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94 lines
2.9 KiB
Rust
94 lines
2.9 KiB
Rust
/*
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* Copyright (C) 2010 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* These authors would like to acknowledge the Spanish Ministry of Industry,
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* Tourism and Trade, for the support in the project TSI020301-2008-2
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* "PIRAmIDE: Personalizable Interactions with Resources on AmI-enabled
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* Mobile Dynamic Environments", led by Treelogic
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* ( http://www.treelogic.com/ ):
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*
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* http://www.piramidepse.com/
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*/
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use crate::common::BitArray;
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use super::{AI01decoder, AI01weightDecoder, AbstractExpandedDecoder, GeneralAppIdDecoder};
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/**
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* @author Pablo Orduña, University of Deusto (pablo.orduna@deusto.es)
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*/
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pub struct AI013x0xDecoder<'a> {
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information: &'a BitArray,
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decoder: GeneralAppIdDecoder<'a>,
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addWeightCodeFunction: fn(&mut String, u32),
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checkWeightFunction: fn(u32) -> u32,
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}
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impl AI01weightDecoder for AI013x0xDecoder<'_> {
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fn addWeightCode(&self, buf: &mut String, weight: u32) {
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//unimplemented!("no java implementation exists")
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(self.addWeightCodeFunction)(buf, weight)
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}
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fn checkWeight(&self, weight: u32) -> u32 {
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(self.checkWeightFunction)(weight)
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// unimplemented!("no java implementation exists")
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}
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}
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impl AbstractExpandedDecoder for AI013x0xDecoder<'_> {
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fn parseInformation(&mut self) -> Result<String, crate::Exceptions> {
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if self.information.getSize()
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!= Self::HEADER_SIZE + Self::GTIN_SIZE as usize + Self::WEIGHT_SIZE
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{
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return Err(crate::Exceptions::notFoundEmpty());
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}
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let mut buf = String::new();
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self.encodeCompressedGtin(&mut buf, Self::HEADER_SIZE);
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self.encodeCompressedWeight(
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&mut buf,
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Self::HEADER_SIZE + Self::GTIN_SIZE as usize,
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Self::WEIGHT_SIZE as u32,
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);
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Ok(buf)
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}
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fn getGeneralDecoder(&self) -> &GeneralAppIdDecoder {
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&self.decoder
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}
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}
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impl AI01decoder for AI013x0xDecoder<'_> {}
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impl<'a> AI013x0xDecoder<'_> {
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const HEADER_SIZE: usize = 4 + 1;
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const WEIGHT_SIZE: usize = 15;
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pub fn new(
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information: &'a BitArray,
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addWeightCodeFunction: fn(&mut String, u32),
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checkWeightFunction: fn(u32) -> u32,
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) -> AI013x0xDecoder<'a> {
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AI013x0xDecoder {
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information,
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decoder: GeneralAppIdDecoder::new(information),
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addWeightCodeFunction,
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checkWeightFunction,
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}
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}
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}
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