mirror of
https://github.com/go-gitea/gitea
synced 2024-12-30 12:34:28 +00:00
64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
|
package middleware
|
||
|
|
|
||
|
|
// Ported from Goji's middleware, source:
|
||
|
|
// https://github.com/zenazn/goji/tree/master/web/middleware
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"io"
|
||
|
|
"os"
|
||
|
|
)
|
||
|
|
|
||
|
|
var (
|
||
|
|
// Normal colors
|
||
|
|
nBlack = []byte{'\033', '[', '3', '0', 'm'}
|
||
|
|
nRed = []byte{'\033', '[', '3', '1', 'm'}
|
||
|
|
nGreen = []byte{'\033', '[', '3', '2', 'm'}
|
||
|
|
nYellow = []byte{'\033', '[', '3', '3', 'm'}
|
||
|
|
nBlue = []byte{'\033', '[', '3', '4', 'm'}
|
||
|
|
nMagenta = []byte{'\033', '[', '3', '5', 'm'}
|
||
|
|
nCyan = []byte{'\033', '[', '3', '6', 'm'}
|
||
|
|
nWhite = []byte{'\033', '[', '3', '7', 'm'}
|
||
|
|
// Bright colors
|
||
|
|
bBlack = []byte{'\033', '[', '3', '0', ';', '1', 'm'}
|
||
|
|
bRed = []byte{'\033', '[', '3', '1', ';', '1', 'm'}
|
||
|
|
bGreen = []byte{'\033', '[', '3', '2', ';', '1', 'm'}
|
||
|
|
bYellow = []byte{'\033', '[', '3', '3', ';', '1', 'm'}
|
||
|
|
bBlue = []byte{'\033', '[', '3', '4', ';', '1', 'm'}
|
||
|
|
bMagenta = []byte{'\033', '[', '3', '5', ';', '1', 'm'}
|
||
|
|
bCyan = []byte{'\033', '[', '3', '6', ';', '1', 'm'}
|
||
|
|
bWhite = []byte{'\033', '[', '3', '7', ';', '1', 'm'}
|
||
|
|
|
||
|
|
reset = []byte{'\033', '[', '0', 'm'}
|
||
|
|
)
|
||
|
|
|
||
|
|
var IsTTY bool
|
||
|
|
|
||
|
|
func init() {
|
||
|
|
// This is sort of cheating: if stdout is a character device, we assume
|
||
|
|
// that means it's a TTY. Unfortunately, there are many non-TTY
|
||
|
|
// character devices, but fortunately stdout is rarely set to any of
|
||
|
|
// them.
|
||
|
|
//
|
||
|
|
// We could solve this properly by pulling in a dependency on
|
||
|
|
// code.google.com/p/go.crypto/ssh/terminal, for instance, but as a
|
||
|
|
// heuristic for whether to print in color or in black-and-white, I'd
|
||
|
|
// really rather not.
|
||
|
|
fi, err := os.Stdout.Stat()
|
||
|
|
if err == nil {
|
||
|
|
m := os.ModeDevice | os.ModeCharDevice
|
||
|
|
IsTTY = fi.Mode()&m == m
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// colorWrite
|
||
|
|
func cW(w io.Writer, useColor bool, color []byte, s string, args ...interface{}) {
|
||
|
|
if IsTTY && useColor {
|
||
|
|
w.Write(color)
|
||
|
|
}
|
||
|
|
fmt.Fprintf(w, s, args...)
|
||
|
|
if IsTTY && useColor {
|
||
|
|
w.Write(reset)
|
||
|
|
}
|
||
|
|
}
|