/*
* 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 "OFXMLParser.h"
#import "OFMutableArray.h"
#import "OFAutoreleasePool.h"
#import "OFMalformedXMLException.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];
[(id)delegate release];
[super dealloc];
}
- (id <OFXMLElementBuilderDelegate>)delegate
{
return [[(id)delegate retain] autorelease];
}
- (void)setDelegate: (id <OFXMLElementBuilderDelegate>)delegate_
{
[(id)delegate_ retain];
[(id)delegate release];
delegate = delegate_;
}
- (void)parser: (OFXMLParser*)parser
didStartElement: (OFString*)name
withPrefix: (OFString*)prefix
namespace: (OFString*)ns
attributes: (OFArray*)attrs
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFXMLElement *elem;
OFXMLAttribute **attrs_c;
size_t i, attrs_cnt;
IMP add_attr;
elem = [OFXMLElement elementWithName: name
namespace: ns];
attrs_c = [attrs cArray];
attrs_cnt = [attrs count];
add_attr = [elem methodForSelector: @selector(addAttribute:)];
for (i = 0; i < attrs_cnt; i++) {
if ([attrs_c[i] namespace] == nil &&
[[attrs_c[i] name] isEqual: @"xmlns"])
continue;
if ([[attrs_c[i] namespace]
isEqual: @"http://www.w3.org/2000/xmlns/"])
[elem setPrefix: [attrs_c[i] name]
forNamespace: [attrs_c[i] stringValue]];
add_attr(elem, @selector(addAttribute:), attrs_c[i]);
}
[[stack lastObject] addChild: elem];
[stack addObject: elem];
[pool release];
}
- (void)parser: (OFXMLParser*)parser
didEndElement: (OFString*)name
withPrefix: (OFString*)prefix
namespace: (OFString*)ns
{
if ([stack count] == 0) {
[delegate elementBuilder: self
didNotExpectCloseTag: name
withPrefix: prefix
namespace: ns];
return;
}
if ([stack count] == 1)
[delegate elementBuilder: self
didBuildElement: [stack firstObject]];
[stack removeNObjects: 1];
}
- (void)parser: (OFXMLParser*)parser
foundCharacters: (OFString*)str
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFXMLElement *elem = [OFXMLElement elementWithCharacters: str];
if ([stack count] == 0)
[delegate elementBuilder: self
didBuildElement: elem];
else
[[stack lastObject] addChild: elem];
[pool release];
}
- (void)parser: (OFXMLParser*)parser
foundCDATA: (OFString*)cdata
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFXMLElement *elem = [OFXMLElement elementWithCDATA: cdata];
if ([stack count] == 0)
[delegate elementBuilder: self
didBuildElement: elem];
else
[[stack lastObject] addChild: elem];
[pool release];
}
- (void)parser: (OFXMLParser*)parser
foundComment: (OFString*)comment
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFXMLElement *elem = [OFXMLElement elementWithComment: comment];
if ([stack count] == 0)
[delegate elementBuilder: self
didBuildElement: elem];
else
[[stack lastObject] addChild: elem];
[pool release];
}
@end
@implementation OFObject (OFXMLElementBuilderDelegate)
- (void)elementBuilder: (OFXMLElementBuilder*)builder
didBuildElement: (OFXMLElement*)elem
{
}
- (void)elementBuilder: (OFXMLElementBuilder*)builder
didNotExpectCloseTag: (OFString*)name
withPrefix: (OFString*)prefix
namespace: (OFString*)ns
{
@throw [OFMalformedXMLException newWithClass: [builder class]
parser: nil];
}
@end