public List <string> DumpTextByPointer(uint initialPointer)
{
var pointers = ScanForPointers();
int startingIndex = -1;
for (int i = 0; i < pointers.Count; i++)
{
if (pointers[i].At == initialPointer)
{
startingIndex = i;
break;
}
}
if (startingIndex == -1)
{
throw new ArgumentException("No such pointer in file");
}
Console.WriteLine("Looking for adjacent text...");
int dumpStartIndex = startingIndex;
// Look back
while (true)
{
var pointerToPointer = pointers
.DefaultIfEmpty(null)
.FirstOrDefault(ptr => ptr.PointsAt == pointers[dumpStartIndex].At);
if (pointerToPointer != null)
{
break;
}
if (dumpStartIndex == 0)
{
break;
}
if (pointers[dumpStartIndex].At - pointers[dumpStartIndex - 1].At != 4)
{
break;
}
dumpStartIndex--;
}
// Look ahead
int dumpEndIndex = startingIndex;
while (true)
{
if (dumpEndIndex >= pointers.Count - 1)
{
break;
}
if (pointers[dumpEndIndex + 1].At - pointers[dumpEndIndex].At != 4)
{
break;
}
var pointerToPointer = pointers
.DefaultIfEmpty(null)
.FirstOrDefault(ptr => ptr.PointsAt == pointers[dumpEndIndex + 1].At);
if (pointerToPointer != null)
{
break;
}
dumpEndIndex++;
}
Console.WriteLine("Writing result...");
var results = new List <string>();
var fontMap = new FontMap(settings.PathToFontMap);
for (int i = dumpStartIndex; i <= dumpEndIndex; i++)
{
uint offset = pointers[i].PointsAt;
var blockLine = blocks
.Where(block => (block.offset <= offset) && (block.offset + block.length > offset))
.Select(block => block.lines)
.First()
.First(line => line.Offset == offset);
string textLine = fontMap.FromBinary(blockLine.Data);
results.Add($"{pointers[i].At}|{offset}|{textLine}");
}
return(results);
}