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[api-minor] Change the dc:subject Metadata field to an Array

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This patch simply extends the existing handling of the `dc:creator` field, which should hopefully suffice here; please refer to https://wwwimages2.adobe.com/content/dam/acom/en/devnet/xmp/pdfs/XMP%20SDK%20Release%20cc-2016-08/XMPSpecificationPart1.pdf#page=34
This commit is contained in:
Jonas Jenwald 2021-02-14 16:24:01 +01:00
parent f892c00275
commit b26c7974fe
2 changed files with 14 additions and 17 deletions
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29
src/display/metadata.js
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@ -89,23 +89,18 @@ class Metadata {
return entry.childNodes.filter(node => node.nodeName === "rdf:li");
}
_getCreators(entry) {
if (entry.nodeName !== "dc:creator") {
return false;
}
_parseArray(entry) {
if (!entry.hasChildNodes()) {
return true;
return;
}
// Child must be a Bag (unordered array) or a Seq.
const seqNode = entry.childNodes[0];
const authors = this._getSequence(seqNode) || [];
const [seqNode] = entry.childNodes;
const sequence = this._getSequence(seqNode) || [];
this._metadataMap.set(
entry.nodeName,
authors.map(node => node.textContent.trim())
sequence.map(node => node.textContent.trim())
);
return true;
}
_parse(xmlDocument) {
@ -130,11 +125,13 @@ class Metadata {
for (const entry of desc.childNodes) {
const name = entry.nodeName;
if (name === "#text") {
continue;
}
if (this._getCreators(entry)) {
continue;
switch (name) {
case "#text":
continue;
case "dc:creator":
case "dc:subject":
this._parseArray(entry);
continue;
}
this._metadataMap.set(name, entry.textContent.trim());
}