chromium/third_party/skia/src/pdf/SkPDFMetadata.cpp

/*
 * Copyright 2015 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "src/pdf/SkPDFMetadata.h"

#include "include/core/SkStream.h"
#include "include/core/SkString.h"
#include "include/docs/SkPDFDocument.h"
#include "include/private/base/SkAssert.h"
#include "include/private/base/SkTemplates.h"
#include "include/private/base/SkTo.h"
#include "src/base/SkTime.h"
#include "src/base/SkUtils.h"
#include "src/core/SkMD5.h"
#include "src/pdf/SkPDFTypes.h"
#include "src/pdf/SkPDFUtils.h"

#include <cstdint>
#include <cstring>
#include <utility>
class SkPDFDocument;

static constexpr SkPDF::DateTime kZeroTime = …;

static bool operator!=(const SkPDF::DateTime& u, const SkPDF::DateTime& v) { … }

static SkString pdf_date(const SkPDF::DateTime& dt) { … }

namespace {
static const struct { … } gMetadataKeys[] = …;
}  // namespace

std::unique_ptr<SkPDFObject> SkPDFMetadata::MakeDocumentInformationDict(
        const SkPDF::Metadata& metadata) { … }

SkUUID SkPDFMetadata::CreateUUID(const SkPDF::Metadata& metadata) { … }

std::unique_ptr<SkPDFObject> SkPDFMetadata::MakePdfId(const SkUUID& doc, const SkUUID& instance) { … }

// Convert a block of memory to hexadecimal.  Input and output pointers will be
// moved to end of the range.
static void hexify(const uint8_t** inputPtr, char** outputPtr, int count) { … }

static SkString uuid_to_string(const SkUUID& uuid) { … }

namespace {
class PDFXMLObject final : public SkPDFObject { … };
}  // namespace

static int count_xml_escape_size(const SkString& input) { … }

SkString escape_xml(const SkString& input,
                    const char* before = nullptr,
                    const char* after = nullptr) { … }

SkPDFIndirectReference SkPDFMetadata::MakeXMPObject(
        const SkPDF::Metadata& metadata,
        const SkUUID& doc,
        const SkUUID& instance,
        SkPDFDocument* docPtr) { … }

#undef SKPDF_CUSTOM_PRODUCER_KEY
#undef SKPDF_PRODUCER
#undef SKPDF_STRING
#undef SKPDF_STRING_IMPL