text: /* ***** BEGIN LICENSE BLOCK *****
   * Distributed under the BSD license:
   *
   * Copyright (c) 2010, Ajax.org B.V.
   * All rights reserved.
   * 
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *     * Redistributions of source code must retain the above copyright
   *       notice, this list of conditions and the following disclaimer.
   *     * Redistributions in binary form must reproduce the above copyright
   *       notice, this list of conditions and the following disclaimer in the
   *       documentation and/or other materials provided with the distribution.
   *     * Neither the name of Ajax.org B.V. nor the
   *       names of its contributors may be used to endorse or promote products
   *       derived from this software without specific prior written permission.
   * 
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
   * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   * ***** END LICENSE BLOCK ***** */
  
  define(function(require, exports, module) {
  "use strict";
  
  var oop = require("../lib/oop");
  var TextMode = require("./text").Mode;
  var Tokenizer = require("../tokenizer").Tokenizer;
  var ShHighlightRules = require("./sh_highlight_rules").ShHighlightRules;
  var Range = require("../range").Range;
  
  var Mode = function() {
      this.$tokenizer = new Tokenizer(new ShHighlightRules().getRules());
  };
  oop.inherits(Mode, TextMode);
  
  (function() {
  
      this.toggleCommentLines = function(state, doc, startRow, endRow) {
          var outdent = true;
          var re = /^(\s*)#/;
  
          for (var i=startRow; i<= endRow; i++) {
              if (!re.test(doc.getLine(i))) {
                  outdent = false;
                  break;
              }
          }
  
          if (outdent) {
              var deleteRange = new Range(0, 0, 0, 0);
              for (var i=startRow; i<= endRow; i++)
              {
                  var line = doc.getLine(i);
                  var m = line.match(re);
                  deleteRange.start.row = i;
                  deleteRange.end.row = i;
                  deleteRange.end.column = m[0].length;
                  doc.replace(deleteRange, m[1]);
              }
          }
          else {
              doc.indentRows(startRow, endRow, "#");
          }
      };
  
      this.getNextLineIndent = function(state, line, tab) {
          var indent = this.$getIndent(line);
  
          var tokenizedLine = this.$tokenizer.getLineTokens(line, state);
          var tokens = tokenizedLine.tokens;
  
          if (tokens.length && tokens[tokens.length-1].type == "comment") {
              return indent;
          }
  
          if (state == "start") {
              var match = line.match(/^.*[\{\(\[\:]\s*$/);
              if (match) {
                  indent += tab;
              }
          }
  
          return indent;
      };
  
      var outdents = {
          "pass": 1,
          "return": 1,
          "raise": 1,
          "break": 1,
          "continue": 1
      };
  
      this.checkOutdent = function(state, line, input) {
          if (input !== "\r\n" && input !== "\r" && input !== "\n")
              return false;
  
          var tokens = this.$tokenizer.getLineTokens(line.trim(), state).tokens;
  
          if (!tokens)
              return false;
  
          // ignore trailing comments
          do {
              var last = tokens.pop();
          } while (last && (last.type == "comment" || (last.type == "text" && last.value.match(/^\s+$/))));
  
          if (!last)
              return false;
  
          return (last.type == "keyword" && outdents[last.value]);
      };
  
      this.autoOutdent = function(state, doc, row) {
          // outdenting in sh is slightly different because it always applies
          // to the next line and only of a new line is inserted
  
          row += 1;
          var indent = this.$getIndent(doc.getLine(row));
          var tab = doc.getTabString();
          if (indent.slice(-tab.length) == tab)
              doc.remove(new Range(row, indent.length-tab.length, row, indent.length));
      };
  
  }).call(Mode.prototype);
  
  exports.Mode = Mode;
  });
  