func ParseKeyValue(pg expr.TokenPager, jh u.JsonHelper) error {
if pg.Cur().T != lex.TokenIdentity {
return fmt.Errorf("Expected key/identity for key=value, array but got: %v", pg.Cur().String())
}
for {
key := pg.Cur().V
pg.Next()
switch pg.Cur().T {
case lex.TokenEOF, lex.TokenEOS:
return nil
}
if pg.Cur().T != lex.TokenEqual {
pg.Backup() // whoops, we consumed too much
pg.Backup()
//u.Debugf("exit keyvalue %v", pg.Cur())
return nil
}
pg.Next() // consume equal
//u.Debugf("%s = %v", key, pg.Cur())
switch pg.Cur().T {
case lex.TokenIdentity:
bv, err := strconv.ParseBool(pg.Cur().V)
if err == nil {
jh[key] = bv
} else {
jh[key] = pg.Cur().V
}
case lex.TokenValue:
jh[key] = pg.Cur().V
case lex.TokenBool:
bv, err := strconv.ParseBool(pg.Cur().V)
if err != nil {
return err
}
jh[key] = bv
case lex.TokenInteger:
iv, err := strconv.ParseInt(pg.Cur().V, 10, 64)
if err != nil {
return err
}
jh[key] = iv
case lex.TokenFloat:
fv, err := strconv.ParseFloat(pg.Cur().V, 64)
if err != nil {
return err
}
jh[key] = fv
default:
u.Warnf("got unexpected token: %s", pg.Cur())
return fmt.Errorf("Expected value but got: %v for name=value context", pg.Cur().T.String())
}
pg.Next() // consume value
//u.Debugf("cur: %v", pg.Cur())
if pg.Cur().T != lex.TokenComma {
//u.Debugf("finished loop: jh.len=%v token=%v", len(jh), pg.Cur())
return nil
}
pg.Next() // consume comma
}
panic("unreachable")
}
