private static void LoadListsFrom <TType>(
string basePath,
string filter,
Func <string, TType> hasher,
Func <string, string> modifier,
HashList <TType> list)
{
if (Directory.Exists(basePath) == false)
{
return;
}
foreach (string listPath in Directory.GetFiles(basePath, filter, SearchOption.AllDirectories))
{
using (var input = File.Open(listPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
var reader = new StreamReader(input);
while (true)
{
string line = reader.ReadLine();
if (line == null)
{
break;
}
if (line.StartsWith(";") == true)
{
continue;
}
line = line.Trim();
if (line.Length <= 0)
{
continue;
}
if (modifier != null)
{
line = modifier(line);
}
TType hash = hasher(line);
if (list.Lookup.ContainsKey(hash) == true &&
list.Lookup[hash] != line)
{
string otherLine = list.Lookup[hash];
throw new InvalidOperationException(
string.Format(
"hash collision ('{0}' vs '{1}')",
line,
otherLine));
}
list.Lookup[hash] = line;
}
}
}
}
public HashList <TType> LoadLists <TType>(
string filter,
Func <string, TType> hasher,
Func <string, string> modifier)
{
var list = new HashList <TType>();
foreach (var name in this.Dependencies)
{
var dependency = this.Manager[name];
if (dependency != null)
{
LoadListsFrom(
dependency.ListsPath,
filter,
hasher,
modifier,
list);
}
}
LoadListsFrom(
this.ListsPath,
filter,
hasher,
modifier,
list);
return(list);
}