77 lines
2.4 KiB
Go
77 lines
2.4 KiB
Go
//go:build windows
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// +build windows
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package cli
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/* The code in this file comes from the "github.com/evanw/esbuild/internal/logger" package.
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MIT License
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Copyright (c) 2020 Evan Wallace
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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import (
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"os"
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"syscall"
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"unsafe"
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)
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const SupportsColorEscapes = true
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var kernel32 = syscall.NewLazyDLL("kernel32.dll")
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var getConsoleMode = kernel32.NewProc("GetConsoleMode")
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var getConsoleScreenBufferInfo = kernel32.NewProc("GetConsoleScreenBufferInfo")
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type consoleScreenBufferInfo struct {
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dwSizeX int16
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dwSizeY int16
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dwCursorPositionX int16
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dwCursorPositionY int16
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wAttributes uint16
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srWindowLeft int16
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srWindowTop int16
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srWindowRight int16
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srWindowBottom int16
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dwMaximumWindowSizeX int16
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dwMaximumWindowSizeY int16
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}
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func GetTerminalInfo(file *os.File) TerminalInfo {
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fd := file.Fd()
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// Is this file descriptor a terminal?
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var unused uint32
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isTTY, _, _ := syscall.SyscallN(getConsoleMode.Addr(), fd, uintptr(unsafe.Pointer(&unused)))
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// Get the width of the window
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var info consoleScreenBufferInfo
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syscall.SyscallN(getConsoleScreenBufferInfo.Addr(), fd, uintptr(unsafe.Pointer(&info)))
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return TerminalInfo{
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IsTTY: isTTY != 0,
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Width: int(info.dwSizeX) - 1,
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}
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}
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func errorStyle(*os.File) { }
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func resetStyle(*os.File) { }
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