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pub mod error;
pub mod result;
use crate::result::Result;
use cfg_if::cfg_if;
use std::collections::hash_map::DefaultHasher;
use std::hash::{Hash, Hasher};
cfg_if! {
if #[cfg(not(target_arch = "wasm32"))] {
use async_std::path::PathBuf;
use async_std::fs;
} else {
use base64::{encode, decode};
}
}
pub struct Store {
pub linux: Option<String>,
pub macos: Option<String>,
pub unix: Option<String>,
pub windows: Option<String>,
pub generic: Option<String>,
pub browser: Option<String>,
}
impl Default for Store {
fn default() -> Self {
Self::new()
}
}
impl Store {
pub fn new() -> Store {
Store {
linux: None,
macos: None,
unix: None,
windows: None,
generic: None,
browser: None,
}
}
pub fn with_linux(&mut self, linux: &str) -> &mut Store {
self.linux = Some(linux.to_string());
self
}
pub fn with_macos(&mut self, macos: &str) -> &mut Store {
self.macos = Some(macos.to_string());
self
}
pub fn with_unix(&mut self, unix: &str) -> &mut Store {
self.unix = Some(unix.to_string());
self
}
pub fn with_windows(&mut self, windows: &str) -> &mut Store {
self.windows = Some(windows.to_string());
self
}
pub fn with_generic(&mut self, generic: &str) -> &mut Store {
self.generic = Some(generic.to_string());
self
}
pub fn with_browser(&mut self, browser: &str) -> &mut Store {
self.browser = Some(browser.to_string());
self
}
pub fn filename(&self) -> String {
cfg_if! {
if #[cfg(target_os = "macos")] {
find(&[self.macos.as_ref(),self.unix.as_ref(),self.generic.as_ref()])
} else if #[cfg(target_os = "linux")] {
find(&[self.linux.as_ref(),self.unix.as_ref(),self.generic.as_ref()])
} else if #[cfg(target_family = "unix")] {
find(&[self.unix.as_ref(),self.generic.as_ref()])
} else if #[cfg(target_family = "windows")] {
find(&[self.windows.as_ref(),self.generic.as_ref()])
} else if #[cfg(target_arch = "wasm32")] {
if let Some(browser) = self.browser.as_ref() {
browser.clone()
} else if let Some(generic) = self.generic.as_ref() {
hash(generic)
} else {
panic!("no path found for the current operating environment");
}
}
}
}
cfg_if! {
if #[cfg(target_arch = "wasm32")] {
pub async fn exists(&self) -> Result<bool> {
let filename = self.filename();
Ok(local_storage().get_item(&filename)?.is_some())
}
pub async fn read(&self) -> Result<Vec<u8>> {
let filename = self.filename();
let v = local_storage().get_item(&filename)?.unwrap();
Ok(decode(v)?)
}
pub async fn write(&self, data: &[u8]) -> Result<()> {
let filename = self.filename();
let v = encode(data);
local_storage().set_item(&filename, &v)?;
Ok(())
}
} else {
pub async fn exists(&self) -> Result<bool> {
let filename = parse(self.filename());
Ok(filename.exists().await)
}
pub async fn read(&self) -> Result<Vec<u8>> {
let filename = parse(self.filename());
Ok(fs::read(&filename).await?)
}
pub async fn write(&self, data: &[u8]) -> Result<()> {
let filename = parse(self.filename());
Ok(fs::write(&filename, data).await?)
}
}
}
}
cfg_if! {
if #[cfg(not(target_arch = "wasm32"))] {
pub fn parse(path : String) -> PathBuf {
if let Some(stripped) = path.strip_prefix('~') {
let home_dir: PathBuf = home::home_dir().unwrap().into();
home_dir.join(stripped)
} else {
PathBuf::from(path)
}
}
} else {
pub fn local_storage() -> web_sys::Storage {
web_sys::window().unwrap().local_storage().unwrap().unwrap()
}
}
}
pub fn find(paths: &[Option<&String>]) -> String {
for path in paths.iter() {
if let Some(path) = *path {
return path.clone();
}
}
panic!("no path found for the current operating environment");
}
pub fn hash<T>(t: T) -> String
where
T: Hash,
{
let mut hasher = DefaultHasher::new();
t.hash(&mut hasher);
let v = hasher.finish();
format!("{v:x}")
}