improve help generation3.0.4

2 files changed, 31 insertions, 3 deletions

diff --git a/Doxyfile b/Doxyfile
index e796441..4182cbc 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = "args"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 3.0.3
+PROJECT_NUMBER         = 3.0.4
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/args.hxx b/args.hxx
index 0b88924..3a60d77 100644
--- a/args.hxx
+++ b/args.hxx
@@ -765,6 +765,7 @@ namespace args
     {
         private:
             std::string prog;
+            std::string proglinePostfix;
             std::string description;
             std::string epilog;
 
@@ -814,6 +815,14 @@ namespace args
                 /** Show the terminator when both options and positional parameters are present
                  */
                 bool showTerminator = true;
+
+                /** Show the {OPTIONS} on the prog line when this is true
+                 */
+                bool showProglineOptions = true;
+
+                /** Show the positionals on the prog line when this is true
+                 */
+                bool showProglinePositionals = true;
             } helpParams;
             ArgumentParser(const std::string &description, const std::string &epilog = std::string()) :
                 Group("arguments", Group::Validators::AllChildGroups),
@@ -837,6 +846,15 @@ namespace args
             void Prog(const std::string &prog)
             { this->prog = prog; }
 
+            /** The description that appears on the prog line after options and positionals
+             */
+            const std::string &ProglinePostfix() const
+            { return proglinePostfix; }
+            /** The description that appears on the prog line after options and positionals
+             */
+            void ProglinePostfix(const std::string &proglinePostfix)
+            { this->proglinePostfix = proglinePostfix; }
+
             /** The description that appears above options
              */
             const std::string &Description() const
@@ -946,12 +964,22 @@ namespace args
                 if (HasFlag())
                 {
                     hasoptions = true;
-                    prognameline << " {OPTIONS}";
+                    if (helpParams.showProglineOptions)
+                    {
+                        prognameline << " {OPTIONS}";
+                    }
                 }
                 for (const std::string &posname: GetPosNames())
                 {
                     hasarguments = true;
-                    prognameline << " [" << posname << ']';
+                    if (helpParams.showProglinePositionals)
+                    {
+                        prognameline << " [" << posname << ']';
+                    }
+                }
+                if (!proglinePostfix.empty())
+                {
+                    prognameline << ' ' << proglinePostfix;
                 }
                 const std::vector<std::string> proglines(Wrap(prognameline.str(), helpParams.width - (helpParams.progindent + 4), helpParams.width - helpParams.progindent));
                 auto progit = std::begin(proglines);