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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.common.options;
import java.util.List;
/**
* A read-only interface for options parser results, which does not allow any
* further parsing of options.
*/
public interface OptionsProvider extends OptionsClassProvider {
/**
* Returns an immutable copy of the residue, that is, the arguments that
* have not been parsed.
*/
List<String> getResidue();
/**
* Returns if the named option was specified explicitly in a call to parse.
*/
boolean containsExplicitOption(String string);
/**
* Returns a mutable copy of the list of all options that were specified either explicitly or
* implicitly. These options are sorted by priority, and by the order in which they were
* specified. If an option was specified multiple times, it is included in the result multiple
* times. Does not include the residue.
*
* <p>The returned list includes undocumented, hidden or implicit options, and should be filtered
* as needed. Since it includes all options parsed, it will also include both an expansion option
* and the options it expanded to, and so blindly using this list for a new invocation will cause
* double-application of these options.
*/
List<ParsedOptionDescription> asCompleteListOfParsedOptions();
/**
* Returns a list of all explicitly specified options, suitable for logging or for displaying back
* to the user. These options are sorted by priority, and by the order in which they were
* specified. If an option was explicitly specified multiple times, it is included in the result
* multiple times. Does not include the residue.
*
* <p>The list includes undocumented options.
*/
List<ParsedOptionDescription> asListOfExplicitOptions();
/**
* Returns a list of the parsed options whose values are in the final value of the option, i.e.
* the options that were added explicitly, expanded if necessary to the valued options they
* affect. This will not include values that were set and then overridden by a later value of the
* same option.
*
* <p>The list includes undocumented options.
*/
List<ParsedOptionDescription> asListOfCanonicalOptions();
/**
* Returns a list of all options, including undocumented ones, and their effective values. There
* is no guaranteed ordering for the result.
*/
List<OptionValueDescription> asListOfOptionValues();
/**
* Canonicalizes the list of options that this OptionsParser has parsed. The
* contract is that if the returned set of options is passed to an options
* parser with the same options classes, then that will have the same effect
* as using the original args (which are passed in here), except for cosmetic
* differences.
*/
List<String> canonicalize();
}
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