git.roojs.org Git - app.Builder.js/blob - Palete/Gir.vala

   1
   2 // valac -g  --pkg gee-1.0 --pkg libxml-2.0 --pkg gobject-introspection-1.0 --pkg json-glib-1.0  Palete/Gir.vala -o /tmp/Gir
   3 /*
   4 public static int main (string[] args) {
   5
   6     var g = Palete.Gir.factory("Gtk");
   7         var test = g.classes.get("ToolButton");
   8
   9
  10     var generator = new Json.Generator ();
  11     var n = new Json.Node(Json.NodeType.OBJECT);
  12     n.set_object(test.toJSON());
  13     generator.set_root(n);
  14     generator.indent = 4;
  15     generator.pretty = true;
  16
  17     print(generator.to_data(null));
  18     return 0;
  19 }
  20  */
  21 namespace Palete {
  22         public errordomain GirError {
  23                 INVALID_TYPE,
  24                 NEED_IMPLEMENTING,
  25                 MISSING_FILE,
  26                 INVALID_VALUE,
  27                 INVALID_FORMAT
  28         }
  29         public class GirObject: Object {
  30                 public string name;
  31                 public string ns;
  32                 public string propertyof;
  33                 public string type;
  34                 public string nodetype;
  35                 public string  package;
  36
  37                 public GirObject paramset = null;
  38                 public GirObject return_value = null;
  39
  40                 public bool is_instance;
  41                 public bool is_array;
  42                 public bool  is_varargs;
  43                 public bool  ctor_only; // specially added ctor properties..
  44                 public  string parent;
  45                 public  string value;
  46                 // to be filled in...
  47
  48                 public  string sig;
  49
  50                 bool is_overlaid;
  51
  52                 public  GirObject gparent;
  53                 public Gee.ArrayList<GirObject> params;
  54                 public Gee.ArrayList<string> implements;
  55                 public Gee.ArrayList<string> inherits; // full list of all classes and interfaces...
  56                 public Gee.HashMap<string,GirObject> ctors;
  57                 public Gee.HashMap<string,GirObject> methods;
  58                 public Gee.HashMap<string,string>    includes;
  59                 public Gee.HashMap<string,GirObject> classes;
  60                 public Gee.HashMap<string,GirObject> props;
  61                 public Gee.HashMap<string,GirObject> consts;
  62                 public Gee.HashMap<string,GirObject> signals;
  63                 public string doctxt;
  64
  65
  66
  67                 public GirObject(string nodetype, string n)
  68                 {
  69                         this.nodetype = nodetype;
  70                         this.name = n;
  71                         this.ns = "";
  72                         this.parent = "";
  73                         this.type = "";
  74                         this.propertyof = "";
  75                         this.is_array = false;
  76                         this.is_instance = false;
  77                         this.is_varargs = false;
  78                         this.ctor_only  =false;
  79                         this.doctxt = "";
  80
  81                         this.sig = "";
  82
  83                         this.gparent = null;
  84
  85                         this.implements = new Gee.ArrayList<string>();
  86                         this.inherits  = new Gee.ArrayList<string>(); // list of all ancestors. (interfaces and parents)
  87                         this.includes   = new Gee.HashMap<string,string>();
  88
  89                         this.params = new Gee.ArrayList<GirObject>();
  90                         this.ctors      = new Gee.HashMap<string,GirObject>();
  91                         this.methods    =new Gee.HashMap<string,GirObject>();
  92
  93                         this.classes    = new Gee.HashMap<string,GirObject>();
  94                         this.props      = new Gee.HashMap<string,GirObject>();
  95                         this.consts     = new Gee.HashMap<string,GirObject>();
  96                         this.signals    = new Gee.HashMap<string,GirObject>();
  97                         this.is_overlaid = false;
  98                         this.paramset = null;
  99                 }
 100
 101                 public string[] inheritsToStringArray()
 102                 {
 103                         string[] ret = {};
 104                         for(var i =0;i< this.inherits.size; i++) {
 105                                 ret += this.inherits.get(i);
 106                         }
 107                         return ret;
 108
 109                 }
 110
 111
 112                 public void  overlayParent()
 113                 {
 114
 115                         if (this.parent.length < 1 || this.is_overlaid) {
 116                                 this.is_overlaid = true;
 117                                 return;
 118                         }
 119                         // print("Overlaying " +this.name + " with " + this.parent + "\n");
 120
 121                         var pcls = this.clsToObject( this.parent);
 122                         if (pcls == null) {
 123                                 throw new GirError.INVALID_VALUE("Could not find class : " +
 124                                         this.parent + " of " + this.name  + " in " + this.ns);
 125                         }
 126
 127                         pcls.overlayParent( );
 128                         this.copyFrom(pcls,false);
 129                         for(var i=0; i < this.implements.size; i++) {
 130                                 var clsname = this.implements.get(i);
 131                                 var picls = this.clsToObject(clsname);
 132                                 this.copyFrom(picls,true);
 133                         }
 134                         this.is_overlaid = true;
 135
 136                 }
 137
 138                 public void overlayCtorProperties()
 139                 {
 140                         //print("Check overlay Ctor %s\n", this.name);
 141                         if (!this.ctors.has_key("new")) {
 142                                 return;
 143                         }
 144                         var ctor = this.ctors.get("new");
 145                         if (ctor.paramset == null || ctor.paramset.params.size < 1) {
 146                                 return;
 147                         }
 148                         //print("Found Ctor\n");
 149                         var iter = ctor.paramset.params.list_iterator();
 150                         while (iter.next()) {
 151                                 var n = iter.get().name;
 152
 153                                 if (this.props.has_key(n)) {
 154                                         continue;
 155                                 }
 156                                 if (n == "...") {
 157                                         continue;
 158                                 }
 159                                 //print("Adding prop %s\n", n);
 160
 161                                 // it's a new prop..
 162                                 var c = new GirObject("Prop",n);
 163                                 c.gparent = this;
 164                                 c.ns = this.ns;
 165                                 c.propertyof = this.name;
 166                                 c.type = iter.get().type;
 167                                 c.ctor_only = true;
 168                                 this.props.set(n, c);
 169                         }
 170
 171
 172                 }
 173
 174
 175
 176                 public GirObject clsToObject(string in_pn)
 177                 {
 178                         var pn = in_pn;
 179                         var gir = Gir.factory (this.ns);
 180                         if (in_pn.contains(".")) {
 181                                 gir =  Gir.factory(in_pn.split(".")[0]);
 182                                 pn = in_pn.split(".")[1];
 183                         }
 184
 185                         return gir.classes.get(pn);
 186
 187
 188                 }
 189                 public string fqn() {
 190                         return this.ns + this.name;
 191                 }
 192
 193                 public void copyFrom(GirObject pcls, bool is_interface)
 194                 {
 195
 196                         this.inherits.add(pcls.fqn());
 197                         var iter = pcls.methods.map_iterator();
 198                         while(iter.next()) {
 199                         if (null != this.methods.get(iter.get_key())) {
 200                                         continue;
 201                                 }
 202
 203                                 this.methods.set(iter.get_key(), iter.get_value());
 204                         }
 205
 206                         iter = pcls.props.map_iterator();
 207                         while(iter.next()) {
 208                                  if (null != this.props.get(iter.get_key())) {
 209                                         continue;
 210                                 }
 211
 212                                 this.props.set(iter.get_key(), iter.get_value());
 213                         }
 214
 215                         iter = pcls.signals.map_iterator();
 216                         while(iter.next()) {
 217                                 if (null != this.signals.get(iter.get_key())) {
 218                                                 continue;
 219                                 }
 220
 221                                 this.signals.set(iter.get_key(), iter.get_value());
 222                         }
 223                 }
 224
 225                 public Json.Object toJSON()
 226                 {
 227                     var r = new Json.Object();
 228                     r.set_string_member("nodetype", this.nodetype);
 229                     r.set_string_member("name", this.name);
 230                                 if (this.propertyof.length > 0) {
 231                         r.set_string_member("of", this.propertyof);
 232                     }
 233                     if (this.type.length > 0) {
 234                         r.set_string_member("type", this.type);
 235                     }
 236                     if (this.parent != null && this.parent.length > 0) {
 237                         r.set_string_member("parent", this.parent);
 238                     }
 239                     if (this.sig.length > 0) {
 240                         r.set_string_member("sig", this.sig);
 241                     }
 242
 243                     // is_arary / is_instance / is_varargs..
 244
 245                     if (this.implements.size > 0) {
 246                         r.set_array_member("length", this.toJSONArrayString(this.implements));
 247                     }
 248
 249                     if (this.params.size > 0) {
 250                         r.set_array_member("params", this.toJSONArrayObject(this.params));
 251                     }
 252                     if (this.ctors.size > 0) {
 253                         r.set_object_member("ctors", this.toJSONObject(this.ctors));
 254                     }
 255                     if (this.methods.size > 0) {
 256                         r.set_object_member("methods", this.toJSONObject(this.methods));
 257                     }
 258                     if (this.includes.size > 0) {
 259                         r.set_object_member("includes", this.toJSONObjectString(this.includes));
 260                     }
 261                     if (this.classes.size > 0) {
 262                         r.set_object_member("classes", this.toJSONObject(this.classes));
 263                     }
 264                     if (this.props.size > 0) {
 265                         r.set_object_member("props", this.toJSONObject(this.props));
 266                     }
 267                     if (this.consts.size > 0) {
 268                         r.set_object_member("consts", this.toJSONObject(this.consts));
 269                     }
 270                     if (this.signals.size > 0) {
 271                         r.set_object_member("signals", this.toJSONObject(this.signals));
 272                     }
 273                     if (this.paramset != null) {
 274                         r.set_object_member("params", this.paramset.toJSON());
 275                     }
 276                     if (this.return_value != null) {
 277                         r.set_object_member("return_value", this.return_value.toJSON());
 278                     }
 279                     return r;
 280                 }
 281                 public Json.Object toJSONObject(Gee.HashMap<string,GirObject> map)
 282                 {
 283                     var r = new Json.Object();
 284                     var iter = map.map_iterator();
 285                     while(iter.next()) {
 286                         r.set_object_member(iter.get_key(), iter.get_value().toJSON());
 287                     }
 288                     return r;
 289                 }
 290                 public Json.Object  toJSONObjectString(Gee.HashMap<string,string> map)
 291                 {
 292                     var r = new Json.Object();
 293                     var iter = map.map_iterator();
 294                     while(iter.next()) {
 295                         r.set_string_member(iter.get_key(), iter.get_value());
 296                     }
 297                     return r;
 298                 }
 299                 public Json.Array toJSONArrayString(Gee.ArrayList<string> map)
 300                 {
 301                     var r = new Json.Array();
 302                     for(var i =0;i< map.size;i++) {
 303
 304                         r.add_string_element(map.get(i));
 305                     }
 306                     return r;
 307                 }
 308                 public Json.Array toJSONArrayObject(Gee.ArrayList<GirObject> map)
 309                 {
 310                     var r = new Json.Array();
 311                     for(var i =0;i< map.size;i++) {
 312
 313                         r.add_object_element(map.get(i).toJSON());
 314                     }
 315                     return r;
 316                 }
 317
 318                 public GirObject fetchByFqn(string fqn) {
 319                         //print("Searching (%s)%s for %s\n", this.nodetype, this.name, fqn);
 320                         var bits = fqn.split(".");
 321
 322                         var ret = this.classes.get(bits[0]);
 323                         if (ret != null) {
 324                                 if (bits.length < 2) {
 325                                         return ret;
 326                                 }
 327                                 return ret.fetchByFqn(fqn.substring(bits[0].length+1));
 328                         }
 329
 330                         ret = this.ctors.get(bits[0]);
 331                         if (ret != null) {
 332                                 if (bits.length < 2) {
 333                                         return ret;
 334                                 }
 335                                 return ret.fetchByFqn(fqn.substring(bits[0].length+1));
 336                         }
 337
 338                         ret = this.methods.get(bits[0]);
 339                         if (ret != null) {
 340                                 if (bits.length < 2) {
 341                                         return ret;
 342                                 }
 343                                 return ret.fetchByFqn(fqn.substring(bits[0].length+1));
 344                         }
 345                         ret = this.props.get(bits[0]);
 346                         if (ret != null) {
 347                                 if (bits.length < 2) {
 348                                         return ret;
 349                                 }
 350                                 return ret.fetchByFqn(fqn.substring(bits[0].length+1));
 351                         }
 352                         ret = this.consts.get(bits[0]);
 353                         if (ret != null) {
 354                                 if (bits.length < 2) {
 355                                         return ret;
 356                                 }
 357                                 return ret.fetchByFqn(fqn.substring(bits[0].length+1));
 358                         }
 359
 360                         ret = this.signals.get(bits[0]);
 361                         if (ret != null) {
 362                                 if (bits.length < 2) {
 363                                         return ret;
 364                                 }
 365                                 return ret.fetchByFqn(fqn.substring(bits[0].length+1));
 366                         }
 367                         if (this.paramset == null) {
 368                                 return null;
 369                         }
 370                         var iter = this.paramset.params.list_iterator();
 371                         while (iter.next()) {
 372                                 var p = iter.get();
 373                                 if (p.name != bits[0]) {
 374                                         continue;
 375                                 }
 376                                 return p;
 377                         }
 378
 379                         // fixme - other queires? - enums?
 380                         return null;
 381                 }
 382
 383                 public string fqtype() {
 384                         return Gir.fqtypeLookup(this.type, this.ns);
 385                 }
 386         }
 387
 388
 389
 390
 391
 392         public class Gir : GirObject {
 393
 394                 static  Gee.HashMap<string,Gir> cache = null;
 395                 //Gee.Hashmap<string,what> nodes;
 396
 397
 398
 399                 public static Gir?  factory(string ns) {
 400                         if (cache == null) {
 401                                 cache = new Gee.HashMap<string,Gir>();
 402                         }
 403                         var ret = cache.get(ns);
 404                         if (ret == null) {
 405
 406                                 var add = new Gir(ns);
 407                                 cache.set(ns, add);
 408
 409                                 var iter = add.classes.map_iterator();
 410                                 while(iter.next()) {
 411                                         iter.get_value().overlayParent();
 412                                 }
 413                                 // loop again and add the ctor properties.
 414                                  iter = add.classes.map_iterator();
 415                                 while(iter.next()) {
 416                                         iter.get_value().overlayCtorProperties();
 417                                 }
 418
 419
 420                                 ret = cache.get(ns);
 421                         }
 422
 423
 424                         return ret;
 425
 426                 }
 427                 public static GirObject?  factoryFqn(string fqn)
 428                 {
 429                         var bits = fqn.split(".");
 430                         if (bits.length < 1) {
 431                                 return null;
 432                         }
 433
 434                         var f = (GirObject)factory(bits[0]);
 435
 436                         if (bits.length == 1 || f ==null) {
 437                                 return f;
 438                         }
 439                         return f.fetchByFqn(fqn.substring(bits[0].length+1)); // since classes are stored in fqn format...?
 440
 441
 442                 }
 443
 444
 445                 /**
 446                  * guess the fqn of a type == eg. gboolean or Widget etc...
 447                  */
 448                 public static string fqtypeLookup(string type, string ns) {
 449                         var g = factory(ns);
 450                         if (g.classes.has_key(type)) {
 451                                 return ns + "." + type;
 452                         }
 453                         // enums..
 454                         if (g.consts.has_key(type)) {
 455                                 return ns + "." + type;
 456                         }
 457
 458
 459                         // look at includes..
 460                         var iter = g.includes.map_iterator();
 461                         while(iter.next()) {
 462                                 var ret = fqtypeLookup(type, iter.get_key());
 463                                 if (ret != type) {
 464                                         return ret;
 465                                 }
 466                         }
 467                         return type;
 468                 }
 469
 470
 471
 472
 473
 474                 public static string guessDefaultValueForType(string type) {
 475                         if (type.contains(".")) {
 476                                 return "null";
 477                         }
 478                         switch(type) {
 479                                 case "gboolean":
 480                                         return "true";
 481                                 case "guint":
 482                                         return "0";
 483                                 case "utf8":
 484                                         return "\"\"";
 485                                 default:
 486                                         return "?"+  type + "?";
 487                         }
 488
 489                 }
 490
 491
 492
 493
 494                 public Gir (string ns)
 495                 {
 496                         var xns = ns == "Glade" ? "Gladeui" : ns;
 497                         var gi = GI.Repository.get_default();
 498                         gi.require(xns, null, 0);
 499
 500                         var ver = gi.get_version(xns);
 501                         unowned GLib.SList<string>  pth = GI.Repository.get_search_path ();
 502                         var gir_path = pth.nth_data(0).replace("/lib/girepository-1.0", "/share/gir-1.0");
 503                         //console.log(fn);
 504
 505
 506
 507                         var file  = gir_path + "/" + xns + "-" + ver + ".gir";
 508                         // print("ns: " + ns + "\n");
 509                         // print("ver: " + ver + "\n");
 510                         // print(file);
 511
 512
 513                         base("Package",ns);
 514                         this.ns = ns;
 515                         //this.nodes = new Gee.Hashmap<string,what>();
 516
 517                         var doc = Xml.Parser.parse_file (file);
 518                         var root = doc->get_root_element();
 519                         this.walk( root, (GirObject) this );
 520
 521                         delete doc;
 522
 523                 }
 524                 public void walk(Xml.Node* element, GirObject? parent)
 525                 {
 526                     var n = element->get_prop("name");
 527                     if (n == null) {
 528                         n = "";
 529                     }
 530                     //print(element->name + " ("  + parent.name + "==>" + n +")\n");
 531                     switch (element->name) {
 532                         case "repository":
 533                             break;
 534
 535                         case "include":
 536                             parent.includes.set(n, element->get_prop("version"));
 537                             break;
 538
 539                         case "package":
 540                             parent.package = n;
 541                             break;
 542
 543                         case "c:include":
 544                             break;
 545
 546                         case "namespace":
 547                             parent.name = n;
 548                             break;
 549
 550                         case "alias":
 551                             return;
 552                             //break; // not handled..
 553
 554                         case "class":
 555                                 var c = new GirObject("Class", parent.name + "." + n);
 556                                 parent.classes.set(n, c);
 557                                 c.ns = this.ns;
 558                                 c.parent = element->get_prop("parent");
 559                                 c.gparent = parent;
 560                                 if (c.parent == null) {
 561                                         c.parent = "";
 562                                 }
 563                                 parent =  c;
 564                                 break;
 565
 566                         case "interface":
 567                             var c = new GirObject("Interface", parent.name + "." + n);
 568                             c.gparent = parent;
 569                             parent.classes.set(n, c);
 570                                                 c.ns = this.ns;
 571                                                 c.ns = parent.name;
 572                             c.parent = element->get_prop("parent");
 573                                                 if (c.parent == null) {
 574                                                         c.parent = "";
 575                                                 }
 576                                                 parent =  c;
 577                             break;
 578
 579
 580                         case "doc":
 581                             parent.doctxt = element->get_content();
 582                             return;
 583
 584                         case "implements":
 585                             parent.implements.add(n);
 586
 587                             break;
 588
 589                         case "constructor":
 590                             var c = new GirObject("Ctor",n);
 591                             c.ns = this.ns;
 592                             c.gparent = parent;
 593                             parent.ctors.set(n,c);
 594                             parent  = c;
 595                             break;
 596
 597                         case "return-value":
 598                             var c = new GirObject("Return", "return-value");
 599                             c.gparent = parent;
 600                             c.ns = this.ns;
 601                             parent.return_value = c;
 602                             parent =  c;
 603                             break;
 604
 605                         case "virtual-method": // not sure...
 606                             return;
 607                         /*
 608                             var c = new GirObject("Signal",n);
 609                             parent.signals.set(n,c);
 610                             parent = c;
 611                             break;
 612                         */
 613                         case "signal": // Glib:signal
 614                                 var c = new GirObject("Signal",n.replace("-", "_"));
 615                                 c.gparent = parent;
 616                                 c.ns = this.ns;
 617                                 parent.signals.set(n.replace("-", "_"),c);
 618                                 parent = c;
 619                                 break;
 620
 621
 622
 623                         case "callback": // not sure...
 624                             return;
 625
 626
 627                         case "type":
 628                             parent.type = n;
 629
 630                                                 return; // no children?
 631                             //break;
 632
 633                         case "method":
 634                                 var c = new GirObject("Method",n);
 635                                 c.gparent = parent;
 636                                 c.ns = this.ns;
 637                                 c.propertyof = parent.name;
 638                                 parent.methods.set(n,c);
 639                                 parent = c;
 640                                 break;
 641
 642                         case "parameters":
 643                             var c = new GirObject("Paramset",n);
 644                             c.gparent = parent;
 645                             c.ns = this.ns;
 646                             parent.paramset = c;
 647                             parent =  c;
 648                             break;
 649
 650                         case "instance-parameter":
 651                                 var c = new GirObject("Param",n);
 652                                 c.gparent = parent;
 653                                 c.ns = this.ns;
 654                                 c.is_instance = true;
 655                                 parent.params.add(c);
 656                                 parent = c;
 657                                 break;
 658
 659                         case "parameter":
 660                                 var c = new GirObject("Param",n);
 661                                 c.gparent = parent;
 662                                 c.ns = this.ns;
 663                                 parent.params.add(c);
 664                                 parent = c;
 665                                 this.checkParamOverride(c);
 666                             break;
 667
 668                         case "property":
 669                         case "field":
 670                                 var c = new GirObject("Prop",n.replace("-", "_"));
 671                                 c.gparent = parent;
 672                                 c.ns = this.ns;
 673                                 c.propertyof = parent.name;
 674                                 parent.props.set(n.replace("-", "_"),c);
 675                                 parent = c;
 676                                 break;
 677
 678                         case "function":
 679                             var c = new GirObject("Function",n);
 680                             c.gparent = parent;
 681                             c.ns = this.ns;
 682                             parent.methods.set(n,c);
 683                             parent = c;
 684                             break;
 685
 686                         case "array":
 687                             parent.is_array = true;
 688                             break; // type is added soon..
 689
 690                         case "varargs":
 691                             parent.is_varargs= true;
 692                             return;
 693
 694                         case "constant":
 695                             var c = new GirObject("Const",n);
 696                             c.gparent = parent;
 697                             c.value = element->get_prop("value");
 698                                                 c.ns = this.ns;
 699                             parent.consts.set(n,c);
 700                             parent = c;
 701                             return;
 702                             //break;
 703                         case "bitfield":
 704                         case "enumeration":
 705                                 var c = new GirObject("Enum",n);
 706                                 c.gparent = parent;
 707                                 c.ns = this.ns;
 708                                 parent.consts.set(n,c);
 709
 710                                 parent = c;
 711                                 break;
 712
 713                         case "member":
 714                                 var c = new GirObject("EnumMember",n);
 715                                 c.gparent = parent;
 716                                 c.ns = this.ns;
 717                                 c.value = element->get_prop("value");
 718                                 parent.consts.set(n,c);
 719                                 return;
 720                                 break;
 721
 722
 723                         case "doc-deprecated":
 724                             return;
 725
 726                         case "record": // struct?
 727                             return;
 728
 729
 730                             return;
 731                         case "prerequisite": // ignore?
 732                             return;
 733                                         case "union": // ignore?
 734                             return;
 735                                         default:
 736                             print("UNHANDLED Gir file element: " + element->name +"\n");
 737                             return;
 738                     }
 739                     /*
 740                     if (element->name == "signal") {
 741                         path += ".signal";
 742                     }
 743
 744
 745                     if (element->name == "return-value") {
 746                         path += ".return-value";
 747                     }
 748                     print(path + ":"  + element->name + "\n");
 749                     */
 750                     //var d =   getAttribute(element,'doc');
 751                     //if (d) {
 752                      //   Seed.print(path + ':' + d);
 753                     //    ret[path] = d;
 754                     //}
 755                     for (Xml.Node* iter = element->children; iter != null; iter = iter->next) {
 756                         if (iter->type == Xml.ElementType.TEXT_NODE) {
 757                             continue;
 758                         }
 759                         this.walk(iter, parent);
 760                     }
 761
 762                 }
 763                 public string doc(string what)
 764                 {
 765                         var ar = what.split(".");
 766                         var cls = this.classes.get(ar[1]);
 767                         if (ar.length == 2) {
 768                                 return cls.doctxt != null ? cls.doctxt : "";
 769                         }
 770                         // return the property.. by default..
 771                         var pr = cls.props.get(ar[2]);
 772                         return pr.doctxt != null ? pr.doctxt : "";
 773
 774                 }
 775
 776
 777
 778                 public void checkParamOverride(GirObject c)
 779                 {
 780                         var parset = c.gparent;
 781                         if (parset == null || parset.nodetype != "Paramset") {
 782                                 return;
 783                         }
 784                         var method = parset.gparent;
 785                         if (method == null || method.nodetype != "Ctor") {
 786                                 return;
 787                         }
 788                         var cls = method.gparent;
 789                         if (cls == null || cls.nodetype != "Class") {
 790                                 return;
 791                         }
 792
 793
 794
 795                         c.name = this.fetchOverride( cls.name, method.name, c.name);
 796                 }
 797                 public static bool overrides_loaded = false;
 798                 public static Gee.HashMap<string,string> overrides;
 799
 800                 public string fetchOverride(  string cls, string method, string param)
 801                 {
 802                         // overrides should be in a file Gir.overides
 803                         // in that "Gtk.Label.new.str" : "label"
 804                         this.loadOverrides();
 805                         var key = "%s.%s.%s".printf(cls,method,param);
 806                         //print("Chekcing for key %s\n", key);
 807                         if (!overrides.has_key(key)) {
 808                                 return param;
 809                         }
 810                         return overrides.get(key);
 811
 812
 813                 }
 814                 public void loadOverrides()
 815                 {
 816                         if (overrides_loaded) {
 817                                 return;
 818                         }
 819
 820                         var pa = new Json.Parser();
 821                         pa.load_from_file(Builder4.Application.configDirectory() + "/resources/Gir.overides");
 822                         var node = pa.get_root();
 823
 824                         if (node.get_node_type () != Json.NodeType.OBJECT) {
 825                                 throw new GirError.INVALID_FORMAT ("Error loading gir.overides : Unexpected element type %s", node.type_name ());
 826                         }
 827                         overrides = new Gee.HashMap<string,string>();
 828
 829
 830                         var obj = node.get_object ();
 831
 832
 833                         obj.foreach_member((o , key, value) => {
 834                                 //print(key+"\n");
 835
 836                                 var v = obj.get_string_member(key);
 837
 838
 839                                 overrides.set(key, v);
 840
 841                         });
 842
 843                         overrides_loaded = true;
 844
 845
 846
 847                 }
 848         }
 849
 850
 851 }