private void FormatLineInternal(TextArea textArea, int lineNr, int cursorOffset, char ch)
{
DocumentLine curLine = textArea.Document.GetLineByNumber(lineNr);
DocumentLine lineAbove = lineNr > 1 ? textArea.Document.GetLineByNumber(lineNr - 1) : null;
string terminator = TextUtilities.GetLineTerminator(textArea.Document, lineNr);
string curLineText;
if (ch != '\n' && ch != '>')
{
if (IsInsideStringOrComment(textArea, curLine, cursorOffset))
{
return;
}
}
switch (ch)
{
case '>':
if (IsInsideDocumentationComment(textArea, curLine, cursorOffset))
{
curLineText = textArea.Document.GetText(curLine);
int column = cursorOffset - curLine.Offset;
int index = Math.Min(column - 1, curLineText.Length - 1);
while (index >= 0 && curLineText[index] != '<')
{
--index;
if (curLineText[index] == '/')
{
return; // the tag was an end tag or already
}
}
if (index > 0)
{
StringBuilder commentBuilder = new StringBuilder("");
for (int i = index; i < curLineText.Length && i < column && !Char.IsWhiteSpace(curLineText[i]); ++i)
{
commentBuilder.Append(curLineText[i]);
}
string tag = commentBuilder.ToString().Trim();
if (!tag.EndsWith(">"))
{
tag += ">";
}
if (!tag.StartsWith("/"))
{
textArea.Document.Insert(cursorOffset, "</" + tag.Substring(1));
}
}
}
break;
case ':':
case ')':
case ']':
case '}':
case '{':
if (textArea.IndentationStrategy != null)
{
textArea.IndentationStrategy.IndentLine(textArea, curLine);
}
break;
case '\n':
string lineAboveText = lineAbove == null ? "" : textArea.Document.GetText(lineAbove);
//// curLine might have some text which should be added to indentation
curLineText = textArea.Document.GetText(curLine);
IHighlighter highlighter = textArea.GetService(typeof(IHighlighter)) as IHighlighter;
bool isInMultilineComment = false;
bool isInMultilineString = false;
if (highlighter != null && lineAbove != null)
{
var spanStack = highlighter.GetSpanColorNamesFromLineStart(lineNr);
isInMultilineComment = spanStack.Contains(HighlightingKnownNames.Comment);
isInMultilineString = spanStack.Contains(HighlightingKnownNames.String);
}
bool isInNormalCode = !(isInMultilineComment || isInMultilineString);
if (lineAbove != null && isInMultilineComment)
{
string lineAboveTextTrimmed = lineAboveText.TrimStart();
if (lineAboveTextTrimmed.StartsWith("/*", StringComparison.Ordinal))
{
textArea.Document.Insert(cursorOffset, " * ");
return;
}
if (lineAboveTextTrimmed.StartsWith("*", StringComparison.Ordinal))
{
textArea.Document.Insert(cursorOffset, "* ");
return;
}
}
if (lineAbove != null && isInNormalCode)
{
DocumentLine nextLine = lineNr + 1 <= textArea.Document.LineCount ? textArea.Document.GetLineByNumber(lineNr + 1) : null;
string nextLineText = (nextLine != null) ? textArea.Document.GetText(nextLine) : "";
int indexAbove = lineAboveText.IndexOf("///");
int indexNext = nextLineText.IndexOf("///");
if (indexAbove > 0 && (indexNext != -1 || indexAbove + 4 < lineAbove.Length))
{
textArea.Document.Insert(cursorOffset, "/// ");
return;
}
if (IsInNonVerbatimString(lineAboveText, curLineText))
{
textArea.Document.Insert(cursorOffset, "\"");
textArea.Document.Insert(lineAbove.Offset + lineAbove.Length,
"\" +");
}
}
if (/*textArea.Options.AutoInsertBlockEnd &&*/ lineAbove != null && isInNormalCode)
{
string oldLineText = textArea.Document.GetText(lineAbove);
if (oldLineText.EndsWith("{"))
{
if (NeedCurlyBracket(textArea.Document.Text))
{
int insertionPoint = curLine.Offset + curLine.Length;
textArea.Document.Insert(insertionPoint, terminator + "}");
if (textArea.IndentationStrategy != null)
{
textArea.IndentationStrategy.IndentLine(textArea, textArea.Document.GetLineByNumber(lineNr + 1));
}
textArea.Caret.Offset = insertionPoint;
}
}
}
return;
}
}
/// <summary>
/// Determines whether current line is inside a string.
/// </summary>
/// <param name="highlighter">The syntax highlighter.</param>
/// <param name="lineNumber">The line number.</param>
/// <returns>
/// <see langword="true"/> if the specified line is inside a string; otherwise,
/// <see langword="false"/>.
/// </returns>
public static bool IsLineStartInsideString(this IHighlighter highlighter, int lineNumber)
{
return(highlighter.GetSpanColorNamesFromLineStart(lineNumber).Contains(String));
}
private void FormatLineInternal(TextArea textArea, int lineNr, int cursorOffset, char ch)
{
DocumentLine curLine = textArea.Document.GetLineByNumber(lineNr);
DocumentLine lineAbove = lineNr > 1 ? textArea.Document.GetLineByNumber(lineNr - 1) : null;
string terminator = TextUtilities.GetLineTerminator(textArea.Document, lineNr);
string curLineText;
// /// local string for curLine segment
//if (ch == '/')
//{
// curLineText = curLine.Text;
// string lineAboveText = lineAbove == null ? "" : lineAbove.Text;
// if (curLineText != null && curLineText.EndsWith("///") && (lineAboveText == null || !lineAboveText.Trim().StartsWith("///")))
// {
// string indentation = DocumentUtilitites.GetWhitespaceAfter(textArea.Document, curLine.Offset);
// object member = GetMemberAfter(textArea, lineNr);
// if (member != null)
// {
// StringBuilder sb = new StringBuilder();
// sb.Append(" <summary>");
// sb.Append(terminator);
// sb.Append(indentation);
// sb.Append("/// ");
// sb.Append(terminator);
// sb.Append(indentation);
// sb.Append("/// </summary>");
// if (member is IMethod)
// {
// IMethod method = (IMethod)member;
// if (method.Parameters != null && method.Parameters.Count > 0)
// {
// for (int i = 0; i < method.Parameters.Count; ++i)
// {
// sb.Append(terminator);
// sb.Append(indentation);
// sb.Append("/// <param name=\"");
// sb.Append(method.Parameters[i].Name);
// sb.Append("\"></param>");
// }
// }
// if (method.ReturnType != null && !method.IsConstructor && method.ReturnType.FullyQualifiedName != "System.Void")
// {
// sb.Append(terminator);
// sb.Append(indentation);
// sb.Append("/// <returns></returns>");
// }
// }
// textArea.Document.Insert(cursorOffset, sb.ToString());
// textArea.Caret.Offset = cursorOffset + indentation.Length + "/// ".Length + " <summary>".Length + terminator.Length;
// }
// }
// return;
//}
if (ch != '\n' && ch != '>')
{
if (IsInsideStringOrComment(textArea, curLine, cursorOffset))
{
return;
}
}
switch (ch)
{
case '>':
if (IsInsideDocumentationComment(textArea, curLine, cursorOffset))
{
curLineText = textArea.Document.GetText(curLine);
int column = cursorOffset - curLine.Offset;
int index = Math.Min(column - 1, curLineText.Length - 1);
while (index >= 0 && curLineText[index] != '<')
{
--index;
if (curLineText[index] == '/')
{
return; // the tag was an end tag or already
}
}
if (index > 0)
{
StringBuilder commentBuilder = new StringBuilder("");
for (int i = index; i < curLineText.Length && i < column && !Char.IsWhiteSpace(curLineText[i]); ++i)
{
commentBuilder.Append(curLineText[i]);
}
string tag = commentBuilder.ToString().Trim();
if (!tag.EndsWith(">"))
{
tag += ">";
}
if (!tag.StartsWith("/"))
{
textArea.Document.Insert(cursorOffset, "</" + tag.Substring(1));
}
}
}
break;
case ':':
case ')':
case ']':
case '}':
case '{':
if (textArea.IndentationStrategy != null)
{
textArea.IndentationStrategy.IndentLine(textArea, curLine);
}
break;
case '\n':
string lineAboveText = lineAbove == null ? "" : textArea.Document.GetText(lineAbove);
//// curLine might have some text which should be added to indentation
curLineText = textArea.Document.GetText(curLine);
if (lineAbove != null && textArea.Document.GetText(lineAbove).Trim().StartsWith("#region") &&
NeedEndregion(textArea.Document))
{
textArea.Document.Insert(cursorOffset, "#endregion");
return;
}
IHighlighter highlighter = textArea.GetService(typeof(IHighlighter)) as IHighlighter;
bool isInMultilineComment = false;
bool isInMultilineString = false;
if (highlighter != null && lineAbove != null)
{
var spanStack = highlighter.GetSpanColorNamesFromLineStart(lineNr);
isInMultilineComment = spanStack.Contains(HighlightingKnownNames.Comment);
isInMultilineString = spanStack.Contains(HighlightingKnownNames.String);
}
bool isInNormalCode = !(isInMultilineComment || isInMultilineString);
if (lineAbove != null && isInMultilineComment)
{
string lineAboveTextTrimmed = lineAboveText.TrimStart();
if (lineAboveTextTrimmed.StartsWith("/*", StringComparison.Ordinal))
{
textArea.Document.Insert(cursorOffset, " * ");
return;
}
if (lineAboveTextTrimmed.StartsWith("*", StringComparison.Ordinal))
{
textArea.Document.Insert(cursorOffset, "* ");
return;
}
}
if (lineAbove != null && isInNormalCode)
{
DocumentLine nextLine = lineNr + 1 <= textArea.Document.LineCount ? textArea.Document.GetLineByNumber(lineNr + 1) : null;
string nextLineText = (nextLine != null) ? textArea.Document.GetText(nextLine) : "";
int indexAbove = lineAboveText.IndexOf("///");
int indexNext = nextLineText.IndexOf("///");
if (indexAbove > 0 && (indexNext != -1 || indexAbove + 4 < lineAbove.Length))
{
textArea.Document.Insert(cursorOffset, "/// ");
return;
}
if (IsInNonVerbatimString(lineAboveText, curLineText))
{
textArea.Document.Insert(cursorOffset, "\"");
textArea.Document.Insert(lineAbove.Offset + lineAbove.Length,
"\" +");
}
}
if (/*textArea.Options.AutoInsertBlockEnd &&*/ lineAbove != null && isInNormalCode)
{
string oldLineText = textArea.Document.GetText(lineAbove);
if (oldLineText.EndsWith("{"))
{
if (NeedCurlyBracket(textArea.Document.Text))
{
int insertionPoint = curLine.Offset + curLine.Length;
textArea.Document.Insert(insertionPoint, terminator + "}");
if (textArea.IndentationStrategy != null)
{
textArea.IndentationStrategy.IndentLine(textArea, textArea.Document.GetLineByNumber(lineNr + 1));
}
textArea.Caret.Offset = insertionPoint;
}
}
}
return;
}
}