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Difference between revisions of "Module:Core"

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Line 2: Line 2:
 
local Utils = {}
 
local Utils = {}
  
function Utils.method(frame)
+
-- * Collection functions.
local m = require("Module:" .. frame.args[1])
 
local f = frame.args[2]
 
local args = {}
 
for k, v in ipairs(frame.args) do
 
if type(k) == "number" and k >= 3 and type(v) == "string" then
 
table.insert(args, v)
 
end
 
end
 
return m[f](m, unpack(args))
 
end
 
  
 
function Utils.find(tbl, v_, k_)
 
function Utils.find(tbl, v_, k_)
Line 52: Line 42:
 
     end
 
     end
 
end
 
end
 +
 +
-- * Calling arbitrary Lua functions using #invoke.
 +
 +
-- Used to call Formatting:tooltip in Template:Tooltip, mainly because Lua code properly escapes characters,
 +
-- so that span's title attribute always works.
 +
function Utils.method(frame)
 +
local m = require("Module:" .. frame.args[1])
 +
local f = frame.args[2]
 +
local args = {}
 +
for k, v in ipairs(frame.args) do
 +
if type(k) == "number" and k >= 3 and type(v) == "string" then
 +
table.insert(args, v)
 +
end
 +
end
 +
return m[f](m, unpack(args))
 +
end
 +
 +
-- * Frame functions.
  
 
local getArgs = require("Module:GetArgs")
 
local getArgs = require("Module:GetArgs")
  
 +
-- Unused.
 
function Utils.getContext(frame)
 
function Utils.getContext(frame)
 
     local frame1 = frame:getParent()
 
     local frame1 = frame:getParent()
Line 69: Line 78:
 
end
 
end
  
function Utils.test_context(frame)
+
-- getParent -> getArgs
     local context = Utils.getContext(frame)
+
function Utils.getParentArgs(frame)
     return "arg = " .. (context.args.arg or "?") .. " @ " .. (context.pagename or "?")
+
     local frame1 = frame:getParent()
 +
    if frame1 then
 +
        return getArgs{ frame = frame1 }
 +
     else
 +
        return nil
 +
    end
 +
end
 +
 
 +
-- getArgs + getParent -> getArgs, "implicit" args can be defined in the template (e.g. pagename={{PAGENAME}})
 +
-- "explicit" args are user defined.
 +
function Utils.getTemplateArgs(frame)
 +
    local frame1 = frame:getParent()
 +
    if frame1 then
 +
        return { implicit = getArgs{ frame = frame }, explicit = getArgs{ frame = frame1 } }
 +
    else
 +
        return { implicit = getArgs{ frame = frame }, explicit = {} }
 +
    end
 
end
 
end
  
 
return Utils
 
return Utils

Revision as of 10:10, 15 August 2016

Documentation for this module may be created at Module:Core/doc

local Utils = {}

-- * Collection functions.

function Utils.find(tbl, v_, k_)
	for _, v in pairs(tbl) do
		if k_ and v[k_] == v_ or not k_ and v == v_ then
			return true
		end
	end
	return false
end

function Utils.map(tbl, fn)
	local result = {}
	for _, v in pairs(tbl) do
		table.insert(result, fn(v))
	end
	return result
end
 
function Utils.filter(tbl, pred)
	local result = {}
	for _, v in pairs(tbl) do
		if pred(v) then
			table.insert(result, v)
		end
	end
	return result
end

function Utils.ifirst(tbl)
    for k, v in ipairs(tbl) do
        return k, v
    end
end

function Utils.first(tbl)
    for k, v in pairs(tbl) do
        return k, v
    end
end

-- * Calling arbitrary Lua functions using #invoke.

-- Used to call Formatting:tooltip in Template:Tooltip, mainly because Lua code properly escapes characters,
-- so that span's title attribute always works.
function Utils.method(frame)
	local m = require("Module:" .. frame.args[1])
	local f = frame.args[2]
	local args = {}
	for k, v in ipairs(frame.args) do
		if type(k) == "number" and k >= 3 and type(v) == "string" then
			table.insert(args, v)
		end
	end
	return m[f](m, unpack(args))
end

-- * Frame functions.

local getArgs = require("Module:GetArgs")

-- Unused.
function Utils.getContext(frame)
    local frame1 = frame:getParent()
    if frame1 then
        local frame2 = frame1:getParent()
        if frame2 then
            return { pagename = frame2:getTitle(), args = getArgs{ frame = frame2 } }
        else
            return { pagename = frame1:getTitle(), args = getArgs{ frame = frame1 } }
        end
    else
        return { pagename = frame:getTitle(), args = getArgs{ frame = frame } }
    end
end

-- getParent -> getArgs
function Utils.getParentArgs(frame)
    local frame1 = frame:getParent()
    if frame1 then
        return getArgs{ frame = frame1 }
    else
        return nil
    end
end

-- getArgs + getParent -> getArgs, "implicit" args can be defined in the template (e.g. pagename={{PAGENAME}})
-- "explicit" args are user defined.
function Utils.getTemplateArgs(frame)
    local frame1 = frame:getParent()
    if frame1 then
        return { implicit = getArgs{ frame = frame }, explicit = getArgs{ frame = frame1 } }
    else
        return { implicit = getArgs{ frame = frame }, explicit = {} }
    end
end

return Utils