nl_tokens: Given offset of a keyword after decompression return a record block info containing it else undefined if not found .
pl_tokens: function ( keyAt ) { var hi = ( arr . <mask> >> 1 ) - 1 , lo = 0 , i = ( lo + hi ) >> 1 , val = arr [ ( i << 1 ) + 1 ] ; if ( keyAt > arr [ ( hi << 1 ) + 1 ] || keyAt < 0 ) { return ; } while ( true ) { if ( hi - lo <= 1 ) { if ( i < hi ) { return { block_no : i , comp_offset : arr [ i <<= 1 ] , comp_size : arr [ i + 2 ] - arr [ i ] , decomp_offset : arr [ i + 1 ] , decomp_size : arr [ i + 3 ] - arr [ i + 1 ] } ; } else { return ; } } ( keyAt < val ) ? hi = i : lo = i ; i = ( lo + hi ) >> 1 ; val = arr [ ( i << 1 ) + 1 ] ; } }