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feat(ansi-console): Format console with ansi excapes

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Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com>
This commit is contained in:
Rachel Powers
2025-04-17 23:18:57 -07:00
parent 4a2b5c72dc
commit 45b6454222
7 changed files with 225 additions and 174 deletions
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34
launcher/console/WindowsConsole.cpp
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@ -16,14 +16,18 @@
*
*/
#include "WindowsConsole.h"
#include <system_error>
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include "WindowsConsole.h"
#include <windows.h>
#include <fcntl.h>
#include <io.h>
#include <stdio.h>
#include <windows.h>
#include <cstddef>
#include <iostream>
void RedirectHandle(DWORD handle, FILE* stream, const char* mode)
@ -128,4 +132,28 @@ bool AttachWindowsConsole()
return false;
}
std::error_code
std::error_code EnableAnsiSupport()
{
// ref: https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilew
// Using `CreateFileW("CONOUT$", ...)` to retrieve the console handle works correctly even if STDOUT and/or STDERR are redirected
HANDLE console_handle = CreateFileW(L"CONOUT$", FILE_GENERIC_READ | FILE_GENERIC_WRITE, FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, 0);
if (console_handle == INVALID_HANDLE_VALUE) {
return std::error_code(GetLastError(), std::system_category());
}
// ref: https://docs.microsoft.com/en-us/windows/console/getconsolemode
DWORD console_mode;
if (0 == GetConsoleMode(console_handle, &console_mode)) {
return std::error_code(GetLastError(), std::system_category());
}
// VT processing not already enabled?
if ((console_mode & ENABLE_VIRTUAL_TERMINAL_PROCESSING) == 0) {
// https://docs.microsoft.com/en-us/windows/console/setconsolemode
if (0 == SetConsoleMode(console_handle, console_mode | ENABLE_VIRTUAL_TERMINAL_PROCESSING)) {
return std::error_code(GetLastError(), std::system_category());
}
}
return {};
}