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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,12 +1,81 @@ | ||
| use wasm_bindgen::prelude::*; | ||
| use serde_cbor::Value; | ||
| use serde_wasm_bindgen::to_value; | ||
| use serde::Serialize; | ||
| use std::collections::{BTreeMap, BTreeSet}; | ||
|
|
||
| #[wasm_bindgen] | ||
| pub fn decode_cbor(data: &[u8]) -> JsValue { | ||
| match serde_cbor::from_slice::<Value>(data) { | ||
| Ok(value) => to_value(&value).unwrap_or(JsValue::NULL), | ||
| Err(_) => JsValue::NULL, | ||
| pub fn process_cbor_data(data: &[u8]) -> JsValue { | ||
| match serde_cbor::from_slice::<BTreeMap<String, Value>>(data) { | ||
| Ok(decoded_data) => { | ||
| let mut data_by_channel: BTreeMap<String, ChannelData> = BTreeMap::new(); | ||
| let mut all_features_set: BTreeSet<u32> = BTreeSet::new(); | ||
|
|
||
| for (key, value) in decoded_data { | ||
| let (channel_name, feature_name) = get_channel_and_feature(&key); | ||
|
|
||
| if channel_name.is_empty() { | ||
| continue; | ||
| } | ||
|
|
||
| if !feature_name.starts_with("fft_psd_") { | ||
| continue; | ||
| } | ||
|
|
||
| let feature_number = &feature_name["fft_psd_".len()..]; | ||
| let feature_index = match feature_number.parse::<u32>() { | ||
| Ok(n) => n, | ||
| Err(_) => continue, | ||
| }; | ||
|
|
||
| all_features_set.insert(feature_index); | ||
|
|
||
| let channel_data = data_by_channel | ||
| .entry(channel_name.clone()) | ||
| .or_insert_with(|| ChannelData { | ||
| channel_name: channel_name.clone(), | ||
| feature_map: BTreeMap::new(), | ||
| }); | ||
|
|
||
| channel_data.feature_map.insert(feature_index, value); | ||
| } | ||
|
|
||
| let all_features: Vec<u32> = all_features_set.into_iter().collect(); | ||
|
|
||
| let result = ProcessedData { | ||
| data_by_channel, | ||
| all_features, | ||
| }; | ||
|
|
||
| to_value(&result).unwrap_or(JsValue::NULL) | ||
| } | ||
| Err(e) => { | ||
| // Optionally log the error for debugging | ||
| JsValue::NULL | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| fn get_channel_and_feature(key: &str) -> (String, String) { | ||
| // Adjusted to split at the "_fft_psd_" pattern | ||
| let pattern = "_fft_psd_"; | ||
| if let Some(pos) = key.find(pattern) { | ||
| let channel_name = &key[..pos]; | ||
| let feature_name = &key[pos + 1..]; // Skip the underscore | ||
| (channel_name.to_string(), feature_name.to_string()) | ||
| } else { | ||
| ("".to_string(), key.to_string()) | ||
| } | ||
| } | ||
|
|
||
| #[derive(Serialize)] | ||
| struct ChannelData { | ||
| channel_name: String, | ||
| feature_map: BTreeMap<u32, Value>, | ||
| } | ||
|
|
||
| #[derive(Serialize)] | ||
| struct ProcessedData { | ||
| data_by_channel: BTreeMap<String, ChannelData>, | ||
| all_features: Vec<u32>, | ||
| } |
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