diff options
Diffstat (limited to 'vendor/github.com/op/go-logging/log_windows.go')
| -rw-r--r-- | vendor/github.com/op/go-logging/log_windows.go | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/vendor/github.com/op/go-logging/log_windows.go b/vendor/github.com/op/go-logging/log_windows.go deleted file mode 100644 index b8dc92c..0000000 --- a/vendor/github.com/op/go-logging/log_windows.go +++ /dev/null @@ -1,107 +0,0 @@ -// +build windows -// Copyright 2013, Örjan Persson. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package logging - -import ( - "bytes" - "io" - "log" - "syscall" -) - -var ( - kernel32DLL = syscall.NewLazyDLL("kernel32.dll") - setConsoleTextAttributeProc = kernel32DLL.NewProc("SetConsoleTextAttribute") -) - -// Character attributes -// Note: -// -- The attributes are combined to produce various colors (e.g., Blue + Green will create Cyan). -// Clearing all foreground or background colors results in black; setting all creates white. -// See https://msdn.microsoft.com/en-us/library/windows/desktop/ms682088(v=vs.85).aspx#_win32_character_attributes. -const ( - fgBlack = 0x0000 - fgBlue = 0x0001 - fgGreen = 0x0002 - fgCyan = 0x0003 - fgRed = 0x0004 - fgMagenta = 0x0005 - fgYellow = 0x0006 - fgWhite = 0x0007 - fgIntensity = 0x0008 - fgMask = 0x000F -) - -var ( - colors = []uint16{ - INFO: fgWhite, - CRITICAL: fgMagenta, - ERROR: fgRed, - WARNING: fgYellow, - NOTICE: fgGreen, - DEBUG: fgCyan, - } - boldcolors = []uint16{ - INFO: fgWhite | fgIntensity, - CRITICAL: fgMagenta | fgIntensity, - ERROR: fgRed | fgIntensity, - WARNING: fgYellow | fgIntensity, - NOTICE: fgGreen | fgIntensity, - DEBUG: fgCyan | fgIntensity, - } -) - -type file interface { - Fd() uintptr -} - -// LogBackend utilizes the standard log module. -type LogBackend struct { - Logger *log.Logger - Color bool - - // f is set to a non-nil value if the underlying writer which logs writes to - // implements the file interface. This makes us able to colorise the output. - f file -} - -// NewLogBackend creates a new LogBackend. -func NewLogBackend(out io.Writer, prefix string, flag int) *LogBackend { - b := &LogBackend{Logger: log.New(out, prefix, flag)} - - // Unfortunately, the API used only takes an io.Writer where the Windows API - // need the actual fd to change colors. - if f, ok := out.(file); ok { - b.f = f - } - - return b -} - -func (b *LogBackend) Log(level Level, calldepth int, rec *Record) error { - if b.Color && b.f != nil { - buf := &bytes.Buffer{} - setConsoleTextAttribute(b.f, colors[level]) - buf.Write([]byte(rec.Formatted(calldepth + 1))) - err := b.Logger.Output(calldepth+2, buf.String()) - setConsoleTextAttribute(b.f, fgWhite) - return err - } - return b.Logger.Output(calldepth+2, rec.Formatted(calldepth+1)) -} - -// setConsoleTextAttribute sets the attributes of characters written to the -// console screen buffer by the WriteFile or WriteConsole function. -// See http://msdn.microsoft.com/en-us/library/windows/desktop/ms686047(v=vs.85).aspx. -func setConsoleTextAttribute(f file, attribute uint16) bool { - ok, _, _ := setConsoleTextAttributeProc.Call(f.Fd(), uintptr(attribute), 0) - return ok != 0 -} - -func doFmtVerbLevelColor(layout string, level Level, output io.Writer) { - // TODO not supported on Windows since the io.Writer here is actually a - // bytes.Buffer. -} |
