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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 5x 5x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | CLASS lcl_sha1_stack DEFINITION.
PUBLIC SECTION.
METHODS clear
RETURNING
VALUE(ro_stack) TYPE REF TO lcl_sha1_stack.
METHODS push
IMPORTING
iv_sha1 TYPE zif_abapgit_git_definitions=>ty_sha1.
METHODS pop
RETURNING
VALUE(rv_sha1) TYPE zif_abapgit_git_definitions=>ty_sha1.
METHODS size
RETURNING
VALUE(rv_size) TYPE i.
PRIVATE SECTION.
DATA mt_list TYPE STANDARD TABLE OF zif_abapgit_git_definitions=>ty_sha1 WITH DEFAULT KEY.
ENDCLASS.
CLASS lcl_sha1_stack IMPLEMENTATION.
METHOD clear.
CLEAR mt_list.
ro_stack = me.
ENDMETHOD.
METHOD push.
INSERT iv_sha1 INTO mt_list INDEX 1.
ENDMETHOD.
METHOD pop.
READ TABLE mt_list INDEX 1 INTO rv_sha1.
ASSERT sy-subrc = 0.
DELETE mt_list INDEX 1.
ENDMETHOD.
METHOD size.
rv_size = lines( mt_list ).
ENDMETHOD.
ENDCLASS.
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