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 EXTENSIONS_COMMON_MATCHER_URL_MATCHER_FACTORY_H_ 6 #define EXTENSIONS_COMMON_MATCHER_URL_MATCHER_FACTORY_H_ 7 8 #include <string> 9 10 #include "base/basictypes.h" 11 #include "extensions/common/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 // EXTENSIONS_COMMON_MATCHER_URL_MATCHER_FACTORY_H_ 63
