/* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 * Jonathan Schleifer <js@heap.zone> * * 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" #import "OFXMLElementBuilder.h" #import "OFXMLElement.h" #import "OFXMLAttribute.h" #import "OFXMLCharacters.h" #import "OFXMLCDATA.h" #import "OFXMLComment.h" #import "OFXMLProcessingInstructions.h" #import "OFXMLParser.h" #import "OFArray.h" #import "OFMalformedXMLException.h" @implementation OFXMLElementBuilder + (instancetype)elementBuilder { return [[[self alloc] init] autorelease]; } - init { self = [super init]; @try { _stack = [[OFMutableArray alloc] init]; } @catch (id e) { [self release]; @throw e; } return self; } - (void)dealloc { [_stack release]; [super dealloc]; } - (id <OFXMLElementBuilderDelegate>)delegate { return _delegate; } - (void)setDelegate: (id <OFXMLElementBuilderDelegate>)delegate { _delegate = delegate; } - (void)parser: (OFXMLParser*)parser foundProcessingInstructions: (OFString*)pi { OFXMLProcessingInstructions *node = [OFXMLProcessingInstructions processingInstructionsWithString: pi]; OFXMLElement *parent = [_stack lastObject]; if (parent != nil) [parent addChild: node]; else if ([_delegate respondsToSelector: @selector(elementBuilder:didBuildParentlessNode:)]) [_delegate elementBuilder: self didBuildParentlessNode: node]; } - (void)parser: (OFXMLParser*)parser didStartElement: (OFString*)name prefix: (OFString*)prefix namespace: (OFString*)namespace attributes: (OFArray*)attributes { OFXMLElement *element; OFXMLAttribute *const *objects; size_t i, count; element = [OFXMLElement elementWithName: name namespace: namespace]; objects = [attributes objects]; count = [attributes count]; for (i = 0; i < count; i++) { if ([objects[i] namespace] == nil && [[objects[i] name] isEqual: @"xmlns"]) continue; if ([[objects[i] namespace] isEqual: @"http://www.w3.org/2000/xmlns/"]) [element setPrefix: [objects[i] name] forNamespace: [objects[i] stringValue]]; [element addAttribute: objects[i]]; } [[_stack lastObject] addChild: element]; [_stack addObject: element]; } - (void)parser: (OFXMLParser*)parser didEndElement: (OFString*)name prefix: (OFString*)prefix namespace: (OFString*)namespace { switch ([_stack count]) { case 0: if ([_delegate respondsToSelector: @selector(elementBuilder: didNotExpectCloseTag:prefix:namespace:)]) [_delegate elementBuilder: self didNotExpectCloseTag: name prefix: prefix namespace: namespace]; else @throw [OFMalformedXMLException exception]; return; case 1: [_delegate elementBuilder: self didBuildElement: [_stack firstObject]]; break; } [_stack removeLastObject]; } - (void)parser: (OFXMLParser*)parser foundCharacters: (OFString*)characters { OFXMLCharacters *node; OFXMLElement *parent; node = [OFXMLCharacters charactersWithString: characters]; parent = [_stack lastObject]; if (parent != nil) [parent addChild: node]; else if ([_delegate respondsToSelector: @selector(elementBuilder:didBuildParentlessNode:)]) [_delegate elementBuilder: self didBuildParentlessNode: node]; } - (void)parser: (OFXMLParser*)parser foundCDATA: (OFString*)CDATA { OFXMLCDATA *node = [OFXMLCDATA CDATAWithString: CDATA]; OFXMLElement *parent = [_stack lastObject]; if (parent != nil) [parent addChild: node]; else if ([_delegate respondsToSelector: @selector(elementBuilder:didBuildParentlessNode:)]) [_delegate elementBuilder: self didBuildParentlessNode: node]; } - (void)parser: (OFXMLParser*)parser foundComment: (OFString*)comment { OFXMLComment *node = [OFXMLComment commentWithString: comment]; OFXMLElement *parent = [_stack lastObject]; if (parent != nil) [parent addChild: node]; else if ([_delegate respondsToSelector: @selector(elementBuilder:didBuildParentlessNode:)]) [_delegate elementBuilder: self didBuildParentlessNode: node]; } - (OFString*)parser: (OFXMLParser*)parser foundUnknownEntityNamed: (OFString*)entity { if ([_delegate respondsToSelector: @selector(elementBuilder:foundUnknownEntityNamed:)]) return [_delegate elementBuilder: self foundUnknownEntityNamed: entity]; return nil; } @end