ENH: allow command-line options to be tagged as "advanced"

- advanced options are not displayed with -help, but only with
  -help-full, which helps retain a better overview of the standard
  options.  Replaces previous ad hoc suppression of -listSwitches,
  -listRegisteredSwitches etc.

src/OpenFOAM/global/argList/argList.C

@@ -52,6 +52,7 @@ License
 bool Foam::argList::argsMandatory_ = true;
 bool Foam::argList::checkProcessorDirectories_ = true;
 Foam::SLList<Foam::string>    Foam::argList::validArgs;
+Foam::HashSet<Foam::string>   Foam::argList::advancedOptions;
 Foam::HashTable<Foam::string> Foam::argList::validOptions;
 Foam::HashTable<Foam::string> Foam::argList::validParOptions;
 Foam::HashTable<Foam::string> Foam::argList::optionUsage;
@@ -234,10 +235,11 @@ void Foam::argList::addArgument(const string& argName)
 void Foam::argList::addBoolOption
 (
     const word& optName,
-    const string& usage
+    const string& usage,
+    const bool advanced
 )
 {
-    addOption(optName, "", usage);
+    addOption(optName, "", usage, advanced);
 }
 
 
@@ -245,7 +247,8 @@ void Foam::argList::addOption
 (
     const word& optName,
     const string& param,
-    const string& usage
+    const string& usage,
+    const bool advanced
 )
 {
     validOptions.set(optName, param);
@@ -253,6 +256,10 @@ void Foam::argList::addOption
     {
         optionUsage.set(optName, usage);
     }
+    if (advanced)
+    {
+        advancedOptions.set(optName);
+    }
 }
 
 
@@ -314,6 +321,7 @@ void Foam::argList::removeOption(const word& optName)
 {
     validOptions.erase(optName);
     optionUsage.erase(optName);
+    advancedOptions.erase(optName);
 }
 
 
@@ -361,7 +369,8 @@ void Foam::argList::noLibs()
     addBoolOption
     (
         "no-libs",
-        "disable use of the controlDict libs entry"
+        "disable use of the controlDict libs entry",
+        true  // advanced
     );
 }
 
@@ -427,7 +436,7 @@ void Foam::argList::printOptionUsage
             else if (isspace(str[curr+1]))
             {
                 // The next one is a space - so we are okay
-                curr++;  // otherwise the length is wrong
+                ++curr;  // otherwise the length is wrong
                 next = str.find_first_not_of(" \t\n", curr);
             }
             else
@@ -1575,16 +1584,8 @@ void Foam::argList::printUsage(bool full) const
 
     for (const word& optName : validOptions.sortedToc())
     {
-        // Ad hoc suppression of some options for regular (non-full) help
-        if
-        (
-            !full
-         &&
-            (
-                // '-listXXX' and '-list-XXX' but not '-list'
-                (optName.size() > 4 && optName.startsWith("list"))
-            )
-        )
+        // Suppress advanced options for regular -help.
+        if (advancedOptions.found(optName) && !full)
         {
             continue;
         }

src/OpenFOAM/global/argList/argList.H

@@ -97,6 +97,7 @@ SourceFiles
 #include "stringList.H"
 #include "SubList.H"
 #include "SLList.H"
+#include "HashSet.H"
 #include "HashTable.H"
 #include "word.H"
 #include "fileName.H"
@@ -193,6 +194,9 @@ public:
         //- A list of valid (mandatory) arguments
         static SLList<string> validArgs;
 
+        //- The "advanced" options are shown with -help-full (not with --help)
+        static HashSet<string> advancedOptions;
+
         //- A list of valid options
         static HashTable<string> validOptions;
 
@@ -386,7 +390,8 @@ public:
         static void addBoolOption
         (
             const word& optName,
-            const string& usage = ""
+            const string& usage = "",
+            const bool advanced = false
         );
 
         //- Add an option to validOptions with usage information
@@ -395,7 +400,8 @@ public:
         (
             const word& optName,
             const string& param = "",
-            const string& usage = ""
+            const string& usage = "",
+            const bool advanced = false
         );
 
         //- Specify an alias for the option name.

src/OpenFOAM/include/listOptions.H

 argList::addBoolOption
 (
     "listSwitches",
-    "List switches declared in libraries but not set in etc/controlDict"
+    "List switches declared in libraries but not set in etc/controlDict",
+    true // advanced
 );
 argList::addBoolOption
 (
     "listRegisteredSwitches",
-    "List switches registered for run-time modification"
+    "List switches registered for run-time modification",
+    true // advanced
 );
 argList::addBoolOption
 (
     "listUnsetSwitches",
-    "List switches declared in libraries but not set in etc/controlDict"
+    "List switches declared in libraries but not set in etc/controlDict",
+    true // advanced
 );
 
 #ifdef fvPatchField_H
 argList::addBoolOption
 (
     "listScalarBCs",
-    "List scalar field boundary conditions (fvPatchField<scalar>)"
+    "List scalar field boundary conditions (fvPatchField<scalar>)",
+    true // advanced
 );
 argList::addBoolOption
 (
     "listVectorBCs",
-    "List vector field boundary conditions (fvPatchField<vector>)"
+    "List vector field boundary conditions (fvPatchField<vector>)",
+    true // advanced
 );
 #endif
 
@@ -31,7 +36,8 @@ argList::addBoolOption
 argList::addBoolOption
 (
     "listFunctionObjects",
-    "List functionObjects"
+    "List functionObjects",
+    true // advanced
 );
 #endif
 
@@ -39,7 +45,8 @@ argList::addBoolOption
 argList::addBoolOption
 (
     "listFvOptions",
-    "List fvOptions"
+    "List fvOptions",
+    true // advanced
 );
 #endif
 
@@ -47,6 +54,7 @@ argList::addBoolOption
 argList::addBoolOption
 (
     "listTurbulenceModels",
-    "List turbulenceModels"
+    "List turbulenceModels",
+    true // advanced
 );
 #endif

src/OpenFOAM/include/listOutput.H

-bool listOptions = false ;
+bool listOptions = false;
 
 if
 (