1/*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#ifndef USCRIPT_INSTRUCTION_HELPER_H
17#define USCRIPT_INSTRUCTION_HELPER_H
18
19#include <unordered_map>
20#include "script_instruction.h"
21#include "script_manager_impl.h"
22#include "script_utils.h"
23
24namespace Uscript {
25class ScriptInstructionHelper {
26public:
27    explicit ScriptInstructionHelper(ScriptManagerImpl *impl) : scriptManager_(impl) {}
28
29    ~ScriptInstructionHelper();
30
31    int32_t RegisterInstructions() const;
32
33    bool IsReservedInstruction(const std::string &scriptName) const;
34
35    int32_t AddScript(const std::string &scriptName, int32_t priority) const;
36
37    int32_t AddInstruction(const std::string &instrName, const UScriptInstructionPtr instr);
38
39    int32_t RegisterUserInstruction(const std::string &libName, const std::string &instrName);
40
41    int32_t RegisterUserInstruction(const std::string &instrName, Uscript::UScriptInstructionFactory *factory);
42
43    static ScriptInstructionHelper* GetBasicInstructionHelper(ScriptManagerImpl *impl = nullptr);
44
45    static void ReleaseBasicInstructionHelper();
46private:
47    int32_t RegisterAddInstruction(const Uscript::UScriptInstructionFactoryPtr factory,
48    	const std::string &instrName);
49
50    void* instrLib_ = nullptr;
51    std::string userInstrLibName_ {};
52    ScriptManagerImpl* scriptManager_ {};
53};
54} // namespace Uscript
55#endif // USCRIPT_INSTRUCTION_HELPER_H
56