/****************************************************************************

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbCore module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** This file may be used under the terms of the GNU Lesser General Public

** License version 2.1 as published by the Free Software Foundation and

** appearing in the file LICENSE.LGPL included in the packaging of this file.

** Please review the following information to ensure the GNU Lesser General

** Public License version 2.1 requirements will be met:

** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

****************************************************************************/

#include "hbtextresolversymbian.h"

#include <hbsymbianvariant.h>

#include <e32des16.h>

#include <QByteArray>

#include <QTranslator>

#include <QString>

#include <QDebug>

#include <QFile>

#include <QTextStream>

    {

public:

    HbTextResolverSymbianPrivate();    

    virtual ~HbTextResolverSymbianPrivate();

    static HbTextResolverSymbianPrivate* Instance();

    TBool LoadTranslationFile();

    TBool Initialize(const TDesC& aFilename, const TDesC& aPath);

    HBufC* LoadLC(const TDesC& aMessageId, TInt aPlural); // Simple string. + %n message(s). Plural and replaces all occurrences of %n in the string.

    HBufC* LoadLC(const TDesC& aMessageId, const TDesC& aString, TInt aPlural); // One and %1. %n and %1. Plural and replaces all occurrences of %n in the string.

    HBufC* LoadLC(const TDesC& aMessageId, const MDesCArray& aStrings, TInt aPlural);

    HBufC* LoadLC(const TDesC& aMessageId, TInt aInt, TInt aPlural);

    QString ConvertToQString(const TDesC& aMessageId, TInt aPlural = -1);

    QTranslator iTranslator;

    QByteArray iByteArray;

    TBool iLoaded; 

    QString fileName;

    };

Q_GLOBAL_STATIC(HbTextResolverSymbianPrivate, hbTextResolverSymbianPrivate)

HbTextResolverSymbianPrivate* HbTextResolverSymbianPrivate::Instance()

    {

    HbTextResolverSymbianPrivate* resolver = hbTextResolverSymbianPrivate();

    }

static void replacePercentN(QString *result, int n)

{

    if (n >= 0) {

        int percentPos = 0;

        int len = 0;

        while ((percentPos = result->indexOf(QLatin1Char('%'), percentPos + len)) != -1) {

            len = 1;

            QString fmt;

            if (result->at(percentPos + len) == QLatin1Char('L')) {

                ++len;

                fmt = QLatin1String("%L1");

            } else {

                fmt = QLatin1String("%1");

            }

            if (result->at(percentPos + len) == QLatin1Char('n')) {

                fmt = fmt.arg(n);

                ++len;

                result->replace(percentPos, len, fmt);

                len = fmt.length();

            }

        }

    }

}

HbTextResolverSymbianPrivate::HbTextResolverSymbianPrivate()

    }

HbTextResolverSymbianPrivate::~HbTextResolverSymbianPrivate()

    {

    }

TBool HbTextResolverSymbianPrivate::LoadTranslationFile()

    {

TBool HbTextResolverSymbianPrivate::Initialize(const TDesC& aFilename, const TDesC& aPath)

    {

    fileName = QString::fromUtf16(aFilename.Ptr(), aFilename.Length());

    path = QString::fromUtf16(aPath.Ptr(), aPath.Length());

    }

HBufC* HbTextResolverSymbianPrivate::LoadLC(const TDesC& aMessageId, TInt aPlural)

    {

    QString string = ConvertToQString(aMessageId, aPlural);

    TPtrC descriptor(static_cast<const TUint16*>(string.utf16()),

                    string.length());

    return descriptor.AllocLC();

    }

HBufC* HbTextResolverSymbianPrivate::LoadLC(const TDesC& aMessageId, const TDesC& aString, TInt aPlural)

    {

    QString string = ConvertToQString(aMessageId, aPlural);

    QString result = ConvertToQString(aString);

    if (result.isEmpty())

        {

        result = QString::fromUtf16(aString.Ptr(), aString.Length());

        }

    TPtrC descriptor(static_cast<const TUint16*>(string.utf16()),

                    string.length());

    }

HBufC* HbTextResolverSymbianPrivate::LoadLC(const TDesC& aMessageId, const MDesCArray& aStrings, TInt aPlural)

    {

    QString string = ConvertToQString(aMessageId, aPlural);

    QString tmp;

    for (int i(0); i < aStrings.MdcaCount(); i++)

        {

        TPtrC ptr = aStrings.MdcaPoint(i);

        tmp = ConvertToQString(ptr);

        if (tmp.isEmpty() == 0)

            {

            tmp = QString::fromUtf16(ptr.Ptr(), ptr.Length());

        string = string.arg(tmp);

    TPtrC descriptor(static_cast<const TUint16*>(string.utf16()),

                    string.length());

    return descriptor.AllocLC();

    }

HBufC* HbTextResolverSymbianPrivate::LoadLC(const TDesC& aMessageId, TInt aInt, TInt aPlural)

    {

    string = string.arg(aInt); 

    TPtrC descriptor(static_cast<const TUint16*>(string.utf16()),

                    string.length());

    return descriptor.AllocLC(); 

HBufC* HbTextResolverSymbianPrivate::LoadLC(const TDesC& aMessageId, const RArray<TInt>& aInts, TInt aPlural)

    {

    QString string = ConvertToQString(aMessageId, aPlural);

    for (int i(0); i < aInts.Count(); i++)

        string = string.arg(aInts[i]);

    TPtrC descriptor(static_cast<const TUint16*>(string.utf16()),

                    string.length());

    return descriptor.AllocLC();

    }

QString HbTextResolverSymbianPrivate::ConvertToQString(const TDesC& aMessageId, TInt aPlural)

    QString result = QString::fromUtf16(aMessageId.Ptr(), aMessageId.Length());

    iByteArray = result.toLatin1();

    QString string;

    if (aPlural == -1)

        }

    else

        {

        string = iTranslator.translate(0, tmp, 0, aPlural);

        }

        {

        string = result;

        }

    replacePercentN(&string, aPlural);

    return string;

    }

/*!

    \class HbTextResolverSymbian

    \brief HbTextResolverSymbian implements translation support for Symbian OS applications.

    is meant to be used only by pure Symbian OS applications. Dynamic strings and plurals are

    also supported. 

    \code

    _LIT(KPath, "c:\\resource");

    \endcode

    Translating a string given the snippet from a translation file (.ts) below:

    \code

    <message id="text_test">

        <source>Test</source>

        <translation>Text test</translation>

    </message>

    _LIT(KTextTest, "text_test");

    // returns the string "Text test"

    HBufC* tmp = HbTextResolverSymbian::LoadL(KTextTest);

    \endcode

    Translating a string with replacement string given the snippet from a translation

    file below:

    \code

    <message id="text_test2">

        <source>Test2</source>

        <translation>Test2 %1</translation>

    </message>

    _LIT(KTextTest2, "text_test2");

    _LIT(KTextTestReplace,"passed.");

    // returns the string "Test2 passed." 

    HBufC* tmp = HbTextResolverSymbian::LoadL(KTextTest2, KTextTestReplace);

    \endcode

    Translating a string with replacement strings given the snippet from a translation

    file below:

    \code

    <message id="text_test3">

        <source>Test3</source>

        <translation>Test3 %1 %2</translation>

    </message>

    _LIT(KTextTest3, "text_test3");

    _LIT(KTextTest3Replace1,"is");

    _LIT(KTextTest3Replace2,"passed.");

    CDesC16ArrayFlat* array = new CDesC16ArrayFlat(8);

    TBufC<20> buffer;

    buffer = KTextTest3Replace1;

    array->AppendL(buffer);

    buffer = KTextTest3Replace2;

    array->AppendL(buffer);

    // returns the string "Test3 is passed."

    HBufC* tmp = HbTextResolverSymbian::LoadL(KTextTest3, *array);

   Translating a string with replacement integer given the snippet from a translation

   file below:

   \code

    </message>

        <message id="text_test4" numerus="yes">

        <source>Test4</source>

        <translation>

        <numerusform>%n message of %1</numerusform>

        <numerusform>%n messages of %1</numerusform>

        </translation>

    </message>

    _LIT(KTextTest4, "text_test4");

    // returns the string "1 message of 5"

    HBufC* tmp = HbTextResolverSymbian::LoadL(KTextTest4, 5, 1);

    tmp = HbTextResolverSymbian::LoadL(KTextTest4, 5, 2);

    \endcode

    Translating a string with replacement integers given the snippet from a translation

    file below:

    \code

    <message id="text_test3">

        <source>Test3</source>

        <translation>Test3 %1 %2</translation>

    </message>

    RArray<TInt> intarray;

    intarray.Append(20);

    intarray.Append(30);

    HBufC* tmp = HbTextResolverSymbian::LoadL(KTextTest3, intarray, 1);

    \endcode

    \stable

    \hbcore

*/

/*!

    \param aPath specifies path to translation file.

*/

EXPORT_C TBool HbTextResolverSymbian::Init(const TDesC& aFilename, const TDesC& aPath)

    {

    HbTextResolverSymbianPrivate* resolver = HbTextResolverSymbianPrivate::Instance();

    return resolver->Initialize(aFilename, aPath);

/*!

    \param aMessageId Identifier of the string to be translated.

*/

EXPORT_C HBufC* HbTextResolverSymbian::LoadL(const TDesC& aMessageId, TInt aPlural)

    {

    HBufC* buf = resolver->LoadLC(aMessageId, aPlural);

    return buf;

    }

/*!

    If \a aPlural is equal to zero or greater, then translation depending on the value

    is returned. Returns a pointer to a heap descriptor containing the formatted string.

    If the string for passed \a aMessageId or \a aString is not found from the translation

    \param aMessageId Identifier of the string to be translated.

    \param aString Replacement string for the lowest %N.

EXPORT_C HBufC* HbTextResolverSymbian::LoadL(const TDesC& aMessageId, const TDesC& aString, TInt aPlural)

    {

    HbTextResolverSymbianPrivate* resolver = HbTextResolverSymbianPrivate::Instance();

    HBufC* buf = resolver->LoadLC(aMessageId, aString, aPlural);

/*!

    If \a aPlural is equal to zero or greater, then translation depending on the value

    is returned. Returns a pointer to a heap descriptor containing the formatted string.

    If the string for passed \a aMessageId or \a aStrings are not found from the translation

    \param aMessageId Identifier of the string to be translated.

    \param aStrings Replacement strings for the place markers.

*/          

EXPORT_C HBufC* HbTextResolverSymbian::LoadL(const TDesC& aMessageId, const MDesCArray& aStrings, TInt aPlural)

    {

    HbTextResolverSymbianPrivate* resolver = HbTextResolverSymbianPrivate::Instance();

    HBufC* buf = resolver->LoadLC(aMessageId, aStrings, aPlural);

    CleanupStack::Pop(buf);

    return buf; 

    }

/*!

    If \a aPlural is equal to zero or greater, then translation depending on the value

    is returned. Returns a pointer to a heap descriptor containing the formatted string.

    If the string for passed \a aMessageId is not found from the translation

    \param aMessageId Identifier of the string to be translated.

    \param aInt Replacement integer for the lowest place marker %(index).

EXPORT_C HBufC* HbTextResolverSymbian::LoadL(const TDesC& aMessageId, TInt aInt, TInt aPlural)

    {

    HbTextResolverSymbianPrivate* resolver = HbTextResolverSymbianPrivate::Instance();

    CleanupStack::Pop(buf);

/*!

    If \a aPlural is equal to zero or greater, then translation depending on the value

    is returned. Returns a pointer to a heap descriptor containing the formatted string.

    If the string for passed \a aMessageId is not found from the translation

    file then the source string is used.

    \param aMessageId Identifier of the string to be translated.

    \param aInts Replacement integers for the place markers.

EXPORT_C HBufC* HbTextResolverSymbian::LoadL(const TDesC& aMessageId, const RArray<TInt>& aInts, TInt aPlural)

    {

    HbTextResolverSymbianPrivate* resolver = HbTextResolverSymbianPrivate::Instance();

    HBufC* buf = resolver->LoadLC(aMessageId, aInts, aPlural);

    return buf;

    }

/*!

    value is returned. Returns a pointer to a heap descriptor containing the translated

    \param aMessageId Identifier of the string to be translated.

*/     

EXPORT_C HBufC* HbTextResolverSymbian::LoadLC(const TDesC& aMessageId, TInt aPlural)

    {

    HbTextResolverSymbianPrivate* resolver = HbTextResolverSymbianPrivate::Instance();

    return resolver->LoadLC(aMessageId, aPlural);       

    }

/*!

    If \a aPlural is equal to zero or greater, then translation depending on the value

    Pointer is pushed to cleanup stack.

    If the string for passed \a aMessageId or \a aString is not found from the translation

    \param aMessageId Identifier of the string to be translated.

    \param aString Replacement string for the lowest %N.

EXPORT_C HBufC* HbTextResolverSymbian::LoadLC(const TDesC& aMessageId, const TDesC& aString, TInt aPlural)

    {

    HbTextResolverSymbianPrivate* resolver = HbTextResolverSymbianPrivate::Instance();

    return resolver->LoadLC(aMessageId, aString, aPlural);

    }

/*!

    If \a aPlural is equal to zero or greater, then translation depending on the value

    is returned. Returns a pointer to a heap descriptor containing the formatted string.

    Pointer is pushed to cleanup stack.

    If the string for passed \a aMessageId or \a aStrings are not found from the translation

    file then the source string is used.

    \param aMessageId Identifier of the string to be translated.

    \param aStrings Replacement strings for the place markers.

*/

EXPORT_C HBufC* HbTextResolverSymbian::LoadLC(const TDesC& aMessageId, const MDesCArray& aStrings, TInt aPlural)

    {

    HbTextResolverSymbianPrivate* resolver = HbTextResolverSymbianPrivate::Instance();

    return resolver->LoadLC(aMessageId, aStrings, aPlural);

    }

/*!

    If \a aPlural is equal to zero or greater, then translation depending on the value