Added `\thesis@patch`.

fithesis.dtx

@@ -52,11 +52,16 @@
 %<*class>
 \NeedsTeXFormat{LaTeX2e}
 % Define `\thesis@version` and store it in the `VERSION.tex` file \fi
-\def\thesis@version{2016/02/18 v0.3.32 fithesis3 MU thesis class}
+{\def\thesis@versiondef#1#2{
+  \gdef\thesis@version@number{#1}
+  \gdef\thesis@version@date{#2}
+  \gdef\thesis@version{#2 #1 fithesis3 MU thesis class}}
+\thesis@versiondef{v0.3.33}{2016/02/19}}
 % {\newwrite\f\openout\f=VERSION\write\f{\thesis@version}\closeout\f}
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %
+% \changes{v0.3.33}  {2016/02/19}{Added \cs{thesis@patch}.}
 % \changes{v0.3.32}  {2016/02/18}{Fixed a regression from 
 %   v0.3.27:2 -- The margins in \cs{thesis@blocks@mainMatter} were
 %   corrected in the style files of the Faculty of Economics and
@@ -1510,6 +1515,31 @@
     \language\csname l@\thesis@locale\endcsname
   }}
 %    \end{macrocode}
+% \begin{macro}{\thesis@patch}
+% The |\thesis@patch|\oarg{versions}\oarg{patch} macro expands
+% \textit{patch}, if |\thesis@version|\texttt{\discretionary{@}^^A
+% {@}{@}}|number| (defined at the top of the file
+% \texttt{fithesis3.cls}) matches any of the comma-delimited
+% \textit{versions}. This macro enables the simple deployment of
+% version-targeted patches.
+%    \begin{macrocode}
+\def\thesis@patch#1#2{%
+  \def\thesis@patch@versions{#1}%
+  \def\thesis@patch@action{#2}%
+  \def\thesis@patch@next##1,{%
+    \def\thesis@patch@arg{##1}%
+    \def\thesis@patch@relax{\relax}%
+    \ifx\thesis@patch@arg\thesis@version@number
+      \def\thesis@patch@next####1\relax,{}%
+      \expandafter\thesis@patch@action
+      \expandafter\thesis@patch@next
+    \else\ifx\thesis@patch@arg\thesis@patch@relax\else
+      \expandafter\expandafter\expandafter\thesis@patch@next
+    \fi\fi}%
+  \expandafter\expandafter\expandafter\thesis@patch@next
+  \expandafter\thesis@patch@versions\expandafter,\relax,}
+%    \end{macrocode}
+% \end{macro}
 % \iffalse
 %</class>
 % ^^A Old fithesis classes