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authorDan Sinclair <dsinclair@chromium.org>2016-03-14 14:14:16 -0400
committerDan Sinclair <dsinclair@chromium.org>2016-03-14 14:14:16 -0400
commit1770c021cf998ff1b33855b1397f6ea8ff9f7cd7 (patch)
tree285e39abd4b5872d8cd632b9e331b0667fdc3eae /xfa/src/fgas/crt/fgas_memory.cpp
parentf766ad219f66543654520f6a1955836f519e26d1 (diff)
downloadpdfium-1770c021cf998ff1b33855b1397f6ea8ff9f7cd7.tar.xz
Move xfa/src up to xfa/.
This CL moves the xfa/src files up to the xfa/ directory and fixes the includes, include guards, and build files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1803723002 .
Diffstat (limited to 'xfa/src/fgas/crt/fgas_memory.cpp')
-rw-r--r--xfa/src/fgas/crt/fgas_memory.cpp446
1 files changed, 0 insertions, 446 deletions
diff --git a/xfa/src/fgas/crt/fgas_memory.cpp b/xfa/src/fgas/crt/fgas_memory.cpp
deleted file mode 100644
index c88c7e3aac..0000000000
--- a/xfa/src/fgas/crt/fgas_memory.cpp
+++ /dev/null
@@ -1,446 +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/src/fgas/crt/fgas_memory.h"
-
-#include <algorithm>
-
-namespace {
-
-class CFX_DefStore : public IFX_MEMAllocator, public CFX_Target {
- public:
- CFX_DefStore() {}
- ~CFX_DefStore() {}
- virtual void Release() { delete this; }
- virtual void* Alloc(size_t size) { return FX_Alloc(uint8_t, size); }
- virtual void Free(void* pBlock) { FX_Free(pBlock); }
- virtual size_t GetBlockSize() const { return 0; }
- virtual size_t GetDefChunkSize() const { return 0; }
- virtual size_t SetDefChunkSize(size_t size) { return 0; }
- virtual size_t GetCurrentDataSize() const { return 0; }
-};
-
-#if _FX_OS_ != _FX_ANDROID_
-#pragma pack(push, 1)
-#endif
-struct FX_STATICSTORECHUNK {
- FX_STATICSTORECHUNK* pNextChunk;
- size_t iChunkSize;
- size_t iFreeSize;
-};
-#if _FX_OS_ != _FX_ANDROID_
-#pragma pack(pop)
-#endif
-
-class CFX_StaticStore : public IFX_MEMAllocator, public CFX_Target {
- public:
- CFX_StaticStore(size_t iDefChunkSize = 4096);
- ~CFX_StaticStore();
- virtual void Release() { delete this; }
- virtual void* Alloc(size_t size);
- virtual void Free(void* pBlock) {}
- virtual size_t GetBlockSize() const { return 0; }
- virtual size_t GetDefChunkSize() const { return m_iDefChunkSize; }
- virtual size_t SetDefChunkSize(size_t size);
- virtual size_t GetCurrentDataSize() const { return m_iAllocatedSize; }
-
- protected:
- size_t m_iAllocatedSize;
- size_t m_iDefChunkSize;
- FX_STATICSTORECHUNK* m_pChunk;
- FX_STATICSTORECHUNK* m_pLastChunk;
- FX_STATICSTORECHUNK* AllocChunk(size_t size);
- FX_STATICSTORECHUNK* FindChunk(size_t size);
-};
-
-#if _FX_OS_ != _FX_ANDROID_
-#pragma pack(push, 1)
-#endif
-struct FX_FIXEDSTORECHUNK {
- uint8_t* FirstFlag() { return reinterpret_cast<uint8_t*>(this + 1); }
- uint8_t* FirstBlock() { return FirstFlag() + iChunkSize; }
-
- FX_FIXEDSTORECHUNK* pNextChunk;
- size_t iChunkSize;
- size_t iFreeNum;
-};
-#if _FX_OS_ != _FX_ANDROID_
-#pragma pack(pop)
-#endif
-
-class CFX_FixedStore : public IFX_MEMAllocator, public CFX_Target {
- public:
- CFX_FixedStore(size_t iBlockSize, size_t iBlockNumsInChunk);
- virtual ~CFX_FixedStore();
- virtual void Release() { delete this; }
- virtual void* Alloc(size_t size);
- virtual void Free(void* pBlock);
- virtual size_t GetBlockSize() const { return m_iBlockSize; }
- virtual size_t GetDefChunkSize() const { return m_iDefChunkSize; }
- virtual size_t SetDefChunkSize(size_t iChunkSize);
- virtual size_t GetCurrentDataSize() const { return 0; }
-
- protected:
- FX_FIXEDSTORECHUNK* AllocChunk();
-
- size_t m_iBlockSize;
- size_t m_iDefChunkSize;
- FX_FIXEDSTORECHUNK* m_pChunk;
-};
-
-#if _FX_OS_ != _FX_ANDROID_
-#pragma pack(push, 1)
-#endif
-struct FX_DYNAMICSTOREBLOCK {
- uint8_t* Data() { return reinterpret_cast<uint8_t*>(this + 1); }
- FX_DYNAMICSTOREBLOCK* NextBlock() {
- return reinterpret_cast<FX_DYNAMICSTOREBLOCK*>(Data() + iBlockSize);
- }
- size_t iBlockSize;
- FX_BOOL bUsed;
-};
-
-struct FX_DYNAMICSTORECHUNK {
- FX_DYNAMICSTOREBLOCK* FirstBlock() {
- return reinterpret_cast<FX_DYNAMICSTOREBLOCK*>(this + 1);
- }
- FX_DYNAMICSTORECHUNK* pNextChunk;
- size_t iChunkSize;
- size_t iFreeSize;
-};
-#if _FX_OS_ != _FX_ANDROID_
-#pragma pack(pop)
-#endif
-
-class CFX_DynamicStore : public IFX_MEMAllocator, public CFX_Target {
- public:
- CFX_DynamicStore(size_t iDefChunkSize = 4096);
- virtual ~CFX_DynamicStore();
- virtual void Release() { delete this; }
- virtual void* Alloc(size_t size);
- virtual void Free(void* pBlock);
- virtual size_t GetBlockSize() const { return 0; }
- virtual size_t GetDefChunkSize() const { return m_iDefChunkSize; }
- virtual size_t SetDefChunkSize(size_t size);
- virtual size_t GetCurrentDataSize() const { return 0; }
-
- protected:
- FX_DYNAMICSTORECHUNK* AllocChunk(size_t size);
-
- size_t m_iDefChunkSize;
- FX_DYNAMICSTORECHUNK* m_pChunk;
-};
-
-} // namespace
-
-#define FX_4BYTEALIGN(size) (((size) + 3) / 4 * 4)
-
-IFX_MEMAllocator* FX_CreateAllocator(FX_ALLOCTYPE eType,
- size_t chunkSize,
- size_t blockSize) {
- switch (eType) {
- case FX_ALLOCTYPE_Dynamic:
- return new CFX_DynamicStore(chunkSize);
- case FX_ALLOCTYPE_Default:
- return new CFX_DefStore();
- case FX_ALLOCTYPE_Static:
- return new CFX_StaticStore(chunkSize);
- case FX_ALLOCTYPE_Fixed:
- return new CFX_FixedStore(blockSize, chunkSize);
- default:
- return NULL;
- }
-}
-CFX_StaticStore::CFX_StaticStore(size_t iDefChunkSize)
- : m_iAllocatedSize(0),
- m_iDefChunkSize(iDefChunkSize),
- m_pChunk(NULL),
- m_pLastChunk(NULL) {
- FXSYS_assert(m_iDefChunkSize != 0);
-}
-CFX_StaticStore::~CFX_StaticStore() {
- FX_STATICSTORECHUNK* pChunk = m_pChunk;
- while (pChunk) {
- FX_STATICSTORECHUNK* pNext = pChunk->pNextChunk;
- FX_Free(pChunk);
- pChunk = pNext;
- }
-}
-FX_STATICSTORECHUNK* CFX_StaticStore::AllocChunk(size_t size) {
- FXSYS_assert(size != 0);
- FX_STATICSTORECHUNK* pChunk = (FX_STATICSTORECHUNK*)FX_Alloc(
- uint8_t, sizeof(FX_STATICSTORECHUNK) + size);
- pChunk->iChunkSize = size;
- pChunk->iFreeSize = size;
- pChunk->pNextChunk = NULL;
- if (m_pLastChunk == NULL) {
- m_pChunk = pChunk;
- } else {
- m_pLastChunk->pNextChunk = pChunk;
- }
- m_pLastChunk = pChunk;
- return pChunk;
-}
-FX_STATICSTORECHUNK* CFX_StaticStore::FindChunk(size_t size) {
- FXSYS_assert(size != 0);
- if (m_pLastChunk == NULL || m_pLastChunk->iFreeSize < size) {
- return AllocChunk(std::max(m_iDefChunkSize, size));
- }
- return m_pLastChunk;
-}
-void* CFX_StaticStore::Alloc(size_t size) {
- size = FX_4BYTEALIGN(size);
- FXSYS_assert(size != 0);
- FX_STATICSTORECHUNK* pChunk = FindChunk(size);
- FXSYS_assert(pChunk->iFreeSize >= size);
- uint8_t* p = (uint8_t*)pChunk;
- p += sizeof(FX_STATICSTORECHUNK) + pChunk->iChunkSize - pChunk->iFreeSize;
- pChunk->iFreeSize -= size;
- m_iAllocatedSize += size;
- return p;
-}
-size_t CFX_StaticStore::SetDefChunkSize(size_t size) {
- FXSYS_assert(size != 0);
- size_t v = m_iDefChunkSize;
- m_iDefChunkSize = size;
- return v;
-}
-CFX_FixedStore::CFX_FixedStore(size_t iBlockSize, size_t iBlockNumsInChunk)
- : m_iBlockSize(FX_4BYTEALIGN(iBlockSize)),
- m_iDefChunkSize(FX_4BYTEALIGN(iBlockNumsInChunk)),
- m_pChunk(NULL) {
- FXSYS_assert(m_iBlockSize != 0 && m_iDefChunkSize != 0);
-}
-CFX_FixedStore::~CFX_FixedStore() {
- FX_FIXEDSTORECHUNK* pChunk = m_pChunk;
- while (pChunk) {
- FX_FIXEDSTORECHUNK* pNext = pChunk->pNextChunk;
- FX_Free(pChunk);
- pChunk = pNext;
- }
-}
-FX_FIXEDSTORECHUNK* CFX_FixedStore::AllocChunk() {
- int32_t iTotalSize = sizeof(FX_FIXEDSTORECHUNK) + m_iDefChunkSize +
- m_iBlockSize * m_iDefChunkSize;
- FX_FIXEDSTORECHUNK* pChunk =
- (FX_FIXEDSTORECHUNK*)FX_Alloc(uint8_t, iTotalSize);
- if (pChunk == NULL) {
- return NULL;
- }
- FXSYS_memset(pChunk->FirstFlag(), 0, m_iDefChunkSize);
- pChunk->pNextChunk = m_pChunk;
- pChunk->iChunkSize = m_iDefChunkSize;
- pChunk->iFreeNum = m_iDefChunkSize;
- m_pChunk = pChunk;
- return pChunk;
-}
-void* CFX_FixedStore::Alloc(size_t size) {
- if (size > m_iBlockSize) {
- return NULL;
- }
- FX_FIXEDSTORECHUNK* pChunk = m_pChunk;
- while (pChunk != NULL) {
- if (pChunk->iFreeNum > 0) {
- break;
- }
- pChunk = pChunk->pNextChunk;
- }
- if (pChunk == NULL) {
- pChunk = AllocChunk();
- }
- FXSYS_assert(pChunk != NULL);
- uint8_t* pFlags = pChunk->FirstFlag();
- size_t i = 0;
- for (; i < pChunk->iChunkSize; i++)
- if (pFlags[i] == 0) {
- break;
- }
- FXSYS_assert(i < pChunk->iChunkSize);
- pFlags[i] = 1;
- pChunk->iFreeNum--;
- return pChunk->FirstBlock() + i * m_iBlockSize;
-}
-void CFX_FixedStore::Free(void* pBlock) {
- FXSYS_assert(pBlock != NULL);
- FX_FIXEDSTORECHUNK* pPrior = NULL;
- FX_FIXEDSTORECHUNK* pChunk = m_pChunk;
- uint8_t* pStart = NULL;
- uint8_t* pEnd;
- while (pChunk != NULL) {
- pStart = pChunk->FirstBlock();
- if (pBlock >= pStart) {
- pEnd = pStart + m_iBlockSize * pChunk->iChunkSize;
- if (pBlock < pEnd) {
- break;
- }
- }
- pPrior = pChunk, pChunk = pChunk->pNextChunk;
- }
- FXSYS_assert(pChunk != NULL);
- size_t iPos = ((uint8_t*)pBlock - pStart) / m_iBlockSize;
- FXSYS_assert(iPos < pChunk->iChunkSize);
- uint8_t* pFlags = pChunk->FirstFlag();
- if (pFlags[iPos] == 0) {
- return;
- }
- pFlags[iPos] = 0;
- pChunk->iFreeNum++;
- if (pChunk->iFreeNum == pChunk->iChunkSize) {
- if (pPrior == NULL) {
- m_pChunk = pChunk->pNextChunk;
- } else {
- pPrior->pNextChunk = pChunk->pNextChunk;
- }
- FX_Free(pChunk);
- }
-}
-size_t CFX_FixedStore::SetDefChunkSize(size_t iChunkSize) {
- FXSYS_assert(iChunkSize != 0);
- size_t v = m_iDefChunkSize;
- m_iDefChunkSize = FX_4BYTEALIGN(iChunkSize);
- return v;
-}
-CFX_DynamicStore::CFX_DynamicStore(size_t iDefChunkSize)
- : m_iDefChunkSize(iDefChunkSize), m_pChunk(NULL) {
- FXSYS_assert(m_iDefChunkSize != 0);
-}
-CFX_DynamicStore::~CFX_DynamicStore() {
- FX_DYNAMICSTORECHUNK* pChunk = m_pChunk;
- while (pChunk) {
- FX_DYNAMICSTORECHUNK* pNext = pChunk->pNextChunk;
- FX_Free(pChunk);
- pChunk = pNext;
- }
-}
-FX_DYNAMICSTORECHUNK* CFX_DynamicStore::AllocChunk(size_t size) {
- FXSYS_assert(size != 0);
- FX_DYNAMICSTORECHUNK* pChunk = (FX_DYNAMICSTORECHUNK*)FX_Alloc(
- uint8_t,
- sizeof(FX_DYNAMICSTORECHUNK) + sizeof(FX_DYNAMICSTOREBLOCK) * 2 + size);
- if (pChunk == NULL) {
- return NULL;
- }
- pChunk->iChunkSize = size;
- pChunk->iFreeSize = size;
- FX_DYNAMICSTOREBLOCK* pBlock = pChunk->FirstBlock();
- pBlock->iBlockSize = size;
- pBlock->bUsed = FALSE;
- pBlock = pBlock->NextBlock();
- pBlock->iBlockSize = 0;
- pBlock->bUsed = TRUE;
- if (m_pChunk != NULL && size >= m_iDefChunkSize) {
- FX_DYNAMICSTORECHUNK* pLast = m_pChunk;
- while (pLast->pNextChunk != NULL) {
- pLast = pLast->pNextChunk;
- }
- pLast->pNextChunk = pChunk;
- pChunk->pNextChunk = NULL;
- } else {
- pChunk->pNextChunk = m_pChunk;
- m_pChunk = pChunk;
- }
- return pChunk;
-}
-void* CFX_DynamicStore::Alloc(size_t size) {
- size = FX_4BYTEALIGN(size);
- FXSYS_assert(size != 0);
- FX_DYNAMICSTORECHUNK* pChunk = m_pChunk;
- FX_DYNAMICSTOREBLOCK* pBlock = NULL;
- while (pChunk != NULL) {
- if (pChunk->iFreeSize >= size) {
- pBlock = pChunk->FirstBlock();
- FX_BOOL bFind = FALSE;
- while (pBlock->iBlockSize != 0) {
- if (!pBlock->bUsed && pBlock->iBlockSize >= size) {
- bFind = TRUE;
- break;
- }
- pBlock = pBlock->NextBlock();
- }
- if (bFind) {
- break;
- }
- }
- pChunk = pChunk->pNextChunk;
- }
- if (pChunk == NULL) {
- pChunk = AllocChunk(std::max(m_iDefChunkSize, size));
- pBlock = pChunk->FirstBlock();
- }
- FXSYS_assert(pChunk != NULL && pBlock != NULL);
- size_t m = size + sizeof(FX_DYNAMICSTOREBLOCK);
- pBlock->bUsed = TRUE;
- if (pBlock->iBlockSize > m) {
- size_t n = pBlock->iBlockSize;
- pBlock->iBlockSize = size;
- FX_DYNAMICSTOREBLOCK* pNextBlock = pBlock->NextBlock();
- pNextBlock->bUsed = FALSE;
- pNextBlock->iBlockSize = n - size - sizeof(FX_DYNAMICSTOREBLOCK);
- pChunk->iFreeSize -= size + sizeof(FX_DYNAMICSTOREBLOCK);
- } else {
- pChunk->iFreeSize -= pBlock->iBlockSize;
- }
- return pBlock->Data();
-}
-void CFX_DynamicStore::Free(void* pBlock) {
- FXSYS_assert(pBlock != NULL);
- FX_DYNAMICSTORECHUNK* pPriorChunk = NULL;
- FX_DYNAMICSTORECHUNK* pChunk = m_pChunk;
- while (pChunk != NULL) {
- if (pBlock > pChunk &&
- pBlock <= ((uint8_t*)pChunk + sizeof(FX_DYNAMICSTORECHUNK) +
- pChunk->iChunkSize)) {
- break;
- }
- pPriorChunk = pChunk, pChunk = pChunk->pNextChunk;
- }
- FXSYS_assert(pChunk != NULL);
- FX_DYNAMICSTOREBLOCK* pPriorBlock = NULL;
- FX_DYNAMICSTOREBLOCK* pFindBlock = pChunk->FirstBlock();
- while (pFindBlock->iBlockSize != 0) {
- if (pBlock == (void*)pFindBlock->Data()) {
- break;
- }
- pPriorBlock = pFindBlock;
- pFindBlock = pFindBlock->NextBlock();
- }
- FXSYS_assert(pFindBlock->iBlockSize != 0 && pFindBlock->bUsed &&
- pBlock == (void*)pFindBlock->Data());
- pFindBlock->bUsed = FALSE;
- pChunk->iFreeSize += pFindBlock->iBlockSize;
- if (pPriorBlock == NULL) {
- pPriorBlock = pChunk->FirstBlock();
- } else if (pPriorBlock->bUsed) {
- pPriorBlock = pFindBlock;
- }
- pFindBlock = pPriorBlock;
- size_t sizeFree = 0;
- size_t sizeBlock = 0;
- while (pFindBlock->iBlockSize != 0 && !pFindBlock->bUsed) {
- if (pFindBlock != pPriorBlock) {
- sizeFree += sizeof(FX_DYNAMICSTOREBLOCK);
- sizeBlock += sizeof(FX_DYNAMICSTOREBLOCK);
- }
- sizeBlock += pFindBlock->iBlockSize;
- pFindBlock = pFindBlock->NextBlock();
- }
- pPriorBlock->iBlockSize = sizeBlock;
- pChunk->iFreeSize += sizeFree;
- if (pChunk->iFreeSize == pChunk->iChunkSize) {
- if (pPriorChunk == NULL) {
- m_pChunk = pChunk->pNextChunk;
- } else {
- pPriorChunk->pNextChunk = pChunk->pNextChunk;
- }
- FX_Free(pChunk);
- }
-}
-size_t CFX_DynamicStore::SetDefChunkSize(size_t size) {
- FXSYS_assert(size != 0);
- size_t v = m_iDefChunkSize;
- m_iDefChunkSize = size;
- return v;
-}