diff options
Diffstat (limited to 'Godeps/_workspace/src/github.com/peterh/liner/output.go')
-rw-r--r-- | Godeps/_workspace/src/github.com/peterh/liner/output.go | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/Godeps/_workspace/src/github.com/peterh/liner/output.go b/Godeps/_workspace/src/github.com/peterh/liner/output.go deleted file mode 100644 index 049273b53..000000000 --- a/Godeps/_workspace/src/github.com/peterh/liner/output.go +++ /dev/null @@ -1,75 +0,0 @@ -// +build linux darwin openbsd freebsd netbsd - -package liner - -import ( - "fmt" - "os" - "strings" - "syscall" - "unsafe" -) - -func (s *State) cursorPos(x int) { - if s.useCHA { - // 'G' is "Cursor Character Absolute (CHA)" - fmt.Printf("\x1b[%dG", x+1) - } else { - // 'C' is "Cursor Forward (CUF)" - fmt.Print("\r") - if x > 0 { - fmt.Printf("\x1b[%dC", x) - } - } -} - -func (s *State) eraseLine() { - fmt.Print("\x1b[0K") -} - -func (s *State) eraseScreen() { - fmt.Print("\x1b[H\x1b[2J") -} - -func (s *State) moveUp(lines int) { - fmt.Printf("\x1b[%dA", lines) -} - -func (s *State) moveDown(lines int) { - fmt.Printf("\x1b[%dB", lines) -} - -func (s *State) emitNewLine() { - fmt.Print("\n") -} - -type winSize struct { - row, col uint16 - xpixel, ypixel uint16 -} - -func (s *State) getColumns() { - var ws winSize - ok, _, _ := syscall.Syscall(syscall.SYS_IOCTL, uintptr(syscall.Stdout), - syscall.TIOCGWINSZ, uintptr(unsafe.Pointer(&ws))) - if ok < 0 { - s.columns = 80 - } - s.columns = int(ws.col) -} - -func (s *State) checkOutput() { - // xterm is known to support CHA - if strings.Contains(strings.ToLower(os.Getenv("TERM")), "xterm") { - s.useCHA = true - return - } - - // The test for functional ANSI CHA is unreliable (eg the Windows - // telnet command does not support reading the cursor position with - // an ANSI DSR request, despite setting TERM=ansi) - - // Assume CHA isn't supported (which should be safe, although it - // does result in occasional visible cursor jitter) - s.useCHA = false -} |