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use std::convert::TryFrom;
use serde::{Deserialize, Serialize};
use crate::Error;
#[derive(Copy, Clone, Debug, Deserialize, PartialEq, Serialize)]
pub enum Format {
#[cfg(feature = "json_fmt")]
JSON,
#[cfg(feature = "msgpack_fmt")]
MsgPack,
#[cfg(feature = "toml_fmt")]
TOML,
#[cfg(feature = "yaml_fmt")]
YAML,
}
impl TryFrom<&str> for Format {
type Error = Error;
fn try_from(v: &str) -> crate::Result<Format> {
#[cfg(feature = "json_fmt")]
{
if v == "json" {
return Ok(Format::JSON);
}
}
#[cfg(feature = "msgpack_fmt")]
{
if v == "msgpack" {
return Ok(Format::MsgPack);
}
}
#[cfg(feature = "toml_fmt")]
{
if v == "toml" {
return Ok(Format::TOML);
}
}
#[cfg(feature = "yaml_fmt")]
{
if v == "yaml" {
return Ok(Format::YAML);
}
}
Err(Error::new(format!("Unknown format {}", v)))
}
}
impl AsRef<str> for Format {
fn as_ref(&self) -> &str {
#[cfg(feature = "json_fmt")]
{
if self == &Format::JSON {
return "json";
}
}
#[cfg(feature = "msgpack_fmt")]
{
if self == &Format::MsgPack {
return "msgpack";
}
}
#[cfg(feature = "toml_fmt")]
{
if self == &Format::TOML {
return "toml";
}
}
#[cfg(feature = "yaml_fmt")]
{
if self == &Format::YAML {
return "yaml";
}
}
"unknown"
}
}