636 lines
20 KiB
TypeScript
Executable File
636 lines
20 KiB
TypeScript
Executable File
/**
|
|
* The list of supported events.
|
|
*/
|
|
export declare const EVENTS: readonly ["xmldecl", "text", "processinginstruction", "doctype", "comment", "opentagstart", "attribute", "opentag", "closetag", "cdata", "error", "end", "ready"];
|
|
/**
|
|
* Event handler for the
|
|
*
|
|
* @param text The text data encountered by the parser.
|
|
*
|
|
*/
|
|
export declare type XMLDeclHandler = (decl: XMLDecl) => void;
|
|
/**
|
|
* Event handler for text data.
|
|
*
|
|
* @param text The text data encountered by the parser.
|
|
*
|
|
*/
|
|
export declare type TextHandler = (text: string) => void;
|
|
/**
|
|
* Event handler for processing instructions.
|
|
*
|
|
* @param data The target and body of the processing instruction.
|
|
*/
|
|
export declare type PIHandler = (data: {
|
|
target: string;
|
|
body: string;
|
|
}) => void;
|
|
/**
|
|
* Event handler for doctype.
|
|
*
|
|
* @param doctype The doctype contents.
|
|
*/
|
|
export declare type DoctypeHandler = (doctype: string) => void;
|
|
/**
|
|
* Event handler for comments.
|
|
*
|
|
* @param comment The comment contents.
|
|
*/
|
|
export declare type CommentHandler = (comment: string) => void;
|
|
/**
|
|
* Event handler for the start of an open tag. This is called as soon as we
|
|
* have a tag name.
|
|
*
|
|
* @param tag The tag.
|
|
*/
|
|
export declare type OpenTagStartHandler<O> = (tag: StartTagForOptions<O>) => void;
|
|
export declare type AttributeEventForOptions<O extends SaxesOptions> = O extends {
|
|
xmlns: true;
|
|
} ? SaxesAttributeNSIncomplete : O extends {
|
|
xmlns?: false | undefined;
|
|
} ? SaxesAttributePlain : SaxesAttribute;
|
|
/**
|
|
* Event handler for attributes.
|
|
*/
|
|
export declare type AttributeHandler<O> = (attribute: AttributeEventForOptions<O>) => void;
|
|
/**
|
|
* Event handler for an open tag. This is called when the open tag is
|
|
* complete. (We've encountered the ">" that ends the open tag.)
|
|
*
|
|
* @param tag The tag.
|
|
*/
|
|
export declare type OpenTagHandler<O> = (tag: TagForOptions<O>) => void;
|
|
/**
|
|
* Event handler for a close tag. Note that for self-closing tags, this is
|
|
* called right after ``opentag``.
|
|
*
|
|
* @param tag The tag.
|
|
*/
|
|
export declare type CloseTagHandler<O> = (tag: TagForOptions<O>) => void;
|
|
/**
|
|
* Event handler for a CDATA section. This is called when ending the
|
|
* CDATA section.
|
|
*
|
|
* @param cdata The contents of the CDATA section.
|
|
*/
|
|
export declare type CDataHandler = (cdata: string) => void;
|
|
/**
|
|
* Event handler for the stream end. This is called when the stream has been
|
|
* closed with ``close`` or by passing ``null`` to ``write``.
|
|
*/
|
|
export declare type EndHandler = () => void;
|
|
/**
|
|
* Event handler indicating parser readiness . This is called when the parser
|
|
* is ready to parse a new document.
|
|
*/
|
|
export declare type ReadyHandler = () => void;
|
|
/**
|
|
* Event handler indicating an error.
|
|
*
|
|
* @param err The error that occurred.
|
|
*/
|
|
export declare type ErrorHandler = (err: Error) => void;
|
|
export declare type EventName = (typeof EVENTS)[number];
|
|
export declare type EventNameToHandler<O, N extends EventName> = {
|
|
"xmldecl": XMLDeclHandler;
|
|
"text": TextHandler;
|
|
"processinginstruction": PIHandler;
|
|
"doctype": DoctypeHandler;
|
|
"comment": CommentHandler;
|
|
"opentagstart": OpenTagStartHandler<O>;
|
|
"attribute": AttributeHandler<O>;
|
|
"opentag": OpenTagHandler<O>;
|
|
"closetag": CloseTagHandler<O>;
|
|
"cdata": CDataHandler;
|
|
"error": ErrorHandler;
|
|
"end": EndHandler;
|
|
"ready": ReadyHandler;
|
|
}[N];
|
|
/**
|
|
* This interface defines the structure of attributes when the parser is
|
|
* processing namespaces (created with ``xmlns: true``).
|
|
*/
|
|
export interface SaxesAttributeNS {
|
|
/**
|
|
* The attribute's name. This is the combination of prefix and local name.
|
|
* For instance ``a:b="c"`` would have ``a:b`` for name.
|
|
*/
|
|
name: string;
|
|
/**
|
|
* The attribute's prefix. For instance ``a:b="c"`` would have ``"a"`` for
|
|
* ``prefix``.
|
|
*/
|
|
prefix: string;
|
|
/**
|
|
* The attribute's local name. For instance ``a:b="c"`` would have ``"b"`` for
|
|
* ``local``.
|
|
*/
|
|
local: string;
|
|
/** The namespace URI of this attribute. */
|
|
uri: string;
|
|
/** The attribute's value. */
|
|
value: string;
|
|
}
|
|
/**
|
|
* This is an attribute, as recorded by a parser which parses namespaces but
|
|
* prior to the URI being resolvable. This is what is passed to the attribute
|
|
* event handler.
|
|
*/
|
|
export declare type SaxesAttributeNSIncomplete = Exclude<SaxesAttributeNS, "uri">;
|
|
/**
|
|
* This interface defines the structure of attributes when the parser is
|
|
* NOT processing namespaces (created with ``xmlns: false``).
|
|
*/
|
|
export interface SaxesAttributePlain {
|
|
/**
|
|
* The attribute's name.
|
|
*/
|
|
name: string;
|
|
/** The attribute's value. */
|
|
value: string;
|
|
}
|
|
/**
|
|
* A saxes attribute, with or without namespace information.
|
|
*/
|
|
export declare type SaxesAttribute = SaxesAttributeNS | SaxesAttributePlain;
|
|
/**
|
|
* This are the fields that MAY be present on a complete tag.
|
|
*/
|
|
export interface SaxesTag {
|
|
/**
|
|
* The tag's name. This is the combination of prefix and global name. For
|
|
* instance ``<a:b>`` would have ``"a:b"`` for ``name``.
|
|
*/
|
|
name: string;
|
|
/**
|
|
* A map of attribute name to attributes. If namespaces are tracked, the
|
|
* values in the map are attribute objects. Otherwise, they are strings.
|
|
*/
|
|
attributes: Record<string, SaxesAttributeNS> | Record<string, string>;
|
|
/**
|
|
* The namespace bindings in effect.
|
|
*/
|
|
ns?: Record<string, string>;
|
|
/**
|
|
* The tag's prefix. For instance ``<a:b>`` would have ``"a"`` for
|
|
* ``prefix``. Undefined if we do not track namespaces.
|
|
*/
|
|
prefix?: string;
|
|
/**
|
|
* The tag's local name. For instance ``<a:b>`` would
|
|
* have ``"b"`` for ``local``. Undefined if we do not track namespaces.
|
|
*/
|
|
local?: string;
|
|
/**
|
|
* The namespace URI of this tag. Undefined if we do not track namespaces.
|
|
*/
|
|
uri?: string;
|
|
/** Whether the tag is self-closing (e.g. ``<foo/>``). */
|
|
isSelfClosing: boolean;
|
|
}
|
|
/**
|
|
* This type defines the fields that are present on a tag object when
|
|
* ``onopentagstart`` is called. This interface is namespace-agnostic.
|
|
*/
|
|
export declare type SaxesStartTag = Pick<SaxesTag, "name" | "attributes" | "ns">;
|
|
/**
|
|
* This type defines the fields that are present on a tag object when
|
|
* ``onopentagstart`` is called on a parser that does not processes namespaces.
|
|
*/
|
|
export declare type SaxesStartTagPlain = Pick<SaxesStartTag, "name" | "attributes">;
|
|
/**
|
|
* This type defines the fields that are present on a tag object when
|
|
* ``onopentagstart`` is called on a parser that does process namespaces.
|
|
*/
|
|
export declare type SaxesStartTagNS = Required<SaxesStartTag>;
|
|
/**
|
|
* This are the fields that are present on a complete tag produced by a parser
|
|
* that does process namespaces.
|
|
*/
|
|
export declare type SaxesTagNS = Required<SaxesTag> & {
|
|
attributes: Record<string, SaxesAttributeNS>;
|
|
};
|
|
/**
|
|
* This are the fields that are present on a complete tag produced by a parser
|
|
* that does not process namespaces.
|
|
*/
|
|
export declare type SaxesTagPlain = Pick<SaxesTag, "name" | "attributes" | "isSelfClosing"> & {
|
|
attributes: Record<string, string>;
|
|
};
|
|
/**
|
|
* An XML declaration.
|
|
*/
|
|
export interface XMLDecl {
|
|
/** The version specified by the XML declaration. */
|
|
version?: string;
|
|
/** The encoding specified by the XML declaration. */
|
|
encoding?: string;
|
|
/** The value of the standalone parameter */
|
|
standalone?: string;
|
|
}
|
|
/**
|
|
* A callback for resolving name prefixes.
|
|
*
|
|
* @param prefix The prefix to check.
|
|
*
|
|
* @returns The URI corresponding to the prefix, if any.
|
|
*/
|
|
export declare type ResolvePrefix = (prefix: string) => string | undefined;
|
|
export interface CommonOptions {
|
|
/** Whether to accept XML fragments. Unset means ``false``. */
|
|
fragment?: boolean;
|
|
/** Whether to track positions. Unset means ``true``. */
|
|
position?: boolean;
|
|
/**
|
|
* A file name to use for error reporting. "File name" is a loose concept. You
|
|
* could use a URL to some resource, or any descriptive name you like.
|
|
*/
|
|
fileName?: string;
|
|
}
|
|
export interface NSOptions {
|
|
/** Whether to track namespaces. Unset means ``false``. */
|
|
xmlns?: boolean;
|
|
/**
|
|
* A plain object whose key, value pairs define namespaces known before
|
|
* parsing the XML file. It is not legal to pass bindings for the namespaces
|
|
* ``"xml"`` or ``"xmlns"``.
|
|
*/
|
|
additionalNamespaces?: Record<string, string>;
|
|
/**
|
|
* A function that will be used if the parser cannot resolve a namespace
|
|
* prefix on its own.
|
|
*/
|
|
resolvePrefix?: ResolvePrefix;
|
|
}
|
|
export interface NSOptionsWithoutNamespaces extends NSOptions {
|
|
xmlns?: false;
|
|
additionalNamespaces?: undefined;
|
|
resolvePrefix?: undefined;
|
|
}
|
|
export interface NSOptionsWithNamespaces extends NSOptions {
|
|
xmlns: true;
|
|
}
|
|
export interface XMLVersionOptions {
|
|
/**
|
|
* The default XML version to use. If unspecified, and there is no XML
|
|
* encoding declaration, the default version is "1.0".
|
|
*/
|
|
defaultXMLVersion?: "1.0" | "1.1";
|
|
/**
|
|
* A flag indicating whether to force the XML version used for parsing to the
|
|
* value of ``defaultXMLVersion``. When this flag is ``true``,
|
|
* ``defaultXMLVersion`` must be specified. If unspecified, the default value
|
|
* of this flag is ``false``.
|
|
*/
|
|
forceXMLVersion?: boolean;
|
|
}
|
|
export interface NoForcedXMLVersion extends XMLVersionOptions {
|
|
forceXMLVersion?: false;
|
|
}
|
|
export interface ForcedXMLVersion extends XMLVersionOptions {
|
|
forceXMLVersion: true;
|
|
defaultXMLVersion: Exclude<XMLVersionOptions["defaultXMLVersion"], undefined>;
|
|
}
|
|
/**
|
|
* The entire set of options supported by saxes.
|
|
*/
|
|
export declare type SaxesOptions = CommonOptions & NSOptions & XMLVersionOptions;
|
|
export declare type TagForOptions<O extends SaxesOptions> = O extends {
|
|
xmlns: true;
|
|
} ? SaxesTagNS : O extends {
|
|
xmlns?: false | undefined;
|
|
} ? SaxesTagPlain : SaxesTag;
|
|
export declare type StartTagForOptions<O extends SaxesOptions> = O extends {
|
|
xmlns: true;
|
|
} ? SaxesStartTagNS : O extends {
|
|
xmlns?: false | undefined;
|
|
} ? SaxesStartTagPlain : SaxesStartTag;
|
|
export declare class SaxesParser<O extends SaxesOptions = {}> {
|
|
private readonly fragmentOpt;
|
|
private readonly xmlnsOpt;
|
|
private readonly trackPosition;
|
|
private readonly fileName?;
|
|
private readonly nameStartCheck;
|
|
private readonly nameCheck;
|
|
private readonly isName;
|
|
private readonly ns;
|
|
private openWakaBang;
|
|
private text;
|
|
private name;
|
|
private piTarget;
|
|
private entity;
|
|
private q;
|
|
private tags;
|
|
private tag;
|
|
private topNS;
|
|
private chunk;
|
|
private chunkPosition;
|
|
private i;
|
|
private prevI;
|
|
private carriedFromPrevious?;
|
|
private forbiddenState;
|
|
private attribList;
|
|
private state;
|
|
private reportedTextBeforeRoot;
|
|
private reportedTextAfterRoot;
|
|
private closedRoot;
|
|
private sawRoot;
|
|
private xmlDeclPossible;
|
|
private xmlDeclExpects;
|
|
private entityReturnState?;
|
|
private processAttribs;
|
|
private positionAtNewLine;
|
|
private doctype;
|
|
private getCode;
|
|
private isChar;
|
|
private pushAttrib;
|
|
private _closed;
|
|
private currentXMLVersion;
|
|
private readonly stateTable;
|
|
private xmldeclHandler?;
|
|
private textHandler?;
|
|
private piHandler?;
|
|
private doctypeHandler?;
|
|
private commentHandler?;
|
|
private openTagStartHandler?;
|
|
private openTagHandler?;
|
|
private closeTagHandler?;
|
|
private cdataHandler?;
|
|
private errorHandler?;
|
|
private endHandler?;
|
|
private readyHandler?;
|
|
private attributeHandler?;
|
|
/**
|
|
* Indicates whether or not the parser is closed. If ``true``, wait for
|
|
* the ``ready`` event to write again.
|
|
*/
|
|
get closed(): boolean;
|
|
readonly opt: SaxesOptions;
|
|
/**
|
|
* The XML declaration for this document.
|
|
*/
|
|
xmlDecl: XMLDecl;
|
|
/**
|
|
* The line number of the next character to be read by the parser. This field
|
|
* is one-based. (The first line is numbered 1.)
|
|
*/
|
|
line: number;
|
|
/**
|
|
* The column number of the next character to be read by the parser. *
|
|
* This field is zero-based. (The first column is 0.)
|
|
*
|
|
* This field counts columns by *Unicode character*. Note that this *can*
|
|
* be different from the index of the character in a JavaScript string due
|
|
* to how JavaScript handles astral plane characters.
|
|
*
|
|
* See [[columnIndex]] for a number that corresponds to the JavaScript index.
|
|
*/
|
|
column: number;
|
|
/**
|
|
* A map of entity name to expansion.
|
|
*/
|
|
ENTITIES: Record<string, string>;
|
|
/**
|
|
* @param opt The parser options.
|
|
*/
|
|
constructor(opt?: O);
|
|
_init(): void;
|
|
/**
|
|
* The stream position the parser is currently looking at. This field is
|
|
* zero-based.
|
|
*
|
|
* This field is not based on counting Unicode characters but is to be
|
|
* interpreted as a plain index into a JavaScript string.
|
|
*/
|
|
get position(): number;
|
|
/**
|
|
* The column number of the next character to be read by the parser. *
|
|
* This field is zero-based. (The first column in a line is 0.)
|
|
*
|
|
* This field reports the index at which the next character would be in the
|
|
* line if the line were represented as a JavaScript string. Note that this
|
|
* *can* be different to a count based on the number of *Unicode characters*
|
|
* due to how JavaScript handles astral plane characters.
|
|
*
|
|
* See [[column]] for a number that corresponds to a count of Unicode
|
|
* characters.
|
|
*/
|
|
get columnIndex(): number;
|
|
/**
|
|
* Set an event listener on an event. The parser supports one handler per
|
|
* event type. If you try to set an event handler over an existing handler,
|
|
* the old handler is silently overwritten.
|
|
*
|
|
* @param name The event to listen to.
|
|
*
|
|
* @param handler The handler to set.
|
|
*/
|
|
on<N extends EventName>(name: N, handler: EventNameToHandler<O, N>): void;
|
|
/**
|
|
* Unset an event handler.
|
|
*
|
|
* @parma name The event to stop listening to.
|
|
*/
|
|
off(name: EventName): void;
|
|
/**
|
|
* Make an error object. The error object will have a message that contains
|
|
* the ``fileName`` option passed at the creation of the parser. If position
|
|
* tracking was turned on, it will also have line and column number
|
|
* information.
|
|
*
|
|
* @param message The message describing the error to report.
|
|
*
|
|
* @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 | object | 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;
|
|
}
|