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/* <title>GSXibParser</title>
<abstract>Xib v5 (Cocoa XML) parser</abstract>
Copyright (C) 2014 Free Software Foundation, Inc.
Written by: Gregory Casamento <greg.casamento@gmail.com>
Created: March 2014
This file is part of the GNUstep Base Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
*/
#import <Foundation/NSData.h>
#import <Foundation/NSDictionary.h>
#import <Foundation/NSXMLParser.h>
#import <Foundation/NSString.h>
#import <Foundation/NSArray.h>
#import <Foundation/NSException.h>
#import "GNUstepGUI/GSXibParser.h"
#import "GNUstepGUI/GSXibElement.h"
// XIB Object...
@interface XIBObject : NSObject
{
NSMutableArray *connections;
}
- (id) initWithXibElement: (GSXibElement *)element;
- (id) instantiateObject;
@end
@implementation XIBObject
- (id) initWithXibElement: (GSXibElement *)element
{
if ((self = [super init]) != nil)
{
connections = [[NSMutableArray alloc] initWithCapacity: 10];
}
return self;
}
- (void) dealloc
{
[connections release];
[super dealloc];
}
- (id) instantiateObject
{
return nil;
}
- (NSArray *) connections
{
return connections;
}
@end
@interface XIBAction : XIBObject
- (void) setSelector: (NSString *)selectorName;
- (NSString *) selector;
- (void) setTarget: (NSString *)targetId;
- (NSString *) target;
@end
@interface XIBOutlet : XIBObject
- (void) setProperty: (NSString *)propertyName;
- (NSString *) property;
- (void) setDestination: (NSString *)destinationId;
- (NSString *) destination;
@end
@interface XIBCustomObject
- (void) setUserLabel: (NSString *)label;
- (NSString *) userLabel;
- (void) setCustomClass: (NSString *)className;
- (NSString *) customClass;
@end
@implementation GSXibParser
- (id) initWithData: (NSData *)data
{
if ((self = [super init]) != nil)
{
theParser = [[NSXMLParser alloc] initWithData: data];
[theParser setDelegate: self];
objects = [[NSMutableDictionary alloc] initWithCapacity: 100];
stack = [[NSMutableArray alloc] initWithCapacity: 100];
currentElement = nil;
}
return self;
}
- (NSDictionary *) parse
{
NS_DURING
{
[theParser parse];
}
NS_HANDLER
{
NSLog(@"%@",[localException reason]);
}
NS_ENDHANDLER;
return objects;
}
- (NSMutableDictionary *) instantiateObjects
{
return nil;
}
- (NSString *)classNameFromType: (NSString *)typeName
{
NSString *className = [@"XIB" stringByAppendingString: [typeName capitalizedString]];
return className;
}
- (id) instantiateObjectForElement: (GSXibElement *)element
{
NSString *className = [self classNameFromType: [element type]];
id obj = nil;
if (className != nil)
{
Class cls = NSClassFromString(className);
if (cls != nil)
{
obj = [[cls alloc] initWithXibElement:element];
}
}
return obj;
}
- (void) parser: (NSXMLParser*)parser
foundCharacters: (NSString*)string
{
[currentElement setValue: string];
}
- (void) parser: (NSXMLParser*)parser
didStartElement: (NSString*)elementName
namespaceURI: (NSString*)namespaceURI
qualifiedName: (NSString*)qualifiedName
attributes: (NSDictionary*)attributeDict
{
GSXibElement *element = [[GSXibElement alloc] initWithType: elementName
andAttributes: attributeDict];
NSString *key = [attributeDict objectForKey: @"id"];
// FIXME: We should use proper memory management here
AUTORELEASE(element);
if ([@"document" isEqualToString: elementName])
{
currentElement = element;
}
else
{
if (key != nil)
{
// id obj = [self instantiateObjectForElement: element];
[currentElement setElement: element forKey: key];
}
else
{
// For Arrays
[currentElement addElement: element];
}
currentElement = element;
}
[stack addObject: currentElement];
}
- (void) parser: (NSXMLParser*)parser
didEndElement: (NSString*)elementName
namespaceURI: (NSString*)namespaceURI
qualifiedName: (NSString*)qName
{
if (![@"document" isEqualToString: elementName])
{
currentElement = [stack lastObject];
[stack removeLastObject];
}
else
{
objects = [self instantiateObjects];
}
}
@end
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