1 | // Copyright 2013 The Flutter Authors. All rights reserved. |
---|---|
2 | // Use of this source code is governed by a BSD-style license that can be |
3 | // found in the LICENSE file. |
4 | |
5 | #ifndef LIB_TONIC_FILE_LOADER_FILE_LOADER_H_ |
6 | #define LIB_TONIC_FILE_LOADER_FILE_LOADER_H_ |
7 | |
8 | #include <memory> |
9 | #include <set> |
10 | #include <string> |
11 | #include <vector> |
12 | |
13 | #include "third_party/dart/runtime/include/dart_api.h" |
14 | #include "tonic/common/macros.h" |
15 | #include "tonic/parsers/packages_map.h" |
16 | |
17 | namespace tonic { |
18 | |
19 | class FileLoader { |
20 | public: |
21 | FileLoader(int dirfd = -1); |
22 | ~FileLoader(); |
23 | |
24 | bool LoadPackagesMap(const std::string& packages); |
25 | |
26 | // The path to the `.packages` file the packages map was loaded from. |
27 | const std::string& packages() const { return packages_; } |
28 | |
29 | Dart_Handle HandleLibraryTag(Dart_LibraryTag tag, |
30 | Dart_Handle library, |
31 | Dart_Handle url); |
32 | |
33 | Dart_Handle CanonicalizeURL(Dart_Handle library, Dart_Handle url); |
34 | Dart_Handle Import(Dart_Handle url); |
35 | Dart_Handle Kernel(Dart_Handle url); |
36 | void SetPackagesUrl(Dart_Handle url); |
37 | |
38 | Dart_Handle FetchBytes(const std::string& url, |
39 | uint8_t*& buffer, |
40 | intptr_t& buffer_size); |
41 | |
42 | static const char kFileURLPrefix[]; |
43 | static const size_t kFileURLPrefixLength; |
44 | static const std::string kPathSeparator; |
45 | |
46 | private: |
47 | static std::string SanitizeURIEscapedCharacters(const std::string& str); |
48 | static std::string SanitizePath(const std::string& path); |
49 | static std::string CanonicalizeFileURL(const std::string& url); |
50 | |
51 | std::string GetFilePathForURL(std::string url); |
52 | std::string GetFilePathForPackageURL(std::string url); |
53 | std::string GetFilePathForFileURL(std::string url); |
54 | |
55 | std::string GetFileURLForPath(const std::string& path); |
56 | |
57 | bool ReadFileToString(const std::string& path, std::string* result); |
58 | std::pair<uint8_t*, intptr_t> ReadFileToBytes(const std::string& path); |
59 | |
60 | int dirfd_; |
61 | std::string packages_; |
62 | std::unique_ptr<PackagesMap> packages_map_; |
63 | std::vector<uint8_t*> kernel_buffers_; |
64 | |
65 | TONIC_DISALLOW_COPY_AND_ASSIGN(FileLoader); |
66 | }; |
67 | |
68 | } // namespace tonic |
69 | |
70 | #endif // LIB_TONIC_FILE_LOADER_FILE_LOADER_H_ |
71 |