Making the use of DOT_CLEANUP more transparent

- The setting `DOT_CLEANUP` is not only used for `dot` files but also for temporary `msc` and `plantuml` files, though this was not clear from the documentation.
- For the docbook output format the removal of the `dot` and `msc` files was not don like in the output formats html / LatTeX / rtf.

2 files changed, 8 insertions, 3 deletions

diff --git a/src/config.xml b/src/config.xml
index 0ec4219..9077f04 100644
--- a/src/config.xml
+++ b/src/config.xml
@@ -3690,11 +3690,14 @@ add type and arguments for attributes and methods in the UML graphs.
 ]]>
       </docs>
     </option>
-    <option type='bool' id='DOT_CLEANUP' defval='1' depends='HAVE_DOT'>
+    <option type='bool' id='DOT_CLEANUP' defval='1'>
       <docs>
 <![CDATA[
 If the \c DOT_CLEANUP tag is set to \c YES, doxygen will
-remove the intermediate dot files that are used to generate the various graphs.
+remove the intermediate files that are used to generate the various graphs.
+ <br>Note:
+This setting is not only used for dot files but also for msc and plantuml
+temporary files.
 ]]>
       </docs>
     </option>
diff --git a/src/docbookvisitor.cpp b/src/docbookvisitor.cpp
index bf6c827..d444b7b 100644
--- a/src/docbookvisitor.cpp
+++ b/src/docbookvisitor.cpp
@@ -356,12 +356,13 @@ DB_VIS_C
         QFile file(baseName+".dot");
         if (!file.open(IO_WriteOnly))
         {
-          err("Could not open file %s.msc for writing\n",baseName.data());
+          err("Could not open file %s.dot for writing\n",baseName.data());
         }
         file.writeBlock( stext, stext.length() );
         file.close();
         writeDotFile(baseName, s);
         m_t << "</para>" << endl;
+        if (Config_getBool(DOT_CLEANUP)) file.remove();
       }
       break;
     case DocVerbatim::Msc:
@@ -388,6 +389,7 @@ DB_VIS_C
         file.close();
         writeMscFile(baseName,s);
         m_t << "</para>" << endl;
+        if (Config_getBool(DOT_CLEANUP)) file.remove();
       }
       break;
     case DocVerbatim::PlantUML: