% Language definition file (part of polyglossia v2.10 -- 2026/04/18)
%
\ProvidesFile{gloss-finnish.ldf}[polyglossia: module for Finnish]
\PolyglossiaSetup{finnish}{
  bcp47=fi,
  bcp47-language=fi,
  bcp47-region=FI,
  bcp47-script=Latn,
  hyphennames={finnish},
  hyphenmins={2,2},
  langtag=FIN,
  frenchspacing=true,
 }

% BCP-47 compliant aliases
\setlanguagealias*{finnish}{fi}

\newif\if@finnish@schoolhyphens
\newif\if@finnish@babelhyphens

\DeclareKeys[polyglossia/gloss/finnish]
  {
    babelshorthands.if = finnish@babelshorthands,
    babelshorthands.default:n = true,
    hyphens.choice:,
    hyphens / default.code =
      {%
        \@finnish@schoolhyphensfalse
        \@finnish@babelhyphensfalse
      },
    hyphens / school.code =
      {%
        \@finnish@schoolhyphenstrue
        \@finnish@babelhyphensfalse
      },
    hyphens / babel.code =
      {%
        \@finnish@schoolhyphensfalse
        \@finnish@babelhyphenstrue
      },
    hyphens.default:n = default,
    hyphens/unknown.code = \xpg@warning{Unknown Finnish hyphens `#1'},
    schoolhyphens.choice:,
    schoolhyphens / true.code =
      {%
        \@finnish@schoolhyphenstrue
        \@finnish@babelhyphensfalse
      },
    schoolhyphens / false.code =
      {%
        \@finnish@schoolhyphensfalse
      },
    schoolhyphens.default:n = true
  }

\ifsystem@babelshorthands
  \SetGlossOptions{finnish}{babelshorthands=true}
  % Register default options
  \InitializeGlossOptions{finnish}{babelshorthands=true,hyphens=default}
\else
  \SetGlossOptions{finnish}{babelshorthands=false}
  % Register default options
  \InitializeGlossOptions{finnish}{babelshorthands=false,hyphens=default}
\fi

\InitializeBabelShorthands

\def\finnish@shorthands{%
  \xpg@activate@shorthands%
  \def\language@group{finnish}%
  \declare@shorthand{finnish}{"-}{\xpg@breakable@hyphen}%
  \declare@shorthand{finnish}{"|}{\xpg@ligature@break}%
  \declare@shorthand{finnish}{""}{\xpg@invisible@break}%
  \declare@shorthand{finnish}{"~}{\xpg@nobreak@hyphen}%
  \declare@shorthand{finnish}{"=}{\xpg@nobreak@hyphen}%
  \declare@shorthand{finnish}{"/}{\xpg@breakable@slash}%
}

\def\nofinnish@shorthands{%
  \xpg@deactivate@shorthands%
}

\def\captionsfinnish{%
   \def\refname{Viitteet}%
   \def\abstractname{Tiivistelmä}%
   \def\bibname{Kirjallisuutta}%
   \def\prefacename{Esipuhe}%
   \def\chaptername{Luku}%
   \def\appendixname{Liite}%
   \def\contentsname{Sisällys}%
   \def\listfigurename{Kuvat}%
   \def\listtablename{Taulukot}%
   \def\indexname{Hakemisto}%
   \def\figurename{Kuva}%
   \def\tablename{Taulukko}%
   %\def\thepart{}%
   \def\partname{Osa}%
   \def\pagename{Sivu}%
   \def\seename{katso}%
   \def\alsoname{katso myös}%
   \def\enclname{Liitteet}%
   \def\ccname{Jakelu}%
   \def\headtoname{Vastaanottaja}%
   \def\proofname{Todistus}%
   \def\glossaryname{Sanasto}%
}

\def\finnish@language{%
  \if@finnish@schoolhyphens
      \IfLanguageDefinedTF{schoolfinnish}{%
         \SetupPolyglossiaLangPatterns{schoolfinnish}%
      }{%
           \xpg@warning{Finnish 'School' hyphenation patterns (schoolfinnish) not available.\MessageBreak
	                I will use the standard patterns for Finnish instead}%
	   \SetupPolyglossiaLangPatterns{finnish}%
     }%
  \else
      \SetupPolyglossiaLangPatterns{finnish}%
  \fi
}

% activate babel-style hyphen settings if requested
\AtBeginDocument{%
    \if@finnish@babelhyphens
	\let\xpg@save@hyphenpenalty\hyphenpenalty%
	\let\xpg@save@exhyphenpenalty\exhyphenpenalty%
	\let\xpg@save@doublehyphendemerits\doublehyphendemerits%
	\let\xpg@save@finalhyphendemerits\finalhyphendemerits%
	\addto\blockextras@finnish{%
	  \hyphenpenalty=30%
	  \exhyphenpenalty=30%
	  \doublehyphendemerits=5000%
	  \finalhyphendemerits=5000%
	}%
	\addto\noextras@finnish{%
	  \let\hyphenpenalty\xpg@save@hyphenpenalty%
	  \let\exhyphenpenalty\xpg@save@exhyphenpenalty%
	  \let\doublehyphendemerits\xpg@save@doublehyphendemerits%
	  \let\finalhyphendemerits\xpg@save@finalhyphendemerits%
	}%
    \fi
}

\def\datefinnish{%
   \def\today{\number\day.~\ifcase\month\or
    tammikuuta\or helmikuuta\or maaliskuuta\or huhtikuuta\or
    toukokuuta\or kesäkuuta\or heinäkuuta\or elokuuta\or
    syyskuuta\or lokakuuta\or marraskuuta\or joulukuuta\fi
    \space\number\year}}

\def\noextras@finnish{%
  \iffinnish@babelshorthands\nofinnish@shorthands\fi%
}

\def\blockextras@finnish{%
  \iffinnish@babelshorthands\finnish@shorthands\else\nofinnish@shorthands\fi%
}

\def\inlineextras@finnish{%
  \iffinnish@babelshorthands\finnish@shorthands\else\nofinnish@shorthands\fi%
}

\endinput