/*
 * Copyright (c) 2008-2010 Mozilla Foundation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#define nsHtml5NamedCharacters_cpp_
#include "jArray.h"
#include "mozilla/ArrayUtils.h"
#include "mozilla/Logging.h"
#include "nsDebug.h"
#include "nscore.h"

#include "nsHtml5NamedCharacters.h"

const char16_t nsHtml5NamedCharacters::VALUES[][2] = {
#define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) {VALUE},
#include "nsHtml5NamedCharactersInclude.h"
#undef NAMED_CHARACTER_REFERENCE
    {0, 0}};

char16_t** nsHtml5NamedCharacters::WINDOWS_1252;
static char16_t const WINDOWS_1252_DATA[] = {
    0x20AC, 0x0081, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
    0x02C6, 0x2030, 0x0160, 0x2039, 0x0152, 0x008D, 0x017D, 0x008F,
    0x0090, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
    0x02DC, 0x2122, 0x0161, 0x203A, 0x0153, 0x009D, 0x017E, 0x0178};

/**
 * To avoid having lots of pointers in the |charData| array, below,
 * which would cause us to have to do lots of relocations at library
 * load time, store all the string data for the names in one big array.
 * Then use tricks with enums to help us build an array that contains
 * the positions of each within the big arrays.
 */

static const int8_t ALL_NAMES[] = {
#define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) CHARS,
#include "nsHtml5NamedCharactersInclude.h"
#undef NAMED_CHARACTER_REFERENCE
};

enum NamePositions {
  DUMMY_INITIAL_NAME_POSITION = 0,
/* enums don't take up space, so generate _START and _END */
#define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE)    \
  NAME_##N##_DUMMY, /* automatically one higher than previous */ \
      NAME_##N##_START = NAME_##N##_DUMMY - 1,                   \
      NAME_##N##_END = NAME_##N##_START + LEN + FLAG,
#include "nsHtml5NamedCharactersInclude.h"
#undef NAMED_CHARACTER_REFERENCE
  DUMMY_FINAL_NAME_VALUE
};

static_assert(MOZ_ARRAY_LENGTH(ALL_NAMES) < 0x10000,
              "Start positions should fit in 16 bits");

const nsHtml5CharacterName nsHtml5NamedCharacters::NAMES[] = {
#ifdef DEBUG
#  define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \
    {NAME_##N##_START, LEN, N},
#else
#  define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \
    {                                                           \
        NAME_##N##_START,                                       \
        LEN,                                                    \
    },
#endif
#include "nsHtml5NamedCharactersInclude.h"
#undef NAMED_CHARACTER_REFERENCE
};

int32_t nsHtml5CharacterName::length() const { return nameLen; }

char16_t nsHtml5CharacterName::charAt(int32_t index) const {
  return static_cast<char16_t>(ALL_NAMES[nameStart + index]);
}

void nsHtml5NamedCharacters::initializeStatics() {
  WINDOWS_1252 = new char16_t*[32];
  for (int32_t i = 0; i < 32; ++i) {
    WINDOWS_1252[i] = (char16_t*)&(WINDOWS_1252_DATA[i]);
  }
}

void nsHtml5NamedCharacters::releaseStatics() { delete[] WINDOWS_1252; }
