Make it possible to compile against various Lucene versions (hopefully!)

m4/acx_clucene.m4

@@ -38,6 +38,9 @@ for flag in $with_clucene; do
 				if test -e "$flag/lib/libclucene.so"; then
 					CLUCENE_LIBS="-L$flag/lib -lclucene"
 					CLUCENE_CXXFLAGS="-I$flag/include -I$config_path"
+					clucene_ver=$(grep _CL_VERSION $config_path/CLucene/clucene-config.h | grep -Eo [[01]].[[0-9]]+.[[0-9]]+)
+					
+					echo Lucene ver: $clucene_ver
 					clucene_set_failed=$flag
 				fi
 			fi
@@ -62,6 +65,21 @@ else
 	AC_MSG_RESULT($clucene_set_failed)
 fi
 
+if test -z "$clucene_ver"; then
+	# optimistic guess :D
+	clucene_ver="1.0.0"
+fi
+clucene_apiver=$(echo -e "0.9.18\n$clucene_ver" | sort | head -n1)
+
+if test "$clucene_ver" == "$clucene_apiver"; then
+	CLUCENE_BONGO_API=1
+	echo Old Lucene API - Lucene Ver: $clucene_ver
+else
+	CLUCENE_BONGO_API=2
+	echo Current Lucene API - $clucene_ver
+fi
+
+AC_SUBST(CLUCENE_BONGO_API)
 AC_SUBST(CLUCENE_LIBS)
 AC_SUBST(CLUCENE_CXXFLAGS)
 

src/agents/store/Bongo.rules

@@ -3,6 +3,7 @@ sbin_PROGRAMS += bongostore
 
 bongostore_CPPFLAGS := $(AM_CPPFLAGS)		\
 	-I$(top_srcdir)/src/agents/store	\
+	-DCLUCENE_BONGO_API=$(CLUCENE_BONGO_API) \
 	$(SQLITE_CFLAGS)			\
 	$(CLUCENE_CXXFLAGS)
 

src/agents/store/lucene-index.cpp

@@ -6,6 +6,8 @@ extern "C" {
 
 #include "lucene-index.h"
 
+#if CLUCENE_BONGO_API == 1
+// pre-0.9.18 API
 
 // Keyword analyzer
 class KeywordAnalyzer : public Analyzer 
@@ -56,44 +58,27 @@ KeywordTokenizer::next(Token *token)
     }
     token->set(ioBuffer, 0, dataLen);
     return true;
-#if 0
-    while (true) {
-        TCHAR c;
-        offset++;
-        if (bufferIndex >= dataLen) {
-            dataLen = input->read(ioBuffer, LUCENE_IO_BUFFER_SIZE);
-            ioBuffer[dataLen] = 0;
-            bufferIndex = 0;
-        }
-
-        if (dataLen <= 0 ) {
-            if (length > 0) {
-                break;
-            } else {
-                return false;
-            }
-        } else {
-            c = ioBuffer[bufferIndex++];
-        }
-
-        if (length == 0) {
-            start = offset - 1;
-        }
-            
-        buffer[length++] = c;                
-        if (length == LUCENE_MAX_WORD_LEN) {
-            break;
-        };
-    }
-
-    buffer[length] = 0;
-    
-    token->set (buffer, start, start + length);
-    return true;        
-#endif
 }
 
+#endif // CLUCENE_BONGO_API == 1
 
+QueryParser *
+LuceneIndex::GetQueryParser()
+{
+
+    if (queryParser) {
+        return queryParser;
+    }
+    
+    queryParser = new QueryParser(_T("everything"), analyzer);
+#if CLUCENE_BONGO_API == 1
+    queryParser->setOperator(lucene::queryParser::QueryParserBase::AND_OPERATOR);
+#else
+    queryParser->setDefaultOperator(lucene::queryParser::QueryParserBase::AND_OPERATOR);
+#endif
+    
+    return queryParser;
+}
 
 LuceneIndex::LuceneIndex() : reader(NULL), 
                              writer(NULL), 
@@ -244,19 +229,3 @@ LuceneIndex::GetIndexSearcher()
     return searcher;
 }
 
-
-QueryParser *
-LuceneIndex::GetQueryParser()
-{
-
-    if (queryParser) {
-        return queryParser;
-    }
-    
-    queryParser = new QueryParser(_T("everything"), analyzer);
-    queryParser->setOperator(lucene::queryParser::QueryParserBase::AND_OPERATOR);
-    
-    return queryParser;
-}
-
-