70 lines
1.4 KiB
Rust
70 lines
1.4 KiB
Rust
// x11-rs: Rust bindings for X11 libraries
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// The X11 libraries are available under the MIT license.
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// These bindings are public domain.
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use std::error::Error;
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use std::fmt::{Display, Formatter};
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//
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// OpenError
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//
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#[derive(Clone, Debug)]
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pub struct OpenError {
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kind: OpenErrorKind,
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detail: String,
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}
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impl OpenError {
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pub fn detail(&self) -> &str {
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self.detail.as_ref()
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}
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pub fn kind(&self) -> OpenErrorKind {
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self.kind
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}
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pub fn new(kind: OpenErrorKind, detail: String) -> OpenError {
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OpenError { kind, detail }
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}
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}
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impl Display for OpenError {
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fn fmt(&self, f: &mut Formatter) -> Result<(), ::std::fmt::Error> {
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//try!(f.write_str(self.kind.as_str())); TEST Erle July 2020 (on dev branch)
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f.write_str(self.kind.as_str())?;
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if !self.detail.is_empty() {
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f.write_str(" (")?;
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f.write_str(self.detail.as_ref())?;
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f.write_str(")")?;
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}
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Ok(())
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}
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}
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impl Error for OpenError {
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fn description(&self) -> &str {
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self.kind.as_str()
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}
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}
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//
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// OpenErrorKind
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//
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#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
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pub enum OpenErrorKind {
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Library,
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Symbol,
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}
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impl OpenErrorKind {
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pub fn as_str(self) -> &'static str {
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match self {
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OpenErrorKind::Library => "opening library failed",
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OpenErrorKind::Symbol => "loading symbol failed",
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}
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}
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}
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