# Example: basic usagerequire "../src/myhtml"puts Myhtml.versionpage = "<html><div class=aaa>bla</div></html>"myhtml = Myhtml::Parser.new(page)# html nodemyhtml.root # (.html) Myhtml::Node?myhtml.root! # (.html!) Myhtml::Node# body nodemyhtml.body # Myhtml::Node?myhtml.body! # Myhtml::Node# head nodemyhtml.head # Myhtml::Node?myhtml.head! # Myhtml::Node# iterator over all div nodes from root scope# equal with myhtml.root!.scope.nodes(:div)myhtml.nodes(Myhtml::Lib::MyhtmlTags::MyHTML_TAG_DIV) # Iterator::Collection(Myhtml::Node)myhtml.nodes(:div) # Iterator::Collection(Myhtml::Node)myhtml.nodes("div") # Iterator::Collection(Myhtml::Node)node = myhtml.nodes(:div).first # Myhtml::Node# methods:pp node.tag_id # => MyHTML_TAG_DIVpp node.tag_sym # => :divpp node.tag_name # => "div"pp node.is_tag_div? # => truepp node.attribute_by("class") # => "aaa"pp node.attributes # => {"class" => "aaa"}pp node.to_html # => "<div class=\"aaa\">bla</div>"pp node.inner_text # => "bla"pp node # => Myhtml::Node(:div, {"class" => "aaa"})# tree navigate methods (methods with !, returns not_nil! node):node.child # Myhtml::Node?, first child of nodenode.next # Myhtml::Node?, next node in the parent scopenode.parent # Myhtml::Node?, parent nodenode.prev # Myhtml::Node?, previous node in the parent scopenode.left # Myhtml::Node?, left node, in the html, from currentnode.right # Myhtml::Node?, right node, in the html, from currentnode.flat_right # Myhtml::Node?, right node, in the html, from current, without node.children# iterators:node.children # Iterator::Collection(Myhtml::Node), iterate over all direct node childrennode.parents # Iterator::Collection(Myhtml::Node), iterate over all node parents from current to root! nodenode.scope # Iterator::Collection(Myhtml::Node), iterate over all inner nodes (children and deeper)node.right_iterator # Iterator::Collection(Myhtml::Node), iterate from current node to right (to the end of document)node.left_iterator # Iterator::Collection(Myhtml::Node), iterate from current node to left (to the root! node)node.scope.nodes(:a) # Iterator::Collection(Myhtml::Node), select :a nodes in scope of `node`# free myhtml c object,# not really needed to call manyally, because called auto from GC finalize, when object not used anymore# use it only if need to free memory fast# after free any other child object like Myhtml::Node or Iterator::Collection(Myhtml::Node) not valid anymore and can lead to segfaultmyhtml.free