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Enable search for texts based on line-level ALTO annotations #47

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Enable search for texts based on line-level ALTO annotations #47

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8 changes: 7 additions & 1 deletion src/builder/Digitized.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -115,7 +115,13 @@ export async function getAnnotationPage(item: RootItem, text: Text): Promise<Ann
const resource = Resource.createTextResource(word.content, text.language);
const annotation = new Annotation(annoUri(item.id, childItem.id, word.idx), resource, 'supplementing');

annotation.setTextGranularity('word');
if (word.content.split(/\s+/).filter(w => w.length > 0).length > 1){

annotation.setTextGranularity('line');
}else{
annotation.setTextGranularity('word');
}

annotation.setCanvas(canvas, {x: word.x, y: word.y, w: word.width, h: word.height});

annotations.push(annotation);
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15 changes: 13 additions & 2 deletions src/search/search.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -138,10 +138,21 @@ function mapMatches(text: Text, hl: string, matchExact: string | null): SearchRe
.split(/[\t\r\n\s]+/)
.filter(token => token.length > 0);

let id = 0;
const extractedWords: TextWord[] = [];
for (const word of words) {
const splitAttempt = word.content.split(/\s+/).filter(w => w.length > 0);
if (splitAttempt.length > 1) {
extractedWords.push(...splitAttempt.map(w => <TextWord>{ ...word, idx: id++, content: w, isHyphenated: false }));
} else {
extractedWords.push(<TextWord>{ ...word, idx: id++ });
}
}

let tokenIdx = 0, wordIdx = 0, curMatch: SearchResultMatch | null = null;
while (tokenIdx < tokens.length) {
const token = tokens[tokenIdx];
const word = wordIdx < words.length ? words[wordIdx] : null;
const word = wordIdx < extractedWords.length ? extractedWords[wordIdx] : null;

if (token.startsWith(PRE_TAG)) {
if (curMatch == null)
Expand All @@ -159,7 +170,7 @@ function mapMatches(text: Text, hl: string, matchExact: string | null): SearchRe

if (word?.isHyphenated) {
wordIdx++;
curMatch?.words.push(words[wordIdx]);
curMatch?.words.push(extractedWords[wordIdx]);
}

if (curMatch && (!matchExact || matchExact === curMatch.match)) {
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