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         public 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  ; //-1 as we usuall concat onto the existin gline?
  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         public Gee.ArrayList<string> orderedListenerKeys() {
 150
 151                 var ret = new Gee.ArrayList<string> ();
 152                 var niter = this.out_listeners.map_iterator();
 153                 while(niter.next()) {
 154                         ret.add(niter.get_key());
 155                 }
 156
 157                 ret.sort((  a,  b) => {
 158                         return ((string)a).collate((string)b);
 159                         //if (a == b) return 0;
 160                         //return a < b ? -1 : 1;
 161                 });
 162                 return ret;
 163         }
 164
 165
 166         public string mungeOut()
 167         {
 168
 169                 var spad = this.pad.substring(0, this.pad.length-indent);
 170
 171                 if (this.node.props.has_key("* xinclude")) {
 172                         this.addLine("Roo.apply(" + this.node.props.get("* xinclude") + "._tree(), {");
 173
 174                 } else {
 175                         this.addLine("{");
 176                 }
 177                 var suffix = "";
 178                 // output the items...
 179                 // work out remaining items...
 180                 var  total_nodes = this.out_props.size +
 181                                 this.out_props_array_plain.size +
 182                                 (this.out_listeners.size > 0 ? 1 : 0) +
 183                                 this.out_nodeprops.size +
 184                                 this.out_props_array.size +
 185                                 (this.out_children.size > 0 ? 1 : 0);
 186
 187
 188                 // * prop
 189
 190                 var niter = this.out_nodeprops.map_iterator();
 191
 192                 while(niter.next()) {
 193                         total_nodes--;
 194                         suffix = total_nodes > 0 ? "," : "";
 195                         var l = this.pad + niter.get_key() + " : " +
 196                                         this.mungeChildNew(this.pad + indent_str, niter.get_value(),  -1) + suffix;
 197                         this.addMultiLine(l);
 198                 }
 199
 200                 // plain properties.
 201                 var iter = this.orderedPropKeys().list_iterator();
 202                 while(iter.next()) {
 203                         total_nodes--;
 204                         suffix = total_nodes > 0 ? "," : "";
 205                         var k = iter.get();
 206                         var v = this.out_props.get(k);
 207
 208                         this.addMultiLine(this.pad + k + " : " + v + suffix);
 209                 }
 210                 /*
 211                 //                              out_props_array_plain -- not used?
 212                 var paiter = this.out_props_array_plain.map_iterator();
 213
 214                 while(paiter.next()) {
 215                         total_nodes--;
 216
 217                         this.addLine(this.pad + paiter.get_key() + " : [");
 218                         var paliter = paiter.get_value().list_iterator();
 219                         while (paliter.next()) {
 220                                 suffix = paliter.has_next()  ? "," : "";
 221                                 this.addMultiLine(this.pad + indent_str +   paliter.get() + suffix);
 222                         }
 223
 224                         suffix = total_nodes > 0 ? "," : "";
 225 //                                      this.mungeChild(this.pad + indent_str, niter.get_value())
 226                         this.addLine(this.pad + "]" + suffix);
 227                 }
 228                 */
 229
 230
 231
 232                 // prop arrays...
 233
 234                 var piter = this.out_props_array.map_iterator();
 235
 236                 while(piter.next()) {
 237                         total_nodes--;
 238
 239                         this.addLine(this.pad + piter.get_key() + " : [");
 240                         var pliter = piter.get_value().list_iterator();
 241                         while (pliter.next()) {
 242                                 suffix = pliter.has_next()  ? "," : "";
 243                                 this.addMultiLine(this.pad + indent_str +
 244                                         this.mungeChildNew(this.pad + indent_str  + indent_str, pliter.get()) + suffix);
 245                         }
 246
 247                         suffix = total_nodes > 0 ? "," : "";
 248
 249                         this.addLine(this.pad + "]" + suffix);
 250                 }
 251                 // listeners..
 252
 253                 if (this.out_listeners.size > 0 ) {
 254                         total_nodes--;
 255                         this.addLine(this.pad + "listeners : {");
 256                         iter = this.orderedListenerKeys().list_iterator();
 257
 258                         var sz = this.out_listeners.size;
 259                         while(iter.next()) {
 260                                 sz--;
 261                                 suffix = sz > 0 ? "," : "";
 262                                 var k = iter.get();
 263                                 var v = this.out_listeners.get(k);
 264                                 this.addMultiLine(this.pad + indent_str + k + " : " + v + suffix);
 265                         }
 266                         suffix = total_nodes > 0 ? "," : "";
 267                         this.addLine(this.pad + "}" + suffix);
 268
 269                 }
 270                 // children..
 271                 if (this.out_children.size > 0) {
 272                         this.addLine(this.pad + "items  : [" );
 273                         var cniter = this.out_children.list_iterator();
 274                         while (cniter.next()) {
 275                                 suffix = cniter.has_next()  ? "," : "";
 276                                 this.addMultiLine(this.pad + indent_str +
 277                                         this.mungeChildNew(this.pad + indent_str  + indent_str, cniter.get()) + suffix
 278                                 );
 279
 280                         }
 281
 282                         this.addLine(this.pad +   "]");
 283                 }
 284
 285                 if (this.node.props.has_key("* xinclude")) {
 286                         this.ret += spad + "})";
 287
 288                 } else {
 289                         this.ret += spad + "}";
 290                 }
 291
 292
 293                 return this.ret;
 294
 295         }
 296
 297
 298
 299
 300
 301         public void addLine(string str= "")
 302         {
 303                 this.cur_line ++;
 304                 //this.ret += str+ "\n";
 305                 this.ret +=  "/*%d*/ ".printf(this.cur_line) + str + "\n";
 306
 307
 308         }
 309
 310         public void addMultiLine(string str= "")
 311         {
 312
 313                 this.cur_line += str.split("\n").length;
 314                 this.ret +=  "/*%d*/ ".printf(this.cur_line) + str + "\n";
 315                 //this.ret +=   str + "\n";
 316         }
 317
 318         string gLibStringListJoin( string sep, Gee.ArrayList<string> ar)
 319         {
 320                 var ret = "";
 321                 for (var i = 0; i < ar.size; i++) {
 322                         ret += i>0 ? sep : "";
 323                         ret += ar.get(i);
 324                 }
 325                 return ret;
 326
 327         }
 328         public string mungeChild(string pad ,  Node cnode)
 329         {
 330                 var x = new  NodeToJs(cnode, this.doubleStringProps, pad, this);
 331                 return x.munge();
 332         }
 333
 334         public string mungeChildNew(string pad ,  Node cnode, int offset = 0)
 335         {
 336                 var x = new  NodeToJs(cnode, this.doubleStringProps, pad, this);
 337                 x.cur_line -= offset;
 338                 x.munge();
 339                 return x.ret;
 340         }
 341
 342
 343
 344         public void checkChildren ()
 345         {
 346
 347
 348                 // look throught he chilren == looking for * prop.. -- fixme might not work..
 349
 350
 351                 if (!this.node.hasChildren()) {
 352                         return;
 353                 }
 354                 // look for '*props'
 355
 356                 for (var ii =0; ii< this.node.items.size; ii++) {
 357                         var pl = this.node.items.get(ii);
 358                         if (!pl.props.has_key("* prop")) {
 359                                 //newitems.add(pl);
 360                                 continue;
 361                         }
 362
 363                         //print(JSON.stringify(pl,null,4));
 364                         // we have a prop...
 365                         //var prop = pl['*prop'] + '';
 366                         //delete pl['*prop'];
 367                         var prop = pl.get("* prop");
 368                         print("got prop "+ prop + "\n");
 369
 370                         // name ends in [];
 371                         if (! Regex.match_simple("\\[\\]$", prop)) {
 372                                 // it's a standard prop..
 373
 374                                 // munge property..??
 375
 376                                 this.out_nodeprops.set(prop, pl);
 377
 378                                 this.els.add( prop  + " : " + this.mungeChild (  this.pad + indent_str,  pl));
 379
 380
 381                                 //keys.push(prop);
 382                                 continue;
 383                         }
 384
 385
 386
 387
 388                         var sprop  = prop.replace("[]", "");
 389                         print("sprop is : " + sprop + "\n");
 390
 391                         // it's an array type..
 392                         var old = "";
 393                         if (!this.ar_props.has_key(sprop)) {
 394
 395                                 this.ar_props.set(sprop, "");
 396                                 this.out_props_array.set(sprop, new Gee.ArrayList<Node>());
 397                         } else {
 398                                 old = this.ar_props.get(sprop);
 399                         }
 400                         var nstr  = old += old.length > 0 ? ",\n" : "";
 401                         nstr += this.mungeChild( this.pad + indent_str + indent_str + indent_str ,   pl);
 402                         this.out_props_array.get(sprop).add( pl);
 403                         this.ar_props.set(sprop, nstr);
 404
 405
 406                 }
 407
 408         }
 409         /*
 410  * Standardize this crap...
 411  *
 412  * standard properties (use to set)
 413  *          If they are long values show the dialog..
 414  *
 415  * someprop : ....
 416  * bool is_xxx  :: can show a pulldown.. (true/false)
 417  * string html
 418  * $ string html  = string with value interpolated eg. baseURL + ".."
 419  *  Clutter.ActorAlign x_align  (typed)  -- shows pulldowns if type is ENUM?
 420  * $ untypedvalue = javascript untyped value...
 421  * _ string html ... = translatable..
 422
 423  *
 424  * object properties (not part of the GOjbect being wrapped?
 425  * # Gee.ArrayList<Xcls_fileitem> fileitems
 426  *
 427  * signals
 428  * @ void open
 429  *
 430  * methods -- always text editor..
 431  * | void clearFiles
 432  * | someJSmethod
 433  *
 434  * specials
 435  * * prop -- string
 436  * * args  -- string
 437  * * ctor -- string
 438  * * init -- big string?
 439  *
 440  * event handlers (listeners)
 441  *   just shown
 442  *
 443  * -----------------
 444  * special ID values
 445  *  +XXXX -- indicates it's a instance property / not glob...
 446  *  *XXXX -- skip writing glob property (used as classes that can be created...)
 447  *
 448  *
 449  */
 450         public void readProps()
 451         {
 452                 string left;
 453                 Regex func_regex ;
 454
 455                 if (this.node.props.has_key("$ xns")) {
 456                         this.out_props.set("'|xns'", "'" +  this.node.props.get("$ xns") + "'" );
 457
 458                         this.els.add("'|xns' : '" + this.node.props.get("$ xns") + "'");
 459
 460                 }
 461
 462
 463                 try {
 464                         func_regex = new Regex("^\\s+|\\s+$");
 465                 } catch (Error e) {
 466                         print("failed to build regex");
 467                         return;
 468                 }
 469                 // sort the key's so they always get rendered in the same order..
 470
 471                 var keys = new Gee.ArrayList<string>();
 472                 var piter = this.node.props.map_iterator();
 473                 while (piter.next() ) {
 474                         string k;
 475                         string ktype;
 476                         string kflag;
 477                         this.node.normalize_key(piter.get_key(), out k, out kflag, out ktype);
 478
 479                         keys.add(k);
 480                 }
 481
 482                 keys.sort((  a,  b) => {
 483                         return ((string)a).collate((string)b);
 484                         //if (a == b) return 0;
 485                         //return a < b ? -1 : 1;
 486                 });
 487
 488
 489
 490                 for (var i = 0; i< keys.size; i++) {
 491                         var key = this.node.get_key(keys.get(i));
 492                         print("ADD KEY %s\n", key);
 493                         string k;
 494                         string ktype;
 495                         string kflag;
 496
 497                         this.node.normalize_key(key, out k, out kflag, out ktype);
 498
 499
 500                         var v = this.node.get(key);
 501
 502
 503                         //if (this.skip.contains(k) ) {
 504                         //      continue;
 505                         //}
 506                         if (  Regex.match_simple("\\[\\]$", k)) {
 507                                 // array .. not supported... here?
 508
 509
 510                         }
 511
 512                         string leftv = k;
 513                         // skip builder stuff. prefixed with  '.' .. just like unix fs..
 514                         if (kflag == ".") { // |. or . -- do not output..
 515                                 continue;
 516                         }
 517                          if (kflag == "*") {
 518                                 // ignore '* prop'; ???
 519                                 continue;
 520                          }
 521
 522
 523                         if (Lang.isKeyword(leftv) || Lang.isBuiltin(leftv)) {
 524                                 left = "'" + leftv + "'";
 525                         } else if (Regex.match_simple("[^A-Za-z_]+",leftv)) { // not plain a-z... - quoted.
 526                                 var val = this.node.quoteString(leftv);
 527
 528                                 left = "'" + val.substring(1, val.length-2).replace("'", "\\'") + "'";
 529                         } else {
 530                                 left = leftv;
 531                         }
 532
 533
 534                         // next.. is it a function.. or a raw string..
 535                         if (
 536                                 kflag == "|"
 537                                 ||
 538                                 kflag == "$"
 539                                 ||
 540                                 ktype == "function"
 541
 542                                 // ??? any others that are raw output..
 543                                 ) {
 544                                 // does not hapepnd with arrays..
 545                                 if (v.length < 1) {  //if (typeof(el) == 'string' && !obj[i].length) { //skip empty.
 546                                         continue;
 547                                 }
 548                                 /*
 549                                 print(v);
 550                                 string str = "";
 551                                 try {
 552                                         str = func_regex.replace(v,v.length, 0, "");
 553                                 } catch(Error e) {
 554                                         print("regex failed");
 555                                         return "";
 556                                 }
 557                                 */
 558                                 var str = v.strip();
 559
 560                                 var lines = str.split("\n");
 561                                 var nstr = "" + str;
 562                                 if (lines.length > 0) {
 563                                         nstr =  string.joinv("\n" + this.pad, lines);
 564                                         //nstr =  string.joinv("\n", lines);
 565                                 }
 566                                 this.out_props.set(left, nstr);
 567                                 //print("==> " +  str + "\n");
 568                                 this.els.add(left + " : "+  nstr);
 569                                 continue;
 570                         }
 571                         // standard..
 572
 573
 574                         if (
 575                                 Lang.isNumber(v)
 576                                 ||
 577                                 Lang.isBoolean(v)
 578                                 ||
 579                                 ktype.down() == "boolean"
 580                                 ||
 581                                 ktype.down() == "bool"
 582                                 ||
 583                                 ktype.down() == "number"
 584                                 ||
 585                                 ktype.down() == "int"
 586                             ) { // boolean or number...?
 587                             this.out_props.set(left, v.down());
 588                                 this.els.add(left + " : " + v.down() );
 589                                 continue;
 590                         }
 591
 592                         // is it a translated string?
 593
 594
 595
 596
 597                         // strings..
 598                         //if (this.doubleStringProps.size < 1) {
 599                         //      this.els.add(left + this.node.quoteString(v));
 600                         //      continue;
 601                         //}
 602
 603                         if ((this.doubleStringProps.index_of(k) > -1) ||
 604                                 (ktype.down() == "string" && k[0] == '_')
 605
 606                         ) {
 607                                 // then use the translated version...
 608
 609                                 var com = " /* " +
 610                                         (v.split("\n").length > 1 ?
 611                                                 ("\n" + string.joinv(this.pad +  "\n", v.split("\n")).replace("*/", "* - /") + "\n" + this.pad + "*/ ") :
 612                                                 (v.replace("*/", "* - /") + " */")
 613                                         );
 614
 615                                 this.els.add(left + " : _this._strings['" +
 616                                         GLib.Checksum.compute_for_string (ChecksumType.MD5, v) +
 617                                         "']"
 618                                 );
 619                                 this.out_props.set(left, "_this._strings['" +
 620                                         GLib.Checksum.compute_for_string (ChecksumType.MD5, v) +
 621                                         "']" + com);
 622                                 continue;
 623                         }
 624
 625                         // otherwise it needs to be encapsulated.. as single quotes..
 626
 627                         var vv = this.node.quoteString(v);
 628                         // single quote.. v.substring(1, v.length-1).replace("'", "\\'") + "'";
 629                         this.els.add(left + " : " +  "'" + vv.substring(1, vv.length-2).replace("'", "\\'") + "'");
 630                         this.out_props.set(left,  "'" + vv.substring(1, vv.length-2).replace("'", "\\'") + "'");
 631
 632
 633
 634
 635                 }
 636         }
 637         public void readArrayProps()
 638         {
 639
 640                 // this is not needed in the new version
 641                 // as array props are handled more directly..
 642
 643                 // handle the childitems  that are arrays.. eg. button[] = {  }...
 644
 645                 // note this does not handle a mix of nodes and properties with the same
 646
 647                 string left;
 648
 649                 var iter = this.ar_props.map_iterator();
 650                 while (iter.next()) {
 651                         var k = iter.get_key();
 652                         var right = iter.get_value();
 653
 654                         string leftv = k[0] == '|' ? k.substring(1) : k;
 655                         if (Lang.isKeyword(leftv) || Lang.isBuiltin(leftv)) {
 656                                 left = "'" + leftv + "'";
 657                         } else if (Regex.match_simple("[^A-Za-z_]+",leftv)) { // not plain a-z... - quoted.
 658                                 var val = this.node.quoteString(leftv);
 659
 660                                 left = "'" + val.substring(1, val.length-2).replace("'", "\\'") + "'";
 661                         } else {
 662                                 left = leftv;
 663                         }
 664
 665
 666                         if (right.length > 0){
 667                                 //if (this.out_props_array_plain.has_key(left)) {
 668                                 //      this.out_props_array_plain.set(left, new Gee.ArrayList<string>());
 669                                 //}
 670                                 //this.out_props_array_plain.get(left).add(right);
 671
 672                                 this.els.add(left + " : [\n" +  this.pad + indent_str + indent_str +
 673                                              right + "\n" + this.pad + "]");
 674                         }
 675
 676
 677                 }
 678
 679         }
 680         public void readListeners()
 681         {
 682
 683                 if (this.node.listeners.size < 1) {
 684                         return;
 685                 }
 686                 // munge the listeners.
 687                 //print("ADDING listeners?");
 688
 689
 690
 691
 692                 var keys = new Gee.ArrayList<string>();
 693                 var piter = this.node.listeners.map_iterator();
 694                 while (piter.next() ) {
 695
 696                         keys.add(piter.get_key());
 697                 }
 698                 keys.sort((  a,  b) => {
 699                         return ((string)a).collate((string)b);
 700                         //if (a == b) return 0;
 701                         //return a < b ? -1 : 1;
 702                 });
 703
 704                 var itms = "listeners : {\n";
 705
 706                 for (var i = 0; i< keys.size; i++) {
 707                         var key = keys.get(i);
 708                         var val = this.node.listeners.get(key);
 709
 710
 711                         itms += i >0 ? ",\n" : "";
 712                         //
 713                         var str = val.strip();
 714                         var lines = str.split("\n");
 715                         if (lines.length > 0) {
 716                                 //str = string.joinv("\n" + this.pad + "           ", lines);
 717                                 str = string.joinv("\n" + this.pad + indent_str + indent_str , lines);
 718                         }
 719
 720                         itms +=  this.pad + indent_str  + key.replace("|", "")  + " : " + str;
 721                         this.out_listeners.set(key.replace("|", "") ,str);
 722
 723
 724                 }
 725                 itms += "\n" + this.pad + "}";
 726                 //print ( "ADD " + itms);
 727                 this.els.add(itms);
 728
 729         }
 730
 731         public void iterChildren()
 732         {
 733
 734
 735                 // finally munge the children...
 736                 if (this.node.items.size < 1) {
 737                         return;
 738                 }
 739                 var itms = "items : [\n";
 740                 var n = 0;
 741                 for(var i = 0; i < this.node.items.size;i++) {
 742                         var ele = this.node.items.get(i);
 743                         if (ele.props.has_key("* prop")) {
 744                                 continue;
 745                         }
 746                         if (n > 0) {
 747                                  itms += ",\n";
 748                         }
 749                         n++;
 750                         itms += this.pad + indent_str  +
 751                                 this.mungeChild( this.pad + indent_str + indent_str ,  ele);
 752                         this.out_children.add(ele);
 753
 754                 }
 755                 itms +=  "\n"+  this.pad + "]"  + "\n";
 756                 this.els.add(itms);
 757         }
 758
 759                 // finally output listeners...
 760
 761         public void xIncludeToString()
 762         {
 763
 764
 765         }
 766
 767 }
 768
 769
 770
 771