ddnet/src/engine/config.cpp
Jakob Fries 2c158f77b7
2007-06-01 12:15:38 +00:00

86 lines
2 KiB
C++

#include <baselib/system.h>
#include <fstream>
#include <iostream>
#include <cstring>
#include <cstdio>
#include "config.h"
using namespace std;
configuration config;
void config_reset()
{
#define MACRO_CONFIG_INT(name,def,min,max) config.name = def;
#define MACRO_CONFIG_STR(name,len,def) strncpy(config.name, def, len);
#include "config_variables.h"
#undef MACRO_CONFIG_INT
#undef MACRO_CONFIG_STR
}
void config_set(const char *line)
{
char var_str[128];
char *val_str = strchr(line, '=');
if (val_str)
{
memcpy(var_str, line, val_str - line);
var_str[val_str - line] = 0;
++val_str;
#define MACRO_CONFIG_INT(name,def,min,max) { if (strcmp(#name, var_str) == 0) config_set_ ## name (&config, atoi(val_str)); }
#define MACRO_CONFIG_STR(name,len,def) { if (strcmp(#name, var_str) == 0) { config_set_ ## name (&config, val_str); } }
#include "config_variables.h"
#undef MACRO_CONFIG_INT
#undef MACRO_CONFIG_STR
}
}
void config_load(const char *filename)
{
dbg_msg("config/load", "loading %s", filename);
ifstream file(filename);
string line;
if (file)
{
while (getline(file, line))
{
config_set(line.c_str());
}
file.close();
}
}
void config_save(const char *filename)
{
dbg_msg("config/save", "saving config to %s", filename);
ofstream file(filename);
#define MACRO_CONFIG_INT(name,def,min,max) { file << # name << '=' << config.name << endl; }
#define MACRO_CONFIG_STR(name,len,def) { file << # name << '=' << config.name << endl; }
#include "config_variables.h"
#undef MACRO_CONFIG_INT
#undef MACRO_CONFIG_STR
file.close();
}
#define MACRO_CONFIG_INT(name,def,min,max) void config_set_ ## name (configuration *c, int val) { if (val < min) val = min; if (max != 0 && val > max) val = max; c->name = val; }
#define MACRO_CONFIG_STR(name,len,def) void config_set_ ## name (configuration *c, const char *str) { strncpy(c->name, str, len-1); c->name[sizeof(c->name)-1] = 0; }
#include "config_variables.h"
#undef MACRO_CONFIG_INT
#undef MACRO_CONFIG_STR