nl_tokens: Get a string buffer .
pl_tokens: function getStringBuffer ( s ) { var buffer , n = typeof s === 'number' ? s : null // compressed header buffer , cheader , compressed ; // Does it look like a number? if ( n !== null || typeof s === 'string' && s . match ( / ^-?\d+$ / ) ) { if ( n === null ) { n = parseInt ( s ) ; } if ( n >= - 128 && n <= 127 ) { buffer = new Buffer ( 1 ) ; buffer . writeInt8 ( n , 0 ) ; buffer = this . <mask> ( buffer , 0 , true ) ; return buffer ; } else if ( n >= - 32768 && n <= 32767 ) { buffer = new Buffer ( 2 ) ; buffer . writeInt16LE ( n , 0 ) ; buffer = this . length ( buffer , 1 , true ) ; return buffer ; } else if ( n >= - 2147483648 && n <= 2147483647 ) { buffer = new Buffer ( 4 ) ; buffer . writeInt32LE ( n , 0 ) ; buffer = this . length ( buffer , 2 , true ) ; return buffer ; } } // It doesn't look like a number, or it's too big if ( typeof s === 'string' ) { buffer = new Buffer ( s , this . encoding ) ; } else if ( s instanceof Buffer ) { buffer = s ; } if ( buffer . length > this . compressionThreshold ) { compressed = lzf . compress ( buffer ) ; if ( compressed . length < buffer . length ) { // It saved some space cheader = Buffer . concat ( [ this . getLengthEncoding ( 3 , true ) , this . getLengthEncoding ( compressed . length , false ) , this . getLengthEncoding ( buffer . length , false ) ] ) ; return Buffer . concat ( [ cheader , compressed ] , cheader . length + compressed . length ) ; } } buffer = this . length ( buffer , buffer . length , false ) ; return buffer ; }