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 #include "tlv_object.h"
16
17 namespace OHOS {
18 namespace UDMF {
TLVObject(std::vector<std::uint8_t> &buffer)19 TLVObject::TLVObject(std::vector<std::uint8_t> &buffer)
20 {
21 total_ += buffer.size();
22 buffer_ = &buffer;
23 cursor_ = 0;
24 file_ = nullptr;
25 }
26
SetFile(std::FILE *file)27 void TLVObject::SetFile(std::FILE *file)
28 {
29 file_ = file;
30 }
31
UpdateSize()32 void TLVObject::UpdateSize()
33 {
34 if (file_ != nullptr) {
35 return;
36 }
37 buffer_->resize(total_);
38 }
39
GetBuffer()40 std::vector<std::uint8_t> TLVObject::GetBuffer()
41 {
42 return *buffer_;
43 }
44
GetTotal()45 size_t TLVObject::GetTotal()
46 {
47 return total_;
48 }
49
GetCursor()50 size_t TLVObject::GetCursor()
51 {
52 return cursor_;
53 }
54
OffsetHead()55 size_t TLVObject::OffsetHead()
56 {
57 if (file_ != nullptr) {
58 fseek(file_, sizeof(TLVHead), SEEK_CUR);
59 }
60 cursor_ += sizeof(TLVHead);
61 return cursor_;
62 }
63
ResetCursor()64 void TLVObject::ResetCursor()
65 {
66 cursor_ = 0;
67 if (file_ != nullptr) {
68 fseek(file_, 0, SEEK_SET);
69 }
70 }
71
Count(const std::string &value)72 size_t TLVObject::Count(const std::string &value)
73 {
74 return sizeof(TLVHead);
75 }
76
Count(const std::vector<uint8_t> &value)77 size_t TLVObject::Count(const std::vector<uint8_t> &value)
78 {
79 return sizeof(TLVHead);
80 }
81
Count(const OHOS::AAFwk::Want &value)82 size_t TLVObject::Count(const OHOS::AAFwk::Want &value)
83 {
84 return sizeof(TLVHead);
85 }
86
Count(const std::monostate &value)87 size_t TLVObject::Count(const std::monostate &value)
88 {
89 return sizeof(TLVHead);
90 }
91
Count(const void *value)92 size_t TLVObject::Count(const void *value)
93 {
94 return sizeof(TLVHead);
95 }
96
Write(TAG tag, const std::string &value)97 bool TLVObject::Write(TAG tag, const std::string &value)
98 {
99 return true;
100 }
101
Read(std::string &value, const TLVHead &head)102 bool TLVObject::Read(std::string &value, const TLVHead &head)
103 {
104 return true;
105 }
106
Write(TAG tag, const std::vector<uint8_t> &value)107 bool TLVObject::Write(TAG tag, const std::vector<uint8_t> &value)
108 {
109 return true;
110 }
111
112
Read(std::vector<uint8_t> &value, const TLVHead &head)113 bool TLVObject::Read(std::vector<uint8_t> &value, const TLVHead &head)
114 {
115 return true;
116 }
117
Write(TAG tag, const OHOS::AAFwk::Want &value)118 bool TLVObject::Write(TAG tag, const OHOS::AAFwk::Want &value)
119 {
120 return true;
121 }
122
Read(OHOS::AAFwk::Want &value, const TLVHead &head)123 bool TLVObject::Read(OHOS::AAFwk::Want &value, const TLVHead &head)
124 {
125 return true;
126 }
127
Write(TAG tag, const std::monostate &value)128 bool TLVObject::Write(TAG tag, const std::monostate &value)
129 {
130 return true;
131 }
132
Read(std::monostate &value, const TLVHead &head)133 bool TLVObject::Read(std::monostate &value, const TLVHead &head)
134 {
135 return true;
136 }
137
Write(TAG tag, const void *value)138 bool TLVObject::Write(TAG tag, const void *value)
139 {
140 return true;
141 }
142
143
Read(void *value, const TLVHead &head)144 bool TLVObject::Read(void *value, const TLVHead &head)
145 {
146 return true;
147 }
148
CountHead()149 size_t TLVObject::CountHead()
150 {
151 return true;
152 }
153
WriteHead(uint16_t type, uint32_t len)154 bool TLVObject::WriteHead(uint16_t type, uint32_t len)
155 {
156 return true;
157 }
158
WriteBackHead(uint16_t tag, size_t tagCursor, uint32_t len)159 bool TLVObject::WriteBackHead(uint16_t tag, size_t tagCursor, uint32_t len)
160 {
161 return true;
162 }
163
ReadHead(TLVHead &head)164 bool TLVObject::ReadHead(TLVHead &head)
165 {
166 return true;
167 }
168
Skip(TLVHead &head)169 bool TLVObject::Skip(TLVHead &head)
170 {
171 return true;
172 }
173
HasExpectBuffer(const uint32_t expectLen) const174 bool TLVObject::HasExpectBuffer(const uint32_t expectLen) const
175 {
176 return true;
177 }
178
PrepareBufferForFile(size_t size)179 void TLVObject::PrepareBufferForFile(size_t size) { }
180
GetStartCursor()181 std::uint8_t *TLVObject::GetStartCursor()
182 {
183 return 0;
184 }
185
SaveBufferToFile()186 bool TLVObject::SaveBufferToFile()
187 {
188 return true;
189 }
190
SaveBufferToFileFront(size_t tagCursor, uint32_t len)191 bool TLVObject::SaveBufferToFileFront(size_t tagCursor, uint32_t len)
192 {
193 return true;
194 }
195
LoadBufferFormFile(size_t size)196 bool TLVObject::LoadBufferFormFile(size_t size)
197 {
198 return true;
199 }
200 } // namespace UDMF
201 } // namespace OHOS
202