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
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
use std::path::{Component, Path, PathBuf};
use anyhow::{bail, Result};
pub fn safe_join_path<T1: AsRef<Path>, T2: AsRef<Path>>(
base_path: T1,
sub_path: T2,
) -> Option<PathBuf> {
let base_path = base_path.as_ref();
let sub_path = sub_path.as_ref();
if sub_path.is_absolute() {
return None;
}
let mut joined_path = PathBuf::from(base_path);
for component in sub_path.components() {
if Component::ParentDir == component {
return None;
}
joined_path.push(component);
}
if joined_path.starts_with(base_path) {
Some(joined_path)
} else {
None
}
}
pub async fn expand_glob_paths<T: AsRef<str>>(paths: &[T]) -> Result<Vec<String>> {
let mut new_paths = vec![];
for path in paths {
let (path_str, suffixes) = parse_glob(path.as_ref())?;
let suffixes = if suffixes.is_empty() {
None
} else {
Some(&suffixes)
};
list_files(&mut new_paths, Path::new(&path_str), suffixes).await?;
}
Ok(new_paths)
}
pub fn path_extension(path: &str) -> Option<String> {
Path::new(&path)
.extension()
.map(|v| v.to_string_lossy().to_lowercase())
}
fn parse_glob(path_str: &str) -> Result<(String, Vec<String>)> {
if let Some(start) = path_str.find("/**/*.").or_else(|| path_str.find(r"\**\*.")) {
let base_path = path_str[..start].to_string();
if let Some(curly_brace_end) = path_str[start..].find('}') {
let end = start + curly_brace_end;
let extensions_str = &path_str[start + 6..end + 1];
let extensions = if extensions_str.starts_with('{') && extensions_str.ends_with('}') {
extensions_str[1..extensions_str.len() - 1]
.split(',')
.map(|s| s.to_string())
.collect::<Vec<String>>()
} else {
bail!("Invalid path '{path_str}'");
};
Ok((base_path, extensions))
} else {
let extensions_str = &path_str[start + 6..];
let extensions = vec![extensions_str.to_string()];
Ok((base_path, extensions))
}
} else if path_str.ends_with("/**") || path_str.ends_with(r"\**") {
Ok((path_str[0..path_str.len() - 3].to_string(), vec![]))
} else {
Ok((path_str.to_string(), vec![]))
}
}
#[async_recursion::async_recursion]
async fn list_files(
files: &mut Vec<String>,
entry_path: &Path,
suffixes: Option<&Vec<String>>,
) -> Result<()> {
if !entry_path.exists() {
bail!("Not found: {}", entry_path.display());
}
if entry_path.is_file() {
add_file(files, suffixes, entry_path);
return Ok(());
}
if !entry_path.is_dir() {
bail!("Not a directory: {:?}", entry_path);
}
let mut reader = tokio::fs::read_dir(entry_path).await?;
while let Some(entry) = reader.next_entry().await? {
let path = entry.path();
if path.is_file() {
add_file(files, suffixes, &path);
} else if path.is_dir() {
list_files(files, &path, suffixes).await?;
}
}
Ok(())
}
fn add_file(files: &mut Vec<String>, suffixes: Option<&Vec<String>>, path: &Path) {
if is_valid_extension(suffixes, path) {
let path = path.display().to_string();
if !files.contains(&path) {
files.push(path);
}
}
}
fn is_valid_extension(suffixes: Option<&Vec<String>>, path: &Path) -> bool {
if let Some(suffixes) = suffixes {
if !suffixes.is_empty() {
if let Some(extension) = path.extension().map(|v| v.to_string_lossy().to_string()) {
return suffixes.contains(&extension);
}
return false;
}
}
true
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_parse_glob() {
assert_eq!(parse_glob("dir").unwrap(), ("dir".into(), vec![]));
assert_eq!(parse_glob("dir/**").unwrap(), ("dir".into(), vec![]));
assert_eq!(
parse_glob("dir/file.md").unwrap(),
("dir/file.md".into(), vec![])
);
assert_eq!(
parse_glob("dir/**/*.md").unwrap(),
("dir".into(), vec!["md".into()])
);
assert_eq!(
parse_glob("dir/**/*.{md,txt}").unwrap(),
("dir".into(), vec!["md".into(), "txt".into()])
);
assert_eq!(
parse_glob("C:\\dir\\**\\*.{md,txt}").unwrap(),
("C:\\dir".into(), vec!["md".into(), "txt".into()])
);
}
}
|
