Trim trailing spaces.

Author: Lastique

example/config_file_types.cpp

@@ -38,7 +38,7 @@ stringstream make_file()
    ss << "word = word\n";
    ss << "phrase = this is a phrase\n";
    ss << "quoted = \"quotes are in result\"\n";
-   
+
    ss << "\n[ints]\n";
    ss << "positive = 41\n";
    ss << "negative = -42\n";
@@ -71,7 +71,7 @@ stringstream make_file()
    ss << "onoff_true = on\n";
    ss << "onoff_false = off\n";
    ss << "present_equal_true = \n";
-   //FAILS: Must be an = 
+   //FAILS: Must be an =
    //ss << "present_no_equal_true\n";
 
    ss.seekp(ios_base::beg);
@@ -236,7 +236,7 @@ int main(int ac, char* av[])
    auto opts = set_options();
    po::variables_map vars;
    auto unregistered = parse_file(file, opts, vars);
-   check_results(vars, unregistered);   
+   check_results(vars, unregistered);
 
    return 0;
 }

example/custom_syntax.cpp

@@ -5,8 +5,8 @@
 
 /** This example shows how to support custom options syntax.
 
-    It's possible to install 'custom_parser'. It will be invoked on all command 
-    line tokens and can return name/value pair, or nothing. If it returns 
+    It's possible to install 'custom_parser'. It will be invoked on all command
+    line tokens and can return name/value pair, or nothing. If it returns
     nothing, usual processing will be done.
 */
 
@@ -20,7 +20,7 @@ using namespace boost::program_options;
 #include <iostream>
 using namespace std;
 
-/*  This custom option parse function recognize gcc-style 
+/*  This custom option parse function recognize gcc-style
     option "-fbar" / "-fno-bar".
 */
 pair<string, string> reg_foo(const string& s)
@@ -32,7 +32,7 @@ pair<string, string> reg_foo(const string& s)
             return make_pair(s.substr(2), string("true"));
     } else {
         return make_pair(string(), string());
-    }    
+    }
 }
 
 int main(int ac, char* av[])
@@ -53,7 +53,7 @@ int main(int ac, char* av[])
             cout << "\nIn addition -ffoo and -fno-foo syntax are recognized.\n";
         }
         if (vm.count("foo")) {
-            cout << "foo value with the value of " 
+            cout << "foo value with the value of "
                  << vm["foo"].as<string>() << "\n";
         }
     }

example/first.cpp

@@ -23,17 +23,17 @@ int main(int ac, char* av[])
             ("compression", po::value<double>(), "set compression level")
         ;
 
-        po::variables_map vm;        
+        po::variables_map vm;
         po::store(po::parse_command_line(ac, av, desc), vm);
-        po::notify(vm);    
+        po::notify(vm);
 
         if (vm.count("help")) {
             cout << desc << "\n";
             return 0;
         }
 
         if (vm.count("compression")) {
-            cout << "Compression level was set to " 
+            cout << "Compression level was set to "
                  << vm["compression"].as<double>() << ".\n";
         } else {
             cout << "Compression level was not set.\n";

example/multiple_sources.cpp

@@ -18,7 +18,7 @@ using namespace std;
 template<class T>
 ostream& operator<<(ostream& os, const vector<T>& v)
 {
-    copy(v.begin(), v.end(), ostream_iterator<T>(os, " ")); 
+    copy(v.begin(), v.end(), ostream_iterator<T>(os, " "));
     return os;
 }
 
@@ -28,8 +28,8 @@ int main(int ac, char* av[])
     try {
         int opt;
         string config_file;
-    
-        // Declare a group of options that will be 
+
+        // Declare a group of options that will be
         // allowed only on command line
         po::options_description generic("Generic options");
         generic.add_options()
@@ -38,16 +38,16 @@ int main(int ac, char* av[])
             ("config,c", po::value<string>(&config_file)->default_value("multiple_sources.cfg"),
                   "name of a file of a configuration.")
             ;
-    
-        // Declare a group of options that will be 
+
+        // Declare a group of options that will be
         // allowed both on command line and in
         // config file
         po::options_description config("Configuration");
         config.add_options()
-            ("optimization", po::value<int>(&opt)->default_value(10), 
+            ("optimization", po::value<int>(&opt)->default_value(10),
                   "optimization level")
-            ("include-path,I", 
-                 po::value< vector<string> >()->composing(), 
+            ("include-path,I",
+                 po::value< vector<string> >()->composing(),
                  "include path")
             ;
 
@@ -58,7 +58,7 @@ int main(int ac, char* av[])
             ("input-file", po::value< vector<string> >(), "input file")
             ;
 
-        
+
         po::options_description cmdline_options;
         cmdline_options.add(generic).add(config).add(hidden);
 
@@ -67,15 +67,15 @@ int main(int ac, char* av[])
 
         po::options_description visible("Allowed options");
         visible.add(generic).add(config);
-        
+
         po::positional_options_description p;
         p.add("input-file", -1);
-        
+
         po::variables_map vm;
         store(po::command_line_parser(ac, av).
               options(cmdline_options).positional(p).run(), vm);
         notify(vm);
-        
+
         ifstream ifs(config_file.c_str());
         if (!ifs)
         {
@@ -87,7 +87,7 @@ int main(int ac, char* av[])
             store(parse_config_file(ifs, config_file_options), vm);
             notify(vm);
         }
-    
+
         if (vm.count("help")) {
             cout << visible << "\n";
             return 0;
@@ -100,22 +100,22 @@ int main(int ac, char* av[])
 
         if (vm.count("include-path"))
         {
-            cout << "Include paths are: " 
+            cout << "Include paths are: "
                  << vm["include-path"].as< vector<string> >() << "\n";
         }
 
         if (vm.count("input-file"))
         {
-            cout << "Input files are: " 
+            cout << "Input files are: "
                  << vm["input-file"].as< vector<string> >() << "\n";
         }
 
-        cout << "Optimization level is " << opt << "\n";                
+        cout << "Optimization level is " << opt << "\n";
     }
     catch(exception& e)
     {
         cout << e.what() << "\n";
         return 1;
-    }    
+    }
     return 0;
 }

example/option_groups.cpp

@@ -53,7 +53,7 @@ int main(int ac, char* av[])
         backend.add_options()
             ("num-threads", value<int>(), "the initial number of threads")
             ;
-            
+
         // Declare an options description instance which will include
         // all the options
         options_description all("Allowed options");
@@ -63,12 +63,12 @@ int main(int ac, char* av[])
         // to the user
         options_description visible("Allowed options");
         visible.add(general).add(gui);
-           
+
 
         variables_map vm;
         store(parse_command_line(ac, av, all), vm);
 
-        if (vm.count("help")) 
+        if (vm.count("help"))
         {
             cout << visible;
             return 0;
@@ -80,16 +80,16 @@ int main(int ac, char* av[])
             } else if (s == "backend") {
                 cout << backend;
             } else {
-                cout << "Unknown module '" 
+                cout << "Unknown module '"
                      << s << "' in the --help-module option\n";
                 return 1;
             }
             return 0;
         }
         if (vm.count("num-threads")) {
             cout << "The 'num-threads' options was set to "
-                 << vm["num-threads"].as<int>() << "\n";            
-        }                           
+                 << vm["num-threads"].as<int>() << "\n";
+        }
     }
     catch(std::exception& e) {
         cout << e.what() << "\n";

example/options_heirarchy.cpp

@@ -3,9 +3,9 @@
 // (See accompanying file LICENSE_1_0.txt
 // or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-// 
+//
 // This is an example of a program that uses multiple facets of the boost
-// program_options library. It will go through different types of config 
+// program_options library. It will go through different types of config
 // options in a heirarchal manner:
 // 1. Default options are set.
 // 2. Command line options are set (they override defaults).
@@ -16,7 +16,7 @@
 //    other steps).
 // 5. Default config file (default.cfg) is read, if present (it overrides
 //    defaults but not options from the other steps).
-// 
+//
 // See the bottom of this file for full usage examples
 //
 
@@ -217,7 +217,7 @@ class OptionsHeirarchy
       std::cout << "Program Options Example " << version << std::endl;
       throw OptionsExitsProgram();
    }
-   void ParseEnvironment() 
+   void ParseEnvironment()
    {
       store(po::parse_environment(common_options,
          // The next two lines are the crazy syntax to use EnvironmentMapper as
@@ -333,16 +333,16 @@ int main(int ac, char* av[])
    return 0;
 }
 
-/* 
+/*
 Full Usage Examples
 ===================
 
-These were run on windows, so some results may show that environment, but 
+These were run on windows, so some results may show that environment, but
 results should be similar on POSIX platforms.
 
 Help
 ----
-To see the help screen, with the available options just pass the --help (or -h) 
+To see the help screen, with the available options just pass the --help (or -h)
 parameter. The program will then exit.
 
     > example.exe --help
@@ -367,10 +367,10 @@ Version is similar to help (--version or -v).
 
 Basics
 ------
-Running without any options will get the default values (path is set from the 
+Running without any options will get the default values (path is set from the
 environment):
 
-    > example.exe 
+    > example.exe
     First 75 chars of the system path:
     C:\Program Files (x86)\MSBuild\14.0\bin;C:\Perl\site\bin;C:\Perl\bin;C:\Pro
     Verbosity: INFO
@@ -436,8 +436,8 @@ Or you can put the option immediately after it:
     Network Address: 127.0.0.1
     Network Port: 12345
 
-The include path (--include-path or -I) option allows for multiple paths to be 
-specified (both on the command line and in config files) and combined into a 
+The include path (--include-path or -I) option allows for multiple paths to be
+specified (both on the command line and in config files) and combined into a
 vector for use by the program.
 
     > example.exe --include-path=a/b/c --include-path d/e/f -I g/h/i -Ij/k/l
@@ -455,7 +455,7 @@ vector for use by the program.
     Network Address: 127.0.0.1
     Network Port: 12345
 
-There are also the option of flags that do not take parameters and just set a 
+There are also the option of flags that do not take parameters and just set a
 boolean value to true. In this case, running the gui also causes default values
 for the gui to be output to the screen.
 
@@ -491,7 +491,7 @@ one specifies the "master" file the others are additional files.
 
 Environment Variables
 ---------------------
-In addition to the PATH environment variable, it also knows how to read the 
+In addition to the PATH environment variable, it also knows how to read the
 EXAMPLE_VERBOSE environmental variable and use that to set the verbosity
 option/
 
@@ -509,7 +509,7 @@ option/
 
 However, if the --verboseity flag is also set, it will override the env
 variable. This illustrates an important example, the way program_options works,
-is that a parser will not override a value that has previously been set by 
+is that a parser will not override a value that has previously been set by
 another parser. Thus the env parser doesn't override the command line parser.
 (We will see this again in config files.) Default values are seperate from this
 heirarcy, they only apply if no parser has set the value and it is being read.
@@ -527,7 +527,7 @@ heirarcy, they only apply if no parser has set the value and it is being read.
     Network Port: 12345
 
 (You can unset an environmental variable with an empty set command)
-   
+
     > set EXAMPLE_VERBOSE=
     > example.exe
     First 75 chars of the system path:
@@ -544,7 +544,7 @@ heirarcy, they only apply if no parser has set the value and it is being read.
 Config Files
 ------------
 Config files generally follow the [INI file format]
-(https://en.wikipedia.org/wiki/INI_file) with a few exceptions. 
+(https://en.wikipedia.org/wiki/INI_file) with a few exceptions.
 
 Values can be simply added tp options with an equal sign. Here are two include
 paths added via the default config file (default.cfg), you can have optional
@@ -661,7 +661,7 @@ Results in a combination of all three config files:
     Network Address: 5.6.7.8
     Network Port: 3000
 
-Incidently the boolean run-gui option could have been set a number of ways 
+Incidently the boolean run-gui option could have been set a number of ways
 that all result in the C++ boolean value of true:
 
     run-gui=true
@@ -672,10 +672,10 @@ that all result in the C++ boolean value of true:
 
 Since run-gui is an option that was set with the bool_switch type, which
 forces its use on the command line without a parameter (i.e. --run-gui instead
-of --run-gui=true) it can't be given a "false" option, bool_switch values can 
+of --run-gui=true) it can't be given a "false" option, bool_switch values can
 only be turned true. If instead we had a value ("my-switch", po::value<bool>())
-that could be set at the command line --my-switch=true or --my-switch=false, or 
-any of the other types of boolean keywords true: true, on, 1, yes; 
+that could be set at the command line --my-switch=true or --my-switch=false, or
+any of the other types of boolean keywords true: true, on, 1, yes;
 false: false, off, 0, no. In a config file this could look like:
 
     my-switch=true