+ return
+ ok_tags = {
+ dd:NS_HTML, dt:NS_HTML, li:NS_HTML, optgroup:NS_HTML,
+ option:NS_HTML, p:NS_HTML, rb:NS_HTML, rp:NS_HTML, rt:NS_HTML,
+ rtc:NS_HTML, tbody:NS_HTML, td:NS_HTML, tfoot:NS_HTML,
+ th:NS_HTML, thead:NS_HTML, tr:NS_HTML, body:NS_HTML,
+ html:NS_HTML
+ }
+ for el in open_els
+ unless ok_tags[t.name] is el.namespace
+ parse_error()
+ break
+ ins_mode = ins_mode_after_body
+ return
+ if t.type is TYPE_END_TAG and t.name is 'html'
+ unless is_in_scope 'body', NS_HTML
+ parse_error()
+ return
+ ok_tags = {
+ dd:NS_HTML, dt:NS_HTML, li:NS_HTML, optgroup:NS_HTML,
+ option:NS_HTML, p:NS_HTML, rb:NS_HTML, rp:NS_HTML, rt:NS_HTML,
+ rtc:NS_HTML, tbody:NS_HTML, td:NS_HTML, tfoot:NS_HTML,
+ th:NS_HTML, thead:NS_HTML, tr:NS_HTML, body:NS_HTML,
+ html:NS_HTML
+ }
+ for el in open_els
+ unless ok_tags[t.name] is el.namespace
+ parse_error()
+ break
+ ins_mode = ins_mode_after_body
+ process_token t
+ return
+ if t.type is TYPE_START_TAG and (t.name is 'address' or t.name is 'article' or t.name is 'aside' or t.name is 'blockquote' or t.name is 'center' or t.name is 'details' or t.name is 'dialog' or t.name is 'dir' or t.name is 'div' or t.name is 'dl' or t.name is 'fieldset' or t.name is 'figcaption' or t.name is 'figure' or t.name is 'footer' or t.name is 'header' or t.name is 'hgroup' or t.name is 'main' or t.name is 'nav' or t.name is 'ol' or t.name is 'p' or t.name is 'section' or t.name is 'summary' or t.name is 'ul')
+ close_p_if_in_button_scope()
+ insert_html_element t
+ return
+ if t.type is TYPE_START_TAG and h_tags[t.name]?
+ close_p_if_in_button_scope()
+ if h_tags[open_els[0].name] is open_els[0].namespace
+ parse_error()
+ open_els.shift()
+ insert_html_element t
+ return
+ if t.type is TYPE_START_TAG and (t.name is 'pre' or t.name is 'listing')
+ close_p_if_in_button_scope()
+ insert_html_element t
+ eat_next_token_if_newline()
+ flag_frameset_ok = false
+ return
+ if t.type is TYPE_START_TAG and t.name is 'form'
+ unless form_element_pointer is null or template_tag_is_open()
+ parse_error()
+ return
+ close_p_if_in_button_scope()
+ el = insert_html_element t
+ unless template_tag_is_open()
+ form_element_pointer = el
+ return
+ if t.type is TYPE_START_TAG and t.name is 'li'
+ flag_frameset_ok = false
+ for node in open_els
+ if node.name is 'li' and node.namespace is NS_HTML
+ generate_implied_end_tags 'li' # arg is exception
+ if open_els[0].name isnt 'li' or open_els[0].namespace isnt NS_HTML
+ parse_error()
+ loop
+ el = open_els.shift()
+ if el.name is 'li' and el.namespace is NS_HTML
+ break
+ break
+ if el_is_special_not_adp node
+ break
+ close_p_if_in_button_scope()
+ insert_html_element t
+ return
+ if t.type is TYPE_START_TAG and (t.name is 'dd' or t.name is 'dt')
+ flag_frameset_ok = false
+ for node in open_els
+ if node.name is 'dd' and node.namespace is NS_HTML
+ generate_implied_end_tags 'dd' # arg is exception
+ if open_els[0].name isnt 'dd' or open_els[0].namespace isnt NS_HTML
+ parse_error()
+ loop
+ el = open_els.shift()
+ if el.name is 'dd' and el.namespace is NS_HTML
+ break
+ break
+ if node.name is 'dt' and node.namespace is NS_HTML
+ generate_implied_end_tags 'dt' # arg is exception
+ if open_els[0].name isnt 'dt' or open_els[0].namespace isnt NS_HTML
+ parse_error()
+ loop
+ el = open_els.shift()
+ if el.name is 'dt' and el.namespace is NS_HTML
+ break
+ break
+ if el_is_special_not_adp node
+ break
+ close_p_if_in_button_scope()
+ insert_html_element t
+ return
+ if t.type is TYPE_START_TAG and t.name is 'plaintext'
+ close_p_if_in_button_scope()
+ insert_html_element t
+ tok_state = tok_state_plaintext
+ return
+ if t.type is TYPE_START_TAG and t.name is 'button'
+ if is_in_scope 'button', NS_HTML
+ parse_error()
+ generate_implied_end_tags()
+ loop
+ el = open_els.shift()
+ if el.name is 'button' and el.namespace is NS_HTML
+ break
+ reconstruct_afe()
+ insert_html_element t
+ flag_frameset_ok = false
+ return
+ if t.type is TYPE_END_TAG and (t.name is 'address' or t.name is 'article' or t.name is 'aside' or t.name is 'blockquote' or t.name is 'button' or t.name is 'center' or t.name is 'details' or t.name is 'dialog' or t.name is 'dir' or t.name is 'div' or t.name is 'dl' or t.name is 'fieldset' or t.name is 'figcaption' or t.name is 'figure' or t.name is 'footer' or t.name is 'header' or t.name is 'hgroup' or t.name is 'listing' or t.name is 'main' or t.name is 'nav' or t.name is 'ol' or t.name is 'pre' or t.name is 'section' or t.name is 'summary' or t.name is 'ul')
+ unless is_in_scope t.name, NS_HTML
+ parse_error()
+ return
+ generate_implied_end_tags()
+ unless open_els[0].name is t.name and open_els[0].namespace is NS_HTML
+ parse_error()
+ loop
+ el = open_els.shift()
+ if el.name is t.name and el.namespace is NS_HTML
+ return
+ return
+ if t.type is TYPE_END_TAG and t.name is 'form'
+ unless template_tag_is_open()
+ node = form_element_pointer
+ form_element_pointer = null
+ if node is null or not el_is_in_scope node
+ parse_error()
+ return
+ generate_implied_end_tags()
+ if open_els[0] isnt node
+ parse_error()
+ for el, i in open_els
+ if el is node
+ open_els.splice i, 1
+ break
+ else
+ unless is_in_scope 'form', NS_HTML
+ parse_error()
+ return
+ generate_implied_end_tags()
+ if open_els[0].name isnt 'form' or open_els[0].namespace isnt NS_HTML
+ parse_error()
+ loop
+ el = open_els.shift()
+ if el.name is 'form' and el.namespace is NS_HTML
+ break
+ return
+ if t.type is TYPE_END_TAG and t.name is 'p'
+ unless is_in_button_scope 'p', NS_HTML
+ parse_error()
+ insert_html_element new_open_tag 'p'
+ close_p_element()
+ return
+ if t.type is TYPE_END_TAG and t.name is 'li'
+ unless is_in_li_scope 'li', NS_HTML
+ parse_error()
+ return
+ generate_implied_end_tags 'li' # arg is exception
+ if open_els[0].name isnt 'li' or open_els[0].namespace isnt NS_HTML
+ parse_error()
+ loop
+ el = open_els.shift()
+ if el.name is 'li' and el.namespace is NS_HTML
+ break
+ return
+ if t.type is TYPE_END_TAG and (t.name is 'dd' or t.name is 'dt')
+ unless is_in_scope t.name, NS_HTML
+ parse_error()
+ return
+ generate_implied_end_tags t.name # arg is exception
+ if open_els[0].name isnt t.name or open_els[0].namespace isnt NS_HTML
+ parse_error()
+ loop
+ el = open_els.shift()
+ if el.name is t.name and el.namespace is NS_HTML
+ break
+ return
+ if t.type is TYPE_END_TAG and h_tags[t.name]?
+ h_in_scope = false
+ for el in open_els
+ if h_tags[el.name] is el.namespace
+ h_in_scope = true
+ break
+ if standard_scopers[el.name] is el.namespace
+ break
+ unless h_in_scope
+ parse_error()
+ return
+ generate_implied_end_tags()
+ if open_els[0].name isnt t.name or open_els[0].namespace isnt NS_HTML
+ parse_error()
+ loop
+ el = open_els.shift()
+ if h_tags[el.name] is el.namespace
+ break
+ return
+ # deep breath!
+ if t.type is TYPE_START_TAG and t.name is 'a'
+ # If the list of active formatting elements contains an a element
+ # between the end of the list and the last marker on the list (or
+ # the start of the list if there is no marker on the list), then
+ # this is a parse error; run the adoption agency algorithm for the
+ # tag name "a", then remove that element from the list of active
+ # formatting elements and the stack of open elements if the
+ # adoption agency algorithm didn't already remove it (it might not
+ # have if the element is not in table scope).
+ found = false
+ for el in afe
+ if el.type is TYPE_AFE_MARKER
+ break
+ if el.name is 'a' and el.namespace is NS_HTML
+ found = el
+ if found?
+ parse_error()
+ adoption_agency 'a'
+ for el, i in afe
+ if el is found
+ afe.splice i, 1
+ for el, i in open_els
+ if el is found
+ open_els.splice i, 1
+ reconstruct_afe()
+ el = insert_html_element t
+ afe_push el
+ return
+ if t.type is TYPE_START_TAG and (t.name is 'b' or t.name is 'big' or t.name is 'code' or t.name is 'em' or t.name is 'font' or t.name is 'i' or t.name is 's' or t.name is 'small' or t.name is 'strike' or t.name is 'strong' or t.name is 'tt' or t.name is 'u')
+ reconstruct_afe()
+ el = insert_html_element t
+ afe_push el
+ return
+ if t.type is TYPE_START_TAG and t.name is 'nobr'
+ reconstruct_afe()
+ if is_in_scope 'nobr', NS_HTML
+ parse_error()
+ adoption_agency 'nobr'
+ reconstruct_afe()
+ el = insert_html_element t
+ afe_push el
+ return
+ if t.type is TYPE_END_TAG and (t.name is 'a' or t.name is 'b' or t.name is 'big' or t.name is 'code' or t.name is 'em' or t.name is 'font' or t.name is 'i' or t.name is 'nobr' or t.name is 's' or t.name is 'small' or t.name is 'strike' or t.name is 'strong' or t.name is 'tt' or t.name is 'u')
+ adoption_agency t.name
+ return
+ if t.type is TYPE_START_TAG and (t.name is 'applet' or t.name is 'marquee' or t.name is 'object')
+ reconstruct_afe()
+ insert_html_element t
+ afe_push_marker()
+ flag_frameset_ok = false
+ return
+ if t.type is TYPE_END_TAG and (t.name is 'applet' or t.name is 'marquee' or t.name is 'object')
+ unless is_in_scope t.name, NS_HTML
+ parse_error()
+ return
+ generate_implied_end_tags()
+ if open_els[0].name isnt t.name or open_els[0].namespace isnt NS_HTML
+ parse_error()
+ loop
+ el = open_els.shift()
+ if el.name is t.name and el.namespace is NS_HTML
+ break
+ clear_afe_to_marker()
+ return
+ if t.type is TYPE_START_TAG and t.name is 'table'
+ unless doc.flag('quirks mode') is QUIRKS_YES
+ close_p_if_in_button_scope() # test
+ insert_html_element t
+ flag_frameset_ok = false
+ ins_mode = ins_mode_in_table
+ return
+ if t.type is TYPE_END_TAG and t.name is 'br'
+ parse_error()
+ # W3C: t.type = TYPE_START_TAG
+ t = new_open_tag 'br' # WHATWG
+ # fall through
+ if t.type is TYPE_START_TAG and (t.name is 'area' or t.name is 'br' or t.name is 'embed' or t.name is 'img' or t.name is 'keygen' or t.name is 'wbr')
+ reconstruct_afe()
+ insert_html_element t
+ open_els.shift()
+ t.acknowledge_self_closing()
+ flag_frameset_ok = false
+ return
+ if t.type is TYPE_START_TAG and t.name is 'input'
+ reconstruct_afe()
+ insert_html_element t
+ open_els.shift()
+ t.acknowledge_self_closing()
+ unless is_input_hidden_tok t
+ flag_frameset_ok = false
+ return
+ if t.type is TYPE_START_TAG and (t.name is 'menuitem' or t.name is 'param' or t.name is 'source' or t.name is 'track')
+ # WHATWG adds 'menuitem' for this block
+ insert_html_element t
+ open_els.shift()
+ t.acknowledge_self_closing()
+ return
+ if t.type is TYPE_START_TAG and t.name is 'hr'
+ close_p_if_in_button_scope()
+ insert_html_element t
+ open_els.shift()
+ t.acknowledge_self_closing()
+ flag_frameset_ok = false
+ return
+ if t.type is TYPE_START_TAG and t.name is 'image'
+ parse_error()
+ t.name = 'img'
+ process_token t
+ return
+ if t.type is TYPE_START_TAG and t.name is 'isindex'
+ parse_error()
+ if template_tag_is_open() is false and form_element_pointer isnt null
+ return
+ t.acknowledge_self_closing()
+ flag_frameset_ok = false
+ close_p_if_in_button_scope()
+ el = insert_html_element new_open_tag 'form'
+ unless template_tag_is_open()
+ form_element_pointer = el
+ for a in t.attrs_a
+ if a[0] is 'action'
+ el.attrs['action'] = a[1]
+ break
+ insert_html_element new_open_tag 'hr'
+ open_els.shift()
+ reconstruct_afe()
+ insert_html_element new_open_tag 'label'
+ # note: this is a little out-of-spec-order so we only have to scan t.attrs_a once
+ input_el = new_open_tag 'input'
+ prompt = null
+ for a in t.attrs_a
+ if a[0] is 'prompt'
+ prompt = a[1]
+ if a[0] isnt 'name' and a[0] isnt 'action' and a[0] isnt 'prompt'
+ input_el.attrs_a.push [a[0], a[1]]
+ input_el.attrs_a.push ['name', 'isindex']
+ # fixfull this next bit is in english... internationalize?
+ prompt ?= "This is a searchable index. Enter search keywords: "
+ insert_character new_character_token prompt # fixfull split
+ # TODO submit typo "balue" in spec
+ insert_html_element input_el
+ open_els.shift()
+ # insert_character '' # you can put chars here if promt attr missing
+ open_els.shift()
+ insert_html_element new_open_tag 'hr'
+ open_els.shift()
+ open_els.shift()
+ unless template_tag_is_open()
+ form_element_pointer = null
+ return
+ if t.type is TYPE_START_TAG and t.name is 'textarea'
+ insert_html_element t
+ eat_next_token_if_newline()
+ tok_state = tok_state_rcdata
+ original_ins_mode = ins_mode
+ flag_frameset_ok = false
+ ins_mode = ins_mode_text
+ return
+ if t.type is TYPE_START_TAG and t.name is 'xmp'
+ close_p_if_in_button_scope()
+ reconstruct_afe()
+ flag_frameset_ok = false
+ parse_generic_raw_text t
+ return
+ if t.type is TYPE_START_TAG and t.name is 'iframe'
+ flag_frameset_ok = false
+ parse_generic_raw_text t
+ return
+ if t.type is TYPE_START_TAG and (t.name is 'noembed' or (t.name is 'noscript' and flag_scripting))
+ parse_generic_raw_text t
+ return
+ if t.type is TYPE_START_TAG and t.name is 'select'
+ reconstruct_afe()
+ insert_html_element t
+ flag_frameset_ok = false
+ if ins_mode is ins_mode_in_table or ins_mode is ins_mode_in_caption or ins_mode is ins_mode_in_table_body or ins_mode is ins_mode_in_row or ins_mode is ins_mode_in_cell
+ ins_mode = ins_mode_in_select_in_table
+ else
+ ins_mode = ins_mode_in_select
+ return
+ if t.type is TYPE_START_TAG and (t.name is 'optgroup' or t.name is 'option')
+ if open_els[0].name is 'option' and open_els[0].namespace is NS_HTML
+ open_els.shift()
+ reconstruct_afe()
+ insert_html_element t
+ return
+# this comment block implements the W3C spec
+# if t.type is TYPE_START_TAG and (t.name is 'rb' or t.name is 'rp' or t.name is 'rtc')
+# if is_in_scope 'ruby', NS_HTML
+# generate_implied_end_tags()
+# unless open_els[0].name is 'ruby' and open_els[0].namespace is NS_HTML
+# parse_error()
+# insert_html_element t
+# return
+# if t.type is TYPE_START_TAG and t.name is 'rt'
+# if is_in_scope 'ruby', NS_HTML
+# generate_implied_end_tags 'rtc' # arg is exception
+# unless (open_els[0].name is 'ruby' or open_els[0].name is 'rtc') and open_els[0].namespace is NS_HTML
+# parse_error()
+# insert_html_element t
+# return
+# below implements the WHATWG spec https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-inbody
+ if t.type is TYPE_START_TAG and (t.name is 'rb' or t.name is 'rtc')
+ if is_in_scope 'ruby', NS_HTML
+ generate_implied_end_tags()
+ unless open_els[0].name is 'ruby' and open_els[0].namespace is NS_HTML
+ parse_error()
+ insert_html_element t
+ return
+ if t.type is TYPE_START_TAG and (t.name is 'rp' or t.name is 'rt')
+ if is_in_scope 'ruby', NS_HTML
+ generate_implied_end_tags 'rtc'
+ unless (open_els[0].name is 'ruby' or open_els[0].name is 'rtc') and open_els[0].namespace is NS_HTML
+ parse_error()
+ insert_html_element t
+ return
+# end WHATWG chunk
+ if t.type is TYPE_START_TAG and t.name is 'math'
+ reconstruct_afe()
+ adjust_mathml_attributes t
+ adjust_foreign_attributes t
+ insert_foreign_element t, NS_MATHML
+ if t.flag 'self-closing'
+ open_els.shift()
+ t.acknowledge_self_closing()
+ return
+ if t.type is TYPE_START_TAG and t.name is 'svg'
+ reconstruct_afe()
+ adjust_svg_attributes t
+ adjust_foreign_attributes t
+ insert_foreign_element t, NS_SVG
+ if t.flag 'self-closing'
+ open_els.shift()
+ t.acknowledge_self_closing()
+ return
+ if t.type is TYPE_START_TAG and (t.name is 'caption' or t.name is 'col' or t.name is 'colgroup' or t.name is 'frame' or t.name is 'head' or t.name is 'tbody' or t.name is 'td' or t.name is 'tfoot' or t.name is 'th' or t.name is 'thead' or t.name is 'tr')
+ parse_error()
+ return
+ if t.type is TYPE_START_TAG # any other start tag
+ reconstruct_afe()
+ insert_html_element t
+ return
+ if t.type is TYPE_END_TAG # any other end tag
+ in_body_any_other_end_tag t.name
+ return
+ return
+
+ # 8.2.5.4.8 http://www.w3.org/TR/html5/syntax.html#parsing-main-incdata
+ ins_mode_text = (t) ->
+ if t.type is TYPE_TEXT
+ insert_character t
+ return
+ if t.type is TYPE_EOF
+ parse_error()
+ if open_els[0].name is 'script' and open_els[0].namespace is NS_HTML
+ open_els[0].flag 'already started', true
+ open_els.shift()
+ ins_mode = original_ins_mode
+ process_token t
+ return
+ if t.type is TYPE_END_TAG and t.name is 'script'
+ open_els.shift()
+ ins_mode = original_ins_mode
+ # fixfull the spec seems to assume that I'm going to run the script
+ # http://www.w3.org/TR/html5/syntax.html#scriptEndTag
+ return
+ if t.type is TYPE_END_TAG
+ open_els.shift()
+ ins_mode = original_ins_mode
+ return
+ return
+
+ # the functions below implement the tokenizer stats described here:
+ # http://www.w3.org/TR/html5/syntax.html#tokenization
+
+ # 8.2.5.4.9 http://www.w3.org/TR/html5/syntax.html#parsing-main-intable
+ ins_mode_in_table_else = (t) ->
+ parse_error()
+ flag_foster_parenting = true
+ ins_mode_in_body t
+ flag_foster_parenting = false
+ return
+ ins_mode_in_table = (t) ->
+ switch t.type
+ when TYPE_TEXT
+ if (open_els[0].name is 'table' or open_els[0].name is 'tbody' or open_els[0].name is 'tfoot' or open_els[0].name is 'thead' or open_els[0].name is 'tr') and open_els[0].namespace is NS_HTML
+ pending_table_character_tokens = []
+ original_ins_mode = ins_mode
+ ins_mode = ins_mode_in_table_text
+ process_token t
+ else
+ ins_mode_in_table_else t
+ when TYPE_COMMENT
+ insert_comment t
+ when TYPE_DOCTYPE
+ parse_error()
+ when TYPE_START_TAG
+ switch t.name
+ when 'caption'
+ clear_stack_to_table_context()
+ afe_push_marker()