@mfissehaye/string-to-drizzle-orm-filters/dist/lexer.d.ts

export declare enum TokenType {
    Identifier = "IDENTIFIER",// e.g., "and", "or", "eq", "like"
    StringLiteral = "STRING_LITERAL",// e.g., '"foo"', '"bar"'
    NumberLiteral = "NUMBER_LITERAL",// e.g., '123', '3.14'
    LParen = "LPAREN",// '('
    RParen = "RPAREN",// ')'
    Comma = "COMMA",// ','
    Whitespace = "WHITESPACE",// Space, tab, newline (ignored by parser)
    EOF = "EOF",// End of file
    Unknown = "UNKNOWN"
}
/**
 * Represents a single token produced by the lexer.
 */
export interface Token {
    type: TokenType;
    value: string;
    position: number;
}
/**
 * The Lexer class is responsible for taking an input string and
 * breaking it down into a sequence of tokens.
 */
export declare class Lexer {
    private input;
    private currentPosition;
    constructor(input: string);
    /**
     * Resets the lexer's position to the beginning of the input
     */
    reset(): void;
    nextToken(): Token;
    /**
     * Reads a string literal (e.g., "value") including the quotes.
     */
    private readStringLiteral;
    /**
     * Reads an identifier (e.g., "and", "eq").
     */
    private readIdentifier;
    /**
     * Reads a number literal (e.g., 123, 3.14).
     */
    private readNumberLiteral;
    /**
     * Skips over whitespace characters
     */
    private skipWhitespace;
    /**
     * Checks if a character is a letter.
     */
    private isLetter;
    /**
     * Checks if a character is a digit.
     */
    private isDigit;
    /**
     * Checks if a character is whitespace.
     */
    private isWhitespace;
    /**
     * Creates a token and advances the current position.
     */
    private advanceAndCreateToken;
    /**
     * Helper to create a token object.
     */
    private createToken;
}
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