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