Be more flexible with CC licenses

Signed-off-by: Sven Strickroth <email@cs-ware.de>
gi-ev · May 6, 2023 · f7217d8 · csware · May 6, 2023 · sieversMartin
1 parent 1b0e498
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Showing 4 changed files with 33 additions and 5 deletions.
diff --git a/lni-author-template.tex b/lni-author-template.tex
@@ -26,6 +26,7 @@
 \booktitle{Name-der-Konferenz} % Name of book title
 \yearofpublication{2017}
 %%%\lnidoi{18.18420/provided-by-editor-02} % if known
+%%%\setcctype{by-sa} % can be: zero, by, by-sa, by-nc, by-nd, by-nc-sa, by-nc-nd
 \maketitle
 
 \begin{abstract}

diff --git a/lni-paper-example-de.tex b/lni-paper-example-de.tex
@@ -51,6 +51,7 @@
 \booktitle{Name-der-Konferenz} % Name des Tagungsband; optional Kurztitel
 \yearofpublication{2017}
 %%%\lnidoi{18.18420/provided-by-editor-02} % Falls bekannt
+%%%\setcctype{by-sa} % Möglichkeiten: zero, by, by-sa, by-nc, by-nd, by-nc-sa, by-nc-nd
 \maketitle
 
 \begin{abstract}

diff --git a/lni.cls b/lni.cls
@@ -384,11 +384,24 @@
   \end{center}%
   \AddToShipoutPictureBG*{\AtPageLowerLeft{%
     \put(\LenToUnit{\the\doihoffset},\LenToUnit{\the\doivoffset}){%
-      \ifusehyperref
-        \href{https://creativecommons.org/licenses/by-sa/4.0/}{\ccbysa}
-      \else
-        \ccbysa
-      \fi
+      \ifdefempty{\@lni@cc@type}{}{
+        \IfEq{\@lni@cc@type}{zero}{%
+         \def\@lni@CC@Url{https://creativecommons.org/publicdomain/zero/1.0/}\def\@lni@CC@Icon{\cczero}}{%
+        \edef\@lni@CC@Url{https://creativecommons.org/licenses/\@lni@cc@type/\@lni@cc@version/}%
+        \IfEq{\@lni@cc@type}{by}{\def\@lni@CC@Icon{\ccby}}{%
+        \IfEq{\@lni@cc@type}{by-sa}{\def\@lni@CC@Icon{\ccbysa}}{%
+        \IfEq{\@lni@cc@type}{by-nc-sa}{\def\@lni@CC@Icon{\ccbyncsa}}{%
+        \IfEq{\@lni@cc@type}{by-nc}{\def\@lni@CC@Icon{\ccbync}}{%
+        \IfEq{\@lni@cc@type}{by-nd}{\def\@lni@CC@Icon{\ccbynd}}{%
+        \IfEq{\@lni@cc@type}{by-nc-nd}{\def\@lni@CC@Icon{\ccbyncnd}}{%
+        \message{Invalid value for setcctype}%
+        }}}}}}}%
+        \ifusehyperref
+          \href{\@lni@CC@Url}{\@lni@CC@Icon}
+        \else
+          \@lni@CC@Icon
+        \fi
+      }
       \ifdefempty{\@lnidoi}{}{
         \footnotesize
         \ifusehyperref
@@ -615,6 +628,10 @@
 \newcommand*{\BPMN}{\lni@initialism{bpmn}}
 \newcommand*{\BPEL}{\lni@initialism{bpel}}
 \newcommand*{\UML}{\lni@initialism{uml}}
+\newcommand\setcctype[2][4.0]{%
+  \def\@lni@cc@version{#1}%
+  \def\@lni@cc@type{#2}}
+\setcctype{}
 \renewenvironment{thebibliography}[1]
 {\iflnienglish\selectlanguage{english}\else\selectlanguage{ngerman}\fi
    \section*{\refname}%

diff --git a/lni.dtx b/lni.dtx
@@ -522,6 +522,15 @@ This work consists of the file  lni.dtx
 % \lnidoi{18.18420/se2016_01}
 % \end{examplecode}
 %
+% \DescribeMacro{\setcctype\space(new in v1.X)}%
+% In order to include a information about the CC licentse on the title page,
+% the license and the version can be specified using the \cs{setcctype} macro.
+% The version is optional and defaults to 4.0. Possible values are:
+% zero, by, by-sa, by-nc, by-nd, by-nc-sa, by-nc-nd.
+% \begin{examplecode}[label={lst:setcctype}]
+% \setcctype[version]{by-sa}
+% \end{examplecode}
+%
 % Finally \cs{maketitle} will output the formatted title page.
 %
 % \subsection{Abstract and keywords}