diff options
Diffstat (limited to 'vendor/github.com/mattn')
17 files changed, 1557 insertions, 0 deletions
diff --git a/vendor/github.com/mattn/go-colorable/LICENSE b/vendor/github.com/mattn/go-colorable/LICENSE new file mode 100644 index 0000000..91b5cef --- /dev/null +++ b/vendor/github.com/mattn/go-colorable/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2016 Yasuhiro Matsumoto + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/vendor/github.com/mattn/go-colorable/README.md b/vendor/github.com/mattn/go-colorable/README.md new file mode 100644 index 0000000..ca04837 --- /dev/null +++ b/vendor/github.com/mattn/go-colorable/README.md @@ -0,0 +1,48 @@ +# go-colorable + +[](https://github.com/mattn/go-colorable/actions?query=workflow%3Atest) +[](https://codecov.io/gh/mattn/go-colorable) +[](http://godoc.org/github.com/mattn/go-colorable) +[](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.) +This package is possible to handle escape sequence for ansi color on windows. + +## Too Bad! + + + + +## So Good! + + + +## Usage + +```go +logrus.SetFormatter(&logrus.TextFormatter{ForceColors: true}) +logrus.SetOutput(colorable.NewColorableStdout()) + +logrus.Info("succeeded") +logrus.Warn("not correct") +logrus.Error("something error") +logrus.Fatal("panic") +``` + +You can compile above code on non-windows OSs. + +## Installation + +``` +$ go get github.com/mattn/go-colorable +``` + +# License + +MIT + +# Author + +Yasuhiro Matsumoto (a.k.a mattn) diff --git a/vendor/github.com/mattn/go-colorable/colorable_appengine.go b/vendor/github.com/mattn/go-colorable/colorable_appengine.go new file mode 100644 index 0000000..416d1bb --- /dev/null +++ b/vendor/github.com/mattn/go-colorable/colorable_appengine.go @@ -0,0 +1,38 @@ +//go:build appengine +// +build appengine + +package colorable + +import ( + "io" + "os" + + _ "github.com/mattn/go-isatty" +) + +// NewColorable returns new instance of Writer which handles escape sequence. +func NewColorable(file *os.File) io.Writer { + if file == nil { + panic("nil passed instead of *os.File to NewColorable()") + } + + return file +} + +// NewColorableStdout returns new instance of Writer which handles escape sequence for stdout. +func NewColorableStdout() io.Writer { + return os.Stdout +} + +// NewColorableStderr returns new instance of Writer which handles escape sequence for stderr. +func NewColorableStderr() io.Writer { + return os.Stderr +} + +// EnableColorsStdout enable colors if possible. +func EnableColorsStdout(enabled *bool) func() { + if enabled != nil { + *enabled = true + } + return func() {} +} diff --git a/vendor/github.com/mattn/go-colorable/colorable_others.go b/vendor/github.com/mattn/go-colorable/colorable_others.go new file mode 100644 index 0000000..766d946 --- /dev/null +++ b/vendor/github.com/mattn/go-colorable/colorable_others.go @@ -0,0 +1,38 @@ +//go:build !windows && !appengine +// +build !windows,!appengine + +package colorable + +import ( + "io" + "os" + + _ "github.com/mattn/go-isatty" +) + +// NewColorable returns new instance of Writer which handles escape sequence. +func NewColorable(file *os.File) io.Writer { + if file == nil { + panic("nil passed instead of *os.File to NewColorable()") + } + + return file +} + +// NewColorableStdout returns new instance of Writer which handles escape sequence for stdout. +func NewColorableStdout() io.Writer { + return os.Stdout +} + +// NewColorableStderr returns new instance of Writer which handles escape sequence for stderr. +func NewColorableStderr() io.Writer { + return os.Stderr +} + +// EnableColorsStdout enable colors if possible. +func EnableColorsStdout(enabled *bool) func() { + if enabled != nil { + *enabled = true + } + return func() {} +} diff --git a/vendor/github.com/mattn/go-colorable/colorable_windows.go b/vendor/github.com/mattn/go-colorable/colorable_windows.go new file mode 100644 index 0000000..1846ad5 --- /dev/null +++ b/vendor/github.com/mattn/go-colorable/colorable_windows.go @@ -0,0 +1,1047 @@ +//go:build windows && !appengine +// +build windows,!appengine + +package colorable + +import ( + "bytes" + "io" + "math" + "os" + "strconv" + "strings" + "sync" + "syscall" + "unsafe" + + "github.com/mattn/go-isatty" +) + +const ( + foregroundBlue = 0x1 + foregroundGreen = 0x2 + foregroundRed = 0x4 + foregroundIntensity = 0x8 + foregroundMask = (foregroundRed | foregroundBlue | foregroundGreen | foregroundIntensity) + backgroundBlue = 0x10 + backgroundGreen = 0x20 + backgroundRed = 0x40 + backgroundIntensity = 0x80 + backgroundMask = (backgroundRed | backgroundBlue | backgroundGreen | backgroundIntensity) + commonLvbUnderscore = 0x8000 + + cENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x4 +) + +const ( + genericRead = 0x80000000 + genericWrite = 0x40000000 +) + +const ( + consoleTextmodeBuffer = 0x1 +) + +type wchar uint16 +type short int16 +type dword uint32 +type word uint16 + +type coord struct { + x short + y short +} + +type smallRect struct { + left short + top short + right short + bottom short +} + +type consoleScreenBufferInfo struct { + size coord + cursorPosition coord + attributes word + window smallRect + maximumWindowSize coord +} + +type consoleCursorInfo struct { + size dword + visible int32 +} + +var ( + kernel32 = syscall.NewLazyDLL("kernel32.dll") + procGetConsoleScreenBufferInfo = kernel32.NewProc("GetConsoleScreenBufferInfo") + procSetConsoleTextAttribute = kernel32.NewProc("SetConsoleTextAttribute") + procSetConsoleCursorPosition = kernel32.NewProc("SetConsoleCursorPosition") + procFillConsoleOutputCharacter = kernel32.NewProc("FillConsoleOutputCharacterW") + procFillConsoleOutputAttribute = kernel32.NewProc("FillConsoleOutputAttribute") + procGetConsoleCursorInfo = kernel32.NewProc("GetConsoleCursorInfo") + procSetConsoleCursorInfo = kernel32.NewProc("SetConsoleCursorInfo") + procSetConsoleTitle = kernel32.NewProc("SetConsoleTitleW") + procGetConsoleMode = kernel32.NewProc("GetConsoleMode") + procSetConsoleMode = kernel32.NewProc("SetConsoleMode") + procCreateConsoleScreenBuffer = kernel32.NewProc("CreateConsoleScreenBuffer") +) + +// Writer provides colorable Writer to the console +type Writer struct { + out io.Writer + handle syscall.Handle + althandle syscall.Handle + oldattr word + oldpos coord + rest bytes.Buffer + mutex sync.Mutex +} + +// NewColorable returns new instance of Writer which handles escape sequence from File. +func NewColorable(file *os.File) io.Writer { + if file == nil { + panic("nil passed instead of *os.File to NewColorable()") + } + + if isatty.IsTerminal(file.Fd()) { + var mode uint32 + if r, _, _ := procGetConsoleMode.Call(file.Fd(), uintptr(unsafe.Pointer(&mode))); r != 0 && mode&cENABLE_VIRTUAL_TERMINAL_PROCESSING != 0 { + return file + } + var csbi consoleScreenBufferInfo + 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}} + } + return file +} + +// NewColorableStdout returns new instance of Writer which handles escape sequence for stdout. +func NewColorableStdout() io.Writer { + return NewColorable(os.Stdout) +} + +// NewColorableStderr returns new instance of Writer which handles escape sequence for stderr. +func NewColorableStderr() io.Writer { + return NewColorable(os.Stderr) +} + +var color256 = map[int]int{ + 0: 0x000000, + 1: 0x800000, + 2: 0x008000, + 3: 0x808000, + 4: 0x000080, + 5: 0x800080, + 6: 0x008080, + 7: 0xc0c0c0, + 8: 0x808080, + 9: 0xff0000, + 10: 0x00ff00, + 11: 0xffff00, + 12: 0x0000ff, + 13: 0xff00ff, + 14: 0x00ffff, + 15: 0xffffff, + 16: 0x000000, + 17: 0x00005f, + 18: 0x000087, + 19: 0x0000af, + 20: 0x0000d7, + 21: 0x0000ff, + 22: 0x005f00, + 23: 0x005f5f, + 24: 0x005f87, + 25: 0x005faf, + 26: 0x005fd7, + 27: 0x005fff, + 28: 0x008700, + 29: 0x00875f, + 30: 0x008787, + 31: 0x0087af, + 32: 0x0087d7, + 33: 0x0087ff, + 34: 0x00af00, + 35: 0x00af5f, + 36: 0x00af87, + 37: 0x00afaf, + 38: 0x00afd7, + 39: 0x00afff, + 40: 0x00d700, + 41: 0x00d75f, + 42: 0x00d787, + 43: 0x00d7af, + 44: 0x00d7d7, + 45: 0x00d7ff, + 46: 0x00ff00, + 47: 0x00ff5f, + 48: 0x00ff87, + 49: 0x00ffaf, + 50: 0x00ffd7, + 51: 0x00ffff, + 52: 0x5f0000, + 53: 0x5f005f, + 54: 0x5f0087, + 55: 0x5f00af, + 56: 0x5f00d7, + 57: 0x5f00ff, + 58: 0x5f5f00, + 59: 0x5f5f5f, + 60: 0x5f5f87, + 61: 0x5f5faf, + 62: 0x5f5fd7, + 63: 0x5f5fff, + 64: 0x5f8700, + 65: 0x5f875f, + 66: 0x5f8787, + 67: 0x5f87af, + 68: 0x5f87d7, + 69: 0x5f87ff, + 70: 0x5faf00, + 71: 0x5faf5f, + 72: 0x5faf87, + 73: 0x5fafaf, + 74: 0x5fafd7, + 75: 0x5fafff, + 76: 0x5fd700, + 77: 0x5fd75f, + 78: 0x5fd787, + 79: 0x5fd7af, + 80: 0x5fd7d7, + 81: 0x5fd7ff, + 82: 0x5fff00, + 83: 0x5fff5f, + 84: 0x5fff87, + 85: 0x5fffaf, + 86: 0x5fffd7, + 87: 0x5fffff, + 88: 0x870000, + 89: 0x87005f, + 90: 0x870087, + 91: 0x8700af, + 92: 0x8700d7, + 93: 0x8700ff, + 94: 0x875f00, + 95: 0x875f5f, + 96: 0x875f87, + 97: 0x875faf, + 98: 0x875fd7, + 99: 0x875fff, + 100: 0x878700, + 101: 0x87875f, + 102: 0x878787, + 103: 0x8787af, + 104: 0x8787d7, + 105: 0x8787ff, + 106: 0x87af00, + 107: 0x87af5f, + 108: 0x87af87, + 109: 0x87afaf, + 110: 0x87afd7, + 111: 0x87afff, + 112: 0x87d700, + 113: 0x87d75f, + 114: 0x87d787, + 115: 0x87d7af, + 116: 0x87d7d7, + 117: 0x87d7ff, + 118: 0x87ff00, + 119: 0x87ff5f, + 120: 0x87ff87, + 121: 0x87ffaf, + 122: 0x87ffd7, + 123: 0x87ffff, + 124: 0xaf0000, + 125: 0xaf005f, + 126: 0xaf0087, + 127: 0xaf00af, + 128: 0xaf00d7, + 129: 0xaf00ff, + 130: 0xaf5f00, + 131: 0xaf5f5f, + 132: 0xaf5f87, + 133: 0xaf5faf, + 134: 0xaf5fd7, + 135: 0xaf5fff, + 136: 0xaf8700, + 137: 0xaf875f, + 138: 0xaf8787, + 139: 0xaf87af, + 140: 0xaf87d7, + 141: 0xaf87ff, + 142: 0xafaf00, + 143: 0xafaf5f, + 144: 0xafaf87, + 145: 0xafafaf, + 146: 0xafafd7, + 147: 0xafafff, + 148: 0xafd700, + 149: 0xafd75f, + 150: 0xafd787, + 151: 0xafd7af, + 152: 0xafd7d7, + 153: 0xafd7ff, + 154: 0xafff00, + 155: 0xafff5f, + 156: 0xafff87, + 157: 0xafffaf, + 158: 0xafffd7, + 159: 0xafffff, + 160: 0xd70000, + 161: 0xd7005f, + 162: 0xd70087, + 163: 0xd700af, + 164: 0xd700d7, + 165: 0xd700ff, + 166: 0xd75f00, + 167: 0xd75f5f, + 168: 0xd75f87, + 169: 0xd75faf, + 170: 0xd75fd7, + 171: 0xd75fff, + 172: 0xd78700, + 173: 0xd7875f, + 174: 0xd78787, + 175: 0xd787af, + 176: 0xd787d7, + 177: 0xd787ff, + 178: 0xd7af00, + 179: 0xd7af5f, + 180: 0xd7af87, + 181: 0xd7afaf, + 182: 0xd7afd7, + 183: 0xd7afff, + 184: 0xd7d700, + 185: 0xd7d75f, + 186: 0xd7d787, + 187: 0xd7d7af, + 188: 0xd7d7d7, + 189: 0xd7d7ff, + 190: 0xd7ff00, + 191: 0xd7ff5f, + 192: 0xd7ff87, + 193: 0xd7ffaf, + 194: 0xd7ffd7, + 195: 0xd7ffff, + 196: 0xff0000, + 197: 0xff005f, + 198: 0xff0087, + 199: 0xff00af, + 200: 0xff00d7, + 201: 0xff00ff, + 202: 0xff5f00, + 203: 0xff5f5f, + 204: 0xff5f87, + 205: 0xff5faf, + 206: 0xff5fd7, + 207: 0xff5fff, + 208: 0xff8700, + 209: 0xff875f, + 210: 0xff8787, + 211: 0xff87af, + 212: 0xff87d7, + 213: 0xff87ff, + 214: 0xffaf00, + 215: 0xffaf5f, + 216: 0xffaf87, + 217: 0xffafaf, + 218: 0xffafd7, + 219: 0xffafff, + 220: 0xffd700, + 221: 0xffd75f, + 222: 0xffd787, + 223: 0xffd7af, + 224: 0xffd7d7, + 225: 0xffd7ff, + 226: 0xffff00, + 227: 0xffff5f, + 228: 0xffff87, + 229: 0xffffaf, + 230: 0xffffd7, + 231: 0xffffff, + 232: 0x080808, + 233: 0x121212, + 234: 0x1c1c1c, + 235: 0x262626, + 236: 0x303030, + 237: 0x3a3a3a, + 238: 0x444444, + 239: 0x4e4e4e, + 240: 0x585858, + 241: 0x626262, + 242: 0x6c6c6c, + 243: 0x767676, + 244: 0x808080, + 245: 0x8a8a8a, + 246: 0x949494, + 247: 0x9e9e9e, + 248: 0xa8a8a8, + 249: 0xb2b2b2, + 250: 0xbcbcbc, + 251: 0xc6c6c6, + 252: 0xd0d0d0, + 253: 0xdadada, + 254: 0xe4e4e4, + 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 +} + +// returns Atoi(s) unless s == "" in which case it returns def +func atoiWithDefault(s string, def int) (int, error) { + if s == "" { + return def, nil + } + return strconv.Atoi(s) +} + +// Write writes data on console +func (w *Writer) Write(data []byte) (n int, err error) { + w.mutex.Lock() + defer w.mutex.Unlock() + var csbi consoleScreenBufferInfo + procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi))) + + 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 plaintext bytes.Buffer +loop: + for { + c1, err := er.ReadByte() + if err != nil { + plaintext.WriteTo(w.out) + break loop + } + if c1 != 0x1b { + plaintext.WriteByte(c1) + continue + } + _, err = plaintext.WriteTo(w.out) + if err != nil { + break loop + } + c2, err := er.ReadByte() + if err != nil { + break loop + } + + 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 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 + } + + switch m { + case 'A': + n, err = atoiWithDefault(buf.String(), 1) + if err != nil { + continue + } + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + csbi.cursorPosition.y -= short(n) + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + case 'B': + n, err = atoiWithDefault(buf.String(), 1) + if err != nil { + continue + } + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + csbi.cursorPosition.y += short(n) + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + case 'C': + n, err = atoiWithDefault(buf.String(), 1) + if err != nil { + continue + } + 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 = atoiWithDefault(buf.String(), 1) + if err != nil { + continue + } + 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(handle), uintptr(unsafe.Pointer(&csbi))) + csbi.cursorPosition.x = 0 + csbi.cursorPosition.y += short(n) + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + case 'F': + n, err = strconv.Atoi(buf.String()) + if err != nil { + continue + } + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + csbi.cursorPosition.x = 0 + csbi.cursorPosition.y -= short(n) + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + case 'G': + n, err = strconv.Atoi(buf.String()) + if err != nil { + continue + } + if n < 1 { + n = 1 + } + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + csbi.cursorPosition.x = short(n - 1) + 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 + } + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + case 'J': + n := 0 + if buf.Len() > 0 { + n, err = strconv.Atoi(buf.String()) + if err != nil { + continue + } + } + 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) + } + 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 := 0 + if buf.Len() > 0 { + n, err = strconv.Atoi(buf.String()) + if err != nil { + continue + } + } + 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.cursorPosition.y} + count = dword(csbi.size.x - csbi.cursorPosition.x) + case 2: + cursor = coord{x: csbi.window.left, y: csbi.cursorPosition.y} + count = dword(csbi.size.x) + } + 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 'X': + n := 0 + if buf.Len() > 0 { + n, err = strconv.Atoi(buf.String()) + if err != nil { + continue + } + } + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + var cursor coord + var written dword + cursor = coord{x: csbi.cursorPosition.x, y: csbi.cursorPosition.y} + procFillConsoleOutputCharacter.Call(uintptr(handle), uintptr(' '), uintptr(n), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written))) + procFillConsoleOutputAttribute.Call(uintptr(handle), uintptr(csbi.attributes), uintptr(n), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written))) + case 'm': + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + attr := csbi.attributes + cs := buf.String() + if cs == "" { + procSetConsoleTextAttribute.Call(uintptr(handle), uintptr(w.oldattr)) + continue + } + token := strings.Split(cs, ";") + for i := 0; i < len(token); i++ { + ns := token[i] + if n, err = strconv.Atoi(ns); err == nil { + switch { + case n == 0 || n == 100: + attr = w.oldattr + case n == 4: + attr |= commonLvbUnderscore + case (1 <= n && n <= 3) || n == 5: + attr |= foregroundIntensity + case n == 7 || n == 27: + attr = + (attr &^ (foregroundMask | backgroundMask)) | + ((attr & foregroundMask) << 4) | + ((attr & backgroundMask) >> 4) + case n == 22: + attr &^= foregroundIntensity + case n == 24: + attr &^= commonLvbUnderscore + case 30 <= n && n <= 37: + attr &= backgroundMask + if (n-30)&1 != 0 { + attr |= foregroundRed + } + if (n-30)&2 != 0 { + attr |= foregroundGreen + } + if (n-30)&4 != 0 { + attr |= foregroundBlue + } + case n == 38: // set foreground color. + if i < len(token)-2 && (token[i+1] == "5" || token[i+1] == "05") { + if n256, err := strconv.Atoi(token[i+2]); err == nil { + if n256foreAttr == nil { + n256setup() + } + attr &= backgroundMask + attr |= n256foreAttr[n256%len(n256foreAttr)] + 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) + } + case n == 39: // reset foreground color. + attr &= backgroundMask + attr |= w.oldattr & foregroundMask + case 40 <= n && n <= 47: + attr &= foregroundMask + if (n-40)&1 != 0 { + attr |= backgroundRed + } + if (n-40)&2 != 0 { + attr |= backgroundGreen + } + if (n-40)&4 != 0 { + attr |= backgroundBlue + } + case n == 48: // set background color. + if i < len(token)-2 && token[i+1] == "5" { + if n256, err := strconv.Atoi(token[i+2]); err == nil { + if n256backAttr == nil { + n256setup() + } + attr &= foregroundMask + attr |= n256backAttr[n256%len(n256backAttr)] + 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) + } + case n == 49: // reset foreground color. + attr &= foregroundMask + attr |= w.oldattr & backgroundMask + case 90 <= n && n <= 97: + attr = (attr & backgroundMask) + attr |= foregroundIntensity + if (n-90)&1 != 0 { + attr |= foregroundRed + } + if (n-90)&2 != 0 { + attr |= foregroundGreen + } + if (n-90)&4 != 0 { + attr |= foregroundBlue + } + case 100 <= n && n <= 107: + attr = (attr & foregroundMask) + attr |= backgroundIntensity + if (n-100)&1 != 0 { + attr |= backgroundRed + } + if (n-100)&2 != 0 { + attr |= backgroundGreen + } + if (n-100)&4 != 0 { + attr |= backgroundBlue + } + } + procSetConsoleTextAttribute.Call(uintptr(handle), uintptr(attr)) + } + } + case 'h': + var ci consoleCursorInfo + cs := buf.String() + 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(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 == "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(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(handle), uintptr(unsafe.Pointer(&csbi))) + w.oldpos = csbi.cursorPosition + case 'u': + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&w.oldpos))) + } + } + + return len(data), nil +} + +type consoleColor struct { + rgb int + red bool + green bool + blue bool + intensity bool +} + +func (c consoleColor) foregroundAttr() (attr word) { + if c.red { + attr |= foregroundRed + } + if c.green { + attr |= foregroundGreen + } + if c.blue { + attr |= foregroundBlue + } + if c.intensity { + attr |= foregroundIntensity + } + return +} + +func (c consoleColor) backgroundAttr() (attr word) { + if c.red { + attr |= backgroundRed + } + if c.green { + attr |= backgroundGreen + } + if c.blue { + attr |= backgroundBlue + } + if c.intensity { + attr |= backgroundIntensity + } + return +} + +var color16 = []consoleColor{ + {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 { + h, s, v float32 +} + +func (a hsv) dist(b hsv) float32 { + dh := a.h - b.h + switch { + case dh > 0.5: + dh = 1 - dh + case dh < -0.5: + dh = -1 - dh + } + ds := a.s - b.s + dv := a.v - b.v + return float32(math.Sqrt(float64(dh*dh + ds*ds + dv*dv))) +} + +func toHSV(rgb int) hsv { + r, g, b := float32((rgb&0xFF0000)>>16)/256.0, + float32((rgb&0x00FF00)>>8)/256.0, + float32(rgb&0x0000FF)/256.0 + min, max := minmax3f(r, g, b) + h := max - min + if h > 0 { + if max == r { + h = (g - b) / h + if h < 0 { + h += 6 + } + } else if max == g { + h = 2 + (b-r)/h + } else { + h = 4 + (r-g)/h + } + } + h /= 6.0 + s := max - min + if max != 0 { + s /= max + } + v := max + return hsv{h: h, s: s, v: v} +} + +type hsvTable []hsv + +func toHSVTable(rgbTable []consoleColor) hsvTable { + t := make(hsvTable, len(rgbTable)) + for i, c := range rgbTable { + t[i] = toHSV(c.rgb) + } + return t +} + +func (t hsvTable) find(rgb int) consoleColor { + hsv := toHSV(rgb) + n := 7 + l := float32(5.0) + for i, p := range t { + d := hsv.dist(p) + if d < l { + l, n = d, i + } + } + return color16[n] +} + +func minmax3f(a, b, c float32) (min, max float32) { + if a < b { + if b < c { + return a, c + } else if a < c { + return a, b + } else { + return c, b + } + } else { + if a < c { + return b, c + } else if b < c { + return b, a + } else { + return c, a + } + } +} + +var n256foreAttr []word +var n256backAttr []word + +func n256setup() { + n256foreAttr = make([]word, 256) + n256backAttr = make([]word, 256) + t := toHSVTable(color16) + for i, rgb := range color256 { + c := t.find(rgb) + n256foreAttr[i] = c.foregroundAttr() + n256backAttr[i] = c.backgroundAttr() + } +} + +// EnableColorsStdout enable colors if possible. +func EnableColorsStdout(enabled *bool) func() { + var mode uint32 + h := os.Stdout.Fd() + if r, _, _ := procGetConsoleMode.Call(h, uintptr(unsafe.Pointer(&mode))); r != 0 { + if r, _, _ = procSetConsoleMode.Call(h, uintptr(mode|cENABLE_VIRTUAL_TERMINAL_PROCESSING)); r != 0 { + if enabled != nil { + *enabled = true + } + return func() { + procSetConsoleMode.Call(h, uintptr(mode)) + } + } + } + if enabled != nil { + *enabled = true + } + return func() {} +} diff --git a/vendor/github.com/mattn/go-colorable/go.test.sh b/vendor/github.com/mattn/go-colorable/go.test.sh new file mode 100644 index 0000000..012162b --- /dev/null +++ b/vendor/github.com/mattn/go-colorable/go.test.sh @@ -0,0 +1,12 @@ +#!/usr/bin/env bash + +set -e +echo "" > coverage.txt + +for d in $(go list ./... | grep -v vendor); do + go test -race -coverprofile=profile.out -covermode=atomic "$d" + if [ -f profile.out ]; then + cat profile.out >> coverage.txt + rm profile.out + fi +done diff --git a/vendor/github.com/mattn/go-colorable/noncolorable.go b/vendor/github.com/mattn/go-colorable/noncolorable.go new file mode 100644 index 0000000..05d6f74 --- /dev/null +++ b/vendor/github.com/mattn/go-colorable/noncolorable.go @@ -0,0 +1,57 @@ +package colorable + +import ( + "bytes" + "io" +) + +// NonColorable holds writer but removes escape sequence. +type NonColorable struct { + out io.Writer +} + +// NewNonColorable returns new instance of Writer which removes escape sequence from Writer. +func NewNonColorable(w io.Writer) io.Writer { + return &NonColorable{out: w} +} + +// Write writes data on console +func (w *NonColorable) Write(data []byte) (n int, err error) { + er := bytes.NewReader(data) + var plaintext bytes.Buffer +loop: + for { + c1, err := er.ReadByte() + if err != nil { + plaintext.WriteTo(w.out) + break loop + } + if c1 != 0x1b { + plaintext.WriteByte(c1) + continue + } + _, err = plaintext.WriteTo(w.out) + if err != nil { + break loop + } + c2, err := er.ReadByte() + if err != nil { + break loop + } + if c2 != 0x5b { + continue + } + + for { + c, err := er.ReadByte() + if err != nil { + break loop + } + if ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || c == '@' { + break + } + } + } + + return len(data), nil +} diff --git a/vendor/github.com/mattn/go-isatty/LICENSE b/vendor/github.com/mattn/go-isatty/LICENSE new file mode 100644 index 0000000..65dc692 --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/LICENSE @@ -0,0 +1,9 @@ +Copyright (c) Yasuhiro MATSUMOTO <mattn.jp@gmail.com> + +MIT License (Expat) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/vendor/github.com/mattn/go-isatty/README.md b/vendor/github.com/mattn/go-isatty/README.md new file mode 100644 index 0000000..3841835 --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/README.md @@ -0,0 +1,50 @@ +# go-isatty + +[](http://godoc.org/github.com/mattn/go-isatty) +[](https://codecov.io/gh/mattn/go-isatty) +[](https://coveralls.io/github/mattn/go-isatty?branch=master) +[](https://goreportcard.com/report/mattn/go-isatty) + +isatty for golang + +## Usage + +```go +package main + +import ( + "fmt" + "github.com/mattn/go-isatty" + "os" +) + +func main() { + if isatty.IsTerminal(os.Stdout.Fd()) { + fmt.Println("Is Terminal") + } else if isatty.IsCygwinTerminal(os.Stdout.Fd()) { + fmt.Println("Is Cygwin/MSYS2 Terminal") + } else { + fmt.Println("Is Not Terminal") + } +} +``` + +## Installation + +``` +$ go get github.com/mattn/go-isatty +``` + +## License + +MIT + +## Author + +Yasuhiro Matsumoto (a.k.a mattn) + +## Thanks + +* k-takata: base idea for IsCygwinTerminal + + https://github.com/k-takata/go-iscygpty diff --git a/vendor/github.com/mattn/go-isatty/doc.go b/vendor/github.com/mattn/go-isatty/doc.go new file mode 100644 index 0000000..17d4f90 --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/doc.go @@ -0,0 +1,2 @@ +// Package isatty implements interface to isatty +package isatty diff --git a/vendor/github.com/mattn/go-isatty/go.test.sh b/vendor/github.com/mattn/go-isatty/go.test.sh new file mode 100644 index 0000000..012162b --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/go.test.sh @@ -0,0 +1,12 @@ +#!/usr/bin/env bash + +set -e +echo "" > coverage.txt + +for d in $(go list ./... | grep -v vendor); do + go test -race -coverprofile=profile.out -covermode=atomic "$d" + if [ -f profile.out ]; then + cat profile.out >> coverage.txt + rm profile.out + fi +done diff --git a/vendor/github.com/mattn/go-isatty/isatty_bsd.go b/vendor/github.com/mattn/go-isatty/isatty_bsd.go new file mode 100644 index 0000000..d569c0c --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/isatty_bsd.go @@ -0,0 +1,19 @@ +//go:build (darwin || freebsd || openbsd || netbsd || dragonfly || hurd) && !appengine +// +build darwin freebsd openbsd netbsd dragonfly hurd +// +build !appengine + +package isatty + +import "golang.org/x/sys/unix" + +// IsTerminal return true if the file descriptor is terminal. +func IsTerminal(fd uintptr) bool { + _, err := unix.IoctlGetTermios(int(fd), unix.TIOCGETA) + return err == nil +} + +// IsCygwinTerminal return true if the file descriptor is a cygwin or msys2 +// terminal. This is also always false on this environment. +func IsCygwinTerminal(fd uintptr) bool { + return false +} diff --git a/vendor/github.com/mattn/go-isatty/isatty_others.go b/vendor/github.com/mattn/go-isatty/isatty_others.go new file mode 100644 index 0000000..3150322 --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/isatty_others.go @@ -0,0 +1,16 @@ +//go:build appengine || js || nacl || wasm +// +build appengine js nacl wasm + +package isatty + +// IsTerminal returns true if the file descriptor is terminal which +// is always false on js and appengine classic which is a sandboxed PaaS. +func IsTerminal(fd uintptr) bool { + return false +} + +// IsCygwinTerminal() return true if the file descriptor is a cygwin or msys2 +// terminal. This is also always false on this environment. +func IsCygwinTerminal(fd uintptr) bool { + return false +} diff --git a/vendor/github.com/mattn/go-isatty/isatty_plan9.go b/vendor/github.com/mattn/go-isatty/isatty_plan9.go new file mode 100644 index 0000000..bae7f9b --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/isatty_plan9.go @@ -0,0 +1,23 @@ +//go:build plan9 +// +build plan9 + +package isatty + +import ( + "syscall" +) + +// IsTerminal returns true if the given file descriptor is a terminal. +func IsTerminal(fd uintptr) bool { + path, err := syscall.Fd2path(int(fd)) + if err != nil { + return false + } + return path == "/dev/cons" || path == "/mnt/term/dev/cons" +} + +// IsCygwinTerminal return true if the file descriptor is a cygwin or msys2 +// terminal. This is also always false on this environment. +func IsCygwinTerminal(fd uintptr) bool { + return false +} diff --git a/vendor/github.com/mattn/go-isatty/isatty_solaris.go b/vendor/github.com/mattn/go-isatty/isatty_solaris.go new file mode 100644 index 0000000..0c3acf2 --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/isatty_solaris.go @@ -0,0 +1,21 @@ +//go:build solaris && !appengine +// +build solaris,!appengine + +package isatty + +import ( + "golang.org/x/sys/unix" +) + +// IsTerminal returns true if the given file descriptor is a terminal. +// see: https://src.illumos.org/source/xref/illumos-gate/usr/src/lib/libc/port/gen/isatty.c +func IsTerminal(fd uintptr) bool { + _, err := unix.IoctlGetTermio(int(fd), unix.TCGETA) + return err == nil +} + +// IsCygwinTerminal return true if the file descriptor is a cygwin or msys2 +// terminal. This is also always false on this environment. +func IsCygwinTerminal(fd uintptr) bool { + return false +} diff --git a/vendor/github.com/mattn/go-isatty/isatty_tcgets.go b/vendor/github.com/mattn/go-isatty/isatty_tcgets.go new file mode 100644 index 0000000..6778765 --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/isatty_tcgets.go @@ -0,0 +1,19 @@ +//go:build (linux || aix || zos) && !appengine +// +build linux aix zos +// +build !appengine + +package isatty + +import "golang.org/x/sys/unix" + +// IsTerminal return true if the file descriptor is terminal. +func IsTerminal(fd uintptr) bool { + _, err := unix.IoctlGetTermios(int(fd), unix.TCGETS) + return err == nil +} + +// IsCygwinTerminal return true if the file descriptor is a cygwin or msys2 +// terminal. This is also always false on this environment. +func IsCygwinTerminal(fd uintptr) bool { + return false +} diff --git a/vendor/github.com/mattn/go-isatty/isatty_windows.go b/vendor/github.com/mattn/go-isatty/isatty_windows.go new file mode 100644 index 0000000..8e3c991 --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/isatty_windows.go @@ -0,0 +1,125 @@ +//go:build windows && !appengine +// +build windows,!appengine + +package isatty + +import ( + "errors" + "strings" + "syscall" + "unicode/utf16" + "unsafe" +) + +const ( + objectNameInfo uintptr = 1 + fileNameInfo = 2 + fileTypePipe = 3 +) + +var ( + kernel32 = syscall.NewLazyDLL("kernel32.dll") + ntdll = syscall.NewLazyDLL("ntdll.dll") + procGetConsoleMode = kernel32.NewProc("GetConsoleMode") + procGetFileInformationByHandleEx = kernel32.NewProc("GetFileInformationByHandleEx") + procGetFileType = kernel32.NewProc("GetFileType") + procNtQueryObject = ntdll.NewProc("NtQueryObject") +) + +func init() { + // Check if GetFileInformationByHandleEx is available. + if procGetFileInformationByHandleEx.Find() != nil { + procGetFileInformationByHandleEx = nil + } +} + +// IsTerminal return true if the file descriptor is terminal. +func IsTerminal(fd uintptr) bool { + var st uint32 + r, _, e := syscall.Syscall(procGetConsoleMode.Addr(), 2, fd, uintptr(unsafe.Pointer(&st)), 0) + return r != 0 && e == 0 +} + +// Check pipe name is used for cygwin/msys2 pty. +// Cygwin/MSYS2 PTY has a name like: +// \{cygwin,msys}-XXXXXXXXXXXXXXXX-ptyN-{from,to}-master +func isCygwinPipeName(name string) bool { + token := strings.Split(name, "-") + if len(token) < 5 { + return false + } + + if token[0] != `\msys` && + token[0] != `\cygwin` && + token[0] != `\Device\NamedPipe\msys` && + token[0] != `\Device\NamedPipe\cygwin` { + return false + } + + if token[1] == "" { + return false + } + + if !strings.HasPrefix(token[2], "pty") { + return false + } + + if token[3] != `from` && token[3] != `to` { + return false + } + + if token[4] != "master" { + return false + } + + return true +} + +// getFileNameByHandle use the undocomented ntdll NtQueryObject to get file full name from file handler +// since GetFileInformationByHandleEx is not available under windows Vista and still some old fashion +// guys are using Windows XP, this is a workaround for those guys, it will also work on system from +// Windows vista to 10 +// see https://stackoverflow.com/a/18792477 for details +func getFileNameByHandle(fd uintptr) (string, error) { + if procNtQueryObject == nil { + return "", errors.New("ntdll.dll: NtQueryObject not supported") + } + + var buf [4 + syscall.MAX_PATH]uint16 + var result int + r, _, e := syscall.Syscall6(procNtQueryObject.Addr(), 5, + fd, objectNameInfo, uintptr(unsafe.Pointer(&buf)), uintptr(2*len(buf)), uintptr(unsafe.Pointer(&result)), 0) + if r != 0 { + return "", e + } + return string(utf16.Decode(buf[4 : 4+buf[0]/2])), nil +} + +// IsCygwinTerminal() return true if the file descriptor is a cygwin or msys2 +// terminal. +func IsCygwinTerminal(fd uintptr) bool { + if procGetFileInformationByHandleEx == nil { + name, err := getFileNameByHandle(fd) + if err != nil { + return false + } + return isCygwinPipeName(name) + } + + // Cygwin/msys's pty is a pipe. + ft, _, e := syscall.Syscall(procGetFileType.Addr(), 1, fd, 0, 0) + if ft != fileTypePipe || e != 0 { + return false + } + + var buf [2 + syscall.MAX_PATH]uint16 + r, _, e := syscall.Syscall6(procGetFileInformationByHandleEx.Addr(), + 4, fd, fileNameInfo, uintptr(unsafe.Pointer(&buf)), + uintptr(len(buf)*2), 0, 0) + if r == 0 || e != 0 { + return false + } + + l := *(*uint32)(unsafe.Pointer(&buf)) + return isCygwinPipeName(string(utf16.Decode(buf[2 : 2+l/2]))) +} |
