Kanna(鉋)

Kanna(鉋) is an XML/HTML parser for cross-platform(macOS, iOS, tvOS, watchOS and Linux!).

It was inspired by Nokogiri(鋸).

ℹ️ Documentation

Features:

XPath 1.0 support for document searching
CSS3 selector support for document searching
Support for namespaces
Comprehensive test suite

Installation:

Swift 3.0

#####CocoaPods ⚠️ CocoaPods (1.1.0 or later) is required.

Adding it to your Podfile:

use_frameworks!
pod 'Kanna', '~> 2.1.0'

#####Carthage Adding it to your Cartfile:

github "tid-kijyun/Kanna" ~> 2.1.0

In the project settings add $(SDKROOT)/usr/include/libxml2 to the "header search paths" field

#####Swift Package Manager

Installing libxml2 to your computer:

// macOS
$ brew install libxml2
$ brew link --force libxml2

// Linux(Ubuntu)
$ sudo apt-get install libxml2-dev

Adding it to your Package.swift:

import PackageDescription

let package = Package(
    name: "YourProject",
    
    dependencies: [
        .Package(url: "https://github.com/tid-kijyun/Kanna.git", majorVersion: 2)
    ]
)

$ swift build

Swift 2.x

Three means of installation are supported:

#####CocoaPods ⚠️ CocoaPods (0.39 or later) is required.

Adding it to your Podfile:

use_frameworks!
pod 'Kanna', '~> 1.1.0'

#####Carthage Adding it to your Cartfile:

github "tid-kijyun/Kanna" ~> 1.1.0

#####Manual Installation

Add these files to your project:
Kanna.swift
CSS.swift
libxmlHTMLDocument.swift
libxmlHTMLNode.swift
libxmlParserOption.swift
In the target settings add $(SDKROOT)/usr/include/libxml2 to the Search Paths > Header Search Paths field
In the target settings add -lxml2 to the Linking > Other Linker Flags field
Import libxml headers:

Copy the those import statements:

#import <libxml/HTMLtree.h>
#import <libxml/xpath.h>
#import <libxml/xpathInternals.h>

and paste them into your [Modulename]-Bridging-Header.h

Note: With manual installation, this library doesn't need to be imported, or namespace-qualified in your code.

Synopsis:

import Kanna

let html = "<html>...</html>"

if let doc = HTML(html: html, encoding: .utf8) {
    print(doc.title)
    
    // Search for nodes by CSS
    for link in doc.css("a, link") {
        print(link.text)
        print(link["href"])
    }
    
    // Search for nodes by XPath
    for link in doc.xpath("//a | //link") {
        print(link.text)
        print(link["href"])
    }
}

let xml = "..."
if let doc = Kanna.XML(xml: xml, encoding: .utf8) {
    let namespaces = [
                    "o":  "urn:schemas-microsoft-com:office:office",
                    "ss": "urn:schemas-microsoft-com:office:spreadsheet"
                ]
    if let author = doc.at_xpath("//o:Author", namespaces: namespaces) {
        print(author.text)
    }
}

License:

The MIT License. See the LICENSE file for more infomation.