# Path: tinycsscheme/tinycss/css21.py
# class Stylesheet(object):
# class AtRule(object):
# class RuleSet(object):
# class Declaration(object):
# class PageRule(object):
# class MediaRule(object):
# class ImportRule(object):
# class CSS21Parser(object):
#     def __init__(self, rules, errors, encoding):
#     def __repr__(self):
#     def __init__(self, at_keyword, head, body, line, column):
#     def __repr__(self):
#     def __init__(self, selector, declarations, line, column):
#     def __repr__(self):
#     def __init__(self, name, value, priority, line, column):
#     def __repr__(self):
#     def __init__(self, selector, specificity, declarations, at_rules,
#                  line, column):
#     def __repr__(self):
#     def __init__(self, media, rules, line, column):
#     def __repr__(self):
#     def __init__(self, uri, media, line, column):
#     def __repr__(self):
# def _remove_at_charset(tokens):
#     def parse_stylesheet_file(self, css_file, protocol_encoding=None,
#                              linking_encoding=None, document_encoding=None):
#     def parse_stylesheet_bytes(self, css_bytes, protocol_encoding=None,
#                                linking_encoding=None, document_encoding=None):
#     def parse_stylesheet(self, css_unicode, encoding=None):
#     def parse_style_attr(self, css_source):
#     def parse_rules(self, tokens, context):
#     def read_at_rule(self, at_keyword_token, tokens):
#     def parse_at_rule(self, rule, previous_rules, errors, context):
#     def parse_media(self, tokens):
#     def parse_page_selector(self, tokens):
#     def parse_declarations_and_at_rules(self, tokens, context):
#     def parse_ruleset(self, first_token, tokens):
#     def parse_declaration_list(self, tokens):
#     def parse_declaration(self, tokens):
#     def parse_value_priority(self, tokens):


import re
from itertools import chain
from .tinycss.css21 import (ParseError, Declaration, RuleSet, CSS21Parser,
                            strip_whitespace, validate_any)
        head = rule.head
        if rule.body is not None:
            raise ParseError(rule.head[-1] if rule.head else rule, "expected ';', got a block")

        if not head:
            raise ParseError(rule, 'expected value for {0} rule'.format(rule.at_keyword))
        if len(head) > 1:
            raise ParseError(head[1], 'expected 1 token for {0} rule, got {1}'
                                      .format(rule.at_keyword, len(head)))
        token = head[0]

        # DIMENSION is used for uuids that start with a number
        whole_value = strvalue(token)
        if not (token.type in ('STRING', 'IDENT', 'HASH')
                or (token.type == 'DIMENSION' and is_uuid(whole_value))):
            raise ParseError(rule, 'expected STRING, IDENT or HASH token or a valid uuid4 for '
                                   '{0} rule, got {1}'.format(rule.at_keyword, token.type))

        return StringRule(rule.at_keyword, token, rule.line, rule.column)

    def parse_ruleset(self, first_token, tokens):
        """Parse a ruleset: a selector followed by declaration block.

        Modified in that we call :meth:`parse_declarations_and_at_rules` instead of
        :meth:`parse_declaration_list` and manually add at-rules afterwards.
        """
        selector = []
        for token in chain([first_token], tokens):
            if token.type == '{':
                # Parse/validate once we've read the whole rule

# Path: tinycsscheme/tinycss/css21.py
# class Stylesheet(object):
# class AtRule(object):
# class RuleSet(object):
# class Declaration(object):
# class PageRule(object):
# class MediaRule(object):
# class ImportRule(object):
# class CSS21Parser(object):
#     def __init__(self, rules, errors, encoding):
#     def __repr__(self):
#     def __init__(self, at_keyword, head, body, line, column):
#     def __repr__(self):
#     def __init__(self, selector, declarations, line, column):
#     def __repr__(self):
#     def __init__(self, name, value, priority, line, column):
#     def __repr__(self):
#     def __init__(self, selector, specificity, declarations, at_rules,
#                  line, column):
#     def __repr__(self):
#     def __init__(self, media, rules, line, column):
#     def __repr__(self):
#     def __init__(self, uri, media, line, column):
#     def __repr__(self):
# def _remove_at_charset(tokens):
#     def parse_stylesheet_file(self, css_file, protocol_encoding=None,
#                              linking_encoding=None, document_encoding=None):
#     def parse_stylesheet_bytes(self, css_bytes, protocol_encoding=None,
#                                linking_encoding=None, document_encoding=None):
#     def parse_stylesheet(self, css_unicode, encoding=None):
#     def parse_style_attr(self, css_source):
#     def parse_rules(self, tokens, context):
#     def read_at_rule(self, at_keyword_token, tokens):
#     def parse_at_rule(self, rule, previous_rules, errors, context):
#     def parse_media(self, tokens):
#     def parse_page_selector(self, tokens):
#     def parse_declarations_and_at_rules(self, tokens, context):
#     def parse_ruleset(self, first_token, tokens):
#     def parse_declaration_list(self, tokens):
#     def parse_declaration(self, tokens):
#     def parse_value_priority(self, tokens):


# Path: tinycsscheme/parser.py
import re
from itertools import chain
from .tinycss.css21 import (ParseError, Declaration, RuleSet, CSS21Parser,
                            strip_whitespace, validate_any)

        head = rule.head
        if rule.body is not None:
            raise ParseError(rule.head[-1] if rule.head else rule, "expected ';', got a block")

        if not head:
            raise ParseError(rule, 'expected value for {0} rule'.format(rule.at_keyword))
        if len(head) > 1:
            raise ParseError(head[1], 'expected 1 token for {0} rule, got {1}'
                                      .format(rule.at_keyword, len(head)))
        token = head[0]

        # DIMENSION is used for uuids that start with a number
        whole_value = strvalue(token)
        if not (token.type in ('STRING', 'IDENT', 'HASH')
                or (token.type == 'DIMENSION' and is_uuid(whole_value))):
            raise ParseError(rule, 'expected STRING, IDENT or HASH token or a valid uuid4 for '
                                   '{0} rule, got {1}'.format(rule.at_keyword, token.type))

        return StringRule(rule.at_keyword, token, rule.line, rule.column)

    def parse_ruleset(self, first_token, tokens):
        """Parse a ruleset: a selector followed by declaration block.

        Modified in that we call :meth:`parse_declarations_and_at_rules` instead of
        :meth:`parse_declaration_list` and manually add at-rules afterwards.
        """
        selector = []
        for token in chain([first_token], tokens):
            if token.type == '{':
                # Parse/validate once we've read the whole rule

                selector = strip_whitespace(selector)