struct Lexbor::Node

• Lexbor::Node
• Struct
• Value
• Object

Defined in:

lexbor/node.cr
lexbor/node/attributes.cr
lexbor/node/css.cr
lexbor/node/helpers.cr
lexbor/node/iterators.cr
lexbor/node/navigate.cr
lexbor/node/serialization.cr
lexbor/node/tree_mutation.cr

Constructors

• .new(parser : Lexbor::Parser, element : Lexbor::Lib::DomElementT)

Class Method Summary

• .from_raw(parser, element)

Instance Method Summary

• #[](*args, **options)
• #[](*args, **options, &)
• #[]=(key : String, value : String | Nil)

  Alias for add, remove attribute node["class"] = "red" node["style"] = nil

• #[]?(*args, **options)
• #[]?(*args, **options, &)
• #append_child(child : Node)

  Add a child node to the end

• #attribute_add(key : String, value : String, encoding = nil)

  Add attribute to node

• #attribute_by(key : String) : String | Nil

  Find attribute by key iterate over all attributes to find it if you need to use it multiple times, better to use cached method attributes[key]?

• #attribute_by(slice : Slice(UInt8))
• #attribute_remove(key : String)

  Remove node attribute by key

• #attributes

  Cached Hash(String, String) of attributes allocated only if you call it

• #child
• #child!
• #children

  Children iterator iterate over all node direct children, without going deeper

• #css(rule : String)

  Css selector with string rule in scope on the current node return Lexbor::Iterator::Collection

• #css(filter : CssFilter)

  Css selector with filter in scope on the current node return Lexbor::Iterator::Collection

• #css(arg, &)

  Css select which yielding collection this allows to free collection after block call and not waiting for GC

• #each_attribute(&)
• #fetch(*args, **options)
• #fetch(*args, **options, &)
• #flat_right

  Right neighbour node from current different from #right method by not down to children nodes

• #flat_right!
• #has_key?(*args, **options)
• #has_key?(*args, **options, &)
• #inner_html(io)

  helper method, to get inner html of the node

• #inner_html

  helper method, to get inner html of the node

• #inner_html=(html : String)

  Parse inner html as node content

• #inner_pretty_html(io)

  helper method, to get inner html of the node in pretty format

• #inner_pretty_html

  helper method, to get inner html of the node in pretty format

• #inner_text(join_with : String | Char | Nil = nil, deep = true)
• #inner_text=(text : String)

  Helper method to add inner text to node

• #insert_after(node : Node)

  Add a sibling node after this node

• #insert_before(node : Node)

  Add a sibling node before this node

• #inspect(io : IO)

  Node Inspect puts node.inspect # => Lexbor::Node(:div, {"class" => "aaa"})

• #is_comment?
• #is_tag__document?
• #is_tag__em_comment?
• #is_tag__em_doctype?
• #is_tag__end_of_file?
• #is_tag__last_entry?
• #is_tag__text?
• #is_tag__undef?
• #is_tag_a?
• #is_tag_abbr?
• #is_tag_acronym?
• #is_tag_address?
• #is_tag_altglyph?
• #is_tag_altglyphdef?
• #is_tag_altglyphitem?
• #is_tag_animatecolor?
• #is_tag_animatemotion?
• #is_tag_animatetransform?
• #is_tag_annotation_xml?
• #is_tag_applet?
• #is_tag_area?
• #is_tag_article?
• #is_tag_aside?
• #is_tag_audio?
• #is_tag_b?
• #is_tag_base?
• #is_tag_basefont?
• #is_tag_bdi?
• #is_tag_bdo?
• #is_tag_bgsound?
• #is_tag_big?
• #is_tag_blink?
• #is_tag_blockquote?
• #is_tag_body?
• #is_tag_br?
• #is_tag_button?
• #is_tag_canvas?
• #is_tag_caption?
• #is_tag_center?
• #is_tag_cite?
• #is_tag_clippath?
• #is_tag_code?
• #is_tag_col?
• #is_tag_colgroup?
• #is_tag_data?
• #is_tag_datalist?
• #is_tag_dd?
• #is_tag_del?
• #is_tag_desc?
• #is_tag_details?
• #is_tag_dfn?
• #is_tag_dialog?
• #is_tag_dir?
• #is_tag_div?
• #is_tag_dl?
• #is_tag_dt?
• #is_tag_em?
• #is_tag_embed?
• #is_tag_feblend?
• #is_tag_fecolormatrix?
• #is_tag_fecomponenttransfer?
• #is_tag_fecomposite?
• #is_tag_feconvolvematrix?
• #is_tag_fediffuselighting?
• #is_tag_fedisplacementmap?
• #is_tag_fedistantlight?
• #is_tag_fedropshadow?
• #is_tag_feflood?
• #is_tag_fefunca?
• #is_tag_fefuncb?
• #is_tag_fefuncg?
• #is_tag_fefuncr?
• #is_tag_fegaussianblur?
• #is_tag_feimage?
• #is_tag_femerge?
• #is_tag_femergenode?
• #is_tag_femorphology?
• #is_tag_feoffset?
• #is_tag_fepointlight?
• #is_tag_fespecularlighting?
• #is_tag_fespotlight?
• #is_tag_fetile?
• #is_tag_feturbulence?
• #is_tag_fieldset?
• #is_tag_figcaption?
• #is_tag_figure?
• #is_tag_font?
• #is_tag_footer?
• #is_tag_foreignobject?
• #is_tag_form?
• #is_tag_frame?
• #is_tag_frameset?
• #is_tag_glyphref?
• #is_tag_h1?
• #is_tag_h2?
• #is_tag_h3?
• #is_tag_h4?
• #is_tag_h5?
• #is_tag_h6?
• #is_tag_head?
• #is_tag_header?
• #is_tag_hgroup?
• #is_tag_hr?
• #is_tag_html?
• #is_tag_i?
• #is_tag_iframe?
• #is_tag_image?
• #is_tag_img?
• #is_tag_input?
• #is_tag_ins?
• #is_tag_isindex?
• #is_tag_kbd?
• #is_tag_keygen?
• #is_tag_label?
• #is_tag_legend?
• #is_tag_li?
• #is_tag_lineargradient?
• #is_tag_link?
• #is_tag_listing?
• #is_tag_main?
• #is_tag_malignmark?
• #is_tag_map?
• #is_tag_mark?
• #is_tag_marquee?
• #is_tag_math?
• #is_tag_menu?
• #is_tag_meta?
• #is_tag_meter?
• #is_tag_mfenced?
• #is_tag_mglyph?
• #is_tag_mi?
• #is_tag_mn?
• #is_tag_mo?
• #is_tag_ms?
• #is_tag_mtext?
• #is_tag_multicol?
• #is_tag_nav?
• #is_tag_nextid?
• #is_tag_nobr?
• #is_tag_noembed?
• #is_tag_nofollow?
• #is_tag_noframes?
• #is_tag_noindex?
• #is_tag_noscript?
• #is_tag_object?
• #is_tag_ol?
• #is_tag_optgroup?
• #is_tag_option?
• #is_tag_output?
• #is_tag_p?
• #is_tag_param?
• #is_tag_path?
• #is_tag_picture?
• #is_tag_plaintext?
• #is_tag_pre?
• #is_tag_progress?
• #is_tag_q?
• #is_tag_radialgradient?
• #is_tag_rb?
• #is_tag_rp?
• #is_tag_rt?
• #is_tag_rtc?
• #is_tag_ruby?
• #is_tag_s?
• #is_tag_samp?
• #is_tag_script?
• #is_tag_section?
• #is_tag_select?
• #is_tag_slot?
• #is_tag_small?
• #is_tag_source?
• #is_tag_spacer?
• #is_tag_span?
• #is_tag_strike?
• #is_tag_strong?
• #is_tag_style?
• #is_tag_sub?
• #is_tag_summary?
• #is_tag_sup?
• #is_tag_svg?
• #is_tag_table?
• #is_tag_tbody?
• #is_tag_td?
• #is_tag_template?
• #is_tag_textarea?
• #is_tag_textpath?
• #is_tag_tfoot?
• #is_tag_th?
• #is_tag_thead?
• #is_tag_time?
• #is_tag_title?
• #is_tag_tr?
• #is_tag_track?
• #is_tag_tt?
• #is_tag_u?
• #is_tag_ul?
• #is_tag_var?
• #is_tag_video?
• #is_tag_wbr?
• #is_tag_xmp?
• #is_text?
• #last_child
• #last_child!
• #lastest_child
• #lastest_child!
• #left

  Left node from current left means outputed in html before this

• #left!
• #left_iterator

  Left iterator iterate over all nodes from current to the root of document by moving from current to left node every time

• #next
• #next!
• #next_parent!
• #object?
• #parent
• #parent!
• #parents

  Parents iterator iterate over all node parents, from current node to root node

• #prev
• #prev!
• #remove!

  Remove node from tree

• #right

  Right node from current right means outputed in html after this

• #right!
• #right_iterator

  Right iterator iterate over all nodes from current to the end of document by moving from current to right node every time

• #scope

  Scope iterator iterate over all inner nodes of current node

• #tag_id : Lexbor::Lib::TagIdT

  Tag ID node.tag_id => Lexbor::Lib::TagIdT::LXB_TAG_DIV

• #tag_name : String

  Tag Name node.tag_name => "div"

• #tag_sym : Symbol

  Tag Symbol node.tag_sym => :div

• #tag_text

  Tag Text Direct text content of node present only on LXB_TAG__TEXT, LXB_TAG_STYLE, LXB_TAG__EM_COMMENT nodes (node.textable?) for other nodes, you should call #inner_text method

• #textable?
• #to_html(io : IO, deep = true)

  Convert node to html to IO deep - option, means visit children nodes or not (by default true).

• #to_html(deep = true)

  Convert node to html string deep - option, means visit children nodes or not (by default true).

• #to_html_end

  Convert end of tag to string ex: node.to_html_end # => "

  "

document = Lexbor::Parser.new("<html><body><p>Hi!</p></body></html>")
body = document.body!
span = document.tree.create_node(:span)

body.append_child(span)
body.to_html # <body><p>Hi!</p><span></span></body>

document = Lexbor::Parser.new("<html><body><div></div></body></html>")
div = document.css("div").first
div.inner_html = "<a href=#>bla</a>"

document.to_html # <html><head></head><body><div><a href=\"#\">bla</a></div></body></html>

document = Lexbor::Parser.new("<html><body><div></div></body></html>")
div = document.css("div").first
div.inner_text = "bla"

document.to_html # <html><head></head><body><div>bla</div></body></html>

document = Lexbor::Parser.new("<html><body><div></div></body></html>")
div = document.css("div").first
img = document.tree.create_node(:img)

div.insert_after(img)
document.body!.to_html # <body><div></div><img></body>

document = Lexbor::Parser.new("<html><body><main></main></body></html>")
main = document.css("main").first
header = document.tree.create_node(:header)

main.insert_before(header)
document.body!.to_html # <body><header></header><main></main></body>

parser = Lexbor::Parser.new("<html><body><div class=AAA style='color:red'>Haha <span>11</span></div></body></html>")
node = parser.nodes(:div).first
node.to_html              # => `<div class="AAA" style="color:red">Haha <span>11</span></div>`
node.to_html(deep: false) # => `<div class="AAA" style="color:red">`