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91 lines
3.6 KiB
91 lines
3.6 KiB
/*
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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_XML_XMLUTIL_H
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#define AAPT_XML_XMLUTIL_H
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#include <string>
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#include "ResourceValues.h"
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#include "util/Maybe.h"
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namespace aapt {
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namespace xml {
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constexpr const char* kSchemaAuto = "http://schemas.android.com/apk/res-auto";
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constexpr const char* kSchemaPublicPrefix = "http://schemas.android.com/apk/res/";
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constexpr const char* kSchemaPrivatePrefix = "http://schemas.android.com/apk/prv/res/";
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constexpr const char* kSchemaAndroid = "http://schemas.android.com/apk/res/android";
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constexpr const char* kSchemaTools = "http://schemas.android.com/tools";
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constexpr const char* kSchemaAapt = "http://schemas.android.com/aapt";
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// Result of extracting a package name from a namespace URI declaration.
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struct ExtractedPackage {
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// The name of the package. This can be the empty string, which means that the package
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// should be assumed to be the same as the CallSite it was defined in.
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std::string package;
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// True if the package's private namespace was declared. This means that private resources
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// are made visible.
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bool private_namespace;
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friend inline bool operator==(const ExtractedPackage& a, const ExtractedPackage& b) {
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return a.package == b.package && a.private_namespace == b.private_namespace;
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}
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};
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// Returns an ExtractedPackage struct if the namespace URI is of the form:
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// http://schemas.android.com/apk/res/<package> or
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// http://schemas.android.com/apk/prv/res/<package>
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//
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// Special case: if namespaceUri is http://schemas.android.com/apk/res-auto, returns an empty
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// package name.
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Maybe<ExtractedPackage> ExtractPackageFromNamespace(const std::string& namespace_uri);
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// Returns an XML Android namespace for the given package of the form:
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// http://schemas.android.com/apk/res/<package>
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//
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// If privateReference == true, the package will be of the form:
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// http://schemas.android.com/apk/prv/res/<package>
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std::string BuildPackageNamespace(const android::StringPiece& package,
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bool private_reference = false);
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// Interface representing a stack of XML namespace declarations. When looking up the package for a
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// namespace prefix, the stack is checked from top to bottom.
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struct IPackageDeclStack {
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virtual ~IPackageDeclStack() = default;
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// Returns an ExtractedPackage struct if the alias given corresponds with a package declaration.
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virtual Maybe<ExtractedPackage> TransformPackageAlias(
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const android::StringPiece& alias) const = 0;
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};
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// Helper function for transforming the original Reference inRef to a fully qualified reference
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// via the IPackageDeclStack. This will also mark the Reference as private if the namespace of the
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// package declaration was private.
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void ResolvePackage(const IPackageDeclStack* decl_stack, Reference* in_ref);
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class Element;
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// Strips out any attributes in the http://schemas.android.com/tools namespace, which is owned by
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// Android Studio and should not make it to the final APK.
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void StripAndroidStudioAttributes(Element* el);
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} // namespace xml
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} // namespace aapt
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#endif /* AAPT_XML_XMLUTIL_H */
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