util

Documentation

Index

• Constants
• func CurrentDir() (string, error)
• func DirectoryOrFileDoesNotExist(filePath string) bool
• func GetPathToFile(dir, name, issueNumber, format string, issueNumberOnly bool) string
• func ImageType(mimeStr string) (tp string)
• func ImagesPathSetup(createDefaultPath bool, outputFolder, source, name, issueNumber string) (string, error)
• func IsURLValid(url string) bool
• func IsValueInSlice(valueToCheck string, values []string) bool
• func Parse(s string) string
• func PathSetup(createDefaultPath bool, 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 CurrentDir

func CurrentDir() (string, error)

CurrentDir returns the path where the executable is

func DirectoryOrFileDoesNotExist

func DirectoryOrFileDoesNotExist(filePath string) bool

DirectoryOrFileDoesNotExist check if a directory/file exist.

func GetPathToFile

func GetPathToFile(dir, name, issueNumber, format string, issueNumberOnly bool) string

GetPathToFile returns 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(createDefaultPath bool, outputFolder, source, name, issueNumber string) (string, error)

ImagesPathSetup creates the folders for the images to be saved. when `createDefaultPath` is false the images are stored without prepending the default folder path `comics/source/name/[comic.format]`.

func IsURLValid

func IsURLValid(url string) bool

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

func IsValueInSlice

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

IsValueInSlice checks if a value is already in a slice.

func Parse

func Parse(s string) string

Parse escapes characters

func PathSetup

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

PathSetup creates the folders where the comic will be saved. when `createDefaultPath` is false the comic is stored without prepending the default folder path `comics/source/name/[comic.format]`.

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 trim tailing "/" and split url

func URLSource

func URLSource(u string) (string, error)

URLSource retrieves the hostname from given url.