C++11 regex -> boost::regex

The regex part of the C++11 standard was not implemented before june 2015.
To avoid forcing users to have a very recent compiler, switching to boost instead.

CMakeLists.txt

@@ -50,7 +50,7 @@ find_package(SimGrid REQUIRED)
 include_directories(${SIMGRID_INCLUDE_DIR})
 
 ## Boost dependency
-find_package(Boost 1.48 REQUIRED COMPONENTS system filesystem)
+find_package(Boost 1.48 REQUIRED COMPONENTS system filesystem regex)
 include_directories(${Boost_INCLUDE_DIR})
 
 ## Rapidjson dependency
@@ -84,6 +84,7 @@ add_executable(batsim ${batsim_SRC})
 target_link_libraries(batsim ${SIMGRID_LIBRARIES}
                       ${Boost_SYSTEM_LIBRARY_DEBUG}
                       ${Boost_FILESYSTEM_LIBRARY_DEBUG}
+                      ${Boost_REGEX_LIBRARY_DEBUG}
                       ${REDOX_LIBRARY}
                       ${LIBEV_LIBRARY}
                       ${HIREDIS_LIBRARY})

src/jobs.cpp

@@ -10,8 +10,7 @@
 #include <fstream>
 #include <streambuf>
 #include <algorithm>
-#include <regex>
-#include <iterator>
+#include <boost/regex.hpp>
 
 #include <boost/algorithm/string.hpp>
 #include <boost/algorithm/string/join.hpp>
@@ -208,9 +207,9 @@ Job * Job::from_json(const rapidjson::Value & json_desc, Workload * workload)
 
     // Let's replace the job ID by its WLOAD!NUMBER counterpart
     string json_description_tmp = buffer.GetString();
-    regex r("\"id\"\\s*:\\s*(?:\".+\"|\\d+)\\s*,");
+    boost::regex r("\"id\"\\s*:\\s*(?:\".+\"|\\d+)\\s*,");
     string replacement_str = "\"id\":\"" + workload_name + "!" + std::to_string(j->number) + "\",";
-    j->json_description = regex_replace(json_description_tmp, r, replacement_str);
+    j->json_description = boost::regex_replace(json_description_tmp, r, replacement_str);