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1 /*
2  * Copyright (c) 2023 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 #ifndef ECMASCRIPT_BASE_PATH_HELPER_H
16 #define ECMASCRIPT_BASE_PATH_HELPER_H
17 
18 #include "ecmascript/compiler/aot_file/aot_file_manager.h"
19 #include "ecmascript/base/string_helper.h"
20 #include "ecmascript/ecma_macros.h"
21 #include "ecmascript/ecma_string.h"
22 #include "ecmascript/ecma_vm.h"
23 #include "ecmascript/global_env.h"
24 #include "ecmascript/js_tagged_value-inl.h"
25 #include "ecmascript/jspandafile/js_pandafile.h"
26 
27 namespace panda::ecmascript::base {
28 class PathHelper {
29 public:
30     static constexpr std::string_view COLON_TAG = ":";
31     static constexpr std::string_view CURRENT_DIREATORY_TAG = "./";
32     static constexpr std::string_view DOUBLE_POINT_TAG = "..";
33     static constexpr std::string_view DOUBLE_SLASH_TAG = "//";
34     static constexpr char NAME_SPACE_TAG = '@';
35     static constexpr char NORMALIZED_OHMURL_TAG = '&';
36     static constexpr std::string_view POINT_STRING_TAG = ".";
37     static constexpr char POINT_TAG = '.';
38     static constexpr char SLASH_TAG = '/';
39 
40     static CString NormalizePath(const CString &fileName);
41     static CString ResolveDirPath(const CString &fileName);
42 
43     /*
44      * Before: moduleName@nameSpace
45      * After:  moduleName
46      */
DeleteNamespace(CString & moduleName)47     inline static void DeleteNamespace(CString &moduleName)
48     {
49         size_t pos = moduleName.find(NAME_SPACE_TAG);
50         if (pos == CString::npos) {
51             return;
52         }
53         moduleName.erase(pos, moduleName.size() - pos);
54     }
55 
56     /*
57      * Before: moduleName@nameSpace
58      * After:  nameSpace
59      */
GetHarName(const CString & moduleName)60     inline static CString GetHarName(const CString &moduleName)
61     {
62         size_t pos = moduleName.find(NAME_SPACE_TAG);
63         ASSERT(pos != CString::npos);
64         return moduleName.substr(pos + 1);
65     }
66 
67     /*
68      * Before: bundleName/moduleName@namespace/moduleName/xxx/xxx
69      * After:  moduleName/xxx/xxx
70      */
AdaptOldIsaRecord(CString & recordName)71     inline static void AdaptOldIsaRecord(CString &recordName)
72     {
73         size_t pos = recordName.find(SLASH_TAG);
74         if (pos != CString::npos) {
75             pos = recordName.find(SLASH_TAG, pos + 1);
76             if (pos != CString::npos) {
77                 recordName = recordName.substr(pos + 1);
78             }
79         }
80     }
81 
82     /*
83      * Before: @***:xxxx
84      * After:  xxxx
85      */
GetStrippedModuleName(const CString & moduleRequestName)86     inline static CString GetStrippedModuleName(const CString &moduleRequestName)
87     {
88         size_t pos = moduleRequestName.find(COLON_TAG);
89         if (pos == CString::npos) {
90             LOG_FULL(FATAL) << "Unknown format " << moduleRequestName;
91         }
92         return moduleRequestName.substr(pos + 1);
93     }
94 
95     /*
96      * Before: @xxx:****
97      * After:  xxx
98      */
GetInternalModulePrefix(const CString & moduleRequestName)99     inline static CString GetInternalModulePrefix(const CString &moduleRequestName)
100     {
101         size_t pos = moduleRequestName.find(COLON_TAG);
102         if (pos == CString::npos) {
103             LOG_FULL(FATAL) << "Unknown format " << moduleRequestName;
104         }
105         ASSERT(pos != 0);
106         return moduleRequestName.substr(1, pos - 1);
107     }
108 };
109 }  // namespace panda::ecmascript::base
110 #endif  // ECMASCRIPT_BASE_PATH_HELPER_H