/src/lib/regular_expression/internal/regular_expression_items/regular_expression_item_begin_of_line.e

http://github.com/tybor/Liberty · Specman e · 42 lines · 13 code · 3 blank · 26 comment · 1 complexity · b9268930dd286fec46938e62e8180306 MD5 · raw file

  1. -- This file is part of a Liberty Eiffel library.
  2. -- See the full copyright at the end.
  3. --
  4. class REGULAR_EXPRESSION_ITEM_BEGIN_OF_LINE
  5. --
  6. -- test the begin of a line
  7. --
  8. inherit
  9. REGULAR_EXPRESSION_ITEM
  10. feature {ANY}
  11. explore (matcher: BACKTRACKING_REGULAR_EXPRESSION)
  12. do
  13. if matcher.is_begin_of_line then
  14. matcher.continue
  15. else
  16. matcher.backtrack
  17. end
  18. end
  19. end -- class REGULAR_EXPRESSION_ITEM_BEGIN_OF_LINE
  20. --
  21. -- Copyright (C) 2009-2017: by all the people cited in the AUTHORS file.
  22. --
  23. -- Permission is hereby granted, free of charge, to any person obtaining a copy
  24. -- of this software and associated documentation files (the "Software"), to deal
  25. -- in the Software without restriction, including without limitation the rights
  26. -- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  27. -- copies of the Software, and to permit persons to whom the Software is
  28. -- furnished to do so, subject to the following conditions:
  29. --
  30. -- The above copyright notice and this permission notice shall be included in
  31. -- all copies or substantial portions of the Software.
  32. --
  33. -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  34. -- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  35. -- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  36. -- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  37. -- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  38. -- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  39. -- THE SOFTWARE.