467f171315
Also moved some XML specific stuff into its own directory, and refactored ReferenceLinker a bit. Change-Id: I912247a82023c1bbf72dc191fbdaf62858cbec0c
86 lines
2.9 KiB
C++
86 lines
2.9 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_XML_XMLUTIL_H
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#define AAPT_XML_XMLUTIL_H
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#include "ResourceValues.h"
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#include "util/Maybe.h"
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#include <string>
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namespace aapt {
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namespace xml {
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constexpr const char16_t* kSchemaAuto = u"http://schemas.android.com/apk/res-auto";
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constexpr const char16_t* kSchemaPublicPrefix = u"http://schemas.android.com/apk/res/";
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constexpr const char16_t* kSchemaPrivatePrefix = u"http://schemas.android.com/apk/prv/res/";
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constexpr const char16_t* kSchemaAndroid = u"http://schemas.android.com/apk/res/android";
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/**
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* Result of extracting a package name from a namespace URI declaration.
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*/
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struct ExtractedPackage {
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/**
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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 package being compiled.
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*/
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std::u16string package;
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/**
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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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*/
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bool privateNamespace;
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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,
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* returns an empty package name.
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*/
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Maybe<ExtractedPackage> extractPackageFromNamespace(const std::u16string& namespaceUri);
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/**
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* Interface representing a stack of XML namespace declarations. When looking up the package
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* for a namespace prefix, the stack is checked from top to bottom.
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*/
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struct IPackageDeclStack {
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virtual ~IPackageDeclStack() = default;
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/**
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* Returns an ExtractedPackage struct if the alias given corresponds with a package declaration.
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*/
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virtual Maybe<ExtractedPackage> transformPackageAlias(
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const StringPiece16& alias, const StringPiece16& localPackage) const = 0;
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};
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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
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* the package declaration was private.
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*/
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void transformReferenceFromNamespace(IPackageDeclStack* declStack,
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const StringPiece16& localPackage, Reference* inRef);
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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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