a7cc3f1d79
The --no-xml-namespaces flag will strip namespace information from compiled binary XML files in res/* (excluding res/raw/*) and AndroidManifest.xml. It will also strip URI information from compiled binary XML files in res/* (excluding res/raw/* and AndroidManifest.xml). AndroidManifest.xml URI information is retained due to PackageParser, which requires the Android URI for intent filters. Bug: 29115919 Change-Id: I90cad6ed39ce02a69776f55314c1d4f38ad1aabe
128 lines
4.3 KiB
C++
128 lines
4.3 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_LINKER_LINKERS_H
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#define AAPT_LINKER_LINKERS_H
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#include "Resource.h"
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#include "process/IResourceTableConsumer.h"
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#include "xml/XmlDom.h"
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#include <set>
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namespace aapt {
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class ResourceTable;
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class ResourceEntry;
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struct ConfigDescription;
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/**
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* Defines the location in which a value exists. This determines visibility of other
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* package's private symbols.
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*/
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struct CallSite {
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ResourceNameRef resource;
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};
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/**
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* Determines whether a versioned resource should be created. If a versioned resource already
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* exists, it takes precedence.
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*/
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bool shouldGenerateVersionedResource(const ResourceEntry* entry, const ConfigDescription& config,
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const int sdkVersionToGenerate);
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class AutoVersioner : public IResourceTableConsumer {
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public:
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bool consume(IAaptContext* context, ResourceTable* table) override;
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};
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class XmlAutoVersioner : public IXmlResourceConsumer {
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public:
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bool consume(IAaptContext* context, xml::XmlResource* resource) override;
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};
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class VersionCollapser : public IResourceTableConsumer {
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public:
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bool consume(IAaptContext* context, ResourceTable* table) override;
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};
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/**
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* If any attribute resource values are defined as public, this consumer will move all private
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* attribute resource values to a private ^private-attr type, avoiding backwards compatibility
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* issues with new apps running on old platforms.
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*
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* The Android platform ignores resource attributes it doesn't recognize, so an app developer can
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* use new attributes in their layout XML files without worrying about versioning. This assumption
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* actually breaks on older platforms. OEMs may add private attributes that are used internally.
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* AAPT originally assigned all private attributes IDs immediately proceeding the public attributes'
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* IDs.
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*
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* This means that on a newer Android platform, an ID previously assigned to a private attribute
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* may end up assigned to a public attribute.
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*
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* App developers assume using the newer attribute is safe on older platforms because it will
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* be ignored. Instead, the platform thinks the new attribute is an older, private attribute and
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* will interpret it as such. This leads to unintended styling and exceptions thrown due to
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* unexpected types.
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*
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* By moving the private attributes to a completely different type, this ID conflict will never
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* occur.
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*/
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struct PrivateAttributeMover : public IResourceTableConsumer {
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bool consume(IAaptContext* context, ResourceTable* table) override;
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};
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/**
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* Removes namespace nodes and URI information from the XmlResource.
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*
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* Once an XmlResource is processed by this consumer, it is no longer able to have its attributes
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* parsed. As such, this XmlResource must have already been processed by XmlReferenceLinker.
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*/
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class XmlNamespaceRemover : public IXmlResourceConsumer {
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private:
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bool mKeepUris;
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public:
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XmlNamespaceRemover(bool keepUris = false) : mKeepUris(keepUris) {
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};
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bool consume(IAaptContext* context, xml::XmlResource* resource) override;
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};
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/**
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* Resolves attributes in the XmlResource and compiles string values to resource values.
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* Once an XmlResource is processed by this linker, it is ready to be flattened.
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*/
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class XmlReferenceLinker : public IXmlResourceConsumer {
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private:
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std::set<int> mSdkLevelsFound;
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public:
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bool consume(IAaptContext* context, xml::XmlResource* resource) override;
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/**
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* Once the XmlResource has been consumed, this returns the various SDK levels in which
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* framework attributes used within the XML document were defined.
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*/
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inline const std::set<int>& getSdkLevels() const {
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return mSdkLevelsFound;
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}
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};
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} // namespace aapt
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#endif /* AAPT_LINKER_LINKERS_H */
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