Adding Porter stemmer #19
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| ("relate", "relat"), | ||
| ("pirate", "pirat"), | ||
| ("necessitate", "necessit"), | ||
| ("you", "you"), |
| "ent", "ou", "ism", "ate", "iti", "ous", "ive", "ize" | ||
| ]; | ||
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| fn double_consonant(word: &str, exceptions: Option<&str>) -> bool { |
src/stemmers/en/porter.rs
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| }; | ||
| } | ||
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| static STEP3: Steps<7> = [ |
src/stemmers/en/porter.rs
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| static ref STEP1A1: Regex = Regex::new(r"^(.+?)(ss|i)es$").unwrap(); | ||
| static ref STEP1A2: Regex = Regex::new(r"^(.+?)([^s])s$").unwrap(); | ||
| static ref STEP1B1: Regex = Regex::new(r"^(.+?)eed$").unwrap(); | ||
| static ref STEP1B2: Regex = Regex::new(r"(ed|ing)$").unwrap(); |
src/stemmers/en/porter.rs
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| } | ||
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| // Step 1a | ||
| if STEP1A1.find(&word).is_some() { |
src/stemmers/en/porter.rs
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| // Step 1b | ||
| if STEP1B1.find(&word).is_some() { | ||
| let stem = word[..word.len() - 1].to_string(); | ||
| if compute_m(&stem) > 0{ |
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compute_m(&word[..word.len() - 1])
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.chars().last().unwrap().len()
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