2023-06-10 22:30:36 +00:00
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use std::{error::Error, ops::Range};
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2023-06-15 20:13:12 +00:00
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use unicode_segmentation::UnicodeSegmentation;
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2023-06-10 22:30:36 +00:00
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pub fn validate_optional_length<E: Error>(
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opt: &Option<String>,
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len_range: Range<usize>,
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err: E,
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) -> Result<Option<String>, E> {
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if let Some(opt) = opt {
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let opt = opt.trim();
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2023-06-15 20:13:12 +00:00
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let len = opt.graphemes(true).size_hint().1.unwrap();
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if !len_range.contains(&len) {
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2023-06-10 22:30:36 +00:00
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Err(err)
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} else {
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Ok(Some(opt.to_string()))
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}
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} else {
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Ok(None)
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}
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2023-05-29 00:55:16 +00:00
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}
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