-/* Copyright (c) 2004-2017. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2004-2019. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include <functional>
#include <map>
+#include <memory>
#include <stdexcept>
#include <string>
+#include <string>
#include <type_traits>
#include <typeinfo>
#include <vector>
-#include <xbt/ex.hpp>
-#include <xbt/config.h>
-#include <xbt/config.hpp>
+#include "simgrid/Exception.hpp"
+#include "simgrid/sg_config.hpp"
+#include "xbt/dynar.h"
+#include "xbt/log.h"
#include "xbt/misc.h"
#include "xbt/sysdep.h"
-#include "xbt/log.h"
-#include "xbt/dynar.h"
+#include <xbt/config.h>
+#include <xbt/config.hpp>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_cfg, xbt, "configuration support");
-XBT_EXPORT_NO_IMPORT(xbt_cfg_t) simgrid_config = nullptr;
-extern "C" {
- XBT_PUBLIC(void) sg_config_finalize();
-}
+XBT_EXPORT_NO_IMPORT xbt_cfg_t simgrid_config = nullptr;
namespace simgrid {
namespace config {
-missing_key_error::~missing_key_error() = default;
-
-class Config;
-
namespace {
const char* true_values[] = {
"no", "off", "false", "0"
};
-static bool parseBool(const char* value)
+static bool parse_bool(const char* value)
{
for (const char* const& true_value : true_values)
if (std::strcmp(true_value, value) == 0)
throw std::range_error("not a boolean");
}
-static double parseDouble(const char* value)
+static double parse_double(const char* value)
{
char* end;
errno = 0;
return res;
}
-static long int parseLong(const char* value)
+static long int parse_long(const char* value)
{
char* end;
errno = 0;
// ***** ConfigType *****
/// A trait which define possible options types:
-template<class T> struct ConfigType;
+template <class T> class ConfigType;
-template<> struct ConfigType<int> {
+template <> class ConfigType<int> {
+public:
static constexpr const char* type_name = "int";
static inline double parse(const char* value)
{
- return parseLong(value);
+ return parse_long(value);
}
};
-template<> struct ConfigType<double> {
+template <> class ConfigType<double> {
+public:
static constexpr const char* type_name = "double";
static inline double parse(const char* value)
{
- return parseDouble(value);
+ return parse_double(value);
}
};
-template<> struct ConfigType<std::string> {
+template <> class ConfigType<std::string> {
+public:
static constexpr const char* type_name = "string";
static inline std::string parse(const char* value)
{
return std::string(value);
}
};
-template<> struct ConfigType<bool> {
+template <> class ConfigType<bool> {
+public:
static constexpr const char* type_name = "boolean";
static inline bool parse(const char* value)
{
- return parseBool(value);
+ return parse_bool(value);
}
};
// **** ConfigurationElement ****
class ConfigurationElement {
-protected:
+private:
std::string key;
std::string desc;
bool isdefault = true;
/* Callback */
xbt_cfg_cb_t old_callback = nullptr;
- ConfigurationElement(const char* key, const char* desc)
- : key(key ? key : ""), desc(desc ? desc : "") {}
- ConfigurationElement(const char* key, const char* desc, xbt_cfg_cb_t cb)
- : key(key ? key : ""), desc(desc ? desc : ""), old_callback(cb) {}
+ ConfigurationElement(const std::string& key, const std::string& desc) : key(key), desc(desc) {}
+ ConfigurationElement(const std::string& key, const std::string& desc, xbt_cfg_cb_t cb)
+ : key(key), desc(desc), old_callback(cb)
+ {
+ }
- virtual ~ConfigurationElement()=default;
+ virtual ~ConfigurationElement() = default;
- virtual std::string getStringValue() = 0;
- virtual void setStringValue(const char* value) = 0;
- virtual const char* getTypeName() = 0;
+ virtual std::string get_string_value() = 0;
+ virtual void set_string_value(const char* value) = 0;
+ virtual const char* get_type_name() = 0;
- template<class T>
- T const& getValue() const
+ template <class T> T const& get_value() const
{
- return dynamic_cast<const TypedConfigurationElement<T>&>(*this).getValue();
+ return static_cast<const TypedConfigurationElement<T>&>(*this).get_value();
}
- template<class T>
- void setValue(T value)
+ template <class T> void set_value(T value)
{
- dynamic_cast<TypedConfigurationElement<T>&>(*this).setValue(std::move(value));
+ static_cast<TypedConfigurationElement<T>&>(*this).set_value(std::move(value));
}
- template<class T>
- void setDefaultValue(T value)
+ template <class T> void set_default_value(T value)
{
- dynamic_cast<TypedConfigurationElement<T>&>(*this).setDefaultValue(std::move(value));
+ static_cast<TypedConfigurationElement<T>&>(*this).set_default_value(std::move(value));
}
- bool isDefault() const { return isdefault; }
+ void unset_default() { isdefault = false; }
+ bool is_default() const { return isdefault; }
- std::string const& getDescription() const { return desc; }
- std::string const& getKey() const { return key; }
+ std::string const& get_description() const { return desc; }
+ std::string const& get_key() const { return key; }
};
// **** TypedConfigurationElement<T> ****
std::function<void(T&)> callback;
public:
- TypedConfigurationElement(const char* key, const char* desc, T value = T())
- : ConfigurationElement(key, desc), content(std::move(value))
+ TypedConfigurationElement(const std::string& key, const std::string& 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)
+ TypedConfigurationElement(const std::string& key, const std::string& 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)
+ TypedConfigurationElement(const std::string& key, const std::string& desc, T value, std::function<void(T&)> callback)
: ConfigurationElement(key, desc), content(std::move(value)), callback(std::move(callback))
{}
~TypedConfigurationElement() = default;
- std::string getStringValue() override;
- const char* getTypeName() override;
- void setStringValue(const char* value) override;
+ std::string get_string_value() override;
+ const char* get_type_name() override;
+ void set_string_value(const char* value) override;
void update()
{
if (old_callback)
- this->old_callback(key.c_str());
+ this->old_callback(get_key().c_str());
if (this->callback)
this->callback(this->content);
}
- T const& getValue() const { return content; }
+ T const& get_value() const { return content; }
- void setValue(T value)
+ void set_value(T value)
{
this->content = std::move(value);
this->update();
+ this->unset_default();
}
- void setDefaultValue(T value)
+ void set_default_value(T value)
{
- if (this->isdefault) {
+ if (this->is_default()) {
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.",
+ get_key().c_str(), to_string(value).c_str());
}
}
};
-template<class T>
-std::string TypedConfigurationElement<T>::getStringValue() // override
+template <class T> std::string TypedConfigurationElement<T>::get_string_value() // override
{
return to_string(content);
}
-template<class T>
-void TypedConfigurationElement<T>::setStringValue(const char* value) // override
+template <class T> void TypedConfigurationElement<T>::set_string_value(const char* value) // override
{
this->content = ConfigType<T>::parse(value);
- this->isdefault = false;
+ this->unset_default();
this->update();
}
-template<class T>
-const char* TypedConfigurationElement<T>::getTypeName() // override
+template <class T> const char* TypedConfigurationElement<T>::get_type_name() // override
{
return ConfigType<T>::type_name;
}
class Config {
private:
// name -> ConfigElement:
- std::map<std::string, simgrid::config::ConfigurationElement*> options;
- // alias -> xbt_dict_elm_t from options:
- std::map<std::string, simgrid::config::ConfigurationElement*> aliases;
+ std::map<std::string, std::unique_ptr<ConfigurationElement>> options;
+ // alias -> ConfigElement from options:
+ std::map<std::string, ConfigurationElement*> aliases;
bool warn_for_aliases = true;
public:
- Config() = default;
- ~Config();
+ Config();
// No copy:
Config(Config const&) = delete;
Config& operator=(Config const&) = delete;
- ConfigurationElement& operator[](const char* name);
- template<class T>
- TypedConfigurationElement<T>& getTyped(const char* name);
- void alias(const char* realname, const char* aliasname);
+ ConfigurationElement& operator[](const std::string& name);
+ void alias(const std::string& realname, const std::string& aliasname);
- template<class T, class... A>
- simgrid::config::TypedConfigurationElement<T>*
- registerOption(const char* name, A&&... a)
+ template <class T, class... A> TypedConfigurationElement<T>* register_option(const std::string& name, A&&... a)
{
- xbt_assert(options.find(name) == options.end(), "Refusing to register the config element '%s' twice.", name);
+ xbt_assert(options.find(name) == options.end(), "Refusing to register the config element '%s' twice.",
+ name.c_str());
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);
- options.insert({name, variable});
+ XBT_DEBUG("Register cfg elm %s (%s) of type %s @%p in set %p)", name.c_str(), variable->get_description().c_str(),
+ variable->get_type_name(), variable, this);
+ options[name].reset(variable);
variable->update();
return variable;
}
// Debug:
void dump(const char *name, const char *indent);
- void showAliases();
+ void show_aliases();
void help();
protected:
- ConfigurationElement* getDictElement(const char* name);
+ ConfigurationElement* get_dict_element(const std::string& name);
};
-Config::~Config()
+Config::Config()
{
- XBT_DEBUG("Frees cfg set %p", this);
- for (auto const& elm : options)
- delete elm.second;
+ atexit(&sg_config_finalize);
}
-inline ConfigurationElement* Config::getDictElement(const char* name)
+inline ConfigurationElement* Config::get_dict_element(const std::string& name)
{
auto opt = options.find(name);
if (opt != options.end()) {
- return opt->second;
+ return opt->second.get();
} 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());
+ XBT_INFO("Option %s has been renamed to %s. Consider switching.", name.c_str(), res->get_key().c_str());
return res;
} else {
- throw simgrid::config::missing_key_error(std::string("Bad config key: ") + name);
+ throw std::out_of_range("Bad config key: " + name);
}
}
}
-inline ConfigurationElement& Config::operator[](const char* name)
+inline ConfigurationElement& Config::operator[](const std::string& name)
{
- return *(getDictElement(name));
+ return *(get_dict_element(name));
}
-void Config::alias(const char* realname, const char* aliasname)
+void Config::alias(const std::string& realname, const std::string& aliasname)
{
- 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_assert(aliases.find(aliasname) == aliases.end(), "Alias '%s' already.", aliasname.c_str());
+ ConfigurationElement* element = this->get_dict_element(realname);
+ xbt_assert(element, "Cannot define an alias to the non-existing option '%s'.", realname.c_str());
this->aliases.insert({aliasname, element});
}
*/
void Config::dump(const char *name, const char *indent)
{
+ XBT_LOG_DEFAULT_CATEGORY(xbt_help);
if (name)
- printf("%s>> Dumping of the config set '%s':\n", indent, name);
+ XBT_VERB("%s>> Dumping of the config set '%s':", indent, name);
for (auto const& elm : options)
- printf("%s %s: ()%s) %s", indent, elm.first.c_str(), elm.second->getTypeName(),
- elm.second->getStringValue().c_str());
+ XBT_VERB("%s %s: ()%s) %s", indent, elm.first.c_str(), elm.second->get_type_name(),
+ elm.second->get_string_value().c_str());
if (name)
- printf("%s<< End of the config set '%s'\n", indent, name);
- fflush(stdout);
+ XBT_VERB("%s<< End of the config set '%s'", indent, name);
}
-/** @brief Displays the declared aliases and their description */
-void Config::showAliases()
+/** @brief Displays the declared aliases and their replacement */
+void Config::show_aliases()
{
- bool old_warn_for_aliases = false;
- std::swap(warn_for_aliases, old_warn_for_aliases);
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);
+ XBT_HELP(" %-40s %s", elm.first.c_str(), elm.second->get_key().c_str());
}
/** @brief Displays the declared options and their description */
void Config::help()
{
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());
+ simgrid::config::ConfigurationElement* variable = elm.second.get();
+ XBT_HELP(" %s: %s", elm.first.c_str(), variable->get_description().c_str());
+ XBT_HELP(" Type: %s; Current value: %s", variable->get_type_name(), variable->get_string_value().c_str());
}
}
-// ***** getConfig *****
+// ***** set_default *****
-template<class T>
-XBT_PUBLIC(T const&) getConfig(const char* name)
+template <class T> XBT_PUBLIC void set_default(const char* name, T value)
{
- return (*simgrid_config)[name].getValue<T>();
+ (*simgrid_config)[name].set_default_value<T>(std::move(value));
}
-template XBT_PUBLIC(int const&) getConfig<int>(const char* name);
-template XBT_PUBLIC(double const&) getConfig<double>(const char* name);
-template XBT_PUBLIC(bool const&) getConfig<bool>(const char* name);
-template XBT_PUBLIC(std::string const&) getConfig<std::string>(const char* name);
-
-// ***** alias *****
+template XBT_PUBLIC void set_default<int>(const char* name, int value);
+template XBT_PUBLIC void set_default<double>(const char* name, double value);
+template XBT_PUBLIC void set_default<bool>(const char* name, bool value);
+template XBT_PUBLIC void set_default<std::string>(const char* name, std::string value);
-void alias(const char* realname, const char* aliasname)
+bool is_default(const char* name)
{
- simgrid_config->alias(realname, aliasname);
+ return (*simgrid_config)[name].is_default();
}
-// ***** declareFlag *****
+// ***** set_value *****
-template<class T>
-XBT_PUBLIC(void) declareFlag(const char* name, const char* description,
- T value, std::function<void(const T&)> callback)
+template <class T> XBT_PUBLIC void set_value(const char* name, T value)
{
- if (simgrid_config == nullptr) {
- simgrid_config = xbt_cfg_new();
- atexit(sg_config_finalize);
- }
- simgrid_config->registerOption<T>(
- name, description, std::move(value), std::move(callback));
+ (*simgrid_config)[name].set_value<T>(std::move(value));
}
-template XBT_PUBLIC(void) declareFlag(const char* name,
- const char* description, int value, std::function<void(int const &)> callback);
-template XBT_PUBLIC(void) declareFlag(const char* name,
- const char* description, double value, std::function<void(double const &)> callback);
-template XBT_PUBLIC(void) declareFlag(const char* name,
- const char* description, bool value, std::function<void(bool const &)> callback);
-template XBT_PUBLIC(void) declareFlag(const char* name,
- const char* description, std::string value, std::function<void(std::string const &)> callback);
+template XBT_PUBLIC void set_value<int>(const char* name, int value);
+template XBT_PUBLIC void set_value<double>(const char* name, double value);
+template XBT_PUBLIC void set_value<bool>(const char* name, bool value);
+template XBT_PUBLIC void set_value<std::string>(const char* name, std::string value);
-}
+void set_as_string(const char* name, const std::string& value)
+{
+ (*simgrid_config)[name].set_string_value(value.c_str());
}
-// ***** C bindings *****
+void set_parse(const std::string& opt)
+{
+ std::string options(opt);
+ XBT_DEBUG("List to parse and set:'%s'", options.c_str());
+ while (not options.empty()) {
+ XBT_DEBUG("Still to parse and set: '%s'", options.c_str());
-xbt_cfg_t xbt_cfg_new() { return new simgrid::config::Config(); }
-void xbt_cfg_free(xbt_cfg_t * cfg) { delete *cfg; }
+ // skip separators
+ size_t pos = options.find_first_not_of(" \t\n,");
+ options.erase(0, pos);
+ // find option
+ pos = options.find_first_of(" \t\n,");
+ std::string name = options.substr(0, pos);
+ options.erase(0, pos);
+ XBT_DEBUG("parse now:'%s'; parse later:'%s'", name.c_str(), options.c_str());
-void xbt_cfg_dump(const char *name, const char *indent, xbt_cfg_t cfg)
-{
- cfg->dump(name, indent);
-}
+ if (name.empty())
+ continue;
-/*----[ Registering stuff ]-----------------------------------------------*/
+ pos = name.find(':');
+ xbt_assert(pos != std::string::npos, "Option '%s' badly formatted. Should be of the form 'name:value'",
+ name.c_str());
-void xbt_cfg_register_double(const char *name, double default_value,
- xbt_cfg_cb_t cb_set, const char *desc)
-{
- if (simgrid_config == nullptr)
- simgrid_config = xbt_cfg_new();
- simgrid_config->registerOption<double>(name, desc, default_value, cb_set);
-}
+ std::string val = name.substr(pos + 1);
+ name.erase(pos);
-void xbt_cfg_register_int(const char *name, int default_value,xbt_cfg_cb_t cb_set, const char *desc)
-{
- if (simgrid_config == nullptr) {
- simgrid_config = xbt_cfg_new();
- atexit(&sg_config_finalize);
- }
- simgrid_config->registerOption<int>(name, desc, default_value, cb_set);
-}
+ const std::string path("path");
+ if (name.compare(0, path.length(), path) != 0)
+ XBT_INFO("Configuration change: Set '%s' to '%s'", name.c_str(), val.c_str());
-void xbt_cfg_register_string(const char *name, const char *default_value, xbt_cfg_cb_t cb_set, const char *desc)
-{
- if (simgrid_config == nullptr) {
- simgrid_config = xbt_cfg_new();
- atexit(sg_config_finalize);
+ set_as_string(name.c_str(), val);
}
- simgrid_config->registerOption<std::string>(name, desc,
- default_value ? default_value : "", cb_set);
}
-void xbt_cfg_register_boolean(const char *name, const char*default_value,xbt_cfg_cb_t cb_set, const char *desc)
-{
- if (simgrid_config == nullptr) {
- simgrid_config = xbt_cfg_new();
- atexit(sg_config_finalize);
- }
- simgrid_config->registerOption<bool>(name, desc, simgrid::config::parseBool(default_value), cb_set);
-}
+// ***** get_value *****
-void xbt_cfg_register_alias(const char *realname, const char *aliasname)
+template <class T> XBT_PUBLIC T const& get_value(const std::string& name)
{
- if (simgrid_config == nullptr) {
- simgrid_config = xbt_cfg_new();
- atexit(sg_config_finalize);
- }
- simgrid_config->alias(realname, aliasname);
+ return (*simgrid_config)[name].get_value<T>();
}
-void xbt_cfg_aliases() { simgrid_config->showAliases(); }
-void xbt_cfg_help() { simgrid_config->help(); }
+template XBT_PUBLIC int const& get_value<int>(const std::string& name);
+template XBT_PUBLIC double const& get_value<double>(const std::string& name);
+template XBT_PUBLIC bool const& get_value<bool>(const std::string& name);
+template XBT_PUBLIC std::string const& get_value<std::string>(const std::string& name);
-/*----[ Setting ]---------------------------------------------------------*/
+// ***** alias *****
-/** @brief Add values parsed from a string into a config set
- *
- * @param options a string containing the content to add to the config set. This is a '\\t',' ' or '\\n' or ','
- * separated list of variables. Each individual variable is like "[name]:[value]" where [name] is the name of an
- * already registered variable, and [value] conforms to the data type under which this variable was registered.
- *
- * @todo This is a crude manual parser, it should be a proper lexer.
- */
-void xbt_cfg_set_parse(const char *options)
+void alias(const char* realname, std::initializer_list<const char*> aliases)
{
- if (not options || not strlen(options)) { /* nothing to do */
- return;
- }
- char *optionlist_cpy = xbt_strdup(options);
-
- XBT_DEBUG("List to parse and set:'%s'", options);
- char *option = optionlist_cpy;
- while (1) { /* breaks in the code */
- if (not option)
- break;
- char *name = option;
- int len = strlen(name);
- XBT_DEBUG("Still to parse and set: '%s'. len=%d; option-name=%ld", name, len, (long) (option - name));
-
- /* Pass the value */
- while (option - name <= (len - 1) && *option != ' ' && *option != '\n' && *option != '\t' && *option != ',') {
- XBT_DEBUG("Take %c.", *option);
- option++;
- }
- if (option - name == len) {
- XBT_DEBUG("Boundary=EOL");
- option = nullptr; /* don't do next iteration */
- } else {
- XBT_DEBUG("Boundary on '%c'. len=%d;option-name=%ld", *option, len, (long) (option - name));
- /* 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)
- option = nullptr; /* don't do next iteration */
- }
- XBT_DEBUG("parse now:'%s'; parse later:'%s'", name, option);
-
- if (name[0] == ' ' || name[0] == '\n' || name[0] == '\t')
- continue;
- if (not strlen(name))
- break;
-
- char *val = strchr(name, ':');
- xbt_assert(val, "Option '%s' badly formatted. Should be of the form 'name:value'", name);
- /* don't free(optionlist_cpy) if the assert fails, 'name' points inside it */
- *(val++) = '\0';
-
- if (strncmp(name, "path", strlen("path")))
- XBT_INFO("Configuration change: Set '%s' to '%s'", name, val);
-
- try {
- (*simgrid_config)[name].setStringValue(val);
- }
- catch (simgrid::config::missing_key_error& e) {
- goto on_missing_key;
- }
- catch (...) {
- goto on_exception;
- }
- }
-
- free(optionlist_cpy);
- return;
-
- /* Do not THROWF from a C++ exception catching context, or some cleanups will be missing */
-on_missing_key:
- free(optionlist_cpy);
- THROWF(not_found_error, 0, "Could not set variables %s", options);
- return;
-on_exception:
- free(optionlist_cpy);
- THROWF(unknown_error, 0, "Could not set variables %s", options);
+ for (auto const& aliasname : aliases)
+ simgrid_config->alias(realname, aliasname);
}
-// Horrible mess to translate C++ exceptions to C exceptions:
-// 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(); }
+// ***** declare_flag *****
-/** @brief Set the value of a variable, using the string representation of that value
- *
- * @param key name of the variable to modify
- * @param value string representation of the value to set
- */
-
-void xbt_cfg_set_as_string(const char *key, const char *value)
+template <class T>
+XBT_PUBLIC void declare_flag(const std::string& name, const std::string& description, T value,
+ std::function<void(const T&)> callback)
{
- try {
- (*simgrid_config)[key].setStringValue(value);
- return;
- }
- TRANSLATE_EXCEPTIONS("Could not set variable %s as string %s", key, value);
+ if (simgrid_config == nullptr)
+ simgrid_config = new simgrid::config::Config();
+ simgrid_config->register_option<T>(name, description, std::move(value), std::move(callback));
}
-/** @brief Set an integer value to \a name within \a cfg if it wasn't changed yet
- *
- * This is useful to change the default value of a variable while allowing
- * users to override it with command line arguments
- */
-void xbt_cfg_setdefault_int(const char *key, int value)
-{
- try {
- (*simgrid_config)[key].setDefaultValue<int>(value);
- return;
- }
- TRANSLATE_EXCEPTIONS("Could not set variable %s to default integer %i", key, value);
-}
+template XBT_PUBLIC void declare_flag(const std::string& name, const std::string& description, int value,
+ std::function<void(int const&)> callback);
+template XBT_PUBLIC void declare_flag(const std::string& name, const std::string& description, double value,
+ std::function<void(double const&)> callback);
+template XBT_PUBLIC void declare_flag(const std::string& name, const std::string& description, bool value,
+ std::function<void(bool const&)> callback);
+template XBT_PUBLIC void declare_flag(const std::string& name, const std::string& description, std::string value,
+ std::function<void(std::string const&)> callback);
-/** @brief Set an integer value to \a name within \a cfg if it wasn't changed yet
- *
- * This is useful to change the default value of a variable while allowing
- * users to override it with command line arguments
- */
-void xbt_cfg_setdefault_double(const char *key, double value)
+void finalize()
{
- try {
- (*simgrid_config)[key].setDefaultValue<double>(value);
- return;
- }
- TRANSLATE_EXCEPTIONS("Could not set variable %s to default double %f", key, value);
+ delete simgrid_config;
+ simgrid_config = nullptr;
}
-/** @brief Set a string value to \a name within \a cfg if it wasn't changed yet
- *
- * This is useful to change the default value of a variable while allowing
- * users to override it with command line arguments
- */
-void xbt_cfg_setdefault_string(const char *key, const char *value)
+void show_aliases()
{
- try {
- (*simgrid_config)[key].setDefaultValue<std::string>(value ? value : "");
- return;
- }
- TRANSLATE_EXCEPTIONS("Could not set variable %s to default string %s", key, value);
+ simgrid_config->show_aliases();
}
-/** @brief Set an boolean value to \a name within \a cfg if it wasn't changed yet
- *
- * This is useful to change the default value of a variable while allowing
- * users to override it with command line arguments
- */
-void xbt_cfg_setdefault_boolean(const char *key, const char *value)
+void help()
{
- try {
- (*simgrid_config)[key].setDefaultValue<bool>(simgrid::config::parseBool(value));
- return;
- }
- TRANSLATE_EXCEPTIONS("Could not set variable %s to default boolean %s", key, value);
+ simgrid_config->help();
+}
+}
}
+/*----[ Setting ]---------------------------------------------------------*/
+
/** @brief Set an integer value to \a name within \a cfg
*
* @param key the name of the variable
*/
void xbt_cfg_set_int(const char *key, int value)
{
- try {
- (*simgrid_config)[key].setValue<int>(value);
- return;
- }
- TRANSLATE_EXCEPTIONS("Could not set variable %s to integer %i", key, value);
+ sg_cfg_set_int(key, value);
+}
+
+void sg_cfg_set_int(const char* key, int value)
+{
+ (*simgrid_config)[key].set_value<int>(value);
}
/** @brief Set or add a double value to \a name within \a cfg
*/
void xbt_cfg_set_double(const char *key, double value)
{
- try {
- (*simgrid_config)[key].setValue<double>(value);
- return;
- }
- TRANSLATE_EXCEPTIONS("Could not set variable %s to double %f", key, value);
+ sg_cfg_set_double(key, value);
+}
+
+void sg_cfg_set_double(const char* key, double value)
+{
+ (*simgrid_config)[key].set_value<double>(value);
}
/** @brief Set or add a string value to \a name within \a cfg
* @param value the value to be added
*
*/
-void xbt_cfg_set_string(const char *key, const char *value)
+void xbt_cfg_set_string(const char* key, const char* value)
{
- try {
- (*simgrid_config)[key].setValue<std::string>(value ? value : "");
- return;
- }
- TRANSLATE_EXCEPTIONS("Could not set variable %s to string %s", key, value);
+ sg_cfg_set_string(key, value);
+}
+
+void sg_cfg_set_string(const char* key, const char* value)
+{
+ (*simgrid_config)[key].set_value<std::string>(value);
}
/** @brief Set or add a boolean value to \a name within \a cfg
*/
void xbt_cfg_set_boolean(const char *key, const char *value)
{
- try {
- (*simgrid_config)[key].setValue<bool>(simgrid::config::parseBool(value));
- return;
- }
- TRANSLATE_EXCEPTIONS("Could not set variable %s to boolean %s", key, value);
+ sg_cfg_set_boolean(key, value);
}
-
-/* Say if the value is the default value */
-int xbt_cfg_is_default_value(const char *key)
+void sg_cfg_set_boolean(const char* key, const char* value)
{
- try {
- return (*simgrid_config)[key].isDefault() ? 1 : 0;
- }
- TRANSLATE_EXCEPTIONS("Could not get variable %s", key);
+ (*simgrid_config)[key].set_value<bool>(simgrid::config::parse_bool(value));
}
/*----[ Getting ]---------------------------------------------------------*/
*/
int xbt_cfg_get_int(const char *key)
{
- try {
- return (*simgrid_config)[key].getValue<int>();
- }
- TRANSLATE_EXCEPTIONS("Could not get variable %s", key);
+ return sg_cfg_get_int(key);
+}
+
+int sg_cfg_get_int(const char* key)
+{
+ return (*simgrid_config)[key].get_value<int>();
}
/** @brief Retrieve a double value of a variable (get a warning if not uniq)
*/
double xbt_cfg_get_double(const char *key)
{
- try {
- return (*simgrid_config)[key].getValue<double>();
- }
- TRANSLATE_EXCEPTIONS("Could not get variable %s", key);
+ return sg_cfg_get_double(key);
}
-/** @brief Retrieve a string value of a variable (get a warning if not uniq)
- *
- * @param key the name of the variable
- *
- * Returns the first value from the config set under the given name.
- * If there is more than one value, it will issue a warning.
- * Returns nullptr if there is no value.
- *
- * \warning the returned value is the actual content of the config set
- */
-char *xbt_cfg_get_string(const char *key)
+double sg_cfg_get_double(const char* key)
{
- try {
- return (char*) (*simgrid_config)[key].getValue<std::string>().c_str();
- }
- TRANSLATE_EXCEPTIONS("Could not get variable %s", key);
+ return (*simgrid_config)[key].get_value<double>();
}
/** @brief Retrieve a boolean value of a variable (get a warning if not uniq)
*/
int xbt_cfg_get_boolean(const char *key)
{
- try {
- return (*simgrid_config)[key].getValue<bool>() ? 1 : 0;
- }
- TRANSLATE_EXCEPTIONS("Could not get variable %s", key);
-}
-
-#ifdef SIMGRID_TEST
-
-#include <string>
-
-#include "xbt.h"
-#include "xbt/ex.h"
-#include <xbt/ex.hpp>
-
-#include <xbt/config.hpp>
-
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(xbt_cfg);
-
-XBT_TEST_SUITE("config", "Configuration support");
-
-XBT_PUBLIC_DATA(xbt_cfg_t) simgrid_config;
-
-static void make_set()
-{
- simgrid_config = nullptr;
- xbt_log_threshold_set(&_XBT_LOGV(xbt_cfg), xbt_log_priority_critical);
- xbt_cfg_register_int("speed", 0, nullptr, "");
- xbt_cfg_register_string("peername", "", nullptr, "");
- xbt_cfg_register_string("user", "", nullptr, "");
-} /* end_of_make_set */
-
-XBT_TEST_UNIT("memuse", test_config_memuse, "Alloc and free a config set")
-{
- auto temp = simgrid_config;
- make_set();
- xbt_test_add("Alloc and free a config set");
- xbt_cfg_set_parse("peername:veloce user:bidule");
- xbt_cfg_free(&simgrid_config);
- simgrid_config = temp;
-}
-
-XBT_TEST_UNIT("use", test_config_use, "Data retrieving tests")
-{
- auto temp = simgrid_config;
- make_set();
- xbt_test_add("Get a single value");
- {
- /* get_single_value */
- xbt_cfg_set_parse("peername:toto:42 speed:42");
- int ival = xbt_cfg_get_int("speed");
- if (ival != 42)
- xbt_test_fail("Speed value = %d, I expected 42", ival);
- }
-
- xbt_test_add("Access to a non-existant entry");
- {
- try {
- xbt_cfg_set_parse("color:blue");
- } catch(xbt_ex& e) {
- if (e.category != not_found_error)
- xbt_test_exception(e);
- }
- }
- xbt_cfg_free(&simgrid_config);
- simgrid_config = temp;
+ return sg_cfg_get_boolean(key);
}
-XBT_TEST_UNIT("c++flags", test_config_cxx_flags, "C++ flags")
+int sg_cfg_get_boolean(const char* key)
{
- auto temp = simgrid_config;
- make_set();
- xbt_test_add("C++ declaration of flags");
-
- simgrid::config::Flag<int> int_flag("int", "", 0);
- simgrid::config::Flag<std::string> string_flag("string", "", "foo");
- simgrid::config::Flag<double> double_flag("double", "", 0.32);
- simgrid::config::Flag<bool> bool_flag1("bool1", "", false);
- simgrid::config::Flag<bool> bool_flag2("bool2", "", true);
-
- xbt_test_add("Parse values");
- xbt_cfg_set_parse("int:42 string:bar double:8.0 bool1:true bool2:false");
- xbt_test_assert(int_flag == 42, "Check int flag");
- xbt_test_assert(string_flag == "bar", "Check string flag");
- xbt_test_assert(double_flag == 8.0, "Check double flag");
- xbt_test_assert(bool_flag1, "Check bool1 flag");
- xbt_test_assert(not bool_flag2, "Check bool2 flag");
-
- xbt_cfg_free(&simgrid_config);
- simgrid_config = temp;
+ return (*simgrid_config)[key].get_value<bool>() ? 1 : 0;
}
-
-#endif /* SIMGRID_TEST */
