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AQXMLParser.m
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/*
* AQXMLParser.h
* AQToolkit
*
* Created by Jim Dovey on 17/3/2009.
*
* Copyright (c) 2009, Jim Dovey
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of this project's author nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/**/
#import "AQXMLParser.h"
#import <libxml/parser.h> // add -I/usr/include/libxml2 -lxml2 if you have No such file or directory errors
#import <libxml/HTMLparser.h>
#import <libxml/parserInternals.h>
#import <libxml/SAX2.h>
#import <libxml/xmlerror.h>
#import <libxml/encoding.h>
#import <libxml/entities.h>
#if TARGET_OS_IPHONE
# import <CFNetwork/CFNetwork.h>
#else
# import <CoreServices/../Frameworks/CFNetwork.framework/Headers/CFNetwork.h>
#endif
NSString * const AQXMLParserParsingRunLoopMode = @"AQXMLParserParsingRunLoopMode";
// _AQNSURLConnectionStream is not a general stream implementation
@interface _AQNSURLConnectionStream : NSInputStream
{
NSURLConnection* connection;
NSObject* delegate;
NSError* streamError;
NSStreamStatus streamStatus;
const void* currentData;
long currentDataLength;
}
@property (nonatomic,retain) NSObject* delegate;
@property (nonatomic,retain) NSError* streamError;
@property (nonatomic) NSStreamStatus streamStatus;
- (id)initWithRequest:(NSURLRequest*)request;
@end
@implementation _AQNSURLConnectionStream
@synthesize delegate;
@synthesize streamError;
@synthesize streamStatus;
- (id)initWithRequest:(NSURLRequest*)request
{
self = [super init];
if (self != nil) {
connection = [[NSURLConnection alloc] initWithRequest:request delegate:self startImmediately:NO];
[connection unscheduleFromRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
streamStatus = NSStreamStatusNotOpen;
}
return self;
}
- (void) dealloc
{
self.streamError = 0;
self.delegate = 0;
// self.dataQueue = 0;
[connection release];
[super dealloc];
}
- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
{
streamStatus = NSStreamStatusOpen;
}
- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
{
streamStatus = NSStreamStatusOpen;
currentData = [data bytes];
currentDataLength = [data length];
while (currentDataLength != 0) {
[delegate stream:self handleEvent: NSStreamEventHasBytesAvailable];
}
currentData = 0;
currentDataLength = 0;
}
// reads up to length bytes into the supplied buffer, which must be at least of size len. Returns the actual number of bytes read.
- (NSInteger)read:(uint8_t *)buffer maxLength:(NSUInteger)len
{
if (currentData) {
NSUInteger copiedBytes = currentDataLength;
if (copiedBytes > len)
copiedBytes = len;
memcpy(buffer,currentData,copiedBytes);
currentData += copiedBytes;
currentDataLength -= copiedBytes;
return copiedBytes;
} else {
return 0;
}
}
- (BOOL)getBuffer:(uint8_t **)buffer length:(NSUInteger *)len
{
return NO;
}
- (BOOL)hasBytesAvailable
{
return (currentDataLength != 0);
}
- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
{
streamStatus = NSStreamStatusError;
self.streamError = error;
[delegate stream:self handleEvent: NSStreamEventErrorOccurred];
}
- (void)connectionDidFinishLoading:(NSURLConnection *)connection
{
streamStatus = NSStreamStatusAtEnd;
[delegate stream:self handleEvent: NSStreamEventEndEncountered];
}
- (id)propertyForKey:(NSString *)key
{
return 0;
}
- (BOOL)setProperty:(id)property forKey:(NSString *)key
{
return NO;
}
- (void)scheduleInRunLoop:(NSRunLoop *)aRunLoop forMode:(NSString *)mode
{
[connection scheduleInRunLoop:aRunLoop forMode:mode];
}
- (void)removeFromRunLoop:(NSRunLoop *)aRunLoop forMode:(NSString *)mode;
{
[connection unscheduleFromRunLoop:aRunLoop forMode:mode];
}
- (void)open
{
streamStatus = NSStreamStatusOpening;
[connection start];
}
- (void)close
{
[connection cancel];
}
@end
@interface _AQXMLParserInternal : NSObject
{
@public
// parser structures -- these are actually the same for both XML & HTML
xmlSAXHandlerPtr saxHandler;
xmlParserCtxtPtr parserContext;
// internal stuff
NSUInteger parserFlags;
NSError * error;
NSMutableArray * namespaces;
BOOL delegateAborted;
BOOL reportedError;
// async parse callback data
id asyncDelegate;
SEL asyncSelector;
void * asyncContext;
// progress variables
float expectedDataLength;
float currentLength;
}
@property (nonatomic, readonly) xmlSAXHandlerPtr xmlSaxHandler;
@property (nonatomic, readonly) xmlParserCtxtPtr xmlParserContext;
@property (nonatomic, readonly) htmlSAXHandlerPtr htmlSaxHandler;
@property (nonatomic, readonly) htmlParserCtxtPtr htmlParserContext;
@end
@implementation _AQXMLParserInternal
- (xmlSAXHandlerPtr) xmlSaxHandler
{
return ( saxHandler );
}
- (xmlParserCtxtPtr) xmlParserContext
{
return ( parserContext );
}
- (htmlSAXHandlerPtr) htmlSaxHandler
{
return ( (htmlSAXHandlerPtr) saxHandler );
}
- (htmlParserCtxtPtr) htmlParserContext
{
return ( (htmlParserCtxtPtr) parserContext );
}
@end
enum
{
AQXMLParserShouldProcessNamespaces = 1<<0,
AQXMLParserShouldReportPrefixes = 1<<1,
AQXMLParserShouldResolveExternals = 1<<2,
// most significant bit indicates HTML mode
AQXMLParserHTMLMode = 1<<31
};
@interface AQXMLParser (Internal)
- (void) _setParserError: (int) err;
- (xmlParserCtxtPtr) _xmlParserContext;
- (htmlParserCtxtPtr) _htmlParserContext;
- (void) _pushNamespaces: (NSDictionary *) nsDict;
- (void) _popNamespaces;
- (void) _initializeSAX2Callbacks;
- (void) _initializeParserWithBytes: (const void *) buf length: (NSUInteger) length;
- (void) _pushXMLData: (const void *) bytes length: (NSUInteger) length;
- (_AQXMLParserInternal *) _info;
- (void) _setStreamComplete: (BOOL) parsedOK;
- (void) _setupExpectedLength;
@end
#pragma mark -
static inline NSString * NSStringFromXmlChar( const xmlChar * ch )
{
if ( ch == NULL )
return ( nil );
return ( [[NSString allocWithZone: nil] initWithBytes: ch
length: strlen((const char *)ch)
encoding: NSUTF8StringEncoding] );
}
static inline NSString * AttributeTypeString( int type )
{
#define TypeCracker(t) case XML_ATTRIBUTE_ ## t: return @#t
switch ( type )
{
TypeCracker(CDATA);
TypeCracker(ID);
TypeCracker(IDREF);
TypeCracker(IDREFS);
TypeCracker(ENTITY);
TypeCracker(ENTITIES);
TypeCracker(NMTOKEN);
TypeCracker(NMTOKENS);
TypeCracker(ENUMERATION);
TypeCracker(NOTATION);
default:
break;
}
return ( @"" );
}
static int __isStandalone( void * ctx )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
xmlParserCtxtPtr p = [parser _xmlParserContext];
return ( p->myDoc->standalone );
}
static int __hasInternalSubset2( void * ctx )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
xmlParserCtxtPtr p = [parser _xmlParserContext];
return ( p->myDoc->intSubset == NULL ? 0 : 1 );
}
static int __hasExternalSubset2( void * ctx )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
xmlParserCtxtPtr p = [parser _xmlParserContext];
return ( p->myDoc->extSubset == NULL ? 0 : 1 );
}
static void __internalSubset2( void * ctx, const xmlChar * name, const xmlChar * ElementID,
const xmlChar * SystemID )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
xmlParserCtxtPtr p = [parser _xmlParserContext];
xmlSAX2InternalSubset( p, name, ElementID, SystemID );
}
static void __externalSubset2( void * ctx, const xmlChar * name, const xmlChar * ExternalID,
const xmlChar * SystemID )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
xmlParserCtxtPtr p = [parser _xmlParserContext];
xmlSAX2ExternalSubset( p, name, ExternalID, SystemID );
}
static void __structuredErrorFunc( void * ctx, xmlErrorPtr errorData );
static xmlParserInputPtr __resolveEntity( void * ctx, const xmlChar * publicId, const xmlChar * systemId )
{
xmlSetStructuredErrorFunc(ctx, __structuredErrorFunc);
AQXMLParser * parser = (AQXMLParser *) ctx;
xmlParserCtxtPtr p = [parser _xmlParserContext];
xmlParserInputPtr result = xmlSAX2ResolveEntity(p, publicId, systemId);
xmlSetStructuredErrorFunc(0, 0);
return result;
}
static void __characters( void * ctx, const xmlChar * ch, int len )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
xmlParserCtxtPtr p = [parser _xmlParserContext];
if ( (long)(p->_private) == 1 )
{
p->_private = 0;
return;
}
id<AQXMLParserDelegate> delegate = parser.delegate;
if ( [delegate respondsToSelector: @selector(parser:foundCharacters:)] == NO )
return;
NSString * str = [[NSString allocWithZone: nil] initWithBytes: ch
length: len
encoding: NSUTF8StringEncoding];
[delegate parser: parser foundCharacters: str];
[str release];
}
static xmlEntityPtr __getParameterEntity( void * ctx, const xmlChar * name )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
xmlParserCtxtPtr p = [parser _xmlParserContext];
return ( xmlSAX2GetParameterEntity(p, name) );
}
static void __entityDecl( void * ctx, const xmlChar * name, int type, const xmlChar * publicId,
const xmlChar * systemId, xmlChar * content )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
xmlParserCtxtPtr p = [parser _xmlParserContext];
id<AQXMLParserDelegate> delegate = parser.delegate;
xmlSAX2EntityDecl( p, name, type, publicId, systemId, content );
NSString * contentStr = NSStringFromXmlChar( content );
NSString * nameStr = NSStringFromXmlChar( name );
if ( [contentStr length] != 0 )
{
if ( [delegate respondsToSelector: @selector(parser:foundInternalEntityDeclarationWithName:value:)] )
[delegate parser: parser foundInternalEntityDeclarationWithName: nameStr value: contentStr];
}
else if ( [parser shouldResolveExternalEntities] )
{
if ( [delegate respondsToSelector: @selector(parser:foundExternalEntityDeclarationWithName:publicID:systemID:)] )
{
NSString * publicIDStr = NSStringFromXmlChar(publicId);
NSString * systemIDStr = NSStringFromXmlChar(systemId);
[delegate parser: parser foundExternalEntityDeclarationWithName: nameStr
publicID: publicIDStr systemID: systemIDStr];
[publicIDStr release];
[systemIDStr release];
}
}
[contentStr release];
[nameStr release];
}
static void __attributeDecl( void * ctx, const xmlChar * elem, const xmlChar * fullname, int type, int def,
const xmlChar * defaultValue, xmlEnumerationPtr tree )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
id<AQXMLParserDelegate> delegate = parser.delegate;
if ( [delegate respondsToSelector: @selector(parser:foundAttributeDeclarationWithName:forElement:type:defaultValue:)] == NO )
return;
NSString * elemStr = NSStringFromXmlChar(elem);
NSString * fullnameStr = NSStringFromXmlChar(fullname);
NSString * defaultStr = NSStringFromXmlChar(defaultValue);
[delegate parser: parser foundAttributeDeclarationWithName: fullnameStr forElement: elemStr
type: AttributeTypeString(type) defaultValue: defaultStr];
[elemStr release];
[fullnameStr release];
[defaultStr release];
}
static void __elementDecl( void * ctx, const xmlChar * name, int type, xmlElementContentPtr content )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
id<AQXMLParserDelegate> delegate = parser.delegate;
if ( [delegate respondsToSelector: @selector(parser:foundElementDeclarationWithName:model:)] == NO )
return;
NSString * nameStr = NSStringFromXmlChar(name);
[delegate parser: parser foundElementDeclarationWithName: nameStr model: @""];
[nameStr release];
}
static void __notationDecl( void * ctx, const xmlChar * name, const xmlChar * publicId, const xmlChar * systemId )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
id<AQXMLParserDelegate> delegate = parser.delegate;
if ( [delegate respondsToSelector: @selector(parser:foundNotationDeclarationWithName:publicID:systemID:)] == NO )
return;
NSString * nameStr = NSStringFromXmlChar(name);
NSString * publicIDStr = NSStringFromXmlChar(publicId);
NSString * systemIDStr = NSStringFromXmlChar(systemId);
[delegate parser: parser foundNotationDeclarationWithName: nameStr
publicID: publicIDStr systemID: systemIDStr];
[nameStr release];
[publicIDStr release];
[systemIDStr release];
}
static void __unparsedEntityDecl( void * ctx, const xmlChar * name, const xmlChar * publicId,
const xmlChar * systemId, const xmlChar * notationName )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
xmlParserCtxtPtr p = [parser _xmlParserContext];
id<AQXMLParserDelegate> delegate = parser.delegate;
xmlSAX2UnparsedEntityDecl( p, name, publicId, systemId, notationName );
if ( [delegate respondsToSelector: @selector(parser:foundUnparsedEntityDeclarationWithName:publicID:systemID:notationName:)] == NO )
return;
NSString * nameStr = NSStringFromXmlChar(name);
NSString * publicIDStr = NSStringFromXmlChar(publicId);
NSString * systemIDStr = NSStringFromXmlChar(systemId);
NSString * notationNameStr = NSStringFromXmlChar(notationName);
[delegate parser: parser foundUnparsedEntityDeclarationWithName: nameStr
publicID: publicIDStr systemID: systemIDStr notationName: notationNameStr];
[nameStr release];
[publicIDStr release];
[systemIDStr release];
[notationNameStr release];
}
static void __startDocument( void * ctx )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
xmlParserCtxtPtr p = [parser _xmlParserContext];
id<AQXMLParserDelegate> delegate = parser.delegate;
const char * encoding = (const char *) p->encoding;
if ( encoding == NULL )
encoding = (const char *) p->input->encoding;
if ( encoding != NULL )
xmlSwitchEncoding( p, xmlParseCharEncoding(encoding) );
xmlSAX2StartDocument( p );
if ( [delegate respondsToSelector: @selector(parserDidStartDocument:)] == NO )
return;
[delegate parserDidStartDocument: parser];
}
static void __endDocument( void * ctx )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
id<AQXMLParserDelegate> delegate = parser.delegate;
if ( [delegate respondsToSelector: @selector(parserDidEndDocument:)] == NO )
return;
[delegate parserDidEndDocument: parser];
}
static NSString* __createCompleteStr(NSString* prefixStr, NSString* localnameStr)
{
if ( [prefixStr length] != 0 ) {
NSMutableString* result = [[NSMutableString alloc] initWithCapacity:[prefixStr length]+[localnameStr length]+1];
[result appendString:prefixStr];
[result appendString:@":"];
[result appendString:localnameStr];
return result;
} else
return [localnameStr retain];
}
static NSString* __elementName(BOOL processNS, NSString* localnameStr, NSString* completeStr)
{
NSString* elementName =processNS ? localnameStr : completeStr;
if (!elementName) elementName = localnameStr;
return elementName;
}
static NSString* __qualifiedName(BOOL processNS, NSString* completeStr)
{
NSString* qualifiedName = completeStr;
if (!processNS) qualifiedName = 0;
return qualifiedName;
}
static NSString* __createUriStr(BOOL processNS, const xmlChar* URI)
{
NSString * uriStr = nil;
if ( processNS ) {
uriStr = NSStringFromXmlChar(URI);
if (uriStr == 0)
uriStr = @"";
}
return uriStr;
}
static void __endElementNS( void * ctx, const xmlChar * localname, const xmlChar * prefix, const xmlChar * URI )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
id<AQXMLParserDelegate> delegate = parser.delegate;
BOOL processNS = [parser shouldProcessNamespaces];
NSString * prefixStr = NSStringFromXmlChar(prefix);
NSString * localnameStr = NSStringFromXmlChar(localname);
NSString * completeStr = __createCompleteStr(prefixStr,localnameStr);
NSString* elementName = __elementName(processNS,localnameStr,completeStr);
NSString* qualifiedName = __qualifiedName(processNS,completeStr);
NSString * uriStr = __createUriStr(processNS,URI);
if ( [delegate respondsToSelector: @selector(parser:didEndElement:namespaceURI:qualifiedName:)] )
{
if ( prefixStr != nil )
{
if ( (completeStr == nil) && (uriStr == nil) )
uriStr = @"";
}
[delegate parser: parser didEndElement: elementName
namespaceURI: uriStr qualifiedName: qualifiedName];
}
[parser _popNamespaces];
[prefixStr release];
[localnameStr release];
[completeStr release];
[uriStr release];
}
static void __processingInstruction( void * ctx, const xmlChar * target, const xmlChar * data )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
id<AQXMLParserDelegate> delegate = parser.delegate;
if ( [delegate respondsToSelector: @selector(parser:foundProcessingInstructionWithTarget:data:)] == NO )
return;
NSString * targetStr = NSStringFromXmlChar(target);
NSString * dataStr = NSStringFromXmlChar(data);
[delegate parser: parser foundProcessingInstructionWithTarget: targetStr data: dataStr];
[targetStr release];
[dataStr release];
}
static void __cdataBlock( void * ctx, const xmlChar * value, int len )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
id<AQXMLParserDelegate> delegate = parser.delegate;
if ( [delegate respondsToSelector: @selector(parser:foundCDATA:)] == NO )
return;
NSData * data = [[NSData allocWithZone: nil] initWithBytes: value length: len];
[delegate parser: parser foundCDATA: data];
[data release];
}
static void __comment( void * ctx, const xmlChar * value )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
id<AQXMLParserDelegate> delegate = parser.delegate;
if ( [delegate respondsToSelector: @selector(parser:foundComment:)] == NO )
return;
NSString * commentStr = NSStringFromXmlChar(value);
[delegate parser: parser foundComment: commentStr];
[commentStr release];
}
static void __errorCallback( void * ctx, const char * msg, ... )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
xmlParserCtxtPtr p = [parser _xmlParserContext];
id<AQXMLParserDelegate> delegate = parser.delegate;
_AQXMLParserInternal * info = [parser _info];
if (info->reportedError)
return;
if ( [delegate respondsToSelector: @selector(parser:parseErrorOccurred:)] == NO )
return;
info->reportedError = YES;
[delegate parser: parser parseErrorOccurred: [NSError errorWithDomain: NSXMLParserErrorDomain
code: p->errNo
userInfo: nil]];
}
static void __structuredErrorFunc( void * ctx, xmlErrorPtr errorData )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
id<AQXMLParserDelegate> delegate = parser.delegate;
_AQXMLParserInternal * info = [parser _info];
if (info->reportedError)
return;
if ( [delegate respondsToSelector: @selector(parser:parseErrorOccurred:)] == NO )
return;
int code = info->delegateAborted ? 0x200 : errorData->code;
info->reportedError = YES;
[delegate parser: parser parseErrorOccurred: [NSError errorWithDomain: NSXMLParserErrorDomain
code: code
userInfo: nil]];
}
static xmlEntityPtr __getEntity( void * ctx, const xmlChar * name )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
xmlParserCtxtPtr p = [parser _xmlParserContext];
id<AQXMLParserDelegate> delegate = parser.delegate;
xmlEntityPtr entity = xmlGetPredefinedEntity( name );
if ( entity != NULL )
return ( entity );
entity = xmlSAX2GetEntity( p, name );
if ( entity != NULL )
{
if ( p->instate & XML_PARSER_MISC|XML_PARSER_PI|XML_PARSER_DTD )
p->_private = (void *) 1;
return ( entity );
}
if ( [delegate respondsToSelector: @selector(parser:resolveExternalEntityName:systemID:)] == NO )
return ( NULL );
NSString * nameStr = NSStringFromXmlChar(name);
NSData * data = [delegate parser: parser resolveExternalEntityName: nameStr systemID: nil];
if ( data == nil )
return ( NULL );
if ( p->myDoc == NULL )
return ( NULL );
// got a string for the (parsed/resolved) entity, so just hand that in as characters directly
NSString * str = [[NSString alloc] initWithData: data encoding: NSUTF8StringEncoding];
const char * ch = [str UTF8String];
__characters( ctx, (const xmlChar *)ch, strlen(ch) );
[str release];
return ( NULL );
}
static void __startElementNS( void * ctx, const xmlChar *localname, const xmlChar *prefix,
const xmlChar *URI, int nb_namespaces, const xmlChar **namespaces,
int nb_attributes, int nb_defaulted, const xmlChar **attributes)
{
AQXMLParser * parser = (AQXMLParser *) ctx;
id<AQXMLParserDelegate> delegate = [parser delegate];
BOOL processNS = [parser shouldProcessNamespaces];
BOOL reportNS = [parser shouldReportNamespacePrefixes];
NSString * prefixStr = NSStringFromXmlChar(prefix);
NSString * localnameStr = NSStringFromXmlChar(localname);
NSString* completeStr = __createCompleteStr(prefixStr,localnameStr);
NSString* elementName = __elementName(processNS,localnameStr,completeStr);
NSString* qualifiedName = __qualifiedName(processNS,completeStr);
NSString * uriStr = __createUriStr(processNS,URI);
NSMutableDictionary * attrDict = [[NSMutableDictionary alloc] initWithCapacity: nb_attributes + nb_namespaces];
NSMutableDictionary * nsDict = nil;
if ( reportNS )
nsDict = [[NSMutableDictionary alloc] initWithCapacity: nb_namespaces];
int i;
for ( i = 0; i < (nb_namespaces * 2); i += 2 )
{
NSString * namespaceStr = nil;
NSString * qualifiedStr = nil;
if ( namespaces[i] == NULL )
{
qualifiedStr = @"xmlns";
namespaceStr = @"";
}
else
{
namespaceStr = NSStringFromXmlChar(namespaces[i]);
qualifiedStr = [[NSString alloc] initWithFormat: @"xmlns:%@", namespaceStr];
}
NSString * val = nil;
if ( namespaces[i+1] != NULL )
val = NSStringFromXmlChar(namespaces[i+1]);
else
val = @"";
[nsDict setObject: val forKey: namespaceStr];
if (!processNS)
[attrDict setObject: val forKey: qualifiedStr];
[namespaceStr release];
[qualifiedStr release];
[val release];
}
if ( reportNS )
[parser _pushNamespaces: nsDict];
[nsDict release];
for ( i = 0; i < (nb_attributes * 5); i += 5 )
{
if ( attributes[i] == NULL )
continue;
NSString * attrLocalName = NSStringFromXmlChar(attributes[i]);
NSString * attrPrefix = nil;
if ( attributes[i+1] != NULL )
attrPrefix = NSStringFromXmlChar(attributes[i+1]);
NSString * attrQualified = nil;
if ( [attrPrefix length] != 0 )
attrQualified = [[NSString alloc] initWithFormat: @"%@:%@", attrPrefix, attrLocalName];
else
attrQualified = [attrLocalName retain];
[attrPrefix release];
NSString * attrValue = @"";
if ( (attributes[i+3] != NULL) && (attributes[i+4] != NULL) )
{
NSUInteger length = attributes[i+4] - attributes[i+3];
attrValue = [[NSString alloc] initWithBytes: attributes[i+3]
length: length
encoding: NSUTF8StringEncoding];
}
[attrDict setObject: attrValue forKey: attrQualified];
[attrLocalName release];
[attrQualified release];
[attrValue release];
}
if ( [delegate respondsToSelector: @selector(parser:didStartElement:namespaceURI:qualifiedName:attributes:)] )
{
[delegate parser: parser
didStartElement: elementName
namespaceURI: uriStr
qualifiedName: qualifiedName
attributes: attrDict];
}
[localnameStr release];
[prefixStr release];
[uriStr release];
[completeStr release];
[attrDict release];
}
static void __startElement( void * ctx, const xmlChar * name, const xmlChar ** attrs )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
id<AQXMLParserDelegate> delegate = [parser delegate];
if ( [delegate respondsToSelector: @selector(parser:didStartElement:namespaceURI:qualifiedName:attributes:)] == NO )
return;
NSString * nameStr = NSStringFromXmlChar(name);
NSMutableDictionary * attrDict = [[NSMutableDictionary alloc] init];
if ( attrs != NULL )
{
while ( *attrs != NULL )
{
NSString * keyStr = NSStringFromXmlChar(*attrs);
attrs++;
NSString * valueStr = NSStringFromXmlChar(*attrs);
attrs++;
if ( (keyStr != nil) && (valueStr != nil) )
[attrDict setObject: valueStr forKey: keyStr];
[keyStr release];
[valueStr release];
}
}
[delegate parser: parser
didStartElement: nameStr
namespaceURI: nil
qualifiedName: nil
attributes: attrDict];
[nameStr release];
[attrDict release];
}
static void __endElement( void * ctx, const xmlChar * name )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
id<AQXMLParserDelegate> delegate = [parser delegate];
if ( [delegate respondsToSelector: @selector(parser:didEndElement:namespaceURI:qualifiedName:)] == NO )
return;
NSString * nameStr = NSStringFromXmlChar(name);
[delegate parser: parser didEndElement: nameStr namespaceURI: nil qualifiedName: nil];
[nameStr release];
}
static void __ignorableWhitespace( void * ctx, const xmlChar * ch, int len )
{
AQXMLParser * parser = (AQXMLParser *) ctx;
id<AQXMLParserDelegate> delegate = [parser delegate];
if ( [delegate respondsToSelector: @selector(parser:foundIgnorableWhitespace:)] == NO )
return;
NSString * str = [[NSString allocWithZone: nil] initWithBytes: ch
length: len
encoding: NSUTF8StringEncoding];
[delegate parser: parser foundCharacters: str];
[str release];
}
#pragma mark -
@implementation AQXMLParser
@synthesize delegate=_delegate;
@synthesize progressDelegate=_progressDelegate;
- (id) initWithStream: (NSInputStream *) stream
{
if ( [super init] == nil )
return ( nil );
_internal = [[_AQXMLParserInternal alloc] init];
#if TARGET_OS_IPHONE
_internal->saxHandler = NSZoneMalloc( [self zone], sizeof(struct _xmlSAXHandler) );
#else
_internal->saxHandler = NSAllocateCollectable( sizeof(struct _xmlSAXHandler), 0 );
#endif
_internal->parserContext = NULL;
_internal->error = nil;
_stream = [stream retain];
if ( _internal->expectedDataLength != 0.0 )
[self _setupExpectedLength];
[self _initializeSAX2Callbacks];
return ( self );
}
- (id) initWithResultOfURLRequest:(NSURLRequest*)request
{
_AQNSURLConnectionStream* stream = [[[_AQNSURLConnectionStream alloc] initWithRequest:request] autorelease];
return [self initWithStream:stream];
}
- (id)initWithContentsOfURL:(NSURL *)url
{
#if 0
CFStringRef requestMethod = (CFStringRef)@"GET";
CFHTTPMessageRef myRequest = CFHTTPMessageCreateRequest(kCFAllocatorDefault,
requestMethod, (CFURLRef)url, kCFHTTPVersion1_1);
//CFHTTPMessageSetBody(myRequest, bodyData);
//CFHTTPMessageSetHeaderFieldValue(myRequest, headerField, value);
CFHTTPMessageSetHeaderFieldValue(myRequest, CFSTR("Accept-Encoding"), CFSTR("gzip, deflate"));
CFReadStreamRef myReadStream = CFReadStreamCreateForHTTPRequest(kCFAllocatorDefault, myRequest);
CFReadStreamOpen(myReadStream);
id result = [self initWithStream:(NSInputStream*)myReadStream];
CFRelease(myReadStream);
return result;
#else
NSURLRequest* request = [NSURLRequest requestWithURL:url];
return [self initWithResultOfURLRequest:request];
#endif
}
- (id) initWithData: (NSData *) data
{
NSInputStream * stream = [[NSInputStream alloc] initWithData: data];
id result = [self initWithStream: stream];
_internal->expectedDataLength = (float) [data length];
[stream release];
return ( result );
}
- (void) dealloc
{
[_internal->error release];
[_internal->namespaces release];
NSZoneFree( nil, _internal->saxHandler );
if ( _internal->parserContext != NULL )
{
if ( self.HTMLMode )
{
htmlFreeParserCtxt( _internal.htmlParserContext );
}
else // XML mode
{
xmlParserCtxtPtr p = _internal.xmlParserContext;
if ( p->myDoc != NULL )
xmlFreeDoc( p->myDoc );
xmlFreeParserCtxt( _internal->parserContext );
}
}