public string GetDescription(params OptionDescriptor[] descriptors)
{
var optionDescriptions = new List <string[]>();
int maxShortNameColumnWidth = 0;
int maxLongNameColumnWidth = 0;
foreach (var descr in descriptors)
{
var cols = GetDescriptionColumns(descr);
maxShortNameColumnWidth = Math.Max(maxShortNameColumnWidth, cols[0].Length);
maxLongNameColumnWidth = Math.Max(maxLongNameColumnWidth, cols[1].Length);
optionDescriptions.Add(cols);
}
var descriptionLayout = new TextLayout
{
LeftPrefixFirstLine = new string(' ', 2),
LeftPrefixParagraph = new string(' ', 2 + maxShortNameColumnWidth + 2 + maxLongNameColumnWidth + 2),
MaxColumns = MaxColumns,
};
var description = new StringBuilder();
foreach (var descr in optionDescriptions)
{
var optionDescription = string.Format("{0,-" + maxShortNameColumnWidth + "} {1,-" + maxLongNameColumnWidth + "} {2}", descr);
descriptionLayout.Layout(optionDescription, description);
}
return(description.ToString());
}
public string GetDescription(List <TemplateVariable> variables)
{
var varDescriptionLayout1 = new TextLayout
{
LeftPrefixFirstLine = new string(' ', 2),
LeftPrefixParagraph = new string(' ', 2),
MaxColumns = MaxColumns,
};
var varDescriptionLayout2 = new TextLayout
{
LeftPrefixFirstLine = new string(' ', 6),
LeftPrefixParagraph = new string(' ', 6),
MaxColumns = MaxColumns,
};
if (variables.Count == 0)
{
return(varDescriptionLayout1.Layout("<NO TEMPLATE VARIABLES AVAILABLE>").ToString());
}
var description = new StringBuilder();
for (var i = 0; i < variables.Count; i++)
{
var varDescription = string.Format("{0} --> {1}", variables[i].ToString(), variables[i].Description);
varDescriptionLayout1.Layout(varDescription, description);
if (null != variables[i].ArgumentDescription)
{
varDescriptionLayout2.Layout(variables[i].ArgumentDescription, description);
}
if (i < variables.Count - 1)
{
description.AppendLine();
}
}
return(description.ToString());
}
void PrintUsage()
{
var cmdFileName = GetCommandFileName();
var cmdFullName = cmdFileName[0];
var cmdName = cmdFileName[1];
var usage = new StringBuilder();
#region Print Header
{
var header = new StringBuilder();
header.Append(cmdName).Append(" ").Append(MainClass.Version).Append(" -- ").Append(MainClass.Copyright).AppendLine();
header.AppendLine();
header.Append("Project Site: ").Append(MainClass.ProjectUrl).AppendLine();
header.AppendLine();
header.Append("This program is licensed under the GNU General Public License, Version 3.").AppendLine();
var headerLayout = new TextLayout()
{
LinesBeforeParagraph = 1,
LeftPrefixFirstLine = new string(' ', 4),
LeftPrefixParagraph = new string(' ', 4),
MaxColumns = MaxColumns,
LinesAfterParagraph = 1,
};
headerLayout.Layout(header.ToString(), usage);
}
#endregion
#region Command line with options
{
var cmdLine = new StringBuilder();
cmdLine.Append("USAGE: ").Append(cmdFullName).Append(' ');
foreach (var descr in OptionDescriptorDefinitions.OptionDescriptors)
{
string usageForm = GetUsageForm(descr);
cmdLine.Append(usageForm).Append(' ');
}
cmdLine.Append("<directory>").AppendLine();
var cmdLineLayout = new TextLayout()
{
LeftPrefixParagraph = new string(' ', 8 + cmdFullName.Length + 1),
MaxColumns = MaxColumns,
LinesAfterParagraph = 1,
};
cmdLineLayout.Layout(cmdLine.ToString(), usage);
}
#endregion
#region Option descriptions
{
usage.Append("Option descriptions:\n");
usage.Append(GetDescription(OptionDescriptorDefinitions.OptionDescriptors));
usage.AppendLine();
}
#endregion
#region Settings environment variable
{
var envValue = MainClass.GetSettingsInEnvironmentVariable();
if (null != envValue)
{
if (string.Empty == envValue)
{
envValue = "<VARIABLE EMPTY>";
}
}
else
{
envValue = "<VARIABLE UNDEFINED>";
}
var settingsEnvVarLayout = new TextLayout()
{
MaxColumns = MaxColumns,
};
var caption = string.Format("Defaults set in environment variable '{0}':", MainClass.SettingsEnvironmentVariable);
settingsEnvVarLayout.Layout(caption, usage);
settingsEnvVarLayout.LeftPrefixFirstLine = settingsEnvVarLayout.LeftPrefixParagraph = new string(' ', 2);
settingsEnvVarLayout.LinesAfterParagraph = 1;
settingsEnvVarLayout.Layout(envValue, usage);
}
#endregion
#region Template variables
{
var templateVarLayout = new TextLayout()
{
MaxColumns = MaxColumns,
};
templateVarLayout.Layout("Available template variables for placeholder files and corresponding creation/deletion hooks:", usage);
usage.Append(GetDescription(MainClass.CreateTemplateEngine(string.Empty).ListTemplateVariables()));
}
#endregion
Writer.WriteLine(usage.ToString());
}
