| //======================================================================== |
| // |
| // PopplerCache.h |
| // |
| // This file is licensed under the GPLv2 or later |
| // |
| // Copyright (C) 2009 Koji Otani <sho@bbr.jp> |
| // Copyright (C) 2009, 2010, 2017 Albert Astals Cid <aacid@kde.org> |
| // Copyright (C) 2010 Carlos Garcia Campos <carlosgc@gnome.org> |
| // |
| //======================================================================== |
| |
| #ifndef POPPLER_CACHE_H |
| #define POPPLER_CACHE_H |
| |
| #include "Object.h" |
| |
| class PopplerCacheItem |
| { |
| public: |
| virtual ~PopplerCacheItem(); |
| }; |
| |
| class PopplerCacheKey |
| { |
| public: |
| virtual ~PopplerCacheKey(); |
| virtual bool operator==(const PopplerCacheKey &key) const = 0; |
| }; |
| |
| class PopplerCache |
| { |
| public: |
| PopplerCache(int cacheSizeA); |
| ~PopplerCache(); |
| |
| /* The item returned is owned by the cache */ |
| PopplerCacheItem *lookup(const PopplerCacheKey &key); |
| |
| /* The key and item pointers ownership is taken by the cache */ |
| void put(PopplerCacheKey *key, PopplerCacheItem *item); |
| |
| /* The max size of the cache */ |
| int size(); |
| |
| /* The number of items in the cache */ |
| int numberOfItems(); |
| |
| /* The n-th item in the cache */ |
| PopplerCacheItem *item(int index); |
| |
| /* The n-th key in the cache */ |
| PopplerCacheKey *key(int index); |
| |
| private: |
| PopplerCache(const PopplerCache &cache); // not allowed |
| |
| PopplerCacheKey **keys; |
| PopplerCacheItem **items; |
| int lastValidCacheIndex; |
| int cacheSize; |
| }; |
| |
| class PopplerObjectCache |
| { |
| public: |
| PopplerObjectCache (int cacheSizeA, XRef *xrefA); |
| ~PopplerObjectCache(); |
| |
| Object *put(const Ref &ref); |
| Object lookup(const Ref &ref); |
| |
| private: |
| XRef *xref; |
| PopplerCache *cache; |
| }; |
| |
| #endif |