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/*
** Haaf's Game Engine 1.8
** Copyright (C) 2003-2007, Relish Games
** hge.relishgames.com
**
** Core functions implementation: unix ini file
*/
#include "hge_impl.h"
const char *HGE_Impl::_BuildProfilePath(const char *section, const char *name, const char *szIniFile)
{
// !!! FIXME: not efficient.
static char path[_MAX_PATH];
const char *home = getenv("HOME");
strcpy(path, home);
mkdir(path, S_IRWXU);
#if PLATFORM_MACOSX
strcat(path, "/Library");
mkdir(path, S_IRWXU);
strcat(path, "/Application Support");
mkdir(path, S_IRWXU);
strcat(path, "/");
strcat(path, szWinTitle);
mkdir(path, S_IRWXU);
#else
strcat(path, "/.");
strcat(path, szWinTitle);
mkdir(path, S_IRWXU);
#endif
strcat(path, "/inis");
mkdir(path, S_IRWXU);
strcat(path, "/");
strcat(path, szIniFile);
mkdir(path, S_IRWXU);
strcat(path, "/");
strcat(path, section);
mkdir(path, S_IRWXU);
strcat(path, "/");
strcat(path, name);
return path;
}
bool HGE_Impl::_WritePrivateProfileString(const char *section, const char *name, const char *buf, const char *szIniFile)
{
const char *path = _BuildProfilePath(section, name, szIniFile);
FILE *io = fopen(path, "wb");
if (io == NULL)
return false;
const size_t rc = fwrite(buf, strlen(buf), 1, io);
if (fclose(io) == EOF)
return false;
return (rc == 1);
}
bool HGE_Impl::_GetPrivateProfileString(const char *section, const char *name, const char *deflt, char *buf, size_t bufsize, const char *szIniFile)
{
bool retval = false;
const char *path = _BuildProfilePath(section, name, szIniFile);
FILE *io = fopen(path, "rb");
if (io != NULL)
{
const size_t rc = fread(buf, 1, bufsize-1, io);
retval = (ferror(io) == 0);
fclose(io);
if (retval)
buf[rc] = '\0';
}
if (!retval)
snprintf(buf, bufsize, "%s", deflt);
return retval;
}
// We parse the usual .ini files, and build them into our directory tree when items don't exist.
// !!! FIXME: this code sort of stinks. In fact, the whole directory tree thing could be a mistake...
void HGE_Impl::_LoadIniFile(const char *fname)
{
char section[128] = { 0 };
struct stat statbuf;
if (stat(fname, &statbuf) == -1)
return;
FILE *io = fopen(fname, "rb");
char *buf = new char[statbuf.st_size + 1];
size_t rc = fread(buf, statbuf.st_size, 1, io);
buf[statbuf.st_size] = '\0';
fclose(io);
if (rc == 1)
{
char *start = buf;
char *ptr = start;
while (start <= (buf + statbuf.st_size))
{
while ((*ptr != '\r') && (*ptr != '\n') && (*ptr != '\0'))
ptr++;
*ptr = '\0';
while ((*start == ' ') || (*start == '\t') || (*start == '\r') || (*start == '\n'))
start++;
if ((*start == ';') || (*start == '\0')) // comment or empty line.
;
else if (*start == '[') // section
{
start++;
char *end = strchr(start, ']');
if (end != NULL)
{
*end = '\0';
snprintf(section, sizeof (section), "%s", start);
}
}
else if (section[0] != '\0')
{
char *eq = strchr(start, '=');
if (eq != NULL)
{
*eq = '\0';
eq++;
char tmpbuf[128];
if (!_GetPrivateProfileString(section, start, "", tmpbuf, sizeof (tmpbuf), fname))
_WritePrivateProfileString(section, start, eq, fname);
}
}
ptr++;
start = ptr;
}
}
delete[] buf;
}
void CALL HGE_Impl::Ini_SetInt(const char *section, const char *name, int value)
{
char buf[256];
if(szIniFile[0]) {
sprintf(buf,"%d",value);
_WritePrivateProfileString(section, name, buf, szIniFile);
}
}
int CALL HGE_Impl::Ini_GetInt(const char *section, const char *name, int def_val)
{
char buf[256];
if(szIniFile[0]) {
if(_GetPrivateProfileString(section, name, "", buf, sizeof(buf), szIniFile))
{ return atoi(buf); }
else { return def_val; }
}
return def_val;
}
void CALL HGE_Impl::Ini_SetFloat(const char *section, const char *name, float value)
{
char buf[256];
if(szIniFile[0]) {
sprintf(buf,"%f",value);
_WritePrivateProfileString(section, name, buf, szIniFile);
}
}
float CALL HGE_Impl::Ini_GetFloat(const char *section, const char *name, float def_val)
{
char buf[256];
if(szIniFile[0]) {
if(_GetPrivateProfileString(section, name, "", buf, sizeof(buf), szIniFile))
{ return (float)atof(buf); }
else { return def_val; }
}
return def_val;
}
void CALL HGE_Impl::Ini_SetString(const char *section, const char *name, const char *value)
{
if(szIniFile[0]) _WritePrivateProfileString(section, name, value, szIniFile);
}
char* CALL HGE_Impl::Ini_GetString(const char *section, const char *name, const char *def_val)
{
if(szIniFile[0]) _GetPrivateProfileString(section, name, def_val, szIniString, sizeof(szIniString), szIniFile);
else strcpy(szIniString, def_val);
return szIniString;
}
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