| OLD | NEW |
| (Empty) |
| 1 // Copyright 2013 The Chromium 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 EXTENSIONS_BROWSER_MANIFEST_HIGHLIGHTER_H_ | |
| 6 #define EXTENSIONS_BROWSER_MANIFEST_HIGHLIGHTER_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 | |
| 12 namespace extensions { | |
| 13 | |
| 14 // Use the ManifestHighlighter class to find the bounds of a feature in the | |
| 15 // manifest. The manifest is parsed for the feature upon construction of the | |
| 16 // object. | |
| 17 // A feature can be at any level in the hierarchy. The "start" of a feature is | |
| 18 // the first character of the feature name, or the beginning quote of the name, | |
| 19 // if present. The "end" of a feature is wherever the next item at the same | |
| 20 // level starts. | |
| 21 // For instance, the bounds for the 'permissions' feature at the top level could | |
| 22 // be '"permissions": { "tabs", "history", "downloads" }', but the feature for | |
| 23 // 'tabs' within 'permissions' would just be '"tabs"'. | |
| 24 // We can't use the JSONParser to do this, because we want to display the actual | |
| 25 // manifest, and once we parse it into Values, we lose any formatting the user | |
| 26 // may have had. | |
| 27 // If a feature cannot be found, the feature will have zero-length. | |
| 28 class ManifestHighlighter { | |
| 29 public: | |
| 30 ManifestHighlighter(const std::string& manifest, | |
| 31 const std::string& key, | |
| 32 const std::string& specific /* optional */); | |
| 33 ~ManifestHighlighter(); | |
| 34 | |
| 35 // Get the portion of the manifest which should not be highlighted and is | |
| 36 // before the feature. | |
| 37 std::string GetBeforeFeature() const; | |
| 38 | |
| 39 // Get the feature portion of the manifest, which should be highlighted. | |
| 40 std::string GetFeature() const; | |
| 41 | |
| 42 // Get the portion of the manifest which should not be highlighted and is | |
| 43 // after the feature. | |
| 44 std::string GetAfterFeature() const; | |
| 45 | |
| 46 private: | |
| 47 // Called from the constructor; determine the start and end bounds of a | |
| 48 // feature, using both the key and specific information. | |
| 49 void Parse(const std::string& key, const std::string& specific); | |
| 50 | |
| 51 // Find the bounds of any feature, either a full key or a specific item within | |
| 52 // the key. |enforce_at_top_level| means that the feature we find must be at | |
| 53 // the same level as |start_| (i.e., ignore nested elements). | |
| 54 // Returns true on success. | |
| 55 bool FindBounds(const std::string& feature, bool enforce_at_top_level); | |
| 56 | |
| 57 // Finds the end of the feature. | |
| 58 void FindBoundsEnd(const std::string& feature, size_t local_start); | |
| 59 | |
| 60 // The manifest we are parsing. | |
| 61 std::string manifest_; | |
| 62 | |
| 63 // The start of the feature. | |
| 64 size_t start_; | |
| 65 | |
| 66 // The end of the feature. | |
| 67 size_t end_; | |
| 68 | |
| 69 DISALLOW_COPY_AND_ASSIGN(ManifestHighlighter); | |
| 70 }; | |
| 71 | |
| 72 } // namespace extensions | |
| 73 | |
| 74 #endif // EXTENSIONS_BROWSER_MANIFEST_HIGHLIGHTER_H_ | |
| OLD | NEW |