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Module:Citation/CS1/Utilities: Difference between revisions

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Module:Citation/CS1/Utilities (edit)

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local u = {}


local z = {
local z = {
error_categories = {}; -- for categorizing citations that contain errors
error_categories = {}; -- for categorizing citations that contain errors
error_ids = {};
error_ids = {};
message_tail = {};
message_tail = {};
maintenance_cats = {}; -- for categorizing citations that aren't erroneous per se, but could use a little work
maintenance_cats = {}; -- for categorizing citations that aren't erroneous per se, but could use a little work
properties_cats = {}; -- for categorizing citations based on certain properties, language of source for instance
properties_cats = {}; -- for categorizing citations based on certain properties, language of source for instance
};
};


local cfg = mw.loadData ('Module:Citation/CS1/Configuration/sandbox');
 
--[[--------------------------< F O R W A R D  D E C L A R A T I O N S >--------------------------------------
]]
 
local cfg; -- table of tables imported from selected Module:Citation/CS1/Configuration
 
 
--[[--------------------------< H A S _ A C C E P T _ A S _ W R I T T E N >------------------------------------
 
When <str> is wholly wrapped in accept-as-written markup, return <str> without markup and true; return <str> and false else
 
with allow_empty = false, <str> must have at least one character inside the markup
with allow_empty = true, <str> the markup frame can be empty like (()) to distinguish an empty template parameter from the specific condition "has no applicable value" in citation-context.
 
After further evaluation the two cases might be merged at a later stage, but should be kept separated for now.
 
]]
 
local function has_accept_as_written (str, allow_empty)
local count;
if true == allow_empty then
str, count = str:gsub ('^%(%((.*)%)%)$', '%1'); -- allows (()) to be an empty set
else
str, count = str:gsub ('^%(%((.+)%)%)$', '%1');
end
return str, 0 ~= count;
end
 


--[[--------------------------< I S _ S E T >------------------------------------------------------------------
--[[--------------------------< I S _ S E T >------------------------------------------------------------------


Returns true if argument is set; false otherwise. Argument is 'set' when it exists (not nil) or when it is not an empty string.
Returns true if argument is set; false otherwise. Argument is 'set' when it exists (not nil) or when it is not an empty string.
This function is global because it is called from both this module and from Date validation


]]
]]
function is_set( var )
 
local function is_set (var)
return not (var == nil or var == '');
return not (var == nil or var == '');
end
end


--[[--------------------------< I N _ A R R A Y >--------------------------------------------------------------
--[[--------------------------< I N _ A R R A Y >--------------------------------------------------------------
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]]
]]


local function in_array( needle, haystack )
local function in_array (needle, haystack)
if needle == nil then
if needle == nil then
return false;
return false;
end
end
for n,v in ipairs( haystack ) do
for n, v in ipairs (haystack) do
if v == needle then
if v == needle then
return n;
return n;
Line 38: Line 65:
return false;
return false;
end
end


--[[--------------------------< S U B S T I T U T E >----------------------------------------------------------
--[[--------------------------< S U B S T I T U T E >----------------------------------------------------------
Line 45: Line 73:
]]
]]


local function substitute( msg, args )
local function substitute (msg, args)
return args and mw.message.newRawMessage( msg, args ):plain() or msg;
return args and mw.message.newRawMessage (msg, args):plain() or msg;
end
end


--[[--------------------------< E R R O R _ C O M M E N T >----------------------------------------------------
--[[--------------------------< E R R O R _ C O M M E N T >----------------------------------------------------


Wraps error messages with css markup according to the state of hidden.
Wraps error messages with CSS markup according to the state of hidden.


]]
]]
local function error_comment( content, hidden )
 
return substitute( hidden and cfg.presentation['hidden-error'] or cfg.presentation['visible-error'], content );
local function error_comment (content, hidden)
return substitute (hidden and cfg.presentation['hidden-error'] or cfg.presentation['visible-error'], content);
end
 
 
--[=[-------------------------< M A K E _ W I K I L I N K >----------------------------------------------------
 
Makes a wikilink; when both link and display text is provided, returns a wikilink in the form [[L|D]]; if only
link is provided (or link and display are the same), returns a wikilink in the form [[L]]; if neither are
provided or link is omitted, returns an empty string.
 
]=]
 
local function make_wikilink (link, display)
if not is_set (link) then return '' end
 
if is_set (display) and link ~= display then
return table.concat ({'[[', link, '|', display, ']]'});
else
return table.concat ({'[[', link, ']]'});
end
end
end


--[[--------------------------< S E T _ E R R O R >--------------------------------------------------------------
 
--[[--------------------------< S E T _ M E S S A G E >----------------------------------------------------------


Sets an error condition and returns the appropriate error message.  The actual placement of the error message in the output is
Sets an error condition and returns the appropriate error message.  The actual placement of the error message in the output is
the responsibility of the calling function.
the responsibility of the calling function.
TODO: change z.error_categories and z.maintenance_cats to have the form cat_name = true; to avoid dups without having to have an extra cat


]]
]]
local function set_error( error_id, arguments, raw, prefix, suffix )
local added_maint_cats = {} -- list of maintenance categories that have been added to z.maintenance_cats; TODO: figure out how to delete this table
local error_state = cfg.error_conditions[ error_id ];
 
local function set_message (error_id, arguments, raw, prefix, suffix)
local error_state = cfg.error_conditions[error_id];
prefix = prefix or "";
prefix = prefix or '';
suffix = suffix or "";
suffix = suffix or '';
if error_state == nil then
if error_state == nil then
error( cfg.messages['undefined_error'] );
error (cfg.messages['undefined_error'] .. ': ' .. error_id); -- because missing error handler in Module:Citation/CS1/Configuration
elseif is_set( error_state.category ) then
 
table.insert( z.error_categories, error_state.category );
elseif is_set (error_state.category) then
if error_state.message then -- when error_state.message defined, this is an error message
table.insert (z.error_categories, error_state.category);
else
if not added_maint_cats[error_id] then
added_maint_cats[error_id] = true; -- note that we've added this category
table.insert (z.maintenance_cats, substitute (error_state.category, arguments)); -- make cat name then add to table
end
return; -- because no message, nothing more to do
end
end
 
local message = substitute (error_state.message, arguments);
 
message = table.concat (
{
message,
' (',
make_wikilink (
table.concat (
{
cfg.messages['help page link'],
'#',
error_state.anchor
}),
cfg.messages['help page label']),
')'
});
 
z.error_ids[error_id] = true;
if z.error_ids['err_citation_missing_title'] and -- if missing-title error already noted
in_array (error_id, {'err_bare_url_missing_title', 'err_trans_missing_title'}) then -- and this error is one of these
return '', false; -- don't bother because one flavor of missing title is sufficient
end
message = table.concat ({prefix, message, suffix});
 
if raw == true then
return message, error_state.hidden;
end
 
return error_comment (message, error_state.hidden);
end
 
 
--[[-------------------------< I S _ A L I A S _ U S E D >-----------------------------------------------------
 
This function is used by select_one() to determine if one of a list of alias parameters is in the argument list
provided by the template.
 
Input:
args – pointer to the arguments table from calling template
alias – one of the list of possible aliases in the aliases lists from Module:Citation/CS1/Configuration
index – for enumerated parameters, identifies which one
enumerated – true/false flag used to choose how enumerated aliases are examined
value – value associated with an alias that has previously been selected; nil if not yet selected
selected – the alias that has previously been selected; nil if not yet selected
error_list – list of aliases that are duplicates of the alias already selected
 
Returns:
value – value associated with alias we selected or that was previously selected or nil if an alias not yet selected
selected – the alias we selected or the alias that was previously selected or nil if an alias not yet selected
 
]]
 
local function is_alias_used (args, alias, index, enumerated, value, selected, error_list)
if enumerated then -- is this a test for an enumerated parameters?
alias = alias:gsub ('#', index); -- replace '#' with the value in index
else
alias = alias:gsub ('#', ''); -- remove '#' if it exists
end
 
if is_set (args[alias]) then -- alias is in the template's argument list
if value ~= nil and selected ~= alias then -- if we have already selected one of the aliases
local skip;
for _, v in ipairs (error_list) do -- spin through the error list to see if we've added this alias
if v == alias then
skip = true;
break; -- has been added so stop looking
end
end
if not skip then -- has not been added so
table.insert (error_list, alias); -- add error alias to the error list
end
else
value = args[alias]; -- not yet selected an alias, so select this one
selected = alias;
end
end
return value, selected; -- return newly selected alias, or previously selected alias
end
 
 
--[[--------------------------< A D D _ M A I N T _ C A T >------------------------------------------------------
 
Adds a category to z.maintenance_cats using names from the configuration file with additional text if any.
To prevent duplication, the added_maint_cats table lists the categories by key that have been added to z.maintenance_cats.
 
]]
 
local function add_maint_cat (key, arguments)
if not added_maint_cats [key] then
added_maint_cats [key] = true; -- note that we've added this category
table.insert (z.maintenance_cats, substitute (cfg.maint_cats [key], arguments)); -- make name then add to table
end
end
 
 
--[[--------------------------< A D D _ P R O P _ C A T >--------------------------------------------------------
 
Adds a category to z.properties_cats using names from the configuration file with additional text if any.
 
foreign_lang_source and foreign_lang_source_2 keys have a language code appended to them so that multiple languages
may be categorized but multiples of the same language are not categorized.
 
added_prop_cats is a table declared in page scope variables above
 
]]
 
local added_prop_cats = {}; -- list of property categories that have been added to z.properties_cats
 
local function add_prop_cat (key, arguments)
if not added_prop_cats [key] then
added_prop_cats [key] = true; -- note that we've added this category
key = key:gsub ('(foreign_lang_source_?2?)%a%a%a?[%a%-]*', '%1'); -- strip lang code from keyname
table.insert (z.properties_cats, substitute (cfg.prop_cats [key], arguments)); -- make name then add to table
end
end
 
 
--[[--------------------------< S A F E _ F O R _ I T A L I C S >----------------------------------------------
 
Protects a string that will be wrapped in wiki italic markup '' ... ''
 
Note: We cannot use <i> for italics, as the expected behavior for italics specified by ''...'' in the title is that
they will be inverted (i.e. unitalicized) in the resulting references.  In addition, <i> and '' tend to interact
poorly under Mediawiki's HTML tidy.
 
]]
 
local function safe_for_italics (str)
if not is_set (str) then return str end
 
if str:sub (1, 1) == "'" then str = "<span></span>" .. str; end
if str:sub (-1, -1) == "'" then str = str .. "<span></span>"; end
-- Remove newlines as they break italics.
return str:gsub ('\n', ' ');
 
end
 
 
--[[--------------------------< W R A P _ S T Y L E >----------------------------------------------------------
 
Applies styling to various parameters.  Supplied string is wrapped using a message_list configuration taking one
argument; protects italic styled parameters.  Additional text taken from citation_config.presentation - the reason
this function is similar to but separate from wrap_msg().
 
]]
 
local function wrap_style (key, str)
if not is_set (str) then
return "";
elseif in_array (key, {'italic-title', 'trans-italic-title'}) then
str = safe_for_italics (str);
end
 
return substitute (cfg.presentation[key], {str});
end
 
 
--[[--------------------------< M A K E _ S E P _ L I S T >------------------------------------------------------------
 
make a separated list of items using provided separators.
<sep_list> - typically '<comma><space>'
<sep_list_pair> - typically '<space>and<space>'
<sep_list_end> - typically '<comma><space>and<space>' or '<comma><space>&<space>'
 
defaults to cfg.presentation['sep_list'], cfg.presentation['sep_list_pair'], and cfg.presentation['sep_list_end']
if <sep_list_end> is specified, <sep_list> and <sep_list_pair> must also be supplied
 
]]
 
local function make_sep_list (count, list_seq, sep_list, sep_list_pair, sep_list_end)
local list = '';
 
if not sep_list then -- set the defaults
sep_list = cfg.presentation['sep_list'];
sep_list_pair = cfg.presentation['sep_list_pair'];
sep_list_end = cfg.presentation['sep_list_end'];
end
end
local message = substitute( error_state.message, arguments );
if 2 >= count then
list = table.concat (list_seq, sep_list_pair); -- insert separator between two items; returns list_seq[1] then only one item
elseif 2 < count then
list = table.concat (list_seq, sep_list, 1, count - 1); -- concatenate all but last item with plain list separator
list = table.concat ({list, list_seq[count]}, sep_list_end); -- concatenate last item onto end of <list> with final separator
end
message = message .. " ([[" .. cfg.messages['help page link'] ..  
return list;
"#" .. error_state.anchor .. "|" ..
end
cfg.messages['help page label'] .. "]])";
 
 
--[[--------------------------< S E L E C T _ O N E >----------------------------------------------------------
 
Chooses one matching parameter from a list of parameters to consider. The list of parameters to consider is just
names. For parameters that may be enumerated, the position of the numerator in the parameter name is identified
by the '#' so |author-last1= and |author1-last= are represented as 'author-last#' and 'author#-last'.
 
Because enumerated parameter |<param>1= is an alias of |<param>= we must test for both possibilities.
 
 
Generates an error if more than one match is present.
 
]]
 
local function select_one (args, aliases_list, error_condition, index)
local value = nil; -- the value assigned to the selected parameter
local selected = ''; -- the name of the parameter we have chosen
local error_list = {};
 
if index ~= nil then index = tostring(index); end
 
for _, alias in ipairs (aliases_list) do -- for each alias in the aliases list
if alias:match ('#') then -- if this alias can be enumerated
if '1' == index then -- when index is 1 test for enumerated and non-enumerated aliases
value, selected = is_alias_used (args, alias, index, false, value, selected, error_list); -- first test for non-enumerated alias
end
value, selected = is_alias_used (args, alias, index, true, value, selected, error_list); -- test for enumerated alias
else
value, selected = is_alias_used (args, alias, index, false, value, selected, error_list); -- test for non-enumerated alias
end
end
 
if #error_list > 0 and 'none' ~= error_condition then -- for cases where this code is used outside of extract_names()
for i, v in ipairs (error_list) do
error_list[i] = wrap_style ('parameter', v);
end
table.insert (error_list, wrap_style ('parameter', selected));
table.insert (z.message_tail, {set_message (error_condition, {make_sep_list (#error_list, error_list)}, true)});
end
z.error_ids[ error_id ] = true;
return value, selected;
if in_array( error_id, { 'bare_url_missing_title', 'trans_missing_title' } )
end
and z.error_ids['citation_missing_title'] then
 
return '', false;
 
--[=[-------------------------< R E M O V E _ W I K I _ L I N K >----------------------------------------------
 
Gets the display text from a wikilink like [[A|B]] or [[B]] gives B
 
The str:gsub() returns either A|B froma [[A|B]] or B from [[B]] or B from B (no wikilink markup).
 
In l(), l:gsub() removes the link and pipe (if they exist); the second :gsub() trims whitespace from the label
if str was wrapped in wikilink markup.  Presumably, this is because without wikimarkup in str, there is no match
in the initial gsub, the replacement function l() doesn't get called.
 
]=]
 
local function remove_wiki_link (str)
return (str:gsub ("%[%[([^%[%]]*)%]%]", function(l)
return l:gsub ("^[^|]*|(.*)$", "%1" ):gsub ("^%s*(.-)%s*$", "%1");
end));
end
 
 
--[=[-------------------------< I S _ W I K I L I N K >--------------------------------------------------------
 
Determines if str is a wikilink, extracts, and returns the wikilink type, link text, and display text parts.
If str is a complex wikilink ([[L|D]]):
returns wl_type 2 and D and L from [[L|D]];
if str is a simple wikilink ([[D]])
returns wl_type 1 and D from [[D]] and L as empty string;
if not a wikilink:
returns wl_type 0, str as D, and L as empty string.
 
trims leading and trailing whitespace and pipes from L and D ([[L|]] and [[|D]] are accepted by MediaWiki and
treated like [[D]]; while [[|D|]] is not accepted by MediaWiki, here, we accept it and return D without the pipes).
 
]=]
 
local function is_wikilink (str)
local D, L
local wl_type = 2; -- assume that str is a complex wikilink [[L|D]]
 
if not str:match ('^%[%[[^%]]+%]%]$') then -- is str some sort of a wikilink (must have some sort of content)
return 0, str, ''; -- not a wikilink; return wl_type as 0, str as D, and empty string as L
end
end
message = table.concat({ prefix, message, suffix });
L, D = str:match ('^%[%[([^|]+)|([^%]]+)%]%]$'); -- get L and D from [[L|D]]
 
if not is_set (D) then -- if no separate display
D = str:match ('^%[%[([^%]]*)|*%]%]$'); -- get D from [[D]] or [[D|]]
wl_type = 1;
end
D = mw.text.trim (D, '%s|'); -- trim white space and pipe characters
return wl_type, D, L or '';
end
 
 
--[[--------------------------< S T R I P _ A P O S T R O P H E _ M A R K U P >--------------------------------
 
Strip wiki italic and bold markup from argument so that it doesn't contaminate COinS metadata.
This function strips common patterns of apostrophe markup.  We presume that editors who have taken the time to
markup a title have, as a result, provided valid markup. When they don't, some single apostrophes are left behind.
 
Returns the argument without wiki markup and a number; the number is more-or-less meaningless except as a flag
to indicate that markup was replaced; do not rely on it as an indicator of how many of any kind of markup was
removed; returns the argument and nil when no markup removed
 
]]
 
local function strip_apostrophe_markup (argument)
if not is_set (argument) then
return argument, nil; -- no argument, nothing to do
end
 
if nil == argument:find ( "''", 1, true ) then -- Is there at least one double apostrophe?  If not, exit.
return argument, nil;
end
 
local flag;
while true do
if argument:find ("'''''", 1, true) then -- bold italic (5)
argument, flag = argument:gsub ("%'%'%'%'%'", ""); -- remove all instances of it
elseif argument:find ("''''", 1, true) then -- italic start and end without content (4)
argument, flag=argument:gsub ("%'%'%'%'", "");
elseif argument:find ("'''", 1, true) then -- bold (3)
argument, flag=argument:gsub ("%'%'%'", "");
elseif argument:find ("''", 1, true) then -- italic (2)
argument, flag = argument:gsub ("%'%'", "");
else
break;
end
end
 
return argument, flag; -- done
end
 
 
--[[--------------------------< S E T _ S E L E C T E D _ M O D U L E S >--------------------------------------
 
Sets local cfg table to same (live or sandbox) as that used by the other modules.
 
]]
 
local function set_selected_modules (cfg_table_ptr)
cfg = cfg_table_ptr;
if raw == true then
return message, error_state.hidden;
end
return error_comment( message, error_state.hidden );
end
end


return { -- return exported functions and tables
 
--[[--------------------------< E X P O R T S >----------------------------------------------------------------
]]
 
return {
add_maint_cat = add_maint_cat, -- exported functions
add_prop_cat = add_prop_cat,
error_comment = error_comment,
has_accept_as_written = has_accept_as_written,
in_array = in_array,
is_set = is_set,
is_set = is_set,
in_array = in_array,
is_wikilink = is_wikilink,
make_sep_list = make_sep_list,
make_wikilink = make_wikilink,
remove_wiki_link = remove_wiki_link,
safe_for_italics = safe_for_italics,
select_one = select_one,
set_message = set_message,
set_selected_modules = set_selected_modules,
strip_apostrophe_markup = strip_apostrophe_markup,
substitute = substitute,
substitute = substitute,
error_comment = error_comment,
wrap_style = wrap_style,
set_error = set_error,
 
z = z,
z = z, -- exported table
}
}
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