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Diffstat (limited to 'ruby_1_8_5/sample/cal.rb')
-rw-r--r-- | ruby_1_8_5/sample/cal.rb | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/ruby_1_8_5/sample/cal.rb b/ruby_1_8_5/sample/cal.rb new file mode 100644 index 0000000000..fa20352f71 --- /dev/null +++ b/ruby_1_8_5/sample/cal.rb @@ -0,0 +1,154 @@ +#! /usr/bin/env ruby + +# cal.rb: Written by Tadayoshi Funaba 1998-2004 +# $Id: cal.rb,v 2.7 2004-01-10 23:52:51+09 tadf Exp $ + +require 'date' + +class Cal + + START = + { + 'cn' => true, # China + 'de' => 2342032, # Germany (protestant states) + 'dk' => 2342032, # Denmark + 'es' => 2299161, # Spain + 'fi' => 2361390, # Finland + 'fr' => 2299227, # France + 'gb' => 2361222, # United Kingdom + 'gr' => 2423868, # Greece + 'hu' => 2301004, # Hungary + 'it' => 2299161, # Italy + 'jp' => true, # Japan + 'no' => 2342032, # Norway + 'pl' => 2299161, # Poland + 'pt' => 2299161, # Portugal + 'ru' => 2421639, # Russia + 'se' => 2361390, # Sweden + 'us' => 2361222, # United States + 'os' => false, # (old style) + 'ns' => true # (new style) + } + + DEFAULT_START = 'gb' + + def initialize + opt_j; opt_m; opt_t; opt_y; opt_c + end + + def opt_j(flag=false) @opt_j = flag end + def opt_m(flag=false) @opt_m = flag end + def opt_t(flag=false) @opt_t = flag end + def opt_y(flag=false) @opt_y = flag end + + def opt_c(arg=DEFAULT_START) @start = START[arg] end + + def set_params + @dw = if @opt_j then 3 else 2 end + @mw = (@dw + 1) * 7 - 1 + @mn = if @opt_j then 2 else 3 end + @tw = (@mw + 2) * @mn - 2 + @k = if @opt_m then 1 else 0 end + @da = if @opt_j then :yday else :mday end + end + + def pict(y, m) + d = (1..31).detect{|d| Date.valid_date?(y, m, d, @start)} + fi = Date.new(y, m, d, @start) + fi -= (fi.jd - @k + 1) % 7 + + ve = (fi..fi + 6).collect{|cu| + %w(S M Tu W Th F S)[cu.wday] + } + ve += (fi..fi + 41).collect{|cu| + if cu.mon == m then cu.send(@da) end.to_s + } + + ve = ve.collect{|e| e.rjust(@dw)} + + gr = group(ve, 7) + gr = trans(gr) if @opt_t + ta = gr.collect{|xs| xs.join(' ')} + + ca = %w(January February March April May June July + August September October November December)[m - 1] + ca = ca + ' ' + y.to_s if not @opt_y + ca = ca.center(@mw) + + ta.unshift(ca) + end + + def group(xs, n) + (0..xs.size / n - 1).collect{|i| xs[i * n, n]} + end + + def trans(xs) + (0..xs[0].size - 1).collect{|i| xs.collect{|x| x[i]}} + end + + def stack(xs) + if xs.empty? then [] else xs[0] + stack(xs[1..-1]) end + end + + def block(xs, n) + stack(group(xs, n).collect{|ys| trans(ys).collect{|zs| zs.join(' ')}}) + end + + def unlines(xs) + xs.collect{|x| x + "\n"}.join + end + + def monthly(y, m) + unlines(pict(y, m)) + end + + def addmon(y, m, n) + y, m = (y * 12 + (m - 1) + n).divmod(12) + return y, m + 1 + end + + def yearly(y) + y.to_s.center(@tw) + "\n\n" + + unlines(block((0..11).collect{|n| pict(*addmon(y, 1, n))}, @mn)) + "\n" + end + + def print(y, m) + set_params + if @opt_y then yearly(y) else monthly(y, m) end + end + +end + +if __FILE__ == $0 + + require 'getopts' + + def usage + warn 'usage: cal [-c iso3166] [-jmty] [[month] year]' + exit 1 + end + + usage unless getopts('jmty', "c:#{Cal::DEFAULT_START}") + + y, m = ARGV.values_at(1, 0).compact.collect{|x| x.to_i} + $OPT_y ||= (y and not m) + + to = Date.today + y ||= to.year + m ||= to.mon + + usage unless m >= 1 and m <= 12 + usage unless y >= -4712 + usage if Cal::START[$OPT_c].nil? + + cal = Cal.new + + cal.opt_j($OPT_j) + cal.opt_m($OPT_m) + cal.opt_t($OPT_t) + cal.opt_y($OPT_y) + cal.opt_c($OPT_c) + + print cal.print(y, m) + +end |