Add some debug bits for type detection code.

The code is used only during debugging and needs to be explicitly
enabled by setting DEBUG_TYPE_DETECTION to 1 and inserting the function
that prints debug outputs.

Change-Id: I72f31eb86f7fcc99030e3bb6c2a869d076b066fd

3 files changed, 32 insertions, 11 deletions

diff --git a/filter/source/config/cache/cacheitem.cxx b/filter/source/config/cache/cacheitem.cxx
index 005285d1524c..d33c3fb9e364 100644
--- a/filter/source/config/cache/cacheitem.cxx
+++ b/filter/source/config/cache/cacheitem.cxx
@@ -389,6 +389,9 @@ sal_Bool CacheItem::dontHaveProps(const CacheItem& lProps) const
     return sal_True;
 }
 
+FlatDetectionInfo::FlatDetectionInfo() :
+    bMatchByExtension(false), bMatchByPattern(false), bPreselectedByDocumentService(false) {}
+
     } // namespace config
 } // namespace filter
 
diff --git a/filter/source/config/cache/cacheitem.hxx b/filter/source/config/cache/cacheitem.hxx
index 33e7272d4df8..5e018905aa4b 100644
--- a/filter/source/config/cache/cacheitem.hxx
+++ b/filter/source/config/cache/cacheitem.hxx
@@ -206,26 +206,21 @@ typedef ::boost::unordered_map< ::rtl::OUString                    ,
             structure can decide then, if a deep detection should be
             suppressed e.g. if an URLPattern was used.
  */
-struct  FlatDetectionInfo
+struct FlatDetectionInfo
 {
     // the internal type name
     ::rtl::OUString sType;
 
     // this type was found by a matching the URL extension
-    sal_Bool bMatchByExtension;
+    bool bMatchByExtension;
 
     // this type was found by a matching URL Pattern
-    sal_Bool bMatchByPattern;
+    bool bMatchByPattern;
 
     // the user selected this type implicit by selecting a corresponding office module
-    sal_Bool bPreselectedByDocumentService;
-
-    FlatDetectionInfo()
-        : sType                        (::rtl::OUString())
-        , bMatchByExtension            (sal_False        )
-        , bMatchByPattern              (sal_False        )
-        , bPreselectedByDocumentService(sal_False        )
-    {}
+    bool bPreselectedByDocumentService;
+
+    FlatDetectionInfo();
 };
 
 typedef ::std::list< FlatDetectionInfo > FlatDetection;
diff --git a/filter/source/config/cache/typedetection.cxx b/filter/source/config/cache/typedetection.cxx
index f3772e524101..e7c0bc048e17 100644
--- a/filter/source/config/cache/typedetection.cxx
+++ b/filter/source/config/cache/typedetection.cxx
@@ -34,6 +34,13 @@
 #include <unotools/localfilehelper.hxx>
 #include <comphelper/processfactory.hxx>
 
+#define DEBUG_TYPE_DETECTION 0
+
+#if DEBUG_TYPE_DETECTION
+#include <iostream>
+using std::cout;
+using std::endl;
+#endif
 
 namespace filter{
     namespace config{
@@ -226,6 +233,22 @@ struct EqualByName : public std::binary_function<FlatDetectionInfo, FlatDetectio
     }
 };
 
+#if DEBUG_TYPE_DETECTION
+void printFlatDetectionList(const char* caption, const FlatDetection& types)
+{
+    cout << "-- " << caption << endl;
+    FlatDetection::const_iterator it = types.begin(), itEnd = types.end();
+    for (; it != itEnd; ++it)
+    {
+        const FlatDetectionInfo& item = *it;
+        cout << "  type='" << item.sType << "'; match by extension (" << item.bMatchByExtension
+            << "); match by pattern (" << item.bMatchByPattern << "); pre-selected by doc service ("
+            << item.bPreselectedByDocumentService << ")" << endl;
+    }
+    cout << "--" << endl;
+}
+#endif
+
 }
 
 ::rtl::OUString SAL_CALL TypeDetection::queryTypeByDescriptor(css::uno::Sequence< css::beans::PropertyValue >& lDescriptor,