git.roojs.org Git - app.Builder.js/blob - src/JsRender/NodeToVala.vala

   1 /**
   2  *
   3  * Code to convert node tree to Javascript...
   4  *
   5  * usage : x = (new JsRender.NodeToJs(node)).munge();
   6  *
   7  *
   8  *
   9  *
  10  *
  11 */
  12
  13
  14
  15
  16 public class JsRender.NodeToVala : Object {
  17
  18         Node node;
  19
  20         int depth;
  21         string inpad;
  22         string pad;
  23         string ipad;
  24         string cls;
  25         string xcls;
  26
  27         string ret;
  28
  29         int cur_line;
  30
  31         Gee.ArrayList<string> ignoreList;
  32         Gee.ArrayList<string> ignoreWrappedList;
  33         Gee.ArrayList<string> myvars;
  34         Gee.ArrayList<Node> vitems; // top level items
  35         NodeToVala top;
  36         JsRender file;
  37
  38         /*
  39          * ctor - just initializes things
  40          * - wraps a render node
  41          */
  42         public NodeToVala( Node node,  int depth, NodeToVala? parent)
  43         {
  44
  45
  46                 this.node = node;
  47                 this.depth = depth;
  48                 this.inpad = string.nfill(depth > 0 ? 4 : 0, ' ');
  49                 this.pad = this.inpad + "    ";
  50                 this.ipad = this.inpad + "        ";
  51                 this.cls = node.xvala_cls;
  52                 this.xcls = node.xvala_xcls;
  53                 this.ret = "";
  54                 this.cur_line = parent == null ? 0 : parent.cur_line;
  55
  56
  57                 this.top = parent == null ? this : parent.top;
  58                 this.ignoreList = new Gee.ArrayList<string>();
  59                 this.ignoreWrappedList  = new Gee.ArrayList<string>();
  60                 this.myvars = new Gee.ArrayList<string>();
  61                 this.vitems = new Gee.ArrayList<Node>();
  62                 this.file = null;
  63
  64                 // initialize line data..
  65                 node.line = this.cur_line;
  66                 node.proplines = new Gee.HashMap<string,int>();
  67                 node.listenlines = Gee.HashMap<string,int>();
  68
  69
  70
  71         }
  72
  73         public int vcnt = 0;
  74         string toValaNS(Node item)
  75         {
  76                 var ns = item.get("xns") ;
  77                 if (ns == "GtkSource") {
  78                         return "Gtk.Source";
  79                 }
  80                 return ns + ".";
  81         }
  82         public void  toValaName(Node item, int depth =0)
  83         {
  84                 this.vcnt++;
  85
  86                 var ns =  this.toValaNS(item) ;
  87                 var cls = ns + item.get("xtype");
  88
  89
  90                 item.xvala_cls = cls;
  91
  92
  93                 string id = item.get("id").length > 0 ?
  94                         item.get("id") :  "%s%d".printf(item.get("xtype"), this.vcnt);
  95
  96
  97
  98
  99                 if (id[0] == '*' || id[0] == '+') {
 100                         item.xvala_xcls = "Xcls_" + id.substring(1);
 101                 } else {
 102                         item.xvala_xcls = "Xcls_" + id;
 103                 }
 104
 105
 106                 item.xvala_id =  id;
 107                 if (depth > 0) {
 108                         this.vitems.add(item);
 109                 } else if (!item.props.has_key("id")) {
 110                         // use the file name..
 111                         item.xvala_xcls =  this.file.name;
 112                         // is id used?
 113                         item.xvala_id = this.file.name;
 114
 115                 }
 116                 // loop children..
 117
 118                 if (item.items.size < 1) {
 119                         return;
 120                 }
 121                 for(var i =0;i<item.items.size;i++) {
 122                         this.toValaName(item.items.get(i), depth+1);
 123                 }
 124
 125         }
 126         /**
 127          *  Main entry point to convert a file into a string..
 128          */
 129         public static string mungeFile(JsRender file)
 130         {
 131                 if (file.tree == null) {
 132                         return "";
 133                 }
 134
 135                 var n = new NodeToVala(file.tree, 0, null);
 136                 n.file = file;
 137                 n.vcnt = 0;
 138
 139                 n.toValaName(file.tree);
 140
 141
 142                 GLib.debug("top cls %s / xlcs %s\n ",file.tree.xvala_cls,file.tree.xvala_cls);
 143                 n.cls = file.tree.xvala_cls;
 144                 n.xcls = file.tree.xvala_xcls;
 145                 return n.munge();
 146
 147
 148         }
 149
 150         public string munge ( )
 151         {
 152                 //return this.mungeToString(this.node);
 153
 154                 this.ignore("pack");
 155                 this.ignore("init");
 156                 this.ignore("xns");
 157                 this.ignore("xtype");
 158                 this.ignore("id");
 159
 160                 this.globalVars();
 161                 this.classHeader();
 162                 this.addSingleton();
 163                 this.addTopProperties();
 164                 this.addMyVars();
 165                 this.addPlusProperties();
 166                 this.addValaCtor();
 167                 this.addUnderThis();
 168                 this.addWrappedCtor();
 169
 170                 this.addInitMyVars();
 171                 this.addWrappedProperties();
 172                 this.addChildren();
 173                 this.addInit();
 174                 this.addListeners();
 175                 this.addEndCtor();
 176                 this.addUserMethods();
 177                 this.iterChildren();
 178
 179                 return this.ret;
 180
 181
 182         }
 183         public string mungeChild(  Node cnode)
 184         {
 185                 var x = new  NodeToVala(cnode,  this.depth+1, this);
 186                 return x.munge();
 187         }
 188         public void addLine(string str= "")
 189         {
 190                 this.cur_line++;
 191                 this.ret += str + "\n";
 192         }
 193
 194
 195         public void globalVars()
 196         {
 197                 if (this.depth > 0) {
 198                         return;
 199                 }
 200                 // Global Vars..
 201                 //this.ret += this.inpad + "public static " + this.xcls + "  " + this.node.xvala_id+ ";\n\n";
 202
 203                 this.addLine("%sstatic %s _%s;".printf(this.inpad, this.xcls, this.node.xvala_id));
 204                 this.addLine();
 205                 //this.ret += this.inpad + "static " + this.xcls + "  _" + this.node.xvala_id+ ";\n\n";
 206
 207
 208         }
 209
 210         void classHeader()
 211         {
 212
 213                 // class header..
 214                 // class xxx {   WrappedGtk  el; }
 215                 this.addLine(inpad + "public class " + this.xcls + " : Object \n" + this.inpad + "{");
 216                 this.node.line = this.cur_line;
 217
 218
 219                 this.addLine(this.pad + "public " + this.cls + " el;");
 220
 221
 222                 this.addLine(this.pad + "private " + this.top.xcls + "  _this;)";
 223                 this.addLine();
 224
 225
 226
 227                         // singleton
 228         }
 229         void addSingleton()
 230         {
 231                 if (depth > 0) {
 232                         return;
 233                 }
 234                 this.addLine(pad + "public static " + xcls + " singleton()");
 235                 this.addLine(this.pad + "{")
 236                 this.addLine(this.ipad +    "if (_" + this.node.xvala_id  + " == null) {");
 237                 this.addLine(this.ipad +    "    _" + this.node.xvala_id + "= new "+ this.xcls + "();");  // what about args?
 238                 this.addLine(this.ipad +    "}");
 239                 this.addLine(this.ipad +    "return _" + this.node.xvala_id +";");
 240                 this.addLine(this.pad + "}");
 241         }
 242
 243         /**
 244          * when ID is used... on an element, it registeres a property on the top level...
 245          *
 246          */
 247         void addTopProperties()
 248         {
 249                 if (this.depth > 0) {
 250                         return;
 251                 }
 252                 // properties - global..??
 253
 254                 var iter = this.vitems.list_iterator();
 255                 while(iter.next()) {
 256                         var n = iter.get();
 257
 258
 259                         if (!n.props.has_key("id") || n.xvala_id.length < 0) {
 260                                 continue;
 261
 262                         }
 263                         if (n.xvala_id[0] == '*') {
 264                                 continue;
 265                         }
 266                         if (n.xvala_id[0] == '+') {
 267                                 continue;
 268                         }
 269                         this.addLine(this.pad + "public " + n.xvala_xcls + " " + n.xvala_id + ";");
 270
 271                 }
 272
 273         }
 274
 275                 void addMyVars()
 276         {
 277                 this.ret += "\n" + this.ipad + "// my vars (def)\n";
 278
 279
 280
 281                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 282
 283                 if (cls == null) {
 284                         return;
 285                 }
 286
 287
 288                         // Key = TYPE:name
 289                 var iter = this.node.props.map_iterator();
 290                 while (iter.next()) {
 291                                 var k = iter.get_key();
 292                         if (this.shouldIgnore(k)) {
 293                                 continue;
 294                         }
 295                         var vv = k.strip().split(" ");
 296                         // user defined method
 297                         if (vv[0] == "|") {
 298                                 continue;
 299                         }
 300                         if (vv[0] == "*") {
 301                                 continue;
 302                         }
 303
 304                                 if (vv[0] == "@") {
 305                                         this.ret += this.pad + "public signal" + k.substring(1)  + " "  + iter.get_value() + ";\n";
 306                                 this.ignore(k);
 307                                 continue;
 308                                 }
 309                         var min = (vv[0] == "$" || vv[0] == "#") ? 3 : 2;
 310                         if (vv.length < min) {
 311                                 // skip 'old js style properties without a type'
 312                                 continue;
 313                         }
 314
 315                         var kname = vv[vv.length-1];
 316
 317                         if (this.shouldIgnore(kname)) {
 318                                 continue;
 319                         }
 320
 321                         // is it a class property...
 322                         if (cls.props.has_key(kname) && vv[0] != "#") {
 323                                 continue;
 324                         }
 325
 326                         this.myvars.add(k);
 327
 328
 329                         this.ret += this.pad + "public " +
 330                                 (k[0] == '$' || k[0] == '#' ? k.substring(2) : k ) + ";\n";
 331
 332                         this.ignore(k);
 333
 334
 335                 }
 336         }
 337
 338                         // if id of child is '+' then it's a property of this..
 339                 void addPlusProperties()
 340         {
 341                         if (this.node.items.size < 1) {
 342                           return;
 343                 }
 344                 var iter = this.node.items.list_iterator();
 345                 while (iter.next()) {
 346                         var ci = iter.get();
 347
 348                                         if (ci.xvala_id[0] != '+') {
 349                                                 continue; // skip generation of children?
 350
 351                                         }
 352                                         this.ret += this.pad + "public " + ci.xvala_xcls + " " + ci.xvala_id.substring(1) + ";\n";
 353
 354
 355                                 }
 356         }
 357
 358         void addValaCtor()
 359         {
 360
 361
 362                         // .vala props..
 363
 364                         string[] cargs = {};
 365                         var cargs_str = "";
 366                         // ctor..
 367                         this.ret += "\n" + this.pad + "// ctor \n";
 368                         if (this.node.has("* args")) {
 369                                 // not sure what this is supposed to be ding..
 370
 371                                 cargs_str = ", " + this.node.get("* args");
 372                                 //var ar = this.node.get("* args");.split(",");
 373                                 //for (var ari =0; ari < ar.length; ari++) {
 374                                         //      cargs +=  (ar[ari].trim().split(" ").pop();
 375                                           // }
 376                                 }
 377
 378                         if (this.depth < 1) {
 379                                 this.ret += this.pad + "public " + this.xcls + "(" +
 380                                         cargs_str +")\n" + this.pad + "{\n";
 381                         } else {
 382
 383                                                 //code
 384
 385                                 this.ret+= this.pad + "public " + this.xcls + "(" +
 386                                         this.top.xcls + " _owner " + cargs_str + ")\n" + this.pad + "{\n";
 387                         }
 388
 389
 390         }
 391         void addUnderThis()
 392         {
 393                         // public static?
 394                         if (depth < 1) {
 395                         this.ret += this.ipad + "_this = this;\n";
 396                         return;
 397                 }
 398                 this.ret+= this.ipad + "_this = _owner;\n";
 399
 400                 if (this.node.props.has_key("id")
 401                         &&
 402                         this.node.xvala_id != ""
 403                         &&
 404                         this.node.xvala_id[0] != '*'
 405                         &&
 406                         this.node.xvala_id[0] != '+'
 407                         ) {
 408                                 this.ret+= this.ipad + "_this." + node.xvala_id  + " = this;\n";
 409
 410                 }
 411
 412
 413
 414         }
 415
 416         void addWrappedCtor()
 417         {
 418                 // wrapped ctor..
 419                 // this may need to look up properties to fill in the arguments..
 420                 // introspection does not workk..... - as things like gtkmessagedialog
 421                 /*
 422                 if (cls == 'Gtk.Table') {
 423
 424                 var methods = this.palete.getPropertiesFor(cls, 'methods');
 425
 426                 print(JSON.stringify(this.palete.proplist[cls], null,4));
 427                 Seed.quit();
 428                 }
 429                 */
 430                 if (this.node.has("* ctor")) {
 431
 432
 433                                 this.ret +=  this.ipad + "this.el = " + this.node.get("* ctor")+ ";\n";
 434                         return;
 435                 }
 436                 // the ctor arguments...
 437
 438                 // see what the
 439                 //var default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".newv");
 440                 //if (default_ctor == null) {
 441                         var  default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".new");
 442
 443                 //}
 444                 if (default_ctor != null && default_ctor.paramset != null && default_ctor.paramset.params.size > 0) {
 445                         string[] args  = {};
 446                         var iter =default_ctor.paramset.params.list_iterator();
 447                         while (iter.next()) {
 448                                 var n = iter.get().name;
 449                                 if (!this.node.has(n)) {
 450
 451                                         if (iter.get().type.contains("int")) {
 452                                                 args += "0";
 453                                                 continue;
 454                                         }
 455                                         if (iter.get().type.contains("float")) {
 456                                                 args += "0f";
 457                                                 continue;
 458                                         }
 459                                         if (iter.get().type.contains("bool")) {
 460                                                 args += "true"; // always default to true?
 461                                                 continue;
 462                                         }
 463                                         // any other types???
 464
 465                                         args += "null";
 466                                         continue;
 467                                 }
 468                                 this.ignoreWrapped(n);
 469                                 this.ignore(n);
 470
 471                                 var v = this.node.get(n);
 472
 473                                 if (iter.get().type == "string") {
 474                                         v = "\"" +  v.escape("") + "\"";
 475                                 }
 476                                 if (v == "TRUE" || v == "FALSE") {
 477                                         v = v.down();
 478                                 }
 479
 480
 481                                 args += v;
 482
 483                         }
 484                         this.ret += this.ipad + "this.el = new " + cls + "( "+ string.joinv(", ",args) + " );\n" ;
 485                         return;
 486
 487                 }
 488
 489
 490                                 this.ret += this.ipad + "this.el = new " + this.cls + "();\n";
 491
 492
 493         }
 494
 495         void addInitMyVars()
 496         {
 497                         //var meths = this.palete.getPropertiesFor(item['|xns'] + '.' + item.xtype, 'methods');
 498                         //print(JSON.stringify(meths,null,4));Seed.quit();
 499
 500
 501
 502                         // initialize.. my vars..
 503                 this.ret += "\n" + this.ipad + "// my vars (dec)\n";
 504
 505                 var iter = this.myvars.list_iterator();
 506                 while(iter.next()) {
 507
 508                                 var k = iter.get();
 509
 510                                 var ar  = k.strip().split(" ");
 511                         var kname = ar[ar.length-1];
 512
 513                                 var v = this.node.props.get(k);
 514                         // ignore signals..
 515                                 if (v.length < 1) {
 516                                                 continue;
 517                                 }
 518                         if (v == "FALSE" || v == "TRUE") {
 519                                 v = v.down();
 520                         }
 521 //FIXME -- check for raw string.. "string XXXX"
 522
 523                         // if it's a string...
 524
 525                                 this.ret += this.ipad + "this." + kname + " = " +   v +";\n";
 526                         }
 527         }
 528
 529
 530
 531
 532
 533         void addWrappedProperties()
 534         {
 535                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 536                 if (cls == null) {
 537                         return;
 538                 }
 539                         // what are the properties of this class???
 540                 this.ret += "\n" + this.ipad + "// set gobject values\n";
 541
 542                 var iter = cls.props.map_iterator();
 543                 while (iter.next()) {
 544                         var p = iter.get_key();
 545                         print("Check Write %s\n", p);
 546                         if (!this.node.has(p)) {
 547                                 continue;
 548                         }
 549                         if (this.shouldIgnoreWrapped(p)) {
 550                                 continue;
 551                         }
 552
 553                                 this.ignore(p);
 554                         var v = this.node.get(p);
 555
 556                         var nodekey = this.node.get_key(p);
 557
 558                         // user defined properties.
 559                         if (nodekey[0] == '#') {
 560                                 continue;
 561                         }
 562
 563
 564
 565                         var is_raw = nodekey[0] == '$';
 566
 567                         // what's the type.. - if it's a string.. then we quote it..
 568                         if (iter.get_value().type == "string" && !is_raw) {
 569                                  v = "\"" +  v.escape("") + "\"";
 570                         }
 571                         if (v == "TRUE" || v == "FALSE") {
 572                                 v = v.down();
 573                         }
 574                         if (iter.get_value().type == "float" && v[v.length-1] != 'f') {
 575                                 v += "f";
 576                         }
 577
 578
 579                         this.ret += "%sthis.el.%s = %s;\n".printf(ipad,p,v); // // %s,  iter.get_value().type);
 580
 581                            // got a property..
 582
 583
 584                 }
 585
 586         }
 587
 588         void addChildren()
 589         {
 590                                 //code
 591                 if (this.node.items.size < 1) {
 592                         return;
 593                 }
 594
 595                         var iter = this.node.items.list_iterator();
 596                 var i = -1;
 597                 while (iter.next()) {
 598                         i++;
 599
 600                                         var ci = iter.get();
 601
 602                         if (ci.xvala_id[0] == '*') {
 603                                                 continue; // skip generation of children?
 604                                         }
 605
 606                                         var xargs = "";
 607                                         if (ci.has("* args")) {
 608
 609                                                 var ar = ci.get("* args").split(",");
 610                                                 for (var ari = 0 ; ari < ar.length; ari++ ) {
 611                                         var arg = ar[ari].split(" ");
 612                                                                 xargs += "," + arg[arg.length -1];
 613                                                 }
 614                                         }
 615
 616                                         this.ret += this.ipad + "var child_" + "%d".printf(i) + " = new " + ci.xvala_xcls +
 617                                         "( _this " + xargs + ");\n" ;
 618
 619                                         this.ret+= this.ipad + "child_" + "%d".printf(i) +".ref();\n"; // we need to reference increase unnamed children...
 620
 621                                         if (ci.has("* prop")) {
 622                                                 this.ret+= ipad + "this.el." + ci.get("* prop") + " = child_" + "%d".printf(i) + ".el;\n";
 623                                                 continue;
 624                                         }
 625
 626                         // not sure why we have 'true' in pack?!?
 627                                         if (!ci.has("pack") || ci.get("pack").down() == "false" || ci.get("pack").down() == "true") {
 628                                                 continue;
 629                                         }
 630
 631                                         string[]  packing =  { "add" };
 632                         if (ci.has("pack")) {
 633                                 packing = ci.get("pack").split(",");
 634                         }
 635
 636                                         var pack = packing[0];
 637                         this.ret += this.ipad + "this.el." + pack.strip() + " (  child_" + "%d".printf(i) + ".el " +
 638                                                            (packing.length > 1 ?
 639                                                                 (", " + string.joinv(",", packing).substring(pack.length+1))
 640                                                         :
 641                                                                         ""
 642                                                                 ) + " );\n";
 643
 644
 645                                         if (ci.xvala_id[0] != '+') {
 646                                                 continue; // skip generation of children?
 647
 648                                         }
 649                                         this.ret+= this.ipad + "this." + ci.xvala_id.substring(1) + " =  child_" + "%d".printf(i) +  ";\n";
 650
 651                 }
 652         }
 653
 654         void addInit()
 655         {
 656
 657
 658                 if (!this.node.has("init")) {
 659                                 return;
 660                 }
 661                 this.ret+= "\n" + ipad + "// init method \n";
 662
 663                 this.ret+= "\n" + ipad + this.padMultiline(ipad, this.node.get("init")) + "\n";
 664
 665          }
 666          void addListeners()
 667          {
 668                 if (this.node.listeners.size < 1) {
 669                         return;
 670                 }
 671
 672
 673
 674                 this.ret+= "\n" + ipad + "// listeners \n";
 675
 676                 var iter = this.node.listeners.map_iterator();
 677                 while (iter.next()) {
 678                         var k = iter.get_key();
 679                         var v = iter.get_value();
 680                                         this.ret+= this.ipad + "this.el." + k + ".connect( " +
 681                                         this.padMultiline(this.ipad,v) +");\n";
 682
 683                                 }
 684         }
 685                 void addEndCtor()
 686         {
 687
 688
 689
 690                         // end ctor..
 691                         this.ret+= this.pad + "}\n";
 692         }
 693
 694
 695         /*
 696  * Standardize this crap...
 697  *
 698  * standard properties (use to set)
 699  *          If they are long values show the dialog..
 700  *
 701  * someprop : ....
 702  * bool is_xxx  :: can show a pulldown.. (true/false)
 703  * string html
 704  * $ string html  = string with value interpolated eg. baseURL + ".."
 705  *  Clutter.ActorAlign x_align  (typed)  -- shows pulldowns if type is ENUM?
 706  * $ untypedvalue = javascript untyped value...
 707  * _ string html ... = translatable..
 708
 709  *
 710  * object properties (not part of the GOjbect being wrapped?
 711  * # Gee.ArrayList<Xcls_fileitem> fileitems
 712  *
 713  * signals
 714  * @ void open
 715  *
 716  * methods -- always text editor..
 717  * | void clearFiles
 718  * | someJSmethod
 719  *
 720  * specials
 721  * * prop -- string
 722  * * args  -- string
 723  * * ctor -- string
 724  * * init -- big string?
 725  *
 726  * event handlers (listeners)
 727  *   just shown
 728  *
 729  * -----------------
 730  * special ID values
 731  *  +XXXX -- indicates it's a instance property / not glob...
 732  *  *XXXX -- skip writing glob property (used as classes that can be created...)
 733  *
 734  *
 735  */
 736
 737         void addUserMethods()
 738         {
 739
 740                 this.ret+= "\n" + pad + "// user defined functions \n";
 741
 742                         // user defined functions...
 743                 var iter = this.node.props.map_iterator();
 744                 while(iter.next()) {
 745                                 var k = iter.get_key();
 746                         if (this.shouldIgnore(k)) {
 747                                 continue;
 748                         }
 749                         // HOW TO DETERIME if its a method?
 750                                 if (k[0] != '|') {
 751                                                 //strbuilder("\n" + pad + "// skip " + k + " - not pipe \n");
 752                                                 continue;
 753                         }
 754                                 // function in the format of {type} (args) { .... }
 755                                 var kk = k.substring(2);
 756                                 var vv = iter.get_value();
 757                                 this.ret += this.pad + "public " + kk + " " + this.padMultiline(this.pad, vv) + "\n";
 758
 759
 760                         }
 761         }
 762
 763         void iterChildren()
 764         {
 765
 766                         if (this.depth > 0) {
 767                         this.ret+= this.inpad + "}\n";
 768                         }
 769
 770                 var iter = this.node.items.list_iterator();
 771                 var i = -1;
 772                 while (iter.next()) {
 773                                 this.ret += this.mungeChild(iter.get());
 774                 }
 775
 776                         if (this.depth < 1) {
 777                                 this.ret+= this.inpad + "}\n";
 778                         }
 779
 780                 }
 781
 782         string padMultiline(string pad, string str)
 783         {
 784                 var ar = str.strip().split("\n");
 785                 return string.joinv("\n" + pad , ar);
 786         }
 787
 788         void ignore(string i) {
 789                 this.ignoreList.add(i);
 790
 791         }
 792         void ignoreWrapped(string i) {
 793                 this.ignoreWrappedList.add(i);
 794
 795         }
 796         bool shouldIgnore(string i)
 797         {
 798                 return ignoreList.contains(i);
 799         }
 800         bool shouldIgnoreWrapped(string i)
 801         {
 802                 return ignoreWrappedList.contains(i);
 803         }
 804
 805 }
 806
 807
 808
 809
 810
 811