asciidoc.js 5.5 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142
  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() {};
  36. oop.inherits(FoldMode, BaseFoldMode);
  37. (function() {
  38. this.foldingStartMarker = /^(?:\|={10,}|[\.\/=\-~^+]{4,}\s*$|={1,5} )/;
  39. this.singleLineHeadingRe = /^={1,5}(?=\s+\S)/;
  40. this.getFoldWidget = function(session, foldStyle, row) {
  41. var line = session.getLine(row);
  42. if (!this.foldingStartMarker.test(line))
  43. return ""
  44. if (line[0] == "=") {
  45. if (this.singleLineHeadingRe.test(line))
  46. return "start";
  47. if (session.getLine(row - 1).length != session.getLine(row).length)
  48. return "";
  49. return "start";
  50. }
  51. if (session.bgTokenizer.getState(row) == "dissallowDelimitedBlock")
  52. return "end";
  53. return "start";
  54. };
  55. this.getFoldWidgetRange = function(session, foldStyle, row) {
  56. var line = session.getLine(row);
  57. var startColumn = line.length;
  58. var maxRow = session.getLength();
  59. var startRow = row;
  60. var endRow = row;
  61. if (!line.match(this.foldingStartMarker))
  62. return;
  63. var token;
  64. function getTokenType(row) {
  65. token = session.getTokens(row)[0];
  66. return token && token.type;
  67. }
  68. var levels = ["=","-","~","^","+"];
  69. var heading = "markup.heading";
  70. var singleLineHeadingRe = this.singleLineHeadingRe;
  71. function getLevel() {
  72. var match = token.value.match(singleLineHeadingRe);
  73. if (match)
  74. return match[0].length;
  75. var level = levels.indexOf(token.value[0]) + 1;
  76. if (level == 1) {
  77. if (session.getLine(row - 1).length != session.getLine(row).length)
  78. return Infinity;
  79. }
  80. return level;
  81. }
  82. if (getTokenType(row) == heading) {
  83. var startHeadingLevel = getLevel();
  84. while (++row < maxRow) {
  85. if (getTokenType(row) != heading)
  86. continue;
  87. var level = getLevel();
  88. if (level <= startHeadingLevel)
  89. break;
  90. }
  91. var isSingleLineHeading = token && token.value.match(this.singleLineHeadingRe);
  92. endRow = isSingleLineHeading ? row - 1 : row - 2;
  93. if (endRow > startRow) {
  94. while (endRow > startRow && (!getTokenType(endRow) || token.value[0] == "["))
  95. endRow--;
  96. }
  97. if (endRow > startRow) {
  98. var endColumn = session.getLine(endRow).length;
  99. return new Range(startRow, startColumn, endRow, endColumn);
  100. }
  101. } else {
  102. var state = session.bgTokenizer.getState(row);
  103. if (state == "dissallowDelimitedBlock") {
  104. while (row -- > 0) {
  105. if (session.bgTokenizer.getState(row).lastIndexOf("Block") == -1)
  106. break;
  107. }
  108. endRow = row + 1;
  109. if (endRow < startRow) {
  110. var endColumn = session.getLine(row).length;
  111. return new Range(endRow, 5, startRow, startColumn - 5);
  112. }
  113. } else {
  114. while (++row < maxRow) {
  115. if (session.bgTokenizer.getState(row) == "dissallowDelimitedBlock")
  116. break;
  117. }
  118. endRow = row;
  119. if (endRow > startRow) {
  120. var endColumn = session.getLine(row).length;
  121. return new Range(startRow, 5, endRow, endColumn - 5);
  122. }
  123. }
  124. }
  125. };
  126. }).call(FoldMode.prototype);
  127. });