From 55a363321384bb40bf3d73269227f8233508afe5 Mon Sep 17 00:00:00 2001 From: Karl Berry Date: Tue, 16 Feb 2010 00:37:42 +0000 Subject: separated ltxmisc package advdate (15feb10) git-svn-id: svn://tug.org/texlive/trunk@17048 c570f23f-e606-0410-a88d-b1316a301751 --- Master/texmf-dist/tex/latex/advdate/advdate.sty | 131 ++++++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 Master/texmf-dist/tex/latex/advdate/advdate.sty (limited to 'Master/texmf-dist/tex/latex/advdate') diff --git a/Master/texmf-dist/tex/latex/advdate/advdate.sty b/Master/texmf-dist/tex/latex/advdate/advdate.sty new file mode 100644 index 00000000000..e15add6d3d0 --- /dev/null +++ b/Master/texmf-dist/tex/latex/advdate/advdate.sty @@ -0,0 +1,131 @@ +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% Advance Date Package for LaTeX2e %% +%% (C) Z. Wagner -- Ice Bear Soft, 20 Oct 1996, %% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% This package contains macros which can add specified number of days %% +%% to the current date (as specified in \today) and print it. Some other %% +%% macros are also provided. It is intended for use e.g. in invoices %% +%% payable within 14 days from today etc. %% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% Macros with one default argument [in square brackets] %% +%% \AdvanceDate Default: [1] %% +%% Advances date the specified number of days and sets the result %% +%% to \today %% +%% \DayAfter Default: [1] %% +%% Advances date by call to \AdvanceDate, prints \today and restores %% +%% the oroginal value of \today %% +%% \SaveDate Default: [\s@v@dT@d@y] %% +%% Saves \today into the specified macro %% +%% \SetDate Default: [\s@v@dT@d@y] %% +%% Sets the date stored in \today. The argument must be in form: %% +%% [dd/mm/yyyy] and may be present in a macro because the argument %% +%% is always expanded before use. The value saved by \SaveDate can %% +%% be used here. %% +%% %% +%% Macros with one mandatory argument %% +%% \ThisDay sets \day %% +%% \ThisMonth sets \month %% +%% \ThisYear sets \year %% +%% \AdvMonth advances \month and fixes it %% +%% \AdvYear advances \year %% +%% %% +%% Macros without arguments %% +%% \FixMonth fixes \today so that 0 < \month < 13 %% +%% \FixDate fixes \today so that it is valid %% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\NeedsTeXFormat{LaTeX2e} +\ProvidesPackage{advdate}[1996/10/20 Advance Date Package] + +% KH code + +\newcount\r@k \newcount\un@r +\newcount\m@l \m@l31 +\newcount\m@s \m@s30 +\newcount\M@s + +\newcommand\is@LeapYear[1][\year]{\r@k#1\un@r\r@k + \divide\r@k4\multiply\r@k4\advance\r@k-\un@r + \ifnum\r@k=0% + \divide\un@r100\r@k\un@r\multiply\un@r100\advance\un@r-#1% + \ifnum\un@r=0% + \un@r\r@k \divide\un@r4\multiply\un@r4\advance\un@r-\r@k + \un@r\ifnum\un@r=0 29\else 28\fi + \else + \un@r 29% + \fi + \else + \un@r 28% + \fi + \r@k 337\advance\r@k\un@r} + +\newcommand\m@sic{\ifcase \month \or \m@l \or \un@r \or \m@l \or \m@s \or \m@l \or \m@s + \or \m@l \or \m@l \or \m@s \or \m@l \or \m@s \or \m@l \fi} + +\newcommand\FixMonth{% + \L@@p \ifnum\month<1 \advance\year\m@ne \advance\month12 \is@LeapYear \repeat + \L@@p \ifnum\month>12 \advance\year\@ne \advance\month-12 \is@LeapYear \repeat} + +\newcommand\FixDate{% + \FixMonth \is@LeapYear + \l@@p \ifnum\day<1 \Pr@vD@y \repeat + \l@@p \M@s\m@sic \ifnum\day>\M@s \N@xtD@y \repeat +} + +% We need a nested \loop and the user might call the macros from his/her \loop + +\def\L@@p#1\repeat{\def\It@r@te{#1\relax \expandafter\It@r@te\fi}\It@r@te + \let\It@r@te\relax} + +\def\l@@p#1\repeat{\def\it@r@te{#1\relax \expandafter\it@r@te\fi}\it@r@te + \let\it@r@te\relax} + +\def\Pr@vD@y{% + \ifnum\day<-366 + \ifnum\month>2 + \advance\day\r@k \advance\year\m@ne \is@LeapYear + \else + \advance\year\m@ne \is@LeapYear \advance\day\r@k + \fi + \else + \advance\month\m@ne \FixMonth + \advance\day\m@sic + \fi} + +\def\N@xtD@y{% + \ifnum\day>366 + \ifnum\month>2 + \advance\year\@ne \is@LeapYear \advance\day-\r@k + \else + \advance\day-\r@k \advance\year\@ne \is@LeapYear + \fi + \else + \advance\day-\M@s \advance\month\@ne \FixMonth + \fi} + +\newcommand\AdvanceDate[1][\@ne]{\advance\day#1 \FixDate} + +\newcommand\DayAfter[1][\@ne]{{\AdvanceDate[#1]\today}} + +\newcommand\SaveDate[1][\s@v@dT@d@y]{% + \expandafter \expandafter \expandafter \expandafter + \expandafter \expandafter \expandafter \edef + \expandafter \expandafter \expandafter \expandafter + \expandafter \expandafter \expandafter #1\expandafter + \expandafter \expandafter \expandafter + \expandafter \expandafter \expandafter + {\expandafter \expandafter \expandafter \number + \expandafter \expandafter \expandafter \day + \expandafter \expandafter \expandafter /\expandafter \number + \expandafter \month \expandafter /\number \year}} + +\newcommand\SetDate[1][\s@v@dT@d@y]{\edef\d@t@{#1}% + \expandafter\t@d@y\d@t@\t@d@y\FixDate} + +\def\t@d@y#1/#2/#3\t@d@y{\day#1 \month#2 \year#3 \relax} + +\newcommand\ThisDay[1]{\day#1 \relax} +\newcommand\ThisMonth[1]{\month#1 \relax} +\newcommand\ThisYear[1]{\year#1 \relax} +\newcommand\AdvMonth[1]{\advance\month#1 \FixMonth} +\newcommand\AdvYear[1]{\advance\year#1 \relax} -- cgit v1.2.3