64 lines
3.1 KiB
TeX
64 lines
3.1 KiB
TeX
%%
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%% This is file `metakeys.sty',
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%% generated with the docstrip utility.
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%%
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%% The original source files were:
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%%
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%% metakeys.dtx (with options: `package')
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%%
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\NeedsTeXFormat{LaTeX2e}[1999/12/01]
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\ProvidesPackage{metakeys}[2011/07/03 v0.9 Framework for Metadata Keys]
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\newif\ifmetakeys@showmeta\metakeys@showmetafalse
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\DeclareOption{showmeta}{\metakeys@showmetatrue}
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\ProcessOptions
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\RequirePackage{keyval}[1997/11/10]
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\newcommand\addmetakey{\@ifstar\addmetakey@star\addmetakey@nostar}
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\newcommand\addmetakey@star[3][]%
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{\@ifnextchar[{\addmetakey@star@aux[#1]{#2}{#3}}{\addmetakey@star@aux[#1]{#2}{#3}[]}}
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\def\addmetakey@star@aux[#1]#2#3[#4]{\metakeys@ext@clear@keys{#2}{#3}{#1}%
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\metakeys@initialize@showkeys{#2}%
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\define@key{#2}{#3}[#4]{\expandafter\gdef\csname #2@#3\endcsname{##1}}}
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\newcommand\addmetakey@nostar[3][]%
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{\metakeys@ext@showkeys{#2}{#3}\addmetakey@star[#1]{#2}{#3}}
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\newcommand\metasetkeys[2]{\@nameuse{clear@#1@keys}\setkeys{#1}{#2}%
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\ifmetakeys@showmeta%
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\edef\@@keys{\@nameuse{#1@showkeys}}%
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\metakeys@show@keys{#1}{\@for\@I:=\@@keys\do{\metakeys@show@keyval{#1}{\@I}}}%
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\fi}
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\newcommand\metakeys@ext@clear@keys[3]{\@metakeys@ext@clear@keys{#1}{#1@#2}{#3}}
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\newcommand\@metakeys@ext@clear@keys[3]{\@ifundefined{clear@#1@keys}%
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{\expandafter\gdef\csname clear@#1@keys\endcsname%
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{\expandafter\gdef\csname #2\endcsname{#3}}}%
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{\expandafter\g@addto@macro\csname clear@#1@keys\endcsname%
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{\expandafter\gdef\csname #2\endcsname{#3}}}}
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\newcommand\addmetalistkey{\@ifstar\addmetalistkey@star\addmetalistkey@nostar}
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\newcommand\addmetalistkey@star[3][]{\metakeys@ext@clear@keys{#2}{#3}{#1}%
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\metakeys@initialize@showkeys{#2}%
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\expandafter\gdef\csname #2@#3s\endcsname{}
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\define@key{#2}{#3}[#1]{%
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\expandafter\ifx\csname #2@#3s\endcsname\@empty\expandafter\gdef\csname #2@#3s\endcsname{##1}%
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\else\expandafter\xdef\csname #2@#3s\endcsname{\csname #2@#3s\endcsname,##1}%
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\fi}}
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\newcommand\addmetalistkey@nostar[3][]%
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{\metakeys@ext@showkeys{#2}{#3}\addmetalistkey@star[#1]{#2}{#3}}
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\newcommand\metakeys@initialize@showkeys[1]%
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{\@ifundefined{#1@showkeys}{\expandafter\def\csname #1@showkeys\endcsname{}}{}}%
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\newcommand\metakeys@ext@showkeys[2]{\@ifundefined{#1@showkeys}%
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{\expandafter\def\csname #1@showkeys\endcsname{#2}}%
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{\expandafter\edef\csname #1@showkeys\endcsname{\csname #1@showkeys\endcsname,#2}}}
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\newcommand\@metakeys@show@key[2]{\metakeys@show@key{#2}{#1}}
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\newcommand\metakeys@show@key[2]{\edef\@test{#2}\ifx\@test\@empty\else #1:#2\quad\fi}
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\newcommand\metakeys@show@keys[2]{\marginpar{{\scriptsize #2}}}
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\newcommand\metakeys@show@keyval[2]%
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{\expandafter\@metakeys@show@key\csname #1@#2\endcsname{#2}}
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\newcommand\showmetakeys{\metakeys@showmetatrue}
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\newcommand\hidemetakeys{\metakeys@showmetafalse}
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\newcommand\addmetakeynew[3][]{\metakeys@ext@clear@keys{#2}{#3}{#1}%
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\define@key{#2}{#3}{\expandafter\gdef\csname #2@#3\endcsname{##1}}}
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\newcommand\metakeys@unspecified{an metakeys-defined key left unspecified}
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\newcommand\metakeysifus[4]{\message{testing #1@#2=\csname#1@#2\endcsname}%
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\expandafter\ifx\csname #1@#2\endcsname\metakeys@unspecified{#3}\else{#4}\fi}
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\endinput
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%%
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%% End of file `metakeys.sty'.
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