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