hopr_platform/
file.rs

1pub mod native {
2    use std::{
3        fs,
4        path::{Path, PathBuf},
5    };
6
7    use crate::error::{PlatformError, Result};
8
9    pub fn read_to_string(file_path: &str) -> Result<String> {
10        fs::read_to_string(file_path)
11            .map_err(|e| PlatformError::GeneralError(format!("Failed to read the file '{file_path}' with error: {e}")))
12    }
13
14    pub fn read_file(file_path: &str) -> Result<Box<[u8]>> {
15        match fs::read(file_path) {
16            Ok(buf) => Ok(Box::from(buf)),
17            Err(e) => Err(PlatformError::GeneralError(format!(
18                "Failed to read the file '{file_path}' with error: {e}"
19            ))),
20        }
21    }
22
23    pub fn join(components: &[&str]) -> Result<String> {
24        let mut path = PathBuf::new();
25
26        for component in components.iter() {
27            path.push(component);
28        }
29
30        match path.to_str().map(|p| p.to_owned()) {
31            Some(p) => Ok(p),
32            None => Err(PlatformError::GeneralError("Failed to stringify path".into())),
33        }
34    }
35
36    pub fn remove_dir_all(path: &std::path::Path) -> Result<()> {
37        fs::remove_dir_all(path).map_err(|e| PlatformError::GeneralError(e.to_string()))
38    }
39
40    pub fn write<R>(path: &str, contents: R) -> Result<()>
41    where
42        R: AsRef<[u8]>,
43    {
44        if let Some(parent_dir_path) = Path::new(path).parent() {
45            if !parent_dir_path.is_dir() {
46                fs::create_dir_all(parent_dir_path)
47                    .map_err(|e| PlatformError::GeneralError(format!("Failed to create dir '{path}': {e}")))?
48            }
49        }
50        fs::write(path, contents)
51            .map_err(|e| PlatformError::GeneralError(format!("Failed to write to file '{path}': {e}")))
52    }
53
54    pub fn metadata(path: &str) -> Result<()> {
55        match fs::metadata(path) {
56            Ok(_) => Ok(()), // currently not interested in details
57            Err(e) => Err(PlatformError::GeneralError(e.to_string())),
58        }
59    }
60}
hopr_platform/file.rs

hopr_platform/
file.rs
