formats/
lib.rs

1#[macro_use]
2extern crate serde_json;
3
4use std::env;
5use std::fs::File;
6use std::io::{Error, ErrorKind, Read, Write};
7
8pub mod data_struct;
9pub mod error;
10pub mod io_csv;
11pub mod io_json;
12pub mod io_yaml;
13pub use self::data_struct::*;
14
15pub fn read_file(path: &str) -> Result<String, Error> {
16    let mut f = File::open(path)?;
17
18    let mut contents = String::new();
19    f.read_to_string(&mut contents)?;
20    Ok(contents)
21}
22
23pub fn write_file(path: &str, text: &str) -> Result<(), Error> {
24    let mut file = File::create(path)?;
25    file.write_all(text.as_bytes())?;
26    Ok(())
27}
28
29/// errors can be created from strings
30fn create_io_error(msg: &str) -> Error {
31    Error::new(ErrorKind::Other, msg)
32}
33
34pub fn has_env(name: &str) -> bool {
35    match env::var(name) {
36        Ok(val) => {
37            if val.len() > 0 {
38                return true;
39            } else {
40                return false;
41            }
42        }
43        Err(_) => return false,
44    }
45}
46
47pub fn is_debug() -> bool {
48    has_env("DEBUG")
49}
formats/lib.rs

formats/
lib.rs
