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ReferenceLineProcessor.cs

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using System;

using System.IO;

using ScriptCs.Contracts;

namespace ScriptCs

{

public interface IReferenceLineProcessor : ILineProcessor

{

}

public class ReferenceLineProcessor : DirectiveLineProcessor, IReferenceLineProcessor

{

private readonly IFileSystem _fileSystem;

public ReferenceLineProcessor(IFileSystem fileSystem)

{

Guard.AgainstNullArgument("fileSystem", fileSystem);

_fileSystem = fileSystem;

}

protected override string DirectiveName => "r";

protected override BehaviorAfterCode BehaviorAfterCode => BehaviorAfterCode.Throw;

protected override bool ProcessLine(IFileParser parser, FileParserContext context, string line)

{

Guard.AgainstNullArgument("context", context);

var argument = GetDirectiveArgument(line);

var assemblyPath = Environment.ExpandEnvironmentVariables(argument);

var referencePath = _fileSystem.GetFullPath(assemblyPath);

var referencePathOrName = _fileSystem.FileExists(referencePath) ? referencePath : argument;

if (!string.IsNullOrWhiteSpace(referencePathOrName) && !context.References.Contains(referencePathOrName))

{

context.References.Add(referencePathOrName);

}

return true;

}