logiql.js 5.2 KB

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  1. /* ***** BEGIN LICENSE BLOCK *****
  2. * Distributed under the BSD license:
  3. *
  4. * Copyright (c) 2012, 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 LogiQLHighlightRules = require("./logiql_highlight_rules").LogiQLHighlightRules;
  35. var FoldMode = require("./folding/coffee").FoldMode;
  36. var TokenIterator = require("../token_iterator").TokenIterator;
  37. var Range = require("../range").Range;
  38. var CstyleBehaviour = require("./behaviour/cstyle").CstyleBehaviour;
  39. var MatchingBraceOutdent = require("./matching_brace_outdent").MatchingBraceOutdent;
  40. var Mode = function() {
  41. this.HighlightRules = LogiQLHighlightRules;
  42. this.foldingRules = new FoldMode();
  43. this.$outdent = new MatchingBraceOutdent();
  44. this.$behaviour = new CstyleBehaviour();
  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.$getIndent(line);
  52. var tokenizedLine = this.getTokenizer().getLineTokens(line, state);
  53. var tokens = tokenizedLine.tokens;
  54. var endState = tokenizedLine.state;
  55. if (/comment|string/.test(endState))
  56. return indent;
  57. if (tokens.length && tokens[tokens.length - 1].type == "comment.single")
  58. return indent;
  59. var match = line.match();
  60. if (/(-->|<--|<-|->|{)\s*$/.test(line))
  61. indent += tab;
  62. return indent;
  63. };
  64. this.checkOutdent = function(state, line, input) {
  65. if (this.$outdent.checkOutdent(line, input))
  66. return true;
  67. if (input !== "\n" && input !== "\r\n")
  68. return false;
  69. if (!/^\s+/.test(line))
  70. return false;
  71. return true;
  72. };
  73. this.autoOutdent = function(state, doc, row) {
  74. if (this.$outdent.autoOutdent(doc, row))
  75. return;
  76. var prevLine = doc.getLine(row);
  77. var match = prevLine.match(/^\s+/);
  78. var column = prevLine.lastIndexOf(".") + 1;
  79. if (!match || !row || !column) return 0;
  80. var line = doc.getLine(row + 1);
  81. var startRange = this.getMatching(doc, {row: row, column: column});
  82. if (!startRange || startRange.start.row == row) return 0;
  83. column = match[0].length;
  84. var indent = this.$getIndent(doc.getLine(startRange.start.row));
  85. doc.replace(new Range(row + 1, 0, row + 1, column), indent);
  86. };
  87. this.getMatching = function(session, row, column) {
  88. if (row == undefined)
  89. row = session.selection.lead
  90. if (typeof row == "object") {
  91. column = row.column;
  92. row = row.row;
  93. }
  94. var startToken = session.getTokenAt(row, column);
  95. var KW_START = "keyword.start", KW_END = "keyword.end";
  96. var tok;
  97. if (!startToken)
  98. return;
  99. if (startToken.type == KW_START) {
  100. var it = new TokenIterator(session, row, column);
  101. it.step = it.stepForward;
  102. } else if (startToken.type == KW_END) {
  103. var it = new TokenIterator(session, row, column);
  104. it.step = it.stepBackward;
  105. } else
  106. return;
  107. while (tok = it.step()) {
  108. if (tok.type == KW_START || tok.type == KW_END)
  109. break;
  110. }
  111. if (!tok || tok.type == startToken.type)
  112. return;
  113. var col = it.getCurrentTokenColumn();
  114. var row = it.getCurrentTokenRow();
  115. return new Range(row, col, row, col + tok.value.length);
  116. };
  117. this.$id = "ace/mode/logiql";
  118. }).call(Mode.prototype);
  119. exports.Mode = Mode;
  120. });