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LaunchArgumentParser.UnknownArguments

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Timerix 2025-04-26 04:37:15 +05:00
parent e391f0238a
commit c77b3e0742
2 changed files with 26 additions and 14 deletions
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38
DTLib/Console/LaunchArgumentParser.cs
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@ -3,7 +3,10 @@ namespace DTLib.Console;
public class LaunchArgumentParser public class LaunchArgumentParser
{ {
public string HelpMessageHeader = "USAGE:"; public string HelpMessageHeader = "USAGE:";
public bool IsAllowedNoArguments; public bool AllowedNoArguments;
public bool AllowedUnknownArguments;
// ReSharper disable once CollectionNeverQueried.Global
public readonly List<string> UnknownArguments = new();
private readonly Dictionary<string, LaunchArgument> argDict = new(); private readonly Dictionary<string, LaunchArgument> argDict = new();
private readonly List<LaunchArgument> argList = new(); private readonly List<LaunchArgument> argList = new();
@ -43,7 +46,13 @@ public class LaunchArgumentParser
public LaunchArgumentParser AllowNoArguments() public LaunchArgumentParser AllowNoArguments()
{ {
IsAllowedNoArguments = true; AllowedNoArguments = true;
return this;
}
public LaunchArgumentParser AllowUnknownArguments()
{
AllowedUnknownArguments = true;
return this; return this;
} }
@ -62,7 +71,8 @@ public class LaunchArgumentParser
public string CreateHelpArgMessage(string argAlias) public string CreateHelpArgMessage(string argAlias)
{ {
StringBuilder b = new(); StringBuilder b = new();
var arg = ParseArg(argAlias); if(!TryParseArg(argAlias, out var arg))
throw new Exception($"unknown argument '{argAlias}'");
arg.AppendHelpInfo(b); arg.AppendHelpInfo(b);
return b.ToString(); return b.ToString();
} }
@ -74,16 +84,13 @@ public class LaunchArgumentParser
argDict.Add(alias, arg); argDict.Add(alias, arg);
} }
public LaunchArgument ParseArg(string argAlias) public bool TryParseArg(string argAlias, out LaunchArgument arg)
{ {
// different argument providing patterns // different argument providing patterns
if (!argDict.TryGetValue(argAlias, out var arg) && // arg arg = null!;
!(argAlias.StartsWith("--") && argDict.TryGetValue(argAlias.Substring(2), out arg)) && // --arg return argAlias.StartsWith("--") && argDict.TryGetValue(argAlias.Substring(2), out arg) || // --arg
!(argAlias.StartsWith('-') && argDict.TryGetValue(argAlias.Substring(1), out arg)) && // -arg argAlias.StartsWith('-') && argDict.TryGetValue(argAlias.Substring(1), out arg) || // -arg
!(argAlias.StartsWith('/') && argDict.TryGetValue(argAlias.Substring(1), out arg))) // /arg argAlias.StartsWith('/') && argDict.TryGetValue(argAlias.Substring(1), out arg); // /arg
throw new Exception($"invalid argument: {argAlias}\n{CreateHelpMessage()}");
return arg;
} }
/// <param name="args">program launch args</param> /// <param name="args">program launch args</param>
@ -93,14 +100,19 @@ public class LaunchArgumentParser
public void ParseAndHandle(string[] args) public void ParseAndHandle(string[] args)
{ {
// show help message and throw ExitAfterHelpException // show help message and throw ExitAfterHelpException
if (args.Length == 0 && !IsAllowedNoArguments) if (args.Length == 0 && !AllowedNoArguments)
HelpHandler(); HelpHandler();
List<LaunchArgument> execQueue = new(); List<LaunchArgument> execQueue = new();
for (int i = 0; i < args.Length; i++) for (int i = 0; i < args.Length; i++)
{ {
var arg = ParseArg(args[i]); if (!TryParseArg(args[i], out var arg))
{
if (!AllowedUnknownArguments)
throw new Exception($"unknown argument '{args[i]}'");
UnknownArguments.Add(args[i]);
}
for (int j = 0; j < arg.Params.Length; j++) for (int j = 0; j < arg.Params.Length; j++)
{ {
if (++i >= args.Length) if (++i >= args.Length)

2
DTLib/DTLib.csproj
View File

@ -2,7 +2,7 @@
<PropertyGroup> <PropertyGroup>
<!--package info--> <!--package info-->
<PackageId>DTLib</PackageId> <PackageId>DTLib</PackageId>
<Version>1.7.2</Version> <Version>1.7.3</Version>
<Authors>Timerix</Authors> <Authors>Timerix</Authors>
<Description>Library for all my C# projects</Description> <Description>Library for all my C# projects</Description>
<RepositoryType>GIT</RepositoryType> <RepositoryType>GIT</RepositoryType>