mirror of https://gitee.com/bigwinds/arangodb
91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
/// DISCLAIMER
|
|
///
|
|
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
|
|
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
|
|
///
|
|
/// Licensed under the Apache License, Version 2.0 (the "License");
|
|
/// you may not use this file except in compliance with the License.
|
|
/// You may obtain a copy of the License at
|
|
///
|
|
/// http://www.apache.org/licenses/LICENSE-2.0
|
|
///
|
|
/// Unless required by applicable law or agreed to in writing, software
|
|
/// distributed under the License is distributed on an "AS IS" BASIS,
|
|
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
/// See the License for the specific language governing permissions and
|
|
/// limitations under the License.
|
|
///
|
|
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
|
|
///
|
|
/// @author Dr. Frank Celler
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "terminal-utils.h"
|
|
#ifdef TRI_HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief returns the columns width
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#if !defined(TRI_HAVE_SYS_IOCTL_H) && !defined(TRI_WIN32_CONSOLE)
|
|
|
|
TRI_TerminalSize TRI_DefaultTerminalSize() {
|
|
char* e = getenv("COLUMNS");
|
|
|
|
if (e != 0) {
|
|
int columns = (int)TRI_Int32String(e);
|
|
|
|
if (columns == 0 || TRI_errno() != TRI_ERROR_NO_ERROR) {
|
|
return TRI_DEFAULT_TERMINAL_SIZE;
|
|
}
|
|
|
|
e = getenv("LINES");
|
|
if (e != 0) {
|
|
int rows = (int)TRI_Int32String(e);
|
|
|
|
if (rows == 0 || TRI_errno() != TRI_ERROR_NO_ERROR) {
|
|
return TRI_DEFAULT_TERM_SIZE;
|
|
}
|
|
return TRI_TerminalSize{rows, columns};
|
|
}
|
|
}
|
|
|
|
return TRI_DEFAULT_TERMINAL_SIZE;
|
|
}
|
|
|
|
#endif
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief set the visibility of stdin inputs (turn off for password entry etc.)
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
void TRI_SetStdinVisibility(bool visible) {
|
|
#ifdef TRI_HAVE_TERMIOS_H
|
|
struct termios tty;
|
|
|
|
tcgetattr(STDIN_FILENO, &tty);
|
|
if (visible) {
|
|
tty.c_lflag |= ECHO;
|
|
} else {
|
|
tty.c_lflag &= ~ECHO;
|
|
}
|
|
(void)tcsetattr(STDIN_FILENO, TCSANOW, &tty);
|
|
#else
|
|
#ifdef _WIN32
|
|
HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
|
|
DWORD mode;
|
|
GetConsoleMode(hStdin, &mode);
|
|
|
|
if (visible) {
|
|
mode |= ENABLE_ECHO_INPUT;
|
|
} else {
|
|
mode &= ~ENABLE_ECHO_INPUT;
|
|
}
|
|
SetConsoleMode(hStdin, mode);
|
|
#endif
|
|
#endif
|
|
}
|