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Functions
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//! Library specific error messages.
use serde_json::{Map, Value};
use thiserror::Error;
use crate::{MpvDataType, Property};
/// Any error that can occur when interacting with mpv.
#[derive(Error, Debug)]
pub enum MpvError {
#[error("Mpv returned error in response to command: {message}\nCommand: {command:#?}")]
MpvError {
command: Vec<Value>,
message: String,
},
#[error("Error communicating over mpv socket: {0}")]
MpvSocketConnectionError(String),
#[error("Internal connection error: {0}")]
InternalConnectionError(String),
#[error("JsonParseError: {0}")]
JsonParseError(#[from] serde_json::Error),
#[error("Mpv sent a value with an unexpected type:\nExpected {expected_type}, received {received:#?}")]
ValueContainsUnexpectedType {
expected_type: String,
received: Value,
#[error(
"Mpv sent data with an unexpected type:\nExpected {expected_type}, received {received:#?}"
)]
DataContainsUnexpectedType {
received: MpvDataType,
#[error("Missing expected 'data' field in mpv message")]
MissingMpvData,
#[error("Missing key in object:\nExpected {key} in {map:#?}")]
MissingKeyInObject {
key: String,
map: Map<String, Value>,
#[error("Unexpected property: {0:?}")]
UnexpectedProperty(Property),
#[error("Unknown error: {0}")]
Other(String),
}
impl PartialEq for MpvError {
fn eq(&self, other: &Self) -> bool {
match (self, other) {
(
Self::MpvError {
command: l_command,
message: l_message,
command: r_command,
message: r_message,
) => l_command == r_command && l_message == r_message,
(Self::MpvSocketConnectionError(l0), Self::MpvSocketConnectionError(r0)) => l0 == r0,
(Self::InternalConnectionError(l0), Self::InternalConnectionError(r0)) => l0 == r0,
(Self::JsonParseError(l0), Self::JsonParseError(r0)) => {
l0.to_string() == r0.to_string()
Self::ValueContainsUnexpectedType {
expected_type: l_expected_type,
received: l_received,
expected_type: r_expected_type,
received: r_received,
) => l_expected_type == r_expected_type && l_received == r_received,
Self::DataContainsUnexpectedType {
Self::MissingKeyInObject {
key: l_key,
map: l_map,
key: r_key,
map: r_map,
) => l_key == r_key && l_map == r_map,
_ => core::mem::discriminant(self) == core::mem::discriminant(other),