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// Copyright 2014 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.devtools.build.lib.rules.objc;
import com.google.common.collect.ImmutableSet;
import com.google.devtools.build.lib.analysis.RuleContext;
import com.google.devtools.build.lib.rules.objc.ObjcRuleClasses.SdkFrameworksDependerRule;
import com.google.devtools.build.lib.syntax.Type;
/**
* Common logic for rules that inherit from {@link SdkFrameworksDependerRule}.
*/
public class ObjcSdkFrameworks {
/**
* Class that handles extraction and processing of attributes common to inheritors of {@link
* SdkFrameworksDependerRule}.
*/
public static class Attributes {
private final RuleContext ruleContext;
public Attributes(RuleContext ruleContext) {
this.ruleContext = ruleContext;
}
/**
* Returns the SDK frameworks defined on the rule's {@code sdk_frameworks} attribute as well as
* base frameworks defined in {@link ObjcRuleClasses#AUTOMATIC_SDK_FRAMEWORKS}.
*/
ImmutableSet<SdkFramework> sdkFrameworks() {
ImmutableSet.Builder<SdkFramework> result = new ImmutableSet.Builder<>();
result.addAll(ObjcRuleClasses.AUTOMATIC_SDK_FRAMEWORKS);
for (String explicit : ruleContext.attributes().get("sdk_frameworks", Type.STRING_LIST)) {
result.add(new SdkFramework(explicit));
}
return result.build();
}
/**
* Returns all SDK frameworks defined on the rule's {@code weak_sdk_frameworks} attribute.
*/
ImmutableSet<SdkFramework> weakSdkFrameworks() {
ImmutableSet.Builder<SdkFramework> result = new ImmutableSet.Builder<>();
for (String frameworkName :
ruleContext.attributes().get("weak_sdk_frameworks", Type.STRING_LIST)) {
result.add(new SdkFramework(frameworkName));
}
return result.build();
}
/**
* Returns all SDK dylibs defined on the rule's {@code sdk_dylibs} attribute.
*/
ImmutableSet<String> sdkDylibs() {
return ImmutableSet.copyOf(ruleContext.attributes().get("sdk_dylibs", Type.STRING_LIST));
}
}
}
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