ce5e56e243
Use Google3 naming style to match new projects' and open source google projects' style. Preferred to do this in a massive CL so as to avoid style inconsistencies that plague legacy code bases. This is a relatively NEW code base, may as well keep it up to date. Test: name/style refactor - existing tests pass Change-Id: Ie80ecb78d46ec53efdfca2336bb57d96cbb7fb87
114 lines
2.8 KiB
C++
114 lines
2.8 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef AAPT_XML_XMLPATTERN_H
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#define AAPT_XML_XMLPATTERN_H
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#include <functional>
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#include <map>
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#include <string>
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#include <vector>
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#include "android-base/macros.h"
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#include "Diagnostics.h"
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#include "xml/XmlDom.h"
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namespace aapt {
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namespace xml {
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enum class XmlActionExecutorPolicy {
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/**
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* Actions on run if elements are matched, errors occur only when actions
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* return false.
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*/
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kNone,
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/**
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* The actions defined must match and run. If an element is found that does
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* not match
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* an action, an error occurs.
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*/
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kWhitelist,
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};
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/**
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* Contains the actions to perform at this XML node. This is a recursive data
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* structure that
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* holds XmlNodeActions for child XML nodes.
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*/
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class XmlNodeAction {
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public:
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using ActionFuncWithDiag =
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std::function<bool(Element*, SourcePathDiagnostics*)>;
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using ActionFunc = std::function<bool(Element*)>;
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/**
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* Find or create a child XmlNodeAction that will be performed for the child
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* element
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* with the name `name`.
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*/
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XmlNodeAction& operator[](const std::string& name) { return map_[name]; }
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/**
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* Add an action to be performed at this XmlNodeAction.
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*/
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void Action(ActionFunc f);
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void Action(ActionFuncWithDiag);
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private:
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friend class XmlActionExecutor;
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bool Execute(XmlActionExecutorPolicy policy, SourcePathDiagnostics* diag,
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Element* el) const;
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std::map<std::string, XmlNodeAction> map_;
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std::vector<ActionFuncWithDiag> actions_;
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};
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/**
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* Allows the definition of actions to execute at specific XML elements defined
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* by their
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* hierarchy.
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*/
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class XmlActionExecutor {
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public:
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XmlActionExecutor() = default;
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/**
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* Find or create a root XmlNodeAction that will be performed for the root XML
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* element with the name `name`.
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*/
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XmlNodeAction& operator[](const std::string& name) { return map_[name]; }
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/**
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* Execute the defined actions for this XmlResource.
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* Returns true if all actions return true, otherwise returns false.
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*/
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bool Execute(XmlActionExecutorPolicy policy, IDiagnostics* diag,
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XmlResource* doc) const;
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private:
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std::map<std::string, XmlNodeAction> map_;
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DISALLOW_COPY_AND_ASSIGN(XmlActionExecutor);
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};
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} // namespace xml
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} // namespace aapt
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#endif /* AAPT_XML_XMLPATTERN_H */
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