func loadPatterns(reader io.Reader) (*Trie, os.Error) {
trie := NewTrie()
var s scanner.Scanner
s.Init(reader)
s.Mode = scanner.ScanIdents | scanner.ScanRawStrings | scanner.SkipComments
var which string
tok := s.Scan()
for tok != scanner.EOF {
switch tok {
case scanner.Ident:
// we handle two identifiers: 'patterns' and 'exceptions'
switch ident := s.TokenText(); ident {
case `patterns`, `exceptions`:
which = ident
default:
return nil, os.ErrorString(fmt.Sprintf("Unrecognized identifier '%s' at position %v",
ident, s.Pos()))
}
case scanner.String, scanner.RawString:
// trim the quotes from around the string
tokstr := s.TokenText()
str := tokstr[1 : len(tokstr)-1]
switch which {
case `patterns`:
trie.AddPatternString(str)
}
}
tok = s.Scan()
}
return trie, nil
}
func (h *Hyphenator) loadPatterns(reader io.Reader) os.Error {
var s scanner.Scanner
s.Init(reader)
s.Mode = scanner.ScanIdents | scanner.ScanRawStrings | scanner.SkipComments
var which string
tok := s.Scan()
for tok != scanner.EOF {
switch tok {
case scanner.Ident:
// we handle two identifiers: 'patterns' and 'exceptions'
switch ident := s.TokenText(); ident {
case `patterns`, `exceptions`:
which = ident
default:
return os.ErrorString(fmt.Sprintf("Unrecognized identifier '%s' at position %v",
ident, s.Pos()))
}
case scanner.String, scanner.RawString:
// trim the quotes from around the string
tokstr := s.TokenText()
str := tokstr[1 : len(tokstr)-1]
switch which {
case `patterns`:
h.patterns.AddPatternString(str)
case `exceptions`:
key := strings.Replace(str, `-`, ``, -1)
h.exceptions[key] = str
}
}
tok = s.Scan()
}
return nil
}
