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