GEOS: CoordinateList.h Source File

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# CoordinateList.h

    00001 /**********************************************************************
    00002  * $Id: CoordinateList.h 3255 2011-03-01 17:56:10Z mloskot $
    00003  *
    00004  * GEOS - Geometry Engine Open Source
    00005  * http://geos.refractions.net
    00006  *
    00007  * Copyright (C) 2010 Sandro Santilli <strk@keybit.net>
    00008  * Copyright (C) 2006 Refractions Research Inc.
    00009  *
    00010  * This is free software; you can redistribute and/or modify it under
    00011  * the terms of the GNU Lesser General Public Licence as published
    00012  * by the Free Software Foundation.
    00013  * See the COPYING file for more information.
    00014  *
    00015  **********************************************************************
    00016  *
    00017  * Last port: geom/CoordinateList.java ?? (never been in complete sync)
    00018  *
    00019  **********************************************************************/
    00020
    00021 #ifndef GEOS_GEOM_COORDINATELIST_H
    00022 #define GEOS_GEOM_COORDINATELIST_H
    00023
    00024 #include <geos/export.h>
    00025 #include <geos/geom/Coordinate.h>
    00026
    00027 #include <list>
    00028 #include <ostream> // for operator<<
    00029 #include <memory> // for auto_ptr
    00030
    00031 #ifdef _MSC_VER
    00032 #pragma warning(push)
    00033 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
    00034 #endif
    00035
    00036 // Forward declarations
    00037 namespace geos {
    00038         namespace geom {
    00039                 //class Coordinate;
    00040         }
    00041 }
    00042
    00043
    00044 namespace geos {
    00045 namespace geom { // geos::geom
    00046
    00056 class GEOS_DLL CoordinateList {
    00057
    00058 public:
    00059
    00060         typedef std::list<Coordinate>::iterator iterator;
    00061         typedef std::list<Coordinate>::const_iterator const_iterator;
    00062         typedef std::list<Coordinate>::size_type size_type;
    00063
    00064         friend std::ostream& operator<< (std::ostream& os,
    00065                 const CoordinateList& cl);
    00066
    00076         CoordinateList(const std::vector<Coordinate>& v)
    00077                 :
    00078                 coords(v.begin(), v.end())
    00079         {
    00080         }
    00081
    00082         CoordinateList()
    00083                 :
    00084                 coords()
    00085         {
    00086         }
    00087
    00088         size_type size() const
    00089         {
    00090                 return coords.size();
    00091         }
    00092
    00093         bool empty() const
    00094         {
    00095                 return coords.empty();
    00096         }
    00097
    00098         iterator begin()
    00099         {
    00100                 return coords.begin();
    00101         }
    00102
    00103         iterator end()
    00104         {
    00105                 return coords.end();
    00106         }
    00107
    00108         const_iterator begin() const
    00109         {
    00110                 return coords.begin();
    00111         }
    00112
    00113         const_iterator end() const
    00114         {
    00115                 return coords.end();
    00116         }
    00117
    00131         iterator insert(iterator pos, const Coordinate& c, bool allowRepeated)
    00132         {
    00133                 if ( !allowRepeated && pos != coords.begin() ) {
    00134                         iterator prev = pos; --prev;
    00135                         if ( c.equals2D(*prev) ) return prev;
    00136                 }
    00137                 return coords.insert(pos, c);
    00138         }
    00139
    00140         iterator insert(iterator pos, const Coordinate& c)
    00141         {
    00142                 return coords.insert(pos, c);
    00143         }
    00144
    00145         iterator erase(iterator pos)
    00146         {
    00147                 return coords.erase(pos);
    00148         }
    00149
    00150         iterator erase(iterator first, iterator last)
    00151         {
    00152                 return coords.erase(first, last);
    00153         }
    00154
    00155         std::auto_ptr<Coordinate::Vect> toCoordinateArray() const
    00156         {
    00157                 std::auto_ptr<Coordinate::Vect> ret(new Coordinate::Vect);
    00158                 ret->assign(coords.begin(), coords.end());
    00159                 return ret;
    00160         }
    00161
    00162 private:
    00163
    00164         std::list<Coordinate> coords;
    00165 };
    00166
    00167 inline
    00168 std::ostream& operator<< (std::ostream& os, const CoordinateList& cl)
    00169 {
    00170         os << "(";
    00171         for (CoordinateList::const_iterator
    00172                 it=cl.begin(), end=cl.end();
    00173                 it != end;
    00174                 ++it)
    00175         {
    00176                 const Coordinate& c = *it;
    00177                 if ( it != cl.begin() ) os << ", ";
    00178                 os << c;
    00179         }
    00180         os << ")";
    00181
    00182         return os;
    00183 }
    00184
    00185 } // namespace geos::geom
    00186 } // namespace geos
    00187
    00188 #ifdef _MSC_VER
    00189 #pragma warning(pop)
    00190 #endif
    00191
    00192 #endif // ndef GEOS_GEOM_COORDINATELIST_H
    00193
    00194 /**********************************************************************
    00195  * $Log$
    00196  * Revision 1.2  2006/07/21 17:05:22  strk
    00197  * added operator<< for CoordinateList class
    00198  *
    00199  * Revision 1.1  2006/07/21 14:53:12  strk
    00200  * CoordinateList class re-introduced, for list-based ops
    00201  * (not strictly mapped to JTS version, not yet at least)
    00202  *
    00203  **********************************************************************/