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.node.line = this.cur_line;
 216                 this.addLine(inpad + "public class " + this.xcls + " : Object \n" + this.inpad + "{");
 217
 218
 219                 this.addLine(this.pad + "public " + this.cls + " el;");
 220
 221                 this.addLine(this.pad + "private " + this.top.xcls + "  _this;)";
 222                 this.addLine();
 223
 224
 225
 226                         // singleton
 227         }
 228         void addSingleton()
 229         {
 230                 if (depth > 0) {
 231                         return;
 232                 }
 233                 this.addLine(pad + "public static " + xcls + " singleton()");
 234                 this.addLine(this.pad + "{")
 235                 this.addLine(this.ipad +    "if (_" + this.node.xvala_id  + " == null) {");
 236                 this.addLine(this.ipad +    "    _" + this.node.xvala_id + "= new "+ this.xcls + "();");  // what about args?
 237                 this.addLine(this.ipad +    "}");
 238                 this.addLine(this.ipad +    "return _" + this.node.xvala_id +";");
 239                 this.addLine(this.pad + "}");
 240         }
 241
 242         /**
 243          * when ID is used... on an element, it registeres a property on the top level...
 244          * so that _this.ID always works..
 245          *
 246          */
 247         void addTopProperties()
 248         {
 249                 if (this.depth > 0) {
 250                         return;
 251                 }
 252                 // properties - global..??
 253
 254                 var iter = this.vitems.list_iterator();
 255                 while(iter.next()) {
 256                         var n = iter.get();
 257
 258
 259                         if (!n.props.has_key("id") || n.xvala_id.length < 0) {
 260                                 continue;
 261
 262                         }
 263                         if (n.xvala_id[0] == '*') {
 264                                 continue;
 265                         }
 266                         if (n.xvala_id[0] == '+') {
 267                                 continue;
 268                         }
 269                         this.addLine(this.pad + "public " + n.xvala_xcls + " " + n.xvala_id + ";");
 270
 271                 }
 272
 273         }
 274         /**
 275          * create properties that are not 'part of the wrapped element.
 276          *
 277          *
 278          */
 279
 280         void addMyVars()
 281         {
 282                 this.addLine();
 283                 this.addLine(this.ipad + "// my vars (def)");
 284
 285
 286
 287                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 288
 289                 if (cls == null) {
 290                         return;
 291                 }
 292
 293
 294                         // Key = TYPE:name
 295                 var iter = this.node.props.map_iterator();
 296                 while (iter.next()) {
 297                         var k = iter.get_key();
 298                         if (this.shouldIgnore(k)) {
 299                                 continue;
 300                         }
 301                         var vv = k.strip().split(" ");
 302                         // user defined method
 303                         if (vv[0] == "|") {
 304                                 continue;
 305                         }
 306                         if (vv[0] == "*") {
 307                                 continue;
 308                         }
 309
 310                         if (vv[0] == "@") {
 311                                 this.node.proplines.set(k, this.cur_line);
 312                                 this.addLine(this.pad + "public signal" + k.substring(1)  + " "  + iter.get_value() + ";");
 313
 314                                 this.ignore(k);
 315                                 continue;
 316                         }
 317                         var min = (vv[0] == "$" || vv[0] == "#") ? 3 : 2;
 318                         if (vv.length < min) {
 319                                 // skip 'old js style properties without a type'
 320                                 continue;
 321                         }
 322
 323                         var kname = vv[vv.length-1];
 324
 325                         if (this.shouldIgnore(kname)) {
 326                                 continue;
 327                         }
 328
 329                         // is it a class property...
 330                         if (cls.props.has_key(kname) && vv[0] != "#") {
 331                                 continue;
 332                         }
 333
 334                         this.myvars.add(k);
 335
 336
 337                         this.ret += this.pad + "public " +
 338                                 (k[0] == '$' || k[0] == '#' ? k.substring(2) : k ) + ";\n";
 339
 340                         this.ignore(k);
 341
 342
 343                 }
 344         }
 345
 346                         // if id of child is '+' then it's a property of this..
 347                 void addPlusProperties()
 348         {
 349                         if (this.node.items.size < 1) {
 350                           return;
 351                 }
 352                 var iter = this.node.items.list_iterator();
 353                 while (iter.next()) {
 354                         var ci = iter.get();
 355
 356                                         if (ci.xvala_id[0] != '+') {
 357                                                 continue; // skip generation of children?
 358
 359                                         }
 360                                         this.ret += this.pad + "public " + ci.xvala_xcls + " " + ci.xvala_id.substring(1) + ";\n";
 361
 362
 363                                 }
 364         }
 365
 366         void addValaCtor()
 367         {
 368
 369
 370                         // .vala props..
 371
 372                         string[] cargs = {};
 373                         var cargs_str = "";
 374                         // ctor..
 375                         this.ret += "\n" + this.pad + "// ctor \n";
 376                         if (this.node.has("* args")) {
 377                                 // not sure what this is supposed to be ding..
 378
 379                                 cargs_str = ", " + this.node.get("* args");
 380                                 //var ar = this.node.get("* args");.split(",");
 381                                 //for (var ari =0; ari < ar.length; ari++) {
 382                                         //      cargs +=  (ar[ari].trim().split(" ").pop();
 383                                           // }
 384                                 }
 385
 386                         if (this.depth < 1) {
 387                                 this.ret += this.pad + "public " + this.xcls + "(" +
 388                                         cargs_str +")\n" + this.pad + "{\n";
 389                         } else {
 390
 391                                                 //code
 392
 393                                 this.ret+= this.pad + "public " + this.xcls + "(" +
 394                                         this.top.xcls + " _owner " + cargs_str + ")\n" + this.pad + "{\n";
 395                         }
 396
 397
 398         }
 399         void addUnderThis()
 400         {
 401                         // public static?
 402                         if (depth < 1) {
 403                         this.ret += this.ipad + "_this = this;\n";
 404                         return;
 405                 }
 406                 this.ret+= this.ipad + "_this = _owner;\n";
 407
 408                 if (this.node.props.has_key("id")
 409                         &&
 410                         this.node.xvala_id != ""
 411                         &&
 412                         this.node.xvala_id[0] != '*'
 413                         &&
 414                         this.node.xvala_id[0] != '+'
 415                         ) {
 416                                 this.ret+= this.ipad + "_this." + node.xvala_id  + " = this;\n";
 417
 418                 }
 419
 420
 421
 422         }
 423
 424         void addWrappedCtor()
 425         {
 426                 // wrapped ctor..
 427                 // this may need to look up properties to fill in the arguments..
 428                 // introspection does not workk..... - as things like gtkmessagedialog
 429                 /*
 430                 if (cls == 'Gtk.Table') {
 431
 432                 var methods = this.palete.getPropertiesFor(cls, 'methods');
 433
 434                 print(JSON.stringify(this.palete.proplist[cls], null,4));
 435                 Seed.quit();
 436                 }
 437                 */
 438                 if (this.node.has("* ctor")) {
 439
 440
 441                                 this.ret +=  this.ipad + "this.el = " + this.node.get("* ctor")+ ";\n";
 442                         return;
 443                 }
 444                 // the ctor arguments...
 445
 446                 // see what the
 447                 //var default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".newv");
 448                 //if (default_ctor == null) {
 449                         var  default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".new");
 450
 451                 //}
 452                 if (default_ctor != null && default_ctor.paramset != null && default_ctor.paramset.params.size > 0) {
 453                         string[] args  = {};
 454                         var iter =default_ctor.paramset.params.list_iterator();
 455                         while (iter.next()) {
 456                                 var n = iter.get().name;
 457                                 if (!this.node.has(n)) {
 458
 459                                         if (iter.get().type.contains("int")) {
 460                                                 args += "0";
 461                                                 continue;
 462                                         }
 463                                         if (iter.get().type.contains("float")) {
 464                                                 args += "0f";
 465                                                 continue;
 466                                         }
 467                                         if (iter.get().type.contains("bool")) {
 468                                                 args += "true"; // always default to true?
 469                                                 continue;
 470                                         }
 471                                         // any other types???
 472
 473                                         args += "null";
 474                                         continue;
 475                                 }
 476                                 this.ignoreWrapped(n);
 477                                 this.ignore(n);
 478
 479                                 var v = this.node.get(n);
 480
 481                                 if (iter.get().type == "string") {
 482                                         v = "\"" +  v.escape("") + "\"";
 483                                 }
 484                                 if (v == "TRUE" || v == "FALSE") {
 485                                         v = v.down();
 486                                 }
 487
 488
 489                                 args += v;
 490
 491                         }
 492                         this.ret += this.ipad + "this.el = new " + cls + "( "+ string.joinv(", ",args) + " );\n" ;
 493                         return;
 494
 495                 }
 496
 497
 498                                 this.ret += this.ipad + "this.el = new " + this.cls + "();\n";
 499
 500
 501         }
 502
 503         void addInitMyVars()
 504         {
 505                         //var meths = this.palete.getPropertiesFor(item['|xns'] + '.' + item.xtype, 'methods');
 506                         //print(JSON.stringify(meths,null,4));Seed.quit();
 507
 508
 509
 510                         // initialize.. my vars..
 511                 this.ret += "\n" + this.ipad + "// my vars (dec)\n";
 512
 513                 var iter = this.myvars.list_iterator();
 514                 while(iter.next()) {
 515
 516                                 var k = iter.get();
 517
 518                                 var ar  = k.strip().split(" ");
 519                         var kname = ar[ar.length-1];
 520
 521                                 var v = this.node.props.get(k);
 522                         // ignore signals..
 523                                 if (v.length < 1) {
 524                                                 continue;
 525                                 }
 526                         if (v == "FALSE" || v == "TRUE") {
 527                                 v = v.down();
 528                         }
 529 //FIXME -- check for raw string.. "string XXXX"
 530
 531                         // if it's a string...
 532
 533                                 this.ret += this.ipad + "this." + kname + " = " +   v +";\n";
 534                         }
 535         }
 536
 537
 538
 539
 540
 541         void addWrappedProperties()
 542         {
 543                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 544                 if (cls == null) {
 545                         return;
 546                 }
 547                         // what are the properties of this class???
 548                 this.ret += "\n" + this.ipad + "// set gobject values\n";
 549
 550                 var iter = cls.props.map_iterator();
 551                 while (iter.next()) {
 552                         var p = iter.get_key();
 553                         print("Check Write %s\n", p);
 554                         if (!this.node.has(p)) {
 555                                 continue;
 556                         }
 557                         if (this.shouldIgnoreWrapped(p)) {
 558                                 continue;
 559                         }
 560
 561                                 this.ignore(p);
 562                         var v = this.node.get(p);
 563
 564                         var nodekey = this.node.get_key(p);
 565
 566                         // user defined properties.
 567                         if (nodekey[0] == '#') {
 568                                 continue;
 569                         }
 570
 571
 572
 573                         var is_raw = nodekey[0] == '$';
 574
 575                         // what's the type.. - if it's a string.. then we quote it..
 576                         if (iter.get_value().type == "string" && !is_raw) {
 577                                  v = "\"" +  v.escape("") + "\"";
 578                         }
 579                         if (v == "TRUE" || v == "FALSE") {
 580                                 v = v.down();
 581                         }
 582                         if (iter.get_value().type == "float" && v[v.length-1] != 'f') {
 583                                 v += "f";
 584                         }
 585
 586
 587                         this.ret += "%sthis.el.%s = %s;\n".printf(ipad,p,v); // // %s,  iter.get_value().type);
 588
 589                            // got a property..
 590
 591
 592                 }
 593
 594         }
 595
 596         void addChildren()
 597         {
 598                                 //code
 599                 if (this.node.items.size < 1) {
 600                         return;
 601                 }
 602
 603                         var iter = this.node.items.list_iterator();
 604                 var i = -1;
 605                 while (iter.next()) {
 606                         i++;
 607
 608                                         var ci = iter.get();
 609
 610                         if (ci.xvala_id[0] == '*') {
 611                                                 continue; // skip generation of children?
 612                                         }
 613
 614                                         var xargs = "";
 615                                         if (ci.has("* args")) {
 616
 617                                                 var ar = ci.get("* args").split(",");
 618                                                 for (var ari = 0 ; ari < ar.length; ari++ ) {
 619                                         var arg = ar[ari].split(" ");
 620                                                                 xargs += "," + arg[arg.length -1];
 621                                                 }
 622                                         }
 623
 624                                         this.ret += this.ipad + "var child_" + "%d".printf(i) + " = new " + ci.xvala_xcls +
 625                                         "( _this " + xargs + ");\n" ;
 626
 627                                         this.ret+= this.ipad + "child_" + "%d".printf(i) +".ref();\n"; // we need to reference increase unnamed children...
 628
 629                                         if (ci.has("* prop")) {
 630                                                 this.ret+= ipad + "this.el." + ci.get("* prop") + " = child_" + "%d".printf(i) + ".el;\n";
 631                                                 continue;
 632                                         }
 633
 634                         // not sure why we have 'true' in pack?!?
 635                                         if (!ci.has("pack") || ci.get("pack").down() == "false" || ci.get("pack").down() == "true") {
 636                                                 continue;
 637                                         }
 638
 639                                         string[]  packing =  { "add" };
 640                         if (ci.has("pack")) {
 641                                 packing = ci.get("pack").split(",");
 642                         }
 643
 644                                         var pack = packing[0];
 645                         this.ret += this.ipad + "this.el." + pack.strip() + " (  child_" + "%d".printf(i) + ".el " +
 646                                                            (packing.length > 1 ?
 647                                                                 (", " + string.joinv(",", packing).substring(pack.length+1))
 648                                                         :
 649                                                                         ""
 650                                                                 ) + " );\n";
 651
 652
 653                                         if (ci.xvala_id[0] != '+') {
 654                                                 continue; // skip generation of children?
 655
 656                                         }
 657                                         this.ret+= this.ipad + "this." + ci.xvala_id.substring(1) + " =  child_" + "%d".printf(i) +  ";\n";
 658
 659                 }
 660         }
 661
 662         void addInit()
 663         {
 664
 665
 666                 if (!this.node.has("init")) {
 667                                 return;
 668                 }
 669                 this.ret+= "\n" + ipad + "// init method \n";
 670
 671                 this.ret+= "\n" + ipad + this.padMultiline(ipad, this.node.get("init")) + "\n";
 672
 673          }
 674          void addListeners()
 675          {
 676                 if (this.node.listeners.size < 1) {
 677                         return;
 678                 }
 679
 680
 681
 682                 this.ret+= "\n" + ipad + "// listeners \n";
 683
 684                 var iter = this.node.listeners.map_iterator();
 685                 while (iter.next()) {
 686                         var k = iter.get_key();
 687                         var v = iter.get_value();
 688                                         this.ret+= this.ipad + "this.el." + k + ".connect( " +
 689                                         this.padMultiline(this.ipad,v) +");\n";
 690
 691                                 }
 692         }
 693                 void addEndCtor()
 694         {
 695
 696
 697
 698                         // end ctor..
 699                         this.ret+= this.pad + "}\n";
 700         }
 701
 702
 703         /*
 704  * Standardize this crap...
 705  *
 706  * standard properties (use to set)
 707  *          If they are long values show the dialog..
 708  *
 709  * someprop : ....
 710  * bool is_xxx  :: can show a pulldown.. (true/false)
 711  * string html
 712  * $ string html  = string with value interpolated eg. baseURL + ".."
 713  *  Clutter.ActorAlign x_align  (typed)  -- shows pulldowns if type is ENUM?
 714  * $ untypedvalue = javascript untyped value...
 715  * _ string html ... = translatable..
 716
 717  *
 718  * object properties (not part of the GOjbect being wrapped?
 719  * # Gee.ArrayList<Xcls_fileitem> fileitems
 720  *
 721  * signals
 722  * @ void open
 723  *
 724  * methods -- always text editor..
 725  * | void clearFiles
 726  * | someJSmethod
 727  *
 728  * specials
 729  * * prop -- string
 730  * * args  -- string
 731  * * ctor -- string
 732  * * init -- big string?
 733  *
 734  * event handlers (listeners)
 735  *   just shown
 736  *
 737  * -----------------
 738  * special ID values
 739  *  +XXXX -- indicates it's a instance property / not glob...
 740  *  *XXXX -- skip writing glob property (used as classes that can be created...)
 741  *
 742  *
 743  */
 744
 745         void addUserMethods()
 746         {
 747
 748                 this.ret+= "\n" + pad + "// user defined functions \n";
 749
 750                         // user defined functions...
 751                 var iter = this.node.props.map_iterator();
 752                 while(iter.next()) {
 753                                 var k = iter.get_key();
 754                         if (this.shouldIgnore(k)) {
 755                                 continue;
 756                         }
 757                         // HOW TO DETERIME if its a method?
 758                                 if (k[0] != '|') {
 759                                                 //strbuilder("\n" + pad + "// skip " + k + " - not pipe \n");
 760                                                 continue;
 761                         }
 762                                 // function in the format of {type} (args) { .... }
 763                                 var kk = k.substring(2);
 764                                 var vv = iter.get_value();
 765                                 this.ret += this.pad + "public " + kk + " " + this.padMultiline(this.pad, vv) + "\n";
 766
 767
 768                         }
 769         }
 770
 771         void iterChildren()
 772         {
 773
 774                         if (this.depth > 0) {
 775                         this.ret+= this.inpad + "}\n";
 776                         }
 777
 778                 var iter = this.node.items.list_iterator();
 779                 var i = -1;
 780                 while (iter.next()) {
 781                                 this.ret += this.mungeChild(iter.get());
 782                 }
 783
 784                         if (this.depth < 1) {
 785                                 this.ret+= this.inpad + "}\n";
 786                         }
 787
 788                 }
 789
 790         string padMultiline(string pad, string str)
 791         {
 792                 var ar = str.strip().split("\n");
 793                 return string.joinv("\n" + pad , ar);
 794         }
 795
 796         void ignore(string i) {
 797                 this.ignoreList.add(i);
 798
 799         }
 800         void ignoreWrapped(string i) {
 801                 this.ignoreWrappedList.add(i);
 802
 803         }
 804         bool shouldIgnore(string i)
 805         {
 806                 return ignoreList.contains(i);
 807         }
 808         bool shouldIgnoreWrapped(string i)
 809         {
 810                 return ignoreWrappedList.contains(i);
 811         }
 812
 813 }
 814
 815
 816
 817
 818
 819