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         Node node;
  17         Gee.ArrayList<string>  doubleStringProps;
  18         string pad;
  19         Gee.ArrayList<string> els;
  20         //Gee.ArrayList<string> skip;
  21         Gee.HashMap<string,string> ar_props;
  22
  23
  24
  25         public NodeToJs( Node node, Gee.ArrayList<string> doubleStringProps, string pad)
  26         {
  27                 this.node = node;
  28                 this.doubleStringProps = doubleStringProps;
  29                 this.pad = pad;
  30                 this.els = new Gee.ArrayList<string>();
  31                 //this.skip = new Gee.ArrayList<string>();
  32                 this.ar_props = new Gee.HashMap<string,string>();
  33
  34         }
  35
  36         public string munge ( )
  37         {
  38                 //return this.mungeToString(this.node);
  39
  40
  41
  42                 this.checkChildren();
  43                 this.readProps();
  44                 this.readArrayProps();
  45                 this.readListeners();
  46
  47                 if (!this.node.props.has_key("* xinclude")) {
  48                         this.iterChildren();
  49                 }
  50
  51
  52
  53
  54                 if (this.els.size < 1) {
  55                         return "";
  56                 }
  57                 // oprops...
  58
  59                 var spad = pad.substring(0, this.pad.length-indent);
  60                 var str_props = gLibStringListJoin(",\n" + this.pad , this.els) ;
  61                 //print ("STR PROPS: " + str_props);
  62                 if (!this.node.props.has_key("* xinclude")) {
  63                         return   "{\n" +
  64                                 this.pad  + str_props +
  65                                 "\n" + spad +  "}";
  66                 }
  67                 // xinclude...
  68
  69
  70                 return "Roo.apply(" + this.node.props.get("* xinclude") + "._tree(), "+
  71                          "{\n" +
  72                                 this.pad  + str_props +
  73                                 "\n" + spad +  "})";
  74
  75         }
  76
  77         string gLibStringListJoin( string sep, Gee.ArrayList<string> ar)
  78         {
  79                 var ret = "";
  80                 for (var i = 0; i < ar.size; i++) {
  81                         ret += i>0 ? sep : "";
  82                         ret += ar.get(i);
  83                 }
  84                 return ret;
  85
  86         }
  87         public string mungeChild(string pad ,  Node cnode)
  88         {
  89                 var x = new  NodeToJs(cnode, this.doubleStringProps, pad);
  90                 return x.munge();
  91         }
  92
  93
  94
  95
  96         public void checkChildren ()
  97         {
  98
  99
 100                 // look throught he chilren == looking for * prop.. -- fixme might not work..
 101
 102
 103                 if (!this.node.hasChildren()) {
 104                         return;
 105                 }
 106                 // look for '*props'
 107
 108                 for (var ii =0; ii< this.node.items.size; ii++) {
 109                         var pl = this.node.items.get(ii);
 110                         if (!pl.props.has_key("* prop")) {
 111                                 //newitems.add(pl);
 112                                 continue;
 113                         }
 114
 115                         //print(JSON.stringify(pl,null,4));
 116                         // we have a prop...
 117                         //var prop = pl['*prop'] + '';
 118                         //delete pl['*prop'];
 119                         var prop = pl.get("* prop");
 120                         print("got prop "+ prop + "\n");
 121
 122                         // name ends in [];
 123                         if (! Regex.match_simple("\\[\\]$", prop)) {
 124                                 // it's a standard prop..
 125
 126                                 // munge property..??
 127                                 this.els.add( prop  + " : " + this.mungeChild (  this.pad + indent_str,  pl));
 128
 129
 130                                 //keys.push(prop);
 131                                 continue;
 132                         }
 133
 134
 135
 136
 137                         var sprop  = prop.replace("[]", "");
 138                         print("sprop is : " + sprop + "\n");
 139
 140                         // it's an array type..
 141                         var old = "";
 142                         if (!this.ar_props.has_key(sprop)) {
 143
 144                                 this.ar_props.set(sprop, "");
 145
 146                         } else {
 147                                 old = this.ar_props.get(sprop);
 148                         }
 149                         var nstr  = old += old.length > 0 ? ",\n" : "";
 150                         nstr += this.mungeChild( this.pad + indent_str + indent_str + indent_str ,   pl);
 151
 152                         this.ar_props.set(sprop, nstr);
 153
 154
 155                 }
 156
 157         }
 158         /*
 159  * Standardize this crap...
 160  *
 161  * standard properties (use to set)
 162  *          If they are long values show the dialog..
 163  *
 164  * someprop : ....
 165  * bool is_xxx  :: can show a pulldown.. (true/false)
 166  * string html
 167  * $ string html  = string with value interpolated eg. baseURL + ".."
 168  *  Clutter.ActorAlign x_align  (typed)  -- shows pulldowns if type is ENUM?
 169  * $ untypedvalue = javascript untyped value...
 170  * _ string html ... = translatable..
 171
 172  *
 173  * object properties (not part of the GOjbect being wrapped?
 174  * # Gee.ArrayList<Xcls_fileitem> fileitems
 175  *
 176  * signals
 177  * @ void open
 178  *
 179  * methods -- always text editor..
 180  * | void clearFiles
 181  * | someJSmethod
 182  *
 183  * specials
 184  * * prop -- string
 185  * * args  -- string
 186  * * ctor -- string
 187  * * init -- big string?
 188  *
 189  * event handlers (listeners)
 190  *   just shown
 191  *
 192  * -----------------
 193  * special ID values
 194  *  +XXXX -- indicates it's a instance property / not glob...
 195  *  *XXXX -- skip writing glob property (used as classes that can be created...)
 196  *
 197  *
 198  */
 199         public void readProps()
 200         {
 201                 string left;
 202                 Regex func_regex ;
 203
 204                 if (this.node.props.has_key("$ xns")) {
 205
 206                         this.els.add("'|xns' : '" + this.node.props.get("$ xns") + "'");
 207
 208                 }
 209
 210
 211                 try {
 212                         func_regex = new Regex("^\\s+|\\s+$");
 213                 } catch (Error e) {
 214                         print("failed to build regex");
 215                         return;
 216                 }
 217                 var piter = this.node.props.map_iterator();
 218                 while (piter.next() ) {
 219                         var kk = piter.get_key().split(" ");
 220                         var v = piter.get_value();
 221                         var k = kk[kk.length-1];
 222
 223
 224                         //if (this.skip.contains(k) ) {
 225                         //      continue;
 226                         //}
 227                         if (  Regex.match_simple("\\[\\]$", k)) {
 228
 229
 230
 231                         }
 232
 233                         string leftv = k;
 234                         // skip builder stuff. prefixed with  '.' .. just like unix fs..
 235                         if (kk[0][0] == '.') { // |. or . -- do not output..
 236                                 continue;
 237                         }
 238                          if (kk[0][0] == '*') {
 239                                 // ignore '*prop';
 240                                 continue;
 241                          }
 242
 243
 244                         if (Lang.isKeyword(leftv) || Lang.isBuiltin(leftv)) {
 245                                 left = "'" + leftv + "'";
 246                         } else if (Regex.match_simple("[^A-Za-z_]+",leftv)) { // not plain a-z... - quoted.
 247                                 var val = this.node.quoteString(leftv);
 248
 249                                 left = "'" + val.substring(1, val.length-2).replace("'", "\\'") + "'";
 250                         } else {
 251                                 left = leftv;
 252                         }
 253                         left += " : ";
 254
 255
 256
 257                         // next.. is it a function.. or a raw string..
 258                         if (
 259                                 kk[0][0] == '|'
 260                                 ||
 261                                 kk[0][0] == '$'
 262                                 ||
 263                                 kk[0] == "function"
 264
 265                                 // ??? any others that are raw output..
 266                                 ) {
 267                                 // does not hapepnd with arrays..
 268                                 if (v.length < 1) {  //if (typeof(el) == 'string' && !obj[i].length) { //skip empty.
 269                                         continue;
 270                                 }
 271                                 /*
 272                                 print(v);
 273                                 string str = "";
 274                                 try {
 275                                         str = func_regex.replace(v,v.length, 0, "");
 276                                 } catch(Error e) {
 277                                         print("regex failed");
 278                                         return "";
 279                                 }
 280                                 */
 281                                 var str = v.strip();
 282
 283                                 var lines = str.split("\n");
 284                                 var nstr = "" + str;
 285                                 if (lines.length > 0) {
 286                                         nstr =  string.joinv("\n" + this.pad, lines);
 287                                 }
 288                                 //print("==> " +  str + "\n");
 289                                 this.els.add(left + nstr);
 290                                 continue;
 291                         }
 292                         // standard..
 293
 294
 295                         if (
 296                                 Lang.isNumber(v)
 297                                 ||
 298                                 Lang.isBoolean(v)
 299                                 ||
 300                                 kk[0].down() == "boolean"
 301                                 ||
 302                                 kk[0].down() == "bool"
 303                                 ||
 304                                 kk[0].down() == "number"
 305                                 ||
 306                                 kk[0].down() == "int"
 307                             ) { // boolean or number...?
 308                                 this.els.add(left + v.down() );
 309                                 continue;
 310                         }
 311
 312                         // strings..
 313                         if (this.doubleStringProps.size < 1) {
 314                                 this.els.add(left + this.node.quoteString(v));
 315                                 continue;
 316                         }
 317
 318                         if (this.doubleStringProps.index_of(k) > -1) {
 319                                 els.add(left + this.node.quoteString(v));
 320                                 continue;
 321                         }
 322                         var vv = this.node.quoteString(v);
 323                         // single quote.. v.substring(1, v.length-1).replace("'", "\\'") + "'";
 324                         this.els.add(left + "'" + vv.substring(1, vv.length-2).replace("'", "\\'") + "'");
 325
 326
 327
 328
 329
 330                 }
 331         }
 332         public void readArrayProps()
 333         {
 334
 335                 // handle the childitems  that are arrays.. eg. button[] = {  }...
 336
 337                 string left;
 338
 339                 var iter = this.ar_props.map_iterator();
 340                 while (iter.next()) {
 341                         var k = iter.get_key();
 342                         var right = iter.get_value();
 343
 344                         string leftv = k[0] == '|' ? k.substring(1) : k;
 345                         if (Lang.isKeyword(leftv) || Lang.isBuiltin(leftv)) {
 346                                 left = "'" + leftv + "'";
 347                         } else if (Regex.match_simple("[^A-Za-z_]+",leftv)) { // not plain a-z... - quoted.
 348                                 var val = this.node.quoteString(leftv);
 349
 350                                 left = "'" + val.substring(1, val.length-2).replace("'", "\\'") + "'";
 351                         } else {
 352                                 left = leftv;
 353                         }
 354                         left += " : ";
 355
 356
 357
 358
 359                         if (right.length > 0){
 360                                 this.els.add(left + "[\n" +  this.pad + "        " +  right + "\n" + this.pad + "]");
 361                         }
 362
 363
 364                 }
 365
 366         }
 367         public void readListeners()
 368         {
 369
 370                 if (this.node.listeners.size < 1) {
 371                         return;
 372                 }
 373                         // munge the listeners.
 374                         //print("ADDING listeners?");
 375
 376                 var liter = this.node.listeners.map_iterator();
 377
 378                 var itms = "listeners : {\n";
 379                 var i =0;
 380                 while (liter.next()) {
 381
 382                         itms += i >0 ? ",\n" : "";
 383                         //
 384                         var str = liter.get_value().strip();
 385                         var lines = str.split("\n");
 386                         if (lines.length > 0) {
 387                                 str = string.joinv("\n" + this.pad + "     ", lines);
 388                         }
 389
 390
 391
 392                         itms +=  this.pad + indent_str  + liter.get_key().replace("|", "")  + " : " + str;
 393
 394                         i++;
 395
 396
 397                 }
 398                 itms += "\n" + this.pad + "}";
 399                 //print ( "ADD " + itms);
 400                 this.els.add(itms);
 401
 402         }
 403
 404         public void iterChildren()
 405         {
 406
 407
 408                 // finally munge the children...
 409                 if (this.node.items.size < 1) {
 410                         return;
 411                 }
 412                 var itms = "items : [\n";
 413                 var n = 0;
 414                 for(var i = 0; i < this.node.items.size;i++) {
 415                         var ele = this.node.items.get(i);
 416                         if (ele.props.has_key("* prop")) {
 417                                 continue;
 418                         }
 419                         if (n > 0) {
 420                                  itms += ",\n";
 421                         }
 422                         n++;
 423                         itms += this.pad + indent_str  +
 424                                 this.mungeChild( this.pad + indent_str + indent_str ,  ele);
 425
 426
 427                 }
 428                 itms +=  "\n"+  this.pad + "]"  + "\n";
 429                 this.els.add(itms);
 430         }
 431
 432                 // finally output listeners...
 433
 434         public void xIncludeToString()
 435         {
 436
 437
 438         }
 439
 440 }
 441
 442
 443
 444