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OptionParser.cs
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OptionParser.cs
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using System;
using System.Collections.Generic;
using System.Reflection;
using System.Text;
namespace UsageRateTool
{
class OptionParser
{
IEnumerable<string> _sources;
IEnumerable<string> _targets;
const string SourceOption = "-s";
const string TargetOption = "-t";
const string HelpOption = "-h";
string option = null;
public OptionParser(string[] args)
{
List<string> sources = new List<string>();
List<string> targets = new List<string>();
List<string> others = new List<string>();
foreach (var arg in args)
{
if (arg == SourceOption)
{
option = SourceOption;
}
else if (arg == TargetOption)
{
option = TargetOption;
}
else if (arg == HelpOption)
{
Help();
return;
}
else
{
if (option == SourceOption)
{
sources.Add(arg);
}
else if (option == TargetOption)
{
targets.Add(arg);
}
else
{
others.Add(arg);
}
}
}
if (sources.Count == 0)
{
sources.AddRange(others);
}
_sources = sources;
_targets = targets;
}
public void Help()
{
var name = this.GetType().Assembly.GetName().Name;
Console.WriteLine($"Usage: {name} <source dll>");
Console.WriteLine($"Usage: {name} [{SourceOption}] <source dlls> [{TargetOption}] <target dlls>");
Console.WriteLine($"Usage: {name} [{HelpOption}]");
}
public IEnumerable<string> Sources => _sources;
public IEnumerable<string> Targets => _targets;
}
}