// 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 static com.google.devtools.build.lib.packages.Attribute.attr;
import static com.google.devtools.build.lib.packages.BuildType.LABEL_LIST;

import com.google.devtools.build.lib.analysis.BaseRuleClasses;
import com.google.devtools.build.lib.analysis.RuleDefinition;
import com.google.devtools.build.lib.analysis.RuleDefinitionEnvironment;
import com.google.devtools.build.lib.packages.RuleClass;
import com.google.devtools.build.lib.syntax.Type;
import com.google.devtools.build.lib.util.FileTypeSet;

/**
 * Rule definition for objc_framework.
 */
public class ObjcFrameworkRule implements RuleDefinition {

  @Override
  public RuleClass build(RuleClass.Builder builder, RuleDefinitionEnvironment environment) {
    return builder
        .requiresConfigurationFragments(ObjcConfiguration.class)
        /* <!-- #BLAZE_RULE(objc_framework).ATTRIBUTE(framework_imports) -->
        The list of files under a <code>.framework</code> directory which are
        provided to Objective-C targets that depend on this target.
        <!-- #END_BLAZE_RULE.ATTRIBUTE --> */
        .add(
            attr("framework_imports", LABEL_LIST)
                .allowedFileTypes(FileTypeSet.ANY_FILE)
                .mandatory()
                .nonEmpty())
        /* <!-- #BLAZE_RULE(objc_framework).ATTRIBUTE(is_dynamic) -->
        Indicates whether this framework is linked dynamically. If this attribute is set, the
        framework will be copied into the final application bundle.
        <!-- #END_BLAZE_RULE.ATTRIBUTE --> */
        .add(attr("is_dynamic", Type.BOOLEAN).value(false))
        .build();
  }

  @Override
  public Metadata getMetadata() {
    return RuleDefinition.Metadata.builder()
        .name("objc_framework")
        .factoryClass(ObjcFramework.class)
        .ancestors(BaseRuleClasses.BaseRule.class, ObjcRuleClasses.SdkFrameworksDependerRule.class)
        .build();
  }
}

/*<!-- #BLAZE_RULE (NAME = objc_framework, TYPE = LIBRARY, FAMILY = Objective-C) -->

<p>This rule encapsulates an already-built framework. It is defined by a list
of files in one or more <code>.framework</code> directories.

<!-- #END_BLAZE_RULE -->*/