third_party/blink/renderer/core/html/parser/html_entity_table.h

/*
 * Copyright (C) 2010 Google, Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_PARSER_HTML_ENTITY_TABLE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_PARSER_HTML_ENTITY_TABLE_H_

#include "third_party/blink/renderer/platform/wtf/allocator.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"

namespace blink {

// Member order to optimize packing. There will be thousands of these objects.
struct HTMLEntityTableEntry {
  DISALLOW_NEW();
  LChar LastCharacter() const;

  UChar32 first_value;
  UChar second_value;  // UChar since double char sequences only use BMP chars.
  short entity_offset;
  short length;
};

class HTMLEntityTable {
  STATIC_ONLY(HTMLEntityTable);

 public:
  static const HTMLEntityTableEntry* FirstEntry();
  static const HTMLEntityTableEntry* LastEntry();

  static const HTMLEntityTableEntry* FirstEntryStartingWith(UChar);
  static const HTMLEntityTableEntry* LastEntryStartingWith(UChar);

  static const LChar* EntityString(const HTMLEntityTableEntry&);
};

}  // namespace blink

#endif