272 lines
9.7 KiB
C#
272 lines
9.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Resources;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace Eugen.ESystem
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{
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public class ReplaceVariableByValue
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{
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#region Version und Copyright
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// Version und Copyright
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static string dllName = Path.GetFileNameWithoutExtension(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase); //Den Programmnamen auslesen
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static string dllVersion = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString();
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static object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCopyrightAttribute), false);
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static string copyright = GenerateCopyright();
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string icon = Application.StartupPath + "\\Info.bmp";
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//Assembly Datum und Zeit
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static DateTime value = AssemblyDateTime();
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string date = value.ToShortDateString();
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string time = value.ToLongTimeString();
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private static DateTime AssemblyDateTime()
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{
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var version = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version;
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var buildDateTime = new DateTime(2000, 1, 1).Add(new TimeSpan(TimeSpan.TicksPerDay * version.Build + TimeSpan.TicksPerSecond * 2 * version.Revision));
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//Tage seit dem 1. Januar 2000 und Sekunden seit Mitternacht, (multiplizier mit 2 ergibt das Original)
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return buildDateTime;
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}
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private static string CurrentYear()
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{
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DateTime dtn = DateTime.Now;
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return dtn.Year.ToString();
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}
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private static string StartYear()
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{
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string startYear = "";
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if (((AssemblyCopyrightAttribute)attributes[0]).Copyright.Contains("Copyright © "))
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{
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startYear = ((AssemblyCopyrightAttribute)attributes[0]).Copyright.Replace("Copyright © ", "");
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while (startYear.StartsWith(" "))
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{
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startYear = startYear.Remove(0, 1);
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}
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startYear = startYear.Remove(startYear.IndexOf(" "));
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return startYear;
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}
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else
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{
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DateTime dtn = DateTime.Now;
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return dtn.Year.ToString();
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}
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}
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private static string GenerateCopyright()
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{
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string startYear = StartYear();
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string currentYear = CurrentYear();
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if (startYear == currentYear)
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{
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return ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
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}
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else
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{
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return ((AssemblyCopyrightAttribute)attributes[0]).Copyright.Replace(startYear, String.Concat(startYear, "-", currentYear));
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}
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}
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#endregion
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#region DLL-Info
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/// <summary>
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/// Contains the name of the program file
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/// </summary>
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public static string DllName { set; get; }
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/// <summary>
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/// Contains the version of the program file
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/// </summary>
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public static string DllVersion { set; get; }
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/// <summary>
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/// Contains the copyright notice
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/// </summary>
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public static string Copyright { set; get; }
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private static void SetDllInfo()
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{
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//Name, Version und Copyright setzen
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DllName = dllName;
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DllVersion = dllVersion;
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Copyright = copyright;
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}
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#endregion
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/// <summary>
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/// Replaces a Environment variable through the variable value.
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/// </summary>
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static ReplaceVariableByValue()
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{
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SetDllInfo(); //Name, Version und Copyright der DLL setzen
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}
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const string repStart = "<§<§<§<";
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const string repEnd = ">§>§>§>";
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/// <summary>
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/// Replaces variables with the pattern ${variable} or %variable% with their value.
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/// </summary>
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/// <param name="text">The environment variable containing text. If a variable was not found, then the variable name is not replaced.</param>
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/// <returns>The edited text.</returns>
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public static string Replace(string text)
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{
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if (!(text.Contains("${") || text.Contains("%")) || String.IsNullOrEmpty(text))
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{
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return text;
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}
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while (text.Contains("${"))
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{
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text = ReplaceVarible(text, "${", "}");
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}
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//Wenn die Umgebungsvariable nicht gefunden wurde, dann die Ursprüngliche Umgebungsvariable wieder herstellen
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if (text.Contains(repStart))
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{
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text.Replace(repStart, "${");
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text.Replace(repEnd, "}");
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}
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while (text.Contains("%"))
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{
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text = ReplaceVarible(text, "%", "%");
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}
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//Wenn die Umgebungsvariable nicht gefunden wurde, dann die Ursprüngliche Umgebungsvariable wieder herstellen
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if (text.Contains(repStart))
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{
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text = text.Replace(repStart, "%");
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text = text.Replace(repEnd, "%");
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}
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return text;
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}
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/// <summary>
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/// Replaces variables with the pattern ${variable} or %variable% with their value.
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/// </summary>
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/// <param name="text">The environment variable containing text.</param>
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/// <param name="messageWhenError">Behavior if variable was not found. True=An exception is thrown. False=The variable is not replaced.</param>
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/// <returns>The edited text</returns>
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public static string Replace(string text, bool messageWhenError)
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{
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if ((!text.Contains("${") && !text.Contains("%")) || String.IsNullOrEmpty(text))
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{
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return text;
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}
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while (text.Contains("${"))
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{
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text = ReplaceVarible(text, "${", "}");
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}
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//Wenn die Umgebungsvariable nicht gefunden wurde, dann die Ursprüngliche Umgebungsvariable wieder herstellen
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if (text.Contains(repStart))
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{
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if (messageWhenError)
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{
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string varName = text.Remove(0, text.IndexOf(repStart) + 7);
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varName = varName.Remove(varName.IndexOf(repEnd));
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text.Replace(repStart, "${");
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text.Replace(repEnd, "}");
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throw new NoEnvironmentVariableFoundException(String.Concat(Language.message001seg01, varName, Language.message001seg02));
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}
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else
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{
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text.Replace(repStart, "${");
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text.Replace(repEnd, "}");
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}
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}
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while (text.Contains("%"))
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{
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text = ReplaceVarible(text, "%", "%");
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}
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//Wenn die Umgebungsvariable nicht gefunden wurde, dann die Ursprüngliche Umgebungsvariable wieder herstellen
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if (text.Contains(repStart))
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{
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if (messageWhenError)
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{
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string varName = text.Remove(0, text.IndexOf(repStart) + 7);
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varName = varName.Remove(varName.IndexOf(repEnd));
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text = text.Replace(repStart, "%");
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text = text.Replace(repEnd, "%");
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throw new NoEnvironmentVariableFoundException(String.Concat(Language.message001seg01, varName, Language.message001seg02));
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}
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else
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{
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text = text.Replace(repStart, "%");
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text = text.Replace(repEnd, "%");
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}
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}
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return text;
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}
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private static string ReplaceVarible(string text, string startSign, string endSign)
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{
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//Wert vor der Variablen sichern
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string temp = text.Remove(text.IndexOf(startSign));
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//Variable extrahieren
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text = text.Remove(0, text.IndexOf(startSign)); //'temp' entfernen
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text = text.Remove(0, startSign.Length); //'startSign' entfernen
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string variableName = text.Remove(text.IndexOf(endSign)); //'endSign' und nachfolgenden Text entfernen
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//Restlicher Text (hinter 'endSign') erzeugen
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text = text.Remove(0, text.IndexOf(endSign) + 1);
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//Variable umwandeln und Text wieder zusammenbauen
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string variable = ReplaceEnvironmentVariable(variableName);
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text = temp + variable + text; //Text wieder zusammensetzen
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return text;
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}
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private static string ReplaceEnvironmentVariable(string variableName)
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{
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string variableValue = "";
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//Wenn im Text eine bekannte Umgebungsvariable enthalten ist, dann gegen den aktuellen Wert tauschen
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variableValue = Environment.GetEnvironmentVariable(variableName);
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if (String.IsNullOrEmpty(variableValue))
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{
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variableValue = String.Concat(repStart, variableName, repEnd); //Wird keine Umgebungsvariable gefunden, dann wieder den Variblen Namen zurückgeben
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}
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return variableValue;
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}
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}
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#region Exceptions
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class NoEnvironmentVariableFoundException : ApplicationException
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{
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public NoEnvironmentVariableFoundException()
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{
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}
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public NoEnvironmentVariableFoundException(string message)
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: base(message)
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{
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}
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public NoEnvironmentVariableFoundException(string message, Exception inner)
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: base(message, inner)
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{
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}
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}
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#endregion
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}
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