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                         // not sure if fqn really is correct here...
 191                         //
 192                         return this.type == "Class" ? this.name : (this.ns + this.name);
 193                 }
 194
 195                 public void copyFrom(GirObject pcls, bool is_interface)
 196                 {
 197
 198                         this.inherits.add(pcls.fqn());
 199                         var iter = pcls.methods.map_iterator();
 200                         while(iter.next()) {
 201                         if (null != this.methods.get(iter.get_key())) {
 202                                         continue;
 203                                 }
 204
 205                                 this.methods.set(iter.get_key(), iter.get_value());
 206                         }
 207
 208                         iter = pcls.props.map_iterator();
 209                         while(iter.next()) {
 210                                  if (null != this.props.get(iter.get_key())) {
 211                                         continue;
 212                                 }
 213
 214                                 this.props.set(iter.get_key(), iter.get_value());
 215                         }
 216
 217                         iter = pcls.signals.map_iterator();
 218                         while(iter.next()) {
 219                                 if (null != this.signals.get(iter.get_key())) {
 220                                                 continue;
 221                                 }
 222
 223                                 this.signals.set(iter.get_key(), iter.get_value());
 224                         }
 225                 }
 226
 227                 public Json.Object toJSON()
 228                 {
 229                     var r = new Json.Object();
 230                     r.set_string_member("nodetype", this.nodetype);
 231                     r.set_string_member("name", this.name);
 232                                 if (this.propertyof.length > 0) {
 233                         r.set_string_member("of", this.propertyof);
 234                     }
 235                     if (this.type.length > 0) {
 236                         r.set_string_member("type", this.type);
 237                     }
 238                     if (this.parent != null && this.parent.length > 0) {
 239                         r.set_string_member("parent", this.parent);
 240                     }
 241                     if (this.sig.length > 0) {
 242                         r.set_string_member("sig", this.sig);
 243                     }
 244
 245                     // is_arary / is_instance / is_varargs..
 246
 247                     if (this.implements.size > 0) {
 248                         r.set_array_member("length", this.toJSONArrayString(this.implements));
 249                     }
 250
 251                     if (this.params.size > 0) {
 252                         r.set_array_member("params", this.toJSONArrayObject(this.params));
 253                     }
 254                     if (this.ctors.size > 0) {
 255                         r.set_object_member("ctors", this.toJSONObject(this.ctors));
 256                     }
 257                     if (this.methods.size > 0) {
 258                         r.set_object_member("methods", this.toJSONObject(this.methods));
 259                     }
 260                     if (this.includes.size > 0) {
 261                         r.set_object_member("includes", this.toJSONObjectString(this.includes));
 262                     }
 263                     if (this.classes.size > 0) {
 264                         r.set_object_member("classes", this.toJSONObject(this.classes));
 265                     }
 266                     if (this.props.size > 0) {
 267                         r.set_object_member("props", this.toJSONObject(this.props));
 268                     }
 269                     if (this.consts.size > 0) {
 270                         r.set_object_member("consts", this.toJSONObject(this.consts));
 271                     }
 272                     if (this.signals.size > 0) {
 273                         r.set_object_member("signals", this.toJSONObject(this.signals));
 274                     }
 275                     if (this.paramset != null) {
 276                         r.set_object_member("params", this.paramset.toJSON());
 277                     }
 278                     if (this.return_value != null) {
 279                         r.set_object_member("return_value", this.return_value.toJSON());
 280                     }
 281                     return r;
 282                 }
 283                 public Json.Object toJSONObject(Gee.HashMap<string,GirObject> map)
 284                 {
 285                     var r = new Json.Object();
 286                     var iter = map.map_iterator();
 287                     while(iter.next()) {
 288                         r.set_object_member(iter.get_key(), iter.get_value().toJSON());
 289                     }
 290                     return r;
 291                 }
 292                 public Json.Object  toJSONObjectString(Gee.HashMap<string,string> map)
 293                 {
 294                     var r = new Json.Object();
 295                     var iter = map.map_iterator();
 296                     while(iter.next()) {
 297                         r.set_string_member(iter.get_key(), iter.get_value());
 298                     }
 299                     return r;
 300                 }
 301                 public Json.Array toJSONArrayString(Gee.ArrayList<string> map)
 302                 {
 303                     var r = new Json.Array();
 304                     for(var i =0;i< map.size;i++) {
 305
 306                         r.add_string_element(map.get(i));
 307                     }
 308                     return r;
 309                 }
 310                 public Json.Array toJSONArrayObject(Gee.ArrayList<GirObject> map)
 311                 {
 312                     var r = new Json.Array();
 313                     for(var i =0;i< map.size;i++) {
 314
 315                         r.add_object_element(map.get(i).toJSON());
 316                     }
 317                     return r;
 318                 }
 319
 320                 public GirObject fetchByFqn(string fqn) {
 321                         //print("Searching (%s)%s for %s\n", this.nodetype, this.name, fqn);
 322                         var bits = fqn.split(".");
 323
 324                         var ret = this.classes.get(bits[0]);
 325                         if (ret != null) {
 326                                 if (bits.length < 2) {
 327                                         return ret;
 328                                 }
 329                                 return ret.fetchByFqn(fqn.substring(bits[0].length+1));
 330                         }
 331
 332                         ret = this.ctors.get(bits[0]);
 333                         if (ret != null) {
 334                                 if (bits.length < 2) {
 335                                         return ret;
 336                                 }
 337                                 return ret.fetchByFqn(fqn.substring(bits[0].length+1));
 338                         }
 339
 340                         ret = this.methods.get(bits[0]);
 341                         if (ret != null) {
 342                                 if (bits.length < 2) {
 343                                         return ret;
 344                                 }
 345                                 return ret.fetchByFqn(fqn.substring(bits[0].length+1));
 346                         }
 347                         ret = this.props.get(bits[0]);
 348                         if (ret != null) {
 349                                 if (bits.length < 2) {
 350                                         return ret;
 351                                 }
 352                                 return ret.fetchByFqn(fqn.substring(bits[0].length+1));
 353                         }
 354                         ret = this.consts.get(bits[0]);
 355                         if (ret != null) {
 356                                 if (bits.length < 2) {
 357                                         return ret;
 358                                 }
 359                                 return ret.fetchByFqn(fqn.substring(bits[0].length+1));
 360                         }
 361
 362                         ret = this.signals.get(bits[0]);
 363                         if (ret != null) {
 364                                 if (bits.length < 2) {
 365                                         return ret;
 366                                 }
 367                                 return ret.fetchByFqn(fqn.substring(bits[0].length+1));
 368                         }
 369                         if (this.paramset == null) {
 370                                 return null;
 371                         }
 372                         var iter = this.paramset.params.list_iterator();
 373                         while (iter.next()) {
 374                                 var p = iter.get();
 375                                 if (p.name != bits[0]) {
 376                                         continue;
 377                                 }
 378                                 return p;
 379                         }
 380
 381                         // fixme - other queires? - enums?
 382                         return null;
 383                 }
 384
 385                 public string fqtype() {
 386                         return Gir.fqtypeLookup(this.type, this.ns);
 387                 }
 388         }
 389
 390
 391
 392
 393
 394         public class Gir : GirObject {
 395
 396                 static  Gee.HashMap<string,Gir> cache = null;
 397                 //Gee.Hashmap<string,what> nodes;
 398
 399
 400
 401                 public static Gir?  factory(string ns) {
 402                         if (cache == null) {
 403                                 cache = new Gee.HashMap<string,Gir>();
 404                         }
 405                         var ret = cache.get(ns);
 406                         if (ret == null) {
 407
 408                                 var add = new Gir(ns);
 409                                 cache.set(ns, add);
 410
 411                                 var iter = add.classes.map_iterator();
 412                                 while(iter.next()) {
 413                                         iter.get_value().overlayParent();
 414                                 }
 415                                 // loop again and add the ctor properties.
 416                                  iter = add.classes.map_iterator();
 417                                 while(iter.next()) {
 418                                         iter.get_value().overlayCtorProperties();
 419                                 }
 420
 421
 422                                 ret = cache.get(ns);
 423                         }
 424
 425
 426                         return ret;
 427
 428                 }
 429                 public static GirObject?  factoryFqn(string fqn)
 430                 {
 431                         var bits = fqn.split(".");
 432                         if (bits.length < 1) {
 433                                 return null;
 434                         }
 435
 436                         var f = (GirObject)factory(bits[0]);
 437
 438                         if (bits.length == 1 || f ==null) {
 439                                 return f;
 440                         }
 441                         return f.fetchByFqn(fqn.substring(bits[0].length+1)); // since classes are stored in fqn format...?
 442
 443
 444                 }
 445
 446
 447                 /**
 448                  * guess the fqn of a type == eg. gboolean or Widget etc...
 449                  */
 450                 public static string fqtypeLookup(string type, string ns) {
 451                         var g = factory(ns);
 452                         if (g.classes.has_key(type)) {
 453                                 return ns + "." + type;
 454                         }
 455                         // enums..
 456                         if (g.consts.has_key(type)) {
 457                                 return ns + "." + type;
 458                         }
 459
 460
 461                         // look at includes..
 462                         var iter = g.includes.map_iterator();
 463                         while(iter.next()) {
 464                                 // skip empty namespaces on include..?
 465                                 if ( iter.get_key() == "") {
 466                                         continue;
 467                                 }
 468                                 var ret = fqtypeLookup(type, iter.get_key());
 469                                 if (ret != type) {
 470                                         return ret;
 471                                 }
 472                         }
 473                         return type;
 474                 }
 475
 476
 477
 478
 479
 480                 public static string guessDefaultValueForType(string type) {
 481                         if (type.contains(".")) {
 482                                 return "null";
 483                         }
 484                         switch(type) {
 485                                 case "gboolean":
 486                                         return "true";
 487                                 case "guint":
 488                                         return "0";
 489                                 case "utf8":
 490                                         return "\"\"";
 491                                 default:
 492                                         return "?"+  type + "?";
 493                         }
 494
 495                 }
 496
 497
 498
 499
 500                 public Gir (string ns)
 501                 {
 502                         var xns = ns == "Glade" ? "Gladeui" : ns;
 503                         var gi = GI.Repository.get_default();
 504                         gi.require(xns, null, 0);
 505
 506                         var ver = gi.get_version(xns);
 507                         unowned GLib.SList<string>  pth = GI.Repository.get_search_path ();
 508                         var gir_path = pth.nth_data(0).replace("/lib/girepository-1.0", "/share/gir-1.0");
 509                         //console.log(fn);
 510
 511
 512
 513                         var file  = gir_path + "/" + xns + "-" + ver + ".gir";
 514                         // print("ns: " + ns + "\n");
 515                         // print("ver: " + ver + "\n");
 516                         // print(file);
 517
 518
 519                         base("Package",ns);
 520                         this.ns = ns;
 521                         //this.nodes = new Gee.Hashmap<string,what>();
 522
 523                         var doc = Xml.Parser.parse_file (file);
 524                         var root = doc->get_root_element();
 525                         this.walk( root, (GirObject) this );
 526
 527                         delete doc;
 528
 529                 }
 530                 public void walk(Xml.Node* element, GirObject? parent)
 531                 {
 532                     var n = element->get_prop("name");
 533                         // ignore null or c:include...
 534                     if (n == null || (element->ns->prefix != null && element->ns->prefix == "c")) {
 535                                 n = "";
 536                     }
 537                     //print("%s:%s (%s ==> %s\n", element->ns->prefix , element->name , parent.name , n);
 538                     switch (element->name) {
 539                         case "repository":
 540                             break;
 541
 542                         case "include":
 543                             parent.includes.set(n, element->get_prop("version"));
 544                             break;
 545
 546                         case "package":
 547                             parent.package = n;
 548                             break;
 549
 550                         case "c:include":
 551                             break;
 552
 553                         case "namespace":
 554                             parent.name = n;
 555                             break;
 556
 557                         case "alias":
 558                             return;
 559                             //break; // not handled..
 560
 561                         case "class":
 562                                 var c = new GirObject("Class", parent.name + "." + n);
 563                                 parent.classes.set(n, c);
 564                                 c.ns = this.ns;
 565                                 c.parent = element->get_prop("parent");
 566                                 c.gparent = parent;
 567                                 if (c.parent == null) {
 568                                         c.parent = "";
 569                                 }
 570                                 parent =  c;
 571                                 break;
 572
 573                         case "interface":
 574                             var c = new GirObject("Interface", parent.name + "." + n);
 575                             c.gparent = parent;
 576                             parent.classes.set(n, c);
 577                                                 c.ns = this.ns;
 578                                                 c.ns = parent.name;
 579                             c.parent = element->get_prop("parent");
 580                                                 if (c.parent == null) {
 581                                                         c.parent = "";
 582                                                 }
 583                                                 parent =  c;
 584                             break;
 585
 586
 587                         case "doc":
 588                             parent.doctxt = element->get_content();
 589                             return;
 590
 591                         case "implements":
 592                             parent.implements.add(n);
 593
 594                             break;
 595
 596                         case "constructor":
 597                             var c = new GirObject("Ctor",n);
 598                             c.ns = this.ns;
 599                             c.gparent = parent;
 600                             parent.ctors.set(n,c);
 601                             parent  = c;
 602                             break;
 603
 604                         case "return-value":
 605                             var c = new GirObject("Return", "return-value");
 606                             c.gparent = parent;
 607                             c.ns = this.ns;
 608                             parent.return_value = c;
 609                             parent =  c;
 610                             break;
 611
 612                         case "virtual-method": // not sure...
 613                             return;
 614                         /*
 615                             var c = new GirObject("Signal",n);
 616                             parent.signals.set(n,c);
 617                             parent = c;
 618                             break;
 619                         */
 620                         case "signal": // Glib:signal
 621                                 var c = new GirObject("Signal",n.replace("-", "_"));
 622                                 c.gparent = parent;
 623                                 c.ns = this.ns;
 624                                 parent.signals.set(n.replace("-", "_"),c);
 625                                 parent = c;
 626                                 break;
 627
 628
 629
 630                         case "callback": // not sure...
 631                             return;
 632
 633
 634                         case "type":
 635                             parent.type = n;
 636
 637                                                 return; // no children?
 638                             //break;
 639
 640                         case "method":
 641                                 var c = new GirObject("Method",n);
 642                                 c.gparent = parent;
 643                                 c.ns = this.ns;
 644                                 c.propertyof = parent.name;
 645                                 parent.methods.set(n,c);
 646                                 parent = c;
 647                                 break;
 648
 649                         case "parameters":
 650                             var c = new GirObject("Paramset",n);
 651                             c.gparent = parent;
 652                             c.ns = this.ns;
 653                             parent.paramset = c;
 654                             parent =  c;
 655                             break;
 656
 657                         case "instance-parameter":
 658                                 var c = new GirObject("Param",n);
 659                                 c.gparent = parent;
 660                                 c.ns = this.ns;
 661                                 c.is_instance = true;
 662                                 parent.params.add(c);
 663                                 parent = c;
 664                                 break;
 665
 666                         case "parameter":
 667                                 var c = new GirObject("Param",n);
 668                                 c.gparent = parent;
 669                                 c.ns = this.ns;
 670                                 parent.params.add(c);
 671                                 parent = c;
 672                                 this.checkParamOverride(c);
 673                             break;
 674
 675                         case "property":
 676                         case "field":
 677                                 var c = new GirObject("Prop",n.replace("-", "_"));
 678                                 c.gparent = parent;
 679                                 c.ns = this.ns;
 680                                 c.propertyof = parent.name;
 681                                 parent.props.set(n.replace("-", "_"),c);
 682                                 parent = c;
 683                                 break;
 684
 685                         case "function":
 686                             var c = new GirObject("Function",n);
 687                             c.gparent = parent;
 688                             c.ns = this.ns;
 689                             parent.methods.set(n,c);
 690                             parent = c;
 691                             break;
 692
 693                         case "array":
 694                             parent.is_array = true;
 695                             break; // type is added soon..
 696
 697                         case "varargs":
 698                             parent.is_varargs= true;
 699                             return;
 700
 701                         case "constant":
 702                             var c = new GirObject("Const",n);
 703                             c.gparent = parent;
 704                             c.value = element->get_prop("value");
 705                                                 c.ns = this.ns;
 706                             parent.consts.set(n,c);
 707                             parent = c;
 708                             return;
 709                             //break;
 710                         case "bitfield":
 711                         case "enumeration":
 712                                 var c = new GirObject("Enum",n);
 713                                 c.gparent = parent;
 714                                 c.ns = this.ns;
 715                                 parent.consts.set(n,c);
 716
 717                                 parent = c;
 718                                 break;
 719
 720                         case "member":
 721                                 var c = new GirObject("EnumMember",n);
 722                                 c.gparent = parent;
 723                                 c.ns = this.ns;
 724                                 c.value = element->get_prop("value");
 725                                 parent.consts.set(n,c);
 726                                 return;
 727                                 break;
 728
 729
 730                         case "doc-deprecated":
 731                             return;
 732
 733                         case "record": // struct?
 734                             return;
 735
 736
 737                             return;
 738                         case "prerequisite": // ignore?
 739                             return;
 740                                         case "union": // ignore?
 741                             return;
 742                                         default:
 743                             print("UNHANDLED Gir file element: " + element->name +"\n");
 744                             return;
 745                     }
 746                     /*
 747                     if (element->name == "signal") {
 748                         path += ".signal";
 749                     }
 750
 751
 752                     if (element->name == "return-value") {
 753                         path += ".return-value";
 754                     }
 755                     print(path + ":"  + element->name + "\n");
 756                     */
 757                     //var d =   getAttribute(element,'doc');
 758                     //if (d) {
 759                      //   Seed.print(path + ':' + d);
 760                     //    ret[path] = d;
 761                     //}
 762                     for (Xml.Node* iter = element->children; iter != null; iter = iter->next) {
 763                         if (iter->type == Xml.ElementType.TEXT_NODE) {
 764                             continue;
 765                         }
 766                         this.walk(iter, parent);
 767                     }
 768
 769                 }
 770                 public string doc(string what)
 771                 {
 772                         var ar = what.split(".");
 773                         var cls = this.classes.get(ar[1]);
 774                         if (ar.length == 2) {
 775                                 return cls.doctxt != null ? cls.doctxt : "";
 776                         }
 777                         // return the property.. by default..
 778                         var pr = cls.props.get(ar[2]);
 779                         return pr.doctxt != null ? pr.doctxt : "";
 780
 781                 }
 782
 783
 784
 785                 public void checkParamOverride(GirObject c)
 786                 {
 787                         var parset = c.gparent;
 788                         if (parset == null || parset.nodetype != "Paramset") {
 789                                 return;
 790                         }
 791                         var method = parset.gparent;
 792                         if (method == null || method.nodetype != "Ctor") {
 793                                 return;
 794                         }
 795                         var cls = method.gparent;
 796                         if (cls == null || cls.nodetype != "Class") {
 797                                 return;
 798                         }
 799
 800
 801
 802                         c.name = this.fetchOverride( cls.name, method.name, c.name);
 803                 }
 804                 public static bool overrides_loaded = false;
 805                 public static Gee.HashMap<string,string> overrides;
 806
 807                 public string fetchOverride(  string cls, string method, string param)
 808                 {
 809                         // overrides should be in a file Gir.overides
 810                         // in that "Gtk.Label.new.str" : "label"
 811                         this.loadOverrides();
 812                         var key = "%s.%s.%s".printf(cls,method,param);
 813                         //print("Chekcing for key %s\n", key);
 814                         if (!overrides.has_key(key)) {
 815                                 return param;
 816                         }
 817                         return overrides.get(key);
 818
 819
 820                 }
 821                 public void loadOverrides()
 822                 {
 823                         if (overrides_loaded) {
 824                                 return;
 825                         }
 826
 827                         var pa = new Json.Parser();
 828                         pa.load_from_file(Builder4.Application.configDirectory() + "/resources/Gir.overides");
 829                         var node = pa.get_root();
 830
 831                         if (node.get_node_type () != Json.NodeType.OBJECT) {
 832                                 throw new GirError.INVALID_FORMAT ("Error loading gir.overides : Unexpected element type %s", node.type_name ());
 833                         }
 834                         overrides = new Gee.HashMap<string,string>();
 835
 836
 837                         var obj = node.get_object ();
 838
 839
 840                         obj.foreach_member((o , key, value) => {
 841                                 //print(key+"\n");
 842
 843                                 var v = obj.get_string_member(key);
 844
 845
 846                                 overrides.set(key, v);
 847
 848                         });
 849
 850                         overrides_loaded = true;
 851
 852
 853
 854                 }
 855         }
 856
 857
 858 }