/* * Copyright (c) 2008, 2009, 2010, 2011 * Jonathan Schleifer <js@webkeks.org> * * 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" #define OF_XML_ELEMENT_BUILDER_M #import "OFXMLElementBuilder.h" #import "OFXMLElement.h" #import "OFXMLAttribute.h" #import "OFXMLCharacters.h" #import "OFXMLCDATA.h" #import "OFXMLComment.h" #import "OFXMLParser.h" #import "OFMutableArray.h" #import "OFMalformedXMLException.h" #import "macros.h" @implementation OFXMLElementBuilder + 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 { } - (void)parser: (OFXMLParser*)parser didStartElement: (OFString*)name withPrefix: (OFString*)prefix namespace: (OFString*)ns attributes: (OFArray*)attributes { OFXMLElement *element; OFXMLAttribute **cArray; size_t i, count; element = [OFXMLElement elementWithName: name namespace: ns]; cArray = [attributes cArray]; count = [attributes count]; for (i = 0; i < count; i++) { if ([cArray[i] namespace] == nil && [[cArray[i] name] isEqual: @"xmlns"]) continue; if ([[cArray[i] namespace] isEqual: @"http://www.w3.org/2000/xmlns/"]) [element setPrefix: [cArray[i] name] forNamespace: [cArray[i] stringValue]]; [element addAttribute: cArray[i]]; } [[stack lastObject] addChild: element]; [stack addObject: element]; } - (void)parser: (OFXMLParser*)parser didEndElement: (OFString*)name withPrefix: (OFString*)prefix namespace: (OFString*)ns { switch ([stack count]) { case 0: [delegate elementBuilder: self didNotExpectCloseTag: name withPrefix: prefix namespace: ns]; 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 [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 [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 [delegate elementBuilder: self didBuildParentlessNode: node]; } - (OFString*)parser: (OFXMLParser*)parser foundUnknownEntityNamed: (OFString*)entity { return [delegate elementBuilder: self foundUnknownEntityNamed: entity]; } @end @implementation OFObject (OFXMLElementBuilderDelegate) - (void)elementBuilder: (OFXMLElementBuilder*)builder didBuildElement: (OFXMLElement*)elem { } - (void)elementBuilder: (OFXMLElementBuilder*)builder didBuildParentlessNode: (OFXMLNode*)node { } - (void)elementBuilder: (OFXMLElementBuilder*)builder didNotExpectCloseTag: (OFString*)name withPrefix: (OFString*)prefix namespace: (OFString*)ns { @throw [OFMalformedXMLException exceptionWithClass: [builder class] parser: nil]; } - (OFString*)elementBuilder: (OFXMLElementBuilder*)builder foundUnknownEntityNamed: (OFString*)entity { return nil; } @end