/// <summary>
/// Reads the log configuration from the given <paramref name="fileContent"/>.
/// If the <paramref name="fileContent"/> is NULL or empty, a default configuration
/// is returned.
/// </summary>
public static LogConfiguration ReadText(string fileContent)
{
LogConfiguration fileConfig = new LogConfiguration();
// No content, no configuration
if (string.IsNullOrEmpty(fileContent))
{
return(fileConfig);
}
Dictionary <string, ILogStream> streamSet = new Dictionary <string, ILogStream>(10);
// Parse lines
string[] lines = fileContent.Split('\n');
for (int i = -1; ++i != lines.Length;)
{
string line = lines[i];
if (string.IsNullOrEmpty(line))
{
continue; // Empty line
}
if (line[0] == '#')
{
continue; // Comment line
}
string[] linePair = line.Split('=');
if (linePair.Length != 2)
{
continue; // Invalid format
}
char[] bias = { ' ', '\t', '\r' };
string key = linePair[0].Trim(bias).ToLower();
string value = linePair[1].Trim(bias);
if (string.IsNullOrEmpty(key) || string.IsNullOrEmpty(value))
{
continue;
}
// Reserved word
if (key == "level")
{
ELogLevel.TryParse(value, out ELogLevel level);
fileConfig.SetLevel(level);
continue;
}
if (key == "pattern")
{
fileConfig.SetPattern(value);
continue;
}
if (key == "streams")
{
string[] streamNames = value.Split(',');
for (int j = -1; ++j != streamNames.Length;)
{
string streamName = streamNames[j].Trim();
if (string.IsNullOrEmpty(streamName))
{
continue;
}
streamSet[streamName] = null;
}
continue;
}
// Dynamic content
int psIdx = key.IndexOf('.');
string streamId;
string streamProp;
ILogStream logStream;
// No dot, no stream property. But the stream kind.
if (psIdx == -1)
{
streamId = key;
logStream = StreamStore.GetStreamInstance(value);
streamSet[streamId] = logStream;
fileConfig.AddStream(logStream);
continue;
}
streamId = key.Substring(0, psIdx);
streamProp = key.Substring(psIdx + 1);
if (!streamSet.TryGetValue(streamId, out logStream))
{
continue;
}
SetStreamProperty(logStream, streamProp, value);
}
return(fileConfig);
}
/// <summary>
/// Returns TRUE if the given <paramref name="level"/> is greater or equal
/// as the current.
/// </summary>
public bool IsGreaterOrEqual(ELogLevel level)
{
return(level._severity >= _severity);
}