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                 this.addLine(this.pad + "public " + this.cls + " el;");
 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          * when ID is used... on an element, it registeres a property on the top level...
 243          * so that _this.ID always works..
 244          *
 245          */
 246         void addTopProperties()
 247         {
 248                 if (this.depth > 0) {
 249                         return;
 250                 }
 251                 // properties - global..??
 252
 253                 var iter = this.vitems.list_iterator();
 254                 while(iter.next()) {
 255                         var n = iter.get();
 256
 257
 258                         if (!n.props.has_key("id") || n.xvala_id.length < 0) {
 259                                 continue;
 260
 261                         }
 262                         if (n.xvala_id[0] == '*') {
 263                                 continue;
 264                         }
 265                         if (n.xvala_id[0] == '+') {
 266                                 continue;
 267                         }
 268                         this.addLine(this.pad + "public " + n.xvala_xcls + " " + n.xvala_id + ";");
 269
 270                 }
 271
 272         }
 273         /**
 274          * create properties that are not 'part of the wrapped element.
 275          *
 276          *
 277          */
 278
 279         void addMyVars()
 280         {
 281                 this.addLine();
 282                 this.addLine(this.ipad + "// my vars (def)");
 283
 284
 285
 286                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 287
 288                 if (cls == null) {
 289                         return;
 290                 }
 291
 292
 293                         // Key = TYPE:name
 294                 var iter = this.node.props.map_iterator();
 295                 while (iter.next()) {
 296                         var k = iter.get_key();
 297                         if (this.shouldIgnore(k)) {
 298                                 continue;
 299                         }
 300                         var vv = k.strip().split(" ");
 301                         // user defined method
 302                         if (vv[0] == "|") {
 303                                 continue;
 304                         }
 305                         if (vv[0] == "*") {
 306                                 continue;
 307                         }
 308
 309                         if (vv[0] == "@") {
 310                                 this.addLine(this.pad + "public signal" + k.substring(1)  + " "  + iter.get_value() + ";");
 311
 312                                 this.ignore(k);
 313                                 continue;
 314                         }
 315                         var min = (vv[0] == "$" || vv[0] == "#") ? 3 : 2;
 316                         if (vv.length < min) {
 317                                 // skip 'old js style properties without a type'
 318                                 continue;
 319                         }
 320
 321                         var kname = vv[vv.length-1];
 322
 323                         if (this.shouldIgnore(kname)) {
 324                                 continue;
 325                         }
 326
 327                         // is it a class property...
 328                         if (cls.props.has_key(kname) && vv[0] != "#") {
 329                                 continue;
 330                         }
 331
 332                         this.myvars.add(k);
 333
 334
 335                         this.ret += this.pad + "public " +
 336                                 (k[0] == '$' || k[0] == '#' ? k.substring(2) : k ) + ";\n";
 337
 338                         this.ignore(k);
 339
 340
 341                 }
 342         }
 343
 344                         // if id of child is '+' then it's a property of this..
 345                 void addPlusProperties()
 346         {
 347                         if (this.node.items.size < 1) {
 348                           return;
 349                 }
 350                 var iter = this.node.items.list_iterator();
 351                 while (iter.next()) {
 352                         var ci = iter.get();
 353
 354                                         if (ci.xvala_id[0] != '+') {
 355                                                 continue; // skip generation of children?
 356
 357                                         }
 358                                         this.ret += this.pad + "public " + ci.xvala_xcls + " " + ci.xvala_id.substring(1) + ";\n";
 359
 360
 361                                 }
 362         }
 363
 364         void addValaCtor()
 365         {
 366
 367
 368                         // .vala props..
 369
 370                         string[] cargs = {};
 371                         var cargs_str = "";
 372                         // ctor..
 373                         this.ret += "\n" + this.pad + "// ctor \n";
 374                         if (this.node.has("* args")) {
 375                                 // not sure what this is supposed to be ding..
 376
 377                                 cargs_str = ", " + this.node.get("* args");
 378                                 //var ar = this.node.get("* args");.split(",");
 379                                 //for (var ari =0; ari < ar.length; ari++) {
 380                                         //      cargs +=  (ar[ari].trim().split(" ").pop();
 381                                           // }
 382                                 }
 383
 384                         if (this.depth < 1) {
 385                                 this.ret += this.pad + "public " + this.xcls + "(" +
 386                                         cargs_str +")\n" + this.pad + "{\n";
 387                         } else {
 388
 389                                                 //code
 390
 391                                 this.ret+= this.pad + "public " + this.xcls + "(" +
 392                                         this.top.xcls + " _owner " + cargs_str + ")\n" + this.pad + "{\n";
 393                         }
 394
 395
 396         }
 397         void addUnderThis()
 398         {
 399                         // public static?
 400                         if (depth < 1) {
 401                         this.ret += this.ipad + "_this = this;\n";
 402                         return;
 403                 }
 404                 this.ret+= this.ipad + "_this = _owner;\n";
 405
 406                 if (this.node.props.has_key("id")
 407                         &&
 408                         this.node.xvala_id != ""
 409                         &&
 410                         this.node.xvala_id[0] != '*'
 411                         &&
 412                         this.node.xvala_id[0] != '+'
 413                         ) {
 414                                 this.ret+= this.ipad + "_this." + node.xvala_id  + " = this;\n";
 415
 416                 }
 417
 418
 419
 420         }
 421
 422         void addWrappedCtor()
 423         {
 424                 // wrapped ctor..
 425                 // this may need to look up properties to fill in the arguments..
 426                 // introspection does not workk..... - as things like gtkmessagedialog
 427                 /*
 428                 if (cls == 'Gtk.Table') {
 429
 430                 var methods = this.palete.getPropertiesFor(cls, 'methods');
 431
 432                 print(JSON.stringify(this.palete.proplist[cls], null,4));
 433                 Seed.quit();
 434                 }
 435                 */
 436                 if (this.node.has("* ctor")) {
 437
 438
 439                                 this.ret +=  this.ipad + "this.el = " + this.node.get("* ctor")+ ";\n";
 440                         return;
 441                 }
 442                 // the ctor arguments...
 443
 444                 // see what the
 445                 //var default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".newv");
 446                 //if (default_ctor == null) {
 447                         var  default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".new");
 448
 449                 //}
 450                 if (default_ctor != null && default_ctor.paramset != null && default_ctor.paramset.params.size > 0) {
 451                         string[] args  = {};
 452                         var iter =default_ctor.paramset.params.list_iterator();
 453                         while (iter.next()) {
 454                                 var n = iter.get().name;
 455                                 if (!this.node.has(n)) {
 456
 457                                         if (iter.get().type.contains("int")) {
 458                                                 args += "0";
 459                                                 continue;
 460                                         }
 461                                         if (iter.get().type.contains("float")) {
 462                                                 args += "0f";
 463                                                 continue;
 464                                         }
 465                                         if (iter.get().type.contains("bool")) {
 466                                                 args += "true"; // always default to true?
 467                                                 continue;
 468                                         }
 469                                         // any other types???
 470
 471                                         args += "null";
 472                                         continue;
 473                                 }
 474                                 this.ignoreWrapped(n);
 475                                 this.ignore(n);
 476
 477                                 var v = this.node.get(n);
 478
 479                                 if (iter.get().type == "string") {
 480                                         v = "\"" +  v.escape("") + "\"";
 481                                 }
 482                                 if (v == "TRUE" || v == "FALSE") {
 483                                         v = v.down();
 484                                 }
 485
 486
 487                                 args += v;
 488
 489                         }
 490                         this.ret += this.ipad + "this.el = new " + cls + "( "+ string.joinv(", ",args) + " );\n" ;
 491                         return;
 492
 493                 }
 494
 495
 496                                 this.ret += this.ipad + "this.el = new " + this.cls + "();\n";
 497
 498
 499         }
 500
 501         void addInitMyVars()
 502         {
 503                         //var meths = this.palete.getPropertiesFor(item['|xns'] + '.' + item.xtype, 'methods');
 504                         //print(JSON.stringify(meths,null,4));Seed.quit();
 505
 506
 507
 508                         // initialize.. my vars..
 509                 this.ret += "\n" + this.ipad + "// my vars (dec)\n";
 510
 511                 var iter = this.myvars.list_iterator();
 512                 while(iter.next()) {
 513
 514                                 var k = iter.get();
 515
 516                                 var ar  = k.strip().split(" ");
 517                         var kname = ar[ar.length-1];
 518
 519                                 var v = this.node.props.get(k);
 520                         // ignore signals..
 521                                 if (v.length < 1) {
 522                                                 continue;
 523                                 }
 524                         if (v == "FALSE" || v == "TRUE") {
 525                                 v = v.down();
 526                         }
 527 //FIXME -- check for raw string.. "string XXXX"
 528
 529                         // if it's a string...
 530
 531                                 this.ret += this.ipad + "this." + kname + " = " +   v +";\n";
 532                         }
 533         }
 534
 535
 536
 537
 538
 539         void addWrappedProperties()
 540         {
 541                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 542                 if (cls == null) {
 543                         return;
 544                 }
 545                         // what are the properties of this class???
 546                 this.ret += "\n" + this.ipad + "// set gobject values\n";
 547
 548                 var iter = cls.props.map_iterator();
 549                 while (iter.next()) {
 550                         var p = iter.get_key();
 551                         print("Check Write %s\n", p);
 552                         if (!this.node.has(p)) {
 553                                 continue;
 554                         }
 555                         if (this.shouldIgnoreWrapped(p)) {
 556                                 continue;
 557                         }
 558
 559                                 this.ignore(p);
 560                         var v = this.node.get(p);
 561
 562                         var nodekey = this.node.get_key(p);
 563
 564                         // user defined properties.
 565                         if (nodekey[0] == '#') {
 566                                 continue;
 567                         }
 568
 569
 570
 571                         var is_raw = nodekey[0] == '$';
 572
 573                         // what's the type.. - if it's a string.. then we quote it..
 574                         if (iter.get_value().type == "string" && !is_raw) {
 575                                  v = "\"" +  v.escape("") + "\"";
 576                         }
 577                         if (v == "TRUE" || v == "FALSE") {
 578                                 v = v.down();
 579                         }
 580                         if (iter.get_value().type == "float" && v[v.length-1] != 'f') {
 581                                 v += "f";
 582                         }
 583
 584
 585                         this.ret += "%sthis.el.%s = %s;\n".printf(ipad,p,v); // // %s,  iter.get_value().type);
 586
 587                            // got a property..
 588
 589
 590                 }
 591
 592         }
 593
 594         void addChildren()
 595         {
 596                                 //code
 597                 if (this.node.items.size < 1) {
 598                         return;
 599                 }
 600
 601                         var iter = this.node.items.list_iterator();
 602                 var i = -1;
 603                 while (iter.next()) {
 604                         i++;
 605
 606                                         var ci = iter.get();
 607
 608                         if (ci.xvala_id[0] == '*') {
 609                                                 continue; // skip generation of children?
 610                                         }
 611
 612                                         var xargs = "";
 613                                         if (ci.has("* args")) {
 614
 615                                                 var ar = ci.get("* args").split(",");
 616                                                 for (var ari = 0 ; ari < ar.length; ari++ ) {
 617                                         var arg = ar[ari].split(" ");
 618                                                                 xargs += "," + arg[arg.length -1];
 619                                                 }
 620                                         }
 621
 622                                         this.ret += this.ipad + "var child_" + "%d".printf(i) + " = new " + ci.xvala_xcls +
 623                                         "( _this " + xargs + ");\n" ;
 624
 625                                         this.ret+= this.ipad + "child_" + "%d".printf(i) +".ref();\n"; // we need to reference increase unnamed children...
 626
 627                                         if (ci.has("* prop")) {
 628                                                 this.ret+= ipad + "this.el." + ci.get("* prop") + " = child_" + "%d".printf(i) + ".el;\n";
 629                                                 continue;
 630                                         }
 631
 632                         // not sure why we have 'true' in pack?!?
 633                                         if (!ci.has("pack") || ci.get("pack").down() == "false" || ci.get("pack").down() == "true") {
 634                                                 continue;
 635                                         }
 636
 637                                         string[]  packing =  { "add" };
 638                         if (ci.has("pack")) {
 639                                 packing = ci.get("pack").split(",");
 640                         }
 641
 642                                         var pack = packing[0];
 643                         this.ret += this.ipad + "this.el." + pack.strip() + " (  child_" + "%d".printf(i) + ".el " +
 644                                                            (packing.length > 1 ?
 645                                                                 (", " + string.joinv(",", packing).substring(pack.length+1))
 646                                                         :
 647                                                                         ""
 648                                                                 ) + " );\n";
 649
 650
 651                                         if (ci.xvala_id[0] != '+') {
 652                                                 continue; // skip generation of children?
 653
 654                                         }
 655                                         this.ret+= this.ipad + "this." + ci.xvala_id.substring(1) + " =  child_" + "%d".printf(i) +  ";\n";
 656
 657                 }
 658         }
 659
 660         void addInit()
 661         {
 662
 663
 664                 if (!this.node.has("init")) {
 665                                 return;
 666                 }
 667                 this.ret+= "\n" + ipad + "// init method \n";
 668
 669                 this.ret+= "\n" + ipad + this.padMultiline(ipad, this.node.get("init")) + "\n";
 670
 671          }
 672          void addListeners()
 673          {
 674                 if (this.node.listeners.size < 1) {
 675                         return;
 676                 }
 677
 678
 679
 680                 this.ret+= "\n" + ipad + "// listeners \n";
 681
 682                 var iter = this.node.listeners.map_iterator();
 683                 while (iter.next()) {
 684                         var k = iter.get_key();
 685                         var v = iter.get_value();
 686                                         this.ret+= this.ipad + "this.el." + k + ".connect( " +
 687                                         this.padMultiline(this.ipad,v) +");\n";
 688
 689                                 }
 690         }
 691                 void addEndCtor()
 692         {
 693
 694
 695
 696                         // end ctor..
 697                         this.ret+= this.pad + "}\n";
 698         }
 699
 700
 701         /*
 702  * Standardize this crap...
 703  *
 704  * standard properties (use to set)
 705  *          If they are long values show the dialog..
 706  *
 707  * someprop : ....
 708  * bool is_xxx  :: can show a pulldown.. (true/false)
 709  * string html
 710  * $ string html  = string with value interpolated eg. baseURL + ".."
 711  *  Clutter.ActorAlign x_align  (typed)  -- shows pulldowns if type is ENUM?
 712  * $ untypedvalue = javascript untyped value...
 713  * _ string html ... = translatable..
 714
 715  *
 716  * object properties (not part of the GOjbect being wrapped?
 717  * # Gee.ArrayList<Xcls_fileitem> fileitems
 718  *
 719  * signals
 720  * @ void open
 721  *
 722  * methods -- always text editor..
 723  * | void clearFiles
 724  * | someJSmethod
 725  *
 726  * specials
 727  * * prop -- string
 728  * * args  -- string
 729  * * ctor -- string
 730  * * init -- big string?
 731  *
 732  * event handlers (listeners)
 733  *   just shown
 734  *
 735  * -----------------
 736  * special ID values
 737  *  +XXXX -- indicates it's a instance property / not glob...
 738  *  *XXXX -- skip writing glob property (used as classes that can be created...)
 739  *
 740  *
 741  */
 742
 743         void addUserMethods()
 744         {
 745
 746                 this.ret+= "\n" + pad + "// user defined functions \n";
 747
 748                         // user defined functions...
 749                 var iter = this.node.props.map_iterator();
 750                 while(iter.next()) {
 751                                 var k = iter.get_key();
 752                         if (this.shouldIgnore(k)) {
 753                                 continue;
 754                         }
 755                         // HOW TO DETERIME if its a method?
 756                                 if (k[0] != '|') {
 757                                                 //strbuilder("\n" + pad + "// skip " + k + " - not pipe \n");
 758                                                 continue;
 759                         }
 760                                 // function in the format of {type} (args) { .... }
 761                                 var kk = k.substring(2);
 762                                 var vv = iter.get_value();
 763                                 this.ret += this.pad + "public " + kk + " " + this.padMultiline(this.pad, vv) + "\n";
 764
 765
 766                         }
 767         }
 768
 769         void iterChildren()
 770         {
 771
 772                         if (this.depth > 0) {
 773                         this.ret+= this.inpad + "}\n";
 774                         }
 775
 776                 var iter = this.node.items.list_iterator();
 777                 var i = -1;
 778                 while (iter.next()) {
 779                                 this.ret += this.mungeChild(iter.get());
 780                 }
 781
 782                         if (this.depth < 1) {
 783                                 this.ret+= this.inpad + "}\n";
 784                         }
 785
 786                 }
 787
 788         string padMultiline(string pad, string str)
 789         {
 790                 var ar = str.strip().split("\n");
 791                 return string.joinv("\n" + pad , ar);
 792         }
 793
 794         void ignore(string i) {
 795                 this.ignoreList.add(i);
 796
 797         }
 798         void ignoreWrapped(string i) {
 799                 this.ignoreWrappedList.add(i);
 800
 801         }
 802         bool shouldIgnore(string i)
 803         {
 804                 return ignoreList.contains(i);
 805         }
 806         bool shouldIgnoreWrapped(string i)
 807         {
 808                 return ignoreWrappedList.contains(i);
 809         }
 810
 811 }
 812
 813
 814
 815
 816
 817