76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
/*
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* Copyright (C) 2015 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_RESOLVER_H
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#define AAPT_RESOLVER_H
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#include "Maybe.h"
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#include "Resource.h"
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#include "ResourceValues.h"
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#include <androidfw/ResourceTypes.h>
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namespace aapt {
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/**
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* Resolves symbolic references (package:type/entry) into resource IDs/objects.
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*/
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class IResolver {
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public:
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virtual ~IResolver() {};
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/**
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* Holds the result of a resource name lookup.
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*/
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struct Entry {
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/**
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* The ID of the resource. ResourceId::isValid() may
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* return false if the resource has not been assigned
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* an ID.
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*/
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ResourceId id;
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/**
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* If the resource is an attribute, this will point
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* to a valid Attribute object, or else it will be
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* nullptr.
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*/
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const Attribute* attr;
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};
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/**
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* Returns a ResourceID if the name is found. The ResourceID
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* may not be valid if the resource was not assigned an ID.
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*/
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virtual Maybe<ResourceId> findId(const ResourceName& name) = 0;
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/**
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* Returns an Entry if the name is found. Entry::attr
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* may be nullptr if the resource is not an attribute.
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*/
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virtual Maybe<Entry> findAttribute(const ResourceName& name) = 0;
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/**
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* Find a resource by ID. Resolvers may contain resources without
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* resource IDs assigned to them.
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*/
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virtual Maybe<ResourceName> findName(ResourceId resId) = 0;
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};
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} // namespace aapt
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#endif // AAPT_RESOLVER_H
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