@flamesshield/rules-engine/dist/validation/expression-parser.d.ts

Independent rules engine for security analysis of Firebase

/**
 * Expression Parser for rule validation
 *
 * Parses and validates rule expressions, extracting paths and analyzing complexity
 */
export declare class ExpressionParser {
    /**
     * Extract all valid paths from an expression
     */
    static extractPaths(expression: string): string[];
    /**
     * Find nested paths inside brackets
     */
    private static findNestedPaths;
    /**
     * Check if a string is a reserved keyword
     */
    private static isReservedWord;
    /**
     * Check if a string is numeric
     */
    private static isNumeric;
    /**
     * Validate the syntax of an expression
     */
    static validateSyntax(expression: string): boolean;
    /**
     * Calculate the complexity of an expression
     */
    static getExpressionComplexity(expression: string): 'low' | 'medium' | 'high';
}
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