diff.js 2.8 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 BaseFoldMode = require("./fold_mode").FoldMode;
  34. var Range = require("../../range").Range;
  35. var FoldMode = exports.FoldMode = function(levels, flag) {
  36. this.regExpList = levels;
  37. this.flag = flag;
  38. this.foldingStartMarker = RegExp("^(" + levels.join("|") + ")", this.flag);
  39. };
  40. oop.inherits(FoldMode, BaseFoldMode);
  41. (function() {
  42. this.getFoldWidgetRange = function(session, foldStyle, row) {
  43. var line = session.getLine(row);
  44. var start = {row: row, column: line.length};
  45. var regList = this.regExpList;
  46. for (var i = 1; i <= regList.length; i++) {
  47. var re = RegExp("^(" + regList.slice(0, i).join("|") + ")", this.flag);
  48. if (re.test(line))
  49. break;
  50. }
  51. for (var l = session.getLength(); ++row < l; ) {
  52. line = session.getLine(row);
  53. if (re.test(line))
  54. break;
  55. }
  56. if (row == start.row + 1)
  57. return;
  58. return Range.fromPoints(start, {row: row - 1, column: line.length});
  59. };
  60. }).call(FoldMode.prototype);
  61. });