Use argList::addOption, argList::addBoolOption (almost) everywhere

- ensure that the standard options (eg, from timeSelector) also have
  some usage information

src/OpenFOAM/db/Time/timeSelector.C

@@ -124,15 +124,37 @@ void Foam::timeSelector::addOptions
 {
     if (constant)
     {
-        argList::validOptions.insert("constant", "");
+        argList::addBoolOption
+        (
+            "constant",
+            "include the 'constant/' dir in the times list"
+        );
     }
     if (zeroTime)
     {
-        argList::validOptions.insert("zeroTime", "");
+        argList::addBoolOption
+        (
+            "zeroTime",
+            "include the '0/' dir in the times list"
+        );
     }
-    argList::validOptions.insert("noZero", "");
-    argList::validOptions.insert("time", "ranges");
-    argList::validOptions.insert("latestTime", "");
+    argList::addBoolOption
+    (
+        "noZero",
+        "exclude the '0/' dir from the times list, "
+        "has precedence over the -zeroTime option"
+    );
+    argList::addBoolOption
+    (
+        "latestTime",
+        "select the latest time"
+    );
+    argList::addOption
+    (
+        "time",
+        "ranges",
+        "comma-separated time ranges - eg, ':10,20,40-70,1000:'"
+    );
 }
 
 

src/OpenFOAM/include/addRegionOption.H

@@ -2,4 +2,10 @@
 // addRegionOption.H
 // ~~~~~~~~~~~~~~~~~
 
-    Foam::argList::validOptions.insert("region", "name");
+    Foam::argList::addOption
+    (
+        "region",
+        "name",
+        "specify alternative mesh region"
+    );
+

src/OpenFOAM/include/addTimeOptions.H

@@ -2,7 +2,28 @@
 // addTimeOptions.H
 // ~~~~~~~~~~~~~~~~
 
-    Foam::argList::validOptions.insert("constant", "");
-    Foam::argList::validOptions.insert("latestTime", "");
-    Foam::argList::validOptions.insert("noZero", "");
-    Foam::argList::validOptions.insert("time", "time");
+    Foam::argList::addBoolOption
+    (
+        "constant",
+        "include the 'constant/' dir in the times list"
+    );
+
+    Foam::argList::addBoolOption
+    (
+        "latestTime",
+        "select the latest time"
+    );
+
+    Foam::argList::addBoolOption
+    (
+        "noZero",
+        "exclude the '0/' dir from the times list"
+    );
+
+    Foam::argList::addOption
+    (
+        "time",
+        "time",
+        "specify a single time value to select"
+    );
+

src/postProcessing/postCalc/postCalc.C

@@ -58,8 +58,16 @@ namespace Foam
 int main(int argc, char *argv[])
 {
     Foam::timeSelector::addOptions();
-    Foam::argList::validOptions.insert("noWrite", "");
-    Foam::argList::validOptions.insert("dict", "dictionary name");
+    Foam::argList::addBoolOption
+    (
+        "noWrite",
+        "suppress writing results"
+    );
+    Foam::argList::addOption
+    (
+        "dict",
+        "dictionary name"
+    );
 
 #   include "setRootCase.H"
 #   include "createTime.H"