void LoadIniFile(const char *iniFileName)
{
FILE *infile = fopen(iniFileName, "rt");
if (infile != NULL)
{
bool enableSerialPort = false;
bool enableEcho = false;
std::string portName = "COM1";
int baud = 110;
int bytesize = 8;
int parity = 0;
int stopbits = 2;
int crDelayMillis = 0; // delay in milliseconds after sending a carriage return
const int max = 128;
char line [max];
while (fgets(line, max, infile))
{
line[max-1] = '\0';
// Truncate each line at cr, lf, or pound sign.
// Find position of equal sign, if present.
int eqindex = -1;
int firstNonSpaceIndex = -1;
int lastNonSpaceIndex = -1;
for (int i=0; line[i]; ++i)
{
if (line[i]=='\n' || line[i]=='\r' || line[i]=='#')
{
break;
}
if (line[i] == '=')
{
eqindex = i;
}
if (!isspace(line[i]))
{
if (firstNonSpaceIndex < 0)
{
firstNonSpaceIndex = i;
}
lastNonSpaceIndex = i;
}
}
line[1+lastNonSpaceIndex] = '\0';
if (firstNonSpaceIndex >= 0)
{
// Not a blank line. Is its contents valid?
if (eqindex >= 0)
{
line[eqindex] = '\0';
const char *key = line + firstNonSpaceIndex;
const char *value = line + eqindex + 1;
if (0 == stricmp(key, "serial"))
{
enableSerialPort = !!atoi(value);
}
else if (0 == stricmp(key, "port"))
{
portName = value;
}
else if (0 == stricmp(key, "baud"))
{
baud = atoi(value);
}
else if (0 == stricmp(key, "echo"))
{
enableEcho = !!atoi(value);
}
else if (0 == stricmp(key, "upcase"))
{
TheTerminal.setUpperCase(!!atoi(value));
}
else if (0 == stricmp(key, "bytesize"))
{
bytesize = atoi(value);
}
else if (0 == stricmp(key, "parity"))
{
parity = atoi(value);
}
else if (0 == stricmp(key, "stopbits"))
{
stopbits = atoi(value);
}
else if (0 == stricmp(key, "crdelay"))
{
crDelayMillis = atoi(value);
}
else
{
printf("ttychess.ini: Ignoring unknown key '%s'\n", key);
}
}
else
{
printf("ttychess.ini: Ignoring line '%s'\n", line);
}
}
}
fclose(infile);
infile = NULL;
TheTerminal.setCarriageReturnDelayMillis(crDelayMillis);
if (enableSerialPort)
{
printf("Opening serial port %s for %d baud ...\n", portName.c_str(), baud);
TheTerminal.OpenComPort(portName.c_str(), baud, enableEcho, bytesize, parity, stopbits);
}
}
else
{
printf("Note: could not open file '%s'\n", iniFileName);
}
}
