OOJSWormhole.m

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/*
OOJSWormhole.m
 
Oolite
Copyright (C) 2004-2013 Giles C Williams and contributors
 
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
 
 */
 
#import "WormholeEntity.h"
#import "OOJSWormhole.h"
#import "OOJSEntity.h"
#import "OOJSVector.h"
#import "OOJavaScriptEngine.h"
#import "OOCollectionExtractors.h"
#import "EntityOOJavaScriptExtensions.h"
 
 
static JSObject     *sWormholePrototype;
 
static BOOL JSWormholeGetWormholeEntity(JSContext *context, JSObject *stationObj, WormholeEntity **outEntity);
 
 
static JSBool WormholeGetProperty(JSContext *context, JSObject *this, jsid propID, jsval *value);
static JSBool WormholeSetProperty(JSContext *context, JSObject *this, jsid propID, JSBool strict, jsval *value);
 
 
static JSClass sWormholeClass =
{
    "Wormhole",
    JSCLASS_HAS_PRIVATE,
    
    JS_PropertyStub,        // addProperty
    JS_PropertyStub,        // delProperty
    WormholeGetProperty,        // getProperty
    WormholeSetProperty,        // setProperty
    JS_EnumerateStub,       // enumerate
    JS_ResolveStub,         // resolve
    JS_ConvertStub,         // convert
    OOJSObjectWrapperFinalize,// finalize
    JSCLASS_NO_OPTIONAL_MEMBERS
};
 
 
enum
{
    // Property IDs
    kWormhole_arrivalTime,
    kWormhole_destination,
    kWormhole_expiryTime,
    kWormhole_origin
 
};
 
 
static JSPropertySpec sWormholeProperties[] =
{
    // JS name                      ID                                  flags
    { "arrivalTime",         kWormhole_arrivalTime,       OOJS_PROP_READONLY_CB },
    { "destination",         kWormhole_destination,       OOJS_PROP_READONLY_CB },
    { "expiryTime",      kWormhole_expiryTime,        OOJS_PROP_READONLY_CB },
    { "origin",      kWormhole_origin,        OOJS_PROP_READONLY_CB },
    { 0 }
};
 
 
static JSFunctionSpec sWormholeMethods[] =
{
    // JS name                  Function                        min args
//  { "",     WormholeDoStuff,    0 },
    { 0 }
};
 
 
void InitOOJSWormhole(JSContext *context, JSObject *global)
{
    sWormholePrototype = JS_InitClass(context, global, JSEntityPrototype(), &sWormholeClass, OOJSUnconstructableConstruct, 0, sWormholeProperties, sWormholeMethods, NULL, NULL);
    OOJSRegisterObjectConverter(&sWormholeClass, OOJSBasicPrivateObjectConverter);
    OOJSRegisterSubclass(&sWormholeClass, JSEntityClass());
}
 
 
static BOOL JSWormholeGetWormholeEntity(JSContext *context, JSObject *wormholeObj, WormholeEntity **outEntity)
{
    OOJS_PROFILE_ENTER
    
    BOOL                        result;
    Entity                      *entity = nil;
    
    if (outEntity == NULL)  return NO;
    *outEntity = nil;
    
    result = OOJSEntityGetEntity(context, wormholeObj, &entity);
    if (!result)  return NO;
    
    if (![entity isKindOfClass:[WormholeEntity class]])  return NO;
    
    *outEntity = (WormholeEntity *)entity;
    return YES;
    
    OOJS_PROFILE_EXIT
}
 
 
@implementation WormholeEntity (OOJavaScriptExtensions)
 
- (void)getJSClass:(JSClass **)outClass andPrototype:(JSObject **)outPrototype
{
    *outClass = &sWormholeClass;
    *outPrototype = sWormholePrototype;
}
 
 
- (NSString *) oo_jsClassName
{
    return @"Wormhole";
}
 
- (BOOL) isVisibleToScripts
{
    return YES;
}
 
@end
 
 
static JSBool WormholeGetProperty(JSContext *context, JSObject *this, jsid propID, jsval *value)
{
    if (!JSID_IS_INT(propID))  return YES;
    
    OOJS_NATIVE_ENTER(context)
    
    WormholeEntity              *entity = nil;
    id result = nil;
    
    if (!JSWormholeGetWormholeEntity(context, this, &entity))  return NO;
    if (entity == nil)  { *value = JSVAL_VOID; return YES; }
    
    switch (JSID_TO_INT(propID))
    {
  case kWormhole_arrivalTime:
        return JS_NewNumberValue(context, [entity arrivalTime], value);
 
  case kWormhole_destination:
        return JS_NewNumberValue(context, [entity destination], value);
 
  case kWormhole_expiryTime:
        return JS_NewNumberValue(context, [entity expiryTime], value);
        
  case kWormhole_origin:
        return JS_NewNumberValue(context, [entity origin], value);
 
    default:
        OOJSReportBadPropertySelector(context, this, propID, sWormholeProperties);
        return NO;
    }
 
    *value = OOJSValueFromNativeObject(context, result);
    return YES;
    
    OOJS_NATIVE_EXIT
}
 
 
static JSBool WormholeSetProperty(JSContext *context, JSObject *this, jsid propID, JSBool strict, jsval *value)
{
    if (!JSID_IS_INT(propID))  return YES;
    
    OOJS_NATIVE_ENTER(context)
 
    WormholeEntity              *entity = nil;
 
    if (!JSWormholeGetWormholeEntity(context, this, &entity)) return NO;
    if (entity == nil)  return YES;
    
    switch (JSID_TO_INT(propID))
    {
 
        default:
            OOJSReportBadPropertySelector(context, this, propID, sWormholeProperties);
            return NO;
    }
    
    OOJSReportBadPropertyValue(context, this, propID, sWormholeProperties, *value);
    return NO;
    
    OOJS_NATIVE_EXIT
}
 
 
// *** Methods ***