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636 lines
20 KiB
636 lines
20 KiB
2 years ago
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/**
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* The list of supported events.
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*/
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export declare const EVENTS: readonly ["xmldecl", "text", "processinginstruction", "doctype", "comment", "opentagstart", "attribute", "opentag", "closetag", "cdata", "error", "end", "ready"];
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/**
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* Event handler for the
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*
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* @param text The text data encountered by the parser.
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*
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*/
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export declare type XMLDeclHandler = (decl: XMLDecl) => void;
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/**
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* Event handler for text data.
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*
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* @param text The text data encountered by the parser.
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*
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*/
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export declare type TextHandler = (text: string) => void;
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/**
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* Event handler for processing instructions.
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*
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* @param data The target and body of the processing instruction.
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*/
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export declare type PIHandler = (data: {
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target: string;
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body: string;
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}) => void;
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/**
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* Event handler for doctype.
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*
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* @param doctype The doctype contents.
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*/
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export declare type DoctypeHandler = (doctype: string) => void;
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/**
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* Event handler for comments.
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*
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* @param comment The comment contents.
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*/
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export declare type CommentHandler = (comment: string) => void;
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/**
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* Event handler for the start of an open tag. This is called as soon as we
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* have a tag name.
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*
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* @param tag The tag.
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*/
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export declare type OpenTagStartHandler<O> = (tag: StartTagForOptions<O>) => void;
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export declare type AttributeEventForOptions<O extends SaxesOptions> = O extends {
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xmlns: true;
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} ? SaxesAttributeNSIncomplete : O extends {
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xmlns?: false | undefined;
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} ? SaxesAttributePlain : SaxesAttribute;
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/**
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* Event handler for attributes.
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*/
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export declare type AttributeHandler<O> = (attribute: AttributeEventForOptions<O>) => void;
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/**
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* Event handler for an open tag. This is called when the open tag is
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* complete. (We've encountered the ">" that ends the open tag.)
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*
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* @param tag The tag.
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*/
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export declare type OpenTagHandler<O> = (tag: TagForOptions<O>) => void;
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/**
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* Event handler for a close tag. Note that for self-closing tags, this is
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* called right after ``opentag``.
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*
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* @param tag The tag.
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*/
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export declare type CloseTagHandler<O> = (tag: TagForOptions<O>) => void;
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/**
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* Event handler for a CDATA section. This is called when ending the
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* CDATA section.
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*
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* @param cdata The contents of the CDATA section.
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*/
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export declare type CDataHandler = (cdata: string) => void;
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/**
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* Event handler for the stream end. This is called when the stream has been
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* closed with ``close`` or by passing ``null`` to ``write``.
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*/
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export declare type EndHandler = () => void;
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/**
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* Event handler indicating parser readiness . This is called when the parser
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* is ready to parse a new document.
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*/
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export declare type ReadyHandler = () => void;
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/**
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* Event handler indicating an error.
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*
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* @param err The error that occurred.
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*/
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export declare type ErrorHandler = (err: Error) => void;
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export declare type EventName = (typeof EVENTS)[number];
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export declare type EventNameToHandler<O, N extends EventName> = {
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"xmldecl": XMLDeclHandler;
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"text": TextHandler;
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"processinginstruction": PIHandler;
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"doctype": DoctypeHandler;
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"comment": CommentHandler;
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"opentagstart": OpenTagStartHandler<O>;
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"attribute": AttributeHandler<O>;
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"opentag": OpenTagHandler<O>;
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"closetag": CloseTagHandler<O>;
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"cdata": CDataHandler;
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"error": ErrorHandler;
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"end": EndHandler;
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"ready": ReadyHandler;
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}[N];
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/**
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* This interface defines the structure of attributes when the parser is
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* processing namespaces (created with ``xmlns: true``).
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*/
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export interface SaxesAttributeNS {
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/**
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* The attribute's name. This is the combination of prefix and local name.
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* For instance ``a:b="c"`` would have ``a:b`` for name.
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*/
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name: string;
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/**
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* The attribute's prefix. For instance ``a:b="c"`` would have ``"a"`` for
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* ``prefix``.
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*/
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prefix: string;
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/**
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* The attribute's local name. For instance ``a:b="c"`` would have ``"b"`` for
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* ``local``.
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*/
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local: string;
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/** The namespace URI of this attribute. */
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uri: string;
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/** The attribute's value. */
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value: string;
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}
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/**
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* This is an attribute, as recorded by a parser which parses namespaces but
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* prior to the URI being resolvable. This is what is passed to the attribute
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* event handler.
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*/
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export declare type SaxesAttributeNSIncomplete = Exclude<SaxesAttributeNS, "uri">;
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/**
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* This interface defines the structure of attributes when the parser is
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* NOT processing namespaces (created with ``xmlns: false``).
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*/
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export interface SaxesAttributePlain {
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/**
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* The attribute's name.
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*/
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name: string;
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/** The attribute's value. */
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value: string;
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}
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/**
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* A saxes attribute, with or without namespace information.
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*/
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export declare type SaxesAttribute = SaxesAttributeNS | SaxesAttributePlain;
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/**
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* This are the fields that MAY be present on a complete tag.
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*/
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export interface SaxesTag {
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/**
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* The tag's name. This is the combination of prefix and global name. For
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* instance ``<a:b>`` would have ``"a:b"`` for ``name``.
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*/
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name: string;
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/**
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* A map of attribute name to attributes. If namespaces are tracked, the
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* values in the map are attribute objects. Otherwise, they are strings.
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*/
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attributes: Record<string, SaxesAttributeNS> | Record<string, string>;
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/**
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* The namespace bindings in effect.
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*/
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ns?: Record<string, string>;
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/**
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* The tag's prefix. For instance ``<a:b>`` would have ``"a"`` for
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* ``prefix``. Undefined if we do not track namespaces.
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*/
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prefix?: string;
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/**
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* The tag's local name. For instance ``<a:b>`` would
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* have ``"b"`` for ``local``. Undefined if we do not track namespaces.
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*/
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local?: string;
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/**
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* The namespace URI of this tag. Undefined if we do not track namespaces.
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*/
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uri?: string;
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/** Whether the tag is self-closing (e.g. ``<foo/>``). */
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isSelfClosing: boolean;
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}
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/**
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* This type defines the fields that are present on a tag object when
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* ``onopentagstart`` is called. This interface is namespace-agnostic.
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*/
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export declare type SaxesStartTag = Pick<SaxesTag, "name" | "attributes" | "ns">;
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/**
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* This type defines the fields that are present on a tag object when
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* ``onopentagstart`` is called on a parser that does not processes namespaces.
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*/
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export declare type SaxesStartTagPlain = Pick<SaxesStartTag, "name" | "attributes">;
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/**
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* This type defines the fields that are present on a tag object when
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* ``onopentagstart`` is called on a parser that does process namespaces.
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*/
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export declare type SaxesStartTagNS = Required<SaxesStartTag>;
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/**
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* This are the fields that are present on a complete tag produced by a parser
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* that does process namespaces.
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*/
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export declare type SaxesTagNS = Required<SaxesTag> & {
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attributes: Record<string, SaxesAttributeNS>;
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};
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/**
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* This are the fields that are present on a complete tag produced by a parser
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* that does not process namespaces.
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*/
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export declare type SaxesTagPlain = Pick<SaxesTag, "name" | "attributes" | "isSelfClosing"> & {
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attributes: Record<string, string>;
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};
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/**
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* An XML declaration.
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*/
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export interface XMLDecl {
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/** The version specified by the XML declaration. */
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version?: string;
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/** The encoding specified by the XML declaration. */
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encoding?: string;
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/** The value of the standalone parameter */
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standalone?: string;
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}
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/**
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* A callback for resolving name prefixes.
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*
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* @param prefix The prefix to check.
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*
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* @returns The URI corresponding to the prefix, if any.
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*/
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export declare type ResolvePrefix = (prefix: string) => string | undefined;
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export interface CommonOptions {
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/** Whether to accept XML fragments. Unset means ``false``. */
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fragment?: boolean;
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/** Whether to track positions. Unset means ``true``. */
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position?: boolean;
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/**
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* A file name to use for error reporting. "File name" is a loose concept. You
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* could use a URL to some resource, or any descriptive name you like.
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*/
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fileName?: string;
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}
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export interface NSOptions {
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/** Whether to track namespaces. Unset means ``false``. */
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xmlns?: boolean;
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/**
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* A plain object whose key, value pairs define namespaces known before
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* parsing the XML file. It is not legal to pass bindings for the namespaces
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* ``"xml"`` or ``"xmlns"``.
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*/
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additionalNamespaces?: Record<string, string>;
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/**
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* A function that will be used if the parser cannot resolve a namespace
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* prefix on its own.
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*/
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resolvePrefix?: ResolvePrefix;
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}
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export interface NSOptionsWithoutNamespaces extends NSOptions {
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xmlns?: false;
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additionalNamespaces?: undefined;
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resolvePrefix?: undefined;
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}
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export interface NSOptionsWithNamespaces extends NSOptions {
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xmlns: true;
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}
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export interface XMLVersionOptions {
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/**
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* The default XML version to use. If unspecified, and there is no XML
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* encoding declaration, the default version is "1.0".
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*/
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defaultXMLVersion?: "1.0" | "1.1";
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/**
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* A flag indicating whether to force the XML version used for parsing to the
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* value of ``defaultXMLVersion``. When this flag is ``true``,
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* ``defaultXMLVersion`` must be specified. If unspecified, the default value
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* of this flag is ``false``.
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*/
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forceXMLVersion?: boolean;
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}
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export interface NoForcedXMLVersion extends XMLVersionOptions {
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forceXMLVersion?: false;
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}
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export interface ForcedXMLVersion extends XMLVersionOptions {
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forceXMLVersion: true;
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defaultXMLVersion: Exclude<XMLVersionOptions["defaultXMLVersion"], undefined>;
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}
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/**
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* The entire set of options supported by saxes.
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*/
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export declare type SaxesOptions = CommonOptions & NSOptions & XMLVersionOptions;
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export declare type TagForOptions<O extends SaxesOptions> = O extends {
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xmlns: true;
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} ? SaxesTagNS : O extends {
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xmlns?: false | undefined;
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} ? SaxesTagPlain : SaxesTag;
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export declare type StartTagForOptions<O extends SaxesOptions> = O extends {
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xmlns: true;
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} ? SaxesStartTagNS : O extends {
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xmlns?: false | undefined;
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} ? SaxesStartTagPlain : SaxesStartTag;
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export declare class SaxesParser<O extends SaxesOptions = {}> {
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private readonly fragmentOpt;
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private readonly xmlnsOpt;
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private readonly trackPosition;
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private readonly fileName?;
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private readonly nameStartCheck;
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private readonly nameCheck;
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private readonly isName;
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private readonly ns;
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private openWakaBang;
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private text;
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private name;
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private piTarget;
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private entity;
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private q;
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private tags;
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private tag;
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private topNS;
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private chunk;
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private chunkPosition;
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private i;
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private prevI;
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private carriedFromPrevious?;
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private forbiddenState;
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private attribList;
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private state;
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private reportedTextBeforeRoot;
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private reportedTextAfterRoot;
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private closedRoot;
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private sawRoot;
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private xmlDeclPossible;
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private xmlDeclExpects;
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private entityReturnState?;
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private processAttribs;
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private positionAtNewLine;
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private doctype;
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private getCode;
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private isChar;
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private pushAttrib;
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private _closed;
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private currentXMLVersion;
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private readonly stateTable;
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private xmldeclHandler?;
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private textHandler?;
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private piHandler?;
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private doctypeHandler?;
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private commentHandler?;
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private openTagStartHandler?;
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private openTagHandler?;
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private closeTagHandler?;
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private cdataHandler?;
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private errorHandler?;
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private endHandler?;
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private readyHandler?;
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private attributeHandler?;
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/**
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* Indicates whether or not the parser is closed. If ``true``, wait for
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* the ``ready`` event to write again.
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*/
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get closed(): boolean;
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readonly opt: SaxesOptions;
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/**
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* The XML declaration for this document.
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*/
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xmlDecl: XMLDecl;
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/**
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* The line number of the next character to be read by the parser. This field
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* is one-based. (The first line is numbered 1.)
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*/
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line: number;
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/**
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* The column number of the next character to be read by the parser. *
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* This field is zero-based. (The first column is 0.)
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*
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* This field counts columns by *Unicode character*. Note that this *can*
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* be different from the index of the character in a JavaScript string due
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* to how JavaScript handles astral plane characters.
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*
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* See [[columnIndex]] for a number that corresponds to the JavaScript index.
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*/
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column: number;
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/**
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* A map of entity name to expansion.
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*/
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ENTITIES: Record<string, string>;
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/**
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* @param opt The parser options.
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*/
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constructor(opt?: O);
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_init(): void;
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/**
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* The stream position the parser is currently looking at. This field is
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* zero-based.
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*
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* This field is not based on counting Unicode characters but is to be
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* interpreted as a plain index into a JavaScript string.
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*/
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get position(): number;
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/**
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* The column number of the next character to be read by the parser. *
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* This field is zero-based. (The first column in a line is 0.)
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*
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* This field reports the index at which the next character would be in the
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* line if the line were represented as a JavaScript string. Note that this
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* *can* be different to a count based on the number of *Unicode characters*
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* due to how JavaScript handles astral plane characters.
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*
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* See [[column]] for a number that corresponds to a count of Unicode
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* characters.
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*/
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get columnIndex(): number;
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/**
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* Set an event listener on an event. The parser supports one handler per
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* event type. If you try to set an event handler over an existing handler,
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* the old handler is silently overwritten.
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*
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* @param name The event to listen to.
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*
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* @param handler The handler to set.
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*/
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on<N extends EventName>(name: N, handler: EventNameToHandler<O, N>): void;
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/**
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* Unset an event handler.
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*
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* @parma name The event to stop listening to.
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*/
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off(name: EventName): void;
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/**
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* Make an error object. The error object will have a message that contains
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* the ``fileName`` option passed at the creation of the parser. If position
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* tracking was turned on, it will also have line and column number
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* information.
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*
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* @param message The message describing the error to report.
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*
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* @returns An error object with a properly formatted message.
|
||
|
*/
|
||
|
makeError(message: string): Error;
|
||
|
/**
|
||
|
* Report a parsing error. This method is made public so that client code may
|
||
|
* check for issues that are outside the scope of this project and can report
|
||
|
* errors.
|
||
|
*
|
||
|
* @param message The error to report.
|
||
|
*
|
||
|
* @returns this
|
||
|
*/
|
||
|
fail(message: string): this;
|
||
|
/**
|
||
|
* Write a XML data to the parser.
|
||
|
*
|
||
|
* @param chunk The XML data to write.
|
||
|
*
|
||
|
* @returns this
|
||
|
*/
|
||
|
write(chunk: string | {} | null): this;
|
||
|
/**
|
||
|
* Close the current stream. Perform final well-formedness checks and reset
|
||
|
* the parser tstate.
|
||
|
*
|
||
|
* @returns this
|
||
|
*/
|
||
|
close(): this;
|
||
|
/**
|
||
|
* Get a single code point out of the current chunk. This updates the current
|
||
|
* position if we do position tracking.
|
||
|
*
|
||
|
* This is the algorithm to use for XML 1.0.
|
||
|
*
|
||
|
* @returns The character read.
|
||
|
*/
|
||
|
private getCode10;
|
||
|
/**
|
||
|
* Get a single code point out of the current chunk. This updates the current
|
||
|
* position if we do position tracking.
|
||
|
*
|
||
|
* This is the algorithm to use for XML 1.1.
|
||
|
*
|
||
|
* @returns {number} The character read.
|
||
|
*/
|
||
|
private getCode11;
|
||
|
/**
|
||
|
* Like ``getCode`` but with the return value normalized so that ``NL`` is
|
||
|
* returned for ``NL_LIKE``.
|
||
|
*/
|
||
|
private getCodeNorm;
|
||
|
private unget;
|
||
|
/**
|
||
|
* Capture characters into a buffer until encountering one of a set of
|
||
|
* characters.
|
||
|
*
|
||
|
* @param chars An array of codepoints. Encountering a character in the array
|
||
|
* ends the capture. (``chars`` may safely contain ``NL``.)
|
||
|
*
|
||
|
* @return The character code that made the capture end, or ``EOC`` if we hit
|
||
|
* the end of the chunk. The return value cannot be NL_LIKE: NL is returned
|
||
|
* instead.
|
||
|
*/
|
||
|
private captureTo;
|
||
|
/**
|
||
|
* Capture characters into a buffer until encountering a character.
|
||
|
*
|
||
|
* @param char The codepoint that ends the capture. **NOTE ``char`` MAY NOT
|
||
|
* CONTAIN ``NL``.** Passing ``NL`` will result in buggy behavior.
|
||
|
*
|
||
|
* @return ``true`` if we ran into the character. Otherwise, we ran into the
|
||
|
* end of the current chunk.
|
||
|
*/
|
||
|
private captureToChar;
|
||
|
/**
|
||
|
* Capture characters that satisfy ``isNameChar`` into the ``name`` field of
|
||
|
* this parser.
|
||
|
*
|
||
|
* @return The character code that made the test fail, or ``EOC`` if we hit
|
||
|
* the end of the chunk. The return value cannot be NL_LIKE: NL is returned
|
||
|
* instead.
|
||
|
*/
|
||
|
private captureNameChars;
|
||
|
/**
|
||
|
* Skip white spaces.
|
||
|
*
|
||
|
* @return The character that ended the skip, or ``EOC`` if we hit
|
||
|
* the end of the chunk. The return value cannot be NL_LIKE: NL is returned
|
||
|
* instead.
|
||
|
*/
|
||
|
private skipSpaces;
|
||
|
private setXMLVersion;
|
||
|
private sBegin;
|
||
|
private sBeginWhitespace;
|
||
|
private sDoctype;
|
||
|
private sDoctypeQuote;
|
||
|
private sDTD;
|
||
|
private sDTDQuoted;
|
||
|
private sDTDOpenWaka;
|
||
|
private sDTDOpenWakaBang;
|
||
|
private sDTDComment;
|
||
|
private sDTDCommentEnding;
|
||
|
private sDTDCommentEnded;
|
||
|
private sDTDPI;
|
||
|
private sDTDPIEnding;
|
||
|
private sText;
|
||
|
private sEntity;
|
||
|
private sOpenWaka;
|
||
|
private sOpenWakaBang;
|
||
|
private sComment;
|
||
|
private sCommentEnding;
|
||
|
private sCommentEnded;
|
||
|
private sCData;
|
||
|
private sCDataEnding;
|
||
|
private sCDataEnding2;
|
||
|
private sPIFirstChar;
|
||
|
private sPIRest;
|
||
|
private sPIBody;
|
||
|
private sPIEnding;
|
||
|
private sXMLDeclNameStart;
|
||
|
private sXMLDeclName;
|
||
|
private sXMLDeclEq;
|
||
|
private sXMLDeclValueStart;
|
||
|
private sXMLDeclValue;
|
||
|
private sXMLDeclSeparator;
|
||
|
private sXMLDeclEnding;
|
||
|
private sOpenTag;
|
||
|
private sOpenTagSlash;
|
||
|
private sAttrib;
|
||
|
private sAttribName;
|
||
|
private sAttribNameSawWhite;
|
||
|
private sAttribValue;
|
||
|
private sAttribValueQuoted;
|
||
|
private sAttribValueClosed;
|
||
|
private sAttribValueUnquoted;
|
||
|
private sCloseTag;
|
||
|
private sCloseTagSawWhite;
|
||
|
private handleTextInRoot;
|
||
|
private handleTextOutsideRoot;
|
||
|
private pushAttribNS;
|
||
|
private pushAttribPlain;
|
||
|
/**
|
||
|
* End parsing. This performs final well-formedness checks and resets the
|
||
|
* parser to a clean state.
|
||
|
*
|
||
|
* @returns this
|
||
|
*/
|
||
|
private end;
|
||
|
/**
|
||
|
* Resolve a namespace prefix.
|
||
|
*
|
||
|
* @param prefix The prefix to resolve.
|
||
|
*
|
||
|
* @returns The namespace URI or ``undefined`` if the prefix is not defined.
|
||
|
*/
|
||
|
resolve(prefix: string): string | undefined;
|
||
|
/**
|
||
|
* Parse a qname into its prefix and local name parts.
|
||
|
*
|
||
|
* @param name The name to parse
|
||
|
*
|
||
|
* @returns
|
||
|
*/
|
||
|
private qname;
|
||
|
private processAttribsNS;
|
||
|
private processAttribsPlain;
|
||
|
/**
|
||
|
* Handle a complete open tag. This parser code calls this once it has seen
|
||
|
* the whole tag. This method checks for well-formeness and then emits
|
||
|
* ``onopentag``.
|
||
|
*/
|
||
|
private openTag;
|
||
|
/**
|
||
|
* Handle a complete self-closing tag. This parser code calls this once it has
|
||
|
* seen the whole tag. This method checks for well-formeness and then emits
|
||
|
* ``onopentag`` and ``onclosetag``.
|
||
|
*/
|
||
|
private openSelfClosingTag;
|
||
|
/**
|
||
|
* Handle a complete close tag. This parser code calls this once it has seen
|
||
|
* the whole tag. This method checks for well-formeness and then emits
|
||
|
* ``onclosetag``.
|
||
|
*/
|
||
|
private closeTag;
|
||
|
/**
|
||
|
* Resolves an entity. Makes any necessary well-formedness checks.
|
||
|
*
|
||
|
* @param entity The entity to resolve.
|
||
|
*
|
||
|
* @returns The parsed entity.
|
||
|
*/
|
||
|
private parseEntity;
|
||
|
}
|