VoiceMac/Classes/VoiceBase/XML/MGMXMLDocument.m

79 lines
3.0 KiB
Objective-C

//
// MGMXMLDocument.m
// MGMXML
//
// Created by Mr. Gecko on 9/22/10.
// Copyright (c) 2011 Mr. Gecko's Media (James Coleman). http://mrgeckosmedia.com/
//
// Permission to use, copy, modify, and/or distribute this software for any purpose
// with or without fee is hereby granted, provided that the above copyright notice
// and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT,
// OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
// DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
// ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
#import "MGMXMLDocument.h"
#import "MGMXMLElement.h"
#import <libxml/HTMLtree.h>
#import <libxml/HTMLparser.h>
@implementation MGMXMLDocument
- (id)initWithXMLString:(NSString *)string options:(NSUInteger)mask error:(NSError **)error {
NSData *data = [string dataUsingEncoding:NSUTF8StringEncoding];
return [self initWithData:data options:mask error:error];
}
- (id)initWithContentsOfURL:(NSURL *)url options:(NSUInteger)mask error:(NSError **)error {
NSData *data = [NSData dataWithContentsOfURL:url];
return [self initWithData:data options:mask error:error];
}
- (id)initWithData:(NSData *)data options:(NSUInteger)mask error:(NSError **)error {
if ((self = [super init])) {
if (data==nil || [data length]<=0) {
if (error!=nil) *error = [NSError errorWithDomain:MGMXMLErrorDomain code:0 userInfo:[NSDictionary dictionaryWithObject:@"Data has no length." forKey:NSLocalizedDescriptionKey]];
[self release];
self = nil;
} else {
xmlKeepBlanksDefault(0);
xmlDocPtr document = NULL;
if (mask & MGMXMLDocumentTidyHTML) {
document = htmlReadMemory([data bytes], [data length], NULL, NULL, XML_PARSE_RECOVER | HTML_PARSE_NONET);
} else {
document = xmlParseMemory([data bytes], [data length]);
}
if (document==NULL) {
if (error!=nil) *error = [NSError errorWithDomain:MGMXMLErrorDomain code:1 userInfo:[NSDictionary dictionaryWithObject:@"Unable to parse document." forKey:NSLocalizedDescriptionKey]];
[self release];
self = nil;
} else {
[self setTypeXMLPtr:(xmlTypPtr)document];
}
}
}
return self;
}
- (void)setRootElement:(MGMXMLNode *)root {
if ([root kind]==MGMXMLNamespaceKind)
return;
xmlDocSetRootElement(MGMXMLDocPtr, (xmlNodePtr)[root commonXML]);
}
- (MGMXMLElement *)rootElement {
xmlNodePtr element = xmlDocGetRootElement(MGMXMLDocPtr);
if (element!=NULL)
return [MGMXMLElement nodeWithTypeXMLPtr:(xmlTypPtr)element];
return nil;
}
- (NSData *)XMLData {
return [[self XMLStringWithOptions:0] dataUsingEncoding:NSUTF8StringEncoding];
}
- (NSData *)XMLDataWithOptions:(NSUInteger)options {
return [[self XMLStringWithOptions:options] dataUsingEncoding:NSUTF8StringEncoding];
}
@end