1 /*
2 * Copyright (c) 2025 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 #include "read_lines_ani.h"
17
18 #include "ani_helper.h"
19 #include "error_handler.h"
20 #include "filemgmt_libhilog.h"
21 #include "read_lines_core.h"
22 #include "reader_iterator_ani.h"
23 #include "type_converter.h"
24
25 namespace OHOS {
26 namespace FileManagement {
27 namespace ModuleFileIO {
28 namespace ANI {
29 using namespace OHOS::FileManagement::ModuleFileIO;
30
ToReadLinesOptions(ani_env * env,ani_object obj)31 static tuple<bool, optional<Options>> ToReadLinesOptions(ani_env *env, ani_object obj)
32 {
33 Options options;
34
35 ani_boolean isUndefined;
36 env->Reference_IsUndefined(obj, &isUndefined);
37 if (isUndefined) {
38 return { true, nullopt };
39 }
40
41 auto [succEncoding, encoding] = AniHelper::ParseEncoding(env, obj);
42 if (!succEncoding) {
43 HILOGE("Illegal option.encoding parameter");
44 return { false, nullopt };
45 }
46 options.encoding = encoding.value();
47
48 return { true, make_optional<Options>(move(options)) };
49 }
50
ReadLinesSync(ani_env * env,ani_class clazz,ani_string path,ani_object options)51 ani_object ReadLinesAni::ReadLinesSync(
52 ani_env *env, [[maybe_unused]] ani_class clazz, ani_string path, ani_object options)
53 {
54 auto [succPath, filePath] = TypeConverter::ToUTF8String(env, path);
55 if (!succPath) {
56 HILOGE("Invalid path from ETS first argument");
57 ErrorHandler::Throw(env, EINVAL);
58 return nullptr;
59 }
60
61 auto [succMode, opt] = ToReadLinesOptions(env, options);
62 if (!succMode) {
63 HILOGE("Invalid options");
64 ErrorHandler::Throw(env, EINVAL);
65 return nullptr;
66 }
67
68 FsResult<FsReaderIterator *> ret = ReadLinesCore::DoReadLines(filePath, opt);
69 if (!ret.IsSuccess()) {
70 HILOGE("Readlines failed");
71 const auto &err = ret.GetError();
72 ErrorHandler::Throw(env, err);
73 return nullptr;
74 }
75
76 const FsReaderIterator *readerIterator = ret.GetData().value();
77 auto result = ReaderIteratorAni::Wrap(env, move(readerIterator));
78 if (result == nullptr) {
79 ErrorHandler::Throw(env, UNKNOWN_ERR);
80 return nullptr;
81 }
82 return result;
83 }
84
85 } // namespace ANI
86 } // namespace ModuleFileIO
87 } // namespace FileManagement
88 } // namespace OHOS