mattt/Ono

pod 'Ono'

import Foundation
import Ono

guard let url = Bundle.main.url(forResource: "nutrition", withExtension: "xml"),
    let data = try? Data(contentsOf: url) else
{
    fatalError("Missing resource: nutrition.xml")
}

let document = try ONOXMLDocument(data: data)
document.rootElement.tag

for element in document.rootElement.children.first?.children ?? [] {
    let nutrient = element.tag
    let amount = element.numberValue!
    let unit = element.attributes["units"]!

    print("- \(amount)\(unit) \(nutrient)")
}

document.enumerateElements(withXPath: "//food/name") { (element, _, _) in
    print(element)
}

document.enumerateElements(withCSS: "food > serving[units]") { (element, _, _) in
    print(element)
}

#import "Ono.h"

NSData *data = ...;
NSError *error;

ONOXMLDocument *document = [ONOXMLDocument XMLDocumentWithData:data error:&error];
for (ONOXMLElement *element in document.rootElement.children) {
    NSLog(@"%@: %@", element.tag, element.attributes);
}

// Support for Namespaces
NSString *author = [[document.rootElement firstChildWithTag:@"creator" inNamespace:@"dc"] stringValue];

// Automatic Conversion for Number & Date Values
NSDate *date = [[document.rootElement firstChildWithTag:@"created_at"] dateValue]; // ISO 8601 Timestamp
NSInteger numberOfWords = [[[document.rootElement firstChildWithTag:@"word_count"] numberValue] integerValue];
BOOL isPublished = [[[document.rootElement firstChildWithTag:@"is_published"] numberValue] boolValue];

// Convenient Accessors for Attributes
NSString *unit = [document.rootElement firstChildWithTag:@"Length"][@"unit"];
NSDictionary *authorAttributes = [[document.rootElement firstChildWithTag:@"author"] attributes];

// Support for XPath & CSS Queries
[document enumerateElementsWithXPath:@"//Content" usingBlock:^(ONOXMLElement *element, NSUInteger idx, BOOL *stop) {
    NSLog(@"%@", element);
}];