/// <summary>
/// Construct a new edit span object
/// </summary>
/// <param name="toReplace">The text span to remove from the buffer (can be empty)</param>
/// <param name="insertText">The text to insert in it's place (can be null)</param>
internal EditSpan(TextSpan toReplace, string insertText)
{
if (!TextSpanHelper.IsPositive(toReplace))
{
TextSpanHelper.MakePositive(ref toReplace);
}
this.span = toReplace;
this.text = insertText;
this.lineCount = -1;
}
// This method simulates what VS does in debug mode so that we can catch the
// errors in managed code before they go to the native debug assert.
internal static bool ValidSpan(ISource src, TextSpan span)
{
if (!ValidCoord(src, span.iStartLine, span.iStartIndex))
{
return(false);
}
if (!ValidCoord(src, span.iEndLine, span.iEndIndex))
{
return(false);
}
// end must be >= start
if (!TextSpanHelper.IsPositive(span))
{
return(false);
}
return(true);
}
