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// Copyright 2015 Google Inc. 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.HashMultiset;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Multiset;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.RuleConfiguredTarget.Mode;
import com.google.devtools.build.lib.analysis.RuleContext;
/**
* Support for resource processing on Objc rules.
*
* <p>Methods on this class can be called in any order without impacting the result.
*/
final class ResourceSupport {
private final RuleContext ruleContext;
private final Attributes attributes;
/**
* Creates a new resource support for the given context.
*/
ResourceSupport(RuleContext ruleContext) {
this.ruleContext = ruleContext;
this.attributes = new Attributes(ruleContext);
}
/**
* Adds common xcode settings to the given provider builder.
*
* @return this resource support
*/
ResourceSupport addXcodeSettings(XcodeProvider.Builder xcodeProviderBuilder) {
xcodeProviderBuilder.addInputsToXcodegen(Xcdatamodel.inputsToXcodegen(attributes.datamodels()));
return this;
}
/**
* Validates resource attributes on this rule.
*
* @return this resource support
*/
ResourceSupport validateAttributes() {
Iterable<String> assetCatalogErrors = ObjcCommon.notInContainerErrors(
attributes.assetCatalogs(), ObjcCommon.ASSET_CATALOG_CONTAINER_TYPE);
for (String error : assetCatalogErrors) {
ruleContext.attributeError("asset_catalogs", error);
}
Iterable<String> dataModelErrors =
ObjcCommon.notInContainerErrors(attributes.datamodels(), Xcdatamodels.CONTAINER_TYPES);
for (String error : dataModelErrors) {
ruleContext.attributeError("datamodels", error);
}
Multiset<Artifact> resources = HashMultiset.create();
resources.addAll(attributes.resources());
resources.addAll(attributes.structuredResources());
resources.addAll(attributes.strings());
resources.addAll(attributes.assetCatalogs());
resources.addAll(attributes.datamodels());
resources.addAll(attributes.xibs());
resources.addAll(attributes.storyboards());
for (Multiset.Entry<Artifact> entry : resources.entrySet()) {
if (entry.getCount() > 1) {
ruleContext.ruleError(
"The same file was included multiple times in this rule: "
+ entry.getElement().getRootRelativePathString());
}
}
return this;
}
private static class Attributes {
private final RuleContext ruleContext;
Attributes(RuleContext ruleContext) {
this.ruleContext = ruleContext;
}
ImmutableList<Artifact> datamodels() {
return ruleContext.getPrerequisiteArtifacts("datamodels", Mode.TARGET).list();
}
ImmutableList<Artifact> assetCatalogs() {
return ruleContext.getPrerequisiteArtifacts("asset_catalogs", Mode.TARGET).list();
}
ImmutableList<Artifact> strings() {
return ruleContext.getPrerequisiteArtifacts("strings", Mode.TARGET).list();
}
ImmutableList<Artifact> xibs() {
return ruleContext
.getPrerequisiteArtifacts("xibs", Mode.TARGET)
.errorsForNonMatching(ObjcRuleClasses.XIB_TYPE)
.list();
}
ImmutableList<Artifact> storyboards() {
return ruleContext.getPrerequisiteArtifacts("storyboards", Mode.TARGET).list();
}
ImmutableList<Artifact> resources() {
return ruleContext.getPrerequisiteArtifacts("resources", Mode.TARGET).list();
}
ImmutableList<Artifact> structuredResources() {
return ruleContext.getPrerequisiteArtifacts("structured_resources", Mode.TARGET).list();
}
}
}
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