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https://github.com/gnustep/libs-base.git
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Added pre-alpha NSXMLPzarser compatibility layer.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@20238 72102866-910b-0410-8b05-ffd578937521
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8 changed files with 1068 additions and 0 deletions
559
Source/NSXMLParser.m
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559
Source/NSXMLParser.m
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/** Implementation for NSXMLParser for GNUStep
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Copyright (C) 2004 Free Software Foundation, Inc.
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Written by: Richard Frith-Macdonald <rfm@gnu.org>
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Date: May 2004
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
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*/
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#include <Additions/GNUstepBase/GSXML.h>
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#include <Foundation/NSError.h>
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#include <Foundation/NSException.h>
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#include <Foundation/NSXMLParser.h>
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#include <Foundation/NSData.h>
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#include <Foundation/NSObjCRuntime.h>
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NSString* const NSXMLParserErrorDomain = @"NSXMLParserErrorDomain";
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@interface NSXMLSAXHandler : GSSAXHandler
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{
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@public
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id _delegate;
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id _owner;
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NSError *_lastError;
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BOOL _shouldProcessNamespaces;
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BOOL _shouldReportNamespacePrefixes;
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BOOL _shouldResolveExternalEntities;
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}
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- (void) _setOwner: (id)owner;
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@end
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@implementation NSXMLSAXHandler
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- (void) endDocument
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{
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[_delegate parserDidEndDocument: _owner];
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}
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- (void) startDocument
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{
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[_delegate parserDidStartDocument: _owner];
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}
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- (void) startElement: (NSString*)elementName
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prefix: (NSString*)prefix
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href: (NSString*)href
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attributes: (NSMutableDictionary*)elementAttributes
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{
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if (_shouldProcessNamespaces)
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{
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[_delegate parser: _owner
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didStartElement: elementName
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namespaceURI: href
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qualifiedName: prefix
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attributes: elementAttributes];
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}
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else
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{
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[_delegate parser: _owner
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didStartElement: elementName
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namespaceURI: nil
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qualifiedName: nil
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attributes: elementAttributes];
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}
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}
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- (void) endElement: (NSString*) elementName
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prefix: (NSString*)prefix
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href: (NSString*)href
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{
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if (_shouldProcessNamespaces)
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{
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[_delegate parser: _owner
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didEndElement: elementName
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namespaceURI: href
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qualifiedName: prefix];
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}
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else
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{
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[_delegate parser: _owner
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didEndElement: elementName
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namespaceURI: nil
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qualifiedName: nil];
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}
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}
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- (void) attribute: (NSString*) name value: (NSString*)value
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{
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// FIXME
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}
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- (void) characters: (NSString*)string
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{
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[_delegate parser: _owner
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foundCharacters: string];
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}
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- (void) ignoreWhitespace: (NSString*) ch
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{
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[_delegate parser: _owner
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foundIgnorableWhitespace: ch];
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}
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- (void) processInstruction: (NSString*)targetName data: (NSString*)PIdata
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{
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[_delegate parser: _owner
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foundProcessingInstructionWithTarget: targetName
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data: PIdata];
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}
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- (void) comment: (NSString*) value
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{
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[_delegate parser: _owner
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foundComment: value];
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}
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- (void) cdataBlock: (NSData*)value
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{
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[_delegate parser: _owner
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foundCDATA: value];
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}
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/**
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* Called to return the filename from which an entity should be loaded.
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*/
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- (NSString*) loadEntity: (NSString*)publicId
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at: (NSString*)location
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{
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return nil;
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}
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/**
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* An old global namespace has been parsed.
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*/
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- (void) namespaceDecl: (NSString*)name
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href: (NSString*)href
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prefix: (NSString*)prefix
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{
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}
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- (void) notationDecl: (NSString*)name
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public: (NSString*)publicId
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system: (NSString*)systemId
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{
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[_delegate parser: _owner
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foundNotationDeclarationWithName: name
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publicID: publicId
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systemID: systemId];
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}
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/**
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* An entity definition has been parsed.
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*/
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- (void) entityDecl: (NSString*)name
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type: (int)type
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public: (NSString*)publicId
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system: (NSString*)systemId
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content: (NSString*)content
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{
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}
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- (void) attributeDecl: (NSString*)nameElement
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name: (NSString*)name
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type: (int)type
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typeDefValue: (int)defType
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defaultValue: (NSString*)value
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{
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[_delegate parser: _owner
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foundAttributeDeclarationWithName: name
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forElement: nameElement
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type: nil // FIXME
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defaultValue: value];
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}
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- (void) elementDecl: (NSString*)name
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type: (int)type
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{
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[_delegate parser: _owner
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foundElementDeclarationWithName: name
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model: nil]; // FIXME
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}
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/**
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* What to do when an unparsed entity declaration is parsed.
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*/
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- (void) unparsedEntityDecl: (NSString*)name
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public: (NSString*)publicId
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system: (NSString*)systemId
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notationName: (NSString*)notation
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{
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}
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/**
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* Called when an entity reference is detected.
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*/
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- (void) reference: (NSString*) name
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{
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}
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/**
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* An old global namespace has been parsed.
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*/
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- (void) globalNamespace: (NSString*)name
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href: (NSString*)href
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prefix: (NSString*)prefix
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{
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}
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/**
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* Called when a warning message needs to be output.
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*/
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- (void) warning: (NSString*)e
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{
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GSPrintf(stderr, @"%@", e);
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}
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- (void) error: (NSString*)e
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{
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NSError *error;
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NSDictionary *d;
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d = [NSDictionary dictionaryWithObjectsAndKeys:
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e, NSLocalizedDescriptionKey,
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nil];
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error = [NSError errorWithDomain: NSXMLParserErrorDomain
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code: 0
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userInfo: d];
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ASSIGN(_lastError, error);
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[_delegate parser: _owner
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parseErrorOccurred: error];
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}
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- (void) fatalError: (NSString*)e
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{
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[self error: e];
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}
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- (void) warning: (NSString*)e
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colNumber: (int)colNumber
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lineNumber: (int)lineNumber
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{
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e = [NSString stringWithFormat: @"at line: %d column: %d ... %@",
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lineNumber, colNumber, e];
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[self warning: e];
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}
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- (void) error: (NSString*)e
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colNumber: (int)colNumber
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lineNumber: (int)lineNumber
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{
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e = [NSString stringWithFormat: @"at line: %d column: %d ... %@",
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lineNumber, colNumber, e];
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[self error: e];
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}
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- (void) fatalError: (NSString*)e
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colNumber: (int)colNumber
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lineNumber: (int)lineNumber
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{
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e = [NSString stringWithFormat: @"at line: %d column: %d ... %@",
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lineNumber, colNumber, e];
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[self fatalError: e];
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}
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- (int) hasInternalSubset
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{
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return 0;
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}
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- (BOOL) internalSubset: (NSString*)name
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externalID: (NSString*)externalID
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systemID: (NSString*)systemID
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{
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return NO;
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}
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- (int) hasExternalSubset
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{
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return 0;
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}
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- (BOOL) externalSubset: (NSString*)name
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externalID: (NSString*)externalID
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systemID: (NSString*)systemID
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{
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return NO;
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}
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- (void*) getEntity: (NSString*)name
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{
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return 0;
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}
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- (void*) getParameterEntity: (NSString*)name
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{
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return 0;
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}
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- (void) _setOwner: (id)owner
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{
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ASSIGN(_owner, owner);
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}
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@end
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@implementation NSXMLParser
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#define myParser ((GSXMLParser*)_parser)
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#define myHandler ((NSXMLSAXHandler*)_handler)
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- (void) abortParsing
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{ // FIXME
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NSDictionary *d;
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NSString *e;
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NSError *error;
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e = @"Parsing aborted";
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d = [NSDictionary dictionaryWithObjectsAndKeys:
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e, NSLocalizedDescriptionKey,
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nil];
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error = [NSError errorWithDomain: NSXMLParserErrorDomain
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code: 0
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userInfo: d];
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ASSIGN(myHandler->_lastError, error);
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[myHandler->_delegate parser: myHandler->_owner parseErrorOccurred: error];
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[NSException raise: NSGenericException format: @"[%@-%@] not yet implemented",
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NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
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}
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- (void) dealloc
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{
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DESTROY((id)_parser);
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DESTROY((id)_handler);
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[super dealloc];
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}
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- (id) delegate
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{
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return myHandler->_delegate;
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}
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- (id) initWithContentsOfURL: (NSURL*)anURL
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{
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NSData *d = [NSData dataWithContentsOfURL: anURL];
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if (d == nil)
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{
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DESTROY(self);
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}
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else
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{
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self = [self initWithData: d];
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}
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return self;
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}
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- (id) initWithData: (NSData*)data
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{
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_handler = [NSXMLSAXHandler new];
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[myHandler _setOwner: self];
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_parser = [[GSXMLParser alloc] initWithSAXHandler: myHandler withData: data];
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return self;
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}
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- (BOOL) parse
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{
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BOOL result;
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result = [[myHandler parser] parse];
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return result;
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}
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- (NSError*) parserError
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{
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return nil; // FIXME
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}
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- (void) setDelegate: (id)delegate
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{
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myHandler->_delegate = delegate;
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}
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- (void) setShouldProcessNamespaces: (BOOL)aFlag
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{
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myHandler->_shouldProcessNamespaces = aFlag;
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}
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- (void) setShouldReportNamespacePrefixes: (BOOL)aFlag
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{
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myHandler->_shouldReportNamespacePrefixes = aFlag;
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}
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- (void) setShouldResolveExternalEntities: (BOOL)aFlag
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{
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myHandler->_shouldResolveExternalEntities = aFlag;
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}
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- (BOOL) shouldProcessNamespaces
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{
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return myHandler->_shouldProcessNamespaces;
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}
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- (BOOL) shouldReportNamespacePrefixes
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{
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return myHandler->_shouldReportNamespacePrefixes;
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}
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- (BOOL) shouldResolveExternalEntities
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{
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return myHandler->_shouldResolveExternalEntities;
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}
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@end
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@implementation NSXMLParser (NSXMLParserLocatorAdditions)
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- (int) columnNumber
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{
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return [myParser columnNumber];
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}
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- (int) lineNumber
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{
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return [myParser lineNumber];
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}
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- (NSString*) publicID
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{
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return [myParser publicID];
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}
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- (NSString*) systemID
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{
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return [myParser systemID];
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}
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@end
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@implementation NSObject (NSXMLParserDelegateEventAdditions)
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- (NSData*) parser: (NSXMLParser*)aParser
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resolveExternalEntityName: (NSString*)aName
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systemID: (NSString*)aSystemID
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{
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return nil;
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}
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- (void) parser: (NSXMLParser*)aParser
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didEndElement: (NSString*)anElementName
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namespaceURI: (NSString*)aNamespaceURI
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qualifiedName: (NSString*)aQualifierName
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{
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}
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- (void) parser: (NSXMLParser*)aParser
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didEndMappingPrefix: (NSString*)aPrefix
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{
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}
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- (void) parser: (NSXMLParser*)aParser
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didStartElement: (NSString*)anElementName
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namespaceURI: (NSString*)aNamespaceURI
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qualifiedName: (NSString*)aQualifierName
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attributes: (NSDictionary*)anAttributeDict
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{
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}
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- (void) parser: (NSXMLParser*)aParser
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didStartMappingPrefix: (NSString*)aPrefix
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toURI: (NSString*)aNamespaceURI
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{
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}
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- (void) parser: (NSXMLParser*)aParser
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foundAttributeDeclarationWithName: (NSString*)anAttributeName
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forElement: (NSString*)anElementName
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type: (NSString*)aType
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defaultValue: (NSString*)aDefaultValue
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{
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}
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- (void) parser: (NSXMLParser*)aParser
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foundCDATA: (NSData*)aBlock
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{
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}
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- (void) parser: (NSXMLParser*)aParser
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foundCharacters: (NSString*)aString
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{
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}
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- (void) parser: (NSXMLParser*)aParser
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foundComment: (NSString*)aComment
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{
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}
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- (void) parser: (NSXMLParser*)aParser
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foundElementDeclarationWithName: (NSString*)anElementName
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model: (NSString*)aModel
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{
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}
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- (void) parser: (NSXMLParser*)aParser
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foundExternalEntityDeclarationWithName: (NSString*)aName
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publicID: (NSString*)aPublicID
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systemID: (NSString*)aSystemID
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{
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}
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- (void) parser: (NSXMLParser*)aParser
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foundIgnorableWhitespace: (NSString*)aWhitespaceString
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{
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}
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- (void) parser: (NSXMLParser*)aParser
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foundInternalEntityDeclarationWithName: (NSString*)aName
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value: (NSString*)aValue
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{
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}
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- (void) parser: (NSXMLParser*)aParser
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foundNotationDeclarationWithName: (NSString*)aName
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publicID: (NSString*)aPublicID
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systemID: (NSString*)aSystemID
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{
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}
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- (void) parser: (NSXMLParser*)aParser
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foundProcessingInstructionWithTarget: (NSString*)aTarget
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data: (NSString*)aData
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{
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}
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- (void) parser: (NSXMLParser*)aParser
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foundUnparsedEntityDeclarationWithName: (NSString*)aName
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publicID: (NSString*)aPublicID
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systemID: (NSString*)aSystemID
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notationName: (NSString*)aNotationName
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{
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}
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- (void) parser: (NSXMLParser*)aParser
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parseErrorOccurred: (NSError*)anError
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{
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}
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- (void) parser: (NSXMLParser*)aParser
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validationErrorOccurred: (NSError*)anError
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{
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}
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- (void) parserDidEndDocument: (NSXMLParser*)aParser
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{
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}
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- (void) parserDidStartDocument: (NSXMLParser*)aParser
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{
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}
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@end
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