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2
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meta_information
dict
q179500
CreateStringPath
test
func (gc *GraphicContext) CreateStringPath(text string, x, y float64) (cursor float64) { //fpdf uses the top left corner left, top, right, bottom := gc.GetStringBounds(text) w := right - left h := bottom - top // gc.pdf.SetXY(x, y-h) do not use this as y-h might be negative margin := gc.pdf.GetCellMargin() gc.pdf.MoveTo(x-left-margin, y+top) gc.pdf.CellFormat(w, h, text, "", 0, "BL", false, 0, "") return w }
go
{ "resource": "" }
q179501
FillStringAt
test
func (gc *GraphicContext) FillStringAt(text string, x, y float64) (cursor float64) { return gc.CreateStringPath(text, x, y) }
go
{ "resource": "" }
q179502
SetStrokeColor
test
func (gc *GraphicContext) SetStrokeColor(c color.Color) { gc.StackGraphicContext.SetStrokeColor(c) gc.pdf.SetDrawColor(rgb(c)) }
go
{ "resource": "" }
q179503
SetFillColor
test
func (gc *GraphicContext) SetFillColor(c color.Color) { gc.StackGraphicContext.SetFillColor(c) gc.pdf.SetFillColor(rgb(c)) gc.pdf.SetTextColor(rgb(c)) }
go
{ "resource": "" }
q179504
SetLineDash
test
func (gc *GraphicContext) SetLineDash(Dash []float64, DashOffset float64) { gc.StackGraphicContext.SetLineDash(Dash, DashOffset) gc.pdf.SetDashPattern(Dash, DashOffset) }
go
{ "resource": "" }
q179505
SetLineWidth
test
func (gc *GraphicContext) SetLineWidth(LineWidth float64) { gc.StackGraphicContext.SetLineWidth(LineWidth) gc.pdf.SetLineWidth(LineWidth) }
go
{ "resource": "" }
q179506
Main
test
func Main(gc draw2d.GraphicContext, ext string) (string, error) { // Draw hello world Draw(gc, fmt.Sprintf("Hello World %d dpi", gc.GetDPI())) // Return the output filename return samples.Output("helloworld", ext), nil }
go
{ "resource": "" }
q179507
Draw
test
func Draw(gc draw2d.GraphicContext, text string) { // Draw a rounded rectangle using default colors draw2dkit.RoundedRectangle(gc, 5, 5, 135, 95, 10, 10) gc.FillStroke() // Set the font luximbi.ttf gc.SetFontData(draw2d.FontData{Name: "luxi", Family: draw2d.FontFamilyMono, Style: draw2d.FontStyleBold | draw2d.FontStyleItalic}) // Set the fill text color to black gc.SetFillColor(image.Black) gc.SetFontSize(14) // Display Hello World gc.FillStringAt("Hello World", 8, 52) }
go
{ "resource": "" }
q179508
SaveToPngFile
test
func SaveToPngFile(filePath string, m image.Image) error { // Create the file f, err := os.Create(filePath) if err != nil { return err } defer f.Close() // Create Writer from file b := bufio.NewWriter(f) // Write the image into the buffer err = png.Encode(b, m) if err != nil { return err } err = b.Flush() if err != nil { return err } return nil }
go
{ "resource": "" }
q179509
LoadFromPngFile
test
func LoadFromPngFile(filePath string) (image.Image, error) { // Open file f, err := os.OpenFile(filePath, 0, 0) if err != nil { return nil, err } defer f.Close() b := bufio.NewReader(f) img, err := png.Decode(b) if err != nil { return nil, err } return img, nil }
go
{ "resource": "" }
q179510
Resource
test
func Resource(folder, filename, ext string) string { var root string if ext == "pdf" || ext == "svg" { root = "../" } return fmt.Sprintf("%sresource/%s/%s", root, folder, filename) }
go
{ "resource": "" }
q179511
Output
test
func Output(name, ext string) string { var root string if ext == "pdf" || ext == "svg" { root = "../" } return fmt.Sprintf("%soutput/samples/%s.%s", root, name, ext) }
go
{ "resource": "" }
q179512
Main
test
func Main(gc draw2d.GraphicContext, ext string) (string, error) { gc.Save() // flip the image gc.Translate(0, 200) gc.Scale(0.35, -0.35) gc.Translate(70, -200) // Tiger postscript drawing tiger := samples.Resource("image", "tiger.ps", ext) // Draw tiger Draw(gc, tiger) gc.Restore() // Return the output filename return samples.Output("postscript", ext), nil }
go
{ "resource": "" }
q179513
Draw
test
func Draw(gc draw2d.GraphicContext, filename string) { // Open the postscript src, err := os.OpenFile(filename, 0, 0) if err != nil { panic(err) } defer src.Close() bytes, err := ioutil.ReadAll(src) reader := strings.NewReader(string(bytes)) // Initialize and interpret the postscript interpreter := ps.NewInterpreter(gc) interpreter.Execute(reader) }
go
{ "resource": "" }
q179514
Main
test
func Main(gc draw2d.GraphicContext, ext string) (string, error) { // Draw the droid Draw(gc, 297, 210) // Return the output filename return samples.Output("geometry", ext), nil }
go
{ "resource": "" }
q179515
Bubble
test
func Bubble(gc draw2d.GraphicContext, x, y, width, height float64) { sx, sy := width/100, height/100 gc.MoveTo(x+sx*50, y) gc.QuadCurveTo(x, y, x, y+sy*37.5) gc.QuadCurveTo(x, y+sy*75, x+sx*25, y+sy*75) gc.QuadCurveTo(x+sx*25, y+sy*95, x+sx*5, y+sy*100) gc.QuadCurveTo(x+sx*35, y+sy*95, x+sx*40, y+sy*75) gc.QuadCurveTo(x+sx*100, y+sy*75, x+sx*100, y+sy*37.5) gc.QuadCurveTo(x+sx*100, y, x+sx*50, y) gc.Stroke() }
go
{ "resource": "" }
q179516
Dash
test
func Dash(gc draw2d.GraphicContext, x, y, width, height float64) { sx, sy := width/162, height/205 gc.SetStrokeColor(image.Black) gc.SetLineDash([]float64{height / 10, height / 50, height / 50, height / 50}, -50.0) gc.SetLineCap(draw2d.ButtCap) gc.SetLineJoin(draw2d.RoundJoin) gc.SetLineWidth(height / 50) gc.MoveTo(x+sx*60.0, y) gc.LineTo(x+sx*60.0, y) gc.LineTo(x+sx*162, y+sy*205) rLineTo(gc, sx*-102.4, 0) gc.CubicCurveTo(x+sx*-17, y+sy*205, x+sx*-17, y+sy*103, x+sx*60.0, y+sy*103.0) gc.Stroke() gc.SetLineDash(nil, 0.0) }
go
{ "resource": "" }
q179517
CubicCurve
test
func CubicCurve(gc draw2d.GraphicContext, x, y, width, height float64) { sx, sy := width/162, height/205 x0, y0 := x, y+sy*100.0 x1, y1 := x+sx*75, y+sy*205 x2, y2 := x+sx*125, y x3, y3 := x+sx*205, y+sy*100 gc.SetStrokeColor(image.Black) gc.SetFillColor(color.NRGBA{0xAA, 0xAA, 0xAA, 0xFF}) gc.SetLineWidth(width / 10) gc.MoveTo(x0, y0) gc.CubicCurveTo(x1, y1, x2, y2, x3, y3) gc.Stroke() gc.SetStrokeColor(color.NRGBA{0xFF, 0x33, 0x33, 0x88}) gc.SetLineWidth(width / 20) // draw segment of curve gc.MoveTo(x0, y0) gc.LineTo(x1, y1) gc.LineTo(x2, y2) gc.LineTo(x3, y3) gc.Stroke() }
go
{ "resource": "" }
q179518
FillStroke
test
func FillStroke(gc draw2d.GraphicContext, x, y, width, height float64) { sx, sy := width/210, height/215 gc.MoveTo(x+sx*113.0, y) gc.LineTo(x+sx*215.0, y+sy*215) rLineTo(gc, sx*-100, 0) gc.CubicCurveTo(x+sx*35, y+sy*215, x+sx*35, y+sy*113, x+sx*113.0, y+sy*113) gc.Close() gc.MoveTo(x+sx*50.0, y) rLineTo(gc, sx*51.2, sy*51.2) rLineTo(gc, sx*-51.2, sy*51.2) rLineTo(gc, sx*-51.2, sy*-51.2) gc.Close() gc.SetLineWidth(width / 20.0) gc.SetFillColor(color.NRGBA{0, 0, 0xFF, 0xFF}) gc.SetStrokeColor(image.Black) gc.FillStroke() }
go
{ "resource": "" }
q179519
FillStyle
test
func FillStyle(gc draw2d.GraphicContext, x, y, width, height float64) { sx, sy := width/232, height/220 gc.SetLineWidth(width / 40) draw2dkit.Rectangle(gc, x+sx*0, y+sy*12, x+sx*232, y+sy*70) var wheel1, wheel2 draw2d.Path wheel1.ArcTo(x+sx*52, y+sy*70, sx*40, sy*40, 0, 2*math.Pi) wheel2.ArcTo(x+sx*180, y+sy*70, sx*40, sy*40, 0, -2*math.Pi) gc.SetFillRule(draw2d.FillRuleEvenOdd) gc.SetFillColor(color.NRGBA{0, 0xB2, 0, 0xFF}) gc.SetStrokeColor(image.Black) gc.FillStroke(&wheel1, &wheel2) draw2dkit.Rectangle(gc, x, y+sy*140, x+sx*232, y+sy*198) wheel1.Clear() wheel1.ArcTo(x+sx*52, y+sy*198, sx*40, sy*40, 0, 2*math.Pi) wheel2.Clear() wheel2.ArcTo(x+sx*180, y+sy*198, sx*40, sy*40, 0, -2*math.Pi) gc.SetFillRule(draw2d.FillRuleWinding) gc.SetFillColor(color.NRGBA{0, 0, 0xE5, 0xFF}) gc.FillStroke(&wheel1, &wheel2) }
go
{ "resource": "" }
q179520
PathTransform
test
func PathTransform(gc draw2d.GraphicContext, x, y, width, height float64) { gc.Save() gc.SetLineWidth(width / 10) gc.Translate(x+width/2, y+height/2) gc.Scale(1, 4) gc.ArcTo(0, 0, width/8, height/8, 0, math.Pi*2) gc.Close() gc.Stroke() gc.Restore() }
go
{ "resource": "" }
q179521
Star
test
func Star(gc draw2d.GraphicContext, x, y, width, height float64) { gc.Save() gc.Translate(x+width/2, y+height/2) gc.SetLineWidth(width / 40) for i := 0.0; i < 360; i = i + 10 { // Go from 0 to 360 degrees in 10 degree steps gc.Save() // Keep rotations temporary gc.Rotate(i * (math.Pi / 180.0)) // Rotate by degrees on stack from 'for' gc.MoveTo(0, 0) gc.LineTo(width/2, 0) gc.Stroke() gc.Restore() } gc.Restore() }
go
{ "resource": "" }
q179522
Draw
test
func Draw(gc draw2d.GraphicContext, width, height float64) { mx, my := width*0.025, height*0.025 // margin dx, dy := (width-2*mx)/4, (height-2*my)/3 w, h := dx-2*mx, dy-2*my x0, y := 2*mx, 2*my x := x0 Bubble(gc, x, y, w, h) x += dx CurveRectangle(gc, x, y, w, h, color.NRGBA{0x80, 0, 0, 0x80}, color.NRGBA{0x80, 0x80, 0xFF, 0xFF}) x += dx Dash(gc, x, y, w, h) x += dx Arc(gc, x, y, w, h) x = x0 y += dy ArcNegative(gc, x, y, w, h) x += dx CubicCurve(gc, x, y, w, h) x += dx FillString(gc, x, y, w, h) x += dx FillStroke(gc, x, y, w, h) x = x0 y += dy FillStyle(gc, x, y, w, h) x += dx PathTransform(gc, x, y, w, h) x += dx Star(gc, x, y, w, h) x += dx gopher2.Draw(gc, x, y, w, h/2) }
go
{ "resource": "" }
q179523
ConvertPath
test
func ConvertPath(path *draw2d.Path, pdf Vectorizer) { var startX, startY float64 = 0, 0 i := 0 for _, cmp := range path.Components { switch cmp { case draw2d.MoveToCmp: startX, startY = path.Points[i], path.Points[i+1] pdf.MoveTo(startX, startY) i += 2 case draw2d.LineToCmp: pdf.LineTo(path.Points[i], path.Points[i+1]) i += 2 case draw2d.QuadCurveToCmp: pdf.CurveTo(path.Points[i], path.Points[i+1], path.Points[i+2], path.Points[i+3]) i += 4 case draw2d.CubicCurveToCmp: pdf.CurveBezierCubicTo(path.Points[i], path.Points[i+1], path.Points[i+2], path.Points[i+3], path.Points[i+4], path.Points[i+5]) i += 6 case draw2d.ArcToCmp: pdf.ArcTo(path.Points[i], path.Points[i+1], path.Points[i+2], path.Points[i+3], 0, // degRotate path.Points[i+4]*deg, // degStart = startAngle (path.Points[i+4]-path.Points[i+5])*deg) // degEnd = startAngle-angle i += 6 case draw2d.CloseCmp: pdf.LineTo(startX, startY) pdf.ClosePath() } } }
go
{ "resource": "" }
q179524
Main
test
func Main(gc draw2d.GraphicContext, ext string) (string, error) { // Draw the line const offset = 75.0 x := 35.0 caps := []draw2d.LineCap{draw2d.ButtCap, draw2d.SquareCap, draw2d.RoundCap} joins := []draw2d.LineJoin{draw2d.BevelJoin, draw2d.MiterJoin, draw2d.RoundJoin} for i := range caps { Draw(gc, caps[i], joins[i], x, 50, x, 160, offset) x += offset } // Return the output filename return samples.Output("linecapjoin", ext), nil }
go
{ "resource": "" }
q179525
Draw
test
func Draw(gc draw2d.GraphicContext, cap draw2d.LineCap, join draw2d.LineJoin, x0, y0, x1, y1, offset float64) { gc.SetLineCap(cap) gc.SetLineJoin(join) // Draw thick line gc.SetStrokeColor(color.NRGBA{0x33, 0x33, 0x33, 0xFF}) gc.SetLineWidth(30.0) gc.MoveTo(x0, y0) gc.LineTo((x0+x1)/2+offset, (y0+y1)/2) gc.LineTo(x1, y1) gc.Stroke() // Draw thin helping line gc.SetStrokeColor(color.NRGBA{0xFF, 0x33, 0x33, 0xFF}) gc.SetLineWidth(2.56) gc.MoveTo(x0, y0) gc.LineTo((x0+x1)/2+offset, (y0+y1)/2) gc.LineTo(x1, y1) gc.Stroke() }
go
{ "resource": "" }
q179526
DrawContour
test
func DrawContour(path draw2d.PathBuilder, ps []truetype.Point, dx, dy float64) { if len(ps) == 0 { return } startX, startY := pointToF64Point(ps[0]) path.MoveTo(startX+dx, startY+dy) q0X, q0Y, on0 := startX, startY, true for _, p := range ps[1:] { qX, qY := pointToF64Point(p) on := p.Flags&0x01 != 0 if on { if on0 { path.LineTo(qX+dx, qY+dy) } else { path.QuadCurveTo(q0X+dx, q0Y+dy, qX+dx, qY+dy) } } else { if on0 { // No-op. } else { midX := (q0X + qX) / 2 midY := (q0Y + qY) / 2 path.QuadCurveTo(q0X+dx, q0Y+dy, midX+dx, midY+dy) } } q0X, q0Y, on0 = qX, qY, on } // Close the curve. if on0 { path.LineTo(startX+dx, startY+dy) } else { path.QuadCurveTo(q0X+dx, q0Y+dy, startX+dx, startY+dy) } }
go
{ "resource": "" }
q179527
Flatten
test
func Flatten(path *draw2d.Path, flattener Flattener, scale float64) { // First Point var startX, startY float64 = 0, 0 // Current Point var x, y float64 = 0, 0 i := 0 for _, cmp := range path.Components { switch cmp { case draw2d.MoveToCmp: x, y = path.Points[i], path.Points[i+1] startX, startY = x, y if i != 0 { flattener.End() } flattener.MoveTo(x, y) i += 2 case draw2d.LineToCmp: x, y = path.Points[i], path.Points[i+1] flattener.LineTo(x, y) flattener.LineJoin() i += 2 case draw2d.QuadCurveToCmp: TraceQuad(flattener, path.Points[i-2:], 0.5) x, y = path.Points[i+2], path.Points[i+3] flattener.LineTo(x, y) i += 4 case draw2d.CubicCurveToCmp: TraceCubic(flattener, path.Points[i-2:], 0.5) x, y = path.Points[i+4], path.Points[i+5] flattener.LineTo(x, y) i += 6 case draw2d.ArcToCmp: x, y = TraceArc(flattener, path.Points[i], path.Points[i+1], path.Points[i+2], path.Points[i+3], path.Points[i+4], path.Points[i+5], scale) flattener.LineTo(x, y) i += 6 case draw2d.CloseCmp: flattener.LineTo(startX, startY) flattener.Close() } } flattener.End() }
go
{ "resource": "" }
q179528
Clear
test
func (gc *GraphicContext) Clear() { width, height := gc.img.Bounds().Dx(), gc.img.Bounds().Dy() gc.ClearRect(0, 0, width, height) }
go
{ "resource": "" }
q179529
ClearRect
test
func (gc *GraphicContext) ClearRect(x1, y1, x2, y2 int) { imageColor := image.NewUniform(gc.Current.FillColor) draw.Draw(gc.img, image.Rect(x1, y1, x2, y2), imageColor, image.ZP, draw.Over) }
go
{ "resource": "" }
q179530
DrawImage
test
func DrawImage(src image.Image, dest draw.Image, tr draw2d.Matrix, op draw.Op, filter ImageFilter) { var transformer draw.Transformer switch filter { case LinearFilter: transformer = draw.NearestNeighbor case BilinearFilter: transformer = draw.BiLinear case BicubicFilter: transformer = draw.CatmullRom } transformer.Transform(dest, f64.Aff3{tr[0], tr[1], tr[4], tr[2], tr[3], tr[5]}, src, src.Bounds(), op, nil) }
go
{ "resource": "" }
q179531
Main
test
func Main(gc draw2d.GraphicContext, ext string) (string, error) { // Margin between the image and the frame const margin = 30 // Line width od the frame const lineWidth = 3 // Gopher image gopher := samples.Resource("image", "gopher.png", ext) // Draw gopher err := Draw(gc, gopher, 297, 210, margin, lineWidth) // Return the output filename return samples.Output("frameimage", ext), err }
go
{ "resource": "" }
q179532
Draw
test
func Draw(gc draw2d.GraphicContext, png string, dw, dh, margin, lineWidth float64) error { // Draw frame draw2dkit.RoundedRectangle(gc, lineWidth, lineWidth, dw-lineWidth, dh-lineWidth, 100, 100) gc.SetLineWidth(lineWidth) gc.FillStroke() // load the source image source, err := draw2dimg.LoadFromPngFile(png) if err != nil { return err } // Size of source image sw, sh := float64(source.Bounds().Dx()), float64(source.Bounds().Dy()) // Draw image to fit in the frame // TODO Seems to have a transform bug here on draw image scale := math.Min((dw-margin*2)/sw, (dh-margin*2)/sh) gc.Save() gc.Translate((dw-sw*scale)/2, (dh-sh*scale)/2) gc.Scale(scale, scale) gc.Rotate(0.2) gc.DrawImage(source) gc.Restore() return nil }
go
{ "resource": "" }
q179533
Draw
test
func Draw(gc draw2d.GraphicContext, x, y float64) { // set the fill and stroke color of the droid gc.SetFillColor(color.RGBA{0x44, 0xff, 0x44, 0xff}) gc.SetStrokeColor(color.RGBA{0x44, 0x44, 0x44, 0xff}) // set line properties gc.SetLineCap(draw2d.RoundCap) gc.SetLineWidth(5) // head gc.MoveTo(x+30, y+70) gc.ArcTo(x+80, y+70, 50, 50, 180*(math.Pi/180), 180*(math.Pi/180)) gc.Close() gc.FillStroke() gc.MoveTo(x+60, y+25) gc.LineTo(x+50, y+10) gc.MoveTo(x+100, y+25) gc.LineTo(x+110, y+10) gc.Stroke() // left eye draw2dkit.Circle(gc, x+60, y+45, 5) gc.FillStroke() // right eye draw2dkit.Circle(gc, x+100, y+45, 5) gc.FillStroke() // body draw2dkit.RoundedRectangle(gc, x+30, y+75, x+30+100, y+75+90, 10, 10) gc.FillStroke() draw2dkit.Rectangle(gc, x+30, y+75, x+30+100, y+75+80) gc.FillStroke() // left arm draw2dkit.RoundedRectangle(gc, x+5, y+80, x+5+20, y+80+70, 10, 10) gc.FillStroke() // right arm draw2dkit.RoundedRectangle(gc, x+135, y+80, x+135+20, y+80+70, 10, 10) gc.FillStroke() // left leg draw2dkit.RoundedRectangle(gc, x+50, y+150, x+50+20, y+150+50, 10, 10) gc.FillStroke() // right leg draw2dkit.RoundedRectangle(gc, x+90, y+150, x+90+20, y+150+50, 10, 10) gc.FillStroke() }
go
{ "resource": "" }
q179534
ChecksumString32S
test
func ChecksumString32S(s string, seed uint32) uint32 { if len(s) == 0 { return Checksum32S(nil, seed) } ss := (*reflect.StringHeader)(unsafe.Pointer(&s)) return Checksum32S((*[maxInt32]byte)(unsafe.Pointer(ss.Data))[:len(s):len(s)], seed) }
go
{ "resource": "" }
q179535
ChecksumString64S
test
func ChecksumString64S(s string, seed uint64) uint64 { if len(s) == 0 { return Checksum64S(nil, seed) } ss := (*reflect.StringHeader)(unsafe.Pointer(&s)) return Checksum64S((*[maxInt32]byte)(unsafe.Pointer(ss.Data))[:len(s):len(s)], seed) }
go
{ "resource": "" }
q179536
NewS32
test
func NewS32(seed uint32) (xx *XXHash32) { xx = &XXHash32{ seed: seed, } xx.Reset() return }
go
{ "resource": "" }
q179537
NewS64
test
func NewS64(seed uint64) (xx *XXHash64) { xx = &XXHash64{ seed: seed, } xx.Reset() return }
go
{ "resource": "" }
q179538
round64
test
func round64(h, v uint64) uint64 { h += v * prime64x2 h = rotl64_31(h) h *= prime64x1 return h }
go
{ "resource": "" }
q179539
Checksum32S
test
func Checksum32S(in []byte, seed uint32) (h uint32) { var i int if len(in) > 15 { var ( v1 = seed + prime32x1 + prime32x2 v2 = seed + prime32x2 v3 = seed + 0 v4 = seed - prime32x1 ) for ; i < len(in)-15; i += 16 { in := in[i : i+16 : len(in)] v1 += u32(in[0:4:len(in)]) * prime32x2 v1 = rotl32_13(v1) * prime32x1 v2 += u32(in[4:8:len(in)]) * prime32x2 v2 = rotl32_13(v2) * prime32x1 v3 += u32(in[8:12:len(in)]) * prime32x2 v3 = rotl32_13(v3) * prime32x1 v4 += u32(in[12:16:len(in)]) * prime32x2 v4 = rotl32_13(v4) * prime32x1 } h = rotl32_1(v1) + rotl32_7(v2) + rotl32_12(v3) + rotl32_18(v4) } else { h = seed + prime32x5 } h += uint32(len(in)) for ; i <= len(in)-4; i += 4 { in := in[i : i+4 : len(in)] h += u32(in[0:4:len(in)]) * prime32x3 h = rotl32_17(h) * prime32x4 } for ; i < len(in); i++ { h += uint32(in[i]) * prime32x5 h = rotl32_11(h) * prime32x1 } h ^= h >> 15 h *= prime32x2 h ^= h >> 13 h *= prime32x3 h ^= h >> 16 return }
go
{ "resource": "" }
q179540
Checksum64S
test
func Checksum64S(in []byte, seed uint64) uint64 { if len(in) == 0 && seed == 0 { return 0xef46db3751d8e999 } if len(in) > 31 { return checksum64(in, seed) } return checksum64Short(in, seed) }
go
{ "resource": "" }
q179541
getStage
test
func getStage() (stage int, advanceStage func() error, resetEnv func() error) { var origValue string stage = 0 daemonStage := os.Getenv(stageVar) stageTag := strings.SplitN(daemonStage, ":", 2) stageInfo := strings.SplitN(stageTag[0], "/", 3) if len(stageInfo) == 3 { stageStr, tm, check := stageInfo[0], stageInfo[1], stageInfo[2] hash := sha1.New() hash.Write([]byte(stageStr + "/" + tm + "/")) if check != hex.EncodeToString(hash.Sum([]byte{})) { // This whole chunk is original data origValue = daemonStage } else { stage, _ = strconv.Atoi(stageStr) if len(stageTag) == 2 { origValue = stageTag[1] } } } else { origValue = daemonStage } advanceStage = func() error { base := fmt.Sprintf("%d/%09d/", stage+1, time.Now().Nanosecond()) hash := sha1.New() hash.Write([]byte(base)) tag := base + hex.EncodeToString(hash.Sum([]byte{})) if err := os.Setenv(stageVar, tag+":"+origValue); err != nil { return fmt.Errorf("can't set %s: %s", stageVar, err) } return nil } resetEnv = func() error { return os.Setenv(stageVar, origValue) } return stage, advanceStage, resetEnv }
go
{ "resource": "" }
q179542
New
test
func New() *Glg { g := &Glg{ levelCounter: new(uint32), buffer: sync.Pool{ New: func() interface{} { return bytes.NewBuffer(make([]byte, 0, bufferSize)) }, }, } atomic.StoreUint32(g.levelCounter, uint32(FATAL)) for lev, log := range map[LEVEL]*logger{ // standard out PRINT: { std: os.Stdout, color: Colorless, isColor: true, mode: STD, }, LOG: { std: os.Stdout, color: Colorless, isColor: true, mode: STD, }, INFO: { std: os.Stdout, color: Green, isColor: true, mode: STD, }, DEBG: { std: os.Stdout, color: Purple, isColor: true, mode: STD, }, OK: { std: os.Stdout, color: Cyan, isColor: true, mode: STD, }, WARN: { std: os.Stdout, color: Orange, isColor: true, mode: STD, }, // error out ERR: { std: os.Stderr, color: Red, isColor: true, mode: STD, }, FAIL: { std: os.Stderr, color: Red, isColor: true, mode: STD, }, FATAL: { std: os.Stderr, color: Red, isColor: true, mode: STD, }, } { log.tag = lev.String() log.updateMode() g.logger.Store(lev, log) } return g }
go
{ "resource": "" }
q179543
Get
test
func Get() *Glg { once.Do(func() { fastime.SetFormat(timeFormat) glg = New() }) return glg }
go
{ "resource": "" }
q179544
SetMode
test
func (g *Glg) SetMode(mode MODE) *Glg { g.logger.Range(func(key, val interface{}) bool { l := val.(*logger) l.mode = mode l.updateMode() g.logger.Store(key.(LEVEL), l) return true }) return g }
go
{ "resource": "" }
q179545
SetPrefix
test
func (g *Glg) SetPrefix(pref string) *Glg { v, ok := g.logger.Load(PRINT) if ok { value := v.(*logger) value.tag = pref g.logger.Store(PRINT, value) } return g }
go
{ "resource": "" }
q179546
GetCurrentMode
test
func (g *Glg) GetCurrentMode(level LEVEL) MODE { l, ok := g.logger.Load(level) if ok { return l.(*logger).mode } return NONE }
go
{ "resource": "" }
q179547
InitWriter
test
func (g *Glg) InitWriter() *Glg { g.logger.Range(func(key, val interface{}) bool { l := val.(*logger) l.writer = nil l.updateMode() g.logger.Store(key.(LEVEL), l) return true }) return g }
go
{ "resource": "" }
q179548
SetWriter
test
func (g *Glg) SetWriter(writer io.Writer) *Glg { if writer == nil { return g } g.logger.Range(func(key, val interface{}) bool { l := val.(*logger) l.writer = writer l.updateMode() g.logger.Store(key.(LEVEL), l) return true }) return g }
go
{ "resource": "" }
q179549
SetLevelColor
test
func (g *Glg) SetLevelColor(level LEVEL, color func(string) string) *Glg { lev, ok := g.logger.Load(level) if ok { l := lev.(*logger) l.color = color g.logger.Store(level, l) } return g }
go
{ "resource": "" }
q179550
SetLevelWriter
test
func (g *Glg) SetLevelWriter(level LEVEL, writer io.Writer) *Glg { if writer == nil { return g } lev, ok := g.logger.Load(level) if ok { l := lev.(*logger) l.writer = writer l.updateMode() g.logger.Store(level, l) } return g }
go
{ "resource": "" }
q179551
AddStdLevel
test
func (g *Glg) AddStdLevel(tag string, mode MODE, isColor bool) *Glg { atomic.AddUint32(g.levelCounter, 1) lev := LEVEL(atomic.LoadUint32(g.levelCounter)) g.levelMap.Store(tag, lev) l := &logger{ writer: nil, std: os.Stdout, color: Colorless, isColor: isColor, mode: mode, tag: tag, } l.updateMode() g.logger.Store(lev, l) return g }
go
{ "resource": "" }
q179552
EnableColor
test
func (g *Glg) EnableColor() *Glg { g.logger.Range(func(key, val interface{}) bool { l := val.(*logger) l.isColor = true l.updateMode() g.logger.Store(key.(LEVEL), l) return true }) return g }
go
{ "resource": "" }
q179553
EnableLevelColor
test
func (g *Glg) EnableLevelColor(lv LEVEL) *Glg { ins, ok := g.logger.Load(lv) if ok { l := ins.(*logger) l.isColor = true l.updateMode() g.logger.Store(lv, l) } return g }
go
{ "resource": "" }
q179554
DisableLevelColor
test
func (g *Glg) DisableLevelColor(lv LEVEL) *Glg { ins, ok := g.logger.Load(lv) if ok { l := ins.(*logger) l.isColor = false l.updateMode() g.logger.Store(lv, l) } return g }
go
{ "resource": "" }
q179555
RawString
test
func (g *Glg) RawString(data []byte) string { str := *(*string)(unsafe.Pointer(&data)) return str[strings.Index(str, sep)+sepl : len(str)-rcl] }
go
{ "resource": "" }
q179556
TagStringToLevel
test
func (g *Glg) TagStringToLevel(tag string) LEVEL { l, ok := g.levelMap.Load(tag) if !ok { return 255 } return l.(LEVEL) }
go
{ "resource": "" }
q179557
Println
test
func Println(val ...interface{}) error { return glg.out(PRINT, blankFormat(len(val)), val...) }
go
{ "resource": "" }
q179558
Fatal
test
func (g *Glg) Fatal(val ...interface{}) { err := g.out(FATAL, blankFormat(len(val)), val...) if err != nil { err = g.Error(err.Error()) if err != nil { panic(err) } } exit(1) }
go
{ "resource": "" }
q179559
Fatalf
test
func (g *Glg) Fatalf(format string, val ...interface{}) { err := g.out(FATAL, format, val...) if err != nil { err = g.Error(err.Error()) if err != nil { panic(err) } } exit(1) }
go
{ "resource": "" }
q179560
isModeEnable
test
func (g *Glg) isModeEnable(l LEVEL) bool { return g.GetCurrentMode(l) != NONE }
go
{ "resource": "" }
q179561
CaptureMetrics
test
func CaptureMetrics(hnd http.Handler, w http.ResponseWriter, r *http.Request) Metrics { return CaptureMetricsFn(w, func(ww http.ResponseWriter) { hnd.ServeHTTP(ww, r) }) }
go
{ "resource": "" }
q179562
get
test
func (da *cedar) get(key []byte, from, pos int) *int { for ; pos < len(key); pos++ { if value := da.Array[from].Value; value >= 0 && value != ValueLimit { to := da.follow(from, 0) da.Array[to].Value = value } from = da.follow(from, key[pos]) } to := from if da.Array[from].Value < 0 { to = da.follow(from, 0) } return &da.Array[to].Value }
go
{ "resource": "" }
q179563
Save
test
func (da *Cedar) Save(out io.Writer, dataType string) error { switch dataType { case "gob", "GOB": dataEecoder := gob.NewEncoder(out) return dataEecoder.Encode(da.cedar) case "json", "JSON": dataEecoder := json.NewEncoder(out) return dataEecoder.Encode(da.cedar) } return ErrInvalidDataType }
go
{ "resource": "" }
q179564
SaveToFile
test
func (da *Cedar) SaveToFile(fileName string, dataType string) error { file, err := os.OpenFile(fileName, os.O_CREATE|os.O_WRONLY, 0666) if err != nil { return err } defer file.Close() out := bufio.NewWriter(file) defer out.Flush() da.Save(out, dataType) return nil }
go
{ "resource": "" }
q179565
Load
test
func (da *Cedar) Load(in io.Reader, dataType string) error { switch dataType { case "gob", "GOB": dataDecoder := gob.NewDecoder(in) return dataDecoder.Decode(da.cedar) case "json", "JSON": dataDecoder := json.NewDecoder(in) return dataDecoder.Decode(da.cedar) } return ErrInvalidDataType }
go
{ "resource": "" }
q179566
LoadFromFile
test
func (da *Cedar) LoadFromFile(fileName string, dataType string) error { file, err := os.OpenFile(fileName, os.O_RDONLY, 0600) defer file.Close() if err != nil { return err } in := bufio.NewReader(file) return da.Load(in, dataType) }
go
{ "resource": "" }
q179567
Key
test
func (da *Cedar) Key(id int) (key []byte, err error) { for id > 0 { from := da.Array[id].Check if from < 0 { return nil, ErrNoPath } if char := byte(da.Array[from].base() ^ id); char != 0 { key = append(key, char) } id = from } if id != 0 || len(key) == 0 { return nil, ErrInvalidKey } for i := 0; i < len(key)/2; i++ { key[i], key[len(key)-i-1] = key[len(key)-i-1], key[i] } return key, nil }
go
{ "resource": "" }
q179568
Value
test
func (da *Cedar) Value(id int) (value int, err error) { value = da.Array[id].Value if value >= 0 { return value, nil } to := da.Array[id].base() if da.Array[to].Check == id && da.Array[to].Value >= 0 { return da.Array[to].Value, nil } return 0, ErrNoValue }
go
{ "resource": "" }
q179569
Delete
test
func (da *Cedar) Delete(key []byte) error { // if the path does not exist, or the end is not a leaf, nothing to delete to, err := da.Jump(key, 0) if err != nil { return ErrNoPath } if da.Array[to].Value < 0 { base := da.Array[to].base() if da.Array[base].Check == to { to = base } } for to > 0 { from := da.Array[to].Check base := da.Array[from].base() label := byte(to ^ base) // if `to` has sibling, remove `to` from the sibling list, then stop if da.Ninfos[to].Sibling != 0 || da.Ninfos[from].Child != label { // delete the label from the child ring first da.popSibling(from, base, label) // then release the current node `to` to the empty node ring da.pushEnode(to) break } // otherwise, just release the current node `to` to the empty node ring da.pushEnode(to) // then check its parent node to = from } return nil }
go
{ "resource": "" }
q179570
Set
test
func (v *Version) Set(version string) error { metadata := splitOff(&version, "+") preRelease := PreRelease(splitOff(&version, "-")) dotParts := strings.SplitN(version, ".", 3) if len(dotParts) != 3 { return fmt.Errorf("%s is not in dotted-tri format", version) } if err := validateIdentifier(string(preRelease)); err != nil { return fmt.Errorf("failed to validate pre-release: %v", err) } if err := validateIdentifier(metadata); err != nil { return fmt.Errorf("failed to validate metadata: %v", err) } parsed := make([]int64, 3, 3) for i, v := range dotParts[:3] { val, err := strconv.ParseInt(v, 10, 64) parsed[i] = val if err != nil { return err } } v.Metadata = metadata v.PreRelease = preRelease v.Major = parsed[0] v.Minor = parsed[1] v.Patch = parsed[2] return nil }
go
{ "resource": "" }
q179571
Compare
test
func (v Version) Compare(versionB Version) int { if cmp := recursiveCompare(v.Slice(), versionB.Slice()); cmp != 0 { return cmp } return preReleaseCompare(v, versionB) }
go
{ "resource": "" }
q179572
Slice
test
func (v Version) Slice() []int64 { return []int64{v.Major, v.Minor, v.Patch} }
go
{ "resource": "" }
q179573
BumpMajor
test
func (v *Version) BumpMajor() { v.Major += 1 v.Minor = 0 v.Patch = 0 v.PreRelease = PreRelease("") v.Metadata = "" }
go
{ "resource": "" }
q179574
BumpMinor
test
func (v *Version) BumpMinor() { v.Minor += 1 v.Patch = 0 v.PreRelease = PreRelease("") v.Metadata = "" }
go
{ "resource": "" }
q179575
BumpPatch
test
func (v *Version) BumpPatch() { v.Patch += 1 v.PreRelease = PreRelease("") v.Metadata = "" }
go
{ "resource": "" }
q179576
validateIdentifier
test
func validateIdentifier(id string) error { if id != "" && !reIdentifier.MatchString(id) { return fmt.Errorf("%s is not a valid semver identifier", id) } return nil }
go
{ "resource": "" }
q179577
newStream
test
func newStream(bufsize int, replay bool) *Stream { return &Stream{ AutoReplay: replay, subscribers: make([]*Subscriber, 0), register: make(chan *Subscriber), deregister: make(chan *Subscriber), event: make(chan *Event, bufsize), quit: make(chan bool), Eventlog: make(EventLog, 0), } }
go
{ "resource": "" }
q179578
addSubscriber
test
func (str *Stream) addSubscriber(eventid string) *Subscriber { sub := &Subscriber{ eventid: eventid, quit: str.deregister, connection: make(chan *Event, 64), } str.register <- sub return sub }
go
{ "resource": "" }
q179579
New
test
func New() *Server { return &Server{ BufferSize: DefaultBufferSize, AutoStream: false, AutoReplay: true, Streams: make(map[string]*Stream), } }
go
{ "resource": "" }
q179580
Close
test
func (s *Server) Close() { s.mu.Lock() defer s.mu.Unlock() for id := range s.Streams { s.Streams[id].quit <- true delete(s.Streams, id) } }
go
{ "resource": "" }
q179581
CreateStream
test
func (s *Server) CreateStream(id string) *Stream { s.mu.Lock() defer s.mu.Unlock() if s.Streams[id] != nil { return s.Streams[id] } str := newStream(s.BufferSize, s.AutoReplay) str.run() s.Streams[id] = str return str }
go
{ "resource": "" }
q179582
RemoveStream
test
func (s *Server) RemoveStream(id string) { s.mu.Lock() defer s.mu.Unlock() if s.Streams[id] != nil { s.Streams[id].close() delete(s.Streams, id) } }
go
{ "resource": "" }
q179583
StreamExists
test
func (s *Server) StreamExists(id string) bool { s.mu.Lock() defer s.mu.Unlock() return s.Streams[id] != nil }
go
{ "resource": "" }
q179584
Publish
test
func (s *Server) Publish(id string, event *Event) { s.mu.Lock() defer s.mu.Unlock() if s.Streams[id] != nil { s.Streams[id].event <- s.process(event) } }
go
{ "resource": "" }
q179585
NewClient
test
func NewClient(url string) *Client { return &Client{ URL: url, Connection: &http.Client{}, Headers: make(map[string]string), subscribed: make(map[chan *Event]chan bool), } }
go
{ "resource": "" }
q179586
Subscribe
test
func (c *Client) Subscribe(stream string, handler func(msg *Event)) error { operation := func() error { resp, err := c.request(stream) if err != nil { return err } defer resp.Body.Close() reader := NewEventStreamReader(resp.Body) for { // Read each new line and process the type of event event, err := reader.ReadEvent() if err != nil { if err == io.EOF { return nil } // run user specified disconnect function if c.disconnectcb != nil { c.disconnectcb(c) } return err } // If we get an error, ignore it. if msg, err := c.processEvent(event); err == nil { if len(msg.ID) > 0 { c.EventID = string(msg.ID) } else { msg.ID = []byte(c.EventID) } handler(msg) } } } return backoff.Retry(operation, backoff.NewExponentialBackOff()) }
go
{ "resource": "" }
q179587
SubscribeChan
test
func (c *Client) SubscribeChan(stream string, ch chan *Event) error { var connected bool errch := make(chan error) c.mu.Lock() c.subscribed[ch] = make(chan bool) c.mu.Unlock() go func() { operation := func() error { resp, err := c.request(stream) if err != nil { c.cleanup(resp, ch) return err } if resp.StatusCode != 200 { c.cleanup(resp, ch) return errors.New("could not connect to stream") } if !connected { errch <- nil connected = true } reader := NewEventStreamReader(resp.Body) for { // Read each new line and process the type of event event, err := reader.ReadEvent() if err != nil { if err == io.EOF { c.cleanup(resp, ch) return nil } // run user specified disconnect function if c.disconnectcb != nil { c.disconnectcb(c) } return err } // If we get an error, ignore it. if msg, err := c.processEvent(event); err == nil { if len(msg.ID) > 0 { c.EventID = string(msg.ID) } else { msg.ID = []byte(c.EventID) } select { case <-c.subscribed[ch]: c.cleanup(resp, ch) return nil case ch <- msg: // message sent } } } } err := backoff.Retry(operation, backoff.NewExponentialBackOff()) if err != nil && !connected { errch <- err } }() err := <-errch close(errch) return err }
go
{ "resource": "" }
q179588
SubscribeRaw
test
func (c *Client) SubscribeRaw(handler func(msg *Event)) error { return c.Subscribe("", handler) }
go
{ "resource": "" }
q179589
Unsubscribe
test
func (c *Client) Unsubscribe(ch chan *Event) { c.mu.Lock() defer c.mu.Unlock() if c.subscribed[ch] != nil { c.subscribed[ch] <- true } }
go
{ "resource": "" }
q179590
NewEventStreamReader
test
func NewEventStreamReader(eventStream io.Reader) *EventStreamReader { scanner := bufio.NewScanner(eventStream) split := func(data []byte, atEOF bool) (int, []byte, error) { if atEOF && len(data) == 0 { return 0, nil, nil } // We have a full event payload to parse. if i := bytes.Index(data, []byte("\r\n\r\n")); i >= 0 { return i + 1, data[0:i], nil } if i := bytes.Index(data, []byte("\r\r")); i >= 0 { return i + 1, data[0:i], nil } if i := bytes.Index(data, []byte("\n\n")); i >= 0 { return i + 1, data[0:i], nil } // If we're at EOF, we have all of the data. if atEOF { return len(data), data, nil } // Request more data. return 0, nil, nil } // Set the split function for the scanning operation. scanner.Split(split) return &EventStreamReader{ scanner: scanner, } }
go
{ "resource": "" }
q179591
ReadEvent
test
func (e *EventStreamReader) ReadEvent() ([]byte, error) { if e.scanner.Scan() { event := e.scanner.Bytes() return event, nil } if err := e.scanner.Err(); err != nil { return nil, err } return nil, io.EOF }
go
{ "resource": "" }
q179592
HTTPHandler
test
func (s *Server) HTTPHandler(w http.ResponseWriter, r *http.Request) { flusher, err := w.(http.Flusher) if !err { http.Error(w, "Streaming unsupported!", http.StatusInternalServerError) return } w.Header().Set("Content-Type", "text/event-stream") w.Header().Set("Cache-Control", "no-cache") w.Header().Set("Connection", "keep-alive") w.Header().Set("Access-Control-Allow-Origin", "*") // Get the StreamID from the URL streamID := r.URL.Query().Get("stream") if streamID == "" { http.Error(w, "Please specify a stream!", http.StatusInternalServerError) return } stream := s.getStream(streamID) if stream == nil && !s.AutoStream { http.Error(w, "Stream not found!", http.StatusInternalServerError) return } else if stream == nil && s.AutoStream { stream = s.CreateStream(streamID) } eventid := r.Header.Get("Last-Event-ID") if eventid == "" { eventid = "0" } // Create the stream subscriber sub := stream.addSubscriber(eventid) defer sub.close() notify := w.(http.CloseNotifier).CloseNotify() go func() { <-notify sub.close() }() // Push events to client for { select { case ev, ok := <-sub.connection: if !ok { return } // If the data buffer is an empty string abort. if len(ev.Data) == 0 { break } // if the event has expired, dont send it if s.EventTTL != 0 && time.Now().After(ev.timestamp.Add(s.EventTTL)) { continue } fmt.Fprintf(w, "id: %s\n", ev.ID) fmt.Fprintf(w, "data: %s\n", ev.Data) if len(ev.Event) > 0 { fmt.Fprintf(w, "event: %s\n", ev.Event) } if len(ev.Retry) > 0 { fmt.Fprintf(w, "retry: %s\n", ev.Retry) } fmt.Fprint(w, "\n") flusher.Flush() } } }
go
{ "resource": "" }
q179593
Add
test
func (e *EventLog) Add(ev *Event) { ev.ID = []byte(e.currentindex()) ev.timestamp = time.Now() (*e) = append((*e), ev) }
go
{ "resource": "" }
q179594
Replay
test
func (e *EventLog) Replay(s *Subscriber) { for i := 0; i < len((*e)); i++ { if string((*e)[i].ID) >= s.eventid { s.connection <- (*e)[i] } } }
go
{ "resource": "" }
q179595
readKey
test
func readKey(path string) (crypto.Signer, error) { b, err := ioutil.ReadFile(path) if err != nil { return nil, err } d, _ := pem.Decode(b) if d == nil { return nil, fmt.Errorf("no block found in %q", path) } switch d.Type { case rsaPrivateKey: return x509.ParsePKCS1PrivateKey(d.Bytes) case ecPrivateKey: return x509.ParseECPrivateKey(d.Bytes) default: return nil, fmt.Errorf("%q is unsupported", d.Type) } }
go
{ "resource": "" }
q179596
writeKey
test
func writeKey(path string, k *ecdsa.PrivateKey) error { f, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600) if err != nil { return err } bytes, err := x509.MarshalECPrivateKey(k) if err != nil { return err } b := &pem.Block{Type: ecPrivateKey, Bytes: bytes} if err := pem.Encode(f, b); err != nil { f.Close() return err } return f.Close() }
go
{ "resource": "" }
q179597
anyKey
test
func anyKey(filename string, gen bool) (crypto.Signer, error) { k, err := readKey(filename) if err == nil { return k, nil } if !os.IsNotExist(err) || !gen { return nil, err } ecKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) if err != nil { return nil, err } return ecKey, writeKey(filename, ecKey) }
go
{ "resource": "" }
q179598
sameDir
test
func sameDir(existing, filename string) string { return filepath.Join(filepath.Dir(existing), filename) }
go
{ "resource": "" }
q179599
printAccount
test
func printAccount(w io.Writer, a *acme.Account, kp string) { tw := tabwriter.NewWriter(w, 0, 8, 0, '\t', 0) fmt.Fprintln(tw, "URI:\t", a.URI) fmt.Fprintln(tw, "Key:\t", kp) fmt.Fprintln(tw, "Contact:\t", strings.Join(a.Contact, ", ")) fmt.Fprintln(tw, "Terms:\t", a.CurrentTerms) agreed := a.AgreedTerms if a.AgreedTerms == "" { agreed = "no" } else if a.AgreedTerms == a.CurrentTerms { agreed = "yes" } fmt.Fprintln(tw, "Accepted:\t", agreed) // TODO: print authorization and certificates tw.Flush() }
go
{ "resource": "" }