less.js 3.5 KB

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  1. /* ***** BEGIN LICENSE BLOCK *****
  2. * Distributed under the BSD license:
  3. *
  4. * Copyright (c) 2010, Ajax.org B.V.
  5. * All rights reserved.
  6. *
  7. * Redistribution and use in source and binary forms, with or without
  8. * modification, are permitted provided that the following conditions are met:
  9. * * Redistributions of source code must retain the above copyright
  10. * notice, this list of conditions and the following disclaimer.
  11. * * Redistributions in binary form must reproduce the above copyright
  12. * notice, this list of conditions and the following disclaimer in the
  13. * documentation and/or other materials provided with the distribution.
  14. * * Neither the name of Ajax.org B.V. nor the
  15. * names of its contributors may be used to endorse or promote products
  16. * derived from this software without specific prior written permission.
  17. *
  18. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  19. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  21. * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
  22. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  23. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  24. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  25. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28. *
  29. * ***** END LICENSE BLOCK ***** */
  30. define(function(require, exports, module) {
  31. "use strict";
  32. var oop = require("../lib/oop");
  33. var TextMode = require("./text").Mode;
  34. var LessHighlightRules = require("./less_highlight_rules").LessHighlightRules;
  35. var MatchingBraceOutdent = require("./matching_brace_outdent").MatchingBraceOutdent;
  36. var CssBehaviour = require("./behaviour/css").CssBehaviour;
  37. var CssCompletions = require("./css_completions").CssCompletions;
  38. var CStyleFoldMode = require("./folding/cstyle").FoldMode;
  39. var Mode = function() {
  40. this.HighlightRules = LessHighlightRules;
  41. this.$outdent = new MatchingBraceOutdent();
  42. this.$behaviour = new CssBehaviour();
  43. this.$completer = new CssCompletions();
  44. this.foldingRules = new CStyleFoldMode();
  45. };
  46. oop.inherits(Mode, TextMode);
  47. (function() {
  48. this.lineCommentStart = "//";
  49. this.blockComment = {start: "/*", end: "*/"};
  50. this.getNextLineIndent = function(state, line, tab) {
  51. var indent = this.$getIndent(line);
  52. // ignore braces in comments
  53. var tokens = this.getTokenizer().getLineTokens(line, state).tokens;
  54. if (tokens.length && tokens[tokens.length-1].type == "comment") {
  55. return indent;
  56. }
  57. var match = line.match(/^.*\{\s*$/);
  58. if (match) {
  59. indent += tab;
  60. }
  61. return indent;
  62. };
  63. this.checkOutdent = function(state, line, input) {
  64. return this.$outdent.checkOutdent(line, input);
  65. };
  66. this.autoOutdent = function(state, doc, row) {
  67. this.$outdent.autoOutdent(doc, row);
  68. };
  69. this.getCompletions = function(state, session, pos, prefix) {
  70. // CSS completions only work with single (not nested) rulesets
  71. return this.$completer.getCompletions("ruleset", session, pos, prefix);
  72. };
  73. this.$id = "ace/mode/less";
  74. }).call(Mode.prototype);
  75. exports.Mode = Mode;
  76. });