Seeds of the Word

Module:String2: Difference between revisions

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Copy changes by User:Tholme from Module:String2/sandbox per edit request.
Line 26:
-- this is a piped wikilink, so we capitalise the text, not the pipe
local _
_, letterpos = mw.ustring.find(s, "|%AW*%aw") -- find the first letter after the pipe
else
letterpos = mw.ustring.find(s, '%aw')
end
if letterpos then
Line 94:
local str = mw.text.trim(frame.args[1] or "")
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
 
Line 189 ⟶ 166:
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
local content = titleobj and titleobj:getContent()
return content and mw.ustring.find(content, text, 1, plain) or nomatch -- returns multiple values
end
p.findpagetext = function(frame)
Line 228 ⟶ 205:
-- Escape Pattern helper function so that all characters are treated as plain text, as per Module:String
function p._escapePattern( pattern_str)
return mw.ustring.gsub( pattern_str, "([%(%)%.%%%+%-%*%?%[%^%$%]])", "%%%1" );
end
 
Line 251 ⟶ 228:
function p.strip( frame )
local new_args = p._getParameters( frame.args, {'source', 'chars', 'plain'} )
local source_str = new_args['source'] or '';
local chars = new_args['chars'] or '' or 'characters';
source_str = mw.text.trim(source_str);
if source_str == '' or chars == '' then
return source_str;
end
local l_plain = p._getBoolean( new_args['plain'] or true );
if l_plain then
chars = p._escapePattern( chars );
end
local result;
result = mw.ustring.gsub(source_str, "["..chars.."]", '')
return result;
end
 
Line 308 ⟶ 285:
 
]]
function p.hyphen_to_dash( str, spacing )
if (str == nil or str == '') then
return str;
end
 
local accept;
 
str = mw.text.decode(str, true ) -- replace html entities with their characters; semicolon mucks up the text.split
 
local out = {};
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
item = mw.text.trim(item) -- trim whitespace
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 item:match ('^%a+[%.%-]?%d+%s*%-%s*%a+[%.%-]?%d+$') or -- letterdigit hyphen letterdigit (optional separator between letter and digit)
Line 329 ⟶ 306:
item:match ('^%d+%s*%-%s*%d+$') or -- digit hyphen digit
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
else
item = mw.ustring.gsub (item, '%s*[–—]%s*', '–'); -- for endash or emdash separated ranges, replace em with en, remove extraneous whitespace
end
end
table.insert (out, item); -- add the (possibly modified) item to the output table
end
 
local temp_str = table.concat (out, ', ' .. spacing); -- concatenate the output table into a comma separated string
temp_str, accept = temp_str:gsub ('^%(%((.+)%)%)$', '%1'); -- remove accept-this-as-written markup when it wraps all of concatenated out
if accept ~= 0 then
temp_str = str:gsub ('^%(%((.+)%)%)$', '%1'); -- when global markup removed, return original str; do it this way to suppress boolean second return value
return temp_str;
else
return temp_str; -- else, return assembled temp_str
end
▲ return postemp_str
end
 
function p.hyphen2dash( frame )
local str = frame.args[1] or ''
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)▼
 
▲ 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
 
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