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// Copyright (c) 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 PPAPI_SHARED_IMPL_DICTIONARY_VAR_H_
#define PPAPI_SHARED_IMPL_DICTIONARY_VAR_H_
#include <map>
#include <string>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "ppapi/c/pp_var.h"
#include "ppapi/shared_impl/ppapi_shared_export.h"
#include "ppapi/shared_impl/scoped_pp_var.h"
#include "ppapi/shared_impl/var.h"
namespace ppapi {
class PPAPI_SHARED_EXPORT DictionaryVar : public Var {
public:
typedef std::map<std::string, ScopedPPVar> KeyValueMap;
DictionaryVar();
// Helper function that converts a PP_Var to a DictionaryVar. This will
// return NULL if the PP_Var is not of type PP_VARTYPE_DICTIONARY or the
// dictionary cannot be found from the var tracker.
static DictionaryVar* FromPPVar(const PP_Var& var);
// Var overrides.
virtual DictionaryVar* AsDictionaryVar() OVERRIDE;
virtual PP_VarType GetType() const OVERRIDE;
// The returned PP_Var has had a ref added on behalf of the caller.
PP_Var Get(const PP_Var& key) const;
PP_Bool Set(const PP_Var& key, const PP_Var& value);
void Delete(const PP_Var& key);
PP_Bool HasKey(const PP_Var& key) const;
// The returned PP_Var has had a ref added on behalf of the caller.
PP_Var GetKeys() const;
// Returns false and keeps the dictionary unchanged if |key| is not a valid
// UTF-8 string.
bool SetWithStringKey(const std::string& utf8_key, const PP_Var& value);
void DeleteWithStringKey(const std::string& utf8_key);
const KeyValueMap& key_value_map() const {
return key_value_map_;
}
protected:
virtual ~DictionaryVar();
private:
KeyValueMap key_value_map_;
DISALLOW_COPY_AND_ASSIGN(DictionaryVar);
};
} // namespace ppapi
#endif // PPAPI_SHARED_IMPL_DICTIONARY_VAR_H_
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