1 files changed, 116 insertions, 0 deletions
diff --git a/3rdparty/clucene/src/CLucene/search/PhrasePositions.cpp b/3rdparty/clucene/src/CLucene/search/PhrasePositions.cpp
new file mode 100644
index 000000000..7611056e7
--- /dev/null
+++ b/3rdparty/clucene/src/CLucene/search/PhrasePositions.cpp
@@ -0,0 +1,116 @@
+/*------------------------------------------------------------------------------
+* 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 "PhrasePositions.h"
+
+#include "CLucene/index/Terms.h"
+
+CL_NS_USE(index)
+CL_NS_DEF(search)
+
+  PhrasePositions::PhrasePositions(TermPositions* Tp, const int32_t OffSet){
+  //Func - Constructor
+  //Pre  - t != NULL
+  //       OffSet != NULL
+  //Post - The instance has been created
+
+      CND_PRECONDITION(Tp != NULL,"Tp is NULL");
+      CND_PRECONDITION(OffSet >= 0 ,"OffSet is a negative number");
+
+      tp       = Tp;
+      offset   = OffSet;
+      position = 0;
+      count    = 0;
+	  	doc      = 0;
+
+      _next     = NULL;
+  }
+	
+  PhrasePositions::~PhrasePositions(){
+  //Func - Destructor
+  //Pre  - true
+  //Post - The instance has been deleted
+
+    //delete next Phrase position and by doing that
+    //all PhrasePositions in the list
+    _CLDELETE(_next);
+
+    //Check if tp is valid
+    if ( tp != NULL ){
+        //Close TermPositions tp
+		tp->close();
+        _CLDELETE(tp);
+     }
+  }
+
+  bool PhrasePositions::next(){
+  //Func - Increments to next doc
+  //Pre  - tp != NULL
+  //Post - if there was no next then doc = INT_MAX otherwise
+  //       doc contains the current document number
+
+      CND_PRECONDITION(tp != NULL,"tp is NULL");
+    
+	  //Move to the next in TermPositions tp
+      if (!tp->next()) {
+         //There is no next so close the stream
+         tp->close();				  
+         //delete tp and reset tp to NULL
+         _CLVDELETE(tp); //todo: not a clucene object... should be
+         //Assign Doc sentinel value
+         doc = INT_MAX; 
+         return false;
+		}else{
+         doc  = tp->doc();
+         position = 0;
+         return true;
+	   }
+  }
+  bool PhrasePositions::skipTo(int32_t target){
+    if (!tp->skipTo(target)) {
+      tp->close();				// close stream
+      doc = LUCENE_INT32_MAX_SHOULDBE;	// sentinel value
+      return false;
+    }
+    doc = tp->doc();
+    position = 0;
+    return true;
+  }
+  void PhrasePositions::firstPosition(){
+  //Func - Read the first TermPosition
+  //Pre  - tp != NULL
+  //Post - 
+
+      CND_PRECONDITION(tp != NULL,"tp is NULL");
+
+      //read first pos
+      count = tp->freq();				  
+      //Move to the next TermPosition
+	  nextPosition();
+  }
+
+  bool PhrasePositions::nextPosition(){
+  //Func - Move to the next position
+  //Pre  - tp != NULL
+  //Post -
+
+      CND_PRECONDITION(tp != NULL,"tp is NULL");
+
+      if (count-- > 0) {				  
+		  //read subsequent pos's
+          position = tp->nextPosition() - offset;
+
+		  //Check position always bigger than or equal to 0
+          //bvk: todo, bug??? position < 0 occurs, cant figure out why,
+          //old version does it too and will fail the "SearchTest" test
+          //CND_CONDITION(position >= 0, "position has become a negative number");
+          return true;
+      }else{
+          return false;
+      }
+	}
+CL_NS_END