Press n or j to go to the next uncovered block, b, p or k for the previous block.
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PUBLIC
INHERITING FROM zcl_abapgit_syntax_highlighter
CREATE PUBLIC .
PUBLIC SECTION.
CLASS-METHODS class_constructor.
METHODS constructor.
CONSTANTS:
BEGIN OF c_css,
keyword TYPE string VALUE 'keyword',
text TYPE string VALUE 'text',
comment TYPE string VALUE 'comment',
END OF c_css,
BEGIN OF c_token,
keyword TYPE c VALUE 'K',
text TYPE c VALUE 'T',
comment TYPE c VALUE 'C',
END OF c_token,
BEGIN OF c_regex,
comment TYPE string VALUE '##|"|^\*',
text TYPE string VALUE '`|''|\||\{|\}',
keyword TYPE string VALUE '&&|\b[-_a-z0-9]+\b',
END OF c_regex.
PROTECTED SECTION.
CLASS-DATA gt_keywords TYPE HASHED TABLE OF string WITH UNIQUE KEY table_line.
CLASS-METHODS init_keywords.
CLASS-METHODS is_keyword
IMPORTING iv_chunk TYPE string
RETURNING VALUE(rv_yes) TYPE abap_bool.
METHODS order_matches REDEFINITION.
METHODS parse_line REDEFINITION.
PRIVATE SECTION.
ENDCLASS.
CLASS ZCL_ABAPGIT_SYNTAX_ABAP IMPLEMENTATION.
METHOD class_constructor.
init_keywords( ).
ENDMETHOD.
METHOD constructor.
super->constructor( ).
" Initialize instances of regular expression
add_rule( iv_regex = c_regex-keyword
iv_token = c_token-keyword
iv_style = c_css-keyword ).
add_rule( iv_regex = c_regex-comment
iv_token = c_token-comment
iv_style = c_css-comment ).
add_rule( iv_regex = c_regex-text
iv_token = c_token-text
iv_style = c_css-text ).
ENDMETHOD.
METHOD init_keywords.
DATA: lv_keywords TYPE string,
lt_keywords TYPE STANDARD TABLE OF string.
lv_keywords =
'&&|?TO|ABAP-SOURCE|ABBREVIATED|ABS|ABSTRACT|ACCEPT|ACCEPTING' &&
'|ACCORDING|ACOS|ACTIVATION|ACTUAL|ADD|ADD-CORRESPONDING|ADJACENT|AFTER|ALIAS' &&
'|ALIASES|ALIGN|ALL|ALLOCATE|ALPHA|ANALYSIS|ANALYZER|AND|ANY|APPEND|APPENDAGE' &&
'|APPENDING|APPLICATION|ARCHIVE|AREA|ARITHMETIC|AS|ASCENDING|ASIN|ASPECT|ASSERT' &&
'|ASSIGN|ASSIGNED|ASSIGNING|ASSOCIATION|ASYNCHRONOUS|AT|ATAN|ATTRIBUTES|AUTHORITY' &&
'|AUTHORITY-CHECK|AVG|BACK|BACKGROUND|BACKUP|BACKWARD|BADI|BASE|BEFORE|BEGIN' &&
'|BETWEEN|BIG|BINARY|BIT|BIT-AND|BIT-NOT|BIT-OR|BIT-XOR|BLACK|BLANK' &&
'|BLANKS|BLOB|BLOCK|BLOCKS|BLUE|BOUND|BOUNDARIES|BOUNDS|BOXED|BREAK-POINT|BT' &&
'|BUFFER|BY|BYPASSING|BYTE|BYTE-CA|BYTE-CN|BYTE-CO|BYTE-CS|BYTE-NA|BYTE-NS' &&
'|BYTE-ORDER|C|CA|CALL|CALLING|CASE|CAST|CASTING|CATCH|CEIL|CENTER|CENTERED' &&
'|CHAIN|CHAIN-INPUT|CHAIN-REQUEST|CHANGE|CHANGING|CHANNELS|CHARACTER|CHARLEN' &&
'|CHAR-TO-HEX|CHECK|CHECKBOX|CI_|CIRCULAR|CLASS|CLASS-CODING|CLASS-DATA' &&
'|CLASS-EVENTS|CLASS-METHODS|CLASS-POOL|CLEANUP|CLEAR|CLIENT|CLOB|CLOCK|CLOSE' &&
'|CN|CO|COALESCE|CODE|CODING|COL_BACKGROUND|COL_GROUP|COL_HEADING|COL_KEY' &&
'|COL_NEGATIVE|COL_NORMAL|COL_POSITIVE|COL_TOTAL|COLLECT|COLOR|COLUMN|COLUMNS' &&
'|COMMENT|COMMENTS|COMMIT|COMMON|COMMUNICATION|COMPARING|COMPONENT|COMPONENTS' &&
'|COMPRESSION|COMPUTE|CONCAT|CONCATENATE|COND|CONDENSE|CONDITION|CONNECT' &&
'|CONNECTION|CONSTANTS|CONTEXT|CONTEXTS|CONTINUE|CONTROL|CONTROLS|CONV|CONVERSION' &&
'|CONVERT|COPIES|COPY|CORRESPONDING|COS|COSH|COUNT|COUNTRY|COVER|CP|CPI|CREATE' &&
'|CREATING|CRITICAL|CS|CURRENCY|CURRENCY_CONVERSION|CURRENT|CURSOR|CURSOR-SELECTION' &&
'|CUSTOMER|CUSTOMER-FUNCTION|DANGEROUS|DATA|DATABASE|DATAINFO|DATASET|DATE' &&
'|DAYLIGHT|DBMAXLEN|DD/MM/YY|DD/MM/YYYY|DDMMYY|DEALLOCATE|DECIMAL_SHIFT|DECIMALS' &&
'|DECLARATIONS|DEEP|DEFAULT|DEFERRED|DEFINE|DEFINING|DEFINITION|DELETE|DELETING' &&
'|DEMAND|DEPARTMENT|DESCENDING|DESCRIBE|DESTINATION|DETAIL|DIALOG|DIRECTORY' &&
'|DISCONNECT|DISPLAY|DISPLAY-MODE|DISTANCE|DISTINCT|DIV|DIVIDE|DIVIDE-CORRESPONDING' &&
'|DIVISION|DO|DUMMY|DUPLICATE|DUPLICATES|DURATION|DURING|DYNAMIC|DYNPRO' &&
'|EDIT|EDITOR-CALL|ELSE|ELSEIF|EMPTY|ENABLED|ENABLING|ENCODING|END|ENDAT|ENDCASE' &&
'|ENDCATCH|ENDCHAIN|ENDCLASS|ENDDO|ENDENHANCEMENT|END-ENHANCEMENT-SECTION' &&
'|ENDEXEC|ENDFORM|ENDFUNCTION|ENDIAN|ENDIF|ENDING|ENDINTERFACE' &&
'|END-LINES|ENDLOOP|ENDMETHOD|ENDMODULE|END-OF-DEFINITION|END-OF-FILE' &&
'|END-OF-PAGE|END-OF-SELECTION|ENDON|ENDPROVIDE|ENDSELECT|ENDTRY|ENDWHILE' &&
'|ENGINEERING|ENHANCEMENT|ENHANCEMENT-POINT|ENHANCEMENTS|ENHANCEMENT-SECTION' &&
'|ENTRIES|ENTRY|ENVIRONMENT|EQ|EQUIV|ERRORMESSAGE|ERRORS|ESCAPE|ESCAPING' &&
'|EVENT|EVENTS|EXACT|EXCEPT|EXCEPTION|EXCEPTIONS|EXCEPTION-TABLE|EXCLUDE|EXCLUDING' &&
'|EXEC|EXECUTE|EXISTS|EXIT|EXIT-COMMAND|EXP|EXPAND|EXPANDING|EXPIRATION|EXPLICIT' &&
'|EXPONENT|EXPORT|EXPORTING|EXTEND|EXTENDED|EXTENSION|EXTRACT|FAIL|FETCH|FIELD' &&
'|FIELD-GROUPS|FIELDS|FIELD-SYMBOL|FIELD-SYMBOLS|FILE|FILTER|FILTERS|FILTER-TABLE' &&
'|FINAL|FIND|FIRST|FIRST-LINE|FIXED-POINT|FKEQ|FKGE|FLOOR|FLUSH|FONT|FOR|FORM' &&
'|FORMAT|FORWARD|FOUND|FRAC|FRAME|FRAMES|FREE|FRIENDS|FROM|FUNCTION|FUNCTIONALITY' &&
'|FUNCTION-POOL|FURTHER|GAPS|GE|GENERATE|GET|GIVING|GKEQ|GKGE|GLOBAL|GRANT' &&
'|GREEN|GROUP|GROUPS|GT|HANDLE|HANDLER|HARMLESS|HASHED|HAVING|HDB|HEADER|HEADERS' &&
'|HEADING|HEAD-LINES|HELP-ID|HELP-REQUEST|HIDE|HIGH|HINT|HOLD|HOTSPOT|I|ICON|ID' &&
'|IDENTIFICATION|IDENTIFIER|IDS|IF|IGNORE|IGNORING|IMMEDIATELY|IMPLEMENTATION' &&
'|IMPLEMENTATIONS|IMPLEMENTED|IMPLICIT|IMPORT|IMPORTING|IN|INACTIVE|INCL|INCLUDE' &&
'|INCLUDES|INCLUDING|INCREMENT|INDEX|INDEX-LINE|INFOTYPES|INHERITING|INIT|INITIAL' &&
'|INITIALIZATION|INNER|INOUT|INPUT|INSERT|INSTANCES|INTENSIFIED|INTERFACE' &&
'|INTERFACE-POOL|INTERFACES|INTERNAL|INTERVALS|INTO|INVERSE|INVERTED-DATE|IS' &&
'|ISO|JOB|JOIN|KEEP|KEEPING|KERNEL|KEY|KEYS|KEYWORDS|KIND' &&
'|LANGUAGE|LAST|LATE|LAYOUT|LE|LEADING|LEAVE|LEFT|LEFT-JUSTIFIED|LEFTPLUS' &&
'|LEFTSPACE|LEGACY|LENGTH|LET|LEVEL|LEVELS|LIKE|LINE|LINE-COUNT|LINEFEED' &&
'|LINES|LINE-SELECTION|LINE-SIZE|LIST|LISTBOX|LIST-PROCESSING|LITTLE|LLANG' &&
'|LOAD|LOAD-OF-PROGRAM|LOB|LOCAL|LOCALE|LOCATOR|LOG|LOG10|LOGFILE|LOGICAL' &&
'|LOG-POINT|LONG|LOOP|LOW|LOWER|LPAD|LPI|LT|M|MAIL|MAIN|MAJOR-ID|MAPPING|MARGIN' &&
'|MARK|MASK|MATCH|MATCHCODE|MAX|MAXIMUM|MEDIUM|MEMBERS|MEMORY|MESH|MESSAGE' &&
'|MESSAGE-ID|MESSAGES|MESSAGING|METHOD|METHODS|MIN|MINIMUM|MINOR-ID|MM/DD/YY' &&
'|MM/DD/YYYY|MMDDYY|MOD|MODE|MODIF|MODIFIER|MODIFY|MODULE|MOVE|MOVE-CORRESPONDING' &&
'|MULTIPLY|MULTIPLY-CORRESPONDING|NA|NAME|NAMETAB|NATIVE|NB|NE|NESTED|NESTING' &&
'|NEW|NEW-LINE|NEW-PAGE|NEW-SECTION|NEXT|NO|NODE|NODES|NO-DISPLAY' &&
'|NO-EXTENSION|NO-GAP|NO-GAPS|NO-GROUPING|NO-HEADING|NON-UNICODE|NON-UNIQUE' &&
'|NO-SCROLLING|NO-SIGN|NOT|NO-TITLE|NO-TOPOFPAGE|NO-ZERO|NP|NS|NULL|NUMBER' &&
'|NUMOFCHAR|O|OBJECT|OBJECTS|OBLIGATORY|OCCURRENCE|OCCURRENCES|OCCURS|OF|OFF' &&
'|OFFSET|OLE|ON|ONLY|OPEN|OPTION|OPTIONAL|OPTIONS|OR|ORDER|OTHER|OTHERS|OUT' &&
'|OUTER|OUTPUT|OUTPUT-LENGTH|OVERFLOW|OVERLAY|PACK|PACKAGE|PAD|PADDING|PAGE' &&
'|PAGES|PARAMETER|PARAMETERS|PARAMETER-TABLE|PART|PARTIALLY|PATTERN|PERCENTAGE' &&
'|PERFORM|PERFORMING|PERSON|PF1|PF2|PF3|PF4|PF5|PF6|PF7|PF8|PF9|PF10|PF11|PF12' &&
'|PF13|PF14|PF15|PF-STATUS|PINK|PLACES|POOL|POS_HIGH|POS_LOW' &&
'|POSITION|PRAGMAS|PRECOMPILED|PREFERRED|PRESERVING|PRIMARY|PRINT|PRINT-CONTROL' &&
'|PRIORITY|PRIVATE|PROCEDURE|PROCESS|PROGRAM|PROPERTY|PROTECTED|PROVIDE|PUBLIC' &&
'|PUSHBUTTON|PUT|QUEUE-ONLY|QUICKINFO|RADIOBUTTON|RAISE|RAISING|RANGE|RANGES' &&
'|RAW|READ|READER|READ-ONLY|RECEIVE|RECEIVED|RECEIVER|RECEIVING|RED|REDEFINITION' &&
'|REDUCE|REDUCED|REF|REFERENCE|REFRESH|REGEX|REJECT|REMOTE|RENAMING|REPLACE' &&
'|REPLACEMENT|REPLACING|REPORT|REQUEST|REQUESTED|RESERVE|RESET|RESOLUTION' &&
'|RESPECTING|RESPONSIBLE|RESULT|RESULTS|RESUMABLE|RESUME|RETRY|RETURN|RETURNCODE' &&
'|RETURNING|RIGHT|RIGHT-JUSTIFIED|RIGHTPLUS|RIGHTSPACE|RISK|RMC_COMMUNICATION_FAILURE' &&
'|RMC_INVALID_STATUS|RMC_SYSTEM_FAILURE|ROLE|ROLLBACK|ROUND|ROWS|RUN|SAP' &&
'|SAP-SPOOL|SAVING|SCALE_PRESERVING|SCALE_PRESERVING_SCIENTIFIC|SCAN|SCIENTIFIC' &&
'|SCIENTIFIC_WITH_LEADING_ZERO|SCREEN|SCROLL|SCROLL-BOUNDARY|SCROLLING|SEARCH' &&
'|SECONDARY|SECONDS|SECTION|SELECT|SELECTION|SELECTIONS|SELECTION-SCREEN|SELECTION-SET' &&
'|SELECTION-SETS|SELECTION-TABLE|SELECT-OPTIONS|SEND|SEPARATE|SEPARATED|SET' &&
'|SHARED|SHIFT|SHORT|SHORTDUMP-ID|SIGN|SIGN_AS_POSTFIX|SIMPLE|SIN|SINGLE|SINH|SIZE' &&
'|SKIP|SKIPPING|SMART|SOME|SORT|SORTABLE|SORTED|SOURCE|SPACE|SPECIFIED|SPLIT|SPOOL' &&
'|SPOTS|SQL|SQLSCRIPT|SQRT|STABLE|STAMP|STANDARD|STARTING|START-OF-SELECTION|STATE' &&
'|STATEMENT|STATEMENTS|STATIC|STATICS|STATUSINFO|STEP-LOOP|STOP|STRLEN|STRUCTURE' &&
'|STRUCTURES|STYLE|SUBKEY|SUBMATCHES|SUBMIT|SUBROUTINE|SUBSCREEN|SUBSTRING|SUBTRACT' &&
'|SUBTRACT-CORRESPONDING|SUFFIX|SUM|SUMMARY|SUMMING|SUPPLIED|SUPPLY|SUPPRESS|SWITCH' &&
'|SWITCHSTATES|SYMBOL|SYNCPOINTS|SYNTAX|SYNTAX-CHECK|SYNTAX-TRACE' &&
'|SYSTEM-CALL|SYSTEM-EXCEPTIONS|SYSTEM-EXIT|TAB|TABBED|TABLE|TABLES|TABLEVIEW|TABSTRIP' &&
'|TAN|TANH|TARGET|TASK|TASKS|TEST|TESTING|TEXT|TEXTPOOL|THEN|THROW|TIME|TIMES|TIMESTAMP' &&
'|TIMEZONE|TITLE|TITLEBAR|TITLE-LINES|TO|TOKENIZATION|TOKENS|TOP-LINES|TOP-OF-PAGE' &&
'|TRACE-FILE|TRACE-TABLE|TRAILING|TRANSACTION|TRANSFER|TRANSFORMATION|TRANSLATE' &&
'|TRANSPORTING|TRMAC|TRUNC|TRUNCATE|TRUNCATION|TRY|TYPE|TYPE-POOL|TYPE-POOLS|TYPES' &&
'|ULINE|UNASSIGN|UNDER|UNICODE|UNION|UNIQUE|UNIT|UNIT_CONVERSION|UNIX|UNPACK|UNTIL' &&
'|UNWIND|UP|UPDATE|UPPER|USER|USER-COMMAND|USING|UTF-8|VALID|VALUE|VALUE-REQUEST|VALUES' &&
'|VARY|VARYING|VERIFICATION-MESSAGE|VERSION|VIA|VIEW|VISIBLE|WAIT|WARNING|WHEN|WHENEVER' &&
'|WHERE|WHILE|WIDTH|WINDOW|WINDOWS|WITH|WITH-HEADING|WITHOUT|WITH-TITLE|WORD|WORK' &&
'|WRITE|WRITER|X|XML|XSD|XSTRLEN|YELLOW|YES|YYMMDD|Z|ZERO|ZONE' &&
'|BINTOHEX|CHAR|CLNT|CONCAT_WITH_SPACE|CURR|DATS|DATS_ADD_DAYS|DATS_ADD_MONTHS' &&
'|DATS_DAYS_BETWEEN|DATS_IS_VALID|DEC|END-OF-EDITING|END-TEST-INJECTION|END-TEST-SEAM' &&
'|ENDWITH|ENUM|HEXTOBIN|INSTANCE|INSTR|LANG|LTRIM|NUMC|PUSH' &&
'|QUAN|RETURNS|RPAD|RTRIM|SSTRING|START-OF-EDITING|TEST-INJECTION|TEST-SEAM|TIMS' &&
'|TIMS_IS_VALID|TSTMP_ADD_SECONDS|TSTMP_CURRENT_UTCTIMESTAMP|TSTMP_IS_VALID' &&
'|TSTMP_SECONDS_BETWEEN|B|D|DECFLOAT16|DECFLOAT34|F|INT8|N|P|S|STRING|T|UTCLONG|XSTRING' &&
'|ABAP_BOOL|ACCP|CUKY|DF16_DEC|DF16_RAW|DF34_DEC|DF34_RAW|FLTP' &&
'|INT1|INT2|INT4|LCHR|LRAW|RAWSTRING|DF16_SCL|DF34_SCL' &&
'|PREC|VARC|CLIKE|CSEQUENCE|DECFLOAT|NUMERIC|XSEQUENCE|ME|SYST|SY' &&
'|BIT-SET|BOOLC|BOOLX|CHAR_OFF|CMAX|CMIN|CONCAT_LINES_OF|CONTAINS|CONTAINS_ANY_NOT_OF' &&
'|CONTAINS_ANY_OF|COUNT_ANY_NOT_OF|COUNT_ANY_OF|FIND_ANY_NOT_OF|FIND_ANY_OF|FIND_END' &&
'|FROM_MIXED|IPOW|LINE_EXISTS|LINE_INDEX|MATCHES|NMAX|NMIN|REPEAT|RESCALE|REVERSE' &&
'|SEGMENT|SHIFT_LEFT|SHIFT_RIGHT|SUBSTRING_AFTER|SUBSTRING_BEFORE|SUBSTRING_FROM|SUBSTRING_TO' &&
'|TO_LOWER|TO_MIXED|TO_UPPER|UTCLONG_ADD|UTCLONG_CURRENT|UTCLONG_DIFF|XSDBOOL'.
SPLIT lv_keywords AT '|' INTO TABLE lt_keywords.
" remove duplicates to avoid dumps when converting to a hash table
SORT lt_keywords BY table_line ASCENDING.
DELETE ADJACENT DUPLICATES FROM lt_keywords.
gt_keywords = lt_keywords. " Hash table
ENDMETHOD.
METHOD is_keyword.
DATA lv_str TYPE string.
lv_str = to_upper( iv_chunk ).
READ TABLE gt_keywords WITH KEY table_line = lv_str TRANSPORTING NO FIELDS.
rv_yes = boolc( sy-subrc = 0 ).
ENDMETHOD.
METHOD order_matches.
DATA:
lv_index TYPE sy-tabix,
lv_line_len TYPE i,
lv_prev_token TYPE c.
FIELD-SYMBOLS:
<ls_prev> TYPE ty_match,
<ls_match> TYPE ty_match.
SORT ct_matches BY offset.
lv_line_len = strlen( iv_line ).
LOOP AT ct_matches ASSIGNING <ls_match>.
lv_index = sy-tabix.
" Delete matches after open text match
IF lv_prev_token = c_token-text AND <ls_match>-token <> c_token-text.
DELETE ct_matches INDEX lv_index.
CONTINUE.
ENDIF.
CASE <ls_match>-token.
WHEN c_token-keyword.
IF <ls_match>-offset > 0
AND substring( val = iv_line
off = ( <ls_match>-offset - 1 )
len = 1 ) CA '-<'.
" Delete match if keyword is part of structure or field symbol
DELETE ct_matches INDEX lv_index.
CONTINUE.
ENDIF.
WHEN c_token-comment.
<ls_match>-length = lv_line_len - <ls_match>-offset.
DELETE ct_matches FROM lv_index + 1.
CONTINUE.
WHEN c_token-text.
<ls_match>-text_tag = substring( val = iv_line
off = <ls_match>-offset
len = <ls_match>-length ).
IF lv_prev_token = c_token-text.
IF <ls_match>-text_tag = <ls_prev>-text_tag.
<ls_prev>-length = <ls_match>-offset + <ls_match>-length - <ls_prev>-offset.
CLEAR lv_prev_token.
ELSEIF <ls_prev>-text_tag = '}' AND <ls_match>-text_tag = '{'.
<ls_prev>-length = <ls_match>-offset - <ls_prev>-offset - 1. " Shift } out of scope
<ls_prev>-offset = <ls_prev>-offset + 1. " Shift { out of scope
CLEAR lv_prev_token.
ELSEIF <ls_match>-text_tag = '{'.
<ls_prev>-length = <ls_match>-offset - <ls_prev>-offset.
CLEAR lv_prev_token.
ELSEIF <ls_prev>-text_tag = '}'.
<ls_prev>-length = <ls_match>-offset - <ls_prev>-offset.
<ls_prev>-offset = <ls_prev>-offset + 1. " Shift } out of scope
CLEAR lv_prev_token.
ENDIF.
DELETE ct_matches INDEX lv_index.
CONTINUE.
ENDIF.
ENDCASE.
lv_prev_token = <ls_match>-token.
ASSIGN <ls_match> TO <ls_prev>.
ENDLOOP.
ENDMETHOD.
METHOD parse_line. "REDEFINITION
DATA lv_index TYPE i.
FIELD-SYMBOLS <ls_match> LIKE LINE OF rt_matches.
rt_matches = super->parse_line( iv_line ).
" Remove non-keywords
LOOP AT rt_matches ASSIGNING <ls_match> WHERE token = c_token-keyword.
lv_index = sy-tabix.
IF abap_false = is_keyword( substring( val = iv_line
off = <ls_match>-offset
len = <ls_match>-length ) ).
DELETE rt_matches INDEX lv_index.
ENDIF.
ENDLOOP.
ENDMETHOD.
ENDCLASS.
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