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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/. */
//! Gecko JSON writer support for marker API.
use crate::gecko_bindings::{bindings, structs::mozilla};
use std::os::raw::c_char;
/// Wrapper for the C++ SpliceableJSONWriter object. It exposes some methods to
/// add various properties to the JSON.
#[derive(Debug)]
pub struct JSONWriter<'a>(&'a mut mozilla::baseprofiler::SpliceableJSONWriter);
impl<'a> JSONWriter<'a> {
/// Constructor for the JSONWriter object. It takes a C++ SpliceableJSONWriter
/// reference as its argument and stores it for later accesses.
pub(crate) fn new(json_writer: &'a mut mozilla::baseprofiler::SpliceableJSONWriter) -> Self {
JSONWriter(json_writer)
}
/// Adds an int property to the JSON.
/// Prints: "<name>": <value>
pub fn int_property(&mut self, name: &str, value: i64) {
unsafe {
bindings::gecko_profiler_json_writer_int_property(
self.0,
name.as_ptr() as *const c_char,
name.len(),
value,
);
}
}
/// Adds a float property to the JSON.
/// Prints: "<name>": <value>
pub fn float_property(&mut self, name: &str, value: f64) {
unsafe {
bindings::gecko_profiler_json_writer_float_property(
self.0,
name.as_ptr() as *const c_char,
name.len(),
value,
);
}
}
/// Adds an bool property to the JSON.
/// Prints: "<name>": <value>
pub fn bool_property(&mut self, name: &str, value: bool) {
unsafe {
bindings::gecko_profiler_json_writer_bool_property(
self.0,
name.as_ptr() as *const c_char,
name.len(),
value,
);
}
}
/// Adds a string property to the JSON.
/// Prints: "<name>": "<value>"
pub fn string_property(&mut self, name: &str, value: &str) {
unsafe {
bindings::gecko_profiler_json_writer_string_property(
self.0,
name.as_ptr() as *const c_char,
name.len(),
value.as_ptr() as *const c_char,
value.len(),
);
}
}
/// Adds a null property to the JSON.
/// Prints: "<name>": null
pub fn null_property(&mut self, name: &str) {
unsafe {
bindings::gecko_profiler_json_writer_null_property(
self.0,
name.as_ptr() as *const c_char,
name.len(),
);
}
}
}
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