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