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Rethrow MissingDataException when needed

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In core/document.js: `PDFDocument.prototype.parse` accesses a dictionary
property, which could throw if the underlying data is not yet available.

In core/obj.js: `get Catalog.prototype.metadata` calls
`stream.getBytes`, which can throw MissingDataException too when the
stream is a ChunkedStream.
This commit is contained in:
Rob Wu 2017-03-22 14:55:59 +01:00
parent 086021b21e
commit 49af56f730
2 changed files with 6 additions and 0 deletions
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3
src/core/document.js
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@ -467,6 +467,9 @@ var PDFDocument = (function PDFDocumentClosure() {
}
}
} catch (ex) {
if (ex instanceof MissingDataException) {
throw ex;
}
info('Something wrong with AcroForm entry');
this.acroForm = null;
}

3
src/core/obj.js
View file

@ -104,6 +104,9 @@ var Catalog = (function CatalogClosure() {
try {
metadata = stringToUTF8String(bytesToString(stream.getBytes()));
} catch (e) {
if (e instanceof MissingDataException) {
throw e;
}
info('Skipping invalid metadata.');
}
}