Import Dart bindings as of Blink r188698. This merely copies the files over and does not attach any…

sky/engine/bindings-dart/core/dart/custom/DartCSSStyleDeclarationCustom.cpp

Index: sky/engine/bindings-dart/core/dart/custom/DartCSSStyleDeclarationCustom.cpp
diff --git a/sky/engine/bindings-dart/core/dart/custom/DartCSSStyleDeclarationCustom.cpp b/sky/engine/bindings-dart/core/dart/custom/DartCSSStyleDeclarationCustom.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..1da4350164dadbb39e8a7936223eef4c0cded65f
--- /dev/null
+++ b/sky/engine/bindings-dart/core/dart/custom/DartCSSStyleDeclarationCustom.cpp
@@ -0,0 +1,176 @@
+// Copyright 2013, 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.
+
+#include "config.h"
+#include "bindings/core/dart/DartCSSStyleDeclaration.h"
+
+#include "core/CSSPropertyNames.h"
+#include "core/css/CSSPrimitiveValue.h"
+#include "core/css/CSSStyleDeclaration.h"
+#include "core/css/CSSValue.h"
+#include "core/css/RuntimeCSSEnabled.h"
+#include "core/css/parser/BisonCSSParser.h"
+#include "wtf/ASCIICType.h"
+#include "wtf/PassRefPtr.h"
+#include "wtf/RefPtr.h"
+#include "wtf/StdLibExtras.h"
+#include "wtf/Vector.h"
+#include "wtf/text/StringBuilder.h"
+#include "wtf/text/StringConcatenate.h"
+
+using namespace WTF;
+using namespace std;
+
+namespace blink {
+
+struct CSSPropertyInfo {
+    CSSPropertyID propID;
+};
+
+namespace DartCSSStyleDeclarationInternal {
+
+void __setter__Callback(Dart_NativeArguments)
+{
+    // FIXME: proper implementation.
+    DART_UNIMPLEMENTED();
+}
+
+static bool hasCSSPropertyNamePrefix(const String& propertyName, const char* prefix)
+{
+#ifndef NDEBUG
+    ASSERT(*prefix);
+    for (const char* p = prefix; *p; ++p)
+        ASSERT(isASCIILower(*p));
+    ASSERT(propertyName.length());
+#endif
+
+    if (toASCIILower(propertyName[0]) != prefix[0])
+        return false;
+
+    unsigned length = propertyName.length();
+    for (unsigned i = 1; i < length; ++i) {
+        if (!prefix[i])
+            return isASCIIUpper(propertyName[i]);
+        if (propertyName[i] != prefix[i])
+            return false;
+    }
+    return false;
+}
+
+static CSSPropertyID cssResolvedPropertyID(const String& propertyName)
+{
+    unsigned length = propertyName.length();
+    if (!length)
+        return CSSPropertyInvalid;
+
+    StringBuilder builder;
+    builder.reserveCapacity(length);
+
+    unsigned i = 0;
+    bool hasSeenDash = false;
+
+    if (hasCSSPropertyNamePrefix(propertyName, "css"))
+        i += 3;
+    else if (hasCSSPropertyNamePrefix(propertyName, "webkit"))
+        builder.append('-');
+    else if (isASCIIUpper(propertyName[0]))
+        return CSSPropertyInvalid;
+
+    bool hasSeenUpper = isASCIIUpper(propertyName[i]);
+
+    builder.append(toASCIILower(propertyName[i++]));
+
+    for (; i < length; ++i) {
+        UChar c = propertyName[i];
+        if (!isASCIIUpper(c)) {
+            if (c == '-')
+                hasSeenDash = true;
+            builder.append(c);
+        } else {
+            hasSeenUpper = true;
+            builder.append('-');
+            builder.append(toASCIILower(c));
+        }
+    }
+
+    // Reject names containing both dashes and upper-case characters, such as "border-rightColor".
+    if (hasSeenDash && hasSeenUpper)
+        return CSSPropertyInvalid;
+
+    String propName = builder.toString();
+    return cssPropertyID(propName);
+}
+
+// When getting properties on CSSStyleDeclarations, the name used from
+// Javascript and the actual name of the property are not the same, so
+// we have to do the following translation. The translation turns upper
+// case characters into lower case characters and inserts dashes to
+// separate words.
+//
+// Example: 'backgroundPositionY' -> 'background-position-y'
+//
+// Also, certain prefixes such as 'css-' are stripped.
+static CSSPropertyInfo* cssPropertyInfo(const String& propertyName)
+{
+    typedef HashMap<String, CSSPropertyInfo*> CSSPropertyInfoMap;
+    DEFINE_STATIC_LOCAL(CSSPropertyInfoMap, map, ());
+    CSSPropertyInfo* propInfo = map.get(propertyName);
+    if (!propInfo) {
+        propInfo = new CSSPropertyInfo();
+        propInfo->propID = cssResolvedPropertyID(propertyName);
+        map.add(propertyName, propInfo);
+    }
+    if (propInfo->propID && RuntimeCSSEnabled::isCSSPropertyEnabled(propInfo->propID))
+        return propInfo;
+    return 0;
+}
+
+void propertyQuery(Dart_NativeArguments args)
+{
+    Dart_Handle exception = 0;
+    {
+        DartStringAdapter propertyName = DartUtilities::dartToString(args, 1, exception);
+        if (exception)
+            goto fail;
+
+        // NOTE: cssPropertyInfo lookups incur several mallocs.
+        // Successful lookups have the same cost the first time, but are cached.
+        Dart_SetReturnValue(args, DartUtilities::boolToDart(
+            cssPropertyInfo(propertyName)));
+        return;
+    }
+
+fail:
+    Dart_ThrowException(exception);
+    ASSERT_NOT_REACHED();
+}
+
+}
+
+}