171 lines
6.4 KiB
JavaScript
171 lines
6.4 KiB
JavaScript
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/* ***** BEGIN LICENSE BLOCK *****
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* Distributed under the BSD license:
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*
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* Copyright (c) 2010, Ajax.org B.V.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Ajax.org B.V. nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ***** END LICENSE BLOCK ***** */
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define(function(require, exports, module) {
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"use strict";
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var oop = require("../lib/oop");
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var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
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var CssHighlightRules = require('./css_highlight_rules');
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var LessHighlightRules = function() {
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var keywordList = "@import|@media|@font-face|@keyframes|@-webkit-keyframes|@supports|" +
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"@charset|@plugin|@namespace|@document|@page|@viewport|@-ms-viewport|" +
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"or|and|when|not";
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var keywords = keywordList.split('|');
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var properties = CssHighlightRules.supportType.split('|');
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var keywordMapper = this.createKeywordMapper({
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"support.constant": CssHighlightRules.supportConstant,
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"keyword": keywordList,
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"support.constant.color": CssHighlightRules.supportConstantColor,
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"support.constant.fonts": CssHighlightRules.supportConstantFonts
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}, "identifier", true);
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// regexp must not have capturing parentheses. Use (?:) instead.
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// regexps are ordered -> the first match is used
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var numRe = "\\-?(?:(?:[0-9]+)|(?:[0-9]*\\.[0-9]+))";
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// regexp must not have capturing parentheses. Use (?:) instead.
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// regexps are ordered -> the first match is used
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this.$rules = {
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"start" : [
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{
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token : "comment",
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regex : "\\/\\/.*$"
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},
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{
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token : "comment", // multi line comment
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regex : "\\/\\*",
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next : "comment"
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}, {
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token : "string", // single line
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regex : '["](?:(?:\\\\.)|(?:[^"\\\\]))*?["]'
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}, {
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token : "string", // single line
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regex : "['](?:(?:\\\\.)|(?:[^'\\\\]))*?[']"
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}, {
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token : ["constant.numeric", "keyword"],
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regex : "(" + numRe + ")(ch|cm|deg|em|ex|fr|gd|grad|Hz|in|kHz|mm|ms|pc|pt|px|rad|rem|s|turn|vh|vm|vw|%)"
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}, {
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token : "constant.numeric", // hex6 color
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regex : "#[a-f0-9]{6}"
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}, {
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token : "constant.numeric", // hex3 color
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regex : "#[a-f0-9]{3}"
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}, {
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token : "constant.numeric",
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regex : numRe
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}, {
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token : ["support.function", "paren.lparen", "string", "paren.rparen"],
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regex : "(url)(\\()(.*)(\\))"
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}, {
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token : ["support.function", "paren.lparen"],
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regex : "(:extend|[a-z0-9_\\-]+)(\\()"
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}, {
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token : function(value) {
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if (keywords.indexOf(value.toLowerCase()) > -1)
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return "keyword";
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else
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return "variable";
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},
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regex : "[@\\$][a-z0-9_\\-@\\$]*\\b"
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}, {
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token : "variable",
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regex : "[@\\$]\\{[a-z0-9_\\-@\\$]*\\}"
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}, {
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token : function(first, second) {
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if(properties.indexOf(first.toLowerCase()) > -1) {
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return ["support.type.property", "text"];
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}
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else {
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return ["support.type.unknownProperty", "text"];
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}
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},
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regex : "([a-z0-9-_]+)(\\s*:)"
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}, {
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token : "keyword",
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regex : "&" // special case - always treat as keyword
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}, {
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token : keywordMapper,
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regex : "\\-?[@a-z_][@a-z0-9_\\-]*"
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}, {
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token: "variable.language",
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regex: "#[a-z0-9-_]+"
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}, {
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token: "variable.language",
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regex: "\\.[a-z0-9-_]+"
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}, {
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token: "variable.language",
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regex: ":[a-z_][a-z0-9-_]*"
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}, {
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token: "constant",
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regex: "[a-z0-9-_]+"
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}, {
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token : "keyword.operator",
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regex : "<|>|<=|>=|=|!=|-|%|\\+|\\*"
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}, {
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token : "paren.lparen",
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regex : "[[({]"
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}, {
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token : "paren.rparen",
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regex : "[\\])}]"
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}, {
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token : "text",
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regex : "\\s+"
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}, {
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caseInsensitive: true
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}
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],
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"comment" : [
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{
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token : "comment", // closing comment
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regex : "\\*\\/",
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next : "start"
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}, {
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defaultToken : "comment"
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}
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]
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};
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this.normalizeRules();
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};
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oop.inherits(LessHighlightRules, TextHighlightRules);
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exports.LessHighlightRules = LessHighlightRules;
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});
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