xml.js 8.1 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 Behaviour = require("../behaviour").Behaviour;
  34. var TokenIterator = require("../../token_iterator").TokenIterator;
  35. var lang = require("../../lib/lang");
  36. function is(token, type) {
  37. return token.type.lastIndexOf(type + ".xml") > -1;
  38. }
  39. var XmlBehaviour = function () {
  40. this.add("string_dquotes", "insertion", function (state, action, editor, session, text) {
  41. if (text == '"' || text == "'") {
  42. var quote = text;
  43. var selected = session.doc.getTextRange(editor.getSelectionRange());
  44. if (selected !== "" && selected !== "'" && selected != '"' && editor.getWrapBehavioursEnabled()) {
  45. return {
  46. text: quote + selected + quote,
  47. selection: false
  48. };
  49. }
  50. var cursor = editor.getCursorPosition();
  51. var line = session.doc.getLine(cursor.row);
  52. var rightChar = line.substring(cursor.column, cursor.column + 1);
  53. var iterator = new TokenIterator(session, cursor.row, cursor.column);
  54. var token = iterator.getCurrentToken();
  55. if (rightChar == quote && (is(token, "attribute-value") || is(token, "string"))) {
  56. // Ignore input and move right one if we're typing over the closing quote.
  57. return {
  58. text: "",
  59. selection: [1, 1]
  60. };
  61. }
  62. if (!token)
  63. token = iterator.stepBackward();
  64. if (!token)
  65. return;
  66. while (is(token, "tag-whitespace") || is(token, "whitespace")) {
  67. token = iterator.stepBackward();
  68. }
  69. var rightSpace = !rightChar || rightChar.match(/\s/);
  70. if (is(token, "attribute-equals") && (rightSpace || rightChar == '>') || (is(token, "decl-attribute-equals") && (rightSpace || rightChar == '?'))) {
  71. return {
  72. text: quote + quote,
  73. selection: [1, 1]
  74. };
  75. }
  76. }
  77. });
  78. this.add("string_dquotes", "deletion", function(state, action, editor, session, range) {
  79. var selected = session.doc.getTextRange(range);
  80. if (!range.isMultiLine() && (selected == '"' || selected == "'")) {
  81. var line = session.doc.getLine(range.start.row);
  82. var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
  83. if (rightChar == selected) {
  84. range.end.column++;
  85. return range;
  86. }
  87. }
  88. });
  89. this.add("autoclosing", "insertion", function (state, action, editor, session, text) {
  90. if (text == '>') {
  91. var position = editor.getCursorPosition();
  92. var iterator = new TokenIterator(session, position.row, position.column);
  93. var token = iterator.getCurrentToken() || iterator.stepBackward();
  94. // exit if we're not in a tag
  95. if (!token || !(is(token, "tag-name") || is(token, "tag-whitespace") || is(token, "attribute-name") || is(token, "attribute-equals") || is(token, "attribute-value")))
  96. return;
  97. // exit if we're inside of a quoted attribute value
  98. if (is(token, "reference.attribute-value"))
  99. return;
  100. if (is(token, "attribute-value")) {
  101. var firstChar = token.value.charAt(0);
  102. if (firstChar == '"' || firstChar == "'") {
  103. var lastChar = token.value.charAt(token.value.length - 1);
  104. var tokenEnd = iterator.getCurrentTokenColumn() + token.value.length;
  105. if (tokenEnd > position.column || tokenEnd == position.column && firstChar != lastChar)
  106. return;
  107. }
  108. }
  109. // find tag name
  110. while (!is(token, "tag-name")) {
  111. token = iterator.stepBackward();
  112. }
  113. var tokenRow = iterator.getCurrentTokenRow();
  114. var tokenColumn = iterator.getCurrentTokenColumn();
  115. // exit if the tag is ending
  116. if (is(iterator.stepBackward(), "end-tag-open"))
  117. return;
  118. var element = token.value;
  119. if (tokenRow == position.row)
  120. element = element.substring(0, position.column - tokenColumn);
  121. if (this.voidElements.hasOwnProperty(element.toLowerCase()))
  122. return;
  123. return {
  124. text: ">" + "</" + element + ">",
  125. selection: [1, 1]
  126. };
  127. }
  128. });
  129. this.add("autoindent", "insertion", function (state, action, editor, session, text) {
  130. if (text == "\n") {
  131. var cursor = editor.getCursorPosition();
  132. var line = session.getLine(cursor.row);
  133. var iterator = new TokenIterator(session, cursor.row, cursor.column);
  134. var token = iterator.getCurrentToken();
  135. if (token && token.type.indexOf("tag-close") !== -1) {
  136. if (token.value == "/>")
  137. return;
  138. //get tag name
  139. while (token && token.type.indexOf("tag-name") === -1) {
  140. token = iterator.stepBackward();
  141. }
  142. if (!token) {
  143. return;
  144. }
  145. var tag = token.value;
  146. var row = iterator.getCurrentTokenRow();
  147. //don't indent after closing tag
  148. token = iterator.stepBackward();
  149. if (!token || token.type.indexOf("end-tag") !== -1) {
  150. return;
  151. }
  152. if (this.voidElements && !this.voidElements[tag]) {
  153. var nextToken = session.getTokenAt(cursor.row, cursor.column+1);
  154. var line = session.getLine(row);
  155. var nextIndent = this.$getIndent(line);
  156. var indent = nextIndent + session.getTabString();
  157. if (nextToken && nextToken.value === "</") {
  158. return {
  159. text: "\n" + indent + "\n" + nextIndent,
  160. selection: [1, indent.length, 1, indent.length]
  161. };
  162. } else {
  163. return {
  164. text: "\n" + indent
  165. };
  166. }
  167. }
  168. }
  169. }
  170. });
  171. };
  172. oop.inherits(XmlBehaviour, Behaviour);
  173. exports.XmlBehaviour = XmlBehaviour;
  174. });