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                 node.line = this.cur_line;
  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
  65         public int vcnt = 0;
  66         string toValaNS(Node item)
  67         {
  68                 var ns = item.get("xns") ;
  69                 if (ns == "GtkSource") {
  70                         return "Gtk.Source";
  71                 }
  72                 return ns + ".";
  73         }
  74         public void  toValaName(Node item, int depth =0)
  75         {
  76                 this.vcnt++;
  77
  78                 var ns =  this.toValaNS(item) ;
  79                 var cls = ns + item.get("xtype");
  80
  81
  82                 item.xvala_cls = cls;
  83
  84
  85                 string id = item.get("id").length > 0 ?
  86                         item.get("id") :  "%s%d".printf(item.get("xtype"), this.vcnt);
  87
  88
  89
  90
  91                 if (id[0] == '*' || id[0] == '+') {
  92                         item.xvala_xcls = "Xcls_" + id.substring(1);
  93                 } else {
  94                         item.xvala_xcls = "Xcls_" + id;
  95                 }
  96
  97
  98                 item.xvala_id =  id;
  99                 if (depth > 0) {
 100                         this.vitems.add(item);
 101                 } else if (!item.props.has_key("id")) {
 102                         // use the file name..
 103                         item.xvala_xcls =  this.file.name;
 104                         // is id used?
 105                         item.xvala_id = this.file.name;
 106
 107                 }
 108                 // loop children..
 109
 110                 if (item.items.size < 1) {
 111                         return;
 112                 }
 113                 for(var i =0;i<item.items.size;i++) {
 114                         this.toValaName(item.items.get(i), depth+1);
 115                 }
 116
 117         }
 118         /**
 119          *  Main entry point to convert a file into a string..
 120          */
 121         public static string mungeFile(JsRender file)
 122         {
 123                 if (file.tree == null) {
 124                         return "";
 125                 }
 126
 127                 var n = new NodeToVala(file.tree, 0, null);
 128                 n.file = file;
 129                 n.vcnt = 0;
 130
 131                 n.toValaName(file.tree);
 132
 133
 134                 GLib.debug("top cls %s / xlcs %s\n ",file.tree.xvala_cls,file.tree.xvala_cls);
 135                 n.cls = file.tree.xvala_cls;
 136                 n.xcls = file.tree.xvala_xcls;
 137                 return n.munge();
 138
 139
 140         }
 141
 142         public string munge ( )
 143         {
 144                 //return this.mungeToString(this.node);
 145
 146                 this.ignore("pack");
 147                 this.ignore("init");
 148                 this.ignore("xns");
 149                 this.ignore("xtype");
 150                 this.ignore("id");
 151
 152                 this.globalVars();
 153                 this.classHeader();
 154                 this.addSingleton();
 155                 this.addTopProperties();
 156                 this.addMyVars();
 157                 this.addPlusProperties();
 158                 this.addValaCtor();
 159                 this.addUnderThis();
 160                 this.addWrappedCtor();
 161
 162                 this.addInitMyVars();
 163                 this.addWrappedProperties();
 164                 this.addChildren();
 165                 this.addInit();
 166                 this.addListeners();
 167                 this.addEndCtor();
 168                 this.addUserMethods();
 169                 this.iterChildren();
 170
 171                 return this.ret;
 172
 173
 174         }
 175         public string mungeChild(  Node cnode)
 176         {
 177                 var x = new  NodeToVala(cnode,  this.depth+1, this);
 178                 return x.munge();
 179         }
 180
 181         public void globalVars()
 182         {
 183                 if (this.depth > 0) {
 184                         return;
 185                 }
 186                                 // Global Vars..
 187                                 //this.ret += this.inpad + "public static " + this.xcls + "  " + this.node.xvala_id+ ";\n\n";
 188
 189
 190                 this.ret += this.inpad + "static " + this.xcls + "  _" + this.node.xvala_id+ ";\n\n";
 191
 192
 193         }
 194
 195         void classHeader()
 196         {
 197
 198                         // class header..
 199                         // class xxx {   WrappedGtk  el; }
 200                         this.ret += inpad + "public class " + this.xcls + " : Object \n" + this.inpad + "{\n";
 201                         this.ret +=  this.pad + "public " + this.cls + " el;\n";
 202
 203
 204                         this.ret += this.pad + "private " + this.top.xcls + "  _this;\n\n";
 205
 206
 207
 208                         // singleton
 209         }
 210         void addSingleton()
 211         {
 212                         if (depth > 0) {
 213                         return;
 214                 }
 215                         this.ret += pad + "public static " + xcls + " singleton()\n" +
 216                                 this.pad + "{\n" +
 217                                 this.ipad + "if (_" + this.node.xvala_id  + " == null) {\n" +
 218                                 this.ipad + "    _" + this.node.xvala_id + "= new "+ this.xcls + "();\n" + // what about args?
 219                         this.ipad + "}\n" +
 220                         this.ipad + "return _" + this.node.xvala_id +";\n" +
 221                                 this.pad + "}\n";
 222         }
 223
 224
 225         void addTopProperties()
 226         {
 227                 if (this.depth > 0) {
 228                         return;
 229                 }
 230                 // properties - global..??
 231
 232                 var iter = this.vitems.list_iterator();
 233                 while(iter.next()) {
 234                         var n = iter.get();
 235
 236
 237                                         if (!n.props.has_key("id") || n.xvala_id.length < 0) {
 238                                                 continue;
 239
 240                                         }
 241                                         if (n.xvala_id[0] == '*') {
 242                                                 continue;
 243                                         }
 244                                         if (n.xvala_id[0] == '+') {
 245                                                 continue;
 246                                         }
 247                                         this.ret += this.pad + "public " + n.xvala_xcls + " " + n.xvala_id + ";\n";
 248                                 }
 249
 250         }
 251
 252                 void addMyVars()
 253         {
 254                 this.ret += "\n" + this.ipad + "// my vars (def)\n";
 255
 256
 257
 258                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 259
 260                 if (cls == null) {
 261                         return;
 262                 }
 263
 264
 265                         // Key = TYPE:name
 266                 var iter = this.node.props.map_iterator();
 267                 while (iter.next()) {
 268                                 var k = iter.get_key();
 269                         if (this.shouldIgnore(k)) {
 270                                 continue;
 271                         }
 272                         var vv = k.strip().split(" ");
 273                         // user defined method
 274                         if (vv[0] == "|") {
 275                                 continue;
 276                         }
 277                         if (vv[0] == "*") {
 278                                 continue;
 279                         }
 280
 281                                 if (vv[0] == "@") {
 282                                         this.ret += this.pad + "public signal" + k.substring(1)  + " "  + iter.get_value() + ";\n";
 283                                 this.ignore(k);
 284                                 continue;
 285                                 }
 286                         var min = (vv[0] == "$" || vv[0] == "#") ? 3 : 2;
 287                         if (vv.length < min) {
 288                                 // skip 'old js style properties without a type'
 289                                 continue;
 290                         }
 291
 292                         var kname = vv[vv.length-1];
 293
 294                         if (this.shouldIgnore(kname)) {
 295                                 continue;
 296                         }
 297
 298                         // is it a class property...
 299                         if (cls.props.has_key(kname) && vv[0] != "#") {
 300                                 continue;
 301                         }
 302
 303                         this.myvars.add(k);
 304
 305
 306                         this.ret += this.pad + "public " +
 307                                 (k[0] == '$' || k[0] == '#' ? k.substring(2) : k ) + ";\n";
 308
 309                         this.ignore(k);
 310
 311
 312                 }
 313         }
 314
 315                         // if id of child is '+' then it's a property of this..
 316                 void addPlusProperties()
 317         {
 318                         if (this.node.items.size < 1) {
 319                           return;
 320                 }
 321                 var iter = this.node.items.list_iterator();
 322                 while (iter.next()) {
 323                         var ci = iter.get();
 324
 325                                         if (ci.xvala_id[0] != '+') {
 326                                                 continue; // skip generation of children?
 327
 328                                         }
 329                                         this.ret += this.pad + "public " + ci.xvala_xcls + " " + ci.xvala_id.substring(1) + ";\n";
 330
 331
 332                                 }
 333         }
 334
 335         void addValaCtor()
 336         {
 337
 338
 339                         // .vala props..
 340
 341                         string[] cargs = {};
 342                         var cargs_str = "";
 343                         // ctor..
 344                         this.ret += "\n" + this.pad + "// ctor \n";
 345                         if (this.node.has("* args")) {
 346                                 // not sure what this is supposed to be ding..
 347
 348                                 cargs_str = ", " + this.node.get("* args");
 349                                 //var ar = this.node.get("* args");.split(",");
 350                                 //for (var ari =0; ari < ar.length; ari++) {
 351                                         //      cargs +=  (ar[ari].trim().split(" ").pop();
 352                                           // }
 353                                 }
 354
 355                         if (this.depth < 1) {
 356                                 this.ret += this.pad + "public " + this.xcls + "(" +
 357                                         cargs_str +")\n" + this.pad + "{\n";
 358                         } else {
 359
 360                                                 //code
 361
 362                                 this.ret+= this.pad + "public " + this.xcls + "(" +
 363                                         this.top.xcls + " _owner " + cargs_str + ")\n" + this.pad + "{\n";
 364                         }
 365
 366
 367         }
 368         void addUnderThis()
 369         {
 370                         // public static?
 371                         if (depth < 1) {
 372                         this.ret += this.ipad + "_this = this;\n";
 373                         return;
 374                 }
 375                 this.ret+= this.ipad + "_this = _owner;\n";
 376
 377                 if (this.node.props.has_key("id")
 378                         &&
 379                         this.node.xvala_id != ""
 380                         &&
 381                         this.node.xvala_id[0] != '*'
 382                         &&
 383                         this.node.xvala_id[0] != '+'
 384                         ) {
 385                                 this.ret+= this.ipad + "_this." + node.xvala_id  + " = this;\n";
 386
 387                 }
 388
 389
 390
 391         }
 392
 393         void addWrappedCtor()
 394         {
 395                 // wrapped ctor..
 396                 // this may need to look up properties to fill in the arguments..
 397                 // introspection does not workk..... - as things like gtkmessagedialog
 398                 /*
 399                 if (cls == 'Gtk.Table') {
 400
 401                 var methods = this.palete.getPropertiesFor(cls, 'methods');
 402
 403                 print(JSON.stringify(this.palete.proplist[cls], null,4));
 404                 Seed.quit();
 405                 }
 406                 */
 407                 if (this.node.has("* ctor")) {
 408
 409
 410                                 this.ret +=  this.ipad + "this.el = " + this.node.get("* ctor")+ ";\n";
 411                         return;
 412                 }
 413                 // the ctor arguments...
 414
 415                 // see what the
 416                 //var default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".newv");
 417                 //if (default_ctor == null) {
 418                         var  default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".new");
 419
 420                 //}
 421                 if (default_ctor != null && default_ctor.paramset != null && default_ctor.paramset.params.size > 0) {
 422                         string[] args  = {};
 423                         var iter =default_ctor.paramset.params.list_iterator();
 424                         while (iter.next()) {
 425                                 var n = iter.get().name;
 426                                 if (!this.node.has(n)) {
 427
 428                                         if (iter.get().type.contains("int")) {
 429                                                 args += "0";
 430                                                 continue;
 431                                         }
 432                                         if (iter.get().type.contains("float")) {
 433                                                 args += "0f";
 434                                                 continue;
 435                                         }
 436                                         if (iter.get().type.contains("bool")) {
 437                                                 args += "true"; // always default to true?
 438                                                 continue;
 439                                         }
 440                                         // any other types???
 441
 442                                         args += "null";
 443                                         continue;
 444                                 }
 445                                 this.ignoreWrapped(n);
 446                                 this.ignore(n);
 447
 448                                 var v = this.node.get(n);
 449
 450                                 if (iter.get().type == "string") {
 451                                         v = "\"" +  v.escape("") + "\"";
 452                                 }
 453                                 if (v == "TRUE" || v == "FALSE") {
 454                                         v = v.down();
 455                                 }
 456
 457
 458                                 args += v;
 459
 460                         }
 461                         this.ret += this.ipad + "this.el = new " + cls + "( "+ string.joinv(", ",args) + " );\n" ;
 462                         return;
 463
 464                 }
 465
 466
 467                                 this.ret += this.ipad + "this.el = new " + this.cls + "();\n";
 468
 469
 470         }
 471
 472         void addInitMyVars()
 473         {
 474                         //var meths = this.palete.getPropertiesFor(item['|xns'] + '.' + item.xtype, 'methods');
 475                         //print(JSON.stringify(meths,null,4));Seed.quit();
 476
 477
 478
 479                         // initialize.. my vars..
 480                 this.ret += "\n" + this.ipad + "// my vars (dec)\n";
 481
 482                 var iter = this.myvars.list_iterator();
 483                 while(iter.next()) {
 484
 485                                 var k = iter.get();
 486
 487                                 var ar  = k.strip().split(" ");
 488                         var kname = ar[ar.length-1];
 489
 490                                 var v = this.node.props.get(k);
 491                         // ignore signals..
 492                                 if (v.length < 1) {
 493                                                 continue;
 494                                 }
 495                         if (v == "FALSE" || v == "TRUE") {
 496                                 v = v.down();
 497                         }
 498 //FIXME -- check for raw string.. "string XXXX"
 499
 500                         // if it's a string...
 501
 502                                 this.ret += this.ipad + "this." + kname + " = " +   v +";\n";
 503                         }
 504         }
 505
 506
 507
 508
 509
 510         void addWrappedProperties()
 511         {
 512                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 513                 if (cls == null) {
 514                         return;
 515                 }
 516                         // what are the properties of this class???
 517                 this.ret += "\n" + this.ipad + "// set gobject values\n";
 518
 519                 var iter = cls.props.map_iterator();
 520                 while (iter.next()) {
 521                         var p = iter.get_key();
 522                         print("Check Write %s\n", p);
 523                         if (!this.node.has(p)) {
 524                                 continue;
 525                         }
 526                         if (this.shouldIgnoreWrapped(p)) {
 527                                 continue;
 528                         }
 529
 530                                 this.ignore(p);
 531                         var v = this.node.get(p);
 532
 533                         var nodekey = this.node.get_key(p);
 534
 535                         // user defined properties.
 536                         if (nodekey[0] == '#') {
 537                                 continue;
 538                         }
 539
 540
 541
 542                         var is_raw = nodekey[0] == '$';
 543
 544                         // what's the type.. - if it's a string.. then we quote it..
 545                         if (iter.get_value().type == "string" && !is_raw) {
 546                                  v = "\"" +  v.escape("") + "\"";
 547                         }
 548                         if (v == "TRUE" || v == "FALSE") {
 549                                 v = v.down();
 550                         }
 551                         if (iter.get_value().type == "float" && v[v.length-1] != 'f') {
 552                                 v += "f";
 553                         }
 554
 555
 556                         this.ret += "%sthis.el.%s = %s;\n".printf(ipad,p,v); // // %s,  iter.get_value().type);
 557
 558                            // got a property..
 559
 560
 561                 }
 562
 563         }
 564
 565         void addChildren()
 566         {
 567                                 //code
 568                 if (this.node.items.size < 1) {
 569                         return;
 570                 }
 571
 572                         var iter = this.node.items.list_iterator();
 573                 var i = -1;
 574                 while (iter.next()) {
 575                         i++;
 576
 577                                         var ci = iter.get();
 578
 579                         if (ci.xvala_id[0] == '*') {
 580                                                 continue; // skip generation of children?
 581                                         }
 582
 583                                         var xargs = "";
 584                                         if (ci.has("* args")) {
 585
 586                                                 var ar = ci.get("* args").split(",");
 587                                                 for (var ari = 0 ; ari < ar.length; ari++ ) {
 588                                         var arg = ar[ari].split(" ");
 589                                                                 xargs += "," + arg[arg.length -1];
 590                                                 }
 591                                         }
 592
 593                                         this.ret += this.ipad + "var child_" + "%d".printf(i) + " = new " + ci.xvala_xcls +
 594                                         "( _this " + xargs + ");\n" ;
 595
 596                                         this.ret+= this.ipad + "child_" + "%d".printf(i) +".ref();\n"; // we need to reference increase unnamed children...
 597
 598                                         if (ci.has("* prop")) {
 599                                                 this.ret+= ipad + "this.el." + ci.get("* prop") + " = child_" + "%d".printf(i) + ".el;\n";
 600                                                 continue;
 601                                         }
 602
 603                         // not sure why we have 'true' in pack?!?
 604                                         if (!ci.has("pack") || ci.get("pack").down() == "false" || ci.get("pack").down() == "true") {
 605                                                 continue;
 606                                         }
 607
 608                                         string[]  packing =  { "add" };
 609                         if (ci.has("pack")) {
 610                                 packing = ci.get("pack").split(",");
 611                         }
 612
 613                                         var pack = packing[0];
 614                         this.ret += this.ipad + "this.el." + pack.strip() + " (  child_" + "%d".printf(i) + ".el " +
 615                                                            (packing.length > 1 ?
 616                                                                 (", " + string.joinv(",", packing).substring(pack.length+1))
 617                                                         :
 618                                                                         ""
 619                                                                 ) + " );\n";
 620
 621
 622                                         if (ci.xvala_id[0] != '+') {
 623                                                 continue; // skip generation of children?
 624
 625                                         }
 626                                         this.ret+= this.ipad + "this." + ci.xvala_id.substring(1) + " =  child_" + "%d".printf(i) +  ";\n";
 627
 628                 }
 629         }
 630
 631         void addInit()
 632         {
 633
 634
 635                 if (!this.node.has("init")) {
 636                                 return;
 637                 }
 638                 this.ret+= "\n" + ipad + "// init method \n";
 639
 640                 this.ret+= "\n" + ipad + this.padMultiline(ipad, this.node.get("init")) + "\n";
 641
 642          }
 643          void addListeners()
 644          {
 645                 if (this.node.listeners.size < 1) {
 646                         return;
 647                 }
 648
 649
 650
 651                 this.ret+= "\n" + ipad + "// listeners \n";
 652
 653                 var iter = this.node.listeners.map_iterator();
 654                 while (iter.next()) {
 655                         var k = iter.get_key();
 656                         var v = iter.get_value();
 657                                         this.ret+= this.ipad + "this.el." + k + ".connect( " +
 658                                         this.padMultiline(this.ipad,v) +");\n";
 659
 660                                 }
 661         }
 662                 void addEndCtor()
 663         {
 664
 665
 666
 667                         // end ctor..
 668                         this.ret+= this.pad + "}\n";
 669         }
 670
 671
 672         /*
 673  * Standardize this crap...
 674  *
 675  * standard properties (use to set)
 676  *          If they are long values show the dialog..
 677  *
 678  * someprop : ....
 679  * bool is_xxx  :: can show a pulldown.. (true/false)
 680  * string html
 681  * $ string html  = string with value interpolated eg. baseURL + ".."
 682  *  Clutter.ActorAlign x_align  (typed)  -- shows pulldowns if type is ENUM?
 683  * $ untypedvalue = javascript untyped value...
 684  * _ string html ... = translatable..
 685
 686  *
 687  * object properties (not part of the GOjbect being wrapped?
 688  * # Gee.ArrayList<Xcls_fileitem> fileitems
 689  *
 690  * signals
 691  * @ void open
 692  *
 693  * methods -- always text editor..
 694  * | void clearFiles
 695  * | someJSmethod
 696  *
 697  * specials
 698  * * prop -- string
 699  * * args  -- string
 700  * * ctor -- string
 701  * * init -- big string?
 702  *
 703  * event handlers (listeners)
 704  *   just shown
 705  *
 706  * -----------------
 707  * special ID values
 708  *  +XXXX -- indicates it's a instance property / not glob...
 709  *  *XXXX -- skip writing glob property (used as classes that can be created...)
 710  *
 711  *
 712  */
 713
 714         void addUserMethods()
 715         {
 716
 717                 this.ret+= "\n" + pad + "// user defined functions \n";
 718
 719                         // user defined functions...
 720                 var iter = this.node.props.map_iterator();
 721                 while(iter.next()) {
 722                                 var k = iter.get_key();
 723                         if (this.shouldIgnore(k)) {
 724                                 continue;
 725                         }
 726                         // HOW TO DETERIME if its a method?
 727                                 if (k[0] != '|') {
 728                                                 //strbuilder("\n" + pad + "// skip " + k + " - not pipe \n");
 729                                                 continue;
 730                         }
 731                                 // function in the format of {type} (args) { .... }
 732                                 var kk = k.substring(2);
 733                                 var vv = iter.get_value();
 734                                 this.ret += this.pad + "public " + kk + " " + this.padMultiline(this.pad, vv) + "\n";
 735
 736
 737                         }
 738         }
 739
 740         void iterChildren()
 741         {
 742
 743                         if (this.depth > 0) {
 744                         this.ret+= this.inpad + "}\n";
 745                         }
 746
 747                 var iter = this.node.items.list_iterator();
 748                 var i = -1;
 749                 while (iter.next()) {
 750                                 this.ret += this.mungeChild(iter.get());
 751                 }
 752
 753                         if (this.depth < 1) {
 754                                 this.ret+= this.inpad + "}\n";
 755                         }
 756
 757                 }
 758
 759         string padMultiline(string pad, string str)
 760         {
 761                 var ar = str.strip().split("\n");
 762                 return string.joinv("\n" + pad , ar);
 763         }
 764
 765         void ignore(string i) {
 766                 this.ignoreList.add(i);
 767
 768         }
 769         void ignoreWrapped(string i) {
 770                 this.ignoreWrappedList.add(i);
 771
 772         }
 773         bool shouldIgnore(string i)
 774         {
 775                 return ignoreList.contains(i);
 776         }
 777         bool shouldIgnoreWrapped(string i)
 778         {
 779                 return ignoreWrappedList.contains(i);
 780         }
 781
 782 }
 783
 784
 785
 786
 787
 788