--- /dev/null
+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+// By downloading, copying, installing or using the software you agree to this license.
+// If you do not agree to this license, do not download, install,
+// copy or use the software.
+//
+//
+// Intel License Agreement
+// For Open Source Computer Vision Library
+//
+// Copyright (C) 2000, Intel Corporation, all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+// * Redistribution's of source code must retain the above copyright notice,
+// this list of conditions and the following disclaimer.
+//
+// * Redistribution's in binary form must reproduce the above copyright notice,
+// this list of conditions and the following disclaimer in the documentation
+// and/or other materials provided with the distribution.
+//
+// * The name of Intel Corporation may not be used to endorse or promote products
+// derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#ifndef OCT_CV_SEQ_H
+#define OCT_CV_SEQ_H
+
+#include "cxcore.h"
+#include "cvtypes.h"
+
+
+/** class to make sequence iteration nicer */
+template<class T>
+class CvTypedSeqReader : public CvSeqReader {
+ int pos;
+public:
+ CvTypedSeqReader( const CvSeq * seq ){
+ cvStartReadSeq( seq, this );
+ pos = 0;
+ }
+ T * current(){
+ return (T*) this->ptr;
+ }
+ void next(){
+ CV_NEXT_SEQ_ELEM( this->seq->elem_size, *this );
+ pos++;
+ }
+ bool valid(){
+ return pos<this->seq->total;
+ }
+};
+
+template<class T>
+class CvTypedSeq : public CvSeq {
+public:
+ static CvTypedSeq<T> * cast(CvSeq * seq){
+ return (CvTypedSeq<T> *) seq;
+ }
+ T * __paren (int i){
+ return (T *) cvGetSeqElem(this, i);
+ }
+ void __paren_asgn (int i, T * obj){
+ T * ptr = this->__paren(i);
+ memcpy(ptr, obj, sizeof(T));
+ }
+
+ T * __brace (int i){
+ return __paren(i);
+ }
+ void __brace_asgn (int i, T * obj){
+ __paren_asgn(i, obj);
+ }
+
+ void append(T * obj){
+ cvSeqPush( this, obj );
+ }
+ T * pop(){
+ T * obj = new T;
+ cvSeqPop( this, obj );
+ return obj;
+ }
+};
+
+template<class T, int size=2>
+struct CvTuple {
+ T val[2];
+ const T & __paren(int i){
+ return val[i];
+ }
+ void __paren_asgn(int i, T * obj){
+ val[i] = *obj;
+ }
+
+ const T & __brace(int i){
+ return __paren(i);
+ }
+ void __brace_asgn(int i, T * obj){
+ return __paren_asgn(i,obj);
+ }
+
+};
+
+#endif //OCT_CV_SEQ_H