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