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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/. */
#[cfg(not(target_os = "android"))]
use std::env;
use std::fs::File;
use std::io::{self, Read};
use std::path::{Path, PathBuf};
use std::sync::{Arc, Mutex};
lazy_static! {
static ref CMD_RESOURCE_DIR: Arc<Mutex<Option<String>>> = {
Arc::new(Mutex::new(None))
};
}
pub fn set_resources_path(path: Option<String>) {
let mut dir = CMD_RESOURCE_DIR.lock().unwrap();
*dir = path;
}
#[cfg(target_os = "android")]
pub fn resources_dir_path() -> PathBuf {
PathBuf::from("/sdcard/servo/")
}
#[cfg(not(target_os = "android"))]
pub fn resources_dir_path() -> PathBuf {
let mut dir = CMD_RESOURCE_DIR.lock().unwrap();
if let Some(ref path) = *dir {
return PathBuf::from(path);
}
// FIXME: Find a way to not rely on the executable being
// under `<servo source>[/$target_triple]/target/debug`
// or `<servo source>[/$target_triple]/target/release`.
let mut path = env::current_exe().expect("can't get exe path");
// Follow symlink
path = path.canonicalize().expect("path does not exist");
path.pop();
path.push("resources");
if !path.is_dir() { // resources dir not in same dir as exe?
// exe is probably in target/{debug,release} so we need to go back to topdir
path.pop();
path.pop();
path.pop();
path.push("resources");
if !path.is_dir() {
// exe is probably in target/$target_triple/{debug,release} so go back one more
path.pop();
path.pop();
path.push("resources");
}
}
*dir = Some(path.to_str().unwrap().to_owned());
path
}
pub fn read_resource_file<P: AsRef<Path>>(relative_path: P) -> io::Result<Vec<u8>> {
let mut path = resources_dir_path();
path.push(relative_path);
let mut file = try!(File::open(&path));
let mut data = Vec::new();
try!(file.read_to_end(&mut data));
Ok(data)
}
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