Remove unused flags from CPDF_Creator

The only user of CPDF_Creator is FPDF_Doc_Save, and it only uses flags 1
or 2 when calling Create. Thus, the other two flags will never be set.

Change-Id: Ib2eb0ce5585469c7749f0ab350855f1c6a2bba08
Reviewed-on: https://pdfium-review.googlesource.com/5491
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Nicolás Peña <npm@chromium.org>

1 files changed, 0 insertions, 87 deletions

diff --git a/core/fpdfapi/edit/cpdf_objectstream.cpp b/core/fpdfapi/edit/cpdf_objectstream.cpp
deleted file mode 100644
index 208adacf47..0000000000
--- a/core/fpdfapi/edit/cpdf_objectstream.cpp
+++ /dev/null
@@ -1,87 +0,0 @@
-// Copyright 2017 PDFium Authors. All rights reserved.
-// 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/edit/cpdf_objectstream.h"
-
-#include "core/fpdfapi/edit/cpdf_creator.h"
-#include "core/fpdfapi/edit/cpdf_encryptor.h"
-#include "core/fpdfapi/edit/cpdf_flateencoder.h"
-#include "core/fpdfapi/parser/fpdf_parser_utility.h"
-
-namespace {
-
-const int kObjectStreamMaxLength = 256 * 1024;
-
-}  // namespace
-
-CPDF_ObjectStream::CPDF_ObjectStream() : m_dwObjNum(0), m_index(0) {}
-
-CPDF_ObjectStream::~CPDF_ObjectStream() {}
-
-bool CPDF_ObjectStream::IsNotFull() const {
-  return m_Buffer.GetLength() < kObjectStreamMaxLength;
-}
-
-void CPDF_ObjectStream::Start() {
-  m_Items.clear();
-  m_Buffer.Clear();
-  m_dwObjNum = 0;
-  m_index = 0;
-}
-
-void CPDF_ObjectStream::CompressIndirectObject(uint32_t dwObjNum,
-                                               const CPDF_Object* pObj) {
-  m_Items.push_back({dwObjNum, m_Buffer.GetLength()});
-  m_Buffer << pObj;
-}
-
-void CPDF_ObjectStream::CompressIndirectObject(uint32_t dwObjNum,
-                                               const uint8_t* pBuffer,
-                                               uint32_t dwSize) {
-  m_Items.push_back({dwObjNum, m_Buffer.GetLength()});
-  m_Buffer.AppendBlock(pBuffer, dwSize);
-}
-
-FX_FILESIZE CPDF_ObjectStream::End(CPDF_Creator* pCreator) {
-  ASSERT(pCreator);
-
-  if (m_Items.empty())
-    return 0;
-
-  IFX_ArchiveStream* archive = pCreator->GetArchive();
-  FX_FILESIZE ObjOffset = archive->CurrentOffset();
-  if (!m_dwObjNum)
-    m_dwObjNum = pCreator->GetNextObjectNumber();
-
-  CFX_ByteTextBuf tempBuffer;
-  for (const auto& pair : m_Items)
-    tempBuffer << pair.objnum << " " << pair.offset << " ";
-
-  if (!archive->WriteDWord(m_dwObjNum) ||
-      !archive->WriteString(" 0 obj\r\n<</Type /ObjStm /N ") ||
-      !archive->WriteDWord(pdfium::CollectionSize<uint32_t>(m_Items)) ||
-      !archive->WriteString("/First ") ||
-      !archive->WriteDWord(static_cast<uint32_t>(tempBuffer.GetLength())) ||
-      !archive->WriteString("/Length ")) {
-    return -1;
-  }
-  tempBuffer << m_Buffer;
-
-  CPDF_FlateEncoder encoder(tempBuffer.GetBuffer(), tempBuffer.GetLength(),
-                            true, false);
-  CPDF_Encryptor encryptor(pCreator->GetCryptoHandler(), m_dwObjNum,
-                           encoder.GetData(), encoder.GetSize());
-
-  if (!archive->WriteDWord(encryptor.GetSize()) ||
-      !archive->WriteString("/Filter /FlateDecode") ||
-      !archive->WriteString(">>stream\r\n") ||
-      !archive->WriteBlock(encryptor.GetData(), encryptor.GetSize()) ||
-      !archive->WriteString("\r\nendstream\r\nendobj\r\n")) {
-    return -1;
-  }
-
-  return ObjOffset;
-}