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use crate::common::BitArray;
use super::{AI01decoder, AbstractExpandedDecoder, GeneralAppIdDecoder};
pub struct AI01393xDecoder<'a> {
information: &'a BitArray,
general_decoder: GeneralAppIdDecoder<'a>,
}
impl AI01decoder for AI01393xDecoder<'_> {}
impl AbstractExpandedDecoder for AI01393xDecoder<'_> {
fn parseInformation(&mut self) -> Result<String, crate::Exceptions> {
if self.information.getSize() < Self::HEADER_SIZE + Self::GTIN_SIZE as usize {
return Err(crate::Exceptions::NotFoundException("".to_owned()));
}
let mut buf = String::new();
self.encodeCompressedGtin(&mut buf, Self::HEADER_SIZE);
let lastAIdigit = self.getGeneralDecoder().extractNumericValueFromBitArray(
Self::HEADER_SIZE + Self::GTIN_SIZE as usize,
Self::LAST_DIGIT_SIZE as u32,
);
buf.push_str("(393");
buf.push_str(&lastAIdigit.to_string());
buf.push(')');
let firstThreeDigits = self.getGeneralDecoder().extractNumericValueFromBitArray(
Self::HEADER_SIZE + Self::GTIN_SIZE as usize + Self::LAST_DIGIT_SIZE,
Self::FIRST_THREE_DIGITS_SIZE as u32,
);
if firstThreeDigits / 100 == 0 {
buf.push('0');
}
if firstThreeDigits / 10 == 0 {
buf.push('0');
}
buf.push_str(&firstThreeDigits.to_string());
let generalInformation = self.general_decoder.decodeGeneralPurposeField(
Self::HEADER_SIZE
+ Self::GTIN_SIZE as usize
+ Self::LAST_DIGIT_SIZE
+ Self::FIRST_THREE_DIGITS_SIZE,
"",
)?;
buf.push_str(&generalInformation.getNewString());
Ok(buf)
}
fn getGeneralDecoder(&self) -> &GeneralAppIdDecoder {
&self.general_decoder
}
}
impl<'a> AI01393xDecoder<'_> {
const HEADER_SIZE: usize = 5 + 1 + 2;
const LAST_DIGIT_SIZE: usize = 2;
const FIRST_THREE_DIGITS_SIZE: usize = 10;
pub fn new(information: &'a BitArray) -> AI01393xDecoder<'a> {
AI01393xDecoder {
information,
general_decoder: GeneralAppIdDecoder::new(information),
}
}
}