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Joined: 01 Sep 2007
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PostPosted: Sat Jan 31, 2009 7:41 pm    Post subject: XML Reply with quote

Code:
REPORT  zcrm_dd_program NO STANDARD PAGE HEADING.

TYPE-POOLS: slis.

TYPES: BEGIN OF ty_excel_field,
        excel_index TYPE sy-index,
        field_name TYPE string,
        field_value TYPE string,
      END OF ty_excel_field.

DATA: is_excel_field TYPE ty_excel_field.
DATA: it_excel_field TYPE TABLE OF ty_excel_field.

*Internal tables to hold table information
DATA: it_tables TYPE TABLE OF dd02v.
DATA: is_tables TYPE dd02v.
DATA: it_tabl_inf_tmp TYPE dd02v.

DATA: it_tabl_technics TYPE TABLE OF dd09l.
DATA: is_tabl_technics TYPE dd09l.
DATA: is_tabl_technics_tmp TYPE dd09l.

DATA: it_tabl_fields TYPE comt_gen_dd03p.
DATA: it_tabl_fields_tmp TYPE comt_gen_dd03p.
DATA: is_tabl_fields TYPE dd03p.

*Internal tables to hold domain information
DATA: it_domains TYPE TABLE OF dd01v.
DATA: is_domains TYPE dd01v.
DATA: is_domains_tmp TYPE dd01v.

DATA: it_doma_values TYPE comt_gen_dd07v.
DATA: it_doma_values_tmp TYPE comt_gen_dd07v.
DATA: is_doma_values TYPE dd07v.

*Internal tables to hold data element information
DATA: it_dataelements TYPE TABLE OF dd04v.
DATA: is_dataelements TYPE dd04v.
DATA: is_dataelements_tmp TYPE dd04v.

*Internal table to hold messages
TYPES: BEGIN OF ty_messages,
        mandt TYPE sy-mandt,
        msgid TYPE sy-msgid,
        msgty TYPE sy-msgty,
        msgno TYPE sy-msgno,
        msgv1 TYPE sy-msgv1,
        msgv2 TYPE sy-msgv2,
        msgv3 TYPE sy-msgv3,
        msgv4 TYPE sy-msgv4,
        text  TYPE t100-text,
      END OF ty_messages.

DATA: is_messages TYPE ty_messages.
DATA: it_messages TYPE TABLE OF ty_messages.
   
*Variables to hold message information
DATA:     v_msgid TYPE sy-msgid,
        v_msgty TYPE sy-msgty,
        v_msgno TYPE sy-msgno,
        v_msgv1 TYPE sy-msgv1,
        v_msgv2 TYPE sy-msgv2,
        v_msgv3 TYPE sy-msgv3,
        v_msgv4 TYPE sy-msgv4,
        v_text TYPE t100-text.


*Variables
DATA: line(100) TYPE c.
DATA: v_table_name_check TYPE tbatg-tabname.
DATA: v_ext TYPE ddrefstruc-flag.
DATA: v_create(1) TYPE c.

*Field symbols
FIELD-SYMBOLS:<fs_value> TYPE ANY.

*Constants
CONSTANTS: c_x(1)      VALUE 'X',
           c_space(1)  VALUE '',
           c_yes(1)    VALUE 'Y'.

DATA: v_exist(1) TYPE c.
*---------------------------------------------------------------------*
*End of Data declarations for table maintenance generator
*---------------------------------------------------------------------*
DATA: v_current_cell_index TYPE sy-index.
DATA: v_merged_cells TYPE sy-index.
DATA: v_an_integer_string TYPE string.
DATA: v_an_int TYPE i.

*EXCEL XML file name
DATA: v_rlgrap_excel_xml_file TYPE string.

*Main iXML factory
DATA: g_ixml TYPE REF TO if_ixml.

*XML data bytes size
DATA: v_xml_code_bytes TYPE i.

*XML data
DATA: v_xml_data(500) OCCURS 0.

*Stream factory.
DATA: g_streamfactory TYPE REF TO if_ixml_stream_factory.

*XML istream
DATA: g_istream TYPE REF TO if_ixml_istream.

*XML parser
DATA: g_parser TYPE REF TO if_ixml_parser.

*XML DOM object
DATA: g_obj_dom_xml TYPE REF TO if_ixml_document.

*EXCEL root element
DATA: g_obj_excel_workbook TYPE REF TO if_ixml_element.

*Excel XML workbook name
DATA: g_excel_workbook_name TYPE string.

*To hold the all the Worksheet under the Excel's Workbook element
DATA: g_obj_worksheet_collections TYPE REF TO if_ixml_node_collection.

*To hold the iterator for the Worksheet elements collection
DATA: g_obj_worksheet_itr TYPE REF TO if_ixml_node_iterator.

*To hold a Worksheet node.
DATA: v_obj_a_worksheet_node TYPE REF TO if_ixml_node.

*To hold a Worksheet element.
DATA: v_obj_a_worksheet_element TYPE REF TO if_ixml_element.

*To hold the Worksheet name
DATA: v_worksheet_ss_name TYPE string.

*To hold a Worksheet/Table element.
DATA: v_obj_a_table_element TYPE REF TO if_ixml_element.

*To hold the all the Row elements under the Table element
DATA: v_obj_row_collections TYPE REF TO if_ixml_node_collection.

*To hold the iterator for the Row elements collection
DATA: v_obj_row_itr TYPE REF TO if_ixml_node_iterator.

*To hold a Row node.
DATA: v_obj_a_row_node TYPE REF TO if_ixml_node.

*To hold a Row element.
DATA: v_obj_a_row_element TYPE REF TO if_ixml_element.

*To hold the all the Cell elements under the Row element
DATA: v_obj_cell_collections TYPE REF TO if_ixml_node_collection.

*To hold the iterator for the Cell elements collection
DATA: v_obj_cell_itr TYPE REF TO if_ixml_node_iterator.

*To hold a Cell node.
DATA: v_obj_a_cell_node TYPE REF TO if_ixml_node.

*To hold a Cell element.
DATA: v_obj_a_cell_element TYPE REF TO if_ixml_element.

*To hold a Data element.
DATA: v_obj_a_data_element TYPE REF TO if_ixml_element.

* To hold text nodes
DATA: v_obj_text_lst TYPE REF TO if_ixml_node_list.
DATA: v_obj_text_itr TYPE REF TO if_ixml_node_iterator.

* To hold a text value
DATA: v_txt_val TYPE string.

*To hold a text node.
DATA: v_obj_a_txt_node  TYPE REF TO if_ixml_node.

*Type casting
DATA: g_cast TYPE REF TO if_ixml_unknown.

*To hold the node type
DATA: v_txt_type TYPE i.
DATA: v_subrc TYPE i.

**************SELECTION-SCREEN*****************************
*Input file name
SELECTION-SCREEN BEGIN OF BLOCK b1 WITH FRAME TITLE text-001.
PARAMETER: p_file TYPE rlgrap-filename.
SELECTION-SCREEN END OF BLOCK b1.

*Browse for input file
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_file.
  PERFORM f001_file_value_request USING p_file.

**************AT SELECTION-SCREEN**************************

AT SELECTION-SCREEN.

*Validate files
  PERFORM f_file_check.

*************START-OF-SELECTION**************************
START-OF-SELECTION.

*Read data from file
  PERFORM f004_get_file_data.

*Create domains
  PERFORM f007_create_domains.

*Create data elements
  PERFORM f008_create_dataelements.

*Create tables
  PERFORM f009_create_tables.

*************END-OF-SELECTION**************************
END-OF-SELECTION.
  PERFORM f011_display_messages.
  PERFORM f_free_memory.

*---------------------------------------------------------------------*
*FORM F001_FILE_FOR_VALUE_REQUEST
*---------------------------------------------------------------------*
FORM f001_file_value_request USING file TYPE rlgrap-filename.

  CALL FUNCTION 'KD_GET_FILENAME_ON_F4'
    EXPORTING
      mask      = ''
      static    = 'X'
    CHANGING
      file_name = file.
ENDFORM.                    "F001_FILE_VALUE_REQUEST

*----------------------------------------------------------------------*
*FORM F004_GET_FILE_DATA
*----------------------------------------------------------------------*
*Before proceeding further, the developers must understand completely
*the structure of an XML file and a few terms associated with the XML.

*XML Version     :
*Workbook        :
*Worksheet       :
*Table           :
*Column          :
*Row             :
*Cell            :
*Data            :
*----------------------------------------------------------------------*
*STEP 1: Read the XML file data into V_XML_CODE
*        The output in V_XML_CODE will be the complete XML raw data
*        which is not understandable manually.
*----------------------------------------------------------------------*
FORM f004_get_file_data.

*Convert to right case
  v_rlgrap_excel_xml_file = p_file.

*Upload the excel file
  CALL METHOD cl_gui_frontend_services=>gui_upload
    EXPORTING
      filename   = v_rlgrap_excel_xml_file
      filetype   = 'BIN'
    IMPORTING
      filelength = v_xml_code_bytes
    CHANGING
      data_tab   = v_xml_data.

  IF sy-subrc <> 0.
* Cannot open the Presentation Server file.
    WRITE: / 'Cannot open/read the Presentation Server file',
           v_rlgrap_excel_xml_file.
    EXIT.
  ENDIF.

*---------------------------------------------------------------------*
*STEP 2:Initialize the EXCEL DOM object and get
*       the root element.
*---------------------------------------------------------------------*
*CL_IXML is the standard class provided by SAP to handle
*any XML applications.
* Load ixml library
  CLASS cl_ixml DEFINITION LOAD.

*Create the main factory for the iXML library. G_IXML is exactly
*similar to the class CL_IXML.
*Note that CREATE is a static method, hence we use '=>'
  g_ixml = cl_ixml=>create( ).

* Create a main stream factory.
  CALL METHOD g_ixml->create_stream_factory
    RECEIVING
      rval = g_streamfactory.

* Create a stream for the itab containg XML raw content.
  CALL METHOD g_streamfactory->create_istream_itable
    EXPORTING
      size  = v_xml_code_bytes
      table = v_xml_data[]
    RECEIVING
      rval  = g_istream.

* Create a new DOM object.
  CALL METHOD g_ixml->create_document
    RECEIVING
      rval = g_obj_dom_xml.

* Create a parser.
  CALL METHOD g_ixml->create_parser
    EXPORTING
      stream_factory = g_streamfactory
      istream        = g_istream
      document       = g_obj_dom_xml
    RECEIVING
      rval           = g_parser.

* Parse the XML source.
  CALL METHOD g_parser->parse
    RECEIVING
      rval = v_subrc.

  IF v_subrc <> 0.
* Parsing failed for XML file, Make sure valid XML is found.
    WRITE: / 'Parsing failed for XML file, Make sure valid ' &
             'XML is found.'.
    EXIT.
  ENDIF.

* close the opened stream and thereby the opened xml file.
  CALL METHOD g_istream->close.


* Get the root element of the Excel XML.
  CALL METHOD g_obj_dom_xml->get_root_element
    RECEIVING
      rval = g_obj_excel_workbook.

  IF g_obj_excel_workbook IS INITIAL.
*   The DOM object for the Excel_XML does not seems to be initialized.
    WRITE: / 'The DOM object for the Excel_XML does not seems' &
             'to be initialized.'.
    EXIT.
  ENDIF.

* validate for Excel
* Get the root element name
  CALL METHOD g_obj_excel_workbook->get_name
    RECEIVING
      rval = g_excel_workbook_name.

  CONDENSE g_excel_workbook_name.

* Check if the name is Workbook
  IF g_excel_workbook_name <> 'Workbook'.
    WRITE: / 'The EXCEL XML root element name should be ' &
             'Workbook and not', g_excel_workbook_name.
    EXIT.
  ENDIF.

*---------------------------------------------------------------------*
*STEP 3:Get worksheets
*---------------------------------------------------------------------*
* Get all the Worksheet elements
  CALL METHOD g_obj_excel_workbook->get_elements_by_tag_name
  EXPORTING
    name = 'Worksheet'
*    NAMESPACE = ''
    depth = 1
  RECEIVING
    rval = g_obj_worksheet_collections.

* Make sure the collection is valid
  IF g_obj_worksheet_collections IS INITIAL.
    WRITE: / 'The Excel workbook does not contain any Worksheets.'.
    EXIT.
  ENDIF.

* create an iterator for Worksheet elements
  CALL METHOD g_obj_worksheet_collections->create_iterator
    RECEIVING
      rval = g_obj_worksheet_itr.

* Make sure the iterator is valid.
  IF g_obj_worksheet_itr IS INITIAL.
    WRITE: / 'The Excel workbook does not contain any Worksheets.'.
    EXIT.
  ENDIF.


* step  3.1  get the first worksheet
  CALL METHOD g_obj_worksheet_itr->get_next
    RECEIVING
      rval = v_obj_a_worksheet_node.

* Validate of not null before proceeding.
  IF v_obj_a_worksheet_node IS INITIAL.
    WRITE: / 'The Excel workbook does not contain any Worksheets.'.
    EXIT.
  ENDIF.

* Lets type cast THE NODE OBJECT to ELEMENT OBJECT
  CLEAR g_cast.
  CALL METHOD v_obj_a_worksheet_node->query_interface
    EXPORTING
      iid  = 130 "IXML_IID_ELEMENT
    RECEIVING
      rval = g_cast.
  v_obj_a_worksheet_element ?= g_cast.

* Make sure the casting was success
  IF v_obj_a_worksheet_element IS INITIAL.
    WRITE: / 'The Excel workbook does not contain any Worksheets.'.
    EXIT.
  ENDIF.

* Get the value for the attribute ss:Name
  CALL METHOD v_obj_a_worksheet_element->get_attribute
    EXPORTING
      name      = 'Name'
      namespace = 'ss'
    RECEIVING
      rval      = v_worksheet_ss_name.

  CONDENSE v_worksheet_ss_name.

  TRANSLATE v_worksheet_ss_name TO UPPER CASE.

* step  3.3  Loop (1) get each worksheet one by one,
*            Note: it's assumed that the name of the worksheet is
*            same as the table name.

* lets loop through all the Worksheet elements
  DO."Worksheets

*    DATA_COUNT = 0.

    IF sy-index = 1. " Special case for the first
      IF v_worksheet_ss_name = '#QUERY'.
*     get the next element of the iterator.
        CALL METHOD g_obj_worksheet_itr->get_next
          RECEIVING
            rval = v_obj_a_worksheet_node.
      ENDIF.
    ELSE.
*     get the next element of the iterator.
      CALL METHOD g_obj_worksheet_itr->get_next
        RECEIVING
          rval = v_obj_a_worksheet_node.
    ENDIF.


*   Validate of not null before proceeding.
    IF v_obj_a_worksheet_node IS INITIAL.
      EXIT.
    ENDIF.

*   Lets type cast THE NODE OBJECT to ELEMENT OBJECT
    CLEAR g_cast.
    CALL METHOD v_obj_a_worksheet_node->query_interface
      EXPORTING
        iid  = 130 "IXML_IID_ELEMENT
      RECEIVING
        rval = g_cast.
    v_obj_a_worksheet_element ?= g_cast.

*   Make sure the casting was success
    IF v_obj_a_worksheet_element IS INITIAL.
      CONTINUE.
    ENDIF.

*   Get the value for the attribute ss:Name
    CALL METHOD v_obj_a_worksheet_element->get_attribute
      EXPORTING
        name      = 'Name'
        namespace = 'ss'
      RECEIVING
        rval      = v_worksheet_ss_name.

    CONDENSE v_worksheet_ss_name.

*   The worksheet name is empty, so just dont consider
*   that worksheet
    IF v_worksheet_ss_name = ''.
      CONTINUE.
    ENDIF.

*---------------------------------------------------------------------*
*STEP 4:Get the first row of the table element.
*---------------------------------------------------------------------*
*   clear all cached records of the itab
*   IT_EXCEL_FIELD for every new worksheet
    CLEAR: is_excel_field, it_excel_field[].

*   Get the Table element, under the Worksheet.
    CALL METHOD v_obj_a_worksheet_element->find_from_name
      EXPORTING
        name      = 'Table'
        namespace = ''
        depth     = 1
      RECEIVING
        rval      = v_obj_a_table_element.

    IF v_obj_a_table_element IS INITIAL.
      CONTINUE.
    ENDIF.


*   Get all the Row elements
    CALL METHOD v_obj_a_table_element->get_elements_by_tag_name
      EXPORTING
        name = 'Row'
*         NAMESPACE = ''
        depth = 1
      RECEIVING
        rval = v_obj_row_collections.

*   Make sure the collection is valid
    IF v_obj_row_collections IS INITIAL.
      CONTINUE.
    ENDIF.

*   create an iterator for Row elements
    CALL METHOD v_obj_row_collections->create_iterator
      RECEIVING
        rval = v_obj_row_itr.

*   Make sure the iterator is valid.
    IF v_obj_row_itr IS INITIAL.
      CONTINUE.
    ENDIF.

*   Get the first Row element.
    CALL METHOD v_obj_row_itr->get_next
      RECEIVING
        rval = v_obj_a_row_node.

*   Make sure the Row element is valid
    IF v_obj_a_row_node IS INITIAL.
      CONTINUE.
    ENDIF.

*   Lets type cast THE NODE OBJECT to ELEMENT OBJECT
    CLEAR g_cast.
    CALL METHOD v_obj_a_row_node->query_interface
      EXPORTING
        iid  = 130 "IXML_IID_ELEMENT
      RECEIVING
        rval = g_cast.
    v_obj_a_row_element ?= g_cast.

*   Make sure the casting was success
    IF v_obj_a_row_element IS INITIAL.
      CONTINUE.
    ENDIF.


*---------------------------------------------------------------------*
*STEP 5:Get the column names of the current table these are
*       the fields defined under the table and cache them
*       with together with the index.
*       Also take into consideration the fields missing
*       and merging of cells.
*---------------------------------------------------------------------*
*   Get all the Cell elements
    CALL METHOD v_obj_a_row_element->get_elements_by_tag_name
      EXPORTING
        name  = 'Cell'
        depth = 1
      RECEIVING
        rval  = v_obj_cell_collections.

*   Make sure the collection is valid
    IF v_obj_cell_collections IS INITIAL.
      CONTINUE.
    ENDIF.

*   create an iterator for Cell elements
    CALL METHOD v_obj_cell_collections->create_iterator
      RECEIVING
        rval = v_obj_cell_itr.

*   Make sure the iterator is valid.
    IF v_obj_cell_itr IS INITIAL.
      CONTINUE.
    ENDIF.

*   Reset the current Cell index before the first column
*   The first column index is always one (1)
*   Thus to reset it before the first column is value 0
    v_current_cell_index = 0.

*   Reset the merged Cells to 0, which means no
*   cells are merged.
    v_merged_cells = 0.


*   loop through all the Cell elements
    DO.

*     First clear any garbage objects
      CLEAR v_obj_a_cell_node.
      CLEAR v_obj_a_cell_element.

*     Lets skip the index for the merged Cells
      v_current_cell_index =
      v_current_cell_index + v_merged_cells.

*     Get the next Cell element.
      CALL METHOD v_obj_cell_itr->get_next
        RECEIVING
          rval = v_obj_a_cell_node.

*     Make sure the Cell element is valid
      IF v_obj_a_cell_node IS INITIAL.
        EXIT.
      ENDIF.

*     Lets type cast THE NODE OBJECT to ELEMENT OBJECT
      CLEAR g_cast.
      CALL METHOD v_obj_a_cell_node->query_interface
        EXPORTING
          iid  = 130 "IXML_IID_ELEMENT
        RECEIVING
          rval = g_cast.
      v_obj_a_cell_element ?= g_cast.

*     Make sure the casting was success
      IF v_obj_a_cell_element IS INITIAL.
        EXIT.
      ENDIF.

*     Calculate the current absolute Horizontal Index
*     of the cell.

*     First priority is to get any index value mentioned
*     in the Cell as ss:Index attribute.

*     Second priority is to predict based on the prevous
*     value.

*     get the attribute ss:Index of the current Cell element
      v_an_int = 0.
      CALL METHOD v_obj_a_cell_element->get_attribute
        EXPORTING
          name      = 'Index'
          namespace = 'ss'
        RECEIVING
          rval      = v_an_integer_string.

      CONDENSE v_an_integer_string.

*     A Index attribute was received.
      IF v_an_integer_string <> ''.
        CATCH SYSTEM-EXCEPTIONS convt_no_number = 1.
          v_an_int = v_an_integer_string.
        ENDCATCH.
      ENDIF.

*     Make sure a valid index is avaliable
      IF v_an_int > 0.
*       Its visually set in the Excel Cell itself, so use it.
        v_current_cell_index = v_an_int.
      ELSE.
*       no index is mentioned, so assume the next value
        v_current_cell_index = v_current_cell_index + 1.
      ENDIF.


*     if required, cache the number of merged cells,
*     as per the value mentioned in the attribute
*     ss:MergeAcross.
*
*     This can definitly occur when two or more cells
*     are merged into one.

*     Lets first assume there is no merged Cells
      v_merged_cells = 0.

*     get the attribute ss:MergeAcross of the current
*     Cell element
      v_an_int = 0.

      CALL METHOD v_obj_a_cell_element->get_attribute
        EXPORTING
          name      = 'MergeAcross'
          namespace = 'ss'
        RECEIVING
          rval      = v_an_integer_string.

      CONDENSE v_an_integer_string.

*     A MergeAcross attribute was received.
      IF v_an_integer_string <> ''.
        CATCH SYSTEM-EXCEPTIONS convt_no_number = 1.
          v_an_int = v_an_integer_string.
        ENDCATCH.
      ENDIF.

*     Make sure a valid MergeAcross attribute is avaliable
      IF v_an_int > 0.
        v_merged_cells = v_an_int.
      ELSE.
        v_merged_cells = 0.
      ENDIF.


*     get the Data element under the Cell element.
      CALL METHOD v_obj_a_cell_element->find_from_name
        EXPORTING
          name = 'Data'
*            namespace = ''
          depth = 1
        RECEIVING
          rval = v_obj_a_data_element.

      IF v_obj_a_data_element IS INITIAL.
        CONTINUE.
      ENDIF.

*     get the text element under the Data element.
      CALL METHOD v_obj_a_data_element->get_children
        RECEIVING
          rval = v_obj_text_lst.

      IF v_obj_text_lst IS INITIAL.
        CONTINUE.
      ENDIF.

*     Create an iterator
      CALL METHOD v_obj_text_lst->create_iterator
        RECEIVING
          rval = v_obj_text_itr.

      IF v_obj_text_itr IS INITIAL.
        CONTINUE.
      ENDIF.

      v_txt_val = ''.
      DO.
*       get the next element of the iterator.
        CALL METHOD v_obj_text_itr->get_next
          RECEIVING
            rval = v_obj_a_txt_node.

*       Validate of not null before proceeding.
        IF v_obj_a_txt_node IS INITIAL.
          EXIT.
        ENDIF.

*       Get the current node type
        CALL METHOD v_obj_a_txt_node->get_type
          RECEIVING
            rval = v_txt_type.

*       We are only concentrating on text type nodes
        IF v_txt_type <> if_ixml_node=>co_node_text.
          CONTINUE.
        ENDIF.

*       We are only expecting one text node.
*       If the DOM id is parsed from a document, only
*       one text node will be present.

*       Also its not standard to add more than one
*       text nodes
        CALL METHOD v_obj_a_txt_node->get_value
          RECEIVING
            rval = v_txt_val.
        EXIT.
      ENDDO.

      CONDENSE v_txt_val.

*     Make sure the field name is not empty
      IF v_txt_val = ''.
        CONTINUE.
      ENDIF.

*     cache these values in the itab IT_EXCEL_FIELD
*     with excel index as the master key for the field name
*     resolving.
      CLEAR is_excel_field.
      is_excel_field-excel_index = v_current_cell_index.
      is_excel_field-field_name = v_txt_val.

      INSERT is_excel_field INTO TABLE it_excel_field.


    ENDDO.


    IF NOT it_excel_field[] IS INITIAL.

* Loop (2) through all the remaining rows of the
*          Current table.
      DO.

*       Clear any previous header field details.
        LOOP AT it_excel_field INTO is_excel_field.
          CLEAR is_excel_field-field_value.
          MODIFY it_excel_field FROM is_excel_field INDEX sy-tabix.
        ENDLOOP.


*       Clear an previous values
        CLEAR v_obj_a_row_node.
        CLEAR v_obj_a_row_element.

*       Get the next row node
        CALL METHOD v_obj_row_itr->get_next
          RECEIVING
            rval = v_obj_a_row_node.

*       Make sure the Row element is valid
        IF v_obj_a_row_node IS INITIAL.
          EXIT.
        ENDIF.

*       Lets type cast THE NODE OBJECT to ELEMENT OBJECT
*        V_OBJ_A_ROW_ELEMENT ?=
*        V_OBJ_A_ROW_NODE->QUERY_INTERFACE( IXML_IID_ELEMENT ).


        CLEAR g_cast.
        CALL METHOD v_obj_a_row_node->query_interface
          EXPORTING
            iid  = 130 "IXML_IID_ELEMENT
          RECEIVING
            rval = g_cast.
        v_obj_a_row_element ?= g_cast.

*       Make sure the casting was success
        IF v_obj_a_row_element IS INITIAL.
          CONTINUE.
        ENDIF.

*       Loop through each Cell/Data element.

*       Clear any garbage objects
        CLEAR v_obj_cell_collections.
        CLEAR v_obj_cell_itr.

*       Get all the Cell elements
        CALL METHOD v_obj_a_row_element->get_elements_by_tag_name
          EXPORTING
            name = 'Cell'
*           NAMESPACE = ''
            depth = 1
          RECEIVING
            rval = v_obj_cell_collections.

*       Make sure the collection is valid
        IF v_obj_cell_collections IS INITIAL.
          CONTINUE.
        ENDIF.

*       create an iterator for Cell elements
        CALL METHOD v_obj_cell_collections->create_iterator
          RECEIVING
            rval = v_obj_cell_itr.

*       Make sure the iterator is valid.
        IF v_obj_cell_itr IS INITIAL.
          CONTINUE.
        ENDIF.

*       Reset the current Cell index before the first column
*       The first column index is always one (1)
*       Thus to reset it before the first column is value 0
        v_current_cell_index = 0.

*       Reset the merged Cells to 0, which means no
*       cells are merged.
        v_merged_cells = 0.


*       loop(3) through all the Cell elements
        DO.

*         Lets skip the index for the merged Cells
          v_current_cell_index =
          v_current_cell_index + v_merged_cells.

*         First clear any garbage objects
          CLEAR v_obj_a_cell_node.
          CLEAR v_obj_a_cell_element.

*         Get the next Cell element.
          CALL METHOD v_obj_cell_itr->get_next
            RECEIVING
              rval = v_obj_a_cell_node.

*         Make sure the Cell element is valid
          IF v_obj_a_cell_node IS INITIAL.
            EXIT.
          ENDIF.

*         Lets type cast THE NODE OBJECT to ELEMENT OBJECT
*          V_OBJ_A_CELL_ELEMENT ?=
*          V_OBJ_A_CELL_NODE->QUERY_INTERFACE( IXML_IID_ELEMENT ).


          CLEAR g_cast.
          CALL METHOD v_obj_a_cell_node->query_interface
            EXPORTING
              iid  = 130 "IXML_IID_ELEMENT
            RECEIVING
              rval = g_cast.
          v_obj_a_cell_element ?= g_cast.

*         Make sure the casting was success
          IF v_obj_a_cell_element IS INITIAL.
            EXIT.
          ENDIF.


*         Calculate the current absolute Horizontal Index
*         of the cell.

*         First priority is to get any index value mentioned
*         in the Cell as ss:Index attribute.

*         Second priority is to predict based on the prevous
*         value.

*         get the attribute ss:Index of the current Cell element
          v_an_int = 0.
          CALL METHOD v_obj_a_cell_element->get_attribute
            EXPORTING
              name      = 'Index'
              namespace = 'ss'
            RECEIVING
              rval      = v_an_integer_string.

          CONDENSE v_an_integer_string.

*         A Index attribute was received.
          IF v_an_integer_string <> ''.
            CATCH SYSTEM-EXCEPTIONS convt_no_number = 1.
              v_an_int = v_an_integer_string.
            ENDCATCH.
          ENDIF.

*         Make sure a valid index is avaliable
          IF v_an_int > 0.
*           Its visually set in the Excel Cell itself, so use it.
            v_current_cell_index = v_an_int.
          ELSE.
*           no index is mentioned, so assume the next value
            v_current_cell_index = v_current_cell_index + 1.
          ENDIF.

*         if required, cache the number of merged cells,
*         as per the value mentioned in the attribute
*         ss:MergeAcross.
*
*         This can definitly occur when two or more cells
*         are merged into one.


*         Lets first assume there is no merged Cells
          v_merged_cells = 0.

*         get the attribute ss:MergeAcross of the current
*         Cell element
          v_an_int = 0.

          CALL METHOD v_obj_a_cell_element->get_attribute
            EXPORTING
              name      = 'MergeAcross'
              namespace = 'ss'
            RECEIVING
              rval      = v_an_integer_string.

          CONDENSE v_an_integer_string.

*         A MergeAcross attribute was received.
          IF v_an_integer_string <> ''.
            CATCH SYSTEM-EXCEPTIONS convt_no_number = 1.
              v_an_int = v_an_integer_string.
            ENDCATCH.
          ENDIF.

*         Make sure a valid MergeAcross attribute is avaliable
          IF v_an_int > 0.
            v_merged_cells = v_an_int.
          ELSE.
            v_merged_cells = 0.
          ENDIF.


*         Resolve the field id based on its Horizontal Index
*         from the itab IT_EXCEL_FIELD.


*         get the Data element under the Cell element.
          CALL METHOD v_obj_a_cell_element->find_from_name
            EXPORTING
              name = 'Data'
*              namespace = ''
              depth = 1
            RECEIVING
              rval = v_obj_a_data_element.

          IF v_obj_a_data_element IS INITIAL.
            CONTINUE.
          ENDIF.

*         get the text element under the Data element.
          CALL METHOD v_obj_a_data_element->get_children
            RECEIVING
              rval = v_obj_text_lst.

          IF v_obj_text_lst IS INITIAL.
            CONTINUE.
          ENDIF.

*         Create an iterator
          CALL METHOD v_obj_text_lst->create_iterator
            RECEIVING
              rval = v_obj_text_itr.

          IF v_obj_text_itr IS INITIAL.
            CONTINUE.
          ENDIF.

          v_txt_val = ''.
          DO.

*           get the next element of the iterator.
            CALL METHOD v_obj_text_itr->get_next
              RECEIVING
                rval = v_obj_a_txt_node.

*           Validate of not null before proceeding.
            IF v_obj_a_txt_node IS INITIAL.
              EXIT.
            ENDIF.

*           Get the current node type
            CALL METHOD v_obj_a_txt_node->get_type
              RECEIVING
                rval = v_txt_type.

*           We are only concentrating on text type nodes
            IF v_txt_type <> if_ixml_node=>co_node_text.
              CONTINUE.
            ENDIF.

*           We are only expecting one text node.
*           If the DOM id is parsed from a document, only
*           one text node will be present.

*           Also its not standard to add more than one
*           text nodes
            CALL METHOD v_obj_a_txt_node->get_value
              RECEIVING
                rval = v_txt_val.
            EXIT.
          ENDDO.

          CONDENSE v_txt_val.

*         Make sure the field name is not empty
          IF v_txt_val = ''.
            CONTINUE.
          ENDIF.

*         Clear any previous header line
          CLEAR is_excel_field.

*         Read the table IT_EXCEL_FIELD for the
*         corrosponding entry.
          READ TABLE it_excel_field INTO is_excel_field
          WITH KEY excel_index = v_current_cell_index
          BINARY SEARCH.

*         Make sure the read was success
          IF sy-subrc <> 0.
            CONTINUE.
          ENDIF.

          CLEAR is_excel_field-field_value.
          is_excel_field-field_value = v_txt_val.
          MODIFY it_excel_field FROM is_excel_field
          INDEX v_current_cell_index.

*         Endo of loop (3)
        ENDDO.


*---------------------------------------------------------------------*
*STEP 6:
*At this stage, we have all the XML data in the internal table
*IT_EXCEL_FIELD. Now, populate the internal tables representing
*individual data dictionary objects.
*---------------------------------------------------------------------*
        CLEAR is_excel_field.
        READ TABLE it_excel_field INTO is_excel_field INDEX 1.
        IF sy-subrc = 0.

*If the data corresponds to DOMAINS
          IF is_excel_field-field_name = 'DOMNAME'.

*Loop over the Excel table and
*populate the internal tables representing DOMAINS
            CLEAR is_excel_field.
            LOOP AT it_excel_field INTO is_excel_field.

              CONCATENATE 'IS_DOMAINS-' is_excel_field-field_name
              INTO line.
              UNASSIGN <fs_value>.
              ASSIGN (line) TO <fs_value>.
              IF <fs_value> IS ASSIGNED.

                <fs_value> = is_excel_field-field_value.

              ENDIF.

            ENDLOOP.

            APPEND is_domains TO it_domains.
            CLEAR is_domains.


            CLEAR is_excel_field.
            LOOP AT it_excel_field INTO is_excel_field.

              CONCATENATE 'IS_DOMA_VALUES-' is_excel_field-field_name
              INTO line.
              UNASSIGN <fs_value>.
              ASSIGN (line) TO <fs_value>.
              IF <fs_value> IS ASSIGNED.

                <fs_value> = is_excel_field-field_value.

              ENDIF.

            ENDLOOP.

            APPEND is_doma_values TO it_doma_values.
            CLEAR is_doma_values.

          ENDIF. "IT_EXCEL_FIELD-FIELD_NAME = 'DOMANAME'

*If the data corresponds to DATAELEMENTS
          IF is_excel_field-field_name = 'ROLLNAME'.

*Loop over the Excel table and
*populate the internal tables representing DATA ELEMENTS
            CLEAR is_excel_field.
            LOOP AT it_excel_field INTO is_excel_field.

              CONCATENATE 'IS_DATAELEMENTS-' is_excel_field-field_name
              INTO line.
              UNASSIGN <fs_value>.
              ASSIGN (line) TO <fs_value>.
              IF <fs_value> IS ASSIGNED.

                <fs_value> = is_excel_field-field_value.

              ENDIF.

            ENDLOOP.

            APPEND is_dataelements TO it_dataelements.
            CLEAR is_dataelements.


          ENDIF. "IT_EXCEL_FIELD-FIELD_NAME = 'DTELNAME'.

*If the data corresponds to TABLES
          IF is_excel_field-field_name = 'TABNAME'.

*Loop over the Excel table and
*populate the internal tables representing TABLES
            CLEAR is_excel_field.
            LOOP AT it_excel_field INTO is_excel_field.

              CONCATENATE 'IS_TABLES-' is_excel_field-field_name
              INTO line.
              UNASSIGN <fs_value>.
              ASSIGN (line) TO <fs_value>.
              IF <fs_value> IS ASSIGNED.

                <fs_value> = is_excel_field-field_value.

              ENDIF.

            ENDLOOP.

            APPEND is_tables TO it_tables.
            CLEAR is_tables.

            CLEAR is_excel_field.
            LOOP AT it_excel_field INTO is_excel_field.

              CONCATENATE 'IS_TABL_TECHNICS-' is_excel_field-field_name
              INTO line.
              UNASSIGN <fs_value>.
              ASSIGN (line) TO <fs_value>.
              IF <fs_value> IS ASSIGNED.

                <fs_value> = is_excel_field-field_value.

              ENDIF.

            ENDLOOP.

            APPEND is_tabl_technics TO it_tabl_technics.
            CLEAR is_tabl_technics.


            CLEAR is_excel_field.
            LOOP AT it_excel_field INTO is_excel_field.

              CONCATENATE 'IS_TABL_FIELDS-' is_excel_field-field_name
              INTO line.
              UNASSIGN <fs_value>.
              ASSIGN (line) TO <fs_value>.
              IF <fs_value> IS ASSIGNED.

                <fs_value> = is_excel_field-field_value.

              ENDIF.

            ENDLOOP.

            APPEND is_tabl_fields TO it_tabl_fields.
            CLEAR is_tabl_fields.


          ENDIF. "IT_EXCEL_FIELD-FIELD_NAME = 'TABLNAME'.


        ENDIF. "READ TABLE IT_EXCEL_FIELD


      ENDDO.

    ENDIF. "IF NOT IT_EXCEL_FIELD[] IS INITIAL.

  ENDDO."Worksheets

*---------------------------------------------------------------------*
*STEP 7: Perform Data readiness
*---------------------------------------------------------------------*
*Delete duplicates
  DELETE ADJACENT DUPLICATES FROM it_tables COMPARING tabname.
  DELETE ADJACENT DUPLICATES FROM it_tabl_technics COMPARING tabname.

  DELETE it_tables WHERE tabname = space.
  DELETE it_tabl_technics WHERE tabname = space.

*The table category is always TRANSPARANT.
  CLEAR:is_tables.
  LOOP AT it_tables INTO is_tables.
    is_tables-tabclass = 'TRANSP'.
    MODIFY it_tables INDEX sy-tabix FROM is_tables.
  ENDLOOP.

*Sort data by object name
  SORT it_domains BY domname.
  SORT it_doma_values BY domname.
  SORT it_dataelements BY rollname.

  SORT it_tables BY tabname.
  SORT it_tabl_technics BY tabname.
  SORT it_tabl_fields BY tabname position.

ENDFORM.                    "F004_GET_FILE_DATA

*---------------------------------------------------------------------*
*F007_CREATE_DOMAINS.
*---------------------------------------------------------------------*
FORM f007_create_domains.

  DATA: ls_return TYPE coms_return.

  CLEAR:is_domains, v_ext.
  LOOP AT it_domains INTO is_domains.

    CLEAR: ls_return.
*Check whether domain exists or not
    CALL FUNCTION 'DD_CHECK_NAME'
      EXPORTING
        name       = is_domains-domname
        objtyp     = 'DOMA'
      IMPORTING
        obj_exists = v_ext.

*If domain exists, populate information message
    IF v_ext EQ c_x.
      CLEAR v_text.
      v_text = 'Already Created'.
      v_msgid = space.
      v_msgty = 'I'.
      v_msgno = space.
      v_msgv1 = 'R3TR'.
      v_msgv2 = 'DOMA'.
      v_msgv3 = is_domains-domname.
      v_msgv4 = space.
      PERFORM f012_populate_messages
       USING
         v_msgid
         v_msgty
         v_msgno
         v_msgv1
         v_msgv2
         v_msgv3
         v_msgv4
         v_text.
    ENDIF.

*If domain doesn't exist
    IF v_ext <> c_x.
      CLEAR: v_create.
      v_create = c_yes.
    ENDIF. "V_EXT <> C_X

*Create the domain
    IF v_create = c_yes.

*Get domain attributes
      CLEAR is_domains_tmp.
      MOVE is_domains TO is_domains_tmp.

*Get domain range of values
*        CLEAR:IS_DOMA_VALUES.
*        LOOP AT IT_DOMA_VALUES INTO IS_DOMA_VALUES
*           WHERE DOMNAME = IS_DOMAINS-DOMNAME.
*             
*          APPEND IS_DOMA_VALUES TO IT_DOMA_VALUES_TMP.
*
*        ENDLOOP.

* Create domain
      CALL FUNCTION 'COM_GEN_DOMAIN_CREATE'
        EXPORTING
          iv_domain_name = is_domains-domname
          iv_devclass    = '$TMP'
          iv_activate    = 'X'
          is_dd01v       = is_domains_tmp
          it_dd07v       = it_doma_values_tmp
          iv_genflag     = 'T'
        IMPORTING
          es_return      = ls_return.

*Populate success message
      IF ls_return-type NE 'E'.
        CLEAR v_text.
        v_text = 'Created Successfully'.
        v_msgid = space.
        v_msgty = 'S'.
        v_msgno = space.
        v_msgv1 = 'R3TR'.
        v_msgv2 = 'DOMA'.
        v_msgv3 = is_domains-domname.
        v_msgv4 = space.
        PERFORM f012_populate_messages
         USING
           v_msgid
           v_msgty
           v_msgno
           v_msgv1
           v_msgv2
           v_msgv3
           v_msgv4
           v_text.
      ENDIF.

*Populate messages
      IF ls_return-type EQ 'E'.
        CLEAR v_text.
        PERFORM f012_populate_messages
         USING
           ls_return-id
           ls_return-type
           ls_return-number   
           ls_return-message_v1
           ls_return-message_v2
           ls_return-message_v3
           ls_return-message_v4
           v_text.
      ENDIF.

    ENDIF. "V_CREATE = C_YES

    CLEAR: it_doma_values_tmp, it_doma_values_tmp[].
    CLEAR: v_create.

  ENDLOOP. "IT_DOMAINS

  CLEAR: is_domains_tmp, it_domains, it_domains[].

ENDFORM.                    "F007_CREATE_DOMAINS

*---------------------------------------------------------------------*
*F008_CREATE_DATAELEMENTS.
*---------------------------------------------------------------------*
FORM f008_create_dataelements.

  DATA: ls_return TYPE coms_return.

  CLEAR: is_dataelements, v_ext.
  LOOP AT it_dataelements INTO is_dataelements.

*Check whether data element exists or not
    CALL FUNCTION 'DD_CHECK_NAME'
      EXPORTING
        name       = is_dataelements-rollname
        objtyp     = 'DTEL'
      IMPORTING
        obj_exists = v_ext.

*If exists, populate information message
    IF v_ext EQ c_x.
      CLEAR v_text.
      v_text = 'Already Created'.
      v_msgid = space.
      v_msgty = 'I'.
      v_msgno = space.
      v_msgv1 = 'R3TR'.
      v_msgv2 = 'DTEL'.
      v_msgv3 = is_dataelements-rollname.
      v_msgv4 = space.
      PERFORM f012_populate_messages
       USING
         v_msgid
         v_msgty
         v_msgno
         v_msgv1
         v_msgv2
         v_msgv3
         v_msgv4
         v_text.
    ENDIF.

*If data element doesn't exist
    IF v_ext <> c_x.
      CLEAR: v_create.
      v_create = c_yes.
    ENDIF. "V_EXT <> C_X

    IF v_create = c_yes.

*Get data element attributes
      CLEAR: is_dataelements_tmp.
      MOVE is_dataelements  TO is_dataelements_tmp.

*Check if the domain exists, if not throw error
      CLEAR: v_exist.

      CALL FUNCTION 'DD_CHECK_NAME'
        EXPORTING
          name       = is_dataelements_tmp-domname
          objtyp     = 'DOMA'
        IMPORTING
          obj_exists = v_exist.

*If domain does not exist
      IF v_exist = c_space.
        CLEAR:line, v_text.
        CONCATENATE 'Domain' is_dataelements_tmp-domname
                    'does not exist to create Data Element'
                    is_dataelements-rollname
                    INTO line SEPARATED BY space.

        v_text = line.
        v_msgv3 = is_dataelements-rollname.
        PERFORM f012_populate_messages
         USING
           space
           'E'
           v_msgno   
           'R3TR'
           'DTEL'
           v_msgv3
           v_msgv4
           v_text.
      ENDIF.

*If domain exists
      IF v_exist = c_x.

*Create data element
        CLEAR: ls_return.     
        CALL FUNCTION 'COM_GEN_DATAELEMENT_CREATE'
          EXPORTING
            iv_dtel_name = is_dataelements-rollname
            iv_devclass  = '$TMP'
            iv_activate  = 'X'
            is_dd04v     = is_dataelements_tmp
          IMPORTING
            es_return    = ls_return.

*Populate success message
        IF ls_return-type NE 'E'.
          CLEAR v_text.
          v_text = 'Created Successfully'.
          v_msgid = space.
          v_msgty = 'S'.
          v_msgno = space.
          v_msgv1 = 'R3TR'.
          v_msgv2 = 'DATE'.
          v_msgv3 = is_dataelements-rollname.
          v_msgv4 = space.
          PERFORM f012_populate_messages
           USING
             v_msgid
             v_msgty
             v_msgno
             v_msgv1
             v_msgv2
             v_msgv3
             v_msgv4
             v_text.
        ENDIF.

*Populate messages
        IF ls_return-type EQ 'E'.
          CLEAR v_text.
          PERFORM f012_populate_messages
           USING
             ls_return-id
             ls_return-type
             ls_return-number   
             ls_return-message_v1
             ls_return-message_v2
             ls_return-message_v3
             ls_return-message_v4
           v_text.
        ENDIF.

      ENDIF. "V_EXIST = C_X

    ENDIF. "V_CREATE = C_YES

  ENDLOOP. "IT_DATAELEMENTS

  CLEAR: it_dataelements, it_dataelements[], is_dataelements_tmp.

ENDFORM.                    "F008_CREATE_DATAELEMENTS

*---------------------------------------------------------------------*
*F009_CREATE_TABLES.
*---------------------------------------------------------------------*
FORM f009_create_tables.

  DATA: ls_return TYPE coms_return.

  CLEAR:is_tables, v_ext.
  LOOP AT it_tables INTO is_tables.

    CLEAR:v_table_name_check.
    v_table_name_check = is_tables-tabname.

*Check whether table exists or not
    CALL FUNCTION 'DD_CHECK_NAME'
      EXPORTING
        name       = v_table_name_check
        objtyp     = 'TABL'
      IMPORTING
        obj_exists = v_ext.

*If exists, populate information message
    IF v_ext EQ c_x.
      CLEAR v_text.
      v_text = 'Already Created'.
      v_msgid = space.
      v_msgty = 'I'.
      v_msgno = space.
      v_msgv1 = 'R3TR'.
      v_msgv2 = 'TABL'.
      v_msgv3 = v_table_name_check.
      v_msgv4 = space.
      PERFORM f012_populate_messages
       USING
         v_msgid
         v_msgty
         v_msgno
         v_msgv1
         v_msgv2
         v_msgv3
         v_msgv4
         v_text.
    ENDIF.

*If table doesn't exist
    IF v_ext <> c_x.
      CLEAR: v_create.
      v_create = c_yes.
    ENDIF. "V_EXT <> C_X

    IF v_create = c_yes.

*Get table header information
      CLEAR: it_tabl_inf_tmp.
      MOVE is_tables TO it_tabl_inf_tmp.

*Get table technics
      CLEAR: is_tabl_technics, is_tabl_technics_tmp.
      READ TABLE it_tabl_technics INTO is_tabl_technics WITH KEY tabname = is_tables-tabname.
      IF sy-subrc = 0.
        MOVE is_tabl_technics TO is_tabl_technics_tmp.
      ENDIF.

*Get table fields
      LOOP AT it_tabl_fields INTO is_tabl_fields
      WHERE tabname = is_tables-tabname.
        APPEND is_tabl_fields TO it_tabl_fields_tmp.
        CLEAR is_tabl_fields.
      ENDLOOP.

*Check if all the data elements exists or not
      CLEAR: v_exist.
      LOOP AT it_tabl_fields_tmp INTO is_tabl_fields.

        CLEAR:v_exist.
        CALL FUNCTION 'DD_CHECK_NAME'
          EXPORTING
            name       = is_tabl_fields-rollname
            objtyp     = 'DTEL'
          IMPORTING
            obj_exists = v_exist.

        IF v_exist = c_x.

          CONTINUE.

        ELSE.

          CLEAR:line, v_text.
          CONCATENATE 'Data Element' is_tabl_fields-rollname
                      'does not exist to create Table'
                      is_tabl_fields-tabname
                      INTO line SEPARATED BY space.

          v_text = line.
          v_msgv3 = is_tabl_fields-tabname.
          PERFORM f012_populate_messages
           USING
             space
             'E'
             v_msgno   
             'R3TR'
             'TABL'
             v_msgv3
             v_msgv4
             v_text.

          EXIT.

        ENDIF.

      ENDLOOP. "IT_TABL_FIELDS_TMP
      CLEAR: is_tabl_fields.

*If all data elements exist
      IF v_exist = c_x.

*Create tables
        CLEAR: ls_return.
        CALL FUNCTION 'COM_GEN_DBTABLE_CREATE'
          EXPORTING
            iv_dbtable_name = is_tables-tabname
            iv_devclass     = '$TMP'
            iv_activate     = 'X'
            it_dd03p        = it_tabl_fields_tmp
            is_dd02v        = it_tabl_inf_tmp
            is_dd09l        = is_tabl_technics_tmp
            iv_genflag      = 'T'
          IMPORTING
            es_return       = ls_return.

*Populate success message
        IF ls_return-type NE 'E'.
          CLEAR v_text.
          v_text = 'Created Successfully'.
          v_msgid = space.
          v_msgty = 'S'.
          v_msgno = space.
          v_msgv1 = 'R3TR'.
          v_msgv2 = 'TABL'.
          v_msgv3 = is_tables-tabname.
          v_msgv4 = space.
          PERFORM f012_populate_messages
           USING
             v_msgid
             v_msgty
             v_msgno
             v_msgv1
             v_msgv2
             v_msgv3
             v_msgv4
             v_text.
        ENDIF.

        IF ls_return-type EQ 'E'.
          CLEAR v_text.
          PERFORM f012_populate_messages
           USING
             ls_return-id
             ls_return-type
             ls_return-number   
             ls_return-message_v1
             ls_return-message_v2
             ls_return-message_v3
             ls_return-message_v4
           v_text.
        ENDIF.

      ENDIF. "V_EXIST = C_X

    ENDIF. "V_CREATE = C_YES

    CLEAR:it_tabl_fields_tmp,it_tabl_inf_tmp, is_tabl_technics_tmp.
    REFRESH:it_tabl_fields_tmp.

  ENDLOOP. "IT_TABLES

ENDFORM.                    "F009_CREATE_TABLES

*---------------------------------------------------------------------*
*      Form  F011_DISPLAY_MESSAGES
*---------------------------------------------------------------------*
FORM f011_display_messages.

  DATA: lt_fieldcat TYPE slis_t_fieldcat_alv,
        ls_fieldcat TYPE slis_fieldcat_alv.
  DATA: lv_repid TYPE sy-repid.

  lv_repid = sy-repid.

  IF it_messages IS INITIAL.
    MESSAGE i002(sy) WITH 'No data available for processing'.
    LEAVE PROGRAM.
  ENDIF.

  IF NOT it_messages IS INITIAL.

    ls_fieldcat-col_pos = 1.
    ls_fieldcat-fieldname = 'MANDT'.
    ls_fieldcat-seltext_l = 'Client'.
    ls_fieldcat-outputlen = 7.
    APPEND ls_fieldcat TO lt_fieldcat.

    ls_fieldcat-col_pos = 2.
    ls_fieldcat-fieldname = 'MSGID'.
    ls_fieldcat-seltext_l = 'Message ID'.
    ls_fieldcat-outputlen = 12.
    APPEND ls_fieldcat TO lt_fieldcat.

    ls_fieldcat-col_pos = 3.
    ls_fieldcat-fieldname = 'MSGTY'.
    ls_fieldcat-seltext_l = 'Type'.
    ls_fieldcat-outputlen = 5.
    APPEND ls_fieldcat TO lt_fieldcat.

    ls_fieldcat-col_pos = 4.
    ls_fieldcat-fieldname = 'MSGNO'.
    ls_fieldcat-seltext_l = 'Number'.
    ls_fieldcat-outputlen = 7.
    APPEND ls_fieldcat TO lt_fieldcat.

    ls_fieldcat-col_pos = 5.
    ls_fieldcat-fieldname = 'MSGV1'.
    ls_fieldcat-seltext_l = 'Variable 1'.
    ls_fieldcat-outputlen = 15.
    APPEND ls_fieldcat TO lt_fieldcat.

    ls_fieldcat-col_pos = 6.
    ls_fieldcat-fieldname = 'MSGV2'.
    ls_fieldcat-seltext_l = 'Variable 2'.
    ls_fieldcat-outputlen = 15.
    APPEND ls_fieldcat TO lt_fieldcat.

    ls_fieldcat-col_pos = 7.
    ls_fieldcat-fieldname = 'MSGV3'.
    ls_fieldcat-seltext_l = 'Variable 3'.
    ls_fieldcat-outputlen = 15.
    APPEND ls_fieldcat TO lt_fieldcat.

    ls_fieldcat-col_pos = 8.
    ls_fieldcat-fieldname = 'MSGV4'.
    ls_fieldcat-seltext_l = 'Variable 4'.
    ls_fieldcat-outputlen = 15.
    APPEND ls_fieldcat TO lt_fieldcat.

    ls_fieldcat-col_pos = 9.
    ls_fieldcat-fieldname = 'TEXT'.
    ls_fieldcat-seltext_l = 'Text'.
    ls_fieldcat-outputlen = 50.
    APPEND ls_fieldcat TO lt_fieldcat.

*List display
    CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
      EXPORTING
        i_callback_program = lv_repid
        i_grid_title       = 'Messages'
        it_fieldcat        = lt_fieldcat
      TABLES
        t_outtab           = it_messages.

  ENDIF.

ENDFORM.                    "F011_DISPLAY_MESSAGES

*--------------------------------------------------------------------*
*      Form  F012_POPULATE_MESSAGES
*--------------------------------------------------------------------*
FORM  f012_populate_messages  USING v_msgid TYPE sy-msgid
                                    v_msgty TYPE sy-msgty
                                    v_msgno TYPE sy-msgno
                                    v_msgv1 TYPE sy-msgv1
                                    v_msgv2 TYPE sy-msgv2
                                    v_msgv3 TYPE sy-msgv3
                                    v_msgv4 TYPE sy-msgv4
                                    v_text TYPE any.

*If message text is not available
  IF v_text = c_space.

    is_messages-mandt = sy-mandt.
    is_messages-msgid = v_msgid.
    is_messages-msgty = v_msgty.
    is_messages-msgno = v_msgno.
    is_messages-msgv1 = v_msgv1.
    is_messages-msgv2 = v_msgv2.
    is_messages-msgv3 = v_msgv3.
    is_messages-msgv4 = v_msgv4.

*Build the message text
    CALL FUNCTION 'FORMAT_MESSAGE'
      EXPORTING
        id        = v_msgid
        lang      = 'E'
        no        = v_msgno
        v1        = v_msgv1
        v2        = v_msgv2
        v3        = v_msgv3
        v4        = v_msgv4
      IMPORTING
        msg       = is_messages-text
      EXCEPTIONS
        not_found = 1
        OTHERS    = 2.

    IF sy-subrc <> 0 OR is_messages-text = c_space.
      is_messages-text = 'MESSAGE TEXT NOT FOUND'.
    ENDIF.

    APPEND is_messages TO it_messages.
    CLEAR is_messages.

  ELSE. "V_TEXT = C_SPACE

    is_messages-mandt = sy-mandt.
    is_messages-msgid = v_msgid.
    is_messages-msgty = v_msgty.
    is_messages-msgno = v_msgno.
    is_messages-msgv1 = v_msgv1.
    is_messages-msgv2 = v_msgv2.
    is_messages-msgv3 = v_msgv3.
    is_messages-msgv4 = v_msgv4.
    is_messages-text  = v_text.

    APPEND is_messages TO it_messages.
    CLEAR is_messages.

  ENDIF. "V_TEXT = C_SPACE.

ENDFORM.                    "F012_POPULATE_MESSAGES

*&---------------------------------------------------------------------*
*&      Form  F_FILE_CHECK
*&---------------------------------------------------------------------*
FORM f_file_check.

*Input file should not be blank
  IF p_file = c_space.
    SET CURSOR FIELD 'P_FILE'.
    MESSAGE e002(sy) WITH 'Enter Input File Name!'.
  ENDIF.

ENDFORM.                    " F_FILE_CHECK
*&---------------------------------------------------------------------*
*&      Form  f_top_of_page
*&---------------------------------------------------------------------*
FORM f_top_of_page.
  CLEAR:line.
  CONCATENATE 'Customized Database Tables Generation by'
              sy-uname
              INTO line SEPARATED BY space.
  WRITE :/ line.
  WRITE :/10 'DATE:',sy-datum.

ENDFORM.      " F_TOP_OF_PAGE
*&---------------------------------------------------------------------*
*&      Form  f_end_of_page
*&---------------------------------------------------------------------*

FORM f_end_of_page.
  WRITE:sy-uline(90).
  WRITE:/30 'PAGE:',sy-pagno CENTERED.

ENDFORM.     " F_END_OF_PAGE

*&---------------------------------------------------------------------*
*&      Form  F_FREE_MEMORY
*&---------------------------------------------------------------------*
FORM f_free_memory.

*Clear internal tables.
  CLEAR:
  it_tables,
  it_tabl_inf_tmp,
  it_tabl_technics,
  is_tabl_technics_tmp,
  it_tabl_fields,
  it_tabl_fields_tmp,
  it_domains,
  is_domains_tmp,
  it_doma_values,
  it_doma_values_tmp,
  it_dataelements,
  is_dataelements_tmp,
  it_messages.


*Refresh internal tables
  REFRESH:
  it_tables,
  it_tabl_technics,
  it_tabl_fields,
  it_tabl_fields_tmp,
  it_domains,
  it_doma_values,
  it_doma_values_tmp,
  it_dataelements,
  it_messages.


*Free internal tables/work areas
  FREE:
  it_tables,
  it_tabl_inf_tmp,
  it_tabl_technics,
  is_tabl_technics_tmp,
  it_tabl_fields,
  it_tabl_fields_tmp,
  it_domains,
  is_domains_tmp,
  it_doma_values,
  it_doma_values_tmp,
  it_dataelements,
  is_dataelements_tmp,
  it_messages.


*Clear variables
  CLEAR:
  v_msgid ,
  v_msgty,
  v_msgno,
  v_msgv1,
  v_msgv2,
  v_msgv3,
  v_msgv4,
  v_text,
  line,
  v_table_name_check,
  v_ext,
  v_exist.

*Free variables
  FREE:
  v_msgid ,
  v_msgty,
  v_msgno,
  v_msgv1,
  v_msgv2,
  v_msgv3,
  v_msgv4,
  v_text,
  line,
  v_table_name_check,
  v_ext,
  v_exist.

*Unassign field symbols
  UNASSIGN <fs_value>.

ENDFORM.                    " F_FREE_MEMORY
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