Module:Dochead: Difference between revisions

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@@ Line 2: / Line 2: @@
 local getArgs = require("Module:Arguments").getArgs
 local ctg     = require("Module:Category handler")._category_handler
+local yesno   = require("Module:Yesno")
 local p = {}
@@ Line 20: / Line 21: @@
 -- Detect whether a page exists, where pagename is "Namespace:Title"
-function p.page_exists(pagename)
+function p.page_exists(fullpagename)
 	local pagename = pagename or "Template:Dochead"
 	local title = mw.title.new(pagename)
@@ Line 32: / Line 33: @@
 function p._dochead(args)
-	local pagename = args["pagename"]
+	local namespace = args["namespace"]
-	local header   = args["header"] or "none"
+	local pagename  = args["pagename" ]
-	local is_metause = args["is_metause"] or false
+	local header    = args["header"   ] or "none"
+	local corr_template = args["temp"   ] or "Template:" .. pagename
+	local corr_module   = args["mod"    ] or "Module"    .. pagename
+	-- If header is none, don't bother.
+	if header == "none" then return "" end
+	local result = ""
+	if namespace == "Module" then
+		if p.page_exists(corr_template) then
+			if header == "dualuse" then
+				result = string.format("This module may be invoked by templates by using its corresponding [[%s | template]], or used directly from other modules.", corr_template)
+			elseif header == "metatemplate" then
+				result = string.format("This module implements a metatemplate, and may be invoked by templates by using its corresponding [[%s | template]], or used directly from other modules.", corr_template)
+			elseif header == "noinvoke" then
+				result = string.format("This module should not be invoked directly; use its corresponding [[%s | template]] instead.", corr_template)
+			else
+				result = table.concat({header, string.format("This module implements [[%s]].", corr_template)}, " ")
+			end
+		else
+			if header == "library" or header == "metamodule" then
+				result = string.format("This module primarily serves as a library for other modules.")
+			else
+				result = header
+			end
+		end
+	elseif namespace == "Template" then
+		if header == "noinvoke" then header = "" end
+		if p.page_exists(corr_module) then
+			if header == "metatemplate" then
+				result = "This template is a metatemplate. It is used to build other templates and should not be used standalone, except for testing or simple usage." .. " " .. string.format("This template is implemented by the Lua module [[%s]].")
+			else
+				result = table.concat({header, string.format("This template is implemented by the Lua module [[%s]].")}, " ")
+			end
+		else
+			if header == "metatemplate" then
+				result = "This template is a metatemplate. It is used to build other templates and should not be used standalone, except for testing or simple usage."
+			else
+				result = header
+			end
+		end
+	else
+		result = "This template is in the wrong namespace. It should be used within the Template or Module namespaces."
+	end
+	return string.format(":''%s''", result)
 end
 function p.dochead(frame)
-	local args = getArgs(frame)
+	local args = getArgs(frame) or {}
+	-- Get current title
+	local title = mw.title.getCurrentTitle()
+	args["namespace"] = args["namespace"] or title.nsText
+	args["pagename"]  = args["pagename" ] or title.text
+	args["header"] = args["header"] or "noinvoke"
+	--return p._dochead(args)
+	return args["header"]
 end
 return p