Update copyright header. Normalize line endings to LF.
This commit is contained in:
Paul Chote
@@ -1,105 +1,105 @@
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#region Copyright & License Information
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/*
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* Copyright 2007-2010 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see LICENSE.
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using OpenRA.FileFormats;
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namespace OpenRA
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{
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public class ObjectCreator
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{
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Pair<Assembly, string>[] ModAssemblies;
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public ObjectCreator( Manifest manifest )
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{
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// All the core namespaces
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var asms = typeof(Game).Assembly.GetNamespaces()
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.Select(c => Pair.New(typeof(Game).Assembly, c))
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.ToList();
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// Namespaces from each mod assembly
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foreach (var a in manifest.Assemblies)
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{
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var asm = Assembly.LoadFile(Path.GetFullPath(a));
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asms.AddRange(asm.GetNamespaces().Select(ns => Pair.New(asm, ns)));
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}
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ModAssemblies = asms.ToArray();
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}
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public static Action<string> MissingTypeAction =
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s => { throw new InvalidOperationException("Cannot locate type: {0}".F(s)); };
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public T CreateObject<T>(string className)
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{
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return CreateObject<T>( className, new Dictionary<string, object>() );
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}
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public T CreateObject<T>( string className, Dictionary<string, object> args )
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{
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foreach( var mod in ModAssemblies )
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{
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var type = mod.First.GetType( mod.Second + "." + className, false );
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if( type == null ) continue;
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var ctors = type.GetConstructors( BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance ).Where( x => x.HasAttribute<UseCtorAttribute>() ).ToList();
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if( ctors.Count == 0 )
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return (T)CreateBasic( type );
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else if( ctors.Count == 1 )
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return (T)CreateUsingArgs( ctors[ 0 ], args );
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else
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throw new InvalidOperationException( "ObjectCreator: UseCtor on multiple constructors; invalid." );
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}
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MissingTypeAction(className);
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return default(T);
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}
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public object CreateBasic( Type type )
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{
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return type.GetConstructor( new Type[ 0 ] ).Invoke( new object[ 0 ] );
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}
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public object CreateUsingArgs( ConstructorInfo ctor, Dictionary<string, object> args )
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{
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var p = ctor.GetParameters();
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var a = new object[ p.Length ];
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for( int i = 0 ; i < p.Length ; i++ )
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{
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var attrs = p[ i ].GetCustomAttributes<ParamAttribute>();
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if( attrs.Length != 1 ) throw new InvalidOperationException( "ObjectCreator: argument in [UseCtor] doesn't have [Param]" );
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var key = attrs[ 0 ].ParamName ?? p[i].Name;
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if ( !args.ContainsKey(key) ) throw new InvalidOperationException("ObjectCreator: key `{0}' not found".F(key));
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a[ i ] = args[ key ];
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}
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return ctor.Invoke( a );
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}
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[AttributeUsage( AttributeTargets.Parameter )]
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public class ParamAttribute : Attribute
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{
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public string ParamName { get; private set; }
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public ParamAttribute() { }
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public ParamAttribute( string paramName )
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{
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ParamName = paramName;
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}
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}
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[AttributeUsage( AttributeTargets.Constructor )]
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public class UseCtorAttribute : Attribute
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{
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}
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}
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}
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#region Copyright & License Information
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/*
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* Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using OpenRA.FileFormats;
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namespace OpenRA
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{
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public class ObjectCreator
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{
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Pair<Assembly, string>[] ModAssemblies;
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public ObjectCreator( Manifest manifest )
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{
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// All the core namespaces
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var asms = typeof(Game).Assembly.GetNamespaces()
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.Select(c => Pair.New(typeof(Game).Assembly, c))
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.ToList();
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// Namespaces from each mod assembly
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foreach (var a in manifest.Assemblies)
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{
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var asm = Assembly.LoadFile(Path.GetFullPath(a));
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asms.AddRange(asm.GetNamespaces().Select(ns => Pair.New(asm, ns)));
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}
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ModAssemblies = asms.ToArray();
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}
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public static Action<string> MissingTypeAction =
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s => { throw new InvalidOperationException("Cannot locate type: {0}".F(s)); };
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public T CreateObject<T>(string className)
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{
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return CreateObject<T>( className, new Dictionary<string, object>() );
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}
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public T CreateObject<T>( string className, Dictionary<string, object> args )
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{
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foreach( var mod in ModAssemblies )
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{
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var type = mod.First.GetType( mod.Second + "." + className, false );
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if( type == null ) continue;
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var ctors = type.GetConstructors( BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance ).Where( x => x.HasAttribute<UseCtorAttribute>() ).ToList();
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if( ctors.Count == 0 )
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return (T)CreateBasic( type );
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else if( ctors.Count == 1 )
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return (T)CreateUsingArgs( ctors[ 0 ], args );
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else
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throw new InvalidOperationException( "ObjectCreator: UseCtor on multiple constructors; invalid." );
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}
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MissingTypeAction(className);
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return default(T);
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}
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public object CreateBasic( Type type )
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{
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return type.GetConstructor( new Type[ 0 ] ).Invoke( new object[ 0 ] );
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}
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public object CreateUsingArgs( ConstructorInfo ctor, Dictionary<string, object> args )
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{
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var p = ctor.GetParameters();
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var a = new object[ p.Length ];
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for( int i = 0 ; i < p.Length ; i++ )
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{
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var attrs = p[ i ].GetCustomAttributes<ParamAttribute>();
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if( attrs.Length != 1 ) throw new InvalidOperationException( "ObjectCreator: argument in [UseCtor] doesn't have [Param]" );
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var key = attrs[ 0 ].ParamName ?? p[i].Name;
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if ( !args.ContainsKey(key) ) throw new InvalidOperationException("ObjectCreator: key `{0}' not found".F(key));
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a[ i ] = args[ key ];
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}
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return ctor.Invoke( a );
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}
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[AttributeUsage( AttributeTargets.Parameter )]
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public class ParamAttribute : Attribute
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{
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public string ParamName { get; private set; }
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public ParamAttribute() { }
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public ParamAttribute( string paramName )
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{
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ParamName = paramName;
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}
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}
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[AttributeUsage( AttributeTargets.Constructor )]
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public class UseCtorAttribute : Attribute
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{
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}
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}
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}
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