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