteSpace(ch = Text.iterateCodePoints(&pos, -1)) || isZWSP(ch))) nPos=pos;
break;
}
return nPos;
}
Boundary SAL_CALL BreakIteratorImpl::nextWord( const OUString& Text, sal_Int32 nStartPos,
const Locale& rLocale, sal_Int16 rWordType ) throw(RuntimeException)
{
sal_Int32 len = Text.getLength();
if( nStartPos < 0 || len == 0 )
result.endPos = result.startPos = 0;
else if (nStartPos >= len)
result.endPos = result.startPos = len;
else {
result = LBI->nextWord(Text, nStartPos, rLocale, rWordType);
nStartPos = skipSpace(Text, result.startPos, len, rWordType, sal_True);
if ( nStartPos != result.startPos) {
if( nStartPos >= len )
result.startPos = result.endPos = len;
else {
result = LBI->getWordBoundary(Text, nStartPos, rLocale, rWordType, sal_True);
// i88041: avoid startPos goes back to nStartPos when switching between Latin and CJK scripts
if (result.startPos < nStartPos) result.startPos = nStartPos;
}
}
}
return result;
}
static inline sal_Bool SAL_CALL isCJK( const Locale& rLocale ) {
return rLocale.Language == "zh" || rLocale.Language == "ja" || rLocale.Language == "ko";
}
Boundary SAL_CALL BreakIteratorImpl::previousWord( const OUString& Text, sal_Int32 nStartPos,
const Locale& rLocale, sal_Int16 rWordType) throw(RuntimeException)
{
sal_Int32 len = Text.getLength();
if( nStartPos <= 0 || len == 0 ) {
result.endPos = result.startPos = 0;
return result;
} else if (nStartPos > len) {
result.endPos = result.startPos = len;
return result;
}
sal_Int32 nPos = skipSpace(Text, nStartPos, len, rWordType, sal_False);
// if some spaces are skiped, and the script type is Asian with no CJK rLocale, we have to return
// (nStartPos, -1) for caller to send correct rLocale for loading correct dictionary.
result.startPos = nPos;
if (nPos != nStartPos && nPos > 0 && !isCJK(rLocale) && getScriptClass(Text.iterateCodePoints(&nPos, -1)) == ScriptType::ASIAN) {
result.endPos = -1;
return result;
}
return LBI->previousWord(Text, result.startPos, rLocale, rWordType);
}
Boundary SAL_CALL BreakIteratorImpl::getWordBoundary( const OUString& Text, sal_Int32 nPos, const Locale& rLocale,
sal_Int16 rWordType, sal_Bool bDirection ) throw(RuntimeException)
{
sal_Int32 len = Text.getLength();
if( nPos < 0 || len == 0 )
result.endPos = result.startPos = 0;
else if (nPos > len)
result.endPos = result.startPos = len;
else {
sal_Int32 next, prev;
next = skipSpace(Text, nPos, len, rWordType, sal_True);
prev = skipSpace(Text, nPos, len, rWordType, sal_False);
if (prev == 0 && next == len) {
result.endPos = result.startPos = nPos;
} else if (prev == 0 && ! bDirection) {
result.endPos = result.startPos = 0;
} else if (next == len && bDirection) {
result.endPos = result.startPos = len;
} else {
if (next != prev) {
if (next == nPos && next != len)
bDirection = sal_True;
else if (prev == nPos && prev != 0)
bDirection = sal_False;
else
nPos = bDirection ? next : prev;
}
result = LBI->getWordBoundary(Text, nPos, rLocale, rWordType, bDirection);
}
}
return result;
}
sal_Bool SAL_CALL BreakIteratorImpl::isBeginWord( const OUString& Text, sal_Int32 nPos,
const Locale& rLocale, sal_Int16 rWordType ) throw(RuntimeException)
{
sal_Int32 len = Text.getLength();
if (nPos < 0 || nPos >= len) return sal_False;
sal_Int32 tmp = skipSpace(Text, nPos, len, rWordType, sal_True);
if (tmp != nPos) return sal_False;
result = getWordBoundary(Text, nPos, rLocale, rWordType, sal_True);
return result.startPos == nPos;
}
sal_Bool SAL_CALL BreakIteratorImpl::isEndWord( const OUString& Text, sal_Int32 nPos,
const Locale& rLocale, sal_Int16 rWordType ) throw(RuntimeException)
{
sal_Int32 len = Text.getLength();
if (nPos <= 0 || nPos > len) return sal_False;
sal_Int32 tmp = skipSpace(Text, nPos, len, rWordType, sal_False);
if (tmp != nPos) return sal_False;
result = getWordBoundary(Text, nPos, rLocale, rWordType, sal_False);
return result.endPos == nPos;
}
sal_Int32 SAL_CALL BreakIteratorImpl::beginOfSentence( const OUString& Text, sal_Int32 nStartPos,
const Locale &rLocale ) throw(RuntimeException)
{
if (nStartPos < 0 || nStartPos > Text.getLength())
return -1;
if (Text.isEmpty()) return 0;
return LBI->beginOfSentence(Text, nStartPos, rLocale);
}
sal_Int32 SAL_CALL BreakIteratorImpl::endOfSentence( const OUString& Text, sal_Int32 nStartPos,
const Locale &rLocale ) throw(RuntimeException)
{
if (nStartPos < 0 || nStartPos > Text.getLength())
return -1;
if (Text.isEmpty()) return 0;
return LBI->endOfSentence(Text, nStartPos, rLocale);
}
LineBreakResults SAL_CALL BreakIteratorImpl::getLineBreak( const OUString& Text, sal_Int32 nStartPos,
const Locale& rLocale, sal_Int32 nMinBreakPos, const LineBreakHyphenationOptions& hOptions,
const LineBreakUserOptions& bOptions ) throw(RuntimeException)
{
return LBI->getLineBreak(Text, nStartPos, rLocale, nMinBreakPos, hOptions, bOptions);
}
sal_Int16 SAL_CALL BreakIteratorImpl::getScriptType( const OUString& Text, sal_Int32 nPos )
throw(RuntimeException)
{
return (nPos < 0 || nPos >= Text.getLength()) ? ScriptType::WEAK :
getScriptClass(Text.iterateCodePoints(&nPos, 0));
}
/** Increments/decrements position first, then obtains character.
@return current position, may be -1 or text length if string was consumed.
*/
static sal_Int32 SAL_CALL iterateCodePoints(const OUString& Text, sal_Int32 &nStartPos, sal_Int32 inc, sal_uInt32& ch) {
sal_Int32 nLen = Text.getLength();
if (nStartPos + inc < 0 || nStartPos + inc >= nLen) {
ch = 0;
nStartPos = nStartPos + inc < 0 ? -1 : nLen;
} else {
ch = Text.iterateCodePoints(&nStartPos, inc);
// Fix for #i80436#.
// erAck: 2009-06-30T21:52+0200 This logic looks somewhat
// suspicious as if it cures a symptom.. anyway, had to add
// nStartPos < Text.getLength() to silence the (correct) assertion
// in rtl_uString_iterateCodePoints() if Text was one character
// (codepoint) only, made up of a surrogate pair.
//if (inc > 0 && nStartPos < Text.getLength())
// ch = Text.iterateCodePoints(&nStartPos, 0);
// With surrogates, nStartPos may actually point behind string
// now, even if inc is only +1
if (inc > 0)
ch = (nStartPos < nLen ? Text.iterateCodePoints(&nStartPos, 0) : 0);
}
return nStartPos;
}
sal_Int32 SAL_CALL BreakIteratorImpl::beginOfScript( const OUString& Text,
sal_Int32 nStartPos, sal_Int16 ScriptType ) throw(RuntimeException)
{
if (nStartPos < 0 || nStartPos >= Text.getLength())
return -1;
if(ScriptType != getScriptClass(Text.iterateCodePoints(&nStartPos, 0)))
return -1;
if (nStartPos == 0) return 0;
sal_uInt32 ch=0;
while (iterateCodePoints(Text, nStartPos, -1, ch) >= 0 && ScriptType == getScriptClass(ch)) {
if (nStartPos == 0) return 0;
}
return iterateCodePoints(Text, nStartPos, 1, ch);
}
sal_Int32 SAL_CALL BreakIteratorImpl::endOfScript( const OUString& Text,
sal_Int32 nStartPos, sal_Int16 ScriptType ) throw(RuntimeException)
{
if (nStartPos < 0 || nStartPos >= Text.getLength())
return -1;
if(ScriptType != getScriptClass(Text.iterateCodePoints(&nStartPos, 0)))
return -1;
sal_Int32 strLen = Text.getLength();
sal_uInt32 ch=0;
while(iterateCodePoints(Text, nStartPos, 1, ch) < strLen ) {
sal_Int16 currentCharScriptType = getScriptClass(ch);
if(ScriptType != currentCharScriptType && currentCharScriptType != ScriptType::WEAK)
break;
}
return nStartPos;
}
sal_Int32 SAL_CALL BreakIteratorImpl::previousScript( const OUString& Text,
sal_Int32 nStartPos, sal_Int16 ScriptType ) throw(RuntimeException)
{
if (nStartPos < 0)
return -1;
if (nStartPos > Text.getLength())
nStartPos = Text.getLength();
sal_Int16 numberOfChange = (ScriptType == getScriptClass(Text.iterateCodePoints(&nStartPos, 0))) ? 3 : 2;
sal_uInt32 ch=0;
while (numberOfChange > 0 && iterateCodePoints(Text, nStartPos, -1, ch) >= 0) {
if ((((numberOfChange % 2) == 0) ^ (ScriptType != getScriptClass(ch))))
numberOfChange--;
else if (nStartPos == 0) {
if (numberOfChange > 0)
numberOfChange--;
if (nStartPos > 0)
Text.iterateCodePoints(&nStartPos, -1);
else
return -1;
}
}
return numberOfChange == 0 ? iterateCodePoints(Text, nStartPos, 1, ch) : -1;
}
sal_Int32 SAL_CALL BreakIteratorImpl::nextScript( const OUString& Text, sal_Int32 nStartPos,
sal_Int16 ScriptType ) throw(RuntimeException)
{
if (nStartPos < 0)
nStartPos = 0;
sal_Int32 strLen = Text.getLength();
if (nStartPos > strLen)
return -1;
sal_Int16 numberOfChange = (ScriptType == getScriptClass(Text.iterateCodePoints(&nStartPos, 0))) ? 2 : 1;
sal_uInt32 ch=0;
while (numberOfChange > 0 && iterateCodePoints(Text, nStartPos, 1, ch) < strLen) {
sal_Int16 currentCharScriptType = getScriptClass(ch);
if ((numberOfChange == 1) ? (ScriptType == currentCharScriptType) :
(ScriptType != currentCharScriptType && currentCharScriptType != ScriptType::WEAK))
numberOfChange--;
}
return numberOfChange == 0 ? nStartPos : -1;
}
sal_Int32 SAL_CALL BreakIteratorImpl::beginOfCharBlock( const OUString& Text, sal_Int32 nStartPos,
const Locale& /*rLocale*/, sal_Int16 CharType ) throw(RuntimeException)
{
if (CharType == CharType::ANY_CHAR) return 0;
if (nStartPos < 0 || nStartPos >= Text.getLength()) return -1;
if (CharType != (sal_Int16)u_charType( Text.iterateCodePoints(&nStartPos, 0))) return -1;
sal_Int32 nPos=nStartPos;
while(nStartPos > 0 && CharType == (sal_Int16)u_charType(Text.iterateCodePoints(&nPos, -1))) { nStartPos=nPos; }
return nStartPos; // begin of char block is inclusive
}
sal_Int32 SAL_CALL BreakIteratorImpl::endOfCharBlock( const OUString& Text, sal_Int32 nStartPos,
const Locale& /*rLocale*/, sal_Int16 CharType ) throw(RuntimeException)
{
sal_Int32 strLen = Text.getLength();
if (CharType == CharType::ANY_CHAR) return strLen; // end of char block is exclusive
if (nStartPos < 0 || nStartPos >= strLen) return -1;
if (CharType != (sal_Int16)u_charType(Text.iterateCodePoints(&nStartPos, 0))) return -1;
sal_uInt32 ch=0;
while(iterateCodePoints(Text, nStartPos, 1, ch) < strLen && CharType == (sal_Int16)u_charType(ch)) {}
return nStartPos; // end of char block is exclusive
}
sal_Int32 SAL_CALL BreakIteratorImpl::nextCharBlock( const OUString& Text, sal_Int32 nStartPos,
const Locale& /*rLocale*/, sal_Int16 CharType ) throw(RuntimeException)
{
if (CharType == CharType::ANY_CHAR) return -1;
if (nStartPos < 0 || nStartPos >= Text.getLength()) return -1;
sal_Int16 numberOfChange = (CharType == (sal_Int16)u_charType(Text.iterateCodePoints(&nStartPos, 0))) ? 2 : 1;
sal_Int32 strLen = Text.getLength();
sal_uInt32 ch=0;
while (numberOfChange > 0 && iterateCodePoints(Text, nStartPos, 1, ch) < strLen) {
if ((CharType != (sal_Int16)u_charType(ch)) ^ (numberOfChange == 1))
numberOfChange--;
}
return numberOfChange == 0 ? nStartPos : -1;
}
sal_Int32 SAL_CALL BreakIteratorImpl::previousCharBlock( const OUString& Text, sal_Int32 nStartPos,
const Locale& /*rLocale*/, sal_Int16 CharType ) throw(RuntimeException)
{
if(CharType == CharType::ANY_CHAR) return -1;
if (nStartPos < 0 || nStartPos >= Text.getLength()) return -1;
sal_Int16 numberOfChange = (CharType == (sal_Int16)u_charType(Text.iterateCodePoints(&nStartPos, 0))) ? 3 : 2;
sal_uInt32 ch=0;
while (numberOfChange > 0 && iterateCodePoints(Text, nStartPos, -1, ch) >= 0) {
if (((numberOfChange % 2) == 0) ^ (CharType != (sal_Int16)u_charType(ch)))
numberOfChange--;
if (nStartPos == 0 && numberOfChange > 0) {
numberOfChange--;
if (numberOfChange == 0) return nStartPos;
}
}
return numberOfChange == 0 ? iterateCodePoints(Text, nStartPos, 1, ch) : -1;
}
sal_Int16 SAL_CALL BreakIteratorImpl::getWordType( const OUString& /*Text*/,
sal_Int32 /*nPos*/, const Locale& /*rLocale*/ ) throw(RuntimeException)
{
return 0;
}
namespace
{
sal_Int16 getScriptClassByUAX24Script(sal_uInt32 currentChar)
{
int32_t script = u_getIntPropertyValue(currentChar, UCHAR_SCRIPT);
return unicode::getScriptClassFromUScriptCode(static_cast<UScriptCode>(script));
}
struct UBlock2Script
{
UBlockCode from;
UBlockCode to;
sal_Int16 script;
};
static UBlock2Script scriptList[] =
{
{UBLOCK_NO_BLOCK, UBLOCK_NO_BLOCK, ScriptType::WEAK},
{UBLOCK_BASIC_LATIN, UBLOCK_ARMENIAN, ScriptType::LATIN},
{UBLOCK_HEBREW, UBLOCK_MYANMAR, ScriptType::COMPLEX},
{UBLOCK_GEORGIAN, UBLOCK_GEORGIAN, ScriptType::LATIN},
{UBLOCK_HANGUL_JAMO, UBLOCK_HANGUL_JAMO, ScriptType::ASIAN},
{UBLOCK_ETHIOPIC, UBLOCK_ETHIOPIC, ScriptType::COMPLEX},
{UBLOCK_CHEROKEE, UBLOCK_RUNIC, ScriptType::LATIN},
{UBLOCK_KHMER, UBLOCK_MONGOLIAN, ScriptType::COMPLEX},
{UBLOCK_LATIN_EXTENDED_ADDITIONAL, UBLOCK_GREEK_EXTENDED, ScriptType::LATIN},
{UBLOCK_NUMBER_FORMS, UBLOCK_NUMBER_FORMS, ScriptType::WEAK},
{UBLOCK_CJK_RADICALS_SUPPLEMENT, UBLOCK_HANGUL_SYLLABLES, ScriptType::ASIAN},
{UBLOCK_CJK_COMPATIBILITY_IDEOGRAPHS, UBLOCK_CJK_COMPATIBILITY_IDEOGRAPHS, ScriptType::ASIAN},
{UBLOCK_ARABIC_PRESENTATION_FORMS_A, UBLOCK_ARABIC_PRESENTATION_FORMS_A, ScriptType::COMPLEX},
{UBLOCK_CJK_COMPATIBILITY_FORMS, UBLOCK_CJK_COMPATIBILITY_FORMS, ScriptType::ASIAN},
{UBLOCK_ARABIC_PRESENTATION_FORMS_B, UBLOCK_ARABIC_PRESENTATION_FORMS_B, ScriptType::COMPLEX},
{UBLOCK_HALFWIDTH_AND_FULLWIDTH_FORMS, UBLOCK_HALFWIDTH_AND_FULLWIDTH_FORMS, ScriptType::ASIAN},
{UBLOCK_CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B, UBLOCK_CJK_COMPATIBILITY_IDEOGRAPHS_SUPPLEMENT, ScriptType::ASIAN},
{UBLOCK_CJK_STROKES, UBLOCK_CJK_STROKES, ScriptType::ASIAN},
{UBLOCK_LATIN_EXTENDED_C, UBLOCK_LATIN_EXTENDED_D, ScriptType::LATIN}
};
#define scriptListCount SAL_N_ELEMENTS(scriptList)
//always sets rScriptType
//
//returns true for characters historically explicitly assigned to
//latin/weak/asian
//
//returns false for characters that historically implicitly assigned to
//weak as unknown
bool getCompatibilityScriptClassByBlock(sal_uInt32 currentChar, sal_Int16 &rScriptType)
{
bool bKnown = true;
//handle specific characters always as weak:
// 0x01 - this breaks a word
// 0x02 - this can be inside a word
// 0x20 & 0xA0 - Bug 102975, declare western space and non-break space as WEAK char.
if( 0x01 == currentChar || 0x02 == currentChar || 0x20 == currentChar || 0xA0 == currentChar)
rScriptType = ScriptType::WEAK;
// workaround for Coptic
else if ( 0x2C80 <= currentChar && 0x2CE3 >= currentChar)
rScriptType = ScriptType::LATIN;
else
{
UBlockCode block=ublock_getCode(currentChar);
size_t i = 0;
while (i < scriptListCount)
{
if (block <= scriptList[i].to)
break;
++i;
}
if (i < scriptListCount && block >= scriptList[i].from)
rScriptType = scriptList[i].script;
else
{
rScriptType = ScriptType::WEAK;
bKnown = false;
}
}
return bKnown;
}
}
sal_Int16 BreakIteratorImpl::getScriptClass(sal_uInt32 currentChar)
{
static sal_uInt32 lastChar = 0;
static sal_Int16 nRet = 0;
if (currentChar != lastChar)
{
lastChar = currentChar;
if (!getCompatibilityScriptClassByBlock(currentChar, nRet))
nRet = getScriptClassByUAX24Script(currentChar);
}
return nRet;
}
static inline sal_Bool operator == (const Locale& l1, const Locale& l2) {
return l1.Language == l2.Language && l1.Country == l2.Country && l1.Variant == l2.Variant;
}
sal_Bool SAL_CALL BreakIteratorImpl::createLocaleSpecificBreakIterator(const OUString& aLocaleName) throw( RuntimeException )
{
// to share service between same Language but different Country code, like zh_CN and zh_TW
for (size_t l = 0; l < lookupTable.size(); l++) {
lookupTableItem *listItem = lookupTable[l];
if (aLocaleName == listItem->aLocale.Language) {
xBI = listItem->xBI;
return sal_True;
}
}
Reference < uno::XInterface > xI = m_xContext->getServiceManager()->createInstanceWithContext(
OUString("com.sun.star.i18n.BreakIterator_") + aLocaleName, m_xContext);
if ( xI.is() ) {
xBI.set(xI, UNO_QUERY);
if (xBI.is()) {
lookupTable.push_back(new lookupTableItem(Locale(aLocaleName, aLocaleName, aLocaleName), xBI));
return sal_True;
}
}
return sal_False;
}
Reference < XBreakIterator > SAL_CALL
BreakIteratorImpl::getLocaleSpecificBreakIterator(const Locale& rLocale) throw (RuntimeException)
{
if (xBI.is() && rLocale == aLocale)
return xBI;
else if (m_xContext.is()) {
aLocale = rLocale;
for (size_t i = 0; i < lookupTable.size(); i++) {
lookupTableItem *listItem = lookupTable[i];
if (rLocale == listItem->aLocale)
return xBI = listItem->xBI;
}
sal_Unicode under = (sal_Unicode)'_';
sal_Int32 l = rLocale.Language.getLength();
sal_Int32 c = rLocale.Country.getLength();
sal_Int32 v = rLocale.Variant.getLength();
OUStringBuffer aBuf(l+c+v+3);
if ((l > 0 && c > 0 && v > 0 &&
// load service with name <base>_<lang>_<country>_<varian>
createLocaleSpecificBreakIterator(aBuf.append(rLocale.Language).append(under).append(
rLocale.Country).append(under).append(rLocale.Variant).makeStringAndClear())) ||
(l > 0 && c > 0 &&
// load service with name <base>_<lang>_<country>
createLocaleSpecificBreakIterator(aBuf.append(rLocale.Language).append(under).append(
rLocale.Country).makeStringAndClear())) ||
(l > 0 && c > 0 && rLocale.Language.compareToAscii("zh") == 0 &&
(rLocale.Country.compareToAscii("HK") == 0 ||
rLocale.Country.compareToAscii("MO") == 0) &&
// if the country code is HK or MO, one more step to try TW.
createLocaleSpecificBreakIterator(aBuf.append(rLocale.Language).append(under).appendAscii(
"TW").makeStringAndClear())) ||
(l > 0 &&
// load service with name <base>_<lang>
createLocaleSpecificBreakIterator(rLocale.Language)) ||
// load default service with name <base>_Unicode
createLocaleSpecificBreakIterator(OUString("Unicode"))) {
lookupTable.push_back( new lookupTableItem(aLocale, xBI) );
return xBI;
}
}
throw RuntimeException();
}
const sal_Char cBreakIterator[] = "com.sun.star.i18n.BreakIterator";
OUString SAL_CALL
BreakIteratorImpl::getImplementationName(void) throw( RuntimeException )
{
return OUString::createFromAscii(cBreakIterator);
}
sal_Bool SAL_CALL
BreakIteratorImpl::supportsService(const OUString& rServiceName) throw( RuntimeException )
{
return !rServiceName.compareToAscii(cBreakIterator);
}
Sequence< OUString > SAL_CALL
BreakIteratorImpl::getSupportedServiceNames(void) throw( RuntimeException )
{
Sequence< OUString > aRet(1);
aRet[0] = OUString::createFromAscii(cBreakIterator);
return aRet;
}
} } } }
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