Module:Get cell: Difference between revisions
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Sophivorus (talk | contribs) mNo edit summary |
Sophivorus (talk | contribs) Add some error handling |
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local tableId = args[2] |
local tableId = args[2] |
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if not tableId then |
if not tableId then |
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return mw.html.create( 'span' ):addClass( 'error' ):wikitext( 'No table id' ) |
return mw.html.create( 'span' ):addClass( 'error' ):wikitext( 'No table id' ) |
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end |
end |
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local tableWikitext = WikitextParser.getTableById( pageWikitext, tableId ) |
local tableWikitext = WikitextParser.getTableById( pageWikitext, tableId ) |
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-- Replace any placeholders (A1, B2, etc) in the given expression for the real values |
-- Replace any placeholders (A1, B2, etc) in the given expression for the real values |
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local expression = args[1] |
local expression = args[1] |
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if not expression then |
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return mw.html.create( 'span' ):addClass( 'error' ):wikitext( 'No expression given' ) |
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end |
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local lang = mw.language.getContentLanguage() |
local lang = mw.language.getContentLanguage() |
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local rowLetter, rowNumber, rowData, cellNumber, cellValue |
local rowLetter, rowNumber, rowData, cellNumber, cellValue |
Revision as of 19:41, 29 April 2024
-- This module serves to calculate a table cell out of the values of other cells
-- Documentation: https://en.wikipedia.org/wiki/Module:Calculated_cell
-- Authors: Sophivorus
-- License: GNU General Public License 3 or later (http://www.gnu.org/licenses/gpl-3.0.html)
local CalculatedCell = {}
local WikitextParser = require( 'Module:WikitextParser' )
function CalculatedCell.main( frame )
-- Let page-level args override template-level args
local args = frame.args
local pageArgs = frame:getParent().args
for key, value in pairs( pageArgs ) do
args[ key ] = value
end
-- Get the page wikitext
local pageTitle = mw.title.getCurrentTitle()
local page = args[3]
if page then
pageTitle = mw.title.new( page )
end
local pageWikitext = pageTitle:getContent()
-- Get the table data
local tableId = args[2]
if not tableId then
return mw.html.create( 'span' ):addClass( 'error' ):wikitext( 'No table id given' )
end
local tableWikitext = WikitextParser.getTableById( pageWikitext, tableId )
local tableData = WikitextParser.getTableData( tableWikitext )
-- Replace any placeholders (A1, B2, etc) in the given expression for the real values
local expression = args[1]
if not expression then
return mw.html.create( 'span' ):addClass( 'error' ):wikitext( 'No expression given' )
end
local lang = mw.language.getContentLanguage()
local rowLetter, rowNumber, rowData, cellNumber, cellValue
for placeholder in string.gmatch( expression, '[A-Z]+[0-9]+' ) do
rowLetter = string.match( placeholder, '[A-Z]+' )
rowNumber = string.find( 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', rowLetter )
rowData = tableData[ rowNumber ]
cellNumber = tonumber( string.match( placeholder, '[0-9]+' ) )
cellValue = rowData[ cellNumber ]
cellValue = lang:parseFormattedNumber( cellValue )
expression = string.gsub( expression, placeholder, cellValue )
end
return frame:callParserFunction( '#expr', expression )
end
return CalculatedCell