1/*
2 * Copyright (c) 2024 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 OHOS_IDL_METADATABUILDER_H
17#define OHOS_IDL_METADATABUILDER_H
18
19#include <memory>
20#include "ast/ast.h"
21#include "metadata/meta_component.h"
22#include "util/autoptr.h"
23#include "util/string_pool.h"
24
25namespace OHOS {
26namespace Idl {
27class MetadataBuilder {
28public:
29    explicit MetadataBuilder(AST* module)
30        : module_(module)
31    {}
32
33    ~MetadataBuilder() = default;
34
35    std::shared_ptr<MetaComponent> Build();
36
37private:
38    size_t CalculateMetadataSize();
39
40    void CalculateMetaComponent(AST* module);
41
42    void CalculateMetaNamespace(ASTNamespace* nspace);
43
44    void CalculateMetaSequenceable(ASTSequenceableType* sequenceable);
45
46    void CalculateMetaInterface(ASTInterfaceType* interface);
47
48    void CalculateMetaMethod(ASTMethod* method);
49
50    void CalculateMetaParameter(ASTParameter* parameter);
51
52    void CalculateMetaType(ASTType* type);
53
54    void CalculateStringPool();
55
56    void WriteMetadata(uintptr_t base);
57
58    void WriteMetaComponent(AST* module);
59
60    MetaNamespace* WriteMetaNamespace(ASTNamespace* nspace);
61
62    MetaSequenceable* WriteMetaSequenceable(ASTSequenceableType* parcelabe);
63
64    MetaInterface* WriteMetaInterface(ASTInterfaceType* interface);
65
66    MetaMethod* WriteMetaMethod(ASTMethod* method);
67
68    MetaParameter* WriteMetaParameter(ASTParameter* parameter);
69
70    MetaType* WriteMetaType(ASTType* type);
71
72    char* WriteString(const std::string& string);
73
74    MetaTypeKind Type2Kind(ASTType* type);
75
76    static std::string tag_;
77    AutoPtr<AST> module_;
78    std::shared_ptr<MetaComponent> metaComponent_;
79    uintptr_t baseAddr_ = 0;
80    size_t size_ = 0;
81    StringPool stringPool_;
82};
83} // namespace Idl
84} // namespace OHOS
85#endif // OHOS_IDL_METADATABUILDER_H
86