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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/renderer/extensions/api_definitions_natives.h"
#include <algorithm>
namespace {
const char kInvalidExtensionNamespace[] = "Invalid extension namespace";
}
namespace extensions {
ApiDefinitionsNatives::ApiDefinitionsNatives(Dispatcher* dispatcher,
ChromeV8Context* context)
: ChromeV8Extension(dispatcher, context->v8_context()),
context_(context) {
RouteFunction("GetExtensionAPIDefinition",
base::Bind(&ApiDefinitionsNatives::GetExtensionAPIDefinition,
base::Unretained(this)));
}
v8::Handle<v8::Value> ApiDefinitionsNatives::GetExtensionAPIDefinition(
const v8::Arguments& args) {
std::set<std::string> available_apis(context_->GetAvailableExtensionAPIs());
if (args.Length() == 0)
return dispatcher()->v8_schema_registry()->GetSchemas(available_apis);
// Build set of APIs requested by the user.
std::set<std::string> requested_apis;
for (int i = 0; i < args.Length(); ++i) {
if (!args[i]->IsString()) {
v8::ThrowException(v8::String::New(kInvalidExtensionNamespace));
return v8::Undefined();
}
requested_apis.insert(*v8::String::Utf8Value(args[i]->ToString()));
}
// Filter those that are unknown.
std::set<std::string> apis_to_check;
std::set_intersection(requested_apis.begin(), requested_apis.end(),
available_apis.begin(), available_apis.end(),
std::inserter(apis_to_check, apis_to_check.begin()));
return dispatcher()->v8_schema_registry()->GetSchemas(apis_to_check);
}
} // namespace extensions
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