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