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#include "kern/print.hpp"
#include <string_view>
namespace teachos
{
namespace
{
print_handler * current_print_handler{};
println_handler * current_println_handler{};
print_handler * current_print_error_handler{};
println_handler * current_println_error_handler{};
} // namespace
auto print(std::string_view text) -> void
{
if (current_print_handler)
{
current_print_handler(text);
}
}
auto println(std::string_view text) -> void
{
if (current_println_handler)
{
current_println_handler(text);
}
}
auto print_error(std::string_view text) -> void
{
if (current_print_error_handler)
{
current_print_error_handler(text);
}
}
auto println_error(std::string_view text) -> void
{
if (current_println_error_handler)
{
current_println_error_handler(text);
}
}
auto set_print_handler(print_handler handler) -> print_handler *
{
auto old = current_print_handler;
current_print_handler = handler;
return old;
}
auto set_println_handler(println_handler handler) -> print_handler *
{
auto old = current_println_handler;
current_println_handler = handler;
return old;
}
auto set_print_error_handler(print_handler handler) -> print_handler *
{
auto old = current_print_error_handler;
current_print_error_handler = handler;
return old;
}
auto set_println_error_handler(println_handler handler) -> print_handler *
{
auto old = current_println_error_handler;
current_println_error_handler = handler;
return old;
}
} // namespace teachos
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