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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_URL_MATCHER_URL_MATCHER_FACTORY_H_
#define COMPONENTS_URL_MATCHER_URL_MATCHER_FACTORY_H_
#include <memory>
#include <string>
#include "base/values.h"
#include "components/url_matcher/url_matcher.h"
#include "components/url_matcher/url_matcher_export.h"
namespace url_matcher {
class URL_MATCHER_EXPORT URLMatcherFactory {
public:
URLMatcherFactory() = delete;
URLMatcherFactory(const URLMatcherFactory&) = delete;
URLMatcherFactory& operator=(const URLMatcherFactory&) = delete;
// Creates a URLMatcherConditionSet from a UrlFilter dictionary as defined in
// the declarative API. |url_fetcher_dict| contains the dictionary passed
// by the extension, |id| is the identifier assigned to the created
// URLMatcherConditionSet. In case of an error, |error| is set to contain
// an error message.
//
// Note: In case this function fails or if you don't register the
// URLMatcherConditionSet to the URLMatcher, you need to call
// URLMatcher::ClearUnusedConditionSets() on the URLMatcher that owns this
// URLMatcherFactory. Otherwise you leak memory.
static scoped_refptr<URLMatcherConditionSet> CreateFromURLFilterDictionary(
URLMatcherConditionFactory* url_matcher_condition_factory,
const base::Value::Dict& url_filter_dict,
base::MatcherStringPattern::ID id,
std::string* error);
private:
// Returns whether a condition attribute with name |condition_attribute_name|
// needs to be handled by the URLMatcher.
static bool IsURLMatcherConditionAttribute(
const std::string& condition_attribute_name);
// Factory method of for URLMatcherConditions.
static URLMatcherCondition CreateURLMatcherCondition(
URLMatcherConditionFactory* url_matcher_condition_factory,
const std::string& condition_attribute_name,
const base::Value* value,
std::string* error);
static std::unique_ptr<URLMatcherSchemeFilter> CreateURLMatcherScheme(
const base::Value* value,
std::string* error);
static std::unique_ptr<URLMatcherPortFilter> CreateURLMatcherPorts(
const base::Value* value,
std::string* error);
static std::unique_ptr<URLMatcherCidrBlockFilter> CreateURLMatcherCidrBlocks(
const base::Value* value,
std::string* error);
};
} // namespace url_matcher
#endif // COMPONENTS_URL_MATCHER_URL_MATCHER_FACTORY_H_
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