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scripts/time/calendar.m

changeset 10289: 4b124317dc38
parent:93c65f2a5668
author: John W. Eaton <jwe@octave.org>
date: Tue Feb 09 20:58:55 2010 -0500 (71 minutes ago)
permissions: -rw-r--r--
description: base_properties::set_children: account for hidden children 
     1## Copyright (C) 2004, 2006, 2007 Paul Kienzle

     2##

     3## This file is part of Octave.

     4##

     5## Octave is free software; you can redistribute it and/or modify it

     6## under the terms of the GNU General Public License as published by

     7## the Free Software Foundation; either version 3 of the License, or (at

     8## your option) any later version.

     9##

    10## Octave is distributed in the hope that it will be useful, but

    11## WITHOUT ANY WARRANTY; without even the implied warranty of

    12## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    13## General Public License for more details.

    14##

    15## You should have received a copy of the GNU General Public License

    16## along with Octave; see the file COPYING.  If not, see

    17## <http://www.gnu.org/licenses/>.

    18

    19## -*- texinfo -*-

    20## @deftypefn {Function File} {} calendar (@dots{})

    21## @deftypefnx {Function File} {@var{c} =} calendar ()

    22## @deftypefnx {Function File} {@var{c} =} calendar (@var{d})

    23## @deftypefnx {Function File} {@var{c} =} calendar (@var{y}, @var{m})

    24## If called with no arguments, return the current monthly calendar in

    25## a 6x7 matrix.

    26##

    27## If @var{d} is specified, return the calendar for the month containing

    28## the day @var{d}, which must be a serial date number or a date string.

    29##

    30## If @var{y} and @var{m} are specified, return the calendar for year @var{y}

    31## and month @var{m}.

    32##

    33## If no output arguments are specified, print the calendar on the screen

    34## instead of returning a matrix.

    35## @seealso{datenum}

    36## @end deftypefn

    37

    38## Author: pkienzle <pkienzle@users.sf.net>

    39## Created: 25 July 2004

    40## Adapted-By: William Poetra Yoga Hadisoeseno <williampoetra@gmail.com>

    41

    42function varargout = calendar (varargin)

    43

    44  switch (nargin)

    45    case 0

    46      v = clock ();

    47      y = v(1);

    48      m = v(2);

    49      d = v(3);

    50    case 1

    51      v = datevec (varargin{1});

    52      y = v(1);

    53      m = v(2);

    54      d = v(3);

    55    case 2

    56      y = varargin{1};

    57      m = varargin{2};

    58      d = [];

    59    otherwise

    60      print_usage ();

    61  endswitch

    62

    63  c = zeros (7, 6);

    64  dayone = datenum (y, m, 1);

    65  ndays = eomday (y, m);

    66  c(weekday (dayone) - 1 + [1:ndays]) = 1:ndays;

    67

    68  if (nargout > 0)

    69    varargout{1} = c';

    70  else

    71    ## Layout the calendar days, 6 columns per day, 7 days per row.

    72    str = sprintf ("    %2d    %2d    %2d    %2d    %2d    %2d    %2d\n", c);

    73

    74    ## Print an asterisk before the specified date

    75    if (! isempty (d) && d >= 1 && d <= ndays)

    76      pos = weekday (dayone) + d - 1;

    77      idx = 6 * (pos - 1) + floor (pos / 7) + 1;

    78      while (str(idx) == " ")

    79        ++idx;

    80      endwhile

    81      str(--idx) = "*";

    82    endif

    83

    84    ## Display the calendar.

    85    s.year = y - 1900;

    86    s.mon = m - 1;

    87    puts (strftime ("                    %b %Y\n", s));

    88    puts ("     S     M    Tu     W    Th     F     S\n");

    89    puts (str);

    90  endif

    91

    92endfunction

    93

    94# tests

    95%!assert((calendar(2000,2))'(2:31),[0:29]);

    96%!assert((calendar(1957,10))'(2:33),[0:31]);

    97# demos

    98%!demo

    99%! calendar ()

   100%!demo

   101%! calendar (1957, 10)