| public ToPosition ( int line, int column ) : int | ||
| line | int | |
| column | int | |
| return | int | |
public int ToPosition(int line, int column) {
int best = FindBestStartPointForLine(line);
int i = this.lastPositions[best];
int n = this.Length;
int l = this.lineCounters[best];
int c = this.columnCounters[best];
string text = this.GetText();
while (i > 0) {
switch (text[--i]) {
case '\n':
if (i > 0 && text[i-1] == '\r')
i--;
goto case '\r';
case '\r':
case (char)0x2028:
case (char)0x2029:
l--;
if (l < line) goto forwardSearch;
break;
}
}
forwardSearch:
while (i < n) {
switch (text[i++]) {
case '\r':
if (i < n && text[i] == '\n')
i++;
goto case '\n';
case '\n':
case (char)0x2028:
case (char)0x2029:
l++;
c = 1;
break;
default:
c++;
break;
}
if (l == line && c == column) break;
}
this.lineCounters[best] = l;
this.columnCounters[best] = c;
this.lastPositions[best] = i;
return i;
}