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+%%
+%% Die DANTE-Edition
+%% Ein Beispiel der LaTeX Referenz
+%% 3. Auflage
+%%
+%%
+%% Copyright (C) 2013 Herbert Voss
+%%
+%% It 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.
+%%
+%% See http://www.latex-project.org/lppl.txt for details.
+%%
+%%
+%% ====
+% Show page(s) 1
+%%
+%%
+\documentclass[]{exaarticle}
+\pagestyle{empty}
+\setlength\textwidth{193.16928pt}
+\setlength\parindent{0pt}
+\usepackage{xtemplate,xparse}
+\ExplSyntaxOn
+\DeclareObjectType { names } { 2 }
+
+% das Interface für das Template `fullname':
+\DeclareTemplateInterface { names } { fullname } { 2 }
+ {
+ reversed : boolean = false ,
+ use-last-name : boolean = true ,
+ use-first-name : boolean = true ,
+ last-name-format : tokenlist ,
+ first-name-format : tokenlist ,
+ }
+% das Interface für das Template `initial':
+\DeclareTemplateInterface { names } { initial } { 2 }
+ {
+ reversed : boolean = false ,
+ use-last-name : boolean = true ,
+ use-first-name : boolean = true ,
+ last-name-format : tokenlist ,
+ first-name-format : tokenlist ,
+ last-name-initial : boolean = false ,
+ first-name-initial : boolean = true ,
+ }
+
+% erst einmal die Variablen:
+\bool_new:N \l_names_reversed_bool
+\bool_new:N \l_names_use_last_bool
+\bool_new:N \l_names_use_first_bool
+\tl_new:N \l_names_last_format_tl
+\tl_new:N \l_names_first_format_tl
+
+% und dann der Template-Code:
+\DeclareTemplateCode { names } { fullname } { 2 }
+ {
+ reversed = \l_names_reversed_bool ,
+ use-last-name = \l_names_use_last_bool ,
+ use-first-name = \l_names_use_first_bool ,
+ last-name-format = \l_names_last_format_tl ,
+ first-name-format = \l_names_first_format_tl ,
+ }
+ {
+ \AssignTemplateKeys
+ \bool_if:NTF \l_names_reversed_bool
+ {
+ \bool_if:NT \l_names_use_last_bool
+ { { \tl_use:N \l_names_last_format_tl #2 } }
+ \bool_if:nT { \l_names_use_first_bool && \l_names_use_last_bool }
+ { , ~ }
+ \bool_if:NT \l_names_use_first_bool
+ { { \tl_use:N \l_names_first_format_tl #1 } }
+ }
+ {
+ \bool_if:NT \l_names_use_first_bool
+ { { \tl_use:N \l_names_first_format_tl #1 } }
+ \bool_if:nT { \l_names_use_first_bool && \l_names_use_last_bool }
+ { \tl_use:N \c_space_tl }
+ \bool_if:NT \l_names_use_last_bool
+ { { \tl_use:N \l_names_last_format_tl #2 } }
+ }
+ }
+
+% zwei weitere Variablen:
+\bool_new:N \l_names_last_initial_bool
+\bool_new:N \l_names_first_initial_bool
+
+% Hilfsfunktion:
+\cs_new:Npn \names_get_initial:w #1#2 \q_stop { #1 . }
+
+% der Template-Code:
+\DeclareTemplateCode { names } { initial } { 2 }
+ {
+ reversed = \l_names_reversed_bool ,
+ use-last-name = \l_names_use_last_bool ,
+ use-first-name = \l_names_use_first_bool ,
+ last-name-format = \l_names_last_format_tl ,
+ first-name-format = \l_names_first_format_tl ,
+ last-name-initial = \l_names_last_initial_bool ,
+ first-name-initial = \l_names_first_initial_bool ,
+ }
+ {
+ \AssignTemplateKeys
+ \bool_if:NTF \l_names_reversed_bool
+ {
+ \bool_if:NT \l_names_use_last_bool
+ {
+ \group_begin:
+ \tl_use:N \l_names_last_format_tl
+ \bool_if:NTF \l_names_last_initial_bool
+ { \names_get_initial:w #2 \q_stop }
+ { #2 }
+ \group_end:
+ }
+ \bool_if:nT { \l_names_use_first_bool && \l_names_use_last_bool }
+ { , ~ }
+ \bool_if:NT \l_names_use_first_bool
+ {
+ \group_begin:
+ \tl_use:N \l_names_first_format_tl
+ \bool_if:NTF \l_names_first_initial_bool
+ { \names_get_initial:w #1 \q_stop }
+ { #1 }
+ \group_end:
+ }
+ }
+ {
+ \bool_if:NT \l_names_use_first_bool
+ {
+ \group_begin:
+ \tl_use:N \l_names_first_format_tl
+ \bool_if:NTF \l_names_first_initial_bool
+ { \names_get_initial:w #1 \q_stop }
+ { #1 }
+ \group_end:
+ }
+ \bool_if:nT { \l_names_use_first_bool && \l_names_use_last_bool }
+ { \tl_use:N \c_space_tl }
+ \bool_if:NT \l_names_use_last_bool
+ {
+ \group_begin:
+ \tl_use:N \l_names_last_format_tl
+ \bool_if:NTF \l_names_last_initial_bool
+ { \names_get_initial:w #2 \q_stop }
+ { #2 }
+ \group_end:
+ }
+ }
+ }
+
+% ein paar Instanzen, erst mal mit dem Template `fullname':
+\DeclareInstance { names } { standard } { fullname } {}
+\DeclareInstance { names } { it-rev } { fullname }
+ {
+ first-name-format = \itshape ,
+ reversed = true
+ }
+\DeclareInstance { names } { first-only } { fullname }
+ { use-last-name = false }
+% und dann mit `initial':
+\DeclareInstance { names } { init-first } { initial } {}
+\DeclareInstance { names } { init-it-rev } { initial }
+ {
+ first-name-format = \itshape ,
+ reversed = true
+ }
+\DeclareInstance { names } { init-all } { initial }
+ { last-name-initial = true }
+
+% eine weitere Hilfsvariable:
+\tl_new:N \l_names_instance_tl
+\tl_set:Nn \l_names_instance_tl { standard }
+
+% der interne Befehl:
+\cs_new:Npn \names_typeset_name:nnn #1#2#3
+ {
+ \IfInstanceExistTF { names } { #1 }
+ { \UseInstance { names } { #1 } }
+ { \UseInstance { names } { standard } }
+ { #2 } { #3 }
+ }
+\cs_generate_variant:Nn \names_typeset_name:nnn { V }
+
+% der Benutzerbefehl:
+\DeclareDocumentCommand \name { o > { \SplitArgument { 1 } { ~ } } m }
+ {
+ \group_begin:
+ \IfNoValueF { #1 } { \tl_set:Nn \l_names_instance_tl { #1 } }
+ \names_typeset_name:Vnn \l_names_instance_tl #2
+ \group_end:
+ }
+\ExplSyntaxOff
+%StartShownPreambleCommands
+\usepackage{xtemplate,xparse}
+\usepackage[T1]{fontenc}
+\usepackage{libertine}
+\usepackage[utf8]{inputenc}
+%StopShownPreambleCommands
+\begin{document}
+\name{Herbert Voß} \\
+\name[it-rev]{Herbert Voß} \\
+\name[first-only]{Herbert Voß} \\
+\name[init-first]{Herbert Voß} \\
+\name[init-it-rev]{Herbert Voß} \\
+\name[init-all]{Herbert Voß}
+\end{document}