/* * 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