Adds the sdi_toolBox library (temporary version)

sdi_toolBox_1.0.x/toolBox/sdi_toolBox/console/msw/win32Console.h

@@ -0,0 +1,124 @@
+/*
+{{copyright}} 
+*/
+
+/*
+{{version}} 
+*/
+
+/*
+{{license}} 
+*/
+
+#pragma once
+
+#ifdef _WIN32
+#  include <Windows.h>
+#endif     // defined WIN32
+
+#include <iostream>
+#include <memory>
+
+namespace sdi_toolBox::logs
+{
+//--------------------------------------------------------------
+class Win32Console
+{
+  public:
+  static void initConsole();        // Init application console and attach debug console under MSW
+  static void releaseConsole();     // Release application console
+
+  public:
+  virtual ~Win32Console();                                           // Default destructor
+  Win32Console(const Win32Console &obj)                = delete;     // Copy constructor
+  Win32Console(Win32Console &&obj) noexcept            = delete;     // Move constructor
+  Win32Console &operator=(const Win32Console &obj)     = delete;     // Copy assignment operator
+  Win32Console &operator=(Win32Console &&obj) noexcept = delete;     // Move assignment operator
+
+  static bool hasAttachedConsole();     // Returns true if console is attached, false otherwise
+
+  protected:
+  static inline std::unique_ptr<Win32Console> m_singleton;
+  Win32Console();     // Default constructor
+
+  FILE *m_stdoutFile;     // Reopened stdout file pointer
+  FILE *m_stderrFile;     // Reopened stderr file pointer
+};
+//--------------------------------------------------------------
+/* Init application console and attach debug console under MSW */
+inline void Win32Console::initConsole()
+{
+#ifndef _WIN32
+#  error This calss is only available under Windows systems
+#endif
+
+  if (!m_singleton)
+    m_singleton = std::unique_ptr<Win32Console>(new Win32Console());
+}
+//--------------------------------------------------------------
+/* Release application console */
+inline void Win32Console::releaseConsole()
+{
+  if (m_singleton)
+    m_singleton.reset();
+}
+//--------------------------------------------------------------
+/* Default constructor */
+inline Win32Console::Win32Console()
+{
+#ifdef _WIN32
+  bool consoleIsCreated = false;
+
+  // Try to attach application to the current console
+  AttachConsole(ATTACH_PARENT_PROCESS);
+
+  if (!GetConsoleWindow())     // No console was available
+  {
+    // Create console and attach application to it
+    if (!AllocConsole())
+      throw std::logic_error("Unable to attach application to debug console");     // Error during creating console
+    consoleIsCreated = true;
+  }
+
+  // Reopen stdout and stderr streams to console window
+  if (freopen_s(&m_stdoutFile, "CONOUT$", "w", stdout) != 0)
+    throw std::logic_error("Unable to reopen stdout");     // Error during reopen on stdout
+
+  if (freopen_s(&m_stderrFile, "CONOUT$", "w", stderr) != 0)
+    throw std::logic_error("Unable to reopen stderr");     // Error during reopen on stderr
+
+  std::cout.clear();
+  std::cerr.clear();
+
+  if (!consoleIsCreated)
+    std::cout << std::endl;     // Add a new line if console was already existing
+#endif
+}
+//--------------------------------------------------------------
+/* Default destructor */
+inline Win32Console::~Win32Console()
+{
+#ifdef _WIN32
+  std::cout.clear();
+  std::cerr.clear();
+
+  // Free console
+  FreeConsole();
+
+  // Close reopened stdout and stderr streams
+  (void)fclose(m_stdoutFile);
+  (void)fclose(m_stderrFile);
+#endif
+}
+//--------------------------------------------------------------
+/* Returns true if console is attached, false otherwise */
+inline bool Win32Console::hasAttachedConsole()
+{
+#ifdef _WIN32
+  if (GetConsoleWindow())
+    return true;
+#endif
+  return false;
+}
+//--------------------------------------------------------------
+}     // namespace sdi_toolBox::logs