Factorize code generating filenames out of examples

Alpha_wrap_3/examples/Alpha_wrap_3/mixed_inputs_wrap.cpp

@@ -120,8 +120,9 @@ int main(int argc, char** argv)
   std::string ps_name = std::string(ps_filename);
   ps_name = ps_name.substr(ps_name.find_last_of("/") + 1, ps_name.length() - 1);
   ps_name = ps_name.substr(0, ps_name.find_last_of("."));
-  std::string output_name = ts_name + "_" + ss_name + "_"  + ps_name + "_" + std::to_string(static_cast<int>(relative_alpha))
+  std::string output_name = ts_name + "_" + ss_name + "_"  + ps_name + "_"
-                            + "_" + std::to_string(static_cast<int>(relative_offset)) + ".off";
+                                  + std::to_string(static_cast<int>(relative_alpha)) + "_"
+                                  + std::to_string(static_cast<int>(relative_offset)) + ".off";
   std::cout << "Writing to " << output_name << std::endl;
   CGAL::IO::write_polygon_mesh(output_name, wrap, CGAL::parameters::stream_precision(17));
 

Alpha_wrap_3/examples/Alpha_wrap_3/output_helper.h

@@ -0,0 +1,19 @@
+#ifndef CGAL_ALPHA_WRAP_3_EXAMPLES_OUTPUT_HELPER_H
+#define CGAL_ALPHA_WRAP_3_EXAMPLES_OUTPUT_HELPER_H
+
+#include <string>
+
+std::string generate_output_name(std::string input_name,
+                                 const double alpha,
+                                 const double offset)
+{
+  input_name = input_name.substr(input_name.find_last_of("/") + 1, input_name.length() - 1);
+  input_name = input_name.substr(0, input_name.find_last_of("."));
+  std::string output_name = input_name
+                            + "_" + std::to_string(static_cast<int>(alpha))
+                            + "_" + std::to_string(static_cast<int>(offset)) + ".off";
+
+  return output_name;
+}
+
+#endif // CGAL_ALPHA_WRAP_3_EXAMPLES_OUTPUT_HELPER_H

Alpha_wrap_3/examples/Alpha_wrap_3/point_set_wrap.cpp

@@ -1,3 +1,5 @@
+#include "output_helper.h"
+
 #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
 #include <CGAL/Surface_mesh.h>
 
@@ -53,11 +55,7 @@ int main(int argc, char** argv)
   std::cout << "Took " << t.time() << " s." << std::endl;
 
   // Save the result
-  std::string input_name = std::string(filename);
+  const std::string output_name = generate_output_name(filename, relative_alpha, relative_offset);
-  input_name = input_name.substr(input_name.find_last_of("/") + 1, input_name.length() - 1);
-  input_name = input_name.substr(0, input_name.find_last_of("."));
-  std::string output_name = input_name + "_" + std::to_string(static_cast<int>(relative_alpha))
-                            + "_" + std::to_string(static_cast<int>(relative_offset)) + ".off";
   std::cout << "Writing to " << output_name << std::endl;
   CGAL::IO::write_polygon_mesh(output_name, wrap, CGAL::parameters::stream_precision(17));
 

Alpha_wrap_3/examples/Alpha_wrap_3/successive_wraps.cpp

@@ -1,5 +1,7 @@
 #define CGAL_AW3_TIMER
 
+#include "output_helper.h"
+
 #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
 #include <CGAL/Surface_mesh.h>
 
@@ -69,12 +71,7 @@ int main(int argc, char** argv)
     std::cout << "  Result: " << num_vertices(wrap) << " vertices, " << num_faces(wrap) << " faces" << std::endl;
     std::cout << "  Elapsed time: " << t.time() << " s." << std::endl;
 
-    std::string input_name = std::string(filename);
+    const std::string output_name = generate_output_name(filename, relative_alphas[i], relative_offset);
-    input_name = input_name.substr(input_name.find_last_of("/") + 1, input_name.length() - 1);
-    input_name = input_name.substr(0, input_name.find_last_of("."));
-    std::string output_name = input_name
-                              + "_" + std::to_string(static_cast<int>(relative_alphas[i]))
-                              + "_" + std::to_string(static_cast<int>(relative_offset)) + ".off";
     std::cout << "Writing to " << output_name << std::endl;
     CGAL::IO::write_polygon_mesh(output_name, wrap, CGAL::parameters::stream_precision(17));
 

Alpha_wrap_3/examples/Alpha_wrap_3/triangle_mesh_wrap.cpp

@@ -1,3 +1,5 @@
+#include "output_helper.h"
+
 #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
 #include <CGAL/Surface_mesh.h>
 
@@ -56,12 +58,7 @@ int main(int argc, char** argv)
   std::cout << "Took " << t.time() << " s." << std::endl;
 
   // Save the result
-  std::string input_name = std::string(filename);
+  const std::string output_name = generate_output_name(filename, relative_alpha, relative_offset);
-  input_name = input_name.substr(input_name.find_last_of("/") + 1, input_name.length() - 1);
-  input_name = input_name.substr(0, input_name.find_last_of("."));
-  std::string output_name = input_name
-                            + "_" + std::to_string(static_cast<int>(relative_alpha))
-                            + "_" + std::to_string(static_cast<int>(relative_offset)) + ".off";
   std::cout << "Writing to " << output_name << std::endl;
   CGAL::IO::write_polygon_mesh(output_name, wrap, CGAL::parameters::stream_precision(17));
 

Alpha_wrap_3/examples/Alpha_wrap_3/triangle_soup_wrap.cpp

@@ -1,3 +1,5 @@
+#include "output_helper.h"
+
 #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
 #include <CGAL/Surface_mesh.h>
 
@@ -63,12 +65,7 @@ int main(int argc, char** argv)
   std::cout << "Took " << t.time() << " s." << std::endl;
 
   // Save the result
-  std::string input_name = std::string(filename);
+  const std::string output_name = generate_output_name(filename, relative_alpha, relative_offset);
-  input_name = input_name.substr(input_name.find_last_of("/") + 1, input_name.length() - 1);
-  input_name = input_name.substr(0, input_name.find_last_of("."));
-  std::string output_name = input_name
-                            + "_" + std::to_string(static_cast<int>(relative_alpha))
-                            + "_" + std::to_string(static_cast<int>(relative_offset)) + ".off";
   std::cout << "Writing to " << output_name << std::endl;
   CGAL::IO::write_polygon_mesh(output_name, wrap, CGAL::parameters::stream_precision(17));
 

Alpha_wrap_3/examples/Alpha_wrap_3/volumetric_wrap.cpp

@@ -1,3 +1,5 @@
+#include "output_helper.h"
+
 #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
 #include <CGAL/Surface_mesh.h>
 
@@ -113,12 +115,7 @@ int main(int argc, char** argv)
   auto dt = aw3.triangulation();
 
   // Save the result
-  std::string input_name = std::string(filename);
+  const std::string output_name = generate_output_name(filename, relative_alpha, relative_offset);
-  input_name = input_name.substr(input_name.find_last_of("/") + 1, input_name.length() - 1);
-  input_name = input_name.substr(0, input_name.find_last_of("."));
-  std::string output_name = input_name
-                            + "_" + std::to_string(static_cast<int>(relative_alpha))
-                            + "_" + std::to_string(static_cast<int>(relative_offset)) + ".off";
   std::cout << "Writing to " << output_name << std::endl;
   CGAL::IO::write_polygon_mesh(output_name, wrap, CGAL::parameters::stream_precision(17));
 

Alpha_wrap_3/examples/Alpha_wrap_3/wrap_from_cavity.cpp

@@ -1,3 +1,5 @@
+#include "output_helper.h"
+
 #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
 #include <CGAL/Surface_mesh.h>
 
@@ -64,11 +66,7 @@ int main(int argc, char** argv)
   std::cout << "Took " << t.time() << " s." << std::endl;
 
   // Save the result
-  std::string input_name = std::string(filename);
+  const std::string output_name = generate_output_name(filename, relative_alpha, relative_offset);
-  input_name = input_name.substr(input_name.find_last_of("/") + 1, input_name.length() - 1);
-  input_name = input_name.substr(0, input_name.find_last_of("."));
-  std::string output_name = input_name + "_cavity_" + std::to_string(static_cast<int>(relative_alpha))
-                            + "_" + std::to_string(static_cast<int>(relative_offset)) + ".off";
   std::cout << "Writing to " << output_name << std::endl;
   CGAL::IO::write_polygon_mesh(output_name, wrap, CGAL::parameters::stream_precision(17));