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-rw-r--r--macros/latex/contrib/crumbs/crumbs.sty83
1 files changed, 51 insertions, 32 deletions
diff --git a/macros/latex/contrib/crumbs/crumbs.sty b/macros/latex/contrib/crumbs/crumbs.sty
index 2b497078da..17194892c0 100644
--- a/macros/latex/contrib/crumbs/crumbs.sty
+++ b/macros/latex/contrib/crumbs/crumbs.sty
@@ -21,13 +21,19 @@
% SOFTWARE.
\NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{crumbs}[2021/09/09 0.2.2 Navigation Crumbs]
+\ProvidesPackage{crumbs}[2021/09/12 0.3.0 Navigation Crumbs]
+
+\makeatletter\newif\ifcrumbs@dry\makeatother
+\makeatletter\DeclareOption{dry}{\crumbs@drytrue}\makeatother
+\makeatletter\newif\ifcrumbs@increment\makeatother
+\makeatletter\DeclareOption{increment}{\crumbs@incrementtrue}\makeatother
+\ProcessOptions\relax
\RequirePackage{etoolbox}
% see https://tex.stackexchange.com/a/12414/1449
-\makeatletter\newcommand\back{\@backslashchar}\makeatother
-\makeatletter\newcommand\percent{\@percentchar}\makeatother
+\makeatletter\newcommand\crumbs@back{\@backslashchar}\makeatother
+% \makeatletter\newcommand\crumbs@percent{\@percentchar}\makeatother
\RequirePackage{catchfile}
\newwrite\appendwrite
\newcommand*\appendtofile[2]{%
@@ -49,46 +55,59 @@
\fi
}
-\NewCommandCopy\crumbsoldsection\section
-\renewcommand\section[2][]{
- \def\temp{#1}
- \ifx\crumbs\empty
+\makeatletter\newcommand\crumbection[2][]{%
+ \def\temp{#1}%
+ \ifx\crumbs\empty%
\appendtofile{\jobname.crumbs}{
- \back ifx \back crumbs \back empty
- \back gappto \back crumbs{\back setcounter{crumbi}{0}}
- \back fi
- \back gappto\back crumbs{\back stepcounter{crumbi}\back crumb{\ifx\temp\empty #2\else #1\fi}{#2}}
- }
- \fi
- \crumbsoldsection{#2}
-}
+ \crumbs@back ifx \crumbs@back crumbs \crumbs@back empty
+ \crumbs@back gappto \crumbs@back crumbs{\crumbs@back setcounter{crumbi}{0}}
+ \crumbs@back fi
+ \crumbs@back gappto\crumbs@back crumbs{\crumbs@back stepcounter{crumbi}\crumbs@back crumb{\ifx\temp\empty #2\else #1\fi}{#2}}
+ }%
+ \fi%
+ \ifcrumbs@increment\stepcounter{section}\fi%
+}\makeatother
-\NewCommandCopy\crumbsoldsubsection\subsection
-\renewcommand\subsection[2][]{
- \def\temp{#1}
- \ifx\crumbs\empty
+\makeatletter\newcommand\subcrumbection[2][]{%
+ \def\temp{#1}%
+ \ifx\crumbs\empty%
\appendtofile{\jobname.crumbs}{
- \back ifcsname crumbs\romannumeral\the\value{section}\back endcsname\back else
- \back expandafter\back newcommand\back csname crumbs\romannumeral\the\value{section}\back endcsname{%
- \back setcounter{subcrumbi}{0}
+ \crumbs@back ifcsname crumbs\romannumeral\the\value{section}\crumbs@back endcsname\crumbs@back else
+ \crumbs@back expandafter\crumbs@back newcommand\crumbs@back csname crumbs\romannumeral\the\value{section}\crumbs@back endcsname{%
+ \crumbs@back setcounter{subcrumbi}{0}
}
- \back fi
- \back expandafter\back gappto\back csname crumbs\romannumeral\the\value{section}\back endcsname{%
- \back stepcounter{subcrumbi}
- \back subcrumb{\ifx\temp\empty #2\else #1\fi}{#2}
+ \crumbs@back fi
+ \crumbs@back expandafter\crumbs@back gappto\crumbs@back csname crumbs\romannumeral\the\value{section}\crumbs@back endcsname{%
+ \crumbs@back stepcounter{subcrumbi}
+ \crumbs@back subcrumb{\ifx\temp\empty #2\else #1\fi}{#2}
}
- }
- \fi
- \crumbsoldsubsection{#2}
-}
+ }%
+ \fi%
+ \ifcrumbs@increment\stepcounter{subsection}\fi%
+}\makeatother
+
+\makeatletter\ifcrumbs@dry
+ \message{Since "dry" mode is ON we don't renew "section" and "subsection" commands}
+\else
+ \NewCommandCopy\crumbs@oldsection\section
+ \renewcommand\section[2][]{%
+ \crumbection[#1]{#2}%
+ \crumbs@oldsection{#2}%
+ }
+ \NewCommandCopy\crumbs@oldsubsection\subsection
+ \renewcommand\subsection[2][]{%
+ \subcrumbection[#1]{#2}%
+ \crumbs@oldsubsection{#2}%
+ }
+\fi\makeatletter
\ifcsname crumb\endcsname
- \message{The command "crumb" already defined}
+ \message{The command "crumb" is already defined}
\else
\newcommand\crumb[2]{#1}
\fi
\ifcsname subcrumb\endcsname
- \message{The command "crumb" already defined}
+ \message{The command "subcrumb" is already defined}
\else
\newcommand\subcrumb[2]{#1}
\fi