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attribute individual fields, not the class

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This commit is contained in:
Bob
2010-08-27 19:13:42 +12:00
committed by Chris Forbes
parent 29a77f7c5c
commit 9fedeefdbc
6 changed files with 52 additions and 71 deletions
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51
OpenRA.FileFormats/FieldLoader.cs
View File

@@ -165,49 +165,30 @@ namespace OpenRA.FileFormats
{
var ret = new Dictionary<FieldInfo, Func<string, Type, MiniYaml, object>>();
var fieldsToLoad = new List<FieldInfo>();
var attr = (FooAttribute[])type.GetCustomAttributes( typeof( FooAttribute ), false );
if( attr.Length == 0 )
{
var defCtor = type.GetConstructor( new Type[ 0 ] );
if( defCtor == null || ( defCtor.GetMethodImplementationFlags() | MethodImplAttributes.Runtime ) == 0 )
throw new InvalidOperationException( "FieldLoader: refusing to load type {0}; has non-default ctor".F( type ) );
fieldsToLoad.AddRange( type.GetFields() );
}
else if( attr[ 0 ].Fields != null )
fieldsToLoad.AddRange( attr[ 0 ].Fields.Select( x => type.GetField( x ) ) );
else
fieldsToLoad.AddRange( type.GetFields() );
foreach( var field in fieldsToLoad )
ret.Add( field, null );
foreach( var field in type.GetFields() )
{
var use = (LoadUsingAttribute[])field.GetCustomAttributes( typeof( LoadUsingAttribute ), false );
if( use.Length != 0 )
ret[ field ] = ( _1, fieldType, yaml ) => use[ 0 ].LoaderFunc( field )( yaml );
else
{
var attr2 = (FieldFromYamlKeyAttribute[])field.GetCustomAttributes( typeof( FieldFromYamlKeyAttribute ), false );
if( attr2.Length != 0 )
ret[ field ] = ( f, ft, yaml ) => GetValue( f, ft, yaml.Value );
}
var load = (LoadAttribute[])field.GetCustomAttributes( typeof( LoadAttribute ), false );
var loadUsing = (LoadUsingAttribute[])field.GetCustomAttributes( typeof( LoadUsingAttribute ), false );
var fromYamlKey = (FieldFromYamlKeyAttribute[])field.GetCustomAttributes( typeof( FieldFromYamlKeyAttribute ), false );
if( loadUsing.Length != 0 )
ret[ field ] = ( _1, fieldType, yaml ) => loadUsing[ 0 ].LoaderFunc( field )( yaml );
else if( fromYamlKey.Length != 0 )
ret[ field ] = ( f, ft, yaml ) => GetValue( f, ft, yaml.Value );
else if( load.Length != 0 )
ret[ field ] = null;
}
if( ret.Count == 0 )
foreach( var f in type.GetFields() )
ret.Add( f, null );
return ret;
}
public class FooAttribute : Attribute
{
public string[] Fields;
public FooAttribute( params string[] fields )
{
Fields = fields;
}
}
[AttributeUsage( AttributeTargets.Field )]
public class LoadAttribute : Attribute { }
[AttributeUsage( AttributeTargets.Field )]
public class LoadUsingAttribute : Attribute
{
Func<MiniYaml, object> loaderFuncCache;

17
OpenRA.FileFormats/Map/MapStub.cs
View File

@@ -15,27 +15,26 @@ using System.Linq;
namespace OpenRA.FileFormats
{
[FieldLoader.Foo( "Selectable", "Title", "Description", "Author", "PlayerCount", "Tileset", "TopLeft", "BottomRight" )]
public class MapStub
{
public readonly IFolder Package;
// Yaml map data
public readonly string Uid;
public bool Selectable;
[FieldLoader.Load] public bool Selectable;
public string Title;
public string Description;
public string Author;
public int PlayerCount;
public string Tileset;
[FieldLoader.Load] public string Title;
[FieldLoader.Load] public string Description;
[FieldLoader.Load] public string Author;
[FieldLoader.Load] public int PlayerCount;
[FieldLoader.Load] public string Tileset;
[FieldLoader.LoadUsing( "LoadWaypoints" )]
public Dictionary<string, int2> Waypoints = new Dictionary<string, int2>();
public IEnumerable<int2> SpawnPoints { get { return Waypoints.Select(kv => kv.Value); } }
public int2 TopLeft;
public int2 BottomRight;
[FieldLoader.Load] public int2 TopLeft;
[FieldLoader.Load] public int2 BottomRight;
public int Width { get { return BottomRight.X - TopLeft.X; } }
public int Height { get { return BottomRight.Y - TopLeft.Y; } }

11
OpenRA.FileFormats/Map/TileSet.cs
View File

@@ -29,13 +29,12 @@ namespace OpenRA.FileFormats
public MiniYaml Save() { return FieldSaver.Save(this); }
}
[FieldLoader.Foo("Id", "Image", "Size", "PickAny")]
public class TileTemplate
{
public ushort Id;
public string Image;
public int2 Size;
public bool PickAny;
[FieldLoader.Load] public ushort Id;
[FieldLoader.Load] public string Image;
[FieldLoader.Load] public int2 Size;
[FieldLoader.Load] public bool PickAny;
[FieldLoader.LoadUsing( "LoadTiles" )]
public Dictionary<byte, string> Tiles = new Dictionary<byte, string>();
@@ -84,7 +83,7 @@ namespace OpenRA.FileFormats
public TileSet() {}
public TileSet( string filepath )
{
var yaml = MiniYaml.FromFile(filepath).ToDictionary( x => x.Key, x => x.Value );
var yaml = MiniYaml.DictFromFile( filepath );
// General info
FieldLoader.Load(this, yaml["General"]);