From 5833e7483357daa24b8ddc1f766a6446d0d30495 Mon Sep 17 00:00:00 2001
From: dvs1
Date: Fri, 25 Oct 2024 13:40:21 +1000
Subject: Moved common stuff like --help, --version to an internal options
 table we scan as well.

---
 _.lua | 28 ++++++++++++++++++++++++----
 1 file changed, 24 insertions(+), 4 deletions(-)

(limited to '_.lua')

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)
-- 
cgit v1.1