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use crc::Crc16; pub struct CrcBuilder{ } impl CrcBuilder{ pub fn generate_crc(algorithm: &str) -> Result<Crc16, &'static str> { match algorithm { "crc16_ccitt_false" => { let mut crc = Crc16 { divisor: 0x1021, initial_reminder: 0xFFFF, table: Vec::with_capacity(256), reversed_input:false, reverser_output:false, xorout:0x0000}; crc.create_table(); Ok(crc) }, "crc16_kermit" => { let mut crc = Crc16 { divisor: 0x1021, initial_reminder: 0x0000, table: Vec::with_capacity(256), reversed_input:true, reverser_output:true, xorout:0x0000}; crc.create_table(); Ok(crc) }, _ => Err("Unsupported algoritham specified"), } } }