// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
/// List of all errors.
#[derive(Debug)]
pub enum Error {
/// Only `svg` and `svgz` suffixes are supported.
InvalidFileSuffix,
/// Failed to open the provided file.
FileOpenFailed,
/// Only UTF-8 content are supported.
NotAnUtf8Str,
/// Compressed SVG must use the GZip algorithm.
MalformedGZip,
/// SVG doesn't have a valid size.
///
/// Occurs when width and/or height are <= 0.
///
/// Also occurs if width, height and viewBox are not set.
/// This is against the SVG spec, but an automatic size detection is not supported yet.
InvalidSize,
/// Failed to parse an SVG data.
ParsingFailed(roxmltree::Error),
}
impl std::fmt::Display for Error {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
match *self {
Error::InvalidFileSuffix => {
write!(f, "invalid file suffix")
}
Error::FileOpenFailed => {
write!(f, "failed to open the provided file")
}
Error::NotAnUtf8Str => {
write!(f, "provided data has not an UTF-8 encoding")
}
Error::MalformedGZip => {
write!(f, "provided data has a malformed GZip content")
}
Error::InvalidSize => {
write!(f, "SVG has an invalid size")
}
Error::ParsingFailed(ref e) => {
write!(f, "SVG data parsing failed cause {}", e)
}
}
}
}
impl std::error::Error for Error {}