/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014
* 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"
#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"
#import "macros.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 **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