Toggle display of hidden characters on diff page (#4136)

* Toggle display of hidden characters on diff page

Time for something new...

I added a toggle switch to the diff page that allows you to show otherwise hidden characters.
- CR end-of-line 
- Spaces
- Tabs
- Byte-order-mark

Closes https://github.com/abapGit/abapGit/issues/2124
Closes https://github.com/abapGit/abapGit/issues/3676
Improves https://github.com/abapGit/abapGit/issues/2804

* Add ini

Co-authored-by: Lars Hvam <larshp@hotmail.com>
This commit is contained in:
Marc Bernard 2020-11-07 03:54:38 -05:00 committed by GitHub
parent 85404ce72f
commit 5df956a37a
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 126 additions and 9 deletions

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@ -8,6 +8,7 @@ CLASS zcl_abapgit_syntax_highlighter DEFINITION
CLASS-METHODS create
IMPORTING
!iv_filename TYPE string
!iv_hidden_chars TYPE abap_bool DEFAULT abap_false
RETURNING
VALUE(ro_instance) TYPE REF TO zcl_abapgit_syntax_highlighter .
METHODS process_line
@ -37,6 +38,7 @@ CLASS zcl_abapgit_syntax_highlighter DEFINITION
CONSTANTS c_token_none TYPE c VALUE '.' ##NO_TEXT.
DATA:
mt_rules TYPE STANDARD TABLE OF ty_rule .
DATA mv_hidden_chars TYPE abap_bool .
METHODS add_rule
IMPORTING
@ -50,7 +52,6 @@ CLASS zcl_abapgit_syntax_highlighter DEFINITION
RETURNING
VALUE(rt_matches) TYPE ty_match_tt .
METHODS order_matches
ABSTRACT
IMPORTING
!iv_line TYPE string
CHANGING
@ -77,6 +78,14 @@ CLASS zcl_abapgit_syntax_highlighter DEFINITION
!iv_string TYPE string
RETURNING
VALUE(rv_result) TYPE abap_bool .
METHODS set_hidden_chars
IMPORTING
!iv_hidden_chars TYPE abap_bool .
METHODS show_hidden_chars
IMPORTING
!iv_line TYPE string
RETURNING
VALUE(rv_line) TYPE string .
PRIVATE SECTION.
ENDCLASS.
@ -108,8 +117,11 @@ CLASS zcl_abapgit_syntax_highlighter IMPLEMENTATION.
DATA lv_escaped TYPE string.
lv_escaped = escape( val = iv_line
format = cl_abap_format=>e_html_attr ).
lv_escaped = escape( val = iv_line
format = cl_abap_format=>e_html_text ).
lv_escaped = show_hidden_chars( lv_escaped ).
IF iv_class IS NOT INITIAL.
rv_line = |<span class="{ iv_class }">{ lv_escaped }</span>|.
ELSE.
@ -132,10 +144,15 @@ CLASS zcl_abapgit_syntax_highlighter IMPLEMENTATION.
CREATE OBJECT ro_instance TYPE zcl_abapgit_syntax_js.
ELSEIF iv_filename CP '*.json'.
CREATE OBJECT ro_instance TYPE zcl_abapgit_syntax_json.
ELSEIF iv_filename CP '*.txt' OR iv_filename CP '*.ini' OR iv_filename CP '*.text'.
CREATE OBJECT ro_instance TYPE zcl_abapgit_syntax_txt.
ELSE.
CLEAR ro_instance.
ENDIF.
IF ro_instance IS BOUND.
ro_instance->set_hidden_chars( iv_hidden_chars ).
ENDIF.
ENDMETHOD.
@ -213,6 +230,10 @@ CLASS zcl_abapgit_syntax_highlighter IMPLEMENTATION.
ENDMETHOD.
METHOD order_matches.
ENDMETHOD.
METHOD parse_line.
DATA:
@ -262,7 +283,7 @@ CLASS zcl_abapgit_syntax_highlighter IMPLEMENTATION.
DATA: lt_matches TYPE ty_match_tt.
IF iv_line IS INITIAL OR is_whitespace( iv_line ) = abap_true.
rv_line = iv_line.
rv_line = show_hidden_chars( iv_line ).
RETURN.
ENDIF.
@ -278,4 +299,37 @@ CLASS zcl_abapgit_syntax_highlighter IMPLEMENTATION.
it_matches = lt_matches ).
ENDMETHOD.
METHOD set_hidden_chars.
mv_hidden_chars = iv_hidden_chars.
ENDMETHOD.
METHOD show_hidden_chars.
DATA lv_bom TYPE x LENGTH 3.
rv_line = iv_line.
IF mv_hidden_chars = abap_true.
REPLACE ALL OCCURRENCES OF cl_abap_char_utilities=>horizontal_tab IN rv_line WITH '&nbsp;&rarr;&nbsp;'.
REPLACE ALL OCCURRENCES OF cl_abap_char_utilities=>cr_lf(1) IN rv_line WITH '&para;'.
REPLACE ALL OCCURRENCES OF ` ` IN rv_line WITH '&middot;'.
IF strlen( rv_line ) BETWEEN 1 AND 2.
lv_bom = zcl_abapgit_convert=>string_to_xstring( rv_line ).
IF lv_bom(2) = cl_abap_char_utilities=>byte_order_mark_big.
rv_line = '<span class="red">&squf;</span>'. " UTF-16 big-endian (FE FF)
ENDIF.
IF lv_bom(2) = cl_abap_char_utilities=>byte_order_mark_little.
rv_line = '<span class="red">&compfn;</span>'. " UTF-16 little-endian (FF FE)
ENDIF.
IF lv_bom(3) = cl_abap_char_utilities=>byte_order_mark_utf8.
rv_line = '<span class="red">&curren;</span>'. " UTF-8 (EF BB BF)
ENDIF.
ENDIF.
ENDIF.
ENDMETHOD.
ENDCLASS.

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@ -0,0 +1,35 @@
CLASS zcl_abapgit_syntax_txt DEFINITION
PUBLIC
INHERITING FROM zcl_abapgit_syntax_highlighter
CREATE PUBLIC .
PUBLIC SECTION.
METHODS constructor .
METHODS process_line
REDEFINITION .
PROTECTED SECTION.
PRIVATE SECTION.
ENDCLASS.
CLASS zcl_abapgit_syntax_txt IMPLEMENTATION.
METHOD constructor.
super->constructor( ).
" No rules for plain text files
ENDMETHOD.
METHOD process_line.
rv_line = show_hidden_chars( iv_line ).
ENDMETHOD.
ENDCLASS.

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@ -0,0 +1,16 @@
<?xml version="1.0" encoding="utf-8"?>
<abapGit version="v1.0.0" serializer="LCL_OBJECT_CLAS" serializer_version="v1.0.0">
<asx:abap xmlns:asx="http://www.sap.com/abapxml" version="1.0">
<asx:values>
<VSEOCLASS>
<CLSNAME>ZCL_ABAPGIT_SYNTAX_TXT</CLSNAME>
<LANGU>E</LANGU>
<DESCRIPT>Plain Text Highlighting</DESCRIPT>
<STATE>1</STATE>
<CLSCCINCL>X</CLSCCINCL>
<FIXPT>X</FIXPT>
<UNICODE>X</UNICODE>
</VSEOCLASS>
</asx:values>
</asx:abap>
</abapGit>

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@ -111,11 +111,13 @@ CLASS zcl_abapgit_gui_page_diff DEFINITION
CONSTANTS:
BEGIN OF c_actions,
toggle_unified TYPE string VALUE 'toggle_unified',
toggle_unified TYPE string VALUE 'toggle_unified',
toggle_hidden_chars TYPE string VALUE 'toggle_hidden_chars',
END OF c_actions .
DATA mt_delayed_lines TYPE zif_abapgit_definitions=>ty_diffs_tt .
DATA mv_repo_key TYPE zif_abapgit_persistence=>ty_repo-key .
DATA mv_seed TYPE string . " Unique page id to bind JS sessionStorage
DATA mv_hidden_chars TYPE abap_bool .
METHODS render_diff
IMPORTING
@ -292,9 +294,13 @@ CLASS zcl_abapgit_gui_page_diff IMPLEMENTATION.
METHOD add_menu_end.
io_menu->add( iv_txt = 'Split/Unified view'
io_menu->add( iv_txt = 'Split/Unified'
iv_act = c_actions-toggle_unified ).
io_menu->add( iv_txt = '&para;'
iv_title = 'Toggle Hidden Characters'
iv_act = c_actions-toggle_hidden_chars ).
ENDMETHOD.
@ -646,7 +652,7 @@ CLASS zcl_abapgit_gui_page_diff IMPLEMENTATION.
" Content
IF is_diff-type <> 'binary'.
ri_html->add( '<div class="diff_content">' ).
ri_html->add( |<table class="diff_tab syntax-hl" id={ is_diff-filename }>| ).
ri_html->add( |<table class="diff_tab syntax-hl" id="{ is_diff-filename }">| ).
ri_html->add( render_table_head( is_diff ) ).
ri_html->add( render_lines( is_diff ) ).
ri_html->add( '</table>' ).
@ -741,7 +747,8 @@ CLASS zcl_abapgit_gui_page_diff IMPLEMENTATION.
FIELD-SYMBOLS <ls_diff> LIKE LINE OF lt_diffs.
lo_highlighter = zcl_abapgit_syntax_highlighter=>create( is_diff-filename ).
lo_highlighter = zcl_abapgit_syntax_highlighter=>create( iv_filename = is_diff-filename
iv_hidden_chars = mv_hidden_chars ).
CREATE OBJECT ri_html TYPE zcl_abapgit_html.
lt_diffs = is_diff-o_diff->get( ).
@ -997,7 +1004,12 @@ CLASS zcl_abapgit_gui_page_diff IMPLEMENTATION.
WHEN c_actions-toggle_unified. " Toggle file diplay
mv_unified = zcl_abapgit_persistence_user=>get_instance( )->toggle_diff_unified( ).
rs_handled-state = zcl_abapgit_gui=>c_event_state-re_render.
rs_handled-state = zcl_abapgit_gui=>c_event_state-re_render.
WHEN c_actions-toggle_hidden_chars. " Toggle display of hidden characters
mv_hidden_chars = boolc( mv_hidden_chars = abap_false ).
rs_handled-state = zcl_abapgit_gui=>c_event_state-re_render.
WHEN OTHERS.