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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /macros/generic/listofitems/listofitems.tex
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+% !TeX encoding = ISO-8859-1
+% Ce fichier contient le code de l'extension "listofitems"
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+\def\loiname {listofitems} %
+\def\loiver {1.63} %
+% %
+\def\loidate {2019/08/21} %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% Author : Christian Tellechea, Steven B. Segletes (contributor) %
+% Status : Maintained %
+% Maintainer : Christian Tellechea %
+% Email : unbonpetit@netc.fr %
+% steven.b.segletes.civ@mail.mil %
+% Package URL: https://www.ctan.org/pkg/listofitems %
+% Bug tracker: https://framagit.org/unbonpetit/listofitems/issues %
+% Repository : https://framagit.org/unbonpetit/listofitems/tree/master
+% Copyright : Christian Tellechea 2016-2019 %
+% Licence : Released under the LaTeX Project Public License v1.3c %
+% or later, see http://www.latex-project.org/lppl.txt %
+% Files : 1) listofitems.tex %
+% 2) listofitems.sty %
+% 3) listofitems-fr.tex %
+% 4) listofitems-fr.pdf %
+% 5) listofitems-en.tex %
+% 6) listofitems-en.pdf %
+% 7) README %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\expandafter\edef\csname loi_restorecatcode\endcsname{\catcode\number`\_=\number\catcode`\_\relax}
+\catcode`\_11
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%% gestion des erreurs + annonce package %%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\unless\ifdefined\loi_fromsty
+ \immediate\write -1 {Package: \loidate\space v\loiver\space Grab items in lists using user-specified sep char (CT)}%
+\fi
+
+\ifdefined\PackageError
+ \def\loi_error#1{\PackageError\loiname{#1}{Read the \loiname\space manual}}% pour LaTeX
+\else
+ \def\loi_error#1{\errmessage{Package \loiname\space Error: #1^^J}}% pour TeX
+\fi
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%% vérification des prérequis %%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\def\loi_checkprimitive#1#2#3{% Vérifie que #1 est une primitive et sinon, émet le message #2 et exécute #3
+ \begingroup
+ \edef\__tempa{\meaning#1}\edef\__tempb{\string#1}\expandafter
+ \endgroup
+ \ifx\__tempa\__tempb\else
+ \loi_error{#2}%
+ \def\loi_temp{#3}%
+ \loi_restorecatcode\expandafter\loi_temp
+ \fi
+}
+\loi_checkprimitive\eTeXversion
+ {You are not using an eTeX engine, listofitems cannot work.}
+ {\endinput}%
+\loi_checkprimitive\expanded
+ {the \string\expanded\space primitive is not provided by your TeX engine, listofitems v\loiver\space cannot work: loading listofitems v1.61}
+ {\input listofitemsold.tex\relax\endinput}%
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%% macros auxiliaires %%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\def\loi_quark{\loi_quark}
+\long\def\loi_identity#1{#1}
+\long\def\loi_gobarg#1{}
+\long\def\loi_first#1#2{#1}
+\long\def\loi_second#1#2{#2}
+\long\def\loi_firsttonil#1#2\_nil{#1}
+\long\def\loi_antefi#1#2\fi{#2\fi#1}
+\long\def\loi_exparg#1#2{\expandafter\loi_exparg_a\expandafter{#2}{#1}}% \loi_exparg{<a>}{<b>} devient <a>{<*b>}
+\long\def\loi_exparg_a#1#2{#2{#1}}
+\long\def\loi_expafter#1#2{\expandafter\loi_expafter_a\expandafter{#2}{#1}}% \loi_expafter{<a>}{<b>} devient <a><*b>
+\long\def\loi_expafter_a#1#2{#2#1}
+\def\loi_macroname{\loi_ifinrange\escapechar[[0:255]]{\expandafter\loi_gobarg}{}\string}
+\def\loi_argcsname#1#{\loi_argcsname_a{#1}}
+\def\loi_argcsname_a#1#2{\loi_expafter{#1}{\csname#2\endcsname}}
+\long\def\loi_addtomacro#1#2{\loi_exparg{\def#1}{#1#2}}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%% macros de test %%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\long\def\loi_ifnum#1{\ifnum#1\expandafter\loi_first\else\expandafter\loi_second\fi}
+\long\def\loi_ifx#1{\ifx#1\expandafter\loi_first\else\expandafter\loi_second\fi}
+\long\def\loi_ifempty#1{\loi_exparg\loi_ifx{\expandafter\relax\detokenize{#1}\relax}}
+\def\loi_ifstar#1#2{\def\loi_ifstar_a{\loi_ifx{*\loi_nxttok}{\loi_first{#1}}{#2}}\futurelet\loi_nxttok\loi_ifstar_a}
+\edef\loi_escapechar{\expandafter\loi_gobarg\string\\}
+\long\def\loi_ifcsexpandable#1{% #1 est-il constitué d'une seule sc _développable_ ?
+ \loi_ifempty{#1}
+ {\loi_second
+ }
+ {\loi_ifspacefirst{#1}
+ {\loi_second% si espace en 1er, faux
+ }
+ {\csname loi_\if\loi_escapechar\expandafter\loi_firsttonil\detokenize{#1}\_nil first\else second\fi\endcsname
+ {\loi_exparg\loi_ifempty{\loi_gobarg#1}% 1 seul arg commençant par "\" ?
+ {\def\loi_tempa{#1}\loi_exparg{\def\loi_tempb}{#1}% est-il développable ?
+ \expandafter\unless\loi_ifx{\loi_tempa\loi_tempb}%
+ }
+ {\loi_second
+ }%
+ }
+ {\loi_second
+ }%
+ }%
+ }%
+}
+\def\loi_ifinrange#1[[#2:#3]]{\expandafter\unless\loi_ifnum{\numexpr(#1-#2)*(#1-#3)>0 }}
+\def\loi_ifstring#1#2{% si la chaine #1 est contenue dans #2
+ \def\loi_ifstring_a##1#1##2\_nil{\loi_ifempty{##2}\loi_second\loi_first}%
+ \loi_ifstring_a#2#1\_nil% appel de la macro auxiliaire
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%% macro \loi_foreach %%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\newcount\loi_cnt_foreach_nest \loi_cnt_foreach_nest=0
+\def\end_foreach{\end_foreach}
+\def\loi_def_foreachsep#1{%
+ \long\def\loi_foreach##1\in##2##3{%
+ \global\advance\loi_cnt_foreach_nest1
+ \loi_argcsname\def{loop_code_\number\loi_cnt_foreach_nest}{##3}%
+ \loi_foreach_a##1##2#1\end_foreach#1%
+ \loi_argcsname\let{loop_code_\number\loi_cnt_foreach_nest}\empty
+ \global\advance\loi_cnt_foreach_nest-1
+ }%
+ \long\def\loi_foreach_a##1##2#1{%
+ \def##1{##2}%
+ \loi_ifx{\end_foreach##1}
+ {}
+ {\csname loop_code_\number\loi_cnt_foreach_nest\endcsname% exécute le code
+ \loi_foreach_a##1%
+ }%
+ }%
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%% macros gérant l'appariement %%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\long\def\defpair#1{%
+ \let\loi_listofpair\empty
+ \loi_ifempty{#1}
+ {}
+ {\defpair_a{}#1\loi_quark\loi_quark}%
+}
+\long\def\defpair_a#1#2#3{%
+ \loi_ifx{\loi_quark#2}
+ {\def\loi_sanitizelist##1,\_nil{\def\loi_listofpair{##1}}%
+ \loi_sanitizelist#1\_nil
+ }
+ {\loi_if_validpair#2#3%
+ {\long\def\loi_paired_a{#2}\long\def\loi_paired_b{#3}%
+ \loi_ifx{\loi_paired_a\loi_paired_b}
+ {\loi_error{Paired tokens must not be equal, the pair \detokenize{#2#3} is ignored}%
+ \defpair_a{#1}%
+ }
+ {\defpair_a{#1#2#3,}%
+ }%
+ }
+ {\loi_error{Invalid paired tokens, the pair "\detokenize{#2}" and "\detokenize{#3}" is ignored}%
+ \defpair_a{#1}%
+ }%
+ }%
+}
+\long\def\loi_if_validpair#1#2{%
+ \def\loi_validpair{1}%
+ \loi_if_invalid_pairtoken{#1}{\def\loi_validpair{0}}%
+ \loi_if_invalid_pairtoken{#2}{\def\loi_validpair{0}}%
+ \loi_ifnum{\loi_validpair=1 }
+}
+\long\def\loi_if_invalid_pairtoken#1{%
+ \loi_ifempty{#1}
+ {\loi_identity
+ }
+ {\loi_ifspacefirst{#1}
+ {\loi_identity
+ }
+ {\loi_exparg\loi_ifempty{\loi_gobarg#1}% 1 seul token ?
+ {\ifcat\relax\noexpand#1\expandafter\loi_identity\else\expandafter\loi_gobarg\fi}
+ {\loi_identity}% si plusieurs tokens, faux
+ }%
+ }%
+}
+\long\def\loi_count_occur#1\in#2:#3{% compte le nombre d'occurrences de #1 dans #2 et met le résultat dans la macro #3
+ \long\def\loi_count_occur_a##1##2#1##3\_nil{%
+ \loi_ifempty{##3}
+ {\def#3{##1}}
+ {\expandafter\loi_count_occur_a\number\numexpr##1+1\relax##3\_nil}%
+ }%
+ \loi_count_occur_a0#2#1\_nil
+}
+\long\def\loi_check_pair#1#2\in#3{% teste l'appariement de #1 et #2 dans #3
+ \loi_ifempty{#3}
+ {\loi_second
+ }
+ {\loi_count_occur#1\in#3:\loi_tempa
+ \loi_count_occur#2\in#3:\loi_tempb
+ \loi_ifnum{\loi_tempa=\loi_tempb\relax}%
+ }%
+}
+\long\def\loi_grabpaired_expr#1#2#3#4#5{% #1=liste de paires #2=expression #3=séparateur #4=résultat #5=ce qui reste
+ \let#4\empty
+ \def\loi_remain{#2#3}%
+ \loi_foreach\loi_pair\in{#1}{\expandafter\loi_grabpaired_expr_a\loi_pair{#3}#4}%
+ \def\loi_remove_lastsep##1#3\_nil{\def#4{##1}}%
+ \expandafter\loi_remove_lastsep#4\_nil
+ \loi_expafter{\long\def\loi_grab_remain}#4##1\_nil{%
+ \loi_ifempty{##1}
+ {\let#5\empty}
+ {\loi_exparg{\def#5}{\loi_gobarg##1}}%
+ }%
+ \loi_grab_remain#2\_nil
+}
+\long\def\loi_grabpaired_expr_a#1#2#3#4{% #1#2=paire en cours #3=séparateur #4=résultat
+ \loi_exparg{\loi_check_pair#1#2\in}#4% si les paires sont appariées dans le résultat
+ {}% passer à la paire suivante
+ {\long\def\loi_grabpaired_expr_b##1#3##2\_nil{%
+ \loi_addtomacro#4{##1#3}% ajouter au résultat ce qui est jusqu'au prochain séparateur
+ \def\loi_remain{##2}%
+ \loi_exparg{\loi_check_pair#1#2\in}{#4}
+ {}
+ {\loi_ifempty{##2}
+ {\loi_error{"\detokenize{#1}" and "\detokenize{#2}" are not paired}}
+ {\loi_grabpaired_expr_b##2\_nil}%
+ }%
+ }%
+ \expandafter\loi_grabpaired_expr_b\loi_remain\_nil
+ }%
+}
+\def\insidepair#1#2#3#4{% #1#2=paire #3=expr #4=macro reçevant le resultat
+ \loi_if_validpair#1#2%
+ {\loi_ifcsexpandable{#3}
+ {\loi_exparg{\insidepair#1#2}{#3}#4%
+ }
+ {\loi_check_pair#1#2\in{#3}% si les paires sont appariées dans le résultat
+ {\def\insidepair_a##1#1##2\_nil{\insidepair_b##2\_nil{#1}}%
+ \def\insidepair_b##1#2##2\_nil##3{%
+ \loi_check_pair#1#2\in{##3##1#2}
+ {\loi_exparg{\def#4}{\loi_gobarg##3##1}%
+ \def\loi_remainafterparen{##2}%
+ }%
+ {\insidepair_b##2\_nil{##3##1#2}%
+ }%
+ }%
+ \insidepair_a#3\_nil
+ }
+ {\loi_error{"\detokenize{#1}" and "\detokenize{#2}" are not paired in "#3"}%
+ }%
+ }%
+ }
+ {\loi_error{Invalid paired tokens "\detokenize{#1}" and "\detokenize{#2}", empty \string#4 returned}% et bim
+ \let#4\empty% voilà, bien fait pour vos gueules
+ }%
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%% macro \loi_fornum %%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\def\loi_fornum#1=#2to#3\do{%
+ \edef#1{\number\numexpr#2}%
+ \expandafter\loi_fornum_a
+ \csname loi_fornum_\string#1\expandafter\endcsname\expandafter
+ {\number\numexpr#3\expandafter}%
+ \expanded{\ifnum#1<\numexpr#3\relax>+\else<-\fi}%
+ #1%
+}
+\long\def\loi_fornum_a#1#2#3#4#5#6{%
+ \def#1{%
+ \unless\ifnum#5#3#2\relax
+ \loi_antefi{#6\edef#5{\number\numexpr#5#41\relax}#1}%
+ \fi}%
+ #1%
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%% macro retirant les espaces extrêmes %%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\long\def\loi_ifspacefirst#1{\expandafter\loi_ifspacefirst_a\detokenize{#10} \_nil}
+\long\def\loi_ifspacefirst_a#1 #2\_nil{\loi_ifempty{#1}}
+\loi_expafter{\def\loi_gobspace}\space{}
+\long\def\loi_removefirstspaces#1{\loi_ifspacefirst{#1}{\loi_exparg\loi_removefirstspaces{\loi_gobspace#1}}{\unexpanded{#1}}}%##BUGFIX v1.63
+\begingroup
+ \catcode0 12
+ \long\gdef\loi_removelastspaces#1{\loi_removelastspaces_a#1^^00 ^^00\_nil}
+ \long\gdef\loi_removelastspaces_a#1 ^^00{\loi_removelastspaces_b#1^^00}
+ \long\gdef\loi_removelastspaces_b#1^^00#2\_nil{\loi_ifspacefirst{#2}{\loi_removelastspaces_a#1^^00 ^^00\_nil}{\unexpanded{#1}}}
+\endgroup
+\long\def\loi_removeextremespaces#1{\expanded{\loi_exparg\loi_removelastspaces{\expanded{\loi_removefirstspaces{#1}}}}}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%% macro publique \setsepchar %%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\def\setsepchar{\futurelet\loi_nxttok\setsepchar_a}
+\def\setsepchar_a{\loi_ifx{[\loi_nxttok}\setsepchar_b{\setsepchar_b[/]}}
+\long\def\setsepchar_b[#1]#2{% #1=sepcar de <liste des sepcar> #2=<liste des sepcar>
+ \loi_ifempty{#1}
+ {\loi_error{Empty separator not allowed, separator "/" used}%
+ \setsepchar_b[/]{#2}%
+ }
+ {\def\loi_currentsep{#1}%
+ \_removeextremespacesfalse
+ \loi_nestcnt1 % réinitaliser niveau initial à 1
+ \def\nestdepth{1}%
+ \loi_argcsname\let{loi_previndex[\number\loi_nestcnt]}\empty
+ \def\loi_listname{loi_listofsep}%
+ \let\loi_def\def \let\loi_edef\edef \let\loi_let\let
+ \let\loi_listofpair_saved\loi_list_ofpair
+ \let\loi_list_ofpair\empty
+ \loi_ifempty{#2}
+ {\loi_error{Empty list of separators not allowed, "," used}%
+ \readlist_g1{,}%
+ }
+ {\readlist_g1{#2}%
+ }%
+ \loi_argcsname\let\nestdepth{loi_listofseplen[0]}%
+ \loi_argcsname\let\loi_currentsep{loi_listofsep[1]}% 1er car de séparation
+ \let\loi_listofpair\loi_listofpair_saved
+ }%
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%% macro normalisant l'index %%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\def\loi_normalizeindex#1#2{% #1=macroname #2=liste d'index --> renvoie {err}{indx norm}
+ \loi_ifempty{#2}
+ {{}{}}
+ {\loi_exparg{\loi_normalizeindex_a1{}}{\number\csname#1nest\endcsname}{#1}#2,\loi_quark,}%
+}%
+\def\loi_normalizeindex_a#1#2#3#4#5,{% #1=compteur de profondeur #2=index précédents #3=profondeur max #4=macroname #5=index courant
+ \loi_ifx{\loi_quark#5}
+ {\loi_normalizeindex_c#2\loi_quark% supprimer la dernière virgule
+ }
+ {\loi_ifnum{#1>#3 }
+ {\loi_invalidindex{Too deeply nested index, index [.] retained}{#2}% si profondeur trop grande
+ }
+ {\loi_ifinrange\ifnum\numexpr#5<0 -1*\fi(#5)[[1:\csname #4len[#20]\endcsname]]% si abs(#5) hors de [1,len]
+ {\loi_exparg\loi_normalizeindex_b{\number\numexpr#5\ifnum\numexpr#5<0 +\csname #4len[#20]\endcsname+1\fi}{#1}{#2}{#3}{#4}}
+ {\loi_invalidindex{#5 is an invalid index, index [.] retained}{#2}}%
+ }%
+ }%
+}
+\def\loi_normalizeindex_b#1#2#3{\loi_exparg\loi_normalizeindex_a{\number\numexpr#2+1}{#3#1,}}% #1=index à rajouter #2=compteur de profondeur #3=index précédents
+\def\loi_normalizeindex_c#1,\loi_quark{{}{#1}}
+\def\loi_invalidindex#1#2{\loi_ifempty{#2}{\loi_invalidindex_a{#1},}\loi_invalidindex_a{#1}{#2}}
+\def\loi_invalidindex_a#1#2{\loi_invalidindex_b#1\loi_quark#2\loi_quark}
+\def\loi_invalidindex_b#1[.]#2\loi_quark#3,\loi_quark#4\loi_quark,{{#1[#3]#2}{#3}}% #4= index ignorés
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%% macro publique \readlist %%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\newcount\loi_nestcnt
+\def\greadlist{\let\loi_def\gdef\let\loi_edef\xdef\def\loi_let{\global\let}\readlist_a}%
+\def\readlist{\let\loi_def\def\let\loi_edef\edef\let\loi_let\let\readlist_a}
+\def\readlist_a{%
+ \loi_nestcnt1 % niveau initial = 1
+ \loi_argcsname\let{loi_previndex[\number\loi_nestcnt]}\empty
+ \loi_ifstar{\_removeextremespacestrue\readlist_b}{\_removeextremespacesfalse\readlist_b}%
+}
+\long\def\readlist_b#1#2{% #1=macro stockant les éléments #2=liste des éléments
+ \loi_ifcsexpandable{#2}
+ {\loi_exparg{\readlist_b#1}{#2}%
+ }
+ {\loi_edef\loi_listname{\loi_macroname#1}%
+ \loi_exparg{\readlist_c#1{#2}}{\loi_listname}%%
+ }%
+}
+\long\def\readlist_c#1#2#3{% #1=macro stockant les éléments #2=liste des éléments #3=macroname
+ \loi_argcsname\loi_let{#3nest}\nestdepth
+ \loi_argcsname\loi_def{#3[]}{#2}% la liste entière
+ \loi_argcsname\loi_def{#3sep[]}{}% séparateur vide
+ \loi_ifempty{#2}
+ {\loi_def#1[##1]{}%
+ \loi_argcsname\loi_def{#3len}{0}\loi_argcsname\loi_def{#3len[0]}{0}%
+ \loi_error{Empty list ignored, nothing to do}%
+ }
+ {\loi_def#1[##1]{\expanded{\expandafter\readlist_d\expanded{\loi_normalizeindex{#3}{##1}}{#3}}}%
+ \loi_argcsname\loi_def{#3sep}[##1]{\expanded{\expandafter\readlist_d\expanded{\loi_normalizeindex{#3}{##1}}{#3sep}}}%
+ \readlist_e{#2}%
+ \loi_argcsname\loi_argcsname\loi_let{#3len}{#3len[0]}% longueur du niveau 0
+ }%
+}
+\def\readlist_d#1#2#3{%
+ \unexpanded\expandafter\expandafter\expandafter{\csname#3[#2]\expandafter\endcsname\expandafter}%
+ \expanded{\loi_ifempty{#1}{}{\unexpanded{\unexpanded{\loi_error{#1}}}}}%
+}
+\def\readlist_e{%
+ \loi_argcsname\loi_let\loi_currentsep{loi_listofsep[\number\loi_nestcnt]}%
+ \expandafter\readlist_f\loi_currentsep||\_nil
+}
+\long\def\readlist_f#1||#2\_nil#3{\readlist_g1{#3#1}}% #1=<sep courant simple> #3=liste -> rajoute un élément vide pour le test \ifempty ci dessous
+\long\def\readlist_g#1#2{% #1=compteur d'index #2=liste d'éléments à examiner terminée par <sep courant simple> >>RIEN laissé après
+ \loi_ifempty{#2}
+ {\loi_argcsname\loi_edef{\loi_listname len[\csname loi_previndex[\number\loi_nestcnt]\endcsname0]}{\number\numexpr#1-1\relax}%
+ \loi_argcsname\loi_let{\loi_listname sep[\csname loi_previndex[\number\loi_nestcnt]\endcsname\number\numexpr#1-1\relax]}\empty% le dernier <sep> est <vide> ##NEW v1.52
+ \advance\loi_nestcnt-1
+ \loi_argcsname\loi_let\loi_currentsep{loi_listofsep[\number\loi_nestcnt]}%
+ }
+ {\loi_expafter{\readlist_h{#2}{}}\loi_currentsep||\loi_quark||#2\_nil{#1}% aller isoler le 1er item
+ }%
+}
+\long\def\readlist_h#1#2#3||{% #1=liste restante #2=<dernier sep utilisé> #3=<sep courant>
+ \loi_ifx{\loi_quark#3}% on a épuisé tous les <séparateurs> ? RESTE à lire <expr+sep1>\_nil{<compteur>}
+ {\loi_ifempty{#2}% si #2 vide, aucun <sep utilisé> n'a été trouvé, il reste à lire "<liste complète>\_nil"
+ {\long\def\readlist_i##1\_nil##2{\loi_exparg{\readlist_j{##2}{}}{\loi_gobarg##1}{#2}}% ##2=compteur d'index
+ }
+ {\loi_ifx{\loi_listofpair\empty}% paires définies ?
+ {\long\def\readlist_i##1#2##2\_nil##3{\loi_exparg{\readlist_j{##3}{##2}}{\loi_gobarg##1}{#2}}%
+ }
+ {\long\def\readlist_i##1\_nil##2{%
+ \loi_exparg{\loi_exparg\loi_grabpaired_expr\loi_listofpair}{\loi_gobarg##1}{#2}\loi_grabpaired_result\loi_grabpaired_remain
+ \loi_exparg{\loi_exparg{\readlist_j{##2}}{\loi_grabpaired_remain}}{\loi_grabpaired_result}{#2}}%{#}
+ }%
+ }%
+ \readlist_i\relax% le \relax meuble l'argument délimité
+ }
+ {\long\def\readlist_i##1#3##2\_nil{%
+ \loi_ifempty{##2}% si <liste restante> ne contient pas le <sep courant>
+ {\readlist_h{#1}{#2}% recommencer avec le même <sep utile>
+ }%
+ {\loi_ifx{\loi_listofpair\empty}% si pas de paires définies
+ {\loi_exparg\readlist_h{\loi_gobarg##1#3}{#3}% raccourcir <liste restante> et <sep courant>:=<sep utile>% ##BUGFIX v1.53
+ }%
+ {\loi_exparg\loi_grabpaired_expr\loi_listofpair{#1#3}{#3}\loi_grabpaired_result\loi_grabpaired_remain
+ \loi_ifx{\loi_grabpaired_remain\empty}% si liste non raccourcie #BUGFIX 1.63
+ {\loi_exparg\readlist_h{\loi_grabpaired_result}{#2}}% garder le précédent <sep>
+ {\loi_exparg\readlist_h{\loi_grabpaired_result}{#3}}%
+ }%
+ }%
+ }%
+ \readlist_i\relax#1#3\_nil% ##BUGFIX v1.53
+ }%
+}
+\long\def\readlist_j#1#2#3{% #1=compteur d'index #2=liste restante #3=élément courant
+ \loi_ifnum{0\loi_exparg\loi_ifspacefirst{\loi_currentsep}{}1\if_removeextremespaces1\fi=11 }% s'il faur retirer les espaces extrêmes
+ {\loi_exparg{\loi_exparg{\readlist_k{#1}{#2}}}{\loi_removeextremespaces{#3}}}% redéfinir l'élément courant
+ {\readlist_k{#1}{#2}{#3}}%
+}
+\long\def\readlist_k#1#2#3#4{% #1=compteur d'index #2=liste restante #3=élément courant #4=sep utilisé
+ \loi_ifnum{0\if_ignoreemptyitems1\fi\loi_ifempty{#3}1{}=11 }
+ {\readlist_g{#1}{#2}% si l'on n'ignore pas les éléments vides
+ }%
+ {\loi_argcsname\loi_def{\loi_listname[\csname loi_previndex[\number\loi_nestcnt]\endcsname#1]}{#3}% assignation
+ \loi_argcsname\loi_def{\loi_listname sep[\csname loi_previndex[\number\loi_nestcnt]\endcsname#1]}{#4}% assignation du <sep> actuel à la macro \<macrolist>sep
+ \loi_ifnum{\loi_nestcnt<\nestdepth\relax}% si imbrication max non atteinte
+ {\advance\loi_nestcnt1
+ \loi_argcsname\edef{loi_previndex[\number\loi_nestcnt]}{\csname loi_previndex[\number\numexpr\loi_nestcnt-1]\endcsname#1,}%
+ \readlist_e{#3}% recommencer avec l'élément courant
+ }
+ {}%
+ \loi_exparg\readlist_g{\number\numexpr#1+1}{#2}% puis chercher l'élément suivant dans la liste restante
+ }%
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%% macro \listlen %%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\def\listlen#1[#2]{%
+ \expanded{%
+ \loi_ifempty{#2}
+ {\csname\loi_macroname#1len[0]\endcsname}
+ {\loi_exparg\listlen_a{\expanded{\loi_macroname#1}}{#2}}%
+ }%
+}
+\def\listlen_a#1#2{% #1=macro name #2=index non normalisé prendre <profondeur max-1>
+ \expandafter\listlen_b\expanded{\loi_normalizeindex{#1}{#2}}{#1}%
+}
+\def\listlen_b#1#2#3{% #1=err #2=index normalisé #3=macroname
+ \csname#3len[#2,0]\expandafter\endcsname
+ \expanded{\loi_ifempty{#1}{}{\unexpanded{\unexpanded{\loi_error{#1}}}}}%
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%% macro \foreachitem %%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\def\foreachitem#1\in#2{%
+ \edef\foreachitem_a{\noexpand\foreachitem_c\noexpand#1{\expandafter\noexpand\csname\loi_macroname#1cnt\endcsname}{\loi_macroname#2}}%
+ \futurelet\loi_nxttok\foreachitem_b
+}
+\def\foreachitem_b{\loi_ifx{\loi_nxttok[}\foreachitem_a{\foreachitem_a[]}}
+\def\foreachitem_c#1#2#3[#4]{% prendre <profondeur max-1>
+ \expandafter\foreachitem_d\expanded{\loi_normalizeindex{#3}{#4}}#1{#2}{#3}%
+}
+\def\foreachitem_d#1#2{\loi_ifempty{#2}{\foreachitem_e{#1}{}}{\foreachitem_e{#1}{#2,}}}% #1=err #2=index norm
+\long\def\foreachitem_e#1#2#3#4#5#6{% #1=err #2=index norm #3=macroiter #4=compteur associé #5=nom de macrolist #6=code
+ \loi_ifnum{\csname#5len[#20]\endcsname>0 }
+ {\loi_ifempty{#1}{}{\loi_error{#1}}%
+ \loi_fornum#4=1to\csname#5len[#20]\endcsname\do{\loi_argcsname\let#3{#5[#2#4]}#6}%
+ }
+ {}%
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%% macro \showitem %%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\def\showitems{\loi_ifstar{\let\showitems_cmd\detokenize\showitems_a}{\let\showitems_cmd\loi_identity\showitems_a}}
+\def\showitems_a#1{\def\showitems_b{\showitems_d#1}\futurelet\loi_nxttok\showitems_c}
+\def\showitems_c{\loi_ifx{\loi_nxttok[}\showitems_b{\showitems_b[]}}
+\def\showitems_d#1[#2]{\foreachitem\showitems_iter\in#1[#2]{\showitemsmacro{\expandafter\showitems_cmd\expandafter{\showitems_iter}}}}
+\unless\ifdefined\fbox
+ \newdimen\fboxrule \newdimen\fboxsep \fboxrule=.4pt \fboxsep=3pt % réglages identiques à LaTeX
+ \def\fbox#1{% imitation de la macro \fbox de LaTeX, voir pages 271 à 274 de "Apprendre à programmer en TeX"
+ \hbox{%
+ \vrule width\fboxrule
+ \vtop{%
+ \vbox{\hrule height\fboxrule \kern\fboxsep \hbox{\kern\fboxsep#1\kern\fboxsep}}%
+ \kern\fboxsep \hrule height\fboxrule
+ }\vrule width\fboxrule
+ }%
+ }
+\fi
+\def\showitemsmacro#1{% encadrement par défaut
+ \begingroup\fboxsep=0.25pt \fboxrule=0.5pt \fbox{\strut#1}\endgroup
+ \hskip0.25em\relax
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%% macro \itemtomacro %%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\def\itemtomacro#1[#2]{% #1[#2]=item non encore lu: #3=macro
+ \edef\loi_listname{\loi_macroname#1}%
+ \expandafter\itemtomacro_a\expanded{\loi_normalizeindex{\loi_listname}{#2}}\let
+}
+\def\gitemtomacro#1[#2]{% #1[#2]=item
+ \xdef\loi_listname{\loi_macroname#1}%
+ \expandafter\itemtomacro_a\expanded{\loi_normalizeindex{\loi_listname}{#2}}{\global\let}%
+}
+\def\itemtomacro_a#1#2#3#4{%
+ \loi_ifempty{#1}{}{\loi_error{#1}}%
+ \loi_argcsname#3#4{\loi_listname[#2]}%
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%% réglages par défaut %%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\newif\if_removeextremespaces
+\newif\if_ignoreemptyitems
+\let\ignoreemptyitems\_ignoreemptyitemstrue
+\let\reademptyitems\_ignoreemptyitemsfalse
+\loi_def_foreachsep{,}
+\loi_restorecatcode
+\reademptyitems
+\setsepchar{,}
+\defpair{}
+\endinput
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%% historique %%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+v1.0 19/8/2016
+ - Première version publique
+----------------------------------------------------------------------
+v1.1 01/09/2016
+ - Stockage des séparateurs dans <macrolist>sep
+ - bug corrigé dans \loi_restorecatcode
+----------------------------------------------------------------------
+v1.2 22/10/2016
+ - macros \greadlist et \gitemtomacro pour la globalité
+----------------------------------------------------------------------
+v1.3 18/11/2016
+ - bugs corrigés dans la gestion de la globalité
+----------------------------------------------------------------------
+v1.4 05/10/2017
+ - test \loi_ifprimitive ajouté au test \loi_ifcs
+ - suppression de \loi_expafternil, création de \loi_expafter,
+ modification de \loi_argcsname
+ - correction d'un bug : \setsepchar{\par} ne provoque plus d'erreur.
+ \loi_ifnum devient \long
+----------------------------------------------------------------------
+v1.5 06/10/2017
+ - correction d'un bug dans \loi_ifcs
+----------------------------------------------------------------------
+v1.51 24/10/2017
+ - correction d'un bug dans \loi_ifcs
+----------------------------------------------------------------------
+v1.52 13/01/2018
+ - le dernier séparateur est <vide>
+----------------------------------------------------------------------
+v1.53 13/03/2018
+ - correction d'un bug dans \readlist_i
+----------------------------------------------------------------------
+v1.6 01/11/2018
+ - possibilité d'appariement de tokens dans les items
+----------------------------------------------------------------------
+v1.61 03/03/2019
+ - la macro \loi_ifcs contient une erreur de conception. Il faut
+ tester si le token est un sc && s'il est développable pour
+ renvoyer vrai car il existe des sc non développables && qui ne
+ sont _pas_ des primitives.
+ Macro rebaptisée \loi_ifcsexpandable
+----------------------------------------------------------------------
+v1.62 18/05/2019
+ - utilisation de la nouvelle primitive \expanded au lieu du
+ désormais obsolète \romannumeral
+ - bug corrigé dans \loi_ifcsexpandable
+----------------------------------------------------------------------
+v1.63 21/08/2019
+ - bug corrigé dans \readlist_h avec les tokens appariés
+ - bug corrigé \loi_removefirstspaces est désormais \long \ No newline at end of file