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import { Tokenizer, TokenizerMode, type TokenHandler } from '../tokenizer/index.js';
import { OpenElementStack, type StackHandler } from './open-element-stack.js';
import { FormattingElementList } from './formatting-element-list.js';
import { ERR, type ParserErrorHandler } from '../common/error-codes.js';
import { TAG_ID as $, NS } from '../common/html.js';
import type { TreeAdapter, TreeAdapterTypeMap } from '../tree-adapters/interface.js';
import { type Token, type CommentToken, type CharacterToken, type TagToken, type DoctypeToken, type EOFToken, type LocationWithAttributes } from '../common/token.js';
declare enum InsertionMode {
INITIAL = 0,
BEFORE_HTML = 1,
BEFORE_HEAD = 2,
IN_HEAD = 3,
IN_HEAD_NO_SCRIPT = 4,
AFTER_HEAD = 5,
IN_BODY = 6,
TEXT = 7,
IN_TABLE = 8,
IN_TABLE_TEXT = 9,
IN_CAPTION = 10,
IN_COLUMN_GROUP = 11,
IN_TABLE_BODY = 12,
IN_ROW = 13,
IN_CELL = 14,
IN_SELECT = 15,
IN_SELECT_IN_TABLE = 16,
IN_TEMPLATE = 17,
AFTER_BODY = 18,
IN_FRAMESET = 19,
AFTER_FRAMESET = 20,
AFTER_AFTER_BODY = 21,
AFTER_AFTER_FRAMESET = 22
}
export interface ParserOptions<T extends TreeAdapterTypeMap> {
/**
* The [scripting flag](https://html.spec.whatwg.org/multipage/parsing.html#scripting-flag). If set
* to `true`, `noscript` element content will be parsed as text.
*
* @default `true`
*/
scriptingEnabled?: boolean;
/**
* Enables source code location information. When enabled, each node (except the root node)
* will have a `sourceCodeLocation` property. If the node is not an empty element, `sourceCodeLocation` will
* be a {@link ElementLocation} object, otherwise it will be {@link Location}.
* If the element was implicitly created by the parser (as part of
* [tree correction](https://html.spec.whatwg.org/multipage/syntax.html#an-introduction-to-error-handling-and-strange-cases-in-the-parser)),
* its `sourceCodeLocation` property will be `undefined`.
*
* @default `false`
*/
sourceCodeLocationInfo?: boolean;
/**
* Specifies the resulting tree format.
*
* @default `treeAdapters.default`
*/
treeAdapter?: TreeAdapter<T>;
/**
* Callback for parse errors.
*
* @default `null`
*/
onParseError?: ParserErrorHandler | null;
}
export declare class Parser<T extends TreeAdapterTypeMap> implements TokenHandler, StackHandler<T> {
/** @internal */
fragmentContext: T['element'] | null;
/** @internal */
scriptHandler: null | ((pendingScript: T['element']) => void);
treeAdapter: TreeAdapter<T>;
/** @internal */
onParseError: ParserErrorHandler | null;
protected currentToken: Token | null;
options: Required<ParserOptions<T>>;
document: T['document'];
constructor(options?: ParserOptions<T>, document?: T['document'],
/** @internal */
fragmentContext?: T['element'] | null,
/** @internal */
scriptHandler?: null | ((pendingScript: T['element']) => void));
static parse<T extends TreeAdapterTypeMap>(html: string, options?: ParserOptions<T>): T['document'];
static getFragmentParser<T extends TreeAdapterTypeMap>(fragmentContext?: T['parentNode'] | null, options?: ParserOptions<T>): Parser<T>;
getFragment(): T['documentFragment'];
tokenizer: Tokenizer;
stopped: boolean;
/** @internal */
insertionMode: InsertionMode;
/** @internal */
originalInsertionMode: InsertionMode;
/** @internal */
fragmentContextID: $;
/** @internal */
headElement: null | T['element'];
/** @internal */
formElement: null | T['element'];
/** @internal */
openElements: OpenElementStack<T>;
/** @internal */
activeFormattingElements: FormattingElementList<T>;
/** Indicates that the current node is not an element in the HTML namespace */
protected currentNotInHTML: boolean;
/**
* The template insertion mode stack is maintained from the left.
* Ie. the topmost element will always have index 0.
*
* @internal
*/
tmplInsertionModeStack: InsertionMode[];
/** @internal */
pendingCharacterTokens: CharacterToken[];
/** @internal */
hasNonWhitespacePendingCharacterToken: boolean;
/** @internal */
framesetOk: boolean;
/** @internal */
skipNextNewLine: boolean;
/** @internal */
fosterParentingEnabled: boolean;
/** @internal */
_err(token: Token, code: ERR, beforeToken?: boolean): void;
/** @internal */
onItemPush(node: T['parentNode'], tid: number, isTop: boolean): void;
/** @internal */
onItemPop(node: T['parentNode'], isTop: boolean): void;
protected _setContextModes(current: T['parentNode'] | undefined, tid: number | undefined): void;
/** @protected */
_switchToTextParsing(currentToken: TagToken, nextTokenizerState: (typeof TokenizerMode)[keyof typeof TokenizerMode]): void;
switchToPlaintextParsing(): void;
/** @protected */
_getAdjustedCurrentElement(): T['element'];
/** @protected */
_findFormInFragmentContext(): void;
protected _initTokenizerForFragmentParsing(): void;
/** @protected */
_setDocumentType(token: DoctypeToken): void;
/** @protected */
_attachElementToTree(element: T['element'], location: LocationWithAttributes | null): void;
/**
* For self-closing tags. Add an element to the tree, but skip adding it
* to the stack.
*/
/** @protected */
_appendElement(token: TagToken, namespaceURI: NS): void;
/** @protected */
_insertElement(token: TagToken, namespaceURI: NS): void;
/** @protected */
_insertFakeElement(tagName: string, tagID: $): void;
/** @protected */
_insertTemplate(token: TagToken): void;
/** @protected */
_insertFakeRootElement(): void;
/** @protected */
_appendCommentNode(token: CommentToken, parent: T['parentNode']): void;
/** @protected */
_insertCharacters(token: CharacterToken): void;
/** @protected */
_adoptNodes(donor: T['parentNode'], recipient: T['parentNode']): void;
/** @protected */
_setEndLocation(element: T['element'], closingToken: Token): void;
protected shouldProcessStartTagTokenInForeignContent(token: TagToken): boolean;
/** @protected */
_processToken(token: Token): void;
/** @protected */
_isIntegrationPoint(tid: $, element: T['element'], foreignNS?: NS): boolean;
/** @protected */
_reconstructActiveFormattingElements(): void;
/** @protected */
_closeTableCell(): void;
/** @protected */
_closePElement(): void;
/** @protected */
_resetInsertionMode(): void;
/** @protected */
_resetInsertionModeForSelect(selectIdx: number): void;
/** @protected */
_isElementCausesFosterParenting(tn: $): boolean;
/** @protected */
_shouldFosterParentOnInsertion(): boolean;
/** @protected */
_findFosterParentingLocation(): {
parent: T['parentNode'];
beforeElement: T['element'] | null;
};
/** @protected */
_fosterParentElement(element: T['element']): void;
/** @protected */
_isSpecialElement(element: T['element'], id: $): boolean;
/** @internal */
onCharacter(token: CharacterToken): void;
/** @internal */
onNullCharacter(token: CharacterToken): void;
/** @internal */
onComment(token: CommentToken): void;
/** @internal */
onDoctype(token: DoctypeToken): void;
/** @internal */
onStartTag(token: TagToken): void;
/**
* Processes a given start tag.
*
* `onStartTag` checks if a self-closing tag was recognized. When a token
* is moved inbetween multiple insertion modes, this check for self-closing
* could lead to false positives. To avoid this, `_processStartTag` is used
* for nested calls.
*
* @param token The token to process.
* @protected
*/
_processStartTag(token: TagToken): void;
/** @protected */
_startTagOutsideForeignContent(token: TagToken): void;
/** @internal */
onEndTag(token: TagToken): void;
/** @protected */
_endTagOutsideForeignContent(token: TagToken): void;
/** @internal */
onEof(token: EOFToken): void;
/** @internal */
onWhitespaceCharacter(token: CharacterToken): void;
}
export {};
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