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Move enum-generate to goext

This commit is contained in:
Mike Schwörer 2023-06-05 13:37:49 +02:00
parent e825b4dd85
commit 562bac6987
Signed by: Mikescher
GPG Key ID: D3C7172E0A70F8CF
3 changed files with 7 additions and 279 deletions
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282
scnserver/_gen/enum-generate.go
View File

@ -1,295 +1,21 @@
package main
import (
"fmt"
"gogs.mikescher.com/BlackForestBytes/goext/langext"
"gogs.mikescher.com/BlackForestBytes/goext/rext"
"io"
"gogs.mikescher.com/BlackForestBytes/goext/bfcodegen"
"os"
"regexp"
"strings"
)
type EnumDefVal struct {
VarName string
Value string
Description *string
}
type EnumDef struct {
File string
EnumTypeName string
Type string
Values []EnumDefVal
}
var rexPackage = rext.W(regexp.MustCompile("^package\\s+(?P<name>[A-Za-z0-9_]+)\\s*$"))
var rexEnumDef = rext.W(regexp.MustCompile("^\\s*type\\s+(?P<name>[A-Za-z0-9_]+)\\s+(?P<type>[A-Za-z0-9_]+)\\s*//\\s*(@enum:type).*$"))
var rexValueDef = rext.W(regexp.MustCompile("^\\s*(?P<name>[A-Za-z0-9_]+)\\s+(?P<type>[A-Za-z0-9_]+)\\s*=\\s*(?P<value>(\"[A-Za-z0-9_]+\"|[0-9]+))\\s*(//(?P<descr>.*))?.*$"))
func main() {
dest := os.Args[2]
wd, err := os.Getwd()
errpanic(err)
files, err := os.ReadDir(wd)
errpanic(err)
allEnums := make([]EnumDef, 0)
pkgname := ""
for _, f := range files {
if !strings.HasSuffix(f.Name(), ".go") {
continue
}
fmt.Printf("========= %s =========\n\n", f.Name())
fileEnums, pn := processFile(f.Name())
fmt.Printf("\n")
allEnums = append(allEnums, fileEnums...)
if pn != "" {
pkgname = pn
}
if err != nil {
panic(err)
}
if pkgname == "" {
panic("no package name found in any file")
}
errpanic(os.WriteFile(dest, []byte(fmtOutput(allEnums, pkgname)), 0o755))
}
func errpanic(err error) {
err = bfcodegen.GenerateEnumSpecs(wd, dest)
if err != nil {
panic(err)
}
}
func processFile(fn string) ([]EnumDef, string) {
file, err := os.Open(fn)
errpanic(err)
defer func() { errpanic(file.Close()) }()
bin, err := io.ReadAll(file)
errpanic(err)
lines := strings.Split(string(bin), "\n")
enums := make([]EnumDef, 0)
pkgname := ""
for i, line := range lines {
if i == 0 && strings.HasPrefix(line, "// Code generated by") {
break
}
if match, ok := rexPackage.MatchFirst(line); i == 0 && ok {
pkgname = match.GroupByName("name").Value()
continue
}
if match, ok := rexEnumDef.MatchFirst(line); ok {
def := EnumDef{
File: fn,
EnumTypeName: match.GroupByName("name").Value(),
Type: match.GroupByName("type").Value(),
Values: make([]EnumDefVal, 0),
}
enums = append(enums, def)
fmt.Printf("Found enum definition { '%s' -> '%s' }\n", def.EnumTypeName, def.Type)
}
if match, ok := rexValueDef.MatchFirst(line); ok {
typename := match.GroupByName("type").Value()
def := EnumDefVal{
VarName: match.GroupByName("name").Value(),
Value: match.GroupByName("value").Value(),
Description: match.GroupByNameOrEmpty("descr").ValueOrNil(),
}
found := false
for i, v := range enums {
if v.EnumTypeName == typename {
enums[i].Values = append(enums[i].Values, def)
found = true
if def.Description != nil {
fmt.Printf("Found enum value [%s] for '%s' ('%s')\n", def.Value, def.VarName, *def.Description)
} else {
fmt.Printf("Found enum value [%s] for '%s'\n", def.Value, def.VarName)
}
break
}
}
if !found {
fmt.Printf("Found non-enum value [%s] for '%s' ( looks like enum value, but no matching @enum:type )\n", def.Value, def.VarName)
}
}
}
return enums, pkgname
}
func fmtOutput(enums []EnumDef, pkgname string) string {
str := "// Code generated by permissions_gen.sh DO NOT EDIT.\n"
str += "\n"
str += "package " + pkgname + "\n"
str += "\n"
str += "import \"gogs.mikescher.com/BlackForestBytes/goext/langext\"" + "\n"
str += "\n"
str += "type Enum interface {" + "\n"
str += " Valid() bool" + "\n"
str += " ValuesAny() []any" + "\n"
str += " ValuesMeta() []EnumMetaValue" + "\n"
str += " VarName() string" + "\n"
str += "}" + "\n"
str += "" + "\n"
str += "type StringEnum interface {" + "\n"
str += " Enum" + "\n"
str += " String() string" + "\n"
str += "}" + "\n"
str += "" + "\n"
str += "type DescriptionEnum interface {" + "\n"
str += " Enum" + "\n"
str += " Description() string" + "\n"
str += "}" + "\n"
str += "\n"
str += "type EnumMetaValue struct {" + "\n"
str += " VarName string `json:\"varName\"`" + "\n"
str += " Value any `json:\"value\"`" + "\n"
str += " Description *string `json:\"description\"`" + "\n"
str += "}" + "\n"
str += "\n"
for _, enumdef := range enums {
hasDescr := langext.ArrAll(enumdef.Values, func(val EnumDefVal) bool { return val.Description != nil })
hasStr := enumdef.Type == "string"
str += "// ================================ " + enumdef.EnumTypeName + " ================================" + "\n"
str += "//" + "\n"
str += "// File: " + enumdef.File + "\n"
str += "// StringEnum: " + langext.Conditional(hasStr, "true", "false") + "\n"
str += "// DescrEnum: " + langext.Conditional(hasDescr, "true", "false") + "\n"
str += "//" + "\n"
str += "" + "\n"
str += "var __" + enumdef.EnumTypeName + "Values = []" + enumdef.EnumTypeName + "{" + "\n"
for _, v := range enumdef.Values {
str += " " + v.VarName + "," + "\n"
}
str += "}" + "\n"
str += "" + "\n"
if hasDescr {
str += "var __" + enumdef.EnumTypeName + "Descriptions = map[" + enumdef.EnumTypeName + "]string{" + "\n"
for _, v := range enumdef.Values {
str += " " + v.VarName + ": \"" + strings.TrimSpace(*v.Description) + "\"," + "\n"
}
str += "}" + "\n"
str += "" + "\n"
}
str += "var __" + enumdef.EnumTypeName + "Varnames = map[" + enumdef.EnumTypeName + "]string{" + "\n"
for _, v := range enumdef.Values {
str += " " + v.VarName + ": \"" + v.VarName + "\"," + "\n"
}
str += "}" + "\n"
str += "" + "\n"
str += "func (e " + enumdef.EnumTypeName + ") Valid() bool {" + "\n"
str += " return langext.InArray(e, __" + enumdef.EnumTypeName + "Values)" + "\n"
str += "}" + "\n"
str += "" + "\n"
str += "func (e " + enumdef.EnumTypeName + ") Values() []" + enumdef.EnumTypeName + " {" + "\n"
str += " return __" + enumdef.EnumTypeName + "Values" + "\n"
str += "}" + "\n"
str += "" + "\n"
str += "func (e " + enumdef.EnumTypeName + ") ValuesAny() []any {" + "\n"
str += " return langext.ArrCastToAny(__" + enumdef.EnumTypeName + "Values)" + "\n"
str += "}" + "\n"
str += "" + "\n"
str += "func (e " + enumdef.EnumTypeName + ") ValuesMeta() []EnumMetaValue {" + "\n"
str += " return []EnumMetaValue{" + "\n"
for _, v := range enumdef.Values {
if hasDescr {
str += " " + fmt.Sprintf("EnumMetaValue{VarName: \"%s\", Value: %s, Description: langext.Ptr(\"%s\")},", v.VarName, v.VarName, strings.TrimSpace(*v.Description)) + "\n"
} else {
str += " " + fmt.Sprintf("EnumMetaValue{VarName: \"%s\", Value: %s, Description: nil},", v.VarName, v.VarName) + "\n"
}
}
str += " }" + "\n"
str += "}" + "\n"
str += "" + "\n"
if hasStr {
str += "func (e " + enumdef.EnumTypeName + ") String() string {" + "\n"
str += " return string(e)" + "\n"
str += "}" + "\n"
str += "" + "\n"
}
if hasDescr {
str += "func (e " + enumdef.EnumTypeName + ") Description() string {" + "\n"
str += " if d, ok := __" + enumdef.EnumTypeName + "Descriptions[e]; ok {" + "\n"
str += " return d" + "\n"
str += " }" + "\n"
str += " return \"\"" + "\n"
str += "}" + "\n"
str += "" + "\n"
}
str += "func (e " + enumdef.EnumTypeName + ") VarName() string {" + "\n"
str += " if d, ok := __" + enumdef.EnumTypeName + "Varnames[e]; ok {" + "\n"
str += " return d" + "\n"
str += " }" + "\n"
str += " return \"\"" + "\n"
str += "}" + "\n"
str += "" + "\n"
str += "func Parse" + enumdef.EnumTypeName + "(vv string) (" + enumdef.EnumTypeName + ", bool) {" + "\n"
str += " for _, ev := range __" + enumdef.EnumTypeName + "Values {" + "\n"
str += " if string(ev) == vv {" + "\n"
str += " return ev, true" + "\n"
str += " }" + "\n"
str += " }" + "\n"
str += " return \"\", false" + "\n"
str += "}" + "\n"
str += "" + "\n"
str += "func " + enumdef.EnumTypeName + "Values() []" + enumdef.EnumTypeName + " {" + "\n"
str += " return __" + enumdef.EnumTypeName + "Values" + "\n"
str += "}" + "\n"
str += "" + "\n"
str += "func " + enumdef.EnumTypeName + "ValuesMeta() []EnumMetaValue {" + "\n"
str += " return []EnumMetaValue{" + "\n"
for _, v := range enumdef.Values {
if hasDescr {
str += " " + fmt.Sprintf("EnumMetaValue{VarName: \"%s\", Value: %s, Description: langext.Ptr(\"%s\")},", v.VarName, v.VarName, strings.TrimSpace(*v.Description)) + "\n"
} else {
str += " " + fmt.Sprintf("EnumMetaValue{VarName: \"%s\", Value: %s, Description: nil},", v.VarName, v.VarName) + "\n"
}
}
str += " }" + "\n"
str += "}" + "\n"
str += "" + "\n"
}
return str
}

2
scnserver/go.mod
View File

@ -9,7 +9,7 @@ require (
github.com/jmoiron/sqlx v1.3.5
github.com/mattn/go-sqlite3 v1.14.16
github.com/rs/zerolog v1.28.0
gogs.mikescher.com/BlackForestBytes/goext v0.0.127
gogs.mikescher.com/BlackForestBytes/goext v0.0.130
gopkg.in/loremipsum.v1 v1.1.0
)

2
scnserver/go.sum
View File

@ -83,6 +83,8 @@ gogs.mikescher.com/BlackForestBytes/goext v0.0.126 h1:o3u0STRaPkmNBenqzvXAOPALSy
gogs.mikescher.com/BlackForestBytes/goext v0.0.126/go.mod h1:w8JlyUHpoOJmW5GxsiheZkFh3vn8Mp80ynSVOFLszL0=
gogs.mikescher.com/BlackForestBytes/goext v0.0.127 h1:NYrSO1kjFWL1yMh0xqIeMZ4hUJiGjILMQwvZMLy4VEg=
gogs.mikescher.com/BlackForestBytes/goext v0.0.127/go.mod h1:w8JlyUHpoOJmW5GxsiheZkFh3vn8Mp80ynSVOFLszL0=
gogs.mikescher.com/BlackForestBytes/goext v0.0.130 h1:Gc50AWtjEQK9db7Osz7EFvW/hTwXBVQSAuadsBm6Cj4=
gogs.mikescher.com/BlackForestBytes/goext v0.0.130/go.mod h1:w8JlyUHpoOJmW5GxsiheZkFh3vn8Mp80ynSVOFLszL0=
golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/crypto v0.4.0 h1:UVQgzMY87xqpKNgb+kDsll2Igd33HszWHFLmpaRMq/8=
golang.org/x/crypto v0.4.0/go.mod h1:3quD/ATkf6oY+rnes5c3ExXTbLc8mueNue5/DoinL80=