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#include "config.h"
#include <stdlib.h>
#import "OFObject.h"
#import "OFObject+KeyValueCoding.h"
#import "OFMethodSignature.h"
#import "OFString.h"
#import "OFNumber.h"
#import "OFInvalidArgumentException.h"
#import "OFOutOfMemoryException.h"
#import "OFUndefinedKeyException.h"
int _OFObject_KeyValueCoding_reference;
static char OF_INLINE
nextType(const char **typeEncoding)
{
char ret = *(*typeEncoding)++;
while (**typeEncoding >= '0' && **typeEncoding <= '9')
(*typeEncoding)++;
return ret;
}
@implementation OFObject (KeyValueCoding)
- (id)valueForKey: (OFString *)key
{
SEL selector = sel_registerName([key UTF8String]);
OFMethodSignature *methodSignature =
const char *typeEncoding = [self typeEncodingForSelector: selector];
[self methodSignatureForSelector: selector];
id ret;
if (typeEncoding == NULL) {
if (methodSignature == nil) {
size_t keyLength;
char *name;
if ((keyLength = [key UTF8StringLength]) < 1)
return [self valueForUndefinedKey: key];
if ((name = malloc(keyLength + 3)) == NULL)
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name[2] = of_ascii_toupper(name[2]);
selector = sel_registerName(name);
} @finally {
free(name);
}
typeEncoding = [self typeEncodingForSelector: selector];
methodSignature = [self methodSignatureForSelector: selector];
if (typeEncoding == NULL ||
*typeEncoding == '@' || *typeEncoding == '#')
if (methodSignature == NULL)
return [self valueForUndefinedKey: key];
switch (*[methodSignature methodReturnType]) {
case '@':
case '#':
return [self valueForUndefinedKey: key];
}
switch (nextType(&typeEncoding)) {
}
}
if ([methodSignature numberOfArguments] != 2 ||
*[methodSignature argumentTypeAtIndex: 0] != '@' ||
*[methodSignature argumentTypeAtIndex: 1] != ':')
return [self valueForUndefinedKey: key];
switch (*[methodSignature methodReturnType]) {
case '@':
case '#':
ret = [self performSelector: selector];
break;
#define CASE(encoding, type, method) \
case encoding: \
{ \
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CASE('f', float, numberWithFloat:)
CASE('d', double, numberWithDouble:)
#undef CASE
default:
return [self valueForUndefinedKey: key];
}
if (nextType(&typeEncoding) != '@' || nextType(&typeEncoding) != ':' ||
*typeEncoding != 0)
return [self valueForUndefinedKey: key];
return ret;
}
- (id)valueForUndefinedKey: (OFString *)key
{
@throw [OFUndefinedKeyException exceptionWithObject: self
key: key];
}
- (void)setValue: (id)value
forKey: (OFString *)key
{
size_t keyLength;
char *name;
SEL selector;
OFMethodSignature *methodSignature;
const char *typeEncoding;
const char *valueType;
char valueType;
if ((keyLength = [key UTF8StringLength]) < 1) {
[self setValue: value
forUndefinedKey: key];
return;
}
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name[3] = of_ascii_toupper(name[3]);
selector = sel_registerName(name);
} @finally {
free(name);
}
typeEncoding = [self typeEncodingForSelector: selector];
methodSignature = [self methodSignatureForSelector: selector];
if (methodSignature == nil ||
[methodSignature numberOfArguments] != 3 ||
if (typeEncoding == NULL || nextType(&typeEncoding) != 'v' ||
nextType(&typeEncoding) != '@' || nextType(&typeEncoding) != ':') {
*[methodSignature methodReturnType] != 'v' ||
*[methodSignature argumentTypeAtIndex: 0] != '@' ||
*[methodSignature argumentTypeAtIndex: 1] != ':') {
[self setValue: value
forUndefinedKey: key];
return;
}
valueType = nextType(&typeEncoding);
valueType = [methodSignature argumentTypeAtIndex: 2];
if (*typeEncoding != 0) {
[self setValue: value
forUndefinedKey: key];
return;
}
if (*valueType != '@' && *valueType != '#' && value == nil) {
if (valueType != '@' && valueType != '#' && value == nil) {
[self setNilValueForKey: key];
return;
}
switch (valueType) {
switch (*valueType) {
case '@':
case '#':
{
void (*setter)(id, SEL, id) = (void (*)(id, SEL, id))
[self methodForSelector: selector];
setter(self, selector, value);
}
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