/*
 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
 *           (C) 1999 Antti Koivisto (koivisto@kde.org)
 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
 * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net)
 * Copyright (C) 2010 Daniel Bates (dbates@intudata.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.
 *
 */

#include "config.h"
#include "RenderListMarker.h"

#include "CachedImage.h"
#include "Document.h"
#include "GraphicsContext.h"
#include "InlineElementBox.h"
#include "RenderBlock.h"
#include "RenderLayer.h"
#include "RenderListItem.h"
#include "RenderView.h"
#include <wtf/text/StringBuilder.h>
#include <wtf/unicode/CharacterNames.h>

using namespace std;
using namespace WTF;
using namespace Unicode;

namespace WebCore {

const int cMarkerPadding = 7;

enum SequenceType { NumericSequence, AlphabeticSequence };

static String toRoman(int number, bool upper)
{
    // FIXME: CSS3 describes how to make this work for much larger numbers,
    // using overbars and special characters. It also specifies the characters
    // in the range U+2160 to U+217F instead of standard ASCII ones.
    ASSERT(number >= 1 && number <= 3999);

    // Big enough to store largest roman number less than 3999 which
    // is 3888 (MMMDCCCLXXXVIII)
    const int lettersSize = 15;
    LChar letters[lettersSize];

    int length = 0;
    const LChar ldigits[] = { 'i', 'v', 'x', 'l', 'c', 'd', 'm' };
    const LChar udigits[] = { 'I', 'V', 'X', 'L', 'C', 'D', 'M' };
    const LChar* digits = upper ? udigits : ldigits;
    int d = 0;
    do {
        int num = number % 10;
        if (num % 5 < 4)
            for (int i = num % 5; i > 0; i--)
                letters[lettersSize - ++length] = digits[d];
        if (num >= 4 && num <= 8)
            letters[lettersSize - ++length] = digits[d + 1];
        if (num == 9)
            letters[lettersSize - ++length] = digits[d + 2];
        if (num % 5 == 4)
            letters[lettersSize - ++length] = digits[d];
        number /= 10;
        d += 2;
    } while (number);

    ASSERT(length <= lettersSize);
    return String(&letters[lettersSize - length], length);
}

// The typedef is needed because taking sizeof(number) in the const expression below doesn't work with some compilers.
// This is likely the case because of the template.
typedef int numberType;

template <typename CharacterType>
static inline String toAlphabeticOrNumeric(numberType number, const CharacterType* sequence, unsigned sequenceSize, SequenceType type)
{
    ASSERT(sequenceSize >= 2);

    const int lettersSize = sizeof(numberType) * 8 + 1; // Binary is the worst case; requires one character per bit plus a minus sign.

    CharacterType letters[lettersSize];

    bool isNegativeNumber = false;
    unsigned numberShadow = number;
    if (type == AlphabeticSequence) {
        ASSERT(number > 0);
        --numberShadow;
    } else if (number < 0) {
        numberShadow = -number;
        isNegativeNumber = true;
    }
    letters[lettersSize - 1] = sequence[numberShadow % sequenceSize];
    int length = 1;

    if (type == AlphabeticSequence) {
        while ((numberShadow /= sequenceSize) > 0) {
            --numberShadow;
            letters[lettersSize - ++length] = sequence[numberShadow % sequenceSize];
        }
    } else {
        while ((numberShadow /= sequenceSize) > 0)
            letters[lettersSize - ++length] = sequence[numberShadow % sequenceSize];
    }
    if (isNegativeNumber)
        letters[lettersSize - ++length] = hyphenMinus;

    ASSERT(length <= lettersSize);
    return String(&letters[lettersSize - length], length);
}

template <typename CharacterType>
static String toSymbolic(int number, const CharacterType* symbols, unsigned symbolsSize)
{
    ASSERT(number > 0);
    ASSERT(symbolsSize >= 1);
    unsigned numberShadow = number;
    --numberShadow;

    // The asterisks list-style-type is the worst case; we show |numberShadow| asterisks.
    StringBuilder letters;
    letters.append(symbols[numberShadow % symbolsSize]);
    unsigned numSymbols = numberShadow / symbolsSize;
    while (numSymbols--)
        letters.append(symbols[numberShadow % symbolsSize]);
    return letters.toString();
}

template <typename CharacterType>
static String toAlphabetic(int number, const CharacterType* alphabet, unsigned alphabetSize)
{
    return toAlphabeticOrNumeric(number, alphabet, alphabetSize, AlphabeticSequence);
}

template <typename CharacterType>
static String toNumeric(int number, const CharacterType* numerals, unsigned numeralsSize)
{
    return toAlphabeticOrNumeric(number, numerals, numeralsSize, NumericSequence);
}

template <typename CharacterType, size_t size>
static inline String toAlphabetic(int number, const CharacterType(&alphabet)[size])
{
    return toAlphabetic(number, alphabet, size);
}

template <typename CharacterType, size_t size>
static inline String toNumeric(int number, const CharacterType(&alphabet)[size])
{
    return toNumeric(number, alphabet, size);
}

template <typename CharacterType, size_t size>
static inline String toSymbolic(int number, const CharacterType(&alphabet)[size])
{
    return toSymbolic(number, alphabet, size);
}

static int toHebrewUnder1000(int number, UChar letters[5])
{
    // FIXME: CSS3 mentions various refinements not implemented here.
    // FIXME: Should take a look at Mozilla's HebrewToText function (in nsBulletFrame).
    ASSERT(number >= 0 && number < 1000);
    int length = 0;
    int fourHundreds = number / 400;
    for (int i = 0; i < fourHundreds; i++)
        letters[length++] = 1511 + 3;
    number %= 400;
    if (number / 100)
        letters[length++] = 1511 + (number / 100) - 1;
    number %= 100;
    if (number == 15 || number == 16) {
        letters[length++] = 1487 + 9;
        letters[length++] = 1487 + number - 9;
    } else {
        if (int tens = number / 10) {
            static const UChar hebrewTens[9] = { 1497, 1499, 1500, 1502, 1504, 1505, 1506, 1508, 1510 };
            letters[length++] = hebrewTens[tens - 1];
        }
        if (int ones = number % 10)
            letters[length++] = 1487 + ones;
    }
    ASSERT(length <= 5);
    return length;
}

static String toHebrew(int number)
{
    // FIXME: CSS3 mentions ways to make this work for much larger numbers.
    ASSERT(number >= 0 && number <= 999999);

    if (number == 0) {
        static const UChar hebrewZero[3] = { 0x05D0, 0x05E4, 0x05E1 };
        return String(hebrewZero, 3);
    }

    const int lettersSize = 11; // big enough for two 5-digit sequences plus a quote mark between
    UChar letters[lettersSize];

    int length;
    if (number < 1000)
        length = 0;
    else {
        length = toHebrewUnder1000(number / 1000, letters);
        letters[length++] = '\'';
        number = number % 1000;
    }
    length += toHebrewUnder1000(number, letters + length);

    ASSERT(length <= lettersSize);
    return String(letters, length);
}

static int toArmenianUnder10000(int number, bool upper, bool addCircumflex, UChar letters[9])
{
    ASSERT(number >= 0 && number < 10000);
    int length = 0;

    int lowerOffset = upper ? 0 : 0x0030;

    if (int thousands = number / 1000) {
        if (thousands == 7) {
            letters[length++] = 0x0548 + lowerOffset;
            letters[length++] = 0x0552 + lowerOffset;
            if (addCircumflex)
                letters[length++] = 0x0302;
        } else {
            letters[length++] = (0x054C - 1 + lowerOffset) + thousands;
            if (addCircumflex)
                letters[length++] = 0x0302;
        }
    }

    if (int hundreds = (number / 100) % 10) {
        letters[length++] = (0x0543 - 1 + lowerOffset) + hundreds;
        if (addCircumflex)
            letters[length++] = 0x0302;
    }

    if (int tens = (number / 10) % 10) {
        letters[length++] = (0x053A - 1 + lowerOffset) + tens;
        if (addCircumflex)
            letters[length++] = 0x0302;
    }

    if (int ones = number % 10) {
        letters[length++] = (0x531 - 1 + lowerOffset) + ones;
        if (addCircumflex)
            letters[length++] = 0x0302;
    }

    return length;
}

static String toArmenian(int number, bool upper)
{
    ASSERT(number >= 1 && number <= 99999999);

    const int lettersSize = 18; // twice what toArmenianUnder10000 needs
    UChar letters[lettersSize];

    int length = toArmenianUnder10000(number / 10000, upper, true, letters);
    length += toArmenianUnder10000(number % 10000, upper, false, letters + length);

    ASSERT(length <= lettersSize);
    return String(letters, length);
}

static String toGeorgian(int number)
{
    ASSERT(number >= 1 && number <= 19999);

    const int lettersSize = 5;
    UChar letters[lettersSize];

    int length = 0;

    if (number > 9999)
        letters[length++] = 0x10F5;

    if (int thousands = (number / 1000) % 10) {
        static const UChar georgianThousands[9] = {
            0x10E9, 0x10EA, 0x10EB, 0x10EC, 0x10ED, 0x10EE, 0x10F4, 0x10EF, 0x10F0
        };
        letters[length++] = georgianThousands[thousands - 1];
    }

    if (int hundreds = (number / 100) % 10) {
        static const UChar georgianHundreds[9] = {
            0x10E0, 0x10E1, 0x10E2, 0x10F3, 0x10E4, 0x10E5, 0x10E6, 0x10E7, 0x10E8
        };
        letters[length++] = georgianHundreds[hundreds - 1];
    }

    if (int tens = (number / 10) % 10) {
        static const UChar georgianTens[9] = {
            0x10D8, 0x10D9, 0x10DA, 0x10DB, 0x10DC, 0x10F2, 0x10DD, 0x10DE, 0x10DF
        };
        letters[length++] = georgianTens[tens - 1];
    }

    if (int ones = number % 10) {
        static const UChar georgianOnes[9] = {
            0x10D0, 0x10D1, 0x10D2, 0x10D3, 0x10D4, 0x10D5, 0x10D6, 0x10F1, 0x10D7
        };
        letters[length++] = georgianOnes[ones - 1];
    }

    ASSERT(length <= lettersSize);
    return String(letters, length);
}

// The table uses the order from the CSS3 specification:
// first 3 group markers, then 3 digit markers, then ten digits.
static String toCJKIdeographic(int number, const UChar table[16])
{
    ASSERT(number >= 0);

    enum AbstractCJKChar {
        noChar,
        secondGroupMarker, thirdGroupMarker, fourthGroupMarker,
        secondDigitMarker, thirdDigitMarker, fourthDigitMarker,
        digit0, digit1, digit2, digit3, digit4,
        digit5, digit6, digit7, digit8, digit9
    };

    if (number == 0)
        return String(&table[digit0 - 1], 1);

    const int groupLength = 8; // 4 digits, 3 digit markers, and a group marker
    const int bufferLength = 4 * groupLength;
    AbstractCJKChar buffer[bufferLength] = { noChar };

    for (int i = 0; i < 4; ++i) {
        int groupValue = number % 10000;
        number /= 10000;

        // Process least-significant group first, but put it in the buffer last.
        AbstractCJKChar* group = &buffer[(3 - i) * groupLength];

        if (groupValue && i)
            group[7] = static_cast<AbstractCJKChar>(secondGroupMarker - 1 + i);

        // Put in the four digits and digit markers for any non-zero digits.
        group[6] = static_cast<AbstractCJKChar>(digit0 + (groupValue % 10));
        if (number != 0 || groupValue > 9) {
            int digitValue = ((groupValue / 10) % 10);
            group[4] = static_cast<AbstractCJKChar>(digit0 + digitValue);
            if (digitValue)
                group[5] = secondDigitMarker;
        }
        if (number != 0 || groupValue > 99) {
            int digitValue = ((groupValue / 100) % 10);
            group[2] = static_cast<AbstractCJKChar>(digit0 + digitValue);
            if (digitValue)
                group[3] = thirdDigitMarker;
        }
        if (number != 0 || groupValue > 999) {
            int digitValue = groupValue / 1000;
            group[0] = static_cast<AbstractCJKChar>(digit0 + digitValue);
            if (digitValue)
                group[1] = fourthDigitMarker;
        }

        // Remove the tens digit, but leave the marker, for any group that has
        // a value of less than 20.
        if (groupValue < 20) {
            ASSERT(group[4] == noChar || group[4] == digit0 || group[4] == digit1);
            group[4] = noChar;
        }

        if (number == 0)
            break;
    }

    // Convert into characters, omitting consecutive runs of digit0 and
    // any trailing digit0.
    int length = 0;
    UChar characters[bufferLength];
    AbstractCJKChar last = noChar;
    for (int i = 0; i < bufferLength; ++i) {
        AbstractCJKChar a = buffer[i];
        if (a != noChar) {
            if (a != digit0 || last != digit0)
                characters[length++] = table[a - 1];
            last = a;
        }
    }
    if (last == digit0)
        --length;

    return String(characters, length);
}

static EListStyleType effectiveListMarkerType(EListStyleType type, int value)
{
    // Note, the following switch statement has been explicitly grouped
    // by list-style-type ordinal range.
    switch (type) {
    case ArabicIndic:
    case Bengali:
    case BinaryListStyle:
    case Cambodian:
    case Circle:
    case DecimalLeadingZero:
    case DecimalListStyle:
    case Devanagari:
    case Disc:
    case Gujarati:
    case Gurmukhi:
    case Kannada:
    case Khmer:
    case Lao:
    case LowerHexadecimal:
    case Malayalam:
    case Mongolian:
    case Myanmar:
    case NoneListStyle:
    case Octal:
    case Oriya:
    case Persian:
    case Square:
    case Telugu:
    case Thai:
    case Tibetan:
    case UpperHexadecimal:
    case Urdu:
        return type; // Can represent all ordinals.
    case Armenian:
        return (value < 1 || value > 99999999) ? DecimalListStyle : type;
    case CJKIdeographic:
        return (value < 0) ? DecimalListStyle : type;
    case Georgian:
        return (value < 1 || value > 19999) ? DecimalListStyle : type;
    case Hebrew:
        return (value < 0 || value > 999999) ? DecimalListStyle : type;
    case LowerRoman:
    case UpperRoman:
        return (value < 1 || value > 3999) ? DecimalListStyle : type;
    case Afar:
    case Amharic:
    case AmharicAbegede:
    case Asterisks:
    case CjkEarthlyBranch:
    case CjkHeavenlyStem:
    case Ethiopic:
    case EthiopicAbegede:
    case EthiopicAbegedeAmEt:
    case EthiopicAbegedeGez:
    case EthiopicAbegedeTiEr:
    case EthiopicAbegedeTiEt:
    case EthiopicHalehameAaEr:
    case EthiopicHalehameAaEt:
    case EthiopicHalehameAmEt:
    case EthiopicHalehameGez:
    case EthiopicHalehameOmEt:
    case EthiopicHalehameSidEt:
    case EthiopicHalehameSoEt:
    case EthiopicHalehameTiEr:
    case EthiopicHalehameTiEt:
    case EthiopicHalehameTig:
    case Footnotes:
    case Hangul:
    case HangulConsonant:
    case Hiragana:
    case HiraganaIroha:
    case Katakana:
    case KatakanaIroha:
    case LowerAlpha:
    case LowerArmenian:
    case LowerGreek:
    case LowerLatin:
    case LowerNorwegian:
    case Oromo:
    case Sidama:
    case Somali:
    case Tigre:
    case TigrinyaEr:
    case TigrinyaErAbegede:
    case TigrinyaEt:
    case TigrinyaEtAbegede:
    case UpperAlpha:
    case UpperArmenian:
    case UpperGreek:
    case UpperLatin:
    case UpperNorwegian:
        return (value < 1) ? DecimalListStyle : type;
    }

    ASSERT_NOT_REACHED();
    return type;
}

static UChar listMarkerSuffix(EListStyleType type, int value)
{
    // If the list-style-type cannot represent |value| because it's outside its
    // ordinal range then we fall back to some list style that can represent |value|.
    EListStyleType effectiveType = effectiveListMarkerType(type, value);

    // Note, the following switch statement has been explicitly
    // grouped by list-style-type suffix.
    switch (effectiveType) {
    case Asterisks:
    case Circle:
    case Disc:
    case Footnotes:
    case NoneListStyle:
    case Square:
        return ' ';
    case Afar:
    case Amharic:
    case AmharicAbegede:
    case Ethiopic:
    case EthiopicAbegede:
    case EthiopicAbegedeAmEt:
    case EthiopicAbegedeGez:
    case EthiopicAbegedeTiEr:
    case EthiopicAbegedeTiEt:
    case EthiopicHalehameAaEr:
    case EthiopicHalehameAaEt:
    case EthiopicHalehameAmEt:
    case EthiopicHalehameGez:
    case EthiopicHalehameOmEt:
    case EthiopicHalehameSidEt:
    case EthiopicHalehameSoEt:
    case EthiopicHalehameTiEr:
    case EthiopicHalehameTiEt:
    case EthiopicHalehameTig:
    case Oromo:
    case Sidama:
    case Somali:
    case Tigre:
    case TigrinyaEr:
    case TigrinyaErAbegede:
    case TigrinyaEt:
    case TigrinyaEtAbegede:
        return ethiopicPrefaceColon;
    case Armenian:
    case ArabicIndic:
    case Bengali:
    case BinaryListStyle:
    case Cambodian:
    case CJKIdeographic:
    case CjkEarthlyBranch:
    case CjkHeavenlyStem:
    case DecimalLeadingZero:
    case DecimalListStyle:
    case Devanagari:
    case Georgian:
    case Gujarati:
    case Gurmukhi:
    case Hangul:
    case HangulConsonant:
    case Hebrew:
    case Hiragana:
    case HiraganaIroha:
    case Kannada:
    case Katakana:
    case KatakanaIroha:
    case Khmer:
    case Lao:
    case LowerAlpha:
    case LowerArmenian:
    case LowerGreek:
    case LowerHexadecimal:
    case LowerLatin:
    case LowerNorwegian:
    case LowerRoman:
    case Malayalam:
    case Mongolian:
    case Myanmar:
    case Octal:
    case Oriya:
    case Persian:
    case Telugu:
    case Thai:
    case Tibetan:
    case UpperAlpha:
    case UpperArmenian:
    case UpperGreek:
    case UpperHexadecimal:
    case UpperLatin:
    case UpperNorwegian:
    case UpperRoman:
    case Urdu:
        return '.';
    }

    ASSERT_NOT_REACHED();
    return '.';
}

String listMarkerText(EListStyleType type, int value)
{
    // If the list-style-type, say hebrew, cannot represent |value| because it's outside
    // its ordinal range then we fallback to some list style that can represent |value|.
    switch (effectiveListMarkerType(type, value)) {
        case NoneListStyle:
            return "";

        case Asterisks: {
            static const LChar asterisksSymbols[1] = {
                0x2A
            };
            return toSymbolic(value, asterisksSymbols);
        }
        // We use the same characters for text security.
        // See RenderText::setInternalString.
        case Circle:
            return String(&whiteBullet, 1);
        case Disc:
            return String(&bullet, 1);
        case Footnotes: {
            static const UChar footnotesSymbols[4] = {
                0x002A, 0x2051, 0x2020, 0x2021
            };
            return toSymbolic(value, footnotesSymbols);
        }
        case Square:
            // The CSS 2.1 test suite uses U+25EE BLACK MEDIUM SMALL SQUARE
            // instead, but I think this looks better.
            return String(&blackSquare, 1);

        case DecimalListStyle:
            return String::number(value);
        case DecimalLeadingZero:
            if (value < -9 || value > 9)
                return String::number(value);
            if (value < 0)
                return "-0" + String::number(-value); // -01 to -09
            return "0" + String::number(value); // 00 to 09

        case ArabicIndic: {
            static const UChar arabicIndicNumerals[10] = {
                0x0660, 0x0661, 0x0662, 0x0663, 0x0664, 0x0665, 0x0666, 0x0667, 0x0668, 0x0669
            };
            return toNumeric(value, arabicIndicNumerals);
        }
        case BinaryListStyle: {
            static const LChar binaryNumerals[2] = {
                '0', '1'
            };
            return toNumeric(value, binaryNumerals);
        }
        case Bengali: {
            static const UChar bengaliNumerals[10] = {
                0x09E6, 0x09E7, 0x09E8, 0x09E9, 0x09EA, 0x09EB, 0x09EC, 0x09ED, 0x09EE, 0x09EF
            };
            return toNumeric(value, bengaliNumerals);
        }
        case Cambodian:
        case Khmer: {
            static const UChar khmerNumerals[10] = {
                0x17E0, 0x17E1, 0x17E2, 0x17E3, 0x17E4, 0x17E5, 0x17E6, 0x17E7, 0x17E8, 0x17E9
            };
            return toNumeric(value, khmerNumerals);
        }
        case Devanagari: {
            static const UChar devanagariNumerals[10] = {
                0x0966, 0x0967, 0x0968, 0x0969, 0x096A, 0x096B, 0x096C, 0x096D, 0x096E, 0x096F
            };
            return toNumeric(value, devanagariNumerals);
        }
        case Gujarati: {
            static const UChar gujaratiNumerals[10] = {
                0x0AE6, 0x0AE7, 0x0AE8, 0x0AE9, 0x0AEA, 0x0AEB, 0x0AEC, 0x0AED, 0x0AEE, 0x0AEF
            };
            return toNumeric(value, gujaratiNumerals);
        }
        case Gurmukhi: {
            static const UChar gurmukhiNumerals[10] = {
                0x0A66, 0x0A67, 0x0A68, 0x0A69, 0x0A6A, 0x0A6B, 0x0A6C, 0x0A6D, 0x0A6E, 0x0A6F
            };
            return toNumeric(value, gurmukhiNumerals);
        }
        case Kannada: {
            static const UChar kannadaNumerals[10] = {
                0x0CE6, 0x0CE7, 0x0CE8, 0x0CE9, 0x0CEA, 0x0CEB, 0x0CEC, 0x0CED, 0x0CEE, 0x0CEF
            };
            return toNumeric(value, kannadaNumerals);
        }
        case LowerHexadecimal: {
            static const LChar lowerHexadecimalNumerals[16] = {
                '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'
            };
            return toNumeric(value, lowerHexadecimalNumerals);
        }
        case Lao: {
            static const UChar laoNumerals[10] = {
                0x0ED0, 0x0ED1, 0x0ED2, 0x0ED3, 0x0ED4, 0x0ED5, 0x0ED6, 0x0ED7, 0x0ED8, 0x0ED9
            };
            return toNumeric(value, laoNumerals);
        }
        case Malayalam: {
            static const UChar malayalamNumerals[10] = {
                0x0D66, 0x0D67, 0x0D68, 0x0D69, 0x0D6A, 0x0D6B, 0x0D6C, 0x0D6D, 0x0D6E, 0x0D6F
            };
            return toNumeric(value, malayalamNumerals);
        }
        case Mongolian: {
            static const UChar mongolianNumerals[10] = {
                0x1810, 0x1811, 0x1812, 0x1813, 0x1814, 0x1815, 0x1816, 0x1817, 0x1818, 0x1819
            };
            return toNumeric(value, mongolianNumerals);
        }
        case Myanmar: {
            static const UChar myanmarNumerals[10] = {
                0x1040, 0x1041, 0x1042, 0x1043, 0x1044, 0x1045, 0x1046, 0x1047, 0x1048, 0x1049
            };
            return toNumeric(value, myanmarNumerals);
        }
        case Octal: {
            static const LChar octalNumerals[8] = {
                '0', '1', '2', '3', '4', '5', '6', '7'
            };
            return toNumeric(value, octalNumerals);
        }
        case Oriya: {
            static const UChar oriyaNumerals[10] = {
                0x0B66, 0x0B67, 0x0B68, 0x0B69, 0x0B6A, 0x0B6B, 0x0B6C, 0x0B6D, 0x0B6E, 0x0B6F
            };
            return toNumeric(value, oriyaNumerals);
        }
        case Persian:
        case Urdu: {
            static const UChar urduNumerals[10] = {
                0x06F0, 0x06F1, 0x06F2, 0x06F3, 0x06F4, 0x06F5, 0x06F6, 0x06F7, 0x06F8, 0x06F9
            };
            return toNumeric(value, urduNumerals);
        }
        case Telugu: {
            static const UChar teluguNumerals[10] = {
                0x0C66, 0x0C67, 0x0C68, 0x0C69, 0x0C6A, 0x0C6B, 0x0C6C, 0x0C6D, 0x0C6E, 0x0C6F
            };
            return toNumeric(value, teluguNumerals);
        }
        case Tibetan: {
            static const UChar tibetanNumerals[10] = {
                0x0F20, 0x0F21, 0x0F22, 0x0F23, 0x0F24, 0x0F25, 0x0F26, 0x0F27, 0x0F28, 0x0F29
            };
            return toNumeric(value, tibetanNumerals);
        }
        case Thai: {
            static const UChar thaiNumerals[10] = {
                0x0E50, 0x0E51, 0x0E52, 0x0E53, 0x0E54, 0x0E55, 0x0E56, 0x0E57, 0x0E58, 0x0E59
            };
            return toNumeric(value, thaiNumerals);
        }
        case UpperHexadecimal: {
            static const LChar upperHexadecimalNumerals[16] = {
                '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
            };
            return toNumeric(value, upperHexadecimalNumerals);
        }

        case LowerAlpha:
        case LowerLatin: {
            static const LChar lowerLatinAlphabet[26] = {
                'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
                'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'
            };
            return toAlphabetic(value, lowerLatinAlphabet);
        }
        case UpperAlpha:
        case UpperLatin: {
            static const LChar upperLatinAlphabet[26] = {
                'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
                'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'
            };
            return toAlphabetic(value, upperLatinAlphabet);
        }
        case LowerGreek: {
            static const UChar lowerGreekAlphabet[24] = {
                0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7, 0x03B8,
                0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF, 0x03C0,
                0x03C1, 0x03C3, 0x03C4, 0x03C5, 0x03C6, 0x03C7, 0x03C8, 0x03C9
            };
            return toAlphabetic(value, lowerGreekAlphabet);
        }

        case Hiragana: {
            // FIXME: This table comes from the CSS3 draft, and is probably
            // incorrect, given the comments in that draft.
            static const UChar hiraganaAlphabet[48] = {
                0x3042, 0x3044, 0x3046, 0x3048, 0x304A, 0x304B, 0x304D, 0x304F,
                0x3051, 0x3053, 0x3055, 0x3057, 0x3059, 0x305B, 0x305D, 0x305F,
                0x3061, 0x3064, 0x3066, 0x3068, 0x306A, 0x306B, 0x306C, 0x306D,
                0x306E, 0x306F, 0x3072, 0x3075, 0x3078, 0x307B, 0x307E, 0x307F,
                0x3080, 0x3081, 0x3082, 0x3084, 0x3086, 0x3088, 0x3089, 0x308A,
                0x308B, 0x308C, 0x308D, 0x308F, 0x3090, 0x3091, 0x3092, 0x3093
            };
            return toAlphabetic(value, hiraganaAlphabet);
        }
        case HiraganaIroha: {
            // FIXME: This table comes from the CSS3 draft, and is probably
            // incorrect, given the comments in that draft.
            static const UChar hiraganaIrohaAlphabet[47] = {
                0x3044, 0x308D, 0x306F, 0x306B, 0x307B, 0x3078, 0x3068, 0x3061,
                0x308A, 0x306C, 0x308B, 0x3092, 0x308F, 0x304B, 0x3088, 0x305F,
                0x308C, 0x305D, 0x3064, 0x306D, 0x306A, 0x3089, 0x3080, 0x3046,
                0x3090, 0x306E, 0x304A, 0x304F, 0x3084, 0x307E, 0x3051, 0x3075,
                0x3053, 0x3048, 0x3066, 0x3042, 0x3055, 0x304D, 0x3086, 0x3081,
                0x307F, 0x3057, 0x3091, 0x3072, 0x3082, 0x305B, 0x3059
            };
            return toAlphabetic(value, hiraganaIrohaAlphabet);
        }
        case Katakana: {
            // FIXME: This table comes from the CSS3 draft, and is probably
            // incorrect, given the comments in that draft.
            static const UChar katakanaAlphabet[48] = {
                0x30A2, 0x30A4, 0x30A6, 0x30A8, 0x30AA, 0x30AB, 0x30AD, 0x30AF,
                0x30B1, 0x30B3, 0x30B5, 0x30B7, 0x30B9, 0x30BB, 0x30BD, 0x30BF,
                0x30C1, 0x30C4, 0x30C6, 0x30C8, 0x30CA, 0x30CB, 0x30CC, 0x30CD,
                0x30CE, 0x30CF, 0x30D2, 0x30D5, 0x30D8, 0x30DB, 0x30DE, 0x30DF,
                0x30E0, 0x30E1, 0x30E2, 0x30E4, 0x30E6, 0x30E8, 0x30E9, 0x30EA,
                0x30EB, 0x30EC, 0x30ED, 0x30EF, 0x30F0, 0x30F1, 0x30F2, 0x30F3
            };
            return toAlphabetic(value, katakanaAlphabet);
        }
        case KatakanaIroha: {
            // FIXME: This table comes from the CSS3 draft, and is probably
            // incorrect, given the comments in that draft.
            static const UChar katakanaIrohaAlphabet[47] = {
                0x30A4, 0x30ED, 0x30CF, 0x30CB, 0x30DB, 0x30D8, 0x30C8, 0x30C1,
                0x30EA, 0x30CC, 0x30EB, 0x30F2, 0x30EF, 0x30AB, 0x30E8, 0x30BF,
                0x30EC, 0x30BD, 0x30C4, 0x30CD, 0x30CA, 0x30E9, 0x30E0, 0x30A6,
                0x30F0, 0x30CE, 0x30AA, 0x30AF, 0x30E4, 0x30DE, 0x30B1, 0x30D5,
                0x30B3, 0x30A8, 0x30C6, 0x30A2, 0x30B5, 0x30AD, 0x30E6, 0x30E1,
                0x30DF, 0x30B7, 0x30F1, 0x30D2, 0x30E2, 0x30BB, 0x30B9
            };
            return toAlphabetic(value, katakanaIrohaAlphabet);
        }

        case Afar:
        case EthiopicHalehameAaEt:
        case EthiopicHalehameAaEr: {
            static const UChar ethiopicHalehameAaErAlphabet[18] = {
                0x1200, 0x1208, 0x1210, 0x1218, 0x1228, 0x1230, 0x1260, 0x1270, 0x1290,
                0x12A0, 0x12A8, 0x12C8, 0x12D0, 0x12E8, 0x12F0, 0x1308, 0x1338, 0x1348
            };
            return toAlphabetic(value, ethiopicHalehameAaErAlphabet);
        }
        case Amharic:
        case EthiopicHalehameAmEt: {
            static const UChar ethiopicHalehameAmEtAlphabet[33] = {
                0x1200, 0x1208, 0x1210, 0x1218, 0x1220, 0x1228, 0x1230, 0x1238, 0x1240,
                0x1260, 0x1270, 0x1278, 0x1280, 0x1290, 0x1298, 0x12A0, 0x12A8, 0x12B8,
                0x12C8, 0x12D0, 0x12D8, 0x12E0, 0x12E8, 0x12F0, 0x1300, 0x1308, 0x1320,
                0x1328, 0x1330, 0x1338, 0x1340, 0x1348, 0x1350
            };
            return toAlphabetic(value, ethiopicHalehameAmEtAlphabet);
        }
        case AmharicAbegede:
        case EthiopicAbegedeAmEt: {
            static const UChar ethiopicAbegedeAmEtAlphabet[33] = {
                0x12A0, 0x1260, 0x1308, 0x12F0, 0x1300, 0x1200, 0x12C8, 0x12D8, 0x12E0,
                0x1210, 0x1320, 0x1328, 0x12E8, 0x12A8, 0x12B8, 0x1208, 0x1218, 0x1290,
                0x1298, 0x1220, 0x12D0, 0x1348, 0x1338, 0x1240, 0x1228, 0x1230, 0x1238,
                0x1270, 0x1278, 0x1280, 0x1340, 0x1330, 0x1350
            };
            return toAlphabetic(value, ethiopicAbegedeAmEtAlphabet);
        }
        case CjkEarthlyBranch: {
            static const UChar cjkEarthlyBranchAlphabet[12] = {
                0x5B50, 0x4E11, 0x5BC5, 0x536F, 0x8FB0, 0x5DF3, 0x5348, 0x672A, 0x7533,
                0x9149, 0x620C, 0x4EA5
            };
            return toAlphabetic(value, cjkEarthlyBranchAlphabet);
        }
        case CjkHeavenlyStem: {
            static const UChar cjkHeavenlyStemAlphabet[10] = {
                0x7532, 0x4E59, 0x4E19, 0x4E01, 0x620A, 0x5DF1, 0x5E9A, 0x8F9B, 0x58EC,
                0x7678
            };
            return toAlphabetic(value, cjkHeavenlyStemAlphabet);
        }
        case Ethiopic:
        case EthiopicHalehameGez: {
            static const UChar ethiopicHalehameGezAlphabet[26] = {
                0x1200, 0x1208, 0x1210, 0x1218, 0x1220, 0x1228, 0x1230, 0x1240, 0x1260,
                0x1270, 0x1280, 0x1290, 0x12A0, 0x12A8, 0x12C8, 0x12D0, 0x12D8, 0x12E8,
                0x12F0, 0x1308, 0x1320, 0x1330, 0x1338, 0x1340, 0x1348, 0x1350
            };
            return toAlphabetic(value, ethiopicHalehameGezAlphabet);
        }
        case EthiopicAbegede:
        case EthiopicAbegedeGez: {
            static const UChar ethiopicAbegedeGezAlphabet[26] = {
                0x12A0, 0x1260, 0x1308, 0x12F0, 0x1200, 0x12C8, 0x12D8, 0x1210, 0x1320,
                0x12E8, 0x12A8, 0x1208, 0x1218, 0x1290, 0x1220, 0x12D0, 0x1348, 0x1338,
                0x1240, 0x1228, 0x1230, 0x1270, 0x1280, 0x1340, 0x1330, 0x1350
            };
            return toAlphabetic(value, ethiopicAbegedeGezAlphabet);
        }
        case HangulConsonant: {
            static const UChar hangulConsonantAlphabet[14] = {
                0x3131, 0x3134, 0x3137, 0x3139, 0x3141, 0x3142, 0x3145, 0x3147, 0x3148,
                0x314A, 0x314B, 0x314C, 0x314D, 0x314E
            };
            return toAlphabetic(value, hangulConsonantAlphabet);
        }
        case Hangul: {
            static const UChar hangulAlphabet[14] = {
                0xAC00, 0xB098, 0xB2E4, 0xB77C, 0xB9C8, 0xBC14, 0xC0AC, 0xC544, 0xC790,
                0xCC28, 0xCE74, 0xD0C0, 0xD30C, 0xD558
            };
            return toAlphabetic(value, hangulAlphabet);
        }
        case Oromo:
        case EthiopicHalehameOmEt: {
            static const UChar ethiopicHalehameOmEtAlphabet[25] = {
                0x1200, 0x1208, 0x1218, 0x1228, 0x1230, 0x1238, 0x1240, 0x1260, 0x1270,
                0x1278, 0x1290, 0x1298, 0x12A0, 0x12A8, 0x12C8, 0x12E8, 0x12F0, 0x12F8,
                0x1300, 0x1308, 0x1320, 0x1328, 0x1338, 0x1330, 0x1348
            };
            return toAlphabetic(value, ethiopicHalehameOmEtAlphabet);
        }
        case Sidama:
        case EthiopicHalehameSidEt: {
            static const UChar ethiopicHalehameSidEtAlphabet[26] = {
                0x1200, 0x1208, 0x1210, 0x1218, 0x1228, 0x1230, 0x1238, 0x1240, 0x1260,
                0x1270, 0x1278, 0x1290, 0x1298, 0x12A0, 0x12A8, 0x12C8, 0x12E8, 0x12F0,
                0x12F8, 0x1300, 0x1308, 0x1320, 0x1328, 0x1338, 0x1330, 0x1348
            };
            return toAlphabetic(value, ethiopicHalehameSidEtAlphabet);
        }
        case Somali:
        case EthiopicHalehameSoEt: {
            static const UChar ethiopicHalehameSoEtAlphabet[22] = {
                0x1200, 0x1208, 0x1210, 0x1218, 0x1228, 0x1230, 0x1238, 0x1240, 0x1260,
                0x1270, 0x1290, 0x12A0, 0x12A8, 0x12B8, 0x12C8, 0x12D0, 0x12E8, 0x12F0,
                0x1300, 0x1308, 0x1338, 0x1348
            };
            return toAlphabetic(value, ethiopicHalehameSoEtAlphabet);
        }
        case Tigre:
        case EthiopicHalehameTig: {
            static const UChar ethiopicHalehameTigAlphabet[27] = {
                0x1200, 0x1208, 0x1210, 0x1218, 0x1228, 0x1230, 0x1238, 0x1240, 0x1260,
                0x1270, 0x1278, 0x1290, 0x12A0, 0x12A8, 0x12C8, 0x12D0, 0x12D8, 0x12E8,
                0x12F0, 0x1300, 0x1308, 0x1320, 0x1328, 0x1338, 0x1330, 0x1348, 0x1350
            };
            return toAlphabetic(value, ethiopicHalehameTigAlphabet);
        }
        case TigrinyaEr:
        case EthiopicHalehameTiEr: {
            static const UChar ethiopicHalehameTiErAlphabet[31] = {
                0x1200, 0x1208, 0x1210, 0x1218, 0x1228, 0x1230, 0x1238, 0x1240, 0x1250,
                0x1260, 0x1270, 0x1278, 0x1290, 0x1298, 0x12A0, 0x12A8, 0x12B8, 0x12C8,
                0x12D0, 0x12D8, 0x12E0, 0x12E8, 0x12F0, 0x1300, 0x1308, 0x1320, 0x1328,
                0x1330, 0x1338, 0x1348, 0x1350
            };
            return toAlphabetic(value, ethiopicHalehameTiErAlphabet);
        }
        case TigrinyaErAbegede:
        case EthiopicAbegedeTiEr: {
            static const UChar ethiopicAbegedeTiErAlphabet[31] = {
                0x12A0, 0x1260, 0x1308, 0x12F0, 0x1300, 0x1200, 0x12C8, 0x12D8, 0x12E0,
                0x1210, 0x1320, 0x1328, 0x12E8, 0x12A8, 0x12B8, 0x1208, 0x1218, 0x1290,
                0x1298, 0x12D0, 0x1348, 0x1338, 0x1240, 0x1250, 0x1228, 0x1230, 0x1238,
                0x1270, 0x1278, 0x1330, 0x1350
            };
            return toAlphabetic(value, ethiopicAbegedeTiErAlphabet);
        }
        case TigrinyaEt:
        case EthiopicHalehameTiEt: {
            static const UChar ethiopicHalehameTiEtAlphabet[34] = {
                0x1200, 0x1208, 0x1210, 0x1218, 0x1220, 0x1228, 0x1230, 0x1238, 0x1240,
                0x1250, 0x1260, 0x1270, 0x1278, 0x1280, 0x1290, 0x1298, 0x12A0, 0x12A8,
                0x12B8, 0x12C8, 0x12D0, 0x12D8, 0x12E0, 0x12E8, 0x12F0, 0x1300, 0x1308,
                0x1320, 0x1328, 0x1330, 0x1338, 0x1340, 0x1348, 0x1350
            };
            return toAlphabetic(value, ethiopicHalehameTiEtAlphabet);
        }
        case TigrinyaEtAbegede:
        case EthiopicAbegedeTiEt: {
            static const UChar ethiopicAbegedeTiEtAlphabet[34] = {
                0x12A0, 0x1260, 0x1308, 0x12F0, 0x1300, 0x1200, 0x12C8, 0x12D8, 0x12E0,
                0x1210, 0x1320, 0x1328, 0x12E8, 0x12A8, 0x12B8, 0x1208, 0x1218, 0x1290,
                0x1298, 0x1220, 0x12D0, 0x1348, 0x1338, 0x1240, 0x1250, 0x1228, 0x1230,
                0x1238, 0x1270, 0x1278, 0x1280, 0x1340, 0x1330, 0x1350
            };
            return toAlphabetic(value, ethiopicAbegedeTiEtAlphabet);
        }
        case UpperGreek: {
            static const UChar upperGreekAlphabet[24] = {
                0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397, 0x0398, 0x0399,
                0x039A, 0x039B, 0x039C, 0x039D, 0x039E, 0x039F, 0x03A0, 0x03A1, 0x03A3,
                0x03A4, 0x03A5, 0x03A6, 0x03A7, 0x03A8, 0x03A9
            };
            return toAlphabetic(value, upperGreekAlphabet);
        }
        case LowerNorwegian: {
            static const LChar lowerNorwegianAlphabet[29] = {
                0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
                0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72,
                0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0xE6,
                0xF8, 0xE5
            };
            return toAlphabetic(value, lowerNorwegianAlphabet);
        }
        case UpperNorwegian: {
            static const LChar upperNorwegianAlphabet[29] = {
                0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
                0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52,
                0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0xC6,
                0xD8, 0xC5
            };
            return toAlphabetic(value, upperNorwegianAlphabet);
        }
        case CJKIdeographic: {
            static const UChar traditionalChineseInformalTable[16] = {
                0x842C, 0x5104, 0x5146,
                0x5341, 0x767E, 0x5343,
                0x96F6, 0x4E00, 0x4E8C, 0x4E09, 0x56DB,
                0x4E94, 0x516D, 0x4E03, 0x516B, 0x4E5D
            };
            return toCJKIdeographic(value, traditionalChineseInformalTable);
        }

        case LowerRoman:
            return toRoman(value, false);
        case UpperRoman:
            return toRoman(value, true);

        case Armenian:
        case UpperArmenian:
            // CSS3 says "armenian" means "lower-armenian".
            // But the CSS2.1 test suite contains uppercase test results for "armenian",
            // so we'll match the test suite.
            return toArmenian(value, true);
        case LowerArmenian:
            return toArmenian(value, false);
        case Georgian:
            return toGeorgian(value);
        case Hebrew:
            return toHebrew(value);
    }

    ASSERT_NOT_REACHED();
    return "";
}

RenderListMarker::RenderListMarker(RenderListItem* item, PassRefPtr<RenderStyle> style)
    : RenderBox(*item->document(), style, 0)
    , m_listItem(item)
{
    // init RenderObject attributes
    setInline(true);   // our object is Inline
    setReplaced(true); // pretend to be replaced
}

RenderListMarker::~RenderListMarker()
{
    m_listItem->didDestroyListMarker();
    if (m_image)
        m_image->removeClient(this);
}

void RenderListMarker::styleWillChange(StyleDifference diff, const RenderStyle* newStyle)
{
    if (style() && (newStyle->listStylePosition() != style()->listStylePosition() || newStyle->listStyleType() != style()->listStyleType()))
        setNeedsLayoutAndPrefWidthsRecalc();
    
    RenderBox::styleWillChange(diff, newStyle);
}

void RenderListMarker::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
{
    RenderBox::styleDidChange(diff, oldStyle);

    if (m_image != style()->listStyleImage()) {
        if (m_image)
            m_image->removeClient(this);
        m_image = style()->listStyleImage();
        if (m_image)
            m_image->addClient(this);
    }
}

InlineElementBox* RenderListMarker::createInlineBox()
{
	auto* result = RenderBox::createInlineBox();
    result->setBehavesLikeText(isText());
    return result;
}

bool RenderListMarker::isImage() const
{
    return m_image && !m_image->errorOccurred();
}

LayoutRect RenderListMarker::localSelectionRect()
{
    InlineBox* box = inlineBoxWrapper();
    if (!box)
        return LayoutRect(LayoutPoint(), size());
    RootInlineBox* root = m_inlineBoxWrapper->root();
    LayoutUnit newLogicalTop = root->blockFlow().style()->isFlippedBlocksWritingMode() ? m_inlineBoxWrapper->logicalBottom() - root->selectionBottom() : root->selectionTop() - m_inlineBoxWrapper->logicalTop();
    if (root->blockFlow().style()->isHorizontalWritingMode())
        return LayoutRect(0, newLogicalTop, width(), root->selectionHeight());
    return LayoutRect(newLogicalTop, 0, root->selectionHeight(), height());
}

void RenderListMarker::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
    if (paintInfo.phase != PaintPhaseForeground)
        return;
    
    if (style()->visibility() != VISIBLE)
        return;

    LayoutPoint boxOrigin(paintOffset + location());
    LayoutRect overflowRect(visualOverflowRect());
    overflowRect.moveBy(boxOrigin);
    overflowRect.inflate(maximalOutlineSize(paintInfo.phase));

    if (!paintInfo.rect.intersects(snappedIntRect(overflowRect)))
        return;

    LayoutRect box(boxOrigin, size());
    
    IntRect marker = getRelativeMarkerRect();
    marker.moveBy(roundedIntPoint(boxOrigin));

    GraphicsContext* context = paintInfo.context;

    if (isImage()) {
#if PLATFORM(MAC)
        if (style()->highlight() != nullAtom && !paintInfo.context->paintingDisabled())
            paintCustomHighlight(paintOffset, style()->highlight(), true);
#endif
        context->drawImage(m_image->image(this, marker.size()).get(), marker);
        if (selectionState() != SelectionNone) {
            LayoutRect selRect = localSelectionRect();
            selRect.moveBy(boxOrigin);
            context->fillRect(snappedIntRect(selRect), selectionBackgroundColor());
        }
        return;
    }

#if PLATFORM(MAC)
    // FIXME: paint gap between marker and list item proper
    if (style()->highlight() != nullAtom && !paintInfo.context->paintingDisabled())
        paintCustomHighlight(paintOffset, style()->highlight(), true);
#endif

    if (selectionState() != SelectionNone) {
        LayoutRect selRect = localSelectionRect();
        selRect.moveBy(boxOrigin);
        context->fillRect(snappedIntRect(selRect), selectionBackgroundColor());
    }

    const Color color(style()->visitedDependentColor(CSSPropertyColor));
    context->setStrokeColor(color);
    context->setStrokeStyle(SolidStroke);
    context->setStrokeThickness(1.0f);
    context->setFillColor(color);

    EListStyleType type = style()->listStyleType();
    switch (type) {
        case Disc:
            context->drawEllipse(marker);
            return;
        case Circle:
            context->setFillColor(Color::transparent);
            context->drawEllipse(marker);
            return;
        case Square:
            context->drawRect(marker);
            return;
        case NoneListStyle:
            return;
        case Afar:
        case Amharic:
        case AmharicAbegede:
        case ArabicIndic:
        case Armenian:
        case BinaryListStyle:
        case Bengali:
        case Cambodian:
        case CJKIdeographic:
        case CjkEarthlyBranch:
        case CjkHeavenlyStem:
        case DecimalLeadingZero:
        case DecimalListStyle:
        case Devanagari:
        case Ethiopic:
        case EthiopicAbegede:
        case EthiopicAbegedeAmEt:
        case EthiopicAbegedeGez:
        case EthiopicAbegedeTiEr:
        case EthiopicAbegedeTiEt:
        case EthiopicHalehameAaEr:
        case EthiopicHalehameAaEt:
        case EthiopicHalehameAmEt:
        case EthiopicHalehameGez:
        case EthiopicHalehameOmEt:
        case EthiopicHalehameSidEt:
        case EthiopicHalehameSoEt:
        case EthiopicHalehameTiEr:
        case EthiopicHalehameTiEt:
        case EthiopicHalehameTig:
        case Georgian:
        case Gujarati:
        case Gurmukhi:
        case Hangul:
        case HangulConsonant:
        case Hebrew:
        case Hiragana:
        case HiraganaIroha:
        case Kannada:
        case Katakana:
        case KatakanaIroha:
        case Khmer:
        case Lao:
        case LowerAlpha:
        case LowerArmenian:
        case LowerGreek:
        case LowerHexadecimal:
        case LowerLatin:
        case LowerNorwegian:
        case LowerRoman:
        case Malayalam:
        case Mongolian:
        case Myanmar:
        case Octal:
        case Oriya:
        case Oromo:
        case Persian:
        case Sidama:
        case Somali:
        case Telugu:
        case Thai:
        case Tibetan:
        case Tigre:
        case TigrinyaEr:
        case TigrinyaErAbegede:
        case TigrinyaEt:
        case TigrinyaEtAbegede:
        case UpperAlpha:
        case UpperArmenian:
        case UpperGreek:
        case UpperHexadecimal:
        case UpperLatin:
        case UpperNorwegian:
        case UpperRoman:
        case Urdu:
        case Asterisks:
        case Footnotes:
            break;
    }
    if (m_text.isEmpty())
        return;

    const Font& font = style()->font();
    TextRun textRun = RenderBlock::constructTextRun(this, font, m_text, style());

    GraphicsContextStateSaver stateSaver(*context, false);
    if (!style()->isHorizontalWritingMode()) {
        marker.moveBy(roundedIntPoint(-boxOrigin));
        marker = marker.transposedRect();
        marker.moveBy(IntPoint(roundToInt(box.x()), roundToInt(box.y() - logicalHeight())));
        stateSaver.save();
        context->translate(marker.x(), marker.maxY());
        context->rotate(static_cast<float>(deg2rad(90.)));
        context->translate(-marker.x(), -marker.maxY());
    }

    IntPoint textOrigin = IntPoint(marker.x(), marker.y() + style()->fontMetrics().ascent());

    if (type == Asterisks || type == Footnotes)
        context->drawText(font, textRun, textOrigin);
    else {
        // Text is not arbitrary. We can judge whether it's RTL from the first character,
        // and we only need to handle the direction U_RIGHT_TO_LEFT for now.
        bool textNeedsReversing = u_charDirection(m_text[0]) == U_RIGHT_TO_LEFT;
        String reversedText;
		if (textNeedsReversing) {
			unsigned length = m_text.length();
			StringBuilder buffer;
			buffer.reserveCapacity(length);
			for (unsigned i = 0; i < length; ++i)
				buffer.append(m_text[length - i]);
			reversedText = buffer.toString();
			textRun.setText(StringView(reversedText));
		}

        const UChar suffix = listMarkerSuffix(type, m_listItem->value());
        if (style()->isLeftToRightDirection()) {
            int width = font.width(textRun);
            context->drawText(font, textRun, textOrigin);
            UChar suffixSpace[2] = { suffix, ' ' };
            context->drawText(font, RenderBlock::constructTextRun(this, font, suffixSpace, 2, style()), textOrigin + IntSize(width, 0));
        } else {
            UChar spaceSuffix[2] = { ' ', suffix };
            TextRun spaceSuffixRun = RenderBlock::constructTextRun(this, font, spaceSuffix, 2, style());
            int width = font.width(spaceSuffixRun);
            context->drawText(font, spaceSuffixRun, textOrigin);
            context->drawText(font, textRun, textOrigin + IntSize(width, 0));
        }
    }
}

void RenderListMarker::layout()
{
    ASSERT(needsLayout());

    LayoutUnit blockOffset;
    for (auto* box = parentBox(); box && box != m_listItem; box = box->parentBox())
        blockOffset += box->logicalTop();
    if (style()->isLeftToRightDirection())
        m_lineOffsetForListItem = m_listItem->logicalLeftOffsetForLine(blockOffset, DoNotIndentText, LayoutUnit());
    else
        m_lineOffsetForListItem = m_listItem->logicalRightOffsetForLine(blockOffset, DoNotIndentText, LayoutUnit());
 
    if (isImage()) {
        updateMarginsAndContent();
        setWidth(m_image->imageSize(this, style()->effectiveZoom()).width());
        setHeight(m_image->imageSize(this, style()->effectiveZoom()).height());
    } else {
        setLogicalWidth(minPreferredLogicalWidth());
        setLogicalHeight(style()->fontMetrics().height());
    }

    setMarginStart(0);
    setMarginEnd(0);

    Length startMargin = style()->marginStart();
    Length endMargin = style()->marginEnd();
    if (startMargin.isFixed())
        setMarginStart(startMargin.value());
    if (endMargin.isFixed())
        setMarginEnd(endMargin.value());

    clearNeedsLayout();
}

void RenderListMarker::imageChanged(WrappedImagePtr o, const IntRect*)
{
    // A list marker can't have a background or border image, so no need to call the base class method.
    if (o != m_image->data())
        return;

    if (width() != m_image->imageSize(this, style()->effectiveZoom()).width() || height() != m_image->imageSize(this, style()->effectiveZoom()).height() || m_image->errorOccurred())
        setNeedsLayoutAndPrefWidthsRecalc();
    else
        repaint();
}

void RenderListMarker::updateMarginsAndContent()
{
    updateContent();
    updateMargins();
}

void RenderListMarker::updateContent()
{
    // FIXME: This if-statement is just a performance optimization, but it's messy to use the preferredLogicalWidths dirty bit for this.
    // It's unclear if this is a premature optimization.
    if (!preferredLogicalWidthsDirty())
        return;

    m_text = "";

    if (isImage()) {
        // FIXME: This is a somewhat arbitrary width.  Generated images for markers really won't become particularly useful
        // until we support the CSS3 marker pseudoclass to allow control over the width and height of the marker box.
        int bulletWidth = style()->fontMetrics().ascent() / 2;
        m_image->setContainerSizeForRenderer(this, IntSize(bulletWidth, bulletWidth), style()->effectiveZoom());
        return;
	}

	EListStyleType type = style()->listStyleType();
	switch (type) {
	case NoneListStyle:
		break;
	case Circle:
	case Disc:
	case Square:
		m_text = listMarkerText(type, 0); // value is ignored for these types
		break;
	case Asterisks:
	case Footnotes:
	case Afar:
	case Amharic:
	case AmharicAbegede:
	case ArabicIndic:
	case Armenian:
	case BinaryListStyle:
	case Bengali:
	case Cambodian:
	case CJKIdeographic:
	case CjkEarthlyBranch:
	case CjkHeavenlyStem:
	case DecimalLeadingZero:
	case DecimalListStyle:
	case Devanagari:
	case Ethiopic:
	case EthiopicAbegede:
	case EthiopicAbegedeAmEt:
	case EthiopicAbegedeGez:
	case EthiopicAbegedeTiEr:
	case EthiopicAbegedeTiEt:
	case EthiopicHalehameAaEr:
	case EthiopicHalehameAaEt:
	case EthiopicHalehameAmEt:
	case EthiopicHalehameGez:
	case EthiopicHalehameOmEt:
	case EthiopicHalehameSidEt:
	case EthiopicHalehameSoEt:
	case EthiopicHalehameTiEr:
	case EthiopicHalehameTiEt:
	case EthiopicHalehameTig:
	case Georgian:
	case Gujarati:
	case Gurmukhi:
	case Hangul:
	case HangulConsonant:
	case Hebrew:
	case Hiragana:
	case HiraganaIroha:
	case Kannada:
	case Katakana:
	case KatakanaIroha:
	case Khmer:
	case Lao:
	case LowerAlpha:
	case LowerArmenian:
	case LowerGreek:
	case LowerHexadecimal:
	case LowerLatin:
	case LowerNorwegian:
	case LowerRoman:
	case Malayalam:
	case Mongolian:
	case Myanmar:
	case Octal:
	case Oriya:
	case Oromo:
	case Persian:
	case Sidama:
	case Somali:
	case Telugu:
	case Thai:
	case Tibetan:
	case Tigre:
	case TigrinyaEr:
	case TigrinyaErAbegede:
	case TigrinyaEt:
	case TigrinyaEtAbegede:
	case UpperAlpha:
	case UpperArmenian:
	case UpperGreek:
	case UpperHexadecimal:
	case UpperLatin:
	case UpperNorwegian:
	case UpperRoman:
	case Urdu:
		m_text = listMarkerText(type, m_listItem->value());
		break;
	}
}

void RenderListMarker::computePreferredLogicalWidths()
{
	ASSERT(preferredLogicalWidthsDirty());
	updateContent();

	if (isImage()) {
		LayoutSize imageSize = LayoutSize(m_image->imageSize(this, style()->effectiveZoom()));
        m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth = style()->isHorizontalWritingMode() ? imageSize.width() : imageSize.height();
        setPreferredLogicalWidthsDirty(false);
        updateMargins();
        return;
    }

    const Font& font = style()->font();

    LayoutUnit logicalWidth = 0;
    EListStyleType type = style()->listStyleType();
    switch (type) {
        case NoneListStyle:
            break;
        case Asterisks:
        case Footnotes:{
            TextRun run = RenderBlock::constructTextRun(this, font, m_text, style(), AllowTrailingExpansion | ForbidLeadingExpansion, DefaultTextRunFlags);
            logicalWidth = font.width(run); // no suffix for these types
        }
            break;
        case Circle:
        case Disc:
        case Square:
            logicalWidth = (font.fontMetrics().ascent() * 2 / 3 + 1) / 2 + 2;
            break;
        case Afar:
        case Amharic:
        case AmharicAbegede:
        case ArabicIndic:
        case Armenian:
        case BinaryListStyle:
        case Bengali:
        case Cambodian:
        case CJKIdeographic:
        case CjkEarthlyBranch:
        case CjkHeavenlyStem:
        case DecimalLeadingZero:
        case DecimalListStyle:
        case Devanagari:
        case Ethiopic:
        case EthiopicAbegede:
        case EthiopicAbegedeAmEt:
        case EthiopicAbegedeGez:
        case EthiopicAbegedeTiEr:
        case EthiopicAbegedeTiEt:
        case EthiopicHalehameAaEr:
        case EthiopicHalehameAaEt:
        case EthiopicHalehameAmEt:
        case EthiopicHalehameGez:
        case EthiopicHalehameOmEt:
        case EthiopicHalehameSidEt:
        case EthiopicHalehameSoEt:
        case EthiopicHalehameTiEr:
        case EthiopicHalehameTiEt:
        case EthiopicHalehameTig:
        case Georgian:
        case Gujarati:
        case Gurmukhi:
        case Hangul:
        case HangulConsonant:
        case Hebrew:
        case Hiragana:
        case HiraganaIroha:
        case Kannada:
        case Katakana:
        case KatakanaIroha:
        case Khmer:
        case Lao:
        case LowerAlpha:
        case LowerArmenian:
        case LowerGreek:
        case LowerHexadecimal:
        case LowerLatin:
        case LowerNorwegian:
        case LowerRoman:
        case Malayalam:
        case Mongolian:
        case Myanmar:
        case Octal:
        case Oriya:
        case Oromo:
        case Persian:
        case Sidama:
        case Somali:
        case Telugu:
        case Thai:
        case Tibetan:
        case Tigre:
        case TigrinyaEr:
        case TigrinyaErAbegede:
        case TigrinyaEt:
        case TigrinyaEtAbegede:
        case UpperAlpha:
        case UpperArmenian:
        case UpperGreek:
        case UpperHexadecimal:
        case UpperLatin:
        case UpperNorwegian:
        case UpperRoman:
        case Urdu:
            if (m_text.isEmpty())
                logicalWidth = 0;
            else {
                TextRun run = RenderBlock::constructTextRun(this, font, m_text, style(), AllowTrailingExpansion | ForbidLeadingExpansion, DefaultTextRunFlags);
                LayoutUnit itemWidth = font.width(run);
				UChar suffixSpace[2] = { listMarkerSuffix(type, m_listItem->value()), ' ' };
                LayoutUnit suffixSpaceWidth = font.width(RenderBlock::constructTextRun(this, font, suffixSpace, 2, style()));
                logicalWidth = itemWidth + suffixSpaceWidth;
            }
            break;
    }

    m_minPreferredLogicalWidth = logicalWidth;
    m_maxPreferredLogicalWidth = logicalWidth;

    setPreferredLogicalWidthsDirty(false);
    
    updateMargins();
}

void RenderListMarker::updateMargins()
{
    const FontMetrics& fontMetrics = style()->fontMetrics();

    LayoutUnit marginStart = 0;
    LayoutUnit marginEnd = 0;

    if (isInside()) {
        if (isImage())
            marginEnd = cMarkerPadding;
        else switch (style()->listStyleType()) {
            case Disc:
            case Circle:
            case Square:
                marginStart = -1;
                marginEnd = fontMetrics.ascent() - minPreferredLogicalWidth() + 1;
                break;
            default:
                break;
        }
    } else {
        if (style()->isLeftToRightDirection()) {
            if (isImage())
                marginStart = -minPreferredLogicalWidth() - cMarkerPadding;
            else {
                int offset = fontMetrics.ascent() * 2 / 3;
                switch (style()->listStyleType()) {
                    case Disc:
                    case Circle:
                    case Square:
                        marginStart = -offset - cMarkerPadding - 1;
                        break;
                    case NoneListStyle:
                        break;
                    default:
                        marginStart = m_text.isEmpty() ? LayoutUnit() : -minPreferredLogicalWidth() - offset / 2;
                }
            }
            marginEnd = -marginStart - minPreferredLogicalWidth();
        } else {
            if (isImage())
                marginEnd = cMarkerPadding;
            else {
                int offset = fontMetrics.ascent() * 2 / 3;
                switch (style()->listStyleType()) {
                    case Disc:
                    case Circle:
                    case Square:
                        marginEnd = offset + cMarkerPadding + 1 - minPreferredLogicalWidth();
                        break;
                    case NoneListStyle:
                        break;
                    default:
                        marginEnd = m_text.isEmpty() ? 0 : offset / 2;
                }
            }
            marginStart = -marginEnd - minPreferredLogicalWidth();
        }
        
    }

    style()->setMarginStart(Length(marginStart, Fixed));
    style()->setMarginEnd(Length(marginEnd, Fixed));
}

LayoutUnit RenderListMarker::lineHeight(bool firstLine, LineDirectionMode direction, LinePositionMode linePositionMode) const
{
    if (!isImage())
        return m_listItem->lineHeight(firstLine, direction, PositionOfInteriorLineBoxes);
    return RenderBox::lineHeight(firstLine, direction, linePositionMode);
}

int RenderListMarker::baselinePosition(FontBaseline baselineType, bool firstLine, LineDirectionMode direction, LinePositionMode linePositionMode) const
{
    if (!isImage())
        return m_listItem->baselinePosition(baselineType, firstLine, direction, PositionOfInteriorLineBoxes);
    return RenderBox::baselinePosition(baselineType, firstLine, direction, linePositionMode);
}

String RenderListMarker::suffix() const
{
    EListStyleType type = style()->listStyleType();
    const UChar suffix = listMarkerSuffix(type, m_listItem->value());

    if (suffix == ' ')
        return String(" ");

    // If the suffix is not ' ', an extra space is needed
    UChar data[2];
    if (style()->isLeftToRightDirection()) {
        data[0] = suffix;
        data[1] = ' ';
    } else {
        data[0] = ' ';
        data[1] = suffix;
    }

    return String(data, 2);
}

bool RenderListMarker::isInside() const
{
    return m_listItem->notInList() || style()->listStylePosition() == INSIDE;
}

IntRect RenderListMarker::getRelativeMarkerRect()
{
    if (isImage())
        return IntRect(0, 0, m_image->imageSize(this, style()->effectiveZoom()).width(), m_image->imageSize(this, style()->effectiveZoom()).height());
    
    IntRect relativeRect;
    EListStyleType type = style()->listStyleType();
    switch (type) {
        case Asterisks:
        case Footnotes: {
            const Font& font = style()->font();
            TextRun run = RenderBlock::constructTextRun(this, font, m_text, style(), AllowTrailingExpansion | ForbidLeadingExpansion, DefaultTextRunFlags);
			relativeRect = IntRect(0, 0, font.width(run), font.fontMetrics().height());
			break;
        }
        case Disc:
        case Circle:
        case Square: {
            // FIXME: Are these particular rounding rules necessary?
            const FontMetrics& fontMetrics = style()->fontMetrics();
            int ascent = fontMetrics.ascent();
            int bulletWidth = (ascent * 2 / 3 + 1) / 2;
            relativeRect = IntRect(1, 3 * (ascent - ascent * 2 / 3) / 2, bulletWidth, bulletWidth);
            break;
        }
        case NoneListStyle:
            return IntRect();
        case Afar:
        case Amharic:
        case AmharicAbegede:
        case ArabicIndic:
        case Armenian:
        case BinaryListStyle:
        case Bengali:
        case Cambodian:
        case CJKIdeographic:
        case CjkEarthlyBranch:
        case CjkHeavenlyStem:
        case DecimalLeadingZero:
        case DecimalListStyle:
        case Devanagari:
        case Ethiopic:
        case EthiopicAbegede:
        case EthiopicAbegedeAmEt:
        case EthiopicAbegedeGez:
        case EthiopicAbegedeTiEr:
        case EthiopicAbegedeTiEt:
        case EthiopicHalehameAaEr:
        case EthiopicHalehameAaEt:
        case EthiopicHalehameAmEt:
        case EthiopicHalehameGez:
        case EthiopicHalehameOmEt:
        case EthiopicHalehameSidEt:
        case EthiopicHalehameSoEt:
        case EthiopicHalehameTiEr:
        case EthiopicHalehameTiEt:
        case EthiopicHalehameTig:
        case Georgian:
        case Gujarati:
        case Gurmukhi:
        case Hangul:
        case HangulConsonant:
        case Hebrew:
        case Hiragana:
        case HiraganaIroha:
        case Kannada:
        case Katakana:
        case KatakanaIroha:
        case Khmer:
        case Lao:
        case LowerAlpha:
        case LowerArmenian:
        case LowerGreek:
        case LowerHexadecimal:
        case LowerLatin:
        case LowerNorwegian:
        case LowerRoman:
        case Malayalam:
        case Mongolian:
        case Myanmar:
        case Octal:
        case Oriya:
        case Oromo:
        case Persian:
        case Sidama:
        case Somali:
        case Telugu:
        case Thai:
        case Tibetan:
        case Tigre:
        case TigrinyaEr:
        case TigrinyaErAbegede:
        case TigrinyaEt:
        case TigrinyaEtAbegede:
        case UpperAlpha:
        case UpperArmenian:
        case UpperGreek:
        case UpperHexadecimal:
        case UpperLatin:
        case UpperNorwegian:
        case UpperRoman:
        case Urdu:
            if (m_text.isEmpty())
                return IntRect();
            const Font& font = style()->font();
            TextRun run = RenderBlock::constructTextRun(this, font, m_text, style(), AllowTrailingExpansion | ForbidLeadingExpansion, DefaultTextRunFlags);
			int itemWidth = font.width(run);
		    UChar suffixSpace[2] = { listMarkerSuffix(type, m_listItem->value()), ' ' };
            int suffixSpaceWidth = font.width(RenderBlock::constructTextRun(this, font, suffixSpace, 2, style()));
            relativeRect = IntRect(0, 0, itemWidth + suffixSpaceWidth, font.fontMetrics().height());
    }

    if (!style()->isHorizontalWritingMode()) {
        relativeRect = relativeRect.transposedRect();
        relativeRect.setX(width() - relativeRect.x() - relativeRect.width());
    }

    return relativeRect;
}

void RenderListMarker::setSelectionState(SelectionState state)
{
    // The selection state for our containing block hierarchy is updated by the base class call.
    RenderBox::setSelectionState(state);

    if (m_inlineBoxWrapper && canUpdateSelectionOnRootLineBoxes())
        if (RootInlineBox* root = m_inlineBoxWrapper->root())
            root->setHasSelectedChildren(state != SelectionNone);
}

LayoutRect RenderListMarker::selectionRectForRepaint(RenderLayerModelObject* repaintContainer, bool clipToVisibleContent)
{
    ASSERT(!needsLayout());

    if (selectionState() == SelectionNone || !inlineBoxWrapper())
        return LayoutRect();

    RootInlineBox* root = inlineBoxWrapper()->root();
    LayoutRect rect(0, root->selectionTop() - y(), width(), root->selectionHeight());
            
    if (clipToVisibleContent)
        return computeRectForRepaint(rect, repaintContainer);
    return localToContainerQuad(FloatRect(rect), repaintContainer).enclosingBoundingBox();
}

} // namespace WebCore
