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Add a function for retrieving registered data sources

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This commit is contained in:
Pavel Labath 2010-02-11 21:01:59 +01:00
parent 109770ac31
commit 8fe39ab39b
2 changed files with 22 additions and 3 deletions
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15
src/data-source.cc
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@ -28,7 +28,6 @@
#include <iostream>
#include <limits>
#include <sstream>
#include <unordered_map>
namespace conky {
namespace {
@ -45,7 +44,6 @@ namespace conky {
* different modules is not defined, so register_source could be called before this
* object is constructed. Therefore, we create it on the first call to register_source.
*/
typedef std::unordered_map<std::string, data_source_factory> data_sources_t;
data_sources_t *data_sources;
void register_data_source_(const std::string &name, const data_source_factory &factory_func)
@ -103,4 +101,17 @@ namespace conky {
std::placeholders::_1, std::placeholders::_2, setting)
);
}
// at least one data source should always be registered, so the pointer will not be null
const data_sources_t& get_data_sources()
{ return *data_sources; }
}
/////////// example data sources, remove after real data sources are available ///////
int asdf_ = 47;
conky::register_data_source asdf("asdf", std::bind(
conky::simple_numeric_source<int>::factory,
std::placeholders::_1, std::placeholders::_2, &asdf_)
);
conky::register_disabled_data_source zxcv("zxcv", "BUILD_ZXCV");

10
src/data-source.hh
View File

@ -28,6 +28,7 @@
#include <stdexcept>
#include <string>
#include <type_traits>
#include <unordered_map>
#include "luamm.hh"
@ -39,7 +40,9 @@ namespace conky {
* Recieves a lua table on the stack and the name the object was registered with. It should
* pop the table after consuming it and return the data source.
*/
typedef std::function<std::shared_ptr<data_source_base> (lua::state &l, const std::string &name)> data_source_factory;
typedef std::function<
std::shared_ptr<data_source_base> (lua::state &l, const std::string &name)
> data_source_factory;
/*
* A base class for all data sources.
@ -102,6 +105,11 @@ namespace conky {
public:
register_disabled_data_source(const std::string &name, const std::string &setting);
};
typedef std::unordered_map<std::string, data_source_factory> data_sources_t;
// returns the list of registered data sources
const data_sources_t& get_data_sources();
}
#endif /* DATA_SOURCE_HH */