git.roojs.org Git - app.Builder.js/blob - src/JsRender/NodeToJs.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 public class JsRender.NodeToJs : Object {
  13
  14         static uint indent = 1;
  15         static string indent_str = " ";
  16
  17         Node node;
  18         Gee.ArrayList<string>  doubleStringProps;  // need to think if this is a good idea like this
  19         string pad;
  20
  21         Gee.ArrayList<string> els;
  22         //Gee.ArrayList<string> skip;
  23         Gee.HashMap<string,string> ar_props;
  24
  25         Gee.HashMap<string,string> out_props;
  26         Gee.HashMap<string,string> out_listeners;
  27         Gee.HashMap<string,Node> out_nodeprops;
  28         Gee.ArrayList<Node> out_children;
  29         Gee.HashMap<string,Gee.ArrayList<Node>> out_props_array;
  30         Gee.HashMap<string,Gee.ArrayList<string>> out_props_array_plain;
  31
  32         NodeToJs top;
  33         public string ret;
  34
  35         int cur_line;
  36
  37
  38         public NodeToJs( Node node, Gee.ArrayList<string> doubleStringProps, string pad, NodeToJs? parent)
  39         {
  40                 this.node = node;
  41                 this.doubleStringProps = doubleStringProps;
  42                 this.pad = pad;
  43
  44                 this.els = new Gee.ArrayList<string>();
  45                 this.ar_props = new Gee.HashMap<string,string>();
  46
  47
  48                 this.out_props = new Gee.HashMap<string,string>();
  49                 this.out_listeners = new Gee.HashMap<string,string>();
  50                 this.out_nodeprops = new Gee.HashMap<string,Node>() ;
  51                 this.out_children = new Gee.ArrayList<Node> ();
  52                 this.out_props_array = new Gee.HashMap<string,Gee.ArrayList<Node>>() ;
  53                 this.out_props_array_plain = new Gee.HashMap<string,Gee.ArrayList<string>>() ;
  54
  55
  56
  57                 this.cur_line = parent == null ? 0 : parent.cur_line;
  58                 this.ret = "";
  59                 this.top = parent == null ? this : parent.top;
  60
  61         }
  62
  63
  64
  65
  66
  67
  68         public string munge ( )
  69         {
  70                 //return this.mungeToString(this.node);
  71
  72                 this.node.line_start = this.cur_line;
  73
  74                 this.checkChildren();
  75                 this.readProps();
  76                 this.readArrayProps();
  77                 this.readListeners();
  78
  79                 if (!this.node.props.has_key("* xinclude")) {
  80                         this.iterChildren();
  81                 }
  82
  83
  84
  85                 // no properties to output...
  86                 if (this.els.size < 1) {
  87                         return "";
  88                 }
  89
  90                 this.mungeOut();
  91
  92                 // oprops...
  93
  94                 var spad = this.pad.substring(0, this.pad.length-indent);
  95
  96
  97                 var str_props = gLibStringListJoin(",\n" + this.pad , this.els) ;
  98                 //print ("STR PROPS: " + str_props);
  99
 100
 101
 102                 if (!this.node.props.has_key("* xinclude")) {
 103                         return   "{\n" +
 104                                 this.pad  + str_props +
 105                                 "\n" + spad +  "}";
 106                 }
 107                 // xinclude...
 108
 109
 110                 return "Roo.apply(" + this.node.props.get("* xinclude") + "._tree(), "+
 111                          "{\n" +
 112                                 this.pad  + str_props +
 113                                 "\n" + spad +  "})";
 114
 115         }
 116                 /**
 117
 118         This currently works by creating a key/value array of this.els, which is just an array of properties..
 119         this is so that join() works...
 120
 121         how this could work:
 122         a) output header
 123         b) output plan properties.
 124         c) output listeners..
 125         c) output *prop
 126         g) output prop_arrays..
 127         d) output children
 128         e)
 129
 130
 131
 132         */
 133
 134
 135         public string mungeOut()
 136         {
 137
 138                 var spad = this.pad.substring(0, this.pad.length-indent);
 139
 140                 if (this.node.props.has_key("* xinclude")) {
 141                         this.addLine("Roo.apply(" + this.node.props.get("* xinclude") + "._tree(), {");
 142
 143                 } else {
 144                         this.addLine("{");
 145                 }
 146                 var suffix = "";
 147                 // output the items...
 148                 // work out remaining items...
 149                 var  total_nodes = this.out_props.size +
 150                                 this.out_props_array_plain.size +
 151                                 (this.out_listeners.size > 0 ? 1 : 0) +
 152                                 this.out_nodeprops.size +
 153                                 this.out_props_array.size +
 154                                 (this.out_children.size > 0 ? 1 : 0);
 155
 156
 157                 // * prop
 158
 159                 var niter = this.out_nodeprops.map_iterator();
 160
 161                 while(niter.next()) {
 162                         total_nodes--;
 163                         suffix = total_nodes > 0 ? "," : "";
 164                         this.addMultiLine(this.pad + niter.get_key() + " : " +
 165                                         this.mungeChildNew(this.pad + indent_str, niter.get_value()) + suffix
 166                         );
 167                 }
 168
 169                 // plain properties.
 170                 var iter = this.out_props.map_iterator();
 171                 while(iter.next()) {
 172                         total_nodes--;
 173                         suffix = total_nodes > 0 ? "," : "";
 174                         this.addLine(this.pad + iter.get_key() + " : " + iter.get_value() + suffix);
 175                 }
 176                 /*
 177                 //                              out_props_array_plain -- not used?
 178                 var paiter = this.out_props_array_plain.map_iterator();
 179
 180                 while(paiter.next()) {
 181                         total_nodes--;
 182
 183                         this.addLine(this.pad + paiter.get_key() + " : [");
 184                         var paliter = paiter.get_value().list_iterator();
 185                         while (paliter.next()) {
 186                                 suffix = paliter.has_next()  ? "," : "";
 187                                 this.addMultiLine(this.pad + indent_str +   paliter.get() + suffix);
 188                         }
 189
 190                         suffix = total_nodes > 0 ? "," : "";
 191 //                                      this.mungeChild(this.pad + indent_str, niter.get_value())
 192                         this.addLine(this.pad + "]" + suffix);
 193                 }
 194                 */
 195
 196
 197
 198                 // prop arrays...
 199
 200                 var piter = this.out_props_array.map_iterator();
 201
 202                 while(piter.next()) {
 203                         total_nodes--;
 204
 205                         this.addLine(this.pad + piter.get_key() + " : [");
 206                         var pliter = piter.get_value().list_iterator();
 207                         while (pliter.next()) {
 208                                 suffix = pliter.has_next()  ? "," : "";
 209                                 this.addMultiLine(this.pad + indent_str +
 210                                         this.mungeChildNew(this.pad + indent_str  + indent_str, pliter.get()) + suffix);
 211                         }
 212
 213                         suffix = total_nodes > 0 ? "," : "";
 214
 215                         this.addLine(this.pad + "]" + suffix);
 216                 }
 217                 // listeners..
 218
 219                 if (this.out_listeners.size > 0 ) {
 220                         total_nodes--;
 221                         this.addLine(this.pad + "listeners : {");
 222                         iter = this.out_listeners.map_iterator();
 223                         var sz = this.out_listeners.size;
 224                         while(iter.next()) {
 225                                 sz--;
 226                                 suffix = sz > 0 ? "," : "";
 227                                 this.addMultiLine(this.pad + indent_str + iter.get_key() + " : " + iter.get_value() + suffix);
 228                         }
 229                         suffix = total_nodes > 0 ? "," : "";
 230                         this.addLine(this.pad + "}" + suffix);
 231
 232                 }
 233                 // children..
 234                 if (this.out_children.size > 0) {
 235                         this.addLine(this.pad + "items  : [" );
 236                         var cniter = this.out_children.list_iterator();
 237                         while (cniter.next()) {
 238                                 suffix = cniter.has_next()  ? "," : "";
 239                                 this.addMultiLine(this.pad + indent_str +
 240                                         this.mungeChildNew(this.pad + indent_str  + indent_str, cniter.get()) + suffix
 241                                 );
 242
 243                         }
 244
 245                         this.addLine(this.pad +   "]");
 246                 }
 247
 248                 if (this.node.props.has_key("* xinclude")) {
 249                         this.ret += spad + "})";
 250
 251                 } else {
 252                         this.ret += spad + "}";
 253                 }
 254
 255
 256                 return this.ret;
 257
 258         }
 259
 260
 261
 262
 263
 264         public void addLine(string str= "")
 265         {
 266                 this.cur_line ++;
 267                 this.ret += str+ "\n";
 268
 269
 270
 271         }
 272
 273         public void addMultiLine(string str= "")
 274         {
 275
 276                 this.cur_line += str.split("\n").length;
 277                 //this.ret +=  "/*%d*/ ".printf(l) + str + "\n";
 278                 this.ret +=   str + "\n";
 279         }
 280
 281         string gLibStringListJoin( string sep, Gee.ArrayList<string> ar)
 282         {
 283                 var ret = "";
 284                 for (var i = 0; i < ar.size; i++) {
 285                         ret += i>0 ? sep : "";
 286                         ret += ar.get(i);
 287                 }
 288                 return ret;
 289
 290         }
 291         public string mungeChild(string pad ,  Node cnode)
 292         {
 293                 var x = new  NodeToJs(cnode, this.doubleStringProps, pad, this);
 294                 return x.munge();
 295         }
 296
 297         public string mungeChildNew(string pad ,  Node cnode)
 298         {
 299                 var x = new  NodeToJs(cnode, this.doubleStringProps, pad, this);
 300                 x.munge();
 301                 return x.ret;
 302         }
 303
 304
 305
 306         public void checkChildren ()
 307         {
 308
 309
 310                 // look throught he chilren == looking for * prop.. -- fixme might not work..
 311
 312
 313                 if (!this.node.hasChildren()) {
 314                         return;
 315                 }
 316                 // look for '*props'
 317
 318                 for (var ii =0; ii< this.node.items.size; ii++) {
 319                         var pl = this.node.items.get(ii);
 320                         if (!pl.props.has_key("* prop")) {
 321                                 //newitems.add(pl);
 322                                 continue;
 323                         }
 324
 325                         //print(JSON.stringify(pl,null,4));
 326                         // we have a prop...
 327                         //var prop = pl['*prop'] + '';
 328                         //delete pl['*prop'];
 329                         var prop = pl.get("* prop");
 330                         print("got prop "+ prop + "\n");
 331
 332                         // name ends in [];
 333                         if (! Regex.match_simple("\\[\\]$", prop)) {
 334                                 // it's a standard prop..
 335
 336                                 // munge property..??
 337
 338                                 this.out_nodeprops.set(prop, pl);
 339
 340                                 this.els.add( prop  + " : " + this.mungeChild (  this.pad + indent_str,  pl));
 341
 342
 343                                 //keys.push(prop);
 344                                 continue;
 345                         }
 346
 347
 348
 349
 350                         var sprop  = prop.replace("[]", "");
 351                         print("sprop is : " + sprop + "\n");
 352
 353                         // it's an array type..
 354                         var old = "";
 355                         if (!this.ar_props.has_key(sprop)) {
 356
 357                                 this.ar_props.set(sprop, "");
 358                                 this.out_props_array.set(sprop, new Gee.ArrayList<Node>());
 359                         } else {
 360                                 old = this.ar_props.get(sprop);
 361                         }
 362                         var nstr  = old += old.length > 0 ? ",\n" : "";
 363                         nstr += this.mungeChild( this.pad + indent_str + indent_str + indent_str ,   pl);
 364                         this.out_props_array.get(sprop).add( pl);
 365                         this.ar_props.set(sprop, nstr);
 366
 367
 368                 }
 369
 370         }
 371         /*
 372  * Standardize this crap...
 373  *
 374  * standard properties (use to set)
 375  *          If they are long values show the dialog..
 376  *
 377  * someprop : ....
 378  * bool is_xxx  :: can show a pulldown.. (true/false)
 379  * string html
 380  * $ string html  = string with value interpolated eg. baseURL + ".."
 381  *  Clutter.ActorAlign x_align  (typed)  -- shows pulldowns if type is ENUM?
 382  * $ untypedvalue = javascript untyped value...
 383  * _ string html ... = translatable..
 384
 385  *
 386  * object properties (not part of the GOjbect being wrapped?
 387  * # Gee.ArrayList<Xcls_fileitem> fileitems
 388  *
 389  * signals
 390  * @ void open
 391  *
 392  * methods -- always text editor..
 393  * | void clearFiles
 394  * | someJSmethod
 395  *
 396  * specials
 397  * * prop -- string
 398  * * args  -- string
 399  * * ctor -- string
 400  * * init -- big string?
 401  *
 402  * event handlers (listeners)
 403  *   just shown
 404  *
 405  * -----------------
 406  * special ID values
 407  *  +XXXX -- indicates it's a instance property / not glob...
 408  *  *XXXX -- skip writing glob property (used as classes that can be created...)
 409  *
 410  *
 411  */
 412         public void readProps()
 413         {
 414                 string left;
 415                 Regex func_regex ;
 416
 417                 if (this.node.props.has_key("$ xns")) {
 418                         this.out_props.set("'|xns'", this.node.props.get("$ xns") );
 419
 420                         this.els.add("'|xns' : '" + this.node.props.get("$ xns") + "'");
 421
 422                 }
 423
 424
 425                 try {
 426                         func_regex = new Regex("^\\s+|\\s+$");
 427                 } catch (Error e) {
 428                         print("failed to build regex");
 429                         return;
 430                 }
 431                 // sort the key's so they always get rendered in the same order..
 432
 433                 var keys = new Gee.ArrayList<string>();
 434                 var piter = this.node.props.map_iterator();
 435                 while (piter.next() ) {
 436                         string k;
 437                         string ktype;
 438                         string kflag;
 439                         this.node.normalize_key(piter.get_key(), out k, out kflag, out ktype);
 440
 441                         keys.add(k);
 442                 }
 443
 444                 keys.sort((  a,  b) => {
 445                         return ((string)a).collate((string)b);
 446                         //if (a == b) return 0;
 447                         //return a < b ? -1 : 1;
 448                 });
 449
 450
 451
 452                 for (var i = 0; i< keys.size; i++) {
 453                         var key = this.node.get_key(keys.get(i));
 454                         print("ADD KEY %s\n", key);
 455                         string k;
 456                         string ktype;
 457                         string kflag;
 458
 459                         this.node.normalize_key(key, out k, out kflag, out ktype);
 460
 461
 462                         var v = this.node.get(key);
 463
 464
 465                         //if (this.skip.contains(k) ) {
 466                         //      continue;
 467                         //}
 468                         if (  Regex.match_simple("\\[\\]$", k)) {
 469                                 // array .. not supported... here?
 470
 471
 472                         }
 473
 474                         string leftv = k;
 475                         // skip builder stuff. prefixed with  '.' .. just like unix fs..
 476                         if (kflag == ".") { // |. or . -- do not output..
 477                                 continue;
 478                         }
 479                          if (kflag == "*") {
 480                                 // ignore '* prop'; ???
 481                                 continue;
 482                          }
 483
 484
 485                         if (Lang.isKeyword(leftv) || Lang.isBuiltin(leftv)) {
 486                                 left = "'" + leftv + "'";
 487                         } else if (Regex.match_simple("[^A-Za-z_]+",leftv)) { // not plain a-z... - quoted.
 488                                 var val = this.node.quoteString(leftv);
 489
 490                                 left = "'" + val.substring(1, val.length-2).replace("'", "\\'") + "'";
 491                         } else {
 492                                 left = leftv;
 493                         }
 494
 495
 496                         // next.. is it a function.. or a raw string..
 497                         if (
 498                                 kflag == "|"
 499                                 ||
 500                                 kflag == "$"
 501                                 ||
 502                                 ktype == "function"
 503
 504                                 // ??? any others that are raw output..
 505                                 ) {
 506                                 // does not hapepnd with arrays..
 507                                 if (v.length < 1) {  //if (typeof(el) == 'string' && !obj[i].length) { //skip empty.
 508                                         continue;
 509                                 }
 510                                 /*
 511                                 print(v);
 512                                 string str = "";
 513                                 try {
 514                                         str = func_regex.replace(v,v.length, 0, "");
 515                                 } catch(Error e) {
 516                                         print("regex failed");
 517                                         return "";
 518                                 }
 519                                 */
 520                                 var str = v.strip();
 521
 522                                 var lines = str.split("\n");
 523                                 var nstr = "" + str;
 524                                 if (lines.length > 0) {
 525                                         nstr =  string.joinv("\n" + this.pad, lines);
 526                                         //nstr =  string.joinv("\n", lines);
 527                                 }
 528                                 this.out_props.set(left, nstr);
 529                                 //print("==> " +  str + "\n");
 530                                 this.els.add(left + " : "+  nstr);
 531                                 continue;
 532                         }
 533                         // standard..
 534
 535
 536                         if (
 537                                 Lang.isNumber(v)
 538                                 ||
 539                                 Lang.isBoolean(v)
 540                                 ||
 541                                 ktype.down() == "boolean"
 542                                 ||
 543                                 ktype.down() == "bool"
 544                                 ||
 545                                 ktype.down() == "number"
 546                                 ||
 547                                 ktype.down() == "int"
 548                             ) { // boolean or number...?
 549                             this.out_props.set(left, v.down());
 550                                 this.els.add(left + " : " + v.down() );
 551                                 continue;
 552                         }
 553
 554                         // is it a translated string?
 555
 556
 557
 558
 559                         // strings..
 560                         //if (this.doubleStringProps.size < 1) {
 561                         //      this.els.add(left + this.node.quoteString(v));
 562                         //      continue;
 563                         //}
 564
 565                         if (this.doubleStringProps.index_of(k) > -1) {
 566                                 // then use the translated version...
 567
 568                                 this.els.add(left + " : _this._strings['" +
 569                                         GLib.Checksum.compute_for_string (ChecksumType.MD5, v) +
 570                                         "']"
 571                                 );
 572                                 this.out_props.set(left, "_this._strings['" +
 573                                         GLib.Checksum.compute_for_string (ChecksumType.MD5, v) +
 574                                         "']");
 575                                 continue;
 576                         }
 577                         if (ktype.down() == "string" && k[0] == '_') {
 578                                 this.els.add(left + " : _this._strings['" +
 579                                         GLib.Checksum.compute_for_string (ChecksumType.MD5, v) +
 580                                         "']"
 581                                 );
 582                                 this.out_props.set(left, " _this._strings['" +
 583                                         GLib.Checksum.compute_for_string (ChecksumType.MD5, v) +
 584                                         "']"
 585                                 );
 586
 587
 588                                 continue;
 589                         }
 590                         // otherwise it needs to be encapsulated.. as single quotes..
 591
 592                         var vv = this.node.quoteString(v);
 593                         // single quote.. v.substring(1, v.length-1).replace("'", "\\'") + "'";
 594                         this.els.add(left + " : " +  "'" + vv.substring(1, vv.length-2).replace("'", "\\'") + "'");
 595                         this.out_props.set(left,  "'" + vv.substring(1, vv.length-2).replace("'", "\\'") + "'");
 596
 597
 598
 599
 600                 }
 601         }
 602         public void readArrayProps()
 603         {
 604
 605                 // this is not needed in the new version
 606                 // as array props are handled more directly..
 607
 608                 // handle the childitems  that are arrays.. eg. button[] = {  }...
 609
 610                 // note this does not handle a mix of nodes and properties with the same
 611
 612                 string left;
 613
 614                 var iter = this.ar_props.map_iterator();
 615                 while (iter.next()) {
 616                         var k = iter.get_key();
 617                         var right = iter.get_value();
 618
 619                         string leftv = k[0] == '|' ? k.substring(1) : k;
 620                         if (Lang.isKeyword(leftv) || Lang.isBuiltin(leftv)) {
 621                                 left = "'" + leftv + "'";
 622                         } else if (Regex.match_simple("[^A-Za-z_]+",leftv)) { // not plain a-z... - quoted.
 623                                 var val = this.node.quoteString(leftv);
 624
 625                                 left = "'" + val.substring(1, val.length-2).replace("'", "\\'") + "'";
 626                         } else {
 627                                 left = leftv;
 628                         }
 629
 630
 631                         if (right.length > 0){
 632                                 //if (this.out_props_array_plain.has_key(left)) {
 633                                 //      this.out_props_array_plain.set(left, new Gee.ArrayList<string>());
 634                                 //}
 635                                 //this.out_props_array_plain.get(left).add(right);
 636
 637                                 this.els.add(left + " : [\n" +  this.pad + indent_str + indent_str +
 638                                              right + "\n" + this.pad + "]");
 639                         }
 640
 641
 642                 }
 643
 644         }
 645         public void readListeners()
 646         {
 647
 648                 if (this.node.listeners.size < 1) {
 649                         return;
 650                 }
 651                 // munge the listeners.
 652                 //print("ADDING listeners?");
 653
 654
 655
 656
 657                 var keys = new Gee.ArrayList<string>();
 658                 var piter = this.node.listeners.map_iterator();
 659                 while (piter.next() ) {
 660
 661                         keys.add(piter.get_key());
 662                 }
 663                 keys.sort((  a,  b) => {
 664                         return ((string)a).collate((string)b);
 665                         //if (a == b) return 0;
 666                         //return a < b ? -1 : 1;
 667                 });
 668
 669                 var itms = "listeners : {\n";
 670
 671                 for (var i = 0; i< keys.size; i++) {
 672                         var key = keys.get(i);
 673                         var val = this.node.listeners.get(key);
 674
 675
 676                         itms += i >0 ? ",\n" : "";
 677                         //
 678                         var str = val.strip();
 679                         var lines = str.split("\n");
 680                         if (lines.length > 0) {
 681                                 //str = string.joinv("\n" + this.pad + "           ", lines);
 682                                 str = string.joinv("\n" + this.pad + indent_str + indent_str , lines);
 683                         }
 684
 685                         itms +=  this.pad + indent_str  + key.replace("|", "")  + " : " + str;
 686                         this.out_listeners.set(key.replace("|", "") ,str);
 687
 688
 689                 }
 690                 itms += "\n" + this.pad + "}";
 691                 //print ( "ADD " + itms);
 692                 this.els.add(itms);
 693
 694         }
 695
 696         public void iterChildren()
 697         {
 698
 699
 700                 // finally munge the children...
 701                 if (this.node.items.size < 1) {
 702                         return;
 703                 }
 704                 var itms = "items : [\n";
 705                 var n = 0;
 706                 for(var i = 0; i < this.node.items.size;i++) {
 707                         var ele = this.node.items.get(i);
 708                         if (ele.props.has_key("* prop")) {
 709                                 continue;
 710                         }
 711                         if (n > 0) {
 712                                  itms += ",\n";
 713                         }
 714                         n++;
 715                         itms += this.pad + indent_str  +
 716                                 this.mungeChild( this.pad + indent_str + indent_str ,  ele);
 717                         this.out_children.add(ele);
 718
 719                 }
 720                 itms +=  "\n"+  this.pad + "]"  + "\n";
 721                 this.els.add(itms);
 722         }
 723
 724                 // finally output listeners...
 725
 726         public void xIncludeToString()
 727         {
 728
 729
 730         }
 731
 732 }
 733
 734
 735
 736