/*

 File: JSShape.m

 Version: 1.0

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 */ 

/*************************************************************

/* The JSShape pseudo-class describes a JavaScript wrapper

/* around the Shape class.

/************************************************************/

#import "JSShape.h"

#import "Shape.h"

/* Retain and release the Shape because a garbage collected object has an unpredictable lifetime. */

static void JSShape_initialize(JSContextRef ctx, JSObjectRef object)

{

    Shape *shape = JSObjectGetPrivate(object);

    [shape retain];

}

static void JSShape_finalize(JSObjectRef object)

{

    Shape *shape = JSObjectGetPrivate(object);

    [shape release];

}

static JSValueRef JSShape_getLeft(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef* exception)

{

    Shape *shape = JSObjectGetPrivate(object);

    return JSValueMakeNumber(ctx, [shape left]);

}

static JSValueRef JSShape_getTop(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef* exception)

{

    Shape *shape = JSObjectGetPrivate(object);

    return JSValueMakeNumber(ctx, [shape top]);

}

static JSValueRef JSShape_getRight(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef* exception)

{

    Shape *shape = JSObjectGetPrivate(object);

    return JSValueMakeNumber(ctx, [shape right]);

}

static JSValueRef JSShape_getBottom(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef* exception)

{

    Shape *shape = JSObjectGetPrivate(object);

    return JSValueMakeNumber(ctx, [shape bottom]);

}

static JSValueRef JSShape_getHeight(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef* exception)

{

    Shape *shape = JSObjectGetPrivate(object);

    return JSValueMakeNumber(ctx, [shape height]);

}

static JSValueRef JSShape_getWidth(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef* exception)

{

    Shape *shape = JSObjectGetPrivate(object);

    return JSValueMakeNumber(ctx, [shape width]);

}

static JSValueRef JSShape_getMiddleX(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef* exception)

{

    Shape *shape = JSObjectGetPrivate(object);

    return JSValueMakeNumber(ctx, [shape middleX]);

}

static JSValueRef JSShape_getMiddleY(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef* exception)

{

    Shape *shape = JSObjectGetPrivate(object);

    return JSValueMakeNumber(ctx, [shape middleY]);

}

/* DontDelete and ReadOnly prevent errant scripts from making arbitrary changes to the model that would break the game flow, or deleting parts of the API. */

static JSStaticValue JSShape_staticValues[] = {

    { "left", JSShape_getLeft, NULL, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },

    { "top", JSShape_getTop, NULL, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },

    { "right", JSShape_getRight, NULL, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },

    { "bottom", JSShape_getBottom, NULL, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },

    { "height", JSShape_getHeight, NULL, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },

    { "width", JSShape_getWidth, NULL, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },

    { "middleX", JSShape_getMiddleX, NULL, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },

    { "middleY", JSShape_getMiddleY, NULL, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },

    { 0, 0, 0, 0 }

};

/* Caches and returns the JSShape class. */

JSClassRef JSShape_class(JSContextRef ctx)

{

    static JSClassRef jsClass;

    if (!jsClass) {

        JSClassDefinition classDefinition = kJSClassDefinitionEmpty;

        classDefinition.staticValues = JSShape_staticValues;

        classDefinition.initialize = JSShape_initialize;

        classDefinition.finalize = JSShape_finalize;

        jsClass = JSClassCreate(&classDefinition);

    }

    return jsClass;

}