Remove CFX_Deletable

core/fxcodec/codec/fx_codec_jbig.cpp

 // Copyright 2014 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/fxcodec/codec/ccodec_jbig2module.h"
 
 #include <list>
 
 #include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h"
+#include "core/fxcodec/include/JBig2_DocumentContext.h"
 #include "core/fxcodec/jbig2/JBig2_Context.h"
 #include "core/fxcodec/jbig2/JBig2_Image.h"
 #include "core/fxcrt/include/fx_memory.h"
 
-// Holds per-document JBig2 related data.
-class JBig2DocumentContext : public CFX_Deletable {
- public:
-  std::list<CJBig2_CachePair>* GetSymbolDictCache() {
-    return &m_SymbolDictCache;
-  }
+JBig2_DocumentContext::JBig2_DocumentContext() {}
 
-  ~JBig2DocumentContext() override {
-    for (auto it : m_SymbolDictCache) {
-      delete it.second;
-    }
-  }
+JBig2_DocumentContext::~JBig2_DocumentContext() {}
 
- private:
-  std::list<CJBig2_CachePair> m_SymbolDictCache;
-};
-
-JBig2DocumentContext* GetJBig2DocumentContext(
-    std::unique_ptr<CFX_Deletable>* pContextHolder) {
-  if (!pContextHolder->get())
-    pContextHolder->reset(new JBig2DocumentContext());
-  return static_cast<JBig2DocumentContext*>(pContextHolder->get());
+JBig2_DocumentContext* GetJBig2DocumentContext(
+    std::unique_ptr<JBig2_DocumentContext>* pContextHolder) {
+  if (!pContextHolder)
+    pContextHolder->reset(new JBig2_DocumentContext());
+  return pContextHolder->get();
 }
 
 CCodec_Jbig2Context::CCodec_Jbig2Context()
     : m_width(0),
       m_height(0),
       m_pGlobalStream(nullptr),
       m_pSrcStream(nullptr),
       m_dest_buf(0),
       m_dest_pitch(0),
       m_pPause(nullptr) {}
 
 CCodec_Jbig2Context::~CCodec_Jbig2Context() {}
 
 CCodec_Jbig2Module::~CCodec_Jbig2Module() {}
 
 FXCODEC_STATUS CCodec_Jbig2Module::StartDecode(
     CCodec_Jbig2Context* pJbig2Context,
-    std::unique_ptr<CFX_Deletable>* pContextHolder,
+    std::unique_ptr<JBig2_DocumentContext>* pContextHolder,
     uint32_t width,
     uint32_t height,
     CPDF_StreamAcc* src_stream,
     CPDF_StreamAcc* global_stream,
     uint8_t* dest_buf,
     uint32_t dest_pitch,
     IFX_Pause* pPause) {
   if (!pJbig2Context)
     return FXCODEC_STATUS_ERR_PARAMS;
 
-  JBig2DocumentContext* pJBig2DocumentContext =
+  JBig2_DocumentContext* pJBig2DocumentContext =
       GetJBig2DocumentContext(pContextHolder);
   pJbig2Context->m_width = width;
   pJbig2Context->m_height = height;
   pJbig2Context->m_pSrcStream = src_stream;
   pJbig2Context->m_pGlobalStream = global_stream;
   pJbig2Context->m_dest_buf = dest_buf;
   pJbig2Context->m_dest_pitch = dest_pitch;
   pJbig2Context->m_pPause = pPause;
   FXSYS_memset(dest_buf, 0, height * dest_pitch);
   pJbig2Context->m_pContext.reset(new CJBig2_Context(
@@ skipping 30 matching lines @@
   pJbig2Context->m_pContext.reset();
   if (ret != JBIG2_SUCCESS)
     return FXCODEC_STATUS_ERROR;
 
   int dword_size = pJbig2Context->m_height * pJbig2Context->m_dest_pitch / 4;
   uint32_t* dword_buf = (uint32_t*)pJbig2Context->m_dest_buf;
   for (int i = 0; i < dword_size; i++)
     dword_buf[i] = ~dword_buf[i];
   return FXCODEC_STATUS_DECODE_FINISH;
 }