Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 277 insertions, 0 deletions

diff --git a/Source/WebCore/css/CSSValue.cpp b/Source/WebCore/css/CSSValue.cpp
new file mode 100644
index 000000000..0e83c0818
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+++ b/Source/WebCore/css/CSSValue.cpp
@@ -0,0 +1,277 @@
+/*
+ * Copyright (C) 2011 Andreas Kling (kling@webkit.org)
+ *
+ * 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 COMPUTER, 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 COMPUTER, 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
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "config.h"
+#include "CSSValue.h"
+
+#include "CSSAspectRatioValue.h"
+#include "CSSBorderImageValue.h"
+#include "CSSBorderImageSliceValue.h"
+#include "CSSCanvasValue.h"
+#include "CSSCrossfadeValue.h"
+#include "CSSCursorImageValue.h"
+#include "CSSFlexValue.h"
+#include "CSSFontFaceSrcValue.h"
+#include "CSSFunctionValue.h"
+#include "CSSGradientValue.h"
+#include "CSSImageGeneratorValue.h"
+#include "CSSImageValue.h"
+#include "CSSInheritedValue.h"
+#include "CSSInitialValue.h"
+#include "CSSLineBoxContainValue.h"
+#include "CSSPrimitiveValue.h"
+#include "CSSReflectValue.h"
+#include "CSSTimingFunctionValue.h"
+#include "CSSUnicodeRangeValue.h"
+#include "CSSValueList.h"
+#include "FontValue.h"
+#include "FontFamilyValue.h"
+#include "FontFeatureValue.h"
+#include "ShadowValue.h"
+#include "SVGColor.h"
+#include "SVGPaint.h"
+#include "WebKitCSSFilterValue.h"
+#include "WebKitCSSShaderValue.h"
+#include "WebKitCSSTransformValue.h"
+
+namespace WebCore {
+
+class SameSizeAsCSSValue : public RefCounted<SameSizeAsCSSValue> {
+    unsigned char bitfields[2];
+};
+
+COMPILE_ASSERT(sizeof(CSSValue) == sizeof(SameSizeAsCSSValue), CSS_value_should_stay_small);
+
+CSSValue::Type CSSValue::cssValueType() const
+{
+    if (isInheritedValue())
+        return CSS_INHERIT;
+    if (isPrimitiveValue())
+        return CSS_PRIMITIVE_VALUE;
+    if (isValueList())
+        return CSS_VALUE_LIST;
+    if (isInitialValue())
+        return CSS_INITIAL;
+    return CSS_CUSTOM;
+}
+
+void CSSValue::addSubresourceStyleURLs(ListHashSet<KURL>& urls, const CSSStyleSheet* styleSheet)
+{
+    if (isPrimitiveValue())
+        static_cast<CSSPrimitiveValue*>(this)->addSubresourceStyleURLs(urls, styleSheet);
+    else if (isValueList())
+        static_cast<CSSValueList*>(this)->addSubresourceStyleURLs(urls, styleSheet);
+    else if (classType() == BorderImageClass)
+        static_cast<CSSBorderImageValue*>(this)->addSubresourceStyleURLs(urls, styleSheet);
+    else if (classType() == FontFaceSrcClass)
+        static_cast<CSSFontFaceSrcValue*>(this)->addSubresourceStyleURLs(urls, styleSheet);
+    else if (classType() == ReflectClass)
+        static_cast<CSSReflectValue*>(this)->addSubresourceStyleURLs(urls, styleSheet);
+}
+
+String CSSValue::cssText() const
+{
+    switch (classType()) {
+    case AspectRatioClass:
+        return static_cast<const CSSAspectRatioValue*>(this)->customCssText();
+    case BorderImageClass:
+        return static_cast<const CSSBorderImageValue*>(this)->customCssText();
+    case BorderImageSliceClass:
+        return static_cast<const CSSBorderImageSliceValue*>(this)->customCssText();
+    case CanvasClass:
+        return static_cast<const CSSCanvasValue*>(this)->customCssText();
+    case CursorImageClass:
+        return static_cast<const CSSCursorImageValue*>(this)->customCssText();
+    case FontClass:
+        return static_cast<const FontValue*>(this)->customCssText();
+    case FontFaceSrcClass:
+        return static_cast<const CSSFontFaceSrcValue*>(this)->customCssText();
+    case FontFamilyClass:
+        return static_cast<const FontFamilyValue*>(this)->customCssText();
+    case FontFeatureClass:
+        return static_cast<const FontFeatureValue*>(this)->customCssText();
+    case FunctionClass:
+        return static_cast<const CSSFunctionValue*>(this)->customCssText();
+    case LinearGradientClass:
+        return static_cast<const CSSLinearGradientValue*>(this)->customCssText();
+    case RadialGradientClass:
+        return static_cast<const CSSRadialGradientValue*>(this)->customCssText();
+    case CrossfadeClass:
+        return static_cast<const CSSCrossfadeValue*>(this)->customCssText();
+    case ImageClass:
+        return static_cast<const CSSImageValue*>(this)->customCssText();
+    case InheritedClass:
+        return static_cast<const CSSInheritedValue*>(this)->customCssText();
+    case InitialClass:
+        return static_cast<const CSSInitialValue*>(this)->customCssText();
+    case PrimitiveClass:
+        return static_cast<const CSSPrimitiveValue*>(this)->customCssText();
+    case ReflectClass:
+        return static_cast<const CSSReflectValue*>(this)->customCssText();
+    case ShadowClass:
+        return static_cast<const ShadowValue*>(this)->customCssText();
+    case LinearTimingFunctionClass:
+        return static_cast<const CSSLinearTimingFunctionValue*>(this)->customCssText();
+    case CubicBezierTimingFunctionClass:
+        return static_cast<const CSSCubicBezierTimingFunctionValue*>(this)->customCssText();
+    case StepsTimingFunctionClass:
+        return static_cast<const CSSStepsTimingFunctionValue*>(this)->customCssText();
+    case UnicodeRangeClass:
+        return static_cast<const CSSUnicodeRangeValue*>(this)->customCssText();
+    case ValueListClass:
+        return static_cast<const CSSValueList*>(this)->customCssText();
+    case WebKitCSSTransformClass:
+        return static_cast<const WebKitCSSTransformValue*>(this)->customCssText();
+    case LineBoxContainClass:
+        return static_cast<const CSSLineBoxContainValue*>(this)->customCssText();
+    case FlexClass:
+        return static_cast<const CSSFlexValue*>(this)->customCssText();
+#if ENABLE(CSS_FILTERS)
+    case WebKitCSSFilterClass:
+        return static_cast<const WebKitCSSFilterValue*>(this)->customCssText();
+#if ENABLE(CSS_SHADERS)
+    case WebKitCSSShaderClass:
+        return static_cast<const WebKitCSSShaderValue*>(this)->customCssText();
+#endif
+#endif
+#if ENABLE(SVG)
+    case SVGColorClass:
+        return static_cast<const SVGColor*>(this)->customCssText();
+    case SVGPaintClass:
+        return static_cast<const SVGPaint*>(this)->customCssText();
+#endif
+    }
+    ASSERT_NOT_REACHED();
+    return String();
+}
+
+void CSSValue::destroy()
+{
+    switch (classType()) {
+    case AspectRatioClass:
+        delete static_cast<CSSAspectRatioValue*>(this);
+        return;
+    case BorderImageClass:
+        delete static_cast<CSSBorderImageValue*>(this);
+        return;
+    case BorderImageSliceClass:
+        delete static_cast<CSSBorderImageSliceValue*>(this);
+        return;
+    case CanvasClass:
+        delete static_cast<CSSCanvasValue*>(this);
+        return;
+    case CursorImageClass:
+        delete static_cast<CSSCursorImageValue*>(this);
+        return;
+    case FontClass:
+        delete static_cast<FontValue*>(this);
+        return;
+    case FontFaceSrcClass:
+        delete static_cast<CSSFontFaceSrcValue*>(this);
+        return;
+    case FontFamilyClass:
+        delete static_cast<FontFamilyValue*>(this);
+        return;
+    case FontFeatureClass:
+        delete static_cast<FontFeatureValue*>(this);
+        return;
+    case FunctionClass:
+        delete static_cast<CSSFunctionValue*>(this);
+        return;
+    case LinearGradientClass:
+        delete static_cast<CSSLinearGradientValue*>(this);
+        return;
+    case RadialGradientClass:
+        delete static_cast<CSSRadialGradientValue*>(this);
+        return;
+    case CrossfadeClass:
+        delete static_cast<CSSCrossfadeValue*>(this);
+        return;
+    case ImageClass:
+        delete static_cast<CSSImageValue*>(this);
+        return;
+    case InheritedClass:
+        delete static_cast<CSSInheritedValue*>(this);
+        return;
+    case InitialClass:
+        delete static_cast<CSSInitialValue*>(this);
+        return;
+    case PrimitiveClass:
+        delete static_cast<CSSPrimitiveValue*>(this);
+        return;
+    case ReflectClass:
+        delete static_cast<CSSReflectValue*>(this);
+        return;
+    case ShadowClass:
+        delete static_cast<ShadowValue*>(this);
+        return;
+    case LinearTimingFunctionClass:
+        delete static_cast<CSSLinearTimingFunctionValue*>(this);
+        return;
+    case CubicBezierTimingFunctionClass:
+        delete static_cast<CSSCubicBezierTimingFunctionValue*>(this);
+        return;
+    case StepsTimingFunctionClass:
+        delete static_cast<CSSStepsTimingFunctionValue*>(this);
+        return;
+    case UnicodeRangeClass:
+        delete static_cast<CSSUnicodeRangeValue*>(this);
+        return;
+    case ValueListClass:
+        delete static_cast<CSSValueList*>(this);
+        return;
+    case WebKitCSSTransformClass:
+        delete static_cast<WebKitCSSTransformValue*>(this);
+        return;
+    case LineBoxContainClass:
+        delete static_cast<CSSLineBoxContainValue*>(this);
+        return;
+    case FlexClass:
+        delete static_cast<CSSFlexValue*>(this);
+        return;
+#if ENABLE(CSS_FILTERS)
+    case WebKitCSSFilterClass:
+        delete static_cast<WebKitCSSFilterValue*>(this);
+        return;
+#if ENABLE(CSS_SHADERS)
+    case WebKitCSSShaderClass:
+        delete static_cast<WebKitCSSShaderValue*>(this);
+        return;
+#endif
+#endif
+#if ENABLE(SVG)
+    case SVGColorClass:
+        delete static_cast<SVGColor*>(this);
+        return;
+    case SVGPaintClass:
+        delete static_cast<SVGPaint*>(this);
+        return;
+#endif
+    }
+    ASSERT_NOT_REACHED();
+}
+
+}