Simplify file structure

src/dictziplib.hpp

@@ -0,0 +1,55 @@
+#pragma once
+
+#include <ctime>
+#include <string>
+#include <zlib.h>
+
+#include "mapfile.hpp"
+
+
+#define DICT_CACHE_SIZE 5
+
+struct dictCache {
+	int           chunk;
+	char          *inBuffer;
+	int           stamp;
+	int           count;
+};
+
+struct dictData {
+	dictData() {}
+	bool open(const std::string& filename, int computeCRC);
+	void close();
+	void read(char *buffer, unsigned long start, unsigned long size);
+	~dictData() { close(); }
+private:
+	const char    *start;	/* start of mmap'd area */
+	const char    *end;		/* end of mmap'd area */
+	unsigned long size;		/* size of mmap */
+	
+	int           type;
+	z_stream      zStream;
+	int           initialized;
+  
+	int           headerLength;
+	int           method;
+	int           flags;
+	time_t        mtime;
+	int           extraFlags;
+	int           os;
+	int           version;
+	int           chunkLength;
+	int           chunkCount;
+	int           *chunks;
+	unsigned long *offsets;	/* Sum-scan of chunks. */
+	std::string    origFilename;
+	std::string    comment;
+	unsigned long crc;
+	unsigned long length;
+	unsigned long compressedLength;
+	dictCache     cache[DICT_CACHE_SIZE];
+	MapFile mapfile;
+
+	int read_header(const std::string &filename, int computeCRC);
+};
+