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Code Issues Releases Activity

remove ansicolor code,import ansicolor package

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This commit is contained in:
JessonChan 2019-03-12 12:14:09 +08:00
parent 0ba77a0d87
commit c0fae547e9
5 changed files with 4 additions and 804 deletions
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28
logs/color.go
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@ -1,28 +0,0 @@
// Copyright 2014 beego Author. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build !windows
package logs
import "io"
type ansiColorWriter struct {
w io.Writer
mode outputMode
}
func (cw *ansiColorWriter) Write(p []byte) (int, error) {
return cw.w.Write(p)
}

428
logs/color_windows.go
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@ -1,428 +0,0 @@
// Copyright 2014 beego Author. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build windows
package logs
import (
"bytes"
"io"
"strings"
"syscall"
"unsafe"
)
type (
csiState int
parseResult int
)
const (
outsideCsiCode csiState = iota
firstCsiCode
secondCsiCode
)
const (
noConsole parseResult = iota
changedColor
unknown
)
type ansiColorWriter struct {
w io.Writer
mode outputMode
state csiState
paramStartBuf bytes.Buffer
paramBuf bytes.Buffer
}
const (
firstCsiChar byte = '\x1b'
secondeCsiChar byte = '['
separatorChar byte = ';'
sgrCode byte = 'm'
)
const (
foregroundBlue = uint16(0x0001)
foregroundGreen = uint16(0x0002)
foregroundRed = uint16(0x0004)
foregroundIntensity = uint16(0x0008)
backgroundBlue = uint16(0x0010)
backgroundGreen = uint16(0x0020)
backgroundRed = uint16(0x0040)
backgroundIntensity = uint16(0x0080)
underscore = uint16(0x8000)
foregroundMask = foregroundBlue | foregroundGreen | foregroundRed | foregroundIntensity
backgroundMask = backgroundBlue | backgroundGreen | backgroundRed | backgroundIntensity
)
const (
ansiReset = "0"
ansiIntensityOn = "1"
ansiIntensityOff = "21"
ansiUnderlineOn = "4"
ansiUnderlineOff = "24"
ansiBlinkOn = "5"
ansiBlinkOff = "25"
ansiForegroundBlack = "30"
ansiForegroundRed = "31"
ansiForegroundGreen = "32"
ansiForegroundYellow = "33"
ansiForegroundBlue = "34"
ansiForegroundMagenta = "35"
ansiForegroundCyan = "36"
ansiForegroundWhite = "37"
ansiForegroundDefault = "39"
ansiBackgroundBlack = "40"
ansiBackgroundRed = "41"
ansiBackgroundGreen = "42"
ansiBackgroundYellow = "43"
ansiBackgroundBlue = "44"
ansiBackgroundMagenta = "45"
ansiBackgroundCyan = "46"
ansiBackgroundWhite = "47"
ansiBackgroundDefault = "49"
ansiLightForegroundGray = "90"
ansiLightForegroundRed = "91"
ansiLightForegroundGreen = "92"
ansiLightForegroundYellow = "93"
ansiLightForegroundBlue = "94"
ansiLightForegroundMagenta = "95"
ansiLightForegroundCyan = "96"
ansiLightForegroundWhite = "97"
ansiLightBackgroundGray = "100"
ansiLightBackgroundRed = "101"
ansiLightBackgroundGreen = "102"
ansiLightBackgroundYellow = "103"
ansiLightBackgroundBlue = "104"
ansiLightBackgroundMagenta = "105"
ansiLightBackgroundCyan = "106"
ansiLightBackgroundWhite = "107"
)
type drawType int
const (
foreground drawType = iota
background
)
type winColor struct {
code uint16
drawType drawType
}
var colorMap = map[string]winColor{
ansiForegroundBlack: {0, foreground},
ansiForegroundRed: {foregroundRed, foreground},
ansiForegroundGreen: {foregroundGreen, foreground},
ansiForegroundYellow: {foregroundRed | foregroundGreen, foreground},
ansiForegroundBlue: {foregroundBlue, foreground},
ansiForegroundMagenta: {foregroundRed | foregroundBlue, foreground},
ansiForegroundCyan: {foregroundGreen | foregroundBlue, foreground},
ansiForegroundWhite: {foregroundRed | foregroundGreen | foregroundBlue, foreground},
ansiForegroundDefault: {foregroundRed | foregroundGreen | foregroundBlue, foreground},
ansiBackgroundBlack: {0, background},
ansiBackgroundRed: {backgroundRed, background},
ansiBackgroundGreen: {backgroundGreen, background},
ansiBackgroundYellow: {backgroundRed | backgroundGreen, background},
ansiBackgroundBlue: {backgroundBlue, background},
ansiBackgroundMagenta: {backgroundRed | backgroundBlue, background},
ansiBackgroundCyan: {backgroundGreen | backgroundBlue, background},
ansiBackgroundWhite: {backgroundRed | backgroundGreen | backgroundBlue, background},
ansiBackgroundDefault: {0, background},
ansiLightForegroundGray: {foregroundIntensity, foreground},
ansiLightForegroundRed: {foregroundIntensity | foregroundRed, foreground},
ansiLightForegroundGreen: {foregroundIntensity | foregroundGreen, foreground},
ansiLightForegroundYellow: {foregroundIntensity | foregroundRed | foregroundGreen, foreground},
ansiLightForegroundBlue: {foregroundIntensity | foregroundBlue, foreground},
ansiLightForegroundMagenta: {foregroundIntensity | foregroundRed | foregroundBlue, foreground},
ansiLightForegroundCyan: {foregroundIntensity | foregroundGreen | foregroundBlue, foreground},
ansiLightForegroundWhite: {foregroundIntensity | foregroundRed | foregroundGreen | foregroundBlue, foreground},
ansiLightBackgroundGray: {backgroundIntensity, background},
ansiLightBackgroundRed: {backgroundIntensity | backgroundRed, background},
ansiLightBackgroundGreen: {backgroundIntensity | backgroundGreen, background},
ansiLightBackgroundYellow: {backgroundIntensity | backgroundRed | backgroundGreen, background},
ansiLightBackgroundBlue: {backgroundIntensity | backgroundBlue, background},
ansiLightBackgroundMagenta: {backgroundIntensity | backgroundRed | backgroundBlue, background},
ansiLightBackgroundCyan: {backgroundIntensity | backgroundGreen | backgroundBlue, background},
ansiLightBackgroundWhite: {backgroundIntensity | backgroundRed | backgroundGreen | backgroundBlue, background},
}
var (
kernel32 = syscall.NewLazyDLL("kernel32.dll")
procSetConsoleTextAttribute = kernel32.NewProc("SetConsoleTextAttribute")
procGetConsoleScreenBufferInfo = kernel32.NewProc("GetConsoleScreenBufferInfo")
defaultAttr *textAttributes
)
func init() {
screenInfo := getConsoleScreenBufferInfo(uintptr(syscall.Stdout))
if screenInfo != nil {
colorMap[ansiForegroundDefault] = winColor{
screenInfo.WAttributes & (foregroundRed | foregroundGreen | foregroundBlue),
foreground,
}
colorMap[ansiBackgroundDefault] = winColor{
screenInfo.WAttributes & (backgroundRed | backgroundGreen | backgroundBlue),
background,
}
defaultAttr = convertTextAttr(screenInfo.WAttributes)
}
}
type coord struct {
X, Y int16
}
type smallRect struct {
Left, Top, Right, Bottom int16
}
type consoleScreenBufferInfo struct {
DwSize coord
DwCursorPosition coord
WAttributes uint16
SrWindow smallRect
DwMaximumWindowSize coord
}
func getConsoleScreenBufferInfo(hConsoleOutput uintptr) *consoleScreenBufferInfo {
var csbi consoleScreenBufferInfo
ret, _, _ := procGetConsoleScreenBufferInfo.Call(
hConsoleOutput,
uintptr(unsafe.Pointer(&csbi)))
if ret == 0 {
return nil
}
return &csbi
}
func setConsoleTextAttribute(hConsoleOutput uintptr, wAttributes uint16) bool {
ret, _, _ := procSetConsoleTextAttribute.Call(
hConsoleOutput,
uintptr(wAttributes))
return ret != 0
}
type textAttributes struct {
foregroundColor uint16
backgroundColor uint16
foregroundIntensity uint16
backgroundIntensity uint16
underscore uint16
otherAttributes uint16
}
func convertTextAttr(winAttr uint16) *textAttributes {
fgColor := winAttr & (foregroundRed | foregroundGreen | foregroundBlue)
bgColor := winAttr & (backgroundRed | backgroundGreen | backgroundBlue)
fgIntensity := winAttr & foregroundIntensity
bgIntensity := winAttr & backgroundIntensity
underline := winAttr & underscore
otherAttributes := winAttr &^ (foregroundMask | backgroundMask | underscore)
return &textAttributes{fgColor, bgColor, fgIntensity, bgIntensity, underline, otherAttributes}
}
func convertWinAttr(textAttr *textAttributes) uint16 {
var winAttr uint16
winAttr |= textAttr.foregroundColor
winAttr |= textAttr.backgroundColor
winAttr |= textAttr.foregroundIntensity
winAttr |= textAttr.backgroundIntensity
winAttr |= textAttr.underscore
winAttr |= textAttr.otherAttributes
return winAttr
}
func changeColor(param []byte) parseResult {
screenInfo := getConsoleScreenBufferInfo(uintptr(syscall.Stdout))
if screenInfo == nil {
return noConsole
}
winAttr := convertTextAttr(screenInfo.WAttributes)
strParam := string(param)
if len(strParam) <= 0 {
strParam = "0"
}
csiParam := strings.Split(strParam, string(separatorChar))
for _, p := range csiParam {
c, ok := colorMap[p]
switch {
case !ok:
switch p {
case ansiReset:
winAttr.foregroundColor = defaultAttr.foregroundColor
winAttr.backgroundColor = defaultAttr.backgroundColor
winAttr.foregroundIntensity = defaultAttr.foregroundIntensity
winAttr.backgroundIntensity = defaultAttr.backgroundIntensity
winAttr.underscore = 0
winAttr.otherAttributes = 0
case ansiIntensityOn:
winAttr.foregroundIntensity = foregroundIntensity
case ansiIntensityOff:
winAttr.foregroundIntensity = 0
case ansiUnderlineOn:
winAttr.underscore = underscore
case ansiUnderlineOff:
winAttr.underscore = 0
case ansiBlinkOn:
winAttr.backgroundIntensity = backgroundIntensity
case ansiBlinkOff:
winAttr.backgroundIntensity = 0
default:
// unknown code
}
case c.drawType == foreground:
winAttr.foregroundColor = c.code
case c.drawType == background:
winAttr.backgroundColor = c.code
}
}
winTextAttribute := convertWinAttr(winAttr)
setConsoleTextAttribute(uintptr(syscall.Stdout), winTextAttribute)
return changedColor
}
func parseEscapeSequence(command byte, param []byte) parseResult {
if defaultAttr == nil {
return noConsole
}
switch command {
case sgrCode:
return changeColor(param)
default:
return unknown
}
}
func (cw *ansiColorWriter) flushBuffer() (int, error) {
return cw.flushTo(cw.w)
}
func (cw *ansiColorWriter) resetBuffer() (int, error) {
return cw.flushTo(nil)
}
func (cw *ansiColorWriter) flushTo(w io.Writer) (int, error) {
var n1, n2 int
var err error
startBytes := cw.paramStartBuf.Bytes()
cw.paramStartBuf.Reset()
if w != nil {
n1, err = cw.w.Write(startBytes)
if err != nil {
return n1, err
}
} else {
n1 = len(startBytes)
}
paramBytes := cw.paramBuf.Bytes()
cw.paramBuf.Reset()
if w != nil {
n2, err = cw.w.Write(paramBytes)
if err != nil {
return n1 + n2, err
}
} else {
n2 = len(paramBytes)
}
return n1 + n2, nil
}
func isParameterChar(b byte) bool {
return ('0' <= b && b <= '9') || b == separatorChar
}
func (cw *ansiColorWriter) Write(p []byte) (int, error) {
var r, nw, first, last int
if cw.mode != DiscardNonColorEscSeq {
cw.state = outsideCsiCode
cw.resetBuffer()
}
var err error
for i, ch := range p {
switch cw.state {
case outsideCsiCode:
if ch == firstCsiChar {
cw.paramStartBuf.WriteByte(ch)
cw.state = firstCsiCode
}
case firstCsiCode:
switch ch {
case firstCsiChar:
cw.paramStartBuf.WriteByte(ch)
break
case secondeCsiChar:
cw.paramStartBuf.WriteByte(ch)
cw.state = secondCsiCode
last = i - 1
default:
cw.resetBuffer()
cw.state = outsideCsiCode
}
case secondCsiCode:
if isParameterChar(ch) {
cw.paramBuf.WriteByte(ch)
} else {
nw, err = cw.w.Write(p[first:last])
r += nw
if err != nil {
return r, err
}
first = i + 1
result := parseEscapeSequence(ch, cw.paramBuf.Bytes())
if result == noConsole || (cw.mode == OutputNonColorEscSeq && result == unknown) {
cw.paramBuf.WriteByte(ch)
nw, err := cw.flushBuffer()
if err != nil {
return r, err
}
r += nw
} else {
n, _ := cw.resetBuffer()
// Add one more to the size of the buffer for the last ch
r += n + 1
}
cw.state = outsideCsiCode
}
default:
cw.state = outsideCsiCode
}
}
if cw.mode != DiscardNonColorEscSeq || cw.state == outsideCsiCode {
nw, err = cw.w.Write(p[first:])
r += nw
}
return r, err
}

294
logs/color_windows_test.go
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@ -1,294 +0,0 @@
// Copyright 2014 beego Author. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build windows
package logs
import (
"bytes"
"fmt"
"syscall"
"testing"
)
var GetConsoleScreenBufferInfo = getConsoleScreenBufferInfo
func ChangeColor(color uint16) {
setConsoleTextAttribute(uintptr(syscall.Stdout), color)
}
func ResetColor() {
ChangeColor(uint16(0x0007))
}
func TestWritePlanText(t *testing.T) {
inner := bytes.NewBufferString("")
w := NewAnsiColorWriter(inner)
expected := "plain text"
fmt.Fprintf(w, expected)
actual := inner.String()
if actual != expected {
t.Errorf("Get %q, want %q", actual, expected)
}
}
func TestWriteParseText(t *testing.T) {
inner := bytes.NewBufferString("")
w := NewAnsiColorWriter(inner)
inputTail := "\x1b[0mtail text"
expectedTail := "tail text"
fmt.Fprintf(w, inputTail)
actualTail := inner.String()
inner.Reset()
if actualTail != expectedTail {
t.Errorf("Get %q, want %q", actualTail, expectedTail)
}
inputHead := "head text\x1b[0m"
expectedHead := "head text"
fmt.Fprintf(w, inputHead)
actualHead := inner.String()
inner.Reset()
if actualHead != expectedHead {
t.Errorf("Get %q, want %q", actualHead, expectedHead)
}
inputBothEnds := "both ends \x1b[0m text"
expectedBothEnds := "both ends text"
fmt.Fprintf(w, inputBothEnds)
actualBothEnds := inner.String()
inner.Reset()
if actualBothEnds != expectedBothEnds {
t.Errorf("Get %q, want %q", actualBothEnds, expectedBothEnds)
}
inputManyEsc := "\x1b\x1b\x1b\x1b[0m many esc"
expectedManyEsc := "\x1b\x1b\x1b many esc"
fmt.Fprintf(w, inputManyEsc)
actualManyEsc := inner.String()
inner.Reset()
if actualManyEsc != expectedManyEsc {
t.Errorf("Get %q, want %q", actualManyEsc, expectedManyEsc)
}
expectedSplit := "split text"
for _, ch := range "split \x1b[0m text" {
fmt.Fprintf(w, string(ch))
}
actualSplit := inner.String()
inner.Reset()
if actualSplit != expectedSplit {
t.Errorf("Get %q, want %q", actualSplit, expectedSplit)
}
}
type screenNotFoundError struct {
error
}
func writeAnsiColor(expectedText, colorCode string) (actualText string, actualAttributes uint16, err error) {
inner := bytes.NewBufferString("")
w := NewAnsiColorWriter(inner)
fmt.Fprintf(w, "\x1b[%sm%s", colorCode, expectedText)
actualText = inner.String()
screenInfo := GetConsoleScreenBufferInfo(uintptr(syscall.Stdout))
if screenInfo != nil {
actualAttributes = screenInfo.WAttributes
} else {
err = &screenNotFoundError{}
}
return
}
type testParam struct {
text string
attributes uint16
ansiColor string
}
func TestWriteAnsiColorText(t *testing.T) {
screenInfo := GetConsoleScreenBufferInfo(uintptr(syscall.Stdout))
if screenInfo == nil {
t.Fatal("Could not get ConsoleScreenBufferInfo")
}
defer ChangeColor(screenInfo.WAttributes)
defaultFgColor := screenInfo.WAttributes & uint16(0x0007)
defaultBgColor := screenInfo.WAttributes & uint16(0x0070)
defaultFgIntensity := screenInfo.WAttributes & uint16(0x0008)
defaultBgIntensity := screenInfo.WAttributes & uint16(0x0080)
fgParam := []testParam{
{"foreground black ", uint16(0x0000 | 0x0000), "30"},
{"foreground red ", uint16(0x0004 | 0x0000), "31"},
{"foreground green ", uint16(0x0002 | 0x0000), "32"},
{"foreground yellow ", uint16(0x0006 | 0x0000), "33"},
{"foreground blue ", uint16(0x0001 | 0x0000), "34"},
{"foreground magenta", uint16(0x0005 | 0x0000), "35"},
{"foreground cyan ", uint16(0x0003 | 0x0000), "36"},
{"foreground white ", uint16(0x0007 | 0x0000), "37"},
{"foreground default", defaultFgColor | 0x0000, "39"},
{"foreground light gray ", uint16(0x0000 | 0x0008 | 0x0000), "90"},
{"foreground light red ", uint16(0x0004 | 0x0008 | 0x0000), "91"},
{"foreground light green ", uint16(0x0002 | 0x0008 | 0x0000), "92"},
{"foreground light yellow ", uint16(0x0006 | 0x0008 | 0x0000), "93"},
{"foreground light blue ", uint16(0x0001 | 0x0008 | 0x0000), "94"},
{"foreground light magenta", uint16(0x0005 | 0x0008 | 0x0000), "95"},
{"foreground light cyan ", uint16(0x0003 | 0x0008 | 0x0000), "96"},
{"foreground light white ", uint16(0x0007 | 0x0008 | 0x0000), "97"},
}
bgParam := []testParam{
{"background black ", uint16(0x0007 | 0x0000), "40"},
{"background red ", uint16(0x0007 | 0x0040), "41"},
{"background green ", uint16(0x0007 | 0x0020), "42"},
{"background yellow ", uint16(0x0007 | 0x0060), "43"},
{"background blue ", uint16(0x0007 | 0x0010), "44"},
{"background magenta", uint16(0x0007 | 0x0050), "45"},
{"background cyan ", uint16(0x0007 | 0x0030), "46"},
{"background white ", uint16(0x0007 | 0x0070), "47"},
{"background default", uint16(0x0007) | defaultBgColor, "49"},
{"background light gray ", uint16(0x0007 | 0x0000 | 0x0080), "100"},
{"background light red ", uint16(0x0007 | 0x0040 | 0x0080), "101"},
{"background light green ", uint16(0x0007 | 0x0020 | 0x0080), "102"},
{"background light yellow ", uint16(0x0007 | 0x0060 | 0x0080), "103"},
{"background light blue ", uint16(0x0007 | 0x0010 | 0x0080), "104"},
{"background light magenta", uint16(0x0007 | 0x0050 | 0x0080), "105"},
{"background light cyan ", uint16(0x0007 | 0x0030 | 0x0080), "106"},
{"background light white ", uint16(0x0007 | 0x0070 | 0x0080), "107"},
}
resetParam := []testParam{
{"all reset", defaultFgColor | defaultBgColor | defaultFgIntensity | defaultBgIntensity, "0"},
{"all reset", defaultFgColor | defaultBgColor | defaultFgIntensity | defaultBgIntensity, ""},
}
boldParam := []testParam{
{"bold on", uint16(0x0007 | 0x0008), "1"},
{"bold off", uint16(0x0007), "21"},
}
underscoreParam := []testParam{
{"underscore on", uint16(0x0007 | 0x8000), "4"},
{"underscore off", uint16(0x0007), "24"},
}
blinkParam := []testParam{
{"blink on", uint16(0x0007 | 0x0080), "5"},
{"blink off", uint16(0x0007), "25"},
}
mixedParam := []testParam{
{"both black, bold, underline, blink", uint16(0x0000 | 0x0000 | 0x0008 | 0x8000 | 0x0080), "30;40;1;4;5"},
{"both red, bold, underline, blink", uint16(0x0004 | 0x0040 | 0x0008 | 0x8000 | 0x0080), "31;41;1;4;5"},
{"both green, bold, underline, blink", uint16(0x0002 | 0x0020 | 0x0008 | 0x8000 | 0x0080), "32;42;1;4;5"},
{"both yellow, bold, underline, blink", uint16(0x0006 | 0x0060 | 0x0008 | 0x8000 | 0x0080), "33;43;1;4;5"},
{"both blue, bold, underline, blink", uint16(0x0001 | 0x0010 | 0x0008 | 0x8000 | 0x0080), "34;44;1;4;5"},
{"both magenta, bold, underline, blink", uint16(0x0005 | 0x0050 | 0x0008 | 0x8000 | 0x0080), "35;45;1;4;5"},
{"both cyan, bold, underline, blink", uint16(0x0003 | 0x0030 | 0x0008 | 0x8000 | 0x0080), "36;46;1;4;5"},
{"both white, bold, underline, blink", uint16(0x0007 | 0x0070 | 0x0008 | 0x8000 | 0x0080), "37;47;1;4;5"},
{"both default, bold, underline, blink", uint16(defaultFgColor | defaultBgColor | 0x0008 | 0x8000 | 0x0080), "39;49;1;4;5"},
}
assertTextAttribute := func(expectedText string, expectedAttributes uint16, ansiColor string) {
actualText, actualAttributes, err := writeAnsiColor(expectedText, ansiColor)
if actualText != expectedText {
t.Errorf("Get %q, want %q", actualText, expectedText)
}
if err != nil {
t.Fatal("Could not get ConsoleScreenBufferInfo")
}
if actualAttributes != expectedAttributes {
t.Errorf("Text: %q, Get 0x%04x, want 0x%04x", expectedText, actualAttributes, expectedAttributes)
}
}
for _, v := range fgParam {
ResetColor()
assertTextAttribute(v.text, v.attributes, v.ansiColor)
}
for _, v := range bgParam {
ChangeColor(uint16(0x0070 | 0x0007))
assertTextAttribute(v.text, v.attributes, v.ansiColor)
}
for _, v := range resetParam {
ChangeColor(uint16(0x0000 | 0x0070 | 0x0008))
assertTextAttribute(v.text, v.attributes, v.ansiColor)
}
ResetColor()
for _, v := range boldParam {
assertTextAttribute(v.text, v.attributes, v.ansiColor)
}
ResetColor()
for _, v := range underscoreParam {
assertTextAttribute(v.text, v.attributes, v.ansiColor)
}
ResetColor()
for _, v := range blinkParam {
assertTextAttribute(v.text, v.attributes, v.ansiColor)
}
for _, v := range mixedParam {
ResetColor()
assertTextAttribute(v.text, v.attributes, v.ansiColor)
}
}
func TestIgnoreUnknownSequences(t *testing.T) {
inner := bytes.NewBufferString("")
w := NewModeAnsiColorWriter(inner, OutputNonColorEscSeq)
inputText := "\x1b[=decpath mode"
expectedTail := inputText
fmt.Fprintf(w, inputText)
actualTail := inner.String()
inner.Reset()
if actualTail != expectedTail {
t.Errorf("Get %q, want %q", actualTail, expectedTail)
}
inputText = "\x1b[=tailing esc and bracket\x1b["
expectedTail = inputText
fmt.Fprintf(w, inputText)
actualTail = inner.String()
inner.Reset()
if actualTail != expectedTail {
t.Errorf("Get %q, want %q", actualTail, expectedTail)
}
inputText = "\x1b[?tailing esc\x1b"
expectedTail = inputText
fmt.Fprintf(w, inputText)
actualTail = inner.String()
inner.Reset()
if actualTail != expectedTail {
t.Errorf("Get %q, want %q", actualTail, expectedTail)
}
inputText = "\x1b[1h;3punended color code invalid\x1b3"
expectedTail = inputText
fmt.Fprintf(w, inputText)
actualTail = inner.String()
inner.Reset()
if actualTail != expectedTail {
t.Errorf("Get %q, want %q", actualTail, expectedTail)
}
}

6
logs/log.go
View File

@ -92,7 +92,7 @@ type Logger interface {
} }
var adapters = make(map[string]newLoggerFunc) var adapters = make(map[string]newLoggerFunc)
var levelPrefix = [LevelDebug + 1]string{"[M] ", "[A] ", "[C] ", "[E] ", "[W] ", "[N] ", "[I] ", "[D] "} var levelPrefix = [LevelDebug + 1]string{"[M]", "[A]", "[C]", "[E]", "[W]", "[N]", "[I]", "[D]"}
// Register makes a log provide available by the provided name. // Register makes a log provide available by the provided name.
// If Register is called twice with the same name or if driver is nil, // If Register is called twice with the same name or if driver is nil,
@ -248,7 +248,7 @@ func (bl *BeeLogger) Write(p []byte) (n int, err error) {
} }
// writeMsg will always add a '\n' character // writeMsg will always add a '\n' character
if p[len(p)-1] == '\n' { if p[len(p)-1] == '\n' {
p = p[0: len(p)-1] p = p[0 : len(p)-1]
} }
// set levelLoggerImpl to ensure all log message will be write out // set levelLoggerImpl to ensure all log message will be write out
err = bl.writeMsg(levelLoggerImpl, string(p)) err = bl.writeMsg(levelLoggerImpl, string(p))
@ -287,7 +287,7 @@ func (bl *BeeLogger) writeMsg(logLevel int, msg string, v ...interface{}) error
// set to emergency to ensure all log will be print out correctly // set to emergency to ensure all log will be print out correctly
logLevel = LevelEmergency logLevel = LevelEmergency
} else { } else {
msg = levelPrefix[logLevel] + msg msg = levelPrefix[logLevel] + " " + msg
} }
if bl.asynchronous { if bl.asynchronous {

50
logs/logger.go
View File

@ -15,9 +15,7 @@
package logs package logs
import ( import (
"fmt"
"io" "io"
"os"
"runtime" "runtime"
"sync" "sync"
"time" "time"
@ -39,40 +37,6 @@ func (lg *logWriter) println(when time.Time, msg string) {
lg.Unlock() lg.Unlock()
} }
type outputMode int
// DiscardNonColorEscSeq supports the divided color escape sequence.
// But non-color escape sequence is not output.
// Please use the OutputNonColorEscSeq If you want to output a non-color
// escape sequences such as ncurses. However, it does not support the divided
// color escape sequence.
const (
_ outputMode = iota
DiscardNonColorEscSeq
OutputNonColorEscSeq
)
// NewAnsiColorWriter creates and initializes a new ansiColorWriter
// using io.Writer w as its initial contents.
// In the console of Windows, which change the foreground and background
// colors of the text by the escape sequence.
// In the console of other systems, which writes to w all text.
func NewAnsiColorWriter(w io.Writer) io.Writer {
return NewModeAnsiColorWriter(w, DiscardNonColorEscSeq)
}
// NewModeAnsiColorWriter create and initializes a new ansiColorWriter
// by specifying the outputMode.
func NewModeAnsiColorWriter(w io.Writer, mode outputMode) io.Writer {
if _, ok := w.(*ansiColorWriter); !ok {
return &ansiColorWriter{
w: w,
mode: mode,
}
}
return w
}
const ( const (
y1 = `0123456789` y1 = `0123456789`
y2 = `0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789` y2 = `0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789`
@ -209,17 +173,3 @@ func ColorByMethod(method string) string {
func ResetColor() string { func ResetColor() string {
return reset return reset
} }
// Guard Mutex to guarantee atomic of W32Debug(string) function
var mu sync.Mutex
// W32Debug Helper method to output colored logs in Windows terminals
func W32Debug(msg string) {
mu.Lock()
defer mu.Unlock()
current := time.Now()
w := NewAnsiColorWriter(os.Stdout)
fmt.Fprintf(w, "[beego] %v %s\n", current.Format("2006/01/02 - 15:04:05"), msg)
}