git.roojs.org Git - roobuilder/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                 this.node.node_pad = pad;
  50
  51                 //this.els = new Gee.ArrayList<string>();
  52                 //this.ar_props = new Gee.HashMap<string,string>();
  53
  54
  55
  56                 // this is the bit that causes issues - we have to output as we go, otherwise we
  57                 // can not work out which line is which...
  58
  59                 this.out_props = new Gee.HashMap<string,string>();
  60                 this.out_listeners = new Gee.HashMap<string,string>();
  61
  62
  63                 this.out_nodeprops = new Gee.HashMap<string,Node>() ;
  64                 this.out_children = new Gee.ArrayList<Node> ();
  65
  66                 this.out_props_array = new Gee.HashMap<string,Gee.ArrayList<Node>>(); // filled in by 'checkChildren'
  67                 this.out_props_array_plain = new Gee.HashMap<string,Gee.ArrayList<string>>() ;
  68
  69
  70
  71                 this.cur_line = parent == null ? 0 : parent.cur_line  ; //-1 as we usuall concat onto the existin gline?
  72                 if (parent != null) {
  73                         this.renderer = parent.renderer;
  74                 }
  75                 this.ret = "";
  76                 this.top = parent == null ? this : parent.top;
  77                 // reset the maps...
  78                 if (parent == null) {
  79                         node.node_lines = new Gee.ArrayList<int>();
  80                         node.node_lines_map = new Gee.HashMap<int,Node>();
  81                  }
  82         }
  83
  84
  85
  86
  87
  88
  89         public string munge ( )
  90         {
  91                 //return this.mungeToString(this.node);
  92
  93
  94                 this.checkChildren();
  95                 this.readProps();
  96                 //this.readArrayProps();
  97                 this.readListeners();
  98
  99                 if (!this.node.props.has_key("* xinclude")) {
 100                         this.iterChildren();
 101                 }
 102
 103
 104
 105                 // no properties to output...
 106                 //if (this.els.size < 1) {
 107                 //      return "";
 108                 //}
 109
 110                 this.mungeOut();
 111                 return this.ret;
 112
 113         }
 114                 /**
 115
 116         This currently works by creating a key/value array of this.els, which is just an array of properties..
 117         this is so that join() works...
 118
 119         how this could work:
 120         a) output header
 121         b) output plan properties.
 122         c) output listeners..
 123         c) output *prop
 124         g) output prop_arrays..
 125         d) output children
 126         e)
 127
 128
 129
 130         */
 131
 132         public Gee.ArrayList<string> orderedPropKeys() {
 133
 134                 var ret = new Gee.ArrayList<string> ();
 135                 var niter = this.out_props.map_iterator();
 136                 while(niter.next()) {
 137                         ret.add(niter.get_key());
 138                 }
 139
 140                 ret.sort((  a,  b) => {
 141                         return ((string)a).collate((string)b);
 142                         //if (a == b) return 0;
 143                         //return a < b ? -1 : 1;
 144                 });
 145                 return ret;
 146         }
 147         public Gee.ArrayList<string> orderedListenerKeys() {
 148
 149                 var ret = new Gee.ArrayList<string> ();
 150                 var niter = this.out_listeners.map_iterator();
 151                 while(niter.next()) {
 152                         ret.add(niter.get_key());
 153                 }
 154
 155                 ret.sort((  a,  b) => {
 156                         return ((string)a).collate((string)b);
 157                         //if (a == b) return 0;
 158                         //return a < b ? -1 : 1;
 159                 });
 160                 return ret;
 161         }
 162
 163
 164         public string mungeOut()
 165         {
 166                 this.node.line_start = this.cur_line;
 167                 this.top.node.setNodeLine(this.cur_line, this.node);
 168                 var spad = this.pad.substring(0, this.pad.length-indent);
 169
 170                 if (this.node.props.has_key("* xinclude")) {
 171                         this.addLine("Roo.apply(" + this.node.props.get("* xinclude").val + "._tree(), {",0 );
 172
 173                 } else {
 174                         this.addLine("{", 0);
 175                 }
 176                 var suffix = "";
 177                 // output the items...
 178                 // work out remaining items...
 179
 180                 // output xns / xtype first..
 181                 if (this.out_props.has_key("xtype")) {
 182                         var v = this.out_props.get("xtype");
 183
 184                         this.node.setLine(this.cur_line, "p","xtype");
 185                         this.addLine(this.pad + "xtype" + " : " + v + suffix, ',');
 186                 }
 187
 188                 // plain properties.
 189                 var iter = this.orderedPropKeys().list_iterator();
 190                 while(iter.next()) {
 191
 192
 193                         var k = iter.get();
 194                         if (k == "xns" || k == "xtype") {
 195                                 continue;
 196                         }
 197
 198                         var v = this.out_props.get(k);
 199                         this.node.setLine(this.cur_line, "p",k);
 200
 201                         this.addLine(this.pad + k + " : " + v + suffix, ',');
 202
 203                         this.node.setLine(this.cur_line, "e", k);
 204
 205                 }
 206
 207                 // listeners..
 208
 209                 if (this.out_listeners.size > 0 ) {
 210
 211                         this.addLine(this.pad + "listeners : {", 0);
 212                         iter = this.orderedListenerKeys().list_iterator();
 213
 214                         while(iter.next()) {
 215
 216                                 var k = iter.get();
 217                                 var v = this.out_listeners.get(k);
 218
 219                                 this.node.setLine(this.cur_line, "l",k); //listener
 220                                 this.addLine(this.pad + indent_str + k + " : " + v , ',');
 221
 222                                 this.node.setLine(this.cur_line, "x", k);
 223                         }
 224
 225                         this.closeLine();
 226                         this.addLine(this.pad + "}" ,',');
 227
 228                 }
 229
 230                 //------- at this point it is the end of the code relating directly to the object..
 231
 232                 if (this.out_props.has_key("xns")) {
 233                         var v = this.out_props.get("xns");
 234
 235                         this.node.setLine(this.cur_line, "p","xns");
 236                         this.addLine(this.pad + "xns" + " : " + v + suffix, ',');
 237                         this.node.setLine(this.cur_line, "p","| xns");
 238                         this.addLine(this.pad + "'|xns' : '" + v + "'", ',');
 239                         this.node.setLine(this.cur_line, "e", "xns");
 240
 241                 }
 242
 243                 this.node.line_end = this.cur_line;
 244
 245                 // * prop
 246
 247                 var niter = this.out_nodeprops.map_iterator();
 248
 249                 while(niter.next()) {
 250
 251                         //print("add str: %s\n", addstr);
 252                         this.node.setLine(this.cur_line, "p",niter.get_key());
 253
 254                         var addstr = this.mungeChildNew(this.pad + indent_str, niter.get_value());
 255                         this.addLine(this.pad + niter.get_key() + " : " + addstr, ',');
 256
 257                         this.node.setLine(this.cur_line, "e", "");
 258                 }
 259                 // prop arrays...
 260
 261                 var piter = this.out_props_array.map_iterator();
 262
 263                 while(piter.next()) {
 264
 265                         this.node.setLine(this.cur_line, "p",piter.get_key());
 266                         this.addLine(this.pad + piter.get_key() + " : [", 0);
 267
 268                         var pliter = piter.get_value().list_iterator();
 269                         while (pliter.next()) {
 270                                 var addstr = this.mungeChildNew(this.pad + indent_str  + indent_str, pliter.get());
 271                                 this.addLine(this.pad + indent_str + addstr, ',');
 272                                 this.node.setLine(this.cur_line, "e", "");
 273                         }
 274                         this.closeLine();
 275
 276                         this.addLine(this.pad + "]" , ',');
 277
 278                 }
 279
 280                 // children..
 281                 if (this.out_children.size > 0) {
 282                         this.addLine(this.pad + "items  : [" , 0);
 283                         var cniter = this.out_children.list_iterator();
 284                         while (cniter.next()) {
 285                                 suffix = cniter.has_next()  ? "," : "";
 286                                 var addstr = this.mungeChildNew(this.pad + indent_str  + indent_str, cniter.get());
 287                                 this.addLine(this.pad + indent_str + addstr, ',');
 288                                 this.node.setLine(this.cur_line, "e", "");
 289
 290                         }
 291                         this.closeLine();
 292                         this.addLine(this.pad +   "]",',');
 293                 }
 294                 this.node.setLine(this.cur_line, "e", "");
 295                 this.closeLine();
 296                 if (this.node.props.has_key("* xinclude")) {
 297                         this.addLine(spad + "})",0);
 298
 299                 } else {
 300                         this.addLine( spad + "}", 0);
 301                 }
 302
 303                 this.node.sortLines();
 304
 305
 306
 307                 return this.ret;
 308
 309         }
 310
 311         /**
 312         * Line endings
 313         *     if we end with a ','
 314         *
 315         */
 316
 317         char last_line_end = '!';
 318
 319         /**
 320         * add a line - note we will end up with an extra line break
 321         *     at beginning of nodes doing this..
 322         *
 323         * @param str = text to add..
 324         * @param line_end = 0  (just add a line break)
 325         *        line_end = ','  and ","
 326         *
 327         */
 328         public void addLine(string str, char line_end)
 329         {
 330                 if (this.last_line_end != '!') {
 331                         this.ret += (this.last_line_end == 0 ? "" : this.last_line_end.to_string()) + "\n";
 332                 }
 333                 this.last_line_end = line_end;
 334                 this.cur_line += str.split("\n").length;
 335                 this.ret += str;
 336
 337
 338                 //this.ret +=  "/*%d(%d-%d)*/ ".printf(this.cur_line -1, this.node.line_start,this.node.line_end) + str + "\n";
 339
 340
 341         }
 342         public void closeLine() // send this before '}' or ']' to block output of ',' ...
 343         {
 344                 this.last_line_end = 0;
 345         }
 346
 347 /*      public void addMultiLine(str= "")
 348         {
 349
 350                 //this.ret +=   "/ * %d(%d-%d) * / ".printf(this.cur_line, this.node.line_start,this.node.line_end)+ str + "\n";
 351                 this.ret +=   str + "\n";
 352                 this.cur_line += str.split("\n").length;
 353         }
 354  */
 355         public string mungeChildNew(string pad ,  Node cnode )
 356         {
 357                 var x = new  NodeToJs(cnode, this.doubleStringProps, pad, this);
 358
 359                 x.munge();
 360                 return x.ret;
 361         }
 362
 363         /**
 364         * loop through items[] array see if any of the children have '* prop'
 365         * -- which means they are a property of this node.
 366         * -- ADD TO : this.opt_props_array
 367         *
 368         */
 369
 370         public void checkChildren ()
 371         {
 372
 373
 374                 // look throught he chilren == looking for * prop.. -- fixme might not work..
 375
 376
 377                 if (!this.node.hasChildren()) {
 378                         return;
 379                 }
 380                 // look for '*props'
 381            var items = this.node.readItems();
 382                 for (var ii =0; ii< items.size; ii++) {
 383                         var pl =  items.get(ii);
 384                         if (!pl.props.has_key("* prop")) {
 385                                 //newitems.add(pl);
 386                                 continue;
 387                         }
 388
 389                         //print(JSON.stringify(pl,null,4));
 390                         // we have a prop...
 391                         //var prop = pl['*prop'] + '';
 392                         //delete pl['*prop'];
 393                         var prop = pl.get("* prop");
 394                         //print("got prop "+ prop + "\n");
 395
 396                         // name ends in [];
 397                         if (! Regex.match_simple("\\[\\]$", prop)) {
 398                                 // it's a standard prop..
 399
 400                                 // munge property..??
 401
 402                                 this.out_nodeprops.set(prop, pl);
 403
 404                                 continue;
 405                         }
 406
 407
 408
 409
 410                         var sprop  = prop.replace("[]", "");
 411                         //print("sprop is : " + sprop + "\n");
 412
 413                         // it's an array type..
 414                         //var old = "";
 415                         if (!this.out_props_array.has_key(sprop)) {
 416                                 this.out_props_array.set(sprop, new Gee.ArrayList<Node>());
 417                         }
 418
 419
 420                         this.out_props_array.get(sprop).add( pl);
 421                         //this.ar_props.set(sprop, nstr);
 422
 423
 424                 }
 425
 426         }
 427         /*
 428  * Standardize this crap...
 429  *
 430  * standard properties (use to set)
 431  *          If they are long values show the dialog..
 432  *
 433  * someprop : ....
 434  * bool is_xxx  :: can show a pulldown.. (true/false)
 435  * string html
 436  * $ string html  = string with value interpolated eg. baseURL + ".."
 437  *  Clutter.ActorAlign x_align  (typed)  -- shows pulldowns if type is ENUM?
 438  * $ untypedvalue = javascript untyped value...
 439  * _ string html ... = translatable..
 440
 441  *
 442  * object properties (not part of the GOjbect being wrapped?
 443  * # Gee.ArrayList<Xcls_fileitem> fileitems
 444  *
 445  * signals
 446  * @ void open
 447  *
 448  * methods -- always text editor..
 449  * | void clearFiles
 450  * | someJSmethod
 451  *
 452  * specials
 453  * * prop -- string
 454  * * args  -- string
 455  * * ctor -- string
 456  * * init -- big string?
 457  *
 458  * event handlers (listeners)
 459  *   just shown
 460  *
 461  * -----------------
 462  * special ID values
 463  *  +XXXX -- indicates it's a instance property / not glob...
 464  *  *XXXX -- skip writing glob property (used as classes that can be created...)
 465  *
 466  *
 467  */
 468         public void readProps()
 469         {
 470                 string left;
 471                 Regex func_regex ;
 472
 473                 try {
 474                         func_regex = new Regex("^\\s+|\\s+$");
 475                 } catch (RegexError e) {
 476                         print("failed to build regex");
 477                         return;
 478                 }
 479                 // sort the key's so they always get rendered in the same order..
 480
 481                 var keys = new Gee.ArrayList<string>();
 482                 var piter = this.node.props.map_iterator();
 483                 while (piter.next() ) {
 484
 485
 486                         keys.add( piter.get_key()); // since are keys are nice and clean now..
 487                 }
 488
 489                 keys.sort((  a,  b) => {
 490                         return ((string)a).collate((string)b);
 491                         //if (a == b) return 0;
 492                         //return a < b ? -1 : 1;
 493                 });
 494
 495                 var has_cms = this.node.has("cms-id");
 496
 497                 for (var i = 0; i< keys.size; i++) {
 498                         var prop = this.node.get_prop(keys.get(i));
 499                         //("ADD KEY %s\n", key);
 500                         var k = prop.name;
 501                         var ktype  = prop.rtype;
 502                         var kflag = prop.ptype;
 503                         var v = prop.val;
 504
 505
 506                         //if (this.skip.contains(k) ) {
 507                         //      continue;
 508                         //}
 509                         if (  Regex.match_simple("\\[\\]$", k)) {
 510                                 // array .. not supported... here?
 511
 512                         }
 513
 514                         string leftv = k;
 515                         // skip builder stuff. prefixed with  '.' .. just like unix fs..
 516                         //if (kflag == ".") { // |. or . -- do not output..
 517                         //      continue;
 518                         //}
 519                         if (kflag == NodePropType.SPECIAL) {
 520                                 // ignore '* prop'; ???
 521                                 continue;
 522                         }
 523
 524                         // handle cms-id // html
 525                         if (has_cms && k == "cms-id") {
 526                                 continue; // ignore it...
 527                         }
 528                         // html must not be a dynamic property...
 529                         // note - we do not translate this either...
 530                         if (has_cms && k == "html" && kflag !=  NodePropType.RAW) {
 531
 532
 533                                 this.out_props.set("html", "Pman.Cms.content(" +
 534                                         this.node.quoteString(this.renderer.name + "::" + this.node.get("cms-id")) +
 535                                          ", " +
 536                                         this.node.quoteString(v) +
 537                                          ")");
 538
 539                                 continue;
 540                         }
 541
 542
 543
 544
 545                         if (Lang.isKeyword(leftv) || Lang.isBuiltin(leftv)) {
 546                                 left = "'" + leftv + "'";
 547                         } else if (Regex.match_simple("[^A-Za-z_]+",leftv)) { // not plain a-z... - quoted.
 548                                 var val = this.node.quoteString(leftv);
 549
 550                                 left = "'" + val.substring(1, val.length-2).replace("'", "\\'") + "'";
 551                         } else {
 552                                 left = leftv;
 553                         }
 554
 555
 556                         // next.. is it a function.. or a raw string..
 557                         if (
 558                                 kflag == NodePropType.METHOD
 559                                 ||
 560                                 kflag == NodePropType.RAW
 561                                 ||
 562                                 ktype == "function" // ??? why woudl return type be function? << messed up..
 563
 564                                 // ??? any others that are raw output..
 565                                 ) {
 566                                 // does not hapepnd with arrays..
 567                                 if (v.length < 1) {  //if (typeof(el) == 'string' && !obj[i].length) { //skip empty.
 568                                         continue;
 569                                 }
 570                                 /*
 571                                 print(v);
 572                                 string str = "";
 573                                 try {
 574                                         str = func_regex.replace(v,v.length, 0, "");
 575                                 } catch(Error e) {
 576                                         print("regex failed");
 577                                         return "";
 578                                 }
 579                                 */
 580                                 var str = v.strip();
 581
 582                                 var lines = str.split("\n");
 583                                 var nstr = "" + str;
 584                                 if (lines.length > 0) {
 585                                         nstr =  string.joinv("\n" + this.pad, lines);
 586                                         //nstr =  string.joinv("\n", lines);
 587                                 }
 588                                 this.out_props.set(left, nstr);
 589
 590
 591
 592
 593
 594                                 //print("==> " +  str + "\n");
 595                                 //this.els.add(left + " : "+  nstr);
 596                                 continue;
 597                         }
 598                         // standard..
 599
 600
 601                         if (
 602                                 Lang.isNumber(v)
 603                                 ||
 604                                 Lang.isBoolean(v)
 605                                 ||
 606                                 ktype.down() == "boolean"
 607                                 ||
 608                                 ktype.down() == "bool"
 609                                 ||
 610                                 ktype.down() == "number"
 611                                 ||
 612                                 ktype.down() == "int"
 613                             ) { // boolean or number...?
 614                             this.out_props.set(left, v.down());
 615                                 //this.els.add(left + " : " + v.down() );
 616                                 continue;
 617                         }
 618
 619                         // is it a translated string?
 620
 621
 622
 623
 624                         // strings..
 625                         // doubleStringProps is a list of keys like 'name' 'title' etc.. that we know can be translated..
 626
 627                         if ((this.doubleStringProps.index_of(k) > -1) ||
 628                                 (ktype.down() == "string" && k[0] == '_')  // strings starting with '_'
 629
 630                         ) {
 631                                 // then use the translated version...
 632
 633                                 var com = " /* " +
 634                                         (v.split("\n").length > 1 ?
 635                                                 ("\n" + this.pad +  string.joinv(this.pad +  "\n", v.split("\n")).replace("*/", "* - /") + "\n" + this.pad + "*/ ") :
 636                                                 (v.replace("*/", "* - /") + " */")
 637                                         );
 638
 639                                 //this.els.add(left + " : _this._strings['" +
 640                                 //      GLib.Checksum.compute_for_string (ChecksumType.MD5, v) +
 641                                 //      "']"
 642                                 //);
 643
 644                                 // string is stored in Roo.vala
 645                                 var  kname = GLib.Checksum.compute_for_string (ChecksumType.MD5, v.strip());
 646
 647                                 this.out_props.set(left, "_this._strings['" + kname + "']" + com);
 648                                 continue;
 649                         }
 650
 651                         // otherwise it needs to be encapsulated.. as single quotes..
 652
 653                         var vv = this.node.quoteString(v);
 654                         // single quote.. v.substring(1, v.length-1).replace("'", "\\'") + "'";
 655                         //this.els.add(left + " : " +  "'" + vv.substring(1, vv.length-2).replace("'", "\\'") + "'");
 656                         this.out_props.set(left,  "'" + vv.substring(1, vv.length-2).replace("'", "\\'") + "'");
 657
 658
 659
 660
 661                 }
 662         }
 663
 664         public void readListeners()
 665         {
 666
 667                 if (this.node.listeners.size < 1) {
 668                         return;
 669                 }
 670                 // munge the listeners.
 671                 //print("ADDING listeners?");
 672
 673
 674
 675
 676                 var keys = new Gee.ArrayList<string>();
 677                 var piter = this.node.listeners.map_iterator();
 678                 while (piter.next() ) {
 679
 680                         keys.add(piter.get_key());
 681                 }
 682                 keys.sort((  a,  b) => {
 683                         return ((string)a).collate((string)b);
 684                         //if (a == b) return 0;
 685                         //return a < b ? -1 : 1;
 686                 });
 687
 688
 689                 for (var i = 0; i< keys.size; i++) {
 690                         var key = keys.get(i);
 691                         var val = this.node.listeners.get(key).val;
 692
 693
 694                          //
 695                         var str = val.strip();
 696                         var lines = str.split("\n");
 697                         if (lines.length > 0) {
 698                                 //str = string.joinv("\n" + this.pad + "           ", lines);
 699                                 str = string.joinv("\n" + this.pad + indent_str + indent_str , lines);
 700                         }
 701
 702                         this.out_listeners.set(key.replace("|", "") ,str);
 703
 704
 705                 }
 706
 707
 708
 709         }
 710
 711         public void iterChildren()
 712         {
 713
 714                 var items = this.node.readItems();
 715                 // finally munge the children...
 716                 if (items.size < 1) {
 717                         return;
 718                 }
 719                 var itms = "items : [\n";
 720                 //var n = 0;
 721                 for(var i = 0; i < items.size;i++) {
 722                         var ele = items.get(i);
 723                         if (ele.props.has_key("* prop")) {
 724                                 continue;
 725                         }
 726
 727                         this.out_children.add(ele);
 728
 729                 }
 730                 itms +=  "\n"+  this.pad + "]"  + "\n";
 731                 //this.els.add(itms);
 732         }
 733
 734                 // finally output listeners...
 735
 736         public void xIncludeToString()
 737         {
 738
 739
 740         }
 741
 742 }
 743
 744
 745
 746