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utils.go
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/
utils.go
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package jet
import (
"io"
"net/http"
"sort"
"strings"
"github.com/sohaha/zlsgo/zfile"
)
var (
empty = struct{}{}
Extensions = []string{".jet", ".html"}
)
type Delims struct {
Left string
Right string
}
type Options struct {
Layout string
DelimLeft string
DelimRight string
Extensions []string
Debug bool
Reload bool
}
func getOption(debug bool, opt ...func(o *Options)) Options {
o := Options{
Extensions: Extensions,
DelimLeft: "{{",
DelimRight: "}}",
Layout: "slot",
}
if debug {
o.Debug = true
o.Reload = true
}
for _, f := range opt {
f(&o)
}
return o
}
func ReadFile(path string, fs http.FileSystem) ([]byte, error) {
if fs != nil {
file, err := fs.Open(path)
if err != nil {
return nil, err
}
defer file.Close()
return io.ReadAll(file)
}
return zfile.ReadFile(path)
}
func sortExtensions(extensions []string) []string {
sort.Slice(extensions, func(i, j int) bool {
return strings.Count(extensions[i], ".") > strings.Count(extensions[j], ".")
})
return extensions
}
func (e *Engine) toName(path string) (name, rel string) {
var ext string
for i := range e.options.Extensions {
if strings.HasSuffix(path, e.options.Extensions[i]) {
ext = e.options.Extensions[i]
break
}
}
if ext == "" {
return
}
rel = zfile.SafePath(path, e.directory)
name = strings.TrimSuffix(rel, ext)
rel = strings.Replace(rel, "\\", "/", -1)
return
}
func (e *Engine) readFile(path string) (buf []byte, err error) {
if e.fileSystem != nil {
var file http.File
file, err = e.fileSystem.Open(path)
if err != nil {
return
}
defer file.Close()
buf, err = io.ReadAll(file)
} else {
buf, err = zfile.ReadFile(path)
}
return
}