mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-29 10:30:39 +00:00
131 lines
5 KiB
Go
131 lines
5 KiB
Go
// GoToSocial
|
|
// Copyright (C) GoToSocial Authors admin@gotosocial.org
|
|
// SPDX-License-Identifier: AGPL-3.0-or-later
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package main
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"os/exec"
|
|
"reflect"
|
|
"strings"
|
|
|
|
"github.com/superseriousbusiness/gotosocial/internal/config"
|
|
)
|
|
|
|
const license = `// GoToSocial
|
|
// Copyright (C) GoToSocial Authors admin@gotosocial.org
|
|
// SPDX-License-Identifier: AGPL-3.0-or-later
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
`
|
|
|
|
func main() {
|
|
var out string
|
|
|
|
// Load runtime config flags
|
|
flag.StringVar(&out, "out", "", "Generated file output path")
|
|
flag.Parse()
|
|
|
|
// Open output file path
|
|
output, err := os.OpenFile(out, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0o644)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
fmt.Fprint(output, "// THIS IS A GENERATED FILE, DO NOT EDIT BY HAND\n")
|
|
fmt.Fprint(output, license)
|
|
fmt.Fprint(output, "package config\n\n")
|
|
fmt.Fprint(output, "import (\n")
|
|
fmt.Fprint(output, "\t\"time\"\n\n")
|
|
fmt.Fprint(output, "\t\"codeberg.org/gruf/go-bytesize\"\n")
|
|
fmt.Fprint(output, "\t\"github.com/superseriousbusiness/gotosocial/internal/language\"\n")
|
|
fmt.Fprint(output, ")\n\n")
|
|
generateFields(output, nil, reflect.TypeOf(config.Configuration{}))
|
|
_ = output.Close()
|
|
_ = exec.Command("gofumpt", "-w", out).Run()
|
|
|
|
// The plan here is that eventually we might be able
|
|
// to generate an example configuration from struct tags
|
|
}
|
|
|
|
func generateFields(output io.Writer, prefixes []string, t reflect.Type) {
|
|
for i := 0; i < t.NumField(); i++ {
|
|
field := t.Field(i)
|
|
|
|
if ft := field.Type; ft.Kind() == reflect.Struct {
|
|
// This is a struct field containing further nested config vars.
|
|
generateFields(output, append(prefixes, field.Name), ft)
|
|
continue
|
|
}
|
|
|
|
// Get prefixed config variable name
|
|
name := strings.Join(prefixes, "") + field.Name
|
|
|
|
// Get period-separated (if nested) config variable "path"
|
|
fieldPath := strings.Join(append(prefixes, field.Name), ".")
|
|
|
|
// Get dash-separated config variable CLI flag "path"
|
|
flagPath := strings.Join(append(prefixes, field.Tag.Get("name")), "-")
|
|
flagPath = strings.ToLower(flagPath)
|
|
|
|
// Get type without "config." prefix.
|
|
fieldType := strings.ReplaceAll(
|
|
field.Type.String(),
|
|
"config.", "",
|
|
)
|
|
|
|
// ConfigState structure helper methods
|
|
fmt.Fprintf(output, "// Get%s safely fetches the Configuration value for state's '%s' field\n", name, fieldPath)
|
|
fmt.Fprintf(output, "func (st *ConfigState) Get%s() (v %s) {\n", name, fieldType)
|
|
fmt.Fprintf(output, "\tst.mutex.RLock()\n")
|
|
fmt.Fprintf(output, "\tv = st.config.%s\n", fieldPath)
|
|
fmt.Fprintf(output, "\tst.mutex.RUnlock()\n")
|
|
fmt.Fprintf(output, "\treturn\n")
|
|
fmt.Fprintf(output, "}\n\n")
|
|
fmt.Fprintf(output, "// Set%s safely sets the Configuration value for state's '%s' field\n", name, fieldPath)
|
|
fmt.Fprintf(output, "func (st *ConfigState) Set%s(v %s) {\n", name, fieldType)
|
|
fmt.Fprintf(output, "\tst.mutex.Lock()\n")
|
|
fmt.Fprintf(output, "\tdefer st.mutex.Unlock()\n")
|
|
fmt.Fprintf(output, "\tst.config.%s = v\n", fieldPath)
|
|
fmt.Fprintf(output, "\tst.reloadToViper()\n")
|
|
fmt.Fprintf(output, "}\n\n")
|
|
|
|
// Global ConfigState helper methods
|
|
// TODO: remove when we pass around a ConfigState{}
|
|
fmt.Fprintf(output, "// %sFlag returns the flag name for the '%s' field\n", name, fieldPath)
|
|
fmt.Fprintf(output, "func %sFlag() string { return \"%s\" }\n\n", name, flagPath)
|
|
fmt.Fprintf(output, "// Get%s safely fetches the value for global configuration '%s' field\n", name, fieldPath)
|
|
fmt.Fprintf(output, "func Get%[1]s() %[2]s { return global.Get%[1]s() }\n\n", name, fieldType)
|
|
fmt.Fprintf(output, "// Set%s safely sets the value for global configuration '%s' field\n", name, fieldPath)
|
|
fmt.Fprintf(output, "func Set%[1]s(v %[2]s) { global.Set%[1]s(v) }\n\n", name, fieldType)
|
|
}
|
|
}
|