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ntool/ncli/info.go

55 lines
1.0 KiB
Go

package ncli
import (
"git.noahlan.cn/noahlan/ntool/internal/common"
"golang.org/x/term"
"os"
"path"
)
// Workdir get
func Workdir() string {
return common.Workdir()
}
// BinDir get
func BinDir() string {
return path.Dir(os.Args[0])
}
// BinFile get
func BinFile() string {
return os.Args[0]
}
// BinName get
func BinName() string {
return path.Base(os.Args[0])
}
// exec: `stty -a 2>&1`
// const (
// mac: speed 9600 baud; 97 rows; 362 columns;
// macSttyMsgPattern = `(\d+)\s+rows;\s*(\d+)\s+columns;`
// linux: speed 38400 baud; rows 97; columns 362; line = 0;
// linuxSttyMsgPattern = `rows\s+(\d+);\s*columns\s+(\d+);`
// )
var terminalWidth, terminalHeight int
// GetTermSize for current console terminal.
func GetTermSize(refresh ...bool) (w int, h int) {
if terminalWidth > 0 && len(refresh) > 0 && !refresh[0] {
return terminalWidth, terminalHeight
}
var err error
w, h, err = term.GetSize(syscallStdinFd())
if err != nil {
return
}
// cache result
terminalWidth, terminalHeight = w, h
return
}