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// Copyright (C) 2009 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* @fileoverview
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* Registers a language handler for CSS.
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*
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*
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* To use, include prettify.js and this file in your HTML page.
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* Then put your code in an HTML tag like
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* <pre class="prettyprint lang-css"></pre>
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*
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*
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* http://www.w3.org/TR/CSS21/grammar.html Section G2 defines the lexical
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* grammar. This scheme does not recognize keywords containing escapes.
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*
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* @author mikesamuel@gmail.com
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*/
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PR['registerLangHandler'](
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PR['createSimpleLexer'](
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[
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// The space production <s>
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[PR['PR_PLAIN'], /^[ \t\r\n\f]+/, null, ' \t\r\n\f']
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],
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[
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// Quoted strings. <string1> and <string2>
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[PR['PR_STRING'],
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/^\"(?:[^\n\r\f\\\"]|\\(?:\r\n?|\n|\f)|\\[\s\S])*\"/, null],
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[PR['PR_STRING'],
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/^\'(?:[^\n\r\f\\\']|\\(?:\r\n?|\n|\f)|\\[\s\S])*\'/, null],
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['lang-css-str', /^url\(([^\)\"\']*)\)/i],
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[PR['PR_KEYWORD'],
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/^(?:url|rgb|\!important|@import|@page|@media|@charset|inherit)(?=[^\-\w]|$)/i,
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null],
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// A property name -- an identifier followed by a colon.
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['lang-css-kw', /^(-?(?:[_a-z]|(?:\\[0-9a-f]+ ?))(?:[_a-z0-9\-]|\\(?:\\[0-9a-f]+ ?))*)\s*:/i],
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// A C style block comment. The <comment> production.
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[PR['PR_COMMENT'], /^\/\*[^*]*\*+(?:[^\/*][^*]*\*+)*\//],
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// Escaping text spans
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[PR['PR_COMMENT'], /^(?:<!--|-->)/],
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// A number possibly containing a suffix.
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[PR['PR_LITERAL'], /^(?:\d+|\d*\.\d+)(?:%|[a-z]+)?/i],
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// A hex color
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[PR['PR_LITERAL'], /^#(?:[0-9a-f]{3}){1,2}/i],
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// An identifier
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[PR['PR_PLAIN'],
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/^-?(?:[_a-z]|(?:\\[\da-f]+ ?))(?:[_a-z\d\-]|\\(?:\\[\da-f]+ ?))*/i],
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// A run of punctuation
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[PR['PR_PUNCTUATION'], /^[^\s\w\'\"]+/]
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]),
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['css']);
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PR['registerLangHandler'](
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PR['createSimpleLexer']([],
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[
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[PR['PR_KEYWORD'],
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/^-?(?:[_a-z]|(?:\\[\da-f]+ ?))(?:[_a-z\d\-]|\\(?:\\[\da-f]+ ?))*/i]
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]),
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['css-kw']);
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PR['registerLangHandler'](
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PR['createSimpleLexer']([],
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[
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[PR['PR_STRING'], /^[^\)\"\']+/]
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]),
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['css-str']);
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