1 files changed, 101 insertions, 0 deletions
diff --git a/3rdparty/clucene/src/CLucene/index/SegmentTermPositions.cpp b/3rdparty/clucene/src/CLucene/index/SegmentTermPositions.cpp
new file mode 100644
index 000000000..e481838e9
--- /dev/null
+++ b/3rdparty/clucene/src/CLucene/index/SegmentTermPositions.cpp
@@ -0,0 +1,101 @@
+/*------------------------------------------------------------------------------
+* 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 "SegmentHeader.h"
+
+#include "Terms.h"
+
+CL_NS_USE(util)
+CL_NS_DEF(index)
+
+SegmentTermPositions::SegmentTermPositions(const SegmentReader* _parent):
+  SegmentTermDocs(_parent){
+//Func - Constructor
+//Pre  - Parent != NULL
+//Post - The instance has been created
+
+    CND_PRECONDITION(_parent != NULL, "Parent is NULL");
+    
+    proxStream = _parent->proxStream->clone();
+    
+    CND_CONDITION(proxStream != NULL,"proxStream is NULL");
+    
+    position  = 0;
+    proxCount = 0;
+}
+
+SegmentTermPositions::~SegmentTermPositions() {
+//Func - Destructor
+//Pre  - true
+//Post - The intance has been closed
+    close();
+}
+
+TermDocs* SegmentTermPositions::__asTermDocs(){
+    return (TermDocs*) this;
+}
+TermPositions* SegmentTermPositions::__asTermPositions(){
+    return (TermPositions*) this;
+}
+
+void SegmentTermPositions::seek(const TermInfo* ti) {
+    SegmentTermDocs::seek(ti);
+    if (ti != NULL)
+        proxStream->seek(ti->proxPointer);
+    proxCount = 0;
+}
+
+void SegmentTermPositions::close() {
+//Func - Frees the resources
+//Pre  - true
+//Post - The resources  have been freed
+
+    SegmentTermDocs::close();
+    //Check if proxStream still exists
+    if(proxStream){
+        proxStream->close();         
+        _CLDELETE( proxStream );
+    }
+}
+
+int32_t SegmentTermPositions::nextPosition() {
+    /* DSR:CL_BUG: Should raise exception if proxCount == 0 at the
+    ** beginning of this method, as in
+    **   if (--proxCount == 0) throw ...;
+    ** The JavaDocs for TermPositions.nextPosition declare this constraint,
+    ** but CLucene doesn't enforce it. */
+    proxCount--;
+    return position += proxStream->readVInt();
+}
+
+bool SegmentTermPositions::next() {
+    for (int32_t f = proxCount; f > 0; f--)		  // skip unread positions
+        proxStream->readVInt();
+    
+    if (SegmentTermDocs::next()) {				  // run super
+        proxCount = _freq;				  // note frequency
+        position = 0;				  // reset position
+        return true;
+    }
+    return false;
+}
+
+int32_t SegmentTermPositions::read(int32_t* docs, int32_t* freqs, int32_t length) {
+    _CLTHROWA(CL_ERR_InvalidState,"TermPositions does not support processing multiple documents in one call. Use TermDocs instead.");
+}
+
+void SegmentTermPositions::skippingDoc() {
+    for (int32_t f = _freq; f > 0; f--)		  // skip all positions
+        proxStream->readVInt();
+}
+
+void SegmentTermPositions::skipProx(int64_t proxPointer){
+    proxStream->seek(proxPointer);
+    proxCount = 0;
+}
+
+CL_NS_END