miniflux-v2/generate.go

112 lines
2.6 KiB
Go

// Copyright 2017 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
// +build ignore
package main
import (
"crypto/sha256"
"fmt"
"os"
"path"
"path/filepath"
"strings"
"text/template"
)
const tpl = `// Code generated by go generate; DO NOT EDIT.
package {{ .Package }} // import "miniflux.app/{{ .ImportPath }}"
var {{ .Map }} = map[string]string{
{{ range $constant, $content := .Files }}` + "\t" + `"{{ $constant }}": ` + "`{{ $content }}`" + `,
{{ end }}}
var {{ .Map }}Checksums = map[string]string{
{{ range $constant, $content := .Checksums }}` + "\t" + `"{{ $constant }}": "{{ $content }}",
{{ end }}}
`
var bundleTpl = template.Must(template.New("").Parse(tpl))
type Bundle struct {
Package string
Map string
ImportPath string
Files map[string]string
Checksums map[string]string
}
func (b *Bundle) Write(filename string) {
f, err := os.Create(filename)
if err != nil {
panic(err)
}
defer f.Close()
bundleTpl.Execute(f, b)
}
func NewBundle(pkg, mapName, importPath string) *Bundle {
return &Bundle{
Package: pkg,
Map: mapName,
ImportPath: importPath,
Files: make(map[string]string),
Checksums: make(map[string]string),
}
}
func readFile(filename string) []byte {
data, err := os.ReadFile(filename)
if err != nil {
panic(err)
}
return data
}
func checksum(data []byte) string {
return fmt.Sprintf("%x", sha256.Sum256(data))
}
func basename(filename string) string {
return path.Base(filename)
}
func stripExtension(filename string) string {
filename = strings.TrimSuffix(filename, path.Ext(filename))
return strings.Replace(filename, " ", "_", -1)
}
func glob(pattern string) []string {
// There is no Glob function in path package, so we have to use filepath and replace in case of Windows
files, _ := filepath.Glob(pattern)
for i := range files {
if strings.Contains(files[i], "\\") {
files[i] = strings.Replace(files[i], "\\", "/", -1)
}
}
return files
}
func generateBundle(bundleFile, pkg, mapName string, srcFiles []string) {
bundle := NewBundle(pkg, mapName, pkg)
for _, srcFile := range srcFiles {
data := readFile(srcFile)
filename := stripExtension(basename(srcFile))
bundle.Files[filename] = string(data)
bundle.Checksums[filename] = checksum(data)
}
bundle.Write(bundleFile)
}
func main() {
generateBundle("template/views.go", "template", "templateViewsMap", glob("template/html/*.html"))
generateBundle("template/common.go", "template", "templateCommonMap", glob("template/html/common/*.html"))
}