webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 119 insertions, 0 deletions

diff --git a/Source/WebCore/bindings/js/JSDOMConvertStrings.h b/Source/WebCore/bindings/js/JSDOMConvertStrings.h
new file mode 100644
index 000000000..dd9bfad77
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+++ b/Source/WebCore/bindings/js/JSDOMConvertStrings.h
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2016 Apple 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. AND ITS 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 APPLE INC. OR ITS 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.
+ */
+
+#pragma once
+
+#include "IDLTypes.h"
+#include "JSDOMConvertBase.h"
+#include "JSDOMExceptionHandling.h"
+
+namespace WebCore {
+
+enum class StringConversionConfiguration { Normal, TreatNullAsEmptyString };
+
+template<typename T> typename Converter<T>::ReturnType convert(JSC::ExecState&, JSC::JSValue, StringConversionConfiguration);
+
+template<typename T> inline typename Converter<T>::ReturnType convert(JSC::ExecState& state, JSC::JSValue value, StringConversionConfiguration configuration)
+{
+    return Converter<T>::convert(state, value, configuration);
+}
+
+WEBCORE_EXPORT String identifierToByteString(JSC::ExecState&, const JSC::Identifier&);
+WEBCORE_EXPORT String valueToByteString(JSC::ExecState&, JSC::JSValue);
+WEBCORE_EXPORT String identifierToUSVString(JSC::ExecState&, const JSC::Identifier&);
+WEBCORE_EXPORT String valueToUSVString(JSC::ExecState&, JSC::JSValue);
+
+inline String propertyNameToString(JSC::PropertyName propertyName)
+{
+    ASSERT(!propertyName.isSymbol());
+    return propertyName.uid() ? propertyName.uid() : propertyName.publicName();
+}
+
+inline AtomicString propertyNameToAtomicString(JSC::PropertyName propertyName)
+{
+    return AtomicString(propertyName.uid() ? propertyName.uid() : propertyName.publicName());
+}
+
+// MARK: -
+// MARK: String types
+
+template<> struct Converter<IDLDOMString> : DefaultConverter<IDLDOMString> {
+    static String convert(JSC::ExecState& state, JSC::JSValue value, StringConversionConfiguration configuration = StringConversionConfiguration::Normal)
+    {
+        if (configuration == StringConversionConfiguration::TreatNullAsEmptyString && value.isNull())
+            return emptyString();
+        return value.toWTFString(&state);
+    }
+};
+
+template<> struct JSConverter<IDLDOMString> {
+    static constexpr bool needsState = true;
+    static constexpr bool needsGlobalObject = false;
+
+    static JSC::JSValue convert(JSC::ExecState& state, const String& value)
+    {
+        return JSC::jsStringWithCache(&state, value);
+    }
+};
+
+template<> struct Converter<IDLByteString> : DefaultConverter<IDLByteString> {
+    static String convert(JSC::ExecState& state, JSC::JSValue value, StringConversionConfiguration configuration = StringConversionConfiguration::Normal)
+    {
+        if (configuration == StringConversionConfiguration::TreatNullAsEmptyString && value.isNull())
+            return emptyString();
+        return valueToByteString(state, value);
+    }
+};
+
+template<> struct JSConverter<IDLByteString> {
+    static constexpr bool needsState = true;
+    static constexpr bool needsGlobalObject = false;
+
+    static JSC::JSValue convert(JSC::ExecState& state, const String& value)
+    {
+        return JSC::jsStringWithCache(&state, value);
+    }
+};
+
+template<> struct Converter<IDLUSVString> : DefaultConverter<IDLUSVString> {
+    static String convert(JSC::ExecState& state, JSC::JSValue value, StringConversionConfiguration configuration = StringConversionConfiguration::Normal)
+    {
+        if (configuration == StringConversionConfiguration::TreatNullAsEmptyString && value.isNull())
+            return emptyString();
+        return valueToUSVString(state, value);
+    }
+};
+
+template<> struct JSConverter<IDLUSVString> {
+    static constexpr bool needsState = true;
+    static constexpr bool needsGlobalObject = false;
+
+    static JSC::JSValue convert(JSC::ExecState& state, const String& value)
+    {
+        return JSC::jsStringWithCache(&state, value);
+    }
+};
+
+} // namespace WebCore