/// <summary>
/// Handles the tab key by calling all registered tab completion handlers.
/// </summary>
/// <param name="context">Context that can be used to inspect the current command line to perform tab completion</param>
public void Handle(RichCommandLineContext context)
{
context.Intercept = true;
context.RefreshTokenInfo();
try
{
foreach (var handler in TabCompletionHandlers)
{
if (handler.TryTabComplete(context))
{
break;
}
}
}
catch (Exception ex)
{
if (ThrowOnTabCompletionHandlerException)
{
throw;
}
else
{
PowerLogger.LogLine("Tab completion handler threw exception: " + ex.ToString());
}
}
}
/// <summary>
/// Handles the tab key by calling all registered tab completion handlers.
/// </summary>
/// <param name="context">Context that can be used to inspect the current command line to perform tab completion</param>
public void Handle(RichCommandLineContext context)
{
context.Intercept = true;
context.RefreshTokenInfo();
try
{
foreach (var handler in TabCompletionHandlers)
{
if (handler.TryTabComplete(context))
{
break;
}
}
}
catch(Exception ex)
{
if (ThrowOnTabCompletionHandlerException)
{
throw;
}
else
{
PowerLogger.LogLine("Tab completion handler threw exception: " + ex.ToString());
}
}
}
/// <summary>
/// Creates a result that replaces the current token with the given selection.
/// </summary>
/// <param name="context">Context from the parent reader</param>
/// <param name="selection">The selection string to insert</param>
/// <returns>a result that replaces the current token with the given selection</returns>
public static ContextAssistResult CreateInsertResult(RichCommandLineContext context, ConsoleString selection)
{
context.RefreshTokenInfo();
var ret = new ContextAssistResult();
bool hasInserted = false;
var newBuffer = new List <ConsoleCharacter>();
foreach (var token in context.Tokens)
{
if (context.IsCursorOnToken(token))
{
if (string.IsNullOrWhiteSpace(token.Value))
{
newBuffer.AddRange(context.GetBufferSubstringFromToken(token));
ret.ConsoleRefreshLeftOffset = selection.Length;
}
else
{
var tokenOffset = context.BufferPosition - token.StartIndex;
ret.ConsoleRefreshLeftOffset = selection.Length - tokenOffset;
}
if (hasInserted == false)
{
hasInserted = true;
// cursor is on the current token
newBuffer.AddRange(selection);
}
}
else
{
// this token not be modified
newBuffer.AddRange(context.GetBufferSubstringFromToken(token));
}
}
if (hasInserted == false)
{
hasInserted = true;
// cursor is on the current token
newBuffer.AddRange(selection);
ret.ConsoleRefreshLeftOffset = selection.Length;
}
ret.StatusCode = ContextAssistResultStatusCode.Success;
ret.NewBuffer = newBuffer;
return(ret);
}
public void Handle(RichCommandLineContext context)
{
if (context.KeyPressed.Modifiers.HasFlag(ConsoleModifiers.Control) == false)
{
return;
}
context.Intercept = true;
context.RefreshTokenInfo();
if (ContextAssistProvider == null || ContextAssistProvider.CanAssist(context) == false)
{
return;
}
int left = context.Console.CursorLeft;
int top = context.Console.CursorTop;
ContextAssistResult result = ContextAssistResult.NoOp;
try
{
context.Console.WriteLine("\n");
result = ContextAssistProvider.DrawMenu(context);
while (result.IsTerminal == false)
{
var key = context.Console.ReadKey(true);
result = ContextAssistProvider.OnKeyboardInput(context, key);
}
}
finally
{
ContextAssistProvider.ClearMenu(context);
context.Console.CursorLeft = left;
context.Console.CursorTop = top;
}
if (result.StatusCode == ContextAssistResultStatusCode.Success)
{
context.ClearConsole();
context.Console.CursorLeft = left;
context.Console.CursorTop = top;
context.Buffer.Clear();
context.Buffer.AddRange(result.NewBuffer);
context.RefreshConsole(result.ConsoleRefreshLeftOffset, 0);
}
}
public void Handle(RichCommandLineContext context)
{
if (context.KeyPressed.Modifiers.HasFlag(ConsoleModifiers.Control) == false)
{
return;
}
context.Intercept = true;
context.RefreshTokenInfo();
if (ContextAssistProvider == null || ContextAssistProvider.CanAssist(context) == false)
{
return;
}
int left = context.Console.CursorLeft;
int top = context.Console.CursorTop;
ContextAssistResult result = ContextAssistResult.NoOp;
try
{
context.Console.WriteLine("\n");
result = ContextAssistProvider.DrawMenu(context);
while (result.IsTerminal == false)
{
var key = context.Console.ReadKey(true);
result = ContextAssistProvider.OnKeyboardInput(context, key);
}
}
finally
{
ContextAssistProvider.ClearMenu(context);
context.Console.CursorLeft = left;
context.Console.CursorTop = top;
}
if (result.StatusCode == ContextAssistResultStatusCode.Success)
{
context.ClearConsole();
context.Console.CursorLeft = left;
context.Console.CursorTop = top;
context.Buffer.Clear();
context.Buffer.AddRange(result.NewBuffer);
context.RefreshConsole(result.ConsoleRefreshLeftOffset, 0);
}
}
/// <summary>
/// The implementation of ISyntaxHighlighter that uses the configuration you've created to perform syntax highlighting.
/// </summary>
/// <param name="readerContext">Context that is used internally</param>
/// <returns>true if any highlighting changes were made, false otherwise</returns>
public bool TryHighlight(RichCommandLineContext readerContext)
{
readerContext.RefreshTokenInfo();
bool didWork = false;
for (int i = 0; i < readerContext.Tokens.Count; i++)
{
if (string.IsNullOrWhiteSpace(readerContext.Tokens[i].Value))
{
continue;
}
var highlighterContext = new HighlighterContext()
{
CurrentToken = readerContext.Tokens[i],
CurrentTokenIndex = i,
IsLastToken = i == readerContext.Tokens.Count - 1,
};
bool didWorkOnThisToken = false;
bool shouldBeHighlightedByAtLeastOneHighlighter = false;
foreach (var tokenHighlighter in TokenHighlighters)
{
bool shouldBeHighlightedByThisHighlighter = tokenHighlighter.ShouldBeHighlighted(readerContext, highlighterContext);
shouldBeHighlightedByAtLeastOneHighlighter = shouldBeHighlightedByAtLeastOneHighlighter || shouldBeHighlightedByThisHighlighter;
if (shouldBeHighlightedByThisHighlighter)
{
didWorkOnThisToken = EnsureHighlighted(highlighterContext.CurrentToken, readerContext, tokenHighlighter.HighlightForegroundColor, tokenHighlighter.HighlightBackgroundColor);
if (didWorkOnThisToken)
{
break;
}
}
}
if (shouldBeHighlightedByAtLeastOneHighlighter == false)
{
didWorkOnThisToken = EnsureHighlighted(highlighterContext.CurrentToken, readerContext, null, null);
}
didWork = didWork || didWorkOnThisToken;
}
return(didWork);
}
/// <summary>
/// Handles the tab key by calling all registered tab completion handlers.
/// </summary>
/// <param name="context">Context that can be used to inspect the current command line to perform tab completion</param>
public void Handle(RichCommandLineContext context)
{
context.Intercept = true;
context.RefreshTokenInfo();
try
{
foreach (var handler in TabCompletionHandlers)
{
if (handler.TryTabComplete(context))
{
break;
}
}
}
catch (Exception)
{
if (ThrowOnTabCompletionHandlerException)
{
throw;
}
}
}
/// <summary>
/// Creates a result that replaces the current token with the given selection.
/// </summary>
/// <param name="context">Context from the parent reader</param>
/// <param name="selection">The selection string to insert</param>
/// <returns>a result that replaces the current token with the given selection</returns>
public static ContextAssistResult CreateInsertResult(RichCommandLineContext context, ConsoleString selection)
{
context.RefreshTokenInfo();
var ret = new ContextAssistResult();
bool hasInserted = false;
var newBuffer = new List<ConsoleCharacter>();
foreach (var token in context.Tokens)
{
if (context.IsCursorOnToken(token))
{
if (string.IsNullOrWhiteSpace(token.Value))
{
newBuffer.AddRange(context.GetBufferSubstringFromToken(token));
ret.ConsoleRefreshLeftOffset = selection.Length;
}
else
{
var tokenOffset = context.BufferPosition - token.StartIndex;
ret.ConsoleRefreshLeftOffset = selection.Length - tokenOffset;
}
if (hasInserted == false)
{
hasInserted = true;
// cursor is on the current token
newBuffer.AddRange(selection);
}
}
else
{
// this token not be modified
newBuffer.AddRange(context.GetBufferSubstringFromToken(token));
}
}
if (hasInserted == false)
{
hasInserted = true;
// cursor is on the current token
newBuffer.AddRange(selection);
ret.ConsoleRefreshLeftOffset = selection.Length;
}
ret.StatusCode = ContextAssistResultStatusCode.Success;
ret.NewBuffer = newBuffer;
return ret;
}
/// <summary>
/// The implementation of ISyntaxHighlighter that uses the configuration you've created to perform syntax highlighting.
/// </summary>
/// <param name="readerContext">Context that is used internally</param>
/// <returns>true if any highlighting changes were made, false otherwise</returns>
public bool TryHighlight(RichCommandLineContext readerContext)
{
readerContext.RefreshTokenInfo();
bool didWork = false;
for (int i = 0; i < readerContext.Tokens.Count; i++)
{
if(string.IsNullOrWhiteSpace(readerContext.Tokens[i].Value))
{
continue;
}
var highlighterContext = new HighlighterContext()
{
CurrentToken = readerContext.Tokens[i],
CurrentTokenIndex = i,
IsLastToken = i == readerContext.Tokens.Count-1,
};
bool didWorkOnThisToken = false;
bool shouldBeHighlightedByAtLeastOneHighlighter = false;
foreach (var tokenHighlighter in TokenHighlighters)
{
bool shouldBeHighlightedByThisHighlighter = tokenHighlighter.ShouldBeHighlighted(readerContext, highlighterContext);
shouldBeHighlightedByAtLeastOneHighlighter = shouldBeHighlightedByAtLeastOneHighlighter || shouldBeHighlightedByThisHighlighter;
if (shouldBeHighlightedByThisHighlighter)
{
didWorkOnThisToken = EnsureHighlighted(highlighterContext.CurrentToken, readerContext, tokenHighlighter.HighlightForegroundColor, tokenHighlighter.HighlightBackgroundColor);
if (didWorkOnThisToken) break;
}
}
if(shouldBeHighlightedByAtLeastOneHighlighter == false)
{
didWorkOnThisToken = EnsureHighlighted(highlighterContext.CurrentToken, readerContext, null, null);
}
didWork = didWork || didWorkOnThisToken;
}
return didWork;
}