我打算開發一個應用程序,以便根據用戶輸入從文件中檢索部分xml數據。我的代碼適用於檢索xml文件的內容,但我無法弄清楚要求解析器給我所有元素(例如攝入名稱=「TMF1202」)的最佳方式...用戶將給進名作爲輸入和解析器將檢索只存在於攝入標籤的元素,這是我的解析器代碼:過濾XML解析器數據
#import "Parser.h"
#import "TimeTableViewController.h"
@implementation Parser
@synthesize currentElementPointer, rootElement;
-(id)initParser
{
if(self = [super init]) {
tvc = (TimeTableViewController*)[[UIApplication sharedApplication]delegate];
}
return self;
}
-(void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict
{
if(self.rootElement == nil) {
self.rootElement = [[List alloc]init];
self.currentElementPointer = self.rootElement;
} else {
List *newList = [[List alloc]init];
newList.parent = self.currentElementPointer;
[self.currentElementPointer.subElements addObject:newList];
self.currentElementPointer = newList;
}
self.currentElementPointer.name = elementName;
self.currentElementPointer.attributes = attributeDict;
// theList.intake = [[attributeDict objectForKey:@"name"]stringValue];
}
-(void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string
{
if([self.currentElementPointer.text length] > 0) {
self.currentElementPointer.text = [self.currentElementPointer.text stringByAppendingString:string];
} else {
self.currentElementPointer.text = string;
}
}
-(void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName
{
self.currentElementPointer = self.currentElementPointer.parent;
}
@end
這是我的XML文件的結構:
儘管它已被提到不是說感謝評論,我無法拒絕不這樣說,如此慷慨明確的答案。完成羅布。 – Ben