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winamp/Src/replicant/nx/win/nxfile.h
2024-09-24 14:54:57 +02:00

116 lines
4.4 KiB
C

#pragma once
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#include "../../nx/nxapi.h"
#include <stdio.h> // for FILE
#include "../../nx/nxuri.h"
#include <io.h>
#include <fcntl.h>
#include "../../nx/nxtime.h"
#include "../../foundation/error.h"
#include "../../jnetlib/jnetlib.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct nx_file_stat_s
{
nx_time_unix_64_t creation_time;
nx_time_unix_64_t access_time;
nx_time_unix_64_t modified_time;
uint64_t file_size;
} nx_file_stat_s, *nx_file_stat_t;
typedef enum
{
nx_file_FILE_none = 0,
nx_file_FILE_binary = (1 << 0),
nx_file_FILE_read_text= (1 << 1),
nx_file_FILE_read_binary=nx_file_FILE_read_text|nx_file_FILE_binary,
nx_file_FILE_write_text=(1 << 2),
nx_file_FILE_write_binary=nx_file_FILE_write_text|nx_file_FILE_binary,
nx_file_FILE_update_text=(1 << 3),
nx_file_FILE_update_binary=nx_file_FILE_update_text|nx_file_FILE_binary,
nx_file_FILE_readwrite_text=(1 << 4),
nx_file_FILE_readwrite_binary=nx_file_FILE_readwrite_text|nx_file_FILE_binary,
nx_file_FILE_writable_mask = nx_file_FILE_write_text|nx_file_FILE_update_text|nx_file_FILE_readwrite_text,
} nx_file_FILE_flags_t;
static const int nx_file_O_BINARY=_O_BINARY;
static const int nx_file_O_WRONLY=_O_WRONLY;
static const int nx_file_O_RDONLY=_O_RDONLY;
static FILE *NXFile_fopen(nx_uri_t filename, nx_file_FILE_flags_t flags)
{
if (filename)
{
if (flags == nx_file_FILE_read_binary)
{
return _wfopen(filename->string, L"rb");
}
else if (flags == nx_file_FILE_write_binary)
{
return _wfopen(filename->string, L"wb");
}
else if (flags == nx_file_FILE_update_binary)
{
return _wfopen(filename->string, L"r+b");
}
else if (flags == nx_file_FILE_readwrite_binary)
{
return _wfopen(filename->string, L"w+b");
}
}
return 0;
}
/* returns a file descriptor */
static int NXFile_open(nx_uri_t filename, int flags)
{
return _wopen(filename->string, flags);
}
NX_API ns_error_t NXFile_move(nx_uri_t destination, nx_uri_t source);
NX_API ns_error_t NXFile_unlink(nx_uri_t filename);
NX_API ns_error_t NXFile_stat(nx_uri_t filename, nx_file_stat_t file_stats);
NX_API ns_error_t NXFile_statFILE(FILE *f, nx_file_stat_t file_stats);
NX_API ns_error_t NXFile_fstat(int file_descriptor, nx_file_stat_t file_stats);
/* --------------------------------------------------------------------------- */
typedef struct nx_file_s { size_t dummy; } *nx_file_t;
NX_API ns_error_t NXFileOpenFile(nx_file_t *out_file, nx_uri_t filename, nx_file_FILE_flags_t flags);
NX_API ns_error_t NXFileOpenProgressiveDownloader(nx_file_t *out_file, nx_uri_t filename, nx_file_FILE_flags_t flags, jnl_http_t http, const char *user_agent);
NX_API ns_error_t NXFileOpenZip(nx_file_t *out_file, nx_uri_t filename, nx_string_t extension_hint);
NX_API nx_file_t NXFileRetain(nx_file_t f);
NX_API void NXFileRelease(nx_file_t f);
/* the implementation of this function will only return NErr_EndOfFile if 0 bytes were read.
when *bytes_read < bytes_requested, it's likely that the file is at the end, but it will still return NErr_Success
until the next call */
NX_API ns_error_t NXFileRead(nx_file_t f, void *buffer, size_t bytes_requested, size_t *bytes_read);
NX_API ns_error_t NXFileWrite(nx_file_t f, const void *buffer, size_t bytes);
NX_API ns_error_t NXFileSeek(nx_file_t f, uint64_t position);
NX_API ns_error_t NXFileTell(nx_file_t f, uint64_t *position);
NX_API ns_error_t NXFileLockRegion(nx_file_t _f, uint64_t start_position, uint64_t end_position);
NX_API ns_error_t NXFileUnlockRegion(nx_file_t _f);
/* file_stats does _not_ take into account the current region */
NX_API ns_error_t NXFileStat(nx_file_t f, nx_file_stat_t file_stats);
/* returns the length of the file given the current region */
NX_API ns_error_t NXFileLength(nx_file_t f, uint64_t *length);
/* returns NErr_True, NErr_False, or possibly some error */
NX_API ns_error_t NXFileEndOfFile(nx_file_t f);
/* this exists as a one-off for nsmp4. hopefully we can get rid of it */
NX_API ns_error_t NXFilePeekByte(nx_file_t f, uint8_t *byte);
NX_API ns_error_t NXFileSync(nx_file_t f);
NX_API ns_error_t NXFileTruncate(nx_file_t f);
/* only valid for Progressive Downloader objects */
NX_API ns_error_t NXFileProgressiveDownloaderAvailable(nx_file_t f, uint64_t size, uint64_t *available);
#ifdef __cplusplus
}
#endif