WARNING: This library is no longer maintained because something wonderful has come along. Try to enjoy: Lexbor.
a simple wrapper for crystal-xml and myhtml
- gateway pattern : suppress errors until values are referenced
- handy accessors : provide useful extractors and conversions
- crystal: 0.23.x
Add this to your application's shard.yml:
dependencies:
hq:
github: maiha/hq.cr
version: 0.2.3require "hq"
node = Hq.parse("<html><body><div>82 users</div></body></html>")
node.xpath("/html/body/div").text # => "82 users"
node.xpath("/html/body/div").int # => 82
node.xpath("/html/body/nav").int? # => nil
node.xpath("/html/body").path # => "/html/body"
node.xpath("/html/div").text # raise Hq::NotFound.new(key: "/html/div")- css selector
nodes = Hq::Css.parse <<-EOF
<ul>
<li>foo</li>
<li>bar</li>
</ul>
EOF
nodes.css("li").map(&.text) # => ["foo", "bar"]- node attributes
nodes = Hq::Css.parse <<-EOF
<a href="https://github.com/crystal-lang/crystal" class="official">crystal</a>
<a href="https://github.com/maiha/hq.cr">hq.cr</a>
EOF
nodes.css("a").each do |a|
p [a["href"], a["class"]?]
end
# => ["https://github.com/crystal-lang/crystal", "official"]
# => ["https://github.com/maiha/hq.cr", nil]- support
css(tag)
- support
css(tag_with_class) - support
Css::Node#attributes
- support
Hq.mappinglikejq.cr
- Fork it ( https://github.com/maiha/hq.cr/fork )
- Create your feature branch (git checkout -b my-new-feature)
- Commit your changes (git commit -am 'Add some feature')
- Push to the branch (git push origin my-new-feature)
- Create a new Pull Request
- maiha maiha - creator, maintainer