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b68351fbc3
TEST=build Change-Id: Ie3be570c274b0275a995a0f54b5e6ccdfc77ccd3 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/292287 Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Brian Quinlan <bquinlan@google.com>
153 lines
3.6 KiB
C++
153 lines
3.6 KiB
C++
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "platform/globals.h"
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#if defined(DART_HOST_OS_WINDOWS)
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#include "bin/stdio.h"
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// These are not always defined in the header files. See:
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// https://msdn.microsoft.com/en-us/library/windows/desktop/ms686033(v=vs.85).aspx
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#ifndef ENABLE_VIRTUAL_TERMINAL_INPUT
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#define ENABLE_VIRTUAL_TERMINAL_INPUT 0x0200
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#endif
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#ifndef ENABLE_VIRTUAL_TERMINAL_PROCESSING
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#define ENABLE_VIRTUAL_TERMINAL_PROCESSING 0x0004
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#endif
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namespace dart {
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namespace bin {
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bool Stdin::ReadByte(intptr_t fd, int* byte) {
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HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
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uint8_t buffer[1];
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DWORD read = 0;
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BOOL success = ReadFile(h, buffer, 1, &read, nullptr);
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if (!success && (GetLastError() != ERROR_BROKEN_PIPE)) {
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return false;
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}
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*byte = (read == 1) ? buffer[0] : -1;
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return true;
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}
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bool Stdin::GetEchoMode(intptr_t fd, bool* enabled) {
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HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
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DWORD mode;
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if (!GetConsoleMode(h, &mode)) {
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return false;
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}
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*enabled = ((mode & ENABLE_ECHO_INPUT) != 0);
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return true;
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}
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bool Stdin::SetEchoMode(intptr_t fd, bool enabled) {
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HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
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DWORD mode;
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if (!GetConsoleMode(h, &mode)) {
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return false;
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}
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if (enabled) {
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mode |= ENABLE_ECHO_INPUT;
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} else {
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mode &= ~ENABLE_ECHO_INPUT;
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}
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return SetConsoleMode(h, mode);
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}
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bool Stdin::GetEchoNewlineMode(intptr_t fd, bool* enabled) {
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*enabled = false;
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return true;
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}
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bool Stdin::SetEchoNewlineMode(intptr_t fd, bool enabled) {
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if (enabled) {
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SetLastError(ERROR_NOT_CAPABLE);
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return false;
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}
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return true;
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}
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bool Stdin::GetLineMode(intptr_t fd, bool* enabled) {
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HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
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DWORD mode;
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if (!GetConsoleMode(h, &mode)) {
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return false;
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}
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*enabled = (mode & ENABLE_LINE_INPUT) != 0;
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return true;
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}
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bool Stdin::SetLineMode(intptr_t fd, bool enabled) {
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HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
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DWORD mode;
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if (!GetConsoleMode(h, &mode)) {
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return false;
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}
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if (enabled) {
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mode |= ENABLE_LINE_INPUT;
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} else {
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mode &= ~ENABLE_LINE_INPUT;
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}
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return SetConsoleMode(h, mode);
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}
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bool Stdin::AnsiSupported(intptr_t fd, bool* supported) {
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ASSERT(supported != nullptr);
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HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
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if (h == INVALID_HANDLE_VALUE) {
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*supported = false;
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return true;
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}
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DWORD mode;
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if (!GetConsoleMode(h, &mode)) {
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*supported = false;
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return true;
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}
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*supported = (mode & ENABLE_VIRTUAL_TERMINAL_INPUT) != 0;
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return true;
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}
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bool Stdout::GetTerminalSize(intptr_t fd, int size[2]) {
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HANDLE h;
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if (fd == 1) {
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h = GetStdHandle(STD_OUTPUT_HANDLE);
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} else {
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h = GetStdHandle(STD_ERROR_HANDLE);
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}
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CONSOLE_SCREEN_BUFFER_INFO info;
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if (!GetConsoleScreenBufferInfo(h, &info)) {
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return false;
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}
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size[0] = info.srWindow.Right - info.srWindow.Left + 1;
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size[1] = info.srWindow.Bottom - info.srWindow.Top + 1;
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return true;
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}
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bool Stdout::AnsiSupported(intptr_t fd, bool* supported) {
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ASSERT(supported != nullptr);
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HANDLE h;
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if (fd == 1) {
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h = GetStdHandle(STD_OUTPUT_HANDLE);
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} else {
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h = GetStdHandle(STD_ERROR_HANDLE);
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}
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if (h == INVALID_HANDLE_VALUE) {
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*supported = false;
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return true;
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}
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DWORD mode;
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if (!GetConsoleMode(h, &mode)) {
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*supported = false;
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return true;
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}
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*supported = (mode & ENABLE_VIRTUAL_TERMINAL_PROCESSING) != 0;
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return true;
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}
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} // namespace bin
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} // namespace dart
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#endif // defined(DART_HOST_OS_WINDOWS)
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