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OpalXMLEvent.m
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OpalXMLEvent.m
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//
// OpalXMLEvent.m
// Opal
//
// Created by Christian Niles on 5/8/10.
// Copyright 2010 Christian Niles. All rights reserved.
//
#import "OpalXMLEvent.h"
#import "RegexKitLite.h"
@implementation OpalXMLEvent
@synthesize type;
@synthesize tagName;
@synthesize content;
@synthesize attributes;
@synthesize version;
@synthesize encoding;
@synthesize standalone;
- (void)dealloc
{
[tagName release];
[content release];
[attributes release];
[version release];
[encoding release];
[super dealloc];
}
- (BOOL)isContent
{
switch (self.type) {
case OPAL_TEXT_EVENT:
if ([self isWhitespace]) return NO;
case OPAL_START_TAG_EVENT:
case OPAL_END_TAG_EVENT:
return YES;
default:
return NO;
}
}
// ===== START DOCUMENT ================================================================================================
+ (OpalXMLEvent *)startDocumentEvent
{
return [[[self alloc] initStartDocumentEvent] autorelease];
}
+ (OpalXMLEvent *)startDocumentEventWithEncoding:(NSString *)encoding
{
return [[[self alloc] initStartDocumentEventWithEncoding:encoding] autorelease];
}
+ (OpalXMLEvent *)startDocumentEventWithVersion:(NSString *)version encoding:(NSString *)encoding standalone:(BOOL)standalone
{
return [[[self alloc] initStartDocumentEventWithVersion:version encoding:encoding standalone:standalone] autorelease];
}
- (id)initStartDocumentEvent
{
return [self initStartDocumentEventWithVersion:@"1.0" encoding:nil standalone:YES];
}
- (id)initStartDocumentEventWithEncoding:(NSString *)xmlEncoding
{
return [self initStartDocumentEventWithVersion:@"1.0" encoding:xmlEncoding standalone:YES];
}
- (id)initStartDocumentEventWithVersion:(NSString *)xmlVersion encoding:(NSString *)xmlEncoding standalone:(BOOL)isStandalone
{
if (self = [super init]) {
type = OPAL_START_DOCUMENT_EVENT;
version = [xmlVersion copy];
encoding = [xmlEncoding copy];
standalone = isStandalone;
}
return self;
}
- (BOOL)isStartDocument
{
return self.type == OPAL_START_DOCUMENT_EVENT;
}
// ===== END DOCUMENT ==================================================================================================
+ (OpalXMLEvent *)endDocumentEvent
{
return [[[self alloc] initEndDocumentEvent] autorelease];
}
- (id)initEndDocumentEvent
{
if (self = [super init]) {
type = OPAL_END_DOCUMENT_EVENT;
}
return self;
}
- (BOOL)isEndDocument
{
return self.type == OPAL_END_DOCUMENT_EVENT;
}
// ===== START TAG =====================================================================================================
+ (OpalXMLEvent *)startTagEventWithTagName:(NSString *)tagName andAttributes:(NSDictionary *)attributes
{
return [[[self alloc] initStartTagEventWithTagName:tagName andAttributes:attributes] autorelease];
}
- (id)initStartTagEventWithTagName:(NSString *)startTagName andAttributes:(NSDictionary *)tagAttributes
{
if (self = [super init]) {
type = OPAL_START_TAG_EVENT;
tagName = [startTagName copy];
attributes = [tagAttributes copy];
}
return self;
}
- (BOOL)isStartTag
{
return self.type == OPAL_START_TAG_EVENT;
}
- (NSString *)valueForAttribute:(NSString *)attributeName
{
if (attributes) {
return [attributes objectForKey:attributeName];
} else {
return nil;
}
}
// ===== END TAG =======================================================================================================
+ (OpalXMLEvent *)endTagEventWithTagName:(NSString *)endTagName
{
return [[[self alloc] initEndTagEventWithTagName:endTagName] autorelease];
}
- (id)initEndTagEventWithTagName:(NSString *)endTagName
{
if (self = [super init]) {
type = OPAL_END_TAG_EVENT;
tagName = [endTagName copy];
}
return self;
}
- (BOOL)isEndTag
{
return self.type == OPAL_END_TAG_EVENT;
}
// ===== TEXT ==========================================================================================================
+ (OpalXMLEvent *)textEventWithContent:(NSString *)textContent
{
return [[[OpalXMLEvent alloc] initTextEventWithContent:textContent] autorelease];
}
- (id)initTextEventWithContent:(NSString *)textContent
{
if (self = [super init]) {
type = OPAL_TEXT_EVENT;
content = [textContent copy];
}
return self;
}
- (BOOL)isText
{
return self.type == OPAL_TEXT_EVENT;
}
- (BOOL)isWhitespace
{
return [self isText] && [content isMatchedByRegex:@"^[\\x09\\x0A\\x0D\\x20]*$"];
}
// ===== COMMENTS ======================================================================================================
+ (OpalXMLEvent *)commentEventWithContent:(NSString *)comment
{
return [[[OpalXMLEvent alloc] initCommentEventWithContent:comment] autorelease];
}
- (id)initCommentEventWithContent:(NSString *)comment
{
if (self = [super init]) {
type = OPAL_COMMENT_EVENT;
content = [comment copy];
}
return self;
}
- (BOOL)isComment
{
return self.type == OPAL_COMMENT_EVENT;
}
@end