63 lines
1.2 KiB
C++
63 lines
1.2 KiB
C++
#ifndef NXS_MFILE_H
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#define NXS_MFILE_H
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#include <string>
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#include <vector>
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#include "file.h"
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#include "nxstypes.h"
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namespace nxs {
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/*#ifdef WIN32
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typedef __int64 int64;
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#else
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typedef unsigned long long int64;
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#endif*/
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#define MFILE_MAX_SIZE (1<<30)
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class MFile {
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public:
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MFile() {}
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~MFile() { Close(); }
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//max is so default is 1 G
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bool Create(const std::string &filename,
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unsigned int max_file_size = MFILE_MAX_SIZE);
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bool Load(const std::string &filename, bool readonly = false);
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void Close();
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void Delete();
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int64 Length() { return _size; }
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void Redim(int64 size);
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void SetPosition(int64 pos);
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void ReadBuffer(void *data, unsigned int size);
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void WriteBuffer(void *data, unsigned int size);
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bool Opened() { return files.size() > 0; }
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bool IsReadOnly() { return readonly; }
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void SetReadOnly(bool rd) { readonly = rd; } //USE WITH CARE!!!!
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protected:
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std::string filename;
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std::vector<File *> files;
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unsigned int curr_pos;
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unsigned int curr_fp;
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int64 _size;
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unsigned int max_size;
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bool readonly;
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private:
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//all theese refer to the last in the fp.
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bool AddFile();
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void RemoveFile();
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void RedimLast(unsigned int sz);
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unsigned int GetSize();
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std::string Name(unsigned int n);
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};
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}
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#endif
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