Module:String2: Difference between revisions

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Module:String2 (view source)

Revision as of 08:03, 14 May 2022

776 bytes removed ,  14 May 2022
Copy changes by User:Tholme from Module:String2/sandbox per edit request.
m (1 revision imported)
(Copy changes by User:Tholme from Module:String2/sandbox per edit request.)
Line 26: Line 26:
-- this is a piped wikilink, so we capitalise the text, not the pipe
-- this is a piped wikilink, so we capitalise the text, not the pipe
local _
local _
_, letterpos = mw.ustring.find(s, "|%A*%a") -- find the first letter after the pipe
_, letterpos = mw.ustring.find(s, "|%W*%w") -- find the first letter after the pipe
else
else
letterpos = mw.ustring.find(s, '%a')
letterpos = mw.ustring.find(s, '%w')
end
end
if letterpos then
if letterpos then
Line 94: Line 94:
local str = mw.text.trim(frame.args[1] or "")
local str = mw.text.trim(frame.args[1] or "")
return mw.text.nowiki(str)
return mw.text.nowiki(str)
end
-- posnq (position, no quotes) returns the numerical start position of the first occurrence
-- of one piece of text ("match") inside another ("str").
-- It returns nil if no match is found, or if either parameter is blank.
-- It takes the text to be searched in as the first unnamed parameter, which is trimmed.
-- It takes the text to match as the second unnamed parameter, which is trimmed and
-- any double quotes " are stripped out.
p.posnq = function(frame)
local args = frame.args
local pargs = frame:getParent().args
for k, v in pairs(pargs) do
args[k] = v
end
local str = mw.text.trim(args[1] or args.source or "")
local match = mw.text.trim(args[2] or args.target or ""):gsub('"', '')
if str == "" or match == "" then return nil end
local plain = mw.text.trim(args[3] or args.plain or "")
if plain == "false" then plain = false else plain = true end
local nomatch = mw.text.trim(args[4] or args.nomatch or "")
-- just take the start position
local pos = mw.ustring.find(str, match, 1, plain) or nomatch
return pos
end
end


Line 189: Line 166:
if plain:sub(1, 1) == "f" then plain = false else plain = true end
if plain:sub(1, 1) == "f" then plain = false else plain = true end
-- get the page content and look for 'text' - return position or nomatch
-- get the page content and look for 'text' - return position or nomatch
local content = titleobj:getContent()
local content = titleobj and titleobj:getContent()
return mw.ustring.find(content, text, 1, plain) or nomatch -- returns multiple values
return content and mw.ustring.find(content, text, 1, plain) or nomatch
end
end
p.findpagetext = function(frame)
p.findpagetext = function(frame)
Line 228: Line 205:
-- Escape Pattern helper function so that all characters are treated as plain text, as per Module:String
-- Escape Pattern helper function so that all characters are treated as plain text, as per Module:String
function p._escapePattern( pattern_str)
function p._escapePattern( pattern_str)
return mw.ustring.gsub( pattern_str, "([%(%)%.%%%+%-%*%?%[%^%$%]])", "%%%1" );
return mw.ustring.gsub( pattern_str, "([%(%)%.%%%+%-%*%?%[%^%$%]])", "%%%1" )
end
end


Line 251: Line 228:
function p.strip( frame )
function p.strip( frame )
local new_args = p._getParameters( frame.args,  {'source', 'chars', 'plain'} )
local new_args = p._getParameters( frame.args,  {'source', 'chars', 'plain'} )
local source_str = new_args['source'] or '';
local source_str = new_args['source'] or ''
local chars = new_args['chars'] or '' or 'characters';
local chars = new_args['chars'] or '' or 'characters'
source_str = mw.text.trim(source_str);
source_str = mw.text.trim(source_str)
if source_str == '' or chars == '' then
if source_str == '' or chars == '' then
return source_str;
return source_str
end
end
local l_plain = p._getBoolean( new_args['plain'] or true );
local l_plain = p._getBoolean( new_args['plain'] or true )
if l_plain then
if l_plain then
chars = p._escapePattern( chars );
chars = p._escapePattern( chars )
end
end
local result;
local result
result = mw.ustring.gsub(source_str, "["..chars.."]", '')
result = mw.ustring.gsub(source_str, "["..chars.."]", '')
return result;
return result
end
end


Line 308: Line 285:


]]
]]
function p.hyphen_to_dash( str )
function p.hyphen_to_dash( str, spacing )
if (str == nil or str == '') then
if (str == nil or str == '') then
return str;
return str
end
end


local accept;
local accept
 
str = mw.text.decode(str, true ) -- replace html entities with their characters; semicolon mucks up the text.split
str = mw.text.decode(str, true ) -- replace html entities with their characters; semicolon mucks up the text.split
 
local out = {};
local out = {}
local list = mw.text.split (str, '%s*[,;]%s*'); -- split str at comma or semicolon separators if there are any
local list = mw.text.split (str, '%s*[,;]%s*') -- split str at comma or semicolon separators if there are any


for _, item in ipairs (list) do -- for each item in the list
for _, item in ipairs (list) do -- for each item in the list
item = mw.text.trim(item) -- trim whitespace
item = mw.text.trim(item) -- trim whitespace
item, accept = item:gsub ('^%(%((.+)%)%)$', '%1');
item, accept = item:gsub ('^%(%((.+)%)%)$', '%1')
if accept == 0 and mw.ustring.match (item, '^%w*[%.%-]?%w+%s*[%-–—]%s*%w*[%.%-]?%w+$') then -- if a hyphenated range or has endash or emdash separators
if accept == 0 and mw.ustring.match (item, '^%w*[%.%-]?%w+%s*[%-–—]%s*%w*[%.%-]?%w+$') then -- if a hyphenated range or has endash or emdash separators
if item:match ('^%a+[%.%-]?%d+%s*%-%s*%a+[%.%-]?%d+$') or -- letterdigit hyphen letterdigit (optional separator between letter and digit)
if item:match ('^%a+[%.%-]?%d+%s*%-%s*%a+[%.%-]?%d+$') or -- letterdigit hyphen letterdigit (optional separator between letter and digit)
Line 329: Line 306:
item:match ('^%d+%s*%-%s*%d+$') or -- digit hyphen digit
item:match ('^%d+%s*%-%s*%d+$') or -- digit hyphen digit
item:match ('^%a+%s*%-%s*%a+$') then -- letter hyphen letter
item:match ('^%a+%s*%-%s*%a+$') then -- letter hyphen letter
item = item:gsub ('(%w*[%.%-]?%w+)%s*%-%s*(%w*[%.%-]?%w+)', '%1–%2'); -- replace hyphen, remove extraneous space characters
item = item:gsub ('(%w*[%.%-]?%w+)%s*%-%s*(%w*[%.%-]?%w+)', '%1–%2') -- replace hyphen, remove extraneous space characters
else
else
item = mw.ustring.gsub (item, '%s*[–—]%s*', '–'); -- for endash or emdash separated ranges, replace em with en, remove extraneous whitespace
item = mw.ustring.gsub (item, '%s*[–—]%s*', '–') -- for endash or emdash separated ranges, replace em with en, remove extraneous whitespace
end
end
end
end
table.insert (out, item); -- add the (possibly modified) item to the output table
table.insert (out, item) -- add the (possibly modified) item to the output table
end
end


local temp_str = table.concat (out, ', '); -- concatenate the output table into a comma separated string
local temp_str = table.concat (out, ',' .. spacing) -- concatenate the output table into a comma separated string
temp_str, accept = temp_str:gsub ('^%(%((.+)%)%)$', '%1'); -- remove accept-this-as-written markup when it wraps all of concatenated out
temp_str, accept = temp_str:gsub ('^%(%((.+)%)%)$', '%1') -- remove accept-this-as-written markup when it wraps all of concatenated out
if accept ~= 0 then
if accept ~= 0 then
temp_str = str:gsub ('^%(%((.+)%)%)$', '%1'); -- when global markup removed, return original str; do it this way to suppress boolean second return value
temp_str = str:gsub ('^%(%((.+)%)%)$', '%1') -- when global markup removed, return original str; do it this way to suppress boolean second return value
return temp_str;
else
return temp_str; -- else, return assembled temp_str
end
end
return temp_str
end
end


function p.hyphen2dash( frame )
function p.hyphen2dash( frame )
local str = frame.args[1] or ''
local str = frame.args[1] or ''
return p.hyphen_to_dash(str)
local spacing = frame.args[2] or ' ' -- space is part of the standard separator for normal spacing (but in conjunction with templates r/rp/ran we may need a narrower spacing
 
return p.hyphen_to_dash(str, spacing)
end
 
-- Similar to [[Module:String#endswith]]
function p.startswith(frame)
return (frame.args[1]:sub(1, frame.args[2]:len()) == frame.args[2]) and 'yes' or ''
end
end


return p
return p
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