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Refactor
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6d16230f17
commit
d9e4db9983
@ -166,19 +166,12 @@ enum SimpleTokenKind {
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}
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}
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impl SimpleTokenKind {
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impl SimpleTokenKind {
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fn get(token: &&Token<'_>) -> Self {
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fn new(token: &&Token<'_>) -> Self {
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match token.kind {
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match token.kind {
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TokenKind::Separator(separaor_kind) => Self::Separator(separaor_kind),
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TokenKind::Separator(separaor_kind) => Self::Separator(separaor_kind),
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_ => Self::NotSeparator,
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_ => Self::NotSeparator,
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}
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}
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}
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}
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fn is_not_separator(&self) -> bool {
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match self {
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SimpleTokenKind::NotSeparator => true,
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SimpleTokenKind::Separator(_) => false,
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}
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}
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}
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}
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#[derive(PartialEq, PartialOrd)]
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#[derive(PartialEq, PartialOrd)]
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@ -259,9 +252,12 @@ impl MatchIntervalWithScore {
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// positions of the first and the last match of the best matches interval in `matches`.
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// positions of the first and the last match of the best matches interval in `matches`.
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let mut best_interval: Option<Self> = None;
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let mut best_interval: Option<Self> = None;
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let mut save_best_interval = |interval_first, interval_last, interval_score| {
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let mut save_best_interval = |interval_first, interval_last| {
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let interval_score = MatchIntervalScore::new(&matches[interval_first..=interval_last]);
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let is_interval_score_better =
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let is_interval_score_better =
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&best_interval.as_ref().map_or(true, |Self { score, .. }| interval_score > *score);
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&best_interval.as_ref().map_or(true, |Self { score, .. }| interval_score > *score);
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if *is_interval_score_better {
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if *is_interval_score_better {
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best_interval =
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best_interval =
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Some(Self { interval: (interval_first, interval_last), score: interval_score });
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Some(Self { interval: (interval_first, interval_last), score: interval_score });
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@ -286,11 +282,8 @@ impl MatchIntervalWithScore {
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// if index is 0 there is no last viable match
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// if index is 0 there is no last viable match
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if index != 0 {
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if index != 0 {
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let interval_last = index - 1;
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let interval_last = index - 1;
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let interval_score =
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MatchIntervalScore::new(&matches[interval_first..=interval_last]);
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// keep interval if it's the best
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// keep interval if it's the best
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save_best_interval(interval_first, interval_last, interval_score);
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save_best_interval(interval_first, interval_last);
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}
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}
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// advance start of the interval while interval is longer than crop_size.
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// advance start of the interval while interval is longer than crop_size.
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@ -314,8 +307,7 @@ impl MatchIntervalWithScore {
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// if it's the last match with itself, we need to make sure it's
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// if it's the last match with itself, we need to make sure it's
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// not a phrase longer than the crop window
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// not a phrase longer than the crop window
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if interval_first != interval_last || matches[interval_first].get_word_count() < crop_size {
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if interval_first != interval_last || matches[interval_first].get_word_count() < crop_size {
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let interval_score = MatchIntervalScore::new(&matches[interval_first..=interval_last]);
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save_best_interval(interval_first, interval_last);
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save_best_interval(interval_first, interval_last, interval_score);
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}
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}
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// if none of the matches fit the criteria above, default to the first one
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// if none of the matches fit the criteria above, default to the first one
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@ -359,6 +351,7 @@ impl<'t, 'tokenizer> Matcher<'t, 'tokenizer, '_, '_> {
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Some(MatchType::Full { ids, .. }) => {
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Some(MatchType::Full { ids, .. }) => {
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// save the token that closes the partial match as a match.
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// save the token that closes the partial match as a match.
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matches.push(Match {
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matches.push(Match {
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// @TODO: Shouldn't this be +1?
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match_len: word.char_end - *first_word_char_start,
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match_len: word.char_end - *first_word_char_start,
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ids: ids.clone().collect(),
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ids: ids.clone().collect(),
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position: MatchPosition::Phrase {
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position: MatchPosition::Phrase {
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@ -484,8 +477,8 @@ impl<'t, 'tokenizer> Matcher<'t, 'tokenizer, '_, '_> {
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// grows the crop window peeking in both directions
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// grows the crop window peeking in both directions
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// until the window contains the good number of words:
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// until the window contains the good number of words:
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while remaining_words > 0 {
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while remaining_words > 0 {
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let before_token_kind = before_tokens.peek().map(SimpleTokenKind::get);
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let before_token_kind = before_tokens.peek().map(SimpleTokenKind::new);
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let after_token_kind = after_tokens.peek().map(SimpleTokenKind::get);
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let after_token_kind = after_tokens.peek().map(SimpleTokenKind::new);
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match (before_token_kind, after_token_kind) {
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match (before_token_kind, after_token_kind) {
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// we can expand both sides.
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// we can expand both sides.
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@ -504,7 +497,8 @@ impl<'t, 'tokenizer> Matcher<'t, 'tokenizer, '_, '_> {
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if remaining_words > 1 {
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if remaining_words > 1 {
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after_tokens.next();
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after_tokens.next();
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}
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}
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} else if let SeparatorKind::Hard = before_token_separator_kind {
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} else if matches!(before_token_separator_kind, SeparatorKind::Hard)
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{
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after_tokens.next();
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after_tokens.next();
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} else {
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} else {
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before_tokens.next();
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before_tokens.next();
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@ -536,14 +530,14 @@ impl<'t, 'tokenizer> Matcher<'t, 'tokenizer, '_, '_> {
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// the end of the text is reached, advance left.
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// the end of the text is reached, advance left.
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(Some(before_token_kind), None) => {
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(Some(before_token_kind), None) => {
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before_tokens.next();
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before_tokens.next();
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if let SimpleTokenKind::NotSeparator = before_token_kind {
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if matches!(before_token_kind, SimpleTokenKind::NotSeparator) {
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remaining_words -= 1;
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remaining_words -= 1;
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}
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}
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}
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}
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// the start of the text is reached, advance right.
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// the start of the text is reached, advance right.
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(None, Some(after_token_kind)) => {
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(None, Some(after_token_kind)) => {
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after_tokens.next();
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after_tokens.next();
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if let SimpleTokenKind::NotSeparator = after_token_kind {
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if matches!(after_token_kind, SimpleTokenKind::NotSeparator) {
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remaining_words -= 1;
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remaining_words -= 1;
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}
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}
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}
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}
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@ -566,9 +560,9 @@ impl<'t, 'tokenizer> Matcher<'t, 'tokenizer, '_, '_> {
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while remaining_extra_words > 0 {
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while remaining_extra_words > 0 {
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let token_from_end_kind = tokens_from_end
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let token_from_end_kind = tokens_from_end
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.peek()
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.peek()
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.map(SimpleTokenKind::get)
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.map(SimpleTokenKind::new)
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.expect("Expected iterator to not reach end");
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.expect("Expected iterator to not reach end");
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if token_from_end_kind.is_not_separator() {
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if matches!(token_from_end_kind, SimpleTokenKind::NotSeparator) {
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remaining_extra_words -= 1;
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remaining_extra_words -= 1;
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}
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}
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