Module:Extract short description: Difference between revisions

Revision as of 09:07, 10 October 2018

Latest revision as of 21:19, 21 October 2022

(4 intermediate revisions by 2 users not shown)

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require('Module:No globalsstrict');

--[[--------------------------< E X T R A C T _ F R O M _ T E M P L A T E >------------------------------------

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frame: frame object required to preprocess template_name

article_title: the name of the article to inspect - correct spelling and captialization is required

template_names_tbl: a single template name (a string) or a table of one or more template names withoutall without
namespace to be inspected - correct spelling and captialization is required

returns two values:

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end

local templateName

for _, template_name in ipairs (template_names_tbl) do -- loop through the name in the table

template_name_pattern = template_name:gsub ('^%a', string.lower):gsub ('^%a', '%[%1%1%]'):gsub ('%[%a', string.upper); -- make lua pattern for initial letter upper or lower case: A -> [Aa]

start = content:find ('{{%s*' .. template_name_pattern); -- find the start of {{template name ...;

if start then

templateName = template_name

break; -- found a matching template

end

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end

local text = string.match (content, '%b{}', start); -- start points to first { of the template_nametemplateName

if not text then

return '<span style="font-size:100%;" class="error">error: failed to extract template: ' .. template_nametemplateName .. '</span>';

end

text = text:gsub ('<ref[^>]->[^<]-</ref>', ''); -- delete references before preprocessing; they do not belong in shortdesc text

text = text:gsub ('<ref[^>]-/ *>', ''); -- also delete self-closed named references

text = text:gsub ('{{%s*sfn[^}]-}}', ''); -- delete sfn template which make references using {{#tag:}} parser functions

text = text:gsub ('{{#tag:ref[^}]-}}', ''); -- and delete these too

text = frame:preprocess (text):match ('<div[^>]-class="shortdescription.->(.-)</div>'); -- preprocess and extract shortdescription text

if not text then

return '<span style="font-size:100%;" class="error">error: no short description text in: ' .. template_nametemplateName .. ' in '.. article_title .. '</span>';

end

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if template_name then

returnlocal text, _ = extract_from_template (frame, article_title, template_name); -- ignore second return value

return text;

else

return extract_from_article (article_title);

end

end

-----test-----

-- temporary test function to be deleted

local function test (frame)

local tbl = {'Infobox television episode/sandbox', 'short description'};

local text, good = extract_from_template (frame, 'User:Trappist the monk/sandbox', tbl);

if good then

return text;

else

return 'extract_from_template() returned this: ' .. text

end

end

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extract_from_template = extract_from_template,

extract_from_article = extract_from_article,

test = test, -- to be deleted

}