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%%
%% `numspell.sty'
%%
%% Package for spelling the non-negative cardinal and ordinal numbers (maximum 66 digits).
%%
%% Copyright 2017-2021 by Tibor Tomacs
%%
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%% The latest version of this license is in
%% http://www.latex-project.org/lppl.txt
%% and version 1.3 or later is part of all distributions of LaTeX
%% version 2005/12/01 or later.
%%
%% This work has the LPPL maintenance status `maintained'.
%%
%% The Current Maintainer of this work is Tibor Tomacs.
%%
\NeedsTeXFormat{LaTeX2e}[2020/10/01]
\ProvidesPackage{numspell}[2021/11/23 v1.5 Package for spelling cardinal and ordinal numbers]
\RequirePackage{xstring,iflang}
\newcounter{numspell@counter@tempa}
\newcounter{numspell@counter@tempb}
\newcounter{numspell@counter@tempc}
\newcounter{numspell@groupcount}
%% -------------------------------
%% \numspell@group@digits{<group>} (<group>=000,001,...,999)
%% -------------------------------
%% It generates the following parameters:
%%
%% \numspell@group@digit@i = 1st digit
%% \numspell@group@digit@ii = 2nd digit
%% \numspell@group@digit@iii = 3rd digit
%%
\def\numspell@group@digits#1{%
\StrChar{#1}{1}[\numspell@group@digit@i]%
\StrChar{#1}{2}[\numspell@group@digit@ii]%
\StrChar{#1}{3}[\numspell@group@digit@iii]%
}
%% --------------------------------
%% \numspell@groups{<num1>}{<num2>} (<num1>*10^<num2>=0,1,...,999999999999...9 = 10^66-1 (66 digits))
%% --------------------------------
%% It generates the following parameters:
%%
%% \numspell@num = <num1>*10^<num2>
%% \numspell@numlength = number of \numspell@num digits
%% \numspell@fullnum = (66-\numspell@numlength) pieces 0, then \numspell@num
%% \numspell@group@i = 64th, 65th and 66th digits of \numspell@fullnum --> [group1]
%% \numspell@group@ii = 61th, 62th and 63th digits of \numspell@fullnum --> [group2]
%% \numspell@group@iii = 58th, 59th and 60th digits of \numspell@fullnum --> [group3]
%% ... ... ...
%% \numspell@group@xxii = 1st, 2nd and 3rd digits of \numspell@fullnum --> [group22]
%% \numspell@group@max = maximum <number>, which such that, [group<number>] is positive
%% \numspell@group@min = minimum <number>, which such that, [group<number>] is positive
%% \numspell@group@<num>@before = number of positive groups, whose serial number is less then <num> (<num>=ii,iii,...,xxii)
%%
\def\numspell@groups#1#2{%
\def\numspell@num{#1}%
\setcounter{numspell@counter@tempa}{0}%
\@whilenum\value{numspell@counter@tempa}<#2%
\do{%
\stepcounter{numspell@counter@tempa}%
\g@addto@macro\numspell@num{0}%
}%
\def\numspell@fullnum{}%
\StrLen{\numspell@num}[\numspell@numlength]%
\ifnum\numspell@numlength>66\@latexerr{Number too big (\numspell@numlength\space digits). Maximum 66 digits}{}\fi%
\setcounter{numspell@counter@tempa}{66}%
\addtocounter{numspell@counter@tempa}{-\numspell@numlength}%
\setcounter{numspell@counter@tempb}{0}%
\@whilenum\value{numspell@counter@tempb}<\value{numspell@counter@tempa}%
\do{%
\stepcounter{numspell@counter@tempb}%
\g@addto@macro\numspell@fullnum{0}%
}%
\g@addto@macro\numspell@fullnum{\numspell@num}%
\StrMid{\numspell@fullnum}{64}{66}[\numspell@group@i]%
\StrMid{\numspell@fullnum}{61}{63}[\numspell@group@ii]%
\StrMid{\numspell@fullnum}{58}{60}[\numspell@group@iii]%
\StrMid{\numspell@fullnum}{55}{57}[\numspell@group@iv]%
\StrMid{\numspell@fullnum}{52}{54}[\numspell@group@v]%
\StrMid{\numspell@fullnum}{49}{51}[\numspell@group@vi]%
\StrMid{\numspell@fullnum}{46}{48}[\numspell@group@vii]%
\StrMid{\numspell@fullnum}{43}{45}[\numspell@group@viii]%
\StrMid{\numspell@fullnum}{40}{42}[\numspell@group@ix]%
\StrMid{\numspell@fullnum}{37}{39}[\numspell@group@x]%
\StrMid{\numspell@fullnum}{34}{36}[\numspell@group@xi]%
\StrMid{\numspell@fullnum}{31}{33}[\numspell@group@xii]%
\StrMid{\numspell@fullnum}{28}{30}[\numspell@group@xiii]%
\StrMid{\numspell@fullnum}{25}{27}[\numspell@group@xiv]%
\StrMid{\numspell@fullnum}{22}{24}[\numspell@group@xv]%
\StrMid{\numspell@fullnum}{19}{21}[\numspell@group@xvi]%
\StrMid{\numspell@fullnum}{16}{18}[\numspell@group@xvii]%
\StrMid{\numspell@fullnum}{13}{15}[\numspell@group@xviii]%
\StrMid{\numspell@fullnum}{10}{12}[\numspell@group@xix]%
\StrMid{\numspell@fullnum}{7}{9}[\numspell@group@xx]%
\StrMid{\numspell@fullnum}{4}{6}[\numspell@group@xxi]%
\StrMid{\numspell@fullnum}{1}{3}[\numspell@group@xxii]%
\def\numspell@group@max{0}%
\setcounter{numspell@counter@tempa}{0}%
\@whilenum\value{numspell@counter@tempa}<22%
\do{%
\stepcounter{numspell@counter@tempa}%
\ifnum\csname numspell@group@\roman{numspell@counter@tempa}\endcsname>0%
\edef\numspell@group@max{\thenumspell@counter@tempa}%
\fi%
}%
\def\numspell@group@min{0}%
\setcounter{numspell@counter@tempa}{23}%
\@whilenum\value{numspell@counter@tempa}>1%
\do{%
\addtocounter{numspell@counter@tempa}{-1}%
\ifnum\csname numspell@group@\roman{numspell@counter@tempa}\endcsname>0%
\edef\numspell@group@min{\thenumspell@counter@tempa}%
\fi%
}%
\setcounter{numspell@counter@tempa}{1}%
\@whilenum\value{numspell@counter@tempa}<22%
\do{%
\stepcounter{numspell@counter@tempa}%
\setcounter{numspell@counter@tempb}{1}%
\setcounter{numspell@counter@tempc}{0}%
\@whilenum\value{numspell@counter@tempb}<\value{numspell@counter@tempa}%
\do{%
\ifnum\csname numspell@group@\roman{numspell@counter@tempb}\endcsname>0%
\stepcounter{numspell@counter@tempc}%
\fi%
\stepcounter{numspell@counter@tempb}%
}%
\expandafter\protected@edef\csname numspell@group@\roman{numspell@counter@tempa}@before\endcsname{\thenumspell@counter@tempc}%
}%
}
%% --------------------
%% \numspell@{<string>}
%% --------------------
%% E.g. \def\thenumspell{}\numspell@{one}\numspell@{ hundred}\thenumspell --> 'one hundred'
%%
\def\thenumspell{}
\def\numspell@#1{\g@addto@macro\thenumspell{#1}}
%% ---------------------
%% \numspellsave{<name>}
%% ---------------------
%% E.g. \def\thenumspell{one}\numspellsave{foo}\thenumspellfoo --> 'one'
%%
\DeclareRobustCommand*{\numspellsave}[1]{\expandafter\protected@xdef\csname thenumspell#1\endcsname{\thenumspell}\ignorespaces}
%% -------------------------------
%% \numspelldashspace{<length>}
%% -------------------------------
%% It determinates the maximal flexibility of the spaces around the dashes. Default: 2pt
%% E.g. \numspelldashspace{5pt} --> \numspell@dash@ = \numspell@{\nobreak\hskip0pt plus5pt-\hskip0pt plus5pt}
%%
\def\numspell@dash@@#1{\leavevmode\nobreak\hskip0pt plus#1-\hskip0pt plus#1\relax}
\def\numspelldashspace#1{\def\numspell@dash@{\numspell@{\numspell@dash@@{#1}}}\ignorespaces}
\numspelldashspace{2pt}
%% -------------------------
%% \numspell[<num2>]{<num1>} (Default <num2> is 0)
%% -------------------------
%% \numspell@num@spell@<lang>{<num1>}{<num2>}\thenumspell
%%
%% --------------------------
%% \numspell*[<num2>]{<num1>}
%% --------------------------
%% It works like \numspell, but \thenumspell will not be expanded.
%%
\newcommand{\numspell@output}[2][0]{\csname numspell@num@spell@\numspell@langname\endcsname{#2}{#1}\thenumspell}
\newcommand{\numspell@@output}[2][0]{\csname numspell@num@spell@\numspell@langname\endcsname{#2}{#1}\ignorespaces}
\DeclareRobustCommand*{\numspell}{\numspell@lang@check\@ifstar{\numspell@@output}{\numspell@output}}
%% -------------------------
%% \Numspell[<num2>]{<num1>} (Default <num2> is 0)
%% -------------------------
%% \numspell@num@spell@<lang>{<num1>}{<num2>}\numspell@uppercase\thenumspell
%%
%% --------------------------
%% \Numspell*[<num2>]{<num1>}
%% --------------------------
%% It works like \Numspell, but \thenumspell will not be expanded.
%%
\newcommand{\Numspell@output}[2][0]{\csname numspell@num@spell@\numspell@langname\endcsname{#2}{#1}%
\csname numspell@uppercase@\numspell@langname\endcsname\thenumspell}
\newcommand{\Numspell@@output}[2][0]{\csname numspell@num@spell@\numspell@langname\endcsname{#2}{#1}%
\csname numspell@uppercase@\numspell@langname\endcsname\ignorespaces}
\DeclareRobustCommand*{\Numspell}{\numspell@lang@check\@ifstar{\Numspell@@output}{\Numspell@output}}
%% ----------------------------
%% \ordnumspell[<num2>]{<num1>} (Default <num2> is 0)
%% ----------------------------
%% \numspell@ordnum@spell@<lang>{<num1>}{<num2>}\thenumspell
%%
%% -----------------------------
%% \ordnumspell*[<num2>]{<num1>}
%% -----------------------------
%% It works like \ordnumspell, but \thenumspell will not be expanded.
%%
\newcommand{\ordnumspell@output}[2][0]{\csname numspell@ordnum@spell@\numspell@langname\endcsname{#2}{#1}\thenumspell}
\newcommand{\ordnumspell@@output}[2][0]{\csname numspell@ordnum@spell@\numspell@langname\endcsname{#2}{#1}\ignorespaces}
\DeclareRobustCommand*{\ordnumspell}{\numspell@lang@check\@ifstar{\ordnumspell@@output}{\ordnumspell@output}}
%% ----------------------------
%% \Ordnumspell[<num2>]{<num1>} (Default <num2> is 0)
%% ----------------------------
%% \numspell@ordnum@spell@<lang>{<num1>}{<num2>}\numspell@uppercase\thenumspell
%%
%% -----------------------------
%% \Ordnumspell*[<num2>]{<num1>}
%% -----------------------------
%% It works like \Ordnumspell, but \thenumspell will not be expanded.
%%
\newcommand{\Ordnumspell@output}[2][0]{\csname numspell@ordnum@spell@\numspell@langname\endcsname{#2}{#1}%
\csname numspell@uppercase@\numspell@langname\endcsname\thenumspell}
\newcommand{\Ordnumspell@@output}[2][0]{\csname numspell@ordnum@spell@\numspell@langname\endcsname{#2}{#1}%
\csname numspell@uppercase@\numspell@langname\endcsname\ignorespaces}
\DeclareRobustCommand*{\Ordnumspell}{\numspell@lang@check\@ifstar{\Ordnumspell@@output}{\Ordnumspell@output}}
%% --------------------
%% \numspell@lang@check
%% --------------------
%%
\newif\if@numspell@lang@notsupported@
\def\numspell@lang@check{%
\@numspell@lang@notsupported@true%
\def\numspell@langname{en}%
\IfLanguageName{english}{\@numspell@lang@notsupported@false}{}%
\IfLanguageName{british}{\@numspell@lang@notsupported@false}{}%
\IfLanguageName{ukenglish}{\@numspell@lang@notsupported@false}{}%
\IfLanguageName{UKenglish}{\@numspell@lang@notsupported@false}{}%
\IfLanguageName{american}{\@numspell@lang@notsupported@false\numspell@US}{}%
\IfLanguageName{usenglish}{\@numspell@lang@notsupported@false\numspell@US}{}%
\IfLanguageName{USenglish}{\@numspell@lang@notsupported@false\numspell@US}{}%
\IfLanguageName{magyar}{\@numspell@lang@notsupported@false\def\numspell@langname{hu}}{}%
\IfLanguageName{hungarian}{\@numspell@lang@notsupported@false\def\numspell@langname{hu}}{}%
\IfLanguageName{german}{\@numspell@lang@notsupported@false\def\numspell@langname{de}}{}%
\IfLanguageName{ngerman}{\@numspell@lang@notsupported@false\def\numspell@langname{de}}{}%
\IfLanguageName{french}{\@numspell@lang@notsupported@false\def\numspell@langname{fr}}{}%
\IfLanguageName{italian}{\@numspell@lang@notsupported@false\def\numspell@langname{it}}{}%
\IfLanguageName{latin}{\@numspell@lang@notsupported@false\def\numspell@langname{la}}{}%
\IfLanguageName{classiclatin}{\@numspell@lang@notsupported@false\def\numspell@langname{la}}{}%
\IfLanguageName{medievallatin}{\@numspell@lang@notsupported@false\def\numspell@langname{la}}{}%
\IfLanguageName{ecclesiasticlatin}{\@numspell@lang@notsupported@false\def\numspell@langname{la}}{}%
\if@numspell@lang@notsupported@\PackageWarning{numspell}{\languagename\space is not supported language in numspell}\fi%
}
%% -------------------------
%% Loading language packages
%% -------------------------
%%
\AddToHook{begindocument/before}{
\RequirePackage{numspell-english}
\ifdefined\datemagyar\RequirePackage{numspell-magyar}\fi%
\ifdefined\datehungarian\RequirePackage{numspell-magyar}\fi%
\ifdefined\dategerman\RequirePackage{numspell-german}\fi%
\ifdefined\datengerman\RequirePackage{numspell-german}\fi%
\ifdefined\datefrench\RequirePackage{numspell-french}\fi%
\ifdefined\dateitalian\RequirePackage{numspell-italian}\fi%
\ifdefined\datelatin\RequirePackage{numspell-latin}\fi%
\ifdefined\dateclassiclatin\RequirePackage{numspell-latin}\fi%
\ifdefined\datemedievallatin\RequirePackage{numspell-latin}\fi%
\ifdefined\dateecclesiasticlatin\RequirePackage{numspell-latin}\fi%
}
%% ---------------------------------
%% Instructions for language package
%% ---------------------------------
%%
%% If the language name is <language> in babel or polyglossia,
%% then the name of the language package file will be numspell-<language>.sty (e.g. numspell-english.sty).
%%
%% Extend the following commands in the numspell.sty:
%% \AtEndPreamble
%% \numspell@lang@check (Use the \def\numspell@langname{<lang>}, where <lang> is abbreviation of the <language>, e.g. 'en' in case 'english'.)
%%
%% Define the following commands in numspell-<language>.sty:
%% \numspell@uppercase@<lang>
%% \numspell@group@<num>@<lang>@name
%% \numspell@ordgroup@<num>@<lang>@name
%% \numspell@group@spell@<lang>
%% \numspell@ordgroup@spell@<lang>
%% \numspell@num@spell@<lang>
%% \numspell@ordnum@spell@<lang>
%% (See <lang> at \numspell@lang@check.)
%%
%% Put into the \numspell@{...} command the words of the spelling (e.g. \numspell@{one}).
%%
%% Type the non-ascii characters as LaTeX-commands: \'{a}, \'{e}, \ss{}, etc.
%%
%% If the first character is non-ascii, then place it within braces (see \numspell@uppercase@<lang>) (e.g. {\"{o}}t).
%%
%% Do not use \numspell@{-} as dash! Instead of it: \numspell@dash@ (see \numspelldashspace).
%%
%% Do not use the following form: \def\foo{text} ... \numspell@{\foo}
%% Instead of it: \def\numspell@foo@<lang>{\numspell@{text}} ... \numspell@foo@<lang>
\endinput
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