using System;

using ScriptCs.Contracts;

namespace ScriptCs

{

public interface ILoadLineProcessor : ILineProcessor

{

}

public class LoadLineProcessor : DirectiveLineProcessor, ILoadLineProcessor

{

private readonly IFileSystem _fileSystem;

public LoadLineProcessor(IFileSystem fileSystem)

{

Guard.AgainstNullArgument("fileSystem", fileSystem);

_fileSystem = fileSystem;

}

protected override string DirectiveName

{

get { return "load"; }

}

protected override BehaviorAfterCode BehaviorAfterCode

{

get { return BehaviorAfterCode.Throw; }

}

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

{

Guard.AgainstNullArgument("parser", parser);

var argument = GetDirectiveArgument(line);

var filePath = Environment.ExpandEnvironmentVariables(argument);

var fullPath = _fileSystem.GetFullPath(filePath);

if (!string.IsNullOrWhiteSpace(fullPath))

{

parser.ParseFile(fullPath, context);

}

return true;

}

}

}