feagi_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 crate::{FeagiByteContainer, FeagiByteStructureType, FeagiSerializable};
7use feagi_structures::FeagiDataError;
8use feagi_structures::FeagiJSON;
9use std::any::Any;
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().len() + FeagiByteContainer::STRUCT_HEADER_BYTE_COUNT
25    }
26
27    fn try_serialize_struct_to_byte_slice(
28        &self,
29        byte_destination: &mut [u8],
30    ) -> Result<(), FeagiDataError> {
31        byte_destination[0] = self.get_type() as u8;
32        byte_destination[1] = self.get_version();
33
34        let json_string = self.borrow_json_value().to_string();
35        let json_bytes = json_string.as_bytes();
36
37        // Write the JSON data as UTF-8 bytes
38        byte_destination[FeagiByteContainer::STRUCT_HEADER_BYTE_COUNT..]
39            .copy_from_slice(json_bytes);
40        Ok(())
41    }
42
43    fn try_deserialize_and_update_self_from_byte_slice(
44        &mut self,
45        byte_structure_slice: &[u8],
46    ) -> Result<(), FeagiDataError> {
47        // Assuming type is correct
48        self.verify_byte_slice_is_of_correct_version(byte_structure_slice)?;
49
50        let json_bytes = &byte_structure_slice[FeagiByteContainer::STRUCT_HEADER_BYTE_COUNT..];
51
52        // Parse JSON string
53        let json_value = match serde_json::from_slice(json_bytes) {
54            Ok(value) => value,
55            Err(e) => {
56                return Err(FeagiDataError::DeserializationError(format!(
57                    "Invalid JSON data: {}",
58                    e
59                )))
60            }
61        };
62        self.update_json_value(json_value);
63
64        Ok(())
65    }
66
67    fn as_any(&self) -> &dyn Any {
68        self
69    }
70}
feagi_serialization/implementations/feagi_json.rs

feagi_serialization/implementations/
feagi_json.rs
