Files
raven/crates/core/src/prey.rs

142 lines
3.6 KiB
Rust

use std::collections::HashSet;
use std::fs::{File, OpenOptions};
use std::io::{Read, Write};
use std::path::{Path, PathBuf};
use fs::expand_files;
use serde::{Deserialize, Serialize};
use crate::class::Class;
use crate::meta::Meta;
use crate::package::Package;
pub const F_PREY_TOML: &str = "Prey.toml";
pub const F_PREY_LOCK: &str = "Prey.lock";
/// Data struct
#[derive(Debug, Clone, Deserialize, Serialize, Hash, PartialEq, Eq)]
pub struct Prey {
package: Package,
meta: Meta,
}
impl Prey {
pub fn new<S: ToString>(name: S) -> Self {
Self {
package: Package {
entry_point: PathBuf::from(""),
},
meta: Meta::new(name),
}
}
pub fn with_entry_point<P: AsRef<Path>>(&mut self, entry_point: P) -> &mut Self {
self.package.entry_point = entry_point.as_ref().to_path_buf();
self
}
pub fn entry_point(&self) -> PathBuf {
self.package.entry_point.clone()
}
pub fn name(&self) -> String {
self.meta.name.clone()
}
pub fn version(&self) -> semver::Version {
self.meta.version.clone()
}
}
impl TryFrom<PathBuf> for Prey {
type Error = crate::Error;
fn try_from(value: PathBuf) -> Result<Self, Self::Error> {
let f = OpenOptions::new().read(true).open(value)?;
Self::try_from(f)
}
}
impl TryFrom<File> for Prey {
type Error = crate::Error;
fn try_from(mut value: File) -> Result<Self, Self::Error> {
let mut buf = String::new();
value.read_to_string(&mut buf)?;
Ok(toml::from_str(buf.as_str())?)
}
}
/// Data struct
#[derive(Debug, Clone, Default, Deserialize, Serialize, PartialEq, Eq)]
pub struct PreyLock {
classes: HashSet<Class>,
}
impl PreyLock {
pub fn new<P: AsRef<Path>>(package_root: P, package_src_root: P) -> crate::Result<Self> {
Ok(Self::from_paths(
expand_files(package_root)?,
package_src_root,
))
}
pub fn from_paths<P: AsRef<Path>>(paths: Vec<PathBuf>, package_src_root: P) -> Self {
let mut lock = Self::default();
lock.classes = paths
.iter()
.filter_map(|f| {
let dep = Class::new(package_src_root.as_ref().to_path_buf(), f.to_owned());
if dep.is_ok() {
Some(dep.unwrap())
} else {
None
}
})
.collect();
lock
}
pub fn write<P: AsRef<Path>>(&self, package_root: P) -> crate::Result<()> {
let mut package_root = package_root.as_ref().to_path_buf();
if package_root.is_dir() {
package_root = package_root.join(F_PREY_LOCK);
}
Ok(OpenOptions::new()
.write(true)
.create(true)
.open(package_root)?
.write_all(toml::to_string_pretty(&self)?.as_bytes())?)
}
pub fn with_class(&mut self, class: Class) -> &mut Self {
self.classes.insert(class);
self
}
pub fn classes(&mut self) -> &mut HashSet<Class> {
&mut self.classes
}
}
/// Load the PreyLock from Prey.lock file.
impl TryFrom<PathBuf> for PreyLock {
type Error = crate::Error;
fn try_from(value: PathBuf) -> Result<Self, Self::Error> {
let f = OpenOptions::new().read(true).open(value)?;
Self::try_from(f)
}
}
impl TryFrom<File> for PreyLock {
type Error = crate::Error;
fn try_from(mut value: File) -> Result<Self, Self::Error> {
let mut buf = String::new();
value.read_to_string(&mut buf)?;
Ok(toml::from_str(buf.as_str())?)
}
}