Attempt fix g++ error

.travis.yml

@@ -15,6 +15,9 @@ addons:
     packages:
       - libxdo-dev
       - libinput-tools
+      - g++-7
+env:
+  CC: g++-7
 install:
   - pip install .
 script:

cpp/gesture/swipe_gesture.cpp

@@ -32,8 +32,10 @@ extern "C"
                      // CURRENT_WINDOW
 }
 
-namespace comfortable_swipe::gesture
+namespace comfortable_swipe
 {
+    namespace gesture
+    {
         /**
          * Constructs a new swipe gesture, given configurations for certain swipe events.
          */
@@ -208,6 +210,7 @@ namespace comfortable_swipe::gesture
             "down3",
             "down4"
         };
+    }
 }
 
 #endif /* __COMFORTABLE_SWIPE__gesture_swipe_gesture__ */

cpp/gesture/swipe_gesture.h

@@ -21,12 +21,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "xdo_gesture.h"
 
-#ifdef __cplusplus
+namespace comfortable_swipe
-extern "C" {
-#endif
-
-namespace comfortable_swipe::gesture
 {
+    namespace gesture
+    {
         class swipe_gesture : protected xdo_gesture
         {
         public:
@@ -81,10 +79,7 @@ namespace comfortable_swipe::gesture
             static const char* GESTURE_UPDATE_REGEX_PATTERN;
             static const char* GESTURE_END_REGEX_PATTERN;
         };
+    }
 }
 
-#ifdef __cplusplus
-}
-#endif
-
 #endif /* __COMFORTABLE_SWIPE__gesture_swipe_gesture_h__ */

cpp/gesture/swipe_gesture.regex.cpp

@@ -21,8 +21,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "swipe_gesture.h"
 
-namespace comfortable_swipe::gesture
+namespace comfortable_swipe
 {
+    namespace gesture
+    {
         /**
          * Regex pattern for the libinput entry for start of swipe.
          * Extracts one match for the number of fingers used during the swipe.
@@ -86,6 +88,7 @@ namespace comfortable_swipe::gesture
         #undef CF_NUMBER_DIVISION
         #undef CF_NUMBER_EXTRACT
         #undef CF_NUMBER_REGEX
+    }
 }
 
 #endif /* __COMFORTABLE_SWIPE__gesture_swipe_gesture_regex__ */

cpp/gesture/xdo_gesture.cpp

@@ -26,8 +26,10 @@ extern "C"
 
 #include "xdo_gesture.h"
 
-namespace comfortable_swipe::gesture
+namespace comfortable_swipe
 {
+    namespace gesture
+    {
         /**
          * Constructs a new gesture handler with xdo.
          */
@@ -42,6 +44,7 @@ namespace comfortable_swipe::gesture
         {
             xdo_free(this->xdo);
         }
+    }
 }
 
 #endif /* __COMFORTABLE_SWIPE__xdo_gesture__ */

cpp/service/_index.hpp

@@ -4,10 +4,8 @@
 #include <map> // std::map
 #include <string> // std::string
 
-extern "C"
+namespace comfortable_swipe
 {
-    namespace comfortable_swipe
-    {
     namespace service
     {
         void buffer();
@@ -18,7 +16,6 @@ extern "C"
         void stop();
         void status();
     }
-    }
 }
 
 #endif /* __COMFORTABLE_SWIPE__service_index_hpp__ */

cpp/service/_python.cpp

@@ -2,11 +2,18 @@
 #define __COMFORTABLE_SWIPE__service_python__
 
 #include "_index.hpp"
-#include <Python.h>
+extern "C"
+{
+    #include <Python.h>
+}
 
 // export as python module
-namespace comfortable_swipe::service::python
+namespace comfortable_swipe
 {
+    namespace service
+    {
+        namespace python
+        {
             #define __comfortable_swipe_void_method(method) \
                 static PyObject * \
                 method(PyObject * self, PyObject * args) \
@@ -56,6 +63,8 @@ namespace comfortable_swipe::service::python
             #endif
 
             PyObject * module;
+        }
+    }
 }
 
 // initialize module

cpp/service/debug.cpp

@@ -21,8 +21,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include <cstdlib> // std::system
 
-namespace comfortable_swipe::service
+namespace comfortable_swipe
 {
+    namespace service
+    {
         /**
          * Debugs output from `libinput debug-events`.
          */
@@ -30,6 +32,7 @@ namespace comfortable_swipe::service
         {
             (void) std::system("bash -c \"stdbuf -oL -e0 libinput debug-events 2> >(grep -v 'double tracking')\"");
         }
+    }
 }
 
 #endif /* __COMFORTABLE_SWIPE__service_debug__ */

cpp/service/help.cpp

@@ -21,8 +21,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include <cstdio> // std::puts, std::printf
 
-namespace comfortable_swipe::service
+namespace comfortable_swipe
 {
+    namespace service
+    {
         /**
          * Shows the help window.
          */
@@ -40,6 +42,7 @@ namespace comfortable_swipe::service
             std::puts("debug      - logs raw output from input events taken from libinput");
             std::puts("status     - checks status of program and autostart");
         }
+    }
 }
 
 #endif /* __COMFORTABLE_SWIPE__service_help__ */

cpp/service/restart.cpp

@@ -21,8 +21,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "../service/_index.hpp"
 
-namespace comfortable_swipe::service
+namespace comfortable_swipe
 {
+    namespace service
+    {
         /**
          * Restarts the comfortable-swipe service.
          */
@@ -31,6 +33,7 @@ namespace comfortable_swipe::service
             comfortable_swipe::service::stop();
             comfortable_swipe::service::start();
         }
+    }
 }
 
 #endif /* __COMFORTABLE_SWIPE__service_restart__ */

cpp/service/start.cpp

@@ -24,8 +24,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <cstdlib> // std::system
 #include <unistd.h> // pipe, fork, perror, exit
 
-namespace comfortable_swipe::service
+namespace comfortable_swipe
 {
+    namespace service
+    {
         /**
          * Starts the comfortable-swipe service by buffering libinput debug-events.
          * This method is deferred. Please refer to comfortable_swipe::service::buffer()
@@ -58,6 +60,7 @@ namespace comfortable_swipe::service
             }
             comfortable_swipe::service::stop();
         }
+    }
 }
 
 #endif /* __COMFORTABLE_SWIPE__service_start__ */

cpp/service/status.cpp

@@ -30,8 +30,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <cstdio> // FILE, std::feof, std::fgets, std::printf
 #include <regex> // std::cmatch, std::regex, std::regex_match
 
-namespace comfortable_swipe::service
+namespace comfortable_swipe
 {
+    namespace service
+    {
         /**
          * Prints the status of comfortable-swipe.
          */
@@ -70,6 +72,7 @@ namespace comfortable_swipe::service
                 std::printf("config error: %s\n", e.what());
             }
         }
+    }
 }
 
 #endif /* __COMFORTABLE_SWIPE__service_restart__ */

cpp/service/stop.cpp

@@ -29,8 +29,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <cstdlib> // std::atoi
 #include <cstdio> // FILE, std::feof, std::fgets
 
-namespace comfortable_swipe::service
+namespace comfortable_swipe
 {
+    namespace service
+    {
         /**
          * Stops all comfortable-swipe instances.
          */
@@ -65,6 +67,7 @@ namespace comfortable_swipe::service
             // run "kill {pid1} {pid2}..."
             (void) std::system(kill.data());
         }
+    }
 }
 
 #endif /* __COMFORTABLE_SWIPE__service_stop__ */

cpp/util/_index.hpp

@@ -4,15 +4,12 @@
 #include <map> // std::map
 #include <string> // std::string
 
-extern "C"
+namespace comfortable_swipe
 {
-    namespace comfortable_swipe
-    {
     namespace util
     {
         std::map<std::string, std::string> read_config_file(const char*);
     }
-    }
 }
 
 #endif /* __COMFORTABLE_SWIPE__util_index_hpp__ */

cpp/util/read_config_file.cpp

@@ -22,14 +22,16 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <map> // std::map
 #include <string> // std::string
 #include <fstream> // std::ifstream
-#include <sstream> // std::ostringstream
 #include <iostream> // std::endl, std::getline
+#include <sstream> // std::ostringstream
 #include <cstdlib> // exit
 #include <cctype> // std::isspace
 #include <stdexcept> // std::runtime_error
 
-namespace comfortable_swipe::util
+namespace comfortable_swipe
 {
+    namespace util
+    {
         /**
          * A utility method for reading the config file.
          *
@@ -39,7 +41,7 @@ namespace comfortable_swipe::util
         {
 
             std::map<std::string, std::string> conf;
-        std::ifstream fin(filename);
+            std::ifstream fin(filename, std::ios::in);
 
             if (!fin.is_open())
             {
@@ -99,5 +101,7 @@ namespace comfortable_swipe::util
 
             return conf;
         }
+    }
 }
+
 #endif /* __COMFORTABLE_SWIPE__util_read_config_file__ */

setup.py

@@ -49,9 +49,6 @@ try:
         COMFORTABLE_SWIPE_CONFIG='"{}"'.format(CONFIG)
     )
 
-    # make sure to use gnu-gcc
-    os.putenv('CC', 'x86_64-linux-gnu-gcc')
-
     # read C++ libraries for comfortable swipe
     extensions = [Extension(
         name='{}.cpp.{}'.format(PYTHON_NAME, extension_name),