/// <summary>
/// Creates a new TextPasteIndentEngine instance.
/// </summary>
/// <param name="decoratedEngine">
/// An instance of <see cref="IStateMachineIndentEngine"/> to which the
/// logic for indentation will be delegated.
/// </param>
/// <param name="textEditorOptions">
/// Text editor options for indentation.
/// </param>
/// <param name="formattingOptions">
/// C# formatting options.
/// </param>
public TextPasteIndentEngine(IStateMachineIndentEngine decoratedEngine, TextEditorOptions textEditorOptions, CSharpFormattingOptions formattingOptions)
{
this.engine = decoratedEngine;
this.textEditorOptions = textEditorOptions;
this.formattingOptions = formattingOptions;
this.engine.EnableCustomIndentLevels = false;
}
/// <summary>
/// Creates a new TextPasteIndentEngine instance.
/// </summary>
/// <param name="decoratedEngine">
/// An instance of <see cref="IStateMachineIndentEngine"/> to which the
/// logic for indentation will be delegated.
/// </param>
/// <param name = "options"></param>
public TextPasteIndentEngine (IStateMachineIndentEngine decoratedEngine, OptionSet options)
{
this.engine = decoratedEngine;
this.options = options;
this.engine.EnableCustomIndentLevels = false;
}
public bool FixLineStart (TextEditorData textEditorData, IStateMachineIndentEngine stateTracker, int lineNumber)
{
if (lineNumber > DocumentLocation.MinLine) {
DocumentLine line = textEditorData.Document.GetLine (lineNumber);
if (line == null)
return false;
DocumentLine prevLine = textEditorData.Document.GetLine (lineNumber - 1);
if (prevLine == null)
return false;
string trimmedPreviousLine = textEditorData.Document.GetTextAt (prevLine).TrimStart ();
//xml doc comments
//check previous line was a doc comment
//check there's a following line?
if (trimmedPreviousLine.StartsWith ("///", StringComparison.Ordinal)) {
if (textEditorData.GetTextAt (line.Offset, line.Length).TrimStart ().StartsWith ("///", StringComparison.Ordinal))
return false;
//check that the newline command actually inserted a newline
textEditorData.EnsureCaretIsNotVirtual ();
var nextLineSegment = textEditorData.Document.GetLine (lineNumber + 1);
string nextLine = nextLineSegment != null ? textEditorData.Document.GetTextAt (nextLineSegment).TrimStart () : "";
if (trimmedPreviousLine.Length > "///".Length || nextLine.StartsWith ("///", StringComparison.Ordinal)) {
var insertionPoint = textEditorData.Caret.Offset;
int inserted = textEditorData.Insert (insertionPoint, "/// ");
textEditorData.Caret.Offset = insertionPoint + inserted;
return true;
}
//multi-line comments
} else if (stateTracker.IsInsideMultiLineComment) {
if (textEditorData.GetTextAt (line.Offset, line.Length).TrimStart ().StartsWith ("*", StringComparison.Ordinal))
return false;
textEditorData.EnsureCaretIsNotVirtual ();
string commentPrefix = string.Empty;
if (trimmedPreviousLine.StartsWith ("* ", StringComparison.Ordinal)) {
commentPrefix = "* ";
} else if (trimmedPreviousLine.StartsWith ("/**", StringComparison.Ordinal) || trimmedPreviousLine.StartsWith ("/*", StringComparison.Ordinal)) {
commentPrefix = " * ";
} else if (trimmedPreviousLine.StartsWith ("*", StringComparison.Ordinal)) {
commentPrefix = "*";
}
int indentSize = line.GetIndentation (textEditorData.Document).Length;
var insertedText = prevLine.GetIndentation (textEditorData.Document) + commentPrefix;
textEditorData.Replace (line.Offset, indentSize, insertedText);
textEditorData.Caret.Offset = line.Offset + insertedText.Length;
return true;
} else if (wasInStringLiteral) {
var lexer = new CSharpCompletionEngineBase.MiniLexer (textEditorData.Document.GetTextAt (0, prevLine.EndOffset));
lexer.Parse ();
if (!lexer.IsInString)
return false;
textEditorData.EnsureCaretIsNotVirtual ();
textEditorData.Insert (prevLine.Offset + prevLine.Length, "\" +");
int indentSize = line.GetIndentation (textEditorData.Document).Length;
var insertedText = prevLine.GetIndentation (textEditorData.Document) + (trimmedPreviousLine.StartsWith ("\"", StringComparison.Ordinal) ? "" : "\t") + "\"";
textEditorData.Replace (line.Offset, indentSize, insertedText);
return true;
}
}
return false;
}
/// <summary>
/// Creates a new CacheIndentEngine instance from the given prototype.
/// </summary>
/// <param name="prototype">
/// A CacheIndentEngine instance.
/// </param>
public CacheIndentEngine(CacheIndentEngine prototype)
{
this.currentEngine = prototype.currentEngine.Clone();
}
/// <summary>
/// Creates a new CacheIndentEngine instance.
/// </summary>
/// <param name="decoratedEngine">
/// An instance of <see cref="IStateMachineIndentEngine"/> to which the
/// logic for indentation will be delegated.
/// </param>
/// <param name="cacheRate">
/// The number of chars between caching.
/// </param>
public CacheIndentEngine(IStateMachineIndentEngine decoratedEngine, int cacheRate = 2000)
{
this.currentEngine = decoratedEngine;
}
/// <summary>
/// Resets the engine to offset. Clears all cached engines after the given offset.
/// </summary>
public void ResetEngineToPosition(int offset)
{
// We are already there
if (currentEngine.Offset <= offset)
return;
bool gotCachedEngine = false;
while (cachedEngines.Count > 0) {
var topEngine = cachedEngines.Peek();
if (topEngine.Offset <= offset) {
currentEngine = topEngine.Clone();
gotCachedEngine = true;
break;
} else {
cachedEngines.Pop();
}
}
if (!gotCachedEngine)
currentEngine.Reset();
}
/// <summary>
/// Creates a new TextPasteIndentEngine instance.
/// </summary>
/// <param name="decoratedEngine">
/// An instance of <see cref="IStateMachineIndentEngine"/> to which the
/// logic for indentation will be delegated.
/// </param>
/// <param name = "options"></param>
public TextPasteIndentEngine(IStateMachineIndentEngine decoratedEngine, OptionSet options)
{
this.engine = decoratedEngine;
this.options = options;
this.engine.EnableCustomIndentLevels = false;
}
public bool FixLineStart(TextEditorData textEditorData, IStateMachineIndentEngine stateTracker, int lineNumber)
{
if (lineNumber > DocumentLocation.MinLine)
{
DocumentLine line = textEditorData.Document.GetLine(lineNumber);
if (line == null)
{
return(false);
}
DocumentLine prevLine = textEditorData.Document.GetLine(lineNumber - 1);
if (prevLine == null)
{
return(false);
}
string trimmedPreviousLine = textEditorData.Document.GetTextAt(prevLine).TrimStart();
//xml doc comments
//check previous line was a doc comment
//check there's a following line?
if (trimmedPreviousLine.StartsWith("///", StringComparison.Ordinal))
{
if (textEditorData.GetTextAt(line.Offset, line.Length).TrimStart().StartsWith("///", StringComparison.Ordinal))
{
return(false);
}
//check that the newline command actually inserted a newline
textEditorData.EnsureCaretIsNotVirtual();
var nextLineSegment = textEditorData.Document.GetLine(lineNumber + 1);
string nextLine = nextLineSegment != null?textEditorData.Document.GetTextAt(nextLineSegment).TrimStart() : "";
if (trimmedPreviousLine.Length > "///".Length || nextLine.StartsWith("///", StringComparison.Ordinal))
{
var insertionPoint = textEditorData.Caret.Offset;
int inserted = textEditorData.Insert(insertionPoint, "/// ");
textEditorData.Caret.Offset = insertionPoint + inserted;
return(true);
}
//multi-line comments
}
else if (stateTracker.IsInsideMultiLineComment)
{
if (textEditorData.GetTextAt(line.Offset, line.Length).TrimStart().StartsWith("*", StringComparison.Ordinal))
{
return(false);
}
textEditorData.EnsureCaretIsNotVirtual();
string commentPrefix = string.Empty;
if (trimmedPreviousLine.StartsWith("* ", StringComparison.Ordinal))
{
commentPrefix = "* ";
}
else if (trimmedPreviousLine.StartsWith("/**", StringComparison.Ordinal) || trimmedPreviousLine.StartsWith("/*", StringComparison.Ordinal))
{
commentPrefix = " * ";
}
else if (trimmedPreviousLine.StartsWith("*", StringComparison.Ordinal))
{
commentPrefix = "*";
}
int indentSize = line.GetIndentation(textEditorData.Document).Length;
var insertedText = prevLine.GetIndentation(textEditorData.Document) + commentPrefix;
textEditorData.Replace(line.Offset, indentSize, insertedText);
textEditorData.Caret.Offset = line.Offset + insertedText.Length;
return(true);
}
else if (wasInStringLiteral)
{
var lexer = new CSharpCompletionEngineBase.MiniLexer(textEditorData.Document.GetTextAt(0, prevLine.EndOffset));
lexer.Parse();
if (!lexer.IsInString)
{
return(false);
}
textEditorData.EnsureCaretIsNotVirtual();
textEditorData.Insert(prevLine.Offset + prevLine.Length, "\" +");
int indentSize = line.GetIndentation(textEditorData.Document).Length;
var insertedText = prevLine.GetIndentation(textEditorData.Document) + (trimmedPreviousLine.StartsWith("\"", StringComparison.Ordinal) ? "" : "\t") + "\"";
textEditorData.Replace(line.Offset, indentSize, insertedText);
return(true);
}
}
return(false);
}
/// <summary>
/// Creates a new CacheIndentEngine instance from the given prototype.
/// </summary>
/// <param name="prototype">
/// A CacheIndentEngine instance.
/// </param>
public CacheIndentEngine(CacheIndentEngine prototype)
{
this.currentEngine = prototype.currentEngine.Clone();
}
/// <summary>
/// Creates a new CacheIndentEngine instance.
/// </summary>
/// <param name="decoratedEngine">
/// An instance of <see cref="IStateMachineIndentEngine"/> to which the
/// logic for indentation will be delegated.
/// </param>
/// <param name="cacheRate">
/// The number of chars between caching.
/// </param>
public CacheIndentEngine(IStateMachineIndentEngine decoratedEngine, int cacheRate = 2000)
{
this.currentEngine = decoratedEngine;
}