扩展 \GetTranslation 的输出

Question

我希望我理解得expand正确，如果没有，请随时纠正。

我正在为简历编写一个类。在其中，我有一个自定义环境，它接受将用作标题的强制参数。由于我需要多种语言的简历，所以我决定包含该translations包。现在在我的类中，我想为翻译后的字符串设置样式并输出结果，但不幸的是，这不起作用。我想这是因为我的样式是针对关键字\GetTranslation{foo}后面的字符串而不是翻译后的字符串进行的foo。

那么我该如何告诉我的函数首先评估翻译，然后将样式应用到翻译的字符串？

---

平均能量损失

\documentclass[ngerman]{article}



% %%%%%%%%%%%%%%%%
% Require Packages
% %%%%%%%%%%%%%%%%

\usepackage{%
    xcolor,%
    environ,%
    babel,%
    translations,%
}



% %%%%%%%%%%%%%%%
% Define Commands
% %%%%%%%%%%%%%%%

% Define the listcolor list
\newcounter{listcolor}
\makeatletter
    \newcommand{\addlistcolor}[1]{%
        \stepcounter{listcolor}%
        \@namedef{titlecolor@\thelistcolor}{#1}%
    }
\makeatother

% Choose the title color
\newcounter{titlecolor}
\newcommand{\colortitle}[3]{%
    \expandafter\textcolor\expandafter{\csname titlecolor@\thetitlecolor\endcsname}{#1#2#3}%
}



% %%%%%%%%%%%%%%%%%%%
% Define environments
% %%%%%%%%%%%%%%%%%%%

% Define the entrylist environment
\NewEnviron{entrylist}[1]{%
    \stepcounter{titlecolor}%
    \ifnum\value{titlecolor}>\value{listcolor}
        \setcounter{titlecolor}{1}%
    \fi
    \par\addvspace{1em}
    \begingroup
        \LARGE\bfseries\MakeLowercase{\expandafter\colortitle #1\relax}
        \par\nobreak
    \endgroup
    \BODY
}



% %%%%%%%%%%%%%%%%%
% Declare Variables
% %%%%%%%%%%%%%%%%%

% List colors
\addlistcolor{red}
\addlistcolor{green}
\addlistcolor{blue}
\addlistcolor{yellow}

% Translations
\DeclareTranslationFallback{test}{Test}
\DeclareTranslation{English}{test}{Test}
\DeclareTranslation{German}{test}{Test}



\begin{document}

\begin{entrylist}{\GetTranslation{test} 1}
Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor 
invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua.
\end{entrylist}

\begin{entrylist}{\GetTranslation{test} 2}
Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor 
invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua.
\end{entrylist}

\begin{entrylist}{\GetTranslation{test} 3}
Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor 
invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua.
\end{entrylist}

\begin{entrylist}{\GetTranslation{test} 4}
Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor 
invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua.
\end{entrylist}

\begin{entrylist}{\GetTranslation{test} 5}
Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor 
invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua.
\end{entrylist}

\end{document}

---

还有红色这理解代码。

Answer 1

您可以expl3不做任何改变地使用该实现。

\documentclass{article}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[english,ngerman]{babel}

\usepackage{
  xcolor,
  environ,
  translations,
  xparse,
}

\ExplSyntaxOn

% entry list
\NewDocumentEnvironment{entrylist}{m}
 {
  % space the entries
  \par\addvspace{\topsep}
  % open a group to confine the \LARGE font
  \group_begin:
  \LARGE\bfseries\noindent
  % color the first three letters after lowercasing
  \sam_entries_color_argument:n { #1 }
  % end the line and allow no page break
  \par\nobreak
  % end the group
  \group_end:
  % typeset the entry
  \noindent\ignorespaces
 }
 {
  % end the paragraph and add the space
  \par\addvspace{\topsep}
  % increment the counter
  \int_gincr:N \g_sam_entries_color_int
 }

% two needed variables
\int_new:N \g_sam_entries_color_int
\tl_new:N \l__sam_entries_title_tl

% the main command
\cs_new_protected:Nn \sam_entries_color_argument:n
 {
  % lowercase the argument
  % the f-expansion means that \tl_lower_case:n is performed
  % and also the argument is expanded up to the first nonexpandable
  % token; if \GetTranslation appears first it will be expanded
  % correctly
  \tl_set:Nf \l__sam_entries_title_tl { \tl_lower_case:n { #1 } }
  % replace spaces with a macro for counting right
  % the counting can go wrong if there are spaces,
  % so we change explicit spaces into \c_space_tl
  \tl_replace_all:Nnn \l__sam_entries_title_tl { ~ } { \c_space_tl }
  \textcolor
   {% pick the color from the sequence, dividing modulo the number of colors
    \seq_item:Nn \g_sam_entries_colors_seq
     {
      \int_mod:nn { \g_sam_entries_color_int } { \__sam_entries_colors: } + 1
     }
   }
   {% just the first three items are colored
    % \tl_range:nnn { tokens } { 1 } { 3 }
    % returns the first three items; we use the V variant
    % so the tokens come from the variable we set up
    \tl_range:Vnn \l__sam_entries_title_tl { 1 } { 3 }
   }
   % the rest of the argument
   \tl_range:Vnn \l__sam_entries_title_tl { 4 } { \tl_count:V \l__sam_entries_title_tl }
 }
\cs_generate_variant:Nn \tl_range:nnn { V }

% color list
% add to the sequence holding the colors, see the example calls
% for the syntax
\NewDocumentCommand{\addtocolorlist}{m}
 {
  \clist_map_inline:nn { #1 } { \seq_gput_right:Nn \g_sam_entries_colors_seq { ##1 } }
 }
\seq_new:N \g_sam_entries_colors_seq
\cs_new:Nn \__sam_entries_colors:
 {
  \seq_count:N \g_sam_entries_colors_seq
 }

\ExplSyntaxOff

\addtocolorlist{red,green,blue}
\addtocolorlist{yellow}


% Translations
\DeclareTranslationFallback{test}{Test}
\DeclareTranslation{English}{test}{TestEnglish}
\DeclareTranslation{German}{test}{TestGermän}



\begin{document}

\begin{entrylist}{\GetTranslation{test} 1}
Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor 
invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua.
\end{entrylist}

\begin{entrylist}{\GetTranslation{test} 2}
Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor 
invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua.
\end{entrylist}

\begin{entrylist}{\GetTranslation{test} 3}
Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor 
invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua.
\end{entrylist}

\begin{otherlanguage*}{english}
\begin{entrylist}{\GetTranslation{test} 4}
Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor 
invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua.
\end{entrylist}
\end{otherlanguage*}

\begin{entrylist}{\GetTranslation{test} 5}
Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor 
invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua.
\end{entrylist}

\end{document}