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bxjaholiday.sty
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%%
%% This is file 'bxjaholiday.sty'.
%%
%% Copyright 2018-2021 Takuto ASAKURA (wtsnjp)
%% GitHub: https://github.com/wtsnjp
%% Twitter: @wtsnjp
%%
%% This package is distributed under the MIT License.
%%
% Note: This file is encoded entirely in us-ascii.
% -------------------------------------------------- declarations
\RequirePackage{expl3}
\ProvidesExplPackage {bxjaholiday} {2021-09-28} {1.1.1}
{Support for Japanese holidays}
% -------------------------------------------------- utilities
% LaTeX2e stuff
%% \__bxjh_only_preamble:N \CS
\cs_new_eq:Nc \__bxjh_only_preamble:N { @onlypreamble }
% short hands
%% \__bxjh_int_compare_and:nn(TF) { <integer relation1> } { <integer relation2> }
%% ( { <true code> } ) ( { <false code> } )
\prg_new_conditional:Npnn \__bxjh_int_compare_and:nn #1#2 { T, TF }
{
\bool_lazy_and:nnTF
{ \int_compare_p:n { #1 } }
{ \int_compare_p:n { #2 } }
{ \prg_return_true: } { \prg_return_false: }
}
%% \__bxjh_date_compare(_p):nn(TF)
%% { <year1> } { <month1> } { <day1> } <rel> { <year2> } { <month2> } { <day2> }
%% ( { <true code> } ) ( { <false code> } )
\prg_new_conditional:Npnn \__bxjh_date_compare:nnnNnnn #1#2#3#4#5#6#7 { p, T, TF }
{
\int_compare:nNnTF
{ ( #1 ) * 10000 + ( #2 ) * 100 + ( #3 ) }
#4 % relation
{ ( #5 ) * 10000 + ( #6 ) * 100 + ( #7 ) }
{ \prg_return_true: } { \prg_return_false: }
}
% -------------------------------------------------- messages
\msg_new:nnn { bxjaholiday } { unknown-engine }
{
Unknown~TeX~engine; \\
loading~bxjaholiday~will~abort!
}
% -------------------------------------------------- constants
\int_const:Nn \c_bxjh_monday_int { 0 }
\int_const:Nn \c_bxjh_tuesday_int { 1 }
\int_const:Nn \c_bxjh_wednesday_int { 2 }
\int_const:Nn \c_bxjh_thursday_int { 3 }
\int_const:Nn \c_bxjh_friday_int { 4 }
\int_const:Nn \c_bxjh_saturday_int { 5 }
\int_const:Nn \c_bxjh_sunday_int { 6 }
% -------------------------------------------------- Japanese string maker
%% \__bxjh_next:n { <char> }
\cs_new:Npn \__bxjh_next:n #1 {}
%% \__bxjh_add_jchar:Nnnn <tl-var> { <hex-dump-of-utf8-bytes> }
%% { <hex-dump-of-unicode-point> } { <hex-dump-of-JIS-bytes> }
\__bxjh_only_preamble:N \__bxjh_add_jchar:Nnnn
\__bxjh_only_preamble:N \__bxjh_add_jchar_dec:nnn
\__bxjh_only_preamble:N \__bxjh_add_jchar_dec_helper:n
\cs_new:Npn \__bxjh_add_jchar:Nnnn #1#2#3#4
{
\group_begin:
\cs_set:Npn \__bxjh_next:n ##1
{
\tl_gset:Nx #1 { \exp_not:o { #1 } ##1 }
}
\__bxjh_add_jchar_dec:nnn { #2 } { #3 } { #4 }
\group_end:
}
% engine-dependent parts
\str_case_e:nnF { \c_sys_engine_str }
{
{ pdftex }
{
\cs_new:Npn \__bxjh_add_jchar_dec:nnn #1#2#3
{
\__bxjh_add_jchar_dec_helper:n { #1 }
}
\cs_new:Npn \__bxjh_add_jchar_dec_helper:n #1
{
% #1 should have three tl items
\tl_map_inline:nn { #1 }
{
\tl_set_rescan:Nnx \l_tmpa_tl
{ \char_set_catcode_active:n { "##1 } }
{ \char_generate:nn { "##1 } { 12 } }
\__bxjh_next:n { \exp_not:o { \l_tmpa_tl } }
}
}
}
{ ptex }
{
\cs_new:Npn \__bxjh_add_jchar_dec:nnn #1#2#3
{
\tex_kansujichar:D \c_one_int = \tex_jis:D "#3 \scan_stop:
\__bxjh_next:n { \tex_kansuji:D \c_one_int }
}
}
{ uptex }
{
\cs_new:Npn \__bxjh_add_jchar_dec:nnn #1#2#3
{
\tex_kansujichar:D \c_one_int = \tex_jis:D "#3 \scan_stop:
\__bxjh_next:n { \tex_kansuji:D \c_one_int }
}
}
{ xetex }
{
\cs_new:Npn \__bxjh_add_jchar_dec:nnn #1#2#3
{
\__bxjh_next:n { \char_generate:nn { "#2 } { 11 } }
}
}
{ luatex }
{
\cs_new:Npn \__bxjh_add_jchar_dec:nnn #1#2#3
{
\__bxjh_next:n { \char_generate:nn { "#2 } { 11 } }
}
}
}
{
% engines which expl3 does not support
\msg_warning:nn { bxjaholiday } { unknown-engine }
\file_input_stop:
}
% -------------------------------------------------- Japanese words
% youbi
\tl_new:N \g_bxjh_getsu_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_getsu_tl { {E6}{9C}{88} } { 6708 } { 376E }
\tl_new:N \g_bxjh_ka_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_ka_tl { {E7}{81}{AB} } { 706B } { 3250 }
\tl_new:N \g_bxjh_sui_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_sui_tl { {E6}{B0}{B4} } { 6C34 } { 3F65 }
\tl_new:N \g_bxjh_moku_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_moku_tl { {E6}{9C}{A8} } { 6728 } { 4C5A }
\tl_new:N \g_bxjh_kin_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_kin_tl { {E9}{87}{91} } { 91D1 } { 3662 }
\tl_new:N \g_bxjh_do_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_do_tl { {E5}{9C}{9F} } { 571F } { 455A }
\tl_new:N \g_bxjh_nichi_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_nichi_tl { {E6}{97}{A5} } { 65E5 } { 467C }
% common holidays
\tl_new:N \g_bxjh_ganjitsu_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_ganjitsu_tl { {E5}{85}{83} } { 5143 } { 3835 }
\__bxjh_add_jchar:Nnnn \g_bxjh_ganjitsu_tl { {E6}{97}{A5} } { 65E5 } { 467C }
\tl_new:N \g_bxjh_seijin_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_seijin_tl { {E6}{88}{90} } { 6210 } { 402E }
\__bxjh_add_jchar:Nnnn \g_bxjh_seijin_tl { {E4}{BA}{BA} } { 4EBA } { 3F4D }
\__bxjh_add_jchar:Nnnn \g_bxjh_seijin_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_seijin_tl { {E6}{97}{A5} } { 65E5 } { 467C }
\tl_new:N \g_bxjh_kenkoku_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_kenkoku_tl { {E5}{BB}{BA} } { 5EFA } { 377A }
\__bxjh_add_jchar:Nnnn \g_bxjh_kenkoku_tl { {E5}{9B}{BD} } { 56FD } { 3971 }
\__bxjh_add_jchar:Nnnn \g_bxjh_kenkoku_tl { {E8}{A8}{98} } { 8A18 } { 352D }
\__bxjh_add_jchar:Nnnn \g_bxjh_kenkoku_tl { {E5}{BF}{B5} } { 5FF5 } { 4730 }
\__bxjh_add_jchar:Nnnn \g_bxjh_kenkoku_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_kenkoku_tl { {E6}{97}{A5} } { 65E5 } { 467C }
\tl_new:N \g_bxjh_tennou_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_tennou_tl { {E5}{A4}{A9} } { 5929 } { 4537 }
\__bxjh_add_jchar:Nnnn \g_bxjh_tennou_tl { {E7}{9A}{87} } { 7687 } { 3944 }
\__bxjh_add_jchar:Nnnn \g_bxjh_tennou_tl { {E8}{AA}{95} } { 8A95 } { 4342 }
\__bxjh_add_jchar:Nnnn \g_bxjh_tennou_tl { {E7}{94}{9F} } { 751F } { 4038 }
\__bxjh_add_jchar:Nnnn \g_bxjh_tennou_tl { {E6}{97}{A5} } { 65E5 } { 467C }
\tl_new:N \g_bxjh_shunbun_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_shunbun_tl { {E6}{98}{A5} } { 6625 } { 3D55 }
\__bxjh_add_jchar:Nnnn \g_bxjh_shunbun_tl { {E5}{88}{86} } { 5206 } { 4A2C }
\__bxjh_add_jchar:Nnnn \g_bxjh_shunbun_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_shunbun_tl { {E6}{97}{A5} } { 65E5 } { 467C }
\tl_new:N \g_bxjh_showa_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_showa_tl { {E6}{98}{AD} } { 662D } { 3E3C }
\__bxjh_add_jchar:Nnnn \g_bxjh_showa_tl { {E5}{92}{8C} } { 548C } { 4F42 }
\__bxjh_add_jchar:Nnnn \g_bxjh_showa_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_showa_tl { {E6}{97}{A5} } { 65E5 } { 467C }
\tl_new:N \g_bxjh_midori_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_midori_tl { {E3}{81}{BF} } { 307F } { 245F }
\__bxjh_add_jchar:Nnnn \g_bxjh_midori_tl { {E3}{81}{A9} } { 3069 } { 2449 }
\__bxjh_add_jchar:Nnnn \g_bxjh_midori_tl { {E3}{82}{8A} } { 308A } { 246A }
\__bxjh_add_jchar:Nnnn \g_bxjh_midori_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_midori_tl { {E6}{97}{A5} } { 65E5 } { 467C }
\tl_new:N \g_bxjh_kenpou_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_kenpou_tl { {E6}{86}{B2} } { 61B2 } { 377B }
\__bxjh_add_jchar:Nnnn \g_bxjh_kenpou_tl { {E6}{B3}{95} } { 6CD5 } { 4B21 }
\__bxjh_add_jchar:Nnnn \g_bxjh_kenpou_tl { {E8}{A8}{98} } { 8A18 } { 352D }
\__bxjh_add_jchar:Nnnn \g_bxjh_kenpou_tl { {E5}{BF}{B5} } { 5FF5 } { 4730 }
\__bxjh_add_jchar:Nnnn \g_bxjh_kenpou_tl { {E6}{97}{A5} } { 65E5 } { 467C }
\tl_new:N \g_bxjh_kokumin_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_kokumin_tl { {E5}{9B}{BD} } { 56FD } { 3971 }
\__bxjh_add_jchar:Nnnn \g_bxjh_kokumin_tl { {E6}{B0}{91} } { 6C11 } { 4C31 }
\__bxjh_add_jchar:Nnnn \g_bxjh_kokumin_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_kokumin_tl { {E4}{BC}{91} } { 4F11 } { 3559 }
\__bxjh_add_jchar:Nnnn \g_bxjh_kokumin_tl { {E6}{97}{A5} } { 65E5 } { 467C }
\tl_new:N \g_bxjh_kodomo_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_kodomo_tl { {E3}{81}{93} } { 3053 } { 2433 }
\__bxjh_add_jchar:Nnnn \g_bxjh_kodomo_tl { {E3}{81}{A9} } { 3069 } { 2449 }
\__bxjh_add_jchar:Nnnn \g_bxjh_kodomo_tl { {E3}{82}{82} } { 3082 } { 2462 }
\__bxjh_add_jchar:Nnnn \g_bxjh_kodomo_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_kodomo_tl { {E6}{97}{A5} } { 65E5 } { 467C }
\tl_new:N \g_bxjh_furikae_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_furikae_tl { {E6}{8C}{AF} } { 632F } { 3F36 }
\__bxjh_add_jchar:Nnnn \g_bxjh_furikae_tl { {E6}{9B}{BF} } { 66FF } { 4258 }
\__bxjh_add_jchar:Nnnn \g_bxjh_furikae_tl { {E4}{BC}{91} } { 4F11 } { 3559 }
\__bxjh_add_jchar:Nnnn \g_bxjh_furikae_tl { {E6}{97}{A5} } { 65E5 } { 467C }
\tl_new:N \g_bxjh_umi_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_umi_tl { {E6}{B5}{B7} } { 6D77 } { 3324 }
\__bxjh_add_jchar:Nnnn \g_bxjh_umi_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_umi_tl { {E6}{97}{A5} } { 65E5 } { 467C }
\tl_new:N \g_bxjh_yama_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_yama_tl { {E5}{B1}{B1} } { 5C71 } { 3B33 }
\__bxjh_add_jchar:Nnnn \g_bxjh_yama_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_yama_tl { {E6}{97}{A5} } { 65E5 } { 467C }
\tl_new:N \g_bxjh_shubun_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_shubun_tl { {E7}{A7}{8B} } { 79CB } { 3D29 }
\__bxjh_add_jchar:Nnnn \g_bxjh_shubun_tl { {E5}{88}{86} } { 5206 } { 4A2C }
\__bxjh_add_jchar:Nnnn \g_bxjh_shubun_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_shubun_tl { {E6}{97}{A5} } { 65E5 } { 467C }
\tl_new:N \g_bxjh_keirou_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_keirou_tl { {E6}{95}{AC} } { 656C } { 3749 }
\__bxjh_add_jchar:Nnnn \g_bxjh_keirou_tl { {E8}{80}{81} } { 8001 } { 4F37 }
\__bxjh_add_jchar:Nnnn \g_bxjh_keirou_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_keirou_tl { {E6}{97}{A5} } { 65E5 } { 467C }
\tl_new:N \g_bxjh_sports_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_sports_tl { {E3}{82}{B9} } { 30B9 } { 2539 }
\__bxjh_add_jchar:Nnnn \g_bxjh_sports_tl { {E3}{83}{9D} } { 30DD } { 255D }
\__bxjh_add_jchar:Nnnn \g_bxjh_sports_tl { {E3}{83}{BC} } { 30FC } { 213C }
\__bxjh_add_jchar:Nnnn \g_bxjh_sports_tl { {E3}{83}{84} } { 30C4 } { 2544 }
\__bxjh_add_jchar:Nnnn \g_bxjh_sports_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_sports_tl { {E6}{97}{A5} } { 65E5 } { 467C }
\tl_new:N \g_bxjh_taiiku_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_taiiku_tl { {E4}{BD}{93} } { 4F53 } { 424E }
\__bxjh_add_jchar:Nnnn \g_bxjh_taiiku_tl { {E8}{82}{B2} } { 80B2 } { 3069 }
\__bxjh_add_jchar:Nnnn \g_bxjh_taiiku_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_taiiku_tl { {E6}{97}{A5} } { 65E5 } { 467C }
\tl_new:N \g_bxjh_bunka_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_bunka_tl { {E6}{96}{87} } { 6587 } { 4A38 }
\__bxjh_add_jchar:Nnnn \g_bxjh_bunka_tl { {E5}{8C}{96} } { 5316 } { 323D }
\__bxjh_add_jchar:Nnnn \g_bxjh_bunka_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_bunka_tl { {E6}{97}{A5} } { 65E5 } { 467C }
\tl_new:N \g_bxjh_kinrou_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_kinrou_tl { {E5}{8B}{A4} } { 52E4 } { 3650 }
\__bxjh_add_jchar:Nnnn \g_bxjh_kinrou_tl { {E5}{8A}{B4} } { 52B4 } { 4F2B }
\__bxjh_add_jchar:Nnnn \g_bxjh_kinrou_tl { {E6}{84}{9F} } { 611F } { 3436 }
\__bxjh_add_jchar:Nnnn \g_bxjh_kinrou_tl { {E8}{AC}{9D} } { 8B1D } { 3C55 }
\__bxjh_add_jchar:Nnnn \g_bxjh_kinrou_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_kinrou_tl { {E6}{97}{A5} } { 65E5 } { 467C }
% special holidays (mainly Emperor related)
\tl_new:N \g_bxjh_showa_taisou_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_showa_taisou_tl { {E6}{98}{AD} } { 662D } { 3E3C }
\__bxjh_add_jchar:Nnnn \g_bxjh_showa_taisou_tl { {E5}{92}{8C} } { 548C } { 4F42 }
\__bxjh_add_jchar:Nnnn \g_bxjh_showa_taisou_tl { {E5}{A4}{A9} } { 5929 } { 4537 }
\__bxjh_add_jchar:Nnnn \g_bxjh_showa_taisou_tl { {E7}{9A}{87} } { 7687 } { 3944 }
\__bxjh_add_jchar:Nnnn \g_bxjh_showa_taisou_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_showa_taisou_tl { {E5}{A4}{A7} } { 5927 } { 4267 }
\__bxjh_add_jchar:Nnnn \g_bxjh_showa_taisou_tl { {E5}{96}{AA} } { 55AA } { 4153 }
\__bxjh_add_jchar:Nnnn \g_bxjh_showa_taisou_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_showa_taisou_tl { {E7}{A4}{BC} } { 793C } { 4E69 }
\tl_new:N \g_bxjh_akihito_kekkon_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_akihito_kekkon_tl { {E7}{9A}{87} } { 7687 } { 3944 }
\__bxjh_add_jchar:Nnnn \g_bxjh_akihito_kekkon_tl { {E5}{A4}{AA} } { 592A } { 4240 }
\__bxjh_add_jchar:Nnnn \g_bxjh_akihito_kekkon_tl { {E5}{AD}{90} } { 5B50 } { 3B52 }
\__bxjh_add_jchar:Nnnn \g_bxjh_akihito_kekkon_tl { {E6}{98}{8E} } { 660E } { 4C40 }
\__bxjh_add_jchar:Nnnn \g_bxjh_akihito_kekkon_tl { {E4}{BB}{81} } { 4EC1 } { 3F4E }
\__bxjh_add_jchar:Nnnn \g_bxjh_akihito_kekkon_tl { {E8}{A6}{AA} } { 89AA } { 3F46 }
\__bxjh_add_jchar:Nnnn \g_bxjh_akihito_kekkon_tl { {E7}{8E}{8B} } { 738B } { 3226 }
\__bxjh_add_jchar:Nnnn \g_bxjh_akihito_kekkon_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_akihito_kekkon_tl { {E7}{B5}{90} } { 7D50 } { 376B }
\__bxjh_add_jchar:Nnnn \g_bxjh_akihito_kekkon_tl { {E5}{A9}{9A} } { 5A5A } { 3A27 }
\__bxjh_add_jchar:Nnnn \g_bxjh_akihito_kekkon_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_akihito_kekkon_tl { {E5}{84}{80} } { 5100 } { 3537 }
\tl_new:N \g_bxjh_naruhito_kekkon_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_naruhito_kekkon_tl { {E7}{9A}{87} } { 7687 } { 3944 }
\__bxjh_add_jchar:Nnnn \g_bxjh_naruhito_kekkon_tl { {E5}{A4}{AA} } { 592A } { 4240 }
\__bxjh_add_jchar:Nnnn \g_bxjh_naruhito_kekkon_tl { {E5}{AD}{90} } { 5B50 } { 3B52 }
\__bxjh_add_jchar:Nnnn \g_bxjh_naruhito_kekkon_tl { {E5}{BE}{B3} } { 5FB3 } { 4641 }
\__bxjh_add_jchar:Nnnn \g_bxjh_naruhito_kekkon_tl { {E4}{BB}{81} } { 4EC1 } { 3F4E }
\__bxjh_add_jchar:Nnnn \g_bxjh_naruhito_kekkon_tl { {E8}{A6}{AA} } { 89AA } { 3F46 }
\__bxjh_add_jchar:Nnnn \g_bxjh_naruhito_kekkon_tl { {E7}{8E}{8B} } { 738B } { 3226 }
\__bxjh_add_jchar:Nnnn \g_bxjh_naruhito_kekkon_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_naruhito_kekkon_tl { {E7}{B5}{90} } { 7D50 } { 376B }
\__bxjh_add_jchar:Nnnn \g_bxjh_naruhito_kekkon_tl { {E5}{A9}{9A} } { 5A5A } { 3A27 }
\__bxjh_add_jchar:Nnnn \g_bxjh_naruhito_kekkon_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_naruhito_kekkon_tl { {E5}{84}{80} } { 5100 } { 3537 }
\tl_new:N \g_bxjh_sokuirei_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_sokuirei_tl { {E5}{8D}{B3} } { 5373 } { 4228 }
\__bxjh_add_jchar:Nnnn \g_bxjh_sokuirei_tl { {E4}{BD}{8D} } { 4F4D } { 304C }
\__bxjh_add_jchar:Nnnn \g_bxjh_sokuirei_tl { {E7}{A4}{BC} } { 793C } { 4E69 }
\__bxjh_add_jchar:Nnnn \g_bxjh_sokuirei_tl { {E6}{AD}{A3} } { 6B63 } { 4035 }
\__bxjh_add_jchar:Nnnn \g_bxjh_sokuirei_tl { {E6}{AE}{BF} } { 6BBF } { 4542 }
\__bxjh_add_jchar:Nnnn \g_bxjh_sokuirei_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_sokuirei_tl { {E5}{84}{80} } { 5100 } { 3537 }
\tl_new:N \g_bxjh_sokui_tl
\__bxjh_add_jchar:Nnnn \g_bxjh_sokui_tl { {E5}{8D}{B3} } { 5373 } { 4228 }
\__bxjh_add_jchar:Nnnn \g_bxjh_sokui_tl { {E4}{BD}{8D} } { 4F4D } { 304C }
\__bxjh_add_jchar:Nnnn \g_bxjh_sokui_tl { {E3}{81}{AE} } { 306E } { 244E }
\__bxjh_add_jchar:Nnnn \g_bxjh_sokui_tl { {E6}{97}{A5} } { 65E5 } { 467C }
% -------------------------------------------------- day of week
%% \bxjh_day_of_week_name:nnn { <year> } { <month> } { <day> }
%% \bxjh_day_of_week:nnn { <year> } { <month> } { <day> }
% The calculation is based on Zeller's congruence:
%
% W = y + floor ( y / 4 ) + floor ( h / 4 ) + ( 5 * h )
% + floor ( ( 13 * ( m + 1 ) ) / 5 ) + d
%
% where
%
% h = \int_div_truncate:nn { #1 } { 100 } ,
% y = \int_mod:nn { #1 } { 100 } ,
% m = #2 ,
% d = #3 .
%
% Note that January and February needs to be treated as 13th and 14th
% month of the former year respectively.
\cs_new:Npn \bxjh_day_of_week_name:nnn #1#2#3
{
\int_case:nn { \bxjh_day_of_week:nnn { #1 } { #2 } { #3 } }
{
{ \c_bxjh_monday_int } { \g_bxjh_getsu_tl }
{ \c_bxjh_tuesday_int } { \g_bxjh_ka_tl }
{ \c_bxjh_wednesday_int } { \g_bxjh_sui_tl }
{ \c_bxjh_thursday_int } { \g_bxjh_moku_tl }
{ \c_bxjh_friday_int } { \g_bxjh_kin_tl }
{ \c_bxjh_saturday_int } { \g_bxjh_do_tl }
{ \c_bxjh_sunday_int } { \g_bxjh_nichi_tl }
}
}
\cs_new:Npn \bxjh_day_of_week:nnn #1#2#3
{
\int_compare:nNnTF { #2 } < { 3 }
{
\__bxjh_zeller:nnn { #1 - 1 } { #2 + 12 } { #3 }
}
{
\__bxjh_zeller:nnn { #1 } { #2 } { #3 }
}
}
\cs_new:Npn \__bxjh_zeller:nnn #1#2#3
{
\int_mod:nn
{
\int_mod:nn { #1 } { 100 }
+ \int_div_truncate:nn { \int_mod:nn { #1 } { 100 } } { 4 }
+ \int_div_truncate:nn { \int_div_truncate:nn { #1 } { 100 } } { 4 }
+ ( 5 * \int_div_truncate:nn { #1 } { 100 } )
+ \int_div_truncate:nn { ( 13 * ( #2 + 1 ) ) } { 5 }
+ #3 + 5
}
{ 7 }
}
% -------------------------------------------------- next/prev day
%% \__bxjh_number_of_days_in_month:nn { <year> } { <month> }
\cs_new:Npn \__bxjh_number_of_days_in_month:nn #1#2
{
\int_case:nn { #2 }
{
{ 1 } { 31 } % January
{ 2 } % February
{
\int_compare:nNnTF { \int_mod:nn { #1 } { 4 } } = { 0 }
{
\__bxjh_int_compare_and:nnTF
{ \int_mod:nn { #1 } { 100 } = 0 }
{ \int_mod:nn { #1 } { 400 } > 0 }
{ 28 }
{ 29 } % leap year
}
{ 28 }
}
{ 3 } { 31 } % March
{ 4 } { 30 } % April
{ 5 } { 31 } % May
{ 6 } { 30 } % June
{ 7 } { 31 } % July
{ 8 } { 31 } % August
{ 9 } { 30 } % September
{ 10 } { 31 } % October
{ 11 } { 30 } % November
{ 12 } { 31 } % December
}
}
%% \__bxjh_apply_after_int_eval:Nnnn \CS { <intexpr1> } { <intexpr2> } { <intexpr3> }
% this is for calculation efficiency
\cs_new:Npn \__bxjh_apply_after_int_eval:Nnnn #1#2#3#4
{
\exp_args:Nfff #1
{ \int_eval:n { #2 } } { \int_eval:n { #3 } } { \int_eval:n { #4 } }
}
% get \exp_args:Nfff
\exp_args_generate:n { fff }
%% \bxjh_apply_next_day:Nnnn \CS { <year> } { <month> } { <day> }
\cs_new:Npn \bxjh_apply_next_day:Nnnn #1#2#3#4
{
\int_compare:nNnTF
{ #4 } < { \__bxjh_number_of_days_in_month:nn { #2 } { #3 } }
{
% just next day in the month
\__bxjh_apply_after_int_eval:Nnnn #1 { #2 } { #3 } { #4 + 1 }
}
{
\int_compare:nNnTF { #3 } < { 12 }
{
% the first day of next month
\__bxjh_apply_after_int_eval:Nnnn #1 { #2 } { #3 + 1 } { 1 }
}
{
% the first day of next year
\__bxjh_apply_after_int_eval:Nnnn #1 { #2 + 1 } { 1 } { 1 }
}
}
}
%% \bxjh_apply_prev_day:Nnnn \CS { <year> } { <month> } { <day> }
\cs_new:Npn \bxjh_apply_prev_day:Nnnn #1#2#3#4
{
\int_compare:nNnTF { #4 } > { 1 }
{
% just prev day in the month
\__bxjh_apply_after_int_eval:Nnnn #1 { #2 } { #3 } { #4 - 1 }
}
{
\int_compare:nNnTF { #3 } > { 1 }
{
% the last day of prev month
\__bxjh_apply_after_int_eval:Nnnn #1 { #2 } { #3 - 1 }
{ \__bxjh_number_of_days_in_month:nn { #2 } { #3 - 1 } }
}
{
% the last day of prev year
\__bxjh_apply_after_int_eval:Nnnn #1 { #2 - 1 } { 12 } { 31 }
}
}
}
% -------------------------------------------------- holidays
%% \__bxjh_vernal_equinox:n { <year> }
\cs_new:Npn \__bxjh_vernal_equinox:n #1
{
\int_compare:nNnTF { #1 } < { 1948 }
{
99 % before the Act on National Holidays
}
{
\int_compare:nNnTF { #1 } < { 1980 }
{
\__bxjh_va_formula:nn { 20.8357 } { #1 }
}
{
\int_compare:nNnTF { #1 } < { 2100 }
{
\__bxjh_va_formula:nn { 20.8431 } { #1 }
}
{
\int_compare:nNnTF { #1 } < { 2151 }
{
\__bxjh_va_formula:nn { 20.8510 } { #1 }
}
{
99 % unknown because no calculation formula
}
}
}
}
}
%% \__bxjh_autumn_equinox:n { <year> }
\cs_new:Npn \__bxjh_autumn_equinox:n #1
{
\int_compare:nNnTF { #1 } < { 1948 }
{
99 % before the Act on National Holidays
}
{
\int_compare:nNnTF { #1 } < { 1980 }
{
\__bxjh_va_formula:nn { 23.2588 } { #1 }
}
{
\int_compare:nNnTF { #1 } < { 2100 }
{
\__bxjh_va_formula:nn { 23.2488 } { #1 }
}
{
\int_compare:nNnTF { #1 } < { 2151 }
{
\__bxjh_va_formula:nn { 24.2488 } { #1 }
}
{
99 % unknown because no calculation formula
}
}
}
}
}
%% \__bxjh_va_formula:nn { <magic> } { <year> }
\cs_new:Npn \__bxjh_va_formula:nn #1#2
{
\fp_eval:n {
floor (
#1 + 0.242194 * ( #2 - 1980 ) - \int_div_truncate:nn { #2 - 1980 } { 4 }
)
}
}
%% \bxjh_holiday_name:nnn { <year> } { <month> } { <day> }
\cs_new:Npn \bxjh_holiday_name:nnn #1#2#3
{
\exp_args:Nf \__bxjh_holiday_name_wrapper:nnnn
{ \__bxjh_holiday_name_naive:nnn { #1 } { #2 } { #3 } }
{ #1 } { #2 } { #3 }
}
%% \__bxjh_holiday_name_wrapper:nnnn { <naive holiday name> }
%% { <year> } { <month> } { <day> }
\cs_set:Npn \__bxjh_holiday_name_wrapper:nnnn #1#2#3#4
{
\tl_if_empty:nTF { #1 }
{
\bool_lazy_and:nnT
{
\__bxjh_date_compare_p:nnnNnnn
{ #2 } { #3 } { #4 } > { 1973 } { 4 } { 11 }
}
{
\int_compare_p:n
{
\bxjh_day_of_week:nnn { #2 } { #3 } { #4 } = \c_bxjh_monday_int
}
}
{
\bxjh_apply_prev_day:Nnnn \bxjh_if_holiday:nnnT
{ #2 } { #3 } { #4 } { \g_bxjh_furikae_tl }
}
}
{ #1 }
}
%% \__bxjh_holiday_name_naive:nnn { <year> } { <month> } { <day> }
\cs_new:Npn \__bxjh_holiday_name_naive:nnn #1#2#3
{
\__bxjh_date_compare:nnnNnnnTF { #1 } { #2 } { #3 } < { 1948 } { 7 } { 20 }
{
% empty because before the Act on National Holidays
}
{
\int_case:nn { #2 }
{
{ 1 } % January
{
\int_compare:nNnTF { #3 } = { 1 }
{ \g_bxjh_ganjitsu_tl }
{
\int_compare:nNnTF { #1 } > { 1999 }
{
\__bxjh_int_compare_and:nnT % second Monday
{ \int_div_truncate:nn { #3 - 1 } { 7 } = 1 }
{
\bxjh_day_of_week:nnn { #1 } { #2 } { #3 }
= \c_bxjh_monday_int
}
{ \g_bxjh_seijin_tl }
}
{
\int_compare:nNnT { #3 } = { 15 }
{ \g_bxjh_seijin_tl }
}
}
}
{ 2 } % February
{
\__bxjh_int_compare_and:nnTF { #3 = 11 } { #1 > 1966 }
{ \g_bxjh_kenkoku_tl }
{
\__bxjh_int_compare_and:nnTF { #3 = 23 } { #1 > 2019 }
{ \g_bxjh_tennou_tl } % the Reiwa period
{
\__bxjh_date_compare:nnnNnnnT
{ #1 } { #2 } { #3 } = { 1989 } { 2 } { 24 }
{ \g_bxjh_showa_taisou_tl }
}
}
}
{ 3 } % March
{
\int_compare:nNnT { #3 } = { \__bxjh_vernal_equinox:n { #1 } }
{ \g_bxjh_shunbun_tl }
}
{ 4 } % April
{
\int_compare:nNnTF { #3 } = { 29 }
{
\int_compare:nNnTF { #1 } > { 2006 }
{ \g_bxjh_showa_tl }
{
\int_compare:nNnTF { #1 } > { 1988 }
{ \g_bxjh_midori_tl }
{ \g_bxjh_tennou_tl } % the Showa period
}
}
{
\__bxjh_date_compare:nnnNnnnTF
{ #1 } { #2 } { #3 } = { 2019 } { 4 } { 30 }
{ \g_bxjh_kokumin_tl } % the abdication of the Heisei Emperor
{
\__bxjh_date_compare:nnnNnnnT
{ #1 } { #2 } { #3 } = { 1959 } { 4 } { 10 }
{ \g_bxjh_akihito_kekkon_tl }
}
}
}
{ 5 } % May
{
\int_compare:nNnTF { #3 } = { 3 }
{ \g_bxjh_kenpou_tl }
{
\int_compare:nNnTF { #3 } = { 4 }
{
\int_compare:nNnTF { #1 } > { 2006 }
{ \g_bxjh_midori_tl }
{
\int_compare:nNnT { #1 } > { 1985 }
{
\int_case:nnF % if later than Tuesday (Tue. - Sat.)
{ \bxjh_day_of_week:nnn { #1 } { #2 } { #3 } }
{
{ \c_bxjh_monday_int } {} % substitute for Constitution Day
{ \c_bxjh_sunday_int } {} % just a "normal" Sunday
}
{ \g_bxjh_kokumin_tl }
}
}
}
{
\int_compare:nNnTF { #3 } = { 5 }
{ \g_bxjh_kodomo_tl }
{
\int_compare:nNnTF { #3 } = { 6 }
{
\int_compare:nNnT { #1 } > { 2006 }
{
\int_case:nn
{ \bxjh_day_of_week:nnn { #1 } { #2 } { #3 } }
{
{ \c_bxjh_tuesday_int } { \g_bxjh_furikae_tl }
{ \c_bxjh_wednesday_int } { \g_bxjh_furikae_tl }
}
}
}
{
\__bxjh_date_compare:nnnNnnnTF
{ #1 } { #2 } { #3 } = { 2019 } { 5 } { 1 }
{ \g_bxjh_sokui_tl } % Naruhito
{
\__bxjh_date_compare:nnnNnnnT
{ #1 } { #2 } { #3 } = { 2019 } { 5 } { 2 }
{ \g_bxjh_kokumin_tl }
}
}
}
}
}
}
{ 6 } % June
{
\__bxjh_date_compare:nnnNnnnT { #1 } { #2 } { #3 } = { 1993 } { 6 } { 9 }
{ \g_bxjh_naruhito_kekkon_tl }
}
{ 7 } % July
{
\int_compare:nNnTF { #1 } > { 2021 }
{
\__bxjh_int_compare_and:nnT % third Monday
{ \int_div_truncate:nn { #3 - 1 } { 7 } = 2 }
{
\bxjh_day_of_week:nnn { #1 } { #2 } { #3 }
= \c_bxjh_monday_int
}
{ \g_bxjh_umi_tl }
}
{
\int_compare:nNnTF { #1 } = { 2020 }
{
% 2020 Tokyo Olympic year: special case
\int_compare:nNnTF { #3 } = { 23 }
{ \g_bxjh_umi_tl }
{
\int_compare:nNnT { #3 } = { 24 }
{ \g_bxjh_sports_tl }
}
}
{
\int_compare:nNnTF { #1 } = { 2021 }
{
% 2021 Tokyo Olympic year: special case
\int_compare:nNnTF { #3 } = { 22 }
{ \g_bxjh_umi_tl }
{
\int_compare:nNnT { #3 } = { 23 }
{ \g_bxjh_sports_tl }
}
}
{
\int_compare:nNnTF { #1 } > { 2002 }
{
\__bxjh_int_compare_and:nnT % third Monday
{ \int_div_truncate:nn { #3 - 1 } { 7 } = 2 }
{
\bxjh_day_of_week:nnn { #1 } { #2 } { #3 }
= \c_bxjh_monday_int
}
{ \g_bxjh_umi_tl }
}
{
\__bxjh_int_compare_and:nnT { #1 > 1995 } { #3 = 20 }
{ \g_bxjh_umi_tl }
}
}
}
}
}
{ 8 } % August
{
\int_compare:nNnTF { #1 } > { 2021 }
{
\int_compare:nNnT { #3 } = { 11 }
{ \g_bxjh_yama_tl }
}
{
\int_compare:nNnTF { #1 } = { 2020 }
{
% 2020 Tokyo Olympic year: special case
\int_compare:nNnT { #3 } = { 10 }
{ \g_bxjh_yama_tl }
}
{
\int_compare:nNnTF { #1 } = { 2021 }
{
% 2021 Tokyo Olympic year: special case
\int_compare:nNnT { #3 } = { 8 }
{ \g_bxjh_yama_tl }
}
{
\__bxjh_int_compare_and:nnT { #1 > 2015 } { #3 = 11 }
{ \g_bxjh_yama_tl }
}
}
}
}
{ 9 } % September
{
\int_compare:nNnTF { #3 } = { \__bxjh_autumn_equinox:n { #1 } }
{ \g_bxjh_shubun_tl }
{
\int_compare:nNnTF { #1 } > { 2002 }
{
\__bxjh_int_compare_and:nnTF % third Monday
{ \int_div_truncate:nn { #3 - 1 } { 7 } = 2 }
{
\bxjh_day_of_week:nnn { #1 } { #2 } { #3 }
= \c_bxjh_monday_int
}
{ \g_bxjh_keirou_tl }
{
\__bxjh_int_compare_and:nnT
{
\bxjh_day_of_week:nnn { #1 } { #2 } { #3 }
= \c_bxjh_tuesday_int
}
{ #3 = \__bxjh_autumn_equinox:n { #1 } - 1 }
{ \g_bxjh_kokumin_tl }
}
}
{
\__bxjh_int_compare_and:nnT { #1 > 1965 } { #3 = 15 }
{ \g_bxjh_keirou_tl }
}
}
}
{ 10 } % October
{
\int_compare:nNnTF { #1 } > { 2021 }
{
\__bxjh_int_compare_and:nnT % second Monday
{ \int_div_truncate:nn { #3 - 1 } { 7 } = 1 }
{
\bxjh_day_of_week:nnn { #1 } { #2 } { #3 }
= \c_bxjh_monday_int
}
{ \g_bxjh_sports_tl }
}
{
\bool_lazy_or:nnTF
{ \int_compare_p:n { #1 = 2020 } }
{ \int_compare_p:n { #1 = 2021 } }
{
% pass because of 2020 Tokyo Olympic
}
{
\int_compare:nNnTF { #1 } > { 1999 }
{
\__bxjh_int_compare_and:nnTF % second Monday
{ \int_div_truncate:nn { #3 - 1 } { 7 } = 1 }
{
\bxjh_day_of_week:nnn { #1 } { #2 } { #3 }
= \c_bxjh_monday_int
}
{ \g_bxjh_taiiku_tl }
{
\__bxjh_date_compare:nnnNnnnT
{ #1 } { #2 } { #3 } = { 2019 } { 10 } { 22 }
{ \g_bxjh_sokuirei_tl } % Naruhito
}
}
{
\__bxjh_int_compare_and:nnT
{ #1 > 1965 } { #3 = 10 }
{ \g_bxjh_taiiku_tl }
}
}
}
}
{ 11 } % November
{
\int_compare:nNnTF { #3 } = { 3 }
{ \g_bxjh_bunka_tl }
{
\int_compare:nNnTF { #3 } = { 23 }
{ \g_bxjh_kinrou_tl }
{
\__bxjh_date_compare:nnnNnnnT
{ #1 } { #2 } { #3 } = { 1990 } { 11 } { 12 }
{ \g_bxjh_sokuirei_tl }
}
}
}
{ 12 } % December
{
\int_compare:nNnT { #3 } = { 23 }
{
\__bxjh_int_compare_and:nnT
{ #1 > 1988 } { #1 < 2019 }
{ \g_bxjh_tennou_tl } % the Heisei period
}
}
}
}
}
%% \bxjh_if_holiday:nnn(TF) { <year> } { <month> } { <day> }
%% ( { <true code> } ) ( { <false code> } )
\prg_new_conditional:Npnn \bxjh_if_holiday:nnn #1#2#3 { T, F, TF }
{
\exp_args:Nf \tl_if_empty:nTF
{ \bxjh_holiday_name:nnn { #1 } { #2 } { #3 } }
{ \prg_return_false: }
{ \prg_return_true: }
}
% -------------------------------------------------- LaTeX2e interface
%% \jaholidayname { <year> } { <month> } { <day> }
\cs_new_eq:NN \jaholidayname \bxjh_holiday_name:nnn
%% \jadayofweek { <year> } { <month> } { <day> }
\cs_new_eq:NN \jadayofweek \bxjh_day_of_week_name:nnn
%% \IfJaHoliday(TF) { <year> } { <month> } { <day> }
%% ( { <true code> } ) ( { <false code> } )
\cs_new_eq:NN \IfJaHolidayF \bxjh_if_holiday:nnnF
\cs_new_eq:NN \IfJaHolidayT \bxjh_if_holiday:nnnT
\cs_new_eq:NN \IfJaHolidayTF \bxjh_if_holiday:nnnTF
% vim: ft=expl3 nospell:
%% EOF