Files
OpenRA/OpenRa.FileFormats/FieldLoader.cs
2010-01-14 19:15:22 +13:00

74 lines
2.1 KiB
C#

using System;
using System.Linq;
namespace OpenRa.FileFormats
{
public static class FieldLoader
{
public static void Load(object self, IniSection ini)
{
foreach (var x in ini)
{
var field = self.GetType().GetField(x.Key.Trim());
field.SetValue(self, GetValue(field.FieldType, x.Value.Trim()));
}
}
public static void Load(object self, MiniYaml my)
{
foreach (var x in my.Nodes)
{
var field = self.GetType().GetField(x.Key.Trim());
if (field == null)
throw new NotImplementedException("Missing field `{0}` on `{1}`".F(x.Key.Trim(), self.GetType().Name));
field.SetValue(self, GetValue(field.FieldType, x.Value.Value.Trim()));
}
}
static object GetValue( Type fieldType, string x )
{
if( fieldType == typeof( int ) )
return int.Parse( x );
else if (fieldType == typeof(float))
return float.Parse(x.Replace("%","")) * (x.Contains( '%' ) ? 0.01f : 1f);
else if (fieldType == typeof(string))
return x;
else if (fieldType.IsEnum)
return Enum.Parse(fieldType, x, true);
else if (fieldType == typeof(bool))
return ParseYesNo(x);
else if (fieldType.IsArray)
{
var parts = x.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
var ret = Array.CreateInstance(fieldType.GetElementType(), parts.Length);
for (int i = 0; i < parts.Length; i++)
ret.SetValue(GetValue(fieldType.GetElementType(), parts[i].Trim()), i);
return ret;
}
else if (fieldType == typeof(int2))
{
var parts = x.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
return new int2(int.Parse(parts[0]), int.Parse(parts[1]));
}
else
throw new InvalidOperationException("FieldLoader: don't know how to load field of type " + fieldType.ToString());
}
static bool ParseYesNo( string p )
{
p = p.ToLowerInvariant();
if( p == "yes" ) return true;
if( p == "true" ) return true;
if( p == "no" ) return false;
if( p == "false" ) return false;
throw new InvalidOperationException();
}
}
}