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run.go
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/
run.go
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package bson
import (
"bytes"
"flag"
"fmt"
"github.com/15mga/kiwi/util"
"go/ast"
"go/format"
"go/parser"
"go/token"
"io/fs"
"os"
"path/filepath"
"strings"
)
func Run() {
dir := flag.String("d", "", "pb out dir")
flag.Parse()
root := *dir
err := filepath.WalkDir(root, func(fullName string, d fs.DirEntry, err error) error {
if fullName == root || d.IsDir() {
return nil
}
bs, err := os.ReadFile(fullName)
if err != nil {
return err
}
fileSet := token.NewFileSet()
f, err := parser.ParseFile(fileSet, fullName, bs, parser.ParseComments)
if err != nil {
return err
}
for _, d := range f.Decls {
gd, ok := d.(*ast.GenDecl)
if !ok || gd.Tok != token.TYPE {
continue
}
for _, spec := range gd.Specs {
ts := spec.(*ast.TypeSpec)
st, ok := ts.Type.(*ast.StructType)
if !ok {
continue
}
for _, field := range st.Fields.List {
if len(field.Names) != 1 || field.Tag == nil {
continue
}
fieldName := field.Names[0].Name
val := field.Tag.Value
if strings.Index(val, "bson:") > -1 {
continue
}
valLen := len(val)
is := ""
if fieldName == "Id" {
is = " bson:\"_id\""
} else {
is = fmt.Sprintf(" bson:\"%s\"", util.ToUnderline(fieldName))
}
field.Tag.Value = val[:valLen-1] + is + val[valLen-1:]
//移除忽略 0 值
field.Tag.Value = strings.Replace(field.Tag.Value, ",omitempty", "", -1)
}
}
}
var buff bytes.Buffer
err = format.Node(&buff, fileSet, f)
if err != nil {
return err
}
return os.WriteFile(fullName, buff.Bytes(), fs.ModePerm)
})
if err != nil {
panic(err)
}
}