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                 node.line = parent == null ? 0 : .line;
  55                 this.top = parent == null ? this : parent.top;
  56                 this.ignoreList = new Gee.ArrayList<string>();
  57                 this.ignoreWrappedList  = new Gee.ArrayList<string>();
  58                 this.myvars = new Gee.ArrayList<string>();
  59                 this.vitems = new Gee.ArrayList<Node>();
  60                 this.file = null;
  61         }
  62
  63         public int vcnt = 0;
  64         string toValaNS(Node item)
  65         {
  66                 var ns = item.get("xns") ;
  67                 if (ns == "GtkSource") {
  68                         return "Gtk.Source";
  69                 }
  70                 return ns + ".";
  71         }
  72         public void  toValaName(Node item, int depth =0)
  73         {
  74                 this.vcnt++;
  75
  76                 var ns =  this.toValaNS(item) ;
  77                 var cls = ns + item.get("xtype");
  78
  79
  80                 item.xvala_cls = cls;
  81
  82
  83                 string id = item.get("id").length > 0 ?
  84                         item.get("id") :  "%s%d".printf(item.get("xtype"), this.vcnt);
  85
  86
  87
  88
  89                 if (id[0] == '*' || id[0] == '+') {
  90                         item.xvala_xcls = "Xcls_" + id.substring(1);
  91                 } else {
  92                         item.xvala_xcls = "Xcls_" + id;
  93                 }
  94
  95
  96                 item.xvala_id =  id;
  97                 if (depth > 0) {
  98                         this.vitems.add(item);
  99                 } else if (!item.props.has_key("id")) {
 100                         // use the file name..
 101                         item.xvala_xcls =  this.file.name;
 102                         // is id used?
 103                         item.xvala_id = this.file.name;
 104
 105                 }
 106                 // loop children..
 107
 108                 if (item.items.size < 1) {
 109                         return;
 110                 }
 111                 for(var i =0;i<item.items.size;i++) {
 112                         this.toValaName(item.items.get(i), depth+1);
 113                 }
 114
 115         }
 116         /**
 117          *  Main entry point to convert a file into a string..
 118          */
 119         public static string mungeFile(JsRender file)
 120         {
 121                 if (file.tree == null) {
 122                         return "";
 123                 }
 124
 125                 var n = new NodeToVala(file.tree, 0, null);
 126                 n.file = file;
 127                 n.vcnt = 0;
 128
 129                 n.toValaName(file.tree);
 130
 131
 132                 GLib.debug("top cls %s / xlcs %s\n ",file.tree.xvala_cls,file.tree.xvala_cls);
 133                 n.cls = file.tree.xvala_cls;
 134                 n.xcls = file.tree.xvala_xcls;
 135                 return n.munge();
 136
 137
 138         }
 139
 140         public string munge ( )
 141         {
 142                 //return this.mungeToString(this.node);
 143
 144                 this.ignore("pack");
 145                 this.ignore("init");
 146                 this.ignore("xns");
 147                 this.ignore("xtype");
 148                 this.ignore("id");
 149
 150                 this.globalVars();
 151                 this.classHeader();
 152                 this.addSingleton();
 153                 this.addTopProperties();
 154                 this.addMyVars();
 155                 this.addPlusProperties();
 156                 this.addValaCtor();
 157                 this.addUnderThis();
 158                 this.addWrappedCtor();
 159
 160                 this.addInitMyVars();
 161                 this.addWrappedProperties();
 162                 this.addChildren();
 163                 this.addInit();
 164                 this.addListeners();
 165                 this.addEndCtor();
 166                 this.addUserMethods();
 167                 this.iterChildren();
 168
 169                 return this.ret;
 170
 171
 172         }
 173         public string mungeChild(  Node cnode)
 174         {
 175                 var x = new  NodeToVala(cnode,  this.depth+1, this);
 176                 return x.munge();
 177         }
 178
 179         public void globalVars()
 180         {
 181                 if (this.depth > 0) {
 182                         return;
 183                 }
 184                                 // Global Vars..
 185                                 //this.ret += this.inpad + "public static " + this.xcls + "  " + this.node.xvala_id+ ";\n\n";
 186
 187
 188                 this.ret += this.inpad + "static " + this.xcls + "  _" + this.node.xvala_id+ ";\n\n";
 189
 190
 191         }
 192
 193         void classHeader()
 194         {
 195
 196                         // class header..
 197                         // class xxx {   WrappedGtk  el; }
 198                         this.ret += inpad + "public class " + this.xcls + " : Object \n" + this.inpad + "{\n";
 199                         this.ret +=  this.pad + "public " + this.cls + " el;\n";
 200
 201
 202                         this.ret += this.pad + "private " + this.top.xcls + "  _this;\n\n";
 203
 204
 205
 206                         // singleton
 207         }
 208         void addSingleton()
 209         {
 210                         if (depth > 0) {
 211                         return;
 212                 }
 213                         this.ret += pad + "public static " + xcls + " singleton()\n" +
 214                                 this.pad + "{\n" +
 215                                 this.ipad + "if (_" + this.node.xvala_id  + " == null) {\n" +
 216                                 this.ipad + "    _" + this.node.xvala_id + "= new "+ this.xcls + "();\n" + // what about args?
 217                         this.ipad + "}\n" +
 218                         this.ipad + "return _" + this.node.xvala_id +";\n" +
 219                                 this.pad + "}\n";
 220         }
 221
 222
 223         void addTopProperties()
 224         {
 225                 if (this.depth > 0) {
 226                         return;
 227                 }
 228                 // properties - global..??
 229
 230                 var iter = this.vitems.list_iterator();
 231                 while(iter.next()) {
 232                         var n = iter.get();
 233
 234
 235                                         if (!n.props.has_key("id") || n.xvala_id.length < 0) {
 236                                                 continue;
 237
 238                                         }
 239                                         if (n.xvala_id[0] == '*') {
 240                                                 continue;
 241                                         }
 242                                         if (n.xvala_id[0] == '+') {
 243                                                 continue;
 244                                         }
 245                                         this.ret += this.pad + "public " + n.xvala_xcls + " " + n.xvala_id + ";\n";
 246                                 }
 247
 248         }
 249
 250                 void addMyVars()
 251         {
 252                 this.ret += "\n" + this.ipad + "// my vars (def)\n";
 253
 254
 255
 256                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 257
 258                 if (cls == null) {
 259                         return;
 260                 }
 261
 262
 263                         // Key = TYPE:name
 264                 var iter = this.node.props.map_iterator();
 265                 while (iter.next()) {
 266                                 var k = iter.get_key();
 267                         if (this.shouldIgnore(k)) {
 268                                 continue;
 269                         }
 270                         var vv = k.strip().split(" ");
 271                         // user defined method
 272                         if (vv[0] == "|") {
 273                                 continue;
 274                         }
 275                         if (vv[0] == "*") {
 276                                 continue;
 277                         }
 278
 279                                 if (vv[0] == "@") {
 280                                         this.ret += this.pad + "public signal" + k.substring(1)  + " "  + iter.get_value() + ";\n";
 281                                 this.ignore(k);
 282                                 continue;
 283                                 }
 284                         var min = (vv[0] == "$" || vv[0] == "#") ? 3 : 2;
 285                         if (vv.length < min) {
 286                                 // skip 'old js style properties without a type'
 287                                 continue;
 288                         }
 289
 290                         var kname = vv[vv.length-1];
 291
 292                         if (this.shouldIgnore(kname)) {
 293                                 continue;
 294                         }
 295
 296                         // is it a class property...
 297                         if (cls.props.has_key(kname) && vv[0] != "#") {
 298                                 continue;
 299                         }
 300
 301                         this.myvars.add(k);
 302
 303
 304                         this.ret += this.pad + "public " +
 305                                 (k[0] == '$' || k[0] == '#' ? k.substring(2) : k ) + ";\n";
 306
 307                         this.ignore(k);
 308
 309
 310                 }
 311         }
 312
 313                         // if id of child is '+' then it's a property of this..
 314                 void addPlusProperties()
 315         {
 316                         if (this.node.items.size < 1) {
 317                           return;
 318                 }
 319                 var iter = this.node.items.list_iterator();
 320                 while (iter.next()) {
 321                         var ci = iter.get();
 322
 323                                         if (ci.xvala_id[0] != '+') {
 324                                                 continue; // skip generation of children?
 325
 326                                         }
 327                                         this.ret += this.pad + "public " + ci.xvala_xcls + " " + ci.xvala_id.substring(1) + ";\n";
 328
 329
 330                                 }
 331         }
 332
 333         void addValaCtor()
 334         {
 335
 336
 337                         // .vala props..
 338
 339                         string[] cargs = {};
 340                         var cargs_str = "";
 341                         // ctor..
 342                         this.ret += "\n" + this.pad + "// ctor \n";
 343                         if (this.node.has("* args")) {
 344                                 // not sure what this is supposed to be ding..
 345
 346                                 cargs_str = ", " + this.node.get("* args");
 347                                 //var ar = this.node.get("* args");.split(",");
 348                                 //for (var ari =0; ari < ar.length; ari++) {
 349                                         //      cargs +=  (ar[ari].trim().split(" ").pop();
 350                                           // }
 351                                 }
 352
 353                         if (this.depth < 1) {
 354                                 this.ret += this.pad + "public " + this.xcls + "(" +
 355                                         cargs_str +")\n" + this.pad + "{\n";
 356                         } else {
 357
 358                                                 //code
 359
 360                                 this.ret+= this.pad + "public " + this.xcls + "(" +
 361                                         this.top.xcls + " _owner " + cargs_str + ")\n" + this.pad + "{\n";
 362                         }
 363
 364
 365         }
 366         void addUnderThis()
 367         {
 368                         // public static?
 369                         if (depth < 1) {
 370                         this.ret += this.ipad + "_this = this;\n";
 371                         return;
 372                 }
 373                 this.ret+= this.ipad + "_this = _owner;\n";
 374
 375                 if (this.node.props.has_key("id")
 376                         &&
 377                         this.node.xvala_id != ""
 378                         &&
 379                         this.node.xvala_id[0] != '*'
 380                         &&
 381                         this.node.xvala_id[0] != '+'
 382                         ) {
 383                                 this.ret+= this.ipad + "_this." + node.xvala_id  + " = this;\n";
 384
 385                 }
 386
 387
 388
 389         }
 390
 391         void addWrappedCtor()
 392         {
 393                 // wrapped ctor..
 394                 // this may need to look up properties to fill in the arguments..
 395                 // introspection does not workk..... - as things like gtkmessagedialog
 396                 /*
 397                 if (cls == 'Gtk.Table') {
 398
 399                 var methods = this.palete.getPropertiesFor(cls, 'methods');
 400
 401                 print(JSON.stringify(this.palete.proplist[cls], null,4));
 402                 Seed.quit();
 403                 }
 404                 */
 405                 if (this.node.has("* ctor")) {
 406
 407
 408                                 this.ret +=  this.ipad + "this.el = " + this.node.get("* ctor")+ ";\n";
 409                         return;
 410                 }
 411                 // the ctor arguments...
 412
 413                 // see what the
 414                 //var default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".newv");
 415                 //if (default_ctor == null) {
 416                         var  default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".new");
 417
 418                 //}
 419                 if (default_ctor != null && default_ctor.paramset != null && default_ctor.paramset.params.size > 0) {
 420                         string[] args  = {};
 421                         var iter =default_ctor.paramset.params.list_iterator();
 422                         while (iter.next()) {
 423                                 var n = iter.get().name;
 424                                 if (!this.node.has(n)) {
 425
 426                                         if (iter.get().type.contains("int")) {
 427                                                 args += "0";
 428                                                 continue;
 429                                         }
 430                                         if (iter.get().type.contains("float")) {
 431                                                 args += "0f";
 432                                                 continue;
 433                                         }
 434                                         if (iter.get().type.contains("bool")) {
 435                                                 args += "true"; // always default to true?
 436                                                 continue;
 437                                         }
 438                                         // any other types???
 439
 440                                         args += "null";
 441                                         continue;
 442                                 }
 443                                 this.ignoreWrapped(n);
 444                                 this.ignore(n);
 445
 446                                 var v = this.node.get(n);
 447
 448                                 if (iter.get().type == "string") {
 449                                         v = "\"" +  v.escape("") + "\"";
 450                                 }
 451                                 if (v == "TRUE" || v == "FALSE") {
 452                                         v = v.down();
 453                                 }
 454
 455
 456                                 args += v;
 457
 458                         }
 459                         this.ret += this.ipad + "this.el = new " + cls + "( "+ string.joinv(", ",args) + " );\n" ;
 460                         return;
 461
 462                 }
 463
 464
 465                                 this.ret += this.ipad + "this.el = new " + this.cls + "();\n";
 466
 467
 468         }
 469
 470         void addInitMyVars()
 471         {
 472                         //var meths = this.palete.getPropertiesFor(item['|xns'] + '.' + item.xtype, 'methods');
 473                         //print(JSON.stringify(meths,null,4));Seed.quit();
 474
 475
 476
 477                         // initialize.. my vars..
 478                 this.ret += "\n" + this.ipad + "// my vars (dec)\n";
 479
 480                 var iter = this.myvars.list_iterator();
 481                 while(iter.next()) {
 482
 483                                 var k = iter.get();
 484
 485                                 var ar  = k.strip().split(" ");
 486                         var kname = ar[ar.length-1];
 487
 488                                 var v = this.node.props.get(k);
 489                         // ignore signals..
 490                                 if (v.length < 1) {
 491                                                 continue;
 492                                 }
 493                         if (v == "FALSE" || v == "TRUE") {
 494                                 v = v.down();
 495                         }
 496 //FIXME -- check for raw string.. "string XXXX"
 497
 498                         // if it's a string...
 499
 500                                 this.ret += this.ipad + "this." + kname + " = " +   v +";\n";
 501                         }
 502         }
 503
 504
 505
 506
 507
 508         void addWrappedProperties()
 509         {
 510                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 511                 if (cls == null) {
 512                         return;
 513                 }
 514                         // what are the properties of this class???
 515                 this.ret += "\n" + this.ipad + "// set gobject values\n";
 516
 517                 var iter = cls.props.map_iterator();
 518                 while (iter.next()) {
 519                         var p = iter.get_key();
 520                         print("Check Write %s\n", p);
 521                         if (!this.node.has(p)) {
 522                                 continue;
 523                         }
 524                         if (this.shouldIgnoreWrapped(p)) {
 525                                 continue;
 526                         }
 527
 528                                 this.ignore(p);
 529                         var v = this.node.get(p);
 530
 531                         var nodekey = this.node.get_key(p);
 532
 533                         // user defined properties.
 534                         if (nodekey[0] == '#') {
 535                                 continue;
 536                         }
 537
 538
 539
 540                         var is_raw = nodekey[0] == '$';
 541
 542                         // what's the type.. - if it's a string.. then we quote it..
 543                         if (iter.get_value().type == "string" && !is_raw) {
 544                                  v = "\"" +  v.escape("") + "\"";
 545                         }
 546                         if (v == "TRUE" || v == "FALSE") {
 547                                 v = v.down();
 548                         }
 549                         if (iter.get_value().type == "float" && v[v.length-1] != 'f') {
 550                                 v += "f";
 551                         }
 552
 553
 554                         this.ret += "%sthis.el.%s = %s;\n".printf(ipad,p,v); // // %s,  iter.get_value().type);
 555
 556                            // got a property..
 557
 558
 559                 }
 560
 561         }
 562
 563         void addChildren()
 564         {
 565                                 //code
 566                 if (this.node.items.size < 1) {
 567                         return;
 568                 }
 569
 570                         var iter = this.node.items.list_iterator();
 571                 var i = -1;
 572                 while (iter.next()) {
 573                         i++;
 574
 575                                         var ci = iter.get();
 576
 577                         if (ci.xvala_id[0] == '*') {
 578                                                 continue; // skip generation of children?
 579                                         }
 580
 581                                         var xargs = "";
 582                                         if (ci.has("* args")) {
 583
 584                                                 var ar = ci.get("* args").split(",");
 585                                                 for (var ari = 0 ; ari < ar.length; ari++ ) {
 586                                         var arg = ar[ari].split(" ");
 587                                                                 xargs += "," + arg[arg.length -1];
 588                                                 }
 589                                         }
 590
 591                                         this.ret += this.ipad + "var child_" + "%d".printf(i) + " = new " + ci.xvala_xcls +
 592                                         "( _this " + xargs + ");\n" ;
 593
 594                                         this.ret+= this.ipad + "child_" + "%d".printf(i) +".ref();\n"; // we need to reference increase unnamed children...
 595
 596                                         if (ci.has("* prop")) {
 597                                                 this.ret+= ipad + "this.el." + ci.get("* prop") + " = child_" + "%d".printf(i) + ".el;\n";
 598                                                 continue;
 599                                         }
 600
 601                         // not sure why we have 'true' in pack?!?
 602                                         if (!ci.has("pack") || ci.get("pack").down() == "false" || ci.get("pack").down() == "true") {
 603                                                 continue;
 604                                         }
 605
 606                                         string[]  packing =  { "add" };
 607                         if (ci.has("pack")) {
 608                                 packing = ci.get("pack").split(",");
 609                         }
 610
 611                                         var pack = packing[0];
 612                         this.ret += this.ipad + "this.el." + pack.strip() + " (  child_" + "%d".printf(i) + ".el " +
 613                                                            (packing.length > 1 ?
 614                                                                 (", " + string.joinv(",", packing).substring(pack.length+1))
 615                                                         :
 616                                                                         ""
 617                                                                 ) + " );\n";
 618
 619
 620                                         if (ci.xvala_id[0] != '+') {
 621                                                 continue; // skip generation of children?
 622
 623                                         }
 624                                         this.ret+= this.ipad + "this." + ci.xvala_id.substring(1) + " =  child_" + "%d".printf(i) +  ";\n";
 625
 626                 }
 627         }
 628
 629         void addInit()
 630         {
 631
 632
 633                 if (!this.node.has("init")) {
 634                                 return;
 635                 }
 636                 this.ret+= "\n" + ipad + "// init method \n";
 637
 638                 this.ret+= "\n" + ipad + this.padMultiline(ipad, this.node.get("init")) + "\n";
 639
 640          }
 641          void addListeners()
 642          {
 643                 if (this.node.listeners.size < 1) {
 644                         return;
 645                 }
 646
 647
 648
 649                 this.ret+= "\n" + ipad + "// listeners \n";
 650
 651                 var iter = this.node.listeners.map_iterator();
 652                 while (iter.next()) {
 653                         var k = iter.get_key();
 654                         var v = iter.get_value();
 655                                         this.ret+= this.ipad + "this.el." + k + ".connect( " +
 656                                         this.padMultiline(this.ipad,v) +");\n";
 657
 658                                 }
 659         }
 660                 void addEndCtor()
 661         {
 662
 663
 664
 665                         // end ctor..
 666                         this.ret+= this.pad + "}\n";
 667         }
 668
 669
 670         /*
 671  * Standardize this crap...
 672  *
 673  * standard properties (use to set)
 674  *          If they are long values show the dialog..
 675  *
 676  * someprop : ....
 677  * bool is_xxx  :: can show a pulldown.. (true/false)
 678  * string html
 679  * $ string html  = string with value interpolated eg. baseURL + ".."
 680  *  Clutter.ActorAlign x_align  (typed)  -- shows pulldowns if type is ENUM?
 681  * $ untypedvalue = javascript untyped value...
 682  * _ string html ... = translatable..
 683
 684  *
 685  * object properties (not part of the GOjbect being wrapped?
 686  * # Gee.ArrayList<Xcls_fileitem> fileitems
 687  *
 688  * signals
 689  * @ void open
 690  *
 691  * methods -- always text editor..
 692  * | void clearFiles
 693  * | someJSmethod
 694  *
 695  * specials
 696  * * prop -- string
 697  * * args  -- string
 698  * * ctor -- string
 699  * * init -- big string?
 700  *
 701  * event handlers (listeners)
 702  *   just shown
 703  *
 704  * -----------------
 705  * special ID values
 706  *  +XXXX -- indicates it's a instance property / not glob...
 707  *  *XXXX -- skip writing glob property (used as classes that can be created...)
 708  *
 709  *
 710  */
 711
 712         void addUserMethods()
 713         {
 714
 715                 this.ret+= "\n" + pad + "// user defined functions \n";
 716
 717                         // user defined functions...
 718                 var iter = this.node.props.map_iterator();
 719                 while(iter.next()) {
 720                                 var k = iter.get_key();
 721                         if (this.shouldIgnore(k)) {
 722                                 continue;
 723                         }
 724                         // HOW TO DETERIME if its a method?
 725                                 if (k[0] != '|') {
 726                                                 //strbuilder("\n" + pad + "// skip " + k + " - not pipe \n");
 727                                                 continue;
 728                         }
 729                                 // function in the format of {type} (args) { .... }
 730                                 var kk = k.substring(2);
 731                                 var vv = iter.get_value();
 732                                 this.ret += this.pad + "public " + kk + " " + this.padMultiline(this.pad, vv) + "\n";
 733
 734
 735                         }
 736         }
 737
 738         void iterChildren()
 739         {
 740
 741                         if (this.depth > 0) {
 742                         this.ret+= this.inpad + "}\n";
 743                         }
 744
 745                 var iter = this.node.items.list_iterator();
 746                 var i = -1;
 747                 while (iter.next()) {
 748                                 this.ret += this.mungeChild(iter.get());
 749                 }
 750
 751                         if (this.depth < 1) {
 752                                 this.ret+= this.inpad + "}\n";
 753                         }
 754
 755                 }
 756
 757         string padMultiline(string pad, string str)
 758         {
 759                 var ar = str.strip().split("\n");
 760                 return string.joinv("\n" + pad , ar);
 761         }
 762
 763         void ignore(string i) {
 764                 this.ignoreList.add(i);
 765
 766         }
 767         void ignoreWrapped(string i) {
 768                 this.ignoreWrappedList.add(i);
 769
 770         }
 771         bool shouldIgnore(string i)
 772         {
 773                 return ignoreList.contains(i);
 774         }
 775         bool shouldIgnoreWrapped(string i)
 776         {
 777                 return ignoreWrappedList.contains(i);
 778         }
 779
 780 }
 781
 782
 783
 784
 785
 786