JSON_FILE     ::= '['  {EXCHANGEPLANS ','} FILE_APPENDIX  ']'

EXCHANGEPLANS ::= '{' TITLE ',' SUBTITLE ',' STATE ',' ABSENTS ',' EXCHANGES ',' PLAN_APPENDIX '}'
TITLE         ::= '"Titel": {' CONTENT ',' STYLE '}'
SUBTITLE      ::= '"UnterTitel2": {' CONTENT ',' STYLE '}'
STATE         ::= '"Stand": {' CONTENT ',' STYLE '}'
ABSENTS       ::= '"Abwesenheiten": [' [{ABSENT ','} ABSENT] ']'
ABSENT        ::= '{' STYLE ',' '"Kuerzel":' STRING ',' '"Anmerkung":' STRING '}'
EXCHANGES     ::= '"Vertretungen": [' [{EXCHANGE ','} EXCHANGE] ']'
EXCHANGE      ::=  '{' STYLE ',' '"LehrerNeu":' STRING ',' '"VertretungNeu":' STRING ',' '"StundeNeu":' STRING ',' '"KlasseNeu":' STRING ',' '"FachNeu":' STRING ',' '"RaumNeu":' STRING ',' "AnmerkungNeu": STRING '}'

FILE_APPENDIX ::= '{ "after": [' [{PICTURES ','} PICTURES] ']' '}'
PICTURES      ::= '{ "bildUrl":' STRING ',' UEBER ',' TEXT ', "anzeigedauer":' STRING '}'
UEBER         ::= '"Ueber": {' CONTENT ',' STYLE '}'
TEXT          ::= '"Text": {' CONTENT ',' STYLE '}'

STYLE         ::= '"Style": { "fontsize":' POSINT ',' "fontcolor": STRING ',' "backgroundcolor": COLOR '}'
CONTENT       ::= '"Inhalt":' STRING

COLOR         ::= '"' '#' (0..F) (0..F) (0..F) (0..F) (0..F) (0..F) '"'
POSINT        ::= {0..9}
STRING        ::= '"' {(a..z) (A..Z) (0..9) ('!') ('"') ('§') ('$') ('%') ('&') ('/') ('(') (')') ('=') ('?') (';') (':') ('_') (',') ('.') ('-')} '"'