safcm: move sync_changes.go and term.go to frontend package

[safcm/safcm.git] / cmd / safcm / term.go

diff --git a/cmd/safcm/term.go b/cmd/safcm/term.go
deleted file mode 100644 (file)
index 47f7d62..0000000
--- a/cmd/safcm/term.go
+++ /dev/null
@@ -1,77 +0,0 @@
-// Functions for terminal output
-
-// Copyright (C) 2021  Simon Ruderich
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-package main
-
-import (
-       "fmt"
-       "regexp"
-)
-
-type Color int
-
-const (
-       _ Color = iota
-       ColorRed
-       ColorGreen
-       ColorCyan
-       ColorMagenta
-)
-
-func ColorString(isTTY bool, color Color, x string) string {
-       if !isTTY {
-               return x
-       }
-
-       var code string
-       switch color {
-       case ColorRed:
-               code = "31"
-       case ColorGreen:
-               code = "32"
-       case ColorMagenta:
-               code = "35"
-       case ColorCyan:
-               code = "36"
-       default:
-               panic(fmt.Sprintf("invalid color %v", color))
-       }
-       // TODO: check terminal support
-       return "\033[" + code + "m" + x + "\033[0m"
-}
-
-var escapeRegexp = regexp.MustCompile(`[\x00-\x08\x0B-\x1F\x7F]`)
-
-// EscapeControlCharacters escapes all ASCII control characters (except
-// newline and tab) by replacing them with their hex value. If the output is
-// to a TTY then the escaped characters are colored.
-//
-// This function must be used when displaying any input from remote hosts to
-// prevent terminal escape code injections.
-func EscapeControlCharacters(isTTY bool, x string) string {
-       return escapeRegexp.ReplaceAllStringFunc(x, func(x string) string {
-               if len(x) != 1 {
-                       panic("invalid escapeRegexp")
-               }
-               if x == "\r" {
-                       x = "\\r" // occurs often and more readable than \x0D
-               } else {
-                       x = fmt.Sprintf("\\x%02X", x[0])
-               }
-               return ColorString(isTTY, ColorMagenta, x)
-       })
-}