| // 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_FDE_CSS_FDE_CSSCACHE_H_ |
| #define XFA_FDE_CSS_FDE_CSSCACHE_H_ |
| |
| #include <map> |
| |
| #include "xfa/fde/css/fde_css.h" |
| #include "xfa/fgas/crt/fgas_memory.h" |
| |
| class FDE_CSSCacheItem : public CFX_Target { |
| public: |
| explicit FDE_CSSCacheItem(IFDE_CSSStyleSheet* p); |
| ~FDE_CSSCacheItem() override; |
| |
| IFDE_CSSStyleSheet* pStylesheet; |
| uint32_t dwActivity; |
| }; |
| |
| class FDE_CSSTagCache : public CFX_Target { |
| public: |
| FDE_CSSTagCache(FDE_CSSTagCache* parent, CXFA_CSSTagProvider* tag); |
| FDE_CSSTagCache(const FDE_CSSTagCache& it); |
| ~FDE_CSSTagCache() override; |
| |
| FDE_CSSTagCache* GetParent() const { return pParent; } |
| CXFA_CSSTagProvider* GetTag() const { return pTag; } |
| |
| uint32_t HashID() const { return dwIDHash; } |
| uint32_t HashTag() const { return dwTagHash; } |
| int32_t CountHashClass() const { return dwClassHashs.GetSize(); } |
| |
| void SetClassIndex(int32_t index) { iClassIndex = index; } |
| uint32_t HashClass() const { |
| return iClassIndex < dwClassHashs.GetSize() |
| ? dwClassHashs.GetAt(iClassIndex) |
| : 0; |
| } |
| |
| protected: |
| CXFA_CSSTagProvider* pTag; |
| FDE_CSSTagCache* pParent; |
| uint32_t dwIDHash; |
| uint32_t dwTagHash; |
| int32_t iClassIndex; |
| CFX_BaseArrayTemplate<uint32_t> dwClassHashs; |
| }; |
| |
| class CFDE_CSSAccelerator : public CFX_Target { |
| public: |
| CFDE_CSSAccelerator(); |
| ~CFDE_CSSAccelerator() override; |
| |
| void OnEnterTag(CXFA_CSSTagProvider* pTag); |
| void OnLeaveTag(CXFA_CSSTagProvider* pTag); |
| |
| void Clear() { m_Stack.RemoveAll(FALSE); } |
| |
| FDE_CSSTagCache* GetTopElement() const { return m_Stack.GetTopElement(); } |
| |
| protected: |
| CFX_ObjectStackTemplate<FDE_CSSTagCache> m_Stack; |
| }; |
| |
| #endif // XFA_FDE_CSS_FDE_CSSCACHE_H_ |