private static List <CompletionResult> InvokeLegacyTabExpansion(PowerShell powershell, string input, int cursorIndex, bool remoteToWin7, out int replacementIndex, out int replacementLength)
{
List <CompletionResult> list = null;
char ch;
Exception exception;
string sentence = (cursorIndex != input.Length) ? input.Substring(0, cursorIndex) : input;
string str2 = LastWordFinder.FindLastWord(sentence, out replacementIndex, out ch);
replacementLength = sentence.Length - replacementIndex;
CompletionExecutionHelper helper = new CompletionExecutionHelper(powershell);
powershell.AddCommand("TabExpansion").AddArgument(sentence).AddArgument(str2);
Collection <PSObject> collection = helper.ExecuteCurrentPowerShell(out exception, null);
if (collection != null)
{
list = new List <CompletionResult>();
foreach (PSObject obj2 in collection)
{
CompletionResult item = PSObject.Base(obj2) as CompletionResult;
if (item == null)
{
string completionText = obj2.ToString();
if (((ch != '\0') && (completionText.Length > 2)) && (completionText[0] != ch))
{
completionText = ch + completionText + ch;
}
item = new CompletionResult(completionText);
}
list.Add(item);
}
}
if (remoteToWin7 && ((list == null) || (list.Count == 0)))
{
string quote = (ch == '\0') ? string.Empty : ch.ToString();
list = PSv2CompletionCompleter.PSv2GenerateMatchSetOfFiles(helper, str2, replacementIndex == 0, quote);
List <CompletionResult> list2 = PSv2CompletionCompleter.PSv2GenerateMatchSetOfCmdlets(helper, str2, quote, replacementIndex == 0);
if ((list2 != null) && (list2.Count > 0))
{
list.AddRange(list2);
}
}
return(list);
}
public CompletionResult GetNextResult(bool forward)
{
CompletionResult result = null;
int count = this.CompletionMatches.Count;
if (count <= 0)
{
return(result);
}
this.CurrentMatchIndex += forward ? 1 : -1;
if (this.CurrentMatchIndex >= count)
{
this.CurrentMatchIndex = 0;
}
else if (this.CurrentMatchIndex < 0)
{
this.CurrentMatchIndex = count - 1;
}
return(this.CompletionMatches[this.CurrentMatchIndex]);
}
private void DoReplacementForCompletion(CompletionResult completionResult, CommandCompletion completions)
{
var replacementText = completionResult.CompletionText;
int cursorAdjustment = 0;
if (completionResult.ResultType == CompletionResultType.ProviderContainer)
{
replacementText = GetReplacementTextForDirectory(replacementText, ref cursorAdjustment);
}
Replace(completions.ReplacementIndex, completions.ReplacementLength, replacementText);
if (cursorAdjustment != 0)
{
_current += cursorAdjustment;
PlaceCursor();
}
completions.ReplacementLength = replacementText.Length;
}
internal static CompletionDetails Create(CompletionResult completionResult)
{
Validate.IsNotNull("completionResult", completionResult);
// Some tooltips may have newlines or whitespace for unknown reasons
string toolTipText = completionResult.ToolTip;
if (toolTipText != null)
{
toolTipText = toolTipText.Trim();
}
return new CompletionDetails
{
CompletionText = completionResult.CompletionText,
ToolTipText = toolTipText,
SymbolTypeName = ExtractSymbolTypeNameFromToolTip(completionResult.ToolTip),
CompletionType =
ConvertCompletionResultType(
completionResult.ResultType)
};
}
private void PossibleCompletionsImpl(ConsoleKeyInfo? key, object arg, bool menuSelect)
{
var completions = GetCompletions();
if (completions == null || completions.CompletionMatches.Count == 0)
{
Ding();
return;
}
if (completions.CompletionMatches.Count >= _options.CompletionQueryItems)
{
if (!PromptYesOrNo(string.Format(PSReadLineResources.DisplayAllPossibilities, completions.CompletionMatches.Count)))
{
return;
}
}
// Don't overwrite any of the line - so move to first line after the end of our buffer.
var coords = ConvertOffsetToCoordinates(_buffer.Length);
PlaceCursor(0, coords.Y + 1);
var matches = completions.CompletionMatches;
var minColWidth = matches.Max(c => c.ListItemText.Length);
minColWidth += 2;
var menuColumnWidth = minColWidth;
CompletionResult[,] matchesMatrix;
int displayColumns;
int displayRows;
var bufferWidth = Console.BufferWidth;
var sb = new StringBuilder(bufferWidth);
if (Options.ShowToolTips)
{
const string seperator = "- ";
var maxTooltipWidth = bufferWidth - minColWidth - seperator.Length;
matchesMatrix = new CompletionResult[1, matches.Count];
displayRows = matches.Count;
displayColumns = 1;
for (int index = 0; index < matches.Count; index++)
{
var match = matches[index];
matchesMatrix[0, index] = match;
var listItemText = HandleNewlinesForPossibleCompletions(match.ListItemText);
sb.Append(listItemText);
var spacesNeeded = minColWidth - listItemText.Length;
if (spacesNeeded > 0)
sb.Append(' ', spacesNeeded);
sb.Append(seperator);
var toolTip = HandleNewlinesForPossibleCompletions(match.ToolTip);
toolTip = toolTip.Length <= maxTooltipWidth
? toolTip
: toolTip.Substring(0, maxTooltipWidth);
sb.Append(toolTip);
// Make sure we always write out exactly 1 buffer width
spacesNeeded = bufferWidth - sb.Length;
if (spacesNeeded > 0)
{
sb.Append(' ', spacesNeeded);
}
Console.Write(sb.ToString());
sb.Clear();
}
menuColumnWidth = bufferWidth;
}
else
{
var screenColumns = bufferWidth;
displayColumns = Math.Max(1, screenColumns / minColWidth);
displayRows = (completions.CompletionMatches.Count + displayColumns - 1) / displayColumns;
matchesMatrix = new CompletionResult[displayColumns, displayRows];
for (var row = 0; row < displayRows; row++)
{
for (var col = 0; col < displayColumns; col++)
{
var index = row + (displayRows * col);
if (index >= matches.Count)
break;
var match = matches[index];
matchesMatrix[col, row] = match;
var item = HandleNewlinesForPossibleCompletions(match.ListItemText);
sb.Append(item);
sb.Append(' ', minColWidth - item.Length);
}
// Make sure we always write out exactly 1 buffer width
var spacesNeeded = bufferWidth - sb.Length;
if (spacesNeeded > 0)
{
sb.Append(' ', spacesNeeded);
}
Console.Write(sb.ToString());
sb.Clear();
}
}
if (menuSelect)
{
// Move cursor back to the line.
PlaceCursor();
StartEditGroup();
int top = coords.Y + 1;
int selectedItem = 0;
bool undo = false;
InvertSelectedCompletion(top, 0, menuColumnWidth);
DoReplacementForCompletion(matchesMatrix[0, 0], completions);
int previousItem = selectedItem;
bool processingKeys = true;
while (processingKeys)
{
var nextKey = ReadKey();
if (nextKey == Keys.RightArrow)
{
selectedItem = Math.Min(selectedItem + displayRows, matches.Count - 1);
}
else if (nextKey == Keys.LeftArrow)
{
selectedItem = Math.Max(selectedItem - displayRows, 0);
}
else if (nextKey == Keys.DownArrow)
{
selectedItem = Math.Min(selectedItem + 1, matches.Count - 1);
}
else if (nextKey == Keys.UpArrow)
{
selectedItem = Math.Max(selectedItem - 1, 0);
}
else if (nextKey == Keys.Tab)
{
selectedItem = (selectedItem + 1) % matches.Count;
}
else if (nextKey == Keys.ShiftTab)
{
selectedItem = (selectedItem - 1) % matches.Count;
if (selectedItem < 0)
{
selectedItem += matches.Count;
}
}
else if (nextKey == Keys.CtrlG || nextKey == Keys.Escape)
{
undo = true;
processingKeys = false;
}
else
{
PrependQueuedKeys(nextKey);
processingKeys = false;
}
if (selectedItem != previousItem)
{
var selectedX = selectedItem / displayRows;
var selectedY = selectedItem - (selectedX * displayRows);
var completionResult = matchesMatrix[selectedX, selectedY];
if (completionResult != null)
{
var previousX = previousItem / displayRows;
var previousY = previousItem - (previousX * displayRows);
InvertSelectedCompletion(previousY + top, previousX, menuColumnWidth);
InvertSelectedCompletion(selectedY + top, selectedX, menuColumnWidth);
DoReplacementForCompletion(completionResult, completions);
previousItem = selectedItem;
}
else
{
selectedItem = previousItem;
}
}
}
var blanks = new CHAR_INFO[displayRows * bufferWidth];
for (int i = 0; i < displayRows; i++)
{
blanks[i].BackgroundColor = Console.BackgroundColor;
blanks[i].ForegroundColor = Console.ForegroundColor;
blanks[i].UnicodeChar = ' ';
}
WriteBufferLines(blanks, ref top);
EndEditGroup();
if (undo)
{
// Pretend it never happened.
Undo();
}
}
else
{
_initialY = Console.CursorTop;
Render();
}
}
