matching_parens_outdent.js 2.7 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 Range = require("../range").Range;
  33. var MatchingParensOutdent = function() {};
  34. (function() {
  35. this.checkOutdent = function(line, input) {
  36. if (! /^\s+$/.test(line))
  37. return false;
  38. return /^\s*\)/.test(input);
  39. };
  40. this.autoOutdent = function(doc, row) {
  41. var line = doc.getLine(row);
  42. var match = line.match(/^(\s*\))/);
  43. if (!match) return 0;
  44. var column = match[1].length;
  45. var openBracePos = doc.findMatchingBracket({row: row, column: column});
  46. if (!openBracePos || openBracePos.row == row) return 0;
  47. var indent = this.$getIndent(doc.getLine(openBracePos.row));
  48. doc.replace(new Range(row, 0, row, column-1), indent);
  49. };
  50. this.$getIndent = function(line) {
  51. var match = line.match(/^(\s+)/);
  52. if (match) {
  53. return match[1];
  54. }
  55. return "";
  56. };
  57. }).call(MatchingParensOutdent.prototype);
  58. exports.MatchingParensOutdent = MatchingParensOutdent;
  59. });