# Path: docpie/error.py
# class DocpieError(Exception, DocpieException):
#     """Error in construction of usage-message by developer."""
# 
# class UnknownOptionExit(DocpieExit):
#     """Unknown options found in argv"""
# 
#     def __init__(self, message, option=None, inside=None):
#         super(UnknownOptionExit, self).__init__(message)
#         self.option = option
#         self.inside = inside
# 
# class AmbiguousPrefixExit(DocpieExit):
#     """Long option has an ambiguous prefix"""
#     def __init__(self, message, prefix=None, ambiguous=None):
#         super(AmbiguousPrefixExit, self).__init__(message)
#         self.prefix = prefix
#         self.ambiguous = ambiguous


import logging
from docpie.error import DocpieError, UnknownOptionExit, AmbiguousPrefixExit

    def next(self):
        return self.pop(0) if self else None

    def current(self):
        return self[0] if self else None

    def check_ellipsis_and_drop(self):
        if self and self[0] == '...':
            self.pop(0)
            return True
        return False

    def till_end_bracket(self, start):
        # start bracket should not in self
        end = self._brackets[start]
        count = dict.fromkeys(self._brackets, 0)
        count[start] = 1
        element = []
        while self:
            this = self.pop(0)
            for each_start, each_end in self._brackets.items():
                count[each_start] += (this == each_start)
                count[each_start] -= (this == each_end)
            if this == end and all(x == 0 for x in count.values()):
                if any(x < 0 for x in count.values()):
                    raise DocpieError("brackets not in pair")
                return element
            element.append(this)
        else:

# Path: docpie/error.py
# class DocpieError(Exception, DocpieException):
#     """Error in construction of usage-message by developer."""
# 
# class UnknownOptionExit(DocpieExit):
#     """Unknown options found in argv"""
# 
#     def __init__(self, message, option=None, inside=None):
#         super(UnknownOptionExit, self).__init__(message)
#         self.option = option
#         self.inside = inside
# 
# class AmbiguousPrefixExit(DocpieExit):
#     """Long option has an ambiguous prefix"""
#     def __init__(self, message, prefix=None, ambiguous=None):
#         super(AmbiguousPrefixExit, self).__init__(message)
#         self.prefix = prefix
#         self.ambiguous = ambiguous


# Path: docpie/tokens.py
import logging
from docpie.error import DocpieError, UnknownOptionExit, AmbiguousPrefixExit


    def next(self):
        return self.pop(0) if self else None

    def current(self):
        return self[0] if self else None

    def check_ellipsis_and_drop(self):
        if self and self[0] == '...':
            self.pop(0)
            return True
        return False

    def till_end_bracket(self, start):
        # start bracket should not in self
        end = self._brackets[start]
        count = dict.fromkeys(self._brackets, 0)
        count[start] = 1
        element = []
        while self:
            this = self.pop(0)
            for each_start, each_end in self._brackets.items():
                count[each_start] += (this == each_start)
                count[each_start] -= (this == each_end)
            if this == end and all(x == 0 for x in count.values()):
                if any(x < 0 for x in count.values()):
                    raise DocpieError("brackets not in pair")
                return element
            element.append(this)
        else:

            raise DocpieError("brackets not in pair")