o ¹i¿5ã@s–ddlmZmZmZmZddlmZddd„Zdd„Zddd „Z dd d „Z d d „Z dd„Z ddd„Z ddd„Zddd„Zddd„Zdd„Zdd„ZdS)é)ÚAtRuleÚ DeclarationÚ ParseErrorÚ QualifiedRule)Úparse_component_value_listFcCst|tƒr t||ƒ}t|ƒS)aqIterate component values out of string or component values iterable. :type input: :obj:`str` or :term:`iterable` :param input: A string or an iterable of :term:`component values`. :type skip_comments: :obj:`bool` :param skip_comments: If the input is a string, ignore all CSS comments. :returns: An iterator yielding :term:`component values`. )Ú isinstanceÚstrrÚiter)ÚinputÚ skip_comments©r úJ/var/www/edux/Edux_v2/venv/lib/python3.10/site-packages/tinycss2/parser.pyÚ_to_token_iterators rcCs |D] }|jdvr |SqdS)zçReturn the next significant (neither whitespace or comment) token. :type tokens: :term:`iterator` :param tokens: An iterator yielding :term:`component values`. :returns: A :term:`component value`, or :obj:`None`. ©Ú whitespaceÚcommentN)Útype)ÚtokensÚtokenr r r Ú_next_significants  ÿÿrcCsNt||ƒ}t|ƒ}t|ƒ}|durtddddƒS|dur%t|j|jddƒS|S)aúParse a single :diagram:`component value`. This is used e.g. for an attribute value referred to by ``attr(foo length)``. :type input: :obj:`str` or :term:`iterable` :param input: A string or an iterable of :term:`component values`. :type skip_comments: :obj:`bool` :param skip_comments: If the input is a string, ignore all CSS comments. :returns: A :term:`component value` (that is neither whitespace or comment), or a :class:`~tinycss2.ast.ParseError`. NrÚemptyúInput is emptyú extra-inputzGot more than one token)rrrÚ source_lineÚ source_column)r r rÚfirstÚsecondr r r Úparse_one_component_value"s  þrcCs2t||ƒ}t|ƒ}|durtddddƒSt||ƒS)a?Parse a single :diagram:`declaration`. This is used e.g. for a declaration in an `@supports `_ test. :type input: :obj:`str` or :term:`iterable` :param input: A string or an iterable of :term:`component values`. :type skip_comments: :obj:`bool` :param skip_comments: If the input is a string, ignore all CSS comments. :returns: A :class:`~tinycss2.ast.Declaration` or :class:`~tinycss2.ast.ParseError`. Any whitespace or comment before the ``:`` colon is dropped. Nrrr)rrrÚ_parse_declaration)r r rÚ first_tokenr r r Úparse_one_declaration>s  r c Cs|}|jdkrt|j|jdd|jƒSt|ƒ}|dur$t|j|jddƒS|dkr4t|j|jdd|jƒSg}d}t|ƒD].\}}|dkrM|d krMd }|}n|d kr^|jdkr^|jd kr^d }n|jd vred}| |¡q<|d krt||d…=t|j|j|j |j||d kƒS) a§Parse a declaration. Consume :obj:`tokens` until the end of the declaration or the first error. :type first_token: :term:`component value` :param first_token: The first component value of the rule. :type tokens: :term:`iterator` :param tokens: An iterator yielding :term:`component values`. :returns: A :class:`~tinycss2.ast.Declaration` or :class:`~tinycss2.ast.ParseError`. ÚidentÚinvalidz.Expected for declaration name, got %s.Nz,Expected ':' after declaration name, got EOFú:z,Expected ':' after declaration name, got %s.Úvalueú!ÚbangÚ importantr) rrrrrÚ enumerateÚ lower_valueÚappendrr$) rrÚnameÚcolonr$ÚstateÚirÚ bang_positionr r r rVsF  ÿÿ ÿ ÿÿ     ÿrcCs2g}|D] }|dkr n| |¡qt|t|ƒƒS)z=Like :func:`_parse_declaration`, but stop at the first ``;``.ú;)r*rr )rrÚother_declaration_tokensrr r r Ú_consume_declaration_in_list‡s  r2cCs„t||ƒ}g}|D]6}|jdkr|s| |¡q |jdkr%|s$| |¡q |jdkr3| t||ƒ¡q |dkr?| t||ƒ¡q |S)uMParse a :diagram:`declaration list` (which may also contain at-rules). This is used e.g. for the :attr:`~tinycss2.ast.QualifiedRule.content` of a style rule or ``@page`` rule, or for the ``style`` attribute of an HTML element. In contexts that don’t expect any at-rule, all :class:`~tinycss2.ast.AtRule` objects should simply be rejected as invalid. :type input: :obj:`str` or :term:`iterable` :param input: A string or an iterable of :term:`component values`. :type skip_comments: :obj:`bool` :param skip_comments: Ignore CSS comments at the top-level of the list. If the input is a string, ignore all comments. :type skip_whitespace: :obj:`bool` :param skip_whitespace: Ignore whitespace at the top-level of the list. Whitespace is still preserved in the :attr:`~tinycss2.ast.Declaration.value` of declarations and the :attr:`~tinycss2.ast.AtRule.prelude` and :attr:`~tinycss2.ast.AtRule.content` of at-rules. :returns: A list of :class:`~tinycss2.ast.Declaration`, :class:`~tinycss2.ast.AtRule`, :class:`~tinycss2.ast.Comment` (if ``skip_comments`` is false), :class:`~tinycss2.ast.WhitespaceToken` (if ``skip_whitespace`` is false), and :class:`~tinycss2.ast.ParseError` objects rrú at-keywordr0)rrr*Ú_consume_at_ruler2©r r Úskip_whitespacerÚresultrr r r Úparse_declaration_list‘s" "  €  € €r8cCs^t||ƒ}t|ƒ}|durtddddƒSt||ƒ}t|ƒ}|dur-t|j|jdd|jƒS|S)a¬Parse a single :diagram:`qualified rule` or :diagram:`at-rule`. This would be used e.g. by `insertRule() `_ in an implementation of CSSOM. :type input: :obj:`str` or :term:`iterable` :param input: A string or an iterable of :term:`component values`. :type skip_comments: :obj:`bool` :param skip_comments: If the input is a string, ignore all CSS comments. :returns: A :class:`~tinycss2.ast.QualifiedRule`, :class:`~tinycss2.ast.AtRule`, or :class:`~tinycss2.ast.ParseError` objects. Any whitespace or comment before or after the rule is dropped. Nrrrrz4Expected a single rule, got %s after the first rule.)rrrÚ _consume_rulerrr)r r rrÚruleÚnextr r r Úparse_one_ruleÃs   þr<cCs`t||ƒ}g}|D]$}|jdkr|s| |¡q |jdkr%|s$| |¡q | t||ƒ¡q |S)a§Parse a non-top-level :diagram:`rule list`. This is used for parsing the :attr:`~tinycss2.ast.AtRule.content` of nested rules like ``@media``. This differs from :func:`parse_stylesheet` in that top-level ```` tokens are not ignored. :type input: :obj:`str` or :term:`iterable` :param input: A string or an iterable of :term:`component values`. :type skip_comments: :obj:`bool` :param skip_comments: Ignore CSS comments at the top-level of the list. If the input is a string, ignore all comments. :type skip_whitespace: :obj:`bool` :param skip_whitespace: Ignore whitespace at the top-level of the list. Whitespace is still preserved in the :attr:`~tinycss2.ast.QualifiedRule.prelude` and the :attr:`~tinycss2.ast.QualifiedRule.content` of rules. :returns: A list of :class:`~tinycss2.ast.QualifiedRule`, :class:`~tinycss2.ast.AtRule`, :class:`~tinycss2.ast.Comment` (if ``skip_comments`` is false), :class:`~tinycss2.ast.WhitespaceToken` (if ``skip_whitespace`` is false), and :class:`~tinycss2.ast.ParseError` objects. rr©rrr*r9r5r r r Úparse_rule_listås   €  €r>cCsht||ƒ}g}|D](}|jdkr|s| |¡q |jdkr%|s$| |¡q |dvr1| t||ƒ¡q |S)a²Parse :diagram:`stylesheet` from text. This is used e.g. for a ``