libs/vkbeautify.js

   1 /**
   2 * vkBeautify - javascript plugin to pretty-print or minify text in XML, JSON, CSS and SQL formats.
   3 *
   4 * Version - 0.99.00.beta
   5 * Copyright (c) 2012 Vadim Kiryukhin
   6 * vkiryukhin @ gmail.com
   7 * http://www.eslinstructor.net/vkbeautify/
   8 *
   9 * Dual licensed under the MIT and GPL licenses:
  10 *   http://www.opensource.org/licenses/mit-license.php
  11 *   http://www.gnu.org/licenses/gpl.html
  12 *
  13 *   Pretty print
  14 *
  15 *        vkbeautify.xml(text [,indent_pattern]);
  16 *        vkbeautify.json(text [,indent_pattern]);
  17 *        vkbeautify.css(text [,indent_pattern]);
  18 *        vkbeautify.sql(text [,indent_pattern]);
  19 *
  20 *        @text - String; text to beatufy;
  21 *        @indent_pattern - Integer | String;
  22 *                Integer:  number of white spaces;
  23 *                String:   character string to visualize indentation ( can also be a set of white spaces )
  24 *   Minify
  25 *
  26 *        vkbeautify.xmlmin(text [,preserve_comments]);
  27 *        vkbeautify.jsonmin(text);
  28 *        vkbeautify.cssmin(text [,preserve_comments]);
  29 *        vkbeautify.sqlmin(text);
  30 *
  31 *        @text - String; text to minify;
  32 *        @preserve_comments - Bool; [optional];
  33 *                Set this flag to true to prevent removing comments from @text ( minxml and mincss functions only. )
  34 *
  35 *   Examples:
  36 *        vkbeautify.xml(text); // pretty print XML
  37 *        vkbeautify.json(text, 4 ); // pretty print JSON
  38 *        vkbeautify.css(text, '. . . .'); // pretty print CSS
  39 *        vkbeautify.sql(text, '----'); // pretty print SQL
  40 *
  41 *        vkbeautify.xmlmin(text, true);// minify XML, preserve comments
  42 *        vkbeautify.jsonmin(text);// minify JSON
  43 *        vkbeautify.cssmin(text);// minify CSS, remove comments ( default )
  44 *        vkbeautify.sqlmin(text);// minify SQL
  45 *
  46 */
  47
  48 (function() {
  49
  50 function createShiftArr(step) {
  51
  52         var space = '    ';
  53
  54         if ( isNaN(parseInt(step)) ) {  // argument is string
  55                 space = step;
  56         } else { // argument is integer
  57                 switch(step) {
  58                         case 1: space = ' '; break;
  59                         case 2: space = '  '; break;
  60                         case 3: space = '   '; break;
  61                         case 4: space = '    '; break;
  62                         case 5: space = '     '; break;
  63                         case 6: space = '      '; break;
  64                         case 7: space = '       '; break;
  65                         case 8: space = '        '; break;
  66                         case 9: space = '         '; break;
  67                         case 10: space = '          '; break;
  68                         case 11: space = '           '; break;
  69                         case 12: space = '            '; break;
  70                 }
  71         }
  72
  73         var shift = ['\n']; // array of shifts
  74         for(ix=0;ix<100;ix++){
  75                 shift.push(shift[ix]+space);
  76         }
  77         return shift;
  78 }
  79
  80 function vkbeautify(){
  81         this.step = '    '; // 4 spaces
  82         this.shift = createShiftArr(this.step);
  83 };
  84
  85 vkbeautify.prototype.xml = function(text,step) {
  86
  87         var ar = text.replace(/>\s{0,}</g,"><")
  88                                  .replace(/</g,"~::~<")
  89                                  .replace(/\s*xmlns\:/g,"~::~xmlns:")
  90                                  .replace(/\s*xmlns\=/g,"~::~xmlns=")
  91                                  .split('~::~'),
  92                 len = ar.length,
  93                 inComment = false,
  94                 deep = 0,
  95                 str = '',
  96                 ix = 0,
  97                 shift = step ? createShiftArr(step) : this.shift;
  98
  99                 for(ix=0;ix<len;ix++) {
 100                         // start comment or <![CDATA[...]]> or <!DOCTYPE //
 101                         if(ar[ix].search(/<!/) > -1) {
 102                                 str += shift[deep]+ar[ix];
 103                                 inComment = true;
 104                                 // end comment  or <![CDATA[...]]> //
 105                                 if(ar[ix].search(/-->/) > -1 || ar[ix].search(/\]>/) > -1 || ar[ix].search(/!DOCTYPE/) > -1 ) {
 106                                         inComment = false;
 107                                 }
 108                         } else
 109                         // end comment  or <![CDATA[...]]> //
 110                         if(ar[ix].search(/-->/) > -1 || ar[ix].search(/\]>/) > -1) {
 111                                 str += ar[ix];
 112                                 inComment = false;
 113                         } else
 114                         // <elm></elm> //
 115                         if( /^<\w/.exec(ar[ix-1]) && /^<\/\w/.exec(ar[ix]) &&
 116                                 /^<[\w:\-\.\,]+/.exec(ar[ix-1]) == /^<\/[\w:\-\.\,]+/.exec(ar[ix])[0].replace('/','')) {
 117                                 str += ar[ix];
 118                                 if(!inComment) deep--;
 119                         } else
 120                          // <elm> //
 121                         if(ar[ix].search(/<\w/) > -1 && ar[ix].search(/<\//) == -1 && ar[ix].search(/\/>/) == -1 ) {
 122                                 str = !inComment ? str += shift[deep++]+ar[ix] : str += ar[ix];
 123                         } else
 124                          // <elm>...</elm> //
 125                         if(ar[ix].search(/<\w/) > -1 && ar[ix].search(/<\//) > -1) {
 126                                 str = !inComment ? str += shift[deep]+ar[ix] : str += ar[ix];
 127                         } else
 128                         // </elm> //
 129                         if(ar[ix].search(/<\//) > -1) {
 130                                 str = !inComment ? str += shift[--deep]+ar[ix] : str += ar[ix];
 131                         } else
 132                         // <elm/> //
 133                         if(ar[ix].search(/\/>/) > -1 ) {
 134                                 str = !inComment ? str += shift[deep]+ar[ix] : str += ar[ix];
 135                         } else
 136                         // <? xml ... ?> //
 137                         if(ar[ix].search(/<\?/) > -1) {
 138                                 str += shift[deep]+ar[ix];
 139                         } else
 140                         // xmlns //
 141                         if( ar[ix].search(/xmlns\:/) > -1  || ar[ix].search(/xmlns\=/) > -1) {
 142                                 str += shift[deep]+ar[ix];
 143                         }
 144
 145                         else {
 146                                 str += ar[ix];
 147                         }
 148                 }
 149
 150         return  (str[0] == '\n') ? str.slice(1) : str;
 151 }
 152
 153 vkbeautify.prototype.json = function(text,step) {
 154
 155         var step = step ? step : this.step;
 156
 157         if (typeof JSON === 'undefined' ) return text;
 158
 159         if ( typeof text === "string" ) return JSON.stringify(JSON.parse(text), null, step);
 160         if ( typeof text === "object" ) return JSON.stringify(text, null, step);
 161
 162         return text; // text is not string nor object
 163 }
 164
 165 vkbeautify.prototype.css = function(text, step) {
 166
 167         var ar = text.replace(/\s{1,}/g,' ')
 168                                 .replace(/\{/g,"{~::~")
 169                                 .replace(/\}/g,"~::~}~::~")
 170                                 .replace(/\;/g,";~::~")
 171                                 .replace(/\/\*/g,"~::~/*")
 172                                 .replace(/\*\//g,"*/~::~")
 173                                 .replace(/~::~\s{0,}~::~/g,"~::~")
 174                                 .split('~::~'),
 175                 len = ar.length,
 176                 deep = 0,
 177                 str = '',
 178                 ix = 0,
 179                 shift = step ? createShiftArr(step) : this.shift;
 180
 181                 for(ix=0;ix<len;ix++) {
 182
 183                         if( /\{/.exec(ar[ix]))  {
 184                                 str += shift[deep++]+ar[ix];
 185                         } else
 186                         if( /\}/.exec(ar[ix]))  {
 187                                 str += shift[--deep]+ar[ix];
 188                         } else
 189                         if( /\*\\/.exec(ar[ix]))  {
 190                                 str += shift[deep]+ar[ix];
 191                         }
 192                         else {
 193                                 str += shift[deep]+ar[ix];
 194                         }
 195                 }
 196                 return str.replace(/^\n{1,}/,'');
 197 }
 198
 199 //----------------------------------------------------------------------------
 200
 201 function isSubquery(str, parenthesisLevel) {
 202         return  parenthesisLevel - (str.replace(/\(/g,'').length - str.replace(/\)/g,'').length )
 203 }
 204
 205 function split_sql(str, tab) {
 206
 207         return str.replace(/\s{1,}/g," ")
 208
 209                                 .replace(/ AND /ig,"~::~"+tab+tab+"AND ")
 210                                 .replace(/ BETWEEN /ig,"~::~"+tab+"BETWEEN ")
 211                                 .replace(/ CASE /ig,"~::~"+tab+"CASE ")
 212                                 .replace(/ ELSE /ig,"~::~"+tab+"ELSE ")
 213                                 .replace(/ END /ig,"~::~"+tab+"END ")
 214                                 .replace(/ FROM /ig,"~::~FROM ")
 215                                 .replace(/ GROUP\s{1,}BY/ig,"~::~GROUP BY ")
 216                                 .replace(/ HAVING /ig,"~::~HAVING ")
 217                                 //.replace(/ SET /ig," SET~::~")
 218                                 .replace(/ IN /ig," IN ")
 219
 220                                 .replace(/ JOIN /ig,"~::~JOIN ")
 221                                 .replace(/ CROSS~::~{1,}JOIN /ig,"~::~CROSS JOIN ")
 222                                 .replace(/ INNER~::~{1,}JOIN /ig,"~::~INNER JOIN ")
 223                                 .replace(/ LEFT~::~{1,}JOIN /ig,"~::~LEFT JOIN ")
 224                                 .replace(/ RIGHT~::~{1,}JOIN /ig,"~::~RIGHT JOIN ")
 225
 226                                 .replace(/ ON /ig,"~::~"+tab+"ON ")
 227                                 .replace(/ OR /ig,"~::~"+tab+tab+"OR ")
 228                                 .replace(/ ORDER\s{1,}BY/ig,"~::~ORDER BY ")
 229                                 .replace(/ OVER /ig,"~::~"+tab+"OVER ")
 230
 231                                 .replace(/\(\s{0,}SELECT /ig,"~::~(SELECT ")
 232                                 .replace(/\)\s{0,}SELECT /ig,")~::~SELECT ")
 233
 234                                 .replace(/ THEN /ig," THEN~::~"+tab+"")
 235                                 .replace(/ UNION /ig,"~::~UNION~::~")
 236                                 .replace(/ USING /ig,"~::~USING ")
 237                                 .replace(/ WHEN /ig,"~::~"+tab+"WHEN ")
 238                                 .replace(/ WHERE /ig,"~::~WHERE ")
 239                                 .replace(/ WITH /ig,"~::~WITH ")
 240
 241                                 //.replace(/\,\s{0,}\(/ig,",~::~( ")
 242                                 //.replace(/\,/ig,",~::~"+tab+tab+"")
 243
 244                                 .replace(/ ALL /ig," ALL ")
 245                                 .replace(/ AS /ig," AS ")
 246                                 .replace(/ ASC /ig," ASC ")
 247                                 .replace(/ DESC /ig," DESC ")
 248                                 .replace(/ DISTINCT /ig," DISTINCT ")
 249                                 .replace(/ EXISTS /ig," EXISTS ")
 250                                 .replace(/ NOT /ig," NOT ")
 251                                 .replace(/ NULL /ig," NULL ")
 252                                 .replace(/ LIKE /ig," LIKE ")
 253                                 .replace(/\s{0,}SELECT /ig,"SELECT ")
 254                                 .replace(/\s{0,}UPDATE /ig,"UPDATE ")
 255                                 .replace(/ SET /ig," SET ")
 256
 257                                 .replace(/~::~{1,}/g,"~::~")
 258                                 .split('~::~');
 259 }
 260
 261 vkbeautify.prototype.sql = function(text,step) {
 262
 263         var ar_by_quote = text.replace(/\s{1,}/g," ")
 264                                                         .replace(/\'/ig,"~::~\'")
 265                                                         .split('~::~'),
 266                 len = ar_by_quote.length,
 267                 ar = [],
 268                 deep = 0,
 269                 tab = this.step,//+this.step,
 270                 inComment = true,
 271                 inQuote = false,
 272                 parenthesisLevel = 0,
 273                 str = '',
 274                 ix = 0,
 275                 shift = step ? createShiftArr(step) : this.shift;;
 276
 277                 for(ix=0;ix<len;ix++) {
 278                         if(ix%2) {
 279                                 ar = ar.concat(ar_by_quote[ix]);
 280                         } else {
 281                                 ar = ar.concat(split_sql(ar_by_quote[ix], tab) );
 282                         }
 283                 }
 284
 285                 len = ar.length;
 286                 for(ix=0;ix<len;ix++) {
 287
 288                         parenthesisLevel = isSubquery(ar[ix], parenthesisLevel);
 289
 290                         if( /\s{0,}\s{0,}SELECT\s{0,}/.exec(ar[ix]))  {
 291                                 ar[ix] = ar[ix].replace(/\,/g,",\n"+tab+tab+"")
 292                         }
 293
 294                         if( /\s{0,}\s{0,}SET\s{0,}/.exec(ar[ix]))  {
 295                                 ar[ix] = ar[ix].replace(/\,/g,",\n"+tab+tab+"")
 296                         }
 297
 298                         if( /\s{0,}\(\s{0,}SELECT\s{0,}/.exec(ar[ix]))  {
 299                                 deep++;
 300                                 str += shift[deep]+ar[ix];
 301                         } else
 302                         if( /\'/.exec(ar[ix]) )  {
 303                                 if(parenthesisLevel<1 && deep) {
 304                                         deep--;
 305                                 }
 306                                 str += ar[ix];
 307                         }
 308                         else  {
 309                                 str += shift[deep]+ar[ix];
 310                                 if(parenthesisLevel<1 && deep) {
 311                                         deep--;
 312                                 }
 313                         }
 314                         var junk = 0;
 315                 }
 316
 317                 str = str.replace(/^\n{1,}/,'').replace(/\n{1,}/g,"\n");
 318                 return str;
 319 }
 320
 321
 322 vkbeautify.prototype.xmlmin = function(text, preserveComments) {
 323
 324         var str = preserveComments ? text
 325                                                            : text.replace(/\<![ \r\n\t]*(--([^\-]|[\r\n]|-[^\-])*--[ \r\n\t]*)\>/g,"")
 326                                                                          .replace(/[ \r\n\t]{1,}xmlns/g, ' xmlns');
 327         return  str.replace(/>\s{0,}</g,"><");
 328 }
 329
 330 vkbeautify.prototype.jsonmin = function(text) {
 331
 332         if (typeof JSON === 'undefined' ) return text;
 333
 334         return JSON.stringify(JSON.parse(text), null, 0);
 335
 336 }
 337
 338 vkbeautify.prototype.cssmin = function(text, preserveComments) {
 339
 340         var str = preserveComments ? text
 341                                                            : text.replace(/\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\//g,"") ;
 342
 343         return str.replace(/\s{1,}/g,' ')
 344                           .replace(/\{\s{1,}/g,"{")
 345                           .replace(/\}\s{1,}/g,"}")
 346                           .replace(/\;\s{1,}/g,";")
 347                           .replace(/\/\*\s{1,}/g,"/*")
 348                           .replace(/\*\/\s{1,}/g,"*/");
 349 }
 350
 351 vkbeautify.prototype.sqlmin = function(text) {
 352         return text.replace(/\s{1,}/g," ").replace(/\s{1,}\(/,"(").replace(/\s{1,}\)/,")");
 353 }
 354
 355 window.vkbeautify = new vkbeautify();
 356
 357 })();
 358