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// Copyright 2013 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.
#ifndef GIN_ARGUMENTS_H_
#define GIN_ARGUMENTS_H_
#include "base/basictypes.h"
#include "gin/converter.h"
namespace gin {
class Arguments {
public:
explicit Arguments(const v8::FunctionCallbackInfo<v8::Value>& info);
~Arguments();
template<typename T>
bool Holder(T* out) {
return ConvertFromV8(info_.Holder(), out);
}
template<typename T>
bool GetNext(T* out) {
if (next_ >= info_.Length()) {
insufficient_arguments_ = true;
return false;
}
v8::Handle<v8::Value> val = info_[next_++];
return ConvertFromV8(val, out);
}
template<typename T>
void Return(T val) {
info_.GetReturnValue().Set(ConvertToV8(isolate_, val));
}
void ThrowError();
void ThrowTypeError(const std::string& message);
v8::Isolate* isolate() const { return isolate_; }
private:
v8::Isolate* isolate_;
const v8::FunctionCallbackInfo<v8::Value>& info_;
int next_;
bool insufficient_arguments_;
DISALLOW_COPY_AND_ASSIGN(Arguments);
};
} // namespace gin
#endif // GIN_ARGUMENTS_H_
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