gstreamer/
error.rs

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1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use glib::{prelude::*, translate::*};
4use thiserror::Error;
5
6#[macro_export]
7macro_rules! error_msg(
8    ($err:expr, ($($msg:tt)*), [$($dbg:tt)*]) =>  { {
9        $crate::ErrorMessage::new(&$err, Some(format!($($msg)*).as_ref()),
10                          Some(format!($($dbg)*).as_ref()),
11                          file!(), $crate::glib::function_name!(), line!())
12    }};
13    ($err:expr, ($($msg:tt)*)) =>  { {
14        $crate::ErrorMessage::new(&$err, Some(format!($($msg)*).as_ref()),
15                          None,
16                          file!(), $crate::glib::function_name!(), line!())
17    }};
18
19    ($err:expr, [$($dbg:tt)*]) =>  { {
20        $crate::ErrorMessage::new(&$err, None,
21                          Some(format!($($dbg)*).as_ref()),
22                          file!(), $crate::glib::function_name!(), line!())
23    }};
24);
25
26#[derive(Clone, Debug, PartialEq, Eq, Error)]
27#[error("Error {:?} ({:?}) at {}:{}", .message, .debug, .filename, .line)]
28pub struct ErrorMessage {
29    pub(crate) error_domain: glib::Quark,
30    pub(crate) error_code: i32,
31    pub(crate) message: Option<String>,
32    pub(crate) debug: Option<String>,
33    pub(crate) filename: &'static str,
34    pub(crate) function: &'static str,
35    pub(crate) line: u32,
36}
37
38impl ErrorMessage {
39    pub fn new<T: crate::MessageErrorDomain>(
40        error: &T,
41        message: Option<&str>,
42        debug: Option<&str>,
43        filename: &'static str,
44        function: &'static str,
45        line: u32,
46    ) -> ErrorMessage {
47        skip_assert_initialized!();
48        let error_domain = T::domain();
49        let error_code = error.code();
50
51        ErrorMessage {
52            error_domain,
53            error_code,
54            message: message.map(String::from),
55            debug: debug.map(String::from),
56            filename,
57            function,
58            line,
59        }
60    }
61}
62
63#[macro_export]
64macro_rules! loggable_error(
65    ($cat:expr, $($msg:tt)*) =>  { {
66        $crate::LoggableError::new($cat.clone(), $crate::glib::bool_error!($($msg)*))
67    }};
68);
69
70#[macro_export]
71macro_rules! result_from_gboolean(
72    ($ffi_bool:expr, $cat:expr, $($msg:tt)*) =>  { {
73        $crate::glib::result_from_gboolean!($ffi_bool, $($msg)*)
74            .map_err(|bool_err| $crate::LoggableError::new($cat.clone(), bool_err))
75    }};
76);
77
78#[derive(Debug, Clone, Error)]
79#[error("Error {:?}: {:?} at {}:{}", .category.name(), .bool_error.message, .bool_error.filename, .bool_error.line)]
80pub struct LoggableError {
81    category: crate::DebugCategory,
82    bool_error: glib::BoolError,
83}
84
85impl LoggableError {
86    pub fn new(category: crate::DebugCategory, bool_error: glib::BoolError) -> LoggableError {
87        skip_assert_initialized!();
88        LoggableError {
89            category,
90            bool_error,
91        }
92    }
93
94    #[inline(never)]
95    pub fn log(&self) {
96        self.bool_error.filename.run_with_gstr(|filename| {
97            self.category.log(
98                None::<&glib::Object>,
99                crate::DebugLevel::Error,
100                filename,
101                self.bool_error.function,
102                self.bool_error.line,
103                format_args!("{}", self.bool_error.message),
104            );
105        });
106    }
107
108    pub fn log_with_object(&self, obj: &impl IsA<glib::Object>) {
109        self.log_with_object_internal(obj.as_ref());
110    }
111
112    #[inline(never)]
113    fn log_with_object_internal(&self, obj: &glib::Object) {
114        self.log_with_object_internal_and_level(obj, crate::DebugLevel::Error);
115    }
116
117    #[inline(never)]
118    fn log_with_object_internal_and_level(&self, obj: &glib::Object, level: crate::DebugLevel) {
119        self.bool_error.filename.run_with_gstr(|filename| {
120            self.category.log(
121                Some(obj),
122                level,
123                filename,
124                self.bool_error.function,
125                self.bool_error.line,
126                format_args!("{}", self.bool_error.message),
127            );
128        });
129    }
130
131    pub fn log_with_imp(&self, imp: &impl glib::subclass::types::ObjectSubclass) {
132        use glib::subclass::prelude::*;
133
134        self.log_with_object_internal_and_level(
135            unsafe { imp.obj().unsafe_cast_ref::<glib::Object>() },
136            crate::DebugLevel::Error,
137        );
138    }
139
140    pub fn log_with_imp_and_level(
141        &self,
142        imp: &impl glib::subclass::types::ObjectSubclass,
143        level: crate::DebugLevel,
144    ) {
145        use glib::subclass::prelude::*;
146
147        self.log_with_object_internal_and_level(
148            unsafe { imp.obj().unsafe_cast_ref::<glib::Object>() },
149            level,
150        );
151    }
152
153    pub fn category(&self) -> crate::DebugCategory {
154        self.category
155    }
156}
157
158impl From<glib::BoolError> for LoggableError {
159    fn from(bool_error: glib::BoolError) -> Self {
160        skip_assert_initialized!();
161        LoggableError {
162            category: *crate::CAT_RUST,
163            bool_error,
164        }
165    }
166}
167
168#[cfg(test)]
169mod tests {
170    use super::*;
171
172    #[test]
173    fn error_message() {
174        crate::init().unwrap();
175
176        let e = ErrorMessage::new(
177            &crate::CoreError::Failed,
178            Some("message"),
179            Some("debug"),
180            "filename",
181            "function",
182            7,
183        );
184        assert_eq!(
185            format!("{e}"),
186            "Error Some(\"message\") (Some(\"debug\")) at filename:7"
187        );
188    }
189
190    #[test]
191    fn logabble_error() {
192        crate::init().unwrap();
193
194        let e: LoggableError = glib::BoolError::new("msg", "filename", "function", 7).into();
195        assert_eq!(format!("{e}"), "Error \"GST_RUST\": \"msg\" at filename:7");
196    }
197}
gstreamer/error.rs

gstreamer/
error.rs
