Files
kichikuou_system3-sdl2/src/fileio.cpp
T

92 lines
1.7 KiB
C++

/*
ALICE SOFT SYSTEM 3 for Win32
[ File I/O ]
*/
#include "fileio.h"
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#ifndef _WIN32
#include <dirent.h>
#endif
#ifdef __EMSCRIPTEN__
#include <emscripten.h>
#endif
std::string FILEIO::savedir = ".";
namespace {
std::string FindFile(const std::string& dir, const char* filename) {
std::string path = dir + "/" + filename;
#ifndef _WIN32
// Case-insensitive search for files in `dir`.
DIR* d = opendir(dir.c_str());
if (!d)
return path;
while (struct dirent* entry = readdir(d)) {
if (strcasecmp(filename, entry->d_name) == 0)
path = dir + "/" + entry->d_name;
}
closedir(d);
#endif
return path;
}
} // namespace
void FILEIO::set_savedir(const std::string& dir)
{
savedir = dir;
while (!savedir.empty() && savedir.back() == '/')
savedir.pop_back();
}
int FILEIO::stat_save(const char* filename, struct stat* buf)
{
return stat(FindFile(savedir, filename).c_str(), buf);
}
FILEIO::~FILEIO(void)
{
fclose(fp);
#ifdef __EMSCRIPTEN__
if (mode_ & FILEIO_WRITE_BINARY)
EM_ASM( xsystem35.shell.syncfs(); );
#endif
}
// static
std::unique_ptr<FILEIO> FILEIO::open(const char *file_name, int mode)
{
std::string path =
FindFile((mode & FILEIO_SAVEDATA) ? savedir : ".", file_name);
mode &= ~FILEIO_SAVEDATA;
FILE* fp = NULL;
if(mode == FILEIO_READ_BINARY) {
fp = fopen(path.c_str(), "rb");
} else if(mode == FILEIO_WRITE_BINARY) {
fp = fopen(path.c_str(), "wb");
}
return fp ? std::unique_ptr<FILEIO>(new FILEIO(fp, mode)) : nullptr;
}
std::string FILEIO::gets()
{
std::string s;
for (;;) {
int c = getc();
if (c == '\r' || c == EOF)
break;
if(c != '\n')
s.push_back(c);
}
return s;
}