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Add ABAP

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René
2013-03-06 09:24:42 +01:00
parent 6b6f5eaaff
commit c5bb287c74
2 changed files with 224 additions and 0 deletions
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5
lib/linguist/languages.yml
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@@ -24,6 +24,11 @@
#
# Please keep this list alphabetized.
ABAP:
type: programming
lexer: ABAP
primary_extension: .abap
ASP:
type: programming
color: "#6a40fd"

219
samples/ABAP/cl_csv_parser.abap Normal file
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@@ -0,0 +1,219 @@
*/**
* The MIT License (MIT)
* Copyright (c) 2012 René van Mil
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
*----------------------------------------------------------------------*
* CLASS CL_CSV_PARSER DEFINITION
*----------------------------------------------------------------------*
*
*----------------------------------------------------------------------*
class cl_csv_parser definition
public
inheriting from cl_object
final
create public .
public section.
*"* public components of class CL_CSV_PARSER
*"* do not include other source files here!!!
type-pools abap .
methods constructor
importing
!delegate type ref to if_csv_parser_delegate
!csvstring type string
!separator type c
!skip_first_line type abap_bool .
methods parse
raising
cx_csv_parse_error .
protected section.
*"* protected components of class CL_CSV_PARSER
*"* do not include other source files here!!!
private section.
*"* private components of class CL_CSV_PARSER
*"* do not include other source files here!!!
constants _textindicator type c value '"'. "#EC NOTEXT
data _delegate type ref to if_csv_parser_delegate .
data _csvstring type string .
data _separator type c .
type-pools abap .
data _skip_first_line type abap_bool .
methods _lines
returning
value(returning) type stringtab .
methods _parse_line
importing
!line type string
returning
value(returning) type stringtab
raising
cx_csv_parse_error .
endclass. "CL_CSV_PARSER DEFINITION
*----------------------------------------------------------------------*
* CLASS CL_CSV_PARSER IMPLEMENTATION
*----------------------------------------------------------------------*
*
*----------------------------------------------------------------------*
class cl_csv_parser implementation.
* <SIGNATURE>---------------------------------------------------------------------------------------+
* | Instance Public Method CL_CSV_PARSER->CONSTRUCTOR
* +-------------------------------------------------------------------------------------------------+
* | [--->] DELEGATE TYPE REF TO IF_CSV_PARSER_DELEGATE
* | [--->] CSVSTRING TYPE STRING
* | [--->] SEPARATOR TYPE C
* | [--->] SKIP_FIRST_LINE TYPE ABAP_BOOL
* +--------------------------------------------------------------------------------------</SIGNATURE>
method constructor.
super->constructor( ).
_delegate = delegate.
_csvstring = csvstring.
_separator = separator.
_skip_first_line = skip_first_line.
endmethod. "constructor
* <SIGNATURE>---------------------------------------------------------------------------------------+
* | Instance Public Method CL_CSV_PARSER->PARSE
* +-------------------------------------------------------------------------------------------------+
* | [!CX!] CX_CSV_PARSE_ERROR
* +--------------------------------------------------------------------------------------</SIGNATURE>
method parse.
data msg type string.
if _csvstring is initial.
message e002(csv) into msg.
raise exception type cx_csv_parse_error
exporting
message = msg.
endif.
" Get the lines
data is_first_line type abap_bool value abap_true.
data lines type standard table of string.
lines = _lines( ).
field-symbols <line> type string.
loop at lines assigning <line>.
" Should we skip the first line?
if _skip_first_line = abap_true and is_first_line = abap_true.
is_first_line = abap_false.
continue.
endif.
" Parse the line
data values type standard table of string.
values = _parse_line( <line> ).
" Send values to delegate
_delegate->values_found( values ).
endloop.
endmethod. "parse
* <SIGNATURE>---------------------------------------------------------------------------------------+
* | Instance Private Method CL_CSV_PARSER->_LINES
* +-------------------------------------------------------------------------------------------------+
* | [<-()] RETURNING TYPE STRINGTAB
* +--------------------------------------------------------------------------------------</SIGNATURE>
method _lines.
split _csvstring at cl_abap_char_utilities=>cr_lf into table returning.
endmethod. "_lines
* <SIGNATURE>---------------------------------------------------------------------------------------+
* | Instance Private Method CL_CSV_PARSER->_PARSE_LINE
* +-------------------------------------------------------------------------------------------------+
* | [--->] LINE TYPE STRING
* | [<-()] RETURNING TYPE STRINGTAB
* | [!CX!] CX_CSV_PARSE_ERROR
* +--------------------------------------------------------------------------------------</SIGNATURE>
method _parse_line.
data msg type string.
data csvvalue type string.
data csvvalues type standard table of string.
data char type c.
data pos type i value 0.
data len type i.
len = strlen( line ).
while pos < len.
char = line+pos(1).
if char <> _separator.
if char = _textindicator.
data text_ended type abap_bool.
text_ended = abap_false.
while text_ended = abap_false.
pos = pos + 1.
if pos < len.
char = line+pos(1).
if char = _textindicator.
text_ended = abap_true.
else.
if char is initial. " Space
concatenate csvvalue ` ` into csvvalue.
else.
concatenate csvvalue char into csvvalue.
endif.
endif.
else.
" Reached the end of the line while inside a text value
" This indicates an error in the CSV formatting
text_ended = abap_true.
message e003(csv) into msg.
raise exception type cx_csv_parse_error
exporting
message = msg.
endif.
endwhile.
" Check if next character is a separator, otherwise the CSV formatting is incorrect
data nextpos type i.
nextpos = pos + 1.
if nextpos < len and line+nextpos(1) <> _separator.
message e003(csv) into msg.
raise exception type cx_csv_parse_error
exporting
message = msg.
endif.
else.
if char is initial. " Space
concatenate csvvalue ` ` into csvvalue.
else.
concatenate csvvalue char into csvvalue.
endif.
endif.
else.
append csvvalue to csvvalues.
clear csvvalue.
endif.
pos = pos + 1.
endwhile.
append csvvalue to csvvalues. " Don't forget the last value
returning = csvvalues.
endmethod. "_parse_line
endclass. "CL_CSV_PARSER IMPLEMENTATION