quintodrome/plugins/cmd/ndpgen/testdata/codec_client_expected.rs

// Code generated by ndpgen. DO NOT EDIT.
//
// This file contains client wrappers for the Codec host service.
// It is intended for use in Navidrome plugins built with extism-pdk.

use extism_pdk::*;
use serde::{Deserialize, Serialize};
use base64::Engine as _;
use base64::engine::general_purpose::STANDARD as BASE64;

mod base64_bytes {
    use serde::{self, Deserialize, Deserializer, Serializer};
    use base64::Engine as _;
    use base64::engine::general_purpose::STANDARD as BASE64;

    pub fn serialize<S>(bytes: &Vec<u8>, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        serializer.serialize_str(&BASE64.encode(bytes))
    }

    pub fn deserialize<'de, D>(deserializer: D) -> Result<Vec<u8>, D::Error>
    where
        D: Deserializer<'de>,
    {
        let s = String::deserialize(deserializer)?;
        BASE64.decode(&s).map_err(serde::de::Error::custom)
    }
}

#[derive(Debug, Clone, Serialize)]
#[serde(rename_all = "camelCase")]
struct CodecEncodeRequest {
    #[serde(with = "base64_bytes")]
    data: Vec<u8>,
}

#[derive(Debug, Clone, Deserialize)]
#[serde(rename_all = "camelCase")]
struct CodecEncodeResponse {
    #[serde(default)]
    #[serde(with = "base64_bytes")]
    result: Vec<u8>,
    #[serde(default)]
    error: Option<String>,
}

#[host_fn]
extern "ExtismHost" {
    fn codec_encode(input: Json<CodecEncodeRequest>) -> Json<CodecEncodeResponse>;
}

/// Calls the codec_encode host function.
///
/// # Arguments
/// * `data` - Vec<u8> parameter.
///
/// # Returns
/// The result value.
///
/// # Errors
/// Returns an error if the host function call fails.
pub fn encode(data: Vec<u8>) -> Result<Vec<u8>, Error> {
    let response = unsafe {
        codec_encode(Json(CodecEncodeRequest {
            data: data,
        }))?
    };

    if let Some(err) = response.0.error {
        return Err(Error::msg(err));
    }

    Ok(response.0.result)
}