90 lines
2.8 KiB
Rust
90 lines
2.8 KiB
Rust
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// XIR errors
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//
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// Copyright (C) 2014-2021 Ryan Specialty Group, LLC.
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//
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// This file is part of TAME.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//! XIR error information.
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use std::{fmt::Display, str::Utf8Error};
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/// Error attempting to produce a XIR object.
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#[derive(Debug, PartialEq, Eq)]
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pub enum Error {
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/// Provided name contains a `':'`.
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NCColon(Vec<u8>),
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/// Provided string contains non-ASCII-whitespace characters.
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NotWhitespace(String),
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/// Provided QName is not valid.
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InvalidQName(Vec<u8>),
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// A UTF-8 error together with the byte slice that caused it.
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//
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// By storing the raw bytes instead of a string,
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// we allow the displayer to determine how to handle invalid UTF-8
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// encodings.
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InvalidUtf8(Utf8Error, Vec<u8>),
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}
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impl Display for Error {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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match self {
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Self::NCColon(bytes) => {
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write!(
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f,
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"NCName `{}` cannot contain ':'",
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String::from_utf8_lossy(bytes)
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)
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}
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Self::NotWhitespace(s) => {
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write!(f, "string contains non-ASCII-whitespace: `{}`", s)
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}
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Self::InvalidQName(bytes) => {
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write!(f, "invalid QName `{}`", String::from_utf8_lossy(bytes))
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}
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Self::InvalidUtf8(inner, bytes) => {
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write!(
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f,
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"{} for string `{}`",
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inner,
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String::from_utf8_lossy(bytes)
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)
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}
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}
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}
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}
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impl std::error::Error for Error {
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fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
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match self {
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Self::InvalidUtf8(err, ..) => Some(err),
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_ => None,
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}
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}
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}
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impl From<(Utf8Error, &[u8])> for Error {
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fn from((err, bytes): (Utf8Error, &[u8])) -> Self {
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Self::InvalidUtf8(err, bytes.to_owned())
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}
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}
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impl From<quick_xml::Error> for Error {
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fn from(err: quick_xml::Error) -> Self {
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// These need to be translated to provide our own errors.
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todo!("quick_xml::Error: {:?}", err)
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}
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}
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