rawsql-ts/dist/esm/src/utils/LexemeCursor.d.ts

[beta]High-performance SQL parser and AST analyzer written in TypeScript. Provides fast parsing and advanced transformation capabilities.

import { Lexeme } from '../models/Lexeme';
/**
 * Utility class for cursor-to-lexeme mapping in SQL text
 * Provides functionality to find lexemes at specific cursor positions for IDE integration
 */
export declare class LexemeCursor {
    private static readonly SQL_COMMANDS;
    /**
     * Find the lexeme at the specified cursor position
     * @param sql The SQL string
     * @param cursorPosition The cursor position (0-based)
     * @returns The lexeme at the position, or null if not found
     */
    static findLexemeAtPosition(sql: string, cursorPosition: number): Lexeme | null;
    /**
     * Get all lexemes with position information
     * @param sql The SQL string
     * @returns Array of lexemes with position information
     */
    static getAllLexemesWithPosition(sql: string): Lexeme[];
    /**
     * Skip whitespace characters
     */
    private static skipWhitespace;
    /**
     * Parse the next token starting at the given position
     */
    private static parseNextToken;
    /**
     * Parse string literal tokens
     */
    private static parseStringLiteral;
    /**
     * Parse operator tokens
     */
    private static parseOperator;
    /**
     * Parse word tokens (identifiers, commands, functions)
     */
    private static parseWordToken;
    /**
     * Determine the token type for operators
     */
    private static getOperatorTokenType;
    /**
     * Determine the token type for word tokens
     */
    private static getWordTokenType;
    /**
     * Check if token value should be lowercased
     */
    private static shouldLowercase;
    /**
     * Create a lexeme with position information
     */
    private static createLexeme;
}