utils

package
v0.0.0-...-f4c0d56 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: May 27, 2023 License: MIT Imports: 39 Imported by: 1

Documentation

Index

Constants

View Source 
const (
	NONE = iota
	UPPER
	DOWN
)
View Source 
const (
	BlankConf = `workdir: ""`
	ConfFile  = "conf.yaml"
)
View Source 
const (
	CF_DICT = iota
	CF_ARR
	CF_STR
	CF_NUM
	CF_BOOL
	CF_DATA
	CF_UID
	CF_REAL
	CF_NONE
)
View Source 
const (
	UTF8 = Charset("UTF-8")
	// GB18030 support Chinese encoding
	GB18030 = Charset("GB18030")

	BigEndian    = true
	LittleEndian = false

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

	ByteType = iota
	IntType
	Int16Type
	Int32Type
	Int64Type
	Float32Type
	Float64Type
	StringType
)
View Source 
const DefaultLogPath = "/log"

Variables

View Source 
var (
	JsonTrue  = NewJsonBool(true)
	JsonFalse = NewJsonBool(false)
	JsonNil   = NewJsonNull()
)

Functions

func ConvertByte2String 

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

ConvertByte2String return encoding string, which main effect to support unicode bytes, for example Chinese.

func DecodeAESWithKey 

func DecodeAESWithKey(key, str string) string

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 FetchFile 

func FetchFile(src, dst string) (int64, error)

FetchFile fetch file from remote source to local destination

func Filename 

func Filename(fullpath string) string

Filename returns the last element name of fullpath.

func FirstLower 

func FirstLower(s string) string

FirstLower return string in which the first letter is lowercase.

func FirstUpper 

func FirstUpper(s string) string

FirstUpper return string in which the first letter is uppercase.

func FmtTimestamp 

func FmtTimestamp(ts int64) string

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

func InitLogger 

func InitLogger(conf LoggerOpt) error

func InitLoggerWithDefault 

func InitLoggerWithDefault() error

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 Mkdirs 

func Mkdirs(path string) error

Mkdirs recurse to create path

func MoveFile 

func MoveFile(src, dst string) error

MoveFile move file from src to dst, like mv or move command

func NewEnv 

func NewEnv[T any](opt EnvOpt[T]) *T

NewEnv to init BaseEnv and return Payload pointer which will be initialized from specify configure file in opt.

func NowTimestamp 

func NowTimestamp() int64

NowTimestamp returm current timestamp

func NowTimestampByString 

func NowTimestampByString() string

NowTimestamp returm current timestamp string

func OpenConf 

func OpenConf(name, _type, dir string, opts ...viper.Option) *viper.Viper

OpenConf unmarshal file which located in disk to memory according to name, type, dir

func OpenConfFromPath 

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

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 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)

SetBytesMode set convert mode: BigEndian or LittleEndian

func SimilarText 

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

Powered by github.com/syyongx/php2go

func TrimMultiSpace 

func TrimMultiSpace(s string) string

TrimMultiSpace trim redundant space

func Unzip 

func Unzip(src, dst string) error

Unzip unzip zip of source to specify path

func WriteFile 

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

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

func Zip 

func Zip(zipPath string, paths ...string) error

Zip to compress zip of source to specify path

Types

type BaseEnv 

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

func GetEnv 

func GetEnv() *BaseEnv

GetEnv returns global BaseEnv pointer

func NewBaseEnv 

func NewBaseEnv() *BaseEnv

func (*BaseEnv) Commit 

func (env *BaseEnv) Commit(key string, value any) *BaseEnv

Commit push key to configure file. It'll be write in disk throught Write.

func (*BaseEnv) Dump 

func (env *BaseEnv) Dump()

Dump reprensent env on console

func (*BaseEnv) Read 

func (env *BaseEnv) Read(path string)

func (*BaseEnv) ReadWithBind 

func (env *BaseEnv) ReadWithBind(path string, payload any)

func (*BaseEnv) Workdir 

func (env *BaseEnv) Workdir() string

func (*BaseEnv) Write 

func (env *BaseEnv) Write()

Write to persist configure file in disk

type ByteWalk 

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

ByteWalk can extract bytes by bit.

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

IsEnd judge whether cursor read EOF

func (*ByteWalk) Next 

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

Next move ByteWalk cursor and return bytes from last cursor to current cursor.

func (*ByteWalk) Size 

func (bw *ByteWalk) Size() int

Size return buffer length

type BytesDecode 

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

BytesDecode is used to transform bytes to basic type.

func NewBytesDecode 

func NewBytesDecode(_type bool) BytesDecode

func (BytesDecode) BytesToFloat32 

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

BytesToFloat32 return float32 from bytes

func (BytesDecode) BytesToFloat64 

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

BytesToFloat64 return float64 from bytes

func (BytesDecode) BytesToInt16 

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

BytesToInt16 return int16 from bytes

func (BytesDecode) BytesToInt32 

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

BytesToInt32 return int32 from bytes

func (BytesDecode) BytesToInt64 

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

BytesToInt64 return int64 from bytes

type BytesEncode 

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

BytesEncode is used to transform basic type to bytes.

func NewBytesEncode 

func NewBytesEncode(_type bool) BytesEncode

func (BytesEncode) Float32ToBytes 

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

Float32ToBytes return bytes from float32

func (BytesEncode) Float64ToBytes 

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

Float64ToBytes return bytes from float64

func (BytesEncode) Int16ToBytes 

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

Int16ToBytes return bytes from int16

func (BytesEncode) Int32ToBytes 

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

Int32ToBytes return bytes from int32

func (BytesEncode) Int64ToBytes 

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

Int64ToBytes return bytes from int64

type BytesTransfomer 

type BytesTransfomer struct {
	BytesEncode
	BytesDecode
}

BytesTransfomer is used to convert between basic type and bytes 

var ByteTransfomer BytesTransfomer

ByteTransfomer is used to transform basic type to bytes, which is BigEndian convert in default. You can use SetBytesMode to switch LittleEndian.

func (BytesTransfomer) AutoToBytes 

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

AutoToBytes return bytes from referred type automatically.

func (BytesTransfomer) AutoToType 

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

AutoToType return any whom type is referred already from bytes.

type CFArray 

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

func (CFArray) Copy 

func (c CFArray) Copy() CFArray

func (CFArray) Foreach 

func (c CFArray) Foreach(cb func(idx int, v CFValue) bool)

func (CFArray) GetByIdx 

func (c CFArray) GetByIdx(idx int) CFValue

func (CFArray) SetByIdx 

func (c CFArray) SetByIdx(idx int, v any) error

func (CFArray) Type 

func (CFArray) Type() uint8

type CFBool 

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

func (CFBool) Type 

func (CFBool) Type() uint8

type CFData 

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

func (CFData) Type 

func (CFData) Type() uint8

type CFDictionary 

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

func (CFDictionary) Foreach 

func (c CFDictionary) Foreach(cb func(k string, v CFValue) bool)

func (CFDictionary) GetCFValue 

func (c CFDictionary) GetCFValue(field string) CFValue

func (CFDictionary) Set 

func (c CFDictionary) Set(field string, v any)

func (CFDictionary) Type 

func (CFDictionary) Type() uint8

type CFNone 

type CFNone struct{}

func (CFNone) Type 

func (CFNone) Type() uint8

type CFNumber 

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

func (CFNumber) Type 

func (CFNumber) Type() uint8

type CFReal 

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

func (CFReal) Type 

func (CFReal) Type() uint8

type CFString 

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

func (CFString) Type 

func (CFString) Type() uint8

type CFUID 

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

func (CFUID) Type 

func (CFUID) Type() uint8

type CFValue 

type CFValue interface {
	Type() uint8
}

func GetPlistValue 

func GetPlistValue(v CFValue, name string) CFValue

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 EnvOpt 

type EnvOpt[T any] struct {
	Payload   T
	Workdir   string
	Subdirs   []string
	BlankConf string
}

type EnvVar 

type EnvVar interface {
	// SetPath set operate target:
	// windows: sys or user, it's required in windows.
	// posix: /etc/enviroment, this only is empty method.
	SetPath(string) error

	// set global enviroment variable
	Set(string, any) error
	// set global enviroment variable when key isn't exist
	SafeSet(string, any) error

	// unset (delete) global enviroment variable
	Unset(string) error

	// set local enviroment variable
	SetL(string, string) error
	// set local enviroment variable when key isn't exist
	SafeSetL(string, string) error

	// export current enviroment string into specify file
	Export(string) error
	// load enviroment string to be export from disk
	Load(EnvVarLoadOpt) error

	// Print current enviroment variable
	Print()
}

EnvVar is an interface to abstract different os enviroment variable

type EnvVarLoadOpt 

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

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 LoggerOpt 

type LoggerOpt struct {
	Level          string
	Format         string
	Path           string
	FileName       string
	FileMaxSize    int
	FileMaxBackups int
	MaxAge         int
	Compress       bool
	Stdout         bool
}

type MetaArr 

type MetaArr []any

type MetaMap 

type MetaMap map[string]any

type MetaTable 

type MetaTable interface {
	// SetValue set MetaTable's value and have two different rules:
	// regedit(windows): MetaValue ✔ MetaMap ✔ MetaArr x (MetaArr not work);
	// plist(darwin, posix): MetaValue ✔ MetaMap ✔ MetaArr ✔
	SetValue(MetaValue)
	// SafeSetValue set MetaTable's value when key isn't exist and have two different rules:
	// regedit(windows): MetaValue ✔ MetaMap ✔ MetaArr x (MetaArr not work);
	// plist(darwin, posix): MetaValue ✔ MetaMap ✔ MetaArr ✔
	SafeSetValue(MetaValue)
	// GetValue return MetaValue according to key
	GetValue(string) MetaValue
	// CreateSubTable have two different effect:
	// regedit(windows): create sub key and written file depond on its feture.
	// plist(darwin, posix): create sub element of map or array, but not be saved automatically
	// comparing regedit. It's required to call Write method save manually.
	CreateSubTable(string) MetaTable
	// Write to persist MetaValue in disk.
	// note: The regedit (windows) is written when it is created,
	// and this method is only valid for plist (darwin, posix).
	// The regedit is just an empty method.
	Write() error
	// Backup save a copy which could restore MetaValue
	Backup() error
	// Close to free MetaTable memory
	Close()
}

MetaTable is an interface to abstract plist(darwin) and regedit(windows). In other posix os, uniform use of plist as MetaTable interface implement

func CreateMetaTable 

func CreateMetaTable(path string) (MetaTable, error)

CreateMetaTable to create or open MetaTable

func OpenMetaTable 

func OpenMetaTable(path string) (MetaTable, error)

CreateMetaTable to open MetaTable

type MetaValue 

type MetaValue any

type Platform 

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

type PlistFile 

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

PlistFile manage plist, which serves for PosixMetaTable

func CreatePlistFile 

func CreatePlistFile(file string) (*PlistFile, error)

CreatePlistFile create specify plist when plist isn't exist

func OpenPlistFile 

func OpenPlistFile(file string) (*PlistFile, error)

OpenPlistFile open specify plist

func (*PlistFile) Append 

func (pf *PlistFile) Append(value any) error

func (*PlistFile) Backup 

func (pf *PlistFile) Backup() error

func (*PlistFile) Free 

func (pf *PlistFile) Free()

func (*PlistFile) GetArr 

func (pf *PlistFile) GetArr() CFArray

GetDict returns CFArray. If not exist in plist, it'll return a empty CFArray.

func (*PlistFile) GetArrByField 

func (pf *PlistFile) GetArrByField(field string) CFArray

GetArrByField return CFArray according to field

func (*PlistFile) GetBaseValue 

func (pf *PlistFile) GetBaseValue() CFValue

GetBaseValue returns CFValue. If not exist in plist, it'll return CFNone.

func (*PlistFile) GetDict 

func (pf *PlistFile) GetDict() CFDictionary

GetDict returns CFDictionary. If not exist in plist, it'll return a empty CFDictionary.

func (*PlistFile) GetValue 

func (pf *PlistFile) GetValue(key string) CFValue

GetValue returns CFValue according to key

func (*PlistFile) Len 

func (pf *PlistFile) Len() int

Len return plist length. Length of array or map depend on elements amount. For other type that include string, date, number and so on, it ever returns 1.

func (*PlistFile) SafeSet 

func (pf *PlistFile) SafeSet(key string, value any) error

func (*PlistFile) Set 

func (pf *PlistFile) Set(value any)

Set set root element of plist

func (*PlistFile) SetByField 

func (pf *PlistFile) SetByField(field string, value CFValue) error

SetByField set element in sprcify field, which support recurse and meant that you can set a.b.c field.

func (*PlistFile) SetByIdx 

func (pf *PlistFile) SetByIdx(idx int, value any) error

SetByIdx set element in specify position if position is available. For map, index will be convert string as key to set.

func (*PlistFile) Write 

func (pf *PlistFile) Write() error

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)
}

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

type PosixEnvVar 

type PosixEnvVar struct{}

func NewEnvVar 

func NewEnvVar() *PosixEnvVar

func (*PosixEnvVar) Export 

func (env *PosixEnvVar) Export(file string) error

export current enviroment string into specify file

func (*PosixEnvVar) Load 

func (env *PosixEnvVar) Load(opt EnvVarLoadOpt) error

load exported env from disk

func (*PosixEnvVar) Print 

func (env *PosixEnvVar) Print()

Print enviroment variable

func (*PosixEnvVar) SafeSet 

func (env *PosixEnvVar) SafeSet(k string, v any) error

set global enviroment variable when key isn't exist

func (*PosixEnvVar) SafeSetL 

func (env *PosixEnvVar) SafeSetL(k, v string) error

set local enviroment variable when key isn't exist

func (*PosixEnvVar) Set 

func (env *PosixEnvVar) Set(k string, v any) error

set global enviroment variable

func (*PosixEnvVar) SetL 

func (env *PosixEnvVar) SetL(k, v string) error

set local enviroment variable

func (*PosixEnvVar) SetPath 

func (env *PosixEnvVar) SetPath(path string) error

SetPath set operate target: posix: /etc/enviroment, this only is empty method.

func (*PosixEnvVar) Unset 

func (env *PosixEnvVar) Unset(k string) error

unset (delete) global enviroment variable

type PosixMetaTable 

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

func (*PosixMetaTable) Backup 

func (tbl *PosixMetaTable) Backup() error

Backup save a copy which could restore MetaValue

func (*PosixMetaTable) Close 

func (tbl *PosixMetaTable) Close()

Close to free MetaTable memory

func (*PosixMetaTable) CreateSubTable 

func (tbl *PosixMetaTable) CreateSubTable(name string) MetaTable

CreateSubTable create sub element of map or array, but not be saved automatically

func (*PosixMetaTable) GetValue 

func (tbl *PosixMetaTable) GetValue(v string) MetaValue

GetValue return MetaValue according to key

func (*PosixMetaTable) SafeSetValue 

func (tbl *PosixMetaTable) SafeSetValue(v MetaValue)

SafeSetValue set MetaTable's value when key isn't exist, plist(darwin, posix): MetaValue ✔ MetaMap ✔ MetaArr ✔

func (*PosixMetaTable) SetValue 

func (tbl *PosixMetaTable) SetValue(v MetaValue)

SetValue set MetaTable's value, plist(darwin, posix): MetaValue ✔ MetaMap ✔ MetaArr ✔

func (*PosixMetaTable) Write 

func (tbl *PosixMetaTable) Write() error

Write to persist MetaValue in disk. note: The regedit (windows) is written when it is created, and this method is only valid for plist (darwin, posix). The regedit is just an empty method.

type PosixPlugin 

type PosixPlugin struct {
	*plugin.Plugin
}

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 {
	plugin.Symbol
}

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 ReflectDict 

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

ReflectDict is a type dictionary and manage all type by map.

func NewReflectDict 

func NewReflectDict() *ReflectDict

func (*ReflectDict) Load 

func (dict *ReflectDict) Load(datas ...any)

Load to register type into ReflectDict

func (*ReflectDict) New 

func (dict *ReflectDict) New(name string, value any) any

New create a variable according to type name to be specified

type ReflectObject 

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

ReflectObject is an assembly on reflect.Value and relfect.Type.

func NewReflectObject 

func NewReflectObject(data any) *ReflectObject

func (*ReflectObject) DumpFields 

func (re *ReflectObject) DumpFields()

DumpFields print fields and values for current struct

func (*ReflectObject) Fields 

func (re *ReflectObject) Fields() map[string]reflect.Value

Fields return all fields for current type

func (*ReflectObject) Get 

func (re *ReflectObject) Get(field string) reflect.Value

Get return value of spcify field

func (*ReflectObject) Raw 

func (re *ReflectObject) Raw() any

Raw return raw data

func (*ReflectObject) Set 

func (re *ReflectObject) Set(field string, value any) error

Set can ignore case to set field value

type TypeMeta 

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

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