% __________________________________________________ % | | % | | % | xstring v1.7a | % | | % | 28 f\'evrier 2013 | % | | % |__________________________________________________| % % This is xtring.tex % % "xstring" package consists of the 7 following files: % xstring.tex (this file) % xstring.sty % README % xstring_doc_fr.tex, xstring_doc_fr.pdf (manual in french) % xstring_doc_en.tex, xstring_doc_en.pdf (manual in english) % % Christian Tellechea 2008-2013 % email : unbonpetit@gmail.com % ------------------------------------------------------------------- % 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 Christian Tellechea % ------------------------------------------------------------------- \def\xstringversion {1.7a} \def\xstringdate {2013/2/28} \def\xstringfrenchdate {28 f\'evrier 2013} \def\xstringenglishdate {$28^{\mathrm{th}}$ february 2013} \edef\CurrentAtCatcode {\the\catcode`\@} \catcode`\@=11 \newwrite\@xs@message% canal pour les messages \newcount\integerpart \newcount\decimalpart% compteurs utilis\'es par xstring \expandafter\ifx\csname @latexerr\endcsname\relax% on n'utilise pas LaTeX ? \immediate\write\m@ne{Package: xstring \xstringdate\space\space v\xstringversion\space\space String manipulations (C Tellechea)}% \long\def\@firstoftwo#1#2{#1} \long\def\@secondoftwo#1#2{#2} \long\def\@gobble#1{} \long\def\@ifnextchar#1#2#3{% \let\reserved@d=#1% \def\reserved@a{#2}% \def\reserved@b{#3}% \futurelet\@let@arg\@ifnch} \def\@ifnch{% \ifx\@let@arg\@sptoken \let\reserved@c\@xifnch \else \ifx\@let@arg\reserved@d \let\reserved@c\reserved@a \else \let\reserved@c\reserved@b \fi \fi \reserved@c} \def\:{\let\@sptoken= } \: \def\:{\@xifnch} \expandafter\def\: {\futurelet\@let@arg\@ifnch} \def\@ifstar#1{\@ifnextchar *{\@firstoftwo{#1}}} \long\def\@testopt#1#2{\@ifnextchar[{#1}{#1[{#2}]}} \def\@empty{} \fi% fin des d\'efinitions LaTeX \long\def\@xs@ifempty#1{% \expandafter\ifx\expandafter\relax\detokenize{#1}\relax \expandafter\@firstoftwo \else \expandafter\@secondoftwo \fi } % Ouvre un groupe o\`u les catcodes sont \`a 12 et \`a 10 pour les espaces % ensuite, appelle \@xs@ReadVerb qui lit un argument entre d\'elimiteurs verb \def\@xs@MakeVerb{% lit 1 argument et le transforme en verb \begingroup% groupe o\`u les catcodes sont \`a 12 pour la lecture suivante \def\do##1{\catcode`##112\relax}% \dospecials% on entre dans le mode verb \obeyspaces% et on tient compte des espaces \@xs@ReadVerb% et on va lire l'argument } % D\'efinit \@xs@ReadVerb qui lit un argument entre d\'elimiteurs verb \def\setverbdelim#1{% d\'efinit quel est le d\'elimiteur de verb \expandafter\@xs@ifempty\expandafter{\@gobble#1}% \relax {\begingroup \newlinechar`\^^J% \immediate\write\@xs@message {Package xstring Warning: verb delimiter is not a single token on input line \the\inputlineno^^J}% \endgroup }% \def\@xs@ReadVerb##1#1##2#1{% lit ##2 qui est entre les d\'elimiteurs de verb \endgroup% on ferme le groupe \@xs@afterreadverb{##2}}% on appelle l'ex\'ecution de fin } % Assigne l'argument entre d\'elimiteur verb dans la sc #1' + \def\verbtocs#1{% \def\@xs@afterreadverb##1{\def#1{##1}}% \@xs@MakeVerb } \begingroup \catcode\z@3 \def\@xs@twochars{^^00}% \catcode\z@7 \xdef\@xs@twochars{\@xs@twochars^^00}% \endgroup \edef\@xs@reserved@A{\long\def\noexpand\@xs@AssignResult##1\@xs@twochars} \@xs@reserved@A#2{\endgroup\expandafter\def\expandafter#2\expandafter{\@gobble#1}} \def\tokenize#1#2{% \begingroup \@xs@def\@xs@reserved@A{#2}% on d\'eveloppe en accord avec \fullexpandarg ou \noexpandarg \everyeof\expandafter{\@xs@twochars#1}% met "^^@^^@#1" \`a la fin du fichier virtuel \endlinechar\m@ne \expandafter\@xs@AssignResult\scantokens\expandafter{\expandafter\relax\@xs@reserved@A}% on fait l'assignation }% % Macro tr\`es simple qui assigne ou affiche le r\'esultat, selon la pr\'esence % ou non de #2 qui est l'argument optionnel venant en derni\`ere position des macros \long\def\@xs@ReturnResult#1#2{% \def\@xs@argument@A{#1}% \@xs@ifempty{#2}% \@xs@argument@A {\let#2\@xs@argument@A}% } \def\@xs@ldef{\long\def} \def\@xs@ledef{\long\edef} % Pas d'expansion des arguments \def\normalexpandarg{% \let\@xs@def\@xs@ldef% on d\'efinit \@xs@call avec \def \def\@xs@expand##1{\unexpanded\expandafter{##1}}} \let\noexpandarg\normalexpandarg% synonyme % 1-d\'eveloppement du premier token des arguments \def\expandarg{% \let\@xs@def\@xs@ldef% on d\'efinit \@xs@call avec \def \def\@xs@expand##1{\unexpanded\expandafter\expandafter\expandafter{##1}}% } % D\'eveloppement maximum des arguments \def\fullexpandarg{% \let\@xs@def\@xs@ledef% on d\'efinit\@xs@call avec \edef \def\@xs@expand##1{##1}% et on neutralise \@xs@expand } \def\saveexpandmode{\let\@xs@saved@def\@xs@defarg\let\@xs@saved@expand\@xs@expand} \def\restoreexpandmode{\let\@xs@defarg\@xs@saved@def\let\@xs@expand\@xs@saved@expand} % Macro interne renvoyant #2 si son argument commence par une accolade ouvrante "{" % et #3 sinon (Ulrich Diez sur comp.text.tex) \long\def\@xs@ifbeginwithbrace#1{% \csname @% \expandafter\@gobble\string{% \expandafter\@gobble\expandafter{\expandafter{\string#1}% \expandafter\expandafter\expandafter\expandafter\expandafter\expandafter\expandafter\expandafter\expandafter\expandafter\expandafter\expandafter\expandafter\expandafter\expandafter\@firstoftwo \expandafter\expandafter\expandafter\expandafter\expandafter\expandafter\expandafter\@gobble \expandafter\expandafter\expandafter\@gobble \expandafter\expandafter\expandafter{\expandafter\string\expandafter}\string}% \expandafter\@gobble\string}% \@secondoftwo{first}{second}oftwo% \endcsname } % Cette macro interne prend la 1ere unit\'e syntaxique de #1 et assigne le r\'esultat \`a #2 \long\def\@xs@returnfirstsyntaxunit#1#2{% \def\@xs@groupfound{\expandafter\def\expandafter#2\expandafter{\expandafter{#2}}\@xs@gobbleall}% on met #2 dans des accolades et on finit \long\def\@xs@assignfirsttok##1##2\@xs@nil{\let\@xs@toks0\def#2{##1}}% \def\@xs@testfirsttok{% \let\@xs@next\@xs@assignfirsttok \ifx\@xs@toks\bgroup \expandafter\@xs@ifbeginwithbrace\expandafter{\@xs@argument}{\def\@xs@next{\afterassignment\@xs@groupfound\def#2}}{}% \fi \@xs@next}% \def\@xs@argument{#1}% \edef\@xs@next{\expandafter\@xs@beforespace\detokenize{#1} \@xs@nil}% #1 commence par un espace ? \ifx\@xs@next\@empty \def\@xs@next{\expandafter\ifx\expandafter\@empty\detokenize\expandafter{\@xs@argument}\@empty\let#2\@empty\else\def#2{ }\let\@xs@toks0\fi}% \else \def\@xs@next{\expandafter\futurelet\expandafter\@xs@toks\expandafter\@xs@testfirsttok\@xs@argument\@xs@nil}% \fi \@xs@next } % Cette macro interne enl\`eve la 1ere unit\'e syntaxique de #1 et assigne le r\'esultat \`a #2 \long\def\@xs@testsecondtoken#1\@xs@nil{\@xs@ifbeginwithbrace{#1}} \long\def\@xs@gobblespacebeforebrace#1#{}% supprime tout ce qui est avant la 1ere accolade ouvrante \long\def\@xs@removefirstsyntaxunit#1#2{% \def\@xs@argument{#1}% \expandafter\expandafter\expandafter\ifx\expandafter\expandafter\expandafter\@empty\expandafter\@xs@beforespace\detokenize\expandafter{\@xs@argument} \@xs@nil\@empty% #1 commence par un espace ? \expandafter\@xs@ifempty\expandafter{\@xs@argument}% {\let#2\@empty} {\afterassignment\@xs@testsecondtoken% après avoir mangé le 1er token, on va tester si la suite commence par «{» \expandafter\let\expandafter\@xs@secontoken\expandafter=\expandafter\@sptoken\@xs@argument\@xs@@nil\@xs@nil% on mange le 1er token et on rajoute \@xs@@nil à la fin pour éviter de perdre les accolades du groupe {\expandafter\expandafter\expandafter\def\expandafter\expandafter\expandafter#2% \expandafter\expandafter\expandafter{\expandafter\@xs@gobblespacebeforebrace\@xs@argument}}% {\expandafter\expandafter\expandafter\def\expandafter\expandafter\expandafter#2% \expandafter\expandafter\expandafter{\expandafter\@xs@behindspace\@xs@argument\@xs@nil}}% }% \else \expandafter\expandafter\expandafter\def\expandafter\expandafter\expandafter#2% \expandafter\expandafter\expandafter{\expandafter\@gobble\@xs@argument}% \fi } % Macros \`a arguments d\'elimit\'es pour les macros ci dessus \long\def\@xs@beforespace#1 #2\@xs@nil{#1} \long\def\@xs@behindspace#1 #2\@xs@nil{#2} \long\def\@xs@returnfirstsyntaxunit@ii#1#2\@xs@nil{#1} \long\def\@xs@gobbleall#1\@xs@nil{} % Cette macro interne est utilis\'ee dans les macros \'etoil\'ees pour : % 1) d\'evelopper l'argument selon qu'on a choisit \fullexpandarg % ou \normalexpandarg, et ceci \`a l'aide de la macro \@xs@def % 2) Ensuite, on d\'etokenize ce d\'eveloppement de façon n'avoir plus que % des catcodes de 10 pour les espaces et 12 pour le reste. \long\def\@xs@expand@and@detokenize#1#2{% \long\def#1{#2}% \expandafter\edef\expandafter#1\expandafter{\@xs@expand#1}% on d\'eveloppe #2 selon le mode de d\'eveloppement \long\edef#1{\detokenize\expandafter{#1}}% puis on d\'etokenize et on assigne \`a #1 } \long\def\@xs@expand@and@assign#1#2{\@xs@def#1{#2}}% on d\'eveloppe #2 selon \fullexpandarg ou \normalexpandarg \long\def\@xs@edefaddtomacro#1#2{\edef#1{\unexpanded\expandafter{#1}#2}} \long\def\@xs@addtomacro#1#2{\expandafter\def\expandafter#1\expandafter{#1#2}} \def\@xs@argstring{0########1########2########3########4########5########6########7########8########9} % \@xs@DefArg{3} met dans la sc \@xs@myarg les tokens "####1####2####3" \def\@xs@DefArg#1{\def\@xs@defarg0##1#1##2\@xs@nil{\def\@xs@myarg{##1#1}}\expandafter\@xs@defarg\@xs@argstring\@xs@nil} % \@xs@DefArg@{3} met dans la sc \@xs@myarg les tokens "[####1]####2####3####4" \def\@xs@DefArg@#1{\expandafter\@xs@defarg@\expandafter{\number\numexpr#1+1}} \def\@xs@defarg@#1{\def\@xs@defarg0##11##2#1##3\@xs@nil{\def\@xs@myarg{[##11]##2#1}}\expandafter\@xs@defarg\@xs@argstring\@xs@nil} % \@xs@OneArg{3} met dans la sc \@xs@myarg les tokens "####3" \def\@xs@OneArg#1{\expandafter\@xs@onearg\expandafter{\number\numexpr#1-1}{#1}} \def\@xs@onearg#1#2{\def\@xs@defarg##1#1##2#2##3\@xs@nil{\def\@xs@myarg{##2#2}}\expandafter\@xs@defarg\@xs@argstring\@xs@nil} % #1 : num\'ero du 1er argument; #2 : nombre de lignes; #3 argument optionnel; #4 : dernier num\'ero de l'argument devant être d\'etokenis\'e si \'etoile \def\@xs@BuildLines#1#2#3#4{% \let\@xs@newlines\@empty \let\@xs@newargs\@empty \def\@xs@buildlines##1{% \expandafter\@xs@OneArg\expandafter{\number\numexpr##1+#1-1}% \edef\@xs@reserved@B{\noexpand\@xs@expand\csname @xs@arg@\romannumeral\numexpr##1\endcsname}% \ifnum##1=\@ne% si c'est le premier argument \@xs@ifempty{#3}% {\expandafter\@xs@addtomacro\expandafter\@xs@newargs\expandafter{\expandafter{\@xs@reserved@B}}% \edef\@xs@reserved@B{\ifnum##1>#4 @xs@def\else @xs@assign\fi}% }% et s'il y a un argument optionnel alors, on met des crochets {\expandafter\@xs@addtomacro\expandafter\@xs@newargs\expandafter{\expandafter[\@xs@reserved@B]}% \def\@xs@reserved@B{@xs@def}% ne pas d\'etok\'eniser l'argument optionnel grace au \@xs@def } \else \expandafter\@xs@addtomacro\expandafter\@xs@newargs\expandafter{\expandafter{\@xs@reserved@B}}% \edef\@xs@reserved@B{\ifnum##1>#4 @xs@def\else @xs@assign\fi}% \fi \edef\@xs@newlines{\unexpanded\expandafter{\@xs@newlines}\expandafter\noexpand\csname\@xs@reserved@B\endcsname\expandafter\noexpand\csname @xs@arg@\romannumeral\numexpr##1\endcsname{\@xs@myarg}}% \ifnum##1<#2\relax \def\@xs@next{\expandafter\@xs@buildlines\expandafter{\number\numexpr##1+1}}% \expandafter\@xs@next \fi}% \@xs@buildlines\@ne } \def\@xs@newmacro{% \@ifstar {\let\@xs@reserved@D\@empty\@xs@newmacro@} {\let\@xs@reserved@D\relax\@xs@newmacro@0}% } % #1 : dernier num\'ero de l'argument devant être d\'etokenis\'e % #2 : nom de la macro publique % #3 : argument optionnel (vide si pas d'arg optionnel) % #4 : nombre d'arguments obligatoires % #5 : utilisation de testopt (1 si oui, 0 si non) % #6 : code de la macro \def\@xs@newmacro@#1#2#3#4#5{% \edef\@xs@reserved@A{@xs@\expandafter\@gobble\string#2}% \edef\@xs@reserved@C{\expandafter\noexpand\csname\@xs@reserved@A @\ifx\@empty#3\@empty @\fi\endcsname}% \edef\@xs@reserved@B{% \ifx\@empty\@xs@reserved@D \def\noexpand#2{\noexpand\@ifstar {\let\noexpand\@xs@assign\noexpand\@xs@expand@and@detokenize\expandafter\noexpand\@xs@reserved@C}% {\let\noexpand\@xs@assign\noexpand\@xs@expand@and@assign\expandafter\noexpand\@xs@reserved@C}% }% \else \def\noexpand#2{\let\noexpand\@xs@assign\noexpand\@xs@expand@and@assign\expandafter\noexpand\@xs@reserved@C}% \fi \ifx\@empty#3\@empty \else \def\expandafter\noexpand\@xs@reserved@C{% \noexpand\@testopt{\expandafter\noexpand\csname\@xs@reserved@A @@\endcsname}{\ifx\@xs@def\@xs@ledef#3\else\unexpanded{#3}\fi}}% \fi }% % Que fait \@xs@reserved@B ? Il d\'efinit : % si #3 est vide : \NOM{\@ifstar{\let\@xs@assign\@xs@expand@and@detokenize\@xs@NOM@@}{\let\@xs@assign\@xs@expand@and@assign\@xs@NOM@@}} % si #3 existe : \NOM{\@ifstar{\let\@xs@assign\@xs@expand@and@detokenize\@xs@NOM@}{\let\@xs@assign\@xs@expand@and@assign\@xs@NOM@}} % \@xs@NOM@{\@testopt{\@xs@NOM@@}{#3}}} \long\@xs@reserved@B \ifx\@empty#3\@empty \@xs@BuildLines1{#4}{#3}{#1}% \@xs@DefArg{#4}% \else \expandafter\@xs@BuildLines\expandafter1\expandafter{\number\numexpr#4+1}{#3}{#1}% \@xs@DefArg@{#4}% \fi \edef\@xs@reserved@B{\def\expandafter\noexpand\csname\@xs@reserved@A @@\endcsname\@xs@myarg}% \edef\@xs@reserved@C{\unexpanded\expandafter{\@xs@newlines}\edef\noexpand\@xs@call}% \edef\@xs@reserved@D{% \noexpand\noexpand\expandafter\noexpand\csname\@xs@reserved@A\endcsname\unexpanded\expandafter{\@xs@newargs}% }% \ifnum#5=\@ne\edef\@xs@reserved@D{\noexpand\noexpand\noexpand\@testopt{\unexpanded\expandafter{\@xs@reserved@D}}{}}\fi \@xs@edefaddtomacro\@xs@reserved@C{{\unexpanded\expandafter{\@xs@reserved@D}}\noexpand\@xs@call}% \@xs@edefaddtomacro\@xs@reserved@B{{\unexpanded\expandafter{\@xs@reserved@C}}}% % Que fait \@xs@reserved@B ? Il d\'efinit par exemple pour 3 arguments obligatoires et 1 facultatif : % \def\@xs@NOM@@[##2]##3##4##5{% % \@xs@def\@xs@arg@i{##2}\@xs@assign\@xs@arg@ii{##3}\@xs@assign\@xs@arg@iii{##4}\@xs@asign\@xs@arg@iv{##5}% % si #5=0: \edef\@xs@call{\noexpand\@xs@NOM[\@xs@expand\@xs@arg@i]{\@xs@expand\@xs@arg@ii}{\@xs@expand\@xs@arg@iii}{\@xs@expand\@xs@arg@iv}}% % si #5=1: \edef\@xs@call{\noexpand\@testopt{\noexpand\@xs@NOM[\@xs@expand\@xs@arg@i]{\@xs@expand\@xs@arg@i}{\@xs@expand\@xs@arg@ii}{\@xs@expand\@xs@arg@iii}{\@xs@expand\@xs@arg@iv}}{}}% % \@xs@call} \long\@xs@reserved@B \edef\@xs@reserved@B{% \def\expandafter\noexpand\csname\@xs@reserved@A\endcsname \@xs@myarg\ifnum#5=\@ne[\unexpanded{##}\number\numexpr\ifx\@empty#3\@empty#4+1\else#4+2\fi]\fi }% % Que fait \@xs@reserved@B ? Il d\'efinit par exemple pour 3 arguments obligatoires et 1 facultatif : % \def \@xs@NOM[##2]##3##4##5[##6]{#6} \long\@xs@reserved@B } % macro g\'en\'erique qui lit \@xs@reserved@C us par us % 3 sous-routines sont appel\'ees \`a des moments cl\'e : % \@xs@atendofgroup (un groupe se finit, appel r\'ecursif) % \@xs@atbegingroup (un groupe vient d'être ouvert) % \@xs@atnextsyntaxunit (la future US n'est pas un groupe) \def\@xs@read@reserved@C{% \expandafter\@xs@ifempty\expandafter{\@xs@reserved@C}% {\ifnum\@xs@nestlevel=\z@ \let\@xs@next\relax \else \let\@xs@next\@xs@atendofgroup \fi } {\expandafter\@xs@returnfirstsyntaxunit\expandafter{\@xs@reserved@C}\@xs@reserved@A \expandafter\@xs@removefirstsyntaxunit\expandafter{\@xs@reserved@C}\@xs@reserved@C \let\@xs@next\@xs@read@reserved@C \@xs@exploregroups \ifx\bgroup\@xs@toks \advance\integerpart\@ne \begingroup \expandafter\def\expandafter\@xs@reserved@C\@xs@reserved@A \@xs@manage@groupID \let\@xs@nestlevel\@ne \integerpart\z@ \@xs@atbegingroup \else \global\advance\decimalpart\@ne \@xs@atnextsyntaxunit \fi }% \@xs@next } % macro g\'en\'erique qui lit \@xs@reserved@D en proc\'edant \`a des tests avec \IfBeginWith % 2 sous-routines sont appel\'ees \`a des moments cl\'e : % \@xs@atendofgroup (un groupe se finit, appel r\'ecursif) % \@xs@atoccurfound (une occurrence a \'et\'e trouv\'ee) \def\@xs@read@reserved@D{% \expandafter\@xs@ifempty\expandafter{\@xs@reserved@D}% {\ifnum\@xs@nestlevel=\z@ \let\@xs@next\relax \else \let\@xs@next\@xs@atendofgroup \fi }% {\expandafter\expandafter\expandafter\@xs@IfBeginWith@i\expandafter\expandafter\expandafter {\expandafter\@xs@reserved@D\expandafter}\expandafter{\@xs@reserved@E}% {\global\advance\decimalpart\@ne \let\@xs@reserved@D\@xs@reserved@A \@xs@atoccurfound }% {\expandafter\@xs@returnfirstsyntaxunit\expandafter{\@xs@reserved@D}\@xs@reserved@A \expandafter\@xs@removefirstsyntaxunit\expandafter{\@xs@reserved@D}\@xs@reserved@D \let\@xs@next\@xs@read@reserved@D \@xs@exploregroups \ifx\bgroup\@xs@toks \advance\integerpart\@ne \begingroup \expandafter\def\expandafter\@xs@reserved@D\@xs@reserved@A \@xs@manage@groupID \let\@xs@reserved@C\@empty \let\@xs@nestlevel\@ne \integerpart\z@ \else \expandafter\@xs@addtomacro\expandafter\@xs@reserved@C\expandafter{\@xs@reserved@A}% \fi }% }% \@xs@next } \@xs@newmacro\StrRemoveBraces{}{1}{1}{% \def\@xs@reserved@C{#1}% \let\@xs@reserved@B\@empty \let\@xs@nestlevel\z@ \@xs@StrRemoveBraces@i \expandafter\@xs@ReturnResult\expandafter{\@xs@reserved@B}{#2}% } \def\@xs@StrRemoveBraces@i{% \expandafter\@xs@ifempty\expandafter{\@xs@reserved@C}% {\ifnum\@xs@nestlevel=\z@ \let\@xs@next\relax \else \expandafter\endgroup \expandafter\@xs@addtomacro\expandafter\@xs@reserved@B\expandafter{\@xs@reserved@B}% \let\@xs@next\@xs@StrRemoveBraces@i \fi } {\expandafter\@xs@returnfirstsyntaxunit\expandafter{\@xs@reserved@C}\@xs@reserved@A \expandafter\@xs@removefirstsyntaxunit\expandafter{\@xs@reserved@C}\@xs@reserved@C \let\@xs@next\@xs@StrRemoveBraces@i \ifx\bgroup\@xs@toks \ifx\@xs@exploregroups\relax% on explore les groupes ? \begingroup \expandafter\def\expandafter\@xs@reserved@C\@xs@reserved@A \let\@xs@nestlevel\@ne \integerpart\z@ \let\@xs@reserved@B\@empty \else \expandafter\@xs@addtomacro\expandafter\@xs@reserved@B\@xs@reserved@A \fi \else \expandafter\@xs@addtomacro\expandafter\@xs@reserved@B\expandafter{\@xs@reserved@A}% \fi }% \@xs@next } % \@xs@cutafteroccur coupe l'argument #1 apr\`es la #3\`eme occurrence de #2 % \@xs@reserved@C : contient ce qui se trouve avant cette occurrence % \@xs@reserved@D : contient ce qui se trouve avant cette occurrence y compris cette occurrence % \@xs@reserved@E : contient ce qui se trouve apr\`es l'occurrence % si l'occurrence n'existe pas ou qu'un des arguments est vide, toutes les chaines renvoy\'ees sont vides \long\def\@xs@cutafteroccur#1#2#3{% \ifnum#3<\@ne\expandafter\@firstoftwo\else\expandafter\@secondoftwo\fi {\let\@xs@reserved@C\@empty \let\@xs@reserved@E\@empty \global\let\groupID\@empty } {\@xs@cutafteroccur@i{#1}{#2}{#3}}% } \long\def\@xs@cutafteroccur@i#1#2#3{% \def\@xs@reserved@D{#1}\let\@xs@reserved@C\@empty\def\@xs@reserved@E{#2}% \decimalpart\z@ \integerpart\z@ \gdef\groupID{0}% \let\@xs@nestlevel\z@ \def\@xs@atendofgroup{% \expandafter\endgroup \expandafter\@xs@addtomacro\expandafter\@xs@reserved@C\expandafter{\expandafter{\@xs@reserved@C}}% \@xs@read@reserved@D}% \def\@xs@atoccurfound{% \ifnum\decimalpart=\numexpr(#3)\relax \global\let\@xs@reserved@D\@xs@reserved@D \global\let\@xs@reserved@C\@xs@reserved@C \@xs@exitallgroups \let\@xs@next\relax \else \expandafter\@xs@addtomacro\expandafter\@xs@reserved@C\expandafter{\@xs@reserved@E}% \let\@xs@next\@xs@read@reserved@D \fi}% \@xs@read@reserved@D \def\@xs@argument@A{#2}% \ifnum\decimalpart=\numexpr(#3)\relax % occurrence trouv\'ee ? \let\@xs@reserved@E\@xs@reserved@D \expandafter\expandafter\expandafter\def\expandafter\expandafter\expandafter\@xs@reserved@D\expandafter\expandafter\expandafter{\expandafter\@xs@reserved@C\@xs@argument@A}% \else \let\@xs@reserved@C\@empty \let\@xs@reserved@E\@empty \global\let\groupID\@empty \fi } \@xs@newmacro*3\IfSubStr{1}{2}{0}{% \def\@xs@argument@A{#2}\def\@xs@argument@B{#3}% \expandafter\expandafter\expandafter\@xs@cutafteroccur \expandafter\expandafter\expandafter{\expandafter\@xs@argument@A\expandafter}\expandafter{\@xs@argument@B}{#1}% \expandafter\@xs@ifempty\expandafter{\@xs@reserved@D}% \@secondoftwo \@firstoftwo } \@xs@newmacro*2\IfBeginWith{}{2}{0}{% \def\@xs@argument@A{#1}\def\@xs@argument@B{#2}% \expandafter\@xs@ifempty\expandafter{\@xs@argument@B}% {\let\@xs@next\@secondoftwo } {\def\@xs@next{% \expandafter\expandafter\expandafter\@xs@IfBeginWith@i\expandafter\expandafter\expandafter {\expandafter\@xs@argument@A\expandafter}\expandafter {\@xs@argument@B}}% }% \@xs@next } \long\def\@xs@IfBeginWith@i#1#2{% \def\@xs@argument@A{#1}\def\@xs@argument@B{#2}% \expandafter\@xs@ifempty\expandafter{\@xs@argument@B}% {\let\@xs@next\@firstoftwo% #2 est vide, tous les tests sont pass\'es avec succ\`es : on renvoie #3 } {\expandafter\@xs@ifempty\expandafter{\@xs@argument@A}% {\let\@xs@next\@secondoftwo% #1 est vide, c'est que #2 est + long que #1 : on renvoie #4 } {\expandafter\@xs@returnfirstsyntaxunit\expandafter{\@xs@argument@B}\@xs@reserved@B \expandafter\@xs@returnfirstsyntaxunit\expandafter{\@xs@argument@A}\@xs@reserved@A \ifx\@xs@reserved@A\@xs@reserved@B% il y a \'egalit\'e... \expandafter\@xs@removefirstsyntaxunit\expandafter{\@xs@argument@B}\@xs@reserved@B \expandafter\@xs@removefirstsyntaxunit\expandafter{\@xs@argument@A}\@xs@reserved@A% on enl\`eve les 1ere unit\'es syntaxiques \def\@xs@next{% et on recommence avec ces arguments racourcis d'1 unit\'e syntaxique \expandafter\expandafter\expandafter\@xs@IfBeginWith@i \expandafter\expandafter\expandafter{\expandafter\@xs@reserved@A\expandafter}\expandafter{\@xs@reserved@B}}% \else \let\@xs@next\@secondoftwo \fi }% }% \@xs@next } \@xs@newmacro*2\IfEndWith{}{2}{0}{% \def\@xs@argument@A{#1}\def\@xs@argument@B{#2}% \@xs@ifempty{#2}% {\let\@xs@reserved@A\@secondoftwo } {\expandafter\expandafter\expandafter\@xs@StrCount \expandafter\expandafter\expandafter{\expandafter\@xs@argument@A\expandafter}\expandafter {\@xs@argument@B}[\@xs@reserved@A]% \ifnum\@xs@reserved@A=\z@ \let\@xs@reserved@A\@secondoftwo \else \expandafter\@xs@ifempty\expandafter{\@xs@reserved@C}% {\let\@xs@reserved@A\@firstoftwo} {\let\@xs@reserved@A\@secondoftwo}% \fi }% \@xs@reserved@A } \@xs@newmacro*4\IfSubStrBefore{1,1}{3}{0}{\@xs@IfSubStrBefore@i[#1]{#2}{#3}{#4}} \def\@xs@IfSubStrBefore@i[#1,#2]#3#4#5{% \def\@xs@reserved@C{#3}% \ifx\@xs@exploregroups\relax% si on explore les groupes \let\@xs@reserved@B\@empty \let\@xs@nestlevel\z@ \@xs@StrRemoveBraces@i% on retire les accolades \let\@xs@reserved@C\@xs@reserved@B \fi \def\@xs@reserved@A{#5}% \expandafter\expandafter\expandafter\@xs@cutafteroccur\expandafter\expandafter\expandafter{\expandafter\@xs@reserved@C\expandafter}\expandafter{\@xs@reserved@A}{#2}% \def\@xs@reserved@A{#4}% \expandafter\expandafter\expandafter\@xs@cutafteroccur\expandafter\expandafter\expandafter{\expandafter\@xs@reserved@C\expandafter}\expandafter{\@xs@reserved@A}{#1}% \global\let\groupID\@empty \expandafter\@xs@ifempty\expandafter{\@xs@reserved@C}% \@secondoftwo \@firstoftwo } \@xs@newmacro*4\IfSubStrBehind{1,1}{3}{0}{\@xs@IfSubStrBehind@i[#1]{#2}{#3}{#4}} \long\def\@xs@IfSubStrBehind@i[#1,#2]#3#4#5{\@xs@IfSubStrBefore@i[#2,#1]{#3}{#5}{#4}} \long\def\@xs@formatnumber#1#2{% \def\@xs@argument@A{#1}% \@xs@ifempty{#1}% {\def#2{0X}% si vide, renvoie 0X } {\@xs@returnfirstsyntaxunit{#1}\@xs@reserved@A \def\@xs@reserved@B{+}% \ifx\@xs@reserved@A\@xs@reserved@B \expandafter\@xs@removefirstsyntaxunit\expandafter{\@xs@argument@A}\@xs@reserved@C \expandafter\@xs@ifempty\expandafter{\@xs@reserved@C}% {\def#2{+0X}} {\expandafter\def\expandafter#2\expandafter{\expandafter+\expandafter0\@xs@reserved@C}}% \else \def\@xs@reserved@B{-}% \ifx\@xs@reserved@A\@xs@reserved@B \expandafter\@xs@removefirstsyntaxunit\expandafter{\@xs@argument@A}\@xs@reserved@A \expandafter\@xs@ifempty\expandafter{\@xs@reserved@A}% {\def#2{-0X}}% {\expandafter\def\expandafter#2\expandafter{\expandafter-\expandafter0\@xs@reserved@A}}% \else \expandafter\def\expandafter#2\expandafter{\expandafter0\@xs@argument@A}% \fi \fi }% } \@xs@newmacro\IfInteger{}{1}{0}{% \@xs@formatnumber{#1}\@xs@reserved@A \decimalpart\z@ \afterassignment\@xs@defafterinteger\integerpart\@xs@reserved@A\relax\@xs@nil \let\@xs@after@intpart\@xs@afterinteger \expandafter\@xs@testdot\@xs@afterinteger\@xs@nil \ifx\@empty\@xs@afterdecimal \ifnum\decimalpart=\z@ \let\@xs@next\@firstoftwo% partie décimale constituée de 0 --> seul cas où on renvoie vrai \else \let\@xs@afterinteger\@xs@after@intpart \let\@xs@next\@secondoftwo \fi \else \let\@xs@afterinteger\@xs@after@intpart \let\@xs@next\@secondoftwo \fi \@xs@next } \@xs@newmacro\IfDecimal{}{1}{0}{% \@xs@formatnumber{#1}\@xs@reserved@A \decimalpart\z@ \afterassignment\@xs@defafterinteger\integerpart\@xs@reserved@A\relax\@xs@nil \expandafter\@xs@testdot\@xs@afterinteger\@xs@nil \ifx\@empty\@xs@afterdecimal \expandafter\@firstoftwo \else \expandafter\@secondoftwo \fi } \long\def\@xs@defafterinteger#1\relax\@xs@nil{\def\@xs@afterinteger{#1}} \def\@xs@testdot{% \let\xs@decsep\@empty \@ifnextchar.% {\def\xs@decsep{.}\@xs@readdecimalpart}% {\@xs@testcomma}% } \def\@xs@testcomma{% \@ifnextchar,% {\def\xs@dessep{,}\@xs@readdecimalpart}% {\@xs@endnumber}% } \long\def\@xs@readdecimalpart#1#2\@xs@nil{% \ifx\@empty#2\@empty \def\@xs@reserved@A{0X}% \else \def\@xs@reserved@A{0#2}% \fi \afterassignment\@xs@defafterinteger\decimalpart\@xs@reserved@A\relax\@xs@nil \expandafter\@xs@endnumber\@xs@afterinteger\@xs@nil } \long\def\@xs@endnumber#1\@xs@nil{\def\@xs@afterdecimal{#1}} % test d'\'egalit\'e sur des chaines (et des chaines contenant des nombres) \long\def\@xs@IfStrEqFalse@i#1#2{\let\@xs@reserved@A\@secondoftwo} \long\def\@xs@IfStrEqFalse@ii#1#2{% renvoie vrai si les 2 arg sont d\'ecimaux et s'ils sont \'egaux, faux sinon \@xs@IfDecimal{#1}% {\@xs@IfDecimal{#2}% {\ifdim#1pt=#2pt \let\@xs@reserved@A\@firstoftwo \else \let\@xs@reserved@A\@secondoftwo \fi% les 2 sont d\'ecimaux : on fait le test }% {\let\@xs@reserved@A\@secondoftwo}% un seul est d\'ecimal }% {\let\@xs@reserved@A\@secondoftwo}% #1 n'est pas d\'ecimal } \long\def\@xs@TestEqual#1#2{% teste si les 2 arguments sont \'egaux \def\@xs@reserved@A{#1}\def\@xs@reserved@B{#2}% \ifx\@xs@reserved@A\@xs@reserved@B \let\@xs@reserved@A\@firstoftwo% \'egalit\'e parfaite des 2 chaines \else \expandafter\expandafter\expandafter\@xs@reserved@D\expandafter\expandafter\expandafter{\expandafter\@xs@reserved@A\expandafter}\expandafter{\@xs@reserved@B}% \fi \@xs@reserved@A } \@xs@newmacro*2\IfStrEq{}{2}{0}{% teste si les deux chaines sont \'egales \let\@xs@reserved@D\@xs@IfStrEqFalse@i \@xs@TestEqual{#1}{#2}% } \@xs@newmacro*2\IfEq{}{2}{0}{% teste si les 2 arguments (chaine ou nombre) sont \'egaux \let\@xs@reserved@D\@xs@IfStrEqFalse@ii \@xs@TestEqual{#1}{#2}% } \def\IfStrEqCase{% \@ifstar {\def\@xs@reserved@E{\IfStrEq*}\@xs@IfStrCase}% {\def\@xs@reserved@E{\IfStrEq}\@xs@IfStrCase}% } \def\@xs@IfStrCase#1#2{\@testopt{\@xs@IfStringCase{#1}{#2}}{}} \def\IfEqCase{% \@ifstar {\def\@xs@reserved@E{\IfEq*}\@xs@IfEqCase}% {\def\@xs@reserved@E{\IfEq}\@xs@IfEqCase}% } \long\def\@xs@IfEqCase#1#2{\@testopt{\@xs@IfStringCase{#1}{#2}}{}} \long\def\@xs@IfStringCase#1#2[#3]{% \def\@xs@testcase##1##2##3\@xs@nil{% lit les 2 premieres unit\'es syntaxiques dans ##1 et ##2. Les autres dans ##3 \@xs@reserved@E{#1}{##1}% {##2}% le test est positif, on ex\'ecute le code correspondant {\@xs@ifempty{##3}% {#3}% s'il n'y a plus de cas, on ex\'ecute le code {\@xs@testcase##3\@xs@nil}% sinon, on recommence avec ce qui reste }% }% \@xs@testcase#2\@xs@nil } % Renvoie ce qui est \`a gauche de l'occurence n°#1 de la sous chaine #3 dans la chaine #2 \@xs@newmacro*3\StrBefore{1}{2}{1}{% \@xs@cutafteroccur{#2}{#3}{#1}% \expandafter\@xs@ReturnResult\expandafter{\@xs@reserved@C}{#4}% } % Renvoie ce qui est \`a droite de l'occurence n°#1 de la sous chaine #3 dans la chaine #2 \@xs@newmacro*3\StrBehind{1}{2}{1}{% \@xs@cutafteroccur{#2}{#3}{#1}% \expandafter\@xs@ReturnResult\expandafter{\@xs@reserved@E}{#4}% } % Renvoie ce qui est strictement compris entre les occurrences n°#1 et n°#2 % des chaines #4 et #5 dans la chaine #3 \@xs@newmacro*4\StrBetween{1,1}{3}{1}{\@xs@StrBetween@i[#1]{#2}{#3}{#4}[#5]} \long\def\@xs@StrBetween@i[#1,#2]#3#4#5[#6]{% \begingroup \noexploregroups \@xs@cutafteroccur{#3}{#5}{#2}% \expandafter\@xs@cutafteroccur\expandafter{\@xs@reserved@C}{#4}{#1}% \expandafter \endgroup \expandafter\@xs@ReturnResult\expandafter{\@xs@reserved@E}{#6}% \global\let\groupID\@empty } \def\exploregroups{\let\@xs@exploregroups\relax} \def\noexploregroups{\def\@xs@exploregroups{\let\@xs@toks0\relax}} \def\saveexploremode{\let\@xs@saveexploremode\@xs@exploregroups} \def\restoreexploremode{\let\@xs@exploregroups\@xs@saveexploremode} % Remplace les #1 premi\`eres occurences de la chaine #3 % par la chaine #4 dans la chaine #2 \@xs@newmacro\StrSubstitute{0}{3}{1}{% \def\@xs@reserved@D{#2}\let\@xs@reserved@C\@empty\def\@xs@reserved@E{#3}% \def\@xs@argument@C{#3}\def\@xs@argument@D{#4}% \decimalpart\z@ \integerpart\z@ \gdef\groupID{0}% \let\@xs@nestlevel\z@ \def\@xs@atendofgroup{% \expandafter\endgroup \expandafter\@xs@addtomacro\expandafter\@xs@reserved@C\expandafter{\expandafter{\@xs@reserved@C}}% \@xs@read@reserved@D }% \def\@xs@atoccurfound{% \ifnum#1<\@ne \let\@xs@reserved@A\@xs@argument@D \else \ifnum\decimalpart>#1 \let\@xs@reserved@A\@xs@argument@C \else \let\@xs@reserved@A\@xs@argument@D \fi \fi \expandafter\@xs@addtomacro\expandafter\@xs@reserved@C\expandafter{\@xs@reserved@A}% \@xs@read@reserved@D }% \@xs@ifempty{#3}% {\expandafter\@xs@ReturnResult\expandafter{\@xs@reserved@D}{#5}% } {\@xs@read@reserved@D \expandafter\@xs@ReturnResult\expandafter{\@xs@reserved@C}{#5}% }% } % Supprime les #1 premi\`eres occurrences de #3 dans #2 \@xs@newmacro\StrDel{0}{2}{1}{\@xs@StrSubstitute[#1]{#2}{#3}{}[#4]} \def\@xs@exitallgroups{\ifnum\@xs@nestlevel>\z@\endgroup\expandafter\@xs@exitallgroups\fi} % Compte combien d'unit\'es syntaxiques contient la chaine #1 ? \@xs@newmacro\StrLen{}{1}{1}{% \def\@xs@reserved@C{#1}% \decimalpart\z@ \let\@xs@nestlevel\z@ \gdef\groupID{0}% \let\@xs@atbegingroup\relax \def\@xs@atendofgroup{\endgroup\@xs@read@reserved@C}% \let\@xs@atnextsyntaxunit\relax \@xs@read@reserved@C \expandafter\@xs@ReturnResult\expandafter{\number\decimalpart}{#2}% } % Macro interne fermant autant de groupes que n\'ecessaire pour trouver une unit\'e syntaxique derri\`ere \def\@xs@continuetonext{% \expandafter\@xs@ifempty\expandafter{\@xs@reserved@C}% {\ifnum\@xs@nestlevel>\z@ \expandafter\endgroup\expandafter\@xs@addtomacro\expandafter\@xs@reserved@B\expandafter{\expandafter{\@xs@reserved@B}}% on concat\`ene \expandafter\expandafter\expandafter\@xs@continuetonext% on recommence \fi} \relax }% \def\@xs@manage@groupID{% \begingroup\def\@xs@reserved@A{0}% \ifx\@xs@reserved@A\groupID% si on arrive du groupe de niveau 0 \endgroup \xdef\groupID{\number\integerpart}% on met simplement le niveau \else \endgroup \expandafter\expandafter\expandafter\gdef\expandafter\expandafter\expandafter\groupID\expandafter\expandafter\expandafter{\expandafter\groupID\expandafter,\number\integerpart}% \fi } % Cette macro coupe la chaine #1 apr\`es l'unit\'e syntaxique n°#2 \def\StrSplit{% \@ifstar {\let\@xs@reserved@E\@xs@continuetonext\StrSpl@t}% {\let\@xs@reserved@E\relax\StrSpl@t}% } \@xs@newmacro\StrSpl@t{}{2}{0}{\@xs@StrSplit@i{#2}{#1}\@xs@StrSplit@ii} % Cette macro interne coupe la chaine #2 apr\`es l'unit\'e syntaxique n°#1 % Le d\'ebut est assign\'e dans \@xs@reserved@B et la fin dans \@xs@reserved@C \long\def\@xs@StrSplit@i#1#2{% \def\@xs@reserved@D{#1}% \def\@xs@reserved@C{#2}% \let\@xs@reserved@B\@empty \global\let\groupID\@empty \ifnum#1>\z@ \decimalpart\z@ \integerpart\z@ \gdef\groupID{0}% \let\@xs@nestlevel\z@ \def\@xs@atendofgroup{% \expandafter\endgroup \expandafter\@xs@addtomacro\expandafter\@xs@reserved@B\expandafter{\expandafter{\@xs@reserved@B}}% \@xs@read@reserved@C }% \def\@xs@atbegingroup{\let\@xs@reserved@B\@empty}% \def\@xs@atnextsyntaxunit{% \expandafter\@xs@addtomacro\expandafter\@xs@reserved@B\expandafter{\@xs@reserved@A}% \ifnum\decimalpart=\@xs@reserved@D\relax \ifx\@xs@reserved@C\@empty\@xs@reserved@E\fi \global\let\@xs@reserved@B\@xs@reserved@B \global\let\@xs@reserved@C\@xs@reserved@C \@xs@exitallgroups \let\@xs@next\relax \fi }% \@xs@read@reserved@C \fi } \def\@xs@StrSplit@ii#1#2{\let#1\@xs@reserved@B\let#2\@xs@reserved@C} % StrCut[n]{}{}\macroA\macroB % \macroA reçoit ce qui se trouve avant la n ème occurrence dans % \macroB reçoit ce qui est après cette n ème occurrence \@xs@newmacro*3\StrCut{1}{2}{0}{% \@xs@ifempty{#3}% {\global\let\groupID\@empty \let\@xs@reserved@C\@empty \let\@xs@reserved@E\@empty } {\ifnum#1<\@ne\expandafter\@firstoftwo\else\expandafter\@secondoftwo\fi {\@xs@StrCut@ii{#2}{#3}1} {\@xs@StrCut@ii{#2}{#3}{#1}}% }% \@xs@StrCut@iii } \long\def\@xs@StrCut@ii#1#2#3{% \def\@xs@reserved@D{#1}% \let\@xs@reserved@C\@empty \def\@xs@reserved@E{#2}% \decimalpart\z@\integerpart\z@ \gdef\groupID{0}% \let\@xs@nestlevel\z@ \def\@xs@atendofgroup{% \expandafter\endgroup \expandafter\@xs@addtomacro\expandafter\@xs@reserved@C\expandafter{\expandafter{\@xs@reserved@C}}% \@xs@read@reserved@D }% \def\@xs@atoccurfound{% \ifnum\decimalpart=\numexpr(#3)\relax \global\let\@xs@reserved@D\@xs@reserved@D \global\let\@xs@reserved@C\@xs@reserved@C \@xs@exitallgroups \let\@xs@next\relax \else \expandafter\@xs@addtomacro\expandafter\@xs@reserved@C\expandafter{\@xs@reserved@E}% \let\@xs@next\@xs@read@reserved@D \fi }% \@xs@read@reserved@D \def\@xs@argument@A{#2}% \let\@xs@reserved@E\@xs@reserved@D \expandafter\expandafter\expandafter \def \expandafter\expandafter\expandafter \@xs@reserved@D \expandafter\expandafter\expandafter {\expandafter\@xs@reserved@C\@xs@argument@A}% } \long\def\@xs@StrCut@iii#1#2{\let#1\@xs@reserved@C\let#2\@xs@reserved@E} % De la chaine #1, renvoie ce qui se trouve entre les positions % #2 et #3, unit\'es syntaxiques aux positions compris ! \@xs@newmacro\StrMid{}{3}{1}{% \begingroup \noexploregroups \let\@xs@reserved@E\relax \@xs@StrSplit@i{#3}{#1}% \edef\@xs@reserved@C{\number\numexpr#2-1}% \let\@xs@reserved@E\relax \expandafter\expandafter\expandafter\@xs@StrSplit@i\expandafter\expandafter\expandafter{\expandafter\@xs@reserved@C\expandafter}\expandafter{\@xs@reserved@B}% \expandafter\endgroup \expandafter\@xs@ReturnResult\expandafter{\@xs@reserved@C}{#4}% \global\let\groupID\@empty } % supprime #2 unit\'es syntaxiques \`a gauche dans la chaine #1 \@xs@newmacro\StrGobbleLeft{}{2}{1}{% \let\@xs@reserved@E\relax \@xs@StrSplit@i{#2}{#1}% \expandafter\@xs@ReturnResult\expandafter{\@xs@reserved@C}{#3}% } % extrait de #1 la chaine \`a gauche de longueur #2 \@xs@newmacro\StrLeft{}{2}{1}{% \let\@xs@reserved@E\relax \@xs@StrSplit@i{#2}{#1}% \expandafter\@xs@ReturnResult\expandafter{\@xs@reserved@B}{#3}% } % supprime #2 unit\'es syntaxiques \`a droite dans la chaine #1 \@xs@newmacro\StrGobbleRight{}{2}{1}{% \@xs@StrLen{#1}[\@xs@reserved@D]% \let\@xs@reserved@E\relax \expandafter\@xs@StrSplit@i\expandafter{\number\numexpr\@xs@reserved@D-#2}{#1}% \expandafter\@xs@ReturnResult\expandafter{\@xs@reserved@B}{#3}% } % renvoie #2 unit\'es syntaxiques \`a la droite de la chaine #1 \@xs@newmacro\StrRight{}{2}{1}{% \@xs@StrLen{#1}[\@xs@reserved@D]% \let\@xs@reserved@E\relax \expandafter\@xs@StrSplit@i\expandafter{\number\numexpr\@xs@reserved@D-#2}{#1}% \expandafter\@xs@ReturnResult\expandafter{\@xs@reserved@C}{#3}% } \@xs@newmacro\StrChar{}{2}{1}{% \let\@xs@reserved@B\@empty \def\@xs@reserved@C{#1}\def\@xs@reserved@D{#2}% \ifnum#2>\z@ \def\groupID{0}\let\@xs@nestlevel\z@\integerpart\z@\decimalpart\z@ \let\@xs@atbegingroup\relax \def\@xs@atendofgroup{\endgroup\@xs@read@reserved@C}% \def\@xs@atnextsyntaxunit{% \ifnum\decimalpart=\@xs@reserved@D% la n i\`eme US est atteinte ? \global\let\@xs@reserved@B\@xs@reserved@A% on capture l'US en cours qui est celle cherch\'ee \@xs@exitallgroups \let\@xs@next\relax \fi }% \@xs@read@reserved@C \fi \expandafter\@xs@ifempty\expandafter{\@xs@reserved@B}% {\global\let\groupID\@empty} \relax \expandafter\@xs@ReturnResult\expandafter{\@xs@reserved@B}{#3}% } % Combien de fois compte t-on #2 dans #1 ? \@xs@newmacro\StrCount{}{2}{1}{% \def\@xs@reserved@D{#1}\def\@xs@reserved@E{#2}\let\@xs@reserved@C\@empty \@xs@ifempty{#2}% {\@xs@ReturnResult{0}{#3}} {\decimalpart\z@ \integerpart\z@ \gdef\groupID{0}% \let\@xs@nestlevel\z@ \def\@xs@atendofgroup{% \expandafter\endgroup \expandafter\@xs@addtomacro\expandafter\@xs@reserved@C\expandafter{\expandafter{\@xs@reserved@C}}% \@xs@read@reserved@D }% \def\@xs@atoccurfound{\let\@xs@reserved@C\@empty\@xs@read@reserved@D}% \@xs@read@reserved@D \expandafter\@xs@ReturnResult\expandafter{\number\decimalpart}{#3}% }% } % renvoie la position de l'occurrence #1 de la sous chaine #3 dans la chaine #2 \@xs@newmacro\StrPosition{1}{2}{1}{% \@xs@cutafteroccur{#2}{#3}{#1}% \let\@xs@reserved@E\groupID \ifx\@xs@reserved@C\@xs@reserved@D \@xs@ReturnResult{0}{#4}% \let\@xs@reserved@E\@empty \else \expandafter\@xs@StrLen\expandafter{\@xs@reserved@C}[\@xs@reserved@C]% \expandafter\@xs@ReturnResult\expandafter{\number\numexpr\@xs@reserved@C+1}{#4}% \fi \global\let\groupID\@xs@reserved@E } \def\comparestrict{\let\@xs@comparecoeff\@ne} \def\comparenormal{\let\@xs@comparecoeff\z@} \def\savecomparemode{\let\@xs@saved@comparecoeff\@xs@comparecoeff} \def\restorecomparemode{\let\@xs@comparecoeff\@xs@saved@comparecoeff} % Compare les deux arguments #1 et #2 % Renvoie 0 s'ils sont \'egaux et renvoie la % position de la premiere unit\'e syntaxiques diff\'erente sinon \@xs@newmacro*2\StrCompare{}{2}{1}{% \def\@xs@reserved@A{#1}% \def\@xs@reserved@B{#2}% \ifx\@xs@reserved@B\@xs@reserved@A \@xs@ReturnResult{0}{#3}% \else \def\@xs@next{\@xs@StrCompare@i{#1}{#2}{#3}}% \expandafter\@xs@next \fi } \long\def\@xs@StrCompare@i#1#2#3{% \def\@xs@StrCompare@iii##1{% \let\@xs@reserved@A\@empty \expandafter\@xs@ifempty\expandafter{\@xs@reserved@C}% {\def\@xs@reserved@A{*\@xs@comparecoeff}}% {\expandafter\@xs@ifempty\expandafter{\@xs@reserved@D}% {\def\@xs@reserved@A{*\@xs@comparecoeff}} \relax }% \def\@xs@next{% \expandafter\@xs@ReturnResult\expandafter {\number\numexpr##1\@xs@reserved@A\relax}{#3}% }% }% \def\@xs@StrCompare@ii##1{% ##1 est la position \expandafter\@xs@returnfirstsyntaxunit\expandafter{\@xs@reserved@C}\@xs@reserved@A \expandafter\@xs@returnfirstsyntaxunit\expandafter{\@xs@reserved@D}\@xs@reserved@B \ifx\@xs@reserved@B\@xs@reserved@A \expandafter\@xs@ifempty\expandafter{\@xs@reserved@A}% {\@xs@StrCompare@iii{##1}% les 2 unit\'es syntaxiques sont \'egales, on renvoie la position } {\def\@xs@next{\expandafter\@xs@StrCompare@ii\expandafter{\number\numexpr##1+1}}% les 2 unit\'es syntaxiques sont \'egales et non vides, on recommence \expandafter\@xs@removefirstsyntaxunit\expandafter{\@xs@reserved@C}\@xs@reserved@C \expandafter\@xs@removefirstsyntaxunit\expandafter{\@xs@reserved@D}\@xs@reserved@D }% \else% les 2 unit\'es syntaxiques sont diff\'erentes : on renvoie la position \@xs@StrCompare@iii{##1}% \fi \@xs@next }% \def\@xs@reserved@C{#1}\def\@xs@reserved@D{#2}% \@xs@StrCompare@ii1% } \@xs@newmacro\StrFindGroup{}{2}{1}{% \def\@xs@reserved@A{#2}\def\@xs@reserved@B{0}% \ifx\@xs@reserved@A\@xs@reserved@B \def\@xs@next{\@xs@ReturnResult{{#1}}{#3}}% \else \def\@xs@next{\@xs@StrFindGroup@i{#1}{#2}[#3]}% \fi \@xs@next } \long\def\@xs@StrFindGroup@i#1#2[#3]{% \def\@xs@StrFindGroup@ii{% \expandafter\@xs@ifempty\expandafter{\@xs@reserved@C}% {\def\@xs@next{\@xs@ReturnResult{}{#3}}% s'il ne reste plus rien, on renvoie vide } {\expandafter\@xs@returnfirstsyntaxunit\expandafter{\@xs@reserved@C}\@xs@reserved@D \ifx\bgroup\@xs@toks% si la 1\`ere unit\'e syntaxique est un groupe explicite \advance\decimalpart\@ne% on augmente le compteur \ifnum\decimalpart=\@xs@reserved@A% on est au groupe cherch\'e lors de la profondeur courante ? \ifx\@empty\@xs@reserved@B% on est \`a la profondeur maximale ? \def\@xs@next{\expandafter\@xs@ReturnResult\expandafter{\@xs@reserved@D}{#3}}% on renvoie ce groupe \else% sinon \expandafter\def\expandafter\@xs@next\expandafter{\expandafter\@xs@StrFindGroup@i\@xs@reserved@D}% on recommence avec ce groupe \expandafter\@xs@addtomacro\expandafter\@xs@next\expandafter{\expandafter{\@xs@reserved@B}[#3]}% et les profondeurs de recherche restantes \fi \else \expandafter\@xs@removefirstsyntaxunit\expandafter{\@xs@reserved@C}\@xs@reserved@C \let\@xs@next\@xs@StrFindGroup@ii \fi \else \expandafter\@xs@removefirstsyntaxunit\expandafter{\@xs@reserved@C}\@xs@reserved@C \let\@xs@next\@xs@StrFindGroup@ii \fi }% \@xs@next }% \@xs@extractgroupnumber{#2}\@xs@reserved@A\@xs@reserved@B \decimalpart\z@ \ifnum\@xs@reserved@A>\z@\def\@xs@reserved@C{#1}\else\let\@xs@reserved@C\@empty\fi \@xs@StrFindGroup@ii } \def\@xs@extractgroupnumber#1#2#3{% \def\@xs@extractgroupnumber@i##1,##2\@xs@nil{\def#2{##1}\def#3{##2}}% \@xs@extractgroupnumber@i#1,\@xs@nil \ifx\@empty#3\else\@xs@extractgroupnumber@i#1\@xs@nil\fi } \def\expandingroups{\let\@xs@expandingroups\exploregroups} \def\noexpandingroups{\let\@xs@expandingroups\noexploregroups} \def\StrExpand{\@testopt{\@xs@StrExpand}{1}} \long\def\@xs@StrExpand[#1]#2#3{% \begingroup \@xs@expandingroups \ifnum#1>\z@ \integerpart#1\relax \decimalpart\z@ \gdef\groupID{0}% \let\@xs@nestlevel\z@ \def\@xs@atendofgroup{% \expandafter\endgroup \expandafter\@xs@addtomacro\expandafter\@xs@reserved@B\expandafter{\expandafter{\@xs@reserved@B}}% \@xs@read@reserved@C }% \def\@xs@atbegingroup{\let\@xs@reserved@B\@empty}% \def\@xs@atnextsyntaxunit{% \expandafter\expandafter\expandafter\@xs@addtomacro \expandafter\expandafter\expandafter\@xs@reserved@B \expandafter\expandafter\expandafter{\@xs@reserved@A}% }% \def\@xs@reserved@C{#2}% \@xs@StrExpand@i{#1}% Appel de la macro r\'ecursive \else \def\@xs@reserved@B{#2}% \fi \global\let\@xs@reserved@B\@xs@reserved@B \endgroup \let#3\@xs@reserved@B \global\let\groupID\@empty } \long\def\@xs@StrExpand@i#1{% \ifnum#1>\z@ \let\@xs@reserved@B\@empty \@xs@read@reserved@C \let\@xs@reserved@C\@xs@reserved@B \def\@xs@reserved@A{\expandafter\@xs@StrExpand@i\expandafter{\number\numexpr#1-1}}% \else \let\@xs@reserved@A\relax \fi \@xs@reserved@A } \def\scancs{\@testopt{\@xs@scancs}{1}} \long\def\@xs@scancs[#1]#2#3{% \@xs@StrExpand[#1]{#3}{#2}% \edef#2{\detokenize\expandafter{#2}}% } % Restaure le code de @ \catcode`\@=\CurrentAtCatcode\relax % D\'efinit le d\'elimiteur verb % d\'efinit les diff\'erents modes et les m\'emorise \setverbdelim{|}% \fullexpandarg\saveexpandmode \comparenormal\savecomparemode \noexploregroups\saveexploremode \expandingroups \endinput % % Historique %------------------------------------------------------------------------------ %% v1.0 4/7/2008 : - Package achev\'e. % 7/7/2008 : - Package publi\'e sur CTAN. %------------------------------------------------------------------------------ % v1.1 15/8/2008 % - Le package ne n\'ecessite plus LaTeX et est d\'esormais utilisable sous % Plain eTeX. % - Ajout des macros \IfInteger et \IfDecimal. % Pour cette derni\`ere, la partie enti\`ere et la partie d\'ecimale sont % r\'ecup\'erables dans les compteurs \integerpart et \decimalpart. Ce % qu'il reste apr\`es qu'un caract\`ere non attendu soit rencontr\'e est % dispo dans \@xs@remainafterdecimal % - Correction d'un bug dans \tokenize : % suppression de l'expansion avec \normalexpandarg pour \'eviter le bug % avec les lettres accentu\'ees dans l'exemple : \tokenize\aa{\'e\`u} % - Am\'elioration du code de la plupart des macros. % - \'Ecriture d'une routine \@xs@newmacro d\'efinissant les macros. % - Suppression de tous les compteurs grace \`a \numexpr. % - Nouvelles fonctionnalit\'es internes dans : % \IfSubStr % ajout des chaines se trouvant avant et apr\`es l'occurrence test\'ee % dans les sc \@xs@behind@IfSubStr et \@xs@before@IfSubStr % \StrCount % a) ajout de ce qui se trouve apr\`es la derni\`ere occurrence dans la % sc \@xs@StrCount@afterlastocccur % b) la macro ne d\'epend plus d'aucune autre %------------------------------------------------------------------------------ % v1.2 23/8/2008 % - Am\'elioration du code de \StrMid \StrGobbleLeft, \StrLeft, % \StrGobbleRight et \StrRight \`a l'aide de la nouvelle macro % \@xs@StrSplit@i % - Nouveau test \IfStrEq qui compare 2 chaines % - Nouveau test \IfEq qui compare 2 chaines (ou 2 nombres si les 2 chaines % contiennent un nombre) % - Correction d'un bug dans \@xs@formatnumber. La macro n'envisageait pas le % cas o\`u son argument \'etait vide ce qui faiasait planter % \IfDecimal{}{V}{F} et \IfInteger{}{V}{F} %------------------------------------------------------------------------------ % v1.3 21/9/2008 % - Am\'elioration du code, mise en place de r\'ecursivit\'es terminales dans % toutes les macros r\'ecursives, simplification de \@xs@TestEqual en % utilisant \ifx % - Nouvelles macros \IfStrEqCase et \IfEqCase % Teste si une chaîne est \'egale \`a plusieurs chaînes donn\'ee et % ex\'ecute un code sp\'ecifique % - Cr\'eation de la macro publique \StrSplit % Coupe la chaine en 2 \`a une position donn\'ee % - Nouvelle macro \StrCompare % Compare 2 chaînes et renvoie la position du 1er caract\`ere diff\'erent. % Renvoie 0 si elles sont \'egales. %------------------------------------------------------------------------------ % v1.3a 29/9/2008 % - Correction d'un bug : \expandafter#1 % dans les macros \IfSubStrBefore et \StrBetween qui buggue si #1 est un % nombre > 9 ! % - R\'e \'ecriture de \@xs@returnfirstsyntaxunit et \@gobble qui % deviennent purement d\'eveloppables. % - R\'e \'ecriture de \StrLen % - Nouvelle macro interne \@xs@cutafteroccur % Coupe la chaine apr\`es la ni\`eme occurrence d'une sous chaine. % - Code am\'elior\'e de \StrMid, \StrLeft, \StrGobbleLeft, \StrRight, % \StrGobbleRight grace \`a \@xs@cutafteroccur %------------------------------------------------------------------------------ % v1.4 4/11/2008 % - xstring traite ses arguments par unit\'e syntaxique, et donc toutes les % macros internes ont \'et\'e r\'e-\'ecrites \`a cette fin. % - Le manuel a \'et\'e r\'e-\'ecrit, rendu plus clair et mieux structur\'e. % - Nouvelle fonctionnalit\'e : \expandarg % le 1er lex\`eme de chaque argument est 1-d\'evelopp\'e avant que la % macro ne soit appel\'ee. Si un argument comporte plus qu'1 lex\`eme, % il faut passer par \scancs*[1] pour 1-d\'evelopper toutes les unit\'es % syntaxiques. % - Correction de 2 erreurs dans le manuel anglais : 0 est la valeur par % d\'efaut dans \StrSubstitute et \StrDel % - Coh\'erence dans les nom des s\'equences de contr\^oles temporaires qui % sont d\'esormais : \@xs@reserved@A \`a \@xs@reserved@E %------------------------------------------------------------------------------ % v1.4a 12/11/2008 % - Correction d'un bug dans \@xs@StrSplit dans le cas o\`u l'argument % num\'erique est <1 : la 1ere coupure doit être vide et le seconde doit % être \'egale \`a l'argument. %------------------------------------------------------------------------------ % v1.4b 16/11/2008 % - Correction de 2 bugs dans \@xs@returnfirstsyntaxunit %------------------------------------------------------------------------------ % v1.5 31/12/2008 % - Nouvelles fonctionnalit\'es dans la recherche de groupes par un % identificateur caract\'erisant leur imbrication. Impl\'ementation de : % 1) \StrFindGroup % 2) \groupID % - Ajout des nouvelles macros g\'en\'eriques \@xs@read@reserved@C et % \@xs@read@reserved@D % - Correction d'un bug dans \StrSplit : \StrSplit{{a}bc}{1}[\truc] faisait % que \truc contenait «a{a}». % - Correction d'un bug dans \@xs@newmacro : l'argument optionnel \'etait % d\'etok\'enis\'e \`a tort dans les macros \'etoil\'ees. % - Dans \@xs@newmacro, on doit choisir le num\'ero du dernier argument devant % être d\'etok\'enis\'e dans le cas d'une macro \'etoil\'ee (sachant que % l'argument optionnel ne l'est jamais) %------------------------------------------------------------------------------ % v1.5a 09/2/2009 % - Nouvelle macro \StrExpand, sensible au mode d'exploration. La macro est % indépendante du mode d'exploration et dispose de ses propres commandes % d'exploration : \expandingroups et \noexpandingroups % - R\'e-\'ecriture de \scancs, qui devient triviale puisque d\'ependant de % \StrExpand. Il n'y a plus de version \'étoil\'ee et d\'esormais, \scancs % est sensible au mode d'exploration. % - Correction d'un bug dans \IfInteger : \IfInteger{2.0}{V}{F} affichait F % - Correction de bugs : mettre \let\@xs@reserved@E\relax avant d'appeler % \@xs@StrSplit@i % - Suppression des messages d'erreur, de warning et d'info. xstring devient % donc silencieux ;) % - Passage de 3 \'a 2 compteurs % - Le manuel est d\'esormais plus color\'e, en esp\'erant qu'il sera un peu % plus agr\'eable \`a lire ! %------------------------------------------------------------------------------ % v1.5b 13/3/2009 % - Modification d'un grand nombre de macros de telle sorte que vraiment % n'importe quel code peut d\'esormais \^etre plac\'e dans les arguments des % macros (comme par exemple des \if, \ifx ou autre, m\^eme sans leur \fi, ce % qui n'\'etait pas possible jusqu'alors) %------------------------------------------------------------------------------ % v1.5c 05/6/2009 % - Correction d'un bug dans \IfBeginWith : il faut appeler % \@xs@returnfirstsyntaxunit pour l'argument #2 puis pour l'argument #1 et % non pas l'inverse pour que \@xs@toks reflète ce qui se trouve dans #1 % - Correction d'un bug dans \@xs@returnfirstsyntaxunit au cas où #1 commence % par un espace : mettre \@xs@toks à 0 % - Correction d'un bug dans \@xs@returnfirstsyntaxunit : % \@xs@returnfirstsyntaxunit{{}}\truc % faisait que \truc se développait en un espace. % - Correction d'un bug dans \@xs@removefirstsyntaxunit où le cas % \@xs@removefirstsyntaxunit{ {b}}\truc % donnait \truc se développant en «b» au lieu de «{b}». %------------------------------------------------------------------------------ % v1.5d 28/3/2010 % - Correction d'un bug dans \IfInteger : \@xs@afterinteger ne donnait pas le % bon r\'esultat. Par exemple avec 1.23 il renvoyait {} au lieu de {.23} % - \xs@formatnumber ne detokenize plus ses arguments (que m'est-il pass\'e % par la t\^ete pour que je code un truc comme ca ?), et donc % \@xs@afterinteger et \@xs@afterdecimal ont des tokens ayant le bon % catcode %------------------------------------------------------------------------------ % v1.6 24/10/2012 % - Correction d'un bug dans \@xs@cutafteroccur au cas o\`u #3<1 % - \IfDecimal ne \detokenize plus l'argument. % - Nouvelle version de \tokenize qui enlevait les accolades si son argument % \'etait entre accolades % - Nouvelle macro \StrCut % - \@xs@cutafteroccur@i ne produit plus d'espace indésirable si #3 était % évalué par \numexpr %------------------------------------------------------------------------------ % v1.7 13/1/2013 % - Correction d'un manque de rigueur dans les assignations concernant % \groupID : elles sont toutes globales d\'esormais % - Les macros de xstring sont \long %------------------------------------------------------------------------------ % v1.7a 28/2/2013 % - Correction d'un espace parasite dans \@xs@removefirstsyntaxunit