72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
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// Copyright(c) 2016 Alexander Dalshov & spdlog contributors.
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// Distributed under the MIT License (http://opensource.org/licenses/MIT)
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#pragma once
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#if defined(_WIN32)
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# include <spdlog/details/null_mutex.h>
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# if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
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# include <spdlog/details/os.h>
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# endif
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# include <spdlog/sinks/base_sink.h>
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# include <mutex>
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# include <string>
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// Avoid including windows.h (https://stackoverflow.com/a/30741042)
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# if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
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extern "C" __declspec(dllimport) void __stdcall OutputDebugStringW(const wchar_t *lpOutputString);
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# else
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extern "C" __declspec(dllimport) void __stdcall OutputDebugStringA(const char *lpOutputString);
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# endif
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extern "C" __declspec(dllimport) int __stdcall IsDebuggerPresent();
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namespace spdlog {
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namespace sinks {
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/*
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* MSVC sink (logging using OutputDebugStringA)
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*/
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template<typename Mutex>
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class msvc_sink : public base_sink<Mutex>
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{
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public:
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msvc_sink() = default;
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msvc_sink(bool check_debugger_present)
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: check_debugger_present_{check_debugger_present} {};
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protected:
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void sink_it_(const details::log_msg &msg) override
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{
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if (check_debugger_present_ && !IsDebuggerPresent())
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{
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return;
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}
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memory_buf_t formatted;
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base_sink<Mutex>::formatter_->format(msg, formatted);
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formatted.push_back('\0'); // add a null terminator for OutputDebugString
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# if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
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wmemory_buf_t wformatted;
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details::os::utf8_to_wstrbuf(string_view_t(formatted.data(), formatted.size()), wformatted);
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OutputDebugStringW(wformatted.data());
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# else
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OutputDebugStringA(formatted.data());
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# endif
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}
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void flush_() override {}
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bool check_debugger_present_ = true;
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};
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using msvc_sink_mt = msvc_sink<std::mutex>;
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using msvc_sink_st = msvc_sink<details::null_mutex>;
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using windebug_sink_mt = msvc_sink_mt;
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using windebug_sink_st = msvc_sink_st;
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} // namespace sinks
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} // namespace spdlog
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#endif
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