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Add support for structure tree editing #33

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Merged
Elizavetaseluykovich merged 1 commit into from
Oct 7, 2026
Merged

Add support for structure tree editing #33

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25 changes: 25 additions & 0 deletions src/core/catalog.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1822,6 +1822,17 @@ class ExtendedCatalog extends Catalog {
}
}

const getStringProp = (dict, key) => {
if (!(dict instanceof Dict) || !dict.has(key)) {
return null;
}
const val = dict.get(key);
if (typeof val === "string") {
return stringToPDFString(val);
}
return null;
};

if (el instanceof Dict && el.has("K")) {
const name = el.has("S") ? el.get("S").name : null;
const roleName = this.getRoleName(el, name);
Expand All @@ -1832,6 +1843,13 @@ class ExtendedCatalog extends Catalog {
children: this.getTreeElement(el.get("K"), page, el.getRaw("K")),
pageIndex: page,
ref: ref instanceof Ref ? ref : null,
title: getStringProp(el, "T"),
lang: getStringProp(el, "Lang"),
alt: getStringProp(el, "Alt"),
actualText: getStringProp(el, "ActualText"),
expanded: getStringProp(el, "E"),
phoneticAlphabet: getStringProp(el, "PhoneticAlphabet"),
phoneme: getStringProp(el, "Phoneme"),
};

let alt = el.has("Alt") ? el.get("Alt") : null;
Expand Down Expand Up @@ -1918,6 +1936,13 @@ class ExtendedCatalog extends Catalog {
children: [],
pageIndex: page,
ref: ref instanceof Ref ? ref : null,
title: getStringProp(el, "T"),
lang: getStringProp(el, "Lang"),
alt: getStringProp(el, "Alt"),
actualText: getStringProp(el, "ActualText"),
expanded: getStringProp(el, "E"),
phoneticAlphabet: getStringProp(el, "PhoneticAlphabet"),
phoneme: getStringProp(el, "Phoneme"),
};

let alt = el.has("Alt") ? el.get("Alt") : null;
Expand Down
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