public static T Load <T>(OptionParserBase[] customParsers = null)
{
object[] cfgAttr = typeof(T).GetCustomAttributes(typeof(Config), true);
if (cfgAttr.Length != 1)
{
throw new ConfigException($"Type {typeof(T)} is either not marked as a Config or has multiple Config attributes");
}
string filepath = ((Config)cfgAttr[0]).File;
string[] cfgFile = System.IO.File.ReadAllLines(filepath);
//Parse
if (customParsers == null)
{
customParsers = new OptionParserBase[0];
}
object cfg = Activator.CreateInstance(typeof(T));
for (int i = 0; i < cfgFile.Length; i++)
{
if (cfgFile[i].StartsWith("#") || cfgFile[i].Trim().Length == 0)
{
continue; //Skip comments
}
else if (cfgFile[i].StartsWith("[")) //This is a normal option
{
string opName;
object opVal = decode(cfgFile[i], customParsers, out opName);
if (opVal == null)
{
continue;
}
var pfit = typeof(T).GetProperties().Where(p =>
{
object[] attr = p.GetCustomAttributes(typeof(Option), true);
if (attr.Length > 1)
{
throw new ConfigException($"Member {p} has more than one Option attribute");
}
if (attr.Length == 0)
{
return(false);
}
if (((Option)attr[0]).Name == null)
{
return(p.Name.Equals(opName));
}
else
{
return(((Option)attr[0]).Name.Equals(opName));
}
});
var ffit = typeof(T).GetFields().Where(p =>
{
object[] attr = p.GetCustomAttributes(typeof(Option), true);
if (attr.Length > 1)
{
throw new ConfigException($"Member {p} has more than one Option attribute");
}
if (attr.Length == 0)
{
return(false);
}
if (((Option)attr[0]).Name == null)
{
return(p.Name.Equals(opName));
}
else
{
return(((Option)attr[0]).Name.Equals(opName));
}
});
if (ffit.Count() + pfit.Count() > 1)
{
throw new ConfigException($"More than one element in {typeof(T)} is labeled with the option name {opName}");
}
if (pfit.Count() > 0)
{
pfit.First().SetValue(cfg, opVal);
}
else if (ffit.Count() > 0)
{
ffit.First().SetValue(cfg, opVal);
}
}
}
return((T)cfg);
}
public static void Save <T>(T cfg, OptionParserBase[] customParsers = null)
{
object[] cfgAttr = typeof(T).GetCustomAttributes(typeof(Config), true);
if (cfgAttr.Length != 1)
{
throw new ConfigException($"Type {typeof(T)} is either not marked as a Config or has multiple Config attributes");
}
string filepath = ((Config)cfgAttr[0]).File;
//Parse the config object
if (customParsers == null)
{
customParsers = new OptionParserBase[0];
}
List <KeyValuePair <Option, string[]> > lines = new List <KeyValuePair <Option, string[]> >();
foreach (var member in typeof(T).GetProperties().Where(p => IsDefined(p, typeof(Option))))
{
object[] attr = member.GetCustomAttributes(typeof(Option), true);
Option optionAttribute = (Option)attr[0];
string opstring = (optionAttribute.Comment == null ? "" : "#" + optionAttribute.Comment + Environment.NewLine);
opstring += encode((optionAttribute.Name == null ? member.Name : optionAttribute.Name), member.GetValue(cfg), member.PropertyType, customParsers);
lines.Add(new KeyValuePair <Option, string[]>(optionAttribute, new string[] { opstring, optionAttribute.Name == null ? member.Name : optionAttribute.Name }));
}
foreach (var member in typeof(T).GetFields().Where(p => IsDefined(p, typeof(Option))))
{
object[] attr = member.GetCustomAttributes(typeof(Option), true);
Option optionAttribute = (Option)attr[0];
string opstring = (optionAttribute.Comment == null ? "" : "#" + optionAttribute.Comment + Environment.NewLine);
opstring += encode((optionAttribute.Name == null ? member.Name : optionAttribute.Name), member.GetValue(cfg), member.FieldType, customParsers);
lines.Add(new KeyValuePair <Option, string[]>(optionAttribute, new string[] { opstring, optionAttribute.Name == null ? member.Name : optionAttribute.Name }));
}
//Sorting
lines.Sort((first, second) =>
{
if (first.Key.Region == null && second.Key.Region != null)
{
return(-1);
}
if (second.Key.Region == null && first.Key.Region != null)
{
return(1);
}
int regionCompare = first.Key.Region == null && second.Key.Region == null ? 0 : first.Key.Region.CompareTo(second.Key.Region);
if (regionCompare != 0)
{
return(regionCompare);
}
return(first.Value[1].CompareTo(second.Value[1]));
});
List <string> fileLines = new List <string>();
string currentRegion = null;
string head = ((Config)cfgAttr[0]).Header;
if (head != null)
{
fileLines.Add($"### {head} ###");
}
for (int i = 0; i < lines.Count; i++)
{
if (lines[i].Key.Region != currentRegion) //New Region
{
currentRegion = lines[i].Key.Region;
fileLines.Add($"#--{currentRegion}--#");
}
fileLines.Add(lines[i].Value[0]);
}
System.IO.File.WriteAllLines(filepath, fileLines);
}
