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atom/vendor/ace/keyboard/hash_handler.js

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JavaScript

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Skywriter.
*
* The Initial Developer of the Original Code is
* Mozilla.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Fabian Jakobs <fabian AT ajax DOT org>
* Julian Viereck (julian.viereck@gmail.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) {
"use strict";
var keyUtil = require("../lib/keys");
function HashHandler(config) {
this.setConfig(config);
}
(function() {
function splitSafe(s, separator, limit, bLowerCase) {
return (bLowerCase && s.toLowerCase() || s)
.replace(/(?:^\s+|\n|\s+$)/g, "")
.split(new RegExp("[\\s ]*" + separator + "[\\s ]*", "g"), limit || 999);
}
function parseKeys(keys, val, ret) {
var key,
hashId = 0,
parts = splitSafe(keys, "\\-", null, true),
i = 0,
l = parts.length;
for (; i < l; ++i) {
if (keyUtil.KEY_MODS[parts[i]])
hashId = hashId | keyUtil.KEY_MODS[parts[i]];
else
key = parts[i] || "-"; //when empty, the splitSafe removed a '-'
}
(ret[hashId] || (ret[hashId] = {}))[key] = val;
return ret;
}
function objectReverse(obj, keySplit) {
var i, j, l, key,
ret = {};
for (i in obj) {
key = obj[i];
if (keySplit && typeof key == "string") {
key = key.split(keySplit);
for (j = 0, l = key.length; j < l; ++j)
parseKeys.call(this, key[j], i, ret);
}
else {
parseKeys.call(this, key, i, ret);
}
}
return ret;
}
this.setConfig = function(config) {
this.$config = config;
if (typeof this.$config.reverse == "undefined")
this.$config.reverse = objectReverse.call(this, this.$config, "|");
};
/**
* This function is called by keyBinding.
*/
this.handleKeyboard = function(data, hashId, textOrKey, keyCode) {
// Figure out if a commandKey was pressed or just some text was insert.
if (hashId != 0 || keyCode != 0) {
return {
command: (this.$config.reverse[hashId] || {})[textOrKey]
}
} else {
return {
command: "inserttext",
args: {
text: textOrKey
}
}
}
}
}).call(HashHandler.prototype)
exports.HashHandler = HashHandler;
});