diff options
Diffstat (limited to 'node_modules/node-sass/src/libsass/src/prelexer.hpp')
| -rw-r--r-- | node_modules/node-sass/src/libsass/src/prelexer.hpp | 484 |
1 files changed, 0 insertions, 484 deletions
diff --git a/node_modules/node-sass/src/libsass/src/prelexer.hpp b/node_modules/node-sass/src/libsass/src/prelexer.hpp deleted file mode 100644 index 2d8f831..0000000 --- a/node_modules/node-sass/src/libsass/src/prelexer.hpp +++ /dev/null @@ -1,484 +0,0 @@ -#ifndef SASS_PRELEXER_H -#define SASS_PRELEXER_H - -#include <cstring> -#include "lexer.hpp" - -namespace Sass { - // using namespace Lexer; - namespace Prelexer { - - //#################################### - // KEYWORD "REGEX" MATCHERS - //#################################### - - // Match Sass boolean keywords. - const char* kwd_true(const char* src); - const char* kwd_false(const char* src); - const char* kwd_only(const char* src); - const char* kwd_and(const char* src); - const char* kwd_or(const char* src); - const char* kwd_not(const char* src); - const char* kwd_eq(const char* src); - const char* kwd_neq(const char* src); - const char* kwd_gt(const char* src); - const char* kwd_gte(const char* src); - const char* kwd_lt(const char* src); - const char* kwd_lte(const char* src); - - // Match standard control chars - const char* kwd_at(const char* src); - const char* kwd_dot(const char* src); - const char* kwd_comma(const char* src); - const char* kwd_colon(const char* src); - const char* kwd_slash(const char* src); - const char* kwd_star(const char* src); - const char* kwd_plus(const char* src); - const char* kwd_minus(const char* src); - - //#################################### - // SPECIAL "REGEX" CONSTRUCTS - //#################################### - - // Match a sequence of characters delimited by the supplied chars. - template <char beg, char end, bool esc> - const char* delimited_by(const char* src) { - src = exactly<beg>(src); - if (!src) return 0; - const char* stop; - while (true) { - if (!*src) return 0; - stop = exactly<end>(src); - if (stop && (!esc || *(src - 1) != '\\')) return stop; - src = stop ? stop : src + 1; - } - } - - // skip to delimiter (mx) inside given range - // this will savely skip over all quoted strings - // recursive skip stuff delimited by start/stop - // first start/opener must be consumed already! - template<prelexer start, prelexer stop> - const char* skip_over_scopes(const char* src, const char* end) { - - size_t level = 0; - bool in_squote = false; - bool in_dquote = false; - // bool in_braces = false; - - while (*src) { - - // check for abort condition - if (end && src >= end) break; - - // has escaped sequence? - if (*src == '\\') { - ++ src; // skip this (and next) - } - else if (*src == '"') { - in_dquote = ! in_dquote; - } - else if (*src == '\'') { - in_squote = ! in_squote; - } - else if (in_dquote || in_squote) { - // take everything literally - } - - // find another opener inside? - else if (const char* pos = start(src)) { - ++ level; // increase counter - src = pos - 1; // advance position - } - - // look for the closer (maybe final, maybe not) - else if (const char* final = stop(src)) { - // only close one level? - if (level > 0) -- level; - // return position at end of stop - // delimiter may be multiple chars - else return final; - // advance position - src = final - 1; - } - - // next - ++ src; - } - - return 0; - } - - // skip to a skip delimited by parentheses - // uses smart `skip_over_scopes` internally - const char* parenthese_scope(const char* src); - - // skip to delimiter (mx) inside given range - // this will savely skip over all quoted strings - // recursive skip stuff delimited by start/stop - // first start/opener must be consumed already! - template<prelexer start, prelexer stop> - const char* skip_over_scopes(const char* src) { - return skip_over_scopes<start, stop>(src, 0); - } - - // Match a sequence of characters delimited by the supplied chars. - template <prelexer start, prelexer stop> - const char* recursive_scopes(const char* src) { - // parse opener - src = start(src); - // abort if not found - if (!src) return 0; - // parse the rest until final closer - return skip_over_scopes<start, stop>(src); - } - - // Match a sequence of characters delimited by the supplied strings. - template <const char* beg, const char* end, bool esc> - const char* delimited_by(const char* src) { - src = exactly<beg>(src); - if (!src) return 0; - const char* stop; - while (true) { - if (!*src) return 0; - stop = exactly<end>(src); - if (stop && (!esc || *(src - 1) != '\\')) return stop; - src = stop ? stop : src + 1; - } - } - - // Tries to match a certain number of times (between the supplied interval). - template<prelexer mx, size_t lo, size_t hi> - const char* between(const char* src) { - for (size_t i = 0; i < lo; ++i) { - src = mx(src); - if (!src) return 0; - } - for (size_t i = lo; i <= hi; ++i) { - const char* new_src = mx(src); - if (!new_src) return src; - src = new_src; - } - return src; - } - - // equivalent of STRING_REGULAR_EXPRESSIONS - const char* re_string_double_open(const char* src); - const char* re_string_double_close(const char* src); - const char* re_string_single_open(const char* src); - const char* re_string_single_close(const char* src); - const char* re_string_uri_open(const char* src); - const char* re_string_uri_close(const char* src); - - // Match a line comment. - const char* line_comment(const char* src); - - // Match a block comment. - const char* block_comment(const char* src); - // Match either. - const char* comment(const char* src); - // Match double- and single-quoted strings. - const char* double_quoted_string(const char* src); - const char* single_quoted_string(const char* src); - const char* quoted_string(const char* src); - // Match interpolants. - const char* interpolant(const char* src); - // Match number prefix ([\+\-]+) - const char* number_prefix(const char* src); - - // Match zero plus white-space or line_comments - const char* optional_css_whitespace(const char* src); - const char* css_whitespace(const char* src); - // Match optional_css_whitepace plus block_comments - const char* optional_css_comments(const char* src); - const char* css_comments(const char* src); - - // Match one backslash escaped char - const char* escape_seq(const char* src); - - // Match CSS css variables. - const char* custom_property_name(const char* src); - // Match a CSS identifier. - const char* identifier(const char* src); - const char* identifier_alpha(const char* src); - const char* identifier_alnum(const char* src); - const char* strict_identifier(const char* src); - const char* strict_identifier_alpha(const char* src); - const char* strict_identifier_alnum(const char* src); - // Match a CSS unit identifier. - const char* one_unit(const char* src); - const char* multiple_units(const char* src); - const char* unit_identifier(const char* src); - // const char* strict_identifier_alnums(const char* src); - // Match reference selector. - const char* re_reference_combinator(const char* src); - const char* static_reference_combinator(const char* src); - const char* schema_reference_combinator(const char* src); - - // Match interpolant schemas - const char* identifier_schema(const char* src); - const char* value_schema(const char* src); - const char* sass_value(const char* src); - // const char* filename(const char* src); - // const char* filename_schema(const char* src); - // const char* url_schema(const char* src); - // const char* url_value(const char* src); - const char* vendor_prefix(const char* src); - - const char* re_special_directive(const char* src); - const char* re_prefixed_directive(const char* src); - const char* re_almost_any_value_token(const char* src); - - // Match CSS '@' keywords. - const char* at_keyword(const char* src); - const char* kwd_import(const char* src); - const char* kwd_at_root(const char* src); - const char* kwd_with_directive(const char* src); - const char* kwd_without_directive(const char* src); - const char* kwd_media(const char* src); - const char* kwd_supports_directive(const char* src); - // const char* keyframes(const char* src); - // const char* keyf(const char* src); - const char* kwd_mixin(const char* src); - const char* kwd_function(const char* src); - const char* kwd_return_directive(const char* src); - const char* kwd_include_directive(const char* src); - const char* kwd_content_directive(const char* src); - const char* kwd_charset_directive(const char* src); - const char* kwd_extend(const char* src); - - const char* unicode_seq(const char* src); - - const char* kwd_if_directive(const char* src); - const char* kwd_else_directive(const char* src); - const char* elseif_directive(const char* src); - - const char* kwd_for_directive(const char* src); - const char* kwd_from(const char* src); - const char* kwd_to(const char* src); - const char* kwd_through(const char* src); - - const char* kwd_each_directive(const char* src); - const char* kwd_in(const char* src); - - const char* kwd_while_directive(const char* src); - - const char* re_nothing(const char* src); - - const char* re_special_fun(const char* src); - - const char* kwd_warn(const char* src); - const char* kwd_err(const char* src); - const char* kwd_dbg(const char* src); - - const char* kwd_null(const char* src); - - const char* re_selector_list(const char* src); - const char* re_type_selector(const char* src); - const char* re_static_expression(const char* src); - - // identifier that can start with hyphens - const char* css_identifier(const char* src); - const char* css_ip_identifier(const char* src); - - // Match CSS type selectors - const char* namespace_schema(const char* src); - const char* namespace_prefix(const char* src); - const char* type_selector(const char* src); - 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* op(const char* src); - 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); - // Match CSS "!important" keyword. - const char* kwd_important(const char* src); - // Match CSS "!optional" keyword. - const char* kwd_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* re_functional(const char* src); - const char* re_pseudo_selector(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); - const char* calc_fn_call(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); - const char* ie_keyword_arg_value(const char* src); - const char* ie_keyword_arg_property(const char* src); - - // characters that terminate parsing of a list - const char* list_terminator(const char* src); - const char* space_list_terminator(const char* src); - - // match url() - const char* H(const char* src); - const char* W(const char* src); - // `UNICODE` makes VS sad - const char* UUNICODE(const char* src); - const char* NONASCII(const char* src); - const char* ESCAPE(const char* src); - const char* real_uri(const char* src); - const char* real_uri_suffix(const char* src); - // const char* real_uri_prefix(const char* src); - const char* real_uri_value(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_property(const char* src); - const char* static_value(const char* src); - - const char* css_variable_value(const char* src); - const char* css_variable_top_level_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, prelexer skip> - 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 (const char* pos = skip(beg)) beg = pos; - 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; - } - - template <size_t size, prelexer mx, prelexer pad> - const char* padded_token(const char* src) - { - size_t got = 0; - const char* pos = src; - while (got < size) { - if (!mx(pos)) break; - ++ pos; ++ got; - } - while (got < size) { - if (!pad(pos)) break; - ++ pos; ++ got; - } - return got ? pos : 0; - } - - template <size_t min, size_t max, prelexer mx> - const char* minmax_range(const char* src) - { - size_t got = 0; - const char* pos = src; - while (got < max) { - if (!mx(pos)) break; - ++ pos; ++ got; - } - if (got < min) return 0; - if (got > max) return 0; - return pos; - } - - template <char min, char max> - const char* char_range(const char* src) - { - if (*src < min) return 0; - if (*src > max) return 0; - return src + 1; - } - - } -} - -#endif |