line_scanner.go 920 B

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  1. // Copyright 2018 The Cockroach Authors.
  2. //
  3. // Licensed under the Apache License, Version 2.0 (the "License");
  4. // you may not use this file except in compliance with the License.
  5. // You may obtain a copy of the License at
  6. //
  7. // http://www.apache.org/licenses/LICENSE-2.0
  8. //
  9. // Unless required by applicable law or agreed to in writing, software
  10. // distributed under the License is distributed on an "AS IS" BASIS,
  11. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  12. // implied. See the License for the specific language governing
  13. // permissions and limitations under the License.
  14. package datadriven
  15. import (
  16. "bufio"
  17. "io"
  18. )
  19. type lineScanner struct {
  20. *bufio.Scanner
  21. line int
  22. }
  23. func newLineScanner(r io.Reader) *lineScanner {
  24. return &lineScanner{
  25. Scanner: bufio.NewScanner(r),
  26. line: 0,
  27. }
  28. }
  29. func (l *lineScanner) Scan() bool {
  30. ok := l.Scanner.Scan()
  31. if ok {
  32. l.line++
  33. }
  34. return ok
  35. }