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Code Issues Projects Releases Wiki Activity

Make the UriError a bit nicer

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This commit is contained in:
Sebastian Dröge 2016-08-25 00:47:56 +03:00
parent df50617c87
commit 9ae934e48a
6 changed files with 81 additions and 33 deletions
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6
src/rsfilesink.rs
View file

@ -66,7 +66,7 @@ impl Sink for FileSink {
&self.controller
}
fn set_uri(&self, uri: Option<Url>) -> Result<(), (UriError, String)> {
fn set_uri(&self, uri: Option<Url>) -> Result<(), UriError> {
let location = &mut self.settings.lock().unwrap().location;
match uri {
@ -82,8 +82,8 @@ impl Sink for FileSink {
}
None => {
*location = None;
Err((UriError::UnsupportedProtocol,
format!("Unsupported file URI '{}'", uri.as_str())))
Err(UriError::new(UriErrorKind::UnsupportedProtocol,
Some(format!("Unsupported file URI '{}'", uri.as_str()))))
}
}
}

6
src/rsfilesrc.rs
View file

@ -67,7 +67,7 @@ impl Source for FileSrc {
&self.controller
}
fn set_uri(&self, uri: Option<Url>) -> Result<(), (UriError, String)> {
fn set_uri(&self, uri: Option<Url>) -> Result<(), UriError> {
let location = &mut self.settings.lock().unwrap().location;
match uri {
@ -83,8 +83,8 @@ impl Source for FileSrc {
}
None => {
*location = None;
Err((UriError::UnsupportedProtocol,
format!("Unsupported file URI '{}'", uri.as_str())))
Err(UriError::new(UriErrorKind::UnsupportedProtocol,
Some(format!("Unsupported file URI '{}'", uri.as_str()))))
}
}
}

6
src/rshttpsrc.rs
View file

@ -145,7 +145,7 @@ impl Source for HttpSrc {
&self.controller
}
fn set_uri(&self, uri: Option<Url>) -> Result<(), (UriError, String)> {
fn set_uri(&self, uri: Option<Url>) -> Result<(), UriError> {
let url = &mut self.settings.lock().unwrap().url;
match uri {
@ -159,8 +159,8 @@ impl Source for HttpSrc {
Ok(())
} else {
*url = None;
Err((UriError::UnsupportedProtocol,
format!("Unsupported URI '{}'", uri.as_str())))
Err(UriError::new(UriErrorKind::UnsupportedProtocol,
Some(format!("Unsupported URI '{}'", uri.as_str()))))
}
}
}

17
src/rssink.rs
View file

@ -41,7 +41,7 @@ pub trait Sink: Sync + Send {
fn get_controller(&self) -> &SinkController;
// Called from any thread at any time
fn set_uri(&self, uri: Option<Url>) -> Result<(), (UriError, String)>;
fn set_uri(&self, uri: Option<Url>) -> Result<(), UriError>;
fn get_uri(&self) -> Option<Url>;
// Called from the streaming thread only
@ -70,8 +70,8 @@ pub unsafe extern "C" fn sink_set_uri(ptr: *mut Box<Sink>,
let sink: &mut Box<Sink> = &mut *ptr;
if uri_ptr.is_null() {
if let Err((code, msg)) = sink.set_uri(None) {
code.into_gerror(cerr, Some(&msg));
if let Err(err) = sink.set_uri(None) {
err.into_gerror(cerr);
GBoolean::False
} else {
GBoolean::True
@ -81,8 +81,8 @@ pub unsafe extern "C" fn sink_set_uri(ptr: *mut Box<Sink>,
match Url::parse(uri_str) {
Ok(uri) => {
if let Err((code, msg)) = sink.set_uri(Some(uri)) {
code.into_gerror(cerr, Some(&msg));
if let Err(err) = sink.set_uri(Some(uri)) {
err.into_gerror(cerr);
GBoolean::False
} else {
GBoolean::True
@ -90,10 +90,9 @@ pub unsafe extern "C" fn sink_set_uri(ptr: *mut Box<Sink>,
}
Err(err) => {
let _ = sink.set_uri(None);
UriError::BadUri.into_gerror(cerr,
Some(&format!("Failed to parse URI '{}': {}",
uri_str,
err)));
UriError::new(UriErrorKind::BadUri,
Some(format!("Failed to parse URI '{}': {}", uri_str, err)))
.into_gerror(cerr);
GBoolean::False
}
}

17
src/rssource.rs
View file

@ -40,7 +40,7 @@ pub trait Source: Sync + Send {
fn get_controller(&self) -> &SourceController;
// Called from any thread at any time
fn set_uri(&self, uri: Option<Url>) -> Result<(), (UriError, String)>;
fn set_uri(&self, uri: Option<Url>) -> Result<(), UriError>;
fn get_uri(&self) -> Option<Url>;
// Called from any thread between start/stop
@ -74,8 +74,8 @@ pub unsafe extern "C" fn source_set_uri(ptr: *mut Box<Source>,
let source: &mut Box<Source> = &mut *ptr;
if uri_ptr.is_null() {
if let Err((code, msg)) = source.set_uri(None) {
code.into_gerror(cerr, Some(&msg));
if let Err(err) = source.set_uri(None) {
err.into_gerror(cerr);
GBoolean::False
} else {
GBoolean::True
@ -85,8 +85,8 @@ pub unsafe extern "C" fn source_set_uri(ptr: *mut Box<Source>,
match Url::parse(uri_str) {
Ok(uri) => {
if let Err((code, msg)) = source.set_uri(Some(uri)) {
code.into_gerror(cerr, Some(&msg));
if let Err(err) = source.set_uri(Some(uri)) {
err.into_gerror(cerr);
GBoolean::False
} else {
GBoolean::True
@ -94,10 +94,9 @@ pub unsafe extern "C" fn source_set_uri(ptr: *mut Box<Source>,
}
Err(err) => {
let _ = source.set_uri(None);
UriError::BadUri.into_gerror(cerr,
Some(&format!("Failed to parse URI '{}': {}",
uri_str,
err)));
UriError::new(UriErrorKind::BadUri,
Some(format!("Failed to parse URI '{}': {}", uri_str, err)))
.into_gerror(cerr);
GBoolean::False
}
}

62
src/utils.rs
View file

@ -20,6 +20,9 @@ use libc::c_char;
use std::os::raw::c_void;
use std::ffi::CString;
use std::ptr;
use std::error::Error;
use std::fmt::{Display, Formatter};
use std::fmt::Error as FmtError;
#[macro_export]
macro_rules! println_err(
@ -57,26 +60,73 @@ pub unsafe extern "C" fn cstring_drop(ptr: *mut c_char) {
CString::from_raw(ptr);
}
#[repr(C)]
pub enum UriError {
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum UriErrorKind {
UnsupportedProtocol = 0,
BadUri,
BadState,
BadReference,
}
#[derive(Debug)]
pub struct UriError {
error_kind: UriErrorKind,
message: Option<String>,
}
extern "C" {
fn g_set_error_literal(err: *mut c_void, domain: u32, code: i32, message: *const c_char);
fn gst_uri_error_quark() -> u32;
}
impl UriError {
pub unsafe fn into_gerror(self, err: *mut c_void, message: Option<&String>) {
if let Some(msg) = message {
pub fn new(error_kind: UriErrorKind, message: Option<String>) -> UriError {
UriError {
error_kind: error_kind,
message: message,
}
}
pub fn message(&self) -> &Option<String> {
&self.message
}
pub fn kind(&self) -> UriErrorKind {
self.error_kind
}
pub unsafe fn into_gerror(self, err: *mut c_void) {
if let Some(msg) = self.message {
let cmsg = CString::new(msg.as_str()).unwrap();
g_set_error_literal(err, gst_uri_error_quark(), self as i32, cmsg.as_ptr());
g_set_error_literal(err,
gst_uri_error_quark(),
self.error_kind as i32,
cmsg.as_ptr());
} else {
g_set_error_literal(err, gst_uri_error_quark(), self as i32, ptr::null());
g_set_error_literal(err,
gst_uri_error_quark(),
self.error_kind as i32,
ptr::null());
}
}
}
impl Display for UriError {
fn fmt(&self, f: &mut Formatter) -> Result<(), FmtError> {
match self.message {
None => f.write_str(self.description()),
Some(ref message) => f.write_fmt(format_args!("{}: {}", self.description(), message)),
}
}
}
impl Error for UriError {
fn description(&self) -> &str {
match self.error_kind {
UriErrorKind::UnsupportedProtocol => "Unsupported protocol",
UriErrorKind::BadUri => "Bad URI",
UriErrorKind::BadState => "Bad State",
UriErrorKind::BadReference => "Bad Reference",
}
}
}