_id
stringlengths
2
7
title
stringlengths
1
118
partition
stringclasses
3 values
text
stringlengths
52
85.5k
language
stringclasses
1 value
meta_information
dict
q6000
NewStaticCall
train
func NewStaticCall(Class node.Node, Call node.Node, ArgumentList *node.ArgumentList) *StaticCall { return &StaticCall{ FreeFloating: nil, Class: Class, Call: Call, ArgumentList: ArgumentList, } }
go
{ "resource": "" }
q6001
NewNotEqual
train
func NewNotEqual(Variable node.Node, Expression node.Node) *NotEqual { return &NotEqual{ FreeFloating: nil, Left: Variable, Right: Expression, } }
go
{ "resource": "" }
q6002
NewAltElseIf
train
func NewAltElseIf(Cond node.Node, Stmt node.Node) *AltElseIf { return &AltElseIf{ FreeFloating: nil, Cond: Cond, Stmt: Stmt, } }
go
{ "resource": "" }
q6003
NewTraitUsePrecedence
train
func NewTraitUsePrecedence(Ref node.Node, Insteadof []node.Node) *TraitUsePrecedence { return &TraitUsePrecedence{ FreeFloating: nil, Ref: Ref, Insteadof: Insteadof, } }
go
{ "resource": "" }
q6004
NewInstanceOf
train
func NewInstanceOf(Expr node.Node, Class node.Node) *InstanceOf { return &InstanceOf{ FreeFloating: nil, Expr: Expr, Class: Class, } }
go
{ "resource": "" }
q6005
NewAltIf
train
func NewAltIf(Cond node.Node, Stmt node.Node, ElseIf []node.Node, Else node.Node) *AltIf { return &AltIf{ FreeFloating: nil, Cond: Cond, Stmt: Stmt, ElseIf: ElseIf, Else: Else, } }
go
{ "resource": "" }
q6006
SetElse
train
func (n *AltIf) SetElse(Else node.Node) node.Node { n.Else = Else return n }
go
{ "resource": "" }
q6007
NewStaticPropertyFetch
train
func NewStaticPropertyFetch(Class node.Node, Property node.Node) *StaticPropertyFetch { return &StaticPropertyFetch{ FreeFloating: nil, Class: Class, Property: Property, } }
go
{ "resource": "" }
q6008
NewClassMethod
train
func NewClassMethod(MethodName node.Node, Modifiers []node.Node, ReturnsRef bool, Params []node.Node, ReturnType node.Node, Stmt node.Node, PhpDocComment string) *ClassMethod { return &ClassMethod{ FreeFloating: nil, ReturnsRef: ReturnsRef, PhpDocComment: PhpDocComment, MethodName: MethodName, Modifiers: Modifiers, Params: Params, ReturnType: ReturnType, Stmt: Stmt, } }
go
{ "resource": "" }
q6009
NewBreak
train
func NewBreak(Expr node.Node) *Break { return &Break{ FreeFloating: nil, Expr: Expr, } }
go
{ "resource": "" }
q6010
NewGreaterOrEqual
train
func NewGreaterOrEqual(Variable node.Node, Expression node.Node) *GreaterOrEqual { return &GreaterOrEqual{ FreeFloating: nil, Left: Variable, Right: Expression, } }
go
{ "resource": "" }
q6011
NewInt
train
func NewInt(Expr node.Node) *Int { return &Int{ FreeFloating: nil, Expr: Expr, } }
go
{ "resource": "" }
q6012
NewClosure
train
func NewClosure(Params []node.Node, ClosureUse *ClosureUse, ReturnType node.Node, Stmts []node.Node, Static bool, ReturnsRef bool, PhpDocComment string) *Closure { return &Closure{ FreeFloating: nil, ReturnsRef: ReturnsRef, Static: Static, PhpDocComment: PhpDocComment, Params: Params, ClosureUse: ClosureUse, ReturnType: ReturnType, Stmts: Stmts, } }
go
{ "resource": "" }
q6013
Attributes
train
func (n *Closure) Attributes() map[string]interface{} { return map[string]interface{}{ "ReturnsRef": n.ReturnsRef, "Static": n.Static, "PhpDocComment": n.PhpDocComment, } }
go
{ "resource": "" }
q6014
NewUse
train
func NewUse(UseType node.Node, use node.Node, Alias node.Node) *Use { return &Use{ FreeFloating: nil, UseType: UseType, Use: use, Alias: Alias, } }
go
{ "resource": "" }
q6015
NewPrint
train
func NewPrint(Expression node.Node) *Print { return &Print{ FreeFloating: nil, Expr: Expression, } }
go
{ "resource": "" }
q6016
NewArgument
train
func NewArgument(Expression Node, Variadic bool, IsReference bool) *Argument { return &Argument{ FreeFloating: nil, Variadic: Variadic, IsReference: IsReference, Expr: Expression, } }
go
{ "resource": "" }
q6017
NewIncludeOnce
train
func NewIncludeOnce(Expression node.Node) *IncludeOnce { return &IncludeOnce{ FreeFloating: nil, Expr: Expression, } }
go
{ "resource": "" }
q6018
NewStatic
train
func NewStatic(Vars []node.Node) *Static { return &Static{ FreeFloating: nil, Vars: Vars, } }
go
{ "resource": "" }
q6019
NewYield
train
func NewYield(Key node.Node, Value node.Node) *Yield { return &Yield{ FreeFloating: nil, Key: Key, Value: Value, } }
go
{ "resource": "" }
q6020
NewShiftLeft
train
func NewShiftLeft(Variable node.Node, Expression node.Node) *ShiftLeft { return &ShiftLeft{ FreeFloating: nil, Left: Variable, Right: Expression, } }
go
{ "resource": "" }
q6021
NewElse
train
func NewElse(Stmt node.Node) *Else { return &Else{ FreeFloating: nil, Stmt: Stmt, } }
go
{ "resource": "" }
q6022
NewShellExec
train
func NewShellExec(Parts []node.Node) *ShellExec { return &ShellExec{ FreeFloating: nil, Parts: Parts, } }
go
{ "resource": "" }
q6023
NewPreInc
train
func NewPreInc(Variable node.Node) *PreInc { return &PreInc{ FreeFloating: nil, Variable: Variable, } }
go
{ "resource": "" }
q6024
NewPlus
train
func NewPlus(Variable node.Node, Expression node.Node) *Plus { return &Plus{ FreeFloating: nil, Left: Variable, Right: Expression, } }
go
{ "resource": "" }
q6025
NewBool
train
func NewBool(Expr node.Node) *Bool { return &Bool{ FreeFloating: nil, Expr: Expr, } }
go
{ "resource": "" }
q6026
AddNamespacedName
train
func (nsr *NamespaceResolver) AddNamespacedName(nn node.Node, nodeName string) { if nsr.Namespace.Namespace == "" { nsr.ResolvedNames[nn] = nodeName } else { nsr.ResolvedNames[nn] = nsr.Namespace.Namespace + "\\" + nodeName } }
go
{ "resource": "" }
q6027
ResolveName
train
func (nsr *NamespaceResolver) ResolveName(nameNode node.Node, aliasType string) { resolved, err := nsr.Namespace.ResolveName(nameNode, aliasType) if err == nil { nsr.ResolvedNames[nameNode] = resolved } }
go
{ "resource": "" }
q6028
ResolveType
train
func (nsr *NamespaceResolver) ResolveType(n node.Node) { switch nn := n.(type) { case *node.Nullable: nsr.ResolveType(nn.Expr) case name.Names: nsr.ResolveName(n, "") } }
go
{ "resource": "" }
q6029
ResolveName
train
func (ns *Namespace) ResolveName(nameNode node.Node, aliasType string) (string, error) { switch n := nameNode.(type) { case *name.FullyQualified: // Fully qualifid name is already resolved return concatNameParts(n.Parts), nil case *name.Relative: if ns.Namespace == "" { return concatNameParts(n.Parts), nil } return ns.Namespace + "\\" + concatNameParts(n.Parts), nil case *name.Name: if aliasType == "const" && len(n.Parts) == 1 { part := strings.ToLower(n.Parts[0].(*name.NamePart).Value) if part == "true" || part == "false" || part == "null" { return part, nil } } if aliasType == "" && len(n.Parts) == 1 { part := strings.ToLower(n.Parts[0].(*name.NamePart).Value) switch part { case "self": fallthrough case "static": fallthrough case "parent": fallthrough case "int": fallthrough case "float": fallthrough case "bool": fallthrough case "string": fallthrough case "void": fallthrough case "iterable": fallthrough case "object": return part, nil } } aliasName, err := ns.ResolveAlias(nameNode, aliasType) if err != nil { // resolve as relative name if alias not found if ns.Namespace == "" { return concatNameParts(n.Parts), nil } return ns.Namespace + "\\" + concatNameParts(n.Parts), nil } if len(n.Parts) > 1 { // if name qualified, replace first part by alias return aliasName + "\\" + concatNameParts(n.Parts[1:]), nil } return aliasName, nil } return "", errors.New("must be instance of name.Names") }
go
{ "resource": "" }
q6030
ResolveAlias
train
func (ns *Namespace) ResolveAlias(nameNode node.Node, aliasType string) (string, error) { aliasType = strings.ToLower(aliasType) nameParts := nameNode.(*name.Name).Parts firstPartStr := nameParts[0].(*name.NamePart).Value if len(nameParts) > 1 { // resolve aliases for qualified names, always against class alias type firstPartStr = strings.ToLower(firstPartStr) aliasType = "" } else { if aliasType != "const" { // constants are case-sensitive firstPartStr = strings.ToLower(firstPartStr) } } aliasName, ok := ns.Aliases[aliasType][firstPartStr] if !ok { return "", errors.New("Not found") } return aliasName, nil }
go
{ "resource": "" }
q6031
NewTraitUseAlias
train
func NewTraitUseAlias(Ref node.Node, Modifier node.Node, Alias node.Node) *TraitUseAlias { return &TraitUseAlias{ FreeFloating: nil, Ref: Ref, Modifier: Modifier, Alias: Alias, } }
go
{ "resource": "" }
q6032
NewEqual
train
func NewEqual(Variable node.Node, Expression node.Node) *Equal { return &Equal{ FreeFloating: nil, Left: Variable, Right: Expression, } }
go
{ "resource": "" }
q6033
NewClone
train
func NewClone(Expression node.Node) *Clone { return &Clone{ FreeFloating: nil, Expr: Expression, } }
go
{ "resource": "" }
q6034
NewMul
train
func NewMul(Variable node.Node, Expression node.Node) *Mul { return &Mul{ FreeFloating: nil, Left: Variable, Right: Expression, } }
go
{ "resource": "" }
q6035
NewEval
train
func NewEval(Expression node.Node) *Eval { return &Eval{ FreeFloating: nil, Expr: Expression, } }
go
{ "resource": "" }
q6036
NewCaseList
train
func NewCaseList(Cases []node.Node) *CaseList { return &CaseList{ FreeFloating: nil, Cases: Cases, } }
go
{ "resource": "" }
q6037
Rune2Class
train
func Rune2Class(r rune) int { if r >= 0 && r < 0x80 { // Keep ASCII as it is. return int(r) } if unicode.IsLetter(r) { return classUnicodeLeter } if unicode.IsDigit(r) { return classUnicodeDigit } if unicode.IsGraphic(r) { return classUnicodeGraphic } if r == lex.RuneEOF { return int(r) } return classOther }
go
{ "resource": "" }
q6038
NewLexer
train
func NewLexer(src io.Reader, fName string) *Lexer { file := t.NewFileSet().AddFile(fName, -1, 1<<31-3) lx, err := lex.New(file, bufio.NewReader(src), lex.RuneClass(Rune2Class)) if err != nil { panic(err) } return &Lexer{ Lexer: lx, StateStack: []int{0}, PhpDocComment: "", FreeFloating: nil, heredocLabel: "", tokenBytesBuf: &bytes.Buffer{}, TokenPool: &TokenPool{}, } }
go
{ "resource": "" }
q6039
addFreeFloating
train
func (l *Lexer) addFreeFloating(t freefloating.StringType, chars []lex.Char) { if !l.WithFreeFloating { return } firstChar := chars[0] lastChar := chars[len(chars)-1] pos := position.NewPosition( l.File.Line(firstChar.Pos()), l.File.Line(lastChar.Pos()), int(firstChar.Pos()), int(lastChar.Pos()), ) l.FreeFloating = append(l.FreeFloating, freefloating.String{ StringType: t, Value: l.tokenString(chars), Position: pos, }) }
go
{ "resource": "" }
q6040
NewList
train
func NewList(Items []node.Node) *List { return &List{ FreeFloating: nil, Items: Items, } }
go
{ "resource": "" }
q6041
NewBitwiseAnd
train
func NewBitwiseAnd(Variable node.Node, Expression node.Node) *BitwiseAnd { return &BitwiseAnd{ FreeFloating: nil, Left: Variable, Right: Expression, } }
go
{ "resource": "" }
q6042
NewTernary
train
func NewTernary(Condition node.Node, IfTrue node.Node, IfFalse node.Node) *Ternary { return &Ternary{ FreeFloating: nil, Condition: Condition, IfTrue: IfTrue, IfFalse: IfFalse, } }
go
{ "resource": "" }
q6043
NewPrettyPrinter
train
func NewPrettyPrinter(w io.Writer, indentStr string) *PrettyPrinter { return &PrettyPrinter{ w: w, indentStr: indentStr, indentDepth: 0, } }
go
{ "resource": "" }
q6044
NewNamespace
train
func NewNamespace(NamespaceName node.Node, Stmts []node.Node) *Namespace { return &Namespace{ FreeFloating: nil, NamespaceName: NamespaceName, Stmts: Stmts, } }
go
{ "resource": "" }
q6045
NewRequire
train
func NewRequire(Expression node.Node) *Require { return &Require{ FreeFloating: nil, Expr: Expression, } }
go
{ "resource": "" }
q6046
NewForeach
train
func NewForeach(Expr node.Node, Key node.Node, Variable node.Node, Stmt node.Node) *Foreach { return &Foreach{ FreeFloating: nil, Expr: Expr, Key: Key, Variable: Variable, Stmt: Stmt, } }
go
{ "resource": "" }
q6047
NewCoalesce
train
func NewCoalesce(Variable node.Node, Expression node.Node) *Coalesce { return &Coalesce{ FreeFloating: nil, Left: Variable, Right: Expression, } }
go
{ "resource": "" }
q6048
NewSmaller
train
func NewSmaller(Variable node.Node, Expression node.Node) *Smaller { return &Smaller{ FreeFloating: nil, Left: Variable, Right: Expression, } }
go
{ "resource": "" }
q6049
NewStmtList
train
func NewStmtList(Stmts []node.Node) *StmtList { return &StmtList{ FreeFloating: nil, Stmts: Stmts, } }
go
{ "resource": "" }
q6050
NewConcat
train
func NewConcat(Variable node.Node, Expression node.Node) *Concat { return &Concat{ FreeFloating: nil, Left: Variable, Right: Expression, } }
go
{ "resource": "" }
q6051
NewAltSwitch
train
func NewAltSwitch(Cond node.Node, CaseList *CaseList) *AltSwitch { return &AltSwitch{ FreeFloating: nil, Cond: Cond, CaseList: CaseList, } }
go
{ "resource": "" }
q6052
NewElseIf
train
func NewElseIf(Cond node.Node, Stmt node.Node) *ElseIf { return &ElseIf{ FreeFloating: nil, Cond: Cond, Stmt: Stmt, } }
go
{ "resource": "" }
q6053
NewDeclare
train
func NewDeclare(Consts []node.Node, Stmt node.Node, alt bool) *Declare { return &Declare{ FreeFloating: nil, Consts: Consts, Stmt: Stmt, Alt: alt, } }
go
{ "resource": "" }
q6054
NewMinus
train
func NewMinus(Variable node.Node, Expression node.Node) *Minus { return &Minus{ FreeFloating: nil, Left: Variable, Right: Expression, } }
go
{ "resource": "" }
q6055
NewRelative
train
func NewRelative(Parts []node.Node) *Relative { return &Relative{ FreeFloating: nil, Parts: Parts, } }
go
{ "resource": "" }
q6056
NewContinue
train
func NewContinue(Expr node.Node) *Continue { return &Continue{ FreeFloating: nil, Expr: Expr, } }
go
{ "resource": "" }
q6057
NewArrayDimFetch
train
func NewArrayDimFetch(Variable node.Node, Dim node.Node) *ArrayDimFetch { return &ArrayDimFetch{ FreeFloating: nil, Variable: Variable, Dim: Dim, } }
go
{ "resource": "" }
q6058
NewGlobal
train
func NewGlobal(Vars []node.Node) *Global { return &Global{ FreeFloating: nil, Vars: Vars, } }
go
{ "resource": "" }
q6059
NewPosition
train
func NewPosition(StartLine int, EndLine int, StartPos int, EndPos int) *Position { return &Position{ StartLine: StartLine, EndLine: EndLine, StartPos: StartPos, EndPos: EndPos, } }
go
{ "resource": "" }
q6060
NewPostInc
train
func NewPostInc(Variable node.Node) *PostInc { return &PostInc{ FreeFloating: nil, Variable: Variable, } }
go
{ "resource": "" }
q6061
NewAltForeach
train
func NewAltForeach(Expr node.Node, Key node.Node, Variable node.Node, Stmt node.Node) *AltForeach { return &AltForeach{ FreeFloating: nil, Expr: Expr, Key: Key, Variable: Variable, Stmt: Stmt, } }
go
{ "resource": "" }
q6062
NewGoto
train
func NewGoto(Label node.Node) *Goto { return &Goto{ FreeFloating: nil, Label: Label, } }
go
{ "resource": "" }
q6063
Invert
train
func Invert() Filter { return &colorchanFilter{ fn: func(x float32) float32 { return 1 - x }, lut: false, } }
go
{ "resource": "" }
q6064
ColorspaceSRGBToLinear
train
func ColorspaceSRGBToLinear() Filter { return &colorchanFilter{ fn: func(x float32) float32 { if x <= 0.04045 { return x / 12.92 } return float32(math.Pow(float64((x+0.055)/1.055), 2.4)) }, lut: true, } }
go
{ "resource": "" }
q6065
Gamma
train
func Gamma(gamma float32) Filter { e := 1 / maxf32(gamma, 1.0e-5) return &colorchanFilter{ fn: func(x float32) float32 { return powf32(x, e) }, lut: true, } }
go
{ "resource": "" }
q6066
Grayscale
train
func Grayscale() Filter { return &colorFilter{ fn: func(px pixel) pixel { y := 0.299*px.r + 0.587*px.g + 0.114*px.b return pixel{y, y, y, px.a} }, } }
go
{ "resource": "" }
q6067
Add
train
func (g *GIFT) Add(filters ...Filter) { g.Filters = append(g.Filters, filters...) }
go
{ "resource": "" }
q6068
Draw
train
func (g *GIFT) Draw(dst draw.Image, src image.Image) { if len(g.Filters) == 0 { copyimage(dst, src, &g.Options) return } first, last := 0, len(g.Filters)-1 var tmpIn image.Image var tmpOut draw.Image for i, f := range g.Filters { if i == first { tmpIn = src } else { tmpIn = tmpOut } if i == last { tmpOut = dst } else { tmpOut = createTempImage(f.Bounds(tmpIn.Bounds())) } f.Draw(tmpOut, tmpIn, &g.Options) } }
go
{ "resource": "" }
q6069
prepareConvolutionWeights1d
train
func prepareConvolutionWeights1d(kernel []float32) (int, []uweight) { size := len(kernel) if size%2 == 0 { size-- } if size < 1 { return 0, []uweight{} } center := size / 2 weights := []uweight{} for i := 0; i < size; i++ { w := float32(0) if i < len(kernel) { w = kernel[i] } if w != 0 { weights = append(weights, uweight{i - center, w}) } } return size, weights }
go
{ "resource": "" }
q6070
convolveLine
train
func convolveLine(dstBuf []pixel, srcBuf []pixel, weights []uweight) { max := len(srcBuf) - 1 if max < 0 { return } for dstu := 0; dstu < len(srcBuf); dstu++ { var r, g, b, a float32 for _, w := range weights { k := dstu + w.u if k < 0 { k = 0 } else if k > max { k = max } c := srcBuf[k] wa := c.a * w.weight r += c.r * wa g += c.g * wa b += c.b * wa a += wa } if a != 0 { r /= a g /= a b /= a } dstBuf[dstu] = pixel{r, g, b, a} } }
go
{ "resource": "" }
q6071
convolve1dv
train
func convolve1dv(dst draw.Image, src image.Image, kernel []float32, options *Options) { srcb := src.Bounds() dstb := dst.Bounds() if srcb.Dx() <= 0 || srcb.Dy() <= 0 { return } if kernel == nil || len(kernel) < 1 { copyimage(dst, src, options) return } _, weights := prepareConvolutionWeights1d(kernel) pixGetter := newPixelGetter(src) pixSetter := newPixelSetter(dst) parallelize(options.Parallelization, srcb.Min.X, srcb.Max.X, func(start, stop int) { srcBuf := make([]pixel, srcb.Dy()) dstBuf := make([]pixel, srcb.Dy()) for x := start; x < stop; x++ { pixGetter.getPixelColumn(x, &srcBuf) convolveLine(dstBuf, srcBuf, weights) pixSetter.setPixelColumn(dstb.Min.X+x-srcb.Min.X, dstBuf) } }) }
go
{ "resource": "" }
q6072
convolve1dh
train
func convolve1dh(dst draw.Image, src image.Image, kernel []float32, options *Options) { srcb := src.Bounds() dstb := dst.Bounds() if srcb.Dx() <= 0 || srcb.Dy() <= 0 { return } if kernel == nil || len(kernel) < 1 { copyimage(dst, src, options) return } _, weights := prepareConvolutionWeights1d(kernel) pixGetter := newPixelGetter(src) pixSetter := newPixelSetter(dst) parallelize(options.Parallelization, srcb.Min.Y, srcb.Max.Y, func(start, stop int) { srcBuf := make([]pixel, srcb.Dx()) dstBuf := make([]pixel, srcb.Dx()) for y := start; y < stop; y++ { pixGetter.getPixelRow(y, &srcBuf) convolveLine(dstBuf, srcBuf, weights) pixSetter.setPixelRow(dstb.Min.Y+y-srcb.Min.Y, dstBuf) } }) }
go
{ "resource": "" }
q6073
CropToSize
train
func CropToSize(width, height int, anchor Anchor) Filter { return &cropToSizeFilter{ w: width, h: height, anchor: anchor, } }
go
{ "resource": "" }
q6074
parallelize
train
func parallelize(enabled bool, start, stop int, fn func(start, stop int)) { procs := 1 if enabled { procs = runtime.GOMAXPROCS(0) } var wg sync.WaitGroup splitRange(start, stop, procs, func(pstart, pstop int) { wg.Add(1) go func() { defer wg.Done() fn(pstart, pstop) }() }) wg.Wait() }
go
{ "resource": "" }
q6075
splitRange
train
func splitRange(start, stop, n int, fn func(pstart, pstop int)) { count := stop - start if count < 1 { return } if n < 1 { n = 1 } if n > count { n = count } div := count / n mod := count % n for i := 0; i < n; i++ { fn( start+i*div+minint(i, mod), start+(i+1)*div+minint(i+1, mod), ) } }
go
{ "resource": "" }
q6076
isOpaque
train
func isOpaque(img image.Image) bool { type opaquer interface { Opaque() bool } if o, ok := img.(opaquer); ok { return o.Opaque() } return false }
go
{ "resource": "" }
q6077
genDisk
train
func genDisk(ksize int) []float32 { if ksize%2 == 0 { ksize-- } if ksize < 1 { return []float32{} } disk := make([]float32, ksize*ksize) kcenter := ksize / 2 for i := 0; i < ksize; i++ { for j := 0; j < ksize; j++ { x := kcenter - i y := kcenter - j r := math.Sqrt(float64(x*x + y*y)) if r <= float64(ksize/2) { disk[j*ksize+i] = 1 } } } return disk }
go
{ "resource": "" }
q6078
Set
train
func Set(ptr interface{}) error { if reflect.TypeOf(ptr).Kind() != reflect.Ptr { return errInvalidType } v := reflect.ValueOf(ptr).Elem() t := v.Type() if t.Kind() != reflect.Struct { return errInvalidType } for i := 0; i < t.NumField(); i++ { if defaultVal := t.Field(i).Tag.Get(fieldName); defaultVal != "-" { if err := setField(v.Field(i), defaultVal); err != nil { return err } } } return nil }
go
{ "resource": "" }
q6079
SetLogOutput
train
func SetLogOutput(w io.Writer) { logger = log.New(w, "http: ", log.LstdFlags|log.Lmicroseconds) }
go
{ "resource": "" }
q6080
SetCacheMaxSize
train
func SetCacheMaxSize(sizeInMB int64) { if sizeInMB > 0 { iconCache = groupcache.NewGroup("icons", sizeInMB<<20, groupcache.GetterFunc(generatorFunc)) } else { iconCache = nil } }
go
{ "resource": "" }
q6081
ParseSizeRange
train
func ParseSizeRange(s string) (*SizeRange, error) { parts := strings.SplitN(s, "..", 3) switch len(parts) { case 1: size, ok := parseSize(parts[0]) if !ok { return nil, errBadSize } return &SizeRange{size, size, MaxIconSize}, nil case 3: n1, ok1 := parseSize(parts[0]) n2, ok2 := parseSize(parts[1]) n3, ok3 := parseSize(parts[2]) if !ok1 || !ok2 || !ok3 { return nil, errBadSize } if !((n1 <= n2) && (n2 <= n3)) { return nil, errBadSize } return &SizeRange{n1, n2, n3}, nil } return nil, errBadSize }
go
{ "resource": "" }
q6082
FindMainColor
train
func (cf *ColorFinder) FindMainColor(img image.Image) (color.RGBA, error) { cf.img = img colorMap := cf.buildColorMap() sRGB := cf.findMainColor(colorMap, 6, nil) sRGB = cf.findMainColor(colorMap, 4, &sRGB) sRGB = cf.findMainColor(colorMap, 2, &sRGB) sRGB = cf.findMainColor(colorMap, 0, &sRGB) return sRGB.rgb, nil }
go
{ "resource": "" }
q6083
ParseIco
train
func ParseIco(r io.Reader) (*icondir, error) { dir := icondir{} var err error err = binary.Read(r, binary.LittleEndian, &dir.Reserved) if err != nil { return nil, err } err = binary.Read(r, binary.LittleEndian, &dir.Type) if err != nil { return nil, err } err = binary.Read(r, binary.LittleEndian, &dir.Count) if err != nil { return nil, err } for i := uint16(0); i < dir.Count; i++ { entry := icondirEntry{} e := parseIcondirEntry(r, &entry) if e != nil { return nil, e } dir.Entries = append(dir.Entries, entry) } return &dir, err }
go
{ "resource": "" }
q6084
DecodeConfig
train
func DecodeConfig(r io.Reader) (image.Config, error) { dir, err := ParseIco(r) if err != nil { return image.Config{}, err } best := dir.FindBestIcon() if best == nil { return image.Config{}, errInvalid } return image.Config{Width: best.width(), Height: best.height()}, nil }
go
{ "resource": "" }
q6085
Decode
train
func Decode(r io.Reader) (image.Image, error) { icoBytes, err := ioutil.ReadAll(r) if err != nil { return nil, err } r = bytes.NewReader(icoBytes) dir, err := ParseIco(r) if err != nil { return nil, errInvalid } best := dir.FindBestIcon() if best == nil { return nil, errInvalid } return parseImage(best, icoBytes) }
go
{ "resource": "" }
q6086
RandSource
train
func (f *Fuzzer) RandSource(s rand.Source) *Fuzzer { f.r = rand.New(s) return f }
go
{ "resource": "" }
q6087
NumElements
train
func (f *Fuzzer) NumElements(atLeast, atMost int) *Fuzzer { if atLeast > atMost { panic("atLeast must be <= atMost") } if atLeast < 0 { panic("atLeast must be >= 0") } f.minElements = atLeast f.maxElements = atMost return f }
go
{ "resource": "" }
q6088
MaxDepth
train
func (f *Fuzzer) MaxDepth(d int) *Fuzzer { f.maxDepth = d return f }
go
{ "resource": "" }
q6089
tryCustom
train
func (fc *fuzzerContext) tryCustom(v reflect.Value) bool { // First: see if we have a fuzz function for it. doCustom, ok := fc.fuzzer.fuzzFuncs[v.Type()] if !ok { // Second: see if it can fuzz itself. if v.CanInterface() { intf := v.Interface() if fuzzable, ok := intf.(Interface); ok { fuzzable.Fuzz(Continue{fc: fc, Rand: fc.fuzzer.r}) return true } } // Finally: see if there is a default fuzz function. doCustom, ok = fc.fuzzer.defaultFuzzFuncs[v.Type()] if !ok { return false } } switch v.Kind() { case reflect.Ptr: if v.IsNil() { if !v.CanSet() { return false } v.Set(reflect.New(v.Type().Elem())) } case reflect.Map: if v.IsNil() { if !v.CanSet() { return false } v.Set(reflect.MakeMap(v.Type())) } default: return false } doCustom.Call([]reflect.Value{v, reflect.ValueOf(Continue{ fc: fc, Rand: fc.fuzzer.r, })}) return true }
go
{ "resource": "" }
q6090
Fuzz
train
func (c Continue) Fuzz(obj interface{}) { v := reflect.ValueOf(obj) if v.Kind() != reflect.Ptr { panic("needed ptr!") } v = v.Elem() c.fc.doFuzz(v, 0) }
go
{ "resource": "" }
q6091
choose
train
func (r *charRange) choose(rand *rand.Rand) rune { count := int64(r.last - r.first) return r.first + rune(rand.Int63n(count)) }
go
{ "resource": "" }
q6092
randUint64
train
func randUint64(r *rand.Rand) uint64 { return uint64(r.Uint32())<<32 | uint64(r.Uint32()) }
go
{ "resource": "" }
q6093
Update
train
func (c *cache) Update(req *pb.FindFullHashesRequest, resp *pb.FindFullHashesResponse) { c.Lock() defer c.Unlock() now := c.now() if c.pttls == nil { c.pttls = make(map[hashPrefix]map[ThreatDescriptor]time.Time) c.nttls = make(map[hashPrefix]time.Time) } // Insert each threat match into the cache by full hash. for _, tm := range resp.GetMatches() { fullHash := hashPrefix(tm.GetThreat().Hash) if !fullHash.IsFull() { continue } if c.pttls[fullHash] == nil { c.pttls[fullHash] = make(map[ThreatDescriptor]time.Time) } var dur time.Duration if tmCacheDur := tm.GetCacheDuration(); tmCacheDur != nil { dur = time.Duration(tm.GetCacheDuration().Seconds) * time.Second } else { dur = 0 } td := ThreatDescriptor{ ThreatType: ThreatType(tm.ThreatType), PlatformType: PlatformType(tm.PlatformType), ThreatEntryType: ThreatEntryType(tm.ThreatEntryType), } c.pttls[fullHash][td] = now.Add(dur) } // Insert negative TTLs for partial hashes. if resp.GetNegativeCacheDuration() != nil { dur := time.Duration(resp.GetNegativeCacheDuration().Seconds) * time.Second nttl := now.Add(dur) for _, te := range req.GetThreatInfo().GetThreatEntries() { partialHash := hashPrefix(te.Hash) c.nttls[partialHash] = nttl } } }
go
{ "resource": "" }
q6094
Lookup
train
func (c *cache) Lookup(hash hashPrefix) (map[ThreatDescriptor]bool, cacheResult) { if !hash.IsFull() { panic("hash is not full") } c.Lock() defer c.Unlock() now := c.now() // Check all entries to see if there *is* a threat. threats := make(map[ThreatDescriptor]bool) threatTTLs := c.pttls[hash] for td, pttl := range threatTTLs { if pttl.After(now) { threats[td] = true } else { // The PTTL has expired, we should ask the server what's going on. return nil, cacheMiss } } if len(threats) > 0 { // So long as there are valid threats, we report them. The positive TTL // takes precedence over the negative TTL at the partial hash level. return threats, positiveCacheHit } // Check the negative TTLs to see if there are *no* threats. for i := minHashPrefixLength; i <= maxHashPrefixLength; i++ { if nttl, ok := c.nttls[hash[:i]]; ok { if nttl.After(now) { return nil, negativeCacheHit } } } // The cache has no information; it is a *possible* threat. return nil, cacheMiss }
go
{ "resource": "" }
q6095
Purge
train
func (c *cache) Purge() { c.Lock() defer c.Unlock() now := c.now() // Nuke all threat entries based on their positive TTL. for fullHash, threatTTLs := range c.pttls { for td, pttl := range threatTTLs { if now.After(pttl) { del := true for i := minHashPrefixLength; i <= maxHashPrefixLength; i++ { if nttl, ok := c.nttls[fullHash[:i]]; ok { if nttl.After(pttl) { del = false break } } } if del { delete(threatTTLs, td) } } } if len(threatTTLs) == 0 { delete(c.pttls, fullHash) } } // Nuke all partial hashes based on their negative TTL. for partialHash, nttl := range c.nttls { if now.After(nttl) { delete(c.nttls, partialHash) } } }
go
{ "resource": "" }
q6096
Init
train
func (db *database) Init(config *Config, logger *log.Logger) bool { db.mu.Lock() defer db.mu.Unlock() db.setError(errors.New("not intialized")) db.config = config db.log = logger if db.config.DBPath == "" { db.log.Printf("no database file specified") db.setError(errors.New("no database loaded")) return false } dbf, err := loadDatabase(db.config.DBPath) if err != nil { db.log.Printf("load failure: %v", err) db.setError(err) return false } // Validate that the database threat list stored on disk is not too stale. if db.isStale(dbf.Time) { db.log.Printf("database loaded is stale") db.ml.Lock() defer db.ml.Unlock() db.setStale() return false } // Validate that the database threat list stored on disk is at least a // superset of the specified configuration. tfuNew := make(threatsForUpdate) for _, td := range db.config.ThreatLists { if row, ok := dbf.Table[td]; ok { tfuNew[td] = row } else { db.log.Printf("database configuration mismatch, missing %v", td) db.setError(errors.New("database configuration mismatch")) return false } } db.tfu = tfuNew db.generateThreatsForLookups(dbf.Time) return true }
go
{ "resource": "" }
q6097
Status
train
func (db *database) Status() error { db.ml.RLock() defer db.ml.RUnlock() if db.err != nil { return db.err } if db.isStale(db.last) { db.setStale() return db.err } return nil }
go
{ "resource": "" }
q6098
UpdateLag
train
func (db *database) UpdateLag() time.Duration { lag := db.SinceLastUpdate() if lag < db.config.UpdatePeriod { return 0 } return lag - db.config.UpdatePeriod }
go
{ "resource": "" }
q6099
SinceLastUpdate
train
func (db *database) SinceLastUpdate() time.Duration { db.ml.RLock() defer db.ml.RUnlock() return db.config.now().Sub(db.last) }
go
{ "resource": "" }