overleaf/services/web/public/js/ace/config.js
2014-02-12 10:23:40 +00:00

295 lines
9.2 KiB
JavaScript
Executable file

/* ***** 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) {
"no use strict";
var lang = require("./lib/lang");
var oop = require("./lib/oop");
var net = require("./lib/net");
var EventEmitter = require("./lib/event_emitter").EventEmitter;
var global = (function() {
return this;
})();
var options = {
packaged: false,
workerPath: null,
modePath: null,
themePath: null,
basePath: "",
suffix: ".js",
$moduleUrls: {}
};
exports.get = function(key) {
if (!options.hasOwnProperty(key))
throw new Error("Unknown config key: " + key);
return options[key];
};
exports.set = function(key, value) {
if (!options.hasOwnProperty(key))
throw new Error("Unknown config key: " + key);
options[key] = value;
};
exports.all = function() {
return lang.copyObject(options);
};
// module loading
oop.implement(exports, EventEmitter);
exports.moduleUrl = function(name, component) {
if (options.$moduleUrls[name])
return options.$moduleUrls[name];
var parts = name.split("/");
component = component || parts[parts.length - 2] || "";
// todo make this configurable or get rid of '-'
var sep = component == "snippets" ? "/" : "-";
var base = parts[parts.length - 1];
if (sep == "-") {
var re = new RegExp("^" + component + "[\\-_]|[\\-_]" + component + "$", "g");
base = base.replace(re, "");
}
if ((!base || base == component) && parts.length > 1)
base = parts[parts.length - 2];
var path = options[component + "Path"];
if (path == null) {
path = options.basePath;
} else if (sep == "/") {
component = sep = "";
}
if (path && path.slice(-1) != "/")
path += "/";
return path + component + sep + base + this.get("suffix");
};
exports.setModuleUrl = function(name, subst) {
return options.$moduleUrls[name] = subst;
};
exports.$loading = {};
exports.loadModule = function(moduleName, onLoad) {
var module, moduleType;
if (Array.isArray(moduleName)) {
moduleType = moduleName[0];
moduleName = moduleName[1];
}
try {
module = require(moduleName);
} catch (e) {}
// require(moduleName) can return empty object if called after require([moduleName], callback)
if (module && !exports.$loading[moduleName])
return onLoad && onLoad(module);
if (!exports.$loading[moduleName])
exports.$loading[moduleName] = [];
exports.$loading[moduleName].push(onLoad);
if (exports.$loading[moduleName].length > 1)
return;
var afterLoad = function() {
require([moduleName], function(module) {
exports._emit("load.module", {name: moduleName, module: module});
var listeners = exports.$loading[moduleName];
exports.$loading[moduleName] = null;
listeners.forEach(function(onLoad) {
onLoad && onLoad(module);
});
});
};
if (!exports.get("packaged"))
return afterLoad();
net.loadScript(exports.moduleUrl(moduleName, moduleType), afterLoad);
};
// initialization
exports.init = function() {
options.packaged = require.packaged || module.packaged || (global.define && define.packaged);
if (!global.document)
return "";
var scriptOptions = {};
var scriptUrl = "";
var scripts = document.getElementsByTagName("script");
for (var i=0; i<scripts.length; i++) {
var script = scripts[i];
var src = script.src || script.getAttribute("src");
if (!src)
continue;
var attributes = script.attributes;
for (var j=0, l=attributes.length; j < l; j++) {
var attr = attributes[j];
if (attr.name.indexOf("data-ace-") === 0) {
scriptOptions[deHyphenate(attr.name.replace(/^data-ace-/, ""))] = attr.value;
}
}
var m = src.match(/^(.*)\/ace(\-\w+)?\.js(\?|$)/);
if (m)
scriptUrl = m[1];
}
if (scriptUrl) {
scriptOptions.base = scriptOptions.base || scriptUrl;
scriptOptions.packaged = true;
}
scriptOptions.basePath = scriptOptions.base;
scriptOptions.workerPath = scriptOptions.workerPath || scriptOptions.base;
scriptOptions.modePath = scriptOptions.modePath || scriptOptions.base;
scriptOptions.themePath = scriptOptions.themePath || scriptOptions.base;
delete scriptOptions.base;
for (var key in scriptOptions)
if (typeof scriptOptions[key] !== "undefined")
exports.set(key, scriptOptions[key]);
};
function deHyphenate(str) {
return str.replace(/-(.)/g, function(m, m1) { return m1.toUpperCase(); });
}
var optionsProvider = {
setOptions: function(optList) {
Object.keys(optList).forEach(function(key) {
this.setOption(key, optList[key]);
}, this);
},
getOptions: function(optionNames) {
var result = {};
if (!optionNames) {
optionNames = Object.keys(this.$options);
} else if (!Array.isArray(optionNames)) {
result = optionNames;
optionNames = Object.keys(result);
}
optionNames.forEach(function(key) {
result[key] = this.getOption(key);
}, this);
return result;
},
setOption: function(name, value) {
if (this["$" + name] === value)
return;
var opt = this.$options[name];
if (!opt) {
if (typeof console != "undefined" && console.warn)
console.warn('misspelled option "' + name + '"');
return undefined;
}
if (opt.forwardTo)
return this[opt.forwardTo] && this[opt.forwardTo].setOption(name, value);
if (!opt.handlesSet)
this["$" + name] = value;
if (opt && opt.set)
opt.set.call(this, value);
},
getOption: function(name) {
var opt = this.$options[name];
if (!opt) {
if (typeof console != "undefined" && console.warn)
console.warn('misspelled option "' + name + '"');
return undefined;
}
if (opt.forwardTo)
return this[opt.forwardTo] && this[opt.forwardTo].getOption(name);
return opt && opt.get ? opt.get.call(this) : this["$" + name];
}
};
var defaultOptions = {};
/*
* option {name, value, initialValue, setterName, set, get }
*/
exports.defineOptions = function(obj, path, options) {
if (!obj.$options)
defaultOptions[path] = obj.$options = {};
Object.keys(options).forEach(function(key) {
var opt = options[key];
if (typeof opt == "string")
opt = {forwardTo: opt};
opt.name || (opt.name = key);
obj.$options[opt.name] = opt;
if ("initialValue" in opt)
obj["$" + opt.name] = opt.initialValue;
});
// implement option provider interface
oop.implement(obj, optionsProvider);
return this;
};
exports.resetOptions = function(obj) {
Object.keys(obj.$options).forEach(function(key) {
var opt = obj.$options[key];
if ("value" in opt)
obj.setOption(key, opt.value);
});
};
exports.setDefaultValue = function(path, name, value) {
var opts = defaultOptions[path] || (defaultOptions[path] = {});
if (opts[name]) {
if (opts.forwardTo)
exports.setDefaultValue(opts.forwardTo, name, value);
else
opts[name].value = value;
}
};
exports.setDefaultValues = function(path, optionHash) {
Object.keys(optionHash).forEach(function(key) {
exports.setDefaultValue(path, key, optionHash[key]);
});
};
});