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