#!/usr/bin/env python3
# -*- coding: utf-8 -*-

from re import Pattern as REPattern, compile as re_compile, IGNORECASE as RE_IGNORECASE, Match as REMatch

class RE:
    KEY:REPattern = re_compile(r'^[a-z_][a-z0-9_]*$', RE_IGNORECASE)
    SLASHES:REPattern = re_compile(r'[\\/]+')
    LAST_PATH_ITEM:REPattern = re_compile(r'[\\/][^\\/]+[\\/]?$')
    STRING_VARIABLE:REPattern = re_compile(r'\{([a-z_][a-z0-9_]*)\}', RE_IGNORECASE)
    COMMAND:REPattern = re_compile(r'^([^ \s]+)(?:[ \t]+(.*))?$')
    COMMAND_ARGUMENT:REPattern = re_compile(r'([^\s"\'=]+)(?:=(?:"((?:[^\\"]+|\\.)*)"|\'((?:[^\\\']+|\\.)*)\'|([^\s]+))?)?|"((?:[^\\"]+|\\.)*)"|\'((?:[^\\\']+|\\.)*)\'')
    TO_KEY:REPattern = re_compile(r'[^a-z0-9_]+', RE_IGNORECASE)
    EXCEPTION:REPattern = re_compile(r'^\s*File "([^"]+)", line ([0-9]+), in ([^\n]+)(.*|[\r\n]*)*$')
    BREAK_LINES:REPattern = re_compile(r'\r\n|[\r\n]')
    SQL_LITE:REPattern = re_compile(r'(\-{2}[^\r\n]+|\/\*(?:(?!(?:\*\/))(?:.|[\r\n]+))+(?:\*\/)?)|([^;"\']+)|("(?:(?:[^"]+|""|[\r\n]+)*)"|\'(?:(?:[^\']+|\'{2}|[\r\n]+)*)\')|(;)')
    FILE_PATH:REPattern = re_compile(r'^(?:([^\@\:]+)?(?:\:([^\@]*))?\@)?(?:([^\:]+)(?:\:([0-9]+))?\:)?(.+)$')
    
    @staticmethod
    def get_all(
        regex:REPattern, 
        string:str
    ) -> list[tuple[str|None, ...]]:
        
        blocks:list[tuple[str|None, ...]] = []
        matches:REMatch|None

        while (matches := regex.search(string)) is not None:
            blocks.append(matches.groups())
            string = string[matches.end():]

        return blocks