looper/file_backend.hpp
2024-09-06 10:06:32 -07:00

75 lines
1.9 KiB
C++

#pragma once
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stddef.h>
#include <SDL.h>
#include <vector>
extern "C" {
#include <vgmstream.h>
}
enum class SeekType {
SET,
CUR,
END
};
class File {
protected:
size_t len;
public:
const char *name;
File(const char *fname);
inline virtual void open(const char *fname) { name = fname; }
virtual void close() = 0;
virtual size_t read(void *ptr, size_t len) = 0;
virtual void seek(size_t pos, SeekType seek_type) = 0;
virtual size_t get_len();
virtual size_t get_pos() = 0;
virtual bool is_open() = 0;
};
class CFile : public File {
protected:
FILE *file;
public:
CFile(const char *fname);
void open(const char *fname) override;
void close() override;
size_t read(void *ptr, size_t len) override;
void seek(size_t pos, SeekType seek_type) override;
size_t get_pos() override;
bool is_open() override;
};
class HttpFile : public File {
std::vector<uint8_t> data;
public:
HttpFile(const char *url);
void open(const char *url) override;
void close() override;
size_t read(void *ptr, size_t len) override;
void seek(size_t pos, SeekType type) override;
size_t get_pos();
bool is_open();
};
#ifdef __ANDROID__
class AndroidFile : public File {
protected:
void *handle;
public:
AndroidFile(const char *fname);
void open(const char *fname) override;
void close() override;
size_t read(void *ptr, size_t len) override;
void seek(size_t pos, SeekType seek_type) override;
size_t get_pos() override;
bool is_open() override;
}
#endif
#ifdef __ANDROID__
#define FILE_TYPE AndroidFile
#else
#define FILE_TYPE CFile
#endif
STREAMFILE *get_sf_from_file(File *file);
SDL_RWops *get_sdl_file(File *file);
File *open_file(const char *fname);
File *open_url(const char *url);