new mode for PostgreSQL - pgsql

lib/ace/mode/pgsql.js

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+/* ***** BEGIN LICENSE BLOCK *****
+* The Original Code is Ajax.org Code Editor (ACE).
+*
+* Contributor(s):
+*      Jonathan Camile <jonathan.camile AT gmail DOT com>
+*
+* Alternatively, the contents of this file may be used under the terms of
+* either the GNU General Public License Version 2 or later (the "GPL"), or
+* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+* in which case the provisions of the GPL or the LGPL are applicable instead
+* of those above. If you wish to allow use of your version of this file only
+* under the terms of either the GPL or the LGPL, and not to allow others to
+* use your version of this file under the terms of the MPL, indicate your
+* decision by deleting the provisions above and replace them with the notice
+* and other provisions required by the GPL or the LGPL. If you do not delete
+* the provisions above, a recipient may use your version of this file under
+* the terms of any one of the MPL, the GPL or the LGPL.
+*
+* ***** END LICENSE BLOCK ***** */
+
+define(function(require, exports, module) {
+
+    var oop = require("ace/lib/oop");
+    var TextMode = require("ace/mode/text").Mode;
+    var Tokenizer = require("ace/tokenizer").Tokenizer;
+    var PgsqlHighlightRules = require("ace/mode/pgsql_highlight_rules").PgsqlHighlightRules;
+    var Range = require("ace/range").Range;
+    // var EditSession = require("ace/edit_session").EditSession;
+
+    var Mode = function() {
+        this.$tokenizer = new Tokenizer(new PgsqlHighlightRules().getRules());
+    };
+    oop.inherits(Mode, TextMode);
+
+    (function() {
+
+        this.toggleCommentLines = function(state, doc, startRow, endRow) {
+            var outdent = true;
+            // var outentedRows = [];
+            var re = /^(\s*)--/;
+
+            for (var i=startRow; i<= endRow; i++) {
+                if (!re.test(doc.getLine(i))) {
+                    outdent = false;
+                    break;
+                }
+            }
+
+            if (outdent) {
+                var deleteRange = new Range(0, 0, 0, 0);
+                for (var i=startRow; i<= endRow; i++)
+                {
+                    var line = doc.getLine(i);
+                    var m = line.match(re);
+                    deleteRange.start.row = i;
+                    deleteRange.end.row = i;
+                    deleteRange.end.column = m[0].length;
+                    doc.replace(deleteRange, m[1]);
+                }
+            }
+            else {
+                doc.indentRows(startRow, endRow, "--");
+            }
+        };
+
+
+        this.getNextLineIndent = function(state, line, tab) { 
+            if (state == "start" || state == "keyword.statementEnd") {
+                return "";
+            } else {
+                return this.$getIndent(line); // Keep whatever indent the previous line has
+            }
+        }
+
+    }).call(Mode.prototype);
+
+    exports.Mode = Mode;
+});