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// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
namespace WixToolset.Core.CommandLine
{
using System;
using System.Collections.Generic;
using WixToolset.Extensibility;
using WixToolset.Extensibility.Data;
using WixToolset.Extensibility.Services;
internal enum CommandTypes
{
Unknown,
Build,
Preprocess,
Compile,
Link,
Bind,
Decompile,
}
internal class CommandLine : ICommandLine
{
private static readonly char[] BindPathSplit = { '=' };
public CommandLine(IServiceProvider serviceProvider)
{
this.ServiceProvider = serviceProvider;
this.Messaging = this.ServiceProvider.GetService<IMessaging>();
}
private IServiceProvider ServiceProvider { get; }
private IMessaging Messaging { get; set; }
public IExtensionManager ExtensionManager { get; set; }
public ICommandLineArguments Arguments { get; set; }
public static string ExpectedArgument { get; } = "expected argument";
public bool ShowHelp { get; private set; }
public ICommandLineCommand ParseStandardCommandLine()
{
var context = this.ServiceProvider.GetService<ICommandLineContext>();
context.ExtensionManager = this.ExtensionManager ?? this.ServiceProvider.GetService<IExtensionManager>();
context.Arguments = this.Arguments;
var command = this.Parse(context);
if (command.ShowLogo)
{
AppCommon.DisplayToolHeader();
}
return command;
//switch (commandType)
//{
//case CommandTypes.Build:
//{
// var sourceFiles = GatherSourceFiles(files, outputFolder);
// var variables = this.GatherPreprocessorVariables(defines);
// var bindPathList = this.GatherBindPaths(bindPaths);
// var filterCultures = CalculateFilterCultures(cultures);
// var type = CalculateOutputType(outputType, outputFile);
// var platform = CalculatePlatform(platformType);
// return new BuildCommand(this.ServiceProvider, sourceFiles, variables, locFiles, libraryFiles, filterCultures, outputFile, type, platform, cabCachePath, bindFiles, bindPathList, includePaths, intermediateFolder, contentsFile, outputsFile, builtOutputsFile);
//}
//case CommandTypes.Compile:
//{
// var sourceFiles = GatherSourceFiles(files, outputFolder);
// var variables = this.GatherPreprocessorVariables(defines);
// var platform = CalculatePlatform(platformType);
// return new CompileCommand(this.ServiceProvider, sourceFiles, variables, platform);
//}
//case CommandTypes.Decompile:
//{
// var sourceFiles = GatherSourceFiles(files, outputFolder);
// return new DecompileCommand(this.ServiceProvider, sourceFiles, outputFile);
//}
//}
//return null;
}
private ICommandLineCommand Parse(ICommandLineContext context)
{
var extensions = this.ExtensionManager.Create<IExtensionCommandLine>();
foreach (var extension in extensions)
{
extension.PreParse(context);
}
ICommandLineCommand command = null;
var parser = context.Arguments.Parse();
while (command?.StopParsing != true &&
String.IsNullOrEmpty(parser.ErrorArgument) &&
parser.TryGetNextSwitchOrArgument(out var arg))
{
if (String.IsNullOrWhiteSpace(arg)) // skip blank arguments.
{
continue;
}
// First argument must be the command or global switch (that creates a command).
if (command == null)
{
if (!this.TryParseUnknownCommandArg(arg, parser, out command, extensions))
{
parser.ErrorArgument = arg;
}
}
else if (parser.IsSwitch(arg))
{
if (!command.TryParseArgument(parser, arg) && !TryParseCommandLineArgumentWithExtension(arg, parser, extensions))
{
parser.ErrorArgument = arg;
}
}
else if (!TryParseCommandLineArgumentWithExtension(arg, parser, extensions) && command?.TryParseArgument(parser, arg) == false)
{
parser.ErrorArgument = arg;
}
}
foreach (var extension in extensions)
{
extension.PostParse();
}
return command ?? new HelpCommand();
}
private bool TryParseUnknownCommandArg(string arg, ICommandLineParser parser, out ICommandLineCommand command, IEnumerable<IExtensionCommandLine> extensions)
{
command = null;
if (parser.IsSwitch(arg))
{
var parameter = arg.Substring(1);
switch (parameter.ToLowerInvariant())
{
case "?":
case "h":
case "help":
command = new HelpCommand();
break;
case "version":
case "-version":
command = new VersionCommand();
break;
}
}
else
{
if (Enum.TryParse(arg, true, out CommandTypes commandType))
{
switch (commandType)
{
case CommandTypes.Build:
command = new BuildCommand(this.ServiceProvider);
break;
case CommandTypes.Compile:
command = new CompileCommand(this.ServiceProvider);
break;
case CommandTypes.Decompile:
command = new DecompileCommand(this.ServiceProvider);
break;
}
}
else
{
foreach (var extension in extensions)
{
if (extension.TryParseCommand(parser, out command))
{
break;
}
command = null;
}
}
}
return command != null;
}
private static bool TryParseCommandLineArgumentWithExtension(string arg, ICommandLineParser parse, IEnumerable<IExtensionCommandLine> extensions)
{
foreach (var extension in extensions)
{
if (extension.TryParseArgument(parse, arg))
{
return true;
}
}
return false;
}
}
}
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