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         int line;
  29
  30         Gee.ArrayList<string> ignoreList;
  31         Gee.ArrayList<string> ignoreWrappedList;
  32         Gee.ArrayList<string> myvars;
  33         Gee.ArrayList<Node> vitems; // top level items
  34         NodeToVala top;
  35         JsRender file;
  36
  37         /*
  38          * ctor - just initializes things
  39          * - wraps a render node
  40          */
  41         public NodeToVala( Node node,  int depth, NodeToVala? parent)
  42         {
  43
  44
  45                 this.node = node;
  46                 this.depth = depth;
  47                 this.inpad = string.nfill(depth > 0 ? 4 : 0, ' ');
  48                 this.pad = this.inpad + "    ";
  49                 this.ipad = this.inpad + "        ";
  50                 this.cls = node.xvala_cls;
  51                 this.xcls = node.xvala_xcls;
  52                 this.ret = "";
  53                 this.line = 0;
  54                 this.top = top == null ? this : top;
  55                 this.ignoreList = new Gee.ArrayList<string>();
  56                 this.ignoreWrappedList  = new Gee.ArrayList<string>();
  57                 this.myvars = new Gee.ArrayList<string>();
  58                 this.vitems = new Gee.ArrayList<Node>();
  59                 this.file = null;
  60         }
  61
  62         public int vcnt = 0;
  63         string toValaNS(Node item)
  64         {
  65                 var ns = item.get("xns") ;
  66                 if (ns == "GtkSource") {
  67                         return "Gtk.Source";
  68                 }
  69                 return ns + ".";
  70         }
  71         public void  toValaName(Node item, int depth =0)
  72         {
  73                 this.vcnt++;
  74
  75                 var ns =  this.toValaNS(item) ;
  76                 var cls = ns + item.get("xtype");
  77
  78
  79                 item.xvala_cls = cls;
  80
  81
  82                 string id = item.get("id").length > 0 ?
  83                         item.get("id") :  "%s%d".printf(item.get("xtype"), this.vcnt);
  84
  85
  86
  87
  88                 if (id[0] == '*' || id[0] == '+') {
  89                         item.xvala_xcls = "Xcls_" + id.substring(1);
  90                 } else {
  91                         item.xvala_xcls = "Xcls_" + id;
  92                 }
  93
  94
  95                 item.xvala_id =  id;
  96                 if (depth > 0) {
  97                         this.vitems.add(item);
  98                 } else if (!item.props.has_key("id")) {
  99                         // use the file name..
 100                         item.xvala_xcls =  this.file.name;
 101                         // is id used?
 102                         item.xvala_id = this.file.name;
 103
 104                 }
 105                 // loop children..
 106
 107                 if (item.items.size < 1) {
 108                         return;
 109                 }
 110                 for(var i =0;i<item.items.size;i++) {
 111                         this.toValaName(item.items.get(i), depth+1);
 112                 }
 113
 114         }
 115         /**
 116          *  Main entry point to convert a file into a string..
 117          */
 118         public static string mungeFile(JsRender file)
 119         {
 120                 if (file.tree == null) {
 121                         return "";
 122                 }
 123
 124                 var n = new NodeToVala(file.tree, 0, null);
 125                 n.file = file;
 126                 n.vcnt = 0;
 127
 128                 n.toValaName(file.tree);
 129
 130
 131                 GLib.debug("top cls %s / xlcs %s\n ",file.tree.xvala_cls,file.tree.xvala_cls);
 132                 n.cls = file.tree.xvala_cls;
 133                 n.xcls = file.tree.xvala_xcls;
 134                 return n.munge();
 135
 136
 137         }
 138
 139         public string munge ( )
 140         {
 141                 //return this.mungeToString(this.node);
 142
 143                 this.ignore("pack");
 144                 this.ignore("init");
 145                 this.ignore("xns");
 146                 this.ignore("xtype");
 147                 this.ignore("id");
 148
 149                 this.globalVars();
 150                 this.classHeader();
 151                 this.addSingleton();
 152                 this.addTopProperties();
 153                 this.addMyVars();
 154                 this.addPlusProperties();
 155                 this.addValaCtor();
 156                 this.addUnderThis();
 157                 this.addWrappedCtor();
 158
 159                 this.addInitMyVars();
 160                 this.addWrappedProperties();
 161                 this.addChildren();
 162                 this.addInit();
 163                 this.addListeners();
 164                 this.addEndCtor();
 165                 this.addUserMethods();
 166                 this.iterChildren();
 167
 168                 return this.ret;
 169
 170
 171         }
 172         public string mungeChild(  Node cnode)
 173         {
 174                 var x = new  NodeToVala(cnode,  this.depth+1, this);
 175                 return x.munge();
 176         }
 177
 178         public void globalVars()
 179         {
 180                 if (this.depth > 0) {
 181                         return;
 182                 }
 183                                 // Global Vars..
 184                                 //this.ret += this.inpad + "public static " + this.xcls + "  " + this.node.xvala_id+ ";\n\n";
 185
 186
 187                 this.ret += this.inpad + "static " + this.xcls + "  _" + this.node.xvala_id+ ";\n\n";
 188
 189
 190         }
 191
 192         void classHeader()
 193         {
 194
 195                         // class header..
 196                         // class xxx {   WrappedGtk  el; }
 197                         this.ret += inpad + "public class " + this.xcls + " : Object \n" + this.inpad + "{\n";
 198                         this.ret +=  this.pad + "public " + this.cls + " el;\n";
 199
 200
 201                         this.ret += this.pad + "private " + this.top.xcls + "  _this;\n\n";
 202
 203
 204
 205                         // singleton
 206         }
 207         void addSingleton()
 208         {
 209                         if (depth > 0) {
 210                         return;
 211                 }
 212                         this.ret += pad + "public static " + xcls + " singleton()\n" +
 213                                 this.pad + "{\n" +
 214                                 this.ipad + "if (_" + this.node.xvala_id  + " == null) {\n" +
 215                                 this.ipad + "    _" + this.node.xvala_id + "= new "+ this.xcls + "();\n" + // what about args?
 216                         this.ipad + "}\n" +
 217                         this.ipad + "return _" + this.node.xvala_id +";\n" +
 218                                 this.pad + "}\n";
 219         }
 220
 221
 222         void addTopProperties()
 223         {
 224                 if (this.depth > 0) {
 225                         return;
 226                 }
 227                 // properties - global..??
 228
 229                 var iter = this.vitems.list_iterator();
 230                 while(iter.next()) {
 231                         var n = iter.get();
 232
 233
 234                                         if (!n.props.has_key("id") || n.xvala_id.length < 0) {
 235                                                 continue;
 236
 237                                         }
 238                                         if (n.xvala_id[0] == '*') {
 239                                                 continue;
 240                                         }
 241                                         if (n.xvala_id[0] == '+') {
 242                                                 continue;
 243                                         }
 244                                         this.ret += this.pad + "public " + n.xvala_xcls + " " + n.xvala_id + ";\n";
 245                                 }
 246
 247         }
 248
 249                 void addMyVars()
 250         {
 251                 this.ret += "\n" + this.ipad + "// my vars (def)\n";
 252
 253
 254
 255                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 256
 257                 if (cls == null) {
 258                         return;
 259                 }
 260
 261
 262                         // Key = TYPE:name
 263                 var iter = this.node.props.map_iterator();
 264                 while (iter.next()) {
 265                                 var k = iter.get_key();
 266                         if (this.shouldIgnore(k)) {
 267                                 continue;
 268                         }
 269                         var vv = k.strip().split(" ");
 270                         // user defined method
 271                         if (vv[0] == "|") {
 272                                 continue;
 273                         }
 274                         if (vv[0] == "*") {
 275                                 continue;
 276                         }
 277
 278                                 if (vv[0] == "@") {
 279                                         this.ret += this.pad + "public signal" + k.substring(1)  + " "  + iter.get_value() + ";\n";
 280                                 this.ignore(k);
 281                                 continue;
 282                                 }
 283                         var min = (vv[0] == "$" || vv[0] == "#") ? 3 : 2;
 284                         if (vv.length < min) {
 285                                 // skip 'old js style properties without a type'
 286                                 continue;
 287                         }
 288
 289                         var kname = vv[vv.length-1];
 290
 291                         if (this.shouldIgnore(kname)) {
 292                                 continue;
 293                         }
 294
 295                         // is it a class property...
 296                         if (cls.props.has_key(kname) && vv[0] != "#") {
 297                                 continue;
 298                         }
 299
 300                         this.myvars.add(k);
 301
 302
 303                         this.ret += this.pad + "public " +
 304                                 (k[0] == '$' || k[0] == '#' ? k.substring(2) : k ) + ";\n";
 305
 306                         this.ignore(k);
 307
 308
 309                 }
 310         }
 311
 312                         // if id of child is '+' then it's a property of this..
 313                 void addPlusProperties()
 314         {
 315                         if (this.node.items.size < 1) {
 316                           return;
 317                 }
 318                 var iter = this.node.items.list_iterator();
 319                 while (iter.next()) {
 320                         var ci = iter.get();
 321
 322                                         if (ci.xvala_id[0] != '+') {
 323                                                 continue; // skip generation of children?
 324
 325                                         }
 326                                         this.ret += this.pad + "public " + ci.xvala_xcls + " " + ci.xvala_id.substring(1) + ";\n";
 327
 328
 329                                 }
 330         }
 331
 332         void addValaCtor()
 333         {
 334
 335
 336                         // .vala props..
 337
 338                         string[] cargs = {};
 339                         var cargs_str = "";
 340                         // ctor..
 341                         this.ret += "\n" + this.pad + "// ctor \n";
 342                         if (this.node.has("* args")) {
 343                                 // not sure what this is supposed to be ding..
 344
 345                                 cargs_str = ", " + this.node.get("* args");
 346                                 //var ar = this.node.get("* args");.split(",");
 347                                 //for (var ari =0; ari < ar.length; ari++) {
 348                                         //      cargs +=  (ar[ari].trim().split(" ").pop();
 349                                           // }
 350                                 }
 351
 352                         if (this.depth < 1) {
 353                                 this.ret += this.pad + "public " + this.xcls + "(" +
 354                                         cargs_str +")\n" + this.pad + "{\n";
 355                         } else {
 356
 357                                                 //code
 358
 359                                 this.ret+= this.pad + "public " + this.xcls + "(" +
 360                                         this.top.xcls + " _owner " + cargs_str + ")\n" + this.pad + "{\n";
 361                         }
 362
 363
 364         }
 365         void addUnderThis()
 366         {
 367                         // public static?
 368                         if (depth < 1) {
 369                         this.ret += this.ipad + "_this = this;\n";
 370                         return;
 371                 }
 372                 this.ret+= this.ipad + "_this = _owner;\n";
 373
 374                 if (this.node.props.has_key("id")
 375                         &&
 376                         this.node.xvala_id != ""
 377                         &&
 378                         this.node.xvala_id[0] != '*'
 379                         &&
 380                         this.node.xvala_id[0] != '+'
 381                         ) {
 382                                 this.ret+= this.ipad + "_this." + node.xvala_id  + " = this;\n";
 383
 384                 }
 385
 386
 387
 388         }
 389
 390         void addWrappedCtor()
 391         {
 392                 // wrapped ctor..
 393                 // this may need to look up properties to fill in the arguments..
 394                 // introspection does not workk..... - as things like gtkmessagedialog
 395                 /*
 396                 if (cls == 'Gtk.Table') {
 397
 398                 var methods = this.palete.getPropertiesFor(cls, 'methods');
 399
 400                 print(JSON.stringify(this.palete.proplist[cls], null,4));
 401                 Seed.quit();
 402                 }
 403                 */
 404                 if (this.node.has("* ctor")) {
 405
 406
 407                                 this.ret +=  this.ipad + "this.el = " + this.node.get("* ctor")+ ";\n";
 408                         return;
 409                 }
 410                 // the ctor arguments...
 411
 412                 // see what the
 413                 //var default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".newv");
 414                 //if (default_ctor == null) {
 415                         var  default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".new");
 416
 417                 //}
 418                 if (default_ctor != null && default_ctor.paramset != null && default_ctor.paramset.params.size > 0) {
 419                         string[] args  = {};
 420                         var iter =default_ctor.paramset.params.list_iterator();
 421                         while (iter.next()) {
 422                                 var n = iter.get().name;
 423                                 if (!this.node.has(n)) {
 424
 425                                         if (iter.get().type.contains("int")) {
 426                                                 args += "0";
 427                                                 continue;
 428                                         }
 429                                         if (iter.get().type.contains("float")) {
 430                                                 args += "0f";
 431                                                 continue;
 432                                         }
 433                                         if (iter.get().type.contains("bool")) {
 434                                                 args += "true"; // always default to true?
 435                                                 continue;
 436                                         }
 437                                         // any other types???
 438
 439                                         args += "null";
 440                                         continue;
 441                                 }
 442                                 this.ignoreWrapped(n);
 443                                 this.ignore(n);
 444
 445                                 var v = this.node.get(n);
 446
 447                                 if (iter.get().type == "string") {
 448                                         v = "\"" +  v.escape("") + "\"";
 449                                 }
 450                                 if (v == "TRUE" || v == "FALSE") {
 451                                         v = v.down();
 452                                 }
 453
 454
 455                                 args += v;
 456
 457                         }
 458                         this.ret += this.ipad + "this.el = new " + cls + "( "+ string.joinv(", ",args) + " );\n" ;
 459                         return;
 460
 461                 }
 462
 463
 464                                 this.ret += this.ipad + "this.el = new " + this.cls + "();\n";
 465
 466
 467         }
 468
 469         void addInitMyVars()
 470         {
 471                         //var meths = this.palete.getPropertiesFor(item['|xns'] + '.' + item.xtype, 'methods');
 472                         //print(JSON.stringify(meths,null,4));Seed.quit();
 473
 474
 475
 476                         // initialize.. my vars..
 477                 this.ret += "\n" + this.ipad + "// my vars (dec)\n";
 478
 479                 var iter = this.myvars.list_iterator();
 480                 while(iter.next()) {
 481
 482                                 var k = iter.get();
 483
 484                                 var ar  = k.strip().split(" ");
 485                         var kname = ar[ar.length-1];
 486
 487                                 var v = this.node.props.get(k);
 488                         // ignore signals..
 489                                 if (v.length < 1) {
 490                                                 continue;
 491                                 }
 492                         if (v == "FALSE" || v == "TRUE") {
 493                                 v = v.down();
 494                         }
 495 //FIXME -- check for raw string.. "string XXXX"
 496
 497                         // if it's a string...
 498
 499                                 this.ret += this.ipad + "this." + kname + " = " +   v +";\n";
 500                         }
 501         }
 502
 503
 504
 505
 506
 507         void addWrappedProperties()
 508         {
 509                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 510                 if (cls == null) {
 511                         return;
 512                 }
 513                         // what are the properties of this class???
 514                 this.ret += "\n" + this.ipad + "// set gobject values\n";
 515
 516                 var iter = cls.props.map_iterator();
 517                 while (iter.next()) {
 518                         var p = iter.get_key();
 519                         print("Check Write %s\n", p);
 520                         if (!this.node.has(p)) {
 521                                 continue;
 522                         }
 523                         if (this.shouldIgnoreWrapped(p)) {
 524                                 continue;
 525                         }
 526
 527                                 this.ignore(p);
 528                         var v = this.node.get(p);
 529
 530                         var nodekey = this.node.get_key(p);
 531
 532                         // user defined properties.
 533                         if (nodekey[0] == '#') {
 534                                 continue;
 535                         }
 536
 537
 538
 539                         var is_raw = nodekey[0] == '$';
 540
 541                         // what's the type.. - if it's a string.. then we quote it..
 542                         if (iter.get_value().type == "string" && !is_raw) {
 543                                  v = "\"" +  v.escape("") + "\"";
 544                         }
 545                         if (v == "TRUE" || v == "FALSE") {
 546                                 v = v.down();
 547                         }
 548                         if (iter.get_value().type == "float" && v[v.length-1] != 'f') {
 549                                 v += "f";
 550                         }
 551
 552
 553                         this.ret += "%sthis.el.%s = %s;\n".printf(ipad,p,v); // // %s,  iter.get_value().type);
 554
 555                            // got a property..
 556
 557
 558                 }
 559
 560         }
 561
 562         void addChildren()
 563         {
 564                                 //code
 565                 if (this.node.items.size < 1) {
 566                         return;
 567                 }
 568
 569                         var iter = this.node.items.list_iterator();
 570                 var i = -1;
 571                 while (iter.next()) {
 572                         i++;
 573
 574                                         var ci = iter.get();
 575
 576                         if (ci.xvala_id[0] == '*') {
 577                                                 continue; // skip generation of children?
 578                                         }
 579
 580                                         var xargs = "";
 581                                         if (ci.has("* args")) {
 582
 583                                                 var ar = ci.get("* args").split(",");
 584                                                 for (var ari = 0 ; ari < ar.length; ari++ ) {
 585                                         var arg = ar[ari].split(" ");
 586                                                                 xargs += "," + arg[arg.length -1];
 587                                                 }
 588                                         }
 589
 590                                         this.ret += this.ipad + "var child_" + "%d".printf(i) + " = new " + ci.xvala_xcls +
 591                                         "( _this " + xargs + ");\n" ;
 592
 593                                         this.ret+= this.ipad + "child_" + "%d".printf(i) +".ref();\n"; // we need to reference increase unnamed children...
 594
 595                                         if (ci.has("* prop")) {
 596                                                 this.ret+= ipad + "this.el." + ci.get("* prop") + " = child_" + "%d".printf(i) + ".el;\n";
 597                                                 continue;
 598                                         }
 599
 600                         // not sure why we have 'true' in pack?!?
 601                                         if (!ci.has("pack") || ci.get("pack").down() == "false" || ci.get("pack").down() == "true") {
 602                                                 continue;
 603                                         }
 604
 605                                         string[]  packing =  { "add" };
 606                         if (ci.has("pack")) {
 607                                 packing = ci.get("pack").split(",");
 608                         }
 609
 610                                         var pack = packing[0];
 611                         this.ret += this.ipad + "this.el." + pack.strip() + " (  child_" + "%d".printf(i) + ".el " +
 612                                                            (packing.length > 1 ?
 613                                                                 (", " + string.joinv(",", packing).substring(pack.length+1))
 614                                                         :
 615                                                                         ""
 616                                                                 ) + " );\n";
 617
 618
 619                                         if (ci.xvala_id[0] != '+') {
 620                                                 continue; // skip generation of children?
 621
 622                                         }
 623                                         this.ret+= this.ipad + "this." + ci.xvala_id.substring(1) + " =  child_" + "%d".printf(i) +  ";\n";
 624
 625                 }
 626         }
 627
 628         void addInit()
 629         {
 630
 631
 632                 if (!this.node.has("init")) {
 633                                 return;
 634                 }
 635                 this.ret+= "\n" + ipad + "// init method \n";
 636
 637                 this.ret+= "\n" + ipad + this.padMultiline(ipad, this.node.get("init")) + "\n";
 638
 639          }
 640          void addListeners()
 641          {
 642                 if (this.node.listeners.size < 1) {
 643                         return;
 644                 }
 645
 646
 647
 648                 this.ret+= "\n" + ipad + "// listeners \n";
 649
 650                 var iter = this.node.listeners.map_iterator();
 651                 while (iter.next()) {
 652                         var k = iter.get_key();
 653                         var v = iter.get_value();
 654                                         this.ret+= this.ipad + "this.el." + k + ".connect( " +
 655                                         this.padMultiline(this.ipad,v) +");\n";
 656
 657                                 }
 658         }
 659                 void addEndCtor()
 660         {
 661
 662
 663
 664                         // end ctor..
 665                         this.ret+= this.pad + "}\n";
 666         }
 667
 668
 669         /*
 670  * Standardize this crap...
 671  *
 672  * standard properties (use to set)
 673  *          If they are long values show the dialog..
 674  *
 675  * someprop : ....
 676  * bool is_xxx  :: can show a pulldown.. (true/false)
 677  * string html
 678  * $ string html  = string with value interpolated eg. baseURL + ".."
 679  *  Clutter.ActorAlign x_align  (typed)  -- shows pulldowns if type is ENUM?
 680  * $ untypedvalue = javascript untyped value...
 681  * _ string html ... = translatable..
 682
 683  *
 684  * object properties (not part of the GOjbect being wrapped?
 685  * # Gee.ArrayList<Xcls_fileitem> fileitems
 686  *
 687  * signals
 688  * @ void open
 689  *
 690  * methods -- always text editor..
 691  * | void clearFiles
 692  * | someJSmethod
 693  *
 694  * specials
 695  * * prop -- string
 696  * * args  -- string
 697  * * ctor -- string
 698  * * init -- big string?
 699  *
 700  * event handlers (listeners)
 701  *   just shown
 702  *
 703  * -----------------
 704  * special ID values
 705  *  +XXXX -- indicates it's a instance property / not glob...
 706  *  *XXXX -- skip writing glob property (used as classes that can be created...)
 707  *
 708  *
 709  */
 710
 711         void addUserMethods()
 712         {
 713
 714                 this.ret+= "\n" + pad + "// user defined functions \n";
 715
 716                         // user defined functions...
 717                 var iter = this.node.props.map_iterator();
 718                 while(iter.next()) {
 719                                 var k = iter.get_key();
 720                         if (this.shouldIgnore(k)) {
 721                                 continue;
 722                         }
 723                         // HOW TO DETERIME if its a method?
 724                                 if (k[0] != '|') {
 725                                                 //strbuilder("\n" + pad + "// skip " + k + " - not pipe \n");
 726                                                 continue;
 727                         }
 728                                 // function in the format of {type} (args) { .... }
 729                                 var kk = k.substring(2);
 730                                 var vv = iter.get_value();
 731                                 this.ret += this.pad + "public " + kk + " " + this.padMultiline(this.pad, vv) + "\n";
 732
 733
 734                         }
 735         }
 736
 737         void iterChildren()
 738         {
 739
 740                         if (this.depth > 0) {
 741                         this.ret+= this.inpad + "}\n";
 742                         }
 743
 744                 var iter = this.node.items.list_iterator();
 745                 var i = -1;
 746                 while (iter.next()) {
 747                                 this.ret += this.mungeChild(iter.get());
 748                 }
 749
 750                         if (this.depth < 1) {
 751                                 this.ret+= this.inpad + "}\n";
 752                         }
 753
 754                 }
 755
 756         string padMultiline(string pad, string str)
 757         {
 758                 var ar = str.strip().split("\n");
 759                 return string.joinv("\n" + pad , ar);
 760         }
 761
 762         void ignore(string i) {
 763                 this.ignoreList.add(i);
 764
 765         }
 766         void ignoreWrapped(string i) {
 767                 this.ignoreWrappedList.add(i);
 768
 769         }
 770         bool shouldIgnore(string i)
 771         {
 772                 return ignoreList.contains(i);
 773         }
 774         bool shouldIgnoreWrapped(string i)
 775         {
 776                 return ignoreWrappedList.contains(i);
 777         }
 778
 779 }
 780
 781
 782
 783
 784
 785