chromium/third_party/pdfium/fpdfsdk/fpdf_dataavail.cpp

// Copyright 2014 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com

#include "public/fpdf_dataavail.h"

#include <memory>
#include <utility>

#include "core/fpdfapi/page/cpdf_docpagedata.h"
#include "core/fpdfapi/parser/cpdf_data_avail.h"
#include "core/fpdfapi/parser/cpdf_document.h"
#include "core/fpdfapi/render/cpdf_docrenderdata.h"
#include "core/fxcrt/fx_safe_types.h"
#include "core/fxcrt/fx_stream.h"
#include "core/fxcrt/numerics/safe_conversions.h"
#include "core/fxcrt/retain_ptr.h"
#include "core/fxcrt/unowned_ptr.h"
#include "core/fxcrt/unowned_ptr_exclusion.h"
#include "fpdfsdk/cpdfsdk_helpers.h"
#include "public/fpdf_formfill.h"

#ifdef PDF_ENABLE_XFA
#include "fpdfsdk/fpdfxfa/cpdfxfa_context.h"
#endif  // PDF_ENABLE_XFA

// These checks are here because core/ and public/ cannot depend on each other.
static_assert …;
static_assert …;
static_assert …;

static_assert …;
static_assert …;
static_assert …;

static_assert …;
static_assert …;
static_assert …;
static_assert …;

namespace {

class FPDF_FileAvailContext final : public CPDF_DataAvail::FileAvail { … };

class FPDF_FileAccessContext final : public IFX_SeekableReadStream { … };

class FPDF_DownloadHintsContext final : public CPDF_DataAvail::DownloadHints { … };

class FPDF_AvailContext { … };

FPDF_AvailContext* FPDFAvailContextFromFPDFAvail(FPDF_AVAIL avail) { … }

FPDF_AVAIL FPDFAvailFromFPDFAvailContext(FPDF_AvailContext* pAvailContext) { … }

}  // namespace

FPDF_EXPORT FPDF_AVAIL FPDF_CALLCONV FPDFAvail_Create(FX_FILEAVAIL* file_avail,
                                                      FPDF_FILEACCESS* file) { … }

FPDF_EXPORT void FPDF_CALLCONV FPDFAvail_Destroy(FPDF_AVAIL avail) { … }

FPDF_EXPORT int FPDF_CALLCONV FPDFAvail_IsDocAvail(FPDF_AVAIL avail,
                                                   FX_DOWNLOADHINTS* hints) { … }

FPDF_EXPORT FPDF_DOCUMENT FPDF_CALLCONV
FPDFAvail_GetDocument(FPDF_AVAIL avail, FPDF_BYTESTRING password) { … }

FPDF_EXPORT int FPDF_CALLCONV FPDFAvail_GetFirstPageNum(FPDF_DOCUMENT doc) { … }

FPDF_EXPORT int FPDF_CALLCONV FPDFAvail_IsPageAvail(FPDF_AVAIL avail,
                                                    int page_index,
                                                    FX_DOWNLOADHINTS* hints) { … }

FPDF_EXPORT int FPDF_CALLCONV FPDFAvail_IsFormAvail(FPDF_AVAIL avail,
                                                    FX_DOWNLOADHINTS* hints) { … }

FPDF_EXPORT int FPDF_CALLCONV FPDFAvail_IsLinearized(FPDF_AVAIL avail) { … }