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.addLine(inpad + "public class " + this.xcls + " : Object \n" + this.inpad + "{");
 216                 this.node.line = this.cur_line;
 217
 218                 this.addLine(this.pad + "public " + this.cls + " el;");
 219
 220                 this.addLine(this.pad + "private " + this.top.xcls + "  _this;)";
 221                 this.addLine();
 222
 223
 224
 225                         // singleton
 226         }
 227         void addSingleton()
 228         {
 229                 if (depth > 0) {
 230                         return;
 231                 }
 232                 this.addLine(pad + "public static " + xcls + " singleton()");
 233                 this.addLine(this.pad + "{")
 234                 this.addLine(this.ipad +    "if (_" + this.node.xvala_id  + " == null) {");
 235                 this.addLine(this.ipad +    "    _" + this.node.xvala_id + "= new "+ this.xcls + "();");  // what about args?
 236                 this.addLine(this.ipad +    "}");
 237                 this.addLine(this.ipad +    "return _" + this.node.xvala_id +";");
 238                 this.addLine(this.pad + "}");
 239         }
 240
 241         /**
 242          * when ID is used... on an element, it registeres a property on the top level...
 243          * so that _this.ID always works..
 244          *
 245          */
 246         void addTopProperties()
 247         {
 248                 if (this.depth > 0) {
 249                         return;
 250                 }
 251                 // properties - global..??
 252
 253                 var iter = this.vitems.list_iterator();
 254                 while(iter.next()) {
 255                         var n = iter.get();
 256
 257
 258                         if (!n.props.has_key("id") || n.xvala_id.length < 0) {
 259                                 continue;
 260
 261                         }
 262                         if (n.xvala_id[0] == '*') {
 263                                 continue;
 264                         }
 265                         if (n.xvala_id[0] == '+') {
 266                                 continue;
 267                         }
 268                         this.addLine(this.pad + "public " + n.xvala_xcls + " " + n.xvala_id + ";");
 269
 270                 }
 271
 272         }
 273         /**
 274          * create properties that are not 'part of the wrapped element.
 275          *
 276          *
 277          */
 278
 279         void addMyVars()
 280         {
 281                 this.addLine();
 282                 this.addLine(this.ipad + "// my vars (def)");
 283
 284
 285
 286                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 287
 288                 if (cls == null) {
 289                         return;
 290                 }
 291
 292
 293                         // Key = TYPE:name
 294                 var iter = this.node.props.map_iterator();
 295                 while (iter.next()) {
 296                         var k = iter.get_key();
 297                         if (this.shouldIgnore(k)) {
 298                                 continue;
 299                         }
 300                         var vv = k.strip().split(" ");
 301                         // user defined method
 302                         if (vv[0] == "|") {
 303                                 continue;
 304                         }
 305                         if (vv[0] == "*") {
 306                                 continue;
 307                         }
 308
 309                         if (vv[0] == "@") {
 310                                 this.node.proplines.set(k, this.cur_line);
 311                                 this.addLine(this.pad + "public signal" + k.substring(1)  + " "  + iter.get_value() + ";");
 312
 313                                 this.ignore(k);
 314                                 continue;
 315                         }
 316                         var min = (vv[0] == "$" || vv[0] == "#") ? 3 : 2;
 317                         if (vv.length < min) {
 318                                 // skip 'old js style properties without a type'
 319                                 continue;
 320                         }
 321
 322                         var kname = vv[vv.length-1];
 323
 324                         if (this.shouldIgnore(kname)) {
 325                                 continue;
 326                         }
 327
 328                         // is it a class property...
 329                         if (cls.props.has_key(kname) && vv[0] != "#") {
 330                                 continue;
 331                         }
 332
 333                         this.myvars.add(k);
 334
 335
 336                         this.ret += this.pad + "public " +
 337                                 (k[0] == '$' || k[0] == '#' ? k.substring(2) : k ) + ";\n";
 338
 339                         this.ignore(k);
 340
 341
 342                 }
 343         }
 344
 345                         // if id of child is '+' then it's a property of this..
 346                 void addPlusProperties()
 347         {
 348                         if (this.node.items.size < 1) {
 349                           return;
 350                 }
 351                 var iter = this.node.items.list_iterator();
 352                 while (iter.next()) {
 353                         var ci = iter.get();
 354
 355                                         if (ci.xvala_id[0] != '+') {
 356                                                 continue; // skip generation of children?
 357
 358                                         }
 359                                         this.ret += this.pad + "public " + ci.xvala_xcls + " " + ci.xvala_id.substring(1) + ";\n";
 360
 361
 362                                 }
 363         }
 364
 365         void addValaCtor()
 366         {
 367
 368
 369                         // .vala props..
 370
 371                         string[] cargs = {};
 372                         var cargs_str = "";
 373                         // ctor..
 374                         this.ret += "\n" + this.pad + "// ctor \n";
 375                         if (this.node.has("* args")) {
 376                                 // not sure what this is supposed to be ding..
 377
 378                                 cargs_str = ", " + this.node.get("* args");
 379                                 //var ar = this.node.get("* args");.split(",");
 380                                 //for (var ari =0; ari < ar.length; ari++) {
 381                                         //      cargs +=  (ar[ari].trim().split(" ").pop();
 382                                           // }
 383                                 }
 384
 385                         if (this.depth < 1) {
 386                                 this.ret += this.pad + "public " + this.xcls + "(" +
 387                                         cargs_str +")\n" + this.pad + "{\n";
 388                         } else {
 389
 390                                                 //code
 391
 392                                 this.ret+= this.pad + "public " + this.xcls + "(" +
 393                                         this.top.xcls + " _owner " + cargs_str + ")\n" + this.pad + "{\n";
 394                         }
 395
 396
 397         }
 398         void addUnderThis()
 399         {
 400                         // public static?
 401                         if (depth < 1) {
 402                         this.ret += this.ipad + "_this = this;\n";
 403                         return;
 404                 }
 405                 this.ret+= this.ipad + "_this = _owner;\n";
 406
 407                 if (this.node.props.has_key("id")
 408                         &&
 409                         this.node.xvala_id != ""
 410                         &&
 411                         this.node.xvala_id[0] != '*'
 412                         &&
 413                         this.node.xvala_id[0] != '+'
 414                         ) {
 415                                 this.ret+= this.ipad + "_this." + node.xvala_id  + " = this;\n";
 416
 417                 }
 418
 419
 420
 421         }
 422
 423         void addWrappedCtor()
 424         {
 425                 // wrapped ctor..
 426                 // this may need to look up properties to fill in the arguments..
 427                 // introspection does not workk..... - as things like gtkmessagedialog
 428                 /*
 429                 if (cls == 'Gtk.Table') {
 430
 431                 var methods = this.palete.getPropertiesFor(cls, 'methods');
 432
 433                 print(JSON.stringify(this.palete.proplist[cls], null,4));
 434                 Seed.quit();
 435                 }
 436                 */
 437                 if (this.node.has("* ctor")) {
 438
 439
 440                                 this.ret +=  this.ipad + "this.el = " + this.node.get("* ctor")+ ";\n";
 441                         return;
 442                 }
 443                 // the ctor arguments...
 444
 445                 // see what the
 446                 //var default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".newv");
 447                 //if (default_ctor == null) {
 448                         var  default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".new");
 449
 450                 //}
 451                 if (default_ctor != null && default_ctor.paramset != null && default_ctor.paramset.params.size > 0) {
 452                         string[] args  = {};
 453                         var iter =default_ctor.paramset.params.list_iterator();
 454                         while (iter.next()) {
 455                                 var n = iter.get().name;
 456                                 if (!this.node.has(n)) {
 457
 458                                         if (iter.get().type.contains("int")) {
 459                                                 args += "0";
 460                                                 continue;
 461                                         }
 462                                         if (iter.get().type.contains("float")) {
 463                                                 args += "0f";
 464                                                 continue;
 465                                         }
 466                                         if (iter.get().type.contains("bool")) {
 467                                                 args += "true"; // always default to true?
 468                                                 continue;
 469                                         }
 470                                         // any other types???
 471
 472                                         args += "null";
 473                                         continue;
 474                                 }
 475                                 this.ignoreWrapped(n);
 476                                 this.ignore(n);
 477
 478                                 var v = this.node.get(n);
 479
 480                                 if (iter.get().type == "string") {
 481                                         v = "\"" +  v.escape("") + "\"";
 482                                 }
 483                                 if (v == "TRUE" || v == "FALSE") {
 484                                         v = v.down();
 485                                 }
 486
 487
 488                                 args += v;
 489
 490                         }
 491                         this.ret += this.ipad + "this.el = new " + cls + "( "+ string.joinv(", ",args) + " );\n" ;
 492                         return;
 493
 494                 }
 495
 496
 497                                 this.ret += this.ipad + "this.el = new " + this.cls + "();\n";
 498
 499
 500         }
 501
 502         void addInitMyVars()
 503         {
 504                         //var meths = this.palete.getPropertiesFor(item['|xns'] + '.' + item.xtype, 'methods');
 505                         //print(JSON.stringify(meths,null,4));Seed.quit();
 506
 507
 508
 509                         // initialize.. my vars..
 510                 this.ret += "\n" + this.ipad + "// my vars (dec)\n";
 511
 512                 var iter = this.myvars.list_iterator();
 513                 while(iter.next()) {
 514
 515                                 var k = iter.get();
 516
 517                                 var ar  = k.strip().split(" ");
 518                         var kname = ar[ar.length-1];
 519
 520                                 var v = this.node.props.get(k);
 521                         // ignore signals..
 522                                 if (v.length < 1) {
 523                                                 continue;
 524                                 }
 525                         if (v == "FALSE" || v == "TRUE") {
 526                                 v = v.down();
 527                         }
 528 //FIXME -- check for raw string.. "string XXXX"
 529
 530                         // if it's a string...
 531
 532                                 this.ret += this.ipad + "this." + kname + " = " +   v +";\n";
 533                         }
 534         }
 535
 536
 537
 538
 539
 540         void addWrappedProperties()
 541         {
 542                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 543                 if (cls == null) {
 544                         return;
 545                 }
 546                         // what are the properties of this class???
 547                 this.ret += "\n" + this.ipad + "// set gobject values\n";
 548
 549                 var iter = cls.props.map_iterator();
 550                 while (iter.next()) {
 551                         var p = iter.get_key();
 552                         print("Check Write %s\n", p);
 553                         if (!this.node.has(p)) {
 554                                 continue;
 555                         }
 556                         if (this.shouldIgnoreWrapped(p)) {
 557                                 continue;
 558                         }
 559
 560                                 this.ignore(p);
 561                         var v = this.node.get(p);
 562
 563                         var nodekey = this.node.get_key(p);
 564
 565                         // user defined properties.
 566                         if (nodekey[0] == '#') {
 567                                 continue;
 568                         }
 569
 570
 571
 572                         var is_raw = nodekey[0] == '$';
 573
 574                         // what's the type.. - if it's a string.. then we quote it..
 575                         if (iter.get_value().type == "string" && !is_raw) {
 576                                  v = "\"" +  v.escape("") + "\"";
 577                         }
 578                         if (v == "TRUE" || v == "FALSE") {
 579                                 v = v.down();
 580                         }
 581                         if (iter.get_value().type == "float" && v[v.length-1] != 'f') {
 582                                 v += "f";
 583                         }
 584
 585
 586                         this.ret += "%sthis.el.%s = %s;\n".printf(ipad,p,v); // // %s,  iter.get_value().type);
 587
 588                            // got a property..
 589
 590
 591                 }
 592
 593         }
 594
 595         void addChildren()
 596         {
 597                                 //code
 598                 if (this.node.items.size < 1) {
 599                         return;
 600                 }
 601
 602                         var iter = this.node.items.list_iterator();
 603                 var i = -1;
 604                 while (iter.next()) {
 605                         i++;
 606
 607                                         var ci = iter.get();
 608
 609                         if (ci.xvala_id[0] == '*') {
 610                                                 continue; // skip generation of children?
 611                                         }
 612
 613                                         var xargs = "";
 614                                         if (ci.has("* args")) {
 615
 616                                                 var ar = ci.get("* args").split(",");
 617                                                 for (var ari = 0 ; ari < ar.length; ari++ ) {
 618                                         var arg = ar[ari].split(" ");
 619                                                                 xargs += "," + arg[arg.length -1];
 620                                                 }
 621                                         }
 622
 623                                         this.ret += this.ipad + "var child_" + "%d".printf(i) + " = new " + ci.xvala_xcls +
 624                                         "( _this " + xargs + ");\n" ;
 625
 626                                         this.ret+= this.ipad + "child_" + "%d".printf(i) +".ref();\n"; // we need to reference increase unnamed children...
 627
 628                                         if (ci.has("* prop")) {
 629                                                 this.ret+= ipad + "this.el." + ci.get("* prop") + " = child_" + "%d".printf(i) + ".el;\n";
 630                                                 continue;
 631                                         }
 632
 633                         // not sure why we have 'true' in pack?!?
 634                                         if (!ci.has("pack") || ci.get("pack").down() == "false" || ci.get("pack").down() == "true") {
 635                                                 continue;
 636                                         }
 637
 638                                         string[]  packing =  { "add" };
 639                         if (ci.has("pack")) {
 640                                 packing = ci.get("pack").split(",");
 641                         }
 642
 643                                         var pack = packing[0];
 644                         this.ret += this.ipad + "this.el." + pack.strip() + " (  child_" + "%d".printf(i) + ".el " +
 645                                                            (packing.length > 1 ?
 646                                                                 (", " + string.joinv(",", packing).substring(pack.length+1))
 647                                                         :
 648                                                                         ""
 649                                                                 ) + " );\n";
 650
 651
 652                                         if (ci.xvala_id[0] != '+') {
 653                                                 continue; // skip generation of children?
 654
 655                                         }
 656                                         this.ret+= this.ipad + "this." + ci.xvala_id.substring(1) + " =  child_" + "%d".printf(i) +  ";\n";
 657
 658                 }
 659         }
 660
 661         void addInit()
 662         {
 663
 664
 665                 if (!this.node.has("init")) {
 666                                 return;
 667                 }
 668                 this.ret+= "\n" + ipad + "// init method \n";
 669
 670                 this.ret+= "\n" + ipad + this.padMultiline(ipad, this.node.get("init")) + "\n";
 671
 672          }
 673          void addListeners()
 674          {
 675                 if (this.node.listeners.size < 1) {
 676                         return;
 677                 }
 678
 679
 680
 681                 this.ret+= "\n" + ipad + "// listeners \n";
 682
 683                 var iter = this.node.listeners.map_iterator();
 684                 while (iter.next()) {
 685                         var k = iter.get_key();
 686                         var v = iter.get_value();
 687                                         this.ret+= this.ipad + "this.el." + k + ".connect( " +
 688                                         this.padMultiline(this.ipad,v) +");\n";
 689
 690                                 }
 691         }
 692                 void addEndCtor()
 693         {
 694
 695
 696
 697                         // end ctor..
 698                         this.ret+= this.pad + "}\n";
 699         }
 700
 701
 702         /*
 703  * Standardize this crap...
 704  *
 705  * standard properties (use to set)
 706  *          If they are long values show the dialog..
 707  *
 708  * someprop : ....
 709  * bool is_xxx  :: can show a pulldown.. (true/false)
 710  * string html
 711  * $ string html  = string with value interpolated eg. baseURL + ".."
 712  *  Clutter.ActorAlign x_align  (typed)  -- shows pulldowns if type is ENUM?
 713  * $ untypedvalue = javascript untyped value...
 714  * _ string html ... = translatable..
 715
 716  *
 717  * object properties (not part of the GOjbect being wrapped?
 718  * # Gee.ArrayList<Xcls_fileitem> fileitems
 719  *
 720  * signals
 721  * @ void open
 722  *
 723  * methods -- always text editor..
 724  * | void clearFiles
 725  * | someJSmethod
 726  *
 727  * specials
 728  * * prop -- string
 729  * * args  -- string
 730  * * ctor -- string
 731  * * init -- big string?
 732  *
 733  * event handlers (listeners)
 734  *   just shown
 735  *
 736  * -----------------
 737  * special ID values
 738  *  +XXXX -- indicates it's a instance property / not glob...
 739  *  *XXXX -- skip writing glob property (used as classes that can be created...)
 740  *
 741  *
 742  */
 743
 744         void addUserMethods()
 745         {
 746
 747                 this.ret+= "\n" + pad + "// user defined functions \n";
 748
 749                         // user defined functions...
 750                 var iter = this.node.props.map_iterator();
 751                 while(iter.next()) {
 752                                 var k = iter.get_key();
 753                         if (this.shouldIgnore(k)) {
 754                                 continue;
 755                         }
 756                         // HOW TO DETERIME if its a method?
 757                                 if (k[0] != '|') {
 758                                                 //strbuilder("\n" + pad + "// skip " + k + " - not pipe \n");
 759                                                 continue;
 760                         }
 761                                 // function in the format of {type} (args) { .... }
 762                                 var kk = k.substring(2);
 763                                 var vv = iter.get_value();
 764                                 this.ret += this.pad + "public " + kk + " " + this.padMultiline(this.pad, vv) + "\n";
 765
 766
 767                         }
 768         }
 769
 770         void iterChildren()
 771         {
 772
 773                         if (this.depth > 0) {
 774                         this.ret+= this.inpad + "}\n";
 775                         }
 776
 777                 var iter = this.node.items.list_iterator();
 778                 var i = -1;
 779                 while (iter.next()) {
 780                                 this.ret += this.mungeChild(iter.get());
 781                 }
 782
 783                         if (this.depth < 1) {
 784                                 this.ret+= this.inpad + "}\n";
 785                         }
 786
 787                 }
 788
 789         string padMultiline(string pad, string str)
 790         {
 791                 var ar = str.strip().split("\n");
 792                 return string.joinv("\n" + pad , ar);
 793         }
 794
 795         void ignore(string i) {
 796                 this.ignoreList.add(i);
 797
 798         }
 799         void ignoreWrapped(string i) {
 800                 this.ignoreWrappedList.add(i);
 801
 802         }
 803         bool shouldIgnore(string i)
 804         {
 805                 return ignoreList.contains(i);
 806         }
 807         bool shouldIgnoreWrapped(string i)
 808         {
 809                 return ignoreWrappedList.contains(i);
 810         }
 811
 812 }
 813
 814
 815
 816
 817
 818