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 public class JsRender.NodeToVala : Object {
  13
  14          Node node;
  15
  16         int depth;
  17         string inpad;
  18         string pad;
  19         string ipad;
  20         string cls;
  21         string xcls;
  22
  23         string ret;
  24
  25         Gee.ArrayList<string> ignoreList;
  26         Gee.ArrayList<string> ignoreWrappedList;
  27         Gee.ArrayList<string> myvars;
  28         Gee.ArrayList<Node> vitems; // top level items
  29         NodeToVala top;
  30         JsRender file;
  31
  32         public NodeToVala( Node node,  int depth, NodeToVala? top)
  33         {
  34
  35
  36                 this.node = node;
  37                 this.depth = depth;
  38                 this.inpad = string.nfill(depth > 0 ? 4 : 0, ' ');
  39                 this.pad = this.inpad + "    ";
  40                 this.ipad = this.inpad + "        ";
  41                 this.cls = node.xvala_cls;
  42                 this.xcls = node.xvala_xcls;
  43                 this.ret = "";
  44                 this.top = top == null ? this : top;
  45                 this.ignoreList = new Gee.ArrayList<string>();
  46                 this.ignoreWrappedList  = new Gee.ArrayList<string>();
  47                 this.myvars = new Gee.ArrayList<string>();
  48                 this.vitems = new Gee.ArrayList<Node>();
  49                 this.file = null;
  50         }
  51
  52         public int vcnt = 0;
  53         string toValaNS(Node item)
  54         {
  55                 var ns = item.get("xns") ;
  56                 if (ns == "GtkSource") {
  57                         return "Gtk.Source";
  58                 }
  59                 return ns + ".";
  60         }
  61         public void  toValaName(Node item, int depth =0)
  62         {
  63                 this.vcnt++;
  64
  65                 var ns =  this.toValaNS(item) ;
  66                 var cls = ns + item.get("xtype");
  67
  68
  69                 item.xvala_cls = cls;
  70
  71
  72                 string id = item.get("id").length > 0 ?
  73                         item.get("id") :  "%s%d".printf(item.get("xtype"), this.vcnt);
  74
  75
  76
  77
  78                 if (id[0] == '*' || id[0] == '+') {
  79                         item.xvala_xcls = "Xcls_" + id.substring(1);
  80                 } else {
  81                         item.xvala_xcls = "Xcls_" + id;
  82                 }
  83
  84
  85                 item.xvala_id =  id;
  86                 if (depth > 0) {
  87                         this.vitems.add(item);
  88                 } else if (!item.props.has_key("id")) {
  89                         // use the file name..
  90                         item.xvala_xcls =  this.file.name;
  91                         // is id used?
  92                         item.xvala_id = this.file.name;
  93
  94                 }
  95                 // loop children..
  96
  97                 if (item.items.size < 1) {
  98                         return;
  99                 }
 100                 for(var i =0;i<item.items.size;i++) {
 101                         this.toValaName(item.items.get(i), depth+1);
 102                 }
 103
 104         }
 105         /**
 106          *  Main entry point to convert a file into a string..
 107          */
 108         public static string mungeFile(JsRender file)
 109         {
 110                 if (file.tree == null) {
 111                         return "";
 112                 }
 113
 114                 var n = new NodeToVala(file.tree, 0, null);
 115                 n.file = file;
 116                 n.vcnt = 0;
 117
 118                 n.toValaName(file.tree);
 119
 120
 121                 GLib.debug("top cls %s / xlcs %s\n ",file.tree.xvala_cls,file.tree.xvala_cls);
 122                 n.cls = file.tree.xvala_cls;
 123                 n.xcls = file.tree.xvala_xcls;
 124                 return n.munge();
 125
 126
 127         }
 128
 129         public string munge ( )
 130         {
 131                 //return this.mungeToString(this.node);
 132
 133                 this.ignore("pack");
 134                 this.ignore("init");
 135                 this.ignore("xns");
 136                 this.ignore("xtype");
 137                 this.ignore("id");
 138
 139                 this.globalVars();
 140                 this.classHeader();
 141                 this.addSingleton();
 142                 this.addTopProperties();
 143                 this.addMyVars();
 144                 this.addPlusProperties();
 145                 this.addValaCtor();
 146                 this.addUnderThis();
 147                 this.addWrappedCtor();
 148
 149                 this.addInitMyVars();
 150                 this.addWrappedProperties();
 151                 this.addChildren();
 152                 this.addInit();
 153                 this.addListeners();
 154                 this.addEndCtor();
 155                 this.addUserMethods();
 156                 this.iterChildren();
 157
 158                 return this.ret;
 159
 160
 161         }
 162         public string mungeChild(  Node cnode)
 163         {
 164                 var x = new  NodeToVala(cnode,  this.depth+1, this.top);
 165                 return x.munge();
 166         }
 167
 168         public void globalVars()
 169         {
 170                 if (this.depth > 0) {
 171                         return;
 172                 }
 173                                 // Global Vars..
 174                                 //this.ret += this.inpad + "public static " + this.xcls + "  " + this.node.xvala_id+ ";\n\n";
 175
 176
 177                 this.ret += this.inpad + "static " + this.xcls + "  _" + this.node.xvala_id+ ";\n\n";
 178
 179
 180         }
 181
 182         void classHeader()
 183         {
 184
 185                         // class header..
 186                         // class xxx {   WrappedGtk  el; }
 187                         this.ret += inpad + "public class " + this.xcls + " : Object \n" + this.inpad + "{\n";
 188                         this.ret +=  this.pad + "public " + this.cls + " el;\n";
 189
 190
 191                         this.ret += this.pad + "private " + this.top.xcls + "  _this;\n\n";
 192
 193
 194
 195                         // singleton
 196         }
 197         void addSingleton()
 198         {
 199                         if (depth > 0) {
 200                         return;
 201                 }
 202                         this.ret += pad + "public static " + xcls + " singleton()\n" +
 203                                 this.pad + "{\n" +
 204                                 this.ipad + "if (_" + this.node.xvala_id  + " == null) {\n" +
 205                                 this.ipad + "    _" + this.node.xvala_id + "= new "+ this.xcls + "();\n" + // what about args?
 206                         this.ipad + "}\n" +
 207                         this.ipad + "return _" + this.node.xvala_id +";\n" +
 208                                 this.pad + "}\n";
 209         }
 210
 211
 212         void addTopProperties()
 213         {
 214                 if (this.depth > 0) {
 215                         return;
 216                 }
 217                 // properties - global..??
 218
 219                 var iter = this.vitems.list_iterator();
 220                 while(iter.next()) {
 221                         var n = iter.get();
 222
 223
 224                                         if (!n.props.has_key("id") || n.xvala_id.length < 0) {
 225                                                 continue;
 226
 227                                         }
 228                                         if (n.xvala_id[0] == '*') {
 229                                                 continue;
 230                                         }
 231                                         if (n.xvala_id[0] == '+') {
 232                                                 continue;
 233                                         }
 234                                         this.ret += this.pad + "public " + n.xvala_xcls + " " + n.xvala_id + ";\n";
 235                                 }
 236
 237         }
 238
 239                 void addMyVars()
 240         {
 241                 this.ret += "\n" + this.ipad + "// my vars (def)\n";
 242
 243
 244
 245                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 246
 247                 if (cls == null) {
 248                         return;
 249                 }
 250
 251
 252                         // Key = TYPE:name
 253                 var iter = this.node.props.map_iterator();
 254                 while (iter.next()) {
 255                                 var k = iter.get_key();
 256                         if (this.shouldIgnore(k)) {
 257                                 continue;
 258                         }
 259                         var vv = k.strip().split(" ");
 260                         // user defined method
 261                         if (vv[0] == "|") {
 262                                 continue;
 263                         }
 264                         if (vv[0] == "*") {
 265                                 continue;
 266                         }
 267
 268                                 if (vv[0] == "@") {
 269                                         this.ret += this.pad + "public signal" + k.substring(1)  + " "  + iter.get_value() + ";\n";
 270                                 this.ignore(k);
 271                                 continue;
 272                                 }
 273                         var min = (vv[0] == "$" || vv[0] == "#") ? 3 : 2;
 274                         if (vv.length < min) {
 275                                 // skip 'old js style properties without a type'
 276                                 continue;
 277                         }
 278
 279                         var kname = vv[vv.length-1];
 280
 281                         if (this.shouldIgnore(kname)) {
 282                                 continue;
 283                         }
 284
 285                         // is it a class property...
 286                         if (cls.props.has_key(kname) && vv[0] != "#") {
 287                                 continue;
 288                         }
 289
 290                         this.myvars.add(k);
 291
 292
 293                         this.ret += this.pad + "public " +
 294                                 (k[0] == '$' || k[0] == '#' ? k.substring(2) : k ) + ";\n";
 295
 296                         this.ignore(k);
 297
 298
 299                 }
 300         }
 301
 302                         // if id of child is '+' then it's a property of this..
 303                 void addPlusProperties()
 304         {
 305                         if (this.node.items.size < 1) {
 306                           return;
 307                 }
 308                 var iter = this.node.items.list_iterator();
 309                 while (iter.next()) {
 310                         var ci = iter.get();
 311
 312                                         if (ci.xvala_id[0] != '+') {
 313                                                 continue; // skip generation of children?
 314
 315                                         }
 316                                         this.ret += this.pad + "public " + ci.xvala_xcls + " " + ci.xvala_id.substring(1) + ";\n";
 317
 318
 319                                 }
 320         }
 321
 322         void addValaCtor()
 323         {
 324
 325
 326                         // .vala props..
 327
 328                         string[] cargs = {};
 329                         var cargs_str = "";
 330                         // ctor..
 331                         this.ret += "\n" + this.pad + "// ctor \n";
 332                         if (this.node.has("* args")) {
 333                                 // not sure what this is supposed to be ding..
 334
 335                                 cargs_str = ", " + this.node.get("* args");
 336                                 //var ar = this.node.get("* args");.split(",");
 337                                 //for (var ari =0; ari < ar.length; ari++) {
 338                                         //      cargs +=  (ar[ari].trim().split(" ").pop();
 339                                           // }
 340                                 }
 341
 342                         if (this.depth < 1) {
 343                                 this.ret += this.pad + "public " + this.xcls + "(" +
 344                                         cargs_str +")\n" + this.pad + "{\n";
 345                         } else {
 346
 347                                                 //code
 348
 349                                 this.ret+= this.pad + "public " + this.xcls + "(" +
 350                                         this.top.xcls + " _owner " + cargs_str + ")\n" + this.pad + "{\n";
 351                         }
 352
 353
 354         }
 355         void addUnderThis()
 356         {
 357                         // public static?
 358                         if (depth < 1) {
 359                         this.ret += this.ipad + "_this = this;\n";
 360                         return;
 361                 }
 362                 this.ret+= this.ipad + "_this = _owner;\n";
 363
 364                 if (this.node.props.has_key("id")
 365                         &&
 366                         this.node.xvala_id != ""
 367                         &&
 368                         this.node.xvala_id[0] != '*'
 369                         &&
 370                         this.node.xvala_id[0] != '+'
 371                         ) {
 372                                 this.ret+= this.ipad + "_this." + node.xvala_id  + " = this;\n";
 373
 374                 }
 375
 376
 377
 378         }
 379
 380         void addWrappedCtor()
 381         {
 382                 // wrapped ctor..
 383                 // this may need to look up properties to fill in the arguments..
 384                 // introspection does not workk..... - as things like gtkmessagedialog
 385                 /*
 386                 if (cls == 'Gtk.Table') {
 387
 388                 var methods = this.palete.getPropertiesFor(cls, 'methods');
 389
 390                 print(JSON.stringify(this.palete.proplist[cls], null,4));
 391                 Seed.quit();
 392                 }
 393                 */
 394                 if (this.node.has("* ctor")) {
 395
 396
 397                                 this.ret +=  this.ipad + "this.el = " + this.node.get("* ctor")+ ";\n";
 398                         return;
 399                 }
 400                 // the ctor arguments...
 401
 402                 // see what the
 403                 //var default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".newv");
 404                 //if (default_ctor == null) {
 405                         var  default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".new");
 406
 407                 //}
 408                 if (default_ctor != null && default_ctor.paramset != null && default_ctor.paramset.params.size > 0) {
 409                         string[] args  = {};
 410                         var iter =default_ctor.paramset.params.list_iterator();
 411                         while (iter.next()) {
 412                                 var n = iter.get().name;
 413                                 if (!this.node.has(n)) {
 414
 415                                         if (iter.get().type.contains("int")) {
 416                                                 args += "0";
 417                                                 continue;
 418                                         }
 419                                         if (iter.get().type.contains("float")) {
 420                                                 args += "0f";
 421                                                 continue;
 422                                         }
 423                                         if (iter.get().type.contains("bool")) {
 424                                                 args += "true"; // always default to true?
 425                                                 continue;
 426                                         }
 427                                         // any other types???
 428
 429                                         args += "null";
 430                                         continue;
 431                                 }
 432                                 this.ignoreWrapped(n);
 433                                 this.ignore(n);
 434
 435                                 var v = this.node.get(n);
 436
 437                                 if (iter.get().type == "string") {
 438                                         v = "\"" +  v.escape("") + "\"";
 439                                 }
 440                                 if (v == "TRUE" || v == "FALSE") {
 441                                         v = v.down();
 442                                 }
 443
 444
 445                                 args += v;
 446
 447                         }
 448                         this.ret += this.ipad + "this.el = new " + cls + "( "+ string.joinv(", ",args) + " );\n" ;
 449                         return;
 450
 451                 }
 452
 453
 454                                 this.ret += this.ipad + "this.el = new " + this.cls + "();\n";
 455
 456
 457         }
 458
 459         void addInitMyVars()
 460         {
 461                         //var meths = this.palete.getPropertiesFor(item['|xns'] + '.' + item.xtype, 'methods');
 462                         //print(JSON.stringify(meths,null,4));Seed.quit();
 463
 464
 465
 466                         // initialize.. my vars..
 467                 this.ret += "\n" + this.ipad + "// my vars (dec)\n";
 468
 469                 var iter = this.myvars.list_iterator();
 470                 while(iter.next()) {
 471
 472                                 var k = iter.get();
 473
 474                                 var ar  = k.strip().split(" ");
 475                         var kname = ar[ar.length-1];
 476
 477                                 var v = this.node.props.get(k);
 478                         // ignore signals..
 479                                 if (v.length < 1) {
 480                                                 continue;
 481                                 }
 482                         if (v == "FALSE" || v == "TRUE") {
 483                                 v = v.down();
 484                         }
 485 //FIXME -- check for raw string.. "string XXXX"
 486
 487                         // if it's a string...
 488
 489                                 this.ret += this.ipad + "this." + kname + " = " +   v +";\n";
 490                         }
 491         }
 492
 493
 494
 495
 496
 497         void addWrappedProperties()
 498         {
 499                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 500                 if (cls == null) {
 501                         return;
 502                 }
 503                         // what are the properties of this class???
 504                 this.ret += "\n" + this.ipad + "// set gobject values\n";
 505
 506                 var iter = cls.props.map_iterator();
 507                 while (iter.next()) {
 508                         var p = iter.get_key();
 509                         print("Check Write %s\n", p);
 510                         if (!this.node.has(p)) {
 511                                 continue;
 512                         }
 513                         if (this.shouldIgnoreWrapped(p)) {
 514                                 continue;
 515                         }
 516
 517                                 this.ignore(p);
 518                         var v = this.node.get(p);
 519
 520                         var nodekey = this.node.get_key(p);
 521
 522                         // user defined properties.
 523                         if (nodekey[0] == '#') {
 524                                 continue;
 525                         }
 526
 527
 528
 529                         var is_raw = nodekey[0] == '$';
 530
 531                         // what's the type.. - if it's a string.. then we quote it..
 532                         if (iter.get_value().type == "string" && !is_raw) {
 533                                  v = "\"" +  v.escape("") + "\"";
 534                         }
 535                         if (v == "TRUE" || v == "FALSE") {
 536                                 v = v.down();
 537                         }
 538                         if (iter.get_value().type == "float" && v[v.length-1] != 'f') {
 539                                 v += "f";
 540                         }
 541
 542
 543                         this.ret += "%sthis.el.%s = %s;\n".printf(ipad,p,v); // // %s,  iter.get_value().type);
 544
 545                            // got a property..
 546
 547
 548                 }
 549
 550         }
 551
 552         void addChildren()
 553         {
 554                                 //code
 555                 if (this.node.items.size < 1) {
 556                         return;
 557                 }
 558
 559                         var iter = this.node.items.list_iterator();
 560                 var i = -1;
 561                 while (iter.next()) {
 562                         i++;
 563
 564                                         var ci = iter.get();
 565
 566                         if (ci.xvala_id[0] == '*') {
 567                                                 continue; // skip generation of children?
 568                                         }
 569
 570                                         var xargs = "";
 571                                         if (ci.has("* args")) {
 572
 573                                                 var ar = ci.get("* args").split(",");
 574                                                 for (var ari = 0 ; ari < ar.length; ari++ ) {
 575                                         var arg = ar[ari].split(" ");
 576                                                                 xargs += "," + arg[arg.length -1];
 577                                                 }
 578                                         }
 579
 580                                         this.ret += this.ipad + "var child_" + "%d".printf(i) + " = new " + ci.xvala_xcls +
 581                                         "( _this " + xargs + ");\n" ;
 582
 583                                         this.ret+= this.ipad + "child_" + "%d".printf(i) +".ref();\n"; // we need to reference increase unnamed children...
 584
 585                                         if (ci.has("* prop")) {
 586                                                 this.ret+= ipad + "this.el." + ci.get("* prop") + " = child_" + "%d".printf(i) + ".el;\n";
 587                                                 continue;
 588                                         }
 589
 590                         // not sure why we have 'true' in pack?!?
 591                                         if (!ci.has("pack") || ci.get("pack").down() == "false" || ci.get("pack").down() == "true") {
 592                                                 continue;
 593                                         }
 594
 595                                         string[]  packing =  { "add" };
 596                         if (ci.has("pack")) {
 597                                 packing = ci.get("pack").split(",");
 598                         }
 599
 600                                         var pack = packing[0];
 601                         this.ret += this.ipad + "this.el." + pack.strip() + " (  child_" + "%d".printf(i) + ".el " +
 602                                                            (packing.length > 1 ?
 603                                                                 (", " + string.joinv(",", packing).substring(pack.length+1))
 604                                                         :
 605                                                                         ""
 606                                                                 ) + " );\n";
 607
 608
 609                                         if (ci.xvala_id[0] != '+') {
 610                                                 continue; // skip generation of children?
 611
 612                                         }
 613                                         this.ret+= this.ipad + "this." + ci.xvala_id.substring(1) + " =  child_" + "%d".printf(i) +  ";\n";
 614
 615                 }
 616         }
 617
 618         void addInit()
 619         {
 620
 621
 622                 if (!this.node.has("init")) {
 623                                 return;
 624                 }
 625                 this.ret+= "\n" + ipad + "// init method \n";
 626
 627                 this.ret+= "\n" + ipad + this.padMultiline(ipad, this.node.get("init")) + "\n";
 628
 629          }
 630          void addListeners()
 631          {
 632                 if (this.node.listeners.size < 1) {
 633                         return;
 634                 }
 635
 636
 637
 638                 this.ret+= "\n" + ipad + "// listeners \n";
 639
 640                 var iter = this.node.listeners.map_iterator();
 641                 while (iter.next()) {
 642                         var k = iter.get_key();
 643                         var v = iter.get_value();
 644                                         this.ret+= this.ipad + "this.el." + k + ".connect( " +
 645                                         this.padMultiline(this.ipad,v) +");\n";
 646
 647                                 }
 648         }
 649                 void addEndCtor()
 650         {
 651
 652
 653
 654                         // end ctor..
 655                         this.ret+= this.pad + "}\n";
 656         }
 657
 658
 659         /*
 660  * Standardize this crap...
 661  *
 662  * standard properties (use to set)
 663  *          If they are long values show the dialog..
 664  *
 665  * someprop : ....
 666  * bool is_xxx  :: can show a pulldown.. (true/false)
 667  * string html
 668  * $ string html  = string with value interpolated eg. baseURL + ".."
 669  *  Clutter.ActorAlign x_align  (typed)  -- shows pulldowns if type is ENUM?
 670  * $ untypedvalue = javascript untyped value...
 671  * _ string html ... = translatable..
 672
 673  *
 674  * object properties (not part of the GOjbect being wrapped?
 675  * # Gee.ArrayList<Xcls_fileitem> fileitems
 676  *
 677  * signals
 678  * @ void open
 679  *
 680  * methods -- always text editor..
 681  * | void clearFiles
 682  * | someJSmethod
 683  *
 684  * specials
 685  * * prop -- string
 686  * * args  -- string
 687  * * ctor -- string
 688  * * init -- big string?
 689  *
 690  * event handlers (listeners)
 691  *   just shown
 692  *
 693  * -----------------
 694  * special ID values
 695  *  +XXXX -- indicates it's a instance property / not glob...
 696  *  *XXXX -- skip writing glob property (used as classes that can be created...)
 697  *
 698  *
 699  */
 700
 701         void addUserMethods()
 702         {
 703
 704                 this.ret+= "\n" + pad + "// user defined functions \n";
 705
 706                         // user defined functions...
 707                 var iter = this.node.props.map_iterator();
 708                 while(iter.next()) {
 709                                 var k = iter.get_key();
 710                         if (this.shouldIgnore(k)) {
 711                                 continue;
 712                         }
 713                         // HOW TO DETERIME if its a method?
 714                                 if (k[0] != '|') {
 715                                                 //strbuilder("\n" + pad + "// skip " + k + " - not pipe \n");
 716                                                 continue;
 717                         }
 718                                 // function in the format of {type} (args) { .... }
 719                                 var kk = k.substring(2);
 720                                 var vv = iter.get_value();
 721                                 this.ret += this.pad + "public " + kk + " " + this.padMultiline(this.pad, vv) + "\n";
 722
 723
 724                         }
 725         }
 726
 727         void iterChildren()
 728         {
 729
 730                         if (this.depth > 0) {
 731                         this.ret+= this.inpad + "}\n";
 732                         }
 733
 734                 var iter = this.node.items.list_iterator();
 735                 var i = -1;
 736                 while (iter.next()) {
 737                                 this.ret += this.mungeChild(iter.get());
 738                 }
 739
 740                         if (this.depth < 1) {
 741                                 this.ret+= this.inpad + "}\n";
 742                         }
 743
 744                 }
 745
 746         string padMultiline(string pad, string str)
 747         {
 748                 var ar = str.strip().split("\n");
 749                 return string.joinv("\n" + pad , ar);
 750         }
 751
 752         void ignore(string i) {
 753                 this.ignoreList.add(i);
 754
 755         }
 756         void ignoreWrapped(string i) {
 757                 this.ignoreWrappedList.add(i);
 758
 759         }
 760         bool shouldIgnore(string i)
 761         {
 762                 return ignoreList.contains(i);
 763         }
 764         bool shouldIgnoreWrapped(string i)
 765         {
 766                 return ignoreWrappedList.contains(i);
 767         }
 768
 769 }
 770
 771
 772
 773
 774
 775