public void GetTokenLength(SyntaxToken token, out int length, out bool onMultipleLines)
{
// here, we can't just add token's length since there is token that span multiple lines.
var text = token.ToString();
// multiple lines
if (text.ContainsLineBreak())
{
// get indentation from last line of the text
onMultipleLines = true;
length = text.GetTextColumn(_optionSet.GetOption(FormattingOptions.TabSize, _treeData.Root.Language), initialColumn: 0);
return;
}
onMultipleLines = false;
// add spaces so far
if (text.ContainsTab())
{
// do expansive calculation
var initialColumn = _treeData.GetOriginalColumn(_optionSet.GetOption(FormattingOptions.TabSize, _treeData.Root.Language), token);
length = text.ConvertTabToSpace(_optionSet.GetOption(FormattingOptions.TabSize, _treeData.Root.Language), initialColumn, text.Length);
return;
}
length = text.Length;
}
public override int GetOriginalColumn(int tabSize, SyntaxToken token)
{
if (_treeData is NodeAndText)
{
return(_treeData.GetOriginalColumn(tabSize, token));
}
var text = _trivia.ToFullString().Substring(0, token.SpanStart - _trivia.FullSpan.Start);
return(text.GetTextColumn(tabSize, _initialColumn));
}
public static void ProcessTextBetweenTokens(
this string text,
TreeData treeInfo,
SyntaxToken baseToken,
int tabSize,
out int lineBreaks,
out int spaceOrIndentation)
{
// initialize out param
lineBreaks = text.GetNumberOfLineBreaks();
// multiple line case
if (lineBreaks > 0)
{
var indentationString = text.GetLastLineText();
spaceOrIndentation = indentationString.GetColumnFromLineOffset(indentationString.Length, tabSize);
return;
}
// with tab, more expensive way. get column of token1 and then calculate right space amount
var initialColumn = baseToken.RawKind == 0 ? 0 /* the very beginning of the file */ : treeInfo.GetOriginalColumn(tabSize, baseToken);
spaceOrIndentation = text.ConvertTabToSpace(tabSize, baseToken.ToString().GetTextColumn(tabSize, initialColumn), text.Length);
}
