bool isOpened() const;
File::Mode mode() const;
+
std::string filename() const;
bool open(const std::string &filename, File::Mode mode);
bool m_isOpened;
};
+inline bool File::isOpened() const
+{
+ return m_isOpened;
+}
+
+inline File::Mode File::mode() const
+{
+ return m_mode;
+}
+
+inline std::string File::filename() const
+{
+ return m_filename;
+}
+
+inline bool File::open(const std::string &filename, File::Mode mode)
+{
+ if (m_isOpened) {
+ close();
+ }
+ m_isOpened = rawOpen(filename, mode);
+ m_mode = mode;
+
+ return m_isOpened;
+}
+
+inline bool File::write(const void *buffer, int length)
+{
+ if (!m_isOpened || m_mode != File::Write) {
+ return false;
+ }
+ return rawWrite(buffer, length);
+}
+
+inline bool File::read(void *buffer, int length)
+{
+ if (!m_isOpened || m_mode != File::Read) {
+ return false;
+ }
+ return rawRead(buffer, length);
+}
+
+inline void File::close()
+{
+ if (m_isOpened) {
+ rawClose();
+ m_isOpened = false;
+ }
+}
+
+inline void File::flush(File::FlushType type)
+{
+ rawFlush(type);
+}
+
+inline int File::getc()
+{
+ if (!m_isOpened || m_mode != File::Read) {
+ return 0;
+ }
+ return rawGetc();
+}
+
class ZLibFile : public File {
public:
ZLibFile(const std::string &filename = std::string(),
void *m_gzFile;
};
-namespace snappy {
- class File;
-}
-
-#define SNAPPY_CHUNK_SIZE (1 * 1024 * 1024)
-class SnappyFile : public File {
-public:
- SnappyFile(const std::string &filename = std::string(),
- File::Mode mode = File::Read);
- virtual ~SnappyFile();
-
-protected:
- virtual bool rawOpen(const std::string &filename, File::Mode mode);
- virtual bool rawWrite(const void *buffer, int length);
- virtual bool rawRead(void *buffer, int length);
- virtual int rawGetc();
- virtual void rawClose();
- virtual void rawFlush(FlushType type);
-
-private:
- inline int freeCacheSize() const
- {
- if (m_cacheSize > 0)
- return m_cacheSize - (m_cachePtr - m_cache);
- else
- return 0;
- }
- void flushCache();
- void createCache(size_t size);
-private:
- std::fstream m_stream;
- char *m_cache;
- char *m_cachePtr;
- size_t m_cacheSize;
-
- char *m_compressedCache;
-};
-
-
}
#endif