Re: xml parsing
Re: xml parsing
- Subject: Re: xml parsing
- From: Alexander von Below <email@hidden>
- Date: Wed, 01 Apr 2009 19:17:19 +0200
The basic problem is, that parser:foundCharacters: is not called for
"id", because id is an ATTRIBUTE, not a NODE VALUE. You need to
retrieve the ID from the attributeDict that is passed on parser
didStartElement:namespaceURI:qualifiedName:attributes:
But you should also consider using NSXMLDocument and XPath if you are
developing for 10.4 and up
Alex
Am 01.04.2009 um 15:01 schrieb developers mac:
Hi there, I have to parse a xml & return the values for val & id
(attribute). I have pasted a sample xml below. <response> <field>
<values> <val id="AL"> Alabama</val> . . . <val id="WY">Wyoming</
val> </values> </field> <field> <values> <val id="1">Australia</
val> . . . <val id="150">Zambia</val> </values> </field> </response>
I am able to retrieve the val(Alabama, Austalia...) & display it in
a table view. I need to get the attribute values (AL, 1) - to know
which val has been selected. I need to get the attribute value. but
i am not sure to get the attribute value according to the click of
the val. Can some help me to get through this one please!!!! Also i
am able to get the attribute values in didstartelement of xml parser
by : tagid = [attributeDict objectForKey:@"id"]; But I am not aware
of how to add this value to a array something similar to : -
(void)parser:(NSXMLParser *)parser didStartElement:(NSString
*)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:
(NSString *)qName attributes:(NSDictionary
*)attributeDict{ currentElement = [elementName copy]; if
([elementName isEqualToString:@"val"]) { item =
[[NSMutableDictionary alloc] init]; tagid = [attributeDict
objectForKey:@"id"]; ( I am getting all the values of attribute
here) } } - (void)parser:(NSXMLParser *)parser didEndElement:
(NSString *)elementName namespaceURI:(NSString *)namespaceURI
qualifiedName:(NSString *)qName{ if ([elementName
isEqualToString:@"val"]) { [item setObject:errorcode forKey:@"val"];
[item setObject:obtID forKey:@"Id"]; [item objectForKey:@"id"];
[stories addObject:[item copy]]; } } - (void)parser:(NSXMLParser
*)parser foundCharacters:(NSString *)string{ if ([currentElement
isEqualToString:@"val"]){ [errorcode appendString:string]; } else if
([currentElement isEqualToString:@"Id"]) { obtrowid = string; [obtID
appendString:string]; } } I need to retrieve the values of -
(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:
(NSIndexPath *)indexPath { int storyIndex = [indexPath
indexAtPosition: [indexPath length] - 1]; retselval = [[stories
objectAtIndex: storyIndex] objectForKey: @"val"]; //retseltag =
[dupattr objectForKey:@"id"]; ( This is where I am trying to read
the attribute values) }
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