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#include "xcb_connection.hh"
#include "xcb_resources.hh"
#include <cstdlib>
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include <xcb/xcb_xrm.h>
namespace xcb {
namespace {
struct DatabaseDeleter {
void operator()(xcb_xrm_database_t* db) { xcb_xrm_database_free(db); }
};
class ResourcesXrm : public Resources {
public:
explicit ResourcesXrm(shared_conn conn)
: conn_(std::move(conn)),
db_(xcb_xrm_database_from_default(conn_.get())) {}
std::optional<std::string> get_string(std::string const& name,
std::string const& clazz) override {
if (db_) {
char* tmp;
if (xcb_xrm_resource_get_string(db_.get(), std::string(name).c_str(),
std::string(clazz).c_str(), &tmp) >= 0) {
std::string ret(tmp);
free(tmp);
return ret;
}
}
return std::nullopt;
}
std::optional<long> get_long(std::string const& name,
std::string const& clazz) override {
if (db_) {
long tmp;
if (xcb_xrm_resource_get_long(db_.get(), std::string(name).c_str(),
std::string(clazz).c_str(), &tmp) >= 0) {
return tmp;
}
}
return std::nullopt;
}
std::optional<bool> get_bool(std::string const& name,
std::string const& clazz) override {
if (db_) {
bool tmp;
if (xcb_xrm_resource_get_bool(db_.get(), std::string(name).c_str(),
std::string(clazz).c_str(), &tmp) >= 0) {
return tmp;
}
}
return std::nullopt;
}
private:
shared_conn conn_;
std::unique_ptr<xcb_xrm_database_t, DatabaseDeleter> db_;
};
} // namespace
std::unique_ptr<Resources> Resources::create(shared_conn conn) {
return std::make_unique<ResourcesXrm>(std::move(conn));
}
} // namespace xcb
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