public override void Execute()
{
base.Execute();
List <string> singleOptionList = GrepOptions.GetSingleOptions();
CommandLineOptions cloptions = CommandLineParser.Parse(Arguments.ToArray <string>(), singleOptionList.ToArray());
options = ParseOptions(cloptions);
CheckOptions(options);
if (options.IsSetHelp)
{
RaiseCommandLineUsage(this, GrepOptions.Usage);
}
else if (options.IsSetVersion)
{
RaiseCommandLineUsage(this, Version);
}
else
{
if (options.IsSetOutputFile)
{
DeleteOutputFile();
}
StartGrep();
}
Terminate();
}
public override void Execute()
{
base.Execute();
List<string> singleOptionList = GrepOptions.GetSingleOptions();
CommandLineOptions cloptions = CommandLineParser.Parse(Arguments.ToArray<string>(), singleOptionList.ToArray());
options = ParseOptions(cloptions);
CheckOptions(options);
if (options.IsSetHelp)
{
RaiseCommandLineUsage(this, GrepOptions.Usage);
}
else if (options.IsSetVersion)
{
RaiseCommandLineUsage(this, Version);
}
else
{
if (options.IsSetOutputFile)
{
DeleteOutputFile();
}
StartGrep();
}
Terminate();
}
private static void CheckOptions(GrepCommandLineOptions checkedOptions)
{
if (!checkedOptions.IsSetHelp && !checkedOptions.IsSetVersion)
{
if (!checkedOptions.IsSetRegexPattern || string.IsNullOrEmpty(checkedOptions.RegexPattern))
{
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "must specify regex pattern for matching."));
}
if (!checkedOptions.IsSetPath || checkedOptions.FilePaths.Count <= 0)
{
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "must specify a path for grep."));
}
if (checkedOptions.IsSetOutputFile && string.IsNullOrEmpty(checkedOptions.OutputFile))
{
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "bad output file path format."));
}
}
}
private static GrepCommandLineOptions ParseOptions(CommandLineOptions commandLineOptions)
{
if (commandLineOptions == null)
{
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "must specify a option."));
}
GrepCommandLineOptions targetOptions = new GrepCommandLineOptions();
if (commandLineOptions.Arguments.Count >= 0)
{
foreach (var arg in commandLineOptions.Arguments.Keys)
{
GrepOptionType optionType = GrepOptions.GetOptionType(arg);
if (optionType == GrepOptionType.None)
{
throw new CommandLineException(
string.Format(CultureInfo.CurrentCulture, "Option used in invalid context -- {0}",
string.Format(CultureInfo.CurrentCulture, "cannot parse the command line argument : [{0}].", arg)));
}
switch (optionType)
{
case GrepOptionType.RegexPattern:
targetOptions.IsSetRegexPattern = true;
targetOptions.RegexPattern = commandLineOptions.Arguments[arg];
break;
case GrepOptionType.File:
targetOptions.IsSetPath = true;
targetOptions.FilePaths.Add(commandLineOptions.Arguments[arg]);
break;
case GrepOptionType.FixedStrings:
targetOptions.IsSetFixedStrings = true;
break;
case GrepOptionType.IgnoreCase:
targetOptions.IsSetIgnoreCase = true;
break;
case GrepOptionType.InvertMatch:
targetOptions.IsSetInvertMatch = true;
break;
case GrepOptionType.OutputFile:
targetOptions.IsSetOutputFile = true;
targetOptions.OutputFile = commandLineOptions.Arguments[arg];
break;
case GrepOptionType.Count:
targetOptions.IsSetCount = true;
break;
case GrepOptionType.FilesWithoutMatch:
targetOptions.IsSetFilesWithoutMatch = true;
break;
case GrepOptionType.FilesWithMatchs:
targetOptions.IsSetFilesWithMatchs = true;
break;
case GrepOptionType.NoMessages:
targetOptions.IsSetNoMessages = true;
break;
case GrepOptionType.WithFileName:
targetOptions.IsSetWithFileName = true;
break;
case GrepOptionType.NoFileName:
targetOptions.IsSetNoFileName = true;
break;
case GrepOptionType.LineNumber:
targetOptions.IsSetLineNumber = true;
break;
case GrepOptionType.Directory:
targetOptions.IsSetDirectory = true;
break;
case GrepOptionType.ExcludeFiles:
targetOptions.IsSetExcludeFiles = true;
targetOptions.ExcludeFilesPattern = commandLineOptions.Arguments[arg];
break;
case GrepOptionType.ExcludeDirectories:
targetOptions.IsSetExcludeDirectories = true;
targetOptions.ExcludeDirectoriesPattern = commandLineOptions.Arguments[arg];
break;
case GrepOptionType.IncludeFiles:
targetOptions.IsSetIncludeFiles = true;
targetOptions.IncludeFilesPattern = commandLineOptions.Arguments[arg];
break;
case GrepOptionType.Recursive:
targetOptions.IsSetRecursive = true;
break;
case GrepOptionType.Help:
targetOptions.IsSetHelp = true;
break;
case GrepOptionType.Version:
targetOptions.IsSetVersion = true;
break;
}
}
}
if (commandLineOptions.Parameters.Count > 0)
{
if (!targetOptions.IsSetRegexPattern)
{
targetOptions.IsSetRegexPattern = true;
targetOptions.RegexPattern = commandLineOptions.Parameters.First();
for (int i = 1; i < commandLineOptions.Parameters.Count; i++)
{
targetOptions.IsSetPath = true;
targetOptions.FilePaths.Add(commandLineOptions.Parameters.ElementAt(i));
}
}
else
{
if (!targetOptions.IsSetPath)
{
targetOptions.IsSetPath = true;
foreach (var item in commandLineOptions.Parameters)
{
targetOptions.FilePaths.Add(item);
}
}
}
}
return(targetOptions);
}
private static GrepCommandLineOptions ParseOptions(CommandLineOptions commandLineOptions)
{
if (commandLineOptions == null)
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "must specify a option."));
GrepCommandLineOptions targetOptions = new GrepCommandLineOptions();
if (commandLineOptions.Arguments.Count >= 0)
{
foreach (var arg in commandLineOptions.Arguments.Keys)
{
GrepOptionType optionType = GrepOptions.GetOptionType(arg);
if (optionType == GrepOptionType.None)
throw new CommandLineException(
string.Format(CultureInfo.CurrentCulture, "Option used in invalid context -- {0}",
string.Format(CultureInfo.CurrentCulture, "cannot parse the command line argument : [{0}].", arg)));
switch (optionType)
{
case GrepOptionType.RegexPattern:
targetOptions.IsSetRegexPattern = true;
targetOptions.RegexPattern = commandLineOptions.Arguments[arg];
break;
case GrepOptionType.File:
targetOptions.IsSetPath = true;
targetOptions.FilePaths.Add(commandLineOptions.Arguments[arg]);
break;
case GrepOptionType.FixedStrings:
targetOptions.IsSetFixedStrings = true;
break;
case GrepOptionType.IgnoreCase:
targetOptions.IsSetIgnoreCase = true;
break;
case GrepOptionType.InvertMatch:
targetOptions.IsSetInvertMatch = true;
break;
case GrepOptionType.OutputFile:
targetOptions.IsSetOutputFile = true;
targetOptions.OutputFile = commandLineOptions.Arguments[arg];
break;
case GrepOptionType.Count:
targetOptions.IsSetCount = true;
break;
case GrepOptionType.FilesWithoutMatch:
targetOptions.IsSetFilesWithoutMatch = true;
break;
case GrepOptionType.FilesWithMatchs:
targetOptions.IsSetFilesWithMatchs = true;
break;
case GrepOptionType.NoMessages:
targetOptions.IsSetNoMessages = true;
break;
case GrepOptionType.WithFileName:
targetOptions.IsSetWithFileName = true;
break;
case GrepOptionType.NoFileName:
targetOptions.IsSetNoFileName = true;
break;
case GrepOptionType.LineNumber:
targetOptions.IsSetLineNumber = true;
break;
case GrepOptionType.Directory:
targetOptions.IsSetDirectory = true;
break;
case GrepOptionType.ExcludeFiles:
targetOptions.IsSetExcludeFiles = true;
targetOptions.ExcludeFilesPattern = commandLineOptions.Arguments[arg];
break;
case GrepOptionType.ExcludeDirectories:
targetOptions.IsSetExcludeDirectories = true;
targetOptions.ExcludeDirectoriesPattern = commandLineOptions.Arguments[arg];
break;
case GrepOptionType.IncludeFiles:
targetOptions.IsSetIncludeFiles = true;
targetOptions.IncludeFilesPattern = commandLineOptions.Arguments[arg];
break;
case GrepOptionType.Recursive:
targetOptions.IsSetRecursive = true;
break;
case GrepOptionType.Help:
targetOptions.IsSetHelp = true;
break;
case GrepOptionType.Version:
targetOptions.IsSetVersion = true;
break;
}
}
}
if (commandLineOptions.Parameters.Count > 0)
{
if (!targetOptions.IsSetRegexPattern)
{
targetOptions.IsSetRegexPattern = true;
targetOptions.RegexPattern = commandLineOptions.Parameters.First();
for (int i = 1; i < commandLineOptions.Parameters.Count; i++)
{
targetOptions.IsSetPath = true;
targetOptions.FilePaths.Add(commandLineOptions.Parameters.ElementAt(i));
}
}
else
{
if (!targetOptions.IsSetPath)
{
targetOptions.IsSetPath = true;
foreach (var item in commandLineOptions.Parameters)
{
targetOptions.FilePaths.Add(item);
}
}
}
}
return targetOptions;
}
private static void CheckOptions(GrepCommandLineOptions checkedOptions)
{
if (!checkedOptions.IsSetHelp && !checkedOptions.IsSetVersion)
{
if (!checkedOptions.IsSetRegexPattern || string.IsNullOrEmpty(checkedOptions.RegexPattern))
{
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "must specify regex pattern for matching."));
}
if (!checkedOptions.IsSetPath || checkedOptions.FilePaths.Count <= 0)
{
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "must specify a path for grep."));
}
if (checkedOptions.IsSetOutputFile && string.IsNullOrEmpty(checkedOptions.OutputFile))
{
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "bad output file path format."));
}
}
}