Stop words

use stopwords.qweruse stopwords_list, stopwords_is from stopwords      // Quillo 0.6: only these

stop-words = "0.10"

// A search box that ignores "the", "a" and "of", and a word count of what is left.////   quillo run stopwords.qwe      then open http://localhost:8080/query?q=the%20history%20of%20the%20roman%20empireuse "stopwords.qwer"route GET /query ? { q: str, lang: str = "en" } = { terms: stopwords_remove(q, lang)? }route GET /french = { terms: stopwords_remove("Le petit prince et la rose de son astéroïde", "fr")?, is_stop: stopwords_is("Les", "fr")? }route GET /languages = { count: len(stopwords_languages()), english: len(stopwords_list("en")?) }

//! Stop words ("the", "and", "of"; "le", "et", "de") of 50+ languages, and text with them taken out, for search, keywords and tag clouds.//! version: 1.0.0//!//! [dependencies]//! stop-words = "0.10"use std::collections::HashSet;fn words(language: &str) -> Result<&'static [&'static str], String> {    let l = language.trim().to_lowercase();    stop_words::lookup(if l.is_empty() { "en" } else { &l }).ok_or_else(|| format!("no stop words for {:?}; see stopwords_languages()", language))}/// The stop words of `language`, a two-letter code ("en", "fr", "de", "es", "ja"...), in lower case.pub fn stopwords_list(language: &str) -> Result<Vec<String>, String> {    Ok(words(language)?.iter().map(|w| w.to_string()).collect())}/// Whether `word` is a stop word of `language`, case ignored.pub fn stopwords_is(word: &str, language: &str) -> Result<bool, String> {    Ok(words(language)?.contains(&word.trim().to_lowercase().as_str()))}/// The words of `text` that are not stop words, in order, as written: the text split at anything but letters, digits, `'` and `-`. Up to 1 MB.pub fn stopwords_remove(text: &str, language: &str) -> Result<Vec<String>, String> {    if text.len() > 1_000_000 {        return Err("text up to 1 MB".into());    }    let set: HashSet<&str> = words(language)?.iter().copied().collect();    Ok(text        .split(|c: char| !(c.is_alphanumeric() || c == '\'' || c == '’' || c == '-'))        .map(|w| w.trim_matches(|c: char| c == '\'' || c == '’' || c == '-'))        .filter(|w| !w.is_empty() && !set.contains(w.to_lowercase().as_str()))        .map(String::from)        .collect())}/// The languages there are, as codes.pub fn stopwords_languages() -> Vec<String> {    stop_words::available_languages().iter().map(|s| s.to_string()).collect()}