ENH: add '-s|-t' options for foamNew, cat to stdout on '-' prefixed class name

- eg, "foamNewSource IO -", "foamNew -s IO -"  displays on stdout
  convenient for grabbing boilerplate directly

bin/foamNew

@@ -36,7 +36,9 @@ Usage: ${0##*/} <type> {args}
 
 * create a new standard OpenFOAM source or template file
 
-type: (source|template)
+type:
+    -s | -source | source
+    -t | -template | template
 
 USAGE
     exit 1
@@ -47,16 +49,16 @@ USAGE
 [ "$#" -gt 1 ] || usage
 
 case "$1" in
-source)
+(-s | -source | source)
     shift
     $WM_PROJECT_DIR/etc/codeTemplates/source/foamNewSource $*
     ;;
-template)
+(-t | -template | template)
     shift
     $WM_PROJECT_DIR/etc/codeTemplates/template/foamNewTemplate $*
     ;;
-*)
+(*)
-    usage "unknown type"
+    usage "unknown type '$1'"
     ;;
 esac
 

etc/codeTemplates/source/foamNewSource

@@ -35,50 +35,66 @@ Template="$WM_PROJECT_DIR/etc/codeTemplates/source/_Template"
 usage() {
     while [ "$#" -ge 1 ]; do echo "$1"; shift; done
     cat<<USAGE
-Usage: $Script <type> <ClassName>
+Usage: $Script [OPTION] <type> <ClassName>
+options:
+  -help             print the usage
 
 * create a new standard OpenFOAM source file
 
 type: (C|H|I|IO|App)
 
+A ClassName starting with '-' will simply display the template
+
 USAGE
     exit 1
 }
 
 
+className="$2"
+unset subType Type printOpt
+
+# for a className starting with '-' simply display the code
+if [ "${2#-}" != "${2}" ]
+then
+    printOpt=true
+fi
+
+
 # this implicitly covers a lone -help
 [ "$#" -gt 1 ] || usage
 
-className="$2"
-unset subType Type
-
 case "$1" in
--h | -help)
+(-h | -help)
     usage
     ;;
-C|H)
+(C|H)
     Type=".$1"
     ;;
-I)
+(I)
     Type="$1.H"
     ;;
-IO)
+(IO)
     Type="$1.C"
     ;;
-app|App)
+(app|App)
     subType=App
     Type=".C"
     ;;
-*)
+(*)
-    usage "unknown type"
+    usage "unknown type '$1'"
     ;;
 esac
+
 [ "$#" -eq 2 ] || usage "wrong number of arguments"
 shift 2
 
 
-fileName="$className$Type"
+if [ "${printOpt:-false}" = true ]
+then
+    cat $Template$subType$Type
+else
 
+    fileName="$className$Type"
 
     echo "$Script: Creating new interface file $fileName"
     if [ -e "$fileName" ]
@@ -87,14 +103,13 @@ then
         exit 1
     fi
 
-
     # process class name
     sed "s/CLASSNAME/$className/g" $Template$subType$Type > $fileName
 
-
     if [ "$subType" = App -a ! -d Make ]
     then
         wmakeFilesAndOptions
     fi
+fi
 
 #------------------------------------------------------------------------------

etc/codeTemplates/template/foamNewTemplate

@@ -36,12 +36,16 @@ usage() {
     while [ "$#" -ge 1 ]; do echo "$1"; shift; done
     cat<<USAGE
 
-Usage: $Script <type> <ClassName> <Template arguments...>
+Usage: $Script [OPTION] <type> <ClassName> <Template arguments...>
+options:
+  -help             print the usage
 
 * create a new standard OpenFOAM source file for templated classes
 
 type: (C|H|I|IO)
 
+A ClassName starting with '-' will simply display the template
+
 USAGE
     exit 1
 }
@@ -51,31 +55,48 @@ USAGE
 
 
 className="$2"
-unset Type
+unset Type printOpt
+
+# for a className starting with '-' simply display the code
+if [ "${2#-}" != "${2}" ]
+then
+    printOpt=true
+fi
+
 
 case "$1" in
--h | -help)
+(-h | -help)
     usage
     ;;
-C|H)
+(C|H)
     Type=".$1"
     ;;
-I)
+(I)
     Type="$1.H"
     ;;
-IO)
+(IO)
     Type="$1.C"
     ;;
 *)
-    usage "unknown type"
+    usage "unknown type '$1'"
     ;;
 esac
+
+
+if [ "${printOpt:-false}" = true ]
+then
+    [ "$#" -eq 2 ] || usage "wrong number of arguments"
+    shift 2
+
+    cat $Template$Type
+
+else
+
     [ "$#" -ge 3 ] || usage "wrong number of arguments"
     shift 2
 
     fileName="$className$Type"
 
-
     echo "$Script: Creating new template interface file $fileName"
     if [ -e "$fileName" ]
     then
@@ -88,7 +109,7 @@ fi
     sed -e "s/CLASSNAME/$className/g" $Template$Type > $fileName.1
 
 
-# process template arguments
+    # process remaining (template) arguments
     for tArg
     do
         sed -e "s/TemplateClassArgument/class $tArg, TemplateClassArgument/g" \
@@ -105,5 +126,5 @@ sed -e "s/, TemplateClassArgument//g" \
         $fileName.1 > $fileName
 
     rm $fileName.1
-
+fi
 #------------------------------------------------------------------------------