BUG : Remove strptime from C++ code (issue #9) with std::get_time

CMakeLists.txt

@@ -2,13 +2,11 @@ cmake_minimum_required(VERSION 2.8.9)
 project(DiapOTBModule)
 
 if(NOT OTB_SOURCE_DIR)
-    find_package(Boost COMPONENTS date_time)
     find_package(OTB REQUIRED)
     list(APPEND CMAKE_MODULE_PATH ${OTB_CMAKE_DIR})
     include(${OTB_USE_FILE})
     include(OTBModuleExternal)
 else()  
-    find_package(Boost COMPONENTS date_time)
     otb_module_impl()
 endif()
 

app/CMakeLists.txt

@@ -102,7 +102,7 @@ OTB_CREATE_APPLICATION(NAME SARCorrelationRough
 
 OTB_CREATE_APPLICATION(NAME SARMetadataCorrection
                        SOURCES otbSARMetadataCorrection.cxx
-                       LINK_LIBRARIES ${${otb-module}_LIBRARIES} ${Boost_LIBRARIES}
+                       LINK_LIBRARIES ${${otb-module}_LIBRARIES}
 )
 
 OTB_CREATE_APPLICATION(NAME SAROrthoInterferogram

app/otbSARMetadataCorrection.cxx

@@ -24,6 +24,7 @@
 #include "otbSARStreamingDEMClosestHgtFilter.h"
 
 #include <iostream>
+#include <iomanip>
 #include <string>
 #include <fstream>
 #include <complex>
@@ -33,8 +34,6 @@
 
 #include "otb_tinyxml.h"
 #include "itksys/SystemTools.hxx"
-#include "boost/date_time/posix_time/posix_time.hpp"
-
 // include ossim
 #if defined(__GNUC__) || defined(__clang__)
 #pragma GCC diagnostic push
@@ -378,27 +377,28 @@ int selectOrbits(std::vector<std::string> * vector_time,
   std::string UTC_last = inKWL.GetMetadataByKey(std::string (prefix_last));
   
   // Transform string to t_time (in seconds)
-  struct tm tm1;
-  struct tm tm2;
-
-  UTC_first.replace(UTC_first.find("T"), 1, " ");
-  tm1 = boost::posix_time::to_tm(boost::posix_time::time_from_string(UTC_first.c_str()));
+  std::tm tm1 ={};
+  std::tm tm2 ={};
+  
+  std::istringstream UTC_first_ss (UTC_first);
+  UTC_first_ss.imbue(std::locale(setlocale(LC_ALL, nullptr)));
+  UTC_first_ss >> std::get_time(&tm1, "%Y-%m-%dT%H:%M:%SZ");
   time_t t_first = mktime(&tm1);
 
-  UTC_last.replace(UTC_last.find("T"), 1, " ");
-  tm2 = boost::posix_time::to_tm(boost::posix_time::time_from_string(UTC_last.c_str()));
+  std::istringstream UTC_last_ss (UTC_last);
+  UTC_last_ss.imbue(std::locale(setlocale(LC_ALL, nullptr)));
+  UTC_last_ss >> std::get_time(&tm2, "%Y-%m-%dT%H:%M:%SZ");
   time_t t_last = mktime(&tm2);
-
+  
 
   // Selection of indexes into vector_time
   // ind_first = last elt to be inferior to t_first
   // ind_last = first elt to be superior to t_last
   for (unsigned int i = 0; i < vector_time->size(); i++) 
     {
-      struct tm tm;
-      std::string UTC_i = vector_time->at(i); // Copy of UTC at ind i to keep original time into our vector
-      UTC_i.replace(UTC_i.find("T"), 1, " ");
-      tm = boost::posix_time::to_tm(boost::posix_time::time_from_string(UTC_i.c_str()));
+      std::tm tm;
+      std::istringstream UTC_ss (vector_time->at(i));
+      UTC_ss >> std::get_time(&tm, "%Y-%m-%dT%H:%M:%SZ");
       time_t t = mktime(&tm);
 
       if (difftime(t, t_first) > 0 && ind_first == 0)