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