/*
* Copyright (c) 2008-2022 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#include <string.h>
#import "OFXMLProcessingInstruction.h"
#import "OFString.h"
#import "OFXMLAttribute.h"
#import "OFXMLElement.h"
#import "OFXMLNode+Private.h"
#import "OFInvalidArgumentException.h"
@implementation OFXMLProcessingInstruction
@synthesize target = _target, data = _data;
+ (instancetype)processingInstructionWithTarget: (OFString *)target
data: (OFString *)data
{
return [[[self alloc] initWithTarget: target
data: data] autorelease];
}
- (instancetype)initWithTarget: (OFString *)target
data: (OFString *)data
{
self = [super of_init];
@try {
_target = [target copy];
_data = [data copy];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (instancetype)initWithSerialization: (OFXMLElement *)element
{
@try {
void *pool = objc_autoreleasePoolPush();
OFXMLAttribute *targetAttr;
if (![element.name isEqual: self.className] ||
![element.namespace isEqual: OFSerializationNS])
@throw [OFInvalidArgumentException exception];
targetAttr = [element attributeForName: @"target"
namespace: OFSerializationNS];
if (targetAttr.stringValue.length == 0)
@throw [OFInvalidArgumentException exception];
self = [self initWithTarget: targetAttr.stringValue
data: element.stringValue];
objc_autoreleasePoolPop(pool);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_target release];
[_data release];
[super dealloc];
}
- (bool)isEqual: (id)object
{
OFXMLProcessingInstruction *processingInstruction;
if (object == self)
return true;
if (![object isKindOfClass: [OFXMLProcessingInstruction class]])
return false;
processingInstruction = object;
if (![processingInstruction->_target isEqual: _target])
return false;
if (processingInstruction->_data != _data &&
![processingInstruction->_data isEqual: _data])
return false;
return true;
}
- (unsigned long)hash
{
unsigned long hash;
OFHashInit(&hash);
OFHashAddHash(&hash, _target.hash);
OFHashAddHash(&hash, _data.hash);
OFHashFinalize(&hash);
return hash;
}
- (OFString *)stringValue
{
return @"";
}
- (OFString *)XMLString
{
if (_data.length > 0)
return [OFString stringWithFormat: @"<?%@ %@?>",
_target, _data];
else
return [OFString stringWithFormat: @"<?%@?>", _target];
}
- (OFString *)XMLStringWithIndentation: (unsigned int)indentation
{
return self.XMLString;
}
- (OFString *)XMLStringWithIndentation: (unsigned int)indentation
level: (unsigned int)level
{
if (indentation > 0 && level > 0) {
OFString *ret;
char *whitespaces = OFAllocMemory((level * indentation) + 1, 1);
memset(whitespaces, ' ', level * indentation);
whitespaces[level * indentation] = 0;
@try {
if (_data.length > 0)
ret = [OFString stringWithFormat:
@"%s<?%@ %@?>", whitespaces,
_target, _data];
else
ret = [OFString stringWithFormat:
@"%s<?%@?>", whitespaces, _target];
} @finally {
OFFreeMemory(whitespaces);
}
return ret;
} else
return self.XMLString;
}
- (OFString *)description
{
return self.XMLString;
}
- (OFXMLElement *)XMLElementBySerializing
{
OFXMLElement *ret = [OFXMLElement elementWithName: self.className
namespace: OFSerializationNS
stringValue: _data];
void *pool = objc_autoreleasePoolPush();
[ret addAttribute: [OFXMLAttribute attributeWithName: @"target"
stringValue: _target]];
objc_autoreleasePoolPop(pool);
return ret;
}
@end