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PUBLIC
FINAL
CREATE PUBLIC .
PUBLIC SECTION.
TYPES:
BEGIN OF ty_entry,
k TYPE string,
v TYPE string,
END OF ty_entry .
TYPES:
ty_entries TYPE SORTED TABLE OF ty_entry WITH UNIQUE KEY k .
DATA mt_entries TYPE ty_entries READ-ONLY .
CLASS-METHODS create
IMPORTING
!iv_case_insensitive TYPE abap_bool DEFAULT abap_false
RETURNING
VALUE(ro_instance) TYPE REF TO zcl_abapgit_string_map .
METHODS constructor
IMPORTING
!iv_case_insensitive TYPE abap_bool DEFAULT abap_false .
METHODS get
IMPORTING
!iv_key TYPE string
RETURNING
VALUE(rv_val) TYPE string .
METHODS has
IMPORTING
!iv_key TYPE string
RETURNING
VALUE(rv_has) TYPE abap_bool .
METHODS set
IMPORTING
!iv_key TYPE string
!iv_val TYPE csequence OPTIONAL
RETURNING
VALUE(ro_map) TYPE REF TO zcl_abapgit_string_map
RAISING
zcx_abapgit_exception .
METHODS size
RETURNING
VALUE(rv_size) TYPE i .
METHODS is_empty
RETURNING
VALUE(rv_yes) TYPE abap_bool .
METHODS delete
IMPORTING
!iv_key TYPE string
RAISING
zcx_abapgit_exception .
METHODS clear
RAISING
zcx_abapgit_exception .
METHODS to_abap
CHANGING
!cs_container TYPE any
RAISING
zcx_abapgit_exception .
METHODS strict
IMPORTING
!iv_strict TYPE abap_bool DEFAULT abap_true
RETURNING
VALUE(ro_instance) TYPE REF TO zcl_abapgit_string_map .
METHODS freeze .
METHODS merge
IMPORTING
!io_string_map TYPE REF TO zcl_abapgit_string_map
RETURNING
VALUE(ro_instance) TYPE REF TO zcl_abapgit_string_map
RAISING
zcx_abapgit_exception .
PROTECTED SECTION.
PRIVATE SECTION.
DATA mv_read_only TYPE abap_bool.
DATA mv_is_strict TYPE abap_bool.
DATA mv_case_insensitive TYPE abap_bool.
ENDCLASS.
CLASS ZCL_ABAPGIT_STRING_MAP IMPLEMENTATION.
METHOD clear.
IF mv_read_only = abap_true.
zcx_abapgit_exception=>raise( 'Cannot clear. This string map is immutable' ).
ENDIF.
CLEAR mt_entries.
ENDMETHOD.
METHOD constructor.
mv_is_strict = abap_true.
mv_case_insensitive = iv_case_insensitive.
ENDMETHOD.
METHOD create.
CREATE OBJECT ro_instance
EXPORTING
iv_case_insensitive = iv_case_insensitive.
ENDMETHOD.
METHOD delete.
IF mv_read_only = abap_true.
zcx_abapgit_exception=>raise( 'Cannot delete. This string map is immutable' ).
ENDIF.
DELETE mt_entries WHERE k = iv_key.
ENDMETHOD.
METHOD freeze.
mv_read_only = abap_true.
ENDMETHOD.
METHOD get.
DATA lv_key LIKE iv_key.
FIELD-SYMBOLS <ls_entry> LIKE LINE OF mt_entries.
IF mv_case_insensitive = abap_true.
lv_key = to_upper( iv_key ).
ELSE.
lv_key = iv_key.
ENDIF.
READ TABLE mt_entries ASSIGNING <ls_entry> WITH KEY k = lv_key.
IF sy-subrc IS INITIAL.
rv_val = <ls_entry>-v.
ENDIF.
ENDMETHOD.
METHOD has.
READ TABLE mt_entries TRANSPORTING NO FIELDS WITH KEY k = iv_key.
rv_has = boolc( sy-subrc IS INITIAL ).
ENDMETHOD.
METHOD is_empty.
rv_yes = boolc( lines( mt_entries ) = 0 ).
ENDMETHOD.
METHOD merge.
FIELD-SYMBOLS <ls_entry> LIKE LINE OF mt_entries.
LOOP AT io_string_map->mt_entries ASSIGNING <ls_entry>.
set(
iv_key = <ls_entry>-k
iv_val = <ls_entry>-v ).
ENDLOOP.
ro_instance = me.
ENDMETHOD.
METHOD set.
DATA lv_key LIKE iv_key.
DATA ls_entry LIKE LINE OF mt_entries.
FIELD-SYMBOLS <ls_entry> LIKE LINE OF mt_entries.
IF mv_read_only = abap_true.
zcx_abapgit_exception=>raise( 'Cannot set. This string map is immutable' ).
ENDIF.
IF mv_case_insensitive = abap_true.
lv_key = to_upper( iv_key ).
ELSE.
lv_key = iv_key.
ENDIF.
READ TABLE mt_entries ASSIGNING <ls_entry> WITH KEY k = lv_key.
IF sy-subrc IS INITIAL.
<ls_entry>-v = iv_val.
ELSE.
ls_entry-k = lv_key.
ls_entry-v = iv_val.
INSERT ls_entry INTO TABLE mt_entries.
ENDIF.
ro_map = me.
ENDMETHOD.
METHOD size.
rv_size = lines( mt_entries ).
ENDMETHOD.
METHOD strict.
mv_is_strict = iv_strict.
ro_instance = me.
ENDMETHOD.
METHOD to_abap.
DATA lo_type TYPE REF TO cl_abap_typedescr.
DATA lv_field TYPE string.
FIELD-SYMBOLS <ls_entry> LIKE LINE OF mt_entries.
FIELD-SYMBOLS <lv_val> TYPE any.
lo_type = cl_abap_typedescr=>describe_by_data( cs_container ).
IF lo_type->type_kind <> cl_abap_typedescr=>typekind_struct1
AND lo_type->type_kind <> cl_abap_typedescr=>typekind_struct2.
zcx_abapgit_exception=>raise( 'Only structures supported' ).
ENDIF.
LOOP AT mt_entries ASSIGNING <ls_entry>.
lv_field = to_upper( <ls_entry>-k ).
ASSIGN COMPONENT lv_field OF STRUCTURE cs_container TO <lv_val>.
IF sy-subrc = 0.
" TODO check target type ?
<lv_val> = <ls_entry>-v.
ELSEIF mv_is_strict = abap_false.
CONTINUE.
ELSE.
zcx_abapgit_exception=>raise( |Component { lv_field } not found in target| ).
ENDIF.
ENDLOOP.
ENDMETHOD.
ENDCLASS.
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