src/vendor/html5ever/src/tree_builder/types.rs

   1 // Copyright 2014-2017 The html5ever Project Developers. See the
   2 // COPYRIGHT file at the top-level directory of this distribution.
   3 //
   4 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   5 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   7 // option. This file may not be copied, modified, or distributed
   8 // except according to those terms.
   9
  10 //! Types used within the tree builder code.  Not exported to users.
  11
  12 use tokenizer::Tag;
  13 use tokenizer::states::RawKind;
  14
  15 use tendril::StrTendril;
  16
  17 pub use self::InsertionMode::*;
  18 pub use self::SplitStatus::*;
  19 pub use self::Token::*;
  20 pub use self::ProcessResult::*;
  21 pub use self::FormatEntry::*;
  22 pub use self::InsertionPoint::*;
  23
  24 #[derive(PartialEq, Eq, Copy, Clone, Debug)]
  25 pub enum InsertionMode {
  26     Initial,
  27     BeforeHtml,
  28     BeforeHead,
  29     InHead,
  30     InHeadNoscript,
  31     AfterHead,
  32     InBody,
  33     Text,
  34     InTable,
  35     InTableText,
  36     InCaption,
  37     InColumnGroup,
  38     InTableBody,
  39     InRow,
  40     InCell,
  41     InSelect,
  42     InSelectInTable,
  43     InTemplate,
  44     AfterBody,
  45     InFrameset,
  46     AfterFrameset,
  47     AfterAfterBody,
  48     AfterAfterFrameset,
  49 }
  50
  51 #[derive(PartialEq, Eq, Copy, Clone, Debug)]
  52 pub enum SplitStatus {
  53     NotSplit,
  54     Whitespace,
  55     NotWhitespace,
  56 }
  57
  58 /// A subset/refinement of `tokenizer::Token`.  Everything else is handled
  59 /// specially at the beginning of `process_token`.
  60 #[derive(PartialEq, Eq, Clone, Debug)]
  61 pub enum Token {
  62     TagToken(Tag),
  63     CommentToken(StrTendril),
  64     CharacterTokens(SplitStatus, StrTendril),
  65     NullCharacterToken,
  66     EOFToken,
  67 }
  68
  69 pub enum ProcessResult<Handle> {
  70     Done,
  71     DoneAckSelfClosing,
  72     SplitWhitespace(StrTendril),
  73     Reprocess(InsertionMode, Token),
  74     ReprocessForeign(Token),
  75     Script(Handle),
  76     ToPlaintext,
  77     ToRawData(RawKind),
  78 }
  79
  80 pub enum FormatEntry<Handle> {
  81     Element(Handle, Tag),
  82     Marker,
  83 }
  84
  85 pub enum InsertionPoint<Handle> {
  86     /// Insert as last child in this parent.
  87     LastChild(Handle),
  88     /// Insert before this following sibling.
  89     BeforeSibling(Handle)
  90 }