From 4e1f2cf017973c65be4d2dd4b1700a3b66320041 Mon Sep 17 00:00:00 2001
From: Andreas Fabri <andreas.fabri@geometryfactory.com>
Date: Tue, 4 Jun 2019 17:13:53 +0200
Subject: [PATCH] Replace BOOST_FOREACH with C++11 for

---
 Polyhedron_IO/include/CGAL/IO/PLY_writer.h           |  2 +-
 Stream_support/include/CGAL/IO/WKT.h                 | 12 +++++-------
 .../include/CGAL/Surface_mesh/Surface_mesh.h         | 10 +++++-----
 3 files changed, 11 insertions(+), 13 deletions(-)

diff --git a/Polyhedron_IO/include/CGAL/IO/PLY_writer.h b/Polyhedron_IO/include/CGAL/IO/PLY_writer.h
index 1807899a040..052c6d196a9 100644
--- a/Polyhedron_IO/include/CGAL/IO/PLY_writer.h
+++ b/Polyhedron_IO/include/CGAL/IO/PLY_writer.h
@@ -142,7 +142,7 @@ namespace CGAL{
     
     if(has_texture)
     {
-      BOOST_FOREACH(halfedge_descriptor hd, halfedges(mesh))
+      for(halfedge_descriptor hd : halfedges(mesh))
       {
         typedef std::tuple<unsigned int, unsigned int, float, float> Super_tuple;
          Super_tuple t = 
diff --git a/Stream_support/include/CGAL/IO/WKT.h b/Stream_support/include/CGAL/IO/WKT.h
index b9dcce70eb1..2d845fb8e10 100644
--- a/Stream_support/include/CGAL/IO/WKT.h
+++ b/Stream_support/include/CGAL/IO/WKT.h
@@ -33,8 +33,6 @@
 
 #include <boost/geometry/io/wkt/read.hpp>
 #include <boost/geometry/io/wkt/write.hpp>
-#include <boost/foreach.hpp>
-
 
 #include <CGAL/IO/traits_point.h>
 #include <CGAL/IO/traits_point_3.h>
@@ -157,7 +155,7 @@ read_multi_linestring_WKT( std::istream& in,
       break;
     }
   }
-  BOOST_FOREACH(LineString& ls, gc)
+  for(LineString& ls : gc)
   {
     mls.push_back(*ls.range);
   }
@@ -312,7 +310,7 @@ write_multi_linestring_WKT( std::ostream& out,
   typedef typename MultiLineString::value_type PointRange;
   typedef internal::Geometry_container<PointRange, boost::geometry::linestring_tag> LineString;
   std::vector<LineString> pr_range;
-  BOOST_FOREACH(PointRange& pr, mls)
+  for(PointRange& pr : mls)
   {
     LineString ls(pr);
     pr_range.push_back(ls);
@@ -374,21 +372,21 @@ read_WKT( std::istream& input,
     {
       MultiPoint mp;
       CGAL::read_multi_point_WKT(input, mp);
-      BOOST_FOREACH(const Point& point, mp)
+      for(const Point& point : mp)
           points.push_back(point);
     }
     else if(type == "MULTILINESTRING")
     {
       MultiLineString mls;
       CGAL::read_multi_linestring_WKT(input, mls);
-      BOOST_FOREACH(const LineString& ls, mls)
+      (const LineString& ls : mls)
           polylines.push_back(ls);
     }
     else if(type == "MULTIPOLYGON")
     {
       MultiPolygon mp;
       CGAL::read_multi_polygon_WKT(input, mp);
-      BOOST_FOREACH(const Polygon& poly, mp)
+      for(const Polygon& poly : mp)
           polygons.push_back(poly);
     }
   }while(input.good() && !input.eof());
diff --git a/Surface_mesh/include/CGAL/Surface_mesh/Surface_mesh.h b/Surface_mesh/include/CGAL/Surface_mesh/Surface_mesh.h
index 0f9b77861b2..9e4d71e82ab 100644
--- a/Surface_mesh/include/CGAL/Surface_mesh/Surface_mesh.h
+++ b/Surface_mesh/include/CGAL/Surface_mesh/Surface_mesh.h
@@ -2234,7 +2234,7 @@ private: //------------------------------------------------------- private data
 
     os << "end_header" << std::endl;  
 
-    BOOST_FOREACH(VIndex vi, sm.vertices())
+    for(VIndex vi : sm.vertices())
     {
       for (std::size_t i = 0; i < vprinters.size(); ++ i)
       {
@@ -2248,11 +2248,11 @@ private: //------------------------------------------------------- private data
 
     std::vector<VIndex> polygon;
     
-    BOOST_FOREACH(FIndex fi, sm.faces())
+    for(FIndex fi : sm.faces())
     {
       // Get list of vertex indices
       polygon.clear();
-      BOOST_FOREACH(HIndex hi, halfedges_around_face(halfedge(fi, sm), sm))
+      for(HIndex hi : halfedges_around_face(halfedge(fi, sm), sm))
         polygon.push_back (sm.target(hi));
 
       if (get_mode (os) == IO::ASCII)
@@ -2285,7 +2285,7 @@ private: //------------------------------------------------------- private data
 
     if (!eprinters.empty())
     {
-      BOOST_FOREACH(EIndex ei, sm.edges())
+      for(EIndex ei : sm.edges())
       {
         if (get_mode (os) == IO::ASCII)
           os << int(sm.vertex(ei,0)) << " " << int(sm.vertex(ei,1)) << " ";
@@ -2311,7 +2311,7 @@ private: //------------------------------------------------------- private data
     
     if (!hprinters.empty())
     {
-      BOOST_FOREACH(HIndex hi, sm.halfedges())
+      for(HIndex hi : sm.halfedges())
       {
         if (get_mode (os) == IO::ASCII)
           os << int(sm.source(hi)) << " " << int(sm.target(hi)) << " ";