void EmitBuildParameter(LogRotateOptionsBuilder builder, string line)
{
var match = Regex.Match(line, @"^\s*(?<name>\S+)(\s+(?<val>.*?))?\s*$");
if (!match.Success)
{
throw new InvalidOperationException("invalid config " + line);
}
var name = match.Groups["name"].Value;
var value = match.Groups["val"].Value.TrimEnd();
builder.AddBuildParameter(name, string.IsNullOrEmpty(value) ? null : value);
}
public LogRotateOptionsBuilder CreateBuilder()
{
var file = this.file;
if (string.IsNullOrEmpty(file))
{
return(new DefaultLogRotateOptionsBuilder());
}
if (!File.Exists(file))
{
file = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, file);
if (!File.Exists(file))
{
return(null);
}
}
using (var stream = File.OpenRead(file))
{
var reader = new StreamReader(stream);
string line = reader.ReadLine();
while (IsCommentOrEmpty(line))
{
line = reader.ReadLine();
}
LogRotateOptionsBuilder builder = ParseBuilder(reader, line);
while (!reader.EndOfStream)
{
line = reader.ReadLine();
if (!IsCommentOrEmpty(line))
{
throw new InvalidOperationException("config out of { - } : " + line);
}
}
return(builder);
}
}
private LogRotateOptionsBuilder ParseBuilder(StreamReader reader, string line)
{
var root = ReadRootLine(line);
var builder = new LogRotateOptionsBuilder(root);
bool eof = false;
while (!eof && !reader.EndOfStream)
{
line = reader.ReadLine();
eof = Regex.IsMatch(line, @"^\s*}\s*$");
if (!eof && !IsCommentOrEmpty(line))
{
EmitBuildParameter(builder, line);
}
}
if (!eof)
{
throw new InvalidOperationException("missing eof }");
}
return(builder);
}
