1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
#[cfg(test)]
#[path = "./file_test.rs"]
mod file_test;
use crate::bulk;
use crate::errors::EnvmntError;
use crate::types::EnvmntResult;
use fsio::error::FsIOError;
use fsio::file::read_text_file;
use indexmap::IndexMap;
pub(crate) fn empty_evaluate_fn(key: String, value: String) -> Option<(String, String)> {
Some((key, value))
}
pub(crate) fn load_file(file: &str) -> EnvmntResult<()> {
evaluate_and_load_file(file, empty_evaluate_fn)
}
pub(crate) fn evaluate_and_load_file<F>(file: &str, evaluate: F) -> EnvmntResult<()>
where
F: Fn(String, String) -> Option<(String, String)>,
{
match parse_file(file) {
Ok(env) => {
bulk::evaluate_and_set_all(&env, evaluate);
Ok(())
}
Err(error) => Err(error),
}
}
pub(crate) fn parse_file(file: &str) -> EnvmntResult<IndexMap<String, String>> {
match read_text_file(file) {
Ok(env_content) => {
let env = parse_env_file_content(&env_content);
Ok(env)
}
Err(error) => Err(create_read_file_error(error)),
}
}
fn create_read_file_error(error: FsIOError) -> EnvmntError {
EnvmntError::ReadFile("Unable to read file.", error)
}
pub(crate) fn parse_env_file_content(env_content: &str) -> IndexMap<String, String> {
let mut env: IndexMap<String, String> = IndexMap::new();
let lines: Vec<&str> = env_content.split('\n').collect();
for mut line in lines {
line = line.trim();
if line.len() > 0 && !line.starts_with("#") {
let env_part: Vec<&str> = line.splitn(2, '=').collect();
if env_part.len() == 2 {
let key = env_part[0].trim().to_string();
let mut value = env_part[1].trim().to_string();
value = value
.replace("\\\"", "\"")
.replace("\\n", "\n")
.replace("\\r", "\r");
if value.starts_with('"') && value.ends_with('"') {
value.remove(0);
value.pop();
}
env.insert(key, value);
}
}
}
env
}