wdg-base32 0.1.2

The Base32 Data Encoding
Documentation 
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impl B32Encode<String,String> for B32<String>{
    fn encode(data:String)->String{
        let mut len_data:usize=data.len();
        let mut ptr_data:*const u8=data.as_ptr();
        let size:usize=len_data/5*8+if len_data%5==0 {0}else{8};

        let mut string:String=String::with_capacity(size);
        let mut d:u64;
        unsafe{
            let mut vector=&mut string.as_mut_vec();
            vector.resize(size,0);
            let mut pointer=vector.as_mut_ptr();
            let ptr_alphabet=ALPHABET64.as_ptr();

            while len_data>4{
                *pointer.offset(0) =*ptr_alphabet.offset(((*ptr_data.offset(0)&0b11111000)>>3) as isize);
                *pointer.offset(1) =*ptr_alphabet.offset(((*ptr_data.offset(0)&0b00000111)<<2) as isize);
                *pointer.offset(1)|=*ptr_alphabet.offset(((*ptr_data.offset(1)&0b11000000)>>6) as isize);
                *pointer.offset(2) =*ptr_alphabet.offset(((*ptr_data.offset(1)&0b00111110)>>1) as isize);
                *pointer.offset(3) =*ptr_alphabet.offset(((*ptr_data.offset(1)&0b00000001)<<4) as isize);
                *pointer.offset(3)|=*ptr_alphabet.offset(((*ptr_data.offset(2)&0b11110000)>>4) as isize);
                *pointer.offset(4) =*ptr_alphabet.offset(((*ptr_data.offset(2)&0b00001111)<<1) as isize);
                *pointer.offset(4)|=*ptr_alphabet.offset(((*ptr_data.offset(3)&0b10000000)>>7) as isize);
                *pointer.offset(5) =*ptr_alphabet.offset(((*ptr_data.offset(3)&0b01111100)>>2) as isize);
                *pointer.offset(6) =*ptr_alphabet.offset(((*ptr_data.offset(3)&0b00000011)<<3) as isize);
                *pointer.offset(6)|=*ptr_alphabet.offset(((*ptr_data.offset(4)&0b11100000)>>5) as isize);
                *pointer.offset(7) =*ptr_alphabet.offset(((*ptr_data.offset(4)&0b00011111)>>0) as isize);
                pointer=pointer.offset(8);
                ptr_data=ptr_data.offset(5);
                len_data-=5;
            }
            
            // if len_data==2{
            //     *pointer.offset(0)=*ptr_alphabet.offset((*ptr_data>>2) as isize);
            //     *pointer.offset(1)=*ptr_alphabet.offset((((*ptr_data&0b11)<<4)|{ptr_data=ptr_data.offset(1);*ptr_data>>4}) as isize);
            //     *pointer.offset(2)=*ptr_alphabet.offset(((*ptr_data&0b1111)<<2) as isize);
            //     *pointer.offset(3)=61;
            // }else{
            //     if len_data==1{
            //         *pointer.offset(0)=*ptr_alphabet.offset((*ptr_data>>2) as isize);
            //         *pointer.offset(1)=*ptr_alphabet.offset(((*ptr_data&0b11)<<4) as isize);
            //         *pointer.offset(2)=61;
            //         *pointer.offset(3)=61;
            //     }
            // }
        }
        return string;
    }
}