chromium/third_party/pdfium/core/fpdfapi/parser/cpdf_stream.cpp

// Copyright 2016 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 "core/fpdfapi/parser/cpdf_stream.h"

#include <stdint.h>

#include <sstream>
#include <utility>

#include "constants/stream_dict_common.h"
#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfapi/parser/cpdf_encryptor.h"
#include "core/fpdfapi/parser/cpdf_flateencoder.h"
#include "core/fpdfapi/parser/cpdf_number.h"
#include "core/fpdfapi/parser/cpdf_stream_acc.h"
#include "core/fpdfapi/parser/fpdf_parser_decode.h"
#include "core/fpdfapi/parser/fpdf_parser_utility.h"
#include "core/fxcrt/cfx_memorystream.h"
#include "core/fxcrt/check.h"
#include "core/fxcrt/containers/contains.h"
#include "core/fxcrt/data_vector.h"
#include "core/fxcrt/fx_stream.h"
#include "core/fxcrt/numerics/safe_conversions.h"
#include "core/fxcrt/span_util.h"

namespace {

bool IsMetaDataStreamDictionary(const CPDF_Dictionary* dict) { … }

}  // namespace

CPDF_Stream::CPDF_Stream(RetainPtr<CPDF_Dictionary> dict)
    : … { … }

CPDF_Stream::CPDF_Stream(pdfium::span<const uint8_t> span)
    : … { … }

CPDF_Stream::CPDF_Stream(fxcrt::ostringstream* stream)
    : … { … }

CPDF_Stream::CPDF_Stream(RetainPtr<IFX_SeekableReadStream> file,
                         RetainPtr<CPDF_Dictionary> dict)
    : … { … }

CPDF_Stream::CPDF_Stream(DataVector<uint8_t> data,
                         RetainPtr<CPDF_Dictionary> dict)
    : … { … }

CPDF_Stream::~CPDF_Stream() { … }

CPDF_Object::Type CPDF_Stream::GetType() const { … }

const CPDF_Dictionary* CPDF_Stream::GetDictInternal() const { … }

CPDF_Stream* CPDF_Stream::AsMutableStream() { … }

void CPDF_Stream::InitStreamFromFile(RetainPtr<IFX_SeekableReadStream> file) { … }

RetainPtr<CPDF_Object> CPDF_Stream::Clone() const { … }

RetainPtr<CPDF_Object> CPDF_Stream::CloneNonCyclic(
    bool bDirect,
    std::set<const CPDF_Object*>* pVisited) const { … }

void CPDF_Stream::SetDataAndRemoveFilter(pdfium::span<const uint8_t> pData) { … }

void CPDF_Stream::SetDataFromStringstreamAndRemoveFilter(
    fxcrt::ostringstream* stream) { … }

void CPDF_Stream::SetData(pdfium::span<const uint8_t> pData) { … }

void CPDF_Stream::TakeData(DataVector<uint8_t> data) { … }

void CPDF_Stream::SetDataFromStringstream(fxcrt::ostringstream* stream) { … }

DataVector<uint8_t> CPDF_Stream::ReadAllRawData() const { … }

bool CPDF_Stream::HasFilter() const { … }

WideString CPDF_Stream::GetUnicodeText() const { … }

bool CPDF_Stream::WriteTo(IFX_ArchiveStream* archive,
                          const CPDF_Encryptor* encryptor) const { … }

size_t CPDF_Stream::GetRawSize() const { … }

pdfium::span<const uint8_t> CPDF_Stream::GetInMemoryRawData() const { … }

void CPDF_Stream::SetLengthInDict(int length) { … }