Add support for Poppler >= 21.08.

This resolves issue #34.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

config.h.cmake

@@ -1,6 +1,7 @@
 #cmakedefine VERSION "@VERSION@"
 
 // poppler-tqt
+#cmakedefine HAVE_POPPLER_2108
 #cmakedefine HAVE_POPPLER_086
 #cmakedefine HAVE_POPPLER_083
 #cmakedefine HAVE_POPPLER_082

tdefile-plugins/dependencies/poppler-tqt/ConfigureChecks.cmake

@@ -24,7 +24,7 @@ check_cxx_source_compiles("
   HAVE_POPPLER_030 )
 tde_restore( CMAKE_REQUIRED_INCLUDES CMAKE_REQUIRED_LIBRARIES )
 
-foreach( _poppler_ver 0.58 0.64 0.70 0.71 0.72 0.76 0.82 0.83 0.86 )
+foreach( _poppler_ver 0.58 0.64 0.70 0.71 0.72 0.76 0.82 0.83 0.86 21.08 )
   string( REPLACE "." "" _poppler_str "${_poppler_ver}" )
   if( NOT DEFINED HAVE_POPPLER_${_poppler_str} )
     message( STATUS "Performing Test HAVE_POPPLER_${_poppler_str}" )

tdefile-plugins/dependencies/poppler-tqt/poppler-document.cpp

@@ -278,9 +278,14 @@ TQDateTime Document::getDate( const TQString & type ) const
 #endif
   if (!obj.isNull() && obj.isString())
   {
-    TQString s = UnicodeParsedString(obj.getString());
+#   if defined(HAVE_POPPLER_2108)
+    const GooString *s = obj.getString();
+#   else
+    TQString tqs = UnicodeParsedString(obj.getString());
+    const char *s = tqs.latin1();
+#   endif
     // TODO do something with the timezone information
-    if ( parseDateString( s.latin1(), &year, &mon, &day, &hour, &min, &sec, &tz, &tz_hour, &tz_minute ) )
+    if (parseDateString(s, &year, &mon, &day, &hour, &min, &sec, &tz, &tz_hour, &tz_minute))
     {
       TQDate d( year, mon, day );  //CHECK: it was mon-1, Jan->0 (??)
       TQTime t( hour, min, sec );