Merge to XFA: Remove CFX_CMapByteStringToPtr

Original Review URL: https://codereview.chromium.org/1580493002 .
(cherry picked from commit 2a312f90dbf5da8b930dee814db786965792961a)

TBR=ochang@chromium.org

Review URL: https://codereview.chromium.org/1611683002 .

2 files changed, 0 insertions, 225 deletions

diff --git a/core/include/fxcrt/fx_basic.h b/core/include/fxcrt/fx_basic.h
index 4e7c8c84b4..3414dbc13b 100644
--- a/core/include/fxcrt/fx_basic.h
+++ b/core/include/fxcrt/fx_basic.h
@@ -742,35 +742,6 @@ class CFX_MapPtrTemplate : public CFX_MapPtrToPtr {
   }
 };
 #endif  // PDF_ENABLE_XFA
-class CFX_CMapByteStringToPtr {
- public:
-  CFX_CMapByteStringToPtr();
-
-  ~CFX_CMapByteStringToPtr();
-
-  void RemoveAll();
-
-  FX_POSITION GetStartPosition() const;
-
-  void GetNextAssoc(FX_POSITION& rNextPosition,
-                    CFX_ByteString& rKey,
-                    void*& rValue) const;
-
-  void* GetNextValue(FX_POSITION& rNextPosition) const;
-
-  FX_BOOL Lookup(const CFX_ByteStringC& key, void*& rValue) const;
-
-  void SetAt(const CFX_ByteStringC& key, void* value);
-
-  void RemoveKey(const CFX_ByteStringC& key);
-
-  int GetCount() const;
-
-  void AddValue(const CFX_ByteStringC& key, void* pValue);
-
- private:
-  CFX_BaseSegmentedArray m_Buffer;
-};
 class CFX_PtrList {
  protected:
   struct CNode {
diff --git a/core/src/fxcrt/fx_basic_maps.cpp b/core/src/fxcrt/fx_basic_maps.cpp
index f7d127f7da..d9b634e649 100644
--- a/core/src/fxcrt/fx_basic_maps.cpp
+++ b/core/src/fxcrt/fx_basic_maps.cpp
@@ -7,13 +7,6 @@
 #include "core/include/fxcrt/fx_basic.h"
 #include "plex.h"
 
-namespace {
-
-const uint8_t kFreeLength = 0xfe;
-const uint8_t kHasAllocatedBufferLength = 0xff;
-
-}  // namespace
-
 CFX_MapPtrToPtr::CFX_MapPtrToPtr(int nBlockSize)
     : m_pHashTable(NULL),
       m_nHashTableSize(17),
@@ -164,192 +157,3 @@ void CFX_MapPtrToPtr::FreeAssoc(CFX_MapPtrToPtr::CAssoc* pAssoc) {
     RemoveAll();
   }
 }
-struct _CompactString {
-  uint8_t m_CompactLen;
-  uint8_t m_LenHigh;
-  uint8_t m_LenLow;
-  uint8_t m_Unused;
-  uint8_t* m_pBuffer;
-};
-static void _CompactStringRelease(_CompactString* pCompact) {
-  if (pCompact->m_CompactLen == kHasAllocatedBufferLength) {
-    FX_Free(pCompact->m_pBuffer);
-  }
-}
-static FX_BOOL _CompactStringSame(_CompactString* pCompact,
-                                  const uint8_t* pStr,
-                                  int len) {
-  if (len < sizeof(_CompactString)) {
-    if (pCompact->m_CompactLen != len) {
-      return FALSE;
-    }
-    return FXSYS_memcmp(&pCompact->m_LenHigh, pStr, len) == 0;
-  }
-  if (pCompact->m_CompactLen != kHasAllocatedBufferLength ||
-      pCompact->m_LenHigh * 256 + pCompact->m_LenLow != len) {
-    return FALSE;
-  }
-  return FXSYS_memcmp(pCompact->m_pBuffer, pStr, len) == 0;
-}
-static void _CompactStringStore(_CompactString* pCompact,
-                                const uint8_t* pStr,
-                                int len) {
-  if (len < (int)sizeof(_CompactString)) {
-    pCompact->m_CompactLen = (uint8_t)len;
-    FXSYS_memcpy(&pCompact->m_LenHigh, pStr, len);
-    return;
-  }
-  pCompact->m_CompactLen = kHasAllocatedBufferLength;
-  pCompact->m_LenHigh = len / 256;
-  pCompact->m_LenLow = len % 256;
-  pCompact->m_pBuffer = FX_Alloc(uint8_t, len);
-  FXSYS_memcpy(pCompact->m_pBuffer, pStr, len);
-}
-static CFX_ByteStringC _CompactStringGet(_CompactString* pCompact) {
-  if (pCompact->m_CompactLen == kHasAllocatedBufferLength) {
-    return CFX_ByteStringC(pCompact->m_pBuffer,
-                           pCompact->m_LenHigh * 256 + pCompact->m_LenLow);
-  }
-  if (pCompact->m_CompactLen == kFreeLength) {
-    return CFX_ByteStringC();
-  }
-  return CFX_ByteStringC(&pCompact->m_LenHigh, pCompact->m_CompactLen);
-}
-#define CMAP_ALLOC_STEP 8
-#define CMAP_INDEX_SIZE 8
-CFX_CMapByteStringToPtr::CFX_CMapByteStringToPtr()
-    : m_Buffer(sizeof(_CompactString) + sizeof(void*),
-               CMAP_ALLOC_STEP,
-               CMAP_INDEX_SIZE) {}
-CFX_CMapByteStringToPtr::~CFX_CMapByteStringToPtr() {
-  RemoveAll();
-}
-void CFX_CMapByteStringToPtr::RemoveAll() {
-  int size = m_Buffer.GetSize();
-  for (int i = 0; i < size; i++) {
-    _CompactStringRelease((_CompactString*)m_Buffer.GetAt(i));
-  }
-  m_Buffer.RemoveAll();
-}
-FX_POSITION CFX_CMapByteStringToPtr::GetStartPosition() const {
-  int size = m_Buffer.GetSize();
-  for (int i = 0; i < size; i++) {
-    _CompactString* pKey = (_CompactString*)m_Buffer.GetAt(i);
-    if (pKey->m_CompactLen != kFreeLength) {
-      return (FX_POSITION)(uintptr_t)(i + 1);
-    }
-  }
-  return NULL;
-}
-void CFX_CMapByteStringToPtr::GetNextAssoc(FX_POSITION& rNextPosition,
-                                           CFX_ByteString& rKey,
-                                           void*& rValue) const {
-  if (!rNextPosition) {
-    return;
-  }
-  int index = (int)(uintptr_t)rNextPosition - 1;
-  _CompactString* pKey = (_CompactString*)m_Buffer.GetAt(index);
-  rKey = _CompactStringGet(pKey);
-  rValue = *(void**)(pKey + 1);
-  index++;
-  int size = m_Buffer.GetSize();
-  while (index < size) {
-    pKey = (_CompactString*)m_Buffer.GetAt(index);
-    if (pKey->m_CompactLen != kFreeLength) {
-      rNextPosition = (FX_POSITION)(uintptr_t)(index + 1);
-      return;
-    }
-    index++;
-  }
-  rNextPosition = NULL;
-}
-void* CFX_CMapByteStringToPtr::GetNextValue(FX_POSITION& rNextPosition) const {
-  if (!rNextPosition) {
-    return NULL;
-  }
-  int index = (int)(uintptr_t)rNextPosition - 1;
-  _CompactString* pKey = (_CompactString*)m_Buffer.GetAt(index);
-  void* rValue = *(void**)(pKey + 1);
-  index++;
-  int size = m_Buffer.GetSize();
-  while (index < size) {
-    pKey = (_CompactString*)m_Buffer.GetAt(index);
-    if (pKey->m_CompactLen != kFreeLength) {
-      rNextPosition = (FX_POSITION)(uintptr_t)(index + 1);
-      return rValue;
-    }
-    index++;
-  }
-  rNextPosition = NULL;
-  return rValue;
-}
-FX_BOOL _CMapLookupCallback(void* param, void* pData) {
-  return !_CompactStringSame((_CompactString*)pData,
-                             ((CFX_ByteStringC*)param)->GetPtr(),
-                             ((CFX_ByteStringC*)param)->GetLength());
-}
-FX_BOOL CFX_CMapByteStringToPtr::Lookup(const CFX_ByteStringC& key,
-                                        void*& rValue) const {
-  void* p = m_Buffer.Iterate(_CMapLookupCallback, (void*)&key);
-  if (!p) {
-    return FALSE;
-  }
-  rValue = *(void**)((_CompactString*)p + 1);
-  return TRUE;
-}
-void CFX_CMapByteStringToPtr::SetAt(const CFX_ByteStringC& key, void* value) {
-  ASSERT(value);
-  int key_len = key.GetLength();
-  int size = m_Buffer.GetSize();
-  for (int index = 0; index < size; index++) {
-    _CompactString* pKey = (_CompactString*)m_Buffer.GetAt(index);
-    if (!_CompactStringSame(pKey, key.GetPtr(), key_len)) {
-      continue;
-    }
-    *(void**)(pKey + 1) = value;
-    return;
-  }
-  for (int index = 0; index < size; index++) {
-    _CompactString* pKey = (_CompactString*)m_Buffer.GetAt(index);
-    if (pKey->m_CompactLen != kFreeLength) {
-      continue;
-    }
-    _CompactStringStore(pKey, key.GetPtr(), key_len);
-    *(void**)(pKey + 1) = value;
-    return;
-  }
-  _CompactString* pKey = (_CompactString*)m_Buffer.Add();
-  _CompactStringStore(pKey, key.GetPtr(), key_len);
-  *(void**)(pKey + 1) = value;
-}
-void CFX_CMapByteStringToPtr::AddValue(const CFX_ByteStringC& key,
-                                       void* value) {
-  ASSERT(value);
-  _CompactString* pKey = (_CompactString*)m_Buffer.Add();
-  _CompactStringStore(pKey, key.GetPtr(), key.GetLength());
-  *(void**)(pKey + 1) = value;
-}
-void CFX_CMapByteStringToPtr::RemoveKey(const CFX_ByteStringC& key) {
-  int key_len = key.GetLength();
-  int size = m_Buffer.GetSize();
-  for (int index = 0; index < size; index++) {
-    _CompactString* pKey = (_CompactString*)m_Buffer.GetAt(index);
-    if (!_CompactStringSame(pKey, key.GetPtr(), key_len)) {
-      continue;
-    }
-    _CompactStringRelease(pKey);
-    pKey->m_CompactLen = kFreeLength;
-    return;
-  }
-}
-int CFX_CMapByteStringToPtr::GetCount() const {
-  int count = 0;
-  int size = m_Buffer.GetSize();
-  for (int i = 0; i < size; i++) {
-    _CompactString* pKey = (_CompactString*)m_Buffer.GetAt(i);
-    if (pKey->m_CompactLen != kFreeLength) {
-      count++;
-    }
-  }
-  return count;
-}