mirror of https://github.com/polybar/polybar.git
146 lines
3.5 KiB
C++
146 lines
3.5 KiB
C++
#pragma once
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#ifdef DEBUG
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#define BOOST_DI_CFG_DIAGNOSTICS_LEVEL 2
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#endif
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#include <atomic>
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#include <boost/di.hpp>
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#include <boost/optional.hpp>
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#include <cassert>
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#include <cerrno>
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#include <chrono>
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#include <cstring>
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#include <functional>
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#include <map>
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#include <memory>
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#include <string>
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#include <thread>
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#include <vector>
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#include "config.hpp"
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#define POLYBAR_NS \
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namespace polybar { \
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inline namespace v2_0_0 {
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#define POLYBAR_NS_END \
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} \
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}
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#define POLYBAR_NS_PATH "polybar::v2_0_0"
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#define PIPE_READ 0
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#define PIPE_WRITE 1
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#ifdef DEBUG
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#include "debug.hpp"
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#endif
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POLYBAR_NS
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//==================================================
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// Include common types (i.e, unclutter editor!)
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//==================================================
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namespace di = boost::di;
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namespace chrono = std::chrono;
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namespace this_thread = std::this_thread;
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namespace placeholders = std::placeholders;
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using namespace std::chrono_literals;
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using std::string;
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using std::stringstream;
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using std::size_t;
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using std::move;
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using std::bind;
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using std::forward;
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using std::pair;
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using std::function;
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using std::shared_ptr;
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using std::unique_ptr;
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using std::make_unique;
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using std::make_shared;
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using std::make_pair;
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using std::array;
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using std::map;
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using std::vector;
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using std::to_string;
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using std::strerror;
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using std::getenv;
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using std::thread;
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using std::exception;
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using boost::optional;
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using stateflag = std::atomic<bool>;
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//==================================================
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// Instance factory
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//==================================================
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namespace factory {
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template <class InstanceType, class... Deps>
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unique_ptr<InstanceType> generic_instance(Deps... deps) {
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return make_unique<InstanceType>(deps...);
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}
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template <class InstanceType, class... Deps>
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shared_ptr<InstanceType> generic_singleton(Deps... deps) {
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static auto instance = make_shared<InstanceType>(deps...);
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return instance;
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}
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}
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struct null_deleter {
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template <typename T>
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void operator()(T*) const {}
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};
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//==================================================
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// Errors and exceptions
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//==================================================
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class application_error : public std::runtime_error {
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public:
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int m_code;
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explicit application_error(string&& message, int code = 0)
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: std::runtime_error(forward<string>(message)), m_code(code) {}
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};
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class system_error : public application_error {
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public:
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explicit system_error() : application_error(strerror(errno), errno) {}
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explicit system_error(string&& message)
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: application_error(forward<string>(message) + " (reason: " + strerror(errno) + ")", errno) {}
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};
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#define DEFINE_CHILD_ERROR(error, parent) \
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class error : public parent { \
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using parent::parent; \
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}
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#define DEFINE_ERROR(error) DEFINE_CHILD_ERROR(error, application_error)
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//==================================================
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// Various tools and helpers functions
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//==================================================
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auto has_env = [](const char* var) { return getenv(var) != nullptr; };
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auto read_env = [](const char* var, string&& fallback = "") {
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const char* value{getenv(var)};
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return value != nullptr ? value : fallback;
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};
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template <class T>
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auto time_execution(const T& expr) noexcept {
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auto start = std::chrono::high_resolution_clock::now();
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expr();
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auto finish = std::chrono::high_resolution_clock::now();
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return std::chrono::duration_cast<std::chrono::milliseconds>(finish - start).count();
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}
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template <typename... Args>
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using callback = function<void(Args...)>;
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POLYBAR_NS_END
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