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  *  We are changing this to output as we go.
   9  *   However... since line-endings on properties have ',' (not ;) like vala.
  10  *           we have to be a bit smarter about how to output.
  11  *
  12  *
  13  *
  14 */
  15
  16
  17
  18
  19 public class JsRender.NodeToJs : Object {
  20
  21         static uint indent = 1;
  22         static string indent_str = " ";
  23
  24
  25
  26         Node node;
  27         Gee.ArrayList<string>  doubleStringProps;  // need to think if this is a good idea like this
  28         string pad;
  29         public JsRender renderer;
  30
  31         Gee.HashMap<string,string> out_props;
  32         Gee.HashMap<string,string> out_listeners;
  33         Gee.HashMap<string,Node> out_nodeprops;
  34         Gee.ArrayList<Node> out_children;
  35         Gee.HashMap<string,Gee.ArrayList<Node>> out_props_array;
  36         Gee.HashMap<string,Gee.ArrayList<string>> out_props_array_plain;
  37
  38         NodeToJs top;
  39         public string ret;
  40
  41         public int cur_line;
  42
  43
  44         public NodeToJs( Node node, Gee.ArrayList<string> doubleStringProps, string pad, NodeToJs? parent)
  45         {
  46                 this.node = node;
  47                 this.doubleStringProps = doubleStringProps;
  48                 this.pad = pad;
  49
  50                 //this.els = new Gee.ArrayList<string>();
  51                 //this.ar_props = new Gee.HashMap<string,string>();
  52
  53
  54
  55                 // this is the bit that causes issues - we have to output as we go, otherwise we
  56                 // can not work out which line is which...
  57
  58                 this.out_props = new Gee.HashMap<string,string>();
  59                 this.out_listeners = new Gee.HashMap<string,string>();
  60
  61
  62                 this.out_nodeprops = new Gee.HashMap<string,Node>() ;
  63                 this.out_children = new Gee.ArrayList<Node> ();
  64
  65                 this.out_props_array = new Gee.HashMap<string,Gee.ArrayList<Node>>(); // filled in by 'checkChildren'
  66                 this.out_props_array_plain = new Gee.HashMap<string,Gee.ArrayList<string>>() ;
  67
  68
  69
  70                 this.cur_line = parent == null ? 0 : parent.cur_line  ; //-1 as we usuall concat onto the existin gline?
  71                 if (parent != null) {
  72                         this.renderer = parent.renderer;
  73                 }
  74                 this.ret = "";
  75                 this.top = parent == null ? this : parent.top;
  76                 // reset the maps...
  77                 if (parent == null) {
  78                         node.node_lines = new Gee.ArrayList<int>();
  79                         node.node_lines_map = new Gee.HashMap<int,Node>();
  80                  }
  81         }
  82
  83
  84
  85
  86
  87
  88         public string munge ( )
  89         {
  90                 //return this.mungeToString(this.node);
  91
  92
  93                 this.checkChildren();
  94                 this.readProps();
  95                 //this.readArrayProps();
  96                 this.readListeners();
  97
  98                 if (!this.node.props.has_key("* xinclude")) {
  99                         this.iterChildren();
 100                 }
 101
 102
 103
 104                 // no properties to output...
 105                 //if (this.els.size < 1) {
 106                 //      return "";
 107                 //}
 108
 109                 this.mungeOut();
 110                 return this.ret;
 111
 112         }
 113                 /**
 114
 115         This currently works by creating a key/value array of this.els, which is just an array of properties..
 116         this is so that join() works...
 117
 118         how this could work:
 119         a) output header
 120         b) output plan properties.
 121         c) output listeners..
 122         c) output *prop
 123         g) output prop_arrays..
 124         d) output children
 125         e)
 126
 127
 128
 129         */
 130
 131         public Gee.ArrayList<string> orderedPropKeys() {
 132
 133                 var ret = new Gee.ArrayList<string> ();
 134                 var niter = this.out_props.map_iterator();
 135                 while(niter.next()) {
 136                         ret.add(niter.get_key());
 137                 }
 138
 139                 ret.sort((  a,  b) => {
 140                         return ((string)a).collate((string)b);
 141                         //if (a == b) return 0;
 142                         //return a < b ? -1 : 1;
 143                 });
 144                 return ret;
 145         }
 146         public Gee.ArrayList<string> orderedListenerKeys() {
 147
 148                 var ret = new Gee.ArrayList<string> ();
 149                 var niter = this.out_listeners.map_iterator();
 150                 while(niter.next()) {
 151                         ret.add(niter.get_key());
 152                 }
 153
 154                 ret.sort((  a,  b) => {
 155                         return ((string)a).collate((string)b);
 156                         //if (a == b) return 0;
 157                         //return a < b ? -1 : 1;
 158                 });
 159                 return ret;
 160         }
 161
 162
 163         public string mungeOut()
 164         {
 165                 this.node.line_start = this.cur_line;
 166                 this.top.node.setNodeLine(this.cur_line, this.node);
 167                 var spad = this.pad.substring(0, this.pad.length-indent);
 168
 169                 if (this.node.props.has_key("* xinclude")) {
 170                         this.addLine("Roo.apply(" + this.node.props.get("* xinclude") + "._tree(), {",0 );
 171
 172                 } else {
 173                         this.addLine("{", 0);
 174                 }
 175                 var suffix = "";
 176                 // output the items...
 177                 // work out remaining items...
 178                 var  total_nodes = this.out_props.size +
 179                                 this.out_props_array_plain.size +
 180                                 (this.out_listeners.size > 0 ? 1 : 0) +
 181                                 this.out_nodeprops.size +
 182                                 this.out_props_array.size +
 183                                 (this.out_children.size > 0 ? 1 : 0);
 184
 185
 186
 187                 // plain properties.
 188                 var iter = this.orderedPropKeys().list_iterator();
 189                 while(iter.next()) {
 190                         total_nodes--;
 191                         suffix = total_nodes > 0 ? "," : "";
 192                         var k = iter.get();
 193                         var v = this.out_props.get(k);
 194
 195                         this.addLine(this.pad + k + " : " + v + suffix, ',');
 196                 }
 197
 198                 // listeners..
 199
 200                 if (this.out_listeners.size > 0 ) {
 201                         total_nodes--;
 202                         this.addLine(this.pad + "listeners : {", 0);
 203                         iter = this.orderedListenerKeys().list_iterator();
 204
 205                         while(iter.next()) {
 206
 207                                 var k = iter.get();
 208                                 var v = this.out_listeners.get(k);
 209                                 this.addLine(this.pad + indent_str + k + " : ", '');
 210                                 this.node.setLine(this.cur_line, ";",k);
 211                                 this.addLine( v,',');
 212                         }
 213
 214                         this.closeLine();
 215                         this.addLine(this.pad + "}" ,',');
 216
 217                 }
 218
 219                 //------- at this point it is the end of the code relating directly to the object..
 220
 221                 this.node.line_end = this.cur_line;
 222
 223
 224
 225                 // * prop
 226
 227                 var niter = this.out_nodeprops.map_iterator();
 228
 229                 while(niter.next()) {
 230                         total_nodes--;
 231                         suffix = total_nodes > 0 ? "," : "";
 232                         var l = this.pad + niter.get_key() + " : " +
 233                                         this.mungeChildNew(this.pad + indent_str, niter.get_value()) + suffix;
 234                         this.addMultiLine(l);
 235                 }
 236                 // prop arrays...
 237
 238                 var piter = this.out_props_array.map_iterator();
 239
 240                 while(piter.next()) {
 241                         total_nodes--;
 242
 243                         this.addLine(this.pad + piter.get_key() + " : [");
 244                         var pliter = piter.get_value().list_iterator();
 245                         while (pliter.next()) {
 246                                 suffix = pliter.has_next()  ? "," : "";
 247                                 this.addMultiLine(this.pad + indent_str +
 248                                         this.mungeChildNew(this.pad + indent_str  + indent_str, pliter.get()) + suffix);
 249                         }
 250
 251                         suffix = total_nodes > 0 ? "," : "";
 252
 253                         this.addLine(this.pad + "]" + suffix);
 254                 }
 255
 256                 // children..
 257                 if (this.out_children.size > 0) {
 258                         this.addLine(this.pad + "items  : [" );
 259                         var cniter = this.out_children.list_iterator();
 260                         while (cniter.next()) {
 261                                 suffix = cniter.has_next()  ? "," : "";
 262                                 this.addMultiLine(this.pad + indent_str +
 263                                         this.mungeChildNew(this.pad + indent_str  + indent_str, cniter.get()) + suffix
 264                                 );
 265
 266                         }
 267
 268                         this.addLine(this.pad +   "]");
 269                 }
 270
 271                 if (this.node.props.has_key("* xinclude")) {
 272                         this.ret += spad + "})";
 273
 274                 } else {
 275                         this.ret += spad + "}";
 276                 }
 277
 278                 this.node.sortLines();
 279                 return this.ret;
 280
 281         }
 282
 283         /**
 284         * Line endings
 285         *     if we end with a ','
 286         *
 287         */
 288
 289         char last_line_end = 0;
 290
 291         /**
 292         * add a line - note we will end up with an extra line break
 293         *     at beginning of nodes doing this..
 294         *
 295         * @param str = text to add..
 296         * @param line_end = 0  (just add a line break)
 297         *        line_end = ','  and ","
 298         *
 299         */
 300         public void addLine(string str, char line_end)
 301         {
 302                 this.ret += (this.line_end == 0 ? "" : this.last_line_end) + "\n";
 303                 this.cur_line += str.split("\n").length;
 304                 this.ret += str;
 305
 306
 307                 //this.ret +=  "/*%d(%d-%d)*/ ".printf(this.cur_line -1, this.node.line_start,this.node.line_end) + str + "\n";
 308
 309
 310         }
 311
 312 /*      public void addMultiLine(str= "")
 313         {
 314
 315                 //this.ret +=   "/ * %d(%d-%d) * / ".printf(this.cur_line, this.node.line_start,this.node.line_end)+ str + "\n";
 316                 this.ret +=   str + "\n";
 317                 this.cur_line += str.split("\n").length;
 318         }
 319  */
 320         public string mungeChildNew(string pad ,  Node cnode )
 321         {
 322                 var x = new  NodeToJs(cnode, this.doubleStringProps, pad, this);
 323
 324                 x.munge();
 325                 return x.ret;
 326         }
 327
 328         /**
 329         * loop through items[] array see if any of the children have '* prop'
 330         * -- which means they are a property of this node.
 331         * -- ADD TO : this.opt_props_array
 332         *
 333         */
 334
 335         public void checkChildren ()
 336         {
 337
 338
 339                 // look throught he chilren == looking for * prop.. -- fixme might not work..
 340
 341
 342                 if (!this.node.hasChildren()) {
 343                         return;
 344                 }
 345                 // look for '*props'
 346
 347                 for (var ii =0; ii< this.node.items.size; ii++) {
 348                         var pl = this.node.items.get(ii);
 349                         if (!pl.props.has_key("* prop")) {
 350                                 //newitems.add(pl);
 351                                 continue;
 352                         }
 353
 354                         //print(JSON.stringify(pl,null,4));
 355                         // we have a prop...
 356                         //var prop = pl['*prop'] + '';
 357                         //delete pl['*prop'];
 358                         var prop = pl.get("* prop");
 359                         //print("got prop "+ prop + "\n");
 360
 361                         // name ends in [];
 362                         if (! Regex.match_simple("\\[\\]$", prop)) {
 363                                 // it's a standard prop..
 364
 365                                 // munge property..??
 366
 367                                 this.out_nodeprops.set(prop, pl);
 368
 369                                 continue;
 370                         }
 371
 372
 373
 374
 375                         var sprop  = prop.replace("[]", "");
 376                         //print("sprop is : " + sprop + "\n");
 377
 378                         // it's an array type..
 379                         //var old = "";
 380                         if (!this.out_props_array.has_key(sprop)) {
 381                                 this.out_props_array.set(sprop, new Gee.ArrayList<Node>());
 382                         }
 383
 384
 385                         this.out_props_array.get(sprop).add( pl);
 386                         //this.ar_props.set(sprop, nstr);
 387
 388
 389                 }
 390
 391         }
 392         /*
 393  * Standardize this crap...
 394  *
 395  * standard properties (use to set)
 396  *          If they are long values show the dialog..
 397  *
 398  * someprop : ....
 399  * bool is_xxx  :: can show a pulldown.. (true/false)
 400  * string html
 401  * $ string html  = string with value interpolated eg. baseURL + ".."
 402  *  Clutter.ActorAlign x_align  (typed)  -- shows pulldowns if type is ENUM?
 403  * $ untypedvalue = javascript untyped value...
 404  * _ string html ... = translatable..
 405
 406  *
 407  * object properties (not part of the GOjbect being wrapped?
 408  * # Gee.ArrayList<Xcls_fileitem> fileitems
 409  *
 410  * signals
 411  * @ void open
 412  *
 413  * methods -- always text editor..
 414  * | void clearFiles
 415  * | someJSmethod
 416  *
 417  * specials
 418  * * prop -- string
 419  * * args  -- string
 420  * * ctor -- string
 421  * * init -- big string?
 422  *
 423  * event handlers (listeners)
 424  *   just shown
 425  *
 426  * -----------------
 427  * special ID values
 428  *  +XXXX -- indicates it's a instance property / not glob...
 429  *  *XXXX -- skip writing glob property (used as classes that can be created...)
 430  *
 431  *
 432  */
 433         public void readProps()
 434         {
 435                 string left;
 436                 Regex func_regex ;
 437
 438                 if (this.node.props.has_key("$ xns")) {
 439                         this.out_props.set("'|xns'", "'" +  this.node.props.get("$ xns") + "'" );
 440
 441                         //this.els.add("'|xns' : '" + this.node.props.get("$ xns") + "'");
 442
 443                 }
 444
 445
 446                 try {
 447                         func_regex = new Regex("^\\s+|\\s+$");
 448                 } catch (RegexError e) {
 449                         print("failed to build regex");
 450                         return;
 451                 }
 452                 // sort the key's so they always get rendered in the same order..
 453
 454                 var keys = new Gee.ArrayList<string>();
 455                 var piter = this.node.props.map_iterator();
 456                 while (piter.next() ) {
 457                         string k;
 458                         string ktype;
 459                         string kflag;
 460                         this.node.normalize_key(piter.get_key(), out k, out kflag, out ktype);
 461
 462                         keys.add(k);
 463                 }
 464
 465                 keys.sort((  a,  b) => {
 466                         return ((string)a).collate((string)b);
 467                         //if (a == b) return 0;
 468                         //return a < b ? -1 : 1;
 469                 });
 470
 471                 var has_cms = this.node.has("cms-id");
 472
 473                 for (var i = 0; i< keys.size; i++) {
 474                         var key = this.node.get_key(keys.get(i));
 475                         //("ADD KEY %s\n", key);
 476                         string k;
 477                         string ktype;
 478                         string kflag;
 479
 480                         this.node.normalize_key(key, out k, out kflag, out ktype);
 481
 482
 483                         var v = this.node.get(key);
 484
 485
 486                         //if (this.skip.contains(k) ) {
 487                         //      continue;
 488                         //}
 489                         if (  Regex.match_simple("\\[\\]$", k)) {
 490                                 // array .. not supported... here?
 491
 492
 493                         }
 494
 495                         string leftv = k;
 496                         // skip builder stuff. prefixed with  '.' .. just like unix fs..
 497                         if (kflag == ".") { // |. or . -- do not output..
 498                                 continue;
 499                         }
 500                         if (kflag == "*") {
 501                                 // ignore '* prop'; ???
 502                                 continue;
 503                         }
 504
 505                         // handle cms-id // html
 506                         if (has_cms && k == "cms-id") {
 507                                 continue; // ignore it...
 508                         }
 509                         // html must not be a dynamic property...
 510                         // note - we do not translate this either...
 511                         if (has_cms && k == "html" && kflag != "$") {
 512
 513
 514                                 this.out_props.set("html", "Pman.Cms.content(" +
 515                                         this.node.quoteString(this.renderer.name + "::" + this.node.get("cms-id")) +
 516                                          ", " +
 517                                         this.node.quoteString(v) +
 518                                          ")");
 519
 520                                 continue;
 521                         }
 522
 523
 524
 525
 526                         if (Lang.isKeyword(leftv) || Lang.isBuiltin(leftv)) {
 527                                 left = "'" + leftv + "'";
 528                         } else if (Regex.match_simple("[^A-Za-z_]+",leftv)) { // not plain a-z... - quoted.
 529                                 var val = this.node.quoteString(leftv);
 530
 531                                 left = "'" + val.substring(1, val.length-2).replace("'", "\\'") + "'";
 532                         } else {
 533                                 left = leftv;
 534                         }
 535
 536
 537                         // next.. is it a function.. or a raw string..
 538                         if (
 539                                 kflag == "|"
 540                                 ||
 541                                 kflag == "$"
 542                                 ||
 543                                 ktype == "function"
 544
 545                                 // ??? any others that are raw output..
 546                                 ) {
 547                                 // does not hapepnd with arrays..
 548                                 if (v.length < 1) {  //if (typeof(el) == 'string' && !obj[i].length) { //skip empty.
 549                                         continue;
 550                                 }
 551                                 /*
 552                                 print(v);
 553                                 string str = "";
 554                                 try {
 555                                         str = func_regex.replace(v,v.length, 0, "");
 556                                 } catch(Error e) {
 557                                         print("regex failed");
 558                                         return "";
 559                                 }
 560                                 */
 561                                 var str = v.strip();
 562
 563                                 var lines = str.split("\n");
 564                                 var nstr = "" + str;
 565                                 if (lines.length > 0) {
 566                                         nstr =  string.joinv("\n" + this.pad, lines);
 567                                         //nstr =  string.joinv("\n", lines);
 568                                 }
 569                                 this.out_props.set(left, nstr);
 570                                 //print("==> " +  str + "\n");
 571                                 //this.els.add(left + " : "+  nstr);
 572                                 continue;
 573                         }
 574                         // standard..
 575
 576
 577                         if (
 578                                 Lang.isNumber(v)
 579                                 ||
 580                                 Lang.isBoolean(v)
 581                                 ||
 582                                 ktype.down() == "boolean"
 583                                 ||
 584                                 ktype.down() == "bool"
 585                                 ||
 586                                 ktype.down() == "number"
 587                                 ||
 588                                 ktype.down() == "int"
 589                             ) { // boolean or number...?
 590                             this.out_props.set(left, v.down());
 591                                 //this.els.add(left + " : " + v.down() );
 592                                 continue;
 593                         }
 594
 595                         // is it a translated string?
 596
 597
 598
 599
 600                         // strings..
 601                         //if (this.doubleStringProps.size < 1) {
 602                         //      this.els.add(left + this.node.quoteString(v));
 603                         //      continue;
 604                         //}
 605
 606                         if ((this.doubleStringProps.index_of(k) > -1) ||
 607                                 (ktype.down() == "string" && k[0] == '_')
 608
 609                         ) {
 610                                 // then use the translated version...
 611
 612                                 var com = " /* " +
 613                                         (v.split("\n").length > 1 ?
 614                                                 ("\n" + this.pad +  string.joinv(this.pad +  "\n", v.split("\n")).replace("*/", "* - /") + "\n" + this.pad + "*/ ") :
 615                                                 (v.replace("*/", "* - /") + " */")
 616                                         );
 617
 618                                 //this.els.add(left + " : _this._strings['" +
 619                                 //      GLib.Checksum.compute_for_string (ChecksumType.MD5, v) +
 620                                 //      "']"
 621                                 //);
 622                                 this.out_props.set(left, "_this._strings['" +
 623                                         GLib.Checksum.compute_for_string (ChecksumType.MD5, v.strip()) +
 624                                         "']" + com);
 625                                 continue;
 626                         }
 627
 628                         // otherwise it needs to be encapsulated.. as single quotes..
 629
 630                         var vv = this.node.quoteString(v);
 631                         // single quote.. v.substring(1, v.length-1).replace("'", "\\'") + "'";
 632                         //this.els.add(left + " : " +  "'" + vv.substring(1, vv.length-2).replace("'", "\\'") + "'");
 633                         this.out_props.set(left,  "'" + vv.substring(1, vv.length-2).replace("'", "\\'") + "'");
 634
 635
 636
 637
 638                 }
 639         }
 640
 641         public void readListeners()
 642         {
 643
 644                 if (this.node.listeners.size < 1) {
 645                         return;
 646                 }
 647                 // munge the listeners.
 648                 //print("ADDING listeners?");
 649
 650
 651
 652
 653                 var keys = new Gee.ArrayList<string>();
 654                 var piter = this.node.listeners.map_iterator();
 655                 while (piter.next() ) {
 656
 657                         keys.add(piter.get_key());
 658                 }
 659                 keys.sort((  a,  b) => {
 660                         return ((string)a).collate((string)b);
 661                         //if (a == b) return 0;
 662                         //return a < b ? -1 : 1;
 663                 });
 664
 665
 666                 for (var i = 0; i< keys.size; i++) {
 667                         var key = keys.get(i);
 668                         var val = this.node.listeners.get(key);
 669
 670
 671                          //
 672                         var str = val.strip();
 673                         var lines = str.split("\n");
 674                         if (lines.length > 0) {
 675                                 //str = string.joinv("\n" + this.pad + "           ", lines);
 676                                 str = string.joinv("\n" + this.pad + indent_str + indent_str , lines);
 677                         }
 678
 679                         this.out_listeners.set(key.replace("|", "") ,str);
 680
 681
 682                 }
 683
 684
 685
 686         }
 687
 688         public void iterChildren()
 689         {
 690
 691
 692                 // finally munge the children...
 693                 if (this.node.items.size < 1) {
 694                         return;
 695                 }
 696                 var itms = "items : [\n";
 697                 //var n = 0;
 698                 for(var i = 0; i < this.node.items.size;i++) {
 699                         var ele = this.node.items.get(i);
 700                         if (ele.props.has_key("* prop")) {
 701                                 continue;
 702                         }
 703
 704                         this.out_children.add(ele);
 705
 706                 }
 707                 itms +=  "\n"+  this.pad + "]"  + "\n";
 708                 //this.els.add(itms);
 709         }
 710
 711                 // finally output listeners...
 712
 713         public void xIncludeToString()
 714         {
 715
 716
 717         }
 718
 719 }
 720
 721
 722
 723