util

Documentation

Index

• Constants
• func ConvertToJPG(img image.Image, imgData *bytes.Buffer) error
• func CurrentDir() (string, error)
• func DirectoryOrFileDoesNotExist(filePath string) bool
• func GenerateFileName(dir, name, issueNumber, format string) string
• func ImageType(mimeStr string) (tp string)
• func ImagesPathSetup(outputFolder, source, name, issueNumber string) (string, error)
• func IsURLValid(value string) bool
• func IsValueInSlice(valueToCheck string, values []string) bool
• func Parse(s string) string
• func PathSetup(outputFolder, source, name string) (string, error)
• func SaveImage(w io.Writer, content io.Reader, format 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 ConvertToJPG

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

ConvertToJPG converts an image to jpeg

func CurrentDir

func CurrentDir() (string, error)

CurrentDir return the path where the executable is

func DirectoryOrFileDoesNotExist

func DirectoryOrFileDoesNotExist(filePath string) bool

DirectoryOrFileDoesNotExist check if a directory/file exist or not

func GenerateFileName

func GenerateFileName(dir, name, issueNumber, format string) string

GenerateFileName will return the path where the file should be saved

func ImageType

func ImageType(mimeStr string) (tp string)

ImageType return the image type

func ImagesPathSetup

func ImagesPathSetup(outputFolder, source, name, issueNumber string) (string, error)

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 Parse

func Parse(s string) string

Parse is used to escape characters

func PathSetup

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

PathSetup will create the folders where the comic will be saved

func SaveImage

func SaveImage(w io.Writer, content io.Reader, format string) error

SaveImage saves an image from a given format

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.