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/** <title>GSGModelLoader</title>
<abstract>GModel loader</abstract>
Copyright (C) 1997, 1999 Free Software Foundation, Inc.
Author: Gregory John Casamento <greg_casamento@yahoo.com>
Date: 2005
This file is part of the GNUstep GUI Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; see the file COPYING.LIB.
If not, see <http://www.gnu.org/licenses/> or write to the
Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#import <Foundation/NSArray.h>
#import <Foundation/NSBundle.h>
#import <Foundation/NSDebug.h>
#import <Foundation/NSData.h>
#import <Foundation/NSDictionary.h>
#import <Foundation/NSEnumerator.h>
#import <Foundation/NSException.h>
#import <Foundation/NSFileManager.h>
#import <Foundation/NSPathUtilities.h>
#import <Foundation/NSString.h>
#import "AppKit/NSNib.h"
#import "GNUstepGUI/GSModelLoaderFactory.h"
#import "GNUstepGUI/IMLoading.h"
static
Class gmodel_class(void)
{
static Class gmclass = Nil;
if (gmclass == Nil)
{
NSBundle *theBundle;
NSEnumerator *benum;
NSString *path;
/* Find the bundle */
benum = [NSStandardLibraryPaths() objectEnumerator];
while ((path = [benum nextObject]))
{
path = [path stringByAppendingPathComponent: @"Bundles"];
path = [path stringByAppendingPathComponent: @"libgmodel.bundle"];
if ([[NSFileManager defaultManager] fileExistsAtPath: path])
break;
}
NSCAssert(path != nil, @"Unable to load gmodel bundle");
NSDebugLog(@"Loading gmodel from %@", path);
theBundle = [NSBundle bundleWithPath: path];
NSCAssert(theBundle != nil, @"Can't init gmodel bundle");
gmclass = [theBundle classNamed: @"GMModel"];
NSCAssert(gmclass, @"Can't load gmodel bundle");
}
return gmclass;
}
@interface GSGModelLoader : GSModelLoader
@end
@implementation GSGModelLoader
+ (void) initialize
{
// register for the gmodel type.
}
+ (BOOL) canReadData: (NSData *)theData
{
char *header = calloc(1024, sizeof(char));
if (header != NULL)
{
NSUInteger len = [theData length];
NSRange r = NSMakeRange(len - 1024, len - 1);
NSString *hdr = nil;
[theData getBytes: header
range: r];
hdr = [[NSString alloc] initWithBytes: header
length: 1024
encoding: NSUTF8StringEncoding];
AUTORELEASE(hdr);
if ([hdr containsString: @"GMModel"])
{
return YES;
}
free(header);
}
return NO;
}
+ (NSString *) type
{
return @"gmodel";
}
+ (float) priority
{
return 2.0;
}
- (NSData *) dataForFile: (NSString *)fileName
{
// Horrible hack
return (NSData*)fileName;
}
- (BOOL) loadModelData: (NSData *)data
externalNameTable: (NSDictionary *)context
withZone: (NSZone *)zone
{
// Horrible hack
return [self loadModelFile: (NSString *)data
externalNameTable: context
withZone: zone];
}
- (BOOL) loadModelFile: (NSString *)fileName
externalNameTable: (NSDictionary *)context
withZone: (NSZone *)zone;
{
NSString *ext = [fileName pathExtension];
/*
* If the file to be read is a gmodel, use the GMModel method to
* read it in and skip the dearchiving below.
*/
if ([ext isEqualToString: @"gmodel"])
{
return [gmodel_class() loadIMFile: fileName
owner: [context objectForKey: NSNibOwner]];
}
return NO;
}
@end
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