/*******************************************************************************
 * Copyright (c) 2007 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     
 * Port to the D Programming language:
 *     Jacob Carlborg <jacob.carlborg@gmail.com>
 *******************************************************************************/
module dwt.internal.cocoa.NSExpression;

import dwt.internal.cocoa.id;
import dwt.internal.cocoa.NSArray;
import dwt.internal.cocoa.NSMutableDictionary;
import dwt.internal.cocoa.NSObject;
import dwt.internal.cocoa.NSPredicate;
import dwt.internal.cocoa.NSString;
import dwt.internal.cocoa.OS;
import objc = dwt.internal.objc.runtime;

enum NSExpressionType
{
    NSConstantValueExpressionType = 0,
    NSEvaluatedObjectExpressionType,
    NSVariableExpressionType,
    NSKeyPathExpressionType,
    NSFunctionExpressionType,
    NSAggregateExpressionType,
    NSSubqueryExpressionType,
    NSUnionSetExpressionType,
    NSIntersectSetExpressionType,
    NSMinusSetExpressionType
}

public class NSExpression : NSObject
{

    public this ()
    {
        super();
    }

    public this (objc.id id)
    {
        super(id);
    }

    public NSArray arguments ()
    {
        objc.id result = OS.objc_msgSend(this.id_, OS.sel_arguments);
        return result !is null ? new NSArray(result) : null;
    }

    public id collection ()
    {
        objc.id result = OS.objc_msgSend(this.id_, OS.sel_collection);
        return result !is null ? new id(result) : null;
    }

    public id constantValue ()
    {
        objc.id result = OS.objc_msgSend(this.id_, OS.sel_constantValue);
        return result !is null ? new id(result) : null;
    }

    public static NSExpression expressionForAggregate (NSArray subexpressions)
    {
        objc.id result = OS.objc_msgSend(OS.class_NSExpression, OS.sel_expressionForAggregate_1, subexpressions !is null ? subexpressions.id_ : null);
        return result !is null ? new NSExpression(result) : null;
    }

    public static NSExpression expressionForConstantValue (id obj)
    {
        objc.id result = OS.objc_msgSend(OS.class_NSExpression, OS.sel_expressionForConstantValue_1, obj !is null ? obj.id_ : null);
        return result !is null ? new NSExpression(result) : null;
    }

    public static NSExpression expressionForEvaluatedObject ()
    {
        objc.id result = OS.objc_msgSend(OS.class_NSExpression, OS.sel_expressionForEvaluatedObject);
        return result !is null ? new NSExpression(result) : null;
    }

    public static NSExpression static_expressionForFunction_arguments_ (NSString name, NSArray parameters)
    {
        objc.id result = OS.objc_msgSend(OS.class_NSExpression, OS.sel_expressionForFunction_1arguments_1, name !is null ? name.id_ : null,
                parameters !is null ? parameters.id_ : null);
        return result !is null ? new NSExpression(result) : null;
    }

    public static NSExpression static_expressionForFunction_selectorName_arguments_ (NSExpression target, NSString name, NSArray parameters)
    {
        objc.id result = OS.objc_msgSend(OS.class_NSExpression, OS.sel_expressionForFunction_1selectorName_1arguments_1,
                target !is null ? target.id_ : null, name !is null ? name.id_ : null, parameters !is null ? parameters.id_ : null);
        return result !is null ? new NSExpression(result) : null;
    }

    public static NSExpression expressionForIntersectSet (NSExpression left, NSExpression right)
    {
        objc.id result = OS.objc_msgSend(OS.class_NSExpression, OS.sel_expressionForIntersectSet_1with_1, left !is null ? left.id_ : null,
                right !is null ? right.id_ : null);
        return result !is null ? new NSExpression(result) : null;
    }

    public static NSExpression expressionForKeyPath (NSString keyPath)
    {
        objc.id result = OS.objc_msgSend(OS.class_NSExpression, OS.sel_expressionForKeyPath_1, keyPath !is null ? keyPath.id_ : null);
        return result !is null ? new NSExpression(result) : null;
    }

    public static NSExpression expressionForMinusSet (NSExpression left, NSExpression right)
    {
        objc.id result = OS.objc_msgSend(OS.class_NSExpression, OS.sel_expressionForMinusSet_1with_1, left !is null ? left.id_ : null,
                right !is null ? right.id_ : null);
        return result !is null ? new NSExpression(result) : null;
    }

    public static NSExpression expressionForSubquery (NSExpression expression, NSString variable, id predicate)
    {
        objc.id result = OS.objc_msgSend(OS.class_NSExpression, OS.sel_expressionForSubquery_1usingIteratorVariable_1predicate_1,
                expression !is null ? expression.id_ : null, variable !is null ? variable.id_ : null, predicate !is null ? predicate.id_ : null);
        return result !is null ? new NSExpression(result) : null;
    }

    public static NSExpression expressionForUnionSet (NSExpression left, NSExpression right)
    {
        objc.id result = OS.objc_msgSend(OS.class_NSExpression, OS.sel_expressionForUnionSet_1with_1, left !is null ? left.id_ : null,
                right !is null ? right.id_ : null);
        return result !is null ? new NSExpression(result) : null;
    }

    public static NSExpression expressionForVariable (NSString string)
    {
        objc.id result = OS.objc_msgSend(OS.class_NSExpression, OS.sel_expressionForVariable_1, string !is null ? string.id_ : null);
        return result !is null ? new NSExpression(result) : null;
    }

    public NSExpressionType expressionType ()
    {
        return cast(NSExpressionType) OS.objc_msgSend(this.id_, OS.sel_expressionType);
    }

    public id expressionValueWithObject (id object, NSMutableDictionary context)
    {
        objc.id result = OS.objc_msgSend(this.id_, OS.sel_expressionValueWithObject_1context_1, object !is null ? object.id_ : null,
                context !is null ? context.id_ : null);
        return result !is null ? new id(result) : null;
    }

    public NSString functionn ()
    {
        objc.id result = OS.objc_msgSend(this.id_, OS.sel_function);
        return result !is null ? new NSString(result) : null;
    }

    public id initWithExpressionType (NSExpressionType type)
    {
        objc.id result = OS.objc_msgSend(this.id_, OS.sel_initWithExpressionType_1, type);
        return result !is null ? new id(result) : null;
    }

    public NSString keyPath ()
    {
        objc.id result = OS.objc_msgSend(this.id_, OS.sel_keyPath);
        return result !is null ? new NSString(result) : null;
    }

    public NSExpression leftExpression ()
    {
        objc.id result = OS.objc_msgSend(this.id_, OS.sel_leftExpression);
        return result is this.id_ ? this : (result !is null ? new NSExpression(result) : null);
    }

    public NSExpression operand ()
    {
        objc.id result = OS.objc_msgSend(this.id_, OS.sel_operand);
        return result is this.id_ ? this : (result !is null ? new NSExpression(result) : null);
    }

    public NSPredicate predicate ()
    {
        objc.id result = OS.objc_msgSend(this.id_, OS.sel_predicate);
        return result !is null ? new NSPredicate(result) : null;
    }

    public NSExpression rightExpression ()
    {
        objc.id result = OS.objc_msgSend(this.id_, OS.sel_rightExpression);
        return result is this.id_ ? this : (result !is null ? new NSExpression(result) : null);
    }

    public NSString variable ()
    {
        objc.id result = OS.objc_msgSend(this.id_, OS.sel_variable);
        return result !is null ? new NSString(result) : null;
    }

}