1 files changed, 104 insertions, 0 deletions
diff --git a/3rdparty/clucene/src/CLucene/index/SegmentMergeInfo.cpp b/3rdparty/clucene/src/CLucene/index/SegmentMergeInfo.cpp
new file mode 100644
index 000000000..85ac784ad
--- /dev/null
+++ b/3rdparty/clucene/src/CLucene/index/SegmentMergeInfo.cpp
@@ -0,0 +1,104 @@
+/*------------------------------------------------------------------------------
+* Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team
+* 
+* Distributable under the terms of either the Apache License (Version 2.0) or 
+* the GNU Lesser General Public License, as specified in the COPYING file.
+------------------------------------------------------------------------------*/
+#include "CLucene/StdHeader.h"
+#include "SegmentMergeInfo.h"
+
+#include "SegmentTermEnum.h"
+#include "SegmentHeader.h"
+
+CL_NS_DEF(index)
+
+SegmentMergeInfo::SegmentMergeInfo(const int32_t b, TermEnum* te, IndexReader* r):
+    reader(r),termEnum(te),base(b), docMap(NULL) {
+//Func - Constructor
+//Pre  - b >= 0
+//       te contains a valid reference to a SegmentTermEnum instance
+//       r contains a valid reference to a SegmentReader instance
+//Post - The instance has been created
+
+    CND_PRECONDITION(b >= 0, "b is a negative number");
+
+    postings=NULL;
+	term   = te->term();
+}
+
+SegmentMergeInfo::~SegmentMergeInfo(){
+//Func - Destructor
+//Pre  - true
+//Post - The instance has been destroyed
+
+  close();
+}
+
+int32_t* SegmentMergeInfo::getDocMap(){
+	if ( docMap == NULL ){
+      	// build array which maps document numbers around deletions 
+		if (reader->hasDeletions()) {
+			//Get the total number of documents managed by the reader including the deleted ones
+			int32_t maxDoc = reader->maxDoc();
+			//Create a map for all documents
+			docMap = _CL_NEWARRAY(int32_t,maxDoc);
+			int32_t j = 0;
+			//Iterate through all the document numbers
+			for (int32_t i = 0; i < maxDoc; i++) {
+            //Check if document i is marked deleted
+				if (reader->isDeleted(i)){
+					//Document i has not been marked deleted so assign -1
+					docMap[i] = -1;
+				}else{
+					docMap[i] = j++;
+				}
+			}
+		}
+	}
+	return docMap;
+}
+
+TermPositions* SegmentMergeInfo::getPositions() {
+    if (postings == NULL) {
+    	postings = reader->termPositions();
+    }
+    return postings;
+}
+
+
+bool SegmentMergeInfo::next() {
+//Func - Moves the current term of the enumeration termEnum to the next and term
+//       points to this new current term
+//Pre  - true
+//Post - Returns true if the term has been moved to the next otherwise false
+	if (termEnum->next()) {
+		_CLDECDELETE(term);
+		term = termEnum->term();
+		return true;
+	} else {
+		_CLDECDELETE(term); //TODO: test HighFreqTerms errors with this
+		term = NULL;
+		return false;
+	}
+}
+
+void SegmentMergeInfo::close() {
+//Func - Closes the the resources
+//Pre  - true
+//Post - The resources have been closed
+
+    //First make sure posting has been closed
+    if ( postings != NULL ){
+        postings->close();
+        _CLVDELETE(postings); //todo: not a clucene object... should be
+    }
+
+    if ( termEnum != NULL ){
+        termEnum->close();
+        _CLDELETE(termEnum);
+    }
+	_CLDECDELETE(term);
+	_CLDELETE_ARRAY(docMap);
+}
+
+CL_NS_END