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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
#include "config_values.h"
#include "config.h"
ConfigValues::set_value_result_t
ConfigValues::set_value(const std::string& key,
Option::value_t&& new_value,
int level)
{
if (auto p = values.find(key); p != values.end()) {
auto q = p->second.find(level);
if (q != p->second.end()) {
if (new_value == q->second) {
return SET_NO_CHANGE;
}
q->second = std::move(new_value);
} else {
p->second[level] = std::move(new_value);
}
if (p->second.rbegin()->first > level) {
// there was a higher priority value; no effect
return SET_NO_EFFECT;
} else {
return SET_HAVE_EFFECT;
}
} else {
values[key][level] = std::move(new_value);
return SET_HAVE_EFFECT;
}
}
int ConfigValues::rm_val(const std::string& key, int level)
{
auto i = values.find(key);
if (i == values.end()) {
return -ENOENT;
}
auto j = i->second.find(level);
if (j == i->second.end()) {
return -ENOENT;
}
bool matters = (j->first == i->second.rbegin()->first);
i->second.erase(j);
if (matters) {
return SET_HAVE_EFFECT;
} else {
return SET_NO_EFFECT;
}
}
std::pair<Option::value_t, bool>
ConfigValues::get_value(const std::string& name, int level) const
{
auto p = values.find(name);
if (p != values.end() && !p->second.empty()) {
// use highest-priority value available (see CONF_*)
if (level < 0) {
return {p->second.rbegin()->second, true};
} else if (auto found = p->second.find(level);
found != p->second.end()) {
return {found->second, true};
}
}
return {Option::value_t{}, false};
}
void ConfigValues::set_logging(int which, const char* val)
{
int log, gather;
int r = sscanf(val, "%d/%d", &log, &gather);
if (r >= 1) {
if (r < 2) {
gather = log;
}
subsys.set_log_level(which, log);
subsys.set_gather_level(which, gather);
}
}
bool ConfigValues::contains(const std::string& key) const
{
return values.count(key);
}
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