Fix some gcc'isms in compilation. Break circular dependency between v8_common and v8_proxy by introducing a new header, v8_properties.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@945 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 221 insertions, 0 deletions

diff --git a/webkit/port/bindings/v8/v8_collection.h b/webkit/port/bindings/v8/v8_collection.h
new file mode 100644
index 0000000..7eb8a77
--- /dev/null
+++ b/webkit/port/bindings/v8/v8_collection.h
@@ -0,0 +1,221 @@
+// Copyright 2008, 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.
+// Copied from base/basictypes.h with some modifications
+
+#ifndef V8_PROPERTY_H__
+#define V8_PROPERTY_H__
+
+#include <v8.h>
+#include "v8_proxy.h"
+
+namespace WebCore {
+
+
+// Returns named property of a collection.
+template <class C>
+static v8::Handle<v8::Value> GetNamedPropertyOfCollection(
+    v8::Local<v8::String> name,
+    v8::Local<v8::Object> object,
+    v8::Local<v8::Value> data) {
+  // TODO: assert object is a collection type
+  ASSERT(V8Proxy::MaybeDOMWrapper(object));
+
+  V8ClassIndex::V8WrapperType t = V8Proxy::GetDOMWrapperType(object);
+  C* collection = V8Proxy::FastToNativeObject<C>(t, object);
+  String prop_name = ToWebCoreString(name);
+  void* result = collection->namedItem(prop_name);
+  if (!result) return v8::Handle<v8::Value>();
+  V8ClassIndex::V8WrapperType type = V8ClassIndex::ToWrapperType(data);
+  return V8Proxy::ToV8Object(type, result);
+}
+
+// A template of named property accessor of collections.
+template <class C>
+static v8::Handle<v8::Value> CollectionNamedPropertyGetter(
+    v8::Local<v8::String> name, const v8::AccessorInfo& info) {
+  return GetNamedPropertyOfCollection<C>(name, info.Holder(), info.Data());
+}
+
+// A template returns whether a collection has a named property.
+// This function does not cause JS heap allocation.
+template <class C>
+static bool HasNamedPropertyOfCollection(v8::Local<v8::String> name,
+                                         v8::Local<v8::Object> object,
+                                         v8::Local<v8::Value> data) {
+  // TODO: assert object is a collection type
+  ASSERT(V8Proxy::MaybeDOMWrapper(object));
+
+  V8ClassIndex::V8WrapperType t = V8Proxy::GetDOMWrapperType(object);
+  C* collection = V8Proxy::FastToNativeObject<C>(t, object);
+  String prop_name = ToWebCoreString(name);
+  void* result = collection->namedItem(prop_name);
+  return result != NULL;
+}
+
+
+// Returns the property at the index of a collection.
+template <class C>
+static v8::Handle<v8::Value> GetIndexedPropertyOfCollection(
+    uint32_t index, v8::Local<v8::Object> object, v8::Local<v8::Value> data) {
+  // TODO, assert that object must be a collection type
+  ASSERT(V8Proxy::MaybeDOMWrapper(object));
+  V8ClassIndex::V8WrapperType t = V8Proxy::GetDOMWrapperType(object);
+  C* collection = V8Proxy::FastToNativeObject<C>(t, object);
+  void* result = collection->item(index);
+  if (!result) return v8::Handle<v8::Value>();
+  V8ClassIndex::V8WrapperType type = V8ClassIndex::ToWrapperType(data);
+  return V8Proxy::ToV8Object(type, result);
+}
+
+
+// A template of index interceptor of collections.
+template <class C>
+static v8::Handle<v8::Value> CollectionIndexedPropertyGetter(
+    uint32_t index, const v8::AccessorInfo& info) {
+  return GetIndexedPropertyOfCollection<C>(index, info.Holder(), info.Data());
+}
+
+
+// Get an array containing the names of indexed properties in a collection.
+template <class C>
+static v8::Handle<v8::Array> CollectionIndexedPropertyEnumerator(
+    const v8::AccessorInfo& info) {
+  ASSERT(V8Proxy::MaybeDOMWrapper(info.Holder()));
+  V8ClassIndex::V8WrapperType t = V8Proxy::GetDOMWrapperType(info.Holder());
+  C* collection = V8Proxy::FastToNativeObject<C>(t, info.Holder());
+  int length = collection->length();
+  v8::Handle<v8::Array> properties = v8::Array::New(length);
+  for (int i = 0; i < length; i++) {
+    // TODO(ager): Do we need to check that the item function returns
+    // a non-null value for this index?
+    v8::Handle<v8::Integer> integer = v8::Integer::New(i);
+    properties->Set(integer, integer);
+  }
+  return properties;
+}
+
+
+// Returns whether a collection has a property at a given index.
+// This function does not cause JS heap allocation.
+template <class C>
+static bool HasIndexedPropertyOfCollection(uint32_t index,
+                                           v8::Local<v8::Object> object,
+                                           v8::Local<v8::Value> data) {
+  // TODO, assert that object must be a collection type
+  ASSERT(V8Proxy::MaybeDOMWrapper(object));
+  V8ClassIndex::V8WrapperType t = V8Proxy::GetDOMWrapperType(object);
+  C* collection = V8Proxy::FastToNativeObject<C>(t, object);
+  void* result = collection->item(index);
+  return result != NULL;
+}
+
+
+// A template for indexed getters on collections of strings that should return
+// null if the resulting string is a null string.
+template <class C>
+static v8::Handle<v8::Value> CollectionStringOrNullIndexedPropertyGetter(
+    uint32_t index, const v8::AccessorInfo& info) {
+  // TODO, assert that object must be a collection type
+  ASSERT(V8Proxy::MaybeDOMWrapper(info.Holder()));
+  V8ClassIndex::V8WrapperType t = V8Proxy::GetDOMWrapperType(info.Holder());
+  C* collection = V8Proxy::FastToNativeObject<C>(t, info.Holder());
+  String result = collection->item(index);
+  return v8StringOrNull(result);
+}
+
+
+// Add indexed getter to the function template for a collection.
+template <class T>
+static void SetCollectionIndexedGetter(v8::Handle<v8::FunctionTemplate> desc,
+                                       V8ClassIndex::V8WrapperType type) {
+  desc->InstanceTemplate()->SetIndexedPropertyHandler(
+      CollectionIndexedPropertyGetter<T>,
+      0,
+      0,
+      0,
+      CollectionIndexedPropertyEnumerator<T>,
+      v8::External::New(reinterpret_cast<void*>(type)));
+}
+
+
+// Add named getter to the function template for a collection.
+template <class T>
+static void SetCollectionNamedGetter(v8::Handle<v8::FunctionTemplate> desc,
+                                     V8ClassIndex::V8WrapperType type) {
+  desc->InstanceTemplate()->SetNamedPropertyHandler(
+      CollectionNamedPropertyGetter<T>,
+      0,
+      0,
+      0,
+      0,
+      v8::External::New(reinterpret_cast<void*>(type)));
+}
+
+
+// Add named and indexed getters to the function template for a collection.
+template <class T>
+static void SetCollectionIndexedAndNamedGetters(
+    v8::Handle<v8::FunctionTemplate> desc, V8ClassIndex::V8WrapperType type) {
+  // If we interceptor before object, accessing 'length' can trigger
+  // a webkit assertion error.
+  // (see fast/dom/HTMLDocument/document-special-properties.html
+  desc->InstanceTemplate()->SetNamedPropertyHandler(
+      CollectionNamedPropertyGetter<T>,
+      0,
+      0,
+      0,
+      0,
+      v8::External::New(reinterpret_cast<void*>(type)));
+  desc->InstanceTemplate()->SetIndexedPropertyHandler(
+      CollectionIndexedPropertyGetter<T>,
+      0,
+      0,
+      0,
+      CollectionIndexedPropertyEnumerator<T>,
+      v8::External::New(reinterpret_cast<void*>(type)));
+}
+
+
+// Add indexed getter returning a string or null to a function template
+// for a collection.
+template <class T>
+static void SetCollectionStringOrNullIndexedGetter(
+    v8::Handle<v8::FunctionTemplate> desc) {
+  desc->InstanceTemplate()->SetIndexedPropertyHandler(
+      CollectionStringOrNullIndexedPropertyGetter<T>,
+      0,
+      0,
+      0,
+      CollectionIndexedPropertyEnumerator<T>);
+}
+
+
+}  // namespace WebCore
+
+#endif  // V8_PROPERTY_H__