Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / Tools / svcutil / CommandLineParser.cs / 1305376 / CommandLineParser.cs
//------------------------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------------------------- namespace Microsoft.Tools.ServiceModel.SvcUtil { using System; using System.Globalization; using System.Collections.Generic; using System.Text.RegularExpressions; internal enum SwitchType { Flag, SingletonValue, ValueList } internal class CommandSwitch { readonly string name; readonly string abbreviation; readonly SwitchType switchType; internal CommandSwitch(string name, string abbreviation, SwitchType switchType) { //ensure that either name doesn't start with '/' or '-' //also convert to lower-case if ((name[0] == '/') || (name[0] == '-')) this.name = (name.Substring(1)).ToLower(CultureInfo.InvariantCulture); else this.name = name.ToLower(CultureInfo.InvariantCulture); if ((abbreviation[0] == '/') || (abbreviation[0] == '-')) this.abbreviation = (abbreviation.Substring(1)).ToLower(CultureInfo.InvariantCulture); else this.abbreviation = abbreviation.ToLower(CultureInfo.InvariantCulture); this.switchType = switchType; } internal string Name { get { return name; } } #if NotUsed internal string Abbreviation { get { return abbreviation; } } #endif internal SwitchType SwitchType { get { return switchType; } } internal bool Equals(string other) { string temp; //ensure that compare doesn't start with '/' or '-' //also convert to lower-case if ((other[0] == '/') || (other[0] == '-')) temp = (other.Substring(1)).ToLower(CultureInfo.InvariantCulture); else temp = other.ToLower(CultureInfo.InvariantCulture); //if equal to name, then return the OK if (name.Equals(temp)) return true; //now check abbreviation return abbreviation.Equals(temp); } internal static CommandSwitch FindSwitch(string name, CommandSwitch[] switches) { foreach (CommandSwitch cs in switches) if (cs.Equals(name)) return cs; //if no match found, then return null return null; } } internal class ArgumentDictionary { Dictionary> contents; internal ArgumentDictionary(int capacity) { contents = new Dictionary >(capacity); } internal void Add(string key, string value) { IList values; if (!ContainsArgument(key)) { values = new List (); Add(key, values); } else values = GetArguments(key); values.Add(value); } internal string GetArgument(string key) { IList values; if (contents.TryGetValue(key.ToLower(CultureInfo.InvariantCulture), out values)) { #if SM_TOOL Tool.Assert((values.Count == 1), "contains more than one argument please call GetArguments"); #endif return values[0]; } #if SM_TOOL Tool.Assert(false, "argument was not specified please call ContainsArgument to check this"); ; #endif return null; // unreachable code but the compiler doesn't know this. } internal IList GetArguments(string key) { IList result; if (!contents.TryGetValue(key.ToLower(CultureInfo.InvariantCulture), out result)) result = new List (); return result; } internal bool ContainsArgument(string key) { return contents.ContainsKey(key.ToLower(CultureInfo.InvariantCulture)); } internal void Add(string key, IList values) { contents.Add(key.ToLower(CultureInfo.InvariantCulture), values); } internal int Count { get { return contents.Count; } } } internal static class CommandParser { internal static ArgumentDictionary ParseCommand(string[] cmd, CommandSwitch[] switches) { ArgumentDictionary arguments; //switches/values from cmd line string arg; //argument to test next CommandSwitch argSwitch; //switch corresponding to that argument string argValue; //value corresponding to that argument int delim; //location of value delimiter (':' or '=') arguments = new ArgumentDictionary(cmd.Length); foreach (string s in cmd) { arg = s; bool argIsFlag = true; //if argument does not start with switch indicator, place into "default" arguments if ((arg[0] != '/') && (arg[0] != '-')) { arguments.Add(String.Empty, arg); continue; } //if we have something which begins with '/' or '-', throw if nothing after it if (arg.Length == 1) throw new ArgumentException(SR.GetString(SR.ErrSwitchMissing, arg)); //yank switch indicator ('/' or '-') off of command argument arg = arg.Substring(1); //check to make sure delimiter does not start off switch delim = arg.IndexOfAny(new char[] { ':', '=' }); if (delim == 0) throw new ArgumentException(SR.GetString(SR.ErrUnexpectedDelimiter)); //if there is no value, than create a null string if (delim == (-1)) argValue = String.Empty; else { //assume valid argument now; must remove value attached to it //must avoid copying delimeter into either arguments argValue = arg.Substring(delim + 1); arg = arg.Substring(0, delim); argIsFlag = false; } //check if this switch exists in the list of possible switches //if no match found, then throw an exception argSwitch = CommandSwitch.FindSwitch(arg.ToLower(CultureInfo.InvariantCulture), switches); if (argSwitch == null) throw new ArgumentException(SR.GetString(SR.ErrUnknownSwitch, arg.ToLower(CultureInfo.InvariantCulture))); //check if switch is allowed to have a value // if not and a value has been specified, then thrown an exception if (argSwitch.SwitchType == SwitchType.Flag) { if (!argIsFlag) throw new ArgumentException(SR.GetString(SR.ErrUnexpectedValue, arg.ToLower(CultureInfo.InvariantCulture))); } else { if (argIsFlag) throw new ArgumentException(SR.GetString(SR.ErrExpectedValue, arg.ToLower(CultureInfo.InvariantCulture))); } //check if switch is allowed to be specified multiple times // if not and it has already been specified and a new value has been paresd, throw an exception if (argSwitch.SwitchType != SwitchType.ValueList && arguments.ContainsArgument(argSwitch.Name)) { throw new ArgumentException(SR.GetString(SR.ErrSingleUseSwitch, arg.ToLower(CultureInfo.InvariantCulture))); } else { arguments.Add(argSwitch.Name, argValue); } } return arguments; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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