void Fail(string message = null, bool lineBreak = true)
{
var logMessage = ColorSettings.Error + "Fail" + (message == null ? "" : $" : {message}");
Out.Echo(logMessage, lineBreak);
Log(logMessage);
}
public void Warning(string s, bool lineBreak = false)
{
lock (Out.Lock)
{
Out.Echo($"{Colors.Warning}{s}{Colors.Default}", lineBreak);
}
}
void Info(string message, bool lineBreak = true)
{
var logMessage = ColorSettings.Log + message;
Out.Echo(logMessage, lineBreak);
Log(logMessage);
}
public void Print(bool printAttributes = false, bool shortPath = false, string prefix = "", string postfix = "", int paddingRight = -1, string linePrefix = "")
{
var bg = GetCmd(EchoDirectives.b + "", DefaultBackground.ToString().ToLower());
var fg = GetCmd(EchoDirectives.f + "", DefaultForeground.ToString().ToLower());
var color = (IsDirectory) ? NormalDirectoryColorization : FileColorization;
if (!IsSystem && IsDirectory && !IsReadOnly)
{
color += WritableDirectoryColorization;
}
if (IsSystem && !IsDirectory)
{
color += SystemColorization + bg;
}
if (IsSystem && IsDirectory && !IsReadOnly)
{
color += SystemWritableDirectoryColorization;
}
if (IsFile && IsReadOnly)
{
color += ReadOnlyFileColorization;
}
var endcolor = bg + fg;
var r = "";
var attr = "";
string hidden = "";
if (printAttributes)
{
var dir = IsDirectory ? "d" : "-";
var ro = IsReadOnly ? "r-" : "rw";
var sys = IsSystem ? "s" : "-";
var h = IsHidden ? "h" : "-";
//var c = IsCompressed ? "c" : "-";
var a = IsArchive ? "a" : "-";
var size = (IsDirectory) ? "" : HumanFormatOfSize(((FileInfo)FileSystemInfo).Length, 2);
var moddat = FileSystemInfo.LastWriteTime;
hidden = IsHidden ? "*" : "";
var dat = (moddat.Year != System.DateTime.Now.Year) ? moddat.Year + "" : "";
var smoddat = $"{dat,4} {moddat.ToString("MMM", CultureInfo.InvariantCulture),-3} {moddat.Day,-2} {moddat.Hour.ToString().PadLeft(2,'0')}:{moddat.Minute.ToString().PadLeft(2,'0')}";
attr = $" {dir}{ro}{sys}{h}{a} {size,10} {smoddat} ";
}
var name = shortPath ? FileSystemInfo.Name : FileSystemInfo.FullName;
var quote = name.Contains(' ') ? "\"" : "";
var pdr = paddingRight - name.Length;
if (!string.IsNullOrWhiteSpace(quote))
{
pdr -= 2;
}
var rightspace = (paddingRight > -1) ? endcolor + "".PadRight(pdr > 0?pdr:1, ' ') : "";
r += $"{linePrefix}{attr}{color}{prefix}{quote}{name}{quote}{hidden}{rightspace}{postfix}";
Out.Echo(r + ColorSettings.Default);
if (HasError)
{
Out.Echo($" {ErrorColorization}{GetError()}");
}
}
void Initialize(ExpressionEvaluationCommandDelegate evalCommandDelegate = null)
{
if (evalCommandDelegate == null && CommandLineProcessor != null)
{
_evalCommandDelegate = CommandLineProcessor.Eval;
}
ViewSizeChanged += (o, e) =>
{
if (_inputReaderThread != null)
{
lock (ConsoleLock)
{
Out.Echo(_prompt);
_beginOfLineCurPos = Out.CursorPos;
Out.ConsolePrint(_inputReaderStringBuilder.ToString());
}
}
};
WorkAreaScrolled += (o, e) =>
{
if (_inputReaderThread != null)
{
lock (ConsoleLock)
{
_beginOfLineCurPos.X += e.DeltaX;
_beginOfLineCurPos.Y += e.DeltaY;
var p = Out.CursorPos;
var(id, left, top, width, height) = ActualWorkArea();
var txt = _inputReaderStringBuilder.ToString();
if (!string.IsNullOrWhiteSpace(txt))
{
var index = Out.GetIndexInWorkAreaConstraintedString(txt, _beginOfLineCurPos, p);
var slines = Out.GetWorkAreaStringSplits(txt, _beginOfLineCurPos).Splits;
if (Out.CursorTop == slines.Min(o => o.Y))
{
Out.CursorLeft = left;
Out.Echo(_prompt);
}
var enableConstraintConsolePrintInsideWorkArea = EnableConstraintConsolePrintInsideWorkArea;
EnableConstraintConsolePrintInsideWorkArea = false;
foreach (var sline in slines)
{
if (sline.Y >= top && sline.Y <= height)
{
Out.SetCursorPos(sline.X, sline.Y);
Out.ConsolePrint("".PadLeft(width - sline.X, ' '));
Out.SetCursorPos(sline.X, sline.Y);
Out.ConsolePrint(sline.Text);
}
}
EnableConstraintConsolePrintInsideWorkArea = enableConstraintConsolePrintInsideWorkArea;
Out.SetCursorPos(p);
}
}
}
};
}
public void Error(string s, bool lineBreak = false)
{
lock (Out.Lock)
{
Out.RedirectToErr = true;
Out.Echo($"{Colors.Error}{s}{Colors.Default}", lineBreak);
Out.RedirectToErr = false;
}
}
public string Readln(string prompt = null)
{
lock (Out.Lock)
{
if (prompt != null)
{
Out.Echo(prompt);
}
}
return(sc.ReadLine());
}
static void Main(string[] args)
{
Out.Echo(ANSI.RIS);
Out.ClearScreen();
var commandLineProcessor = new CommandLineProcessor(
args,
new OrbitalShellCommandLineProcessorSettings());
var commandLineReader = new CommandLineReader(
commandLineProcessor);
commandLineProcessor.Initialize();
var returnCode = commandLineReader.ReadCommandLine();
Environment.Exit(returnCode);
}
/// <summary>
/// display a bar of text that wait a text input
/// </summary>
/// <param name="text"></param>
/// <param name="inputMap"></param>
/// <returns></returns>
public static object InputBar(string text, List <InputMap> inputMaps)
{
object r = null;
Out.Echo($"{Colors.InteractionBar}{text}{ANSI.RSTXTA}");
bool end = false;
string input = "";
while (!end)
{
var c = sc.ReadKey(true);
if (!Char.IsControl(c.KeyChar))
{
input += c.KeyChar;
}
bool partialMatch = false;
foreach (var inputMap in inputMaps)
{
var match = inputMap.Match(input, c);
if (match == InputMap.ExactMatch)
{
r = inputMap.Code;
end = true;
break;
}
partialMatch |= match == InputMap.PartialMatch;
}
if (!partialMatch)
{
input = "";
}
System.Diagnostics.Debug.WriteLine($"{input}");
}
return(r);
}
public int BeginReadln(
AsyncCallback asyncCallback,
string prompt = null,
bool waitForReaderExited = true,
bool loop = true
)
{
_waitForReaderExited = waitForReaderExited;
prompt ??= _defaultPrompt;
_prompt = prompt;
bool noWorkArea = !InWorkArea;
Point?lastInputPos = null;
var hm = CommandLineProcessor?.ModuleManager?.ModuleHookManager;
var context = CommandLineProcessor?.CommandEvaluationContext;
_inputReaderThread = new Thread(() =>
{
try
{
var isRunning = true;
while (isRunning)
{
if (!loop)
{
isRunning = false;
}
_inputReaderStringBuilder ??= new StringBuilder();
if (!_readingStarted)
{
lock (ConsoleLock)
{
hm?.InvokeHooks(context, Hooks.PromptOutputBegin);
var _beginPromptPos = Out.CursorPos;
Out.Echo(prompt);
hm?.InvokeHooks(context, Hooks.PromptOutputEnd);
_beginOfLineCurPos = Out.CursorPos;
lastInputPos = _beginOfLineCurPos;
Out.ConsoleCursorPosBackup();
#if FIX_LOW_ANSI // TODO only if compatibility mode is enabled OR never (check the best)
Thread.Sleep(25);
Out.ConsoleCursorPosRestore();
#endif
_readingStarted = true;
}
}
var eol = false;
try
{
while (!eol)
{
ConsoleKeyInfo c;
var printed = false;
string printedStr = "";
var(id, left, top, right, bottom) = ActualWorkArea();
if (sc.IsInputRedirected)
{
_sentInput = sc.In.ReadToEnd();
isRunning = false;
}
if (_sentInput == null)
{
c = sc.ReadKey(true);
#if dbg
System.Diagnostics.Debug.WriteLine($"{c.KeyChar}={c.Key}");
#endif
#region handle special keys - edition mode, movement
if (!_ignoreNextKey)
{
// normally the cursor has moved of 1 character right or left
var cPos = Out.CursorPos;
if (lastInputPos.HasValue &&
lastInputPos.Value != cPos)
{
int dx = Math.Abs(cPos.X - lastInputPos.Value.X);
int dy = Math.Abs(cPos.Y - lastInputPos.Value.Y);
if (dx > 1 || dy > 1)
{
// restore the good position
Out.CursorPos =
new Point(
lastInputPos.Value.X + 1,
lastInputPos.Value.Y);
}
}
lastInputPos = Out.CursorPos;
(id, left, top, right, bottom) = ActualWorkArea();
switch (c.Key)
{
/// <summary>
/// CR: default end of input
/// </summary>
case ConsoleKey.Enter:
eol = true;
break;
/// <summary>
/// ESC : clean-up input and set cursor at begin of line (after prompt)
/// </summary>
case ConsoleKey.Escape:
//Out.HideCur();
CleanUpReadln();
lastInputPos = _beginOfLineCurPos;
//Out.ShowCur();
break;
/// <summary>
/// HOME : set cursor position at begin of input (just after prompt)
/// </summary>
case ConsoleKey.Home:
lock (ConsoleLock)
{
Out.SetCursorPosConstraintedInWorkArea(_beginOfLineCurPos);
lastInputPos = _beginOfLineCurPos;
}
break;
/// <summary>
/// END : set cursor position at end of input
/// </summary>
case ConsoleKey.End:
lock (ConsoleLock)
{
var slines = Out.GetWorkAreaStringSplits(_inputReaderStringBuilder.ToString(), _beginOfLineCurPos);
var sline = slines.Splits.Last();
Out.SetCursorPosConstraintedInWorkArea(sline.X + sline.Length, sline.Y);
lastInputPos = Out.CursorPos;
}
break;
case ConsoleKey.Tab:
lock (ConsoleLock)
{
printedStr = "".PadLeft(TabLength, ' ');
printed = true;
}
break;
case ConsoleKey.LeftArrow:
lock (ConsoleLock)
{
var p = Out.CursorPos;
if (p.Y == _beginOfLineCurPos.Y)
{
if (p.X > _beginOfLineCurPos.X)
{
Out.CursorLeft = p.X - 1;
}
}
else
{
var x = p.X - 1;
if (x < left)
{
Out.SetCursorPosConstraintedInWorkArea(right - 1, p.Y - 1);
}
else
{
Out.CursorLeft = x;
}
}
}
break;
case ConsoleKey.RightArrow:
lock (ConsoleLock)
{
var txt = _inputReaderStringBuilder.ToString();
var index = Out.GetIndexInWorkAreaConstraintedString(txt, _beginOfLineCurPos, Out.CursorPos);
if (index < txt.Length)
{
Out.SetCursorPosConstraintedInWorkArea(Out.CursorLeft + 1, Out.CursorTop);
}
}
break;
case ConsoleKey.Backspace:
lock (ConsoleLock)
{
var txt = _inputReaderStringBuilder.ToString();
var index = Out.GetIndexInWorkAreaConstraintedString(txt, _beginOfLineCurPos, Out.CursorPos) - 1;
var x = Out.CursorLeft - 1;
var y = Out.CursorTop;
if (index >= 0)
{
_inputReaderStringBuilder.Remove(index, 1);
_inputReaderStringBuilder.Append(" ");
Out.HideCur();
Out.SetCursorPosConstraintedInWorkArea(ref x, ref y);
var slines = Out.GetWorkAreaStringSplits(_inputReaderStringBuilder.ToString(), _beginOfLineCurPos).Splits;
var enableConstraintConsolePrintInsideWorkArea = EnableConstraintConsolePrintInsideWorkArea;
EnableConstraintConsolePrintInsideWorkArea = false;
foreach (var sline in slines)
{
if (sline.Y >= top && sline.Y <= bottom)
{
Out.SetCursorPos(sline.X, sline.Y);
Out.ConsolePrint("".PadLeft(right - sline.X, ' '));
Out.SetCursorPos(sline.X, sline.Y);
Out.ConsolePrint(sline.Text);
}
}
_inputReaderStringBuilder.Remove(_inputReaderStringBuilder.Length - 1, 1);
EnableConstraintConsolePrintInsideWorkArea = enableConstraintConsolePrintInsideWorkArea;
Out.SetCursorPos(x, y);
Out.ShowCur();
}
}
break;
case ConsoleKey.Delete:
lock (ConsoleLock)
{
var txt = _inputReaderStringBuilder.ToString();
var index = Out.GetIndexInWorkAreaConstraintedString(txt, _beginOfLineCurPos, Out.CursorPos);
var x = Out.CursorLeft;
var y = Out.CursorTop;
if (index >= 0 && index < txt.Length)
{
_inputReaderStringBuilder.Remove(index, 1);
_inputReaderStringBuilder.Append(" ");
Out.HideCur();
Out.SetCursorPosConstraintedInWorkArea(ref x, ref y);
var slines = Out.GetWorkAreaStringSplits(_inputReaderStringBuilder.ToString(), _beginOfLineCurPos).Splits;
var enableConstraintConsolePrintInsideWorkArea = EnableConstraintConsolePrintInsideWorkArea;
EnableConstraintConsolePrintInsideWorkArea = false;
foreach (var sline in slines)
{
if (sline.Y >= top && sline.Y <= bottom)
{
Out.SetCursorPos(sline.X, sline.Y);
Out.ConsolePrint("".PadLeft(right - sline.X, ' '));
Out.SetCursorPos(sline.X, sline.Y);
Out.ConsolePrint(sline.Text);
}
}
_inputReaderStringBuilder.Remove(_inputReaderStringBuilder.Length - 1, 1);
EnableConstraintConsolePrintInsideWorkArea = enableConstraintConsolePrintInsideWorkArea;
Out.SetCursorPos(x, y);
Out.ShowCur();
}
}
break;
case ConsoleKey.UpArrow:
lock (ConsoleLock)
{
if (Out.CursorTop == _beginOfLineCurPos.Y)
{
var h = CommandLineProcessor.CmdsHistory.GetBackwardHistory();
if (h != null)
{
Out.HideCur();
CleanUpReadln();
_inputReaderStringBuilder.Append(h);
Out.ConsolePrint(h);
lastInputPos = Out.CursorPos;
Out.ShowCur();
}
}
else
{
Out.SetCursorPosConstraintedInWorkArea(
(Out.CursorTop - 1) == _beginOfLineCurPos.Y ?
Math.Max(_beginOfLineCurPos.X, Out.CursorLeft) : Out.CursorLeft,
Out.CursorTop - 1);
}
}
break;
case ConsoleKey.DownArrow:
lock (ConsoleLock)
{
var slines = Out.GetWorkAreaStringSplits(_inputReaderStringBuilder.ToString(), _beginOfLineCurPos).Splits;
if (Out.CursorTop == slines.Max(o => o.Y))
{
var fh = CommandLineProcessor.CmdsHistory.GetForwardHistory();
if (fh != null)
{
Out.HideCur();
CleanUpReadln();
_inputReaderStringBuilder.Append(fh);
Out.ConsolePrint(fh);
lastInputPos = Out.CursorPos;
Out.ShowCur();
}
}
else
{
var sline = slines.Where(o => o.Y == Out.CursorTop + 1).FirstOrDefault();
// BUG: ici sline est null
if (sline.Text != null)
{
Out.SetCursorPosConstraintedInWorkArea(Math.Min(Out.CursorLeft, sline.X + sline.Length), Out.CursorTop + 1);
}
}
}
break;
default:
printedStr = c.KeyChar + "";
printed = true;
break;
}
}
else
{
_ignoreNextKey = false;
}
#endregion
}
else
{
printedStr = _sentInput;
_sentInput = null;
printed = true;
eol = printedStr.EndsWith(Environment.NewLine);
if (eol)
{
printedStr = printedStr.Trim();
}
}
if (printed)
{
var index = 0;
var insert = false;
lock (ConsoleLock)
{
var x0 = Out.CursorLeft;
var y0 = Out.CursorTop;
var txt = _inputReaderStringBuilder.ToString();
index = Out.GetIndexInWorkAreaConstraintedString(txt, _beginOfLineCurPos, x0, y0);
insert = index - txt.Length < 0;
if (insert)
{
Out.HideCur();
var x = x0;
var y = y0;
Out.SetCursorPosConstraintedInWorkArea(ref x, ref y);
_inputReaderStringBuilder.Insert(index, printedStr);
var slines = Out.GetWorkAreaStringSplits(_inputReaderStringBuilder.ToString(), _beginOfLineCurPos).Splits;
var enableConstraintConsolePrintInsideWorkArea = EnableConstraintConsolePrintInsideWorkArea;
EnableConstraintConsolePrintInsideWorkArea = false;
foreach (var sline in slines)
{
if (sline.Y >= top && sline.Y <= bottom)
{
Out.SetCursorPos(sline.X, sline.Y);
Out.ConsolePrint(sline.Text);
}
}
EnableConstraintConsolePrintInsideWorkArea = enableConstraintConsolePrintInsideWorkArea;
x += printedStr.Length;
Out.SetCursorPosConstraintedInWorkArea(ref x, ref y);
Out.ShowCur();
}
if (!insert)
{
_inputReaderStringBuilder.Append(printedStr);
Out.ConsolePrint(printedStr, false);
}
}
}
if (eol)
{
break;
}
}
}
catch /*(Exception inputProcessingException)*/
{
// input processing crashed : re-engage prompt, mute error
}
// process input
var s = _inputReaderStringBuilder.ToString();
_inputReaderStringBuilder.Clear();
// put the cursor at the end of the input
try
{
var slines = Out.GetWorkAreaStringSplits(s, _beginOfLineCurPos).Splits;
if (slines.Count() > 0)
{
var sline = slines.Last();
Out.CursorPos = new Point(/*(sline.Text.Length==0)?0:*/ sline.Text.Length + sline.X, sline.Y);
}
}
catch (Exception) { }
var _enableConstraintConsolePrintInsideWorkArea = EnableConstraintConsolePrintInsideWorkArea;
if (noWorkArea)
{
EnableConstraintConsolePrintInsideWorkArea = false;
}
asyncCallback?.Invoke(
new BeginReadlnAsyncResult(s)
);
if (noWorkArea)
{
EnableConstraintConsolePrintInsideWorkArea = _enableConstraintConsolePrintInsideWorkArea;
}
_readingStarted = false;
if (_nextPrompt != null)
{
prompt = _prompt = _nextPrompt;
_nextPrompt = null;
}
}
}
catch (ThreadInterruptedException)
{
// normal end
}
catch (Exception inputStreamReaderThreadException)
{
LogException(inputStreamReaderThreadException, "input stream reader crashed");
}
})
{
Name = "input stream reader"
};
_inputReaderThread.Start();
if (waitForReaderExited)
{
_inputReaderThread.Join();
}
return((int)ReturnCode.OK);
}
public void ProcessCommandLine(
string commandLine,
ExpressionEvaluationCommandDelegate evalCommandDelegate,
bool outputStartNextLine = false,
bool enableHistory = false,
bool enablePrePostComOutput = true)
{
if (commandLine != null)
{
if (outputStartNextLine)
{
Out.LineBreak();
}
ExpressionEvaluationResult expressionEvaluationResult = null;
try
{
sc.CancelKeyPress += CancelKeyPress;
CommandLineProcessor.CancellationTokenSource = new CancellationTokenSource();
Out.IsModified = false;
Err.IsModified = false;
var task = Task.Run <ExpressionEvaluationResult>(
() => evalCommandDelegate(
CommandLineProcessor.CommandEvaluationContext,
commandLine,
_prompt == null ? 0 : Out.GetPrint(_prompt).Length, // TODO has no sens with multi line prompt !!!
(enablePrePostComOutput && CommandLineProcessor != null) ?
CommandLineProcessor.CommandEvaluationContext.ShellEnv.GetValue <string>(ShellEnvironmentVar.settings_clr_comPreAnalysisOutput) : ""),
CommandLineProcessor.CancellationTokenSource.Token
);
try
{
try
{
task.Wait(CommandLineProcessor.CancellationTokenSource.Token);
}
catch (ThreadInterruptedException)
{
// get interrupted after send input
}
expressionEvaluationResult = task.Result;
}
catch (OperationCanceledException)
{
//var res = task.Result;
expressionEvaluationResult = task.Result;
Out.Warningln($"command canceled: {commandLine}");
}
finally { }
}
catch (Exception ex)
{
LogError(ex);
}
finally
{
if (enablePrePostComOutput && CommandLineProcessor != null)
{
if (Out.IsModified || Err.IsModified)
{
if (!(Out.CursorLeft == 0 && Out.CursorTop == 0))
{
Out.Echo(CommandLineProcessor.CommandEvaluationContext.ShellEnv.GetValue <string>(ShellEnvironmentVar.settings_clr_comPostExecOutModifiedOutput));
}
}
Out.Echo(CommandLineProcessor.CommandEvaluationContext.ShellEnv.GetValue <string>(ShellEnvironmentVar.settings_clr_comPostExecOutput));
}
CommandLineProcessor.CancellationTokenSource.Dispose();
CommandLineProcessor.CancellationTokenSource = null;
sc.CancelKeyPress -= CancelKeyPress;
}
}
if (enableHistory && !string.IsNullOrWhiteSpace(commandLine))
{
CommandLineProcessor.CmdsHistory.HistoryAppend(commandLine);
}
}
public static void Print(
ConsoleTextWriterWrapper @out,
CancellationTokenSource cancellationTokenSource,
Table table,
bool noBorders = false,
bool padLastColumn = true)
{
@out.EnableFillLineFromCursor = false;
@out.HideCur();
var colLengths = new int[table.Columns.Count];
foreach (var rw in table.Rows)
{
var cols = ((DataRow)rw).ItemArray;
for (int i = 0; i < cols.Length; i++)
{
var s = @out.GetPrint(table.GetFormatedValue(table.Columns[i].ColumnName, cols[i]?.ToString())) ?? "";
colLengths[i] = Math.Max(s.Length, colLengths[i]);
var s2 = @out.GetPrint(table.GetFormatedHeader(table.Columns[i].ColumnName)) ?? "";
colLengths[i] = Math.Max(s2.Length, colLengths[i]);
}
}
var colsep = noBorders ? " " : (ColorSettings.TableBorder + " | " + ColorSettings.Default);
var colseplength = noBorders ? 0 : 3;
var tablewidth = noBorders ? 0 : 3;
for (int i = 0; i < table.Columns.Count; i++)
{
tablewidth += table.Columns[i].ColumnName.PadRight(colLengths[i], ' ').Length + colseplength;
}
var line = noBorders ? "" : (ColorSettings.TableBorder + "".PadRight(tablewidth, '-'));
if (!noBorders)
{
@out.Echoln(line);
}
for (int i = 0; i < table.Columns.Count; i++)
{
if (i == 0)
{
@out.Echo(colsep);
}
var col = table.Columns[i];
var colName = (i == table.Columns.Count - 1 && !padLastColumn) ?
table.GetFormatedHeader(col.ColumnName)
: table.GetFormatedHeader(col.ColumnName).PadRight(colLengths[i], ' ');
@out.Echo(ColorSettings.TableColumnName + colName + colsep);
}
@out.Echoln();
if (!noBorders)
{
@out.Echoln(line);
}
foreach (var rw in table.Rows)
{
if (cancellationTokenSource.IsCancellationRequested)
{
@out.EnableFillLineFromCursor = true;
@out.ShowCur();
@out.Echoln(ColorSettings.Default + "");
return;
}
var row = (DataRow)rw;
var arr = row.ItemArray;
for (int i = 0; i < arr.Length; i++)
{
if (i == 0)
{
Out.Echo(colsep);
}
var txt = (arr[i] == null) ? "" : arr[i].ToString();
var fvalue = table.GetFormatedValue(table.Columns[i].ColumnName, txt);
var l = Out.GetPrint(fvalue).Length;
var spc = (i == arr.Length - 1 && !padLastColumn) ? "" : ("".PadRight(Math.Max(0, colLengths[i] - l), ' '));
@out.Echo(ColorSettings.Default + fvalue + spc + colsep);
}
@out.Echoln();
}
@out.Echoln(line + ColorSettings.Default.ToString());
@out.ShowCur();
@out.EnableFillLineFromCursor = true;
}
public int BeginReadln(
AsyncCallback asyncCallback,
string prompt = null,
bool waitForReaderExited = true,
bool loop = true
)
{
_waitForReaderExited = waitForReaderExited;
prompt ??= _defaultPrompt;
_prompt = prompt;
bool noWorkArea = !InWorkArea;
_inputReaderThread = new Thread(() =>
{
try
{
var isRunning = true;
while (isRunning)
{
if (!loop)
{
isRunning = false;
}
_inputReaderStringBuilder ??= new StringBuilder();
if (!_readingStarted)
{
lock (ConsoleLock)
{
Out.Echo(prompt);
_beginOfLineCurPos = Out.CursorPos;
}
_readingStarted = true;
}
var eol = false;
while (!eol)
{
ConsoleKeyInfo c;
var printed = false;
string printedStr = "";
var(id, left, top, right, bottom) = ActualWorkArea();
if (sc.IsInputRedirected)
{
_sentInput = sc.In.ReadToEnd();
isRunning = false;
}
if (_sentInput == null)
{
c = sc.ReadKey(true);
#if dbg
System.Diagnostics.Debug.WriteLine($"{c.KeyChar}={c.Key}");
#endif
#region handle special keys - edition mode, movement
if (!_ignoreNextKey)
{
(id, left, top, right, bottom) = ActualWorkArea();
switch (c.Key)
{
case ConsoleKey.Enter:
eol = true;
break;
case ConsoleKey.Escape:
Out.HideCur();
CleanUpReadln();
Out.ShowCur();
break;
case ConsoleKey.Home:
lock (ConsoleLock)
{
Out.SetCursorPosConstraintedInWorkArea(_beginOfLineCurPos);
}
break;
case ConsoleKey.End:
lock (ConsoleLock)
{
var slines = Out.GetWorkAreaStringSplits(_inputReaderStringBuilder.ToString(), _beginOfLineCurPos);
var sline = slines.Splits.Last();
Out.SetCursorPosConstraintedInWorkArea(sline.X + sline.Length, sline.Y);
}
break;
case ConsoleKey.Tab:
lock (ConsoleLock)
{
printedStr = "".PadLeft(TabLength, ' ');
printed = true;
}
break;
case ConsoleKey.LeftArrow:
lock (ConsoleLock)
{
var p = Out.CursorPos;
if (p.Y == _beginOfLineCurPos.Y)
{
if (p.X > _beginOfLineCurPos.X)
{
Out.CursorLeft = p.X - 1;
}
}
else
{
var x = p.X - 1;
if (x < left)
{
Out.SetCursorPosConstraintedInWorkArea(right - 1, p.Y - 1);
}
else
{
Out.CursorLeft = x;
}
}
}
break;
case ConsoleKey.RightArrow:
lock (ConsoleLock)
{
var txt = _inputReaderStringBuilder.ToString();
var index = Out.GetIndexInWorkAreaConstraintedString(txt, _beginOfLineCurPos, Out.CursorPos);
if (index < txt.Length)
{
Out.SetCursorPosConstraintedInWorkArea(Out.CursorLeft + 1, Out.CursorTop);
}
}
break;
case ConsoleKey.Backspace:
lock (ConsoleLock)
{
var txt = _inputReaderStringBuilder.ToString();
var index = Out.GetIndexInWorkAreaConstraintedString(txt, _beginOfLineCurPos, Out.CursorPos) - 1;
var x = Out.CursorLeft - 1;
var y = Out.CursorTop;
if (index >= 0)
{
_inputReaderStringBuilder.Remove(index, 1);
_inputReaderStringBuilder.Append(" ");
Out.HideCur();
Out.SetCursorPosConstraintedInWorkArea(ref x, ref y);
var slines = Out.GetWorkAreaStringSplits(_inputReaderStringBuilder.ToString(), _beginOfLineCurPos).Splits;
var enableConstraintConsolePrintInsideWorkArea = EnableConstraintConsolePrintInsideWorkArea;
EnableConstraintConsolePrintInsideWorkArea = false;
foreach (var sline in slines)
{
if (sline.Y >= top && sline.Y <= bottom)
{
Out.SetCursorPos(sline.X, sline.Y);
Out.ConsolePrint("".PadLeft(right - sline.X, ' '));
Out.SetCursorPos(sline.X, sline.Y);
Out.ConsolePrint(sline.Text);
}
}
_inputReaderStringBuilder.Remove(_inputReaderStringBuilder.Length - 1, 1);
EnableConstraintConsolePrintInsideWorkArea = enableConstraintConsolePrintInsideWorkArea;
Out.SetCursorPos(x, y);
Out.ShowCur();
}
}
break;
case ConsoleKey.Delete:
lock (ConsoleLock)
{
var txt = _inputReaderStringBuilder.ToString();
var index = Out.GetIndexInWorkAreaConstraintedString(txt, _beginOfLineCurPos, Out.CursorPos);
var x = Out.CursorLeft;
var y = Out.CursorTop;
if (index >= 0 && index < txt.Length)
{
_inputReaderStringBuilder.Remove(index, 1);
_inputReaderStringBuilder.Append(" ");
Out.HideCur();
Out.SetCursorPosConstraintedInWorkArea(ref x, ref y);
var slines = Out.GetWorkAreaStringSplits(_inputReaderStringBuilder.ToString(), _beginOfLineCurPos).Splits;
var enableConstraintConsolePrintInsideWorkArea = EnableConstraintConsolePrintInsideWorkArea;
EnableConstraintConsolePrintInsideWorkArea = false;
foreach (var sline in slines)
{
if (sline.Y >= top && sline.Y <= bottom)
{
Out.SetCursorPos(sline.X, sline.Y);
Out.ConsolePrint("".PadLeft(right - sline.X, ' '));
Out.SetCursorPos(sline.X, sline.Y);
Out.ConsolePrint(sline.Text);
}
}
_inputReaderStringBuilder.Remove(_inputReaderStringBuilder.Length - 1, 1);
EnableConstraintConsolePrintInsideWorkArea = enableConstraintConsolePrintInsideWorkArea;
Out.SetCursorPos(x, y);
Out.ShowCur();
}
}
break;
case ConsoleKey.UpArrow:
lock (ConsoleLock)
{
if (Out.CursorTop == _beginOfLineCurPos.Y)
{
var h = CommandLineProcessor.CmdsHistory.GetBackwardHistory();
if (h != null)
{
Out.HideCur();
CleanUpReadln();
_inputReaderStringBuilder.Append(h);
Out.ConsolePrint(h);
Out.ShowCur();
}
}
else
{
Out.SetCursorPosConstraintedInWorkArea(
(Out.CursorTop - 1) == _beginOfLineCurPos.Y ?
Math.Max(_beginOfLineCurPos.X, Out.CursorLeft) : Out.CursorLeft,
Out.CursorTop - 1);
}
}
break;
case ConsoleKey.DownArrow:
lock (ConsoleLock)
{
var slines = Out.GetWorkAreaStringSplits(_inputReaderStringBuilder.ToString(), _beginOfLineCurPos).Splits;
if (Out.CursorTop == slines.Max(o => o.Y))
{
var fh = CommandLineProcessor.CmdsHistory.GetForwardHistory();
if (fh != null)
{
Out.HideCur();
CleanUpReadln();
_inputReaderStringBuilder.Append(fh);
Out.ConsolePrint(fh);
Out.ShowCur();
}
}
else
{
var sline = slines.Where(o => o.Y == Out.CursorTop + 1).FirstOrDefault();
// BUG: ici sline est null
if (sline.Text != null)
{
Out.SetCursorPosConstraintedInWorkArea(Math.Min(Out.CursorLeft, sline.X + sline.Length), Out.CursorTop + 1);
}
}
}
break;
default:
printedStr = c.KeyChar + "";
printed = true;
break;
}
}
else
{
_ignoreNextKey = false;
}
#endregion
}
else
{
printedStr = _sentInput;
_sentInput = null;
printed = true;
eol = printedStr.EndsWith(Environment.NewLine);
if (eol)
{
printedStr = printedStr.Trim();
}
}
if (printed)
{
var index = 0;
var insert = false;
lock (ConsoleLock)
{
var x0 = Out.CursorLeft;
var y0 = Out.CursorTop;
var txt = _inputReaderStringBuilder.ToString();
index = Out.GetIndexInWorkAreaConstraintedString(txt, _beginOfLineCurPos, x0, y0);
insert = index - txt.Length < 0;
if (insert)
{
Out.HideCur();
var x = x0;
var y = y0;
Out.SetCursorPosConstraintedInWorkArea(ref x, ref y);
_inputReaderStringBuilder.Insert(index, printedStr);
var slines = Out.GetWorkAreaStringSplits(_inputReaderStringBuilder.ToString(), _beginOfLineCurPos).Splits;
var enableConstraintConsolePrintInsideWorkArea = EnableConstraintConsolePrintInsideWorkArea;
EnableConstraintConsolePrintInsideWorkArea = false;
foreach (var sline in slines)
{
if (sline.Y >= top && sline.Y <= bottom)
{
Out.SetCursorPos(sline.X, sline.Y);
Out.ConsolePrint(sline.Text);
}
}
EnableConstraintConsolePrintInsideWorkArea = enableConstraintConsolePrintInsideWorkArea;
x += printedStr.Length;
Out.SetCursorPosConstraintedInWorkArea(ref x, ref y);
Out.ShowCur();
}
if (!insert)
{
_inputReaderStringBuilder.Append(printedStr);
Out.ConsolePrint(printedStr, false);
}
}
}
if (eol)
{
break;
}
}
// process input
var s = _inputReaderStringBuilder.ToString();
_inputReaderStringBuilder.Clear();
if (noWorkArea)
{
EnableConstraintConsolePrintInsideWorkArea = false;
}
asyncCallback?.Invoke(
new BeginReadlnAsyncResult(s)
);
if (noWorkArea)
{
EnableConstraintConsolePrintInsideWorkArea = true;
}
_readingStarted = false;
if (_nextPrompt != null)
{
prompt = _prompt = _nextPrompt;
_nextPrompt = null;
}
}
}
catch (ThreadInterruptedException) {
}
catch (Exception ex)
{
LogException(ex, "input stream reader crashed");
}
})
{
Name = "input stream reader"
};
_inputReaderThread.Start();
if (waitForReaderExited)
{
_inputReaderThread.Join();
}
return((int)ReturnCode.OK);
}
static void _Echo(
this DataTable table,
ConsoleTextWriterWrapper @out,
CommandEvaluationContext context,
TableFormattingOptions options = null)
{
options ??= context.ShellEnv.GetValue <TableFormattingOptions>(ShellEnvironmentVar.display_tableFormattingOptions);
@out.EnableFillLineFromCursor = false;
@out.HideCur();
var colLengths = new int[table.Columns.Count];
foreach (var rw in table.Rows)
{
var cols = ((DataRow)rw).ItemArray;
for (int i = 0; i < cols.Length; i++)
{
string s, s2;
if (table is Table t)
{
s = @out.GetPrint(t.GetFormatedValue(context, table.Columns[i].ColumnName, cols[i]?.ToString())) ?? "";
colLengths[i] = Math.Max(s.Length, colLengths[i]);
s2 = @out.GetPrint(t.GetFormatedHeader(table.Columns[i].ColumnName)) ?? "";
colLengths[i] = Math.Max(s2.Length, colLengths[i]);
if (i == cols.Length - 1)
{
colLengths[i] = s.Length + 2;
}
}
else
{
s = @out.GetPrint(cols[i]?.ToString()) ?? "";
colLengths[i] = Math.Max(s.Length, colLengths[i]);
colLengths[i] = Math.Max(table.Columns[i].ColumnName.Length, colLengths[i]);
if (i == cols.Length - 1)
{
colLengths[i] = 1;
}
if (i == cols.Length - 1)
{
colLengths[i] = s.Length + 2;
}
}
}
}
var colsep = options.NoBorders ?
" ".PadLeft(Math.Max(1, options.ColumnRightMargin))
: (context.ShellEnv.Colors.TableBorder + " | " + context.ShellEnv.Colors.Default);
var colseplength = options.NoBorders ? 0 : 3;
var tablewidth = options.NoBorders ? 0 : 3;
for (int i = 0; i < table.Columns.Count; i++)
{
tablewidth += table.Columns[i].ColumnName.PadRight(colLengths[i], ' ').Length + colseplength;
}
var line = options.NoBorders ? "" : (context.ShellEnv.Colors.TableBorder + "".PadRight(tablewidth, '-'));
if (!options.NoBorders)
{
@out.Echoln(line);
}
string fxh(string header) => (table is Table t) ? t.GetFormatedHeader(header) : header;
// headers
for (int i = 0; i < table.Columns.Count; i++)
{
if (!options.NoBorders && i == 0)
{
@out.Echo(colsep);
}
var col = table.Columns[i];
var colName = (i == table.Columns.Count - 1 && !options.PadLastColumn) ?
fxh(col.ColumnName)
: fxh(col.ColumnName).PadRight(colLengths[i], ' ');
var prfx = (options.NoBorders) ? Uon : "";
var pofx = (options.NoBorders) ? Tdoff : "";
@out.Echo(context.ShellEnv.Colors.TableColumnName + prfx + colName + colsep + pofx);
}
@out.Echoln();
if (!options.NoBorders)
{
@out.Echoln(line);
}
// rows
string fhv(string header, string value) => (table is Table t) ? t.GetFormatedValue(context, header, value) : value;
foreach (var rw in table.Rows)
{
if (context.CommandLineProcessor.CancellationTokenSource.IsCancellationRequested)
{
@out.EnableFillLineFromCursor = true;
@out.ShowCur();
@out.Echoln(context.ShellEnv.Colors.Default + "");
return;
}
var row = (DataRow)rw;
var arr = row.ItemArray;
for (int i = 0; i < arr.Length; i++)
{
if (!options.NoBorders && i == 0)
{
Out.Echo(colsep);
}
var txt = (arr[i] == null) ? "" : arr[i].ToString();
var fvalue = fhv(table.Columns[i].ColumnName, txt);
var o = arr[i];
MethodInfo mi = null;
if (((!(o is string)) || table.Columns[i].DataType == typeof(object)) &&
o != null && (mi = o.GetEchoMethod()) != null)
{
// value dump via Echo primitive
@out.Echo("" + context.ShellEnv.Colors.Default);
var p0 = @out.CursorPos;
mi.InvokeEcho(o, new EchoEvaluationContext(@out, context, new FormatingOptions(options)
{
LineBreak = false
}));
var p1 = @out.CursorPos;
if (p1.Y == p0.Y)
{
var l = p1.X - p0.X;
var spc = (i == arr.Length - 1 && !options.PadLastColumn) ? "" : ("".PadRight(Math.Max(0, colLengths[i] - l), ' '));
@out.Echo(spc);
}
@out.Echo(colsep);
}
else
{
// value dump by ToString
var l = @out.GetPrint(fvalue).Length;
var spc = (i == arr.Length - 1 && !options.PadLastColumn) ? "" : ("".PadRight(Math.Max(0, colLengths[i] - l), ' '));
@out.Echo("" + context.ShellEnv.Colors.Default);
@out.Echo(fvalue);
@out.Echo(spc + colsep);
}
}
@out.Echoln();
}
@out.Echo(line + context.ShellEnv.Colors.Default.ToString());
@out.ShowCur();
@out.EnableFillLineFromCursor = true;
}
