diff options
| -rw-r--r-- | src/string_utils.rs | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/string_utils.rs b/src/string_utils.rs index 2061110..cceb575 100644 --- a/src/string_utils.rs +++ b/src/string_utils.rs @@ -66,11 +66,19 @@ impl From<&str> for Name { // Turn a string into a tidy URL slug. pub fn to_slug(text: &str) -> String { - text.to_ascii_lowercase().chars().filter_map(|c| - if c.is_alphanumeric() || "-_~.+/#".contains(c) { Some(c) } - else if c == ' ' { Some('-') } - else { None } ) - .collect() + let mut string = String::new(); + let mut prev = ' '; + for c in text.to_lowercase().chars() { + let c = match c == ' ' { + true => '-', + false => c, + }; + if c.is_alphanumeric() { string.push(c) } + if "_~.+/#".contains(c) { string.push(c) } + if c == '-' && prev != '-' { string.push(c) } + prev = c; + } + return string; } // Prevent link hrefs from breaking out of quotations. |