Difference between revisions of "Module:Anchor/sandbox"

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blackwiki>Renamed user awfwvowjvwrvnwio
(Copying from Module:Anchor.)
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-- This module implements {{anchor}}.
 
-- This module implements {{anchor}}.
 
local getArgs = require('Module:Arguments').getArgs
 
local tableTools = require('Module:TableTools')
 
  
 
local p = {}
 
local p = {}
  
 
function p.main(frame)
 
function p.main(frame)
-- Get the positional arguments from #invoke, remove any nil values,
+
-- Algorithm:
-- and pass them to p._main.
+
-- Step 1. Create a local variable to store the anchors,
local args = getArgs(frame)
+
--   initialised to the empty string.
local argArray = tableTools.compressSparseArray(args)
+
local ret = ""
return p._main(unpack(argArray))
+
-- Step 2. Create a iterator variable, initialised to 1.
end
+
local i = 1
 
+
-- Step 3. While there exists a positional argument referenced by
function p._main(...)
+
--  the iterator variable, do the following:
-- Generate the list of anchors.
+
    while not (frame.args[i] == nil)
local anchors = {...}
+
    do
local ret = {}
+
    -- (a) Add a empty span whose id is the value of the argument
for _, anchor in ipairs(anchors) do
+
    --  to the local variable storing the anchors;
ret[#ret + 1] = '<span id="' .. anchor .. '"></span>'
+
        ret = ret .. '<span id="' .. frame.args[i] .. '"></span>'
end
+
        -- (b) Increment the iterator variable.
return table.concat(ret)
+
        i = i + 1
 +
    end
 +
    -- Step 4. Return the value of the local variable storing the anchors.
 +
    return ret
 
end
 
end
  
 
return p
 
return p

Latest revision as of 13:08, 26 September 2020

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

-- This module implements {{anchor}}.

local p = {}

function p.main(frame)
	-- Algorithm:
	-- Step 1. Create a local variable to store the anchors,
	--   initialised to the empty string.
	local ret = ""
	-- Step 2. Create a iterator variable, initialised to 1.
	local i = 1
	-- Step 3. While there exists a positional argument referenced by
	--   the iterator variable, do the following:
    while not (frame.args[i] == nil)
    do
    	-- (a) Add a empty span whose id is the value of the argument
    	--   to the local variable storing the anchors;
        ret = ret .. '<span id="' .. frame.args[i] .. '"></span>'
        -- (b) Increment the iterator variable.
        i = i + 1
    end
    -- Step 4. Return the value of the local variable storing the anchors.
    return ret
end

return p