| public static GetLineAsString ( IDocument document, int lineNumber ) : string | ||
| document | IDocument | |
| lineNumber | int | |
| Результат | string | |
/// <summary>
/// Could be overwritten to define more complex indenting.
/// </summary>
protected virtual int AutoIndentLine(TextArea textArea, int lineNumber)
{
string indentation = lineNumber != 0 ? GetIndentation(textArea, lineNumber - 1) : "";
if (indentation.Length > 0)
{
string newLineText = indentation + TextUtilities.GetLineAsString(textArea.Document, lineNumber).Trim();
LineSegment oldLine = textArea.Document.GetLineSegment(lineNumber);
textArea.Document.Replace(oldLine.Offset, oldLine.Length, newLineText);
}
return(indentation.Length);
}
protected virtual int AutoIndentLine(TextArea textArea, int lineNumber)
{
string str = (lineNumber != 0 ? this.GetIndentation(textArea, lineNumber - 1) : "");
if (str.Length > 0)
{
string str1 = string.Concat(str, TextUtilities.GetLineAsString(textArea.Document, lineNumber).Trim());
LineSegment lineSegment = textArea.Document.GetLineSegment(lineNumber);
DefaultFormattingStrategy.SmartReplaceLine(textArea.Document, lineSegment, str1);
}
return(str.Length);
}
/// <summary>
/// Could be overwritten to define more complex indenting.
/// </summary>
protected virtual int AutoIndentLine(TextArea textArea, int lineNumber)
{
var indentation = lineNumber != 0 ? GetIndentation(textArea, lineNumber - 1) : "";
if (indentation.Length > 0)
{
var newLineText = indentation + TextUtilities.GetLineAsString(textArea.Document, lineNumber).Trim();
var oldLine = textArea.Document.GetLineSegment(lineNumber);
SmartReplaceLine(textArea.Document, oldLine, newLineText);
}
return(indentation.Length);
}
protected string GetIndentation(TextArea textArea, int lineNumber)
{
if (lineNumber < 0 || lineNumber > textArea.Document.TotalNumberOfLines)
{
throw new ArgumentOutOfRangeException("lineNumber");
}
string lineAsString = TextUtilities.GetLineAsString(textArea.Document, lineNumber);
StringBuilder stringBuilder = new StringBuilder();
string str = lineAsString;
for (int i = 0; i < str.Length; i++)
{
char chr = str[i];
if (!char.IsWhiteSpace(chr))
{
break;
}
stringBuilder.Append(chr);
}
return(stringBuilder.ToString());
}
/// <summary>
/// returns the whitespaces which are before a non white space character in the line line
/// as a string.
/// </summary>
protected string GetIndentation(TextArea textArea, int lineNumber)
{
if (lineNumber < 0 || lineNumber > textArea.Document.TotalNumberOfLines)
{
throw new ArgumentOutOfRangeException("lineNumber");
}
string lineText = TextUtilities.GetLineAsString(textArea.Document, lineNumber);
StringBuilder whitespaces = new StringBuilder();
foreach (char ch in lineText)
{
if (Char.IsWhiteSpace(ch))
{
whitespaces.Append(ch);
}
else
{
break;
}
}
return(whitespaces.ToString());
}
/// <summary>
/// returns the whitespaces which are before a non white space character in the line line
/// as a string.
/// </summary>
protected string GetIndentation(TextArea textArea, int lineNumber, bool smart)
{
if (lineNumber < 0 || lineNumber > textArea.Document.TotalNumberOfLines)
{
throw new ArgumentOutOfRangeException("lineNumber");
}
string lineText = TextUtilities.GetLineAsString(textArea.Document, lineNumber);
StringBuilder whitespaces = new StringBuilder();
foreach (char ch in lineText)
{
if (Char.IsWhiteSpace(ch))
{
whitespaces.Append(ch);
}
else
{
break;
}
}
if (smart)
{
bool append = false;
string word = lineText.TrimEnd(whitespaceChars).ToLowerInvariant();
if (word.EndsWith(" else") || word.EndsWith(" then"))
{
append = true;
}
else if (word.EndsWith(" begin"))
{
if (word.TrimStart().StartsWith("procedure ") && textArea.Document.FoldingManager.IsFoldStart(lineNumber))
{
goto exiting;
}
lineNumber += 2;
string newLine = CheckAndAddEndNewLine(lineNumber, textArea);
LineSegment line = textArea.Document.GetLineSegment(lineNumber);
if (textArea.Document.GetText(line).TrimStart(whitespaceChars).Length == 0)
{
if (lineText.TrimStart(whitespaceChars).ToLowerInvariant().StartsWith("if "))
{
newLine = CheckAndAddEndNewLine(++lineNumber, textArea);
lineText = TextUtilities.GetLineAsString(textArea.Document, lineNumber);
textArea.Document.Insert(line.Offset, whitespaces.ToString() + "end" + newLine);
word = lineText.TrimEnd(whitespaceChars).ToLowerInvariant();
if (word.EndsWith(" end"))
{
line = textArea.Document.GetLineSegment(lineNumber);
textArea.Document.Insert(line.Offset, whitespaces.ToString() + "else begin" + newLine);
}
}
else
{
textArea.Document.Insert(line.Offset, whitespaces.ToString() + "end" + newLine);
}
}
append = true;
}
if (append)
{
if (textArea.TextEditorProperties.ConvertTabsToSpaces)
{
whitespaces.Append(new string(whitespaceChars[0], textArea.Document.TextEditorProperties.IndentationSize));
}
else
{
whitespaces.Append(whitespaceChars[1]);
}
}
}
exiting:
return(whitespaces.ToString());
}
