fermentord/vendor/github.com/pelletier/go-toml/v2/strict.go

107 lines
1.8 KiB
Go

package toml
import (
"github.com/pelletier/go-toml/v2/internal/danger"
"github.com/pelletier/go-toml/v2/internal/tracker"
"github.com/pelletier/go-toml/v2/unstable"
)
type strict struct {
Enabled bool
// Tracks the current key being processed.
key tracker.KeyTracker
missing []unstable.ParserError
}
func (s *strict) EnterTable(node *unstable.Node) {
if !s.Enabled {
return
}
s.key.UpdateTable(node)
}
func (s *strict) EnterArrayTable(node *unstable.Node) {
if !s.Enabled {
return
}
s.key.UpdateArrayTable(node)
}
func (s *strict) EnterKeyValue(node *unstable.Node) {
if !s.Enabled {
return
}
s.key.Push(node)
}
func (s *strict) ExitKeyValue(node *unstable.Node) {
if !s.Enabled {
return
}
s.key.Pop(node)
}
func (s *strict) MissingTable(node *unstable.Node) {
if !s.Enabled {
return
}
s.missing = append(s.missing, unstable.ParserError{
Highlight: keyLocation(node),
Message: "missing table",
Key: s.key.Key(),
})
}
func (s *strict) MissingField(node *unstable.Node) {
if !s.Enabled {
return
}
s.missing = append(s.missing, unstable.ParserError{
Highlight: keyLocation(node),
Message: "missing field",
Key: s.key.Key(),
})
}
func (s *strict) Error(doc []byte) error {
if !s.Enabled || len(s.missing) == 0 {
return nil
}
err := &StrictMissingError{
Errors: make([]DecodeError, 0, len(s.missing)),
}
for _, derr := range s.missing {
derr := derr
err.Errors = append(err.Errors, *wrapDecodeError(doc, &derr))
}
return err
}
func keyLocation(node *unstable.Node) []byte {
k := node.Key()
hasOne := k.Next()
if !hasOne {
panic("should not be called with empty key")
}
start := k.Node().Data
end := k.Node().Data
for k.Next() {
end = k.Node().Data
}
return danger.BytesRange(start, end)
}