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