internal string GetHelp(IEnumerable<ParserRunner> parsers)
{
var help = new HelpInfo {Parsers = parsers.Select(GetParserHelp).ToList()};
var helpString = GetHelpString(help);
return helpString;
}
internal static string GetHelp(IEnumerable<ParserRunner> parsers)
{
var help = new HelpInfo();
help.Parsers = parsers.Select(p => GetParserHelp(p)).ToList();
var helpString = GetHelpString(help);
return helpString;
}
protected override string GetHelpString(HelpInfo helpInfo)
{
const string verbsLead = " ";
const string parametersLead = " ";
const string validationsLead = " ";
var sb = new StringBuilder();
var count = helpInfo.Parsers.Count;
var multi = count > 1;
for (int i = 0; i < count; i++)
{
var parser = helpInfo.Parsers[i];
foreach (var verb in parser.Verbs.OrderByDescending(v => v.IsDefault))
{
sb.AppendLine();
sb.Append(verbsLead);
if (multi)
{
sb.AppendFormat("{0}.", parser.Type.Name.ToLowerInvariant());
}
sb.Append(verb.Names.StringJoin("|").ToLowerInvariant());
if (verb.IsDefault)
{
sb.Append(" (Default)");
}
if (!string.IsNullOrEmpty(verb.Description))
{
sb.AppendFormat(": {0}", verb.Description);
}
sb.AppendLine();
if (verb.Parameters.Any())
{
var longestParameter = verb.Parameters.Max(p => p.Names.StringJoin(" /").Length);
var longestType = verb.Parameters.Max(p => p.Type.GetGenericTypeName().Length);
foreach (var p in verb.Parameters.OrderBy(p => p.Names.First()))
{
sb.Append(parametersLead);
sb.AppendFormat("/{0} : ",
p.Names.StringJoin(" /").ToLowerInvariant().PadRight(longestParameter, ' '));
if (!string.IsNullOrEmpty(p.Description))
{
sb.AppendFormat("{0} ", p.Description);
}
var typeName = GetTypeName(p.Type);
if (!string.IsNullOrEmpty(typeName))
{
sb.AppendFormat("({0}) ", typeName);
}
if (p.Required)
{
sb.Append("(Required) ");
}
if (p.Separator != null && p.Separator != SeparatorAttribute.DefaultSeparator)
{
sb.AppendFormat("(Separator = {0}) ", p.Separator);
}
if (p.Default != null)
{
sb.AppendFormat("(Default = {0}) ", p.Default);
}
if (p.Validations.Any())
{
sb.AppendFormat("({0}) ", p.Validations.StringJoin(", "));
}
sb.AppendLine();
} // foreach (var p in verb.Parameters
}
if (verb.Validations.Any())
{
sb.AppendLine();
sb.Append(parametersLead);
sb.AppendLine("Validation:");
foreach (var v in verb.Validations)
{
sb.Append(validationsLead);
sb.AppendLine(v);
}
}
} // foreach (var verb in parser.Verbs
if (parser.Globals.Any())
{
sb.AppendLine();
sb.Append(verbsLead);
sb.AppendLine("Global Parameters:");
var longestGlobal = parser.Globals.Max(p => p.Names.StringJoin("|").Length);
foreach (var g in parser.Globals.OrderBy(g => g.Names.First()))
{
sb.Append(parametersLead);
sb.AppendFormat("/{0} : ",
g.Names.StringJoin("|").ToLowerInvariant().PadRight(longestGlobal, ' '));
if (!string.IsNullOrEmpty(g.Description))
{
sb.AppendFormat("{0} ", g.Description);
}
var typeName = GetTypeName(g.Type);
if (!string.IsNullOrEmpty(typeName))
{
sb.AppendFormat("({0}) ", typeName);
}
if (g.Separator != null && g.Separator != SeparatorAttribute.DefaultSeparator)
{
sb.AppendFormat("(Separator = {0}) ", g.Separator);
}
if (g.Validations != null && g.Validations.Any())
{
sb.AppendFormat("({0}) ", g.Validations.StringJoin(", "));
}
sb.AppendLine();
} // foreach (var g in parser.Globals
}
if (multi && i < count - 1)
{
sb.AppendLine();
sb.Append(verbsLead);
sb.AppendLine(string.Empty.PadRight(80, '-'));
}
}
return(sb.ToString());
}
protected abstract string GetHelpString(HelpInfo helpInfo);
private static string GetHelpString(HelpInfo helpInfo)
{
const string verbsLead = " ";
const string parametersLead = " ";
const string validationsLead = " ";
var sb = new StringBuilder();
var count = helpInfo.Parsers.Count;
var multi = count > 1;
for (int i = 0; i < count; i++)
{
var parser = helpInfo.Parsers[i];
foreach (var verb in parser.Verbs.OrderByDescending(v => v.IsDefault))
{
sb.AppendLine();
sb.Append(verbsLead);
if (multi)
{
sb.AppendFormat("{0}.", parser.Type.Name.ToLowerInvariant());
}
sb.Append(verb.Names.StringJoin("|").ToLowerInvariant());
if (verb.IsDefault)
{
sb.Append(" (Default)");
}
if (!string.IsNullOrEmpty(verb.Description))
{
sb.AppendFormat(": {0}", verb.Description);
}
sb.AppendLine();
if (verb.Parameters.Any())
{
var longestParameter = verb.Parameters.Max(p => p.Names.StringJoin(" /").Length);
var longestType = verb.Parameters.Max(p => p.Type.GetGenericTypeName().Length);
foreach (var p in verb.Parameters.OrderBy(p => p.Names.First()))
{
sb.Append(parametersLead);
sb.AppendFormat("/{0} : ",
p.Names.StringJoin(" /").ToLowerInvariant().PadRight(longestParameter, ' '));
if (!string.IsNullOrEmpty(p.Description))
{
sb.AppendFormat("{0} ", p.Description);
}
var typeName = GetTypeName(p.Type);
if (!string.IsNullOrEmpty(typeName))
{
sb.AppendFormat("({0}) ", typeName);
}
if (p.Required)
{
sb.Append("(Required) ");
}
if (p.Separator != null && p.Separator != SeparatorAttribute.DefaultSeparator)
{
sb.AppendFormat("(Separator = {0}) ", p.Separator);
}
if (p.Default != null)
{
sb.AppendFormat("(Default = {0}) ", p.Default);
}
if (p.Validations.Any())
{
sb.AppendFormat("({0}) ", p.Validations.StringJoin(", "));
}
sb.AppendLine();
} // foreach (var p in verb.Parameters
}
if (verb.Validations.Any())
{
sb.AppendLine();
sb.Append(parametersLead);
sb.AppendLine("Validation:");
foreach (var v in verb.Validations)
{
sb.Append(validationsLead);
sb.AppendLine(v);
}
}
} // foreach (var verb in parser.Verbs
if (parser.Globals.Any())
{
sb.AppendLine();
sb.Append(verbsLead);
sb.AppendLine("Global Parameters:");
var longestGlobal = parser.Globals.Max(p => p.Names.StringJoin("|").Length);
foreach (var g in parser.Globals.OrderBy(g => g.Names.First()))
{
sb.Append(parametersLead);
sb.AppendFormat("/{0} : ",
g.Names.StringJoin("|").ToLowerInvariant().PadRight(longestGlobal, ' '));
if (!string.IsNullOrEmpty(g.Description))
{
sb.AppendFormat("{0} ", g.Description);
}
var typeName = GetTypeName(g.Type);
if (!string.IsNullOrEmpty(typeName))
{
sb.AppendFormat("({0}) ", typeName);
}
if (g.Separator != null && g.Separator != SeparatorAttribute.DefaultSeparator)
{
sb.AppendFormat("(Separator = {0}) ", g.Separator);
}
if (g.Validations != null && g.Validations.Any())
{
sb.AppendFormat("({0}) ", g.Validations.StringJoin(", "));
}
sb.AppendLine();
} // foreach (var g in parser.Globals
}
if (multi && i < count - 1)
{
sb.AppendLine();
sb.Append(verbsLead);
sb.AppendLine(string.Empty.PadRight(80, '-'));
}
}
return sb.ToString();
}
protected abstract string GetHelpString(HelpInfo helpInfo);
