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rules.rs
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// Copyright 2014-2017 The html5ever Project Developers. See the
// COPYRIGHT file at the top-level directory of this distribution.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// The tree builder rules, as a single, enormous nested match expression.
use crate::interface::Quirks;
use crate::tokenizer::states::{Rawtext, Rcdata};
use crate::tokenizer::TagKind::{EndTag, StartTag};
use crate::tree_builder::tag_sets::*;
use crate::tree_builder::types::*;
use crate::tree_builder::RawKind::ScriptData;
use crate::tree_builder::{html_elem, ElemName, StrTendril, Tag, TreeBuilder, TreeSink};
use markup5ever::interface::create_element;
use markup5ever::interface::NodeOrText::AppendNode;
use markup5ever::{expanded_name, local_name, namespace_url, ns, QualName};
use std::borrow::Cow::Borrowed;
use crate::tendril::SliceExt;
use match_token::match_token;
#[cfg(feature = "encoding")]
use encoding_rs::Encoding;
fn any_not_whitespace(x: &StrTendril) -> bool {
// FIXME: this might be much faster as a byte scan
x.chars().any(|c| !c.is_ascii_whitespace())
}
fn current_node<Handle>(open_elems: &[Handle]) -> &Handle {
open_elems.last().expect("no current element")
}
#[doc(hidden)]
impl<Handle, Sink> TreeBuilder<Handle, Sink>
where
Handle: Clone,
Sink: TreeSink<Handle = Handle>,
{
pub(crate) fn step(&self, mode: InsertionMode, token: Token) -> ProcessResult<Handle> {
self.debug_step(mode, &token);
match mode {
//§ the-initial-insertion-mode
InsertionMode::Initial => match_token!(token {
Token::Characters(SplitStatus::NotSplit, text) => ProcessResult::SplitWhitespace(text),
Token::Characters(SplitStatus::Whitespace, _) => ProcessResult::Done,
Token::Comment(text) => self.append_comment_to_doc(text),
token => {
if !self.opts.iframe_srcdoc {
self.unexpected(&token);
self.set_quirks_mode(Quirks);
}
ProcessResult::Reprocess(InsertionMode::BeforeHtml, token)
}
}),
//§ the-before-html-insertion-mode
InsertionMode::BeforeHtml => match_token!(token {
Token::Characters(SplitStatus::NotSplit, text) => ProcessResult::SplitWhitespace(text),
Token::Characters(SplitStatus::Whitespace, _) => ProcessResult::Done,
Token::Comment(text) => self.append_comment_to_doc(text),
tag @ <html> => {
self.create_root(tag.attrs);
self.mode.set(InsertionMode::BeforeHead);
ProcessResult::Done
}
</head> </body> </html> </br> => else,
tag @ </_> => self.unexpected(&tag),
token => {
self.create_root(vec!());
ProcessResult::Reprocess(InsertionMode::BeforeHead, token)
}
}),
//§ the-before-head-insertion-mode
InsertionMode::BeforeHead => match_token!(token {
Token::Characters(SplitStatus::NotSplit, text) => ProcessResult::SplitWhitespace(text),
Token::Characters(SplitStatus::Whitespace, _) => ProcessResult::Done,
Token::Comment(text) => self.append_comment(text),
<html> => self.step(InsertionMode::InBody, token),
tag @ <head> => {
*self.head_elem.borrow_mut() = Some(self.insert_element_for(tag));
self.mode.set(InsertionMode::InHead);
ProcessResult::Done
}
</head> </body> </html> </br> => else,
tag @ </_> => self.unexpected(&tag),
token => {
*self.head_elem.borrow_mut() = Some(self.insert_phantom(local_name!("head")));
ProcessResult::Reprocess(InsertionMode::InHead, token)
}
}),
//§ parsing-main-inhead
// https://html.spec.whatwg.org/multipage/parsing.html#parsing-main-inhead
InsertionMode::InHead => match_token!(token {
Token::Characters(SplitStatus::NotSplit, text) => ProcessResult::SplitWhitespace(text),
Token::Characters(SplitStatus::Whitespace, text) => self.append_text(text),
Token::Comment(text) => self.append_comment(text),
<html> => self.step(InsertionMode::InBody, token),
tag @ <meta> => {
// FIXME: handle <meta http-equiv="Content-Type">
#[cfg(feature = "encoding")]
if let Some(charset) = tag.attrs.iter().find(|a| a.name == QualName::new(None, ns!(html), local_name!("charset"))) {
if let Some(encoding) = Encoding::for_label(charset.value.as_bytes()) {
self.insert_and_pop_element_for(tag);
return ProcessResult::MaybeChangeEncodingAndStartOver(encoding);
}
}
self.insert_and_pop_element_for(tag);
ProcessResult::DoneAckSelfClosing
},
tag @ <base> <basefont> <bgsound> <link> => {
self.insert_and_pop_element_for(tag);
ProcessResult::DoneAckSelfClosing
}
tag @ <title> => {
self.parse_raw_data(tag, Rcdata)
}
tag @ <noframes> <style> <noscript> => {
if (!self.opts.scripting_enabled) && (tag.name == local_name!("noscript")) {
self.insert_element_for(tag);
self.mode.set(InsertionMode::InHeadNoscript);
ProcessResult::Done
} else {
self.parse_raw_data(tag, Rawtext)
}
}
tag @ <script> => {
let elem = create_element(
&self.sink, QualName::new(None, ns!(html), local_name!("script")),
tag.attrs);
if self.is_fragment() {
self.sink.mark_script_already_started(&elem);
}
self.insert_appropriately(AppendNode(elem.clone()), None);
self.open_elems.borrow_mut().push(elem);
self.to_raw_text_mode(ScriptData)
}
</head> => {
self.pop();
self.mode.set(InsertionMode::AfterHead);
ProcessResult::Done
}
</body> </html> </br> => else,
tag @ <template> => {
self.active_formatting.borrow_mut().push(FormatEntry::Marker);
self.frameset_ok.set(false);
self.mode.set(InsertionMode::InTemplate);
self.template_modes.borrow_mut().push(InsertionMode::InTemplate);
if (self.should_attach_declarative_shadow(&tag)) {
// Attach shadow path
// Step 1. Let declarative shadow host element be adjusted current node.
let mut shadow_host = self.open_elems.borrow().last().unwrap().clone();
if self.is_fragment() && self.open_elems.borrow().len() == 1 {
shadow_host = self.context_elem.borrow().clone().unwrap();
}
// Step 2. Let template be the result of insert a foreign element for template start tag, with HTML namespace and true.
let template = self.insert_foreign_element(tag.clone(), ns!(html), true);
// Step 3 - 8.
// Attach a shadow root with declarative shadow host element, mode, clonable, serializable, delegatesFocus, and "named".
if self.attach_declarative_shadow(&tag, &shadow_host, &template).is_err() {
// Step 8.1.1. Insert an element at the adjusted insertion location with template.
// Pop the current template element created in step 2 first.
self.pop();
self.insert_element_for(tag);
}
} else {
self.insert_element_for(tag);
}
ProcessResult::Done
}
tag @ </template> => {
if !self.in_html_elem_named(local_name!("template")) {
self.unexpected(&tag);
} else {
self.generate_implied_end(thorough_implied_end);
self.expect_to_close(local_name!("template"));
self.clear_active_formatting_to_marker();
self.template_modes.borrow_mut().pop();
self.mode.set(self.reset_insertion_mode());
}
ProcessResult::Done
}
<head> => self.unexpected(&token),
tag @ </_> => self.unexpected(&tag),
token => {
self.pop();
ProcessResult::Reprocess(InsertionMode::AfterHead, token)
}
}),
//§ parsing-main-inheadnoscript
InsertionMode::InHeadNoscript => match_token!(token {
<html> => self.step(InsertionMode::InBody, token),
</noscript> => {
self.pop();
self.mode.set(InsertionMode::InHead);
ProcessResult::Done
},
Token::Characters(SplitStatus::NotSplit, text) => ProcessResult::SplitWhitespace(text),
Token::Characters(SplitStatus::Whitespace, _) => self.step(InsertionMode::InHead, token),
Token::Comment(_) => self.step(InsertionMode::InHead, token),
<basefont> <bgsound> <link> <meta> <noframes> <style>
=> self.step(InsertionMode::InHead, token),
</br> => else,
<head> <noscript> => self.unexpected(&token),
tag @ </_> => self.unexpected(&tag),
token => {
self.unexpected(&token);
self.pop();
ProcessResult::Reprocess(InsertionMode::InHead, token)
},
}),
//§ the-after-head-insertion-mode
InsertionMode::AfterHead => match_token!(token {
Token::Characters(SplitStatus::NotSplit, text) => ProcessResult::SplitWhitespace(text),
Token::Characters(SplitStatus::Whitespace, text) => self.append_text(text),
Token::Comment(text) => self.append_comment(text),
<html> => self.step(InsertionMode::InBody, token),
tag @ <body> => {
self.insert_element_for(tag);
self.frameset_ok.set(false);
self.mode.set(InsertionMode::InBody);
ProcessResult::Done
}
tag @ <frameset> => {
self.insert_element_for(tag);
self.mode.set(InsertionMode::InFrameset);
ProcessResult::Done
}
<base> <basefont> <bgsound> <link> <meta>
<noframes> <script> <style> <template> <title> => {
self.unexpected(&token);
let head = self.head_elem.borrow().as_ref().expect("no head element").clone();
self.push(&head);
let result = self.step(InsertionMode::InHead, token);
self.remove_from_stack(&head);
result
}
</template> => self.step(InsertionMode::InHead, token),
</body> </html> </br> => else,
<head> => self.unexpected(&token),
tag @ </_> => self.unexpected(&tag),
token => {
self.insert_phantom(local_name!("body"));
ProcessResult::Reprocess(InsertionMode::InBody, token)
}
}),
//§ parsing-main-inbody
InsertionMode::InBody => match_token!(token {
Token::NullCharacter => self.unexpected(&token),
Token::Characters(_, text) => {
self.reconstruct_formatting();
if any_not_whitespace(&text) {
self.frameset_ok.set(false);
}
self.append_text(text)
}
Token::Comment(text) => self.append_comment(text),
tag @ <html> => {
self.unexpected(&tag);
if !self.in_html_elem_named(local_name!("template")) {
let open_elems = self.open_elems.borrow();
let top = html_elem(&open_elems);
self.sink.add_attrs_if_missing(top, tag.attrs);
}
ProcessResult::Done
}
<base> <basefont> <bgsound> <link> <meta> <noframes>
<script> <style> <template> <title> </template> => {
self.step(InsertionMode::InHead, token)
}
tag @ <body> => {
self.unexpected(&tag);
let body_elem = self.body_elem().as_deref().cloned();
match body_elem {
Some(ref node) if self.open_elems.borrow().len() != 1 &&
!self.in_html_elem_named(local_name!("template")) => {
self.frameset_ok.set(false);
self.sink.add_attrs_if_missing(node, tag.attrs)
},
_ => {}
}
ProcessResult::Done
}
tag @ <frameset> => {
self.unexpected(&tag);
if !self.frameset_ok.get() { return ProcessResult::Done; }
let body = unwrap_or_return!(self.body_elem(), ProcessResult::Done).clone();
self.sink.remove_from_parent(&body);
// FIXME: can we get here in the fragment case?
// What to do with the first element then?
self.open_elems.borrow_mut().truncate(1);
self.insert_element_for(tag);
self.mode.set(InsertionMode::InFrameset);
ProcessResult::Done
}
Token::Eof => {
if !self.template_modes.borrow().is_empty() {
self.step(InsertionMode::InTemplate, token)
} else {
self.check_body_end();
self.stop_parsing()
}
}
</body> => {
if self.in_scope_named(default_scope, local_name!("body")) {
self.check_body_end();
self.mode.set(InsertionMode::AfterBody);
} else {
self.sink.parse_error(Borrowed("</body> with no <body> in scope"));
}
ProcessResult::Done
}
</html> => {
if self.in_scope_named(default_scope, local_name!("body")) {
self.check_body_end();
ProcessResult::Reprocess(InsertionMode::AfterBody, token)
} else {
self.sink.parse_error(Borrowed("</html> with no <body> in scope"));
ProcessResult::Done
}
}
tag @ <address> <article> <aside> <blockquote> <center> <details> <dialog>
<dir> <div> <dl> <fieldset> <figcaption> <figure> <footer> <header>
<hgroup> <main> <nav> <ol> <p> <search> <section> <summary> <ul> => {
self.close_p_element_in_button_scope();
self.insert_element_for(tag);
ProcessResult::Done
}
tag @ <menu> => {
self.close_p_element_in_button_scope();
self.insert_element_for(tag);
ProcessResult::Done
}
tag @ <h1> <h2> <h3> <h4> <h5> <h6> => {
self.close_p_element_in_button_scope();
if self.current_node_in(heading_tag) {
self.sink.parse_error(Borrowed("nested heading tags"));
self.pop();
}
self.insert_element_for(tag);
ProcessResult::Done
}
tag @ <pre> <listing> => {
self.close_p_element_in_button_scope();
self.insert_element_for(tag);
self.ignore_lf.set(true);
self.frameset_ok.set(false);
ProcessResult::Done
}
tag @ <form> => {
if self.form_elem.borrow().is_some() &&
!self.in_html_elem_named(local_name!("template")) {
self.sink.parse_error(Borrowed("nested forms"));
} else {
self.close_p_element_in_button_scope();
let elem = self.insert_element_for(tag);
if !self.in_html_elem_named(local_name!("template")) {
*self.form_elem.borrow_mut() = Some(elem);
}
}
ProcessResult::Done
}
tag @ <li> <dd> <dt> => {
declare_tag_set!(close_list = "li");
declare_tag_set!(close_defn = "dd" "dt");
declare_tag_set!(extra_special = [special_tag] - "address" "div" "p");
let list = match tag.name {
local_name!("li") => true,
local_name!("dd") | local_name!("dt") => false,
_ => unreachable!(),
};
self.frameset_ok.set(false);
let mut to_close = None;
for node in self.open_elems.borrow().iter().rev() {
let elem_name = self.sink.elem_name(node);
let name = elem_name.expanded();
let can_close = if list {
close_list(name)
} else {
close_defn(name)
};
if can_close {
to_close = Some(name.local.clone());
break;
}
if extra_special(name) {
break;
}
}
if let Some(name) = to_close {
self.generate_implied_end_except(name.clone());
self.expect_to_close(name);
}
self.close_p_element_in_button_scope();
self.insert_element_for(tag);
ProcessResult::Done
}
tag @ <plaintext> => {
self.close_p_element_in_button_scope();
self.insert_element_for(tag);
ProcessResult::ToPlaintext
}
tag @ <button> => {
if self.in_scope_named(default_scope, local_name!("button")) {
self.sink.parse_error(Borrowed("nested buttons"));
self.generate_implied_end(cursory_implied_end);
self.pop_until_named(local_name!("button"));
}
self.reconstruct_formatting();
self.insert_element_for(tag);
self.frameset_ok.set(false);
ProcessResult::Done
}
tag @ </address> </article> </aside> </blockquote> </button> </center>
</details> </dialog> </dir> </div> </dl> </fieldset> </figcaption>
</figure> </footer> </header> </hgroup> </listing> </main> </menu>
</nav> </ol> </pre> </search> </section> </summary> </ul> => {
if !self.in_scope_named(default_scope, tag.name.clone()) {
self.unexpected(&tag);
} else {
self.generate_implied_end(cursory_implied_end);
self.expect_to_close(tag.name);
}
ProcessResult::Done
}
</form> => {
if !self.in_html_elem_named(local_name!("template")) {
// Can't use unwrap_or_return!() due to rust-lang/rust#16617.
let node = match self.form_elem.take() {
None => {
self.sink.parse_error(Borrowed("Null form element pointer on </form>"));
return ProcessResult::Done;
}
Some(x) => x,
};
if !self.in_scope(default_scope, |n| self.sink.same_node(&node, &n)) {
self.sink.parse_error(Borrowed("Form element not in scope on </form>"));
return ProcessResult::Done;
}
self.generate_implied_end(cursory_implied_end);
let current = self.current_node().clone();
self.remove_from_stack(&node);
if !self.sink.same_node(¤t, &node) {
self.sink.parse_error(Borrowed("Bad open element on </form>"));
}
} else {
if !self.in_scope_named(default_scope, local_name!("form")) {
self.sink.parse_error(Borrowed("Form element not in scope on </form>"));
return ProcessResult::Done;
}
self.generate_implied_end(cursory_implied_end);
if !self.current_node_named(local_name!("form")) {
self.sink.parse_error(Borrowed("Bad open element on </form>"));
}
self.pop_until_named(local_name!("form"));
}
ProcessResult::Done
}
</p> => {
if !self.in_scope_named(button_scope, local_name!("p")) {
self.sink.parse_error(Borrowed("No <p> tag to close"));
self.insert_phantom(local_name!("p"));
}
self.close_p_element();
ProcessResult::Done
}
tag @ </li> </dd> </dt> => {
let in_scope = if tag.name == local_name!("li") {
self.in_scope_named(list_item_scope, tag.name.clone())
} else {
self.in_scope_named(default_scope, tag.name.clone())
};
if in_scope {
self.generate_implied_end_except(tag.name.clone());
self.expect_to_close(tag.name);
} else {
self.sink.parse_error(Borrowed("No matching tag to close"));
}
ProcessResult::Done
}
tag @ </h1> </h2> </h3> </h4> </h5> </h6> => {
if self.in_scope(default_scope, |n| self.elem_in(&n, heading_tag)) {
self.generate_implied_end(cursory_implied_end);
if !self.current_node_named(tag.name) {
self.sink.parse_error(Borrowed("Closing wrong heading tag"));
}
self.pop_until(heading_tag);
} else {
self.sink.parse_error(Borrowed("No heading tag to close"));
}
ProcessResult::Done
}
tag @ <a> => {
self.handle_misnested_a_tags(&tag);
self.reconstruct_formatting();
self.create_formatting_element_for(tag);
ProcessResult::Done
}
tag @ <b> <big> <code> <em> <font> <i> <s> <small> <strike> <strong> <tt> <u> => {
self.reconstruct_formatting();
self.create_formatting_element_for(tag);
ProcessResult::Done
}
tag @ <nobr> => {
self.reconstruct_formatting();
if self.in_scope_named(default_scope, local_name!("nobr")) {
self.sink.parse_error(Borrowed("Nested <nobr>"));
self.adoption_agency(local_name!("nobr"));
self.reconstruct_formatting();
}
self.create_formatting_element_for(tag);
ProcessResult::Done
}
tag @ </a> </b> </big> </code> </em> </font> </i> </nobr>
</s> </small> </strike> </strong> </tt> </u> => {
self.adoption_agency(tag.name);
ProcessResult::Done
}
tag @ <applet> <marquee> <object> => {
self.reconstruct_formatting();
self.insert_element_for(tag);
self.active_formatting.borrow_mut().push(FormatEntry::Marker);
self.frameset_ok.set(false);
ProcessResult::Done
}
tag @ </applet> </marquee> </object> => {
if !self.in_scope_named(default_scope, tag.name.clone()) {
self.unexpected(&tag);
} else {
self.generate_implied_end(cursory_implied_end);
self.expect_to_close(tag.name);
self.clear_active_formatting_to_marker();
}
ProcessResult::Done
}
tag @ <table> => {
if self.quirks_mode.get() != Quirks {
self.close_p_element_in_button_scope();
}
self.insert_element_for(tag);
self.frameset_ok.set(false);
self.mode.set(InsertionMode::InTable);
ProcessResult::Done
}
tag @ </br> => {
self.unexpected(&tag);
self.step(InsertionMode::InBody, Token::Tag(Tag {
kind: StartTag,
attrs: vec!(),
..tag
}))
}
tag @ <area> <br> <embed> <img> <keygen> <wbr> <input> => {
let keep_frameset_ok = match tag.name {
local_name!("input") => self.is_type_hidden(&tag),
_ => false,
};
self.reconstruct_formatting();
self.insert_and_pop_element_for(tag);
if !keep_frameset_ok {
self.frameset_ok.set(false);
}
ProcessResult::DoneAckSelfClosing
}
tag @ <param> <source> <track> => {
self.insert_and_pop_element_for(tag);
ProcessResult::DoneAckSelfClosing
}
tag @ <hr> => {
self.close_p_element_in_button_scope();
self.insert_and_pop_element_for(tag);
self.frameset_ok.set(false);
ProcessResult::DoneAckSelfClosing
}
tag @ <image> => {
self.unexpected(&tag);
self.step(InsertionMode::InBody, Token::Tag(Tag {
name: local_name!("img"),
..tag
}))
}
tag @ <textarea> => {
self.ignore_lf.set(true);
self.frameset_ok.set(false);
self.parse_raw_data(tag, Rcdata)
}
tag @ <xmp> => {
self.close_p_element_in_button_scope();
self.reconstruct_formatting();
self.frameset_ok.set(false);
self.parse_raw_data(tag, Rawtext)
}
tag @ <iframe> => {
self.frameset_ok.set(false);
self.parse_raw_data(tag, Rawtext)
}
tag @ <noembed> => {
self.parse_raw_data(tag, Rawtext)
}
// <noscript> handled in wildcard case below
tag @ <select> => {
self.reconstruct_formatting();
self.insert_element_for(tag);
self.frameset_ok.set(false);
// NB: mode == InBody but possibly self.mode != mode, if
// we're processing "as in the rules for InBody".
self.mode.set(match self.mode.get() {
InsertionMode::InTable | InsertionMode::InCaption | InsertionMode::InTableBody
| InsertionMode::InRow | InsertionMode::InCell => InsertionMode::InSelectInTable,
_ => InsertionMode::InSelect,
});
ProcessResult::Done
}
tag @ <optgroup> <option> => {
if self.current_node_named(local_name!("option")) {
self.pop();
}
self.reconstruct_formatting();
self.insert_element_for(tag);
ProcessResult::Done
}
tag @ <rb> <rtc> => {
if self.in_scope_named(default_scope, local_name!("ruby")) {
self.generate_implied_end(cursory_implied_end);
}
if !self.current_node_named(local_name!("ruby")) {
self.unexpected(&tag);
}
self.insert_element_for(tag);
ProcessResult::Done
}
tag @ <rp> <rt> => {
if self.in_scope_named(default_scope, local_name!("ruby")) {
self.generate_implied_end_except(local_name!("rtc"));
}
if !self.current_node_named(local_name!("rtc")) && !self.current_node_named(local_name!("ruby")) {
self.unexpected(&tag);
}
self.insert_element_for(tag);
ProcessResult::Done
}
tag @ <math> => self.enter_foreign(tag, ns!(mathml)),
tag @ <svg> => self.enter_foreign(tag, ns!(svg)),
<caption> <col> <colgroup> <frame> <head>
<tbody> <td> <tfoot> <th> <thead> <tr> => {
self.unexpected(&token);
ProcessResult::Done
}
tag @ <_> => {
if self.opts.scripting_enabled && tag.name == local_name!("noscript") {
self.parse_raw_data(tag, Rawtext)
} else {
self.reconstruct_formatting();
self.insert_element_for(tag);
ProcessResult::Done
}
}
tag @ </_> => {
self.process_end_tag_in_body(tag);
ProcessResult::Done
}
// FIXME: This should be unreachable, but match_token requires a
// catch-all case.
_ => panic!("impossible case in InBody mode"),
}),
//§ parsing-main-incdata
InsertionMode::Text => match_token!(token {
Token::Characters(_, text) => self.append_text(text),
Token::Eof => {
self.unexpected(&token);
if self.current_node_named(local_name!("script")) {
let open_elems = self.open_elems.borrow();
let current = current_node(&open_elems);
self.sink.mark_script_already_started(current);
}
self.pop();
ProcessResult::Reprocess(self.orig_mode.take().unwrap(), token)
}
tag @ </_> => {
let node = self.pop();
self.mode.set(self.orig_mode.take().unwrap());
if tag.name == local_name!("script") {
return ProcessResult::Script(node);
}
ProcessResult::Done
}
// The spec doesn't say what to do here.
// Other tokens are impossible?
_ => panic!("impossible case in Text mode"),
}),
//§ parsing-main-intable
InsertionMode::InTable => match_token!(token {
// FIXME: hack, should implement pat | pat for match_token instead
Token::NullCharacter => self.process_chars_in_table(token),
Token::Characters(..) => self.process_chars_in_table(token),
Token::Comment(text) => self.append_comment(text),
tag @ <caption> => {
self.pop_until_current(table_scope);
self.active_formatting.borrow_mut().push(FormatEntry::Marker);
self.insert_element_for(tag);
self.mode.set(InsertionMode::InCaption);
ProcessResult::Done
}
tag @ <colgroup> => {
self.pop_until_current(table_scope);
self.insert_element_for(tag);
self.mode.set(InsertionMode::InColumnGroup);
ProcessResult::Done
}
<col> => {
self.pop_until_current(table_scope);
self.insert_phantom(local_name!("colgroup"));
ProcessResult::Reprocess(InsertionMode::InColumnGroup, token)
}
tag @ <tbody> <tfoot> <thead> => {
self.pop_until_current(table_scope);
self.insert_element_for(tag);
self.mode.set(InsertionMode::InTableBody);
ProcessResult::Done
}
<td> <th> <tr> => {
self.pop_until_current(table_scope);
self.insert_phantom(local_name!("tbody"));
ProcessResult::Reprocess(InsertionMode::InTableBody, token)
}
<table> => {
self.unexpected(&token);
if self.in_scope_named(table_scope, local_name!("table")) {
self.pop_until_named(local_name!("table"));
ProcessResult::Reprocess(self.reset_insertion_mode(), token)
} else {
ProcessResult::Done
}
}
</table> => {
if self.in_scope_named(table_scope, local_name!("table")) {
self.pop_until_named(local_name!("table"));
self.mode.set(self.reset_insertion_mode());
} else {
self.unexpected(&token);
}
ProcessResult::Done
}
</body> </caption> </col> </colgroup> </html>
</tbody> </td> </tfoot> </th> </thead> </tr> =>
self.unexpected(&token),
<style> <script> <template> </template>
=> self.step(InsertionMode::InHead, token),
tag @ <input> => {
self.unexpected(&tag);
if self.is_type_hidden(&tag) {
self.insert_and_pop_element_for(tag);
ProcessResult::DoneAckSelfClosing
} else {
self.foster_parent_in_body(Token::Tag(tag))
}
}
tag @ <form> => {
self.unexpected(&tag);
if !self.in_html_elem_named(local_name!("template")) && self.form_elem.borrow().is_none() {
*self.form_elem.borrow_mut() = Some(self.insert_and_pop_element_for(tag));
}
ProcessResult::Done
}
Token::Eof => self.step(InsertionMode::InBody, token),
token => {
self.unexpected(&token);
self.foster_parent_in_body(token)
}
}),
//§ parsing-main-intabletext
InsertionMode::InTableText => match_token!(token {
Token::NullCharacter => self.unexpected(&token),
Token::Characters(split, text) => {
self.pending_table_text.borrow_mut().push((split, text));
ProcessResult::Done
}
token => {
let pending = self.pending_table_text.take();
let contains_nonspace = pending.iter().any(|&(split, ref text)| {
match split {
SplitStatus::Whitespace => false,
SplitStatus::NotWhitespace => true,
SplitStatus::NotSplit => any_not_whitespace(text),
}
});
if contains_nonspace {
self.sink.parse_error(Borrowed("Non-space table text"));
for (split, text) in pending.into_iter() {
match self.foster_parent_in_body(Token::Characters(split, text)) {
ProcessResult::Done => (),
_ => panic!("not prepared to handle this!"),
}
}
} else {
for (_, text) in pending.into_iter() {
self.append_text(text);
}
}
ProcessResult::Reprocess(self.orig_mode.take().unwrap(), token)
}
}),
//§ parsing-main-incaption
InsertionMode::InCaption => match_token!(token {
tag @ <caption> <col> <colgroup> <tbody> <td> <tfoot>
<th> <thead> <tr> </table> </caption> => {
if self.in_scope_named(table_scope, local_name!("caption")) {
self.generate_implied_end(cursory_implied_end);
self.expect_to_close(local_name!("caption"));
self.clear_active_formatting_to_marker();
match tag {
Tag { kind: EndTag, name: local_name!("caption"), .. } => {
self.mode.set(InsertionMode::InTable);
ProcessResult::Done
}
_ => ProcessResult::Reprocess(InsertionMode::InTable, Token::Tag(tag))
}
} else {
self.unexpected(&tag);
ProcessResult::Done
}
}
</body> </col> </colgroup> </html> </tbody>
</td> </tfoot> </th> </thead> </tr> => self.unexpected(&token),
token => self.step(InsertionMode::InBody, token),
}),
//§ parsing-main-incolgroup
InsertionMode::InColumnGroup => match_token!(token {
Token::Characters(SplitStatus::NotSplit, text) => ProcessResult::SplitWhitespace(text),
Token::Characters(SplitStatus::Whitespace, text) => self.append_text(text),
Token::Comment(text) => self.append_comment(text),
<html> => self.step(InsertionMode::InBody, token),
tag @ <col> => {
self.insert_and_pop_element_for(tag);
ProcessResult::DoneAckSelfClosing
}
</colgroup> => {
if self.current_node_named(local_name!("colgroup")) {
self.pop();
self.mode.set(InsertionMode::InTable);
} else {
self.unexpected(&token);
}
ProcessResult::Done
}
</col> => self.unexpected(&token),
<template> </template> => self.step(InsertionMode::InHead, token),
Token::Eof => self.step(InsertionMode::InBody, token),
token => {
if self.current_node_named(local_name!("colgroup")) {
self.pop();
ProcessResult::Reprocess(InsertionMode::InTable, token)
} else {
self.unexpected(&token)
}