nextcloud/apps/files_texteditor/js/aceeditor/keybinding-emacs-uncompress...

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JavaScript
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/* ***** 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):
* 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('ace/keyboard/keybinding/emacs', ['require', 'exports', 'module' , 'ace/keyboard/state_handler'], function(require, exports, module) {
"use strict";
var StateHandler = require("../state_handler").StateHandler;
var matchCharacterOnly = require("../state_handler").matchCharacterOnly;
var emacsState = {
start: [
{
key: "ctrl-x",
then: "c-x"
},
{
regex: [ "(?:command-([0-9]*))*", "(down|ctrl-n)" ],
exec: "golinedown",
params: [
{
name: "times",
match: 1,
type: "number",
defaultValue: 1
}
]
},
{
regex: [ "(?:command-([0-9]*))*", "(right|ctrl-f)" ],
exec: "gotoright",
params: [
{
name: "times",
match: 1,
type: "number",
defaultValue: 1
}
]
},
{
regex: [ "(?:command-([0-9]*))*", "(up|ctrl-p)" ],
exec: "golineup",
params: [
{
name: "times",
match: 1,
type: "number",
defaultValue: 1
}
]
},
{
regex: [ "(?:command-([0-9]*))*", "(left|ctrl-b)" ],
exec: "gotoleft",
params: [
{
name: "times",
match: 1,
type: "number",
defaultValue: 1
}
]
},
{
comment: "This binding matches all printable characters except numbers as long as they are no numbers and print them n times.",
regex: [ "(?:command-([0-9]*))", "([^0-9]+)*" ],
match: matchCharacterOnly,
exec: "inserttext",
params: [
{
name: "times",
match: 1,
type: "number",
defaultValue: "1"
},
{
name: "text",
match: 2
}
]
},
{
comment: "This binding matches numbers as long as there is no meta_number in the buffer.",
regex: [ "(command-[0-9]*)*", "([0-9]+)" ],
match: matchCharacterOnly,
disallowMatches: [ 1 ],
exec: "inserttext",
params: [
{
name: "text",
match: 2,
type: "text"
}
]
},
{
regex: [ "command-([0-9]*)", "(command-[0-9]|[0-9])" ],
comment: "Stops execution if the regex /meta_[0-9]+/ matches to avoid resetting the buffer."
}
],
"c-x": [
{
key: "ctrl-g",
then: "start"
},
{
key: "ctrl-s",
exec: "save",
then: "start"
}
]
};
exports.Emacs = new StateHandler(emacsState);
});
/* ***** 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):
* 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('ace/keyboard/state_handler', ['require', 'exports', 'module' ], function(require, exports, module) {
"use strict";
// If you're developing a new keymapping and want to get an idea what's going
// on, then enable debugging.
var DEBUG = false;
function StateHandler(keymapping) {
this.keymapping = this.$buildKeymappingRegex(keymapping);
}
StateHandler.prototype = {
/**
* Build the RegExp from the keymapping as RegExp can't stored directly
* in the metadata JSON and as the RegExp used to match the keys/buffer
* need to be adapted.
*/
$buildKeymappingRegex: function(keymapping) {
for (var state in keymapping) {
this.$buildBindingsRegex(keymapping[state]);
}
return keymapping;
},
$buildBindingsRegex: function(bindings) {
// Escape a given Regex string.
bindings.forEach(function(binding) {
if (binding.key) {
binding.key = new RegExp('^' + binding.key + '$');
} else if (Array.isArray(binding.regex)) {
if (!('key' in binding))
binding.key = new RegExp('^' + binding.regex[1] + '$');
binding.regex = new RegExp(binding.regex.join('') + '$');
} else if (binding.regex) {
binding.regex = new RegExp(binding.regex + '$');
}
});
},
$composeBuffer: function(data, hashId, key, e) {
// Initialize the data object.
if (data.state == null || data.buffer == null) {
data.state = "start";
data.buffer = "";
}
var keyArray = [];
if (hashId & 1) keyArray.push("ctrl");
if (hashId & 8) keyArray.push("command");
if (hashId & 2) keyArray.push("option");
if (hashId & 4) keyArray.push("shift");
if (key) keyArray.push(key);
var symbolicName = keyArray.join("-");
var bufferToUse = data.buffer + symbolicName;
// Don't add the symbolic name to the key buffer if the alt_ key is
// part of the symbolic name. If it starts with alt_, this means
// that the user hit an alt keycombo and there will be a single,
// new character detected after this event, which then will be
// added to the buffer (e.g. alt_j will result in ∆).
//
// We test for 2 and not for & 2 as we only want to exclude the case where
// the option key is pressed alone.
if (hashId != 2) {
data.buffer = bufferToUse;
}
var bufferObj = {
bufferToUse: bufferToUse,
symbolicName: symbolicName,
};
if (e) {
bufferObj.keyIdentifier = e.keyIdentifier
}
return bufferObj;
},
$find: function(data, buffer, symbolicName, hashId, key, keyIdentifier) {
// Holds the command to execute and the args if a command matched.
var result = {};
// Loop over all the bindings of the keymap until a match is found.
this.keymapping[data.state].some(function(binding) {
var match;
// Check if the key matches.
if (binding.key && !binding.key.test(symbolicName)) {
return false;
}
// Check if the regex matches.
if (binding.regex && !(match = binding.regex.exec(buffer))) {
return false;
}
// Check if the match function matches.
if (binding.match && !binding.match(buffer, hashId, key, symbolicName, keyIdentifier)) {
return false;
}
// Check for disallowed matches.
if (binding.disallowMatches) {
for (var i = 0; i < binding.disallowMatches.length; i++) {
if (!!match[binding.disallowMatches[i]]) {
return false;
}
}
}
// If there is a command to execute, then figure out the
// command and the arguments.
if (binding.exec) {
result.command = binding.exec;
// Build the arguments.
if (binding.params) {
var value;
result.args = {};
binding.params.forEach(function(param) {
if (param.match != null && match != null) {
value = match[param.match] || param.defaultValue;
} else {
value = param.defaultValue;
}
if (param.type === 'number') {
value = parseInt(value);
}
result.args[param.name] = value;
});
}
data.buffer = "";
}
// Handle the 'then' property.
if (binding.then) {
data.state = binding.then;
data.buffer = "";
}
// If no command is set, then execute the "null" fake command.
if (result.command == null) {
result.command = "null";
}
if (DEBUG) {
console.log("KeyboardStateMapper#find", binding);
}
return true;
});
if (result.command) {
return result;
} else {
data.buffer = "";
return false;
}
},
/**
* This function is called by keyBinding.
*/
handleKeyboard: function(data, hashId, key, keyCode, e) {
// If we pressed any command key but no other key, then ignore the input.
// Otherwise "shift-" is added to the buffer, and later on "shift-g"
// which results in "shift-shift-g" which doesn't make sense.
if (hashId != 0 && (key == "" || key == String.fromCharCode(0))) {
return null;
}
// Compute the current value of the keyboard input buffer.
var r = this.$composeBuffer(data, hashId, key, e);
var buffer = r.bufferToUse;
var symbolicName = r.symbolicName;
var keyId = r.keyIdentifier;
r = this.$find(data, buffer, symbolicName, hashId, key, keyId);
if (DEBUG) {
console.log("KeyboardStateMapper#match", buffer, symbolicName, r);
}
return r;
}
}
/**
* This is a useful matching function and therefore is defined here so that
* users of KeyboardStateMapper can use it.
*
* @return boolean
* If no command key (Command|Option|Shift|Ctrl) is pressed, it
* returns true. If the only the Shift key is pressed + a character
* true is returned as well. Otherwise, false is returned.
* Summing up, the function returns true whenever the user typed
* a normal character on the keyboard and no shortcut.
*/
exports.matchCharacterOnly = function(buffer, hashId, key, symbolicName) {
// If no command keys are pressed, then catch the input.
if (hashId == 0) {
return true;
}
// If only the shift key is pressed and a character key, then
// catch that input as well.
else if ((hashId == 4) && key.length == 1) {
return true;
}
// Otherwise, we let the input got through.
else {
return false;
}
};
exports.StateHandler = StateHandler;
});
;
(function() {
window.require(["ace/ace"], function(a) {
if (!window.ace)
window.ace = {};
for (var key in a) if (a.hasOwnProperty(key))
ace[key] = a[key];
});
})();