fiber/utils.go

114 lines
2.6 KiB
Go

// 🔌 Fiber is an Expressjs inspired web framework build on 🚀 Fasthttp.
// 📌 Please open an issue if you got suggestions or found a bug!
// 🖥 https://github.com/gofiber/fiber
// 🦸 Not all heroes wear capes, thank you to some amazing people
// 💖 @valyala, @dgrr, @erikdubbelboer, @savsgio, @julienschmidt
package fiber
import (
"os"
"path/filepath"
"regexp"
"strings"
"unsafe"
)
var (
applicationjson = []byte("application/json")
)
var replacer = strings.NewReplacer(":", "", "?", "")
func getParams(path string) (params []string) {
segments := strings.Split(path, "/")
for _, s := range segments {
if s == "" {
continue
}
if strings.Contains(s, ":") {
s = replacer.Replace(s)
params = append(params, s)
continue
}
if strings.Contains(s, "*") {
params = append(params, "*")
}
}
return params
}
func getRegex(path string) (*regexp.Regexp, error) {
pattern := "^"
segments := strings.Split(path, "/")
for _, s := range segments {
if s == "" {
continue
}
if strings.Contains(s, ":") {
if strings.Contains(s, "?") {
pattern += "(?:/([^/]+?))?"
} else {
pattern += "/(?:([^/]+?))"
}
} else if strings.Contains(s, "*") {
pattern += "/(.*)"
} else {
pattern += "/" + s
}
}
pattern += "/?$"
regex, err := regexp.Compile(pattern)
return regex, err
}
// walkDir loops trough directory and store file paths in array
func walkDir(root string) (files []string, isDir bool, err error) {
err = filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
if !info.IsDir() {
files = append(files, path)
} else {
isDir = true
}
return err
})
return files, isDir, err
}
func B2S(b []byte) string {
return *(*string)(unsafe.Pointer(&b))
}
func S2B(s string) []byte {
return *(*[]byte)(unsafe.Pointer(&s))
}
// NoCopy embed this type into a struct, which mustn't be copied,
// so `go vet` gives a warning if this struct is copied.
//
// See https://github.com/golang/go/issues/8005#issuecomment-190753527 for details.
// and also: https://stackoverflow.com/questions/52494458/nocopy-minimal-example
type noCopy struct{}
// Lock ...
func (*noCopy) Lock() {}
// Unlock ...
func (*noCopy) Unlock() {}
// StringSliceIndexOf returns index position in slice from given string
// If value is -1, the string does not found
func stringSliceIndexOf(vs []string, s string) int {
for i, v := range vs {
if v == s {
return i
}
}
return -1
}
// StringSliceInclude returns true or false if given string is in slice
func stringSliceInclude(vs []string, t string) bool {
return stringSliceIndexOf(vs, t) >= 0
}