1 files changed, 111 insertions, 0 deletions
diff --git a/toolsrc/src/vcpkg_System.cpp b/toolsrc/src/vcpkg_System.cpp
new file mode 100644
index 000000000..71b4087d2
--- /dev/null
+++ b/toolsrc/src/vcpkg_System.cpp
@@ -0,0 +1,111 @@
+#include "vcpkg_System.h"
+#include <iostream>
+#include <Windows.h>
+#include <regex>
+
+namespace fs = std::tr2::sys;
+
+namespace vcpkg {namespace System
+{
+    fs::path get_exe_path_of_current_process()
+    {
+        wchar_t buf[_MAX_PATH ];
+        int bytes = GetModuleFileNameW(nullptr, buf, _MAX_PATH);
+        if (bytes == 0)
+            std::abort();
+        return fs::path(buf, buf + bytes);
+    }
+
+    int cmd_execute(const wchar_t* cmd_line)
+    {
+        // Basically we are wrapping it in quotes
+        const std::wstring& actual_cmd_line = Strings::format(LR"###("%s")###", cmd_line);
+        int exit_code = _wsystem(actual_cmd_line.c_str());
+        return exit_code;
+    }
+
+    exit_code_and_output cmd_execute_and_capture_output(const wchar_t* cmd_line)
+    {
+        const std::wstring& actual_cmd_line = Strings::format(LR"###("%s")###", cmd_line);
+
+        std::string output;
+        char buf[1024];
+        auto pipe = _wpopen(actual_cmd_line.c_str(), L"r");
+        if (pipe == nullptr)
+        {
+            return {1, output};
+        }
+        while (fgets(buf, 1024, pipe))
+        {
+            output.append(buf);
+        }
+        if (!feof(pipe))
+        {
+            return {1, output};
+        }
+        auto ec = _pclose(pipe);
+        return {ec, output};
+    }
+
+    void print(const char* message)
+    {
+        std::cout << message;
+    }
+
+    void println(const char* message)
+    {
+        print(message);
+        std::cout << "\n";
+    }
+
+    void print(color c, const char* message)
+    {
+        HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
+
+        CONSOLE_SCREEN_BUFFER_INFO consoleScreenBufferInfo{};
+        GetConsoleScreenBufferInfo(hConsole, &consoleScreenBufferInfo);
+        auto original_color = consoleScreenBufferInfo.wAttributes;
+
+        SetConsoleTextAttribute(hConsole, static_cast<int>(c) | (original_color & 0xF0));
+        std::cout << message;
+        SetConsoleTextAttribute(hConsole, original_color);
+    }
+
+    void println(color c, const char* message)
+    {
+        print(c, message);
+        std::cout << "\n";
+    }
+
+    std::wstring wdupenv_str(const wchar_t* varname) noexcept
+    {
+        std::wstring ret;
+        wchar_t* buffer;
+        _wdupenv_s(&buffer, nullptr, varname);
+        if (buffer != nullptr)
+        {
+            ret = buffer;
+            free(buffer);
+        }
+        return ret;
+    }
+
+    void Stopwatch::start()
+    {
+        static_assert(sizeof(start_time) == sizeof(LARGE_INTEGER), "");
+
+        QueryPerformanceCounter(reinterpret_cast<LARGE_INTEGER*>(&start_time));
+    }
+
+    void Stopwatch::stop()
+    {
+        QueryPerformanceCounter(reinterpret_cast<LARGE_INTEGER*>(&end_time));
+        QueryPerformanceFrequency(reinterpret_cast<LARGE_INTEGER*>(&freq));
+    }
+
+    double Stopwatch::microseconds() const
+    {
+        return (reinterpret_cast<const LARGE_INTEGER*>(&end_time)->QuadPart -
+            reinterpret_cast<const LARGE_INTEGER*>(&start_time)->QuadPart) * 1000000.0 / reinterpret_cast<const LARGE_INTEGER*>(&freq)->QuadPart;
+    }
+}}