nurse/grammar/grammar.go

60 lines
962 B
Go
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package grammar
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import (
"encoding/json"
"gopkg.in/yaml.v3"
)
var (
_ json.Unmarshaler = (*Check)(nil)
_ yaml.Unmarshaler = (*Check)(nil)
)
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type Call struct {
Module string `parser:"(@Module'.')?"`
Name string `parser:"@Ident"`
Params []Param `parser:"'(' @@? ( ',' @@ )*')'"`
}
type Filters struct {
Chain []Call `parser:"@@ ('->' @@)*"`
}
type Check struct {
Initiator *Call `parser:"@@"`
Validators *Filters `parser:"( '=>' @@)?"`
}
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func (c *Check) UnmarshalYAML(value *yaml.Node) error {
parser, err := NewParser[Check]()
if err != nil {
return err
}
chk, err := parser.Parse(value.Value)
if err != nil {
return err
}
*c = *chk
return nil
}
func (c *Check) UnmarshalJSON(bytes []byte) error {
parser, err := NewParser[Check]()
if err != nil {
return err
}
chk, err := parser.ParseBytes(bytes)
if err != nil {
return err
}
*c = *chk
return nil
}
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type Script struct {
Checks []Check `parser:"(@@';'?)*"`
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}