goutils

package module
v0.0.0-...-7a7712f Latest Latest
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 Go to latest Published: Sep 3, 2023 License: Apache-2.0 Imports: 18 Imported by: 26

README

goutils

Package of go stuff I will iterate on

installation

go get github.com/simonski/goutils

building

make

running

nope, it's libraries

Github

Use PRs, I have a github action for compile and test.

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Abs 

func Abs(a int) int

func ArithmeticProgression 

func ArithmeticProgression(first int, last int) int

https://en.wikipedia.org/wiki/Arithmetic_progression also: https://www.youtube.com/watch?v=uACt9OntiLo

func Binary_to_decimal 

func Binary_to_decimal(decimalValue string) int64

func Bitwisenot 

func Bitwisenot(value int) int

func Check 

func Check(e error)

func CheckErr 

func CheckErr(err error)

func Console 

func Console(msg ...string)

func Contains 

func Contains(a string, list []string) bool

func Convert_strings_to_ints 

func Convert_strings_to_ints(input []string) []int

func Decimal_to_binary 

func Decimal_to_binary(value int64) string

func DirExists 

func DirExists(filename string) bool

DirExists indicates if a file already exists... or not

func EvaluateFilename 

func EvaluateFilename(filename string) string

EvaluateFilename replaces ~ with os.Getenv("HOME") on the filename

func Factorial 

func Factorial(a uint64) uint64

func FileExists 

func FileExists(filename string) bool

FileExists indicates if a file already exists... or not

func Intify 

func Intify(value string) int

func Isint 

func Isint(value string) bool

func LPad 

func LPad(original string, padding string, repeat int) string

func LPadToFixedLength 

func LPadToFixedLength(original string, padding string, maxLength int) string

func Load_file_to_ints 

func Load_file_to_ints(filename string) []int

func Load_file_to_strings 

func Load_file_to_strings(filename string) []string

func Make_map_of_inty_list 

func Make_map_of_inty_list(data []int) map[int]int

make_map_of_inty_list helper makes a map[int]int of a []int to give me whatever go's maps key algorithm performance is, at the cost of the memory

func MaskPermutations 

func MaskPermutations(maskData string, position int, results []string) []string

func Max 

func Max(v1 int, v2 int) int

func Max64 

func Max64(a int64, b int64) int64

func MaxU64 

func MaxU64(a uint64, b uint64) uint64

func Min 

func Min(v1 int, v2 int) int

func Min64 

func Min64(a int64, b int64) int64

func MinU64 

func MinU64(a uint64, b uint64) uint64

func RPad 

func RPad(original string, padding string, repeat int) string

func RPadToFixedLength 

func RPadToFixedLength(original string, padding string, maxLength int) string

func RandStringRunes 

func RandStringRunes(n int) string

func Repeatstring 

func Repeatstring(s string, times int) string

func ReverseString 

func ReverseString(s string) string

func StripWhitespace 

func StripWhitespace(line string) string

func TokenswitchEnvironmentVariables 

func TokenswitchEnvironmentVariables(original string) string

Types

type Align 

type Align int
const (
	AlignTable Align = iota
	AlignLeft
	AlignRight
	AlignCenter
)

type Bin 

type Bin struct {
	Index       int     // position in original array
	Probability float64 // chance of this event occurring
	Count       int     // number of times it has occurred in this run
	LowerBound  float64 // lvalue in range of 0 .. 1 to accept
	UpperBound  float64 // rvalue in range of 0 .. 1 to accept
}

Bin helper to hold the probability and number of times it has occured

type BitSet 

type BitSet struct {
	Bits   map[int]int
	Length int
}

func NewBitSet 

func NewBitSet(value int64) *BitSet

func (*BitSet) ApplyMask 

func (b *BitSet) ApplyMask(mask *Mask)

func (*BitSet) Clear 

func (b *BitSet) Clear()

func (*BitSet) Get 

func (b *BitSet) Get(index int) int

func (*BitSet) GetValue 

func (b *BitSet) GetValue() int64

func (*BitSet) SetValue 

func (b *BitSet) SetValue(value int64)

func (*BitSet) ToBinaryString 

func (b *BitSet) ToBinaryString(bits int) string

type Column 

type Column struct {
	Position     int
	Title        string
	WidthPercent int
	Align        Align
}

func (*Column) Width 

func (column *Column) Width() int

type Counter 

type Counter struct {
	Data map[string]int
}

func NewCounter 

func NewCounter() *Counter

func (*Counter) Get 

func (m *Counter) Get(key string, defaultValue int) int

func (*Counter) Increment 

func (m *Counter) Increment(key string) int

func (*Counter) Keys 

func (m *Counter) Keys() []string

func (*Counter) Put 

func (m *Counter) Put(key string, value int)

type FileScanner 

type FileScanner struct {
	io.Closer
	*bufio.Scanner
}

func BuildScanner 

func BuildScanner(filename *string) *FileScanner

type IntMap 

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

func NewIntMap 

func NewIntMap() *IntMap

func (*IntMap) Get 

func (m *IntMap) Get(key int, defaultValue int) int

func (*IntMap) Increment 

func (m *IntMap) Increment(key int) int

func (*IntMap) Put 

func (m *IntMap) Put(key int, value int)

type Logger 

type Logger struct {
	Prefix        string
	ShowTime      bool
	ShowPrefix    bool
	ShowLevel     bool
	DEBUG_ENABLED bool
	INFO_ENABLED  bool
	WARN_ENABLED  bool
	ERROR_ENABLED bool
	TRACE_ENABLED bool
}

func NewLogger 

func NewLogger(prefix string) *Logger

func (*Logger) Debug 

func (l *Logger) Debug(msg string)

func (*Logger) Decorate 

func (l *Logger) Decorate(level string, msg string) string

func (*Logger) Error 

func (l *Logger) Error(msg string)

func (*Logger) Info 

func (l *Logger) Info(msg string)

func (*Logger) StdOut 

func (l *Logger) StdOut(msg string)

func (*Logger) Trace 

func (l *Logger) Trace(msg string)

func (*Logger) Warn 

func (l *Logger) Warn(msg string)

type Mask 

type Mask struct {
	Data string
}

func NewMask 

func NewMask(value string) *Mask

func (*Mask) DeriveNewMask 

func (m *Mask) DeriveNewMask(address string) *Mask

address: 000000000000000000000000000000101010 (decimal 42) mask: 000000000000000000000000000000X1001X result: 000000000000000000000000000000X1101X

func (*Mask) Get 

func (b *Mask) Get(index int) string

func (*Mask) GetVariations 

func (m *Mask) GetVariations() []string

type Point2D 

type Point2D struct {
	X int
	Y int
}

func (*Point2D) Rotate 

func (p *Point2D) Rotate(degrees int)

Rotates this point around origin 0, 0

func (*Point2D) RotateAroundOrigin 

func (p *Point2D) RotateAroundOrigin(degrees int, origin *Point2D)

RotatesAroundOrigin rotates this point around the specified origin

type Point2DF 

type Point2DF struct {
	X float64
	Y float64
}

func (*Point2DF) Translate 

func (point *Point2DF) Translate(x float64, y float64) *Point2DF

type Point3D 

type Point3D struct {
	X int
	Y int
	Z int
}

type Point4D 

type Point4D struct {
	X int
	Y int
	Z int
	W int
}

type ProbabilityStore 

type ProbabilityStore struct {
	Bins      []*Bin
	CallCount int
}

ProbabilityStore helper struct holds all Bins and methods

func NewProbabilityStore 

func NewProbabilityStore(values []float64) *ProbabilityStore

NewProbabilityStore factory function creates a store and allocates the Bins against the array of probabilities

func (*ProbabilityStore) BinarySearch 

func (store *ProbabilityStore) BinarySearch(value float64, bins []*Bin) int

BinarySearch performs a binary serach to find the appropriate bin for the passed value

func (ProbabilityStore) Debug 

func (store ProbabilityStore) Debug(totalRows int)

Debug prints the results to stdout

func (*ProbabilityStore) Indexof 

func (store *ProbabilityStore) Indexof(value float64) int

Indexof return the position in the array of the Bin that serves the value or -1 if it does not exist

func (ProbabilityStore) Length 

func (store ProbabilityStore) Length() int

Length returns integer number of Bins in the store

func (*ProbabilityStore) Search_o_log_n 

func (store *ProbabilityStore) Search_o_log_n(value float64) int

Search_o_log_n performs a search in o(n) time to find the appropriate bin for the passed value

func (*ProbabilityStore) Search_on 

func (store *ProbabilityStore) Search_on(value float64) int

Search_on performs a search in o(n) time to find the appropriate bin for the passed value

type Stopwatch 

type Stopwatch struct {
	Prefix string
	Splits []*StopwatchEntry
}

func NewStopwatch 

func NewStopwatch(prefix string) *Stopwatch

func (*Stopwatch) Clear 

func (s *Stopwatch) Clear()

func (*Stopwatch) DebugMilliseconds 

func (s *Stopwatch) DebugMilliseconds() string

func (*Stopwatch) DebugNanoseconds 

func (s *Stopwatch) DebugNanoseconds() string

func (*Stopwatch) End 

func (s *Stopwatch) End()

func (*Stopwatch) First 

func (s *Stopwatch) First() *StopwatchEntry

func (*Stopwatch) Last 

func (s *Stopwatch) Last() *StopwatchEntry

func (*Stopwatch) Size 

func (s *Stopwatch) Size() int

func (*Stopwatch) Split 

func (s *Stopwatch) Split(msg string) *StopwatchEntry

func (*Stopwatch) Start 

func (s *Stopwatch) Start()

type StopwatchEntry 

type StopwatchEntry struct {
	Moment  time.Time
	Message string
}

type SysInfo 

type SysInfo struct {
	Hostname string `bson:hostname`
	Platform string `bson:platform`
	CPU      string `bson:cpu`
	RAM      uint64 `bson:ram`
	Disk     uint64 `bson:disk`
}

SysInfo saves the basic system information

func NewSysInfo 

func NewSysInfo() *SysInfo

func (*SysInfo) IsLinux 

func (*SysInfo) IsLinux() bool

func (*SysInfo) IsMacOS 

func (*SysInfo) IsMacOS() bool

func (*SysInfo) IsWindows 

func (*SysInfo) IsWindows() bool

type Table 

type Table struct {
	Align           Align
	Columns         []*Column
	SeparatorWidth  int
	SeparatorColumn string
	SeparatorLine   string
	Border          bool
}

func NewTable 

func NewTable() *Table

func (*Table) Add 

func (table *Table) Add(column *Column)

func (*Table) Header 

func (table *Table) Header() string

func (*Table) Line 

func (table *Table) Line() string

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