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|
package config
//go:generate go run ../../cmd/cspgenerator/
import (
"fmt"
"os"
"reflect"
"github.com/crewjam/csp"
"github.com/fatih/structtag"
)
func GenerateCSP() error {
t := reflect.TypeFor[csp.Header]()
file, err := os.OpenFile("./csp.go", os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0)
if err != nil {
return err
}
defer file.Close()
_, err = fmt.Fprintf(file, `// Code generated DO NOT EDIT.
package config
import (
"github.com/crewjam/csp"
)
`)
if err != nil {
return err
}
_, err = fmt.Fprintf(file, "type CSP struct {\n")
if err != nil {
return err
}
for i := 0; i < t.NumField(); i++ {
field := t.Field(i)
var t reflect.Type
if field.Type.Kind() == reflect.Slice {
t = field.Type
} else {
t = field.Type
}
tags, err := structtag.Parse(string(field.Tag))
if err != nil {
return err
}
cspTag, err := tags.Get("csp")
if err != nil {
return err
}
tags.Set(&structtag.Tag{
Key: "toml",
Name: cspTag.Name,
})
_, err = fmt.Fprintf(file, "\t%-23s %-28s `%s`\n", field.Name, t, tags.String())
if err != nil {
return err
}
}
_, err = fmt.Fprintln(file, "}")
if err != nil {
return err
}
_, err = fmt.Fprintln(file, `
func (c *CSP) String() string {
return csp.Header(*c).String()
}
`)
if err != nil {
return err
}
return nil
}
|