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