/// <summary>
/// Concatenates two ConsoleStrings together.
/// </summary>
/// <param name="other">The string to append.</param>
public void Append(ConsoleString other)
{
foreach (var c in other.ToArray()) // ToArray() prevents concurrent modification when a and b refer to the same object
{
this.Add(c);
}
}
private static ConsoleString FormatAsTable(List<ConsoleString> columns, List<List<ConsoleString>> rows, string rowPrefix = "")
{
if (rows.Count == 0) return new ConsoleString();
Dictionary<int, int> maximums = new Dictionary<int, int>();
#if __MonoCS__
int optionDescriptionWidth = 20;
int standardColumnWidth = 80;
List<int> columnWidths = new List<int>();
#endif
for (int i = 0; i < columns.Count; i++)
{
#if __MonoCS__
columnWidths.Add(i == 0 ? optionDescriptionWidth : standardColumnWidth - optionDescriptionWidth);
#endif
maximums.Add(i, columns[i].Length);
}
for (int i = 0; i < columns.Count; i++)
{
foreach (var row in rows)
{
#if __MonoCS__
maximums[i] = columnWidths[i];
#else
maximums[i] = Math.Max(maximums[i], row[i].Length);
#endif
}
}
ConsoleString ret = new ConsoleString();
int buffer = 3;
ret += rowPrefix;
for (int i = 0; i < columns.Count; i++)
{
var val = columns[i];
while (val.Length < maximums[i] + buffer) val += " ";
ret += val;
}
ret += "\n";
foreach (var row in rows)
{
ret += rowPrefix;
for (int i = 0; i < columns.Count; i++)
{
var val = row[i];
while (val.Length < maximums[i] + buffer) val += " ";
ret += val;
}
ret += "\n";
}
return ret;
}
/// <summary>
/// Compare this ConsoleString to another ConsoleString or a plain string.
/// </summary>
/// <param name="obj">The ConsoleString or plain string to compare to.</param>
/// <returns>True if equal, false otherwise.</returns>
public override bool Equals(object obj)
{
if (obj is string)
{
return(ToString().Equals(obj as string));
}
ConsoleString other = obj as ConsoleString;
if (object.ReferenceEquals(other, null))
{
return(false);
}
if (other.Length != this.Length)
{
return(false);
}
for (int i = 0; i < this.Length; i++)
{
if (this[i] != other[i])
{
return(false);
}
}
return(true);
}
/// <summary>
/// Replaces all occurrances of the given string with the replacement value using the specified formatting.
/// </summary>
/// <param name="toFind">The substring to find.</param>
/// <param name="toReplace">The replacement value.</param>
/// <param name="foregroundColor">The foreground color (defaults to the console's foreground color at initialization time).</param>
/// <param name="backgroundColor">The background color (defaults to the console's background color at initialization time).</param>
/// <returns>A new ConsoleString with the replacements.</returns>
public ConsoleString Replace(string toFind, string toReplace, ConsoleColor?foregroundColor = null,
ConsoleColor?backgroundColor = null)
{
ConsoleString ret = new ConsoleString();
ret.Append(this);
int startIndex = 0;
while (true)
{
string toString = ret.ToString();
int currentIndex = toString.IndexOf(toFind, startIndex);
if (currentIndex < 0)
{
break;
}
for (int i = 0; i < toFind.Length; i++)
{
ret.RemoveAt(currentIndex);
}
ret.InsertRange(currentIndex,
toReplace.Select(c => new ConsoleCharacter(c, foregroundColor, backgroundColor)));
startIndex = currentIndex + toReplace.Length;
}
return(ret);
}
public static ConsoleString GetStyledUsage <T>(string exeName = null)
{
if (exeName == null)
{
var assembly = Assembly.GetEntryAssembly();
if (assembly == null)
{
throw new InvalidOperationException(
"EventStore.Rags could not determine the name of your executable automatically. This may happen if you run GetUsage<T>() from within unit tests. Use GetUsageT>(string exeName) in unit tests to avoid this exception.");
}
exeName = Path.GetFileNameWithoutExtension(Assembly.GetEntryAssembly().Location);
}
ConsoleString ret = new ConsoleString();
ret += new ConsoleString("Usage: " + exeName + " [arguments]");
ret += Environment.NewLine;
ret += GetOptionsUsage(typeof(T).GetProperties(), false);
ret += Environment.NewLine;
return(ret);
}
private static ConsoleString FormatAsTableWindows(List <ConsoleString> columns, List <List <ConsoleString> > rows,
string rowPrefix = "")
{
if (rows.Count == 0)
{
return(new ConsoleString());
}
Dictionary <int, int> maximums = new Dictionary <int, int>();
for (int i = 0; i < columns.Count; i++)
{
maximums.Add(i, columns[i].Length);
}
for (int i = 0; i < columns.Count; i++)
{
foreach (var row in rows)
{
maximums[i] = Math.Max(maximums[i], row[i].Length);
}
}
ConsoleString ret = new ConsoleString();
int buffer = 3;
ret += rowPrefix;
for (int i = 0; i < columns.Count; i++)
{
var val = columns[i];
while (val.Length < maximums[i] + buffer)
{
val += " ";
}
ret += val;
}
ret += "\n";
foreach (var row in rows)
{
ret += rowPrefix;
for (int i = 0; i < columns.Count; i++)
{
var val = row[i];
while (val.Length < maximums[i] + buffer)
{
val += " ";
}
ret += val;
}
ret += "\n";
}
return(ret);
}
/// <summary>
/// Get a substring of this ConsoleString starting at the given index and with the given length.
/// </summary>
/// <param name="start">the start index.</param>
/// <param name="length">the number of characters to return</param>
/// <returns>A new ConsoleString representing the substring requested.</returns>
public ConsoleString Substring(int start, int length)
{
ConsoleString ret = new ConsoleString();
for (int i = start; i < start + length; i++)
{
ret.Add(this[i]);
}
return(ret);
}
/// <summary>
/// Replaces all matches of the given regular expression with the replacement value using the specified formatting.
/// </summary>
/// <param name="regex">The regular expression to find.</param>
/// <param name="toReplace">The replacement value.</param>
/// <param name="foregroundColor">The foreground color (defaults to the console's foreground color at initialization time).</param>
/// <param name="backgroundColor">The background color (defaults to the console's background color at initialization time).</param>
/// <returns></returns>
public ConsoleString ReplaceRegex(string regex, string toReplace, ConsoleColor?foregroundColor = null, ConsoleColor?backgroundColor = null)
{
ConsoleString ret = new ConsoleString();
ret.Append(this);
MatchCollection matches = Regex.Matches(this.ToString(), regex);
foreach (Match match in matches)
{
ret = ret.Replace(match.Value, toReplace ?? match.Value, foregroundColor, backgroundColor);
}
return(ret);
}
private static ConsoleString GetOptionsUsage(IEnumerable <PropertyInfo> opts, bool ignoreActionProperties)
{
if (!opts.Any())
{
return(new ConsoleString("There are no options"));
}
var usageInfos = opts.Select(o => new ArgumentUsageInfo(o));
var ret = new ConsoleString();
var currentGroup = string.Empty;
var longestArg = usageInfos.Select(u => u.Name)
.Aggregate("", (max, cur) => max.Length > cur.Length ? max : cur);
foreach (var usageInfo in usageInfos.OrderBy(x => x.Group))
{
if (currentGroup != usageInfo.Group && !string.IsNullOrEmpty(usageInfo.Group))
{
currentGroup = usageInfo.Group;
ret += $"{Environment.NewLine}{currentGroup}:{Environment.NewLine}";
}
ret += string.Format(" -{0,-" + (longestArg.Length + 2) + "}{1}", usageInfo.Name,
usageInfo.Description);
if (usageInfo.PossibleValues.Any())
{
ret += $" ({string.Join(", ", usageInfo.PossibleValues)})";
}
ret += Environment.NewLine;
}
return(ret);
}
private static ConsoleString GetOptionsUsage(IEnumerable<PropertyInfo> opts, bool ignoreActionProperties)
{
if (opts.Count() == 0)
{
return new ConsoleString("There are no options");
}
var usageInfos = opts.Select(o => new ArgumentUsageInfo(o));
List<ConsoleString> columnHeaders = new List<ConsoleString>()
{
new ConsoleString("OPTION", ConsoleColor.Yellow),
new ConsoleString("DESCRIPTION", ConsoleColor.Yellow),
};
List<List<ConsoleString>> rows = new List<List<ConsoleString>>();
string currentGroup = String.Empty;
foreach (ArgumentUsageInfo usageInfo in usageInfos.OrderBy(x => x.Group))
{
if (currentGroup != usageInfo.Group && !String.IsNullOrEmpty(usageInfo.Group))
{
currentGroup = usageInfo.Group;
rows.Add(new List<ConsoleString>() { ConsoleString.Empty, ConsoleString.Empty, ConsoleString.Empty });
rows.Add(new List<ConsoleString>()
{
new ConsoleString(currentGroup),
ConsoleString.Empty,
ConsoleString.Empty
});
}
var descriptionString = new ConsoleString(usageInfo.Description);
var aliases = usageInfo.Aliases.OrderBy(a => a.Length).ToList();
var maxInlineAliasLength = 8;
string inlineAliasInfo = "";
int aliasIndex;
for (aliasIndex = 0; aliasIndex < aliases.Count; aliasIndex++)
{
var proposedInlineAliases = inlineAliasInfo == string.Empty ? aliases[aliasIndex] : inlineAliasInfo + ", " + aliases[aliasIndex];
if (proposedInlineAliases.Length <= maxInlineAliasLength)
{
inlineAliasInfo = proposedInlineAliases;
}
else
{
break;
}
}
if (inlineAliasInfo != string.Empty) inlineAliasInfo = " (" + inlineAliasInfo + ")";
rows.Add(new List<ConsoleString>()
{
new ConsoleString("")+("-" + usageInfo.Name + inlineAliasInfo),
descriptionString,
});
for (int i = aliasIndex; i < aliases.Count; i++)
{
rows.Add(new List<ConsoleString>()
{
new ConsoleString(" "+aliases[i]),
ConsoleString.Empty,
});
}
foreach (var possibleValue in usageInfo.PossibleValues)
{
rows.Add(new List<ConsoleString>()
{
ConsoleString.Empty,
new ConsoleString(" "+possibleValue),
});
}
}
return FormatAsTable(columnHeaders, rows, " ");
}
/// <summary>
/// Write this formatted character to the console.
/// </summary>
public void Write()
{
ConsoleString.WriteHelper(this.ForegroundColor, this.BackgroundColor, Value);
}
private static ConsoleString FormatAsTableUnix(List <ConsoleString> columns, List <List <ConsoleString> > rows, string rowPrefix = "")
{
if (rows.Count == 0)
{
return(new ConsoleString());
}
Dictionary <int, int> maximums = new Dictionary <int, int>();
int optionDescriptionWidth = 20;
int standardColumnWidth = 80;
List <int> columnWidths = new List <int>();
for (int i = 0; i < columns.Count; i++)
{
columnWidths.Add(i == 0 ? optionDescriptionWidth : standardColumnWidth - optionDescriptionWidth);
maximums.Add(i, columns[i].Length);
}
for (int i = 0; i < columns.Count; i++)
{
foreach (var row in rows)
{
maximums[i] = columnWidths[i];
}
}
ConsoleString ret = new ConsoleString();
int buffer = 3;
ret += rowPrefix;
for (int i = 0; i < columns.Count; i++)
{
var val = columns[i];
while (val.Length < maximums[i] + buffer)
{
val += " ";
}
ret += val;
}
ret += "\n";
foreach (var row in rows)
{
ret += rowPrefix;
for (int i = 0; i < columns.Count; i++)
{
var val = row[i];
while (val.Length < maximums[i] + buffer)
{
val += " ";
}
ret += val;
}
ret += "\n";
}
return(ret);
}
