feagi_data_serialization/implementations/
feagi_json.rs

1//! Serialization implementation for JSON data structures.
2//!
3//! Provides UTF-8 text serialization for `FeagiJSON` values, allowing
4//! arbitrary JSON data to be stored in FEAGI byte containers.
5
6use std::any::Any;
7use feagi_data_structures::FeagiJSON;
8use feagi_data_structures::FeagiDataError;
9use crate::{FeagiByteContainer, FeagiByteStructureType, FeagiSerializable};
10
11/// Current version of the JSON serialization format.
12const BYTE_STRUCT_VERSION: u8 = 1;
13
14impl FeagiSerializable for FeagiJSON {
15    fn get_type(&self) -> FeagiByteStructureType {
16        FeagiByteStructureType::JSON
17    }
18
19    fn get_version(&self) -> u8 {
20        BYTE_STRUCT_VERSION
21    }
22
23    fn get_number_of_bytes_needed(&self) -> usize {
24        self.borrow_json_value().to_string().as_bytes().len() + FeagiByteContainer::STRUCT_HEADER_BYTE_COUNT
25    }
26
27    fn try_serialize_struct_to_byte_slice(&self, byte_destination: &mut [u8]) -> Result<(), FeagiDataError> {
28        byte_destination[0] = self.get_type() as u8;
29        byte_destination[1] = self.get_version();
30
31        let json_string = self.borrow_json_value().to_string();
32        let json_bytes = json_string.as_bytes();
33
34        // Write the JSON data as UTF-8 bytes
35        byte_destination[FeagiByteContainer::STRUCT_HEADER_BYTE_COUNT..].copy_from_slice(json_bytes);
36        Ok(())
37    }
38
39    fn try_deserialize_and_update_self_from_byte_slice(&mut self, byte_structure_slice: &[u8]) -> Result<(), FeagiDataError> {
40        // Assuming type is correct
41        self.verify_byte_slice_is_of_correct_version(byte_structure_slice)?;
42        
43        let json_bytes = &byte_structure_slice[FeagiByteContainer::STRUCT_HEADER_BYTE_COUNT..];
44
45        // Parse JSON string
46        let json_value = match serde_json::from_slice(json_bytes) {
47            Ok(value) => value,
48            Err(e) => return Err(FeagiDataError::DeserializationError(format!("Invalid JSON data: {}", e))),
49        };
50        self.update_json_value(json_value);
51
52        Ok(())
53    }
54
55    fn as_any(&self) -> &dyn Any {
56        self
57    }
58
59}
feagi_data_serialization/implementations/feagi_json.rs

feagi_data_serialization/implementations/
feagi_json.rs
