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.ret += pad + "public static " + xcls + " singleton()\n" +
 225                                 this.pad + "{\n" +
 226                                 this.ipad + "if (_" + this.node.xvala_id  + " == null) {\n" +
 227                                 this.ipad + "    _" + this.node.xvala_id + "= new "+ this.xcls + "();\n" + // what about args?
 228                         this.ipad + "}\n" +
 229                         this.ipad + "return _" + this.node.xvala_id +";\n" +
 230                                 this.pad + "}\n";
 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.ret += this.pad + "public " + n.xvala_xcls + " " + n.xvala_id + ";\n";
 257                                 }
 258
 259         }
 260
 261                 void addMyVars()
 262         {
 263                 this.ret += "\n" + this.ipad + "// my vars (def)\n";
 264
 265
 266
 267                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 268
 269                 if (cls == null) {
 270                         return;
 271                 }
 272
 273
 274                         // Key = TYPE:name
 275                 var iter = this.node.props.map_iterator();
 276                 while (iter.next()) {
 277                                 var k = iter.get_key();
 278                         if (this.shouldIgnore(k)) {
 279                                 continue;
 280                         }
 281                         var vv = k.strip().split(" ");
 282                         // user defined method
 283                         if (vv[0] == "|") {
 284                                 continue;
 285                         }
 286                         if (vv[0] == "*") {
 287                                 continue;
 288                         }
 289
 290                                 if (vv[0] == "@") {
 291                                         this.ret += this.pad + "public signal" + k.substring(1)  + " "  + iter.get_value() + ";\n";
 292                                 this.ignore(k);
 293                                 continue;
 294                                 }
 295                         var min = (vv[0] == "$" || vv[0] == "#") ? 3 : 2;
 296                         if (vv.length < min) {
 297                                 // skip 'old js style properties without a type'
 298                                 continue;
 299                         }
 300
 301                         var kname = vv[vv.length-1];
 302
 303                         if (this.shouldIgnore(kname)) {
 304                                 continue;
 305                         }
 306
 307                         // is it a class property...
 308                         if (cls.props.has_key(kname) && vv[0] != "#") {
 309                                 continue;
 310                         }
 311
 312                         this.myvars.add(k);
 313
 314
 315                         this.ret += this.pad + "public " +
 316                                 (k[0] == '$' || k[0] == '#' ? k.substring(2) : k ) + ";\n";
 317
 318                         this.ignore(k);
 319
 320
 321                 }
 322         }
 323
 324                         // if id of child is '+' then it's a property of this..
 325                 void addPlusProperties()
 326         {
 327                         if (this.node.items.size < 1) {
 328                           return;
 329                 }
 330                 var iter = this.node.items.list_iterator();
 331                 while (iter.next()) {
 332                         var ci = iter.get();
 333
 334                                         if (ci.xvala_id[0] != '+') {
 335                                                 continue; // skip generation of children?
 336
 337                                         }
 338                                         this.ret += this.pad + "public " + ci.xvala_xcls + " " + ci.xvala_id.substring(1) + ";\n";
 339
 340
 341                                 }
 342         }
 343
 344         void addValaCtor()
 345         {
 346
 347
 348                         // .vala props..
 349
 350                         string[] cargs = {};
 351                         var cargs_str = "";
 352                         // ctor..
 353                         this.ret += "\n" + this.pad + "// ctor \n";
 354                         if (this.node.has("* args")) {
 355                                 // not sure what this is supposed to be ding..
 356
 357                                 cargs_str = ", " + this.node.get("* args");
 358                                 //var ar = this.node.get("* args");.split(",");
 359                                 //for (var ari =0; ari < ar.length; ari++) {
 360                                         //      cargs +=  (ar[ari].trim().split(" ").pop();
 361                                           // }
 362                                 }
 363
 364                         if (this.depth < 1) {
 365                                 this.ret += this.pad + "public " + this.xcls + "(" +
 366                                         cargs_str +")\n" + this.pad + "{\n";
 367                         } else {
 368
 369                                                 //code
 370
 371                                 this.ret+= this.pad + "public " + this.xcls + "(" +
 372                                         this.top.xcls + " _owner " + cargs_str + ")\n" + this.pad + "{\n";
 373                         }
 374
 375
 376         }
 377         void addUnderThis()
 378         {
 379                         // public static?
 380                         if (depth < 1) {
 381                         this.ret += this.ipad + "_this = this;\n";
 382                         return;
 383                 }
 384                 this.ret+= this.ipad + "_this = _owner;\n";
 385
 386                 if (this.node.props.has_key("id")
 387                         &&
 388                         this.node.xvala_id != ""
 389                         &&
 390                         this.node.xvala_id[0] != '*'
 391                         &&
 392                         this.node.xvala_id[0] != '+'
 393                         ) {
 394                                 this.ret+= this.ipad + "_this." + node.xvala_id  + " = this;\n";
 395
 396                 }
 397
 398
 399
 400         }
 401
 402         void addWrappedCtor()
 403         {
 404                 // wrapped ctor..
 405                 // this may need to look up properties to fill in the arguments..
 406                 // introspection does not workk..... - as things like gtkmessagedialog
 407                 /*
 408                 if (cls == 'Gtk.Table') {
 409
 410                 var methods = this.palete.getPropertiesFor(cls, 'methods');
 411
 412                 print(JSON.stringify(this.palete.proplist[cls], null,4));
 413                 Seed.quit();
 414                 }
 415                 */
 416                 if (this.node.has("* ctor")) {
 417
 418
 419                                 this.ret +=  this.ipad + "this.el = " + this.node.get("* ctor")+ ";\n";
 420                         return;
 421                 }
 422                 // the ctor arguments...
 423
 424                 // see what the
 425                 //var default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".newv");
 426                 //if (default_ctor == null) {
 427                         var  default_ctor = Palete.Gir.factoryFqn(this.node.fqn() + ".new");
 428
 429                 //}
 430                 if (default_ctor != null && default_ctor.paramset != null && default_ctor.paramset.params.size > 0) {
 431                         string[] args  = {};
 432                         var iter =default_ctor.paramset.params.list_iterator();
 433                         while (iter.next()) {
 434                                 var n = iter.get().name;
 435                                 if (!this.node.has(n)) {
 436
 437                                         if (iter.get().type.contains("int")) {
 438                                                 args += "0";
 439                                                 continue;
 440                                         }
 441                                         if (iter.get().type.contains("float")) {
 442                                                 args += "0f";
 443                                                 continue;
 444                                         }
 445                                         if (iter.get().type.contains("bool")) {
 446                                                 args += "true"; // always default to true?
 447                                                 continue;
 448                                         }
 449                                         // any other types???
 450
 451                                         args += "null";
 452                                         continue;
 453                                 }
 454                                 this.ignoreWrapped(n);
 455                                 this.ignore(n);
 456
 457                                 var v = this.node.get(n);
 458
 459                                 if (iter.get().type == "string") {
 460                                         v = "\"" +  v.escape("") + "\"";
 461                                 }
 462                                 if (v == "TRUE" || v == "FALSE") {
 463                                         v = v.down();
 464                                 }
 465
 466
 467                                 args += v;
 468
 469                         }
 470                         this.ret += this.ipad + "this.el = new " + cls + "( "+ string.joinv(", ",args) + " );\n" ;
 471                         return;
 472
 473                 }
 474
 475
 476                                 this.ret += this.ipad + "this.el = new " + this.cls + "();\n";
 477
 478
 479         }
 480
 481         void addInitMyVars()
 482         {
 483                         //var meths = this.palete.getPropertiesFor(item['|xns'] + '.' + item.xtype, 'methods');
 484                         //print(JSON.stringify(meths,null,4));Seed.quit();
 485
 486
 487
 488                         // initialize.. my vars..
 489                 this.ret += "\n" + this.ipad + "// my vars (dec)\n";
 490
 491                 var iter = this.myvars.list_iterator();
 492                 while(iter.next()) {
 493
 494                                 var k = iter.get();
 495
 496                                 var ar  = k.strip().split(" ");
 497                         var kname = ar[ar.length-1];
 498
 499                                 var v = this.node.props.get(k);
 500                         // ignore signals..
 501                                 if (v.length < 1) {
 502                                                 continue;
 503                                 }
 504                         if (v == "FALSE" || v == "TRUE") {
 505                                 v = v.down();
 506                         }
 507 //FIXME -- check for raw string.. "string XXXX"
 508
 509                         // if it's a string...
 510
 511                                 this.ret += this.ipad + "this." + kname + " = " +   v +";\n";
 512                         }
 513         }
 514
 515
 516
 517
 518
 519         void addWrappedProperties()
 520         {
 521                 var cls = Palete.Gir.factoryFqn(this.node.fqn());
 522                 if (cls == null) {
 523                         return;
 524                 }
 525                         // what are the properties of this class???
 526                 this.ret += "\n" + this.ipad + "// set gobject values\n";
 527
 528                 var iter = cls.props.map_iterator();
 529                 while (iter.next()) {
 530                         var p = iter.get_key();
 531                         print("Check Write %s\n", p);
 532                         if (!this.node.has(p)) {
 533                                 continue;
 534                         }
 535                         if (this.shouldIgnoreWrapped(p)) {
 536                                 continue;
 537                         }
 538
 539                                 this.ignore(p);
 540                         var v = this.node.get(p);
 541
 542                         var nodekey = this.node.get_key(p);
 543
 544                         // user defined properties.
 545                         if (nodekey[0] == '#') {
 546                                 continue;
 547                         }
 548
 549
 550
 551                         var is_raw = nodekey[0] == '$';
 552
 553                         // what's the type.. - if it's a string.. then we quote it..
 554                         if (iter.get_value().type == "string" && !is_raw) {
 555                                  v = "\"" +  v.escape("") + "\"";
 556                         }
 557                         if (v == "TRUE" || v == "FALSE") {
 558                                 v = v.down();
 559                         }
 560                         if (iter.get_value().type == "float" && v[v.length-1] != 'f') {
 561                                 v += "f";
 562                         }
 563
 564
 565                         this.ret += "%sthis.el.%s = %s;\n".printf(ipad,p,v); // // %s,  iter.get_value().type);
 566
 567                            // got a property..
 568
 569
 570                 }
 571
 572         }
 573
 574         void addChildren()
 575         {
 576                                 //code
 577                 if (this.node.items.size < 1) {
 578                         return;
 579                 }
 580
 581                         var iter = this.node.items.list_iterator();
 582                 var i = -1;
 583                 while (iter.next()) {
 584                         i++;
 585
 586                                         var ci = iter.get();
 587
 588                         if (ci.xvala_id[0] == '*') {
 589                                                 continue; // skip generation of children?
 590                                         }
 591
 592                                         var xargs = "";
 593                                         if (ci.has("* args")) {
 594
 595                                                 var ar = ci.get("* args").split(",");
 596                                                 for (var ari = 0 ; ari < ar.length; ari++ ) {
 597                                         var arg = ar[ari].split(" ");
 598                                                                 xargs += "," + arg[arg.length -1];
 599                                                 }
 600                                         }
 601
 602                                         this.ret += this.ipad + "var child_" + "%d".printf(i) + " = new " + ci.xvala_xcls +
 603                                         "( _this " + xargs + ");\n" ;
 604
 605                                         this.ret+= this.ipad + "child_" + "%d".printf(i) +".ref();\n"; // we need to reference increase unnamed children...
 606
 607                                         if (ci.has("* prop")) {
 608                                                 this.ret+= ipad + "this.el." + ci.get("* prop") + " = child_" + "%d".printf(i) + ".el;\n";
 609                                                 continue;
 610                                         }
 611
 612                         // not sure why we have 'true' in pack?!?
 613                                         if (!ci.has("pack") || ci.get("pack").down() == "false" || ci.get("pack").down() == "true") {
 614                                                 continue;
 615                                         }
 616
 617                                         string[]  packing =  { "add" };
 618                         if (ci.has("pack")) {
 619                                 packing = ci.get("pack").split(",");
 620                         }
 621
 622                                         var pack = packing[0];
 623                         this.ret += this.ipad + "this.el." + pack.strip() + " (  child_" + "%d".printf(i) + ".el " +
 624                                                            (packing.length > 1 ?
 625                                                                 (", " + string.joinv(",", packing).substring(pack.length+1))
 626                                                         :
 627                                                                         ""
 628                                                                 ) + " );\n";
 629
 630
 631                                         if (ci.xvala_id[0] != '+') {
 632                                                 continue; // skip generation of children?
 633
 634                                         }
 635                                         this.ret+= this.ipad + "this." + ci.xvala_id.substring(1) + " =  child_" + "%d".printf(i) +  ";\n";
 636
 637                 }
 638         }
 639
 640         void addInit()
 641         {
 642
 643
 644                 if (!this.node.has("init")) {
 645                                 return;
 646                 }
 647                 this.ret+= "\n" + ipad + "// init method \n";
 648
 649                 this.ret+= "\n" + ipad + this.padMultiline(ipad, this.node.get("init")) + "\n";
 650
 651          }
 652          void addListeners()
 653          {
 654                 if (this.node.listeners.size < 1) {
 655                         return;
 656                 }
 657
 658
 659
 660                 this.ret+= "\n" + ipad + "// listeners \n";
 661
 662                 var iter = this.node.listeners.map_iterator();
 663                 while (iter.next()) {
 664                         var k = iter.get_key();
 665                         var v = iter.get_value();
 666                                         this.ret+= this.ipad + "this.el." + k + ".connect( " +
 667                                         this.padMultiline(this.ipad,v) +");\n";
 668
 669                                 }
 670         }
 671                 void addEndCtor()
 672         {
 673
 674
 675
 676                         // end ctor..
 677                         this.ret+= this.pad + "}\n";
 678         }
 679
 680
 681         /*
 682  * Standardize this crap...
 683  *
 684  * standard properties (use to set)
 685  *          If they are long values show the dialog..
 686  *
 687  * someprop : ....
 688  * bool is_xxx  :: can show a pulldown.. (true/false)
 689  * string html
 690  * $ string html  = string with value interpolated eg. baseURL + ".."
 691  *  Clutter.ActorAlign x_align  (typed)  -- shows pulldowns if type is ENUM?
 692  * $ untypedvalue = javascript untyped value...
 693  * _ string html ... = translatable..
 694
 695  *
 696  * object properties (not part of the GOjbect being wrapped?
 697  * # Gee.ArrayList<Xcls_fileitem> fileitems
 698  *
 699  * signals
 700  * @ void open
 701  *
 702  * methods -- always text editor..
 703  * | void clearFiles
 704  * | someJSmethod
 705  *
 706  * specials
 707  * * prop -- string
 708  * * args  -- string
 709  * * ctor -- string
 710  * * init -- big string?
 711  *
 712  * event handlers (listeners)
 713  *   just shown
 714  *
 715  * -----------------
 716  * special ID values
 717  *  +XXXX -- indicates it's a instance property / not glob...
 718  *  *XXXX -- skip writing glob property (used as classes that can be created...)
 719  *
 720  *
 721  */
 722
 723         void addUserMethods()
 724         {
 725
 726                 this.ret+= "\n" + pad + "// user defined functions \n";
 727
 728                         // user defined functions...
 729                 var iter = this.node.props.map_iterator();
 730                 while(iter.next()) {
 731                                 var k = iter.get_key();
 732                         if (this.shouldIgnore(k)) {
 733                                 continue;
 734                         }
 735                         // HOW TO DETERIME if its a method?
 736                                 if (k[0] != '|') {
 737                                                 //strbuilder("\n" + pad + "// skip " + k + " - not pipe \n");
 738                                                 continue;
 739                         }
 740                                 // function in the format of {type} (args) { .... }
 741                                 var kk = k.substring(2);
 742                                 var vv = iter.get_value();
 743                                 this.ret += this.pad + "public " + kk + " " + this.padMultiline(this.pad, vv) + "\n";
 744
 745
 746                         }
 747         }
 748
 749         void iterChildren()
 750         {
 751
 752                         if (this.depth > 0) {
 753                         this.ret+= this.inpad + "}\n";
 754                         }
 755
 756                 var iter = this.node.items.list_iterator();
 757                 var i = -1;
 758                 while (iter.next()) {
 759                                 this.ret += this.mungeChild(iter.get());
 760                 }
 761
 762                         if (this.depth < 1) {
 763                                 this.ret+= this.inpad + "}\n";
 764                         }
 765
 766                 }
 767
 768         string padMultiline(string pad, string str)
 769         {
 770                 var ar = str.strip().split("\n");
 771                 return string.joinv("\n" + pad , ar);
 772         }
 773
 774         void ignore(string i) {
 775                 this.ignoreList.add(i);
 776
 777         }
 778         void ignoreWrapped(string i) {
 779                 this.ignoreWrappedList.add(i);
 780
 781         }
 782         bool shouldIgnore(string i)
 783         {
 784                 return ignoreList.contains(i);
 785         }
 786         bool shouldIgnoreWrapped(string i)
 787         {
 788                 return ignoreWrappedList.contains(i);
 789         }
 790
 791 }
 792
 793
 794
 795
 796
 797