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Merge pull request #10556 from Snuffleupagus/documentInfo-collection

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[api-minor] Expose the existence of a `Collection` dictionary via the  `getMetadata` API method (issue 10555)
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Tim van der Meij 2019-02-16 19:26:44 +01:00 committed by GitHub
commit 50afff9918
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2 changed files with 17 additions and 2 deletions
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17
src/core/document.js
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@ -401,8 +401,7 @@ class PDFDocument {
if (this.acroForm) { if (this.acroForm) {
this.xfa = this.acroForm.get('XFA'); this.xfa = this.acroForm.get('XFA');
const fields = this.acroForm.get('Fields'); const fields = this.acroForm.get('Fields');
if ((!fields || !Array.isArray(fields) || fields.length === 0) && if ((!Array.isArray(fields) || fields.length === 0) && !this.xfa) {
!this.xfa) {
this.acroForm = null; // No fields and no XFA, so it's not a form. this.acroForm = null; // No fields and no XFA, so it's not a form.
} }
} }
@ -413,6 +412,19 @@ class PDFDocument {
info('Cannot fetch AcroForm entry; assuming no AcroForms are present'); info('Cannot fetch AcroForm entry; assuming no AcroForms are present');
this.acroForm = null; this.acroForm = null;
} }
// Check if a Collection dictionary is present in the document.
try {
const collection = this.catalog.catDict.get('Collection');
if (isDict(collection) && collection.getKeys().length > 0) {
this.collection = collection;
}
} catch (ex) {
if (ex instanceof MissingDataException) {
throw ex;
}
info('Cannot fetch Collection dictionary.');
}
} }
get linearization() { get linearization() {
@ -534,6 +546,7 @@ class PDFDocument {
IsLinearized: !!this.linearization, IsLinearized: !!this.linearization,
IsAcroFormPresent: !!this.acroForm, IsAcroFormPresent: !!this.acroForm,
IsXFAPresent: !!this.xfa, IsXFAPresent: !!this.xfa,
IsCollectionPresent: !!this.collection,
}; };
let infoDict; let infoDict;

2
test/unit/api_spec.js
View File

@ -846,6 +846,7 @@ describe('api', function() {
expect(info['IsLinearized']).toEqual(false); expect(info['IsLinearized']).toEqual(false);
expect(info['IsAcroFormPresent']).toEqual(false); expect(info['IsAcroFormPresent']).toEqual(false);
expect(info['IsXFAPresent']).toEqual(false); expect(info['IsXFAPresent']).toEqual(false);
expect(info['IsCollectionPresent']).toEqual(false);
expect(metadata instanceof Metadata).toEqual(true); expect(metadata instanceof Metadata).toEqual(true);
expect(metadata.get('dc:title')).toEqual('Basic API Test'); expect(metadata.get('dc:title')).toEqual('Basic API Test');
@ -874,6 +875,7 @@ describe('api', function() {
expect(info['IsLinearized']).toEqual(false); expect(info['IsLinearized']).toEqual(false);
expect(info['IsAcroFormPresent']).toEqual(false); expect(info['IsAcroFormPresent']).toEqual(false);
expect(info['IsXFAPresent']).toEqual(false); expect(info['IsXFAPresent']).toEqual(false);
expect(info['IsCollectionPresent']).toEqual(false);
expect(metadata).toEqual(null); expect(metadata).toEqual(null);
expect(contentDispositionFilename).toEqual(null); expect(contentDispositionFilename).toEqual(null);