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Add interface and abstract implementation of modelLoaderForData:

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This commit is contained in:
Gregory John Casamento 2021-04-24 06:06:45 -04:00
parent b5ecb4e490
commit 0d3c3d1b2a
2 changed files with 29 additions and 2 deletions
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6
Headers/Additions/GNUstepGUI/GSModelLoaderFactory.h
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@ -1,6 +1,6 @@
/** <title>NSBundleAdditions</title> /** <title>GSModelLoaderFactory</title>
<abstract>Implementation of NSBundle Additions</abstract> <abstract>Interface of GSModelLoader and GSModelLoaderFactory</abstract>
Copyright (C) 2005 Free Software Foundation, Inc. Copyright (C) 2005 Free Software Foundation, Inc.
@ -39,6 +39,7 @@
@class NSBundle; @class NSBundle;
@interface GSModelLoader : NSObject @interface GSModelLoader : NSObject
+ (BOOL) canReadData: (NSData *)theData;
+ (NSString *) type; + (NSString *) type;
+ (float) priority; + (float) priority;
- (BOOL) loadModelData: (NSData *)data - (BOOL) loadModelData: (NSData *)data
@ -57,6 +58,7 @@
+ (NSString *) supportedModelFileAtPath: (NSString *)modelPath; + (NSString *) supportedModelFileAtPath: (NSString *)modelPath;
+ (GSModelLoader *) modelLoaderForFileType: (NSString *)type; + (GSModelLoader *) modelLoaderForFileType: (NSString *)type;
+ (GSModelLoader *) modelLoaderForFileName: (NSString *)modelPath; + (GSModelLoader *) modelLoaderForFileName: (NSString *)modelPath;
+ (GSModelLoader *) modelLoaderForData: (NSData *)theData;
@end @end
#endif #endif

25
Source/GSModelLoaderFactory.m
View file

@ -38,6 +38,11 @@
#import "GNUstepGUI/GSModelLoaderFactory.h" #import "GNUstepGUI/GSModelLoaderFactory.h"
@implementation GSModelLoader @implementation GSModelLoader
+ (BOOL) canReadData: (NSData *)theData
{
return NO;
}
+ (NSString *) type + (NSString *) type
{ {
return nil; return nil;
@ -103,6 +108,7 @@
static NSMutableDictionary *_modelMap = nil; static NSMutableDictionary *_modelMap = nil;
@implementation GSModelLoaderFactory @implementation GSModelLoaderFactory
+ (void) initialize + (void) initialize
{ {
NSArray *classes = GSObjCAllSubclassesOfClass([GSModelLoader class]); NSArray *classes = GSObjCAllSubclassesOfClass([GSModelLoader class]);
@ -216,4 +222,23 @@ static NSMutableDictionary *_modelMap = nil;
return result; return result;
} }
+ (GSModelLoader *) modelLoaderForData: (NSData *)theData
{
NSEnumerator *oen = [_modelMap objectEnumerator];
Class aClass = nil;
GSModelLoader *result = nil;
while ((aClass = [oen nextObject]) != nil)
{
if ([aClass canReadData: theData])
{
result = AUTORELEASE([[aClass alloc] init]);
break;
}
}
return result;
}
@end @end