diff options
Diffstat (limited to 'vendor/github.com/mattn/go-colorable')
4 files changed, 279 insertions, 117 deletions
diff --git a/vendor/github.com/mattn/go-colorable/README.md b/vendor/github.com/mattn/go-colorable/README.md index e84226a73..56729a92c 100644 --- a/vendor/github.com/mattn/go-colorable/README.md +++ b/vendor/github.com/mattn/go-colorable/README.md @@ -1,5 +1,10 @@ # go-colorable +[](http://godoc.org/github.com/mattn/go-colorable) +[](https://travis-ci.org/mattn/go-colorable) +[](https://coveralls.io/github/mattn/go-colorable?branch=master) +[](https://goreportcard.com/report/mattn/go-colorable) + Colorable writer for windows. For example, most of logger packages doesn't show colors on windows. (I know we can do it with ansicon. But I don't want.) diff --git a/vendor/github.com/mattn/go-colorable/colorable_others.go b/vendor/github.com/mattn/go-colorable/colorable_others.go index a7fe19a8c..887f203dc 100644 --- a/vendor/github.com/mattn/go-colorable/colorable_others.go +++ b/vendor/github.com/mattn/go-colorable/colorable_others.go @@ -1,10 +1,13 @@ // +build !windows +// +build !appengine package colorable import ( "io" "os" + + _ "github.com/mattn/go-isatty" ) // NewColorable return new instance of Writer which handle escape sequence. diff --git a/vendor/github.com/mattn/go-colorable/colorable_windows.go b/vendor/github.com/mattn/go-colorable/colorable_windows.go index 628ad904e..404e10ca0 100644 --- a/vendor/github.com/mattn/go-colorable/colorable_windows.go +++ b/vendor/github.com/mattn/go-colorable/colorable_windows.go @@ -1,3 +1,6 @@ +// +build windows +// +build !appengine + package colorable import ( @@ -26,6 +29,15 @@ const ( backgroundMask = (backgroundRed | backgroundBlue | backgroundGreen | backgroundIntensity) ) +const ( + genericRead = 0x80000000 + genericWrite = 0x40000000 +) + +const ( + consoleTextmodeBuffer = 0x1 +) + type wchar uint16 type short int16 type dword uint32 @@ -65,14 +77,18 @@ var ( procFillConsoleOutputAttribute = kernel32.NewProc("FillConsoleOutputAttribute") procGetConsoleCursorInfo = kernel32.NewProc("GetConsoleCursorInfo") procSetConsoleCursorInfo = kernel32.NewProc("SetConsoleCursorInfo") + procSetConsoleTitle = kernel32.NewProc("SetConsoleTitleW") + procCreateConsoleScreenBuffer = kernel32.NewProc("CreateConsoleScreenBuffer") ) +// Writer provide colorable Writer to the console type Writer struct { - out io.Writer - handle syscall.Handle - lastbuf bytes.Buffer - oldattr word - oldpos coord + out io.Writer + handle syscall.Handle + althandle syscall.Handle + oldattr word + oldpos coord + rest bytes.Buffer } // NewColorable return new instance of Writer which handle escape sequence from File. @@ -86,9 +102,8 @@ func NewColorable(file *os.File) io.Writer { handle := syscall.Handle(file.Fd()) procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) return &Writer{out: file, handle: handle, oldattr: csbi.attributes, oldpos: coord{0, 0}} - } else { - return file } + return file } // NewColorableStdout return new instance of Writer which handle escape sequence for stdout. @@ -360,20 +375,65 @@ var color256 = map[int]int{ 255: 0xeeeeee, } +// `\033]0;TITLESTR\007` +func doTitleSequence(er *bytes.Reader) error { + var c byte + var err error + + c, err = er.ReadByte() + if err != nil { + return err + } + if c != '0' && c != '2' { + return nil + } + c, err = er.ReadByte() + if err != nil { + return err + } + if c != ';' { + return nil + } + title := make([]byte, 0, 80) + for { + c, err = er.ReadByte() + if err != nil { + return err + } + if c == 0x07 || c == '\n' { + break + } + title = append(title, c) + } + if len(title) > 0 { + title8, err := syscall.UTF16PtrFromString(string(title)) + if err == nil { + procSetConsoleTitle.Call(uintptr(unsafe.Pointer(title8))) + } + } + return nil +} + // Write write data on console func (w *Writer) Write(data []byte) (n int, err error) { var csbi consoleScreenBufferInfo procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi))) - er := bytes.NewReader(data) + handle := w.handle + + var er *bytes.Reader + if w.rest.Len() > 0 { + var rest bytes.Buffer + w.rest.WriteTo(&rest) + w.rest.Reset() + rest.Write(data) + er = bytes.NewReader(rest.Bytes()) + } else { + er = bytes.NewReader(data) + } var bw [1]byte loop: for { - r1, _, err := procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi))) - if r1 == 0 { - break loop - } - c1, err := er.ReadByte() if err != nil { break loop @@ -385,155 +445,202 @@ loop: } c2, err := er.ReadByte() if err != nil { - w.lastbuf.WriteByte(c1) break loop } - if c2 != 0x5b { - w.lastbuf.WriteByte(c1) - w.lastbuf.WriteByte(c2) + + switch c2 { + case '>': + continue + case ']': + w.rest.WriteByte(c1) + w.rest.WriteByte(c2) + er.WriteTo(&w.rest) + if bytes.IndexByte(w.rest.Bytes(), 0x07) == -1 { + break loop + } + er = bytes.NewReader(w.rest.Bytes()[2:]) + err := doTitleSequence(er) + if err != nil { + break loop + } + w.rest.Reset() + continue + // https://github.com/mattn/go-colorable/issues/27 + case '7': + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + w.oldpos = csbi.cursorPosition + continue + case '8': + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&w.oldpos))) + continue + case 0x5b: + // execute part after switch + default: continue } + w.rest.WriteByte(c1) + w.rest.WriteByte(c2) + er.WriteTo(&w.rest) + var buf bytes.Buffer var m byte - for { - c, err := er.ReadByte() - if err != nil { - w.lastbuf.WriteByte(c1) - w.lastbuf.WriteByte(c2) - w.lastbuf.Write(buf.Bytes()) - break loop - } + for i, c := range w.rest.Bytes()[2:] { if ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || c == '@' { m = c + er = bytes.NewReader(w.rest.Bytes()[2+i+1:]) + w.rest.Reset() break } buf.Write([]byte(string(c))) } + if m == 0 { + break loop + } - var csbi consoleScreenBufferInfo switch m { case 'A': n, err = strconv.Atoi(buf.String()) if err != nil { continue } - procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi))) + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) csbi.cursorPosition.y -= short(n) - procSetConsoleCursorPosition.Call(uintptr(w.handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) case 'B': n, err = strconv.Atoi(buf.String()) if err != nil { continue } - procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi))) + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) csbi.cursorPosition.y += short(n) - procSetConsoleCursorPosition.Call(uintptr(w.handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) case 'C': n, err = strconv.Atoi(buf.String()) if err != nil { continue } - procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi))) - csbi.cursorPosition.x -= short(n) - procSetConsoleCursorPosition.Call(uintptr(w.handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + csbi.cursorPosition.x += short(n) + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) case 'D': n, err = strconv.Atoi(buf.String()) if err != nil { continue } - if n, err = strconv.Atoi(buf.String()); err == nil { - var csbi consoleScreenBufferInfo - procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi))) - csbi.cursorPosition.x += short(n) - procSetConsoleCursorPosition.Call(uintptr(w.handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + csbi.cursorPosition.x -= short(n) + if csbi.cursorPosition.x < 0 { + csbi.cursorPosition.x = 0 } + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) case 'E': n, err = strconv.Atoi(buf.String()) if err != nil { continue } - procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi))) + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) csbi.cursorPosition.x = 0 csbi.cursorPosition.y += short(n) - procSetConsoleCursorPosition.Call(uintptr(w.handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) case 'F': n, err = strconv.Atoi(buf.String()) if err != nil { continue } - procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi))) + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) csbi.cursorPosition.x = 0 csbi.cursorPosition.y -= short(n) - procSetConsoleCursorPosition.Call(uintptr(w.handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) case 'G': n, err = strconv.Atoi(buf.String()) if err != nil { continue } - procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi))) + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) csbi.cursorPosition.x = short(n - 1) - procSetConsoleCursorPosition.Call(uintptr(w.handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) - case 'H': - token := strings.Split(buf.String(), ";") - if len(token) != 2 { - continue - } - n1, err := strconv.Atoi(token[0]) - if err != nil { - continue - } - n2, err := strconv.Atoi(token[1]) - if err != nil { - continue + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + case 'H', 'f': + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + if buf.Len() > 0 { + token := strings.Split(buf.String(), ";") + switch len(token) { + case 1: + n1, err := strconv.Atoi(token[0]) + if err != nil { + continue + } + csbi.cursorPosition.y = short(n1 - 1) + case 2: + n1, err := strconv.Atoi(token[0]) + if err != nil { + continue + } + n2, err := strconv.Atoi(token[1]) + if err != nil { + continue + } + csbi.cursorPosition.x = short(n2 - 1) + csbi.cursorPosition.y = short(n1 - 1) + } + } else { + csbi.cursorPosition.y = 0 } - csbi.cursorPosition.x = short(n2 - 1) - csbi.cursorPosition.y = short(n1 - 1) - procSetConsoleCursorPosition.Call(uintptr(w.handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) case 'J': - n, err := strconv.Atoi(buf.String()) - if err != nil { - continue + n := 0 + if buf.Len() > 0 { + n, err = strconv.Atoi(buf.String()) + if err != nil { + continue + } } - procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi))) + var count, written dword var cursor coord + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) switch n { case 0: cursor = coord{x: csbi.cursorPosition.x, y: csbi.cursorPosition.y} + count = dword(csbi.size.x) - dword(csbi.cursorPosition.x) + dword(csbi.size.y-csbi.cursorPosition.y)*dword(csbi.size.x) case 1: cursor = coord{x: csbi.window.left, y: csbi.window.top} + count = dword(csbi.size.x) - dword(csbi.cursorPosition.x) + dword(csbi.window.top-csbi.cursorPosition.y)*dword(csbi.size.x) case 2: cursor = coord{x: csbi.window.left, y: csbi.window.top} + count = dword(csbi.size.x) - dword(csbi.cursorPosition.x) + dword(csbi.size.y-csbi.cursorPosition.y)*dword(csbi.size.x) } - var count, written dword - count = dword(csbi.size.x - csbi.cursorPosition.x + (csbi.size.y-csbi.cursorPosition.y)*csbi.size.x) - procFillConsoleOutputCharacter.Call(uintptr(w.handle), uintptr(' '), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written))) - procFillConsoleOutputAttribute.Call(uintptr(w.handle), uintptr(csbi.attributes), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written))) + procFillConsoleOutputCharacter.Call(uintptr(handle), uintptr(' '), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written))) + procFillConsoleOutputAttribute.Call(uintptr(handle), uintptr(csbi.attributes), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written))) case 'K': - n, err := strconv.Atoi(buf.String()) - if err != nil { - continue + n := 0 + if buf.Len() > 0 { + n, err = strconv.Atoi(buf.String()) + if err != nil { + continue + } } - procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi))) + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) var cursor coord + var count, written dword switch n { case 0: cursor = coord{x: csbi.cursorPosition.x, y: csbi.cursorPosition.y} + count = dword(csbi.size.x - csbi.cursorPosition.x) case 1: - cursor = coord{x: csbi.window.left, y: csbi.window.top + csbi.cursorPosition.y} + cursor = coord{x: csbi.window.left, y: csbi.cursorPosition.y} + count = dword(csbi.size.x - csbi.cursorPosition.x) case 2: - cursor = coord{x: csbi.window.left, y: csbi.window.top + csbi.cursorPosition.y} + cursor = coord{x: csbi.window.left, y: csbi.cursorPosition.y} + count = dword(csbi.size.x) } - var count, written dword - count = dword(csbi.size.x - csbi.cursorPosition.x) - procFillConsoleOutputCharacter.Call(uintptr(w.handle), uintptr(' '), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written))) - procFillConsoleOutputAttribute.Call(uintptr(w.handle), uintptr(csbi.attributes), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written))) + procFillConsoleOutputCharacter.Call(uintptr(handle), uintptr(' '), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written))) + procFillConsoleOutputAttribute.Call(uintptr(handle), uintptr(csbi.attributes), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written))) case 'm': - procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi))) + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) attr := csbi.attributes cs := buf.String() if cs == "" { - procSetConsoleTextAttribute.Call(uintptr(w.handle), uintptr(w.oldattr)) + procSetConsoleTextAttribute.Call(uintptr(handle), uintptr(w.oldattr)) continue } token := strings.Split(cs, ";") @@ -547,7 +654,7 @@ loop: attr |= foregroundIntensity case n == 7: attr = ((attr & foregroundMask) << 4) | ((attr & backgroundMask) >> 4) - case 22 == n || n == 25 || n == 25: + case n == 22 || n == 25: attr |= foregroundIntensity case n == 27: attr = ((attr & foregroundMask) << 4) | ((attr & backgroundMask) >> 4) @@ -572,6 +679,21 @@ loop: attr |= n256foreAttr[n256] i += 2 } + } else if len(token) == 5 && token[i+1] == "2" { + var r, g, b int + r, _ = strconv.Atoi(token[i+2]) + g, _ = strconv.Atoi(token[i+3]) + b, _ = strconv.Atoi(token[i+4]) + i += 4 + if r > 127 { + attr |= foregroundRed + } + if g > 127 { + attr |= foregroundGreen + } + if b > 127 { + attr |= foregroundBlue + } } else { attr = attr & (w.oldattr & backgroundMask) } @@ -599,6 +721,21 @@ loop: attr |= n256backAttr[n256] i += 2 } + } else if len(token) == 5 && token[i+1] == "2" { + var r, g, b int + r, _ = strconv.Atoi(token[i+2]) + g, _ = strconv.Atoi(token[i+3]) + b, _ = strconv.Atoi(token[i+4]) + i += 4 + if r > 127 { + attr |= backgroundRed + } + if g > 127 { + attr |= backgroundGreen + } + if b > 127 { + attr |= backgroundBlue + } } else { attr = attr & (w.oldattr & foregroundMask) } @@ -630,33 +767,56 @@ loop: attr |= backgroundBlue } } - procSetConsoleTextAttribute.Call(uintptr(w.handle), uintptr(attr)) + procSetConsoleTextAttribute.Call(uintptr(handle), uintptr(attr)) } } case 'h': + var ci consoleCursorInfo cs := buf.String() - if cs == "?25" { - var ci consoleCursorInfo - procGetConsoleCursorInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&ci))) + if cs == "5>" { + procGetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci))) + ci.visible = 0 + procSetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci))) + } else if cs == "?25" { + procGetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci))) ci.visible = 1 - procSetConsoleCursorInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&ci))) + procSetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci))) + } else if cs == "?1049" { + if w.althandle == 0 { + h, _, _ := procCreateConsoleScreenBuffer.Call(uintptr(genericRead|genericWrite), 0, 0, uintptr(consoleTextmodeBuffer), 0, 0) + w.althandle = syscall.Handle(h) + if w.althandle != 0 { + handle = w.althandle + } + } } case 'l': + var ci consoleCursorInfo cs := buf.String() - if cs == "?25" { - var ci consoleCursorInfo - procGetConsoleCursorInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&ci))) + if cs == "5>" { + procGetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci))) + ci.visible = 1 + procSetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci))) + } else if cs == "?25" { + procGetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci))) ci.visible = 0 - procSetConsoleCursorInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&ci))) + procSetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci))) + } else if cs == "?1049" { + if w.althandle != 0 { + syscall.CloseHandle(w.althandle) + w.althandle = 0 + handle = w.handle + } } case 's': - procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi))) + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) w.oldpos = csbi.cursorPosition case 'u': - procSetConsoleCursorPosition.Call(uintptr(w.handle), *(*uintptr)(unsafe.Pointer(&w.oldpos))) + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&w.oldpos))) } } - return len(data) - w.lastbuf.Len(), nil + + return len(data), nil } type consoleColor struct { @@ -700,22 +860,22 @@ func (c consoleColor) backgroundAttr() (attr word) { } var color16 = []consoleColor{ - consoleColor{0x000000, false, false, false, false}, - consoleColor{0x000080, false, false, true, false}, - consoleColor{0x008000, false, true, false, false}, - consoleColor{0x008080, false, true, true, false}, - consoleColor{0x800000, true, false, false, false}, - consoleColor{0x800080, true, false, true, false}, - consoleColor{0x808000, true, true, false, false}, - consoleColor{0xc0c0c0, true, true, true, false}, - consoleColor{0x808080, false, false, false, true}, - consoleColor{0x0000ff, false, false, true, true}, - consoleColor{0x00ff00, false, true, false, true}, - consoleColor{0x00ffff, false, true, true, true}, - consoleColor{0xff0000, true, false, false, true}, - consoleColor{0xff00ff, true, false, true, true}, - consoleColor{0xffff00, true, true, false, true}, - consoleColor{0xffffff, true, true, true, true}, + {0x000000, false, false, false, false}, + {0x000080, false, false, true, false}, + {0x008000, false, true, false, false}, + {0x008080, false, true, true, false}, + {0x800000, true, false, false, false}, + {0x800080, true, false, true, false}, + {0x808000, true, true, false, false}, + {0xc0c0c0, true, true, true, false}, + {0x808080, false, false, false, true}, + {0x0000ff, false, false, true, true}, + {0x00ff00, false, true, false, true}, + {0x00ffff, false, true, true, true}, + {0xff0000, true, false, false, true}, + {0xff00ff, true, false, true, true}, + {0xffff00, true, true, false, true}, + {0xffffff, true, true, true, true}, } type hsv struct { diff --git a/vendor/github.com/mattn/go-colorable/noncolorable.go b/vendor/github.com/mattn/go-colorable/noncolorable.go index ca588c78a..9721e16f4 100644 --- a/vendor/github.com/mattn/go-colorable/noncolorable.go +++ b/vendor/github.com/mattn/go-colorable/noncolorable.go @@ -7,8 +7,7 @@ import ( // NonColorable hold writer but remove escape sequence. type NonColorable struct { - out io.Writer - lastbuf bytes.Buffer + out io.Writer } // NewNonColorable return new instance of Writer which remove escape sequence from Writer. @@ -33,12 +32,9 @@ loop: } c2, err := er.ReadByte() if err != nil { - w.lastbuf.WriteByte(c1) break loop } if c2 != 0x5b { - w.lastbuf.WriteByte(c1) - w.lastbuf.WriteByte(c2) continue } @@ -46,9 +42,6 @@ loop: for { c, err := er.ReadByte() if err != nil { - w.lastbuf.WriteByte(c1) - w.lastbuf.WriteByte(c2) - w.lastbuf.Write(buf.Bytes()) break loop } if ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || c == '@' { @@ -57,5 +50,6 @@ loop: buf.Write([]byte(string(c))) } } - return len(data) - w.lastbuf.Len(), nil + + return len(data), nil } |