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polyglossia.sty
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polyglossia.sty
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\NeedsTeXFormat{LaTeX2e}
\ProvidesExplPackage
{polyglossia} {2023/12/11} {v1.66}
{Modern multilingual typesetting with XeLaTeX and LuaLaTeX}
\RequirePackage{etoolbox}
\RequirePackage{xkeyval}[2008/08/13]
% Will raise error if used with anything else than XeTeX or LuaTeX
\RequirePackage{fontspec}[2010/06/08]% v2.0
\RequirePackage{iftex}
% Execute code #3 if package #1 has been loaded already, else
% add to package hook #2
\cs_new_nopar:Nn \__xpg_at_package_hook:nnn{
\@ifpackageloaded{#1}{#3}{\AddToHook{#2}{#3}}%
}
\prg_generate_conditional_variant:Nnn \clist_if_in:Nn {Ne} {TF, T, F} % check if needed
% correct a bug in tracklang
\__xpg_at_package_hook:nnn{tracklang}{file/tracklang.sty/after}{%
\@ifpackagelater{tracklang}{2019/08/30}{}{\global\def\AddTrackedLangage{\AddTrackedLanguage}}
}
%% This is for compatibility with Babel-aware package:
\def\languageshorthands#1{\relax} % this is for scrlttr2 class
\def\bbl@cs#1{\csname bbl@#1\endcsname}
\AddToHook{begindocument/before}{
\let\bbl@set@language\xpg@set@language@aux % for biblatex
\let\bbl@main@language\xpg@main@language % for biblatex
\providecommand\texorpdfstring[2]{#1} % dummy command if hyperref is not loaded
}
%% when no patterns are available, we use \l@nohyphenation, assigned to 255
%% (suggestion by Enrico Gregorio)
%% \l@nohyphenation is defined in polyglossia.lua
\sys_if_engine_luatex:TF
{
\RequirePackage{luatexbase} % already included by fontspec, but needed here
\RequireLuaModule{polyglossia}
}{
\cs_if_free:cT { l@nohyphenation }
{\chardef\l@nohyphenation=255 }
}
% Which version of XeTeX do we use? What is the boudary class? 4095 or 255
\@ifundefined{e@alloc@intercharclass@top}
{\chardef\xpg@boundaryclass=\@cclv}
{\let\xpg@boundaryclass=\e@alloc@intercharclass@top}
% Useful for getting list of loaded languages and variants. Like babel's bbl@loaded
% all language loaded
\seq_new:N \__xpg_langs_loaded
% list of loaded languages (polyglossia name)
\clist_new:N \xpg@loaded
% list of loaded variants
\clist_new:N \xpg@vloaded
% list of loaded languages (babel name)
\clist_new:N \xpg@bloaded
% list of loaded languages (bcp-47 id)
\clist_new:N \xpg@bcp@loaded
% counter in latin
\def\latinalph#1{\expandafter\latin@alph\csname c@#1\endcsname}
\def\latinAlph#1{\expandafter\latin@Alph\csname c@#1\endcsname}
% select language hook
\cs_new_nopar:Nn \polyglossia@AtBeginDocument@selectlanguage: {}
% \disablehyphenation hook
\cs_new_nopar:Nn \polyglossia@AtBeginDocument@hyphenation: {}
% hook to be executed at begin of document
\cs_new_nopar:Nn \polyglossia@AtBeginDocument: {
% save various command
\let\latin@alph\@alph % TODO rename when we have the C locale
\let\latin@Alph\@Alph % TODO rename when we have the C locale
% push to C language gloss
\let\polyglossia@Clang@@arabic\@arabic
\let\polyglossia@Clang@arabic\arabic
\xpg@initial@setup
% apply \familydefault changes
\xpg@set@familydefault
}
\AtBeginDocument{
\polyglossia@AtBeginDocument:
}
% The following needs to go after any \AtBeginDocument (also of packages
% loaded after \set[main|other]language
\AfterEndPreamble{
% now we have the C locale definition: select the language
\polyglossia@AtBeginDocument@selectlanguage:
% If hyphenation disabling has been requested in preamble, do it now
\polyglossia@AtBeginDocument@hyphenation:
}
%% custom message macros
\providecommand*{\xpg@error}[1]{
\PackageError{polyglossia}{#1}{}
}
\providecommand*{\xpg@warning}[1]{
\PackageWarning{polyglossia}{#1}
}
\providecommand*{\xpg@info}[1]{
\PackageInfo{polyglossia}
{#1\@gobble}
} %% the \@gobble is to prevent displaying the line nr
%TODO change all instances of \xpg@nopatterns in gloss-*.ldf files
\providecommand*{\xpg@nopatterns@fallback}[2][nohyphenation]{
\xpg@warning{No~ hyphenation~ patterns~ were~ loaded~ for~ `#2'\MessageBreak
I~ will~ use~ \string\language=\string\l@ #1\space instead}
\expandafter\adddialect\csname l@#2\expandafter\endcsname\csname l@#1\endcsname\relax}
\providecommand*{\xpg@nopatterns}[1]{
\xpg@warning{No~ hyphenation~ patterns~ were~ loaded~ for~ `#1'\MessageBreak
I~ will~ use~ \string\language=\string\l@nohyphenation\space instead}
%%TODO? \expandafter\adddialect\csname l@#1\endcsname\l@nohyphenation\relax
}
\def\xpg@ill@value#1#2{
\xpg@warning{Illegal~ value~ (#1)~ for~ #2}}
% error out if lang is not loaded
\cs_new_nopar:Nn \polyglossia@error@iflangnotloaded:n
{
\seq_if_in:NeF \__xpg_langs_loaded {#1}
{
\xpg@error{language~ #1~ is~ not~ loaded.~ Please~ load~ it~ before~ using~ it.}
}
}
\msg_new:nnn { polyglossia } { languagenotloaded }
{
The~ language~ #1~ is~ not~ loaded.~ You~ should~ load~ it.
}
\msg_redirect_name:nnn { polyglossia } { languagenotloaded } { critical }
\msg_new:nnn { polyglossia } { languagenolongerloaded }
{
The~ language~ #1~ is~ no~ longer~ loaded.~ Please~ rerun~ LaTeX.
}
\msg_redirect_name:nnn { polyglossia } { languagenolongerloaded } { warning }
%
%% use macro if defined, else warn that it is not
\cs_new_nopar:Nn \__xpg_use_or_warn:N
{
\cs_if_exist_use:NF {#1}
{
\xpg@warning { \tl_to_str:N {#1} ~ is~ not~ defined }
}
}
\cs_generate_variant:Nn \__xpg_use_or_warn:N {c}
%% ensure directionality if bidi is loaded, else ignore
\def\@@ensure@dir#1{\ifcsundef{@ensure@dir}{#1}{\@ensure@dir{#1}}}
\def\@@ensure@maindir#1{\ifcsundef{@ensure@maindir}{#1}{\@ensure@maindir{#1}}}
%% Used by the language definitions files for right-to-left languages
\def\RequireBidi
{
\sys_if_engine_luatex:TF
{\ifx\@onlypreamble\@notprerr\else\RequirePackage{luabidi}\fi}
{\ifx\@onlypreamble\@notprerr\else\RequirePackage{bidi}\fi}
}
% if #1 is LR run #2 else #3
\prg_set_conditional:Nnn \__xpg_if_LR_str:n {p, T, F, TF}
{
\str_case_e:nnF{#1}{
{LR}{\prg_return_true:}
{RL}{\prg_return_false:}
}
{
\xpg@error{Unknown~ direction~#1}
\prg_return_false:
}
}
\prg_generate_conditional_variant:Nnn \__xpg_if_LR_str:n {e} {p, T, F, TF}
% (lua)bidi commands to change directionality for paragraphs
% and inline text.
% overwritten with correct package
\cs_new_nopar:Nn{\polyglossia@setpardirection:n}{
\__xpg_if_LR_str:nF {#1}
{
\xpg@error{right-to-left,~ but~ (lua)bidi~ package~ was~ not~ loaded!}
}
}
\cs_new_nopar:Nn{\polyglossia@settextdirection:n}{
\__xpg_if_LR_str:nF {#1}
{
\xpg@error{right-to-left,~ but~ (lua)bidi~ package~ was~ not~ loaded!}
}
}
\__xpg_at_package_hook:nnn{bidi}{package/bidi/after}{
\cs_gset_nopar:Nn{\polyglossia@setpardirection:n}{
\__xpg_if_LR_str:nTF{#1}
{
\setLR
}
{
\setRL
}
}
\cs_gset_nopar:Nn{\polyglossia@settextdirection:n}{
\__xpg_if_LR_str:nTF{#1}
{
\LRE
}
{
\RLE
}
}
}
\__xpg_at_package_hook:nnn{luabidi}{package/luabidi/after}{
\cs_gset_nopar:Nn{\polyglossia@setpardirection:n}{
\__xpg_if_LR_str:nTF{#1}
{
\setLR
}
{
\setRL
}
}
\cs_gset_nopar:Nn{\polyglossia@settextdirection:n}{
\__xpg_if_LR_str:nTF{#1}
{
\LRE
}
{
\RLE
}
}
}
% emulate \RTLmain
\sys_if_engine_luatex:TF
{ \cs_new_nopar:Nn \__xpg_setRTLmain: { \setRTLmain } }
{ \cs_new_nopar:Nn \__xpg_setRTLmain: { \@RTLmaintrue\setnonlatin } }
%% compatibility with babel
\let\addto\gappto % gappto is defined in etoolbox
%% NEW EXPERIMENTAL SETUP INTERFACE FOR GLOSS FILES
%% options currently available:
%% language : the name of the language (as understood by fontspec)
%% hyphennames : the different hyphenation patterns to try (comma separated list)
%%% TODO: if pattern is prefixed by !, then it should be loaded as a fallback, with \xpg@nopatterns@fallback - i.e. with a warning: e.g. sanskrit for hindi, or catalan for asturian. – Also for languages with variants! (English and German, etc.)
%% script : the name of the script (as understood by fontspec) – default is Latin
%% scripttag : the OpenType tag for the script
%% langtag : the OpenType tag for the language
%% hyphenmins : the hyphenmins for this language (comma-sep list of two integers)
%% frenchspacing : boolean
%% indentfirst : boolean
%% fontsetup : boolean
%% TODO: nouppercase : boolean (for scripts like Arabic, Devanagari, etc which have no concept of uppercase/lowercase)
%% TODO: localalph = {<alph_csname>,<Alph_csname>}
%% TODO: localnumeral = <csname>
%% or even better localdigits = {0123456789} for fully automatic setup
\newcommand*\PolyglossiaSetup[2]{
\polyglossia@keys_define_lang:n{#1}
\keys_set:nn { polyglossia / #1 } { #2 }
\polyglossia_setup_hyphen:n {#1}
%define booleans etoolbox style and set defaults
%% TODO ? \providetoggle{#1@setup@done}%
% we initialize these so that we can use \gappto below
\csgdef{init@extras@#1}{}
\csgdef{init@noextras@#1}{} % we don't use this yet: remove?
% here we do the fontsetup:
\xpg__auto_setupfont:n { #1 }
%% TODO? \toggletrue{#1@setup@done}
% register base alias
\xpg_language_alias { #1 } { #1 }
}
% Adjust language key setting after initial setup.
% Principally any key can be altered this way.
% The command is mainly used in gloss file where
% different options (variant, script, etc.) result
% in different babel names, bcp47 specification,
% or OpenType language or script tags.
\DeclareDocumentCommand \SetLanguageKeys { m m }
{
\clist_map_inline:nn { #1 } { \keys_set:nn { polyglossia / ##1 } { #2 } }
}
% setup hyphennames from a str list of hyphen
\cs_new:Nn \polyglossia_setup_hyphen:n {
\clist_set:Ne{\l_tmpa_clist}{\prop_item:Nn \polyglossia@langsetup {#1 / hyphennames}}
\providebool{havehyphen}
\boolfalse{havehyphen}
% for each hyphen in the set until we find one that works
\clist_map_inline:Nn \l_tmpa_clist {
\ifbool{havehyphen}{}{
% check if language hyphenname is defined
\__xpg_check_if_exist_l@:nF{#1}{
% if not, first consider nohyphenation
\str_if_eq:nnTF{##1}{nohyphenation}
{
\cs_gset_eq:cc{l@#1}{l@##1}
\global\booltrue{havehyphen}
}{
% then test if hyphenation is defined
\xpg@ifdefined{##1}{
% test if language hyphenation is nohyphenation
\cs_if_eq:cNF{l@#1}{\l@nohyphenation}{\global\booltrue{havehyphen}}{%
% if false define language to hyphenation if it is not equal...
\str_if_eq:nnF{#1}{##1}{\cs_gset_eq:cc{l@#1}{l@##1}}
% ...and load
\xpg@set@hyphenation@patterns{##1}
\global\booltrue{havehyphen}
}
}{}
}
}
}
}
% if l@#1 does not yet exist,
% we assign it to nohyphenation
% we do this here in case and if the hyphennames key was omitted
\ifbool{havehyphen}{}{
\xpg@ifdefined{#1}{}
{
\xpg@nopatterns{#1}
\expandafter\adddialect\csname l@#1\endcsname\l@nohyphenation\relax
}
}
\csdef{#1@language}{
\polyglossia@setup@language@patterns{#1}
}
% setup hyphenmins
\clist_set:Ne \l_tmpa_clist
{ \prop_item:Nn \polyglossia@langsetup {#1 / hyphenmins} }
\cs_if_eq:cNF {l@#1} \l@nohyphenation
{
\use:x
{
\exp_not:N \setlocalhyphenmins {#1}
{ \clist_item:Nn \l_tmpa_clist {1} }
{ \clist_item:Nn \l_tmpa_clist {2} }
}
}
}
\newcommand*\polyglossia@setup@language@patterns[1]{
\ifbool{xpg@hyphenation@disabled}{
\xdef\xpg@lastlanguage{\the\csname l@#1\endcsname}
}{
% first, test if \l@#1 exists
% without that, \csname l@#1\endcsname will be defined as \relax
\cs_if_exist:cTF {l@#1}
{
\cs_if_eq:cNTF {l@#1} \l@nohyphenation
{
\language=\l@nohyphenation
}
{
\xpg@set@hyphenation@patterns{#1}
}
}
{
% Since this function is sometimes called from the gloss files
% directly, we need to check whether the requested hyphenname exists.
\xpg@ifdefined{#1}{}
{
\xpg@nopatterns{#1}
\expandafter\adddialect\csname l@#1\endcsname\l@nohyphenation\relax%
}
\xpg@set@hyphenation@patterns{#1}
}
}
}
\prop_new:N \polyglossia@langsetup
\cs_new_protected:Npn \polyglossia@keys_define_lang:n #1 {
\keys_define:nn {polyglossia}{
% the script font
#1 / script
.code:n = {
\prop_gput:Nnn{\polyglossia@langsetup}{#1/script}{##1}
\prop_gput:Nne{\polyglossia@langsetup}{#1/lcscript}
{\tl_if_empty:nF{##1}{\str_lowercase:n{##1}}}
},
#1 / script
.value_required:n = true,
#1 / script
.initial:n = latin,
% the opentype script tag
#1 / scripttag
.code:n = {\prop_gput:Nnn{\polyglossia@langsetup}{#1/scripttag}{##1}},
#1 / scripttag
.default:n = {},
#1 / scripttag
.initial:n = {},
% the language full name
#1 / language
.code:n = {\prop_gput:Nnn{\polyglossia@langsetup}{#1/language}{##1}},
#1 / language
.value_required:n = true,
#1 / language
.initial:x = {\str_uppercase:n#1},
% the language tag
#1 / langtag
.code:n = {\prop_gput:Nnn{\polyglossia@langsetup}{#1/langtag}{##1}},
#1 / langtag
.value_required:n = true,
#1 / langtag
.initial:n = {},
% the BCP-47 tag
#1 / bcp47
.code:n = {\prop_gput:Nnn{\polyglossia@langsetup}{#1/bcp47}{##1}},
#1 / bcp47
.value_required:n = true,
#1 / bcp47
.initial:n = {},
% the BCP-47 language tag
#1 / bcp47-language
.code:n = {\prop_gput:Nnn{\polyglossia@langsetup}{#1/bcp47-language}{##1}},
#1 / bcp47-language
.value_required:n = true,
#1 / bcp47-language
.initial:n = {},
% the BCP-47 region tag
#1 / bcp47-region
.code:n = {\prop_gput:Nnn{\polyglossia@langsetup}{#1/bcp47-region}{##1}},
#1 / bcp47-region
.value_required:n = false,
#1 / bcp47-region
.initial:n = {},
% the BCP-47 script tag
#1 / bcp47-script
.code:n = {\prop_gput:Nnn{\polyglossia@langsetup}{#1/bcp47-script}{##1}},
#1 / bcp47-script
.value_required:n = true,
#1 / bcp47-script
.initial:n = {},
% the BCP-47 variant tag
#1 / bcp47-variant
.code:n = {\prop_gput:Nnn{\polyglossia@langsetup}{#1/bcp47-variant}{##1}},
#1 / bcp47-variant
.value_required:n = false,
#1 / bcp47-variant
.initial:n = {},
% the BCP-47 extension-t tag
#1 / bcp47-extension-t
.code:n = {\prop_gput:Nnn{\polyglossia@langsetup}{#1/bcp47-extension-t}{##1}},
#1 / bcp47-extension-t
.value_required:n = false,
#1 / bcp47-extension-t
.initial:n = {},
% the BCP-47 extension-u tag
#1 / bcp47-extension-u
.code:n = {\prop_gput:Nnn{\polyglossia@langsetup}{#1/bcp47-extension-u}{##1}},
#1 / bcp47-extension-u
.value_required:n = false,
#1 / bcp47-extension-u
.initial:n = {},
% the BCP-47 extension-x tag
#1 / bcp47-extension-x
.code:n = {\prop_gput:Nnn{\polyglossia@langsetup}{#1/bcp47-extension-x}{##1}},
#1 / bcp47-extension-x
.value_required:n = false,
#1 / bcp47-extension-x
.initial:n = {},
% the BCP-47 casing alias
#1 / bcp47-casing
.code:n = {\prop_gput:Nnn{\polyglossia@langsetup}{#1/bcp47-casing}{##1}},
#1 / bcp47-casing
.value_required:n = false,
#1 / bcp47-casing
.initial:n = {},
% hyphennames
#1 / hyphennames
.code:n = {
\clist_set:Nn{\l_tmpa_clist}{##1}
\prop_gput:Nne{\polyglossia@langsetup}{#1/hyphennames}{\clist_use:Nn \l_tmpa_clist {,}}
},
#1 / hyphennames
.value_required:n = true,
#1 / hyphennames
.initial:x = {\c_empty_clist},
% direction
#1 / direction
. code:n = {
\str_case_e:nnTF{##1}{
{LR}{}
{RL}{\RequireBidi}
}
{\prop_gput:Nnn{\polyglossia@langsetup}{#1/direction}{##1}}
{\xpg@error{Unknown~ direction~ "##1"~ for~ language~ "#1"}}
},
#1 / direction
.value_required:n = true,
#1 / direction
.initial:n = {LR},
% minimal left and right hyphenation minima using
#1 / hyphenmins
.code:n = {
% check syntax
\int_compare:nNnF { \clist_count:n {##1} } = {2}
{\xpg@error{hypenmins~should~be~a~list~of~two~entries,~got~"##1"}}
% set prop
\prop_gput:Nnn \polyglossia@langsetup {#1/hyphenmins} {##1}
},
#1 / hyphenmins
.value_required:n = true,
#1 / hyphenmins
.initial:n = {2,3},
% minimal length for hyphenation (LuaTeX only)
#1 / totalhyphenmin
.code:n = {
% check syntax
\int_compare:nNnF { \clist_count:n {##1} } = {1}
{\xpg@error{totalhyphenhypenmin~should~be~a~single~entry,~got~"##1"}}
% set prop
\prop_gput:Nnn \polyglossia@langsetup {#1/totalhyphenmin} {##1}
},
#1 / totalhyphenmin
.value_required:n = false,
% frenchspacing
#1 / frenchspacing .bool_gset:c = g__xpg_#1_fs_bool ,
#1 / frenchspacing .default:n = true ,
#1 / frenchspacing .initial:n = false ,
% indent first line
#1 / indentfirst .bool_gset:c = g__xpg_#1_if_bool ,
#1 / indentfirst .default:n = true ,
#1 / indentfirst .initial:n = false ,
% fontsetup
#1 / fontsetup .bool_gset:c = g__xpg_#1_fontsetup_bool ,
#1 / fontsetup .default:n = true ,
#1 / fontsetup .initial:n = false ,
% environment name
#1 / envname
.code:n = {
\prop_gput:Nnn{\polyglossia@langsetup}{#1/envname}{##1}
},
#1/ envname.value_required:n = true,
#1/ envname.initial:n = {#1},
% babel name
#1 / babelname
.code:n = {
\prop_gput:Nnn{\polyglossia@langsetup}{#1/babelname}{##1}
},
#1/ babelname.value_required:n = true,
#1/ babelname.initial:n = {#1},
% default numerals
#1 / localnumeral
. code:n = {
\prop_gput:Nnn{\polyglossia@langsetup}{#1/localnumeral}{##1}
\prop_gput:Nnn{\polyglossia@langsetup}{#1/Localnumeral}{##1}
},
#1 / localnumeral.value_required:n = true,
#1 / localnumeral.initial:n = {polyglossia@C@localnumeral},
% uppercased
#1 / Localnumeral
. code:n = {
\prop_gput:Nnn{\polyglossia@langsetup}{#1/Localnumeral}{##1}
},
#1 / Localnumeral.value_required:n = true,
#1 / Localnumeral.initial:n = {polyglossia@C@localnumeral},
% environment define command (by default create the environment)
#1 / DefineCommandsCmd
.code:n = {\prop_gput:Nnn{\polyglossia@langsetup}{#1/DefineCommandsCmd}{##1}},
#1 / DefineCommandsCmd
.value_required:n = true,
#1 / DefineCommandsCmd
.initial:n = {xpg_define_language_commands:e}
}
}
% TODO move to C module
\newcommand*{\polyglossia@C@localnumeral}[2]{
\polyglossia@Clang@@arabic{#2}
}
\tl_new:N \l__xpg_localnumeral_tl
\bool_new:N \l__xpg_localnumeral_bool
\keys_define:nn { polyglossia / localnumeral }
{
lang .choice:,
lang / main .code:n = \tl_set:Nn \l__xpg_localnumeral_tl { \mainlanguagename } ,
lang / local .code:n = \tl_set:Nn \l__xpg_localnumeral_tl { \languagename }
\bool_set_true:N \l__xpg_localnumeral_bool ,
lang / unknown .code:n = \tl_set:Nn \l__xpg_localnumeral_tl { #1 } ,
}
\cs_new:Npn \__xpg_localnumeral:nnn #1 #2 #3
{
\group_begin:
\keys_set:ne { polyglossia / localnumeral } { #2 }
\bool_if:NF \l__xpg_localnumeral_bool { \foreignlanguage { \l__xpg_localnumeral_tl } }
{ \use:c { \prop_item:Ne \polyglossia@langsetup
{ \l__xpg_localnumeral_tl / #3 } } { } { #1 } }
\group_end:
}
\NewDocumentCommand \localnumeral { s ={ lang } O{ local } m }
{
\IfBooleanTF { #1 }
{
\exp_args:Nc \__xpg_localnumeral:nnn { c@#3 } { #2 } { localnumeral }
}
{
\__xpg_localnumeral:nnn { #3 } { #2 } { localnumeral }
}
}
\NewDocumentCommand \Localnumeral { s ={ lang } O{ local } m }
{
\IfBooleanTF { #1 }
{
\exp_args:Nc \__xpg_localnumeral:nnn { c@#3 } { #2 } { Localnumeral }
}
{
\__xpg_localnumeral:nnn { #3 } { #2 } { Localnumeral }
}
}
\cs_new_nopar:Npn \xpg__french_spacing:n #1
{
\bool_if:cTF { g__xpg_#1_fs_bool }
{ \frenchspacing } { \nonfrenchspacing }
}
\cs_new_nopar:Npn \xpg__indent_first:n #1
{
\bool_if:cTF { g__xpg_#1_if_bool }
{ \french@indent } { \nofrench@indent }
}
\cs_new:Nn{\polyglossia@lang@setpardirection:n}{
\prop_get:NeNTF \polyglossia@langsetup {#1/direction} \l_tmpa_tl
{
\polyglossia@setpardirection:n{\l_tmpa_tl}
}
{
\xpg@error{Could~ not~ retrieve~ key~ direction~ for~ language~ "#1"}
\prop_show:N{\polyglossia@langsetup}
}
}
\cs_new:Nn{\polyglossia@lang@settextdirection:nn}{
\prop_get:NeNTF \polyglossia@langsetup {#1/direction} \l_tmpa_tl
{
\polyglossia@settextdirection:n{\l_tmpa_tl}{#2}
}
{
\xpg@error{Could~ not~ retrieve~ key~ direction~ for~ language~ "#1"}
\prop_show:N{\polyglossia@langsetup}
}
}
\def\xpg@lastlanguage{0}
\providebool{xpg@hyphenation@disabled}
\boolfalse{xpg@hyphenation@disabled}
\def\xpg@disablehyphenation{
\ifx\@onlypreamble\@notprerr
\xpg@@disablehyphenation
\else
% if this is used in the preamble, we have to postpone
% the execution until the main language has been set (#125).
\cs_gset_nopar:Nn \polyglossia@AtBeginDocument@hyphenation: {
\xpg@@disablehyphenation
}
\fi
}
\def\xpg@@disablehyphenation{
\ifbool{xpg@hyphenation@disabled}{}{
\booltrue{xpg@hyphenation@disabled}
\xdef\xpg@lastlanguage{\the\language}
% We do not call \xpg@set@hyphenation@patterns here to avoid a warning message.
% "nohyphenation" is not listed in language.dat.lua.
\language=\l@nohyphenation
}
}
\def\xpg@enablehyphenation{
\ifbool{xpg@hyphenation@disabled}{
\boolfalse{xpg@hyphenation@disabled}
\language=\csname xpg@lastlanguage\endcsname
}{}%
}
\let\disablehyphenation\xpg@disablehyphenation
\let\enablehyphenation\xpg@enablehyphenation
%\def\xpg@fontsetup#1{\xpg@csifdef@warn{xpg@fontsetup@#1}}
%\def\xpg@fontsetup@none#1{\csgdef{#1@font}{\ifcsdef{#1font}{\csname #1font\endcsname}{}}} %<-- simplistic
%\def\xpg@fontsetup@custom#1{\csuse{#1@font}}
\cs_new:Npn \xpg__auto_setupfont:n #1 {
\bool_if:cTF { g__xpg_#1_fontsetup_bool }
{
\str_if_eq:eeTF{\prop_item:Nn{\polyglossia@langsetup}{#1/lcscript}}{latin}
{\xpg@fontsetup@latin{#1}}
{\xpg@fontsetup@nonlatin{#1}}
}
{
\xpg@info{Skipping~ automatic~ font~ setup~ for~ language~ #1}
}
}
% add fontfeature Language=#2 to langtag #1
% do nothing if #1 or #2 is empty
\cs_new:Nn \polyglossia@addfontfeature@language:nn {
\bool_if:nTF{\tl_if_empty_p:n{#1} || \tl_if_empty_p:n{#2}}
{
% maybe an error ?
\xpg@warning{Asking~ to~ add~ empty~ feature~to~ latin~ font~
(Language="#2"~ to~ langtag~ "#1")}
}
{
\str_if_eq:nnTF{#2}{Turkish}{
\fontspec_if_language:nTF {TRK}
{
\addfontfeature{Language=Turkish}
}
{
\fontspec_if_language:nTF {TUR}
{
\addfontfeature{Language=Turkish}
}{}
}
}{
\fontspec_if_language:nTF{#1}
{
\addfontfeature{Language=#2}
}
{}
}
}
}
\cs_generate_variant:Nn \polyglossia@addfontfeature@language:nn { on , no, oo , Vn, nV, VV , xn, nx, xx}
% add fontfeature Script=#2 to scripttag #1
% do nothing if #1 or #2 is empty
\cs_new:Nn \polyglossia@addfontfeature@script:nnn {
\bool_if:nTF{\tl_if_empty_p:n{#2} || \tl_if_empty_p:n{#3}}
{
% maybe an error ?
\xpg@warning{Asking~ to~ add~ empty~ feature~to~ latin~ font
(Script="#3"~ to~ scripttag~ "#2")}
}
{
\fontspec_if_script:nTF{#2}
{\addfontfeature{Script=#3}}
{
\tl_set:Nn \l_ffamily_tl {}
\tl_set:Nn \l_ffamilysh_tl { #1 }
\str_if_eq:nnT { #1 } { rm }
{
\tl_set:Nn \l_ffamily_tl { roman }
\tl_set:Nn \l_ffamilysh_tl {}
}
\str_if_eq:nnT { #1 } { sf }
{
\tl_set:Nn \l_ffamily_tl { sans~ serif }
}
\str_if_eq:nnT { #1 } { tt }
{
\tl_set:Nn \l_ffamily_tl { monospace }
}
\xpg@error{
The~ current~ latin ~ \l_ffamily_tl\space font~ does~ not~ contain~ the~"#3"~ script!\MessageBreak
Please~ define~\csname\tl_if_empty:nF{#3}{\str_lowercase:n#3}font\l_ffamilysh_tl\endcsname~
with~ \string\newfontfamily\space command
}
}
}
}
\cs_generate_variant:Nn \polyglossia@addfontfeature@script:nnn { non , nno, noo , nVn, nnV, nVV , nxn, nnx, nxx}
\def\xpg@fontsetup@latin#1{
\begingroup
\csgdef{#1@font@rm}{
\cs_if_exist_use:cF{#1font}{
\rmfamilylatin
\polyglossia@addfontfeature@language:xx{\prop_item:Nn{\polyglossia@langsetup}{#1/langtag}}
{\prop_item:Nn{\polyglossia@langsetup}{#1/language}}
}
}
\csgdef{#1@font@sf}{
\cs_if_exist_use:cF{#1fontsf}{
\sffamilylatin
\polyglossia@addfontfeature@language:xx{\prop_item:Nn{\polyglossia@langsetup}{#1/langtag}}
{\prop_item:Nn{\polyglossia@langsetup}{#1/language}}
}
}
\csgdef{#1@font@tt}{
\cs_if_exist_use:cF{#1fonttt}{
\ttfamilylatin
\polyglossia@addfontfeature@language:xx{\prop_item:Nn{\polyglossia@langsetup}{#1/langtag}}
{\prop_item:Nn{\polyglossia@langsetup}{#1/language}}
}
}
\endgroup
}
\def\xpg@fontsetup@nonlatin#1{
\begingroup
\csgdef{#1@font@rm}{
\cs_if_exist_use:cF{#1font}
{
\providetoggle{#1@use@script@font}
\str_if_eq:nnTF{\prop_item:Nn{\polyglossia@langsetup}{#1/script}}{\prop_item:Nn{\polyglossia@langsetup}{#1/language}}
{\rmfamilylatin}
{\cs_if_exist_use:cTF{\prop_item:Nn{\polyglossia@langsetup}{#1/lcscript} font}
{
\toggletrue{#1@use@script@font}
}
{
\rmfamilylatin
}
}
\iftoggle{#1@use@script@font}{}{
\polyglossia@addfontfeature@script:nxx{rm}
{\prop_item:Nn{\polyglossia@langsetup}{#1/scripttag}}
{\prop_item:Nn{\polyglossia@langsetup}{#1/script}}
}%
\polyglossia@addfontfeature@language:xx{\prop_item:Nn{\polyglossia@langsetup}{#1/langtag}}
{\prop_item:Nn{\polyglossia@langsetup}{#1/language}}
}%
\def\familytype{rm}
}%
\csgdef{#1@font@sf}{
\cs_if_exist_use:cF{#1fontsf}
{
\providetoggle{#1@use@script@fontsf}
\str_if_eq:nnTF{\prop_item:Nn{\polyglossia@langsetup}{#1/script}}{\prop_item:Nn{\polyglossia@langsetup}{#1/language}}
{\sffamilylatin}
{\cs_if_exist_use:cTF{\prop_item:Nn{\polyglossia@langsetup}{#1/lcscript} fontsf}
{
\toggletrue{#1@use@script@fontsf}
}
{
\sffamilylatin
}
}
\iftoggle{#1@use@script@fontsf}{}{
\polyglossia@addfontfeature@script:nxx{sf}
{\prop_item:Nn{\polyglossia@langsetup}{#1/scripttag}}
{\prop_item:Nn{\polyglossia@langsetup}{#1/script}}
}%
\polyglossia@addfontfeature@language:xx{\prop_item:Nn{\polyglossia@langsetup}{#1/langtag}}
{\prop_item:Nn{\polyglossia@langsetup}{#1/language}}
}%
\def\familytype{sf}
}%
\csgdef{#1@font@tt}{
\cs_if_exist_use:cF{#1fonttt}
{
\providetoggle{#1@use@script@fonttt}
\str_if_eq:nnTF{\prop_item:Nn{\polyglossia@langsetup}{#1/script}}{\prop_item:Nn{\polyglossia@langsetup}{#1/language}}
{\ttfamilylatin}
{\cs_if_exist_use:cTF{\prop_item:Nn{\polyglossia@langsetup}{#1/lcscript} fonttt}
{
\toggletrue{#1@use@script@fonttt}
}
{
\ttfamilylatin
}
}
\iftoggle{#1@use@script@fonttt}{}{
\polyglossia@addfontfeature@script:nxx{tt}
{\prop_item:Nn{\polyglossia@langsetup}{#1/scripttag}}
{\prop_item:Nn{\polyglossia@langsetup}{#1/script}}
}
\polyglossia@addfontfeature@language:xx{\prop_item:Nn{\polyglossia@langsetup}{#1/langtag}}
{\prop_item:Nn{\polyglossia@langsetup}{#1/language}}
}
\def\familytype{tt}
}
\endgroup
}
%%% END OF PolyglossiaSetup
%% ensure localization of \markright and \markboth commands
%%% THIS IS NOW DISABLED BY DEFAULT
\cs_new_nopar:Nn \polyglossia@local@marks:n { }
\cs_new_nopar:Nn \polyglossia@enable@local@marks:
{
\xpg@info{Option:~ localmarks}
\cs_gset_nopar:Nn \polyglossia@local@marks:n
{
\def\xpg@tmp@lang{##1}
\DeclareRobustCommand\markboth[2]{
\begingroup
\let\label\relax \let\index\relax \let\glossary\relax
\unrestored@protected@xdef\@themark
{
{\lowercase{\foreignlanguage{\xpg@tmp@lang}}{\protect\@@ensure@maindir{####1}}}
{\lowercase{\foreignlanguage{\xpg@tmp@lang}}{\protect\@@ensure@maindir{####2}}}
}
\@temptokena \expandafter{\@themark}
\mark{\the\@temptokena}
\endgroup
\if@nobreak\ifvmode\nobreak\fi\fi
}
\DeclareRobustCommand\markright[1]{
\begingroup
\let\label\relax \let\index\relax \let\glossary\relax
\expandafter\@markright\@themark
{\lowercase{\foreignlanguage{\xpg@tmp@lang}}{\protect\@@ensure@maindir{####1}}}
\@temptokena \expandafter{\@themark}
\mark{\the\@temptokena}
\endgroup
\if@nobreak\ifvmode\nobreak\fi\fi
}
}
}
%we call this macro when a gloss file is not found for a given language
\def\xpg@nogloss#1{
\xpg@warning{File~ gloss-#1.ldf~ do~ not~ exists!\MessageBreak
I~ will~ nevertheless~ try~ to~ use~ hyphenation~ patterns~ for~ #1.}
\PolyglossiaSetup{#1}{hyphenmins={2,3},hyphennames={#1},fontsetup=true}
% the above amounts to:
%\ifcsundef{l@#1}%
% {\expandafter\adddialect\csname l@#1\endcsname\l@nohyphenation\relax}%
% {\setlocalhyphenmins{#1}{2}{3}}%
%\csdef{#1@language}{\language=\csname l@#1\endcsname}%
}
\newcommand{\xpg@input}[1]{
% Store catcode of @ before making at letter
\chardef\xpg@saved@at@catcode\catcode`\@
\makeatletter
\input{#1}
% restore former @ catcode
\catcode`\@=\xpg@saved@at@catcode
}
% try to load a language file
\cs_new:Nn \polyglossia_load_lang_definition:nn {
\file_if_exist:nTF{gloss-#2.ldf}
{
% Temporarily force catcode of ~ to 13 since babelsh.def
% requires it. This is needed particularly with LaTeX3
% packages which force \ExplSyntaxOn (#425)
\protected\edef\xpg@restore@tilde@catcode{\catcode 126 = \the\catcode 126\relax}
\catcode 126 = 13
\xpg@input{gloss-#2.ldf}
\setkeys{#2}{#1}
% restore former ~ catcode
\xpg@restore@tilde@catcode
}
{
\xpg@nogloss{#2}
}
}
\cs_generate_variant:Nn \polyglossia_load_lang_definition:nn { ee }
% load a master language from an alias file
\newcommand*\xpg@load@master@language[1] {
\xpg@input{gloss-#1.ldf}
\seq_if_in:NeF \__xpg_langs_loaded {#1}
{
% define environment and command if not alias
\str_if_eq:eeT {\prop_item:Ne \__xpg_alias {#1/target}} {#1} {
\use:c{\prop_item:Nn{\polyglossia@langsetup}
{#1/DefineCommandsCmd}}
{#1}
}
}
\polyglossia@register@language:nn{}{#1}
\seq_gput_right:Nn \__xpg_langs_loaded {#1}
}
\prop_new:N \__xpg_alias
% define environment and command if not alias
\cs_new:Nn \xpg_define_language_commands:n {
\str_if_eq:eeT {\prop_item:Ne \__xpg_alias {#1/target}} {#1}
{
\exp_args:Ne
\NewDocumentEnvironment {\prop_item:Nn{\polyglossia@langsetup}{#1/envname}} { O{} }
{
\otherlanguage [ ##1 ] { #1 }
}
{
\endotherlanguage
}
\exp_args:Nc \NewDocumentCommand {text#1} { O{} m }
{
\__xpg_textlanguage:een{##1}{#1}{##2}