The first working revision.

[dirac/master.git] / Dirac / DiracStatusXMLParser.m

diff --git a/Dirac/DiracStatusXMLParser.m b/Dirac/DiracStatusXMLParser.m
new file mode 100644 (file)
index 0000000..e0550d1
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+++ b/Dirac/DiracStatusXMLParser.m
@@ -0,0 +1,86 @@
+//
+//  DiracStatusXMLParser.m
+//  Dirac
+//
+//  Created by Ichi Kanaya on 11/04/21.
+//  Copyright 2011 大阪大学. All rights reserved.
+//
+
+#import "DiracStatusXMLParser.h"
+
+@implementation DiracStatusXMLParser
+
+@synthesize currentXpath;
+@synthesize statuses;
+@synthesize currentStatus;
+@synthesize textNodeCharacters;
+
+- (id)init {
+    self = [super init];
+    if (self) {
+        // Initialization code here.
+    }
+    return self;
+}
+
+- (void) dealloc {
+    [currentXpath release];
+    [statuses release];
+    [currentStatus release];
+    [textNodeCharacters release];
+    [super dealloc];
+}
+
+- (void)parserDidStartDocument: (NSXMLParser *)parser {
+    self.currentXpath = [[[NSMutableString alloc]init] autorelease];
+    self.statuses = [[[NSMutableArray alloc] init] autorelease];
+}
+
+- (void)parser: (NSXMLParser *)parser didStartElement: (NSString *)elementName namespaceURI: (NSString *)namespaceURI qualifiedName:(NSString *)qName attributes: (NSDictionary *)attributeDict {
+    [self.currentXpath appendString: elementName];
+    [self.currentXpath appendString: @"/"];
+    
+    self.textNodeCharacters = [[[NSMutableString alloc] init] autorelease];
+    
+    if ([self.currentXpath isEqualToString: @"statuses/status/"]) {
+        self.currentStatus = [[[NSMutableDictionary alloc] init] autorelease];
+    }
+}
+
+- (void)parser: (NSXMLParser *)parser didEndElement: (NSString *)elementName namespaceURI: (NSString *)namespaceURI qualifiedName: (NSString *)qName {
+    NSString *textData = [self.textNodeCharacters stringByTrimmingCharactersInSet: [NSCharacterSet whitespaceAndNewlineCharacterSet]];
+    
+    if ([self.currentXpath isEqualToString: @"statuses/status/"]) {
+        [self.statuses addObject: self.currentStatus];
+        self.currentStatus = nil;
+        
+    }
+    else if ([self.currentXpath isEqualToString: @"statuses/status/created_at/"]) {
+        [self.currentStatus setValue: textData forKey: @"created_at"];
+    }
+    else if ([self.currentXpath isEqualToString: @"statuses/status/text/"]) {
+        [self.currentStatus setValue: textData forKey: @"text"];
+        
+    }
+    else if ([self.currentXpath isEqualToString: @"statuses/status/user/name/"]) {
+        [self.currentStatus setValue: textData forKey: @"name"];
+    }
+    
+    unsigned long delLength = [elementName length] + 1;
+    unsigned long delIndex = [self.currentXpath length] - delLength;
+    
+    [self.currentXpath deleteCharactersInRange: NSMakeRange(delIndex, delLength)];
+}
+
+- (void) parser:(NSXMLParser *)parser foundCharacters: (NSString *)string {
+    [self.textNodeCharacters appendString:string];
+}
+
+- (NSArray *)parseStatuses: (NSData *)xmlData {
+    NSXMLParser *parser = [[[NSXMLParser alloc] initWithData:xmlData] autorelease];
+    [parser setDelegate: self];
+    [parser parse];
+    return self.statuses;
+}
+
+@end