attrpath/dist/parser.d.ts

Attribute Path Traverser.

/**
 * Copyright © 2020 2021 2022 7thCode.(http://seventh-code.com/)
 * This software is released under the MIT License.
 * opensource.org/licenses/mit-license.php
 */
import { BaseHandler } from './handler';
import { ParserStream } from './stream';
export declare enum TokenType {
    operator = 0,
    number = 1,
    name = 2,
    index = 3
}
/**
 * BaseParser
 * @remarks
 */
export declare abstract class BaseParser {
    protected stream: ParserStream;
    protected handler: BaseHandler | null;
    /**
     *
     * @remarks
     */
    protected constructor(handler: BaseHandler | null, stream: ParserStream);
    /**
     * is_s
     * s ::=  | \t
     */
    protected is_s(): boolean;
    /**
     * is_s
     *
     * S ::= ( " " | tab ) *
     *
     * @remarks Spaces or Tabs
     */
    protected parse_s(): boolean;
    /**
     * is_terminal
     *
     * @remarks
     *
     */
    protected is_terminal(): boolean;
    /**
     * is_char
     *
     * @param c
     *
     * @remarks
     */
    protected is_char(c: string): boolean;
    private between;
    /**
     * is_symbol
     * symbol ::= "." | "[" | "]" | "'" | '"' | "+" | "-" | "*" | "/" | "%" | "~" | "&" | "|" | "^" | ">" | "<" | "!" | "=" | "`" | "(" | ")" | "{" | "}" | "?" | ":" | ";" | ","
     * @remarks
     */
    /**
     * is_digit
     * digit ::= ( 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 )
     */
    protected is_digit(): boolean;
    /**
     * parse_number
     * number ::= digit *
     */
    protected parse_number(): boolean;
}
export declare class FormulaParser extends BaseParser {
    /**
     *
     * @remarks
     */
    constructor(handler: BaseHandler | null, stream: ParserStream);
    /**
     *
     * expr ::= term { S { "+" | "-" } S term } *
     * @remarks
     * */
    protected is_expr(): boolean;
    /**
     * is_term
     *
     * @remarks
     * term ::= factor { S { "*" | "/" } S factor } *
     *
     *
     * */
    protected is_term(): boolean;
    /**
     * is_factor
     *
     * @remarks
     * factor ::= "(" S expr S ")" | number
     *
     * */
    protected is_factor(): boolean;
}
/**
 * Parse semantic strings of object references in JavaScript.
 *
 */
export declare class AttributeParser extends FormulaParser {
    /**
     *
     * @remarks
     *
     */
    constructor(handler: BaseHandler | null, stream: ParserStream);
    /**
     * is_reading
     *
     * @remarks
     * reading ::= ( alpha | "_" | "$" ) *
     *
     */
    protected is_reading(): boolean;
    /**
     * is_trailing
     *
     * @remarks
     * trailing ::= ( alpha | "_" | "$" | digit ) *
     *
     */
    protected is_trailing(): boolean;
    /**
     * is_subscript_trailing
     *
     * @remarks
     * subscript_trailing ::= ( alpha | "_" | "$" | digit | "." ) *
     *
     */
    protected is_subscript_trailing(): boolean;
    /**
     * parse_name
     *
     * @remarks
     * name ::= reading [ trailing ]
     *
     */
    protected parse_name(): boolean;
    /**
     * parse_subscript_name
     *
     * @remarks
     * subscript_name ::= subscript_reading [ subscript_trailing ]
     *
     */
    protected parse_subscript_name(): boolean;
    /**
     * parse_subscript_string
     *
     * @remarks
     * subscript_string = "'" subscript_mame "'" | '"' subscript_mame '"'
     *
     */
    protected parse_subscript_string(): boolean;
    /**
     * parse_attr
     *
     * @remarks
     * attr ::= "." name | '[' subscript_string | number ']'
     *
     */
    protected parse_attr(): boolean;
    /**
     * parse_path
     *
     * @remarks
     * path ::= attr *
     *
     */
    parse_path(): boolean;
}