зеркало из https://github.com/mozilla/gecko-dev.git
84 строки
2.3 KiB
Rust
84 строки
2.3 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#[cfg(target_os = "android")]
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use android_injected_glue;
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#[cfg(not(target_os = "android"))]
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use std::env;
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#[cfg(target_os = "android")]
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use std::ffi::CStr;
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use std::fs::File;
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use std::io::{self, Read};
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use std::path::{Path, PathBuf};
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use std::sync::{Arc, Mutex};
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lazy_static! {
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static ref CMD_RESOURCE_DIR: Arc<Mutex<Option<String>>> = {
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Arc::new(Mutex::new(None))
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};
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}
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pub fn set_resources_path(path: Option<String>) {
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let mut dir = CMD_RESOURCE_DIR.lock().unwrap();
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*dir = path;
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}
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#[cfg(target_os = "android")]
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#[allow(unsafe_code)]
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pub fn resources_dir_path() -> io::Result<PathBuf> {
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let mut dir = CMD_RESOURCE_DIR.lock().unwrap();
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if let Some(ref path) = *dir {
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return Ok(PathBuf::from(path));
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}
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let data_path = unsafe {
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CStr::from_ptr((*android_injected_glue::get_app().activity).externalDataPath)
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};
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let path = PathBuf::from(data_path.to_str().unwrap());
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*dir = Some(path.to_str().unwrap().to_owned());
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Ok(path)
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}
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#[cfg(not(target_os = "android"))]
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pub fn resources_dir_path() -> io::Result<PathBuf> {
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let mut dir = CMD_RESOURCE_DIR.lock().unwrap();
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if let Some(ref path) = *dir {
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return Ok(PathBuf::from(path));
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}
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// FIXME: Find a way to not rely on the executable being
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// under `<servo source>[/$target_triple]/target/debug`
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// or `<servo source>[/$target_triple]/target/release`.
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let mut path = env::current_exe()?;
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// Follow symlink
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path = path.canonicalize()?;
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while path.pop() {
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path.push("resources");
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if path.is_dir() {
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break;
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}
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path.pop();
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// Check for Resources on mac when using a case sensitive filesystem.
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path.push("Resources");
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if path.is_dir() {
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break;
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}
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path.pop();
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}
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*dir = Some(path.to_str().unwrap().to_owned());
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Ok(path)
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}
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pub fn read_resource_file<P: AsRef<Path>>(relative_path: P) -> io::Result<Vec<u8>> {
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let mut path = resources_dir_path()?;
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path.push(relative_path);
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let mut file = File::open(&path)?;
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let mut data = Vec::new();
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file.read_to_end(&mut data)?;
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Ok(data)
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}
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