Quelle schema.rs
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/* 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/. */
//! [`MarkerSchema`] and other enums that will be used by `MarkerSchema`.
use crate::gecko_bindings::{bindings, structs::mozilla};
use std::os::raw::c_char;
/// Marker locations to be displayed in the profiler front-end.
pub type Location = mozilla::MarkerSchema_Location;
/// Formats of marker properties for profiler front-end.
pub type Format = mozilla::MarkerSchema_Format;
/// Whether it's searchable or not in the profiler front-end.
pub type Searchable = mozilla::MarkerSchema_Searchable;
/// This object collects all the information necessary to stream the JSON schema
/// that informs the front-end how to display a type of markers.
/// It will be created and populated in `marker_type_display()` functions in each
/// marker type definition, see add/set functions.
///
/// It's a RAII object that constructs and destroys a C++ MarkerSchema object
/// pointed to a specified reference.
pub struct MarkerSchema {
pub(crate) ptr: *mut mozilla::MarkerSchema,
}
impl MarkerSchema {
// Initialize a marker schema with the given `Location`s.
pub fn new(locations: &[Location]) -> Self {
MarkerSchema {
ptr: unsafe {
bindings::gecko_profiler_construct_marker_schema(
locations.as_ptr(),
locations.len(),
)
},
}
}
/// Marker schema for types that have special frontend handling.
/// Nothing else should be set in this case.
pub fn new_with_special_frontend_location() -> Self {
MarkerSchema {
ptr: unsafe {
bindings::gecko_profiler_construct_marker_schema_with_special_front_end_location()
},
}
}
/// Optional label in the marker chart.
/// If not provided, the marker "name" will be used. The given string
/// can contain element keys in braces to include data elements streamed by
/// `stream_json_marker_data()`. E.g.: "This is {marker.data.text}"
pub fn set_chart_label(&mut self, label: &str) -> &mut Self {
unsafe {
bindings::gecko_profiler_marker_schema_set_chart_label(
self.ptr,
label.as_ptr() as *const c_char,
label.len(),
);
}
self
}
/// Optional label in the marker chart tooltip.
/// If not provided, the marker "name" will be used. The given string
/// can contain element keys in braces to include data elements streamed by
/// `stream_json_marker_data()`. E.g.: "This is {marker.data.text}"
pub fn set_tooltip_label(&mut self, label: &str) -> &mut Self {
unsafe {
bindings::gecko_profiler_marker_schema_set_tooltip_label(
self.ptr,
label.as_ptr() as *const c_char,
label.len(),
);
}
self
}
/// Optional label in the marker table.
/// If not provided, the marker "name" will be used. The given string
/// can contain element keys in braces to include data elements streamed by
/// `stream_json_marker_data()`. E.g.: "This is {marker.data.text}"
pub fn set_table_label(&mut self, label: &str) -> &mut Self {
unsafe {
bindings::gecko_profiler_marker_schema_set_table_label(
self.ptr,
label.as_ptr() as *const c_char,
label.len(),
);
}
self
}
/// Set all marker chart / marker tooltip / marker table labels with the same text.
/// Same as the individual methods, the given string can contain element keys
/// in braces to include data elements streamed by `stream_json_marker_data()`.
/// E.g.: "This is {marker.data.text}"
pub fn set_all_labels(&mut self, label: &str) -> &mut Self {
unsafe {
bindings::gecko_profiler_marker_schema_set_all_labels(
self.ptr,
label.as_ptr() as *const c_char,
label.len(),
);
}
self
}
// Each data element that is streamed by `stream_json_marker_data()` can be
// displayed as indicated by using one of the `add_...` function below.
// Each `add...` will add a line in the full marker description. Parameters:
// - `key`: Element property name as streamed by `stream_json_marker_data()`.
// - `label`: Optional label. Defaults to the key name.
// - `format`: How to format the data element value, see `Format` above.
// - `searchable`: Optional, indicates if the value is used in searches,
// defaults to false.
/// Add a key / format row for the marker data element.
/// - `key`: Element property name as streamed by `stream_json_marker_data()`.
/// - `format`: How to format the data element value, see `Format` above.
pub fn add_key_format(&mut self, key: &str, format: Format) -> &mut Self {
unsafe {
bindings::gecko_profiler_marker_schema_add_key_format(
self.ptr,
key.as_ptr() as *const c_char,
key.len(),
format,
);
}
self
}
/// Add a key / label / format row for the marker data element.
/// - `key`: Element property name as streamed by `stream_json_marker_data()`.
/// - `label`: Optional label. Defaults to the key name.
/// - `format`: How to format the data element value, see `Format` above.
pub fn add_key_label_format(&mut self, key: &str, label: &str, format: Format) -> &mut Self {
unsafe {
bindings::gecko_profiler_marker_schema_add_key_label_format(
self.ptr,
key.as_ptr() as *const c_char,
key.len(),
label.as_ptr() as *const c_char,
label.len(),
format,
);
}
self
}
/// Add a key / format / searchable row for the marker data element.
/// - `key`: Element property name as streamed by `stream_json_marker_data()`.
/// - `format`: How to format the data element value, see `Format` above.
pub fn add_key_format_searchable(
&mut self,
key: &str,
format: Format,
searchable: Searchable,
) -> &mut Self {
unsafe {
bindings::gecko_profiler_marker_schema_add_key_format_searchable(
self.ptr,
key.as_ptr() as *const c_char,
key.len(),
format,
searchable,
);
}
self
}
/// Add a key / label / format / searchable row for the marker data element.
/// - `key`: Element property name as streamed by `stream_json_marker_data()`.
/// - `label`: Optional label. Defaults to the key name.
/// - `format`: How to format the data element value, see `Format` above.
/// - `searchable`: Optional, indicates if the value is used in searches,
/// defaults to false.
pub fn add_key_label_format_searchable(
&mut self,
key: &str,
label: &str,
format: Format,
searchable: Searchable,
) -> &mut Self {
unsafe {
bindings::gecko_profiler_marker_schema_add_key_label_format_searchable(
self.ptr,
key.as_ptr() as *const c_char,
key.len(),
label.as_ptr() as *const c_char,
label.len(),
format,
searchable,
);
}
self
}
/// Add a key / value static row.
/// - `key`: Element property name as streamed by `stream_json_marker_data()`.
/// - `value`: Static value to display.
pub fn add_static_label_value(&mut self, label: &str, value: &str) -> &mut Self {
unsafe {
bindings::gecko_profiler_marker_schema_add_static_label_value(
self.ptr,
label.as_ptr() as *const c_char,
label.len(),
value.as_ptr() as *const c_char,
value.len(),
);
}
self
}
}
impl Drop for MarkerSchema {
fn drop(&mut self) {
unsafe {
bindings::gecko_profiler_destruct_marker_schema(self.ptr);
}
}
}
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2026-03-28
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