util

package
v0.0.0-...-9853328 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Aug 22, 2023 License: MIT Imports: 38 Imported by: 0

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Index

Constants

View Source 
const (
	UTF8    = Charset("UTF-8")
	GB18030 = Charset("GB18030")
)
View Source 
const (
	BigEndian    = true
	LittleEndian = false

	ByteSize    = 1
	BoolSize    = 1
	Int16Size   = 2 * ByteSize
	Int32Size   = 4 * ByteSize
	Int64Size   = 8 * ByteSize
	Float32Size = 4 * ByteSize
	Float64Size = 8 * ByteSize

	ByteType = iota
	BoolType
	IntType
	Int16Type
	Int32Type
	Int64Type
	Float32Type
	Float64Type
	StringType
)
View Source 
const (
	NONE = iota
	UPPER
	DOWN
)

Variables

View Source 
var (
	ErrArgsTooLittle = errors.New("arguments is too little")

	ErrInvalidModuleName = errors.New("invalid module name")

	ErrDumplicateJobName = errors.New("dumplicate job name")

	ErrCreateSession  = errors.New("fail to create session")
	ErrExecuteCommand = errors.New("fail to execute command")
	ErrAllocTerm      = errors.New("fail to allocate term")
	ErrAllocShell     = errors.New("fail to allocate shell")

	// net
	ErrInvalidPort      = errors.New("invalid port")
	ErrInvalidURL       = errors.New("invalid url")
	ErrInvalidMethod    = errors.New("invalid method")
	ErrBadCreateRequest = errors.New("error createing request")
	ErrBadSendRequest   = errors.New("error sending request")

	ErrNoSupportPlatform = errors.New("not support the platform")
	ErrNoSupportHardward = errors.New("not support the hardward")

	ErrInvalidPath = errors.New("invalid path")

	ErrBadCreateDir  = errors.New("fail to create dir")
	ErrBadCreateFile = errors.New("fail to create file")

	ErrInvalidFile  = errors.New("invalid file")
	ErrFileNotExist = errors.New("file not exist")
	ErrPathNotFound = errors.New("path not found")
	ErrFileExist    = errors.New("file exist")

	// yock plugin
	ErrPluginExist = errors.New("plugin exist already")
	ErrDomainExist = errors.New("domain exist already")
	ErrAliasExist  = errors.New("alias exist already")

	ErrUserNotFound = errors.New("user not found")

	ErrPermDenied = errors.New("permission denied")

	ErrOutRange = errors.New("out of range")

	ErrGeneral = errors.New("err happen")
)
View Source 
var (
	JsonTrue  = NewJsonBool(true)
	JsonFalse = NewJsonBool(false)
	JsonNil   = NewJsonNull()
)
View Source 
var (
	// YockBuild has two values, dev and release,
	// which correspond to two different modes.
	//
	// The value YOCK_PATH under dev is taken from main.go under the /ctl.
	// If it is in release mode, the actual location of the executable file shall prevail.
	//
	// This value will be changed by -ldflag at compile time. Details to see /auto/build.lua.
	YockBuild   = "dev"
	YockVersion = ""
)
View Source 
var (
	// WorkSpace is the .yock path in the UserHome
	//
	// You can think of it as yock's global workspace
	// for storing user's information.
	WorkSpace  string
	PluginPath string
	DriverPath string
	// executable file path
	YockPath string
)

Functions

func BytesToInt32 

func BytesToInt32(buf []byte) int32

func BytesToInt64 

func BytesToInt64(buf []byte) int64

func CPU 

func CPU() *psutilCPU

func ConvertByte2String 

func ConvertByte2String(b []byte, charset Charset) string

func DecodeAESWithKey 

func DecodeAESWithKey(key, str string) string

func Disk 

func Disk() *psutilDisk

func EncodeAESWithKey 

func EncodeAESWithKey(key, str string) string

func EqualAES 

func EqualAES(key, raw, hash string) bool

func Exec 

func Exec(arg ...string) ([]byte, error)

Exec automatically fit in os enviroment to execute command. windows 10+ -> powershell, others -> cmd; linux, darwin -> /bin/bash

func ExecStr 

func ExecStr(args string) ([]byte, error)

ExecStr automatically split string to string arrary, then call Exec to execute

func Filename 

func Filename(fullpath string) string

Filename returns the last element name of fullpath.

func FmtTimestamp 

func FmtTimestamp(ts int64) time.Time

FmtTimestamp return a time string whom format is 2006-01-02

func GetPkg 

func GetPkg(name string) template.FuncMap

func Host 

func Host() *psutilHost

func Int32ToBytes 

func Int32ToBytes(i int32) []byte

func Int64ToBytes 

func Int64ToBytes(i int64) []byte

func IsExist 

func IsExist(path string) bool

func IsURL 

func IsURL(urlStr string) bool

IsURL determine whether urlStr is a URL

func JsonStr 

func JsonStr(v JsonValue) string

JsonStr return json string according to JsonValue.

func MD5 

func MD5(str string) string

MD5 return the MD5 checksum of the data

func Mem 

func Mem() *psutilMem

func Mkdirs 

func Mkdirs(path string) error

Mkdirs recurse to create path

func Net 

func Net() *psutilNet

func NowTimestamp 

func NowTimestamp() int64

NowTimestamp returm current timestamp

func NowTimestampByString 

func NowTimestampByString() string

NowTimestamp returm current timestamp string

func OpenConf 

func OpenConf(path string, opts ...viper.Option) (*viper.Viper, error)

OpenConfFromPath unmarshal file which located in disk to memory according to path

func PathIsExist 

func PathIsExist(path string) (bool, error)

PathIsExist judge whether path exist. If exist, return true.

func Pathf 

func Pathf(path string) string

Pathf to format path

@/abc => {WorkSpace}/abc (WorkSpace = UserHome + .yock)

~/abc => {YockPath}/abc (YockPath = executable file path)

func Prinf 

func Prinf(opt PrintfOpt, title []string, rows [][]string)

Printf represent title and rows with tidy

func RandString 

func RandString(n int) string

RandString return string of length n

func RandomPort 

func RandomPort() (int, error)

RandomPort return an available port with random.

func ReadLineFromFile 

func ReadLineFromFile(file string, filter func(string) string) ([]byte, error)

ReadStraemFromFile return data to be filter from specify file

func ReadLineFromString 

func ReadLineFromString(str string, filter func(string) string) ([]byte, error)

ReadStraemFromFile return data to be filter from string

func ReadStraemFromFile 

func ReadStraemFromFile(file string) ([]byte, error)

ReadStraemFromFile return total data from specify file

func SHA256 

func SHA256(str string) string

SHA256 return the SHA256 checksum of the data

func SafeBatchMkdirs 

func SafeBatchMkdirs(dirs []string) error

SafeBatchMkdirs recurse to create dirs when path isn't exist

func SafeMkdirs 

func SafeMkdirs(path string) error

SafeMkdirs recurse to create path when path isn't exist

func SafeWriteFile 

func SafeWriteFile(file string, data []byte) error

WriteFile write data or create file to write data according to file when file isn't exist

func SetBytesMode 

func SetBytesMode(_type bool)

func SimilarText 

func SimilarText(first, second string, percent *float64) int

Powered by github.com/syyongx/php2go

func Title 

func Title(str string) string

func WriteFile 

func WriteFile(file string, data []byte) error

WriteFile write data or create file to write data according to file

Types

type ByteWalk 

type ByteWalk struct {
	// contains filtered or unexported fields
}

func NewByteWalk 

func NewByteWalk(buf []byte) *ByteWalk

func (*ByteWalk) Buf 

func (bw *ByteWalk) Buf() []byte

func (*ByteWalk) Cursor 

func (bw *ByteWalk) Cursor() int

func (*ByteWalk) IsEnd 

func (bw *ByteWalk) IsEnd() bool

func (*ByteWalk) Next 

func (bw *ByteWalk) Next(step int) ([]byte, error)

func (*ByteWalk) Size 

func (bw *ByteWalk) Size() int

type BytesDecode 

type BytesDecode struct {
	// contains filtered or unexported fields
}

func NewBytesDecode 

func NewBytesDecode(_type bool) BytesDecode

func (BytesDecode) BytesToFloat32 

func (decode BytesDecode) BytesToFloat32(buf []byte) float32

func (BytesDecode) BytesToFloat64 

func (decode BytesDecode) BytesToFloat64(buf []byte) float64

func (BytesDecode) BytesToInt16 

func (decode BytesDecode) BytesToInt16(buf []byte) int16

func (BytesDecode) BytesToInt32 

func (decode BytesDecode) BytesToInt32(buf []byte) int32

func (BytesDecode) BytesToInt64 

func (decode BytesDecode) BytesToInt64(buf []byte) int64

type BytesEncode 

type BytesEncode struct {
	// contains filtered or unexported fields
}

func NewBytesEncode 

func NewBytesEncode(_type bool) BytesEncode

func (BytesEncode) Float32ToBytes 

func (encode BytesEncode) Float32ToBytes(f float32) []byte

func (BytesEncode) Float64ToBytes 

func (encode BytesEncode) Float64ToBytes(f float64) []byte

func (BytesEncode) Int16ToBytes 

func (encode BytesEncode) Int16ToBytes(i int16) []byte

func (BytesEncode) Int32ToBytes 

func (encode BytesEncode) Int32ToBytes(i int32) []byte

func (BytesEncode) Int64ToBytes 

func (encode BytesEncode) Int64ToBytes(i int64) []byte

type BytesTransfomer 

type BytesTransfomer struct {
	BytesEncode
	BytesDecode
}
var ByteTransfomer BytesTransfomer

func (BytesTransfomer) AutoToBytes 

func (transfomer BytesTransfomer) AutoToBytes(data any) []byte

func (BytesTransfomer) AutoToType 

func (transfomer BytesTransfomer) AutoToType(raw []byte, _type int) any

type CSSLiteralGenerator 

type CSSLiteralGenerator struct{}

func (CSSLiteralGenerator) Selectors 

func (CSSLiteralGenerator) Selectors(name string, selectors ...string) string

func (CSSLiteralGenerator) Style 

func (CSSLiteralGenerator) Style(name string, selectors ...string) string

type Charset 

type Charset string

type CheckedVersion 

type CheckedVersion struct {
	// contains filtered or unexported fields
}

func NewCheckedVersion 

func NewCheckedVersion(version string) *CheckedVersion

func (*CheckedVersion) Compare 

func (want *CheckedVersion) Compare(got *CheckedVersion) bool

type Comparable 

type Comparable interface {
	~int | ~int8 | ~int16 | ~int32 | ~int64 | ~uint | ~uint8 |
		~uint16 | ~uint32 | ~uint64 | ~uintptr | ~float32 | ~float64 | ~string
}

type Duration 

type Duration struct {
	// contains filtered or unexported fields
}

func ParseDuration 

func ParseDuration(s string) *Duration

func (*Duration) AddHour 

func (d *Duration) AddHour(i float64)

func (*Duration) AddMinute 

func (d *Duration) AddMinute(i float64)

func (*Duration) AddSecond 

func (d *Duration) AddSecond(i float64)

func (*Duration) Clone 

func (d *Duration) Clone() *Duration

func (*Duration) Format 

func (d *Duration) Format(sep string) string

func (*Duration) Hour 

func (d *Duration) Hour() int

func (*Duration) Interval 

func (d *Duration) Interval() string

func (*Duration) String 

func (d *Duration) String() string

func (*Duration) SubHour 

func (d *Duration) SubHour(i float64)

func (*Duration) SubMinute 

func (d *Duration) SubMinute(i float64)

func (*Duration) SubSecond 

func (d *Duration) SubSecond(i float64)

type JsonArray 

type JsonArray struct {
	// contains filtered or unexported fields
}

func NewJsonArray 

func NewJsonArray(v []JsonValue) *JsonArray

func (*JsonArray) Value 

func (obj *JsonArray) Value() string

type JsonBool 

type JsonBool struct {
	// contains filtered or unexported fields
}

func NewJsonBool 

func NewJsonBool(b bool) JsonBool

func (JsonBool) Value 

func (obj JsonBool) Value() string

type JsonNull 

type JsonNull struct{}

func NewJsonNull 

func NewJsonNull() JsonNull

func (JsonNull) Value 

func (JsonNull) Value() string

type JsonNumber 

type JsonNumber struct {
	// contains filtered or unexported fields
}

func NewJsonNumber 

func NewJsonNumber(v int64) JsonNumber

func (JsonNumber) Value 

func (obj JsonNumber) Value() string

type JsonObject 

type JsonObject struct {
	// contains filtered or unexported fields
}

func NewJsonObject 

func NewJsonObject(v map[string]JsonValue) *JsonObject

func (*JsonObject) Value 

func (obj *JsonObject) Value() string

type JsonString 

type JsonString struct {
	// contains filtered or unexported fields
}

func NewJsonString 

func NewJsonString(v string) JsonString

func (JsonString) Value 

func (obj JsonString) Value() string

type JsonValue 

type JsonValue interface {
	Value() string
}

JsonValue is an interface to abstract object of json type.

type LoadBalancer 

type LoadBalancer[T any] interface {
	// Next returns an element and its index.
	// If error, returns -1.
	Next() (T, int)
	// Up increases the probability of element to be specified
	Up(idx int)
	// Down decreases the probability of element to be specified
	Down(idx int)
	Put(e T)
	Del(idx int)
	Weights() []float64
}

type LuaLiteralGenerator 

type LuaLiteralGenerator struct {
	TemplateLiteralGenerator
}

func (LuaLiteralGenerator) Eq 

func (LuaLiteralGenerator) Eq(a, b string) string

func (LuaLiteralGenerator) GetVar 

func (LuaLiteralGenerator) GetVar(name string) string

func (LuaLiteralGenerator) IRange 

func (LuaLiteralGenerator) IRange(kv, t string) string

func (LuaLiteralGenerator) Range 

func (LuaLiteralGenerator) Range(kv, t string) string

func (LuaLiteralGenerator) SetVar 

func (LuaLiteralGenerator) SetVar(name, value string) string

func (LuaLiteralGenerator) StrJoin 

func (LuaLiteralGenerator) StrJoin(name string, value ...string) string

func (LuaLiteralGenerator) Var 

func (gen LuaLiteralGenerator) Var(name, value string) string

type Platform 

type Platform struct {
	OS     string
	Ver    string
	Arch   string
	Locale string
	Lang   string
}
var CurPlatform Platform

func (Platform) Exf 

func (pf Platform) Exf() string

func (Platform) Script 

func (pf Platform) Script() string

func (Platform) Zip 

func (pf Platform) Zip() string

type Plugin 

type Plugin interface {
	// Func return PluginFunc which is an abstract function to be exported dynamic library
	// according to funcName. You can use PluginFunc to call function from dynamic library.
	Func(string) (PluginFunc, error)
}

Plugin is an interface to abstract dynamic library (dll, dylib, so)

func NewPlugin 

func NewPlugin(path string) (Plugin, error)

type PluginFunc 

type PluginFunc interface {
	// Call return excuted result from dynamic library
	Call(...uintptr) (uintptr, error)
	// Addr returns the address of function pointer
	Addr() uintptr
}

PluginFunc is an interface to abstract function to be exported dynamic library

type PosixPlugin 

type PosixPlugin struct {
	// contains filtered or unexported fields
}

func (*PosixPlugin) Func 

func (pp *PosixPlugin) Func(name string) (PluginFunc, error)

Func return PluginFunc which is an abstract function to be exported dynamic library according to funcName. You can use PluginFunc to call function from dynamic library.

type PosixPluginFunc 

type PosixPluginFunc struct {
	// contains filtered or unexported fields
}

func (*PosixPluginFunc) Addr 

func (ppf *PosixPluginFunc) Addr() uintptr

Call return excuted result from dynamic library

func (*PosixPluginFunc) Call 

func (ppf *PosixPluginFunc) Call(params ...uintptr) (uintptr, error)

Call return excuted result from dynamic library

type PrintfOpt 

type PrintfOpt struct {
	MaxLen int
}

type SafeMap 

type SafeMap[T any] struct {
	// contains filtered or unexported fields
}

SafeMap is a simple alternative version of sync.map, designed specifically for SignalStream. Provides unlocked (unsafe) and locked (safe) to operate map to meet special scenarios to improve performance.

func NewSafeMap 

func NewSafeMap[T any]() *SafeMap[T]

func (*SafeMap[T]) Delete 

func (m *SafeMap[T]) Delete(k string)

func (*SafeMap[T]) Get 

func (m *SafeMap[T]) Get(k string) (T, bool)

Get directly obtains the value of the specified k without locking. If the value doesn't exist, the second parameter returns false, and vice versa.

func (*SafeMap[T]) Keys 

func (m *SafeMap[T]) Keys() (keys []string)

func (*SafeMap[T]) Range 

func (m *SafeMap[T]) Range(handle func(k string, v T) bool)

Range ranges map without locking. You can set callback to implement demand.

func (*SafeMap[T]) SafeDelete 

func (m *SafeMap[T]) SafeDelete(k string)

func (*SafeMap[T]) SafeGet 

func (m *SafeMap[T]) SafeGet(k string) (T, bool)

SafeGet locks to get the value of the specified k. If the value doesn't exist, the second parameter returns false, and vice versa.

func (*SafeMap[T]) SafeRange 

func (m *SafeMap[T]) SafeRange(handle func(k string, v T) bool)

SafeRange locks to range map. You can set callback to implement demand.

func (*SafeMap[T]) SafeSet 

func (m *SafeMap[T]) SafeSet(k string, v T)

SafeSet locks to set value of key to be specified

func (*SafeMap[T]) Set 

func (m *SafeMap[T]) Set(k string, v T)

SafeSet sets value of key to be specified with locking

type Template 

type Template struct {
	*template.Template
	// contains filtered or unexported fields
}

func NewTemplate 

func NewTemplate(opt ...TemplateOpt) *Template

func (*Template) LazyLoadFiles 

func (tmpl *Template) LazyLoadFiles() *Template

func (*Template) LazyLoadPkgs 

func (tmpl *Template) LazyLoadPkgs() *Template

func (*Template) LoadFiles 

func (tmpl *Template) LoadFiles(filename ...string) *Template

func (*Template) LoadPkgs 

func (tmpl *Template) LoadPkgs(pkgs ...string) *Template

func (*Template) OnceParse 

func (tmpl *Template) OnceParse(text string, data any) (string, error)

func (*Template) OnceParseFile 

func (tmpl *Template) OnceParseFile(data any, filenames ...string) (string, error)

func (*Template) Preprocess 

func (tmpl *Template) Preprocess(doc string) string

func (*Template) Run 

func (tmpl *Template) Run(doc string) (string, error)

type TemplateLinker 

type TemplateLinker struct {
	Pkgs  []string
	Files []string
}

func (*TemplateLinker) Load 

func (ld *TemplateLinker) Load(files ...string) string

func (*TemplateLinker) Using 

func (ld *TemplateLinker) Using(pkgs ...string) string

type TemplateLiteralGenerator 

type TemplateLiteralGenerator struct{}

func (TemplateLiteralGenerator) Batch 

func (TemplateLiteralGenerator) Batch(cmd ...string) string

func (TemplateLiteralGenerator) Block 

func (TemplateLiteralGenerator) Block(name, scope, expression string) string

func (TemplateLiteralGenerator) Call 

func (TemplateLiteralGenerator) Call(name string, params ...string) string

func (TemplateLiteralGenerator) Define 

func (TemplateLiteralGenerator) Define(name, expression string) string

func (TemplateLiteralGenerator) Get 

func (TemplateLiteralGenerator) Get(name string) string

func (TemplateLiteralGenerator) If 

func (TemplateLiteralGenerator) If(conditions []string, expressions []string) string

func (TemplateLiteralGenerator) Pipe 

func (TemplateLiteralGenerator) Pipe() string

func (TemplateLiteralGenerator) Range 

func (TemplateLiteralGenerator) Range(condition, expression string) string

func (TemplateLiteralGenerator) Ref 

func (TemplateLiteralGenerator) Ref(name string) string

func (TemplateLiteralGenerator) Scope 

func (TemplateLiteralGenerator) Scope(cmd string) string

func (TemplateLiteralGenerator) Str 

func (TemplateLiteralGenerator) Str(str string) string

func (TemplateLiteralGenerator) Template 

func (TemplateLiteralGenerator) Template(name string) string

func (TemplateLiteralGenerator) Var 

func (TemplateLiteralGenerator) Var(name, value string) string

func (TemplateLiteralGenerator) With 

func (TemplateLiteralGenerator) With(condition, expression string) string

type TemplateOpt 

type TemplateOpt struct {
	// contains filtered or unexported fields
}

type Time 

type Time struct {
	// contains filtered or unexported fields
}

func ParseTime 

func ParseTime(layout, value string) *Time

func (*Time) AddDate 

func (tm *Time) AddDate(years, months, days int)

func (Time) Clone 

func (tm Time) Clone() *Time

func (*Time) Day 

func (tm *Time) Day() int

func (*Time) Diff 

func (tm *Time) Diff(t *Time) *Duration

func (*Time) DiffNow 

func (tm *Time) DiffNow() *Duration

func (*Time) Format 

func (tm *Time) Format(layout string) string

func (*Time) Month 

func (tm *Time) Month() int

func (*Time) String 

func (tm *Time) String() string

func (*Time) Year 

func (tm *Time) Year() int

type Timer 

type Timer struct {
}

func (*Timer) Add 

func (timer *Timer) Add()

func (*Timer) Start 

func (timer *Timer) Start()

type WeightedRandom 

type WeightedRandom[T any] struct {
	// contains filtered or unexported fields
}

func NewWeightedRandom 

func NewWeightedRandom[T any](
	elements []T,
	policy ...func(weights []float64) float64) *WeightedRandom[T]

func (*WeightedRandom[T]) Del 

func (wr *WeightedRandom[T]) Del(idx int)

func (*WeightedRandom[T]) Down 

func (wr *WeightedRandom[T]) Down(idx int)

Down decreases the probability of element to be specified

func (*WeightedRandom[T]) Next 

func (wr *WeightedRandom[T]) Next() (T, int)

Next returns an element and its index. If error, returns -1.

func (*WeightedRandom[T]) Put 

func (wr *WeightedRandom[T]) Put(e T)

func (*WeightedRandom[T]) Up 

func (wr *WeightedRandom[T]) Up(idx int)

Up increases the probability of element to be specified

func (*WeightedRandom[T]) Weights 

func (wr *WeightedRandom[T]) Weights() []float64

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