public static IEnumerable <string> GetSetHostTransform(IEnumerable <string> contents, string hostName,
string address)
{
List <string> result = new List <string>();
var needsInsert = true;
foreach (var line in contents)
{
if (!HostsFileHelper.IsLineAHostFilesEntry(line))
{
result.Add(line);
continue;
}
if (needsInsert)
{
result.Add(GetHostLine(hostName, address));
needsInsert = false;
}
result.Add(line);
}
if (needsInsert)
{
result.Add(GetHostLine(hostName, address));
needsInsert = false;
}
return(result);
}
public static void Set(IEnumerable <HostsFileEntry> entries, string filepath = null)
{
filepath = filepath ?? GetHostsPath();
List <Func <IEnumerable <string>, IEnumerable <string> > > transforms =
new List <Func <IEnumerable <string>, IEnumerable <string> > >();
foreach (var entry in entries.Reverse())
{
string hostName = entry.Hostname;
string address = entry.Address;
transforms.Add(HostsFileHelper.GetRemoveTransformForHost(hostName));
transforms.Add(lines => GetSetHostTransform(lines.ToArray(), hostName, address));
}
HostsFileHelper.TransformFile(filepath, transforms.ToArray());
}
public static void Remove(Regex pattern)
{
var hostsPath = GetHostsPath();
HostsFileHelper.RemoveFromFile(pattern, hostsPath);
}
public static void Remove(string hostName)
{
var hostsPath = GetHostsPath();
HostsFileHelper.RemoveFromFile(hostName, hostsPath);
}
