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         public Gee.ArrayList<string> orderedPropKeys() {
 135
 136                 var ret = new Gee.ArrayList<string> ();
 137                 var niter = this.out_props.map_iterator();
 138                 while(niter.next()) {
 139                         ret.add(niter.get_key());
 140                 }
 141
 142                 ret.sort((  a,  b) => {
 143                         return ((string)a).collate((string)b);
 144                         //if (a == b) return 0;
 145                         //return a < b ? -1 : 1;
 146                 });
 147                 return ret;
 148         }
 149
 150
 151         public string mungeOut()
 152         {
 153
 154                 var spad = this.pad.substring(0, this.pad.length-indent);
 155
 156                 if (this.node.props.has_key("* xinclude")) {
 157                         this.addLine("Roo.apply(" + this.node.props.get("* xinclude") + "._tree(), {");
 158
 159                 } else {
 160                         this.addLine("{");
 161                 }
 162                 var suffix = "";
 163                 // output the items...
 164                 // work out remaining items...
 165                 var  total_nodes = this.out_props.size +
 166                                 this.out_props_array_plain.size +
 167                                 (this.out_listeners.size > 0 ? 1 : 0) +
 168                                 this.out_nodeprops.size +
 169                                 this.out_props_array.size +
 170                                 (this.out_children.size > 0 ? 1 : 0);
 171
 172
 173                 // * prop
 174
 175                 var niter = this.out_nodeprops.map_iterator();
 176
 177                 while(niter.next()) {
 178                         total_nodes--;
 179                         suffix = total_nodes > 0 ? "," : "";
 180                         this.addMultiLine(this.pad + niter.get_key() + " : " +
 181                                         this.mungeChildNew(this.pad + indent_str, niter.get_value()) + suffix
 182                         );
 183                 }
 184
 185                 // plain properties.
 186                 var iter = this.orderedPropKeys().list_iterator();
 187                 while(iter.next()) {
 188                         total_nodes--;
 189                         suffix = total_nodes > 0 ? "," : "";
 190                         var k = iter.get();
 191                         var v = this.out_props.get(k);
 192
 193                         this.addLine(this.pad + k + " : " + v + suffix);
 194                 }
 195                 /*
 196                 //                              out_props_array_plain -- not used?
 197                 var paiter = this.out_props_array_plain.map_iterator();
 198
 199                 while(paiter.next()) {
 200                         total_nodes--;
 201
 202                         this.addLine(this.pad + paiter.get_key() + " : [");
 203                         var paliter = paiter.get_value().list_iterator();
 204                         while (paliter.next()) {
 205                                 suffix = paliter.has_next()  ? "," : "";
 206                                 this.addMultiLine(this.pad + indent_str +   paliter.get() + suffix);
 207                         }
 208
 209                         suffix = total_nodes > 0 ? "," : "";
 210 //                                      this.mungeChild(this.pad + indent_str, niter.get_value())
 211                         this.addLine(this.pad + "]" + suffix);
 212                 }
 213                 */
 214
 215
 216
 217                 // prop arrays...
 218
 219                 var piter = this.out_props_array.map_iterator();
 220
 221                 while(piter.next()) {
 222                         total_nodes--;
 223
 224                         this.addLine(this.pad + piter.get_key() + " : [");
 225                         var pliter = piter.get_value().list_iterator();
 226                         while (pliter.next()) {
 227                                 suffix = pliter.has_next()  ? "," : "";
 228                                 this.addMultiLine(this.pad + indent_str +
 229                                         this.mungeChildNew(this.pad + indent_str  + indent_str, pliter.get()) + suffix);
 230                         }
 231
 232                         suffix = total_nodes > 0 ? "," : "";
 233
 234                         this.addLine(this.pad + "]" + suffix);
 235                 }
 236                 // listeners..
 237
 238                 if (this.out_listeners.size > 0 ) {
 239                         total_nodes--;
 240                         this.addLine(this.pad + "listeners : {");
 241                         var lis_iter = this.out_listeners.map_iterator();
 242                         var sz = this.out_listeners.size;
 243                         while(lis_iter.next()) {
 244                                 sz--;
 245                                 suffix = sz > 0 ? "," : "";
 246                                 this.addMultiLine(this.pad + indent_str + lis_iter.get_key() + " : " + lis_iter.get_value() + suffix);
 247                         }
 248                         suffix = total_nodes > 0 ? "," : "";
 249                         this.addLine(this.pad + "}" + suffix);
 250
 251                 }
 252                 // children..
 253                 if (this.out_children.size > 0) {
 254                         this.addLine(this.pad + "items  : [" );
 255                         var cniter = this.out_children.list_iterator();
 256                         while (cniter.next()) {
 257                                 suffix = cniter.has_next()  ? "," : "";
 258                                 this.addMultiLine(this.pad + indent_str +
 259                                         this.mungeChildNew(this.pad + indent_str  + indent_str, cniter.get()) + suffix
 260                                 );
 261
 262                         }
 263
 264                         this.addLine(this.pad +   "]");
 265                 }
 266
 267                 if (this.node.props.has_key("* xinclude")) {
 268                         this.ret += spad + "})";
 269
 270                 } else {
 271                         this.ret += spad + "}";
 272                 }
 273
 274
 275                 return this.ret;
 276
 277         }
 278
 279
 280
 281
 282
 283         public void addLine(string str= "")
 284         {
 285                 this.cur_line ++;
 286                 this.ret += str+ "\n";
 287
 288
 289
 290         }
 291
 292         public void addMultiLine(string str= "")
 293         {
 294
 295                 this.cur_line += str.split("\n").length;
 296                 //this.ret +=  "/*%d*/ ".printf(l) + str + "\n";
 297                 this.ret +=   str + "\n";
 298         }
 299
 300         string gLibStringListJoin( string sep, Gee.ArrayList<string> ar)
 301         {
 302                 var ret = "";
 303                 for (var i = 0; i < ar.size; i++) {
 304                         ret += i>0 ? sep : "";
 305                         ret += ar.get(i);
 306                 }
 307                 return ret;
 308
 309         }
 310         public string mungeChild(string pad ,  Node cnode)
 311         {
 312                 var x = new  NodeToJs(cnode, this.doubleStringProps, pad, this);
 313                 return x.munge();
 314         }
 315
 316         public string mungeChildNew(string pad ,  Node cnode)
 317         {
 318                 var x = new  NodeToJs(cnode, this.doubleStringProps, pad, this);
 319                 x.munge();
 320                 return x.ret;
 321         }
 322
 323
 324
 325         public void checkChildren ()
 326         {
 327
 328
 329                 // look throught he chilren == looking for * prop.. -- fixme might not work..
 330
 331
 332                 if (!this.node.hasChildren()) {
 333                         return;
 334                 }
 335                 // look for '*props'
 336
 337                 for (var ii =0; ii< this.node.items.size; ii++) {
 338                         var pl = this.node.items.get(ii);
 339                         if (!pl.props.has_key("* prop")) {
 340                                 //newitems.add(pl);
 341                                 continue;
 342                         }
 343
 344                         //print(JSON.stringify(pl,null,4));
 345                         // we have a prop...
 346                         //var prop = pl['*prop'] + '';
 347                         //delete pl['*prop'];
 348                         var prop = pl.get("* prop");
 349                         print("got prop "+ prop + "\n");
 350
 351                         // name ends in [];
 352                         if (! Regex.match_simple("\\[\\]$", prop)) {
 353                                 // it's a standard prop..
 354
 355                                 // munge property..??
 356
 357                                 this.out_nodeprops.set(prop, pl);
 358
 359                                 this.els.add( prop  + " : " + this.mungeChild (  this.pad + indent_str,  pl));
 360
 361
 362                                 //keys.push(prop);
 363                                 continue;
 364                         }
 365
 366
 367
 368
 369                         var sprop  = prop.replace("[]", "");
 370                         print("sprop is : " + sprop + "\n");
 371
 372                         // it's an array type..
 373                         var old = "";
 374                         if (!this.ar_props.has_key(sprop)) {
 375
 376                                 this.ar_props.set(sprop, "");
 377                                 this.out_props_array.set(sprop, new Gee.ArrayList<Node>());
 378                         } else {
 379                                 old = this.ar_props.get(sprop);
 380                         }
 381                         var nstr  = old += old.length > 0 ? ",\n" : "";
 382                         nstr += this.mungeChild( this.pad + indent_str + indent_str + indent_str ,   pl);
 383                         this.out_props_array.get(sprop).add( pl);
 384                         this.ar_props.set(sprop, nstr);
 385
 386
 387                 }
 388
 389         }
 390         /*
 391  * Standardize this crap...
 392  *
 393  * standard properties (use to set)
 394  *          If they are long values show the dialog..
 395  *
 396  * someprop : ....
 397  * bool is_xxx  :: can show a pulldown.. (true/false)
 398  * string html
 399  * $ string html  = string with value interpolated eg. baseURL + ".."
 400  *  Clutter.ActorAlign x_align  (typed)  -- shows pulldowns if type is ENUM?
 401  * $ untypedvalue = javascript untyped value...
 402  * _ string html ... = translatable..
 403
 404  *
 405  * object properties (not part of the GOjbect being wrapped?
 406  * # Gee.ArrayList<Xcls_fileitem> fileitems
 407  *
 408  * signals
 409  * @ void open
 410  *
 411  * methods -- always text editor..
 412  * | void clearFiles
 413  * | someJSmethod
 414  *
 415  * specials
 416  * * prop -- string
 417  * * args  -- string
 418  * * ctor -- string
 419  * * init -- big string?
 420  *
 421  * event handlers (listeners)
 422  *   just shown
 423  *
 424  * -----------------
 425  * special ID values
 426  *  +XXXX -- indicates it's a instance property / not glob...
 427  *  *XXXX -- skip writing glob property (used as classes that can be created...)
 428  *
 429  *
 430  */
 431         public void readProps()
 432         {
 433                 string left;
 434                 Regex func_regex ;
 435
 436                 if (this.node.props.has_key("$ xns")) {
 437                         this.out_props.set("'|xns'", this.node.props.get("$ xns") );
 438
 439                         this.els.add("'|xns' : '" + this.node.props.get("$ xns") + "'");
 440
 441                 }
 442
 443
 444                 try {
 445                         func_regex = new Regex("^\\s+|\\s+$");
 446                 } catch (Error e) {
 447                         print("failed to build regex");
 448                         return;
 449                 }
 450                 // sort the key's so they always get rendered in the same order..
 451
 452                 var keys = new Gee.ArrayList<string>();
 453                 var piter = this.node.props.map_iterator();
 454                 while (piter.next() ) {
 455                         string k;
 456                         string ktype;
 457                         string kflag;
 458                         this.node.normalize_key(piter.get_key(), out k, out kflag, out ktype);
 459
 460                         keys.add(k);
 461                 }
 462
 463                 keys.sort((  a,  b) => {
 464                         return ((string)a).collate((string)b);
 465                         //if (a == b) return 0;
 466                         //return a < b ? -1 : 1;
 467                 });
 468
 469
 470
 471                 for (var i = 0; i< keys.size; i++) {
 472                         var key = this.node.get_key(keys.get(i));
 473                         print("ADD KEY %s\n", key);
 474                         string k;
 475                         string ktype;
 476                         string kflag;
 477
 478                         this.node.normalize_key(key, out k, out kflag, out ktype);
 479
 480
 481                         var v = this.node.get(key);
 482
 483
 484                         //if (this.skip.contains(k) ) {
 485                         //      continue;
 486                         //}
 487                         if (  Regex.match_simple("\\[\\]$", k)) {
 488                                 // array .. not supported... here?
 489
 490
 491                         }
 492
 493                         string leftv = k;
 494                         // skip builder stuff. prefixed with  '.' .. just like unix fs..
 495                         if (kflag == ".") { // |. or . -- do not output..
 496                                 continue;
 497                         }
 498                          if (kflag == "*") {
 499                                 // ignore '* prop'; ???
 500                                 continue;
 501                          }
 502
 503
 504                         if (Lang.isKeyword(leftv) || Lang.isBuiltin(leftv)) {
 505                                 left = "'" + leftv + "'";
 506                         } else if (Regex.match_simple("[^A-Za-z_]+",leftv)) { // not plain a-z... - quoted.
 507                                 var val = this.node.quoteString(leftv);
 508
 509                                 left = "'" + val.substring(1, val.length-2).replace("'", "\\'") + "'";
 510                         } else {
 511                                 left = leftv;
 512                         }
 513
 514
 515                         // next.. is it a function.. or a raw string..
 516                         if (
 517                                 kflag == "|"
 518                                 ||
 519                                 kflag == "$"
 520                                 ||
 521                                 ktype == "function"
 522
 523                                 // ??? any others that are raw output..
 524                                 ) {
 525                                 // does not hapepnd with arrays..
 526                                 if (v.length < 1) {  //if (typeof(el) == 'string' && !obj[i].length) { //skip empty.
 527                                         continue;
 528                                 }
 529                                 /*
 530                                 print(v);
 531                                 string str = "";
 532                                 try {
 533                                         str = func_regex.replace(v,v.length, 0, "");
 534                                 } catch(Error e) {
 535                                         print("regex failed");
 536                                         return "";
 537                                 }
 538                                 */
 539                                 var str = v.strip();
 540
 541                                 var lines = str.split("\n");
 542                                 var nstr = "" + str;
 543                                 if (lines.length > 0) {
 544                                         nstr =  string.joinv("\n" + this.pad, lines);
 545                                         //nstr =  string.joinv("\n", lines);
 546                                 }
 547                                 this.out_props.set(left, nstr);
 548                                 //print("==> " +  str + "\n");
 549                                 this.els.add(left + " : "+  nstr);
 550                                 continue;
 551                         }
 552                         // standard..
 553
 554
 555                         if (
 556                                 Lang.isNumber(v)
 557                                 ||
 558                                 Lang.isBoolean(v)
 559                                 ||
 560                                 ktype.down() == "boolean"
 561                                 ||
 562                                 ktype.down() == "bool"
 563                                 ||
 564                                 ktype.down() == "number"
 565                                 ||
 566                                 ktype.down() == "int"
 567                             ) { // boolean or number...?
 568                             this.out_props.set(left, v.down());
 569                                 this.els.add(left + " : " + v.down() );
 570                                 continue;
 571                         }
 572
 573                         // is it a translated string?
 574
 575
 576
 577
 578                         // strings..
 579                         //if (this.doubleStringProps.size < 1) {
 580                         //      this.els.add(left + this.node.quoteString(v));
 581                         //      continue;
 582                         //}
 583
 584                         if (this.doubleStringProps.index_of(k) > -1) {
 585                                 // then use the translated version...
 586
 587                                 this.els.add(left + " : _this._strings['" +
 588                                         GLib.Checksum.compute_for_string (ChecksumType.MD5, v) +
 589                                         "']"
 590                                 );
 591                                 this.out_props.set(left, "_this._strings['" +
 592                                         GLib.Checksum.compute_for_string (ChecksumType.MD5, v) +
 593                                         "']");
 594                                 continue;
 595                         }
 596                         if (ktype.down() == "string" && k[0] == '_') {
 597                                 this.els.add(left + " : _this._strings['" +
 598                                         GLib.Checksum.compute_for_string (ChecksumType.MD5, v) +
 599                                         "']"
 600                                 );
 601                                 this.out_props.set(left, " _this._strings['" +
 602                                         GLib.Checksum.compute_for_string (ChecksumType.MD5, v) +
 603                                         "']"
 604                                 );
 605
 606
 607                                 continue;
 608                         }
 609                         // otherwise it needs to be encapsulated.. as single quotes..
 610
 611                         var vv = this.node.quoteString(v);
 612                         // single quote.. v.substring(1, v.length-1).replace("'", "\\'") + "'";
 613                         this.els.add(left + " : " +  "'" + vv.substring(1, vv.length-2).replace("'", "\\'") + "'");
 614                         this.out_props.set(left,  "'" + vv.substring(1, vv.length-2).replace("'", "\\'") + "'");
 615
 616
 617
 618
 619                 }
 620         }
 621         public void readArrayProps()
 622         {
 623
 624                 // this is not needed in the new version
 625                 // as array props are handled more directly..
 626
 627                 // handle the childitems  that are arrays.. eg. button[] = {  }...
 628
 629                 // note this does not handle a mix of nodes and properties with the same
 630
 631                 string left;
 632
 633                 var iter = this.ar_props.map_iterator();
 634                 while (iter.next()) {
 635                         var k = iter.get_key();
 636                         var right = iter.get_value();
 637
 638                         string leftv = k[0] == '|' ? k.substring(1) : k;
 639                         if (Lang.isKeyword(leftv) || Lang.isBuiltin(leftv)) {
 640                                 left = "'" + leftv + "'";
 641                         } else if (Regex.match_simple("[^A-Za-z_]+",leftv)) { // not plain a-z... - quoted.
 642                                 var val = this.node.quoteString(leftv);
 643
 644                                 left = "'" + val.substring(1, val.length-2).replace("'", "\\'") + "'";
 645                         } else {
 646                                 left = leftv;
 647                         }
 648
 649
 650                         if (right.length > 0){
 651                                 //if (this.out_props_array_plain.has_key(left)) {
 652                                 //      this.out_props_array_plain.set(left, new Gee.ArrayList<string>());
 653                                 //}
 654                                 //this.out_props_array_plain.get(left).add(right);
 655
 656                                 this.els.add(left + " : [\n" +  this.pad + indent_str + indent_str +
 657                                              right + "\n" + this.pad + "]");
 658                         }
 659
 660
 661                 }
 662
 663         }
 664         public void readListeners()
 665         {
 666
 667                 if (this.node.listeners.size < 1) {
 668                         return;
 669                 }
 670                 // munge the listeners.
 671                 //print("ADDING listeners?");
 672
 673
 674
 675
 676                 var keys = new Gee.ArrayList<string>();
 677                 var piter = this.node.listeners.map_iterator();
 678                 while (piter.next() ) {
 679
 680                         keys.add(piter.get_key());
 681                 }
 682                 keys.sort((  a,  b) => {
 683                         return ((string)a).collate((string)b);
 684                         //if (a == b) return 0;
 685                         //return a < b ? -1 : 1;
 686                 });
 687
 688                 var itms = "listeners : {\n";
 689
 690                 for (var i = 0; i< keys.size; i++) {
 691                         var key = keys.get(i);
 692                         var val = this.node.listeners.get(key);
 693
 694
 695                         itms += i >0 ? ",\n" : "";
 696                         //
 697                         var str = val.strip();
 698                         var lines = str.split("\n");
 699                         if (lines.length > 0) {
 700                                 //str = string.joinv("\n" + this.pad + "           ", lines);
 701                                 str = string.joinv("\n" + this.pad + indent_str + indent_str , lines);
 702                         }
 703
 704                         itms +=  this.pad + indent_str  + key.replace("|", "")  + " : " + str;
 705                         this.out_listeners.set(key.replace("|", "") ,str);
 706
 707
 708                 }
 709                 itms += "\n" + this.pad + "}";
 710                 //print ( "ADD " + itms);
 711                 this.els.add(itms);
 712
 713         }
 714
 715         public void iterChildren()
 716         {
 717
 718
 719                 // finally munge the children...
 720                 if (this.node.items.size < 1) {
 721                         return;
 722                 }
 723                 var itms = "items : [\n";
 724                 var n = 0;
 725                 for(var i = 0; i < this.node.items.size;i++) {
 726                         var ele = this.node.items.get(i);
 727                         if (ele.props.has_key("* prop")) {
 728                                 continue;
 729                         }
 730                         if (n > 0) {
 731                                  itms += ",\n";
 732                         }
 733                         n++;
 734                         itms += this.pad + indent_str  +
 735                                 this.mungeChild( this.pad + indent_str + indent_str ,  ele);
 736                         this.out_children.add(ele);
 737
 738                 }
 739                 itms +=  "\n"+  this.pad + "]"  + "\n";
 740                 this.els.add(itms);
 741         }
 742
 743                 // finally output listeners...
 744
 745         public void xIncludeToString()
 746         {
 747
 748
 749         }
 750
 751 }
 752
 753
 754
 755