/// <summary>
/// Writes out a line using a specified Unicode character repeated a
/// specified number of times.
/// </summary>
/// <param name="console">The used <see cref="SmartConsole"/>.</param>
/// <param name="s">A series of Unicode characters to repeat.</param>
/// <param name="count">The number of times <paramref name="s"/> occurs.</param>
/// <returns>A reference to the current <see cref="SmartConsole" /> instance.</returns>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="count"/> is less than zero.</exception>
public static SmartConsole Repeat(this SmartConsole console, string s, int count)
{
if (count < 0)
{
throw new ArgumentOutOfRangeException(nameof(count),
$"{nameof(count)} must be greater than or equal to 0.");
}
var sb = new StringBuilder();
for (int i = 0; i < count; i++)
{
sb.Append(s);
}
console.Write(sb.ToString());
sb.Clear();
return(console);
}
/// <summary>
/// Writes the comobined string representation of all <see cref="Prompt"/>
/// elements contained in the <see cref="SmartConsole.Prompts"/> collection.
/// </summary>
/// <param name="console">The used <see cref="SmartConsole"/> instance.</param>
/// <param name="stream">A writable <see cref="Stream"/> to write to.</param>
/// <param name="encoding">The encoding to use. If null, <see cref="Encoding.UTF8"/> will be used.</param>
/// <returns></returns>
public static SmartConsole WriteTo(this SmartConsole console, Stream stream, Encoding encoding = null)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
if (!stream.CanWrite)
{
throw new InvalidOperationException("Cannot write to the provided stream.");
}
if (encoding == null)
{
encoding = Encoding.UTF8;
}
var bytes = encoding.GetBytes(console.Prompts.AsString());
stream.Write(bytes, 0, bytes.Length);
return(console);
}
/// <summary>
/// Attempts to collect user input as a strongly-typed value and passes it
/// to the specified <paramref name="action"/>, or reports an error of type
/// <typeparamref name="TException"/> if the method fails. Other exception
/// types are rethrown.
/// </summary>
/// <typeparam name="T">The conversion type.</typeparam>
/// <typeparam name="TException">The type of exception to handle.</typeparam>
/// <param name="console">The used <see cref="SmartConsole"/>.</param>
/// <param name="action">The action that the retrieved value is passed to.</param>
/// <param name="onError">A callback delegate to invoke when an exception is catched.</param>
/// <param name="validator">A function that further restricts or validates user input.</param>
/// <param name="validationMessage">A message to display if the user enters an invalid response.</param>
/// <returns>A reference to the current <see cref="SmartConsole" /> instance.</returns>
public static SmartConsole TrySetResponse <T, TException>(this SmartConsole console, Action <T> action,
Action <TException> onError = null,
Func <T, bool> validator = null,
string validationMessage = null) where TException : Exception
{
try
{
return(console.SetResponse(action, validator, validationMessage));
}
catch (Exception ex)
{
if (ex is TException error)
{
onError?.Invoke(error);
return(console);
}
else
{
throw;
}
}
}
/// <summary> /// Invokes the specified delegate function and returns its result. /// </summary> /// <typeparam name="T">The delegate's return type.</typeparam> /// <param name="_">The used <see cref="SmartConsole"/>. Is not used.</param> /// <param name="func">The delegate to invoke.</param> /// <returns><typeparamref name="T"/> which represents the result of the delegate <paramref name="func"/>.</returns> public static T Result <T>(this SmartConsole _, Func <T> func) => func.Invoke();
/// <summary>
/// Disposes off all timers previously created with either of the methods
/// <see cref="SetTimeout(SmartConsole, Action{TimerEventArgs}, double, string)"/>
/// and <see cref="SetInterval(SmartConsole, Action{TimerEventArgs}, double, string)"/>.
/// </summary>
/// <param name="console">The used <see cref="SmartConsole"/>.</param>
/// <returns>A reference to the current <see cref="SmartConsole" /> instance.</returns>
public static SmartConsole ClearTimers(this SmartConsole console)
{
TimerManager.Clear();
return(console);
}
/// <summary>
/// Disposes off a timer previously created with the method
/// <see cref="SetTimeout(SmartConsole, Action{TimerEventArgs}, double, string)"/>.
/// </summary>
/// <param name="console">The used <see cref="SmartConsole"/>.</param>
/// <param name="name">The name of the associated timer to dispose.</param>
/// <returns>A reference to the current <see cref="SmartConsole" /> instance.</returns>
public static SmartConsole ClearTimeout(this SmartConsole console, string name)
{
TimerManager.Remove(name);
return(console);
}
/// <summary>
/// Creates a timer that executes the specified <paramref name="callback"/>
/// once after the delay specified by <paramref name="millisecondsDelay"/>.
/// </summary>
/// <param name="console">The used <see cref="SmartConsole"/>.</param>
/// <param name="callback">The action to invoke on each timer tick.</param>
/// <param name="millisecondsDelay">The number of milliseconds to wait
/// before calling the callback.</param>
/// <param name="name">The name of the associated timer. Useful when
/// calling <see cref="ClearTimeout(SmartConsole, string)"/>.</param>
/// <returns>A reference to the current <see cref="SmartConsole" /> instance.</returns>
public static SmartConsole SetTimeout(this SmartConsole console, Action <TimerEventArgs> callback, double millisecondsDelay, string name = null)
{
TimerManager.Add(console, callback, millisecondsDelay, name, repeat: false);
return(console);
}
/// <summary>
/// Writes out all collected prompts with their respective responses to
/// a file. If the target file already exists, it is overwritten.
/// </summary>
/// <param name="console">The used <see cref="SmartConsole"/> instance.</param>
/// <param name="path">The file to write to.</param>
/// <param name="encoding">The encoding to apply to the string. Can be
/// null, which then resolves to <see cref="Encoding.UTF8"/>.</param>
/// <returns>A reference to the specified <see cref="SmartConsole" /> instance.</returns>
public static SmartConsole WriteFile(this SmartConsole console, string path, Encoding encoding = null)
{
File.WriteAllText(path, console.Prompts.AsString(), encoding ?? Encoding.UTF8);
return(console);
}
/// <summary> /// Writes out a lspecified Unicode character repeated a specified /// number of times, and appends a line terminator. /// </summary> /// <param name="console">The used <see cref="SmartConsole"/>.</param> /// <param name="c">A Unicode character.</param> /// <param name="count">The number of times <paramref name="c"/> occurs.</param> /// <returns>A reference to the current <see cref="SmartConsole" /> instance.</returns> /// <exception cref="ArgumentOutOfRangeException"><paramref name="count"/> is less than zero.</exception> public static SmartConsole RepeatLine(this SmartConsole console, char c, int count) => console.Repeat(c, count).WriteLine();
/// <summary> /// Writes out a formatted, colored object and a new line, using the /// same semantics as <see cref="string.Format(string, object[])"/>. /// </summary> /// <param name="console">The used <see cref="SmartConsole"/>.</param> /// <param name="message">The message to write.</param> /// <param name="color">The <see cref="ConsoleColor"/> to use.</param> /// <returns>A reference to the current <see cref="SmartConsole" /> instance.</returns> public static SmartConsole WriteLine(this SmartConsole console, object message, ConsoleColor color) => console.SetForegroundColor(color).WriteLine(message).RestoreForegroundColor();
/// <summary>
/// Attempts to remove an instance of <see cref="IFormatProvider"/>
/// of type <typeparamref name="T"/> from the dictionary.
/// </summary>
/// <typeparam name="T">The conversion type.</typeparam>
/// <returns>A reference to the current <see cref="SmartConsole" /> instance.</returns>
public static SmartConsole RemoveFormatProvider <T>(this SmartConsole console)
{
console.Formatters.TryRemove(typeof(T), out _);
return(console);
}
/// <summary>
/// Adds a format provider for the type <typeparamref name="T"/> used
/// when converting a user input.
/// </summary>
/// <typeparam name="T">The conversion type.</typeparam>
/// <param name="console">The used <see cref="SmartConsole"/>.</param>
/// <param name="provider">An object that supplies culture-specific formatting information.</param>
/// <returns>A reference to the current <see cref="SmartConsole" /> instance.</returns>
public static SmartConsole AddFormatProvider <T>(this SmartConsole console, IFormatProvider provider)
{
console.Formatters.TryAdd(typeof(T), provider);
return(console);
}
/// <summary>
/// Writes out a message, attempts to collect user input as a string
/// value, and passes it to the specified <paramref name="action"/>,
/// or reports an error if the method fails.
/// </summary>
/// <param name="console">The used <see cref="SmartConsole"/>.</param>
/// <param name="message">The message to write.</param>
/// <param name="action">The action that the retrieved value is passed to.</param>
/// <param name="validator">A function that further restricts or validates user input.</param>
/// <param name="validationMessage">A message to display if the user enters an invalid response.</param>
/// <param name="onError">A callback delegate to invoke when an exception is catched.</param>
/// <returns>A reference to the current <see cref="SmartConsole" /> instance.</returns>
public static SmartConsole TrySetResponse(this SmartConsole console, string message, Action <string> action,
Func <string, bool> validator = null, string validationMessage = null,
Action <Exception> onError = null)
=> console.Write(message).TrySetResponse(action, validator, validationMessage, onError);
/// <summary>
/// Writes out a message, collects user input as a strongly-typed
/// value and passes it to the specified <paramref name="action"/>.
/// </summary>
/// <typeparam name="T">The conversion type.</typeparam>
/// <param name="console">The used <see cref="SmartConsole"/>.</param>
/// <param name="message">The message to write.</param>
/// <param name="action">The action that the retrieved value is passed to.</param>
/// <param name="validator">A function that further restricts or validates user input.</param>
/// <param name="validationMessage">A message to display if the user enters an invalid response.</param>
/// <returns>A reference to the current <see cref="SmartConsole" /> instance.</returns>
public static SmartConsole SetResponse <T>(this SmartConsole console, string message, Action <T> action,
Func <T, bool> validator = null, string validationMessage = null)
=> console.Write(message).SetResponse(action, validator, validationMessage);
/// <summary>
/// Collects user input as a string and passes it to the specified
/// <paramref name="action"/>.
/// </summary>
/// <param name="console">The used <see cref="SmartConsole"/>.</param>
/// <param name="action">The action that the retrieved value is passed to.</param>
/// <param name="validator">A function that further restricts or validates user input.</param>
/// <param name="validationMessage">A message to display if the user enters an invalid response.</param>
/// <returns>A reference to the current <see cref="SmartConsole" /> instance.</returns>
public static SmartConsole SetResponse(this SmartConsole console, Action <string> action,
Func <string, bool> validator = null, string validationMessage = null)
=> console.SetResponse(action, validator, validationMessage);
/// <summary> /// Writes out an object's string representation in the system's /// <see cref="Console"/> using the specified <paramref name="color"/>. /// </summary> /// <param name="console">The used <see cref="SmartConsole"/>.</param> /// <param name="obj">The object to write.</param> /// <param name="color">The <see cref="ConsoleColor"/> to use.</param> /// <returns>A reference to the current <see cref="SmartConsole" /> instance.</returns> public static SmartConsole Write(this SmartConsole console, object obj, ConsoleColor color) => console.SetForegroundColor(color).Write(obj).RestoreForegroundColor();
/// <summary>
/// Writes out a specified Unicode character repeated a specified
/// number of times.
/// </summary>
/// <param name="console">The used <see cref="SmartConsole"/>.</param>
/// <param name="c">A Unicode character.</param>
/// <param name="count">The number of times <paramref name="c"/> occurs.</param>
/// <returns>A reference to the current <see cref="SmartConsole" /> instance.</returns>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="count"/> is less than zero.</exception>
public static SmartConsole Repeat(this SmartConsole console, char c, int count)
{
return(console.Write(new string(c, count)));
}
/// <summary>
/// Writes out a message, attempts to collect user input as a strongly-typed
/// value, and passes it to the specified <paramref name="action"/>,
/// or reports an error of type <typeparamref name="TException"/> if
/// the method fails. Other exception types are rethrown.
/// </summary>
/// <typeparam name="T">The conversion type.</typeparam>
/// <typeparam name="TException">The type of exception to handle.</typeparam>
/// <param name="console">The used <see cref="SmartConsole"/>.</param>
/// <param name="message">The message to write.</param>
/// <param name="action">The action that the retrieved value is passed to.</param>
/// <param name="onError">A callback delegate to invoke when an exception is catched.</param>
/// <param name="validator">A function that further restricts or validates user input.</param>
/// <param name="validationMessage">A message to display if the user enters an invalid response.</param>
/// <returns>A reference to the current <see cref="SmartConsole" /> instance.</returns>
public static SmartConsole TrySetResponse <T, TException>(this SmartConsole console, string message,
Action <T> action, Action <TException> onError = null,
Func <T, bool> validator = null,
string validationMessage = null) where TException : Exception
=> console.Write(message).TrySetResponse(action, onError, validator, validationMessage);
/// <summary> /// Writes out a formatted, colored string and a new line, using the /// same semantics as <see cref="string.Format(string, object[])"/>. /// </summary> /// <param name="console">The used <see cref="SmartConsole"/>.</param> /// <param name="color">The <see cref="ConsoleColor"/> to use.</param> /// <param name="format">A composite format string.</param> /// <param name="args"> /// An object array that contains zero or more objects to format and write. /// </param> /// <returns>A reference to the current <see cref="SmartConsole" /> instance.</returns> public static SmartConsole WriteLine(this SmartConsole console, ConsoleColor color, string format, params object[] args) => console.SetForegroundColor(color).WriteLine(format, args).RestoreForegroundColor();
/// <summary>
/// Invokes the specified <paramref name="action"/> and returns a reference
/// to the current <see cref="SmartConsole"/> instance.
/// </summary>
/// <param name="console">The used <see cref="SmartConsole"/>.</param>
/// <param name="action">The delegate to invoke.</param>
/// <returns>A reference to the current <see cref="SmartConsole" /> instance.</returns>
public static SmartConsole Then(this SmartConsole console, Action <SmartConsole> action)
{
action.Invoke(console);
return(console);
}
/// <summary>
/// Creates a timer that executes the specified <paramref name="callback"/>
/// at a regular interval specified by <paramref name="millisecondsInterval"/>.
/// </summary>
/// <param name="console">The used <see cref="SmartConsole"/>.</param>
/// <param name="callback">The action to invoke on each timer tick.</param>
/// <param name="millisecondsInterval">The number of milliseconds that
/// should elapse between two consecutive ticks.</param>
/// <param name="name">The name of the associated timer. Useful when
/// calling <see cref="ClearInterval(SmartConsole, string)"/>.</param>
/// <returns>A reference to the current <see cref="SmartConsole" /> instance.</returns>
public static SmartConsole SetInterval(this SmartConsole console, Action <TimerEventArgs> callback, double millisecondsInterval, string name = null)
{
TimerManager.Add(console, callback, millisecondsInterval, name, repeat: true);
return(console);
}
/// <summary>
/// Writes out a line using a specified formatted Unicode string
/// repeated a specified number of times.
/// </summary>
/// <param name="console">The used <see cref="SmartConsole"/>.</param>
/// <param name="count">The number of times the formatted string occurs.</param>
/// <param name="format">A composite format string.</param>
/// <param name="args">An object array that contains zero or more objects to format and write.</param>
/// <returns>A reference to the current <see cref="SmartConsole" /> instance.</returns>
public static SmartConsole Repeat(this SmartConsole console, int count, string format, params object[] args)
{
return(console.Repeat(string.Format(format, args), count));
}
