#include <climits>
#include <functional>
+#include <map>
#include <stdexcept>
#include <string>
-#include <typeinfo>
#include <type_traits>
+#include <typeinfo>
#include <vector>
#include <xbt/ex.hpp>
#include "xbt/misc.h"
#include "xbt/sysdep.h"
#include "xbt/log.h"
-#include "xbt/ex.h"
#include "xbt/dynar.h"
-#include "xbt/dict.h"
-
-// *****
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_cfg, xbt, "configuration support");
bool isDefault() const { return isdefault; }
std::string const& getDescription() const { return desc; }
+ std::string const& getKey() const { return key; }
};
// **** TypedConfigurationElement<T> ****
class Config {
private:
// name -> ConfigElement:
- xbt_dict_t options;
+ std::map<std::string, simgrid::config::ConfigurationElement*> options;
// alias -> xbt_dict_elm_t from options:
- xbt_dict_t aliases;
- bool warn_for_aliases;
+ std::map<std::string, simgrid::config::ConfigurationElement*> aliases;
+ bool warn_for_aliases = true;
public:
- Config();
+ Config() = default;
~Config();
// No copy:
simgrid::config::TypedConfigurationElement<T>*
registerOption(const char* name, A&&... a)
{
- xbt_assert(xbt_dict_get_or_null(this->options, name) == nullptr,
- "Refusing to register the config element '%s' twice.", name);
- TypedConfigurationElement<T>* variable =
- new TypedConfigurationElement<T>(name, std::forward<A>(a)...);
- XBT_DEBUG("Register cfg elm %s (%s) of type %s @%p in set %p)",
- name,
- variable->getDescription().c_str(),
+ xbt_assert(options.find(name) == options.end(), "Refusing to register the config element '%s' twice.", name);
+ TypedConfigurationElement<T>* variable = new TypedConfigurationElement<T>(name, std::forward<A>(a)...);
+ XBT_DEBUG("Register cfg elm %s (%s) of type %s @%p in set %p)", name, variable->getDescription().c_str(),
variable->getTypeName(), variable, this);
- xbt_dict_set(this->options, name, variable, nullptr);
+ options.insert({name, variable});
variable->update();
return variable;
}
void help();
protected:
- xbt_dictelm_t getDictElement(const char* name);
+ ConfigurationElement* getDictElement(const char* name);
};
-/* Internal stuff used in cache to free a variable */
-static void xbt_cfgelm_free(void *data)
-{
- if (data)
- delete (simgrid::config::ConfigurationElement*) data;
-}
-
-Config::Config()
- : options(xbt_dict_new_homogeneous(xbt_cfgelm_free))
- , aliases(xbt_dict_new_homogeneous(nullptr))
- , warn_for_aliases(true)
-{}
-
Config::~Config()
{
XBT_DEBUG("Frees cfg set %p", this);
- xbt_dict_free(&this->options);
- xbt_dict_free(&this->aliases);
+ for (auto elm : options)
+ delete elm.second;
}
-inline
-xbt_dictelm_t Config::getDictElement(const char* name)
+inline ConfigurationElement* Config::getDictElement(const char* name)
{
- // We are interested in the options dictelm:
- xbt_dictelm_t res = xbt_dict_get_elm_or_null(options, name);
- if (res)
- return res;
- // The aliases dict stores pointers to the options dictelm:
- res = (xbt_dictelm_t) xbt_dict_get_or_null(aliases, name);
- if (res && warn_for_aliases)
- XBT_INFO("Option %s has been renamed to %s. Consider switching.", name, res->key);
- return res;
+ try {
+ return options.at(name);
+ } catch (std::out_of_range& unfound) {
+ try {
+ ConfigurationElement* res = aliases.at(name);
+ if (warn_for_aliases)
+ XBT_INFO("Option %s has been renamed to %s. Consider switching.", name, res->getKey().c_str());
+ return res;
+ } catch (std::out_of_range& missing_key) {
+ throw simgrid::config::missing_key_error(std::string("Bad config key: ") + name);
+ }
+ }
}
-inline
-ConfigurationElement& Config::operator[](const char* name)
+inline ConfigurationElement& Config::operator[](const char* name)
{
- xbt_dictelm_t elm = getDictElement(name);
- if (elm == nullptr)
- throw simgrid::config::missing_key_error(std::string("Bad config key, ") + name);
- return *(ConfigurationElement*)elm->content;
+ return *(getDictElement(name));
}
void Config::alias(const char* realname, const char* aliasname)
{
- xbt_assert(this->getDictElement(aliasname) == nullptr, "Alias '%s' already.", aliasname);
- xbt_dictelm_t element = this->getDictElement(realname);
+ xbt_assert(aliases.find(aliasname) == aliases.end(), "Alias '%s' already.", aliasname);
+ ConfigurationElement* element = this->getDictElement(realname);
xbt_assert(element, "Cannot define an alias to the non-existing option '%s'.", realname);
- xbt_dict_set(this->aliases, aliasname, element, nullptr);
+ this->aliases.insert({aliasname, element});
}
/** @brief Dump a config set for debuging purpose
*/
void Config::dump(const char *name, const char *indent)
{
- xbt_dict_t dict = this->options;
- xbt_dict_cursor_t cursor = nullptr;
- simgrid::config::ConfigurationElement* variable = nullptr;
- char *key = nullptr;
-
if (name)
printf("%s>> Dumping of the config set '%s':\n", indent, name);
- xbt_dict_foreach(dict, cursor, key, variable)
- printf("%s %s: ()%s) %s", indent, key,
- variable->getTypeName(),
- variable->getStringValue().c_str());
+ for (auto elm : options)
+ printf("%s %s: ()%s) %s", indent, elm.first.c_str(), elm.second->getTypeName(),
+ elm.second->getStringValue().c_str());
if (name)
printf("%s<< End of the config set '%s'\n", indent, name);
fflush(stdout);
-
- xbt_dict_cursor_free(&cursor);
}
/** @brief Displays the declared aliases and their description */
void Config::showAliases()
{
- xbt_dict_cursor_t dict_cursor;
- xbt_dictelm_t dictel;
- char *name;
- std::vector<char*> names;
-
- xbt_dict_foreach(this->aliases, dict_cursor, name, dictel)
- names.push_back(name);
- std::sort(begin(names), end(names), [](char* a, char* b) { return strcmp(a, b) < 0; });
-
bool old_warn_for_aliases = false;
std::swap(warn_for_aliases, old_warn_for_aliases);
- for (auto name : names)
- printf(" %s: %s\n", name, (*this)[name].getDescription().c_str());
+ for (auto elm : aliases)
+ printf(" %s: %s\n", elm.first.c_str(), (*this)[elm.first.c_str()].getDescription().c_str());
std::swap(warn_for_aliases, old_warn_for_aliases);
}
/** @brief Displays the declared options and their description */
void Config::help()
{
- xbt_dict_cursor_t dict_cursor;
- simgrid::config::ConfigurationElement* variable;
- char *name;
- std::vector<char*> names;
-
- xbt_dict_foreach(this->options, dict_cursor, name, variable)
- names.push_back(name);
- std::sort(begin(names), end(names), [](char* a, char* b) { return strcmp(a, b) < 0; });
-
- for (auto name : names) {
- variable = (simgrid::config::ConfigurationElement*) xbt_dict_get(this->options, name);
- printf(" %s: %s\n", name, variable->getDescription().c_str());
+ for (auto elm : options) {
+ simgrid::config::ConfigurationElement* variable = this->options.at(elm.first);
+ printf(" %s: %s\n", elm.first.c_str(), variable->getDescription().c_str());
printf(" Type: %s; ", variable->getTypeName());
printf("Current value: %s\n", variable->getStringValue().c_str());
}
