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