tansu_model/
error.rs

1// Copyright ⓒ 2024-2025 Peter Morgan <peter.james.morgan@gmail.com>
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use std::{
16    fmt::{self, Display},
17    io, num, str, string,
18    sync::Arc,
19};
20
21use serde::{de, ser};
22
23#[derive(Clone, Debug)]
24pub enum Error {
25    DryPop,
26    EmptyStack,
27    FromUtf8(string::FromUtf8Error),
28    Io(Arc<io::Error>),
29    Json(Arc<serde_json::Error>),
30    Message(String),
31    NoCurrentFieldMeta,
32    NoMessageMeta,
33    NoSuchField(&'static str),
34    NoSuchMessage(&'static str),
35    ParseBool(str::ParseBoolError),
36    ParseInt(num::ParseIntError),
37    Syn(syn::Error),
38    TryFromInt(num::TryFromIntError),
39    Utf8(str::Utf8Error),
40}
41
42impl std::error::Error for Error {}
43
44impl ser::Error for Error {
45    fn custom<T: Display>(msg: T) -> Self {
46        Error::Message(msg.to_string())
47    }
48}
49
50impl de::Error for Error {
51    fn custom<T: Display>(msg: T) -> Self {
52        Error::Message(msg.to_string())
53    }
54}
55
56impl From<io::Error> for Error {
57    fn from(value: io::Error) -> Self {
58        Self::Io(Arc::new(value))
59    }
60}
61
62impl From<str::Utf8Error> for Error {
63    fn from(value: str::Utf8Error) -> Self {
64        Self::Utf8(value)
65    }
66}
67
68impl From<string::FromUtf8Error> for Error {
69    fn from(value: string::FromUtf8Error) -> Self {
70        Self::FromUtf8(value)
71    }
72}
73
74impl From<num::TryFromIntError> for Error {
75    fn from(value: num::TryFromIntError) -> Self {
76        Self::TryFromInt(value)
77    }
78}
79
80impl From<str::ParseBoolError> for Error {
81    fn from(value: str::ParseBoolError) -> Self {
82        Self::ParseBool(value)
83    }
84}
85
86impl From<num::ParseIntError> for Error {
87    fn from(value: num::ParseIntError) -> Self {
88        Self::ParseInt(value)
89    }
90}
91
92impl From<serde_json::Error> for Error {
93    fn from(value: serde_json::Error) -> Self {
94        Self::Json(Arc::new(value))
95    }
96}
97
98impl From<syn::Error> for Error {
99    fn from(value: syn::Error) -> Self {
100        Self::Syn(value)
101    }
102}
103
104impl Display for Error {
105    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
106        match self {
107            Error::Message(e) => f.write_str(e),
108            e => write!(f, "{e:?}"),
109        }
110    }
111}
tansu_model/error.rs

tansu_model/
error.rs
