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/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* (C) 2002-2003 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2002, 2005, 2006, 2007 Apple 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.
*/
#include "config.h"
#include "CSSRule.h"
#include "CSSCharsetRule.h"
#include "CSSFontFaceRule.h"
#include "CSSImportRule.h"
#include "CSSMediaRule.h"
#include "CSSPageRule.h"
#include "CSSStyleRule.h"
#include "CSSStyleSheet.h"
#include "CSSUnknownRule.h"
#include "WebKitCSSKeyframeRule.h"
#include "WebKitCSSKeyframesRule.h"
#include "WebKitCSSRegionRule.h"
#include "NotImplemented.h"
#include "StyleRule.h"
#include "StyleSheetContents.h"
namespace WebCore {
struct SameSizeAsCSSRule : public RefCounted<SameSizeAsCSSRule> {
unsigned bitfields;
void* pointerUnion;
};
COMPILE_ASSERT(sizeof(CSSRule) == sizeof(SameSizeAsCSSRule), CSSRule_should_stay_small);
#if ENABLE(CSS_REGIONS)
COMPILE_ASSERT(StyleRuleBase::Region == static_cast<StyleRuleBase::Type>(CSSRule::WEBKIT_REGION_RULE), enums_should_match);
#endif
void CSSRule::setCssText(const String& /*cssText*/, ExceptionCode& /*ec*/)
{
notImplemented();
}
String CSSRule::cssText() const
{
switch (type()) {
case UNKNOWN_RULE:
return String();
case STYLE_RULE:
return static_cast<const CSSStyleRule*>(this)->cssText();
case PAGE_RULE:
return static_cast<const CSSPageRule*>(this)->cssText();
case CHARSET_RULE:
return static_cast<const CSSCharsetRule*>(this)->cssText();
case IMPORT_RULE:
return static_cast<const CSSImportRule*>(this)->cssText();
case MEDIA_RULE:
return static_cast<const CSSMediaRule*>(this)->cssText();
case FONT_FACE_RULE:
return static_cast<const CSSFontFaceRule*>(this)->cssText();
case WEBKIT_KEYFRAMES_RULE:
return static_cast<const WebKitCSSKeyframesRule*>(this)->cssText();
case WEBKIT_KEYFRAME_RULE:
return static_cast<const WebKitCSSKeyframeRule*>(this)->cssText();
#if ENABLE(CSS_REGIONS)
case WEBKIT_REGION_RULE:
return static_cast<const WebKitCSSRegionRule*>(this)->cssText();
#endif
}
ASSERT_NOT_REACHED();
return String();
}
void CSSRule::destroy()
{
switch (type()) {
case UNKNOWN_RULE:
delete static_cast<CSSUnknownRule*>(this);
return;
case STYLE_RULE:
delete static_cast<CSSStyleRule*>(this);
return;
case PAGE_RULE:
delete static_cast<CSSPageRule*>(this);
return;
case CHARSET_RULE:
delete static_cast<CSSCharsetRule*>(this);
return;
case IMPORT_RULE:
delete static_cast<CSSImportRule*>(this);
return;
case MEDIA_RULE:
delete static_cast<CSSMediaRule*>(this);
return;
case FONT_FACE_RULE:
delete static_cast<CSSFontFaceRule*>(this);
return;
case WEBKIT_KEYFRAMES_RULE:
delete static_cast<WebKitCSSKeyframesRule*>(this);
return;
case WEBKIT_KEYFRAME_RULE:
delete static_cast<WebKitCSSKeyframeRule*>(this);
return;
#if ENABLE(CSS_REGIONS)
case WEBKIT_REGION_RULE:
delete static_cast<WebKitCSSRegionRule*>(this);
return;
#endif
}
ASSERT_NOT_REACHED();
}
void CSSRule::reattach(StyleRuleBase* rule)
{
switch (type()) {
case UNKNOWN_RULE:
return;
case STYLE_RULE:
static_cast<CSSStyleRule*>(this)->reattach(static_cast<StyleRule*>(rule));
return;
case PAGE_RULE:
static_cast<CSSPageRule*>(this)->reattach(static_cast<StyleRulePage*>(rule));
return;
case CHARSET_RULE:
ASSERT(!rule);
return;
case IMPORT_RULE:
// FIXME: Implement when enabling caching for stylesheets with import rules.
ASSERT_NOT_REACHED();
return;
case MEDIA_RULE:
static_cast<CSSMediaRule*>(this)->reattach(static_cast<StyleRuleMedia*>(rule));
return;
case FONT_FACE_RULE:
static_cast<CSSFontFaceRule*>(this)->reattach(static_cast<StyleRuleFontFace*>(rule));
return;
case WEBKIT_KEYFRAMES_RULE:
static_cast<WebKitCSSKeyframesRule*>(this)->reattach(static_cast<StyleRuleKeyframes*>(rule));
return;
case WEBKIT_KEYFRAME_RULE:
// No need to reattach, the underlying data is shareable on mutation.
ASSERT_NOT_REACHED();
return;
#if ENABLE(CSS_REGIONS)
case WEBKIT_REGION_RULE:
static_cast<WebKitCSSRegionRule*>(this)->reattach(static_cast<StyleRuleRegion*>(rule));
return;
#endif
}
ASSERT_NOT_REACHED();
}
const CSSParserContext& CSSRule::parserContext() const
{
CSSStyleSheet* styleSheet = parentStyleSheet();
return styleSheet ? styleSheet->contents()->parserContext() : strictCSSParserContext();
}
} // namespace WebCore
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