/// <summary>
/// Indents each line by specified number of spaces.
/// </summary>
public static string IndentLinesBy(this string lines, int leadingSpaces, IndentOptions options)
{
if (lines == null)
{
throw new ArgumentNullException("lines");
}
return(lines.SplitLines().IndentBy(leadingSpaces, options).JoinLines());
}
/// <summary>
/// Indents each line by specified number of spaces.
/// </summary>
public static IEnumerable<string> IndentBy(this IEnumerable<string> lines, int leadingSpaces, IndentOptions options)
{
if (lines == null) throw new ArgumentNullException("lines");
bool firstLine = true;
foreach (var line in lines)
{
if (firstLine && options.HasAnyFlag(options))
{
yield return line;
}
yield return new string(' ', leadingSpaces) + line;
}
}
/// <summary>
/// Indents each line by specified number of spaces.
/// </summary>
public static string IndentLinesBy(this string lines, int leadingSpaces, IndentOptions options)
{
if (lines == null) throw new ArgumentNullException("lines");
return lines.SplitLines().IndentBy(leadingSpaces, options).JoinLines();
}
private void _OnTextDocumentBeforeKeyPress(string keypress, TextSelection selection, bool inStatementCompletion, ref bool cancelKeypress)
{
const char BACKSPACE_CHAR_ASCII = (char)8;
if (keypress != BACKSPACE_CHAR_ASCII.ToString(CultureInfo.InvariantCulture))
return;
var textDocument = (TextDocument)_applicationObject.ActiveDocument.Object("TextDocument");
if (textDocument == null)
return;
IndentOptions indentOptions;
if (_languageIndentOptions.ContainsKey(textDocument.Language) == false)
{
Properties properties = _applicationObject.get_Properties("TextEditor", textDocument.Language);
indentOptions = new IndentOptions
{
InsertTabs = bool.Parse(properties.Item("InsertTabs").Value.ToString()),
IndentSize = int.Parse(properties.Item("IndentSize").Value.ToString())
};
_languageIndentOptions.Add(textDocument.Language, indentOptions);
}
else
indentOptions = _languageIndentOptions[textDocument.Language];
// if tabs are used for indentation lets not do anything
if (indentOptions.InsertTabs)
return;
var lineStartPoint = selection.ActivePoint.CreateEditPoint();
lineStartPoint.StartOfLine();
var activeEditPoint = selection.ActivePoint.CreateEditPoint();
string currentLine = activeEditPoint.GetText(lineStartPoint);
if (currentLine.Length == 0)
return;
// if the current line full of white space chars and multiple of indent size then left indent by deleting
// indent amount of white space character
const char WHITESPACE_CHAR = ' ';
if (IsLineFullOf(currentLine, WHITESPACE_CHAR) && (currentLine.Length % indentOptions.IndentSize) == 0)
{
activeEditPoint.CharLeft(indentOptions.IndentSize);
activeEditPoint.Delete(indentOptions.IndentSize);
cancelKeypress = true;
}
}
/// <summary>
/// Indents each line by specified number of spaces.
/// </summary>
public static IEnumerable <string> IndentBy(this IEnumerable <string> lines, int leadingSpaces, IndentOptions options)
{
if (lines == null)
{
throw new ArgumentNullException("lines");
}
bool firstLine = true;
foreach (var line in lines)
{
if (firstLine && options.HasAnyFlag(options))
{
yield return(line);
}
yield return(new string(' ', leadingSpaces) + line);
}
}
