You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.1 KiB
43 lines
1.1 KiB
use crate::symbols::Symbol;
|
|
use std::error::Error;
|
|
use std::fs::File as FsFile;
|
|
use std::io::{Read, Write};
|
|
use std::path::Path;
|
|
|
|
#[derive(Debug)]
|
|
pub struct File<D, C> {
|
|
path: D,
|
|
content: C,
|
|
}
|
|
|
|
impl<D, C> File<D, C> {
|
|
pub fn new(path: D, content: C) -> Self {
|
|
Self { path, content }
|
|
}
|
|
}
|
|
|
|
impl<D: AsRef<Path>, C: AsRef<str>> Symbol for File<D, C> {
|
|
fn target_reached(&self) -> Result<bool, Box<dyn Error>> {
|
|
if !self.path.as_ref().exists() {
|
|
return Ok(false);
|
|
}
|
|
let file = FsFile::open(self.path.as_ref())?;
|
|
// Check if content is the same
|
|
let mut file_content = file.bytes();
|
|
let mut target_content = self.content.as_ref().bytes();
|
|
loop {
|
|
match (file_content.next(), target_content.next()) {
|
|
(None, None) => return Ok(true),
|
|
(Some(Ok(a)), Some(b)) if a == b => {}
|
|
(Some(Err(e)), _) => return Err(Box::new(e)),
|
|
(_, _) => return Ok(false),
|
|
}
|
|
}
|
|
}
|
|
|
|
fn execute(&self) -> Result<(), Box<dyn Error>> {
|
|
let mut file = FsFile::create(self.path.as_ref())?;
|
|
file.write_all(self.content.as_ref().as_bytes())?;
|
|
Ok(())
|
|
}
|
|
}
|