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This commit is contained in:
andrey
2024-01-25 19:44:58 +03:00
parent d5b5103f40
commit e2a2db01bb
21 changed files with 1 additions and 973 deletions
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100
definition/option/option.go
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@@ -1,100 +0,0 @@
package option
import (
"gitoa.ru/go-4devs/config/definition"
)
var _ definition.Option = Option{}
const (
Kind = "option"
)
const (
TypeString = "string"
TypeInt = "int"
TypeInt64 = "int64"
TypeUint = "uint"
TypeUint64 = "uint64"
TypeFloat64 = "float64"
TypeBool = "bool"
TypeTime = "time.Time"
TypeDuration = "time.Duration"
)
func Default(v any) func(*Option) {
return func(o *Option) {
o.Default = v
}
}
func New(name, desc string, vtype any, opts ...func(*Option)) Option {
option := Option{
Name: name,
Description: desc,
Type: vtype,
}
for _, opt := range opts {
opt(&option)
}
return option
}
type Option struct {
Name string
Description string
Type any
Default any
Params definition.Params
}
func (o Option) WithParams(params ...definition.Param) Option {
return Option{
Name: o.Name,
Description: o.Description,
Type: o.Type,
Params: append(params, o.Params...),
}
}
func (o Option) Kind() string {
return Kind
}
func Time(name, desc string, opts ...func(*Option)) Option {
return New(name, desc, TypeTime, opts...)
}
func Duration(name, desc string, opts ...func(*Option)) Option {
return New(name, desc, TypeDuration, opts...)
}
func String(name, desc string, opts ...func(*Option)) Option {
return New(name, desc, TypeString, opts...)
}
func Int(name, desc string, opts ...func(*Option)) Option {
return New(name, desc, TypeInt, opts...)
}
func Int64(name, desc string, opts ...func(*Option)) Option {
return New(name, desc, TypeInt64, opts...)
}
func Uint(name, desc string, opts ...func(*Option)) Option {
return New(name, desc, TypeUint, opts...)
}
func Uint64(name, desc string, opts ...func(*Option)) Option {
return New(name, desc, TypeUint64, opts...)
}
func Float64(name, desc string, opts ...func(*Option)) Option {
return New(name, desc, TypeFloat64, opts...)
}
func Bool(name, desc string, opts ...func(*Option)) Option {
return New(name, desc, TypeBool, opts...)
}

33
definition/option/tpl/option.tmpl
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@@ -1,33 +0,0 @@
// read{{.FuncName}} {{.Description}}.
func (i {{.StructName}}) read{{.FuncName}}(ctx context.Context) (v {{.Type}},e error) {
val, err := i.Value(ctx, {{ .ParentKeys }}"{{ .Name }}")
if err != nil {
{{if .HasDefault}}
{{$default := .Default}}
{{range .DefaultErrors}}
if errors.Is(err,{{.}}){
return {{$default}}
}
{{end}}
{{end}}
return v, fmt.Errorf("read {{.Keys}}:%w",err)
}
{{.Parse "val" "v" .Keys }}
}
// Read{{.FuncName}} {{.Description}}.
func (i {{.StructName}}) Read{{.FuncName}}(ctx context.Context) ({{.Type}}, error) {
return i.read{{.FuncName}}(ctx)
}
// {{.FuncName}} {{.Description}}.
func (i {{.StructName}}) {{.FuncName}}({{if .Context}} ctx context.Context {{end}}) {{.Type}} {
{{if not .Context}} ctx := context.Background() {{end}}
val, err := i.read{{.FuncName}}(ctx)
if err != nil {
i.log(ctx, "get {{.Keys}}: %v", err)
}
return val
}

3
definition/option/tpl/parse.tmpl
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@@ -1,3 +0,0 @@
{{block "Parse" .}}
return {{.ValName}}.Parse{{ .FuncType}}()
{{end}}

8
definition/option/tpl/unmarshal_json.tmpl
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@@ -1,8 +0,0 @@
{{block "UnmarshalJSON" . }}
pval, perr := {{.ValName}}.ParseString()
if perr != nil {
return {{.Value}}, fmt.Errorf("read {{.Keys}}:%w", perr)
}
return {{.Value}}, {{.Value}}.UnmarshalJSON([]byte(pval))
{{end}}

8
definition/option/tpl/unmarshal_text.tmpl
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@@ -1,8 +0,0 @@
{{block "UnmarshalText" . }}
pval, perr := {{.ValName}}.ParseString()
if perr != nil {
return {{.Value}}, fmt.Errorf("read {{.Keys}}:%w", perr)
}
return {{.Value}}, {{.Value}}.UnmarshalText([]byte(pval))
{{end}}

226
definition/option/view.go
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@@ -1,226 +0,0 @@
package option
import (
"bytes"
"embed"
"encoding"
"encoding/json"
"fmt"
"io"
"reflect"
"strings"
"text/template"
"time"
"gitoa.ru/go-4devs/config/definition"
"gitoa.ru/go-4devs/config/definition/generate"
)
//go:embed tpl/*
var tpls embed.FS
var tpl = template.Must(template.New("tpls").ParseFS(tpls, "tpl/*.tmpl"))
func init() {
generate.MustAdd(Kind, Handle(tpl.Lookup("option.tmpl")))
}
func Handle(tpl *template.Template) generate.Handle {
return func(w io.Writer, h generate.Handler, o definition.Option) error {
opt, _ := o.(Option)
if err := tpl.Execute(w, View{Option: opt, Handler: h}); err != nil {
return fmt.Errorf("option tpl:%w", err)
}
return nil
}
}
type View struct {
Option
generate.Handler
}
func (v View) Context() bool {
return v.Options().Context
}
func (v View) FuncName() string {
if funcName, ok := v.Option.Params.Get(ViewParamFunctName); ok {
return funcName.(string)
}
return generate.FuncName(v.Name)
}
func (v View) Description() string {
if desc, ok := v.Option.Params.Get(ViewParamDescription); ok {
return desc.(string)
}
return v.Option.Description
}
func (v View) Default() string {
switch data := v.Option.Default.(type) {
case time.Time:
return fmt.Sprintf("time.Parse(%q,time.RFC3339Nano)", data.Format(time.RFC3339Nano))
case time.Duration:
return fmt.Sprintf("time.ParseDuration(%q)", data)
default:
return fmt.Sprintf("%#v, nil", data)
}
}
func (v View) HasDefault() bool {
return v.Option.Default != nil
}
func (v View) ParentKeys() string {
if len(v.Handler.Keys()) > 0 {
return `"` + strings.Join(v.Handler.Keys(), `","`) + `",`
}
return ""
}
func (v View) Type() string {
slice := ""
if vtype, ok := v.Option.Type.(string); ok {
if strings.Contains(vtype, ".") {
if name, err := v.AddType(vtype); err == nil {
return slice + name
}
}
return vtype
}
rtype := reflect.TypeOf(v.Option.Type)
if rtype.PkgPath() == "" {
return rtype.String()
}
if rtype.Kind() == reflect.Slice {
slice = "[]"
}
short, err := v.AddType(rtype.PkgPath() + "." + rtype.Name())
if err != nil {
return err.Error()
}
return slice + short
}
func (v View) FuncType() string {
return generate.FuncName(v.Type())
}
func (v View) Parse(valName string, value string, keys []string) string {
h := parser(v.Option.Type)
data, err := h(ParseData{
Value: value,
ValName: valName,
Keys: keys,
View: v,
})
if err != nil {
return err.Error()
}
return data
}
var parses = map[string]func(data ParseData) (string, error){
typesIntreface[0].Name(): func(data ParseData) (string, error) {
var b bytes.Buffer
err := tpl.ExecuteTemplate(&b, "unmarshal_text.tmpl", data)
if err != nil {
return "", err
}
return b.String(), nil
},
typesIntreface[1].Name(): func(data ParseData) (string, error) {
var b bytes.Buffer
err := tpl.ExecuteTemplate(&b, "unmarshal_json.tmpl", data)
if err != nil {
return "", err
}
return b.String(), nil
},
TypeInt: internal,
TypeInt64: internal,
TypeBool: internal,
TypeString: internal,
TypeFloat64: internal,
TypeUint: internal,
TypeUint64: internal,
"time.Duration": func(data ParseData) (string, error) {
return fmt.Sprintf("return %s.ParseDuration()", data.ValName), nil
},
"time.Time": func(data ParseData) (string, error) {
return fmt.Sprintf("return %s.ParseTime()", data.ValName), nil
},
"any": func(data ParseData) (string, error) {
return fmt.Sprintf("return %[2]s, %[1]s.Unmarshal(&%[2]s)", data.ValName, data.Value), nil
},
}
func internal(data ParseData) (string, error) {
var b bytes.Buffer
err := tpl.ExecuteTemplate(&b, "parse.tmpl", data)
if err != nil {
return "", err
}
return b.String(), nil
}
var (
typesIntreface = [...]reflect.Type{
reflect.TypeOf((*encoding.TextUnmarshaler)(nil)).Elem(),
reflect.TypeOf((*json.Unmarshaler)(nil)).Elem(),
}
)
func parser(data any) func(ParseData) (string, error) {
vtype := reflect.TypeOf(data)
name := vtype.Name()
if v, ok := data.(string); ok {
name = v
}
if vtype.Kind() == reflect.Slice {
return parses["any"]
}
if h, ok := parses[name]; ok {
return h
}
for _, extypes := range typesIntreface {
if vtype.Implements(extypes) {
return parses[extypes.Name()]
}
if vtype.Kind() != reflect.Ptr && reflect.PointerTo(vtype).Implements(extypes) {
return parses[extypes.Name()]
}
}
return parses["any"]
}
type ParseData struct {
Value string
ValName string
Keys []string
View
}

6
definition/option/view_params.go
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@@ -1,6 +0,0 @@
package option
const (
ViewParamFunctName = "view.funcName"
ViewParamDescription = "view.description"
)