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Using a third party library to parse command line arguments. Breaking change: output, previously the last argument, must now be prefixed with --output
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Peter Hultqvist
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Aug 7, 2013
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| [submodule "commandline"] | ||
| path = commandline | ||
| url = https://github.com/gsscoder/commandline.git |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| using System; | ||
| using CommandLine; | ||
| using System.Linq; | ||
| using System.Collections.Generic; | ||
| using System.IO; | ||
|
|
||
| namespace SilentOrbit.ProtocolBuffers | ||
| { | ||
| /// <summary> | ||
| /// Options set using Command Line arguments | ||
| /// </summary> | ||
| public class Options | ||
| { | ||
| /// <summary> | ||
| /// Convert message/class and field/propery names to CamelCase | ||
| /// </summary> | ||
| [Option("preserve-names", HelpText = "Keep names as written in .proto, otherwise class and field names by default are converted to CamelCase")] | ||
| public bool PreserveNames { get; set; } | ||
|
|
||
| /// <summary> | ||
| /// If false, an error will occur. | ||
| /// </summary> | ||
| [Option("fix-nameclash", HelpText = "If a property name is the same as its class name or any subclass the property will be renamed. if the name clash occurs and this flag is not set, an error will occur and the code generation is aborted.")] | ||
| public bool FixNameclash { get; set; } | ||
|
|
||
| /// <summary> | ||
| /// Generated code indent using tabs | ||
| /// </summary> | ||
| [Option('t', "use-tabs", HelpText = "If set generated code will use tabs rather than 4 spaces.")] | ||
| public bool UseTabs { get; set; } | ||
|
|
||
| [Value(0, Required = true)] | ||
| public IEnumerable<string> InputProto { get; set; } | ||
|
|
||
| /// <summary> | ||
| /// Path to the generated cs files | ||
| /// </summary> | ||
| [Option('o', "output", Required = false, HelpText = "Path to the generated .cs file.")] | ||
| public string OutputPath { get; set; } | ||
|
|
||
| public static Options Parse(string[] args) | ||
| { | ||
| var result = Parser.Default.ParseArguments<Options>(args); | ||
| var options = result.Value; | ||
| if (result.Errors.Any()) | ||
| return null; | ||
|
|
||
| bool error = false; | ||
|
|
||
| //Do any extra option checking/cleanup here | ||
| var inputs = new List<string>(options.InputProto); | ||
| options.InputProto = inputs; | ||
| for (int n = 0; n < inputs.Count; n++) | ||
| { | ||
| inputs[n] = Path.GetFullPath(inputs[n]); | ||
| if (File.Exists(inputs[n]) == false) | ||
| { | ||
| Console.Error.WriteLine("File not found: " + inputs[n]); | ||
| error = true; | ||
| } | ||
| } | ||
|
|
||
| //Backwards compatibility | ||
| string firstPathCs = inputs[0]; | ||
| firstPathCs = Path.Combine( | ||
| Path.GetDirectoryName(firstPathCs), | ||
| Path.GetFileNameWithoutExtension(firstPathCs)) + ".cs"; | ||
|
|
||
| if (options.OutputPath == null) | ||
| { | ||
| //Use first .proto as base for output | ||
| options.OutputPath = firstPathCs; | ||
| Console.Error.WriteLine("Warning: Please use the new syntax: --output \"" + options.OutputPath + "\""); | ||
| } | ||
| //If output is a directory then the first input filename will be used. | ||
| if (options.OutputPath.EndsWith(Path.DirectorySeparatorChar.ToString()) || Directory.Exists(options.OutputPath)) | ||
| { | ||
| Directory.CreateDirectory(options.OutputPath); | ||
| options.OutputPath = Path.Combine(options.OutputPath, Path.GetFileName(firstPathCs)); | ||
| } | ||
| options.OutputPath = Path.GetFullPath(options.OutputPath); | ||
|
|
||
| if(error) | ||
| return null; | ||
| else | ||
| return options; | ||
| } | ||
| } | ||
| } | ||
|
|
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