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% Copyright 2022 by Qrrbrbirlbel
%
% This file may be distributed and/or modified
%
% 1. under the LaTeX Project Public License and/or
% 2. under the GNU Free Documentation License.
%
\pgfqkeys{/pgf/calendar}{
style/.style={#1},
yesterday/.value required,
yesterday/.code={%
\begingroup
\pgfutil@tempcnta=\pgfcalendarifdatejulian\relax
\advance\pgfutil@tempcnta by -1\relax
\pgfcalendarjuliantodate{\pgfutil@tempcnta}{\pgfcalendarifdateyear}{\pgfcalendarifdatemonth}{\pgfcalendarifdateday}%
\edef\pgfcalendarifdatejulian{\the\pgfutil@tempcnta}%
\pgfcalendarjuliantoweekday\pgfutil@tempcnta\pgfutil@tempcntb
\edef\pgfcalendarifdateweekday{\the\pgfutil@tempcntb}%
\pgfcalendarjulianyeartoweek\pgfutil@tempcnta\pgfcalendarifdateyear\pgfutil@tempcntb
\edef\pgfcalendarifdateweek{\the\pgfutil@tempcntb}%
\pgfcalendar@launch@ifdate{#1}{%
\def\pgf@cal@temp{\pgfcalendarmatchestrue}%
}{%
\let\pgf@cal@temp\pgfutil@empty
}%
\expandafter
\endgroup\pgf@cal@temp
},
relative/.code 2 args={%
\begingroup
\pgfutil@tempcnta=\pgfcalendarifdatejulian\relax
\advance\pgfutil@tempcnta by #1\relax
\pgfcalendarjuliantodate{\pgfutil@tempcnta}{\pgfcalendarifdateyear}{\pgfcalendarifdatemonth}{\pgfcalendarifdateday}%
\edef\pgfcalendarifdatejulian{\the\pgfutil@tempcnta}%
\pgfcalendarjuliantoweekday\pgfutil@tempcnta\pgfutil@tempcntb
\edef\pgfcalendarifdateweekday{\the\pgfutil@tempcntb}%
\pgfcalendarjulianyeartoweek\pgfutil@tempcnta\pgfcalendarifdateyear\pgfutil@tempcntb
\edef\pgfcalendarifdateweek{\the\pgfutil@tempcntb}%
\pgfcalendar@launch@ifdate{#2}{%
\def\pgf@cal@temp{\pgfcalendarmatchestrue}%
}{%
\let\pgf@cal@temp\pgfutil@empty
}%
\expandafter
\endgroup\pgf@cal@temp
},
Jan/.code={\ifnum\pgfcalendarifdatemonth=1 \expandafter\pgfcalendarmatchestrue\fi},Jan/.value forbidden,
Feb/.code={\ifnum\pgfcalendarifdatemonth=2 \expandafter\pgfcalendarmatchestrue\fi},Feb/.value forbidden,
Mar/.code={\ifnum\pgfcalendarifdatemonth=3 \expandafter\pgfcalendarmatchestrue\fi},Mar/.value forbidden,
Apr/.code={\ifnum\pgfcalendarifdatemonth=4 \expandafter\pgfcalendarmatchestrue\fi},Apr/.value forbidden,
May/.code={\ifnum\pgfcalendarifdatemonth=5 \expandafter\pgfcalendarmatchestrue\fi},May/.value forbidden,
Jun/.code={\ifnum\pgfcalendarifdatemonth=6 \expandafter\pgfcalendarmatchestrue\fi},Jun/.value forbidden,
Jul/.code={\ifnum\pgfcalendarifdatemonth=7 \expandafter\pgfcalendarmatchestrue\fi},Jul/.value forbidden,
Aug/.code={\ifnum\pgfcalendarifdatemonth=8 \expandafter\pgfcalendarmatchestrue\fi},Aug/.value forbidden,
Sep/.code={\ifnum\pgfcalendarifdatemonth=9 \expandafter\pgfcalendarmatchestrue\fi},Sep/.value forbidden,
Oct/.code={\ifnum\pgfcalendarifdatemonth=10 \expandafter\pgfcalendarmatchestrue\fi},Oct/.value forbidden,
Nov/.code={\ifnum\pgfcalendarifdatemonth=11 \expandafter\pgfcalendarmatchestrue\fi},Nov/.value forbidden,
Dec/.code={\ifnum\pgfcalendarifdatemonth=12 \expandafter\pgfcalendarmatchestrue\fi},Dec/.value forbidden,
%
leap year/.code={%
\pgfutil@tempcnta=#1\relax
\divide\pgfutil@tempcnta4
\multiply\pgfutil@tempcnta4
\ifnum\pgfutil@tempcnta=#1\relax
\divide\pgfutil@tempcnta100
\multiply\pgfutil@tempcnta100
\ifnum\pgfutil@tempcnta=#1\relax
\divide\pgfutil@tempcnta400
\multiply\pgfutil@tempcnta400
\ifnum\pgfutil@tempcnta=#1\relax
\pgfcalendarmatchestrue
\fi
\else
\pgfcalendarmatchestrue
\fi
\fi},
leap year/.default=\pgfcalendarifdateyear,
between days/.value required,
between days/.code args={#1and#2}{%
\pgfutil@tempcnta=#1\relax
\ifnum\pgfcalendarifdateday<\pgfutil@tempcnta\else
\pgfutil@tempcnta=#2\relax
\ifnum\pgfcalendarifdateday>\pgfutil@tempcnta\else
\pgfcalendarmatchestrue\fi\fi},
week of month/.code={%
\pgfutil@tempcnta=#1\relax
\multiply\pgfutil@tempcnta7
\ifnum\pgfcalendarifdateday>\pgfutil@tempcnta\else
\advance\pgfutil@tempcnta-7
\ifnum\pgfcalendarifdateday>\pgfutil@tempcnta
\pgfcalendarmatchestrue
\fi
\fi},
week of month'/.code={%
\pgfcalendar@getlastYMX\pgfcalendarifdateyear\pgfcalendarifdatemonth\pgfutil@tempcnta
\advance\pgfutil@tempcnta1
\pgfutil@tempcntb=#1\relax
\multiply\pgfutil@tempcntb7
\advance\pgfutil@tempcnta-\pgfutil@tempcntb
\ifnum\pgfcalendarifdateday<\pgfutil@tempcnta\else
\advance\pgfutil@tempcnta+7
\ifnum\pgfcalendarifdateday<\pgfutil@tempcnta
\pgfcalendarmatchestrue
\fi
\fi},
first/.code={\pgfutil@in@:{#1}\ifpgfutil@in@
\pgfcalendar@ifdate@first{}#1\pgf@stop\else
\pgfcalendar@ifdate@first{}1:#1\pgf@stop\fi},
last/.code={\pgfutil@in@:{#1}\ifpgfutil@in@
\pgfcalendar@ifdate@first'#1\pgf@stop\else
\pgfcalendar@ifdate@first'1:#1\pgf@stop\fi},
% logic
not/.value required,
not/.code=%
\begingroup
\let\pgf@cal@tempa\pgfutil@empty
\pgfcalendar@launch@ifdate{#1}{}{\def\pgf@cal@tempa{\pgfcalendarmatchestrue}}%
\expandafter\endgroup\pgf@cal@tempa,
and/.value required,
and/.code=% and = {<cond 1>, <cond 2>, <cond 3>, …}
\begingroup
\pgfcalendarmatchestrue
\pgfqkeys{/pgf/calendar/and}{#1}%
\ifpgfcalendarmatches % is it still true?
\expandafter\pgfutil@firstoftwo
\else
\expandafter\pgfutil@secondoftwo
\fi
{\def\pgf@cal@temp{\pgfcalendarmatchestrue}}%
{\let\pgf@cal@temp\pgfutil@empty}%
\expandafter\endgroup\pgf@cal@temp,
and/.unknown/.code=% only inside the group of and/.code
\ifpgfcalendarmatches
\expandafter\pgfutil@firstofone
\else
\expandafter\pgfutil@gobble
\fi
{%
\begingroup
\pgfcalendar@launch@ifdate{\pgfkeyscurrentname={#1}}%
{\let\pgf@cal@temp\pgfutil@empty}{\def\pgf@cal@temp{\pgfcalendarmatchesfalse}}
\expandafter\endgroup\pgf@cal@temp
},%
calendar week of month/.default=1,
calendar week of month'/.default=1,
calendar week of month/.code={%
\begingroup
\pgfutil@tempcnta=\pgfcalendarifdateday\relax
\advance\pgfutil@tempcnta by 5
\advance\pgfutil@tempcnta by -\pgfcalendarifdateweekday\relax
\divide\pgfutil@tempcnta by 7
\advance\pgfutil@tempcnta by -#1\relax
\expandafter\endgroup\expandafter
\ifnum\the\pgfutil@tempcnta=-1
\pgfcalendarmatchestrue
\fi},
calendar week of month'/.code={%
\begingroup
\pgfcalendar@getlastYMX\pgfcalendarifdateyear\pgfcalendarifdatemonth\pgfutil@tempcnta
\advance\pgfutil@tempcnta by -\pgfcalendarifdateday\relax
\edef\pgfcalendarifdateday{\the\pgfutil@tempcnta}%
\pgfutil@tempcnta=-\pgfcalendarifdateweekday\relax
\advance\pgfutil@tempcnta by 5
\edef\pgfcalendarifdateweekday{\the\pgfutil@tempcnta}%
\let\pgf@cal@temp\pgfutil@empty
\pgfcalendar@launch@ifdate{calendar week of month={#1}}{\def\pgf@cal@temp{\pgfcalendarmatchestrue}}{}%
\expandafter\endgroup\pgf@cal@temp}}
\def\pgfcalendar@ifdate@first#1#2:#3\pgf@stop{%
\pgfqkeys{/pgf/calendar}{and={#3, week of month#1={#2}}}}
\def\pgfcalendar@getlastYMX#1#2#3{% #1 = year, #2 = month, #3 := last day
\begingroup
\ifnum#2=2 % stupid February
\pgfcalendarmatchesfalse
\pgfqkeys{/pgf/calendar}{leap year={#1}}%
\ifpgfcalendarmatches
#3=29
\else
#3=28
\fi
\else
#3=\ifcase#2\relax\or
31\or\or31\or30\or31\or30\or31\or31\or30\or31\or30\or31\fi
\fi
\edef\pgf@cal@temp{#3=\the#3\relax}
\expandafter
\endgroup\pgf@cal@temp}
%
% weeks
%
\def\pgfcalendar@week@setup#1{%
\pgfutil@IfUndefined{pgfcalendar@week@#1}{%
\begingroup
\pgfcalendardatetojulian{#1-01-01}\pgfutil@tempcnta
\pgfcalendarjuliantoweekday\pgfutil@tempcnta\pgfutil@tempcntb
%
% tempcnta holds the julian number for first day of the current year
% tempcntb holds the weekday for the first day of the current year
%
% set tempcnta to the Monday of the week with first day of current year
\advance\pgfutil@tempcnta by -\pgfutil@tempcntb
%
% if the first week starts at Fri, Sat or Sun, next week is the 1st week
\ifnum\pgfutil@tempcntb>3\relax
\advance\pgfutil@tempcnta by 7\relax
\fi
% setup macro for year with {Julian number for day of first week}{weekday of -01-01}
\expandafter\xdef\csname pgfcalendar@week@#1\endcsname{{\the\pgfutil@tempcnta}{\the\pgfutil@tempcntb}}%
\endgroup
}{}%
}
\def\pgfcalendarjulianyeartoweek#1#2#3{\pgfcalendarjulianyeartoweek@{#1}{#2}{#3}{\iftrue}}
\def\pgfcalendarjulianyeartoweek@#1#2#3#4{%
% #1 = julian date (count)
% #2 = year
% #3 = count that holds the week at the end
% #4 = \iftrue or \iffalse: whether week 53 needs to be checked (\iffalse when determing week from next year)
\begingroup
\pgfcalendar@week@setup{#2}%
#3=#1\relax
%
% calculate difference of days between current date and start of week 1
%
\advance#3 by -\expandafter\expandafter\expandafter\pgfutil@firstoftwo\csname pgfcalendar@week@#2\endcsname\relax
\ifnum#3<0\relax % whoops, we are in the week of the previous year
\expandafter\pgfutil@firstoftwo
\else
\expandafter\pgfutil@secondoftwo
\fi
{% if first day of the year is Fri, Sat or Sun
\ifnum\expandafter\expandafter\expandafter\pgfutil@secondoftwo\csname pgfcalendar@week@#2\endcsname>3\relax
\expandafter\pgfutil@firstoftwo
\else
\expandafter\pgfutil@secondoftwo
\fi
{% we need to check the week of the previous year
#3=#2\relax
\advance#3 by -1
\edef\pgf@cal@temp{\noexpand\pgfcalendarjulianyeartoweek@{#1}{\the#3}{#3}\noexpand\iffalse}%
\pgf@cal@temp
}{% yeah, it's weird
\divide#3 by 7
\advance#3 by 1
}%
}{%
\divide#3 by 7
\advance#3 by 1
#4%
\expandafter\pgfutil@firstofone
\else
\expandafter\pgfutil@gobble
\fi
{%
\ifnum#3=53\relax % whoops, we are possibly in the first week of the next year
\expandafter\pgfutil@firstofone
\else
\expandafter\pgfutil@gobble
\fi
{%
\begingroup
% check whether we're already in week 1 of the next year
#3=#2\relax
\advance#3 by 1
\expandafter\pgfcalendar@week@setup\expandafter{\the#3}%
\ifnum#1<\expandafter\expandafter\expandafter\pgfutil@firstoftwo\csname pgfcalendar@week@\the#3\endcsname\relax
#3=53
\else
#3=1
\fi
\expandafter
\endgroup\expandafter#3\the#3\relax
}%
}%
}%
\expandafter
\endgroup\expandafter
#3\the#3\relax
}
%
% shorthands for weeks (n)
%
% n-: shortest
% n=: shortest but prepends whitespace
% n0: leading zero
%
\expandafter\def\csname pgfcalendar@shorthand@n-\endcsname{%
\if0\pgfcalendarcurrentweek\else\pgfcalendarcurrentweek\fi}
\expandafter\def\csname pgfcalendar@shorthand@n=\endcsname{%
{\pgfutil@tempcnta=\pgfcalendarcurrentweek\relax\ifnum\pgfutil@tempcnta<10\relax\setbox0=\hbox{1}\kern\wd0\relax\fi\the\pgfutil@tempcnta}}
\expandafter\def\csname pgfcalendar@shorthand@n0\endcsname{%
\pgfcalendarcurrentweek}
%
% Overwriting original \pgfcalendar
%
\long\def\pgfcalendar#1#2#3#4{%
\begingroup%
% Setup local \ifdate
\let\ifdate=\pgfcalendar@local@ifdate%
% Let's start with computing start and end dates...
\def\pgfcalendarprefix{#1}%
\pgfcalendardatetojulian{#2}{\pgfcalendarcurrentjulian}%
\edef\pgfcalendarbeginjulian{\the\pgfcalendarcurrentjulian}%
\edef\pgfcalendarbeginiso{#2}%
\pgfcalendardatetojulian{#3}{\pgfutil@tempcnta}%
\edef\pgfcalendarendjulian{\the\pgfutil@tempcnta}%
\advance\pgfutil@tempcnta by1\relax%
\edef\pgfcalendarendjulianplus{\the\pgfutil@tempcnta}%
\edef\pgfcalendarendiso{#3}%
%
% Start main loop
%
\loop%
\ifnum\pgfcalendarcurrentjulian<\pgfcalendarendjulianplus\relax%
% Setup information about current date
\pgfcalendarjuliantodate{\pgfcalendarcurrentjulian}%
{\pgfcalendarcurrentyear}{\pgfcalendarcurrentmonth}{\pgfcalendarcurrentday}%
\pgfcalendarjuliantoweekday{\pgfcalendarcurrentjulian}{\pgfutil@tempcntb}%
\edef\pgfcalendarcurrentweekday{\the\pgfutil@tempcntb}%
\pgfcalendarjulianyeartoweek{\pgfcalendarcurrentjulian}{\pgfcalendarcurrentyear}{\pgfutil@tempcntb}%
\edef\pgfcalendarcurrentweek{\ifnum\pgfutil@tempcntb<10 0\fi\the\pgfutil@tempcntb}%
% Render:
#4%
% Advance day:
\advance\pgfcalendarcurrentjulian by1\relax%
\repeat%
\endgroup%
}
%
% Overwriting original \pgfcalendar@local@ifdate
%
\def\pgfcalendar@local@ifdate{%
\let\pgfcalendarifdatejulian=\pgfcalendarcurrentjulian
\let\pgfcalendarifdateyear=\pgfcalendarcurrentyear
\let\pgfcalendarifdatemonth=\pgfcalendarcurrentmonth
\let\pgfcalendarifdateday=\pgfcalendarcurrentday
\let\pgfcalendarifdateweekday=\pgfcalendarcurrentweekday
\let\pgfcalendarifdateweek=\pgfcalendarcurrentweek
\pgfcalendar@launch@ifdate%
}
%
% Overwritigin original \pgfcalendarifdate
%
\def\pgfcalendarifdate#1#2#3#4{%
\pgfcalendardatetojulian{#1}{\pgfutil@tempcnta}%
\pgfcalendarjuliantodate{\pgfutil@tempcnta}
{\pgfcalendarifdateyear}{\pgfcalendarifdatemonth}{\pgfcalendarifdateday}%
\edef\pgfcalendarifdatejulian{\the\pgfutil@tempcnta}%
% Compute info about date
\pgfcalendarjuliantoweekday{\pgfutil@tempcnta}{\pgfutil@tempcntb}%
\edef\pgfcalendarifdateweekday{\the\pgfutil@tempcntb}%
\pgfcalendarjulianyeartoweek{\pgfcalendarifdatejulian}{\pgfcalendarifdateyear}{\pgfutil@tempcntb}%
\edef\pgfcalendarifdateweek{\ifnum\pgfutil@tempcntb<10 0\fi\the\pgfutil@tempcntb}%
%
\pgfcalendar@launch@ifdate{#2}{#3}{#4}%
}
\pgfqkeys{/pgf/calendar/week}{.value required,.code={\ifnum#1=\pgfcalendarifdateweek\relax\expandafter\pgfcalendarmatchestrue\fi}}
% Overwriting shorthands of pgfcalendar
\expandafter\def\csname pgfcalendar@shorthand@d-\endcsname{%
\if0\pgfcalendarcurrentday\else\pgfcalendarcurrentday\fi}
\expandafter\def\csname pgfcalendar@shorthand@m-\endcsname{%
\if0\pgfcalendarcurrentmonth\else\pgfcalendarcurrentmonth\fi}
\endinput
|
