Moved common stuff like --help, --version to an internal options table we scan as well.

1 files changed, 24 insertions, 4 deletions

diff --git a/_.lua b/_.lua
index 5c8963b..a2607f5 100755
--- a/_.lua
+++ b/_.lua
@@ -26,12 +26,29 @@ E = function(s)	print('ERROR    ' .. s); io.flush() end
 C = function(s) print('CRITICAL ' .. s); io.flush() end
 
 
--- TODO - move common stuff like -q, -v, --help, --version to an internal options table we scan as well.
+local optionsCommon =
+{
+    help =      {help = 'Print the help text',
+        func = function(self, a, args, i)
+            print(Help)
+            os.exit(0)
+        end
+    },
+    ['--version'] =     {help = 'Print the version details.',
+        func = function(self, a, args, i)
+            print('This is version ' ..Version .. ' of ' .. args[0])
+            os.exit(0)
+        end
+    },
+}
+optionsCommon['--help'] = optionsCommon['help']
+
 _.parse = function(args, options, confFile)
     local o = nil
 
     local doIt = function(name, val, a, args, i)
             local o = options[name]
+            if nil == o then o = optionsCommon[name] end
             if nil ~= o then
                 if nil ~= val then o.value = val; D(name .. ' = ' .. tostring(val)) end
                 if nil ~= o.func then o:func(a, args, i) end
@@ -48,8 +65,8 @@ _.parse = function(args, options, confFile)
                 h:close()
                 local ar = dofile(p)
                 for k, w in pairs(ar) do
-                    o = doIt(k, w, k .. '=' .. tostring(w), args, i)
-                    if nil == o then E('config variable not found ' .. k .. ' = ' .. tostring(w)) end
+                    doIt(k, w, k .. '=' .. tostring(w), args, i)
+                    if nil == o then W('config variable not found ' .. k .. ' = ' .. tostring(w)) end
                 end
             end
         end
@@ -71,7 +88,10 @@ _.parse = function(args, options, confFile)
     if nil == o then
         local h = ''
         for k, v in pairs(options) do
-            h = h .. k .. ' | '
+            if 'table' == type(v) then h = h .. k .. ' | ' end
+        end
+        for k, v in pairs(optionsCommon) do
+            if 'table' == type(v) then h = h .. k .. ' | ' end
         end
         print('Usage: ' .. args[0] .. ' {' .. string.sub(h, 1, -2) .. '}')
         os.exit(0)