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