rework proof package: refproof and proof environments functional

src/wip/proof.pysty

@@ -1,6 +1,7 @@
 __HEADER__(Automatic references to theorems in proofs. Claim counters within proofs)
 
 \RequirePackage{xkeyval}
+\RequirePackage{refcount}
 
 __LANGUAGE_OPTIONS_X__
 
@@ -22,52 +23,59 @@ __NEW_IF__(hyperref,false)
 \AtBeginDocument{
     \@ifpackageloaded{hyperref}{
         __SET_IF__(hyperref,true)
-        \def\grab#1{\expandafter\@firstoffive#1}
-        \def__PACKAGE_MACRO__(blankref)#1{\expandafter\grab\csname r@#1\endcsname}
         \let__PACKAGE_MACRO__(autoref)\autoref
     }{
         __SET_IF__(hyperref,true)
-        \let__PACKAGE_MACRO__(blankref)\ref
         \let__PACKAGE_MACRO__(autoref)\ref
     }
 }
 
-\NewDocumentEnvironment{rproof}{m O{}}{\def__PACKAGE_MACRO__(aster){\relax}\begin{__PACKAGE_PREFIX__rproof@impl}{#1}[#2]}{\end{__PACKAGE_PREFIX__rproof@impl}}
+\let__PACKAGE_MACRO__(saved@proof)\proof
-\NewDocumentEnvironment{rproof*}{m O{}}{\def__PACKAGE_MACRO__(aster){*}\begin{__PACKAGE_PREFIX__rproof@impl}{#1}[#2]}{\end{__PACKAGE_PREFIX__rproof@impl}}
+\let__PACKAGE_MACRO__(saved@endproof)\endproof
 
-\NewDocumentEnvironment{__PACKAGE_PREFIX__rproof@impl}{m O{}}
+\NewDocumentEnvironment{refproof}{s m o}
 {
     % Restore correct counter for claim
-    \ifcsdef{the__PACKAGE_PREFIX__#1@save@claim}{
+    \ifcsdef{the__PACKAGE_PREFIX__#2@save@claim}{
-        \setcounter{claim}{\value{__PACKAGE_PREFIX__#1@save@claim}}
+        \setcounter{claim}{\value{__PACKAGE_PREFIX__#2@save@claim}}
-        \def__PACKAGE_MACRO__(proofprefix){__IF__(english) Continuation of proof__PACKAGE_MACRO__(aster)\space of\else Fortsetzung des Beweises__PACKAGE_MACRO__(aster)\space zu\fi}
+        \def__PACKAGE_MACRO__(proofprefix){__IF__(english) Continuation of proof\IfBooleanT{#1}{*}\space of\else Fortsetzung des Beweises\IfBooleanT{#1}{*}\space zu\fi}
-        \edef\haha{\value{__PACKAGE_PREFIX__#1@part}}
     }{
-        \newcounter{__PACKAGE_PREFIX__#1@save@claim}
+        \newcounter{__PACKAGE_PREFIX__#2@save@claim}
         \setcounter{claim}{0}
-        \def__PACKAGE_MACRO__(proofprefix){__IF__(english) Proof__PACKAGE_MACRO__(aster)\space of\else Beweis__PACKAGE_MACRO__(aster)\space von\fi}
+        \def__PACKAGE_MACRO__(proofprefix){__IF__(english) Proof\ifBooleanT{#1}{*}\space of\else Beweis\IfBooleanT{#1}{*}\space von\fi}
     }
     % Set up counter number printing as subindexed by numbering of the reference
     \let__PACKAGE_MACRO__(theoldclaim)\theclaim
-    \def\theclaim{__PACKAGE_MACRO__(blankref){#1}.__PACKAGE_MACRO__(theoldclaim)}
+    \def\theclaim{\getrefnumber{#2}.__PACKAGE_MACRO__(theoldclaim)}
     % Now, start the actual proof
-    \begin{proof}[__PACKAGE_MACRO__(proofprefix)\space__PACKAGE_MACRO__(autoref){#1}\if\relax\detokenize{#2}\relax\else\space(#2)\fi]
+    __PACKAGE_MACRO__(saved@proof)[__PACKAGE_MACRO__(proofprefix)\space__PACKAGE_MACRO__(autoref){#2}\IfValueT{#3}{\space(#3)}]
 }
 {
-    \end{proof} % End proof
+    __PACKAGE_MACRO__(saved@endproof) % End proof
     % Save current claim counter for later restoration
-    \setcounter{__PACKAGE_PREFIX__#1@save@claim}{\value{claim}}
+    \setcounter{__PACKAGE_PREFIX__#2@save@claim}{\value{claim}}
 }
 
 % Proof (with asterisk)
-\NewDocumentEnvironment{proof*}{O{}}
+\AtBeginDocument{
+    \RenewDocumentEnvironment{proof}{s o}
     {
-    \if\relax\detokenize{#1}\relax\begin{proof}[__IF__(english) Proof\emph{*}\else Beweis\emph{*}\fi]\else\begin{proof}[#1\emph{*}]\fi
+        \IfNoValueTF{#2}{
+            __PACKAGE_MACRO__(saved@proof)[
+                __IF__(english)
+                    Proof\IfBooleanT{#1}{\emph{*}}
+                \else
+                    Beweis\IfBooleanT{#1}{\emph{*}}
+                \fi
+            ]
+        }{
+            __PACKAGE_MACRO__(saved@proof)[__IF__(english) Proof\else Beweis\fi\IfBooleanT{#1}{\emph{*}}\space(#2)]
+        }
     }
     {
-    \end{proof}
+        __PACKAGE_MACRO__(saved@endproof)
+    }
 }
-
 
 %%subproof environment - essentially copied proof environment from amsthm and modified its name + symbol
 \DeclareRobustCommand{\blackqed}{%

tests/wip/proof/test.tex

@@ -12,18 +12,18 @@
     Man sollte nach Würzburg fahren.
 \end{theorem}
 
-\begin{rproof}{thm:krass}
+\begin{refproof}*{thm:krass}[hi]
     \begin{claim}\label{cl:qed}
        Der QED ist toll.
    \end{claim}
    Um \autoref{cl:qed} zu beweisen, brauchen wir zunächst ein Lemma. 
-\end{rproof}
+\end{refproof}
 
 \begin{lemma}\label{lm:krass}
     Mathevereine sind krass.
 \end{lemma}
 
-\begin{rproof}{lm:krass}
+\begin{refproof}{lm:krass}[quasi ein Fakt]
     \begin{claim}
         Mathe ist cool.
     \end{claim}
@@ -31,11 +31,11 @@
         trivial.
     \end{subproof}
     Damit folgt nun das Lemma.
-\end{rproof}
+\end{refproof}
 
 Nun kommen wir wieder zurück zum eigentlichen Beweis:
 
-\begin{rproof}{thm:krass}
+\begin{refproof}{thm:krass}[hi]
     \begin{claim}\label{cl:würzburg}
         Der QED macht ein Seminar in Würzburg
     \end{claim}
@@ -43,6 +43,23 @@ Nun kommen wir wieder zurück zum eigentlichen Beweis:
         Zu prüfen in der DB. Fakt!
     \end{subproof}
 Aus \autoref{cl:qed}   und \autoref{cl:würzburg} folgt nun die Aussage. 
-\end{rproof}
+\end{refproof}
-test
+
+a
+\begin{proof}
+    first
+\end{proof}
+a
+\begin{proof}[anm]
+    second
+\end{proof}
+a
+\begin{proof}*
+    third
+\end{proof}
+a
+\begin{proof}*[anm]
+    fourth
+\end{proof}
+
 \end{document}