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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef PDF_DOCUMENT_METADATA_H_
#define PDF_DOCUMENT_METADATA_H_
#include <string>
#include "base/time/time.h"
namespace chrome_pdf {
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum class PdfVersion {
kUnknown = 0,
k1_0 = 1,
k1_1 = 2,
k1_2 = 3,
k1_3 = 4,
k1_4 = 5,
k1_5 = 6,
k1_6 = 7,
k1_7 = 8,
k1_8 = 9, // Not an actual version. Kept for metrics purposes.
k2_0 = 10,
kMaxValue = k2_0
};
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum class FormType {
kNone = 0,
kAcroForm = 1,
kXFAFull = 2,
kXFAForeground = 3,
kMaxValue = kXFAForeground
};
// Document properties, including those specified in the document information
// dictionary (see section 14.3.3 "Document Information Dictionary" of the ISO
// 32000-1:2008 spec).
struct DocumentMetadata {
DocumentMetadata();
DocumentMetadata(DocumentMetadata&&) noexcept;
DocumentMetadata& operator=(DocumentMetadata&& other) noexcept;
~DocumentMetadata();
// Version of the document.
PdfVersion version = PdfVersion::kUnknown;
// The size of the document in bytes.
size_t size_bytes = 0;
// Number of pages in the document.
size_t page_count = 0;
// Whether the document is optimized by linearization (see annex F "Linearized
// PDF" of the ISO 32000-1:2008 spec).
bool linearized = false;
// Whether the document contains file attachments (see section 12.5.6.15 "File
// Attachment Annotations" of the ISO 32000-1:2008 spec).
bool has_attachments = false;
// The type of form contained in the document.
FormType form_type = FormType::kNone;
// The document's title.
std::string title;
// The name of the document's creator.
std::string author;
// The document's subject.
std::string subject;
// The document's keywords.
std::string keywords;
// The name of the application that created the original document.
std::string creator;
// If the document's format was not originally PDF, the name of the
// application that converted the document to PDF.
std::string producer;
// The date and time the document was created.
base::Time creation_date;
// The date and time the document was most recently modified.
base::Time mod_date;
};
} // namespace chrome_pdf
#endif // PDF_DOCUMENT_METADATA_H_
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