diff options
Diffstat (limited to 'xfa/src/fde/css/fde_csscache.cpp')
-rw-r--r-- | xfa/src/fde/css/fde_csscache.cpp | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/xfa/src/fde/css/fde_csscache.cpp b/xfa/src/fde/css/fde_csscache.cpp deleted file mode 100644 index 012585bfd0..0000000000 --- a/xfa/src/fde/css/fde_csscache.cpp +++ /dev/null @@ -1,149 +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/fde/css/fde_csscache.h" - -#include <algorithm> - -#include "core/include/fxcrt/fx_ext.h" - -FDE_CSSCacheItem::FDE_CSSCacheItem(IFDE_CSSStyleSheet* p) - : pStylesheet(p), dwActivity(0) { - FXSYS_assert(pStylesheet); - pStylesheet->AddRef(); -} -FDE_CSSCacheItem::~FDE_CSSCacheItem() { - pStylesheet->Release(); -} -IFDE_CSSStyleSheetCache* IFDE_CSSStyleSheetCache::Create() { - return new CFDE_CSSStyleSheetCache; -} - -CFDE_CSSStyleSheetCache::CFDE_CSSStyleSheetCache() - : m_pFixedStore(NULL), m_iMaxItems(5) {} - -CFDE_CSSStyleSheetCache::~CFDE_CSSStyleSheetCache() { - for (const auto& pair : m_Stylesheets) { - FXTARGET_DeleteWith(FDE_CSSCacheItem, m_pFixedStore, pair.second); - } - m_Stylesheets.clear(); - if (m_pFixedStore) { - m_pFixedStore->Release(); - } -} -void CFDE_CSSStyleSheetCache::AddStyleSheet(const CFX_ByteStringC& szKey, - IFDE_CSSStyleSheet* pStyleSheet) { - FXSYS_assert(pStyleSheet != NULL); - if (m_pFixedStore == NULL) { - m_pFixedStore = - FX_CreateAllocator(FX_ALLOCTYPE_Fixed, std::max(10, m_iMaxItems), - sizeof(FDE_CSSCacheItem)); - FXSYS_assert(m_pFixedStore != NULL); - } - auto it = m_Stylesheets.find(szKey); - if (it != m_Stylesheets.end()) { - FDE_CSSCacheItem* pItem = it->second; - if (pItem->pStylesheet != pStyleSheet) { - pItem->pStylesheet->Release(); - pItem->pStylesheet = pStyleSheet; - pItem->pStylesheet->AddRef(); - pItem->dwActivity = 0; - } - } else { - while (static_cast<int32_t>(m_Stylesheets.size()) >= m_iMaxItems) { - RemoveLowestActivityItem(); - } - m_Stylesheets[szKey] = - FXTARGET_NewWith(m_pFixedStore) FDE_CSSCacheItem(pStyleSheet); - } -} -IFDE_CSSStyleSheet* CFDE_CSSStyleSheetCache::GetStyleSheet( - const CFX_ByteStringC& szKey) const { - auto it = m_Stylesheets.find(szKey); - if (it == m_Stylesheets.end()) { - return nullptr; - } - FDE_CSSCacheItem* pItem = it->second; - pItem->dwActivity++; - pItem->pStylesheet->AddRef(); - return pItem->pStylesheet; -} -void CFDE_CSSStyleSheetCache::RemoveStyleSheet(const CFX_ByteStringC& szKey) { - auto it = m_Stylesheets.find(szKey); - if (it == m_Stylesheets.end()) { - return; - } - FXTARGET_DeleteWith(FDE_CSSCacheItem, m_pFixedStore, it->second); - m_Stylesheets.erase(it); -} -void CFDE_CSSStyleSheetCache::RemoveLowestActivityItem() { - auto found = m_Stylesheets.end(); - for (auto it = m_Stylesheets.begin(); it != m_Stylesheets.end(); ++it) { - switch (it->first.GetID()) { - case FXBSTR_ID('#', 'U', 'S', 'E'): - case FXBSTR_ID('#', 'A', 'G', 'E'): - continue; - } - if (found == m_Stylesheets.end() || - it->second->dwActivity > found->second->dwActivity) { - found = it; - } - } - if (found != m_Stylesheets.end()) { - FXTARGET_DeleteWith(FDE_CSSCacheItem, m_pFixedStore, found->second); - m_Stylesheets.erase(found); - } -} -FDE_CSSTagCache::FDE_CSSTagCache(FDE_CSSTagCache* parent, - IFDE_CSSTagProvider* tag) - : pTag(tag), - pParent(parent), - dwIDHash(0), - dwTagHash(0), - iClassIndex(0), - dwClassHashs(1) { - FXSYS_assert(pTag != NULL); - CFX_WideStringC wsValue, wsName = pTag->GetTagName(); - dwTagHash = - FX_HashCode_String_GetW(wsName.GetPtr(), wsName.GetLength(), TRUE); - FX_POSITION pos = pTag->GetFirstAttribute(); - while (pos != NULL) { - pTag->GetNextAttribute(pos, wsName, wsValue); - FX_DWORD dwNameHash = - FX_HashCode_String_GetW(wsName.GetPtr(), wsName.GetLength(), TRUE); - static const FX_DWORD s_dwIDHash = FX_HashCode_String_GetW(L"id", 2, TRUE); - static const FX_DWORD s_dwClassHash = - FX_HashCode_String_GetW(L"class", 5, TRUE); - if (dwNameHash == s_dwClassHash) { - FX_DWORD dwHash = - FX_HashCode_String_GetW(wsValue.GetPtr(), wsValue.GetLength()); - dwClassHashs.Add(dwHash); - } else if (dwNameHash == s_dwIDHash) { - dwIDHash = FX_HashCode_String_GetW(wsValue.GetPtr(), wsValue.GetLength()); - } - } -} -FDE_CSSTagCache::FDE_CSSTagCache(const FDE_CSSTagCache& it) - : pTag(it.pTag), - pParent(it.pParent), - dwIDHash(it.dwIDHash), - dwTagHash(it.dwTagHash), - iClassIndex(0), - dwClassHashs(1) { - if (it.dwClassHashs.GetSize() > 0) { - dwClassHashs.Copy(it.dwClassHashs); - } -} -void CFDE_CSSAccelerator::OnEnterTag(IFDE_CSSTagProvider* pTag) { - FDE_CSSTagCache* pTop = GetTopElement(); - FDE_CSSTagCache item(pTop, pTag); - m_Stack.Push(item); -} -void CFDE_CSSAccelerator::OnLeaveTag(IFDE_CSSTagProvider* pTag) { - FXSYS_assert(m_Stack.GetTopElement()); - FXSYS_assert(m_Stack.GetTopElement()->GetTag() == pTag); - m_Stack.Pop(); -} |