packer-cn/vendor/github.com/aws/aws-sdk-go/internal/ini/skipper.go

46 lines
962 B
Go

package ini
// skipper is used to skip certain blocks of an ini file.
// Currently skipper is used to skip nested blocks of ini
// files. See example below
//
// [ foo ]
// nested = ; this section will be skipped
// a=b
// c=d
// bar=baz ; this will be included
type skipper struct {
shouldSkip bool
TokenSet bool
prevTok Token
}
func newSkipper() skipper {
return skipper{
prevTok: emptyToken,
}
}
func (s *skipper) ShouldSkip(tok Token) bool {
// should skip state will be modified only if previous token was new line (NL);
// and the current token is not WhiteSpace (WS).
if s.shouldSkip &&
s.prevTok.Type() == TokenNL &&
tok.Type() != TokenWS {
s.Continue()
return false
}
s.prevTok = tok
return s.shouldSkip
}
func (s *skipper) Skip() {
s.shouldSkip = true
}
func (s *skipper) Continue() {
s.shouldSkip = false
// empty token is assigned as we return to default state, when should skip is false
s.prevTok = emptyToken
}