template<typename T> static void writeVar(libconfig::Setting& setting, const char* key, T val) {
//info("writeVal %s", key);
const char* sep = strchr(key, '.');
if (sep) {
assert(*sep == '.');
uint32_t plen = (size_t)(sep-key);
char prefix[plen+1];
strncpy(prefix, key, plen);
prefix[plen] = 0;
// libconfig strdups all passed strings, so it's fine that prefix is local.
if (!setting.exists(prefix)) {
try {
setting.add((const char*)prefix, SType::TypeGroup);
} catch (libconfig::SettingNameException sne) {
panic("libconfig error adding group setting %s", prefix);
}
}
libconfig::Setting& child = setting[(const char*)prefix];
writeVar(child, sep+1, val);
} else {
if (!setting.exists(key)) {
try {
setting.add(key, getSType<T>()) = val;
} catch (libconfig::SettingNameException sne) {
panic("libconfig error adding leaf setting %s", key);
}
} else {
//If this panics, what the hell are you doing in the code? Multiple reads and different defaults??
T origVal = setting[key];
if (!getEq(val, origVal)) panic("Duplicate writes to out config key %s with different values!", key);
}
}
}
// Helper function: Add "*"-prefixed vars, which are used by our scripts but not zsim, to outCfg
// Returns number of copied vars
static uint32_t copyNonSimVars(libconfig::Setting& s1, libconfig::Setting& s2, std::string prefix) {
uint32_t copied = 0;
for (uint32_t i = 0; i < (uint32_t)s1.getLength(); i++) {
const char* name = s1[i].getName();
if (name[0] == '*') {
if (s2.exists(name)) panic("Setting %s was read, should be private", (prefix + name).c_str());
// This could be as simple as:
//s2.add(s1[i].getType()) = s1[i];
// However, because Setting kinda sucks, we need to go type by type:
libconfig::Setting& ns = s2.add(name, s1[i].getType());
if (libconfig::Setting::Type::TypeInt == s1[i].getType()) ns = (int) s1[i];
else if (libconfig::Setting::Type::TypeInt64 == s1[i].getType()) ns = (lc_int64) s1[i];
else if (libconfig::Setting::Type::TypeBoolean == s1[i].getType()) ns = (bool) s1[i];
else if (libconfig::Setting::Type::TypeString == s1[i].getType()) ns = (const char*) s1[i];
else panic("Unknown type for priv setting %s, cannot copy", (prefix + name).c_str());
copied++;
}
if (s1[i].isGroup() && s2.exists(name)) {
copied += copyNonSimVars(s1[i], s2[name], prefix + name + ".");
}
}
return copied;
}