63 lines
2.1 KiB
Rust
63 lines
2.1 KiB
Rust
// Copyright 2018 Mozilla
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
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// this file except in compliance with the License. You may obtain a copy of the
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// License at http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed
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// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations under the License.
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pub mod strings {
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use std::ffi::{
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CString,
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CStr
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};
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use std::os::raw::c_char;
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use mentat::{
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Keyword,
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};
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pub fn c_char_to_string(cchar: *const c_char) -> &'static str {
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let c_str = unsafe { CStr::from_ptr(cchar) };
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c_str.to_str().unwrap_or("")
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}
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pub fn string_to_c_char<T>(r_string: T) -> *mut c_char where T: Into<String> {
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CString::new(r_string.into()).unwrap().into_raw()
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}
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pub fn kw_from_string(keyword_string: &'static str) -> NamespacedKeyword {
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// TODO: validate. The input might not be a keyword!
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let attr_name = keyword_string.trim_left_matches(":");
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let parts: Vec<&str> = attr_name.split("/").collect();
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Keyword::namespaced(parts[0], parts[1])
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}
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}
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pub mod log {
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#[cfg(all(target_os="android", not(test)))]
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use std::ffi::CString;
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#[cfg(all(target_os="android", not(test)))]
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use android;
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// TODO far from ideal. And, we might actually want to println in tests.
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#[cfg(all(not(target_os="android"), not(target_os="ios")))]
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pub fn d(_: &str) {}
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#[cfg(all(target_os="ios", not(test)))]
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pub fn d(message: &str) {
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eprintln!("{}", message);
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}
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#[cfg(all(target_os="android", not(test)))]
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pub fn d(message: &str) {
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let message = CString::new(message).unwrap();
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let message = message.as_ptr();
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let tag = CString::new("Mentat").unwrap();
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let tag = tag.as_ptr();
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unsafe { android::__android_log_write(android::LogLevel::Debug as i32, tag, message) };
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}
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}
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