src

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git clone git://code.dwrz.net/src
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skipper.go (878B)


      1 package ini
      2 
      3 // skipper is used to skip certain blocks of an ini file.
      4 // Currently skipper is used to skip nested blocks of ini
      5 // files. See example below
      6 //
      7 //	[ foo ]
      8 //	nested = ; this section will be skipped
      9 //		a=b
     10 //		c=d
     11 //	bar=baz ; this will be included
     12 type skipper struct {
     13 	shouldSkip bool
     14 	TokenSet   bool
     15 	prevTok    Token
     16 }
     17 
     18 func newSkipper() skipper {
     19 	return skipper{
     20 		prevTok: emptyToken,
     21 	}
     22 }
     23 
     24 func (s *skipper) ShouldSkip(tok Token) bool {
     25 	// should skip state will be modified only if previous token was new line (NL);
     26 	// and the current token is not WhiteSpace (WS).
     27 	if s.shouldSkip &&
     28 		s.prevTok.Type() == TokenNL &&
     29 		tok.Type() != TokenWS {
     30 		s.Continue()
     31 		return false
     32 	}
     33 
     34 	s.prevTok = tok
     35 	return s.shouldSkip
     36 }
     37 
     38 func (s *skipper) Skip() {
     39 	s.shouldSkip = true
     40 }
     41 
     42 func (s *skipper) Continue() {
     43 	s.shouldSkip = false
     44 	s.prevTok = emptyToken
     45 }