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 COMPONENTS_URL_MATCHER_URL_MATCHER_FACTORY_H_ 6 #define COMPONENTS_URL_MATCHER_URL_MATCHER_FACTORY_H_ 7 8 #include <string> 9 10 #include "base/basictypes.h" 11 #include "components/url_matcher/url_matcher.h" 12 #include "components/url_matcher/url_matcher_export.h" 13 14 namespace base { 15 class DictionaryValue; 16 class Value; 17 } 18 19 namespace url_matcher { 20 21 class URL_MATCHER_EXPORT URLMatcherFactory { 22 public: 23 // Creates a URLMatcherConditionSet from a UrlFilter dictionary as defined in 24 // the declarative API. |url_fetcher_dict| contains the dictionary passed 25 // by the extension, |id| is the identifier assigned to the created 26 // URLMatcherConditionSet. In case of an error, |error| is set to contain 27 // an error message. 28 // 29 // Note: In case this function fails or if you don't register the 30 // URLMatcherConditionSet to the URLMatcher, you need to call 31 // URLMatcher::ClearUnusedConditionSets() on the URLMatcher that owns this 32 // URLMatcherFactory. Otherwise you leak memory. 33 static scoped_refptr<URLMatcherConditionSet> CreateFromURLFilterDictionary( 34 URLMatcherConditionFactory* url_matcher_condition_factory, 35 const base::DictionaryValue* url_filter_dict, 36 URLMatcherConditionSet::ID id, 37 std::string* error); 38 39 private: 40 // Returns whether a condition attribute with name |condition_attribute_name| 41 // needs to be handled by the URLMatcher. 42 static bool IsURLMatcherConditionAttribute( 43 const std::string& condition_attribute_name); 44 45 // Factory method of for URLMatcherConditions. 46 static URLMatcherCondition CreateURLMatcherCondition( 47 URLMatcherConditionFactory* url_matcher_condition_factory, 48 const std::string& condition_attribute_name, 49 const base::Value* value, 50 std::string* error); 51 52 static scoped_ptr<URLMatcherSchemeFilter> CreateURLMatcherScheme( 53 const base::Value* value, std::string* error); 54 55 static scoped_ptr<URLMatcherPortFilter> CreateURLMatcherPorts( 56 const base::Value* value, std::string* error); 57 58 DISALLOW_IMPLICIT_CONSTRUCTORS(URLMatcherFactory); 59 }; 60 61 } // namespace url_matcher 62 63 #endif // COMPONENTS_URL_MATCHER_URL_MATCHER_FACTORY_H_ 64
