git.roojs.org Git - app.Builder.js/blob - src/JsRender/NodeToVala.vala

   1 /**
   2  *
   3  * Code to convert node tree to Javascript...
   4  *
   5  * usage : x = (new JsRender.NodeToJs(node)).munge();
   6  *
   7  *
   8  *
   9  *
  10  *
  11 */
  12
  13
  14
  15
  16 public class JsRender.NodeToVala : Object {
  17
  18         Node node;
  19
  20         int depth;
  21         string inpad;
  22         string pad;
  23         string ipad;
  24         string cls;
  25         string xcls;
  26
  27         string ret;
  28
  29         int cur_line;
  30
  31         Gee.ArrayList<string> ignoreList;
  32         Gee.ArrayList<string> ignoreWrappedList;
  33         Gee.ArrayList<string> myvars;
  34         Gee.ArrayList<Node> vitems; // top level items
  35         NodeToVala top;
  36         JsRender file;
  37
  38         /*
  39          * ctor - just initializes things
  40          * - wraps a render node
  41          */
  42         public NodeToVala( Node node,  int depth, NodeToVala? parent)
  43         {
  44
  45
  46                 this.node = node;
  47                 this.depth = depth;
  48                 this.inpad = string.nfill(depth > 0 ? 4 : 0, ' ');
  49                 this.pad = this.inpad + "    ";
  50                 this.ipad = this.inpad + "        ";
  51                 this.cls = node.xvala_cls;
  52                 this.xcls = node.xvala_xcls;
  53                 this.ret = "";
  54                 this.cur_line = parent == null ? 0 : parent.cur_line;
  55
  56
  57                 this.top = parent == null ? this : parent.top;
  58                 this.ignoreList = new Gee.ArrayList<string>();
  59                 this.ignoreWrappedList  = new Gee.ArrayList<string>();
  60                 this.myvars = new Gee.ArrayList<string>();
  61                 this.vitems = new Gee.ArrayList<Node>();
  62                 this.file = null;
  63
  64                 // initialize line data..
  65                 node.line = this.cur_line;
  66                 node.proplines = new Gee.HashMap<string,int>();
  67                 node.listenlines = Gee.HashMap<string,int>();
  68
  69
  70
  71         }
  72
  73         public int vcnt = 0;
  74         string toValaNS(Node item)
  75         {
  76                 var ns = item.get("xns") ;
  77                 if (ns == "GtkSource") {
  78                         return "Gtk.Source";
  79                 }
  80                 return ns + ".";
  81         }
  82         public void  toValaName(Node item, int depth =0)
  83         {
  84                 this.vcnt++;
  85
  86                 var ns =  this.toValaNS(item) ;
  87                 var cls = ns + item.get("xtype");
  88
  89
  90                 item.xvala_cls = cls;
  91
  92
  93                 string id = item.get("id").length > 0 ?
  94                         item.get("id") :  "%s%d".printf(item.get("xtype"), this.vcnt);
  95
  96
  97
  98
  99                 if (id[0] == '*' || id[0] == '+') {
 100                         item.xvala_xcls = "Xcls_" + id.substring(1);
 101                 } else {
 102                         item.xvala_xcls = "Xcls_" + id;
 103                 }
 104
 105
 106                 item.xvala_id =  id;
 107                 if (depth > 0) {
 108                         this.vitems.add(item);
 109                 } else if (!item.props.has_key("id")) {
 110                         // use the file name..
 111                         item.xvala_xcls =  this.file.name;
 112                         // is id used?
 113                         item.xvala_id = this.file.name;
 114
 115                 }
 116                 // loop children..
 117
 118                 if (item.items.size < 1) {
 119                         return;
 120                 }
 121                 for(var i =0;i<item.items.size;i++) {
 122                         this.toValaName(item.items.get(i), depth+1);
 123                 }
 124
 125         }
 126         /**
 127          *  Main entry point to convert a file into a string..
 128          */
 129         public static string mungeFile(JsRender file)
 130         {
 131                 if (file.tree == null) {
 132                         return "";
 133                 }
 134
 135                 var n = new NodeToVala(file.tree, 0, null);
 136                 n.file = file;
 137                 n.vcnt = 0;
 138
 139                 n.toValaName(file.tree);
 140
 141
 142                 GLib.debug("top cls %s / xlcs %s\n ",file.tree.xvala_cls,file.tree.xvala_cls);
 143                 n.cls = file.tree.xvala_cls;
 144                 n.xcls = file.tree.xvala_xcls;
 145                 return n.munge();
 146
 147
 148         }
 149
 150         public string munge ( )
 151         {
 152                 //return this.mungeToString(this.node);
 153
 154                 this.ignore("pack");
 155                 this.ignore("init");
 156                 this.ignore("xns");
 157                 this.ignore("xtype");
 158                 this.ignore("id");
 159
 160                 this.globalVars();
 161                 this.classHeader();
 162                 this.addSingleton();
 163                 this.addTopProperties();
 164                 this.addMyVars();
 165                 this.addPlusProperties();
 166                 this.addValaCtor();
 167                 this.addUnderThis();
 168                 this.addWrappedCtor();
 169
 170                 this.addInitMyVars();
 171                 this.addWrappedProperties();
 172                 this.addChildren();
 173                 this.addInit();
 174                 this.addListeners();
 175                 this.addEndCtor();
 176                 this.addUserMethods();
 177                 this.iterChildren();
 178
 179                 return this.ret;
 180
 181
 182         }
 183         public string mungeChild(  Node cnode)
 184         {
 185                 var x = new  NodeToVala(cnode,  this.depth+1, this);
 186                 return x.munge();
 187         }
 188         public void addLine(string str= "")
 189         {
 190                 this.cur_line++;
 191                 this.ret += str + "\n";
 192         }
 193
 194
 195         public void globalVars()
 196         {
 197                 if (this.depth > 0) {
 198                         return;
 199                 }
 200                 // Global Vars..
 201                 //this.ret += this.inpad + "public static " + this.xcls + "  " + this.node.xvala_id+ ";\n\n";
 202
 203                 this.addLine("%sstatic %s _%s;".printf(this.inpad, this.xcls, this.node.xvala_id));
 204                 this.addLine();
 205                 //this.ret += this.inpad + "static " + this.xcls + "  _" + this.node.xvala_id+ ";\n\n";
 206
 207
 208         }
 209
 210         void classHeader()
 211         {
 212
 213                 // class header..
 214                 // class xxx {   WrappedGtk  el; }
 215                 this.node.line = this.cur_line;
 216                 this.addLine(inpad + "public class " + this.xcls + " : Object \n" + this.inpad + "{");
 217
 218
 219                 this.addLine(this.pad + "public " + this.cls + " el;");
 220
 221                 this.addLine(this.pad + "private " + this.top.xcls + "  _this;)";
 222                 this.addLine();
 223
 224
 225
 226                         // singleton
 227         }
 228         void addSingleton()
 229         {
 230                 if (depth > 0) {
 231                         return;
 232                 }
 233                 this.addLine(pad + "public static " + xcls + " singleton()");
 234                 this.addLine(this.pad + "{")
 235                 this.addLine(this.ipad +    "if (_" + this.node.xvala_id  + " == null) {");
 236                 this.addLine(this.ipad +    "    _" + this.node.xvala_id + "= new "+ this.xcls + "();");  // what about args?
 237                 this.addLine(this.ipad +    "}");
 238                 this.addLine(this.ipad +    "return _" + this.node.xvala_id +";");
 239                 this.addLine(this.pad + "}");
 240         }
 241
 242         /**
 243          * when ID is used... on an element, it registeres a property on the top level...
 244          * so that _this.ID always works..
 245          *
 246          */
 247         void addTopProperties()
 248         {
 249                 if (this.depth > 0) {
 250                         return;
 251                 }
 252                 // properties - global..??
 253
 254                 var iter = this.vitems.list_iterator();
 255                 while(iter.next()) {
 256                         var n = iter.get();
 257
 258
 259                         if (!n.props.has_key("id") || n.xvala_id.length < 0) {
 260                                 continue;
 261
 262                         }
 263                         if (n.xvala_id[0] == '*') {
 264                                 continue;
 265                         }
 266                         if (n.xvala_id[0] == '+') {
 267                                 continue;
 268                         }
 269                         this.addLine(this.pad + "public " + n.xvala_xcls + " " + n.xvala_id + ";");
 270
 271                 }
 272
 273         }
 274         /**
 275          * create properties that are not 'part of the wrapped element.
 276          *
 277          *
 278          */
 279
 280         void addMyVars()
 281         {
 282                 this.addLine();
 283                 this.addLine(this.ipad + "// my vars (def)");
 284
 285
 286
 287                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 288
 289                 if (cls == null) {
 290                         return;
 291                 }
 292
 293
 294                         // Key = TYPE:name
 295                 var iter = this.node.props.map_iterator();
 296                 while (iter.next()) {
 297                         var k = iter.get_key();
 298                         if (this.shouldIgnore(k)) {
 299                                 continue;
 300                         }
 301                         var vv = k.strip().split(" ");
 302                         // user defined method
 303                         if (vv[0] == "|") {
 304                                 continue;
 305                         }
 306                         if (vv[0] == "*") {
 307                                 continue;
 308                         }
 309
 310                         if (vv[0] == "@") {
 311                                 this.node.proplines.set(k, this.cur_line);
 312                                 this.addLine(this.pad + "public signal" + k.substring(1)  + " "  + iter.get_value() + ";");
 313
 314                                 this.ignore(k);
 315                                 continue;
 316                         }
 317                         var min = (vv[0] == "$" || vv[0] == "#") ? 3 : 2;
 318                         if (vv.length < min) {
 319                                 // skip 'old js style properties without a type'
 320                                 continue;
 321                         }
 322
 323                         var kname = vv[vv.length-1];
 324
 325                         if (this.shouldIgnore(kname)) {
 326                                 continue;
 327                         }
 328
 329                         // is it a class property...
 330                         if (cls.props.has_key(kname) && vv[0] != "#") {
 331                                 continue;
 332                         }
 333
 334                         this.myvars.add(k);
 335
 336                         this.node.proplines.set(k, this.cur_line);
 337                         this.addLine(this.pad + "public " +
 338                                 (k[0] == '$' || k[0] == '#' ? k.substring(2) : k ) + ";");
 339
 340                         this.ignore(k);
 341
 342
 343                 }
 344         }
 345
 346                         // if id of child is '+' then it's a property of this..
 347                 void addPlusProperties()
 348                 {
 349                         if (this.node.items.size < 1) {
 350                                 return;
 351                         }
 352                         var iter = this.node.items.list_iterator();
 353                         while (iter.next()) {
 354                         var ci = iter.get();
 355
 356                                 if (ci.xvala_id[0] != '+') {
 357                                         continue; // skip generation of children?
 358
 359                                 }
 360                                 this.node.proplines.set(k, this.cur_line);
 361                                 this.addLine(this.pad + "public " + ci.xvala_xcls + " " + ci.xvala_id.substring(1) + ";");
 362
 363
 364                         }
 365         }
 366
 367         void addValaCtor()
 368         {
 369
 370
 371                         // .vala props..
 372
 373                         string[] cargs = {};
 374                         var cargs_str = "";
 375                         // ctor..
 376                         this.ret += "\n" + this.pad + "// ctor \n";
 377                         if (this.node.has("* args")) {
 378                                 // not sure what this is supposed to be ding..
 379
 380                                 cargs_str = ", " + this.node.get("* args");
 381                                 //var ar = this.node.get("* args");.split(",");
 382                                 //for (var ari =0; ari < ar.length; ari++) {
 383                                         //      cargs +=  (ar[ari].trim().split(" ").pop();
 384                                           // }
 385                                 }
 386
 387                         if (this.depth < 1) {
 388                                 this.ret += this.pad + "public " + this.xcls + "(" +
 389                                         cargs_str +")\n" + this.pad + "{\n";
 390                         } else {
 391
 392                                                 //code
 393
 394                                 this.ret+= this.pad + "public " + this.xcls + "(" +
 395                                         this.top.xcls + " _owner " + cargs_str + ")\n" + this.pad + "{\n";
 396                         }
 397
 398
 399         }
 400         void addUnderThis()
 401         {
 402                         // public static?
 403                         if (depth < 1) {
 404                         this.ret += this.ipad + "_this = this;\n";
 405                         return;
 406                 }
 407                 this.ret+= this.ipad + "_this = _owner;\n";
 408
 409                 if (this.node.props.has_key("id")
 410                         &&
 411                         this.node.xvala_id != ""
 412                         &&
 413                         this.node.xvala_id[0] != '*'
 414                         &&
 415                         this.node.xvala_id[0] != '+'
 416                         ) {
 417                                 this.ret+= this.ipad + "_this." + node.xvala_id  + " = this;\n";
 418
 419                 }
 420
 421
 422
 423         }
 424
 425         void addWrappedCtor()
 426         {
 427                 // wrapped ctor..
 428                 // this may need to look up properties to fill in the arguments..
 429                 // introspection does not workk..... - as things like gtkmessagedialog
 430                 /*
 431                 if (cls == 'Gtk.Table') {
 432
 433                 var methods = this.palete.getPropertiesFor(cls, 'methods');
 434
 435                 print(JSON.stringify(this.palete.proplist[cls], null,4));
 436                 Seed.quit();
 437                 }
 438                 */
 439                 if (this.node.has("* ctor")) {
 440
 441
 442                                 this.ret +=  this.ipad + "this.el = " + this.node.get("* ctor")+ ";\n";
 443                         return;
 444                 }
 445                 // the ctor arguments...
 446
 447                 // see what the
 448                 //var default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".newv");
 449                 //if (default_ctor == null) {
 450                         var  default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".new");
 451
 452                 //}
 453                 if (default_ctor != null && default_ctor.paramset != null && default_ctor.paramset.params.size > 0) {
 454                         string[] args  = {};
 455                         var iter =default_ctor.paramset.params.list_iterator();
 456                         while (iter.next()) {
 457                                 var n = iter.get().name;
 458                                 if (!this.node.has(n)) {
 459
 460                                         if (iter.get().type.contains("int")) {
 461                                                 args += "0";
 462                                                 continue;
 463                                         }
 464                                         if (iter.get().type.contains("float")) {
 465                                                 args += "0f";
 466                                                 continue;
 467                                         }
 468                                         if (iter.get().type.contains("bool")) {
 469                                                 args += "true"; // always default to true?
 470                                                 continue;
 471                                         }
 472                                         // any other types???
 473
 474                                         args += "null";
 475                                         continue;
 476                                 }
 477                                 this.ignoreWrapped(n);
 478                                 this.ignore(n);
 479
 480                                 var v = this.node.get(n);
 481
 482                                 if (iter.get().type == "string") {
 483                                         v = "\"" +  v.escape("") + "\"";
 484                                 }
 485                                 if (v == "TRUE" || v == "FALSE") {
 486                                         v = v.down();
 487                                 }
 488
 489
 490                                 args += v;
 491
 492                         }
 493                         this.ret += this.ipad + "this.el = new " + cls + "( "+ string.joinv(", ",args) + " );\n" ;
 494                         return;
 495
 496                 }
 497
 498
 499                                 this.ret += this.ipad + "this.el = new " + this.cls + "();\n";
 500
 501
 502         }
 503
 504         void addInitMyVars()
 505         {
 506                         //var meths = this.palete.getPropertiesFor(item['|xns'] + '.' + item.xtype, 'methods');
 507                         //print(JSON.stringify(meths,null,4));Seed.quit();
 508
 509
 510
 511                         // initialize.. my vars..
 512                 this.ret += "\n" + this.ipad + "// my vars (dec)\n";
 513
 514                 var iter = this.myvars.list_iterator();
 515                 while(iter.next()) {
 516
 517                                 var k = iter.get();
 518
 519                                 var ar  = k.strip().split(" ");
 520                         var kname = ar[ar.length-1];
 521
 522                                 var v = this.node.props.get(k);
 523                         // ignore signals..
 524                                 if (v.length < 1) {
 525                                                 continue;
 526                                 }
 527                         if (v == "FALSE" || v == "TRUE") {
 528                                 v = v.down();
 529                         }
 530 //FIXME -- check for raw string.. "string XXXX"
 531
 532                         // if it's a string...
 533
 534                                 this.ret += this.ipad + "this." + kname + " = " +   v +";\n";
 535                         }
 536         }
 537
 538
 539
 540
 541
 542         void addWrappedProperties()
 543         {
 544                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 545                 if (cls == null) {
 546                         return;
 547                 }
 548                         // what are the properties of this class???
 549                 this.ret += "\n" + this.ipad + "// set gobject values\n";
 550
 551                 var iter = cls.props.map_iterator();
 552                 while (iter.next()) {
 553                         var p = iter.get_key();
 554                         print("Check Write %s\n", p);
 555                         if (!this.node.has(p)) {
 556                                 continue;
 557                         }
 558                         if (this.shouldIgnoreWrapped(p)) {
 559                                 continue;
 560                         }
 561
 562                                 this.ignore(p);
 563                         var v = this.node.get(p);
 564
 565                         var nodekey = this.node.get_key(p);
 566
 567                         // user defined properties.
 568                         if (nodekey[0] == '#') {
 569                                 continue;
 570                         }
 571
 572
 573
 574                         var is_raw = nodekey[0] == '$';
 575
 576                         // what's the type.. - if it's a string.. then we quote it..
 577                         if (iter.get_value().type == "string" && !is_raw) {
 578                                  v = "\"" +  v.escape("") + "\"";
 579                         }
 580                         if (v == "TRUE" || v == "FALSE") {
 581                                 v = v.down();
 582                         }
 583                         if (iter.get_value().type == "float" && v[v.length-1] != 'f') {
 584                                 v += "f";
 585                         }
 586
 587
 588                         this.ret += "%sthis.el.%s = %s;\n".printf(ipad,p,v); // // %s,  iter.get_value().type);
 589
 590                            // got a property..
 591
 592
 593                 }
 594
 595         }
 596
 597         void addChildren()
 598         {
 599                                 //code
 600                 if (this.node.items.size < 1) {
 601                         return;
 602                 }
 603
 604                         var iter = this.node.items.list_iterator();
 605                 var i = -1;
 606                 while (iter.next()) {
 607                         i++;
 608
 609                                         var ci = iter.get();
 610
 611                         if (ci.xvala_id[0] == '*') {
 612                                                 continue; // skip generation of children?
 613                                         }
 614
 615                                         var xargs = "";
 616                                         if (ci.has("* args")) {
 617
 618                                                 var ar = ci.get("* args").split(",");
 619                                                 for (var ari = 0 ; ari < ar.length; ari++ ) {
 620                                         var arg = ar[ari].split(" ");
 621                                                                 xargs += "," + arg[arg.length -1];
 622                                                 }
 623                                         }
 624
 625                                         this.ret += this.ipad + "var child_" + "%d".printf(i) + " = new " + ci.xvala_xcls +
 626                                         "( _this " + xargs + ");\n" ;
 627
 628                                         this.ret+= this.ipad + "child_" + "%d".printf(i) +".ref();\n"; // we need to reference increase unnamed children...
 629
 630                                         if (ci.has("* prop")) {
 631                                                 this.ret+= ipad + "this.el." + ci.get("* prop") + " = child_" + "%d".printf(i) + ".el;\n";
 632                                                 continue;
 633                                         }
 634
 635                         // not sure why we have 'true' in pack?!?
 636                                         if (!ci.has("pack") || ci.get("pack").down() == "false" || ci.get("pack").down() == "true") {
 637                                                 continue;
 638                                         }
 639
 640                                         string[]  packing =  { "add" };
 641                         if (ci.has("pack")) {
 642                                 packing = ci.get("pack").split(",");
 643                         }
 644
 645                                         var pack = packing[0];
 646                         this.ret += this.ipad + "this.el." + pack.strip() + " (  child_" + "%d".printf(i) + ".el " +
 647                                                            (packing.length > 1 ?
 648                                                                 (", " + string.joinv(",", packing).substring(pack.length+1))
 649                                                         :
 650                                                                         ""
 651                                                                 ) + " );\n";
 652
 653
 654                                         if (ci.xvala_id[0] != '+') {
 655                                                 continue; // skip generation of children?
 656
 657                                         }
 658                                         this.ret+= this.ipad + "this." + ci.xvala_id.substring(1) + " =  child_" + "%d".printf(i) +  ";\n";
 659
 660                 }
 661         }
 662
 663         void addInit()
 664         {
 665
 666
 667                 if (!this.node.has("init")) {
 668                                 return;
 669                 }
 670                 this.ret+= "\n" + ipad + "// init method \n";
 671
 672                 this.ret+= "\n" + ipad + this.padMultiline(ipad, this.node.get("init")) + "\n";
 673
 674          }
 675          void addListeners()
 676          {
 677                 if (this.node.listeners.size < 1) {
 678                         return;
 679                 }
 680
 681
 682
 683                 this.ret+= "\n" + ipad + "// listeners \n";
 684
 685                 var iter = this.node.listeners.map_iterator();
 686                 while (iter.next()) {
 687                         var k = iter.get_key();
 688                         var v = iter.get_value();
 689                                         this.ret+= this.ipad + "this.el." + k + ".connect( " +
 690                                         this.padMultiline(this.ipad,v) +");\n";
 691
 692                                 }
 693         }
 694                 void addEndCtor()
 695         {
 696
 697
 698
 699                         // end ctor..
 700                         this.ret+= this.pad + "}\n";
 701         }
 702
 703
 704         /*
 705  * Standardize this crap...
 706  *
 707  * standard properties (use to set)
 708  *          If they are long values show the dialog..
 709  *
 710  * someprop : ....
 711  * bool is_xxx  :: can show a pulldown.. (true/false)
 712  * string html
 713  * $ string html  = string with value interpolated eg. baseURL + ".."
 714  *  Clutter.ActorAlign x_align  (typed)  -- shows pulldowns if type is ENUM?
 715  * $ untypedvalue = javascript untyped value...
 716  * _ string html ... = translatable..
 717
 718  *
 719  * object properties (not part of the GOjbect being wrapped?
 720  * # Gee.ArrayList<Xcls_fileitem> fileitems
 721  *
 722  * signals
 723  * @ void open
 724  *
 725  * methods -- always text editor..
 726  * | void clearFiles
 727  * | someJSmethod
 728  *
 729  * specials
 730  * * prop -- string
 731  * * args  -- string
 732  * * ctor -- string
 733  * * init -- big string?
 734  *
 735  * event handlers (listeners)
 736  *   just shown
 737  *
 738  * -----------------
 739  * special ID values
 740  *  +XXXX -- indicates it's a instance property / not glob...
 741  *  *XXXX -- skip writing glob property (used as classes that can be created...)
 742  *
 743  *
 744  */
 745
 746         void addUserMethods()
 747         {
 748
 749                 this.ret+= "\n" + pad + "// user defined functions \n";
 750
 751                         // user defined functions...
 752                 var iter = this.node.props.map_iterator();
 753                 while(iter.next()) {
 754                                 var k = iter.get_key();
 755                         if (this.shouldIgnore(k)) {
 756                                 continue;
 757                         }
 758                         // HOW TO DETERIME if its a method?
 759                                 if (k[0] != '|') {
 760                                                 //strbuilder("\n" + pad + "// skip " + k + " - not pipe \n");
 761                                                 continue;
 762                         }
 763                                 // function in the format of {type} (args) { .... }
 764                                 var kk = k.substring(2);
 765                                 var vv = iter.get_value();
 766                                 this.ret += this.pad + "public " + kk + " " + this.padMultiline(this.pad, vv) + "\n";
 767
 768
 769                         }
 770         }
 771
 772         void iterChildren()
 773         {
 774
 775                         if (this.depth > 0) {
 776                         this.ret+= this.inpad + "}\n";
 777                         }
 778
 779                 var iter = this.node.items.list_iterator();
 780                 var i = -1;
 781                 while (iter.next()) {
 782                                 this.ret += this.mungeChild(iter.get());
 783                 }
 784
 785                         if (this.depth < 1) {
 786                                 this.ret+= this.inpad + "}\n";
 787                         }
 788
 789                 }
 790
 791         string padMultiline(string pad, string str)
 792         {
 793                 var ar = str.strip().split("\n");
 794                 return string.joinv("\n" + pad , ar);
 795         }
 796
 797         void ignore(string i) {
 798                 this.ignoreList.add(i);
 799
 800         }
 801         void ignoreWrapped(string i) {
 802                 this.ignoreWrappedList.add(i);
 803
 804         }
 805         bool shouldIgnore(string i)
 806         {
 807                 return ignoreList.contains(i);
 808         }
 809         bool shouldIgnoreWrapped(string i)
 810         {
 811                 return ignoreWrappedList.contains(i);
 812         }
 813
 814 }
 815
 816
 817
 818
 819
 820