Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 957 insertions, 0 deletions

diff --git a/lingucomponent/source/hyphenator/hyphen/hyphen.component b/lingucomponent/source/hyphenator/hyphen/hyphen.component
new file mode 100644
index 000000000..b9bc8b1f3
--- /dev/null
+++ b/lingucomponent/source/hyphenator/hyphen/hyphen.component
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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 .
+ -->
+
+<component loader="com.sun.star.loader.SharedLibrary" environment="@CPPU_ENV@"
+    xmlns="http://openoffice.org/2010/uno-components">
+  <implementation name="org.openoffice.lingu.LibHnjHyphenator"
+    constructor="lingucomponent_Hyphenator_get_implementation" single-instance="true">
+    <service name="com.sun.star.linguistic2.Hyphenator"/>
+  </implementation>
+</component>
diff --git a/lingucomponent/source/hyphenator/hyphen/hyphenimp.cxx b/lingucomponent/source/hyphenator/hyphen/hyphenimp.cxx
new file mode 100644
index 000000000..8ac156ef8
--- /dev/null
+++ b/lingucomponent/source/hyphenator/hyphen/hyphenimp.cxx
@@ -0,0 +1,805 @@
+/* -*- 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 <com/sun/star/uno/Reference.h>
+
+#include <comphelper/sequence.hxx>
+#include <cppuhelper/factory.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <cppuhelper/weak.hxx>
+#include <com/sun/star/linguistic2/XLinguProperties.hpp>
+#include <i18nlangtag/languagetag.hxx>
+#include <tools/debug.hxx>
+#include <osl/mutex.hxx>
+#include <osl/thread.h>
+
+#include <hyphen.h>
+#include "hyphenimp.hxx"
+
+#include <linguistic/hyphdta.hxx>
+#include <rtl/ustring.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <rtl/textenc.h>
+#include <sal/log.hxx>
+
+#include <linguistic/misc.hxx>
+#include <svtools/strings.hrc>
+#include <unotools/charclass.hxx>
+#include <unotools/lingucfg.hxx>
+#include <unotools/resmgr.hxx>
+#include <osl/file.hxx>
+
+#include <stdio.h>
+#include <string.h>
+
+#include <cassert>
+#include <numeric>
+#include <vector>
+#include <set>
+#include <memory>
+
+using namespace utl;
+using namespace osl;
+using namespace com::sun::star;
+using namespace com::sun::star::beans;
+using namespace com::sun::star::lang;
+using namespace com::sun::star::uno;
+using namespace com::sun::star::linguistic2;
+using namespace linguistic;
+
+Hyphenator::Hyphenator() :
+    aEvtListeners   ( GetLinguMutex() )
+{
+    bDisposing = false;
+}
+
+Hyphenator::~Hyphenator()
+{
+    for (auto & rInfo : mvDicts)
+    {
+        if (rInfo.aPtr)
+            hnj_hyphen_free(rInfo.aPtr);
+    }
+
+    if (pPropHelper)
+    {
+        pPropHelper->RemoveAsPropListener();
+    }
+}
+
+PropertyHelper_Hyphenation& Hyphenator::GetPropHelper_Impl()
+{
+    if (!pPropHelper)
+    {
+        Reference< XLinguProperties >   xPropSet = GetLinguProperties();
+
+        pPropHelper.reset( new PropertyHelper_Hyphenation (static_cast<XHyphenator *>(this), xPropSet ) );
+        pPropHelper->AddAsPropListener();   //! after a reference is established
+    }
+    return *pPropHelper;
+}
+
+Sequence< Locale > SAL_CALL Hyphenator::getLocales()
+{
+    MutexGuard  aGuard( GetLinguMutex() );
+
+    // this routine should return the locales supported by the installed
+    // dictionaries.
+    if (mvDicts.empty())
+    {
+        SvtLinguConfig aLinguCfg;
+
+        // get list of dictionaries-to-use
+        // (or better speaking: the list of dictionaries using the
+        // new configuration entries).
+        std::vector< SvtLinguConfigDictionaryEntry > aDics;
+        uno::Sequence< OUString > aFormatList;
+        aLinguCfg.GetSupportedDictionaryFormatsFor( "Hyphenators",
+                "org.openoffice.lingu.LibHnjHyphenator", aFormatList );
+        for (const auto& rFormat : std::as_const(aFormatList))
+        {
+            std::vector< SvtLinguConfigDictionaryEntry > aTmpDic(
+                    aLinguCfg.GetActiveDictionariesByFormat( rFormat ) );
+            aDics.insert( aDics.end(), aTmpDic.begin(), aTmpDic.end() );
+        }
+
+        //!! for compatibility with old dictionaries (the ones not using extensions
+        //!! or new configuration entries, but still using the dictionary.lst file)
+        //!! Get the list of old style spell checking dictionaries to use...
+        std::vector< SvtLinguConfigDictionaryEntry > aOldStyleDics(
+                GetOldStyleDics( "HYPH" ) );
+
+        // to prefer dictionaries with configuration entries we will only
+        // use those old style dictionaries that add a language that
+        // is not yet supported by the list of new style dictionaries
+        MergeNewStyleDicsAndOldStyleDics( aDics, aOldStyleDics );
+
+        if (!aDics.empty())
+        {
+            // get supported locales from the dictionaries-to-use...
+            std::set<OUString> aLocaleNamesSet;
+            for (auto const& dict : aDics)
+            {
+                for (const auto& rLocaleName : dict.aLocaleNames)
+                {
+                    aLocaleNamesSet.insert( rLocaleName );
+                }
+            }
+            // ... and add them to the resulting sequence
+            std::vector<Locale> aLocalesVec;
+            aLocalesVec.reserve(aLocaleNamesSet.size());
+
+            std::transform(aLocaleNamesSet.begin(), aLocaleNamesSet.end(), std::back_inserter(aLocalesVec),
+                [](const OUString& localeName) { return LanguageTag::convertToLocale(localeName); });
+
+            aSuppLocales = comphelper::containerToSequence(aLocalesVec);
+
+            //! For each dictionary and each locale we need a separate entry.
+            //! If this results in more than one dictionary per locale than (for now)
+            //! it is undefined which dictionary gets used.
+            //! In the future the implementation should support using several dictionaries
+            //! for one locale.
+            sal_Int32 numdict = std::accumulate(aDics.begin(), aDics.end(), 0,
+                [](const sal_Int32 nSum, const SvtLinguConfigDictionaryEntry& dict) {
+                    return nSum + dict.aLocaleNames.getLength(); });
+
+            // add dictionary information
+            mvDicts.resize(numdict);
+
+            sal_Int32 k = 0;
+            for (auto const& dict :  aDics)
+            {
+                if (dict.aLocaleNames.hasElements() &&
+                    dict.aLocations.hasElements())
+                {
+                    // currently only one language per dictionary is supported in the actual implementation...
+                    // Thus here we work-around this by adding the same dictionary several times.
+                    // Once for each of its supported locales.
+                    for (const auto& rLocaleName : dict.aLocaleNames)
+                    {
+                        LanguageTag aLanguageTag(rLocaleName);
+                        mvDicts[k].aPtr = nullptr;
+                        mvDicts[k].eEnc = RTL_TEXTENCODING_DONTKNOW;
+                        mvDicts[k].aLoc = aLanguageTag.getLocale();
+                        mvDicts[k].apCC.reset( new CharClass( std::move(aLanguageTag) ) );
+                        // also both files have to be in the same directory and the
+                        // file names must only differ in the extension (.aff/.dic).
+                        // Thus we use the first location only and strip the extension part.
+                        OUString aLocation = dict.aLocations[0];
+                        sal_Int32 nPos = aLocation.lastIndexOf( '.' );
+                        aLocation = aLocation.copy( 0, nPos );
+                        mvDicts[k].aName = aLocation;
+
+                        ++k;
+                    }
+                }
+            }
+            DBG_ASSERT( k == numdict, "index mismatch?" );
+        }
+        else
+        {
+            // no dictionary found so register no dictionaries
+            mvDicts.clear();
+            aSuppLocales.realloc(0);
+        }
+    }
+
+    return aSuppLocales;
+}
+
+sal_Bool SAL_CALL Hyphenator::hasLocale(const Locale& rLocale)
+{
+    MutexGuard  aGuard( GetLinguMutex() );
+
+    if (!aSuppLocales.hasElements())
+        getLocales();
+
+    return comphelper::findValue(aSuppLocales, rLocale) != -1;
+}
+
+namespace {
+bool LoadDictionary(HDInfo& rDict)
+{
+    OUString DictFN = rDict.aName + ".dic";
+    OUString dictpath;
+
+    osl::FileBase::getSystemPathFromFileURL(DictFN, dictpath);
+
+#if defined(_WIN32)
+    // hnj_hyphen_load expects UTF-8 encoded paths with \\?\ long path prefix.
+    OString sTmp = Win_AddLongPathPrefix(OUStringToOString(dictpath, RTL_TEXTENCODING_UTF8));
+#else
+    OString sTmp(OU2ENC(dictpath, osl_getThreadTextEncoding()));
+#endif
+    HyphenDict *dict = nullptr;
+    if ((dict = hnj_hyphen_load(sTmp.getStr())) == nullptr)
+    {
+        SAL_WARN(
+            "lingucomponent",
+            "Couldn't find file " << dictpath);
+        return false;
+    }
+    rDict.aPtr = dict;
+    rDict.eEnc = getTextEncodingFromCharset(dict->cset);
+    return true;
+}
+}
+
+Reference< XHyphenatedWord > SAL_CALL Hyphenator::hyphenate( const OUString& aWord,
+       const css::lang::Locale& aLocale,
+       sal_Int16 nMaxLeading,
+       const css::uno::Sequence< css::beans::PropertyValue >& aProperties )
+{
+    PropertyHelper_Hyphenation& rHelper = GetPropHelper();
+    rHelper.SetTmpPropVals(aProperties);
+    sal_Int16 minTrail = rHelper.GetMinTrailing();
+    sal_Int16 minLead = rHelper.GetMinLeading();
+    sal_Int16 minLen = rHelper.GetMinWordLength();
+    bool bNoHyphenateCaps = rHelper.IsNoHyphenateCaps();
+
+    rtl_TextEncoding eEnc = RTL_TEXTENCODING_DONTKNOW;
+
+    Reference< XHyphenatedWord > xRes;
+
+    int k = -1;
+    for (size_t j = 0; j < mvDicts.size(); ++j)
+    {
+        if (aLocale == mvDicts[j].aLoc)
+            k = j;
+    }
+
+    // if we have a hyphenation dictionary matching this locale
+    if (k != -1)
+    {
+        int nHyphenationPos = -1;
+        int nHyphenationPosAlt = -1;
+        int nHyphenationPosAltHyph = -1;
+
+        // if this dictionary has not been loaded yet do that
+        if (!mvDicts[k].aPtr)
+        {
+            if (!LoadDictionary(mvDicts[k]))
+                return nullptr;
+        }
+
+        // otherwise hyphenate the word with that dictionary
+        HyphenDict *dict = mvDicts[k].aPtr;
+        eEnc = mvDicts[k].eEnc;
+        CharClass * pCC =  mvDicts[k].apCC.get();
+
+        // Don't hyphenate uppercase words if requested
+        if (bNoHyphenateCaps && aWord == makeUpperCase(aWord, pCC))
+        {
+            return nullptr;
+        }
+
+        // we don't want to work with a default text encoding since following incorrect
+        // results may occur only for specific text and thus may be hard to notice.
+        // Thus better always make a clean exit here if the text encoding is in question.
+        // Hopefully something not working at all will raise proper attention quickly. ;-)
+        DBG_ASSERT( eEnc != RTL_TEXTENCODING_DONTKNOW, "failed to get text encoding! (maybe incorrect encoding string in file)" );
+        if (eEnc == RTL_TEXTENCODING_DONTKNOW)
+            return nullptr;
+
+        CapType ct = capitalType(aWord, pCC);
+
+        // first convert any smart quotes or apostrophes to normal ones
+        OUStringBuffer rBuf(aWord);
+        sal_Int32 nc = rBuf.getLength();
+        sal_Unicode ch;
+        for (sal_Int32 ix=0; ix < nc; ix++)
+        {
+            ch = rBuf[ix];
+            if ((ch == 0x201C) || (ch == 0x201D))
+                rBuf[ix] = u'"';
+            if ((ch == 0x2018) || (ch == 0x2019))
+                rBuf[ix] = u'\'';
+        }
+        OUString nWord(rBuf.makeStringAndClear());
+
+        // now convert word to all lowercase for pattern recognition
+        OUString nTerm(makeLowerCase(nWord, pCC));
+
+        // now convert word to needed encoding
+        OString encWord(OU2ENC(nTerm,eEnc));
+
+        int wordlen = encWord.getLength();
+        std::unique_ptr<char[]> lcword(new char[wordlen + 1]);
+        std::unique_ptr<char[]> hyphens(new char[wordlen + 5]);
+
+        char ** rep = nullptr; // replacements of discretionary hyphenation
+        int * pos = nullptr; // array of [hyphenation point] minus [deletion position]
+        int * cut = nullptr; // length of deletions in original word
+
+        // copy converted word into simple char buffer
+        strcpy(lcword.get(),encWord.getStr());
+
+        // now strip off any ending periods
+        int n = wordlen-1;
+        while((n >=0) && (lcword[n] == '.'))
+            n--;
+        n++;
+        if (n > 0)
+        {
+            const bool bFailed = 0 != hnj_hyphen_hyphenate3( dict, lcword.get(), n, hyphens.get(), nullptr,
+                    &rep, &pos, &cut, minLead, minTrail,
+                    std::max<sal_Int16>(dict->clhmin, std::max<sal_Int16>(dict->clhmin, 2) + std::max(0, minLead  - std::max<sal_Int16>(dict->lhmin, 2))),
+                    std::max<sal_Int16>(dict->crhmin, std::max<sal_Int16>(dict->crhmin, 2) + std::max(0, minTrail - std::max<sal_Int16>(dict->rhmin, 2))) );
+            if (bFailed)
+            {
+                // whoops something did not work
+                if (rep)
+                {
+                    for(int j = 0; j < n; j++)
+                    {
+                        if (rep[j]) free(rep[j]);
+                    }
+                    free(rep);
+                }
+                if (pos) free(pos);
+                if (cut) free(cut);
+                return nullptr;
+            }
+        }
+
+        // now backfill hyphens[] for any removed trailing periods
+        for (int c = n; c < wordlen; c++) hyphens[c] = '0';
+        hyphens[wordlen] = '\0';
+
+        sal_Int32 Leading =  GetPosInWordToCheck( aWord, nMaxLeading );
+
+        for (sal_Int32 i = 0; i < n; i++)
+        {
+            int leftrep = 0;
+            bool hit = (n >= minLen);
+            if (!rep || !rep[i])
+            {
+                hit = hit && (hyphens[i]&1) && (i < Leading);
+                hit = hit && (i >= (minLead-1) );
+                hit = hit && ((n - i - 1) >= minTrail);
+            }
+            else
+            {
+                // calculate change character length before hyphenation point signed with '='
+                for (char * c = rep[i]; *c && (*c != '='); c++)
+                {
+                    if (eEnc == RTL_TEXTENCODING_UTF8)
+                    {
+                        if (static_cast<unsigned char>(*c) >> 6 != 2)
+                            leftrep++;
+                    }
+                    else
+                        leftrep++;
+                }
+                hit = hit && (hyphens[i]&1) && ((i + leftrep - pos[i]) < Leading);
+                hit = hit && ((i + leftrep - pos[i]) >= (minLead-1) );
+                hit = hit && ((n - i - 1 + sal::static_int_cast< sal_sSize >(strlen(rep[i])) - leftrep - 1) >= minTrail);
+            }
+            if (hit)
+            {
+                nHyphenationPos = i;
+                if (rep && rep[i])
+                {
+                    nHyphenationPosAlt = i - pos[i];
+                    nHyphenationPosAltHyph = i + leftrep - pos[i];
+                }
+            }
+        }
+
+        if (nHyphenationPos  == -1)
+        {
+            xRes = nullptr;
+        }
+        else
+        {
+            if (rep && rep[nHyphenationPos])
+            {
+                // remove equal sign
+                char * s = rep[nHyphenationPos];
+                int eq = 0;
+                for (; *s; s++)
+                {
+                    if (*s == '=') eq = 1;
+                    if (eq) *s = *(s + 1);
+                }
+                OUString repHyphlow(rep[nHyphenationPos], strlen(rep[nHyphenationPos]), eEnc);
+                OUString repHyph;
+                switch (ct)
+                {
+                    case CapType::ALLCAP:
+                    {
+                        repHyph = makeUpperCase(repHyphlow, pCC);
+                        break;
+                    }
+                    case CapType::INITCAP:
+                    {
+                        if (nHyphenationPosAlt == -1)
+                            repHyph = makeInitCap(repHyphlow, pCC);
+                        else
+                             repHyph = repHyphlow;
+                        break;
+                    }
+                    default:
+                    {
+                        repHyph = repHyphlow;
+                        break;
+                    }
+                }
+
+                // handle shortening
+                sal_Int16 nPos = static_cast<sal_Int16>((nHyphenationPosAltHyph < nHyphenationPos) ?
+                nHyphenationPosAltHyph : nHyphenationPos);
+                // discretionary hyphenation
+                xRes = HyphenatedWord::CreateHyphenatedWord( aWord, LinguLocaleToLanguage( aLocale ), nPos,
+                    aWord.replaceAt(nHyphenationPosAlt + 1, cut[nHyphenationPos], repHyph),
+                    static_cast<sal_Int16>(nHyphenationPosAltHyph));
+            }
+            else
+            {
+                xRes = HyphenatedWord::CreateHyphenatedWord( aWord, LinguLocaleToLanguage( aLocale ),
+                    static_cast<sal_Int16>(nHyphenationPos), aWord, static_cast<sal_Int16>(nHyphenationPos));
+            }
+        }
+
+        if (rep)
+        {
+            for(int j = 0; j < n; j++)
+            {
+                if (rep[j]) free(rep[j]);
+            }
+            free(rep);
+        }
+        if (pos) free(pos);
+        if (cut) free(cut);
+        return xRes;
+    }
+    return nullptr;
+}
+
+Reference < XHyphenatedWord > SAL_CALL Hyphenator::queryAlternativeSpelling(
+        const OUString& aWord,
+        const css::lang::Locale& aLocale,
+        sal_Int16 nIndex,
+        const css::uno::Sequence< css::beans::PropertyValue >& aProperties )
+{
+    // Firstly we allow only one plus character before the hyphen to avoid to miss the right break point:
+    for (int extrachar = 1; extrachar <= 2; extrachar++)
+    {
+        Reference< XHyphenatedWord > xRes = hyphenate(aWord, aLocale, nIndex + 1 + extrachar, aProperties);
+        if (xRes.is() && xRes->isAlternativeSpelling() && xRes->getHyphenationPos() == nIndex)
+            return xRes;
+    }
+    return nullptr;
+}
+
+Reference< XPossibleHyphens > SAL_CALL Hyphenator::createPossibleHyphens( const OUString& aWord,
+        const css::lang::Locale& aLocale,
+        const css::uno::Sequence< css::beans::PropertyValue >& aProperties )
+{
+    PropertyHelper_Hyphenation& rHelper = GetPropHelper();
+    rHelper.SetTmpPropVals(aProperties);
+    sal_Int16 minTrail = rHelper.GetMinTrailing();
+    sal_Int16 minLead = rHelper.GetMinLeading();
+    sal_Int16 minLen = rHelper.GetMinWordLength();
+
+    // Resolves: fdo#41083 honour MinWordLength in "createPossibleHyphens" as
+    // well as "hyphenate"
+    if (aWord.getLength() < minLen)
+    {
+        return PossibleHyphens::CreatePossibleHyphens( aWord, LinguLocaleToLanguage( aLocale ),
+                      aWord, Sequence< sal_Int16 >() );
+    }
+
+    int k = -1;
+    for (size_t j = 0; j < mvDicts.size(); ++j)
+    {
+        if (aLocale == mvDicts[j].aLoc)
+            k = j;
+    }
+
+    // if we have a hyphenation dictionary matching this locale
+    if (k != -1)
+    {
+        HyphenDict *dict = nullptr;
+        // if this dictionary has not been loaded yet do that
+        if (!mvDicts[k].aPtr)
+        {
+            if (!LoadDictionary(mvDicts[k]))
+                return nullptr;
+        }
+
+        // otherwise hyphenate the word with that dictionary
+        dict = mvDicts[k].aPtr;
+        rtl_TextEncoding eEnc = mvDicts[k].eEnc;
+        CharClass* pCC = mvDicts[k].apCC.get();
+
+        // we don't want to work with a default text encoding since following incorrect
+        // results may occur only for specific text and thus may be hard to notice.
+        // Thus better always make a clean exit here if the text encoding is in question.
+        // Hopefully something not working at all will raise proper attention quickly. ;-)
+        DBG_ASSERT( eEnc != RTL_TEXTENCODING_DONTKNOW, "failed to get text encoding! (maybe incorrect encoding string in file)" );
+        if (eEnc == RTL_TEXTENCODING_DONTKNOW)
+            return nullptr;
+
+        // first handle smart quotes both single and double
+        OUStringBuffer rBuf(aWord);
+        sal_Int32 nc = rBuf.getLength();
+        sal_Unicode ch;
+        for (sal_Int32 ix=0; ix < nc; ix++)
+        {
+            ch = rBuf[ix];
+            if ((ch == 0x201C) || (ch == 0x201D))
+                rBuf[ix] = u'"';
+            if ((ch == 0x2018) || (ch == 0x2019))
+                rBuf[ix] = u'\'';
+        }
+        OUString nWord(rBuf.makeStringAndClear());
+
+        // now convert word to all lowercase for pattern recognition
+        OUString nTerm(makeLowerCase(nWord, pCC));
+
+        // now convert word to needed encoding
+        OString encWord(OU2ENC(nTerm,eEnc));
+
+        sal_Int32 wordlen = encWord.getLength();
+        std::unique_ptr<char[]> lcword(new char[wordlen+1]);
+        std::unique_ptr<char[]> hyphens(new char[wordlen+5]);
+        char ** rep = nullptr; // replacements of discretionary hyphenation
+        int * pos = nullptr; // array of [hyphenation point] minus [deletion position]
+        int * cut = nullptr; // length of deletions in original word
+
+        // copy converted word into simple char buffer
+        strcpy(lcword.get(),encWord.getStr());
+
+        // first remove any trailing periods
+        sal_Int32 n = wordlen-1;
+        while((n >=0) && (lcword[n] == '.'))
+            n--;
+        n++;
+        if (n > 0)
+        {
+            const bool bFailed = 0 != hnj_hyphen_hyphenate3(dict, lcword.get(), n, hyphens.get(), nullptr,
+                    &rep, &pos, &cut, minLead, minTrail,
+                    std::max<sal_Int16>(dict->clhmin, std::max<sal_Int16>(dict->clhmin, 2) + std::max(0, minLead - std::max<sal_Int16>(dict->lhmin, 2))),
+                    std::max<sal_Int16>(dict->crhmin, std::max<sal_Int16>(dict->crhmin, 2) + std::max(0, minTrail - std::max<sal_Int16>(dict->rhmin, 2))) );
+            if (bFailed)
+            {
+                if (rep)
+                {
+                    for(int j = 0; j < n; j++)
+                    {
+                        if (rep[j]) free(rep[j]);
+                    }
+                    free(rep);
+                }
+                if (pos) free(pos);
+                if (cut) free(cut);
+
+                return nullptr;
+            }
+        }
+        // now backfill hyphens[] for any removed periods
+        for (sal_Int32 c = n; c < wordlen; c++)
+            hyphens[c] = '0';
+        hyphens[wordlen] = '\0';
+
+        sal_Int32 nHyphCount = 0;
+
+        for ( sal_Int32 i = 0; i < encWord.getLength(); i++)
+        {
+            if (hyphens[i]&1)
+                nHyphCount++;
+        }
+
+        Sequence< sal_Int16 > aHyphPos(nHyphCount);
+        sal_Int16 *pPos = aHyphPos.getArray();
+        OUStringBuffer hyphenatedWordBuffer;
+        nHyphCount = 0;
+
+        for (sal_Int32 i = 0; i < nWord.getLength(); i++)
+        {
+            hyphenatedWordBuffer.append(aWord[i]);
+            // hyphenation position
+            if (hyphens[i]&1)
+            {
+                // linguistic::PossibleHyphens is stuck with
+                // css::uno::Sequence<sal_Int16> because of
+                // css.linguistic2.XPossibleHyphens.getHyphenationPositions, so
+                // any further positions need to be ignored:
+                assert(i >= SAL_MIN_INT16);
+                if (i > SAL_MAX_INT16)
+                {
+                    SAL_WARN(
+                        "lingucomponent",
+                        "hyphen pos " << i << " > SAL_MAX_INT16 in \"" << aWord
+                            << "\"");
+                    continue;
+                }
+                pPos[nHyphCount] = i;
+                hyphenatedWordBuffer.append('=');
+                nHyphCount++;
+            }
+        }
+
+        OUString hyphenatedWord = hyphenatedWordBuffer.makeStringAndClear();
+
+        Reference< XPossibleHyphens > xRes = PossibleHyphens::CreatePossibleHyphens(
+            aWord, LinguLocaleToLanguage( aLocale ), hyphenatedWord, aHyphPos);
+
+        if (rep)
+        {
+            for(int j = 0; j < n; j++)
+            {
+                if (rep[j]) free(rep[j]);
+            }
+            free(rep);
+        }
+        if (pos) free(pos);
+        if (cut) free(cut);
+
+        return xRes;
+    }
+
+    return nullptr;
+}
+
+OUString Hyphenator::makeLowerCase(const OUString& aTerm, CharClass const * pCC)
+{
+    if (pCC)
+        return pCC->lowercase(aTerm);
+    return aTerm;
+}
+
+OUString Hyphenator::makeUpperCase(const OUString& aTerm, CharClass const * pCC)
+{
+    if (pCC)
+        return pCC->uppercase(aTerm);
+    return aTerm;
+}
+
+OUString Hyphenator::makeInitCap(const OUString& aTerm, CharClass const * pCC)
+{
+    sal_Int32 tlen = aTerm.getLength();
+    if (pCC && tlen)
+    {
+        OUString bTemp = aTerm.copy(0,1);
+        if (tlen > 1)
+            return ( pCC->uppercase(bTemp, 0, 1) + pCC->lowercase(aTerm,1,(tlen-1)) );
+
+        return pCC->uppercase(bTemp, 0, 1);
+    }
+    return aTerm;
+}
+
+sal_Bool SAL_CALL Hyphenator::addLinguServiceEventListener(
+        const Reference< XLinguServiceEventListener >& rxLstnr )
+{
+    MutexGuard  aGuard( GetLinguMutex() );
+
+    bool bRes = false;
+    if (!bDisposing && rxLstnr.is())
+    {
+        bRes = GetPropHelper().addLinguServiceEventListener( rxLstnr );
+    }
+    return bRes;
+}
+
+sal_Bool SAL_CALL Hyphenator::removeLinguServiceEventListener(
+        const Reference< XLinguServiceEventListener >& rxLstnr )
+{
+    MutexGuard  aGuard( GetLinguMutex() );
+
+    bool bRes = false;
+    if (!bDisposing && rxLstnr.is())
+    {
+        bRes = GetPropHelper().removeLinguServiceEventListener( rxLstnr );
+    }
+    return bRes;
+}
+
+OUString SAL_CALL Hyphenator::getServiceDisplayName(const Locale& rLocale)
+{
+    std::locale loc(Translate::Create("svt", LanguageTag(rLocale)));
+    return Translate::get(STR_DESCRIPTION_LIBHYPHEN, loc);
+}
+
+void SAL_CALL Hyphenator::initialize( const Sequence< Any >& rArguments )
+{
+    MutexGuard  aGuard( GetLinguMutex() );
+
+    if (pPropHelper)
+        return;
+
+    sal_Int32 nLen = rArguments.getLength();
+    if (2 == nLen)
+    {
+        Reference< XLinguProperties >   xPropSet;
+        rArguments.getConstArray()[0] >>= xPropSet;
+        // rArguments.getConstArray()[1] >>= xDicList;
+
+        //! Pointer allows for access of the non-UNO functions.
+        //! And the reference to the UNO-functions while increasing
+        //! the ref-count and will implicitly free the memory
+        //! when the object is no longer used.
+        pPropHelper.reset( new PropertyHelper_Hyphenation( static_cast<XHyphenator *>(this), xPropSet ) );
+        pPropHelper->AddAsPropListener();   //! after a reference is established
+    }
+    else {
+        OSL_FAIL( "wrong number of arguments in sequence" );
+    }
+}
+
+void SAL_CALL Hyphenator::dispose()
+{
+    MutexGuard  aGuard( GetLinguMutex() );
+
+    if (!bDisposing)
+    {
+        bDisposing = true;
+        EventObject aEvtObj( static_cast<XHyphenator *>(this) );
+        aEvtListeners.disposeAndClear( aEvtObj );
+        if (pPropHelper)
+        {
+            pPropHelper->RemoveAsPropListener();
+            pPropHelper.reset();
+        }
+    }
+}
+
+void SAL_CALL Hyphenator::addEventListener( const Reference< XEventListener >& rxListener )
+{
+    MutexGuard  aGuard( GetLinguMutex() );
+
+    if (!bDisposing && rxListener.is())
+        aEvtListeners.addInterface( rxListener );
+}
+
+void SAL_CALL Hyphenator::removeEventListener( const Reference< XEventListener >& rxListener )
+{
+    MutexGuard  aGuard( GetLinguMutex() );
+
+    if (!bDisposing && rxListener.is())
+        aEvtListeners.removeInterface( rxListener );
+}
+
+// Service specific part
+OUString SAL_CALL Hyphenator::getImplementationName()
+{
+    return "org.openoffice.lingu.LibHnjHyphenator";
+}
+
+sal_Bool SAL_CALL Hyphenator::supportsService( const OUString& ServiceName )
+{
+    return cppu::supportsService(this, ServiceName);
+}
+
+Sequence< OUString > SAL_CALL Hyphenator::getSupportedServiceNames()
+{
+    return { SN_HYPHENATOR };
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+lingucomponent_Hyphenator_get_implementation(
+    css::uno::XComponentContext* , css::uno::Sequence<css::uno::Any> const&)
+{
+    return cppu::acquire(new Hyphenator());
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/lingucomponent/source/hyphenator/hyphen/hyphenimp.hxx b/lingucomponent/source/hyphenator/hyphen/hyphenimp.hxx
new file mode 100644
index 000000000..45ebca112
--- /dev/null
+++ b/lingucomponent/source/hyphenator/hyphen/hyphenimp.hxx
@@ -0,0 +1,126 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_LINGUCOMPONENT_SOURCE_HYPHENATOR_HYPHEN_HYPHENIMP_HXX
+#define INCLUDED_LINGUCOMPONENT_SOURCE_HYPHENATOR_HYPHEN_HYPHENIMP_HXX
+
+#include <comphelper/interfacecontainer3.hxx>
+#include <cppuhelper/implbase.hxx>
+#include <com/sun/star/lang/XComponent.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/lang/XServiceDisplayName.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/beans/PropertyValues.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/linguistic2/XHyphenator.hpp>
+#include <com/sun/star/linguistic2/XLinguServiceEventBroadcaster.hpp>
+
+#include <unotools/charclass.hxx>
+
+#include <linguistic/misc.hxx>
+#include <linguistic/lngprophelp.hxx>
+
+#include <lingutil.hxx>
+#include <stdio.h>
+
+#include <hyphen.h>
+
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::beans;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::linguistic2;
+
+struct HDInfo {
+  HyphenDict *     aPtr;
+  OUString         aName;
+  Locale           aLoc;
+  rtl_TextEncoding eEnc;
+  std::unique_ptr<CharClass> apCC;
+};
+
+class Hyphenator :
+    public cppu::WeakImplHelper
+    <
+        XHyphenator,
+        XLinguServiceEventBroadcaster,
+        XInitialization,
+        XComponent,
+        XServiceInfo,
+        XServiceDisplayName
+    >
+{
+    Sequence< Locale >                      aSuppLocales;
+    std::vector< HDInfo >                   mvDicts;
+
+    ::comphelper::OInterfaceContainerHelper3<XEventListener> aEvtListeners;
+    std::unique_ptr<linguistic::PropertyHelper_Hyphenation> pPropHelper;
+    bool                                    bDisposing;
+
+    Hyphenator(const Hyphenator &) = delete;
+    Hyphenator & operator = (const Hyphenator &) = delete;
+
+    linguistic::PropertyHelper_Hyphenation& GetPropHelper_Impl();
+    linguistic::PropertyHelper_Hyphenation& GetPropHelper()
+    {
+        return pPropHelper ? *pPropHelper : GetPropHelper_Impl();
+    }
+
+public:
+    Hyphenator();
+
+    virtual ~Hyphenator() override;
+
+    // XSupportedLocales (for XHyphenator)
+    virtual Sequence< Locale > SAL_CALL getLocales() override;
+    virtual sal_Bool SAL_CALL hasLocale( const Locale& rLocale ) override;
+
+    // XHyphenator
+    virtual css::uno::Reference< css::linguistic2::XHyphenatedWord > SAL_CALL hyphenate( const OUString& aWord, const css::lang::Locale& aLocale, sal_Int16 nMaxLeading, const css::uno::Sequence< css::beans::PropertyValue >& aProperties ) override;
+    virtual css::uno::Reference< css::linguistic2::XHyphenatedWord > SAL_CALL queryAlternativeSpelling( const OUString& aWord, const css::lang::Locale& aLocale, sal_Int16 nIndex, const css::uno::Sequence< css::beans::PropertyValue >& aProperties ) override;
+    virtual css::uno::Reference< css::linguistic2::XPossibleHyphens > SAL_CALL createPossibleHyphens( const OUString& aWord, const css::lang::Locale& aLocale, const css::uno::Sequence< css::beans::PropertyValue >& aProperties ) override;
+
+    // XLinguServiceEventBroadcaster
+    virtual sal_Bool SAL_CALL addLinguServiceEventListener( const Reference< XLinguServiceEventListener >& rxLstnr ) override;
+    virtual sal_Bool SAL_CALL removeLinguServiceEventListener( const Reference< XLinguServiceEventListener >& rxLstnr ) override;
+
+    // XServiceDisplayName
+    virtual OUString SAL_CALL getServiceDisplayName( const Locale& rLocale ) override;
+
+    // XInitialization
+    virtual void SAL_CALL initialize( const Sequence< Any >& rArguments ) override;
+
+    // XComponent
+    virtual void SAL_CALL dispose() override;
+    virtual void SAL_CALL addEventListener( const Reference< XEventListener >& rxListener ) override;
+    virtual void SAL_CALL removeEventListener( const Reference< XEventListener >& rxListener ) override;
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName() override;
+    virtual sal_Bool SAL_CALL supportsService( const OUString& rServiceName ) override;
+    virtual Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+private:
+        static OUString makeLowerCase(const OUString&, CharClass const *);
+        static OUString makeUpperCase(const OUString&, CharClass const *);
+        static OUString makeInitCap(const OUString&, CharClass const *);
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */