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remove breakpoints, simpler data structures

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This commit is contained in:
Lars Hvam 2014-06-24 15:40:01 +02:00
parent 2982c92cf4
commit ab3a95734e
1 changed files with 495 additions and 142 deletions
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zagit.abap
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@ -1,13 +1,13 @@
REPORT zdk8lahvp089.
TYPES: t_type TYPE c LENGTH 6,
t_bitbyte TYPE c LENGTH 8,
t_adler32 TYPE x LENGTH 4,
t_sha1 TYPE x LENGTH 20.
TYPES: t_type TYPE c LENGTH 6,
t_bitbyte TYPE c LENGTH 8,
t_adler32 TYPE x LENGTH 4,
t_sha1 TYPE x LENGTH 20,
t_unixtime TYPE c LENGTH 16.
TYPES: BEGIN OF st_node,
chmod TYPE string,
directory TYPE abap_bool,
name TYPE string,
sha1 TYPE t_sha1,
END OF st_node.
@ -40,11 +40,114 @@ CONSTANTS: gc_commit TYPE t_type VALUE 'commit', "#EC NOTEXT
gc_ref_d TYPE t_type VALUE 'ref_d', "#EC NOTEXT
gc_blob TYPE t_type VALUE 'blob'. "#EC NOTEXT
CONSTANTS: gc_chmod_file TYPE c LENGTH 6 VALUE '100644',
gc_chmod_dir TYPE c LENGTH 5 VALUE '40000'.
******************
START-OF-SELECTION.
PERFORM run.
*----------------------------------------------------------------------*
* CLASS CX_LOCAL_EXCEPTION DEFINITION
*----------------------------------------------------------------------*
*
*----------------------------------------------------------------------*
CLASS lcx_exception DEFINITION INHERITING FROM cx_static_check FINAL.
PUBLIC SECTION.
DATA mv_text TYPE string.
METHODS constructor IMPORTING iv_text TYPE string.
ENDCLASS. "CX_LOCAL_EXCEPTION DEFINITION
*----------------------------------------------------------------------*
* CLASS CX_LOCAL_EXCEPTION IMPLEMENTATION
*----------------------------------------------------------------------*
*
*----------------------------------------------------------------------*
CLASS lcx_exception IMPLEMENTATION.
METHOD constructor.
super->constructor( ).
* BREAK-POINT.
mv_text = iv_text.
ENDMETHOD. "CONSTRUCTOR
ENDCLASS. "lcx_exception IMPLEMENTATION
*----------------------------------------------------------------------*
* CLASS lcl_time DEFINITION
*----------------------------------------------------------------------*
*
*----------------------------------------------------------------------*
CLASS lcl_time DEFINITION FINAL.
PUBLIC SECTION.
CLASS-METHODS get RETURNING value(rv_time) TYPE t_unixtime
RAISING lcx_exception.
PRIVATE SECTION.
CONSTANTS: c_epoch TYPE datum VALUE '19700101'.
ENDCLASS. "lcl_time DEFINITION
*----------------------------------------------------------------------*
* CLASS lcl_time IMPLEMENTATION
*----------------------------------------------------------------------*
*
*----------------------------------------------------------------------*
CLASS lcl_time IMPLEMENTATION.
METHOD get.
DATA: lv_i TYPE i,
lv_tz TYPE tznzone,
lv_utcdiff TYPE tznutcdiff,
lv_utcsign TYPE tznutcsign.
lv_i = sy-datum - c_epoch.
lv_i = lv_i * 86400.
lv_i = lv_i + sy-uzeit.
CALL FUNCTION 'TZON_GET_OS_TIMEZONE'
IMPORTING
ef_timezone = lv_tz.
CALL FUNCTION 'TZON_GET_OFFSET'
EXPORTING
if_timezone = lv_tz
if_local_date = sy-datum
if_local_time = sy-uzeit
IMPORTING
ef_utcdiff = lv_utcdiff
ef_utcsign = lv_utcsign
EXCEPTIONS
conversion_error = 1
OTHERS = 2.
IF sy-subrc <> 0.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Timezone error'. "#EC NOTEXT
ENDIF.
CASE lv_utcsign.
WHEN '+'.
lv_i = lv_i - lv_utcdiff.
WHEN '-'.
lv_i = lv_i + lv_utcdiff.
ENDCASE.
rv_time = lv_i.
CONDENSE rv_time.
rv_time+11 = lv_utcsign.
rv_time+12 = lv_utcdiff.
ENDMETHOD. "get
ENDCLASS. "lcl_time IMPLEMENTATION
*----------------------------------------------------------------------*
* CLASS lcl_convert DEFINITION
*----------------------------------------------------------------------*
@ -66,7 +169,8 @@ CLASS lcl_convert DEFINITION FINAL.
RETURNING value(rv_string) TYPE string.
CLASS-METHODS xstring_to_int IMPORTING iv_xstring TYPE xstring
RETURNING value(rv_i) TYPE i.
RETURNING value(rv_i) TYPE i
RAISING lcx_exception.
CLASS-METHODS int_to_xstring IMPORTING iv_i TYPE i
iv_length TYPE i
@ -135,7 +239,9 @@ CLASS lcl_convert IMPLEMENTATION.
WHEN 'F'.
rv_i = rv_i + 15.
WHEN OTHERS.
BREAK-POINT.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Unexpected character'. "#EC NOTEXT
ENDCASE.
lv_string = lv_string+1.
ENDWHILE.
@ -161,7 +267,6 @@ CLASS lcl_convert IMPLEMENTATION.
cx_sy_codepage_converter_init
cx_sy_conversion_codepage
cx_parameter_invalid_type. "#EC NO_HANDLER
* todo?
ENDTRY.
ENDMETHOD. "xstring_to_string_utf8
@ -181,7 +286,6 @@ CLASS lcl_convert IMPLEMENTATION.
cx_sy_codepage_converter_init
cx_sy_conversion_codepage
cx_parameter_invalid_type. "#EC NO_HANDLER
* todo?
ENDTRY.
ENDMETHOD. "string_to_xstring_utf8
@ -232,10 +336,12 @@ CLASS lcl_hash DEFINITION FINAL.
CLASS-METHODS sha1 IMPORTING iv_type TYPE t_type
iv_data TYPE xstring
RETURNING value(rv_sha1) TYPE t_sha1.
RETURNING value(rv_sha1) TYPE t_sha1
RAISING lcx_exception.
CLASS-METHODS sha1_raw IMPORTING iv_data TYPE xstring
RETURNING value(rv_sha1) TYPE t_sha1.
RETURNING value(rv_sha1) TYPE t_sha1
RAISING lcx_exception.
ENDCLASS. "lcl_hash DEFINITION
@ -294,7 +400,9 @@ CLASS lcl_hash IMPLEMENTATION.
internal_error = 3
OTHERS = 4.
IF sy-subrc <> 0.
BREAK-POINT.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Error while calculating SHA1'. "#EC NOTEXT
ENDIF.
rv_sha1 = lv_hash.
@ -337,24 +445,35 @@ CLASS lcl_pack DEFINITION FINAL.
PUBLIC SECTION.
CLASS-METHODS decode IMPORTING iv_data TYPE xstring
RETURNING value(rt_objects) TYPE tt_objects.
RETURNING value(rt_objects) TYPE tt_objects
RAISING lcx_exception.
CLASS-METHODS decode_tree IMPORTING iv_data TYPE xstring
RETURNING value(rt_nodes) TYPE tt_nodes.
RETURNING value(rt_nodes) TYPE tt_nodes
RAISING lcx_exception.
CLASS-METHODS decode_deltas CHANGING ct_objects TYPE tt_objects.
CLASS-METHODS decode_deltas CHANGING ct_objects TYPE tt_objects
RAISING lcx_exception.
CLASS-METHODS decode_commit IMPORTING iv_data TYPE xstring
RETURNING value(rs_commit) TYPE st_commit.
RETURNING value(rs_commit) TYPE st_commit
RAISING lcx_exception.
CLASS-METHODS encode IMPORTING it_objects TYPE tt_objects
RETURNING value(rv_data) TYPE xstring.
RETURNING value(rv_data) TYPE xstring
RAISING lcx_exception.
CLASS-METHODS sanity_checks IMPORTING it_objects TYPE tt_objects
RETURNING value(rt_latest) TYPE tt_latest.
RETURNING value(rt_latest) TYPE tt_latest
RAISING lcx_exception.
CLASS-METHODS latest IMPORTING it_objects TYPE tt_objects
RETURNING value(rt_latest) TYPE tt_latest.
CLASS-METHODS latest_commit IMPORTING it_objects TYPE tt_objects
RETURNING value(rs_object) TYPE st_object
RAISING lcx_exception.
CLASS-METHODS latest_objects IMPORTING it_objects TYPE tt_objects
RETURNING value(rt_latest) TYPE tt_latest
RAISING lcx_exception.
CLASS-METHODS: encode_tree IMPORTING it_nodes TYPE tt_nodes
RETURNING value(rv_data) TYPE xstring.
@ -362,7 +481,9 @@ CLASS lcl_pack DEFINITION FINAL.
CLASS-METHODS: encode_commit IMPORTING is_commit TYPE st_commit
RETURNING value(rv_data) TYPE xstring.
PRIVATE SECTION.
CONSTANTS: c_debug_pack TYPE abap_bool VALUE abap_false,
c_pack_start TYPE x LENGTH 4 VALUE '5041434B',
c_zlib TYPE x LENGTH 2 VALUE '789C',
@ -370,20 +491,24 @@ CLASS lcl_pack DEFINITION FINAL.
c_version TYPE x LENGTH 4 VALUE '00000002'.
CLASS-METHODS type_and_length IMPORTING is_object TYPE st_object
RETURNING value(rv_xstring) TYPE xstring.
RETURNING value(rv_xstring) TYPE xstring
RAISING lcx_exception.
CLASS-METHODS delta IMPORTING is_object TYPE st_object
CHANGING ct_objects TYPE tt_objects.
CHANGING ct_objects TYPE tt_objects
RAISING lcx_exception.
CLASS-METHODS delta_header CHANGING cv_delta TYPE xstring.
CLASS-METHODS get_type IMPORTING iv_x TYPE x
RETURNING value(rv_type) TYPE t_type.
RETURNING value(rv_type) TYPE t_type
RAISING lcx_exception.
CLASS-METHODS walk IMPORTING it_objects TYPE tt_objects
iv_sha1 TYPE t_sha1
iv_path TYPE string
CHANGING ct_latest TYPE tt_latest.
CHANGING ct_latest TYPE tt_latest
RAISING lcx_exception.
CLASS-METHODS get_length EXPORTING ev_length TYPE i
CHANGING cv_data TYPE xstring.
@ -418,8 +543,9 @@ CLASS lcl_pack IMPLEMENTATION.
WHEN gc_ref_d.
lv_type = '111'.
WHEN OTHERS.
* todo?
BREAK-POINT.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Unexpected object type while encoding pack'. "#EC NOTEXT
ENDCASE.
lv_x4 = xstrlen( is_object-data ).
@ -434,8 +560,10 @@ CLASS lcl_pack IMPLEMENTATION.
CONCATENATE '1' lv_type lv_bits+28(4) INTO lv_result.
CONCATENATE lv_result '0' lv_bits+21(7) INTO lv_result.
ELSE.
* todo, this can be done easier with some shifting
BREAK-POINT.
* use shifting?
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Todo, encoding length'. "#EC NOTEXT
ENDIF.
* convert bit string to xstring
@ -558,20 +686,21 @@ CLASS lcl_pack IMPLEMENTATION.
READ TABLE it_objects ASSIGNING <ls_tree> WITH KEY sha1 = iv_sha1 type = gc_tree.
IF sy-subrc <> 0.
WRITE: / 'Tree', iv_sha1, 'not found'. "#EC NOTEXT
BREAK-POINT.
RETURN.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Walk, tree not found'. "#EC NOTEXT
ENDIF.
lt_nodes = lcl_pack=>decode_tree( <ls_tree>-data ).
LOOP AT lt_nodes ASSIGNING <ls_node>.
* WRITE: / <ls_node>-sha1, <ls_node>-directory, <ls_node>-name.
IF <ls_node>-directory = abap_false.
IF <ls_node>-chmod = gc_chmod_file.
READ TABLE it_objects ASSIGNING <ls_blob> WITH KEY sha1 = <ls_node>-sha1 type = gc_blob.
IF sy-subrc <> 0.
BREAK-POINT.
CONTINUE.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Walk, blob not found'. "#EC NOTEXT
ENDIF.
CLEAR ls_latest.
@ -582,7 +711,7 @@ CLASS lcl_pack IMPLEMENTATION.
ENDIF.
ENDLOOP.
LOOP AT lt_nodes ASSIGNING <ls_node> WHERE directory = abap_true.
LOOP AT lt_nodes ASSIGNING <ls_node> WHERE chmod = gc_chmod_dir.
CONCATENATE iv_path <ls_node>-name '/' INTO lv_path.
walk( EXPORTING it_objects = it_objects
iv_sha1 = <ls_node>-sha1
@ -592,11 +721,27 @@ CLASS lcl_pack IMPLEMENTATION.
ENDMETHOD. "walk
METHOD latest.
METHOD latest_objects.
DATA: ls_commit TYPE st_commit,
lv_sha1 TYPE t_sha1,
lt_commits TYPE tt_objects.
DATA: ls_commit TYPE st_commit,
ls_object TYPE st_object.
ls_object = latest_commit( it_objects ).
ls_commit = lcl_pack=>decode_commit( ls_object-data ).
walk( EXPORTING it_objects = it_objects
iv_sha1 = ls_commit-tree
iv_path = '/'
CHANGING ct_latest = rt_latest ).
ENDMETHOD. "latest
METHOD latest_commit.
DATA: lt_commits TYPE tt_objects,
ls_commit TYPE st_commit,
lv_sha1 TYPE t_sha1.
FIELD-SYMBOLS: <ls_object> LIKE LINE OF it_objects.
@ -628,18 +773,14 @@ CLASS lcl_pack IMPLEMENTATION.
READ TABLE lt_commits ASSIGNING <ls_object> WITH KEY sha1 = lv_sha1.
IF sy-subrc <> 0.
BREAK-POINT.
RETURN.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Latest, commit not found'. "#EC NOTEXT
ENDIF.
ls_commit = lcl_pack=>decode_commit( <ls_object>-data ).
rs_object = <ls_object>.
walk( EXPORTING it_objects = it_objects
iv_sha1 = ls_commit-tree
iv_path = '/'
CHANGING ct_latest = rt_latest ).
ENDMETHOD. "latest
ENDMETHOD. "latest_commit
METHOD sanity_checks.
@ -676,7 +817,7 @@ CLASS lcl_pack IMPLEMENTATION.
LOOP AT it_objects ASSIGNING <ls_object> WHERE type = gc_tree.
* check that blobs in trees exists
lt_nodes = lcl_pack=>decode_tree( <ls_object>-data ).
LOOP AT lt_nodes ASSIGNING <ls_node> WHERE directory = abap_false.
LOOP AT lt_nodes ASSIGNING <ls_node> WHERE chmod = gc_chmod_file.
READ TABLE it_objects WITH KEY sha1 = <ls_node>-sha1 type = gc_blob
TRANSPORTING NO FIELDS.
IF sy-subrc <> 0.
@ -685,7 +826,7 @@ CLASS lcl_pack IMPLEMENTATION.
ENDLOOP.
* check that directories/trees in trees exists
LOOP AT lt_nodes ASSIGNING <ls_node> WHERE directory = abap_true.
LOOP AT lt_nodes ASSIGNING <ls_node> WHERE chmod = gc_chmod_dir.
READ TABLE it_objects WITH KEY sha1 = <ls_node>-sha1 type = gc_tree
TRANSPORTING NO FIELDS.
IF sy-subrc <> 0.
@ -715,8 +856,9 @@ CLASS lcl_pack IMPLEMENTATION.
WHEN '111'.
rv_type = gc_ref_d.
WHEN OTHERS.
* todo?
BREAK-POINT.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Todo, unknown type'. "#EC NOTEXT
ENDCASE.
ENDMETHOD. "get_type
@ -778,8 +920,9 @@ CLASS lcl_pack IMPLEMENTATION.
IF rs_commit-author IS INITIAL
OR rs_commit-committer IS INITIAL
OR rs_commit-tree IS INITIAL.
* multiple parents? not supported
BREAK-POINT.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'multiple parents? not supported'. "#EC NOTEXT
ENDIF.
ENDMETHOD. "decode_commit
@ -842,9 +985,9 @@ CLASS lcl_pack IMPLEMENTATION.
* find base
READ TABLE ct_objects ASSIGNING <ls_object> WITH KEY sha1 = is_object-sha1.
IF sy-subrc <> 0.
BREAK-POINT.
WRITE: / 'Base not found'. "#EC NOTEXT
RETURN.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Base not found'. "#EC NOTEXT
ELSE.
lv_base = <ls_object>-data.
ENDIF.
@ -967,11 +1110,12 @@ CLASS lcl_pack IMPLEMENTATION.
CLEAR ls_node.
ls_node-chmod = lv_chmod.
IF ls_node-chmod(1) = '4'.
ls_node-directory = abap_true.
ELSE.
ls_node-directory = abap_false.
IF ls_node-chmod <> gc_chmod_dir AND ls_node-chmod <> gc_chmod_file.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Unknown chmod'. "#EC NOTEXT
ENDIF.
ls_node-name = lv_name.
ls_node-sha1 = iv_data+lv_offset(lc_sha_length).
APPEND ls_node TO rt_nodes.
@ -1009,15 +1153,17 @@ CLASS lcl_pack IMPLEMENTATION.
* header
IF NOT xstrlen( lv_data ) > 4 OR lv_data(4) <> c_pack_start.
BREAK-POINT.
RETURN.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Unexpected pack header'. "#EC NOTEXT
ENDIF.
lv_data = lv_data+4.
* version
IF lv_data(4) <> c_version.
BREAK-POINT.
RETURN.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Version not supported'. "#EC NOTEXT
ENDIF.
lv_data = lv_data+4.
@ -1043,9 +1189,9 @@ CLASS lcl_pack IMPLEMENTATION.
* strip header, '789C', CMF + FLG
lv_zlib = lv_data(2).
IF lv_zlib <> c_zlib AND lv_zlib <> c_zlib_hmm.
BREAK-POINT.
WRITE: / 'Unexpected zlib header'. "#EC NOTEXT
RETURN.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Unexpected zlib header'. "#EC NOTEXT
ENDIF.
lv_data = lv_data+2.
@ -1060,8 +1206,9 @@ CLASS lcl_pack IMPLEMENTATION.
raw_out_len = lv_decompress_len ).
IF lv_expected <> lv_decompress_len.
BREAK-POINT.
RETURN.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Decompression falied'. "#EC NOTEXT
ENDIF.
cl_abap_gzip=>compress_binary(
@ -1072,9 +1219,9 @@ CLASS lcl_pack IMPLEMENTATION.
gzip_out_len = lv_compressed_len ).
IF lv_compressed(lv_compressed_len) <> lv_data(lv_compressed_len).
BREAK-POINT.
WRITE: / 'Compressed data doesnt match'. "#EC NOTEXT
RETURN.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Compressed data doesnt match'. "#EC NOTEXT
ENDIF.
lv_data = lv_data+lv_compressed_len.
@ -1105,9 +1252,9 @@ CLASS lcl_pack IMPLEMENTATION.
ENDDO.
IF lv_compressed_len IS INITIAL.
BREAK-POINT.
WRITE: / 'Decompression falied :o/'. "#EC NOTEXT
RETURN.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Decompression falied :o/'. "#EC NOTEXT
ENDIF.
lv_data = lv_data+lv_compressed_len.
@ -1120,9 +1267,9 @@ CLASS lcl_pack IMPLEMENTATION.
lv_data = lv_data+1.
ENDIF.
IF lv_data(4) <> lv_adler32.
WRITE: / 'Wrong checksum'. "#EC NOTEXT
BREAK-POINT.
RETURN.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Wrong Adler checksum'. "#EC NOTEXT
ENDIF.
lv_data = lv_data+4. " skip adler checksum
@ -1151,7 +1298,9 @@ CLASS lcl_pack IMPLEMENTATION.
lv_xstring = iv_data(lv_len).
lv_sha1 = lcl_hash=>sha1_raw( lv_xstring ).
IF lv_sha1 <> lv_data.
BREAK-POINT.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'SHA1 at end of pack doesnt match'. "#EC NOTEXT
ENDIF.
ENDMETHOD. "decode
@ -1208,15 +1357,28 @@ ENDCLASS. "lcl_pack IMPLEMENTATION
CLASS lcl_transport DEFINITION FINAL.
PUBLIC SECTION.
* from GitHub to SAP
CLASS-METHODS upload_pack IMPORTING iv_repo TYPE string
RETURNING value(rv_pack) TYPE xstring.
RETURNING value(rv_pack) TYPE xstring
RAISING lcx_exception.
* from SAP to GitHub
CLASS-METHODS receive_pack IMPORTING iv_repo TYPE string
iv_pack TYPE xstring
RAISING lcx_exception.
PRIVATE SECTION.
CONSTANTS: c_debug_http TYPE abap_bool VALUE abap_false.
CLASS-METHODS pkt IMPORTING iv_string TYPE string CHANGING cv_pkt TYPE string.
CLASS-METHODS parse EXPORTING ev_pack TYPE xstring CHANGING cv_data TYPE xstring.
CLASS-METHODS length_utf8_hex IMPORTING iv_data TYPE xstring RETURNING value(rv_len) TYPE i.
CLASS-METHODS pkt IMPORTING iv_string TYPE string
CHANGING cv_pkt TYPE string
RAISING lcx_exception.
CLASS-METHODS parse EXPORTING ev_pack TYPE xstring
CHANGING cv_data TYPE xstring.
CLASS-METHODS length_utf8_hex IMPORTING iv_data TYPE xstring
RETURNING value(rv_len) TYPE i.
ENDCLASS. "lcl_transport DEFINITION
@ -1227,6 +1389,17 @@ ENDCLASS. "lcl_transport DEFINITION
*----------------------------------------------------------------------*
CLASS lcl_transport IMPLEMENTATION.
METHOD receive_pack.
IF NOT iv_repo CP '*Foobar*'.
BREAK-POINT.
RETURN.
ENDIF.
* todo
ENDMETHOD. "receive_pack
METHOD length_utf8_hex.
DATA: lv_xstring TYPE xstring,
@ -1335,15 +1508,13 @@ CLASS lcl_transport IMPLEMENTATION.
li_client->send( ).
li_client->receive( ).
* DATA: lt_fields TYPE tihttpnvp.
* li_client->response->get_header_fields( CHANGING fields = lt_fields ).
* BREAK-POINT.
li_client->response->get_status(
IMPORTING
code = lv_code ).
IF c_debug_http = abap_true.
WRITE: / 'HTTP_STATUS_CODE = ', lv_code.
IF lv_code <> 200.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'HTTP error code'. "#EC NOTEXT
ENDIF.
lv_data = li_client->response->get_cdata( ).
@ -1355,17 +1526,11 @@ CLASS lcl_transport IMPLEMENTATION.
ENDLOOP.
IF strlen( lv_hash ) <> 40.
WRITE: / 'Branch not found'. "#EC NOTEXT
BREAK-POINT.
RETURN.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Branch not found'. "#EC NOTEXT
ENDIF.
* lv_data = lo_client->response->get_cdata( ).
* SPLIT lv_data AT cl_abap_char_utilities=>newline INTO TABLE lt_result.
* LOOP AT lt_result INTO lv_data.
* WRITE: / lv_data.
* ENDLOOP.
*--------------------------------------------------------------------
li_client->request->set_header_field(
@ -1397,8 +1562,10 @@ CLASS lcl_transport IMPLEMENTATION.
li_client->response->get_status(
IMPORTING
code = lv_code ).
IF c_debug_http = abap_true.
WRITE: / 'HTTP_STATUS_CODE = ', lv_code.
IF lv_code <> 200.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'HTTP error code'. "#EC NOTEXT
ENDIF.
lv_xstring = li_client->response->get_data( ).
@ -1416,8 +1583,9 @@ CLASS lcl_transport IMPLEMENTATION.
lv_len = strlen( iv_string ).
IF lv_len >= 255.
* todo
BREAK-POINT.
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'PKT, todo'. "#EC NOTEXT
ENDIF.
lv_x = lv_len + 4.
@ -1456,35 +1624,120 @@ FORM run.
* DATA: lv_repo TYPE string VALUE '/mrmrs/colors'. " 100%
* DATA: lv_repo TYPE string VALUE '/montagejs/collections'. " 100%
DATA: lv_pack TYPE xstring,
lt_latest TYPE tt_latest,
lt_objects TYPE tt_objects.
DATA: lv_pack TYPE xstring,
lt_latest TYPE tt_latest,
ls_object TYPE st_object,
lx_exception TYPE REF TO lcx_exception,
lt_objects TYPE tt_objects.
FIELD-SYMBOLS: <ls_latest> LIKE LINE OF lt_latest.
lv_pack = lcl_transport=>upload_pack( lv_repo ).
TRY.
lv_pack = lcl_transport=>upload_pack( lv_repo ).
IF lv_pack IS INITIAL.
RETURN.
ENDIF.
IF lv_pack IS INITIAL.
RETURN.
ENDIF.
lt_objects = lcl_pack=>decode( lv_pack ).
lt_objects = lcl_pack=>decode( lv_pack ).
PERFORM output_summary USING lt_objects.
PERFORM output_summary USING lt_objects.
lcl_pack=>decode_deltas( CHANGING ct_objects = lt_objects ).
lcl_pack=>decode_deltas( CHANGING ct_objects = lt_objects ).
lcl_pack=>sanity_checks( lt_objects ).
* PERFORM output_objects USING lt_objects.
lt_latest = lcl_pack=>latest( lt_objects ).
lcl_pack=>sanity_checks( lt_objects ).
LOOP AT lt_latest ASSIGNING <ls_latest>.
WRITE: / <ls_latest>-path, 40 <ls_latest>-filename.
ENDLOOP.
lt_latest = lcl_pack=>latest_objects( lt_objects ).
LOOP AT lt_latest ASSIGNING <ls_latest>.
WRITE: / <ls_latest>-path, 40 <ls_latest>-filename.
ENDLOOP.
ls_object = lcl_pack=>latest_commit( lt_objects ).
PERFORM receive USING ls_object lv_repo.
CATCH lcx_exception INTO lx_exception.
WRITE: / 'Error:', lx_exception->mv_text. "#EC NOTEXT
ENDTRY.
ENDFORM. "run
*&---------------------------------------------------------------------*
*& Form download
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* -->PS_PARENT text
*----------------------------------------------------------------------*
FORM receive USING ps_parent TYPE st_object
pv_repo TYPE string
RAISING lcx_exception.
DATA: ls_commit TYPE st_commit,
lt_nodes TYPE tt_nodes,
ls_node LIKE LINE OF lt_nodes,
lt_objects TYPE tt_objects,
ls_object LIKE LINE OF lt_objects,
lv_blob TYPE xstring,
lv_pack TYPE xstring,
lv_tree TYPE xstring,
lv_time TYPE t_unixtime,
lv_commit TYPE xstring.
lv_time = lcl_time=>get( ).
* blob
lv_blob = lcl_convert=>string_to_xstring_utf8( 'this is the readme' ). "#EC NOTEXT
* tree
CLEAR ls_node.
ls_node-chmod = gc_chmod_file.
ls_node-name = 'README.md'.
ls_node-sha1 = lcl_hash=>sha1( iv_type = gc_blob iv_data = lv_blob ).
APPEND ls_node TO lt_nodes.
lv_tree = lcl_pack=>encode_tree( lt_nodes ).
* commit
CLEAR ls_commit.
ls_commit-tree = lcl_hash=>sha1( iv_type = gc_tree iv_data = lv_tree ).
ls_commit-parent = ps_parent-sha1.
CONCATENATE 'larshp <larshp@hotmail.com>' lv_time
INTO ls_commit-author SEPARATED BY space. "#EC NOTEXT
CONCATENATE 'larshp <larshp@hotmail.com>' lv_time
INTO ls_commit-committer SEPARATED BY space. "#EC NOTEXT
ls_commit-body = 'first post'. "#EC NOTEXT
lv_commit = lcl_pack=>encode_commit( ls_commit ).
CLEAR ls_object.
ls_object-sha1 = lcl_hash=>sha1( iv_type = gc_commit iv_data = lv_commit ).
ls_object-type = gc_commit.
ls_object-data = lv_commit.
APPEND ls_object TO lt_objects.
CLEAR ls_object.
ls_object-sha1 = lcl_hash=>sha1( iv_type = gc_tree iv_data = lv_tree ).
ls_object-type = gc_tree.
ls_object-data = lv_tree.
APPEND ls_object TO lt_objects.
CLEAR ls_object.
ls_object-sha1 = lcl_hash=>sha1( iv_type = gc_blob iv_data = lv_blob ).
ls_object-type = gc_blob.
ls_object-data = lv_blob.
APPEND ls_object TO lt_objects.
lv_pack = lcl_pack=>encode( lt_objects ).
BREAK-POINT.
lcl_transport=>receive_pack( iv_repo = pv_repo
iv_pack = lv_pack ).
ENDFORM. "download
*&---------------------------------------------------------------------*
*& Form show_utf8
*&---------------------------------------------------------------------*
@ -1574,20 +1827,23 @@ ENDFORM. " OUTPUT_XSTRING
CLASS lcl_abap_unit DEFINITION FOR TESTING RISK LEVEL HARMLESS DURATION SHORT FINAL.
PRIVATE SECTION.
METHODS repository_larshp_foobar FOR TESTING.
METHODS repository_larshp_mousechase FOR TESTING.
METHODS repository_larshp_dicing FOR TESTING.
METHODS repository_larshp_foobar FOR TESTING RAISING lcx_exception.
METHODS repository_larshp_mousechase FOR TESTING RAISING lcx_exception.
METHODS repository_larshp_dicing FOR TESTING RAISING lcx_exception.
METHODS encode_decode_tree FOR TESTING.
METHODS encode_decode_commit FOR TESTING.
METHODS encode_decode_pack_short FOR TESTING.
METHODS encode_decode_pack_long FOR TESTING.
METHODS encode_decode_tree FOR TESTING RAISING lcx_exception.
METHODS encode_decode_commit FOR TESTING RAISING lcx_exception.
METHODS encode_decode_pack_short FOR TESTING RAISING lcx_exception.
METHODS encode_decode_pack_long FOR TESTING RAISING lcx_exception.
METHODS encode_decode_pack_multiple FOR TESTING RAISING lcx_exception.
METHODS convert_int FOR TESTING.
METHODS convert_int FOR TESTING RAISING lcx_exception.
CLASS-METHODS latest IMPORTING iv_repo TYPE string
RETURNING value(rt_latest) TYPE tt_latest.
CLASS-METHODS compare IMPORTING iv_repo TYPE string.
RETURNING value(rt_latest) TYPE tt_latest
RAISING lcx_exception.
CLASS-METHODS compare IMPORTING iv_repo TYPE string
RAISING lcx_exception.
CLASS-METHODS http_fetch IMPORTING iv_url TYPE string
RETURNING value(rv_data) TYPE xstring.
@ -1617,6 +1873,63 @@ CLASS lcl_abap_unit IMPLEMENTATION.
ENDMETHOD. "convert_int
METHOD encode_decode_pack_multiple.
DATA: lt_objects TYPE tt_objects,
ls_object LIKE LINE OF lt_objects,
lt_nodes TYPE tt_nodes,
ls_node LIKE LINE OF lt_nodes,
ls_commit TYPE st_commit,
lt_result TYPE tt_objects,
lv_data TYPE xstring.
* blob
lv_data = '123456789ABCDEF545794254754554'.
CLEAR ls_object.
ls_object-sha1 = lcl_hash=>sha1( iv_type = gc_blob iv_data = lv_data ).
ls_object-type = gc_blob.
ls_object-data = lv_data.
APPEND ls_object TO lt_objects.
* commit
CLEAR ls_commit.
ls_commit-tree = '5F46CB3C4B7F0B3600B64F744CDE614A283A88DC'.
ls_commit-parent = '5F46CB3C4B7F0B3600B64F744CDE614A283A88DC'.
ls_commit-author = 'John Foobar'.
ls_commit-committer = 'John Foobar'.
ls_commit-body = 'body'.
lv_data = lcl_pack=>encode_commit( ls_commit ).
CLEAR ls_object.
ls_object-sha1 = lcl_hash=>sha1( iv_type = gc_commit iv_data = lv_data ).
ls_object-type = gc_commit.
ls_object-data = lv_data.
APPEND ls_object TO lt_objects.
* tree
CLEAR ls_node.
ls_node-chmod = '12456'.
ls_node-name = 'foobar.abap'.
ls_node-sha1 = '5F46CB3C4B7F0B3600B64F744CDE614A283A88DC'.
APPEND ls_node TO lt_nodes.
lv_data = lcl_pack=>encode_tree( lt_nodes ).
CLEAR ls_object.
ls_object-sha1 = lcl_hash=>sha1( iv_type = gc_tree iv_data = lv_data ).
ls_object-type = gc_tree.
ls_object-data = lv_data.
APPEND ls_object TO lt_objects.
CLEAR lv_data.
lv_data = lcl_pack=>encode( lt_objects ).
lt_result = lcl_pack=>decode( lv_data ).
cl_abap_unit_assert=>assert_equals(
exp = lt_objects
act = lt_result ).
ENDMETHOD. "encode_decode_pack_multiple
METHOD encode_decode_pack_short.
DATA: lt_objects TYPE tt_objects,
@ -1683,8 +1996,7 @@ CLASS lcl_abap_unit IMPLEMENTATION.
lt_result TYPE tt_nodes.
CLEAR ls_node.
ls_node-chmod = '100644'.
ls_node-directory = abap_false.
ls_node-chmod = gc_chmod_file.
ls_node-name = 'foobar.txt'.
ls_node-sha1 = '5F46CB3C4B7F0B3600B64F744CDE614A283A88DC'.
APPEND ls_node TO lt_nodes.
@ -1783,7 +2095,7 @@ CLASS lcl_abap_unit IMPLEMENTATION.
lv_pack = lcl_transport=>upload_pack( iv_repo ).
lt_objects = lcl_pack=>decode( lv_pack ).
lcl_pack=>decode_deltas( CHANGING ct_objects = lt_objects ).
rt_latest = lcl_pack=>latest( lt_objects ).
rt_latest = lcl_pack=>latest_objects( lt_objects ).
ENDMETHOD. "latest
@ -1808,23 +2120,65 @@ ENDCLASS. "test IMPLEMENTATION
*----------------------------------------------------------------------*
* -->P_LT_COMMITS text
*----------------------------------------------------------------------*
FORM output_objects USING pt_objects TYPE tt_objects.
FORM output_objects USING pt_objects TYPE tt_objects
RAISING lcx_exception.
FIELD-SYMBOLS: <ls_object> LIKE LINE OF pt_objects.
LOOP AT pt_objects ASSIGNING <ls_object>.
WRITE: / 'SHA1:', <ls_object>-sha1, <ls_object>-type.
CASE <ls_object>-type.
WHEN gc_commit.
PERFORM output_commit USING <ls_object>.
WHEN gc_tree.
PERFORM output_tree USING <ls_object>.
WHEN gc_blob.
PERFORM output_blob USING <ls_object>.
WHEN OTHERS.
BREAK-POINT.
WRITE: / 'todo'. "#EC NOTEXT
RAISE EXCEPTION TYPE lcx_exception
EXPORTING
iv_text = 'Output, unknown type'. "#EC NOTEXT
ENDCASE.
WRITE: /.
ENDLOOP.
ENDFORM. " OUTPUT_OBJECTS
*&---------------------------------------------------------------------*
*& Form output_tree
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
FORM output_tree USING ps_object TYPE st_object
RAISING lcx_exception.
DATA: lt_nodes TYPE tt_nodes.
FIELD-SYMBOLS: <ls_node> LIKE LINE OF lt_nodes.
lt_nodes = lcl_pack=>decode_tree( ps_object-data ).
LOOP AT lt_nodes ASSIGNING <ls_node>.
WRITE: / <ls_node>-chmod, <ls_node>-sha1, <ls_node>-name.
ENDLOOP.
ENDFORM. "output_tree
*&---------------------------------------------------------------------*
*& Form output_blob
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
FORM output_blob USING ps_object TYPE st_object.
WRITE: / ps_object-data.
ENDFORM. "output_blob
*&---------------------------------------------------------------------*
*& Form OUTPUT_COMMIT
*&---------------------------------------------------------------------*
@ -1832,19 +2186,18 @@ ENDFORM. " OUTPUT_OBJECTS
*----------------------------------------------------------------------*
* -->P_<LS_COMMIT> text
*----------------------------------------------------------------------*
FORM output_commit USING ps_object TYPE st_object.
FORM output_commit USING ps_object TYPE st_object
RAISING lcx_exception.
DATA: ls_commit TYPE st_commit.
WRITE: / 'SHA1:', ps_object-sha1.
ls_commit = lcl_pack=>decode_commit( ps_object-data ).
WRITE: / 'tree', ls_commit-tree. "#EC NOTEXT
WRITE: / 'parent', ls_commit-parent. "#EC NOTEXT
WRITE: / 'author', ls_commit-author. "#EC NOTEXT
WRITE: / 'committer', ls_commit-committer. "#EC NOTEXT
WRITE: / ls_commit-body.
WRITE: / 'tree', 20 ls_commit-tree. "#EC NOTEXT
WRITE: / 'parent', 20 ls_commit-parent. "#EC NOTEXT
WRITE: / 'author', 20 ls_commit-author. "#EC NOTEXT
WRITE: / 'committer', 20 ls_commit-committer. "#EC NOTEXT
WRITE: /20 ls_commit-body.
ENDFORM. " OUTPUT_COMMIT