88 lines
2.0 KiB
C++
88 lines
2.0 KiB
C++
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#pragma once
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#include <libremidi/api.hpp>
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#include <libremidi/config.hpp>
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#include <libremidi/error.hpp>
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#include <libremidi/observer_configuration.hpp>
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#include <iostream>
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#include <string_view>
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namespace libremidi
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{
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struct error_handler
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{
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//! Error reporting function for libremidi classes. Throws.
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template <typename Error_T>
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void error(auto& configuration, std::string_view errorString) const
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{
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if (configuration.on_error)
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{
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if (first_error)
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return;
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first_error = true;
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configuration.on_error(Error_T::code, errorString);
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first_error = false;
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}
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else
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{
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#if defined(__LIBREMIDI_DEBUG__)
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std::cerr << '\n' << errorString << "\n\n";
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#endif
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throw Error_T{errorString.data()};
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}
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}
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//! Warning reporting function for libremidi classes.
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void warning(auto& configuration, std::string_view errorString) const
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{
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if (configuration.on_warning)
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{
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if (first_warning)
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return;
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first_warning = true;
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configuration.on_warning(midi_error::WARNING, errorString);
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first_warning = false;
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return;
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}
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#if defined(__LIBREMIDI_DEBUG__)
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std::cerr << '\n' << errorString << "\n\n";
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#endif
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}
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// To prevent infinite error loops
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mutable bool first_error{};
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mutable bool first_warning{};
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};
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class midi_api
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{
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public:
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midi_api() = default;
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virtual ~midi_api() = default;
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midi_api(const midi_api&) = delete;
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midi_api(midi_api&&) = delete;
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midi_api& operator=(const midi_api&) = delete;
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midi_api& operator=(midi_api&&) = delete;
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[[nodiscard]] virtual libremidi::API get_current_api() const noexcept = 0;
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[[nodiscard]] virtual bool open_virtual_port(std::string_view) = 0;
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virtual void close_port() = 0;
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virtual void set_client_name(std::string_view) = 0;
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virtual void set_port_name(std::string_view) = 0;
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bool is_port_open() const noexcept { return bool(port_open_); }
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bool is_port_connected() const noexcept { return bool(connected_); }
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protected:
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friend class midi_in;
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friend class midi_out;
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bool port_open_{};
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bool connected_{};
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};
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}
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