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miniflux/generate.go
2018-01-02 22:04:48 -08:00

120 lines
3.2 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"
"encoding/base64"
"fmt"
"io/ioutil"
"os"
"path"
"path/filepath"
"strings"
"text/template"
"time"
"github.com/tdewolff/minify"
"github.com/tdewolff/minify/css"
"github.com/tdewolff/minify/js"
)
const tpl = `// Code generated by go generate; DO NOT EDIT.
// {{ .Timestamp }}
package {{ .Package }}
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 generatedTpl = template.Must(template.New("").Parse(tpl))
type GeneratedFile struct {
Package, Map string
Timestamp time.Time
Files map[string]string
Checksums map[string]string
}
func normalizeBasename(filename string) string {
filename = strings.TrimSuffix(filename, filepath.Ext(filename))
return strings.Replace(filename, " ", "_", -1)
}
func generateFile(serializer, pkg, mapName, pattern, output string) {
generatedFile := &GeneratedFile{
Package: pkg,
Map: mapName,
Timestamp: time.Now(),
Files: make(map[string]string),
Checksums: make(map[string]string),
}
files, _ := filepath.Glob(pattern)
for _, file := range files {
basename := path.Base(file)
content, err := ioutil.ReadFile(file)
if err != nil {
panic(err)
}
switch serializer {
case "css":
m := minify.New()
m.AddFunc("text/css", css.Minify)
content, err = m.Bytes("text/css", content)
if err != nil {
panic(err)
}
basename = normalizeBasename(basename)
generatedFile.Files[basename] = string(content)
case "js":
m := minify.New()
m.AddFunc("text/javascript", js.Minify)
content, err = m.Bytes("text/javascript", content)
if err != nil {
panic(err)
}
basename = normalizeBasename(basename)
generatedFile.Files[basename] = string(content)
case "base64":
encodedContent := base64.StdEncoding.EncodeToString(content)
generatedFile.Files[basename] = encodedContent
default:
basename = normalizeBasename(basename)
generatedFile.Files[basename] = string(content)
}
generatedFile.Checksums[basename] = fmt.Sprintf("%x", sha256.Sum256(content))
}
f, err := os.Create(output)
if err != nil {
panic(err)
}
defer f.Close()
generatedTpl.Execute(f, generatedFile)
}
func main() {
generateFile("none", "sql", "SqlMap", "sql/*.sql", "sql/sql.go")
generateFile("base64", "static", "Binaries", "ui/static/bin/*", "ui/static/bin.go")
generateFile("css", "static", "Stylesheets", "ui/static/css/*.css", "ui/static/css.go")
generateFile("js", "static", "Javascript", "ui/static/js/*.js", "ui/static/js.go")
generateFile("none", "template", "templateViewsMap", "template/html/*.html", "template/views.go")
generateFile("none", "template", "templateCommonMap", "template/html/common/*.html", "template/common.go")
generateFile("none", "locale", "translations", "locale/translations/*.json", "locale/translations.go")
}