/*
 *  This file is part of the KDE libraries
 *  Copyright (C) 2007 Harri Porten <porten@kde.org>
 *  Copyright (C) 2006 George Staikos <staikos@kde.org>
 *  Copyright (C) 2006 Alexey Proskuryakov <ap@nypop.com>
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public License
 *  along with this library; see the file COPYING.LIB.  If not, write to
 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301, USA.
 *
 */

#ifndef KJS_UNICODE_LIBC_H
#define KJS_UNICODE_LIBC_H

#include "wtf/ASCIICType.h"
#include <assert.h>

#include "../UnicodeCategory.h"

namespace WTF
{
namespace Unicode
{

inline int toLower(uint16_t *str, int strLength, uint16_t *&destIfNeeded)
{
    destIfNeeded = nullptr;

    for (int i = 0; i < strLength; ++i) {
        str[i] = toASCIILower(str[i]);
    }

    return strLength;
}

inline int toUpper(uint16_t *str, int strLength, uint16_t *&destIfNeeded)
{
    destIfNeeded = nullptr;

    for (int i = 0; i < strLength; ++i) {
        str[i] = toASCIIUpper(str[i]);
    }

    return strLength;
}

inline bool isSeparatorSpace(int32_t c)
{
    return (c & 0xffff0000) == 0 && isASCIISpace(static_cast<unsigned short>(c));
}

inline CharCategory category(int32_t c)
{
    if (c < 0) {
        return NoCategory;
    }
    if (c < 0x000000ff) {
        static const CharCategory cats[] = {
            Other_Control, Other_Control, Other_Control, Other_Control,
            Other_Control, Other_Control, Other_Control, Other_Control,
            Other_Control, Other_Control, Other_Control, Other_Control,
            Other_Control, Other_Control, Other_Control, Other_Control,
            Other_Control, Other_Control, Other_Control, Other_Control,
            Other_Control, Other_Control, Other_Control, Other_Control,
            Other_Control, Other_Control, Other_Control, Other_Control,
            Other_Control, Other_Control, Other_Control, Other_Control,
            Separator_Space, Punctuation_Other, Punctuation_Other,
            Punctuation_Other, Symbol_Currency, Punctuation_Other,
            Punctuation_Other, Punctuation_Other, Punctuation_Open,
            Punctuation_Close, Punctuation_Other, Symbol_Math,
            Punctuation_Other, Punctuation_Dash, Punctuation_Other,
            Punctuation_Other, Number_DecimalDigit, Number_DecimalDigit,
            Number_DecimalDigit, Number_DecimalDigit, Number_DecimalDigit,
            Number_DecimalDigit, Number_DecimalDigit, Number_DecimalDigit,
            Number_DecimalDigit, Number_DecimalDigit, Punctuation_Other,
            Punctuation_Other, Symbol_Math, Symbol_Math, Symbol_Math,
            Punctuation_Other, Punctuation_Other,
            Letter_Uppercase, Letter_Uppercase, Letter_Uppercase,
            Letter_Uppercase, Letter_Uppercase, Letter_Uppercase,
            Letter_Uppercase, Letter_Uppercase, Letter_Uppercase,
            Letter_Uppercase, Letter_Uppercase, Letter_Uppercase,
            Letter_Uppercase, Letter_Uppercase, Letter_Uppercase,
            Letter_Uppercase, Letter_Uppercase, Letter_Uppercase,
            Letter_Uppercase, Letter_Uppercase, Letter_Uppercase,
            Letter_Uppercase, Letter_Uppercase, Letter_Uppercase,
            Letter_Uppercase, Letter_Uppercase, Punctuation_Open,
            Punctuation_Other, Punctuation_Close, Symbol_Modifier,
            Punctuation_Connector, Symbol_Modifier, Letter_Lowercase,
            Letter_Lowercase, Letter_Lowercase, Letter_Lowercase,
            Letter_Lowercase, Letter_Lowercase, Letter_Lowercase,
            Letter_Lowercase, Letter_Lowercase, Letter_Lowercase,
            Letter_Lowercase, Letter_Lowercase, Letter_Lowercase,
            Letter_Lowercase, Letter_Lowercase, Letter_Lowercase,
            Letter_Lowercase, Letter_Lowercase, Letter_Lowercase,
            Letter_Lowercase, Letter_Lowercase, Letter_Lowercase,
            Letter_Lowercase, Letter_Lowercase, Letter_Lowercase,
            Letter_Lowercase, Punctuation_Open, Symbol_Math, Punctuation_Close,
            Symbol_Math, Other_Control, Other_Control, Other_Control,
            Other_Control, Other_Control, Other_Control, Other_Control,
            Other_Control, Other_Control, Other_Control, Other_Control,
            Other_Control, Other_Control, Other_Control, Other_Control,
            Other_Control, Other_Control, Other_Control, Other_Control,
            Other_Control, Other_Control, Other_Control, Other_Control,
            Other_Control, Other_Control, Other_Control, Other_Control,
            Other_Control, Other_Control, Other_Control, Other_Control,
            Other_Control, Other_Control, Separator_Space, Punctuation_Other,
            Symbol_Currency, Symbol_Currency, Symbol_Currency, Symbol_Currency,
            Symbol_Other, Symbol_Other, Symbol_Modifier, Symbol_Other,
            Letter_Lowercase, Punctuation_InitialQuote, Symbol_Math,
            Other_Format, Symbol_Other, Symbol_Modifier, Symbol_Other,
            Symbol_Math, Number_Other, Number_Other, Symbol_Modifier,
            Letter_Lowercase, Symbol_Other, Punctuation_Other,
            Symbol_Modifier, Number_Other, Letter_Lowercase,
            Punctuation_FinalQuote, Number_Other, Number_Other,
            Number_Other, Punctuation_Other, Letter_Uppercase,
            Letter_Uppercase, Letter_Uppercase, Letter_Uppercase,
            Letter_Uppercase, Letter_Uppercase, Letter_Uppercase,
            Letter_Uppercase, Letter_Uppercase, Letter_Uppercase,
            Letter_Uppercase, Letter_Uppercase, Letter_Uppercase,
            Letter_Uppercase, Letter_Uppercase, Letter_Uppercase,
            Letter_Uppercase, Letter_Uppercase, Letter_Uppercase,
            Letter_Uppercase, Letter_Uppercase, Letter_Uppercase,
            Letter_Uppercase, Symbol_Math, Letter_Uppercase,
            Letter_Uppercase, Letter_Uppercase, Letter_Uppercase,
            Letter_Uppercase, Letter_Uppercase, Letter_Uppercase,
            Letter_Lowercase, Letter_Lowercase, Letter_Lowercase,
            Letter_Lowercase, Letter_Lowercase, Letter_Lowercase,
            Letter_Lowercase, Letter_Lowercase, Letter_Lowercase,
            Letter_Lowercase, Letter_Lowercase, Letter_Lowercase,
            Letter_Lowercase, Letter_Lowercase, Letter_Lowercase,
            Letter_Lowercase, Letter_Lowercase, Letter_Lowercase,
            Letter_Lowercase, Letter_Lowercase, Letter_Lowercase,
            Letter_Lowercase, Letter_Lowercase, Letter_Lowercase,
            Symbol_Math, Letter_Lowercase, Letter_Lowercase,
            Letter_Lowercase, Letter_Lowercase, Letter_Lowercase,
            Letter_Lowercase, Letter_Lowercase, Letter_Lowercase
        };
        assert(sizeof(cats) / sizeof(CharCategory) == 0x0100);
        return cats[c];
    }

    // FIXME: implement for the rest ...
    return NoCategory;
}
}
}

#endif
