/*
 * 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "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 THE COPYRIGHT
 * OWNER 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
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef CSSPropertySourceData_h
#define CSSPropertySourceData_h

#include "core/css/StyleRule.h"
#include "platform/heap/Handle.h"
#include "platform/wtf/Forward.h"
#include "platform/wtf/Vector.h"
#include "platform/wtf/text/WTFString.h"

namespace blink {

class SourceRange {
  DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();

 public:
  SourceRange();
  SourceRange(unsigned start, unsigned end);
  unsigned length() const;

  unsigned start;
  unsigned end;
};

}  // namespace blink

WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(blink::SourceRange);

namespace blink {

class CSSPropertySourceData {
  DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();

 public:
  CSSPropertySourceData(const String& name,
                        const String& value,
                        bool important,
                        bool disabled,
                        bool parsed_ok,
                        const SourceRange& range);
  CSSPropertySourceData(const CSSPropertySourceData& other);

  String name;
  String value;
  bool important;
  bool disabled;
  bool parsed_ok;
  SourceRange range;
};

}  // namespace blink

WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(blink::CSSPropertySourceData);

namespace blink {

class CSSRuleSourceData : public GarbageCollectedFinalized<CSSRuleSourceData> {
 public:
  explicit CSSRuleSourceData(StyleRule::RuleType type) : type(type) {}
  DEFINE_INLINE_TRACE() { visitor->Trace(child_rules); };

  bool HasProperties() const {
    return type == StyleRule::kStyle || type == StyleRule::kFontFace ||
           type == StyleRule::kPage || type == StyleRule::kKeyframe;
  }

  bool HasMedia() const {
    return type == StyleRule::kMedia || type == StyleRule::kImport;
  }

  StyleRule::RuleType type;

  // Range of the selector list in the enclosing source.
  SourceRange rule_header_range;

  // Range of the rule body (e.g. style text for style rules) in the enclosing
  // source.
  SourceRange rule_body_range;

  // Only for CSSStyleRules.
  Vector<SourceRange> selector_ranges;

  // Only for CSSStyleRules, CSSFontFaceRules, and CSSPageRules.
  Vector<CSSPropertySourceData> property_data;

  // Only for CSSMediaRules.
  HeapVector<Member<CSSRuleSourceData>> child_rules;

  // Only for CSSMediaRules and CSSImportRules.
  // Source ranges for media query -> expression -> value.
  Vector<Vector<SourceRange>> media_query_exp_value_ranges;
};

using CSSRuleSourceDataList = HeapVector<Member<CSSRuleSourceData>>;

}  // namespace blink

#endif  // CSSPropertySourceData_h
