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fix layouts to be DRY
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Module: Sass::SCSS::RX
&mdash; Documentation by YARD 0.9.12
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<div id="content"><h1>Module: Sass::SCSS::RX
</h1>
<dl class="box">
<dt class="r1">Included in:</dt>
<dd class="r1"><span class='object_link'><a href="Parser.html" title="Sass::SCSS::Parser (class)">Parser</a></span>, <span class='object_link'><a href="../Script/Lexer.html" title="Sass::Script::Lexer (class)">Sass::Script::Lexer</a></span></dd>
<dt class="r2 last">Defined in:</dt>
<dd class="r2 last">.ruby-sass/lib/sass/scss/rx.rb</dd>
</dl>
<div class="clear"></div>
<h2>Overview</h2><div class="docstring">
<div class="discussion">
<p>A module containing regular expressions used for lexing tokens in an SCSS
document. Most of these are taken from [the CSS3 spec](<a
href="http://www.w3.org/TR/css3-syntax/#lexical">www.w3.org/TR/css3-syntax/#lexical</a>),
although some have been modified for various reasons.</p>
</div>
</div>
<div class="tags">
</div>
<h2>Constant Summary</h2>
<dl class="constants">
<dt id="H-constant" class="">H =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>[0-9a-fA-F]</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="NL-constant" class="">NL =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>\n|\r\n|\r|\f</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="UNICODE-constant" class="">UNICODE =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>\\</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#H-constant" title="Sass::SCSS::RX::H (constant)">H</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>{1,6}[ \t\r\n\f]?</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="NONASCII-constant" class="">NONASCII =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>[</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_s'>s</span><span class='embexpr_end'>}</span><span class='tstring_content'>]</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="ESCAPE-constant" class="">ESCAPE =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#UNICODE-constant" title="Sass::SCSS::RX::UNICODE (constant)">UNICODE</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>|\\[ -~</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_s'>s</span><span class='embexpr_end'>}</span><span class='tstring_content'>]</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="NMSTART-constant" class="">NMSTART =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>[_a-zA-Z]|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#NONASCII-constant" title="Sass::SCSS::RX::NONASCII (constant)">NONASCII</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#ESCAPE-constant" title="Sass::SCSS::RX::ESCAPE (constant)">ESCAPE</a></span></span><span class='embexpr_end'>}</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="NMCHAR-constant" class="">NMCHAR =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>[a-zA-Z0-9_-]|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#NONASCII-constant" title="Sass::SCSS::RX::NONASCII (constant)">NONASCII</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#ESCAPE-constant" title="Sass::SCSS::RX::ESCAPE (constant)">ESCAPE</a></span></span><span class='embexpr_end'>}</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="STRING1-constant" class="">STRING1 =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>\&quot;((?:[^\n\r\f\\&quot;]|\\</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#NL-constant" title="Sass::SCSS::RX::NL (constant)">NL</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#ESCAPE-constant" title="Sass::SCSS::RX::ESCAPE (constant)">ESCAPE</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>)*)\&quot;</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="STRING2-constant" class="">STRING2 =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>\&#39;((?:[^\n\r\f\\&#39;]|\\</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#NL-constant" title="Sass::SCSS::RX::NL (constant)">NL</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#ESCAPE-constant" title="Sass::SCSS::RX::ESCAPE (constant)">ESCAPE</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>)*)\&#39;</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="IDENT-constant" class="">IDENT =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>-*</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#NMSTART-constant" title="Sass::SCSS::RX::NMSTART (constant)">NMSTART</a></span></span><span class='embexpr_end'>}</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#NMCHAR-constant" title="Sass::SCSS::RX::NMCHAR (constant)">NMCHAR</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>*</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="NAME-constant" class="">NAME =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#NMCHAR-constant" title="Sass::SCSS::RX::NMCHAR (constant)">NMCHAR</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>+</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="STRING-constant" class="">STRING =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#STRING1-constant" title="Sass::SCSS::RX::STRING1 (constant)">STRING1</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#STRING2-constant" title="Sass::SCSS::RX::STRING2 (constant)">STRING2</a></span></span><span class='embexpr_end'>}</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="URLCHAR-constant" class="">URLCHAR =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>[#%&amp;*-~]|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#NONASCII-constant" title="Sass::SCSS::RX::NONASCII (constant)">NONASCII</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#ESCAPE-constant" title="Sass::SCSS::RX::ESCAPE (constant)">ESCAPE</a></span></span><span class='embexpr_end'>}</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="URL-constant" class="">URL =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>(</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#URLCHAR-constant" title="Sass::SCSS::RX::URLCHAR (constant)">URLCHAR</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>*)</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="W-constant" class="">W =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>[ \t\r\n\f]*</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="VARIABLE-constant" class="">VARIABLE =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>(\$)(</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="../../Sass.html" title="Sass (module)">Sass</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="../SCSS.html" title="Sass::SCSS (module)">SCSS</a></span></span><span class='op'>::</span><span class='const'>RX</span><span class='op'>::</span><span class='const'><span class='object_link'><a href="#IDENT-constant" title="Sass::SCSS::RX::IDENT (constant)">IDENT</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>)</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="RANGE-constant" class="">RANGE =
<div class="docstring">
<div class="discussion">
<p>This is more liberal than the spec&#39;s definition, but that definition
didn&#39;t work well with the greediness rules</p>
</div>
</div>
<div class="tags">
</div>
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>(?:</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#H-constant" title="Sass::SCSS::RX::H (constant)">H</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>|\?){1,6}</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="S-constant" class="">S =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>[ \t\r\n\f]+</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="COMMENT-constant" class="">COMMENT =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>%r{</span><span class='tstring_content'>/\*([^*]|\*+[^/*])*\**\*/</span><span class='regexp_end'>}</span></span></pre></dd>
<dt id="SINGLE_LINE_COMMENT-constant" class="">SINGLE_LINE_COMMENT =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>%r{</span><span class='tstring_content'>//.*(\n[ \t]*//.*)*</span><span class='regexp_end'>}</span></span></pre></dd>
<dt id="CDO-constant" class="">CDO =
</dt>
<dd><pre class="code"><span class='id identifier rubyid_quote'>quote</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>&lt;!--</span><span class='tstring_end'>&quot;</span></span><span class='rparen'>)</span></pre></dd>
<dt id="CDC-constant" class="">CDC =
</dt>
<dd><pre class="code"><span class='id identifier rubyid_quote'>quote</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>--&gt;</span><span class='tstring_end'>&quot;</span></span><span class='rparen'>)</span></pre></dd>
<dt id="INCLUDES-constant" class="">INCLUDES =
</dt>
<dd><pre class="code"><span class='id identifier rubyid_quote'>quote</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>~=</span><span class='tstring_end'>&quot;</span></span><span class='rparen'>)</span></pre></dd>
<dt id="DASHMATCH-constant" class="">DASHMATCH =
</dt>
<dd><pre class="code"><span class='id identifier rubyid_quote'>quote</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>|=</span><span class='tstring_end'>&quot;</span></span><span class='rparen'>)</span></pre></dd>
<dt id="PREFIXMATCH-constant" class="">PREFIXMATCH =
</dt>
<dd><pre class="code"><span class='id identifier rubyid_quote'>quote</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>^=</span><span class='tstring_end'>&quot;</span></span><span class='rparen'>)</span></pre></dd>
<dt id="SUFFIXMATCH-constant" class="">SUFFIXMATCH =
</dt>
<dd><pre class="code"><span class='id identifier rubyid_quote'>quote</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>$=</span><span class='tstring_end'>&quot;</span></span><span class='rparen'>)</span></pre></dd>
<dt id="SUBSTRINGMATCH-constant" class="">SUBSTRINGMATCH =
</dt>
<dd><pre class="code"><span class='id identifier rubyid_quote'>quote</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>*=</span><span class='tstring_end'>&quot;</span></span><span class='rparen'>)</span></pre></dd>
<dt id="HASH-constant" class="">HASH =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>#</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#NAME-constant" title="Sass::SCSS::RX::NAME (constant)">NAME</a></span></span><span class='embexpr_end'>}</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="IMPORTANT-constant" class="">IMPORTANT =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>!</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#W-constant" title="Sass::SCSS::RX::W (constant)">W</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>important</span><span class='regexp_end'>/i</span></span></pre></dd>
<dt id="UNIT-constant" class="">UNIT =
<div class="docstring">
<div class="discussion">
<p>A unit is like an IDENT, but disallows a hyphen followed by a digit. This
allows “1px-2px” to be interpreted as subtraction rather than “1” with the
unit “px-2px”. It also allows “%”.</p>
</div>
</div>
<div class="tags">
</div>
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>-?</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#NMSTART-constant" title="Sass::SCSS::RX::NMSTART (constant)">NMSTART</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>(?:[a-zA-Z0-9_]|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#NONASCII-constant" title="Sass::SCSS::RX::NONASCII (constant)">NONASCII</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#ESCAPE-constant" title="Sass::SCSS::RX::ESCAPE (constant)">ESCAPE</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>|-(?!\.?\d))*|%</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="UNITLESS_NUMBER-constant" class="">UNITLESS_NUMBER =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>(?:[0-9]+|[0-9]*\.[0-9]+)(?:[eE][+-]?\d+)?</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="NUMBER-constant" class="">NUMBER =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#UNITLESS_NUMBER-constant" title="Sass::SCSS::RX::UNITLESS_NUMBER (constant)">UNITLESS_NUMBER</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>(?:</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#UNIT-constant" title="Sass::SCSS::RX::UNIT (constant)">UNIT</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>)?</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="PERCENTAGE-constant" class="">PERCENTAGE =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#UNITLESS_NUMBER-constant" title="Sass::SCSS::RX::UNITLESS_NUMBER (constant)">UNITLESS_NUMBER</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>%</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="URI-constant" class="">URI =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>url\(</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#W-constant" title="Sass::SCSS::RX::W (constant)">W</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>(?:</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#STRING-constant" title="Sass::SCSS::RX::STRING (constant)">STRING</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#URL-constant" title="Sass::SCSS::RX::URL (constant)">URL</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>)</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#W-constant" title="Sass::SCSS::RX::W (constant)">W</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>\)</span><span class='regexp_end'>/i</span></span></pre></dd>
<dt id="FUNCTION-constant" class="">FUNCTION =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#IDENT-constant" title="Sass::SCSS::RX::IDENT (constant)">IDENT</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>\(</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="UNICODERANGE-constant" class="">UNICODERANGE =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>u\+(?:</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#H-constant" title="Sass::SCSS::RX::H (constant)">H</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>{1,6}-</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#H-constant" title="Sass::SCSS::RX::H (constant)">H</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>{1,6}|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#RANGE-constant" title="Sass::SCSS::RX::RANGE (constant)">RANGE</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>)</span><span class='regexp_end'>/i</span></span></pre></dd>
<dt id="PLUS-constant" class="">PLUS =
<div class="docstring">
<div class="discussion">
<p>Defined in <a
href="http://www.w3.org/TR/css3-selectors/#lex">www.w3.org/TR/css3-selectors/#lex</a></p>
</div>
</div>
<div class="tags">
</div>
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#W-constant" title="Sass::SCSS::RX::W (constant)">W</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>\+</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="GREATER-constant" class="">GREATER =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#W-constant" title="Sass::SCSS::RX::W (constant)">W</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>&gt;</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="TILDE-constant" class="">TILDE =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#W-constant" title="Sass::SCSS::RX::W (constant)">W</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>~</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="NOT-constant" class="">NOT =
</dt>
<dd><pre class="code"><span class='id identifier rubyid_quote'>quote</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>:not(</span><span class='tstring_end'>&quot;</span></span><span class='comma'>,</span> <span class='const'>Regexp</span><span class='op'>::</span><span class='const'>IGNORECASE</span><span class='rparen'>)</span></pre></dd>
<dt id="URL_PREFIX-constant" class="">URL_PREFIX =
<div class="docstring">
<div class="discussion">
<p>Defined in <a
href="https://developer.mozilla.org/en/CSS/@-moz-document">developer.mozilla.org/en/CSS/@-moz-document</a>
as a non-standard version of <a
href="http://www.w3.org/TR/css3-conditional">www.w3.org/TR/css3-conditional</a>/</p>
</div>
</div>
<div class="tags">
</div>
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>url-prefix\(</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#W-constant" title="Sass::SCSS::RX::W (constant)">W</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>(?:</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#STRING-constant" title="Sass::SCSS::RX::STRING (constant)">STRING</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#URL-constant" title="Sass::SCSS::RX::URL (constant)">URL</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>)</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#W-constant" title="Sass::SCSS::RX::W (constant)">W</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>\)</span><span class='regexp_end'>/i</span></span></pre></dd>
<dt id="DOMAIN-constant" class="">DOMAIN =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>domain\(</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#W-constant" title="Sass::SCSS::RX::W (constant)">W</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>(?:</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#STRING-constant" title="Sass::SCSS::RX::STRING (constant)">STRING</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#URL-constant" title="Sass::SCSS::RX::URL (constant)">URL</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>)</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#W-constant" title="Sass::SCSS::RX::W (constant)">W</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>\)</span><span class='regexp_end'>/i</span></span></pre></dd>
<dt id="HEXCOLOR-constant" class="">HEXCOLOR =
<div class="docstring">
<div class="discussion">
<p>Custom</p>
</div>
</div>
<div class="tags">
</div>
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>\#[0-9a-fA-F]+</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="INTERP_START-constant" class="">INTERP_START =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>#\{</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="ANY-constant" class="">ANY =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>:(-[-\w]+-)?any\(</span><span class='regexp_end'>/i</span></span></pre></dd>
<dt id="OPTIONAL-constant" class="">OPTIONAL =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>!</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#W-constant" title="Sass::SCSS::RX::W (constant)">W</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>optional</span><span class='regexp_end'>/i</span></span></pre></dd>
<dt id="IDENT_START-constant" class="">IDENT_START =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>-|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#NMSTART-constant" title="Sass::SCSS::RX::NMSTART (constant)">NMSTART</a></span></span><span class='embexpr_end'>}</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="IDENT_HYPHEN_INTERP-constant" class="">IDENT_HYPHEN_INTERP =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>-+(?=#\{)</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="STRING1_NOINTERP-constant" class="">STRING1_NOINTERP =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>\&quot;((?:[^\n\r\f\\&quot;#]|#(?!\{)|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#ESCAPE-constant" title="Sass::SCSS::RX::ESCAPE (constant)">ESCAPE</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>)*)\&quot;</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="STRING2_NOINTERP-constant" class="">STRING2_NOINTERP =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>\&#39;((?:[^\n\r\f\\&#39;#]|#(?!\{)|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#ESCAPE-constant" title="Sass::SCSS::RX::ESCAPE (constant)">ESCAPE</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>)*)\&#39;</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="STRING_NOINTERP-constant" class="">STRING_NOINTERP =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#STRING1_NOINTERP-constant" title="Sass::SCSS::RX::STRING1_NOINTERP (constant)">STRING1_NOINTERP</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#STRING2_NOINTERP-constant" title="Sass::SCSS::RX::STRING2_NOINTERP (constant)">STRING2_NOINTERP</a></span></span><span class='embexpr_end'>}</span><span class='regexp_end'>/</span></span></pre></dd>
<dt id="STATIC_COMPONENT-constant" class="">STATIC_COMPONENT =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#IDENT-constant" title="Sass::SCSS::RX::IDENT (constant)">IDENT</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#STRING_NOINTERP-constant" title="Sass::SCSS::RX::STRING_NOINTERP (constant)">STRING_NOINTERP</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>|</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#HEXCOLOR-constant" title="Sass::SCSS::RX::HEXCOLOR (constant)">HEXCOLOR</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>|[+-]?</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#NUMBER-constant" title="Sass::SCSS::RX::NUMBER (constant)">NUMBER</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>|\!important</span><span class='regexp_end'>/i</span></span></pre></dd>
<dt id="STATIC_VALUE-constant" class="">STATIC_VALUE =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>%r(</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#STATIC_COMPONENT-constant" title="Sass::SCSS::RX::STATIC_COMPONENT (constant)">STATIC_COMPONENT</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>(\s*[\s,\/]\s*</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#STATIC_COMPONENT-constant" title="Sass::SCSS::RX::STATIC_COMPONENT (constant)">STATIC_COMPONENT</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>)*(?=[;}])</span><span class='regexp_end'>)i</span></span></pre></dd>
<dt id="STATIC_SELECTOR-constant" class="">STATIC_SELECTOR =
</dt>
<dd><pre class="code"><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>(</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#NMCHAR-constant" title="Sass::SCSS::RX::NMCHAR (constant)">NMCHAR</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>|[ \t]|[,&gt;+*]|[:#.]</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="#NMSTART-constant" title="Sass::SCSS::RX::NMSTART (constant)">NMSTART</a></span></span><span class='embexpr_end'>}</span><span class='tstring_content'>){1,50}([{])</span><span class='regexp_end'>/i</span></span></pre></dd>
</dl>
<h2>
Class Method Summary
<small>(<a href="#" class="summary_toggle">collapse</a>)</small>
</h2>
<ul class="summary">
<li class="public ">
<span class="summary_signature">
<a href="#escape_char-class_method" title="escape_char (class method)">.<strong>escape_char</strong>(c) &#x21d2; String </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Escapes a single character for a CSS identifier.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#escape_ident-class_method" title="escape_ident (class method)">.<strong>escape_ident</strong>(str) &#x21d2; String </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Takes a string and returns a CSS identifier that will have the value of the
given string.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#quote-class_method" title="quote (class method)">.<strong>quote</strong>(str, flags = 0) &#x21d2; Regexp </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Creates a Regexp from a plain text string, escaping all significant
characters.</p>
</div></span>
</li>
</ul>
<div id="class_method_details" class="method_details_list">
<h2>Class Method Details</h2>
<div class="method_details first">
<h3 class="signature first" id="escape_char-class_method">
.<strong>escape_char</strong>(c) &#x21d2; <tt>String</tt>
</h3><div class="docstring">
<div class="discussion">
<p>Escapes a single character for a CSS identifier.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>c</span>
<span class='type'>(<tt>String</tt>)</span>
&mdash;
<div class='inline'>
<p>The character to escape. Should have length 1</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>String</tt>)</span>
&mdash;
<div class='inline'>
<p>The escaped character</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
34
35
36
37</pre>
</td>
<td>
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/scss/rx.rb', line 34</span>
<span class='kw'>def</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_escape_char'>escape_char</span><span class='lparen'>(</span><span class='id identifier rubyid_c'>c</span><span class='rparen'>)</span>
<span class='kw'>return</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>\\%06x</span><span class='tstring_end'>&quot;</span></span> <span class='op'>%</span> <span class='id identifier rubyid_c'>c</span><span class='period'>.</span><span class='id identifier rubyid_ord'>ord</span> <span class='kw'>unless</span> <span class='id identifier rubyid_c'>c</span> <span class='op'>=~</span> <span class='tstring'><span class='regexp_beg'>%r{</span><span class='tstring_content'>[ -/:-~]</span><span class='regexp_end'>}</span></span>
<span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>\\</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_c'>c</span><span class='embexpr_end'>}</span><span class='tstring_end'>&quot;</span></span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="escape_ident-class_method">
.<strong>escape_ident</strong>(str) &#x21d2; <tt>String</tt>
</h3><div class="docstring">
<div class="discussion">
<p>Takes a string and returns a CSS identifier that will have the value of the
given string.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>str</span>
<span class='type'>(<tt>String</tt>)</span>
&mdash;
<div class='inline'>
<p>The string to escape</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>String</tt>)</span>
&mdash;
<div class='inline'>
<p>The escaped string</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
14
15
16
17
18
19
20
21
22
23
24
25
26
27</pre>
</td>
<td>
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/scss/rx.rb', line 14</span>
<span class='kw'>def</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_escape_ident'>escape_ident</span><span class='lparen'>(</span><span class='id identifier rubyid_str'>str</span><span class='rparen'>)</span>
<span class='kw'>return</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_end'>&quot;</span></span> <span class='kw'>if</span> <span class='id identifier rubyid_str'>str</span><span class='period'>.</span><span class='id identifier rubyid_empty?'>empty?</span>
<span class='kw'>return</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>\\</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_str'>str</span><span class='embexpr_end'>}</span><span class='tstring_end'>&quot;</span></span> <span class='kw'>if</span> <span class='id identifier rubyid_str'>str</span> <span class='op'>==</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>-</span><span class='tstring_end'>&#39;</span></span> <span class='op'>||</span> <span class='id identifier rubyid_str'>str</span> <span class='op'>==</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>_</span><span class='tstring_end'>&#39;</span></span>
<span class='id identifier rubyid_out'>out</span> <span class='op'>=</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_end'>&quot;</span></span>
<span class='id identifier rubyid_value'>value</span> <span class='op'>=</span> <span class='id identifier rubyid_str'>str</span><span class='period'>.</span><span class='id identifier rubyid_dup'>dup</span>
<span class='id identifier rubyid_out'>out</span> <span class='op'>&lt;&lt;</span> <span class='id identifier rubyid_value'>value</span><span class='period'>.</span><span class='id identifier rubyid_slice!'>slice!</span><span class='lparen'>(</span><span class='int'>0</span><span class='op'>...</span><span class='int'>1</span><span class='rparen'>)</span> <span class='kw'>if</span> <span class='id identifier rubyid_value'>value</span> <span class='op'>=~</span> <span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>^[-_]</span><span class='regexp_end'>/</span></span>
<span class='kw'>if</span> <span class='id identifier rubyid_value'>value</span><span class='lbracket'>[</span><span class='int'>0</span><span class='op'>...</span><span class='int'>1</span><span class='rbracket'>]</span> <span class='op'>=~</span> <span class='const'><span class='object_link'><a href="#NMSTART-constant" title="Sass::SCSS::RX::NMSTART (constant)">NMSTART</a></span></span>
<span class='id identifier rubyid_out'>out</span> <span class='op'>&lt;&lt;</span> <span class='id identifier rubyid_value'>value</span><span class='period'>.</span><span class='id identifier rubyid_slice!'>slice!</span><span class='lparen'>(</span><span class='int'>0</span><span class='op'>...</span><span class='int'>1</span><span class='rparen'>)</span>
<span class='kw'>else</span>
<span class='id identifier rubyid_out'>out</span> <span class='op'>&lt;&lt;</span> <span class='id identifier rubyid_escape_char'>escape_char</span><span class='lparen'>(</span><span class='id identifier rubyid_value'>value</span><span class='period'>.</span><span class='id identifier rubyid_slice!'>slice!</span><span class='lparen'>(</span><span class='int'>0</span><span class='op'>...</span><span class='int'>1</span><span class='rparen'>)</span><span class='rparen'>)</span>
<span class='kw'>end</span>
<span class='id identifier rubyid_out'>out</span> <span class='op'>&lt;&lt;</span> <span class='id identifier rubyid_value'>value</span><span class='period'>.</span><span class='id identifier rubyid_gsub'>gsub</span><span class='lparen'>(</span><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>[^a-zA-Z0-9_-]</span><span class='regexp_end'>/</span></span><span class='rparen'>)</span> <span class='lbrace'>{</span><span class='op'>|</span><span class='id identifier rubyid_c'>c</span><span class='op'>|</span> <span class='id identifier rubyid_escape_char'>escape_char</span> <span class='id identifier rubyid_c'>c</span><span class='rbrace'>}</span>
<span class='id identifier rubyid_out'>out</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="quote-class_method">
.<strong>quote</strong>(str, flags = 0) &#x21d2; <tt>Regexp</tt>
</h3><div class="docstring">
<div class="discussion">
<p>Creates a Regexp from a plain text string, escaping all significant
characters.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>str</span>
<span class='type'>(<tt>String</tt>)</span>
&mdash;
<div class='inline'>
<p>The text of the regexp</p>
</div>
</li>
<li>
<span class='name'>flags</span>
<span class='type'>(<tt>Integer</tt>)</span>
<em class="default">(defaults to: <tt>0</tt>)</em>
&mdash;
<div class='inline'>
<p>Flags for the created regular expression</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>Regexp</tt>)</span>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
46
47
48</pre>
</td>
<td>
<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/scss/rx.rb', line 46</span>
<span class='kw'>def</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_quote'>quote</span><span class='lparen'>(</span><span class='id identifier rubyid_str'>str</span><span class='comma'>,</span> <span class='id identifier rubyid_flags'>flags</span> <span class='op'>=</span> <span class='int'>0</span><span class='rparen'>)</span>
<span class='const'>Regexp</span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span><span class='lparen'>(</span><span class='const'>Regexp</span><span class='period'>.</span><span class='id identifier rubyid_quote'>quote</span><span class='lparen'>(</span><span class='id identifier rubyid_str'>str</span><span class='rparen'>)</span><span class='comma'>,</span> <span class='id identifier rubyid_flags'>flags</span><span class='rparen'>)</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
</div>
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