Replace discrete array with a map.

There is one use of the discrete array, GFGAS_GEFont. This CL replaces
that usage with a std::map and removes the fgas_util classes.

Change-Id: Ic45812168e9487ebac08abaa131c58080a949d69
Reviewed-on: https://pdfium-review.googlesource.com/2953
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

2 files changed, 0 insertions, 119 deletions

diff --git a/xfa/fgas/crt/fgas_utils.cpp b/xfa/fgas/crt/fgas_utils.cpp
deleted file mode 100644
index 5b7c72f6a4..0000000000
--- a/xfa/fgas/crt/fgas_utils.cpp
+++ /dev/null
@@ -1,77 +0,0 @@
-// 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 "xfa/fgas/crt/fgas_utils.h"
-
-#include <algorithm>
-
-#include "core/fxcrt/fx_basic.h"
-
-struct FX_BASEDISCRETEARRAYDATA {
-  int32_t iBlockSize;
-  int32_t iChunkSize;
-  int32_t iChunkCount;
-  CFX_ArrayTemplate<uint8_t*> ChunkBuffer;
-};
-
-CFX_BaseDiscreteArray::CFX_BaseDiscreteArray(int32_t iChunkSize,
-                                             int32_t iBlockSize) {
-  ASSERT(iChunkSize > 0 && iBlockSize > 0);
-  FX_BASEDISCRETEARRAYDATA* pData = new FX_BASEDISCRETEARRAYDATA;
-  m_pData = pData;
-  pData->ChunkBuffer.SetSize(16);
-  pData->iChunkCount = 0;
-  pData->iChunkSize = iChunkSize;
-  pData->iBlockSize = iBlockSize;
-}
-CFX_BaseDiscreteArray::~CFX_BaseDiscreteArray() {
-  RemoveAll();
-  delete static_cast<FX_BASEDISCRETEARRAYDATA*>(m_pData);
-}
-uint8_t* CFX_BaseDiscreteArray::AddSpaceTo(int32_t index) {
-  ASSERT(index > -1);
-  FX_BASEDISCRETEARRAYDATA* pData = (FX_BASEDISCRETEARRAYDATA*)m_pData;
-  int32_t& iChunkCount = pData->iChunkCount;
-  int32_t iChunkSize = pData->iChunkSize;
-  uint8_t* pChunk = nullptr;
-  int32_t iChunk = index / iChunkSize;
-  if (iChunk < iChunkCount) {
-    pChunk = pData->ChunkBuffer.GetAt(iChunk);
-  }
-  if (!pChunk) {
-    pChunk = FX_Alloc2D(uint8_t, iChunkSize, pData->iBlockSize);
-    FXSYS_memset(pChunk, 0, iChunkSize * pData->iBlockSize);
-    pData->ChunkBuffer.SetAtGrow(iChunk, pChunk);
-    if (iChunkCount <= iChunk) {
-      iChunkCount = iChunk + 1;
-    }
-  }
-  return pChunk + (index % iChunkSize) * pData->iBlockSize;
-}
-uint8_t* CFX_BaseDiscreteArray::GetAt(int32_t index) const {
-  ASSERT(index >= 0);
-  FX_BASEDISCRETEARRAYDATA* pData = (FX_BASEDISCRETEARRAYDATA*)m_pData;
-  int32_t iChunkSize = pData->iChunkSize;
-  int32_t iChunk = index / iChunkSize;
-  if (iChunk >= pData->iChunkCount)
-    return nullptr;
-
-  uint8_t* pChunk = pData->ChunkBuffer.GetAt(iChunk);
-  if (!pChunk)
-    return nullptr;
-
-  return pChunk + (index % iChunkSize) * pData->iBlockSize;
-}
-void CFX_BaseDiscreteArray::RemoveAll() {
-  FX_BASEDISCRETEARRAYDATA* pData = (FX_BASEDISCRETEARRAYDATA*)m_pData;
-  CFX_ArrayTemplate<uint8_t*>& ChunkBuffer = pData->ChunkBuffer;
-  int32_t& iChunkCount = pData->iChunkCount;
-  for (int32_t i = 0; i < iChunkCount; i++)
-    FX_Free(ChunkBuffer.GetAt(i));
-
-  ChunkBuffer.RemoveAll();
-  iChunkCount = 0;
-}
diff --git a/xfa/fgas/crt/fgas_utils.h b/xfa/fgas/crt/fgas_utils.h
deleted file mode 100644
index 85f5e47310..0000000000
--- a/xfa/fgas/crt/fgas_utils.h
+++ /dev/null
@@ -1,42 +0,0 @@
-// 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
-
-#ifndef XFA_FGAS_CRT_FGAS_UTILS_H_
-#define XFA_FGAS_CRT_FGAS_UTILS_H_
-
-#include "core/fxcrt/fx_coordinates.h"
-
-class CFX_BaseDiscreteArray {
- protected:
-  CFX_BaseDiscreteArray(int32_t iChunkSize, int32_t iBlockSize);
-  ~CFX_BaseDiscreteArray();
-
-  uint8_t* AddSpaceTo(int32_t index);
-  uint8_t* GetAt(int32_t index) const;
-  void RemoveAll();
-  void* m_pData;
-};
-
-template <class baseType>
-class CFX_DiscreteArrayTemplate : public CFX_BaseDiscreteArray {
- public:
-  explicit CFX_DiscreteArrayTemplate(int32_t iChunkSize)
-      : CFX_BaseDiscreteArray(iChunkSize, sizeof(baseType)) {}
-
-  baseType& GetAt(int32_t index, const baseType& defValue) const {
-    baseType* p = (baseType*)CFX_BaseDiscreteArray::GetAt(index);
-    return p ? *p : (baseType&)defValue;
-  }
-  baseType* GetPtrAt(int32_t index) const {
-    return (baseType*)CFX_BaseDiscreteArray::GetAt(index);
-  }
-  void SetAtGrow(int32_t index, const baseType& element) {
-    *(baseType*)CFX_BaseDiscreteArray::AddSpaceTo(index) = element;
-  }
-  void RemoveAll() { CFX_BaseDiscreteArray::RemoveAll(); }
-};
-
-#endif  // XFA_FGAS_CRT_FGAS_UTILS_H_