#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");
static bool parseBool(const char* value)
{
- for (const char* true_value : true_values)
+ for (const char* const& true_value : true_values)
if (std::strcmp(true_value, value) == 0)
return true;
- for (const char* false_value : false_values)
+ for (const char* const& false_value : false_values)
if (std::strcmp(false_value, value) == 0)
return false;
throw std::range_error("not a boolean");
bool isdefault = true;
public:
-
/* Callback */
xbt_cfg_cb_t old_callback = nullptr;
bool isDefault() const { return isdefault; }
std::string const& getDescription() const { return desc; }
+ std::string const& getKey() const { return key; }
};
// **** TypedConfigurationElement<T> ****
TypedConfigurationElement(const char* key, const char* desc, T value = T())
: ConfigurationElement(key, desc), content(std::move(value))
{}
- TypedConfigurationElement(const char* key, const char* desc, T value,
- xbt_cfg_cb_t cb)
- : ConfigurationElement(key, desc, cb), content(std::move(value))
+ TypedConfigurationElement(const char* key, const char* desc, T value, xbt_cfg_cb_t cb)
+ : ConfigurationElement(key, desc, cb), content(std::move(value))
{}
- TypedConfigurationElement(const char* key, const char* desc, T value,
- std::function<void(T&)> callback)
- : ConfigurationElement(key, desc), content(std::move(value)),
- callback(std::move(callback))
+ TypedConfigurationElement(const char* key, const char* desc, T value, std::function<void(T&)> callback)
+ : ConfigurationElement(key, desc), content(std::move(value)), callback(std::move(callback))
{}
- ~TypedConfigurationElement()=default;
+ ~TypedConfigurationElement() = default;
std::string getStringValue() override;
const char* getTypeName() override;
this->content = std::move(value);
this->update();
} else {
- XBT_DEBUG("Do not override configuration variable '%s' with value '%s'"
- " because it was already set.", key.c_str(), to_string(value).c_str());
+ XBT_DEBUG("Do not override configuration variable '%s' with value '%s' because it was already set.", key.c_str(),
+ to_string(value).c_str());
}
}
};
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);
-}
-
-inline
-xbt_dictelm_t 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;
+ for (auto const& elm : options)
+ delete elm.second;
+}
+
+inline ConfigurationElement* Config::getDictElement(const char* name)
+{
+ auto opt = options.find(name);
+ if (opt != options.end()) {
+ return opt->second;
+ } else {
+ auto als = aliases.find(name);
+ if (als != aliases.end()) {
+ ConfigurationElement* res = als->second;
+ if (warn_for_aliases)
+ XBT_INFO("Option %s has been renamed to %s. Consider switching.", name, res->getKey().c_str());
+ return res;
+ } else {
+ 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 const& 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 const& 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 const& 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());
}
/* Pass the following blank chars */
*(option++) = '\0';
while (option - name < (len - 1) && (*option == ' ' || *option == '\n' || *option == '\t')) {
- /* fprintf(stderr,"Ignore a blank char.\n"); */
option++;
}
if (option - name == len - 1)
}
// Horrible mess to translate C++ exceptions to C exceptions:
-// Exit from the catch blog (and do the correct exceptio cleaning)
-// before attempting to THROWF.
+// Exit from the catch block (and do the correct exception cleaning) before attempting to THROWF.
#define TRANSLATE_EXCEPTIONS(...) \
catch(simgrid::config::missing_key_error& e) { THROWF(not_found_error, 0, __VA_ARGS__); abort(); } \
catch(...) { THROWF(not_found_error, 0, __VA_ARGS__); abort(); }
(*simgrid_config)[key].setDefaultValue<int>(value);
return;
}
- TRANSLATE_EXCEPTIONS("Could not set variable %s to default integer %i",
- key, value);
+ TRANSLATE_EXCEPTIONS("Could not set variable %s to default integer %i", key, value);
}
/** @brief Set an integer value to \a name within \a cfg if it wasn't changed yet
(*simgrid_config)[key].setDefaultValue<double>(value);
return;
}
- TRANSLATE_EXCEPTIONS("Could not set variable %s to default double %f",
- key, value);
+ TRANSLATE_EXCEPTIONS("Could not set variable %s to default double %f", key, value);
}
/** @brief Set a string value to \a name within \a cfg if it wasn't changed yet
(*simgrid_config)[key].setDefaultValue<std::string>(value ? value : "");
return;
}
- TRANSLATE_EXCEPTIONS("Could not set variable %s to default string %s",
- key, value);
+ TRANSLATE_EXCEPTIONS("Could not set variable %s to default string %s", key, value);
}
/** @brief Set an boolean value to \a name within \a cfg if it wasn't changed yet
(*simgrid_config)[key].setDefaultValue<bool>(simgrid::config::parseBool(value));
return;
}
- TRANSLATE_EXCEPTIONS("Could not set variable %s to default boolean %s",
- key, value);
+ TRANSLATE_EXCEPTIONS("Could not set variable %s to default boolean %s", key, value);
}
/** @brief Set an integer value to \a name within \a cfg
(*simgrid_config)[key].setValue<int>(value);
return;
}
- TRANSLATE_EXCEPTIONS("Could not set variable %s to integer %i",
- key, value);
+ TRANSLATE_EXCEPTIONS("Could not set variable %s to integer %i", key, value);
}
/** @brief Set or add a double value to \a name within \a cfg
(*simgrid_config)[key].setValue<double>(value);
return;
}
- TRANSLATE_EXCEPTIONS("Could not set variable %s to double %f",
- key, value);
+ TRANSLATE_EXCEPTIONS("Could not set variable %s to double %f", key, value);
}
/** @brief Set or add a string value to \a name within \a cfg
(*simgrid_config)[key].setValue<std::string>(value ? value : "");
return;
}
- TRANSLATE_EXCEPTIONS("Could not set variable %s to string %s",
- key, value);
+ TRANSLATE_EXCEPTIONS("Could not set variable %s to string %s", key, value);
}
/** @brief Set or add a boolean value to \a name within \a cfg
(*simgrid_config)[key].setValue<bool>(simgrid::config::parseBool(value));
return;
}
- TRANSLATE_EXCEPTIONS("Could not set variable %s to boolean %s",
- key, value);
+ TRANSLATE_EXCEPTIONS("Could not set variable %s to boolean %s", key, value);
}
xbt_test_add("Get a single value");
{
/* get_single_value */
- int ival;
-
xbt_cfg_set_parse("peername:toto:42 speed:42");
- ival = xbt_cfg_get_int("speed");
+ int ival = xbt_cfg_get_int("speed");
if (ival != 42)
xbt_test_fail("Speed value = %d, I expected 42", ival);
}
