---- GetOpt.cs ----
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace GetOptForConsole
{
using GetOptDic = System.Collections.Generic.Dictionary<String, Object>;
using GetOptList = System.Collections.Specialized.StringCollection;
/// <summary>
/// Analyze argument class.
/// </summary>
/// <example>
/// src1 /MAT dir1\dir2\mat.txt src2 /material dir2\dir3\mat.txt /omi abc /dmy def src3 src4
/// /MAT and /material : set to the same variable.
/// </example>
/// <code>
/// string materialFile;
/// var opt = new GetOpt();
/// opt.Add("/MAT", c => materialFile = c);
/// opt.Add("/material", c => materialFile = c);
/// opt.Add("/omi", "");
/// opt.Run(args);
/// string omi = opt["/omi"];
/// string mat = opt["/MAT"]; // throw ArgumentException
///
/// string [] newArgs = opt.Args.ToString();
/// --- OR ---
/// foreach(string a in opt.Args) {
/// ...
/// }
/// --- OR ---
/// if (opt.Args.Count >= 1) source1 = opt.Args[0];
/// if (opt.Args.Count >= 2) source2 = opt.Args[1];
/// </code>
class GetOpt
{
/// <summary>
/// Store option arguments.
/// </summary>
private GetOptDic mOptions = new GetOptDic();
/// <summary>
/// Store non option arguments.
/// </summary>
private GetOptList mArgs = new GetOptList();
public GetOpt() { }
public GetOpt(GetOpt iOriginal) { this.mOptions.Concat(iOriginal.mOptions); }
/// <summary>
/// Regist option argument (if action).
/// </summary>
/// <param name="iKey">Option name. (ex: /MAT)</param>
/// <param name="iValue">Action. (ex: (Action \lt string \gt )(c => { materialPath = c; }) )</param>
public void Add(string iKey, Action<string> iValue) { this.mOptions.Add(iKey, iValue); }
/// <summary>
/// Regist option argument (if string).
/// </summary>
/// <param name="iKey">Option name. (ex: /MAT)</param>
/// <param name="iValue">Initial value. default is <seealso cref="String.Empty"/> 。</param>
public void Add(string iKey, string iValue = "") { this.mOptions.Add(iKey, iValue); }
/// <summary>
/// Get option value. (if string)
/// </summary>
/// <param name="iKey">Option name. (ex: /MAT)</param>
/// <returns>Option value. </returns>
/// <exception cref="ArgumentException">Illigal argument. the value is action. </exception>
public string this[string iKey]
{
get
{
object val = this.mOptions[iKey];
if (val is string)
{
// unboxing.
return (string)val;
}
else
{
throw new ArgumentException(message: "Illigal argument. the value is action.", paramName: "iKey");
}
}
}
/// <summary>
/// Get the collection of non option value.
/// </summary>
public System.Collections.Specialized.StringCollection Args
{
get
{
return mArgs;
}
}
/// <summary>
/// Analyze argument.
/// </summary>
/// <param name="args">Arguments. </param>
public void Run(string[] args)
{
string curOption = "";
foreach (string curArg in args)
{
if (curOption != "")
{
if (this.mOptions[curOption] is string)
{
this.mOptions[curOption] = curArg;
}
else if (this.mOptions[curOption] is Action<string>)
{
var action = (Action<string>)this.mOptions[curOption];
action(curArg);
}
curOption = "";
}
else if (this.mOptions.ContainsKey(curArg))
{
curOption = curArg;
}
else
{
mArgs.Add(curArg);
}
}
}
}
class SampleOfGetOpt
{
public static void SampleMain()
{
var originalArgs = new string[] { @"src1", @"/MAT", @"dir1\dir2\mat.txt", @"src2", @"/material", @"dir2\dir3\mat.txt", @"/omi", @"abc", @"/dmy", @"def", @"src3", @"src4" };
string materialFile = "";
var opt = new GetOpt();
opt.Add("/MAT", c => materialFile = c);
opt.Add("/material", c => materialFile = c);
opt.Add("/omi", "");
opt.Add("/dmy", "");
opt.Run(originalArgs);
Console.WriteLine("materialFile=[" + materialFile + "]");
string omi = opt["/omi"];
Console.WriteLine("/omi=[" + omi + "]");
string dmy = opt["/dmy"];
Console.WriteLine("/dmy=[" + dmy + "]");
string mat = "";
try
{
mat = opt["/MAT"]; // throw ArgumentException
Console.WriteLine("/MAT=[" + mat + "]");
}
catch (Exception e)
{
Console.WriteLine("/MAT=[[" + e.ToString() + "]]");
}
foreach (string a in opt.Args)
{
Console.WriteLine("opt.Args=[" + a + "]");
}
}
}
}
