Move core/src/ up to core/.

core/src/fxcrt/fx_basic_array.cpp

Index: core/src/fxcrt/fx_basic_array.cpp
diff --git a/core/src/fxcrt/fx_basic_array.cpp b/core/src/fxcrt/fx_basic_array.cpp
deleted file mode 100644
index 18e2bd26d24856c0b2902329dba432045736f306..0000000000000000000000000000000000000000
--- a/core/src/fxcrt/fx_basic_array.cpp
+++ /dev/null
@@ -1,342 +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 "core/include/fxcrt/fx_basic.h"
-#include "third_party/base/numerics/safe_math.h"
-
-CFX_BasicArray::CFX_BasicArray(int unit_size)
-    : m_pData(NULL), m_nSize(0), m_nMaxSize(0) {
-  if (unit_size < 0 || unit_size > (1 << 28)) {
-    m_nUnitSize = 4;
-  } else {
-    m_nUnitSize = unit_size;
-  }
-}
-CFX_BasicArray::~CFX_BasicArray() {
-  FX_Free(m_pData);
-}
-FX_BOOL CFX_BasicArray::SetSize(int nNewSize) {
-  if (nNewSize <= 0) {
-    FX_Free(m_pData);
-    m_pData = NULL;
-    m_nSize = m_nMaxSize = 0;
-    return 0 == nNewSize;
-  }
-
-  if (!m_pData) {
-    pdfium::base::CheckedNumeric<int> totalSize = nNewSize;
-    totalSize *= m_nUnitSize;
-    if (!totalSize.IsValid()) {
-      m_nSize = m_nMaxSize = 0;
-      return FALSE;
-    }
-    m_pData = FX_Alloc(uint8_t, totalSize.ValueOrDie());
-    m_nSize = m_nMaxSize = nNewSize;
-  } else if (nNewSize <= m_nMaxSize) {
-    if (nNewSize > m_nSize) {
-      FXSYS_memset(m_pData + m_nSize * m_nUnitSize, 0,
-                   (nNewSize - m_nSize) * m_nUnitSize);
-    }
-    m_nSize = nNewSize;
-  } else {
-    int nNewMax = nNewSize < m_nMaxSize ? m_nMaxSize : nNewSize;
-    pdfium::base::CheckedNumeric<int> totalSize = nNewMax;
-    totalSize *= m_nUnitSize;
-    if (!totalSize.IsValid() || nNewMax < m_nSize) {
-      return FALSE;
-    }
-    uint8_t* pNewData = FX_Realloc(uint8_t, m_pData, totalSize.ValueOrDie());
-    if (!pNewData) {
-      return FALSE;
-    }
-    FXSYS_memset(pNewData + m_nSize * m_nUnitSize, 0,
-                 (nNewMax - m_nSize) * m_nUnitSize);
-    m_pData = pNewData;
-    m_nSize = nNewSize;
-    m_nMaxSize = nNewMax;
-  }
-  return TRUE;
-}
-FX_BOOL CFX_BasicArray::Append(const CFX_BasicArray& src) {
-  int nOldSize = m_nSize;
-  pdfium::base::CheckedNumeric<int> newSize = m_nSize;
-  newSize += src.m_nSize;
-  if (m_nUnitSize != src.m_nUnitSize || !newSize.IsValid() ||
-      !SetSize(newSize.ValueOrDie())) {
-    return FALSE;
-  }
-
-  FXSYS_memcpy(m_pData + nOldSize * m_nUnitSize, src.m_pData,
-               src.m_nSize * m_nUnitSize);
-  return TRUE;
-}
-FX_BOOL CFX_BasicArray::Copy(const CFX_BasicArray& src) {
-  if (!SetSize(src.m_nSize)) {
-    return FALSE;
-  }
-  FXSYS_memcpy(m_pData, src.m_pData, src.m_nSize * m_nUnitSize);
-  return TRUE;
-}
-uint8_t* CFX_BasicArray::InsertSpaceAt(int nIndex, int nCount) {
-  if (nIndex < 0 || nCount <= 0) {
-    return NULL;
-  }
-  if (nIndex >= m_nSize) {
-    if (!SetSize(nIndex + nCount)) {
-      return NULL;
-    }
-  } else {
-    int nOldSize = m_nSize;
-    if (!SetSize(m_nSize + nCount)) {
-      return NULL;
-    }
-    FXSYS_memmove(m_pData + (nIndex + nCount) * m_nUnitSize,
-                  m_pData + nIndex * m_nUnitSize,
-                  (nOldSize - nIndex) * m_nUnitSize);
-    FXSYS_memset(m_pData + nIndex * m_nUnitSize, 0, nCount * m_nUnitSize);
-  }
-  return m_pData + nIndex * m_nUnitSize;
-}
-FX_BOOL CFX_BasicArray::RemoveAt(int nIndex, int nCount) {
-  if (nIndex < 0 || nCount <= 0 || m_nSize < nIndex + nCount) {
-    return FALSE;
-  }
-  int nMoveCount = m_nSize - (nIndex + nCount);
-  if (nMoveCount) {
-    FXSYS_memmove(m_pData + nIndex * m_nUnitSize,
-                  m_pData + (nIndex + nCount) * m_nUnitSize,
-                  nMoveCount * m_nUnitSize);
-  }
-  m_nSize -= nCount;
-  return TRUE;
-}
-FX_BOOL CFX_BasicArray::InsertAt(int nStartIndex,
-                                 const CFX_BasicArray* pNewArray) {
-  if (!pNewArray) {
-    return FALSE;
-  }
-  if (pNewArray->m_nSize == 0) {
-    return TRUE;
-  }
-  if (!InsertSpaceAt(nStartIndex, pNewArray->m_nSize)) {
-    return FALSE;
-  }
-  FXSYS_memcpy(m_pData + nStartIndex * m_nUnitSize, pNewArray->m_pData,
-               pNewArray->m_nSize * m_nUnitSize);
-  return TRUE;
-}
-const void* CFX_BasicArray::GetDataPtr(int index) const {
-  if (index < 0 || index >= m_nSize || !m_pData) {
-    return NULL;
-  }
-  return m_pData + index * m_nUnitSize;
-}
-#ifdef PDF_ENABLE_XFA
-CFX_BaseSegmentedArray::CFX_BaseSegmentedArray(int unit_size,
-                                               int segment_units,
-                                               int index_size)
-    : m_UnitSize(unit_size),
-      m_SegmentSize(segment_units),
-      m_IndexSize(index_size),
-      m_IndexDepth(0),
-      m_DataSize(0),
-      m_pIndex(NULL) {}
-void CFX_BaseSegmentedArray::SetUnitSize(int unit_size,
-                                         int segment_units,
-                                         int index_size) {
-  ASSERT(m_DataSize == 0);
-  m_UnitSize = unit_size;
-  m_SegmentSize = segment_units;
-  m_IndexSize = index_size;
-}
-CFX_BaseSegmentedArray::~CFX_BaseSegmentedArray() {
-  RemoveAll();
-}
-static void _ClearIndex(int level, int size, void** pIndex) {
-  if (level == 0) {
-    FX_Free(pIndex);
-    return;
-  }
-  for (int i = 0; i < size; ++i) {
-    if (pIndex[i])
-      _ClearIndex(level - 1, size, (void**)pIndex[i]);
-  }
-  FX_Free(pIndex);
-}
-void CFX_BaseSegmentedArray::RemoveAll() {
-  if (!m_pIndex) {
-    return;
-  }
-  _ClearIndex(m_IndexDepth, m_IndexSize, (void**)m_pIndex);
-  m_pIndex = NULL;
-  m_IndexDepth = 0;
-  m_DataSize = 0;
-}
-void* CFX_BaseSegmentedArray::Add() {
-  if (m_DataSize % m_SegmentSize) {
-    return GetAt(m_DataSize++);
-  }
-  void* pSegment = FX_Alloc2D(uint8_t, m_UnitSize, m_SegmentSize);
-  if (!m_pIndex) {
-    m_pIndex = pSegment;
-    m_DataSize++;
-    return pSegment;
-  }
-  if (m_IndexDepth == 0) {
-    void** pIndex = FX_Alloc(void*, m_IndexSize);
-    pIndex[0] = m_pIndex;
-    pIndex[1] = pSegment;
-    m_pIndex = pIndex;
-    m_DataSize++;
-    m_IndexDepth++;
-    return pSegment;
-  }
-  int seg_index = m_DataSize / m_SegmentSize;
-  if (seg_index % m_IndexSize) {
-    void** pIndex = GetIndex(seg_index);
-    pIndex[seg_index % m_IndexSize] = pSegment;
-    m_DataSize++;
-    return pSegment;
-  }
-  int tree_size = 1;
-  int i;
-  for (i = 0; i < m_IndexDepth; i++) {
-    tree_size *= m_IndexSize;
-  }
-  if (m_DataSize == tree_size * m_SegmentSize) {
-    void** pIndex = FX_Alloc(void*, m_IndexSize);
-    pIndex[0] = m_pIndex;
-    m_pIndex = pIndex;
-    m_IndexDepth++;
-  } else {
-    tree_size /= m_IndexSize;
-  }
-  void** pSpot = (void**)m_pIndex;
-  for (i = 1; i < m_IndexDepth; i++) {
-    if (!pSpot[seg_index / tree_size]) {
-      pSpot[seg_index / tree_size] = FX_Alloc(void*, m_IndexSize);
-    }
-    pSpot = (void**)pSpot[seg_index / tree_size];
-    seg_index = seg_index % tree_size;
-    tree_size /= m_IndexSize;
-  }
-  if (i < m_IndexDepth) {
-    FX_Free(pSegment);
-    RemoveAll();
-    return NULL;
-  }
-  pSpot[seg_index % m_IndexSize] = pSegment;
-  m_DataSize++;
-  return pSegment;
-}
-void** CFX_BaseSegmentedArray::GetIndex(int seg_index) const {
-  ASSERT(m_IndexDepth != 0);
-  if (m_IndexDepth == 1) {
-    return (void**)m_pIndex;
-  }
-  if (m_IndexDepth == 2) {
-    return (void**)((void**)m_pIndex)[seg_index / m_IndexSize];
-  }
-  int tree_size = 1;
-  int i;
-  for (i = 1; i < m_IndexDepth; i++) {
-    tree_size *= m_IndexSize;
-  }
-  void** pSpot = (void**)m_pIndex;
-  for (i = 1; i < m_IndexDepth; i++) {
-    pSpot = (void**)pSpot[seg_index / tree_size];
-    seg_index = seg_index % tree_size;
-    tree_size /= m_IndexSize;
-  }
-  return pSpot;
-}
-void* CFX_BaseSegmentedArray::IterateSegment(const uint8_t* pSegment,
-                                             int count,
-                                             FX_BOOL (*callback)(void* param,
-                                                                 void* pData),
-                                             void* param) const {
-  for (int i = 0; i < count; i++) {
-    if (!callback(param, (void*)(pSegment + i * m_UnitSize))) {
-      return (void*)(pSegment + i * m_UnitSize);
-    }
-  }
-  return NULL;
-}
-void* CFX_BaseSegmentedArray::IterateIndex(int level,
-                                           int& start,
-                                           void** pIndex,
-                                           FX_BOOL (*callback)(void* param,
-                                                               void* pData),
-                                           void* param) const {
-  if (level == 0) {
-    int count = m_DataSize - start;
-    if (count > m_SegmentSize) {
-      count = m_SegmentSize;
-    }
-    start += count;
-    return IterateSegment((const uint8_t*)pIndex, count, callback, param);
-  }
-  for (int i = 0; i < m_IndexSize; i++) {
-    if (!pIndex[i]) {
-      continue;
-    }
-    void* p =
-        IterateIndex(level - 1, start, (void**)pIndex[i], callback, param);
-    if (p) {
-      return p;
-    }
-  }
-  return NULL;
-}
-void* CFX_BaseSegmentedArray::Iterate(FX_BOOL (*callback)(void* param,
-                                                          void* pData),
-                                      void* param) const {
-  if (!m_pIndex) {
-    return NULL;
-  }
-  int start = 0;
-  return IterateIndex(m_IndexDepth, start, (void**)m_pIndex, callback, param);
-}
-void* CFX_BaseSegmentedArray::GetAt(int index) const {
-  if (index < 0 || index >= m_DataSize) {
-    return NULL;
-  }
-  if (m_IndexDepth == 0) {
-    return (uint8_t*)m_pIndex + m_UnitSize * index;
-  }
-  int seg_index = index / m_SegmentSize;
-  return (uint8_t*)GetIndex(seg_index)[seg_index % m_IndexSize] +
-         (index % m_SegmentSize) * m_UnitSize;
-}
-void CFX_BaseSegmentedArray::Delete(int index, int count) {
-  if (index < 0 || count < 1 || index + count > m_DataSize) {
-    return;
-  }
-  int i;
-  for (i = index; i < m_DataSize - count; i++) {
-    uint8_t* pSrc = (uint8_t*)GetAt(i + count);
-    uint8_t* pDest = (uint8_t*)GetAt(i);
-    for (int j = 0; j < m_UnitSize; j++) {
-      pDest[j] = pSrc[j];
-    }
-  }
-  int new_segs = (m_DataSize - count + m_SegmentSize - 1) / m_SegmentSize;
-  int old_segs = (m_DataSize + m_SegmentSize - 1) / m_SegmentSize;
-  if (new_segs < old_segs) {
-    if (m_IndexDepth) {
-      for (i = new_segs; i < old_segs; i++) {
-        void** pIndex = GetIndex(i);
-        FX_Free(pIndex[i % m_IndexSize]);
-        pIndex[i % m_IndexSize] = NULL;
-      }
-    } else {
-      FX_Free(m_pIndex);
-      m_pIndex = NULL;
-    }
-  }
-  m_DataSize -= count;
-}
-#endif  // PDF_ENABLE_XFA