Cydia.app/menes/menes.js

   1 /* XXX: this message is ultra-lame */
   2 var _assert = function (expr, value) {
   3     if (!expr) {
   4         var message = "_assert(" + value + ")";
   5         console.log(message);
   6         throw message;
   7     }
   8 }
   9
  10 // Compatibility {{{
  11 if (typeof Array.prototype.push != "function")
  12     Array.prototype.push = function (value) {
  13         this[this.length] = value;
  14     };
  15 // }}}
  16
  17 var $ = function (arg, doc) {
  18     if (this.magic_ != $.prototype.magic_)
  19         return new $(arg);
  20
  21     if (arg == null)
  22         arg = [];
  23
  24     var type = $.type(arg);
  25
  26     if (type == "function")
  27         $.ready(arg);
  28     else if (type == "string") {
  29         if (typeof doc == 'undefined')
  30             doc = document;
  31         if (arg.charAt(0) == '#') {
  32             /* XXX: this is somewhat incorrect-a-porter */
  33             var element = doc.getElementById(arg.substring(1));
  34             return $(element == null ? [] : [element]);
  35         } else if (arg.charAt(0) == '.')
  36             return $(doc.getElementsByClassName(arg.substring(1)));
  37         else
  38             return $([doc]).descendants(arg);
  39     } else if (typeof arg.length != 'undefined') {
  40         _assert(typeof doc == 'undefined', "non-query with document to $");
  41         this.set(arg);
  42         return this;
  43     } else _assert(false, "unknown argument to $: " + typeof arg);
  44 };
  45
  46 $.xml = function (value) {
  47     return value
  48         .replace(/&/, "&amp;")
  49         .replace(/</, "&lt;")
  50         .replace(/>/, "&gt;")
  51         .replace(/"/, "&quot;")
  52         .replace(/'/, "&apos;")
  53     ;
  54 }
  55
  56 $.type = function (value) {
  57     var type = typeof value;
  58
  59     if ((type == "function" || type == "object") && value.toString != null) {
  60         var string = value.toString();
  61         if (string.substring(0, 8) == "[object ")
  62             return string.substring(8, string.length - 1);
  63     }
  64
  65     return type;
  66 };
  67
  68 (function () {
  69     var ready_ = null;
  70
  71     $.ready = function (_function) {
  72         if (ready_ == null) {
  73             ready_ = [];
  74
  75             document.addEventListener("DOMContentLoaded", function () {
  76                 for (var i = 0; i != ready_.length; ++i)
  77                     ready_[i]();
  78             }, false);
  79         }
  80
  81         ready_.push(_function);
  82     };
  83 })();
  84
  85 /* XXX: verify arg3 overflow */
  86 $.each = function (values, _function, arg0, arg1, arg2) {
  87     for (var i = 0, e = values.length; i != e; ++i)
  88         _function(values[i], arg0, arg1, arg2);
  89 };
  90
  91 /* XXX: verify arg3 overflow */
  92 $.map = function (values, _function, arg0, arg1, arg2) {
  93     var mapped = [];
  94     for (var i = 0, e = values.length; i != e; ++i)
  95         mapped.push(_function(values[i], arg0, arg1, arg2));
  96     return mapped;
  97 };
  98
  99 $.array = function (values) {
 100     if (values.constructor == Array)
 101         return values;
 102     _assert(typeof values.length != 'undefined', "$.array on underlying non-array");
 103     var array = [];
 104     for (var i = 0; i != values.length; ++i)
 105         array.push(values[i]);
 106     return array;
 107 };
 108
 109 $.document = function (node) {
 110     for (;;) {
 111         var parent = node.parentNode;
 112         if (parent == null)
 113             return node;
 114         node = parent;
 115     }
 116 };
 117
 118 $.reclass = function (_class) {
 119     return new RegExp('(\\s|^)' + _class + '(\\s|$)');
 120 };
 121
 122 $.prototype = {
 123     magic_: 2041085062,
 124
 125     add: function (nodes) {
 126         Array.prototype.push.apply(this, $.array(nodes));
 127     },
 128
 129     at: function (name, value) {
 130         if (typeof value == 'undefined')
 131             return $.map(this, function (node) {
 132                 return node.getAttribute(name);
 133             });
 134         else if (value == null)
 135             $.each(this, function (node) {
 136                 node.removeAttribute();
 137             });
 138         else
 139             $.each(this, function (node) {
 140                 node.setAttribute(name, value);
 141             });
 142     },
 143
 144     set: function (nodes) {
 145         this.length = 0;
 146         this.add(nodes);
 147     },
 148
 149     /* XXX: verify arg3 overflow */
 150     each: function (_function, arg0, arg1, arg2) {
 151         $.each(this, function (node) {
 152             _function($([node]), arg0, arg1, arg2);
 153         });
 154     },
 155
 156     css: function (name, value) {
 157         $.each(this, function (node) {
 158             node.style[name] = value;
 159         });
 160     },
 161
 162     addClass: function (_class) {
 163         $.each(this, function (node) {
 164             if (!$([node]).hasClass(_class)[0])
 165                 node.className += " " + _class;
 166         });
 167     },
 168
 169     blur: function () {
 170         $.each(this, function (node) {
 171             node.blur();
 172         });
 173     },
 174
 175     focus: function () {
 176         $.each(this, function (node) {
 177             node.focus();
 178         });
 179     },
 180
 181     removeClass: function (_class) {
 182         $.each(this, function (node) {
 183             node.className = node.className.replace($.reclass(_class), ' ');
 184         });
 185     },
 186
 187     hasClass: function (_class) {
 188         return $.map(this, function (node) {
 189             return node.className.match($.reclass(_class));
 190         });
 191     },
 192
 193     append: function (children) {
 194         if ($.type(children) == "string")
 195             $.each(this, function (node) {
 196                 var doc = $.document(node);
 197
 198                 // XXX: implement wrapper system
 199                 var div = doc.createElement("div");
 200                 div.innerHTML = children;
 201
 202                 while (div.childNodes.length != 0) {
 203                     var child = div.childNodes[0];
 204                     node.appendChild(child);
 205                 }
 206             });
 207         else
 208             $.each(this, function (node) {
 209                 $.each(children, function (child) {
 210                     node.appendChild(child);
 211                 });
 212             });
 213     },
 214
 215     xpath: function (expression) {
 216         var value = $([]);
 217
 218         $.each(this, function (node) {
 219             var doc = $.document(node);
 220             var results = doc.evaluate(expression, node, null, XPathResult.ANY_TYPE, null);
 221             var result;
 222             while (result = results.iterateNext())
 223                 value.add([result]);
 224         });
 225
 226         return value;
 227     },
 228
 229     clone: function (deep) {
 230         return $($.map(this, function (node) {
 231             return node.cloneNode(deep);
 232         }));
 233     },
 234
 235     descendants: function (expression) {
 236         var descendants = $([]);
 237
 238         $.each(this, function (node) {
 239             var nodes = node.getElementsByTagName(expression);
 240             descendants.add(nodes);
 241         });
 242
 243         return descendants;
 244     },
 245
 246     remove: function () {
 247         $.each(this, function (node) {
 248             node.parentNode.removeChild(node);
 249         });
 250     }
 251 };
 252
 253 $.scroll = function (x, y) {
 254     window.scrollTo(x, y);
 255 };
 256
 257 // XXX: document.all?
 258 $.all = function (doc) {
 259     if (typeof doc == 'undefined')
 260         doc = document;
 261     return $(doc.getElementsByTagName("*"));
 262 };
 263
 264 $.inject = function (a, b) {
 265     if ($.type(a) == "string") {
 266         $.prototype[a] = function (value) {
 267             if (typeof value == 'undefined')
 268                 return $.map(this, function (node) {
 269                     return b.get(node);
 270                 });
 271             else
 272                 $.each(this, function (node, value) {
 273                     b.set(node, value);
 274                 }, value);
 275         };
 276     } else for (var name in a)
 277         $.inject(name, a[name]);
 278 };
 279
 280 $.inject({
 281     _default: {
 282         get: function (node) {
 283             return node.style.defaultValue;
 284         },
 285         set: function (node, value) {
 286             node.style.defaultValue = value;
 287         }
 288     },
 289
 290     display: {
 291         get: function (node) {
 292             return node.style.display;
 293         },
 294         set: function (node, value) {
 295             node.style.display = value;
 296         }
 297     },
 298
 299     html: {
 300         get: function (node) {
 301             return node.innerHTML;
 302         },
 303         set: function (node, value) {
 304             node.innerHTML = value;
 305         }
 306     },
 307
 308     href: {
 309         get: function (node) {
 310             return node.href;
 311         },
 312         set: function (node, value) {
 313             node.href = value;
 314         }
 315     },
 316
 317     name: {
 318         get: function (node) {
 319             return node.name;
 320         },
 321         set: function (node, value) {
 322             node.name = value;
 323         }
 324     },
 325
 326     parent: {
 327         get: function (node) {
 328             return node.parentNode;
 329         }
 330     },
 331
 332     src: {
 333         get: function (node) {
 334             return node.src;
 335         },
 336         set: function (node, value) {
 337             node.src = value;
 338         }
 339     },
 340
 341     type: {
 342         get: function (node) {
 343             return node.localName;
 344         }
 345     },
 346
 347     value: {
 348         get: function (node) {
 349             return node.value;
 350         },
 351         set: function (node, value) {
 352             // XXX: do I really need this?
 353             if (true || node.localName != "select")
 354                 node.value = value;
 355             else {
 356                 var options = node.options;
 357                 for (var i = 0, e = options.length; i != e; ++i)
 358                     if (options[i].value == value) {
 359                         if (node.selectedIndex != i)
 360                             node.selectedIndex = i;
 361                         break;
 362                     }
 363             }
 364         }
 365     },
 366
 367     width: {
 368         get: function (node) {
 369             return node.offsetWidth;
 370         }
 371     }
 372 });
 373
 374 // Query String Parsing {{{
 375 $.query = function () {
 376     var args = {};
 377
 378     var search = location.search;
 379     if (search != null) {
 380         _assert(search[0] == "?", "query string without ?");
 381
 382         var values = search.substring(1).split("&");
 383         for (var index in values) {
 384             var value = values[index]
 385             var equal = value.indexOf("=");
 386             var name;
 387
 388             if (equal == -1) {
 389                 name = value;
 390                 value = null;
 391             } else {
 392                 name = value.substring(0, equal);
 393                 value = value.substring(equal + 1);
 394                 value = decodeURIComponent(value);
 395             }
 396
 397             name = decodeURIComponent(name);
 398             if (typeof args[name] == "undefined")
 399                 args[name] = [];
 400             if (value != null)
 401                 args[name].push(value);
 402         }
 403     }
 404
 405     return args;
 406 };
 407 // }}}
 408 // Event Registration {{{
 409 // XXX: unable to remove registration
 410 $.prototype.event = function (event, _function) {
 411     $.each(this, function (node) {
 412         // XXX: smooth over this pointer ugliness
 413         if (node.addEventListener)
 414             node.addEventListener(event, _function, false);
 415         else if (node.attachEvent)
 416             node.attachEvent("on" + event, _function);
 417         else
 418             // XXX: multiple registration SNAFU
 419             node["on" + event] = _function;
 420     });
 421 };
 422
 423 $.each([
 424     "click", "load", "submit"
 425 ], function (event) {
 426     $.prototype[event] = function (_function) {
 427         if (typeof _function == 'undefined')
 428             _assert(false, "undefined function to $.[event]");
 429         else
 430             this.event(event, _function);
 431     };
 432 });
 433 // }}}
 434 // Timed Animation {{{
 435 $.interpolate = function (duration, event) {
 436     var start = new Date();
 437
 438     var next = function () {
 439         setTimeout(update, 0);
 440     };
 441
 442     var update = function () {
 443         var time = new Date() - start;
 444
 445         if (time >= duration)
 446             event(1);
 447         else {
 448             event(time / duration);
 449             next();
 450         }
 451     };
 452
 453     next();
 454 };
 455 // }}}
 456 // AJAX Requests {{{
 457 // XXX: abstract and implement other cases
 458 $.xhr = function (url, method, headers, data, events) {
 459     var xhr = new XMLHttpRequest();
 460     xhr.open(method, url, true);
 461
 462     for (var name in headers)
 463         xhr.setRequestHeader(name.replace(/_/, "-"), headers[name]);
 464
 465     if (events == null)
 466         events = {};
 467
 468     xhr.onreadystatechange = function () {
 469         if (xhr.readyState == 4) {
 470             var status = xhr.status;
 471             var text = xhr.responseText;
 472             if (events.response != null)
 473                 events.response(status, text);
 474             if (events.success != null)
 475                 if (status == 200)
 476                     events.success(text);
 477         }
 478     };
 479
 480     xhr.send(data);
 481 };
 482
 483 $.call = function (url, post, onsuccess) {
 484     var events = {};
 485
 486     if (onsuccess != null)
 487         events.complete = function (text) {
 488             onsuccess(eval(text));
 489         };
 490
 491     if (post == null)
 492         $.xhr(url, "POST", null, null, events);
 493     else
 494         $.xhr(url, "POST", {
 495             Content_Type: "application/json"
 496         }, $.json(post), events);
 497 };
 498 // }}}
 499 // WWW Form URL Encoder {{{
 500 $.form = function (parameters) {
 501     var data = "";
 502
 503     var ampersand = false;
 504     for (var name in parameters) {
 505         if (!ampersand)
 506             ampersand = true;
 507         else
 508             data += "&";
 509
 510         var value = parameters[name];
 511
 512         data += escape(name);
 513         data += "=";
 514         data += escape(value);
 515     }
 516
 517     return data;
 518 };
 519 // }}}
 520 // JSON Serializer {{{
 521 $.json = function (value) {
 522     if (value == null)
 523         return "null";
 524
 525     var type = $.type(value);
 526
 527     if (type == "number")
 528         return value;
 529     else if (type == "string")
 530         return "\"" + value
 531             .replace(/\\/, "\\\\")
 532             .replace(/\t/, "\\t")
 533             .replace(/\r/, "\\r")
 534             .replace(/\n/, "\\n")
 535             .replace(/"/, "\\\"")
 536         + "\"";
 537     else if (value.constructor == Array) {
 538         var json = "[";
 539         var comma = false;
 540
 541         for (var i = 0; i != value.length; ++i) {
 542             if (!comma)
 543                 comma = true;
 544             else
 545                 json += ",";
 546
 547             json += $.json(value[i]);
 548         }
 549
 550         return json + "]";
 551     } else if (
 552         value.constructor == Object &&
 553         value.toString() == "[object Object]"
 554     ) {
 555         var json = "{";
 556         var comma = false;
 557
 558         for (var name in value) {
 559             if (!comma)
 560                 comma = true;
 561             else
 562                 json += ",";
 563
 564             json += name + ":" + $.json(value[name]);
 565         }
 566         return json + "}";
 567     } else {
 568         return value;
 569     }
 570 };
 571 // }}}