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1 // Copyright (c) 2012 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 CHROME_COMMON_EXTENSIONS_MATCHER_URL_MATCHER_FACTORY_H_ | |
6 #define CHROME_COMMON_EXTENSIONS_MATCHER_URL_MATCHER_FACTORY_H_ | |
7 | |
8 #include <string> | |
9 | |
10 #include "base/basictypes.h" | |
11 #include "chrome/common/extensions/matcher/url_matcher.h" | |
12 | |
13 namespace base { | |
14 class DictionaryValue; | |
15 class Value; | |
16 } | |
17 | |
18 namespace extensions { | |
19 | |
20 class URLMatcherFactory { | |
21 public: | |
22 // Creates a URLMatcherConditionSet from a UrlFilter dictionary as defined in | |
23 // the declarative API. |url_fetcher_dict| contains the dictionary passed | |
24 // by the extension, |id| is the identifier assigned to the created | |
25 // URLMatcherConditionSet. In case of an error, |error| is set to contain | |
26 // an error message. | |
27 // | |
28 // Note: In case this function fails or if you don't register the | |
29 // URLMatcherConditionSet to the URLMatcher, you need to call | |
30 // URLMatcher::ClearUnusedConditionSets() on the URLMatcher that owns this | |
31 // URLMatcherFactory. Otherwise you leak memory. | |
32 static scoped_refptr<URLMatcherConditionSet> CreateFromURLFilterDictionary( | |
33 URLMatcherConditionFactory* url_matcher_condition_factory, | |
34 const base::DictionaryValue* url_filter_dict, | |
35 URLMatcherConditionSet::ID id, | |
36 std::string* error); | |
37 | |
38 private: | |
39 // Returns whether a condition attribute with name |condition_attribute_name| | |
40 // needs to be handled by the URLMatcher. | |
41 static bool IsURLMatcherConditionAttribute( | |
42 const std::string& condition_attribute_name); | |
43 | |
44 // Factory method of for URLMatcherConditions. | |
45 static URLMatcherCondition CreateURLMatcherCondition( | |
46 URLMatcherConditionFactory* url_matcher_condition_factory, | |
47 const std::string& condition_attribute_name, | |
48 const base::Value* value, | |
49 std::string* error); | |
50 | |
51 static scoped_ptr<URLMatcherSchemeFilter> CreateURLMatcherScheme( | |
52 const base::Value* value, std::string* error); | |
53 | |
54 static scoped_ptr<URLMatcherPortFilter> CreateURLMatcherPorts( | |
55 const base::Value* value, std::string* error); | |
56 | |
57 DISALLOW_IMPLICIT_CONSTRUCTORS(URLMatcherFactory); | |
58 }; | |
59 | |
60 } // namespace extensions | |
61 | |
62 #endif // CHROME_COMMON_EXTENSIONS_MATCHER_URL_MATCHER_FACTORY_H_ | |
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