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libsass/prelexer.hpp  view on Meta::CPAN

    const char* hyphens_and_identifier(const char* src);
    const char* hyphens_and_name(const char* src);
    const char* universal(const char* src);
    // Match CSS id names.
    const char* id_name(const char* src);
    // Match CSS class names.
    const char* class_name(const char* src);
    // Attribute name in an attribute selector
    const char* attribute_name(const char* src);
    // Match placeholder selectors.
    const char* placeholder(const char* src);
    // Match CSS numeric constants.
    const char* sign(const char* src);
    const char* unsigned_number(const char* src);
    const char* number(const char* src);
    const char* coefficient(const char* src);
    const char* binomial(const char* src);
    const char* percentage(const char* src);
    const char* ampersand(const char* src);
    const char* dimension(const char* src);
    const char* hex(const char* src);
    const char* hexa(const char* src);
    const char* hex0(const char* src);
    // const char* rgb_prefix(const char* src);
    // Match CSS uri specifiers.
    const char* uri_prefix(const char* src);
    const char* uri_value(const char* src);
    // Match CSS "!important" keyword.
    const char* important(const char* src);
    // Match CSS "!optional" keyword.
    const char* optional(const char* src);
    // Match Sass "!default" keyword.
    const char* default_flag(const char* src);
    const char* global_flag(const char* src);
    // Match CSS pseudo-class/element prefixes
    const char* pseudo_prefix(const char* src);
    // Match CSS function call openers.
    const char* functional(const char* src);
    const char* functional_schema(const char* src);
    const char* pseudo_not(const char* src);
    // Match CSS 'odd' and 'even' keywords for functional pseudo-classes.
    const char* even(const char* src);
    const char* odd(const char* src);
    // Match CSS attribute-matching operators.
    const char* exact_match(const char* src);
    const char* class_match(const char* src);
    const char* dash_match(const char* src);
    const char* prefix_match(const char* src);
    const char* suffix_match(const char* src);
    const char* substring_match(const char* src);
    // Match CSS combinators.
    // const char* adjacent_to(const char* src);
    // const char* precedes(const char* src);
    // const char* parent_of(const char* src);
    // const char* ancestor_of(const char* src);

    // Match SCSS variable names.
    const char* variable(const char* src);

    // IE stuff
    const char* ie_progid(const char* src);
    const char* ie_expression(const char* src);
    const char* ie_property(const char* src);
    const char* ie_keyword_arg(const char* src);

    // match urls
    const char* url(const char* src);

    // Path matching functions.
    // const char* folder(const char* src);
    // const char* folders(const char* src);


    const char* static_string(const char* src);
    const char* static_component(const char* src);
    const char* static_value(const char* src);

    // Utility functions for finding and counting characters in a string.
    template<char c>
    const char* find_first(const char* src) {
      while (*src && *src != c) ++src;
      return *src ? src : 0;
    }
    template<prelexer mx>
    const char* find_first(const char* src) {
      while (*src && !mx(src)) ++src;
      return *src ? src : 0;
    }
    template<prelexer mx>
    const char* find_first_in_interval(const char* beg, const char* end) {
      bool esc = false;
      while ((beg < end) && *beg) {
        if (esc) esc = false;
        else if (*beg == '\\') esc = true;
        else if (mx(beg)) return beg;
        ++beg;
      }
      return 0;
    }
    template <prelexer mx>
    unsigned int count_interval(const char* beg, const char* end) {
      unsigned int counter = 0;
      bool esc = false;
      while (beg < end && *beg) {
        const char* p;
        if (esc) {
          esc = false;
          ++beg;
        } else if (*beg == '\\') {
          esc = true;
          ++beg;
        } else if ((p = mx(beg))) {
          ++counter;
          beg = p;
        }
        else {
          ++beg;
        }
      }
      return counter;
    }