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% arara: pdflatex: {shell: yes, files: [latexindent]}
\subsubsection{Environments and their arguments}\label{subsubsec:env-and-their-args}
There are a few different YAML switches governing the indentation of environments; let's
start with the code shown in \cref{lst:myenvtex}.
\cmhlistingsfromfile{demonstrations/myenvironment-simple.tex}{\texttt{myenv.tex}}{lst:myenvtex}
\yamltitle{noAdditionalIndent}*{fields}
If we do not wish \texttt{myenv} to receive any additional indentation, we have a
few choices available to us, as demonstrated in \cref{lst:myenv-noAdd1,lst:myenv-noAdd2}.
\begin{minipage}{.45\textwidth}
\cmhlistingsfromfile[style=yaml-LST]*{demonstrations/myenv-noAdd1.yaml}[width=.8\linewidth,before=\centering,yaml-TCB]{\texttt{myenv-noAdd1.yaml}}{lst:myenv-noAdd1}
\end{minipage}
\hfill
\begin{minipage}{.45\textwidth}
\cmhlistingsfromfile[style=yaml-LST]*{demonstrations/myenv-noAdd2.yaml}[width=.8\linewidth,before=\centering,yaml-TCB]{\texttt{myenv-noAdd2.yaml}}{lst:myenv-noAdd2}
\end{minipage}
On applying either of the following commands,
\begin{commandshell}
latexindent.pl myenv.tex -l myenv-noAdd1.yaml
latexindent.pl myenv.tex -l myenv-noAdd2.yaml
\end{commandshell}
we obtain the output given in \cref{lst:myenv-output}; note in particular that the
environment \texttt{myenv} has not received any \emph{additional}
indentation, but that the \texttt{outer} environment \emph{has} still
received indentation.
\cmhlistingsfromfile{demonstrations/myenvironment-simple-noAdd-body1.tex}{\texttt{myenv.tex} output (using either \cref{lst:myenv-noAdd1} or \cref{lst:myenv-noAdd2})}{lst:myenv-output}
Upon changing the YAML files to those shown in \cref{lst:myenv-noAdd3,lst:myenv-noAdd4}, and running either
\begin{commandshell}
latexindent.pl myenv.tex -l myenv-noAdd3.yaml
latexindent.pl myenv.tex -l myenv-noAdd4.yaml
\end{commandshell}
we obtain the output given in \cref{lst:myenv-output-4}.
\begin{minipage}{.45\textwidth}
\cmhlistingsfromfile[style=yaml-LST]*{demonstrations/myenv-noAdd3.yaml}[width=.8\linewidth,before=\centering,yaml-TCB]{\texttt{myenv-noAdd3.yaml}}{lst:myenv-noAdd3}
\end{minipage}
\hfill
\begin{minipage}{.45\textwidth}
\cmhlistingsfromfile[style=yaml-LST]*{demonstrations/myenv-noAdd4.yaml}[width=.8\linewidth,before=\centering,yaml-TCB]{\texttt{myenv-noAdd4.yaml}}{lst:myenv-noAdd4}
\end{minipage}
\cmhlistingsfromfile{demonstrations/myenvironment-simple-noAdd-body4.tex}{\texttt{myenv.tex output} (using either \cref{lst:myenv-noAdd3} or \cref{lst:myenv-noAdd4})}{lst:myenv-output-4}
Let's now allow \texttt{myenv} to have some optional and mandatory arguments, as
in \cref{lst:myenv-args}.
\cmhlistingsfromfile{demonstrations/myenvironment-args.tex}{\texttt{myenv-args.tex}}{lst:myenv-args}
Upon running
\begin{commandshell}
latexindent.pl -l=myenv-noAdd1.yaml myenv-args.tex
\end{commandshell}
we obtain the output shown in \cref{lst:myenv-args-noAdd1}; note that the optional argument,
mandatory argument and body \emph{all} have received no additional indent.
This is because, when \texttt{noAdditionalIndent} is specified in `scalar' form (as in
\cref{lst:myenv-noAdd1}), then \emph{all} parts of the environment (body,
optional and mandatory arguments) are assumed to want no additional indent.
\cmhlistingsfromfile{demonstrations/myenvironment-args-noAdd-body1.tex}{\texttt{myenv-args.tex} using \cref{lst:myenv-noAdd1}}{lst:myenv-args-noAdd1}
We may customise \texttt{noAdditionalIndent} for optional and mandatory arguments of the
\texttt{myenv} environment, as shown in, for example, \cref{lst:myenv-noAdd5,lst:myenv-noAdd6}.
\begin{minipage}{.49\textwidth}
\cmhlistingsfromfile[style=yaml-LST]*{demonstrations/myenv-noAdd5.yaml}[width=.8\linewidth,before=\centering,yaml-TCB]{\texttt{myenv-noAdd5.yaml}}{lst:myenv-noAdd5}
\end{minipage}
\hfill
\begin{minipage}{.49\textwidth}
\cmhlistingsfromfile[style=yaml-LST]*{demonstrations/myenv-noAdd6.yaml}[width=.8\linewidth,before=\centering,yaml-TCB]{\texttt{myenv-noAdd6.yaml}}{lst:myenv-noAdd6}
\end{minipage}
Upon running
\begin{commandshell}
latexindent.pl myenv.tex -l myenv-noAdd5.yaml
latexindent.pl myenv.tex -l myenv-noAdd6.yaml
\end{commandshell}
we obtain the respective outputs given in \cref{lst:myenv-args-noAdd5,lst:myenv-args-noAdd6}. Note that in
\cref{lst:myenv-args-noAdd5} the text for the \emph{optional} argument has not
received any additional indentation, and that in \cref{lst:myenv-args-noAdd6} the
\emph{mandatory} argument has not received any additional indentation; in both
cases, the \emph{body} has not received any additional indentation.
\begin{minipage}{.45\textwidth}
\cmhlistingsfromfile{demonstrations/myenvironment-args-noAdd5.tex}{\texttt{myenv-args.tex} using \cref{lst:myenv-noAdd5}}{lst:myenv-args-noAdd5}
\end{minipage}
\hfill
\begin{minipage}{.45\textwidth}
\cmhlistingsfromfile{demonstrations/myenvironment-args-noAdd6.tex}{\texttt{myenv-args.tex} using \cref{lst:myenv-noAdd6}}{lst:myenv-args-noAdd6}
\end{minipage}
\yamltitle{indentRules}*{fields}
We may also specify indentation rules for environment code blocks using the
\texttt{indentRules} field; see, for example, \cref{lst:myenv-rules1,lst:myenv-rules2}.
\begin{cmhtcbraster}[raster column skip=.1\linewidth]
\cmhlistingsfromfile[style=yaml-LST]*{demonstrations/myenv-rules1.yaml}[width=.8\linewidth,before=\centering,yaml-TCB]{\texttt{myenv-rules1.yaml}}{lst:myenv-rules1}
\cmhlistingsfromfile[style=yaml-LST]*{demonstrations/myenv-rules2.yaml}[width=.8\linewidth,before=\centering,yaml-TCB]{\texttt{myenv-rules2.yaml}}{lst:myenv-rules2}
\end{cmhtcbraster}
On applying either of the following commands,
\begin{commandshell}
latexindent.pl myenv.tex -l myenv-rules1.yaml
latexindent.pl myenv.tex -l myenv-rules2.yaml
\end{commandshell}
we obtain the output given in \cref{lst:myenv-rules-output}; note in particular that the
environment \texttt{myenv} has received one tab (from the
\texttt{outer} environment) plus three spaces from \cref{lst:myenv-rules1} or
\ref{lst:myenv-rules2}.
\cmhlistingsfromfile[showtabs=true,showspaces=true]{demonstrations/myenv-rules1.tex}{\texttt{myenv.tex} output (using either \cref{lst:myenv-rules1} or \cref{lst:myenv-rules2})}{lst:myenv-rules-output}
If you specify a field in \texttt{indentRules} using anything other than horizontal
space, it will be ignored.
Returning to the example in \cref{lst:myenv-args} that contains optional and mandatory
arguments. Upon using \cref{lst:myenv-rules1} as in
\begin{commandshell}
latexindent.pl myenv-args.tex -l=myenv-rules1.yaml
\end{commandshell}
we obtain the output in \cref{lst:myenv-args-rules1}; note that the body, optional argument
and mandatory argument of \texttt{myenv} have \emph{all} received
the same customised indentation. \cmhlistingsfromfile[showtabs=true,showspaces=true]{demonstrations/myenvironment-args-rules1.tex}{\texttt{myenv-args.tex} using \cref{lst:myenv-rules1}}{lst:myenv-args-rules1}
You can specify different indentation rules for the different features using, for
example, \cref{lst:myenv-rules3,lst:myenv-rules4}
\begin{minipage}{.49\textwidth}
\cmhlistingsfromfile[style=yaml-LST]*{demonstrations/myenv-rules3.yaml}[width=.9\linewidth,before=\centering,yaml-TCB]{\texttt{myenv-rules3.yaml}}{lst:myenv-rules3}
\end{minipage}
\hfill
\begin{minipage}{.49\textwidth}
\cmhlistingsfromfile[style=yaml-LST]*{demonstrations/myenv-rules4.yaml}[width=.9\linewidth,before=\centering,yaml-TCB]{\texttt{myenv-rules4.yaml}}{lst:myenv-rules4}
\end{minipage}
After running
\begin{commandshell}
latexindent.pl myenv-args.tex -l myenv-rules3.yaml
latexindent.pl myenv-args.tex -l myenv-rules4.yaml
\end{commandshell}
then we obtain the respective outputs given in \cref{lst:myenv-args-rules3,lst:myenv-args-rules4}.
\begin{widepage}
\begin{minipage}{.5\textwidth}
\cmhlistingsfromfile[showtabs=true,showspaces=true]{demonstrations/myenvironment-args-rules3.tex}{\texttt{myenv-args.tex} using \cref{lst:myenv-rules3}}{lst:myenv-args-rules3}
\end{minipage}%
\hfill
\begin{minipage}{.5\textwidth}
\cmhlistingsfromfile[showtabs=true,showspaces=true]{demonstrations/myenvironment-args-rules4.tex}{\texttt{myenv-args.tex} using \cref{lst:myenv-rules4}}{lst:myenv-args-rules4}
\end{minipage}
\end{widepage}
Note that in \cref{lst:myenv-args-rules3}, the optional argument has only received a single
space of indentation, while the mandatory argument has received the default (tab)
indentation; the environment body has received three spaces of indentation.
In \cref{lst:myenv-args-rules4}, the optional argument has received the default (tab)
indentation, the mandatory argument has received two tabs of indentation, and the body
has received three spaces of indentation.
\yamltitle{noAdditionalIndentGlobal}*{fields}
\begin{wrapfigure}[6]{r}[0pt]{7cm}
\cmhlistingsfromfile[style=noAdditionalIndentGlobalEnv]*{../defaultSettings.yaml}[width=.8\linewidth,before=\centering,yaml-TCB]{\texttt{noAdditionalIndentGlobal}}{lst:noAdditionalIndentGlobal:environments}
\end{wrapfigure}
Assuming that your environment name is not found within neither \texttt{noAdditionalIndent}
nor \texttt{indentRules}, the next place that \texttt{latexindent.pl} will look is
\texttt{noAdditionalIndentGlobal}, and in particular \emph{for the environments} key (see
\cref{lst:noAdditionalIndentGlobal:environments}). Let's say that you change the value of \texttt{environments}
to \texttt{1} in \cref{lst:noAdditionalIndentGlobal:environments}, and that you run
\begin{widepage}
\begin{commandshell}
latexindent.pl myenv-args.tex -l env-noAdditionalGlobal.yaml
latexindent.pl myenv-args.tex -l myenv-rules1.yaml,env-noAdditionalGlobal.yaml
\end{commandshell}
\end{widepage}
The respective output from these two commands are in \cref{lst:myenv-args-no-add-global1,lst:myenv-args-no-add-global2}; in
\cref{lst:myenv-args-no-add-global1} notice that \emph{both} environments receive no
additional indentation but that the arguments of \texttt{myenv} still
\emph{do} receive indentation. In \cref{lst:myenv-args-no-add-global2} notice that the
\emph{outer} environment does not receive additional indentation, but because
of the settings from \texttt{myenv-rules1.yaml} (in \vref{lst:myenv-rules1}), the \texttt{myenv} environment
still \emph{does} receive indentation.
\begin{minipage}{.45\textwidth}
\cmhlistingsfromfile{demonstrations/myenvironment-args-rules1-noAddGlobal1.tex}{\texttt{myenv-args.tex} using \cref{lst:noAdditionalIndentGlobal:environments}}{lst:myenv-args-no-add-global1}
\end{minipage}
\hfill
\begin{minipage}{.45\textwidth}
\cmhlistingsfromfile{demonstrations/myenvironment-args-rules1-noAddGlobal2.tex}{\texttt{myenv-args.tex} using \cref{lst:noAdditionalIndentGlobal:environments,lst:myenv-rules1}}{lst:myenv-args-no-add-global2}
\end{minipage}
In fact, \texttt{noAdditionalIndentGlobal} also contains keys that control the indentation of
optional and mandatory arguments; on referencing \cref{lst:opt-args-no-add-glob,lst:mand-args-no-add-glob}
\begin{minipage}{.49\textwidth}
\cmhlistingsfromfile[style=yaml-LST]*{demonstrations/opt-args-no-add-glob.yaml}[width=.8\linewidth,before=\centering,yaml-TCB]{\texttt{opt-args-no-add-glob.yaml}}{lst:opt-args-no-add-glob}
\end{minipage}
\hfill
\begin{minipage}{.49\textwidth}
\cmhlistingsfromfile[style=yaml-LST]*{demonstrations/mand-args-no-add-glob.yaml}[width=.8\linewidth,before=\centering,yaml-TCB]{\texttt{mand-args-no-add-glob.yaml}}{lst:mand-args-no-add-glob}
\end{minipage}
we may run the commands
\begin{commandshell}
latexindent.pl myenv-args.tex -local opt-args-no-add-glob.yaml
latexindent.pl myenv-args.tex -local mand-args-no-add-glob.yaml
\end{commandshell}
which produces the respective outputs given in \cref{lst:myenv-args-no-add-opt,lst:myenv-args-no-add-mand}. Notice that in
\cref{lst:myenv-args-no-add-opt} the \emph{optional} argument has not received any
additional indentation, and in \cref{lst:myenv-args-no-add-mand} the \emph{mandatory}
argument has not received any additional indentation.
\begin{minipage}{.45\textwidth}
\cmhlistingsfromfile{demonstrations/myenvironment-args-rules1-noAddGlobal3.tex}{\texttt{myenv-args.tex} using \cref{lst:opt-args-no-add-glob}}{lst:myenv-args-no-add-opt}
\end{minipage}
\hfill
\begin{minipage}{.45\textwidth}
\cmhlistingsfromfile{demonstrations/myenvironment-args-rules1-noAddGlobal4.tex}{\texttt{myenv-args.tex} using \cref{lst:mand-args-no-add-glob}}{lst:myenv-args-no-add-mand}
\end{minipage}
\yamltitle{indentRulesGlobal}*{fields}
\begin{wrapfigure}[4]{r}[0pt]{7cm}
\cmhlistingsfromfile[style=indentRulesGlobalEnv]*{../defaultSettings.yaml}[width=.8\linewidth,before=\centering,yaml-TCB]{\texttt{indentRulesGlobal}}{lst:indentRulesGlobal:environments}
\end{wrapfigure}
The final check that \texttt{latexindent.pl} will make is to look for
\texttt{indentRulesGlobal} as detailed in \cref{lst:indentRulesGlobal:environments}; if you change the
\texttt{environments} field to anything involving horizontal space, say
\lstinline!" "!, and then run the following commands
\begin{commandshell}
latexindent.pl myenv-args.tex -l env-indentRules.yaml
latexindent.pl myenv-args.tex -l myenv-rules1.yaml,env-indentRules.yaml
\end{commandshell}
then the respective output is shown in \cref{lst:myenv-args-indent-rules-global1,lst:myenv-args-indent-rules-global2}. Note that in
\cref{lst:myenv-args-indent-rules-global1}, both the environment blocks have received a single-space
indentation, whereas in \cref{lst:myenv-args-indent-rules-global2} the \texttt{outer} environment
has received single-space indentation (specified by \texttt{indentRulesGlobal}), but
\texttt{myenv} has received \lstinline!" "!, as specified by the
particular \texttt{indentRules} for \texttt{myenv} \vref{lst:myenv-rules1}.
\begin{minipage}{.45\textwidth}
\cmhlistingsfromfile[showspaces=true]{demonstrations/myenvironment-args-global-rules1.tex}{\texttt{myenv-args.tex} using \cref{lst:indentRulesGlobal:environments}}{lst:myenv-args-indent-rules-global1}
\end{minipage}
\hfill
\begin{minipage}{.45\textwidth}
\cmhlistingsfromfile[showspaces=true]{demonstrations/myenvironment-args-global-rules2.tex}{\texttt{myenv-args.tex} using \cref{lst:myenv-rules1,lst:indentRulesGlobal:environments}}{lst:myenv-args-indent-rules-global2}
\end{minipage}
You can specify \texttt{indentRulesGlobal} for both optional and mandatory arguments, as
detailed in \cref{lst:opt-args-indent-rules-glob,lst:mand-args-indent-rules-glob}
\begin{minipage}{.49\textwidth}
\cmhlistingsfromfile[style=yaml-LST]*{demonstrations/opt-args-indent-rules-glob.yaml}[width=.9\linewidth,before=\centering,yaml-TCB]{\texttt{opt-args-indent-rules-glob.yaml}}{lst:opt-args-indent-rules-glob}
\end{minipage}
\hfill
\begin{minipage}{.49\textwidth}
\cmhlistingsfromfile[style=yaml-LST]*{demonstrations/mand-args-indent-rules-glob.yaml}[width=.9\linewidth,before=\centering,yaml-TCB]{\texttt{mand-args-indent-rules-glob.yaml}}{lst:mand-args-indent-rules-glob}
\end{minipage}
Upon running the following commands
\begin{commandshell}
latexindent.pl myenv-args.tex -local opt-args-indent-rules-glob.yaml
latexindent.pl myenv-args.tex -local mand-args-indent-rules-glob.yaml
\end{commandshell}
we obtain the respective outputs in \cref{lst:myenv-args-indent-rules-global3,lst:myenv-args-indent-rules-global4}. Note that the
\emph{optional} argument in \cref{lst:myenv-args-indent-rules-global3} has received two tabs worth
of indentation, while the \emph{mandatory} argument has done so in
\cref{lst:myenv-args-indent-rules-global4}.
\begin{widepage}
\begin{minipage}{.55\textwidth}
\cmhlistingsfromfile[showtabs=true]{demonstrations/myenvironment-args-global-rules3.tex}{\texttt{myenv-args.tex} using \cref{lst:opt-args-indent-rules-glob}}{lst:myenv-args-indent-rules-global3}
\end{minipage}
\hfill
\begin{minipage}{.55\textwidth}
\cmhlistingsfromfile[showtabs=true]{demonstrations/myenvironment-args-global-rules4.tex}{\texttt{myenv-args.tex} using \cref{lst:mand-args-indent-rules-glob}}{lst:myenv-args-indent-rules-global4}
\end{minipage}
\end{widepage}
|
