111 lines
3.8 KiB
C#
111 lines
3.8 KiB
C#
using System;
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using System.Collections.Specialized;
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using System.Text.RegularExpressions;
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namespace CommandLine.Utility
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{
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/// <summary>
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/// Arguments class
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/// </summary>
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public class Arguments
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{
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// Variables
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private StringDictionary Parameters;
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// Constructor
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public Arguments(string[] Args)
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{
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Parameters = new StringDictionary();
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Regex Spliter = new Regex(@"^-{1,2}|^/|=|:",
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RegexOptions.IgnoreCase | RegexOptions.Compiled);
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Regex Remover = new Regex(@"^['""]?(.*?)['""]?$",
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RegexOptions.IgnoreCase | RegexOptions.Compiled);
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string Parameter = null;
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string[] Parts;
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// Valid parameters forms:
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// {-,/,--}param{ ,=,:}((",')value(",'))
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// Examples:
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// -param1 value1 --param2 /param3:"Test-:-work"
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// /param4=happy -param5 '--=nice=--'
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foreach (string Txt in Args)
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{
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// Look for new parameters (-,/ or --) and a
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// possible enclosed value (=,:)
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Parts = Spliter.Split(Txt, 3);
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switch (Parts.Length)
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{
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// Found a value (for the last parameter
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// found (space separator))
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case 1:
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if (Parameter != null)
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{
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if (!Parameters.ContainsKey(Parameter))
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{
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Parts[0] =
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Remover.Replace(Parts[0], "$1");
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Parameters.Add(Parameter, Parts[0]);
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}
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Parameter = null;
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}
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// else Error: no parameter waiting for a value (skipped)
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break;
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// Found just a parameter
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case 2:
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// The last parameter is still waiting.
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// With no value, set it to true.
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if (Parameter != null)
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{
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if (!Parameters.ContainsKey(Parameter))
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Parameters.Add(Parameter, "true");
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}
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Parameter = Parts[1];
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break;
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// Parameter with enclosed value
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case 3:
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// The last parameter is still waiting.
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// With no value, set it to true.
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if (Parameter != null)
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{
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if (!Parameters.ContainsKey(Parameter))
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Parameters.Add(Parameter, "true");
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}
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Parameter = Parts[1];
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// Remove possible enclosing characters (",')
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if (!Parameters.ContainsKey(Parameter))
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{
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Parts[2] = Remover.Replace(Parts[2], "$1");
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Parameters.Add(Parameter, Parts[2]);
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}
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Parameter = null;
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break;
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}
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}
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// In case a parameter is still waiting
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if (Parameter != null)
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{
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if (!Parameters.ContainsKey(Parameter))
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Parameters.Add(Parameter, "true");
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}
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}
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// Retrieve a parameter value if it exists
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// (overriding C# indexer property)
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public string this[string Param]
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{
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get
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{
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return (Parameters[Param]);
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}
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}
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}
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} |