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/*
Project: AdunKernel
Copyright (C) 2008 Michael Johnston & Jordi Villa-Freixa
Author: Michael Johnston
Created: 11/07/2008 by michael johnston
This application 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 application 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
Library General Public License for more details.
You should have received a copy of the GNU General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
*/
#include "AdunKernel/AdunMatrixStructureCoder.h"
#include "AdunKernel/AdunDataMatrix.h"
#include "AdunKernel/AdFrameworkFunctions.h"
#include "AdunKernel/AdunSystem.h"
//Class vars
NSString* AdMatrixPointerTypeEncoding;
NSString* GSLMatrixPointerTypeEncoding;
BOOL isInitialized = NO;
@implementation AdMatrixStructureCoder
//This is a hack
//For some reason on 64 bit structure type encodings of methods
//Have extra characters after the supposedly final brace
- (NSString*) _gnustep64Fix: (NSString*) encoding
{
NSRange range;
//Check if AdMatrix encoding string is a substring of encoding.
//If it we return AdMatrix encoding
range = [AdMatrixPointerTypeEncoding rangeOfString: encoding];
if(range.location == 0)
return AdMatrixPointerTypeEncoding;
//Same for GSL
range = [GSLMatrixPointerTypeEncoding rangeOfString: encoding];
if(range.location == 0)
return GSLMatrixPointerTypeEncoding;
return encoding;
}
+ (void) initialize
{
if(!isInitialized)
{
AdMatrixPointerTypeEncoding = [NSString stringWithCString: @encode(AdMatrix*)
encoding: NSUTF8StringEncoding];
GSLMatrixPointerTypeEncoding = [NSString stringWithCString: @encode(gsl_matrix*)
encoding: NSUTF8StringEncoding];
[AdMatrixPointerTypeEncoding retain];
[GSLMatrixPointerTypeEncoding retain];
isInitialized = YES;
}
}
//Checks if the key is an AdMatrix or gsl_matrix struct and the value is
//an AdDataMatrix. If so this method takes over the key-value coding
//otherwise passes on to the standard mechanism
- (void) setValue: (id) value forKey: (NSString*) key
{
NSString* setKey, *type, *startCharacter;
NSMethodSignature* signature;
NSInvocation* invocation;
AdMatrix* adMatrix;
gsl_matrix* gslMatrix;
if([key isEqual: @""] || key == NULL)
{
return [super setValue: value forKey: key];
}
//Create setter key
startCharacter = [key substringToIndex: 1];
startCharacter = [startCharacter capitalizedString];
if([key length] > 1)
{
setKey = [NSString stringWithFormat: @"%@%@",
startCharacter, [key substringFromIndex: 1]];
}
else
{
//Unlikely but just in case
setKey = startCharacter;
}
setKey = [@"set" stringByAppendingString: setKey];
setKey = [setKey stringByAppendingString: @":"];
NSDebugLLog(@"AdMatrixStructureCoder", @"Set key is %@", setKey);
//FIXME: Check all key possibilities
signature = [self methodSignatureForSelector: NSSelectorFromString(setKey)];
if(signature == nil)
{
[super setValue: value forKey: key];
}
else
{
//Key type
//First two args are _cmd and self
type = [[NSString alloc]
initWithCString: [signature getArgumentTypeAtIndex: 2]
encoding: NSUTF8StringEncoding];
#ifdef GNUSTEP
type = [self _gnustep64Fix: type];
#endif
NSDebugLLog(@"AdMatrixStructureCoder", @"Key type encoding - %@. Checking against %@ and %@",
type, AdMatrixPointerTypeEncoding, GSLMatrixPointerTypeEncoding);
if([type isEqual: AdMatrixPointerTypeEncoding]
&& [value isKindOfClass: [AdDataMatrix class]])
{
NSDebugLLog(@"AdMatrixStructureCoder", @"AdMatrix key");
adMatrix = [value cRepresentation];
//Create and send invocation
invocation = [NSInvocation invocationWithMethodSignature: signature];
[invocation setTarget: self];
[invocation setSelector: NSSelectorFromString(setKey)];
[invocation setArgument: &adMatrix atIndex: 2];
[invocation invoke];
[[AdMemoryManager appMemoryManager] freeMatrix: adMatrix];
}
else if([type isEqual: GSLMatrixPointerTypeEncoding]
&& [value isKindOfClass: [AdDataMatrix class]])
{
NSDebugLLog(@"AdMatrixStructureCoder", @"GSLMatrix key");
gslMatrix = AdGSLMatrixFromAdDataMatrix(value);
//Create and send invocation
invocation = [NSInvocation invocationWithMethodSignature: signature];
[invocation setTarget: self];
[invocation setSelector: NSSelectorFromString(setKey)];
[invocation setArgument: &gslMatrix atIndex: 2];
[invocation invoke];
gsl_matrix_free(gslMatrix);
}
else
{
NSDebugLLog(@"AdMatrixStructureCoder", @"Normal key");
[super setValue: value forKey: key];
}
}
}
- (id) valueForKey: (NSString*) key
{
NSMethodSignature* signature;
NSString* type;
id value;
NSDebugLLog(@"AdMatrixStructureCoder", @"Request for key %@", key);
NSDebugLLog(@"AdMatrixStructureCoder", @"Receiver class - %@", [self class]);
NSDebugLLog(@"AdMatrixStructureCoder", @"Object type code - %s", @encode(AdSystem));
//FIXME: Check all key possibilities
signature = [self methodSignatureForSelector: NSSelectorFromString(key)];
if(signature == nil)
return [super valueForKey: key];
//Return type
NSDebugLLog(@"AdMatrixStructureCoder", @"C string return type %s", [signature methodReturnType]);
type = [[NSString alloc]
initWithCString: [signature methodReturnType]
encoding: NSUTF8StringEncoding];
NSDebugLLog(@"AdMatrixStructureCoder", @"Key type encoding - %@. Checking against %@ and %@",
type, AdMatrixPointerTypeEncoding, GSLMatrixPointerTypeEncoding);
if([type isEqual: AdMatrixPointerTypeEncoding])
{
NSDebugLLog(@"AdMatrixStructureCoder", @"AdMatrix key");
value = [AdDataMatrix matrixFromADMatrix:
(AdMatrix*)[self performSelector: NSSelectorFromString(key)]];
}
else if([type isEqual: GSLMatrixPointerTypeEncoding])
{
NSDebugLLog(@"AdMatrixStructureCoder", @"GSLMatrix key");
value = [AdDataMatrix matrixFromGSLMatrix:
(gsl_matrix*)[self performSelector: NSSelectorFromString(key)]];
}
else
{
NSDebugLLog(@"AdMatrixStructureCoder", @"Normal key");
value = [super valueForKey: key];
}
NSDebugLLog(@"AdMatrixStructureCoder", @"Value is %@", value);
[type release];
return [[value retain] autorelease];
}
@end
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