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