Code refactoring for merging

- license header in new files
- changed "powerline" into "powerline-right"
- added braces around one-liners
- small fixes concerning whitespace

README.rst

@@ -118,7 +118,7 @@ The full usage::
            Prints this help message
   --colors
           Use tmux colors in output
-  --powerline
+  --powerline-right
           Use powerline symbols throughout the output, DO NOT reset background color at the end, enables --colors
   -i <value>, --interval <value>
           Set tmux status refresh interval in seconds. Default: 1 second

common/load.cc

@@ -78,11 +78,15 @@ std::string load_string( bool use_colors, bool use_powerline )
     if( use_colors )
     {
       if( use_powerline )
+      {
         ss << ' ';
+      }
       else
+      {
         ss << "#[fg=default,bg=default]";
       }
     }
+  }
 
   return ss.str();
 }

common/main.cc

@@ -67,10 +67,14 @@ std::string cpu_string( unsigned int cpu_usage_delay, unsigned int graph_lines,
   if( use_colors )
   {
     if( use_powerline )
+    {
       oss << ' ';
+    }
     else
+    {
       oss << "#[fg=default,bg=default]";
     }
+  }
 
   return oss.str();
 }
@@ -88,7 +92,7 @@ void print_help()
     << "-c, --colors\n"
     << "--colors\n"
     << "\tUse tmux colors in output\n"
-    << "-p, --powerline\n"
+    << "-p, --powerline-right\n"
     << "\tUse powerline symbols throughout the output, DO NOT reset background color at the end, enables --colors\n"
     << "-i <value>, --interval <value>\n"
     << "\tSet tmux status refresh interval in seconds. Default: 1 second\n"
@@ -115,7 +119,7 @@ int main( int argc, char** argv )
     // otherwise it's a value to set the variable *flag points to
     { "help", no_argument, NULL, 'h' },
     { "colors", no_argument, NULL, 'c' },
-    { "powerline", no_argument, NULL, 'p' },
+    { "powerline-right", no_argument, NULL, 'p' },
     { "interval", required_argument, NULL, 'i' },
     { "graph-lines", required_argument, NULL, 'g' },
     { "mem-mode", required_argument, NULL, 'm' },
@@ -135,7 +139,7 @@ int main( int argc, char** argv )
       case 'c': // --colors
         use_colors = true;
         break;
-      case 'p': // --powerline
+      case 'p': // --powerline-right
         use_colors = true;
         use_powerline = true;
         break;

common/powerline.cc

@@ -1,3 +1,21 @@
+/* vim: tabstop=2 shiftwidth=2 expandtab textwidth=80 linebreak wrap
+ *
+ * Copyright 2012 Matthew McCormick
+ * Copyright 2016 Michał Goliński
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "powerline.h"
 
 #include <cstring>
@@ -19,9 +37,13 @@ const char * bg2fg(const char s[])
 void powerline(std::ostringstream &oss, const char s[], bool use_powerline)
 {
     if( use_powerline )
+    {
         oss << bg2fg(s)
             << PWL_RIGHT_FILLED
             << s << ' ';
+    }
     else
+    {
         oss << s;
     }
+}

common/powerline.h

@@ -1,3 +1,21 @@
+/* vim: tabstop=2 shiftwidth=2 expandtab textwidth=80 linebreak wrap
+ *
+ * Copyright 2012 Matthew McCormick
+ * Copyright 2016 Michał Goliński
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef POWERLINE_H
 #define POWERLINE_H