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Merge pull request #19768 from Snuffleupagus/writer-infoMap

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Pass the /Info-strings as a `Map` to the `src/core/writer.js` code
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Jonas Jenwald 2025-04-04 20:53:55 +02:00 • committed by GitHub
commit a6934a4dd5
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3 changed files with 8 additions and 8 deletions
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6
src/core/worker.js
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@ -674,12 +674,12 @@ class WorkerMessageHandler {
let newXrefInfo = Object.create(null);
if (xref.trailer) {
// Get string info from Info in order to compute fileId.
const infoObj = Object.create(null);
const infoMap = new Map();
const xrefInfo = xref.trailer.get("Info") || null;
if (xrefInfo instanceof Dict) {
for (const [key, value] of xrefInfo) {
if (typeof value === "string") {
infoObj[key] = stringToPDFString(value);
infoMap.set(key, stringToPDFString(value));
}
}
}
@ -689,7 +689,7 @@ class WorkerMessageHandler {
encryptRef: xref.trailer.getRaw("Encrypt") || null,
newRef: xref.getNewTemporaryRef(),
infoRef: xref.trailer.getRaw("Info") || null,
info: infoObj,
infoMap,
fileIds: xref.trailer.get("ID") || null,
startXRef: linearization
? startXRef

2
src/core/writer.js
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@ -182,7 +182,7 @@ function computeMD5(filesize, xrefInfo) {
time.toString(),
filename,
filesize.toString(),
...Object.values(xrefInfo.info),
...xrefInfo.infoMap.values(),
];
const md5BufferLen = Math.sumPrecise(md5Buffer.map(str => str.length));

8
test/unit/writer_spec.js
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@ -42,7 +42,7 @@ describe("Writer", function () {
infoRef: null,
encryptRef: null,
filename: "foo.pdf",
info: {},
infoMap: new Map(),
};
let data = await incrementalUpdate({
@ -111,7 +111,7 @@ describe("Writer", function () {
infoRef: null,
encryptRef: null,
filename: "foo.pdf",
info: {},
infoMap: new Map(),
};
let data = await incrementalUpdate({
@ -218,7 +218,7 @@ describe("Writer", function () {
infoRef: null,
encryptRef: null,
filename: "foo.pdf",
info: {},
infoMap: new Map(),
};
let data = await incrementalUpdate({
@ -272,7 +272,7 @@ describe("Writer", function () {
infoRef: null,
encryptRef: null,
filename: "foo.pdf",
info: {},
infoMap: new Map(),
};
let data = await incrementalUpdate({