90 lines
3 KiB
Rust
90 lines
3 KiB
Rust
use serde_derive::{Deserialize, Serialize};
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#[derive(Copy, Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
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#[serde(rename_all = "lowercase")]
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pub enum SlugifyStrategy {
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/// Classic slugification, the default
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On,
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/// No slugification, only remove unsafe characters for filepaths/urls
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Safe,
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/// Nothing is changed, hope for the best!
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Off,
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}
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fn strip_chars(s: &str, chars: &str) -> String {
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let mut sanitized_string = s.to_string();
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sanitized_string.retain(|c| !chars.contains(c));
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sanitized_string
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}
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fn strip_invalid_paths_chars(s: &str) -> String {
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// NTFS forbidden characters : https://gist.github.com/doctaphred/d01d05291546186941e1b7ddc02034d3
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// Also we need to trim whitespaces and `.` from the end of filename
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let trimmed = s.trim_end_matches(|c| c == ' ' || c == '.');
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strip_chars(&trimmed, r#"<>:"/\|?*"#)
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}
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pub fn slugify_paths(s: &str, strategy: SlugifyStrategy) -> String {
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match strategy {
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SlugifyStrategy::On => slug::slugify(s),
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SlugifyStrategy::Safe => strip_invalid_paths_chars(s),
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SlugifyStrategy::Off => s.to_string(),
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}
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}
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pub fn slugify_anchors(s: &str, strategy: SlugifyStrategy) -> String {
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match strategy {
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SlugifyStrategy::On => slug::slugify(s),
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SlugifyStrategy::Safe | SlugifyStrategy::Off => {
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s.replace(|c: char| c.is_ascii_whitespace(), "_")
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn can_slugify_paths() {
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let tests = vec![
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// input, (on, safe, off)
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("input", ("input", "input", "input")),
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("test ", ("test", "test", "test ")),
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("tes t", ("tes-t", "tes t", "tes t")),
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// Invalid NTFS
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("dot. ", ("dot", "dot", "dot. ")),
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("日本", ("ri-ben", "日本", "日本")),
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("héhé", ("hehe", "héhé", "héhé")),
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("test (hey)", ("test-hey", "test (hey)", "test (hey)")),
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];
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for (input, (on, safe, off)) in tests {
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assert_eq!(on, slugify_paths(input, SlugifyStrategy::On));
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assert_eq!(safe, slugify_paths(input, SlugifyStrategy::Safe));
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assert_eq!(off, slugify_paths(input, SlugifyStrategy::Off));
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}
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}
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#[test]
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fn can_slugify_anchors() {
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let tests = vec![
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// input, (on, safe, off)
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("input", ("input", "input", "input")),
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("test ", ("test", "test_", "test_")),
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("tes t", ("tes-t", "tes_t", "tes_t")),
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// Invalid NTFS
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("dot. ", ("dot", "dot._", "dot._")),
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("日本", ("ri-ben", "日本", "日本")),
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("héhé", ("hehe", "héhé", "héhé")),
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("test (hey)", ("test-hey", "test_(hey)", "test_(hey)")),
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];
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for (input, (on, safe, off)) in tests {
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assert_eq!(on, slugify_anchors(input, SlugifyStrategy::On));
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assert_eq!(safe, slugify_anchors(input, SlugifyStrategy::Safe));
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assert_eq!(off, slugify_anchors(input, SlugifyStrategy::Off));
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}
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}
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}
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