/*

z-tools.js-0.1
--------------

z_ts()
z_output()
z_debug()

*/



function z_ts(){

/*

Use tabs (\t) and spaces (\x20) instead
of Unicode's ZW(N)Js (\u200c,\u200d);


Notes:
------

when restoring, ensure to have no
additional tabs and spaces included/wrapped;

for example, z_ts(z_ts('hello world')+'   ')->false

and vice versa, ensure nothing gets lost;
like when using output in comments, posts --
since it gets probably trimmed; ('   '->' ')


*/


a=arguments;
if((a[0].match(/\t/g)||[]).length>32)a[0]=a[0].replace(/\t/g,'\u200c').replace(/\x20/g,'\u200d');
a=z.js.apply(!1,a);
return(!a?!1:a.replace(/\u200c/g,'\t').replace(/\u200d/g,'\x20'));

}








function z_output(d){

for(j in(d=d.match(/[\u200c\u200d]{8}/g))){
 if(j==0)console.info('0=\\u200c (ZWNJ), 1=\\u200d (ZWJ)\nChars: '+d.length+'\n\n');
 b=d[j].replace(/\u200c/g,'0').replace(/\u200d/g,'1');
 console.log(b+' '+String.fromCharCode(parseInt(b,2)));
}

return('u'==(typeof(j)).slice(0,1))?'No \'hidden\' content detected;':'';

}











function z_debug(d){

var C='\u200c'/*ZWNJ*/,D='\u200d'/*ZWJ*/,
B=(Array(33).join(D)+Array(33).join(C)),//used as header in Parts-mode; \xff\xff\xff\xff\x00\x00\x00\x00
p=!1,o='',l=0;

if(!RegExp(C).test(d))return'No \'hidden\' content detected; '+
'use '+arguments.callee.name+'(z.js(content [, pwd, mask]))';

header=(Array(33).join(C)+Array(33).join(D));//A



if((zwnj=d.match(/[\u200c\u200d]/g).length)%8!=0)return'Incorrect data';

//Parts-mode
p=((d.match(RegExp(B,'g')))||[]).length;
m=(p>0)?d.match(RegExp(B+'([\\s\\S])','g')).join('').slice(-1):'';
if(m.charCodeAt(0)<48)m='\\'+m;

console.log('Length:      '+(l=d.length)+' total');
console.log('             '+zwnj+' ZW(N)Js ('+(~~((zwnj/l)*1e2)) +'%) -> '+(l=(zwnj/8))+' chars ('+zwnj+'/8)');
console.log('             '+((p>0)?d.match(RegExp(m,'g')).length:((d.match(/[^\u200c\u200d]/g)||[]).length))+' non-relevant char(s)');
console.log('Encrypted:   '+(((h=((d.match(RegExp(header,'g')))||[]).length)>0)?'No':'Yes'+((p>0)?' (Parts only)':'')));
console.log('Parts-mode:  '+((p>0)?'Yes ('+p+'/mask:'+m.slice(-1)+')':'No'));
console.log('Output:      '+((p==0)?(l-(h*8)-(p*8)):d.replace(RegExp(m,'g'),'').match(/[^\u200c\u200d]/g).length) +((h>0)?' (excluded '+((h*8)+(p*8))+' header chars ('+(h)+' initial header(s) (8), '+(p)+' Parts-mode header(s) (8))':''));


d=d.replace(RegExp(header,'g'),'');
if(p==0)d=d.match(/[\u200c\u200d]{8}/g);
else d=d.replace(RegExp(B,'g'),'').match(/[\u200c\u200d]{8}|[\s\S]/g,'');

for(j in(d)){

if(d[j].length==8){//ZW(N)Js->binary->chr
l++;o+=(String.fromCharCode(parseInt(d[j].replace(/\u200c/g,'0').replace(/\u200d/g,'1'),2)));
}
else o+=(m&&d[j]==m.slice(-1))?'':(d[j]);

}

console.log('             '+((h>0)?o.replace(RegExp('\x00\x00\x00\x00\xff\xff\xff\xff','g'),''):o));
console.log('             '+o.toSource());

console.info('Thanks for calling.\n\nRegards,\n'+arguments.callee.name+'()\n\n');
return'';



}