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