using System;
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namespace DynamicExpressoWebShell.Services
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{
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public class WebShell
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{
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readonly DynamicExpresso.Interpreter _interpreter;
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readonly CommandsHistory _commandsHistory;
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public WebShell()
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{
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_interpreter = new DynamicExpresso.Interpreter();
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_commandsHistory = new CommandsHistory();
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_interpreter.SetVariable("Commands", _commandsHistory);
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}
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public object Eval(string expression)
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{
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if (expression != null && expression.Length > 200)
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throw new Exception("Live demo doesn't support expression with more than 200 characters.");
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_commandsHistory.HandleCommandExecuted(new CommandEvent(expression));
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var result = _interpreter.Eval(expression);
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return result;
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}
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public CommandsHistory CommandsHistory
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{
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get;
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private set;
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}
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}
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}
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