Struct TqlParser 

pub struct TqlParser { /* private fields */ }

Main TQL parser

Implementations

impl TqlParser

pub const MAX_QUERY_DEPTH: usize = 50usize

Maximum query depth (matches Python implementation)

pub fn new() -> Self

Create a new parser with default settings

pub fn with_max_depth(max_depth: usize) -> Self

Create a new parser with custom max depth

pub fn parse(&self, query: &str) -> Result<AstNode>

Parse a TQL query string into an AST

Arguments

• query - The TQL query string to parse

Returns

An AST node representing the parsed query

Errors

Returns a TqlError if the query has invalid syntax or exceeds max depth

Examples

use tql::parser::TqlParser;

let parser = TqlParser::new();
let ast = parser.parse("field eq 'value'").unwrap();

pub fn extract_fields(&self, query: &str) -> Result<Vec<String>>

Extract all field names referenced in a query

Arguments

• query - The TQL query string

Returns

A sorted list of unique field names

Examples

let parser = TqlParser::new();
let fields = parser.extract_fields("name eq 'John' AND age > 25").unwrap();
assert_eq!(fields, vec!["age", "name"]);

Trait Implementations

impl Default for TqlParser

fn default() -> Self

Returns the “default value” for a type.