public static AreaCodeMap ParseAreaCodeMap(Stream stream)
{
var areaCodeMapTemp = new SortedDictionary <int, string>();
using (var lines = new StreamReader(stream, Encoding.UTF8))
{
string line;
while ((line = lines.ReadLine()) != null)
{
line = line.Trim();
if (line.Length <= 0 || line[0] == '#')
{
continue;
}
var indexOfPipe = line.IndexOf('|');
if (indexOfPipe == -1)
{
continue;
}
var areaCode = line.Substring(0, indexOfPipe);
var location = line.Substring(indexOfPipe + 1);
areaCodeMapTemp[int.Parse(areaCode)] = location;
}
// Build the corresponding area code map and serialize it to the binary format.
var areaCodeMap = new AreaCodeMap();
areaCodeMap.ReadAreaCodeMap(areaCodeMapTemp);
return(areaCodeMap);
}
}
