/*
 *  This file is part of the KDE libraries
 *  Copyright (C) 2006 George Staikos <staikos@kde.org>
 *  Copyright (C) 2006 Alexey Proskuryakov <ap@nypop.com>
 *  Copyright (C) 2007 Apple Computer, Inc. All rights reserved.
 *
 *  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_ICU_H
#define KJS_UNICODE_ICU_H

#include <unicode/uchar.h>
#include <unicode/ustring.h>
#include <unicode/utf16.h>

#include <stdlib.h>

namespace WTF {
  namespace Unicode {

    enum Direction {
      LeftToRight = U_LEFT_TO_RIGHT,
      RightToLeft = U_RIGHT_TO_LEFT,
      EuropeanNumber = U_EUROPEAN_NUMBER,
      EuropeanNumberSeparator = U_EUROPEAN_NUMBER_SEPARATOR,
      EuropeanNumberTerminator = U_EUROPEAN_NUMBER_TERMINATOR,
      ArabicNumber = U_ARABIC_NUMBER,
      CommonNumberSeparator = U_COMMON_NUMBER_SEPARATOR,
      BlockSeparator = U_BLOCK_SEPARATOR,
      SegmentSeparator = U_SEGMENT_SEPARATOR,
      WhiteSpaceNeutral = U_WHITE_SPACE_NEUTRAL,
      OtherNeutral = U_OTHER_NEUTRAL,
      LeftToRightEmbedding = U_LEFT_TO_RIGHT_EMBEDDING,
      LeftToRightOverride = U_LEFT_TO_RIGHT_OVERRIDE,
      RightToLeftArabic = U_RIGHT_TO_LEFT_ARABIC,
      RightToLeftEmbedding = U_RIGHT_TO_LEFT_EMBEDDING,
      RightToLeftOverride = U_RIGHT_TO_LEFT_OVERRIDE,
      PopDirectionalFormat = U_POP_DIRECTIONAL_FORMAT,
      NonSpacingMark = U_DIR_NON_SPACING_MARK,
      BoundaryNeutral = U_BOUNDARY_NEUTRAL
    };

    enum DecompositionType {
      DecompositionNone = U_DT_NONE,
      DecompositionCanonical = U_DT_CANONICAL,
      DecompositionCompat = U_DT_COMPAT,
      DecompositionCircle = U_DT_CIRCLE,
      DecompositionFinal = U_DT_FINAL,
      DecompositionFont = U_DT_FONT,
      DecompositionFraction = U_DT_FRACTION,
      DecompositionInitial = U_DT_INITIAL,
      DecompositionIsolated = U_DT_ISOLATED,
      DecompositionMedial = U_DT_MEDIAL,
      DecompositionNarrow = U_DT_NARROW,
      DecompositionNoBreak = U_DT_NOBREAK,
      DecompositionSmall = U_DT_SMALL,
      DecompositionSquare = U_DT_SQUARE,
      DecompositionSub = U_DT_SUB,
      DecompositionSuper = U_DT_SUPER,
      DecompositionVertical = U_DT_VERTICAL,
      DecompositionWide = U_DT_WIDE,
    };

    enum CharCategory {
      NoCategory =  0,
      Other_NotAssigned = U_MASK(U_GENERAL_OTHER_TYPES),
      Letter_Uppercase = U_MASK(U_UPPERCASE_LETTER),
      Letter_Lowercase = U_MASK(U_LOWERCASE_LETTER),
      Letter_Titlecase = U_MASK(U_TITLECASE_LETTER),
      Letter_Modifier = U_MASK(U_MODIFIER_LETTER),
      Letter_Other = U_MASK(U_OTHER_LETTER),

      Mark_NonSpacing = U_MASK(U_NON_SPACING_MARK),
      Mark_Enclosing = U_MASK(U_ENCLOSING_MARK),
      Mark_SpacingCombining = U_MASK(U_COMBINING_SPACING_MARK),

      Number_DecimalDigit = U_MASK(U_DECIMAL_DIGIT_NUMBER),
      Number_Letter = U_MASK(U_LETTER_NUMBER),
      Number_Other = U_MASK(U_OTHER_NUMBER),

      Separator_Space = U_MASK(U_SPACE_SEPARATOR),
      Separator_Line = U_MASK(U_LINE_SEPARATOR),
      Separator_Paragraph = U_MASK(U_PARAGRAPH_SEPARATOR),

      Other_Control = U_MASK(U_CONTROL_CHAR),
      Other_Format = U_MASK(U_FORMAT_CHAR),
      Other_PrivateUse = U_MASK(U_PRIVATE_USE_CHAR),
      Other_Surrogate = U_MASK(U_SURROGATE),

      Punctuation_Dash = U_MASK(U_DASH_PUNCTUATION),
      Punctuation_Open = U_MASK(U_START_PUNCTUATION),
      Punctuation_Close = U_MASK(U_END_PUNCTUATION),
      Punctuation_Connector = U_MASK(U_CONNECTOR_PUNCTUATION),
      Punctuation_Other = U_MASK(U_OTHER_PUNCTUATION),

      Symbol_Math = U_MASK(U_MATH_SYMBOL),
      Symbol_Currency = U_MASK(U_CURRENCY_SYMBOL),
      Symbol_Modifier = U_MASK(U_MODIFIER_SYMBOL),
      Symbol_Other = U_MASK(U_OTHER_SYMBOL),

      Punctuation_InitialQuote = U_MASK(U_INITIAL_PUNCTUATION),
      Punctuation_FinalQuote = U_MASK(U_FINAL_PUNCTUATION)
    };

    inline UChar32 foldCase(UChar32 c)
    {
      return u_foldCase(c, U_FOLD_CASE_DEFAULT);
    }

    inline int foldCase(UChar* result, int resultLength, const UChar* src, int srcLength, bool* error)
    {
      UErrorCode status = U_ZERO_ERROR;
      int realLength = u_strFoldCase(result, resultLength, src, srcLength, U_FOLD_CASE_DEFAULT, &status);
      *error = !U_SUCCESS(status);
      return realLength;
    }

    inline int toLower(UChar* result, int resultLength, const UChar* src, int srcLength, bool* error)
    {
      UErrorCode status = U_ZERO_ERROR;
      int realLength = u_strToLower(result, resultLength, src, srcLength, "", &status);
      *error = !!U_FAILURE(status);
      return realLength;
    }

    inline UChar32 toLower(UChar32 c)
    {
      return u_tolower(c);
    }

    inline UChar32 toUpper(UChar32 c)
    {
      return u_toupper(c);
    }

    inline int toUpper(UChar* result, int resultLength, const UChar* src, int srcLength, bool* error)
    {
      UErrorCode status = U_ZERO_ERROR;
      int realLength = u_strToUpper(result, resultLength, src, srcLength, "", &status);
      *error = !!U_FAILURE(status);
      return realLength;
    }

    inline UChar32 toTitleCase(UChar32 c)
    {
      return u_totitle(c);
    }

    inline bool isArabicChar(UChar32 c)
    {
        return ublock_getCode(c) == UBLOCK_ARABIC;
    }

    inline bool isFormatChar(UChar32 c)
    {
      return u_charType(c) == U_FORMAT_CHAR;
    }

    inline bool isSeparatorSpace(UChar32 c)
    {
      return u_charType(c) == U_SPACE_SEPARATOR;
    }

    inline bool isPrintableChar(UChar32 c)
    {
      return !!u_isprint(c);
    }
    
    inline bool isDigit(UChar32 c)
    {
      return !!u_isdigit(c);
    }

    inline bool isPunct(UChar32 c)
    {
      return !!u_ispunct(c);
    }

    inline UChar32 mirroredChar(UChar32 c)
    {
      return u_charMirror(c);
    }

    inline CharCategory category(UChar32 c)
    {
      return static_cast<CharCategory>(U_GET_GC_MASK(c));
    }

    inline Direction direction(UChar32 c)
    {
      return static_cast<Direction>(u_charDirection(c));
    }

    inline bool isLower(UChar32 c)
    {
      return !!u_islower(c);
    }

    inline int digitValue(UChar32 c)
    {
      return u_charDigitValue(c);
    }

    inline uint8_t combiningClass(UChar32 c)
    {
      return u_getCombiningClass(c);
    }

    inline DecompositionType decompositionType(UChar32 c)
    {
      return static_cast<DecompositionType>(u_getIntPropertyValue(c, UCHAR_DECOMPOSITION_TYPE));
    }

    inline int umemcasecmp(const UChar* a, const UChar* b, int len)
    {
      return u_memcasecmp(a, b, len, U_FOLD_CASE_DEFAULT);
    }

  }
}

#endif
// vim: ts=2 sw=2 et
