Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

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

6 files changed, 883 insertions, 0 deletions

diff --git a/lingucomponent/source/languageguessing/guess.cxx b/lingucomponent/source/languageguessing/guess.cxx
new file mode 100644
index 000000000..45700ff7d
--- /dev/null
+++ b/lingucomponent/source/languageguessing/guess.cxx
@@ -0,0 +1,103 @@
+/* -*- 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 <sal/config.h>
+
+#include <cassert>
+#include <iostream>
+#include <string.h>
+
+#ifdef SYSTEM_LIBEXTTEXTCAT
+#include <libexttextcat/textcat.h>
+#else
+#include <textcat.h>
+#endif
+
+#include "guess.hxx"
+
+/* Old textcat.h versions defined bad spelled constants. */
+#ifndef TEXTCAT_RESULT_UNKNOWN_STR
+#define TEXTCAT_RESULT_UNKNOWN_STR _TEXTCAT_RESULT_UNKOWN
+#endif
+
+#ifndef TEXTCAT_RESULT_SHORT_STR
+#define TEXTCAT_RESULT_SHORT_STR _TEXTCAT_RESULT_SHORT
+#endif
+
+using namespace std;
+
+Guess::Guess()
+    : language_str(DEFAULT_LANGUAGE)
+    , country_str(DEFAULT_COUNTRY)
+{
+}
+
+/*
+* this use a char * string to build the guess object
+* a string like those is made as : [language-country-encoding]...
+*
+*/
+Guess::Guess(const char * guess_str)
+    : language_str(DEFAULT_LANGUAGE)
+    , country_str(DEFAULT_COUNTRY)
+{
+    //if the guess is not like "UNKNOWN" or "SHORT", go into the brackets
+    if(strcmp(guess_str + 1, TEXTCAT_RESULT_UNKNOWN_STR) == 0
+       || strcmp(guess_str + 1, TEXTCAT_RESULT_SHORT_STR) == 0)
+        return;
+
+    // From how this ctor is called from SimpleGuesser::GuessLanguage and
+    // SimpleGuesser::GetManagedLanguages in
+    // lingucomponent/source/languageguessing/simpleguesser.cxx, guess_str must start with "[":
+    assert(guess_str[0] == GUESS_SEPARATOR_OPEN);
+    auto const start = guess_str + 1;
+    // Only look at the prefix of guess_str, delimited by the next "]" or "[" or end-of-string;
+    // split it into at most three segments separated by "-" (where excess occurrences of "-"
+    // would become part of the third segment), like "en-US-utf8"; the first segment denotes the
+    // language; if there are three segments, the second denotes the country and the third the
+    // encoding; otherwise, the second segment, if any (e.g., in "haw-utf8"), denotes the
+    // encoding:
+    char const * dash1 = nullptr;
+    char const * dash2 = nullptr;
+    auto p = start;
+    for (;; ++p) {
+        auto const c = *p;
+        if (c == '\0' || c == GUESS_SEPARATOR_OPEN || c == GUESS_SEPARATOR_CLOSE) {
+            break;
+        }
+        if (c == GUESS_SEPARATOR_SEP) {
+            if (dash1 == nullptr) {
+                dash1 = p;
+            } else {
+                dash2 = p;
+                // The encoding is ignored, so we can stop as soon as we found the second "-":
+                break;
+            }
+        }
+    }
+    auto const langLen = (dash1 == nullptr ? p : dash1) - start;
+    if (langLen != 0) { // if not we use the default value
+        language_str.assign(start, langLen);
+    }
+    if (dash2 != nullptr) {
+        country_str.assign(dash1 + 1, dash2 - (dash1 + 1));
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/lingucomponent/source/languageguessing/guess.hxx b/lingucomponent/source/languageguessing/guess.hxx
new file mode 100644
index 000000000..e68d852a5
--- /dev/null
+++ b/lingucomponent/source/languageguessing/guess.hxx
@@ -0,0 +1,56 @@
+/* -*- 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_LANGUAGEGUESSING_GUESS_HXX
+#define INCLUDED_LINGUCOMPONENT_SOURCE_LANGUAGEGUESSING_GUESS_HXX
+
+#define GUESS_SEPARATOR_OPEN     '['
+#define GUESS_SEPARATOR_CLOSE    ']'
+#define GUESS_SEPARATOR_SEP      '-'
+#define DEFAULT_LANGUAGE         ""
+#define DEFAULT_COUNTRY          ""
+#define DEFAULT_ENCODING         ""
+
+#include <string>
+
+using namespace std;
+
+class Guess final {
+    public:
+
+        /**
+         * Default init
+         */
+        Guess();
+
+        /**
+         * Init from a string like [en-UK-utf8] and the rank
+         */
+        Guess(const char * guess_str);
+
+        const string& GetLanguage() const { return language_str;}
+        const string& GetCountry() const { return country_str;}
+
+    private:
+        string language_str;
+        string country_str;
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/lingucomponent/source/languageguessing/guesslang.component b/lingucomponent/source/languageguessing/guesslang.component
new file mode 100644
index 000000000..8e2f2c001
--- /dev/null
+++ b/lingucomponent/source/languageguessing/guesslang.component
@@ -0,0 +1,25 @@
+<?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@"
+    prefix="guesslang" xmlns="http://openoffice.org/2010/uno-components">
+  <implementation name="com.sun.star.lingu2.LanguageGuessing">
+    <service name="com.sun.star.linguistic2.LanguageGuessing"/>
+  </implementation>
+</component>
diff --git a/lingucomponent/source/languageguessing/guesslang.cxx b/lingucomponent/source/languageguessing/guesslang.cxx
new file mode 100644
index 000000000..7e9d1999b
--- /dev/null
+++ b/lingucomponent/source/languageguessing/guesslang.cxx
@@ -0,0 +1,360 @@
+/* -*- 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 <iostream>
+
+#include <osl/file.hxx>
+#include <tools/debug.hxx>
+
+#include <sal/config.h>
+#include <cppuhelper/factory.hxx>
+#include <cppuhelper/implementationentry.hxx>
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+
+#include "simpleguesser.hxx"
+#include "guess.hxx"
+
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/linguistic2/XLanguageGuessing.hpp>
+#include <unotools/pathoptions.hxx>
+#include <osl/thread.h>
+
+#include <sal/macros.h>
+
+#ifdef SYSTEM_LIBEXTTEXTCAT
+#include <libexttextcat/textcat.h>
+#else
+#include <textcat.h>
+#endif
+
+using namespace ::osl;
+using namespace ::cppu;
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::linguistic2;
+
+#define SERVICENAME     "com.sun.star.linguistic2.LanguageGuessing"
+#define IMPLNAME        "com.sun.star.lingu2.LanguageGuessing"
+
+static Sequence< OUString > getSupportedServiceNames_LangGuess_Impl()
+{
+    Sequence<OUString> names { SERVICENAME };
+    return names;
+}
+
+static OUString getImplementationName_LangGuess_Impl()
+{
+    return IMPLNAME;
+}
+
+static osl::Mutex &  GetLangGuessMutex()
+{
+    static osl::Mutex aMutex;
+    return aMutex;
+}
+
+namespace {
+
+class LangGuess_Impl :
+    public ::cppu::WeakImplHelper<
+        XLanguageGuessing,
+        XServiceInfo >
+{
+    SimpleGuesser   m_aGuesser;
+    bool            m_bInitialized;
+
+    virtual ~LangGuess_Impl() override {}
+    void    EnsureInitialized();
+
+public:
+    LangGuess_Impl();
+    LangGuess_Impl(const LangGuess_Impl&) = delete;
+    LangGuess_Impl& operator=(const LangGuess_Impl&) = delete;
+
+    // XServiceInfo implementation
+    virtual OUString SAL_CALL getImplementationName(  ) override;
+    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+    virtual Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;
+
+    // XLanguageGuessing implementation
+    virtual css::lang::Locale SAL_CALL guessPrimaryLanguage( const OUString& aText, ::sal_Int32 nStartPos, ::sal_Int32 nLen ) override;
+    virtual void SAL_CALL disableLanguages( const css::uno::Sequence< css::lang::Locale >& aLanguages ) override;
+    virtual void SAL_CALL enableLanguages( const css::uno::Sequence< css::lang::Locale >& aLanguages ) override;
+    virtual css::uno::Sequence< css::lang::Locale > SAL_CALL getAvailableLanguages(  ) override;
+    virtual css::uno::Sequence< css::lang::Locale > SAL_CALL getEnabledLanguages(  ) override;
+    virtual css::uno::Sequence< css::lang::Locale > SAL_CALL getDisabledLanguages(  ) override;
+
+    // implementation specific
+    /// @throws RuntimeException
+    void SetFingerPrintsDB( const OUString &fileName );
+};
+
+}
+
+LangGuess_Impl::LangGuess_Impl() :
+    m_bInitialized( false )
+{
+}
+
+void LangGuess_Impl::EnsureInitialized()
+{
+    if (m_bInitialized)
+        return;
+
+    // set this to true at the very start to prevent loops because of
+    // implicitly called functions below
+    m_bInitialized = true;
+
+    // set default fingerprint path to where those get installed
+    OUString aPhysPath;
+    OUString aURL( SvtPathOptions().GetFingerprintPath() );
+    osl::FileBase::getSystemPathFromFileURL( aURL, aPhysPath );
+#ifdef _WIN32
+    aPhysPath += "\\";
+#else
+    aPhysPath += "/";
+#endif
+
+    SetFingerPrintsDB( aPhysPath );
+
+#if !defined(EXTTEXTCAT_VERSION_MAJOR)
+
+    // disable currently not functional languages...
+    struct LangCountry
+    {
+        const char *pLang;
+        const char *pCountry;
+    };
+    LangCountry aDisable[] =
+    {
+        // not functional in modified libtextcat, but fixed in >= libexttextcat 3.1.0
+        // which is the first with EXTTEXTCAT_VERSION_MAJOR defined
+        {"sco", ""}, {"zh", "CN"}, {"zh", "TW"}, {"ja", ""}, {"ko", ""},
+        {"ka", ""}, {"hi", ""}, {"mr", ""}, {"ne", ""}, {"sa", ""},
+        {"ta", ""}, {"th", ""}, {"qu", ""}, {"yi", ""}
+    };
+    sal_Int32 nNum = SAL_N_ELEMENTS(aDisable);
+    Sequence< Locale > aDisableSeq( nNum );
+    Locale *pDisableSeq = aDisableSeq.getArray();
+    for (sal_Int32 i = 0;  i < nNum;  ++i)
+    {
+        Locale aLocale;
+        aLocale.Language = OUString::createFromAscii( aDisable[i].pLang );
+        aLocale.Country  = OUString::createFromAscii( aDisable[i].pCountry );
+        pDisableSeq[i] = aLocale;
+    }
+    disableLanguages( aDisableSeq );
+    DBG_ASSERT( nNum == getDisabledLanguages().getLength(), "size mismatch" );
+#endif
+}
+
+Locale SAL_CALL LangGuess_Impl::guessPrimaryLanguage(
+        const OUString& rText,
+        ::sal_Int32 nStartPos,
+        ::sal_Int32 nLen )
+{
+    osl::MutexGuard aGuard( GetLangGuessMutex() );
+
+    EnsureInitialized();
+
+    if (nStartPos < 0 || nLen < 0 || nStartPos + nLen > rText.getLength())
+        throw lang::IllegalArgumentException();
+
+    OString o( OUStringToOString( rText.copy(nStartPos, nLen), RTL_TEXTENCODING_UTF8 ) );
+    Guess g = m_aGuesser.GuessPrimaryLanguage(o.getStr());
+    lang::Locale aRes;
+    aRes.Language   = OUString::createFromAscii( g.GetLanguage().c_str() );
+    aRes.Country    = OUString::createFromAscii( g.GetCountry().c_str() );
+    return aRes;
+}
+
+#define DEFAULT_CONF_FILE_NAME "fpdb.conf"
+
+void LangGuess_Impl::SetFingerPrintsDB(
+        const OUString &filePath )
+{
+    //! text encoding for file name / path needs to be in the same encoding the OS uses
+    OString path = OUStringToOString( filePath, osl_getThreadTextEncoding() );
+    OString conf_file_path = path + DEFAULT_CONF_FILE_NAME;
+
+    m_aGuesser.SetDBPath(conf_file_path.getStr(), path.getStr());
+}
+
+uno::Sequence< Locale > SAL_CALL LangGuess_Impl::getAvailableLanguages(  )
+{
+    osl::MutexGuard aGuard( GetLangGuessMutex() );
+
+    EnsureInitialized();
+
+    Sequence< css::lang::Locale > aRes;
+    vector<Guess> gs = m_aGuesser.GetAllManagedLanguages();
+    aRes.realloc(gs.size());
+
+    css::lang::Locale *pRes = aRes.getArray();
+
+    for(size_t i = 0; i < gs.size() ; i++ ){
+        css::lang::Locale current_aRes;
+        current_aRes.Language   = OUString::createFromAscii( gs[i].GetLanguage().c_str() );
+        current_aRes.Country    = OUString::createFromAscii( gs[i].GetCountry().c_str() );
+        pRes[i] = current_aRes;
+    }
+
+    return aRes;
+}
+
+uno::Sequence< Locale > SAL_CALL LangGuess_Impl::getEnabledLanguages(  )
+{
+    osl::MutexGuard aGuard( GetLangGuessMutex() );
+
+    EnsureInitialized();
+
+    Sequence< css::lang::Locale > aRes;
+    vector<Guess> gs = m_aGuesser.GetAvailableLanguages();
+    aRes.realloc(gs.size());
+
+    css::lang::Locale *pRes = aRes.getArray();
+
+    for(size_t i = 0; i < gs.size() ; i++ ){
+        css::lang::Locale current_aRes;
+        current_aRes.Language   = OUString::createFromAscii( gs[i].GetLanguage().c_str() );
+        current_aRes.Country    = OUString::createFromAscii( gs[i].GetCountry().c_str() );
+        pRes[i] = current_aRes;
+    }
+
+    return aRes;
+}
+
+uno::Sequence< Locale > SAL_CALL LangGuess_Impl::getDisabledLanguages(  )
+{
+    osl::MutexGuard aGuard( GetLangGuessMutex() );
+
+    EnsureInitialized();
+
+    Sequence< css::lang::Locale > aRes;
+    vector<Guess> gs = m_aGuesser.GetUnavailableLanguages();
+    aRes.realloc(gs.size());
+
+    css::lang::Locale *pRes = aRes.getArray();
+
+    for(size_t i = 0; i < gs.size() ; i++ ){
+        css::lang::Locale current_aRes;
+        current_aRes.Language   = OUString::createFromAscii( gs[i].GetLanguage().c_str() );
+        current_aRes.Country    = OUString::createFromAscii( gs[i].GetCountry().c_str() );
+        pRes[i] = current_aRes;
+    }
+
+    return aRes;
+}
+
+void SAL_CALL LangGuess_Impl::disableLanguages(
+        const uno::Sequence< Locale >& rLanguages )
+{
+    osl::MutexGuard aGuard( GetLangGuessMutex() );
+
+    EnsureInitialized();
+
+    for (const Locale& rLanguage : rLanguages)
+    {
+        string language;
+
+        OString l = OUStringToOString( rLanguage.Language, RTL_TEXTENCODING_ASCII_US );
+        OString c = OUStringToOString( rLanguage.Country, RTL_TEXTENCODING_ASCII_US );
+
+        language += l.getStr();
+        language += "-";
+        language += c.getStr();
+        m_aGuesser.DisableLanguage(language);
+    }
+}
+
+void SAL_CALL LangGuess_Impl::enableLanguages(
+        const uno::Sequence< Locale >& rLanguages )
+{
+    osl::MutexGuard aGuard( GetLangGuessMutex() );
+
+    EnsureInitialized();
+
+    for (const Locale& rLanguage : rLanguages)
+    {
+        string language;
+
+        OString l = OUStringToOString( rLanguage.Language, RTL_TEXTENCODING_ASCII_US );
+        OString c = OUStringToOString( rLanguage.Country, RTL_TEXTENCODING_ASCII_US );
+
+        language += l.getStr();
+        language += "-";
+        language += c.getStr();
+        m_aGuesser.EnableLanguage(language);
+    }
+}
+
+OUString SAL_CALL LangGuess_Impl::getImplementationName(  )
+{
+    return IMPLNAME;
+}
+
+sal_Bool SAL_CALL LangGuess_Impl::supportsService( const OUString& ServiceName )
+{
+    return cppu::supportsService(this, ServiceName);
+}
+
+Sequence<OUString> SAL_CALL LangGuess_Impl::getSupportedServiceNames(  )
+{
+    return { SERVICENAME };
+}
+
+/**
+ * Function to create a new component instance; is needed by factory helper implementation.
+ * @param xMgr service manager to if the components needs other component instances
+ */
+static Reference< XInterface > LangGuess_Impl_create(
+    Reference< XComponentContext > const & )
+{
+    return static_cast< ::cppu::OWeakObject * >( new LangGuess_Impl );
+}
+
+//#### EXPORTED ### functions to allow for registration and creation of the UNO component
+static const struct ::cppu::ImplementationEntry s_component_entries [] =
+{
+    {
+        LangGuess_Impl_create, getImplementationName_LangGuess_Impl,
+        getSupportedServiceNames_LangGuess_Impl,
+        ::cppu::createSingleComponentFactory,
+        nullptr, 0
+    },
+    { nullptr, nullptr, nullptr, nullptr, nullptr, 0 }
+};
+
+extern "C"
+{
+
+SAL_DLLPUBLIC_EXPORT void * guesslang_component_getFactory(
+    char const * implName, void * xMgr,
+    void * xRegistry )
+{
+    return ::cppu::component_getFactoryHelper(
+        implName, xMgr, xRegistry, s_component_entries );
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/lingucomponent/source/languageguessing/simpleguesser.cxx b/lingucomponent/source/languageguessing/simpleguesser.cxx
new file mode 100644
index 000000000..76b3b65c3
--- /dev/null
+++ b/lingucomponent/source/languageguessing/simpleguesser.cxx
@@ -0,0 +1,227 @@
+/* -*- 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 .
+ */
+
+ /**
+  *
+  *
+  *
+  *
+  * TODO
+  * - Add exception throwing when h == NULL
+  * - Not init h when implicit constructor is launched
+  */
+
+#include <string.h>
+#include <sstream>
+#include <iostream>
+
+#ifdef SYSTEM_LIBEXTTEXTCAT
+#include <libexttextcat/textcat.h>
+#include <libexttextcat/common.h>
+#include <libexttextcat/constants.h>
+#include <libexttextcat/fingerprint.h>
+#include <libexttextcat/utf8misc.h>
+#else
+#include <textcat.h>
+#include <common.h>
+#include <constants.h>
+#include <fingerprint.h>
+#include <utf8misc.h>
+#endif
+
+#include <sal/types.h>
+
+#include<rtl/character.hxx>
+#include "simpleguesser.hxx"
+
+using namespace std;
+
+static int startsAsciiCaseInsensitive(const std::string &s1, const std::string &s2){
+            size_t i;
+            int ret = 0;
+
+            size_t min = s1.length();
+            if (min > s2.length())
+                min = s2.length();
+
+            for(i = 0; i < min && s2[i] && s1[i] && !ret; i++){
+                    ret = rtl::toAsciiUpperCase(static_cast<unsigned char>(s1[i]))
+                        -  rtl::toAsciiUpperCase(static_cast<unsigned char>(s2[i]));
+                    if(s1[i] == '.' || s2[i] == '.') {ret = 0;}    //. is a neutral character
+            }
+            return ret;
+ }
+
+namespace {
+
+/**
+ * This following structure is from textcat.c
+ */
+typedef struct textcat_t{
+
+    void **fprint;
+    char *fprint_disable;
+    uint4 size;
+    uint4 maxsize;
+
+    char output[MAXOUTPUTSIZE];
+
+} textcat_t;
+// end of the 3 structs
+
+}
+
+SimpleGuesser::SimpleGuesser()
+{
+    h = nullptr;
+}
+
+SimpleGuesser& SimpleGuesser::operator=(const SimpleGuesser& sg){
+    // Check for self-assignment!
+    if (this == &sg)      // Same object?
+      return *this;       // Yes, so skip assignment, and just return *this.
+
+    if(h){textcat_Done(h);}
+    h = sg.h;
+    return *this;
+}
+
+SimpleGuesser::~SimpleGuesser()
+{
+    if(h){textcat_Done(h);}
+}
+
+/*!
+    \fn SimpleGuesser::GuessLanguage(char* text)
+ */
+vector<Guess> SimpleGuesser::GuessLanguage(const char* text)
+{
+    vector<Guess> guesses;
+
+    if (!h)
+        return guesses;
+
+    int len = strlen(text);
+
+    if (len > MAX_STRING_LENGTH_TO_ANALYSE)
+        len = MAX_STRING_LENGTH_TO_ANALYSE;
+
+    const char *guess_list = textcat_Classify(h, text, len);
+
+    if (strcmp(guess_list, TEXTCAT_RESULT_SHORT_STR) == 0)
+        return guesses;
+
+    int current_pointer = 0;
+
+    for(int i = 0; guess_list[current_pointer] != '\0'; i++)
+    {
+        while (guess_list[current_pointer] != GUESS_SEPARATOR_OPEN && guess_list[current_pointer] != '\0')
+            current_pointer++;
+        if(guess_list[current_pointer] != '\0')
+        {
+            Guess g(guess_list + current_pointer);
+
+            guesses.push_back(g);
+
+            current_pointer++;
+        }
+    }
+
+    return guesses;
+}
+
+Guess SimpleGuesser::GuessPrimaryLanguage(const char* text)
+{
+    vector<Guess> ret = GuessLanguage(text);
+    return ret.empty() ? Guess() : ret[0];
+}
+/**
+ * Is used to know which language is available, unavailable or both
+ * when mask = 0xF0, return only Available
+ * when mask = 0x0F, return only Unavailable
+ * when mask = 0xFF, return both Available and Unavailable
+ */
+vector<Guess> SimpleGuesser::GetManagedLanguages(const char mask)
+{
+    textcat_t *tables = static_cast<textcat_t*>(h);
+
+    vector<Guess> lang;
+    if(!h){return lang;}
+
+    for (size_t i=0; i<tables->size; ++i)
+    {
+        if (tables->fprint_disable[i] & mask)
+        {
+            string langStr = "[";
+            langStr += fp_Name(tables->fprint[i]);
+            Guess g(langStr.c_str());
+            lang.push_back(g);
+        }
+    }
+
+    return lang;
+}
+
+vector<Guess> SimpleGuesser::GetAvailableLanguages()
+{
+    return GetManagedLanguages( sal::static_int_cast< char >( 0xF0 ) );
+}
+
+vector<Guess> SimpleGuesser::GetUnavailableLanguages()
+{
+    return GetManagedLanguages( sal::static_int_cast< char >( 0x0F ));
+}
+
+vector<Guess> SimpleGuesser::GetAllManagedLanguages()
+{
+    return GetManagedLanguages( sal::static_int_cast< char >( 0xFF ));
+}
+
+void SimpleGuesser::XableLanguage(const string& lang, char mask)
+{
+    textcat_t *tables = static_cast<textcat_t*>(h);
+
+    if(!h){return;}
+
+    for (size_t i=0; i<tables->size; i++)
+    {
+        string language(fp_Name(tables->fprint[i]));
+        if (startsAsciiCaseInsensitive(language,lang) == 0)
+            tables->fprint_disable[i] = mask;
+    }
+}
+
+void SimpleGuesser::EnableLanguage(const string& lang)
+{
+    XableLanguage(lang,  sal::static_int_cast< char >( 0xF0 ));
+}
+
+void SimpleGuesser::DisableLanguage(const string& lang)
+{
+    XableLanguage(lang,  sal::static_int_cast< char >( 0x0F ));
+}
+
+void SimpleGuesser::SetDBPath(const char* path, const char* prefix)
+{
+    if (h)
+        textcat_Done(h);
+    h = special_textcat_Init(path, prefix);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/lingucomponent/source/languageguessing/simpleguesser.hxx b/lingucomponent/source/languageguessing/simpleguesser.hxx
new file mode 100644
index 000000000..34abf26d4
--- /dev/null
+++ b/lingucomponent/source/languageguessing/simpleguesser.hxx
@@ -0,0 +1,112 @@
+/* -*- 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_LANGUAGEGUESSING_SIMPLEGUESSER_HXX
+#define INCLUDED_LINGUCOMPONENT_SOURCE_LANGUAGEGUESSING_SIMPLEGUESSER_HXX
+
+#include <string.h>
+#include <string>
+#include <cstdlib>
+#include <vector>
+#include "guess.hxx"
+
+#define MAX_STRING_LENGTH_TO_ANALYSE 200
+
+using namespace std;
+
+class SimpleGuesser final {
+public:
+    /**inits the object with conf file "./conf.txt"*/
+    SimpleGuesser();
+
+    /**
+     * @param SimpleGuesser& sg the other guesser
+     */
+    SimpleGuesser& operator=(const SimpleGuesser& sg);
+
+    /**
+     * destroy the object
+     */
+    ~SimpleGuesser();
+
+    /**
+     * Analyze a text and return the most probable languages of the text
+     * @param char* text is the text to analyze
+     * @return the list of guess
+     */
+    vector<Guess> GuessLanguage(const char* text);
+
+    /**
+     * Analyze a text and return the most probable language of the text
+     * @param char* text is the text to analyze
+     * @return the guess (containing language)
+     */
+    Guess GuessPrimaryLanguage(const char* text);
+
+    /**
+     * List all available languages (possibly to be in guesses)
+     * @return the list of languages
+     */
+    vector<Guess> GetAvailableLanguages();
+
+    /**
+     * List all languages (possibly in guesses or not)
+     * @return the list of languages
+     */
+    vector<Guess> GetAllManagedLanguages();
+
+    /**
+     * List all Unavailable languages (disable for any reason)
+     * @return the list of languages
+     */
+    vector<Guess> GetUnavailableLanguages();
+
+    /**
+     * Mark a language enabled
+     * @param string lang the language to enable (build like language-COUNTRY-encoding)
+     */
+    void EnableLanguage(const string& lang);
+
+    /**
+     * Mark a language disabled
+     * @param string lang the language to disable (build like language-COUNTRY-encoding)
+     */
+    void DisableLanguage(const string& lang);
+
+    /**
+     * Load a new DB of fingerprints
+     * @param const char* thePathOfConfFile self explaining
+     * @param const char* prefix is the path where the directory which contains fingerprint files is stored
+    */
+    void SetDBPath(const char* thePathOfConfFile, const char* prefix);
+
+private:
+
+    //Where typical fingerprints (n-gram tables) are stored
+    void* h;
+
+    //Is used to select languages into the fingerprints DB, the mask is used to indicate if we want enabled disabled or both
+    vector<Guess> GetManagedLanguages(const char mask);
+
+    //Like getManagedLanguages, this function enable or disable a language and it depends of the mask
+    void XableLanguage(const string& lang, char mask);
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */