dxx-rebirth/common/include/physfsx.h

314 lines
8.6 KiB
C++

/*
* This file is part of the DXX-Rebirth project <http://www.dxx-rebirth.com/>.
* It is copyright by its individual contributors, as recorded in the
* project's Git history. See COPYING.txt at the top level for license
* terms and a link to the Git history.
*/
/*
*
* Some simple physfs extensions
*
*/
#ifndef PHYSFSX_H
#define PHYSFSX_H
#include <cstddef>
#include <string.h>
#include <stdarg.h>
// When PhysicsFS can *easily* be built as a framework on Mac OS X,
// the framework form will be supported again -kreatordxx
#if 1 //!(defined(__APPLE__) && defined(__MACH__))
#include <physfs.h>
#else
#include <physfs/physfs.h>
#endif
#include "fmtcheck.h"
#include "dxxsconf.h"
#include "dxxerror.h"
#include "vecmat.h"
#include "byteswap.h"
#ifdef __cplusplus
extern void PHYSFSX_init(int argc, char *argv[]);
static inline PHYSFS_sint16 PHYSFSX_readSXE16(PHYSFS_file *file, int swap)
{
PHYSFS_sint16 val;
PHYSFS_read(file, &val, sizeof(val), 1);
return swap ? SWAPSHORT(val) : val;
}
static inline PHYSFS_sint32 PHYSFSX_readSXE32(PHYSFS_file *file, int swap)
{
PHYSFS_sint32 val;
PHYSFS_read(file, &val, sizeof(val), 1);
return swap ? SWAPINT(val) : val;
}
static inline void PHYSFSX_readVectorX(PHYSFS_file *file, vms_vector *v, int swap)
{
v->x = PHYSFSX_readSXE32(file, swap);
v->y = PHYSFSX_readSXE32(file, swap);
v->z = PHYSFSX_readSXE32(file, swap);
}
static inline void PHYSFSX_readAngleVecX(PHYSFS_file *file, vms_angvec *v, int swap)
{
v->p = PHYSFSX_readSXE16(file, swap);
v->b = PHYSFSX_readSXE16(file, swap);
v->h = PHYSFSX_readSXE16(file, swap);
}
static inline int PHYSFSX_writeU8(PHYSFS_file *file, PHYSFS_uint8 val)
{
return PHYSFS_write(file, &val, 1, 1);
}
static inline int PHYSFSX_writeString(PHYSFS_file *file, const char *s)
{
return PHYSFS_write(file, s, 1, strlen(s) + 1);
}
static inline int PHYSFSX_puts(PHYSFS_file *file, const char *s, size_t len) __attribute_nonnull();
static inline int PHYSFSX_puts(PHYSFS_file *file, const char *s, size_t len)
{
return PHYSFS_write(file, s, 1, len);
}
template <size_t len>
static inline int PHYSFSX_puts_literal(PHYSFS_file *file, const char (&s)[len]) __attribute_nonnull();
template <size_t len>
static inline int PHYSFSX_puts_literal(PHYSFS_file *file, const char (&s)[len])
{
return PHYSFSX_puts(file, s, len);
}
#define PHYSFSX_puts(A1,S,...) (PHYSFSX_puts(A1,S, _dxx_call_puts_parameter2(1, ## __VA_ARGS__, strlen(S))))
static inline int PHYSFSX_putc(PHYSFS_file *file, int c)
{
unsigned char ch = (unsigned char)c;
if (PHYSFS_write(file, &ch, 1, 1) < 1)
return -1;
else
return (int)c;
}
static inline int PHYSFSX_fgetc(PHYSFS_file *const fp)
{
unsigned char c;
if (PHYSFS_read(fp, &c, 1, 1) != 1)
return EOF;
return c;
}
static inline int PHYSFSX_fseek(PHYSFS_file *fp, long int offset, int where)
{
int c, goal_position;
switch(where)
{
case SEEK_SET:
goal_position = offset;
break;
case SEEK_CUR:
goal_position = PHYSFS_tell(fp) + offset;
break;
case SEEK_END:
goal_position = PHYSFS_fileLength(fp) + offset;
break;
default:
return 1;
}
c = PHYSFS_seek(fp, goal_position);
return !c;
}
static inline char * PHYSFSX_fgets(char *buf, size_t n, PHYSFS_file *const fp)
{
size_t i;
int c;
for (i = 0; i < n - 1; i++)
{
do
{
c = PHYSFSX_fgetc(fp);
if (c == EOF)
{
*buf = 0;
return NULL;
}
if (c == 0 || c == 10) // Unix line ending
break;
if (c == 13) // Mac or DOS line ending
{
int c1;
c1 = PHYSFSX_fgetc(fp);
if (c1 != EOF) // The file could end with a Mac line ending
PHYSFSX_fseek(fp, -1, SEEK_CUR);
if (c1 == 10) // DOS line ending
continue;
else // Mac line ending
break;
}
} while (c == 13);
if (c == 13) // because cr-lf is a bad thing on the mac
c = '\n'; // and anyway -- 0xod is CR on mac, not 0x0a
if (c == '\n')
break;
*buf++ = c;
}
*buf = 0;
return buf;
}
template <size_t n>
static inline char * PHYSFSX_fgets(char (&buf)[n], PHYSFS_file *const fp)
{
return PHYSFSX_fgets(buf, n, fp);
}
static inline int PHYSFSX_printf(PHYSFS_file *file, const char *format, ...) __attribute_format_printf(2, 3);
static inline int PHYSFSX_printf(PHYSFS_file *file, const char *format, ...)
#define PHYSFSX_printf(A1,F,...) dxx_call_printf_checked(PHYSFSX_printf,PHYSFSX_puts_literal,(A1),(F),##__VA_ARGS__)
{
char buffer[1024];
va_list args;
va_start(args, format);
size_t len = vsnprintf(buffer, sizeof(buffer), format, args);
va_end(args);
return PHYSFSX_puts(file, buffer, len);
}
#define PHYSFSX_writeFix PHYSFS_writeSLE32
#define PHYSFSX_writeFixAng PHYSFS_writeSLE16
static inline int PHYSFSX_writeVector(PHYSFS_file *file, vms_vector *v)
{
if (PHYSFSX_writeFix(file, v->x) < 1 ||
PHYSFSX_writeFix(file, v->y) < 1 ||
PHYSFSX_writeFix(file, v->z) < 1)
return 0;
return 1;
}
static inline int PHYSFSX_writeAngleVec(PHYSFS_file *file, vms_angvec *v)
{
if (PHYSFSX_writeFixAng(file, v->p) < 1 ||
PHYSFSX_writeFixAng(file, v->b) < 1 ||
PHYSFSX_writeFixAng(file, v->h) < 1)
return 0;
return 1;
}
static inline int PHYSFSX_writeMatrix(PHYSFS_file *file, vms_matrix *m)
{
if (PHYSFSX_writeVector(file, &m->rvec) < 1 ||
PHYSFSX_writeVector(file, &m->uvec) < 1 ||
PHYSFSX_writeVector(file, &m->fvec) < 1)
return 0;
return 1;
}
#define define_read_helper(T,N,F) \
static inline T N(const char *func, const unsigned line, PHYSFS_file *file) \
{ \
T i; \
if (!(F)(file, &i)) \
{ \
(Error)(func, line, "reading " #T " in " #N "() at %lu", (unsigned long)((PHYSFS_tell)(file))); \
} \
return i; \
}
static inline sbyte PHYSFSX_readS8(PHYSFS_file *file, sbyte *b)
{
return (PHYSFS_read(file, b, sizeof(*b), 1) == 1);
}
define_read_helper(sbyte, PHYSFSX_readByte, PHYSFSX_readS8);
#define PHYSFSX_readByte(F) ((PHYSFSX_readByte)(__func__, __LINE__, (F)))
define_read_helper(int, PHYSFSX_readInt, PHYSFS_readSLE32);
#define PHYSFSX_readInt(F) ((PHYSFSX_readInt)(__func__, __LINE__, (F)))
define_read_helper(int16_t, PHYSFSX_readShort, PHYSFS_readSLE16);
#define PHYSFSX_readShort(F) ((PHYSFSX_readShort)(__func__, __LINE__, (F)))
define_read_helper(fix, PHYSFSX_readFix, PHYSFS_readSLE32);
#define PHYSFSX_readFix(F) ((PHYSFSX_readFix)(__func__, __LINE__, (F)))
define_read_helper(fixang, PHYSFSX_readFixAng, PHYSFS_readSLE16);
#define PHYSFSX_readFixAng(F) ((PHYSFSX_readFixAng)(__func__, __LINE__, (F)))
static inline void PHYSFSX_readVector(const char *func, const unsigned line, vms_vector *v, PHYSFS_file *file)
{
v->x = (PHYSFSX_readFix)(func, line, file);
v->y = (PHYSFSX_readFix)(func, line, file);
v->z = (PHYSFSX_readFix)(func, line, file);
}
#define PHYSFSX_readVector(V,F) ((PHYSFSX_readVector(__func__, __LINE__, (V), (F))))
static inline void PHYSFSX_readAngleVec(const char *func, const unsigned line, vms_angvec *v, PHYSFS_file *file)
{
v->p = (PHYSFSX_readFixAng)(func, line, file);
v->b = (PHYSFSX_readFixAng)(func, line, file);
v->h = (PHYSFSX_readFixAng)(func, line, file);
}
#define PHYSFSX_readAngleVec(V,F) ((PHYSFSX_readAngleVec(__func__, __LINE__, (V), (F))))
static inline void PHYSFSX_readMatrix(const char *func, const unsigned line, vms_matrix *m,PHYSFS_file *file)
{
(PHYSFSX_readVector)(func, line, &m->rvec,file);
(PHYSFSX_readVector)(func, line, &m->uvec,file);
(PHYSFSX_readVector)(func, line, &m->fvec,file);
}
#define PHYSFSX_readMatrix(M,F) ((PHYSFSX_readMatrix)(__func__, __LINE__, (M), (F)))
#define PHYSFSX_contfile_init PHYSFSX_addRelToSearchPath
#define PHYSFSX_contfile_close PHYSFSX_removeRelFromSearchPath
typedef char file_extension_t[5];
int PHYSFSX_checkMatchingExtension(const file_extension_t *exts, const char *filename) __attribute_nonnull();
extern int PHYSFSX_addRelToSearchPath(const char *relname, int add_to_end);
extern int PHYSFSX_removeRelFromSearchPath(const char *relname);
extern int PHYSFSX_fsize(const char *hogname);
extern void PHYSFSX_listSearchPathContent();
extern int PHYSFSX_checkSupportedArchiveTypes();
extern int PHYSFSX_getRealPath(const char *stdPath, char *realPath);
extern int PHYSFSX_isNewPath(const char *path);
extern int PHYSFSX_rename(const char *oldpath, const char *newpath);
extern char **PHYSFSX_findFiles(const char *path, const file_extension_t *exts) __attribute_nonnull();
extern char **PHYSFSX_findabsoluteFiles(const char *path, const char *realpath, const file_extension_t *exts) __attribute_nonnull();
extern PHYSFS_sint64 PHYSFSX_getFreeDiskSpace();
extern int PHYSFSX_exists(const char *filename, int ignorecase);
extern PHYSFS_file *PHYSFSX_openReadBuffered(const char *filename);
extern PHYSFS_file *PHYSFSX_openWriteBuffered(const char *filename);
extern void PHYSFSX_addArchiveContent();
extern void PHYSFSX_removeArchiveContent();
#endif
#endif /* PHYSFSX_H */