Search wraps but doesn't go backwards from last match (for larger files)

SearchManager.as : 41

var startCharIndex:int = TextUtil.lineCharIdx2charIdx(
                        str, 
                        startLine, 
                        startChar, 
                        editor.lineDelim);

For large files, and some others, this tend to return 0 instead of actual char 
index when you try to use it for high numbers.

If you open DataGrid.as and search for 'var' then search backwards it'll hit 
the LAST var (since that's always done if no match is found, code-wise, for 
stepping backwards). The reason it can't anything else is that startCharIndex 
is 0, for reasons unknown.

Could be that the file has different line endings, so the RegExp fails since it 
doesn't have that amount of lines (according to the regexp).

TextUtil.as:
// Return charIdx from lineIdx/charIdx
        public static function lineCharIdx2charIdx(str:String, lineIdx:int, charIdx:int, lineDelim:String):int
        {
            return str.length - str.replace(new RegExp("^(.*?"+lineDelim+"){"+lineIdx+"}.{"+charIdx+"}"),"").length;
        }

That would be the code that doesn't do what it should, but as earlier stated it 
might also be the line endings that don't line up (in which case we need to 
double check that we neuter the line endings).

Original issue reported on code.google.com by petterson.erik@gmail.com on 21 Sep 2010 at 8:59

ErikPettersson / moonshineproject

Search wraps but doesn't go backwards from last match (for larger files) #140