util

Documentation

Index

• Constants
• func ConvertTo8BitPNG(img image.Image, imgData *bytes.Buffer) error
• func CurrentDir() (string, error)
• func FindMaxValueInSlice(values []int) int
• func ImageType(mimeStr string) (tp string)
• func IsURLValid(value string) bool
• func IsValueInSlice(valueToCheck string, values []string) bool
• func PathSetup(source, name string) (string, error)
• func TrimAndSplitURL(u string) []string
• func URLSource(u string) (string, error)

Constants

const IMAGEREGEX = `<img[^>]+src="([^">]+)"`

IMAGEREGEX to extract the image html tag

Functions

func ConvertTo8BitPNG

func ConvertTo8BitPNG(img image.Image, imgData *bytes.Buffer) error

ConvertTo8BitPNG converts an image of any type to a PNG with 8-bit color depth

func CurrentDir

func CurrentDir() (string, error)

CurrentDir

func FindMaxValueInSlice

func FindMaxValueInSlice(values []int) int

FindMaxValueInSlice return the max value

func ImageType

func ImageType(mimeStr string) (tp string)

ImageType return the image type

func IsURLValid

func IsURLValid(value string) bool

IsURLValid will exclude those url containing `.gif` and `logo`.

func IsValueInSlice

func IsValueInSlice(valueToCheck string, values []string) bool

IsValueInSlice will check if a value is already in a slice.

func PathSetup

func PathSetup(source, name string) (string, error)

PathSetup will create the folders where the comic will be saved

func TrimAndSplitURL

func TrimAndSplitURL(u string) []string

TrimAndSplitURL will trim tailing "/" and split url

func URLSource

func URLSource(u string) (string, error)

URLSource will retrieve the url hostname.