bool OptionsList::ReadFromStream(const Journalist& jnlst,
std::istream& is)
{
jnlst.Printf(J_DETAILED, J_MAIN, "Start reading options from stream.\n");
while (true) {
std::string tag;
std::string value;
if (!readnexttoken(is, tag)) {
// That's it - end of file reached.
jnlst.Printf(J_DETAILED, J_MAIN,
"Finished reading options from file.\n");
return true;
}
if (!readnexttoken(is, value)) {
// Can't read value for a given tag
jnlst.Printf(J_ERROR, J_MAIN,
"Error reading value for tag %s from file.\n",
tag.c_str());
return false;
}
// Now add the value for the options list
jnlst.Printf(J_DETAILED, J_MAIN,
"Adding option \"%s\" with value \"%s\" to OptionsList.\n",
tag.c_str(), value.c_str());
if (IsValid(reg_options_)) {
SmartPtr<const RegisteredOption> option = reg_options_->GetOption(tag);
if (IsNull(option)) {
std::string msg = "Read Option: ";
msg += tag;
msg += ". It is not a valid option. Check the list of available options.";
THROW_EXCEPTION(OPTION_INVALID, msg);
}
if (option->Type() == OT_String) {
bool result = SetStringValue(tag, value, false);
ASSERT_EXCEPTION(result, OPTION_INVALID,
"Error setting string value read from option file.");
}
else if (option->Type() == OT_Number) {
char* p_end;
Number retval = strtod(value.c_str(), &p_end);
if (*p_end!='\0' && !isspace(*p_end)) {
std::string msg = "Option \"" + tag +
"\": Double value expected, but non-numeric option value \"" +
value + "\" found.\n";
THROW_EXCEPTION(OPTION_INVALID, msg);
}
bool result = SetNumericValue(tag, retval, false);
ASSERT_EXCEPTION(result, OPTION_INVALID,
"Error setting numeric value read from file.");
}
else if (option->Type() == OT_Integer) {
char* p_end;
Index retval = strtol(value.c_str(), &p_end, 10);
if (*p_end!='\0' && !isspace(*p_end)) {
std::string msg = "Option \"" + tag +
"\": Integer value expected, but non-integer option value \"" +
value + "\" found.\n";
if (IsValid(jnlst_)) {
option->OutputDescription(*jnlst_);
}
THROW_EXCEPTION(OPTION_INVALID, msg);
}
bool result = SetIntegerValue(tag, retval, false);
ASSERT_EXCEPTION(result, OPTION_INVALID,
"Error setting integer value read from option file.");
}
else {
DBG_ASSERT(false && "Option Type: Unknown");
}
}
else {
bool result = SetStringValue(tag, value, false);
ASSERT_EXCEPTION(result, OPTION_INVALID,
"Error setting value read from option file.");
}
}
}
bool OptionsList::ReadFromStream(const Journalist& jnlst,
std::istream& is)
{
jnlst.Printf(J_DETAILED, J_MAIN, "Start reading options from stream.\n");
while (true) {
std::string tag;
std::string value;
if (!readnexttoken(is, tag)) {
// That's it - end of file reached.
jnlst.Printf(J_DETAILED, J_MAIN,
"Finished reading options from file.\n");
return true;
}
if (!readnexttoken(is, value)) {
// Can't read value for a given tag
jnlst.Printf(J_ERROR, J_MAIN,
"Error reading value for tag %s from file.\n",
tag.c_str());
return false;
}
// Now add the value for the options list
jnlst.Printf(J_DETAILED, J_MAIN,
"Adding option \"%s\" with value \"%s\" to OptionsList.\n",
tag.c_str(), value.c_str());
if (IsValid(reg_options_)) {
SmartPtr<const RegisteredOption> option = reg_options_->GetOption(tag);
if (IsNull(option)) {
std::string msg = "Read Option: \"";
msg += tag;
msg += "\". It is not a valid option. Check the list of available options.";
THROW_EXCEPTION(OPTION_INVALID, msg);
}
if (option->Type() == OT_String) {
bool result = SetStringValue(tag, value, false);
ASSERT_EXCEPTION(result, OPTION_INVALID,
"Error setting string value read from option file.");
}
else if (option->Type() == OT_Number) {
// Some people like to use 'd' instead of 'e' in floating
// point numbers. Therefore, we change a 'd' to an 'e'
char* buffer = new char[value.length()+1];
strcpy(buffer, value.c_str());
for (int i=0; i<(int)value.length(); ++i) {
if (buffer[i]=='d' || buffer[i]=='D') {
buffer[i] = 'e';
}
}
char* p_end;
Number retval = strtod(buffer, &p_end);
if (*p_end!='\0' && !isspace(*p_end)) {
delete [] buffer;
std::string msg = "Option \"" + tag +
"\": Double value expected, but non-numeric option value \"" +
value + "\" found.\n";
THROW_EXCEPTION(OPTION_INVALID, msg);
}
delete [] buffer;
bool result = SetNumericValue(tag, retval, false);
ASSERT_EXCEPTION(result, OPTION_INVALID,
"Error setting numeric value read from file.");
}
else if (option->Type() == OT_Integer) {
char* p_end;
size_t retval = strtol(value.c_str(), &p_end, 10);
if (*p_end!='\0' && !isspace(*p_end)) {
std::string msg = "Option \"" + tag +
"\": Integer value expected, but non-integer option value \"" +
value + "\" found.\n";
if (IsValid(jnlst_)) {
option->OutputDescription(*jnlst_);
}
THROW_EXCEPTION(OPTION_INVALID, msg);
}
bool result = SetIntegerValue(tag, static_cast<Index>(retval), false);
ASSERT_EXCEPTION(result, OPTION_INVALID,
"Error setting integer value read from option file.");
}
else {
DBG_ASSERT(false && "Option Type: Unknown");
}
}
else {
bool result = SetStringValue(tag, value, false);
ASSERT_EXCEPTION(result, OPTION_INVALID,
"Error setting value read from option file.");
}
}
}
