/
message_generate.go
214 lines (185 loc) · 5.57 KB
/
message_generate.go
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/*
* Copyright © 2018-2022 Software AG, Darmstadt, Germany and/or its licensors
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
//go:generate go run message_generate.go
// Package main Generate go files out of message content
package main
import (
"bufio"
"bytes"
"fmt"
"go/format"
"os"
"path/filepath"
"regexp"
"strings"
"text/template"
)
const messageFilePattern = `^\w+\.[a-zA-Z]{2}$`
type mesg struct {
Lang string
Msg string
}
var locales map[string]map[string]mesg
var headerTemplate = `/*
* Copyright © 2019-2022 Software AG, Darmstadt, Germany and/or its licensors
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
/*
* CODE GENERATED AUTOMATICALLY WITH adabas/generate
* THIS FILE MUST NOT BE EDITED BY HAND
*/
package {{.Name}}
var staticMessages = []struct {
code string
locale string
message string
}{
{{range $localekey, $localevalue := .Messages}}{{range $key, $value := $localevalue}}
{ "{{$key}}","{{$value.Lang}}","{{$value.Msg}}" },{{end}} {{end}}
}`
func generateByTemplate(file *os.File) error {
buff := bytes.NewBuffer(nil)
tmplHead, err := parseTemplates()
if err != nil {
return err
}
// Generate header
if err := tmplHead.Execute(buff, struct {
Name string
Messages map[string]map[string]mesg
}{
"adatypes",
locales,
}); err != nil {
return err
}
// Formating code
code, err := format.Source(buff.Bytes())
if err != nil {
fmt.Println("Error formatting ....", buff.String())
return err
}
fmt.Fprintln(file, string(code))
return nil
}
func parseTemplates() (*template.Template, error) {
tmplHead, err := template.New("header").Parse(headerTemplate)
if err != nil {
return nil, err
}
return tmplHead, nil
}
// Main program to generate source containing a list of all
// error messages. Input files are all *.en or *.${LANG} files.
func main() {
fmt.Println("Generate message code")
locales = make(map[string]map[string]mesg)
curdir := os.Getenv("CURDIR")
if curdir == "" {
curdir = fmt.Sprintf("..%cadatypes%c", os.PathSeparator, os.PathSeparator)
} else {
curdir = fmt.Sprintf("%s%cadatypes%c", curdir, os.PathSeparator, os.PathSeparator)
}
destinationFile := fmt.Sprintf("%s%cstatic_messages.go", curdir, os.PathSeparator)
if _, err := os.Stat(destinationFile); !os.IsNotExist(err) {
fmt.Println("Remove old file: ", destinationFile)
err = os.Remove(destinationFile)
if err != nil {
fmt.Println("Error deleting file", err)
return
}
}
locales = make(map[string]map[string]mesg)
file, err := os.OpenFile(destinationFile, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0666)
if err != nil {
fmt.Println("Error opening file", err)
return
}
messageLocation := os.Getenv("GO_ADA_MESSAGES")
if messageLocation == "" {
messageLocation = fmt.Sprintf(".%cmessages", os.PathSeparator)
}
if _, err := os.Stat(messageLocation); os.IsNotExist(err) {
fmt.Printf("Location not found: %s", messageLocation)
fmt.Printf("Message location at %s not found, plesae set GO_ADA_MESSAGES", messageLocation)
return
}
if error := filepath.Walk(messageLocation, loadMessageFile); error != nil && !os.IsNotExist(error) {
fmt.Println("Error reading messages files:", error)
}
if err := generateByTemplate(file); err != nil {
fmt.Println("Error generate with template", err)
return
}
}
// Load a single message file
func loadMessageFile(path string, info os.FileInfo, osError error) error {
if osError != nil {
return osError
}
if info.IsDir() {
return nil
}
fmt.Printf("Check path %s\n", path)
locale := parseLocaleFromFileName(info.Name())
if matched, _ := regexp.MatchString(messageFilePattern, info.Name()); matched {
fmt.Printf("Info Name %s locale %s\n", info.Name(), locale)
// If already parsed a message file for this locale, merge both
var messages map[string]mesg
var ok bool
if messages, ok = locales[locale]; !ok {
messages = make(map[string]mesg)
locales[locale] = messages
}
messageFile, err := os.OpenFile(path, os.O_RDONLY, 0666)
if err != nil {
fmt.Printf("Info Name error %#v\n", err)
return err
}
scanner := bufio.NewScanner(messageFile)
for scanner.Scan() {
line := scanner.Text()
msg := line[11:]
msg = strings.Replace(msg, "\"", "'", -1)
messages[line[:10]] = mesg{Msg: msg, Lang: locale}
}
fmt.Println("Scanned")
} else {
fmt.Printf("Ignoring file %s because it did not have a valid extension \n", info.Name())
}
return nil
}
func parseLocaleFromFileName(file string) string {
extension := filepath.Ext(file)[1:]
return strings.ToLower(extension)
}