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1import { Tokenizer, TokenizerMode, type TokenHandler } from '../tokenizer/index.js';
2import { OpenElementStack, type StackHandler } from './open-element-stack.js';
3import { FormattingElementList } from './formatting-element-list.js';
4import { ERR, type ParserErrorHandler } from '../common/error-codes.js';
5import { TAG_ID as $, NS } from '../common/html.js';
6import type { TreeAdapter, TreeAdapterTypeMap } from '../tree-adapters/interface.js';
7import { type Token, type CommentToken, type CharacterToken, type TagToken, type DoctypeToken, type EOFToken, type LocationWithAttributes } from '../common/token.js';
8declare enum InsertionMode {
9 INITIAL = 0,
10 BEFORE_HTML = 1,
11 BEFORE_HEAD = 2,
12 IN_HEAD = 3,
13 IN_HEAD_NO_SCRIPT = 4,
14 AFTER_HEAD = 5,
15 IN_BODY = 6,
16 TEXT = 7,
17 IN_TABLE = 8,
18 IN_TABLE_TEXT = 9,
19 IN_CAPTION = 10,
20 IN_COLUMN_GROUP = 11,
21 IN_TABLE_BODY = 12,
22 IN_ROW = 13,
23 IN_CELL = 14,
24 IN_SELECT = 15,
25 IN_SELECT_IN_TABLE = 16,
26 IN_TEMPLATE = 17,
27 AFTER_BODY = 18,
28 IN_FRAMESET = 19,
29 AFTER_FRAMESET = 20,
30 AFTER_AFTER_BODY = 21,
31 AFTER_AFTER_FRAMESET = 22
32}
33export interface ParserOptions<T extends TreeAdapterTypeMap> {
34 /**
35 * The [scripting flag](https://html.spec.whatwg.org/multipage/parsing.html#scripting-flag). If set
36 * to `true`, `noscript` element content will be parsed as text.
37 *
38 * @default `true`
39 */
40 scriptingEnabled?: boolean;
41 /**
42 * Enables source code location information. When enabled, each node (except the root node)
43 * will have a `sourceCodeLocation` property. If the node is not an empty element, `sourceCodeLocation` will
44 * be a {@link ElementLocation} object, otherwise it will be {@link Location}.
45 * If the element was implicitly created by the parser (as part of
46 * [tree correction](https://html.spec.whatwg.org/multipage/syntax.html#an-introduction-to-error-handling-and-strange-cases-in-the-parser)),
47 * its `sourceCodeLocation` property will be `undefined`.
48 *
49 * @default `false`
50 */
51 sourceCodeLocationInfo?: boolean;
52 /**
53 * Specifies the resulting tree format.
54 *
55 * @default `treeAdapters.default`
56 */
57 treeAdapter?: TreeAdapter<T>;
58 /**
59 * Callback for parse errors.
60 *
61 * @default `null`
62 */
63 onParseError?: ParserErrorHandler | null;
64}
65export declare class Parser<T extends TreeAdapterTypeMap> implements TokenHandler, StackHandler<T> {
66 fragmentContext: T['element'] | null;
67 scriptHandler: null | ((pendingScript: T['element']) => void);
68 treeAdapter: TreeAdapter<T>;
69 onParseError: ParserErrorHandler | null;
70 private currentToken;
71 options: Required<ParserOptions<T>>;
72 document: T['document'];
73 constructor(options?: ParserOptions<T>, document?: T['document'], fragmentContext?: T['element'] | null, scriptHandler?: null | ((pendingScript: T['element']) => void));
74 static parse<T extends TreeAdapterTypeMap>(html: string, options?: ParserOptions<T>): T['document'];
75 static getFragmentParser<T extends TreeAdapterTypeMap>(fragmentContext?: T['parentNode'] | null, options?: ParserOptions<T>): Parser<T>;
76 getFragment(): T['documentFragment'];
77 tokenizer: Tokenizer;
78 stopped: boolean;
79 insertionMode: InsertionMode;
80 originalInsertionMode: InsertionMode;
81 fragmentContextID: $;
82 headElement: null | T['element'];
83 formElement: null | T['element'];
84 openElements: OpenElementStack<T>;
85 activeFormattingElements: FormattingElementList<T>;
86 /** Indicates that the current node is not an element in the HTML namespace */
87 private currentNotInHTML;
88 /**
89 * The template insertion mode stack is maintained from the left.
90 * Ie. the topmost element will always have index 0.
91 */
92 tmplInsertionModeStack: InsertionMode[];
93 pendingCharacterTokens: CharacterToken[];
94 hasNonWhitespacePendingCharacterToken: boolean;
95 framesetOk: boolean;
96 skipNextNewLine: boolean;
97 fosterParentingEnabled: boolean;
98 _err(token: Token, code: ERR, beforeToken?: boolean): void;
99 onItemPush(node: T['parentNode'], tid: number, isTop: boolean): void;
100 onItemPop(node: T['parentNode'], isTop: boolean): void;
101 private _setContextModes;
102 _switchToTextParsing(currentToken: TagToken, nextTokenizerState: typeof TokenizerMode[keyof typeof TokenizerMode]): void;
103 switchToPlaintextParsing(): void;
104 _getAdjustedCurrentElement(): T['element'];
105 _findFormInFragmentContext(): void;
106 private _initTokenizerForFragmentParsing;
107 _setDocumentType(token: DoctypeToken): void;
108 _attachElementToTree(element: T['element'], location: LocationWithAttributes | null): void;
109 _appendElement(token: TagToken, namespaceURI: NS): void;
110 _insertElement(token: TagToken, namespaceURI: NS): void;
111 _insertFakeElement(tagName: string, tagID: $): void;
112 _insertTemplate(token: TagToken): void;
113 _insertFakeRootElement(): void;
114 _appendCommentNode(token: CommentToken, parent: T['parentNode']): void;
115 _insertCharacters(token: CharacterToken): void;
116 _adoptNodes(donor: T['parentNode'], recipient: T['parentNode']): void;
117 _setEndLocation(element: T['element'], closingToken: Token): void;
118 private shouldProcessStartTagTokenInForeignContent;
119 _processToken(token: Token): void;
120 _isIntegrationPoint(tid: $, element: T['element'], foreignNS?: NS): boolean;
121 _reconstructActiveFormattingElements(): void;
122 _closeTableCell(): void;
123 _closePElement(): void;
124 _resetInsertionMode(): void;
125 _resetInsertionModeForSelect(selectIdx: number): void;
126 _isElementCausesFosterParenting(tn: $): boolean;
127 _shouldFosterParentOnInsertion(): boolean;
128 _findFosterParentingLocation(): {
129 parent: T['parentNode'];
130 beforeElement: T['element'] | null;
131 };
132 _fosterParentElement(element: T['element']): void;
133 _isSpecialElement(element: T['element'], id: $): boolean;
134 onCharacter(token: CharacterToken): void;
135 onNullCharacter(token: CharacterToken): void;
136 onComment(token: CommentToken): void;
137 onDoctype(token: DoctypeToken): void;
138 onStartTag(token: TagToken): void;
139 /**
140 * Processes a given start tag.
141 *
142 * `onStartTag` checks if a self-closing tag was recognized. When a token
143 * is moved inbetween multiple insertion modes, this check for self-closing
144 * could lead to false positives. To avoid this, `_processStartTag` is used
145 * for nested calls.
146 *
147 * @param token The token to process.
148 */
149 _processStartTag(token: TagToken): void;
150 _startTagOutsideForeignContent(token: TagToken): void;
151 onEndTag(token: TagToken): void;
152 _endTagOutsideForeignContent(token: TagToken): void;
153 onEof(token: EOFToken): void;
154 onWhitespaceCharacter(token: CharacterToken): void;
155}
156export {};
157//# sourceMappingURL=index.d.ts.map
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