Template:Wp/tzm/Template:ⴰⵎⵙⵉⴳⴷ

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--[[
This module is intended to replace the functionality of {{Coord}} and related
templates. It provides several methods, including
{{#Invoke:Coordinates | coord }} : General function formatting and displaying
coordinate values.
{{#Invoke:Coordinates | dec2dms }} : Simple function for converting decimal
degree values to DMS format.
{{#Invoke:Coordinates | dms2dec }} : Simple function for converting DMS format
to decimal degree format.
]]
math_mod = require( "Module:Math" );
globalFrame = nil
coordinates = {};
--[[ Helper function, replacement for {{coord/display/title}} ]]
function displaytitle (s, notes ,globe)
--local l = "[[Geographic coordinate system|Coordinates]]: " .. s
local l = "" .. s
local extracat = ""
if mw.title.getCurrentTitle().nsText == "" then
if globe~= nil and globe~= "earth" then
if globe == "moon" then
extracat = "[[Catégorie:Article géolocalisé sur la Lune]]";
elseif globe == "mars" then
extracat = "[[Catégorie:Article géolocalisé sur Mars]]";
else
extracat = "[[Catégorie:Article géolocalisé extraterrestre]]";
end
else
extracat = "[[Catégorie:Article géolocalisé sur Terre]]";
end
end
local co = '<span id="coordinates">' .. l .. notes .. '</span>';
return '<span style="font-size: small;">' .. co .. '</span>' .. extracat;
end
--[[ Helper function, Replacement for {{coord/display/inline}} ]]
function displayinline (s, notes)
return s .. notes
end
--[[ Helper function, used in detecting DMS formatting ]]
local dmsTest = function(first, second)
local concatenated = first:upper() .. second:upper();
return concatenated == "NE" or concatenated == "NO" or concatenated == "NW" or concatenated == "SE" or concatenated == "SO" or concatenated == "SW" or
concatenated == "EN" or concatenated == "ON" or concatenated == "WN" or concatenated == "ES" or concatenated == "OS" or concatenated == "WS"
end
--[[
parseDec
Transforms decimal format latitude and longitude into the a
structure to be used in displaying coordinates
]]
function parseDec( lat, long, format )
local coordinateSpec = {}
local errors = {}
if long == "" or long == nil then
return nil, {{"parseDec", "Missing longitude"}}
end
errors = validate( lat, nil, nil, long, nil, nil, 'parseDec', false );
coordinateSpec["dec-lat"] = lat;
coordinateSpec["dec-long"] = long;
local mode = coordinates.determineMode( lat, long );
coordinateSpec["dms-lat"] = convert_dec2dms( lat, "N", "S", mode) -- {{coord/dec2dms|{{{1}}}|N|S|{{coord/prec dec|{{{1}}}|{{{2}}}}}}}
coordinateSpec["dms-long"] = convert_dec2dms( long, "E", "O", mode) -- {{coord/dec2dms|{{{2}}}|E|W|{{coord/prec dec|{{{1}}}|{{{2}}}}}}}
coordinateSpec["dmslong-lat"] = convert_dec2dms( lat, "Nord", "Sud", mode) -- {{coord/dec2dms|{{{1}}}|N|S|{{coord/prec dec|{{{1}}}|{{{2}}}}}}}
coordinateSpec["dmslong-long"] = convert_dec2dms( long, "Est", "Ouest", mode) -- {{coord/dec2dms|{{{2}}}|E|W|{{coord/prec dec|{{{1}}}|{{{2}}}}}}}
if format ~= "" then
coordinateSpec.default = format
else
coordinateSpec.default = "dec"
end
return coordinateSpec, errors
end
--[[ Helper function, handle optional args. ]]
function optionalArg(arg, suplement)
if arg ~= nil and arg ~= "" then
return arg .. suplement
end
return ""
end
--[[
parseDMS
Transforms degrees, minutes, seconds format latitude and longitude
into the a structure to be used in displaying coordinates
]]
function parseDMS( lat_d, lat_m, lat_s, lat_f, long_d, long_m, long_s, long_f, format )
local coordinateSpec = {}
local errors = {}
lat_f = lat_f:upper();
long_f = string.gsub(long_f:upper(),'W','O');
local lat_flong = 'Nord';
if lat_f == 'S' then
lat_flong = 'Sud';
end
local long_flong = 'Ouest';
if long_f == 'E' then
long_flong = 'Est';
end
-- Check if specified backward
if lat_f == 'E' or lat_f == 'O' or lat_f == 'W' then
local t_d, t_m, t_s, t_f;
t_d = lat_d;
t_m = lat_m;
t_s = lat_s;
t_f = lat_f;
lat_d = long_d;
lat_m = long_m;
lat_s = long_s;
lat_f = long_f;
long_d = t_d;
long_m = t_m;
long_s = t_s;
long_f = t_f;
end
errors = validate( lat_d, lat_m, lat_s, long_d, long_m, long_s, 'parseDMS', true );
if long_d == nil or long_d == "" then
table.insert(errors, {"parseDMS", "Missing longitude" })
end
if lat_m == nil and lat_s == nil and long_m == nil and long_s == nil and #errors == 0 then
if math_mod._precision( lat_d ) > 0 or math_mod._precision( long_d ) > 0 then
if lat_f:upper() == 'S' then
lat_d = '-' .. lat_d;
end
if long_f:upper() == 'O' or long_f:upper() == 'W' then
long_d = '-' .. long_d;
end
return parseDec( lat_d, long_d, format );
end
end
coordinateSpec["dms-lat"] = lat_d.."°&nbsp;"..optionalArg(lat_m,"′&nbsp;") .. optionalArg(lat_s,"″&nbsp;") .. lat_f
coordinateSpec["dmslong-lat"] = lat_d.."°&nbsp;"..optionalArg(lat_m,"′&nbsp;") .. optionalArg(lat_s,"″&nbsp;") .. lat_flong
coordinateSpec["dms-long"] = long_d.."°&nbsp;"..optionalArg(long_m,"′&nbsp;") .. optionalArg(long_s,"″&nbsp;") .. long_f
coordinateSpec["dmslong-long"] = long_d.."°&nbsp;"..optionalArg(long_m,"′&nbsp;") .. optionalArg(long_s,"″&nbsp;") .. long_flong
coordinateSpec["dec-lat"] = convert_dms2dec(lat_f, lat_d, lat_m, lat_s) -- {{coord/dms2dec|{{{4}}}|{{{1}}}|0{{{2}}}|0{{{3}}}}}
coordinateSpec["dec-long"] = convert_dms2dec(long_f, long_d, long_m, long_s) -- {{coord/dms2dec|{{{8}}}|{{{5}}}|0{{{6}}}|0{{{7}}}}}
if format ~= "" then
coordinateSpec.default = format
else
coordinateSpec.default = "dms"
end
return coordinateSpec, errors
end
--[[
specPrinter
Output formatter. Takes the structure generated by either parseDec
or parseDMS and formats it for inclusion on Wikipedia.
]]
function specPrinter(args, coordinateSpec)
local uriComponents = coordinateSpec["param"]
if uriComponents == "" then
-- RETURN error, should never be empty or nil
return "ERROR param was empty"
end
if args["name"] ~= "" and args["name"] ~= nil then
uriComponents = uriComponents .. "&title=" .. mw.uri.encode(coordinateSpec["name"])
end
local lang=mw.language.getContentLanguage():getCode();
local geodmshtml = '<span class="geo-dms" title="Cartes, vues aériennes et autres données pour cet endroit">'
.. '<span class="latitude">' .. coordinateSpec["dms-lat"] .. '</span> '
.. '<span class="longitude">' ..coordinateSpec["dms-long"] .. '</span>'
.. '</span>'
local geodmslonghtml = '<span class="geo-dms" title="Cartes, vues aériennes et autres données pour cet endroit">'
.. '<span class="latitude">' .. coordinateSpec["dmslong-lat"] .. '</span> '
.. '<span class="longitude">' ..coordinateSpec["dmslong-long"] .. '</span>'
.. '</span>'
local lat = tonumber( coordinateSpec["dec-lat"] ) or 0
if lat < 0 then
-- FIXME this breaks the pre-existing precision
--geodeclat = coordinateSpec["dec-lat"]:sub(2) .. "°S"
geodeclat = "-" .. coordinateSpec["dec-lat"]:sub(2)
else
--geodeclat = (coordinateSpec["dec-lat"] or 0) .. "°N"
geodeclat = (coordinateSpec["dec-lat"] or 0)
end
local long = tonumber( coordinateSpec["dec-long"] ) or 0
if long < 0 then
-- FIXME does not handle unicode minus
--geodeclong = coordinateSpec["dec-long"]:sub(2) .. "°O"
geodeclong = '-' .. coordinateSpec["dec-long"]:sub(2)
else
--geodeclong = (coordinateSpec["dec-long"] or 0) .. "°E"
geodeclong = (coordinateSpec["dec-long"] or 0)
end
local geodechtml = '<span class="geo-dec" title="Cartes, vues aériennes et autres données pour cet endroit">'
.. geodeclat .. ', '
.. geodeclong
.. '</span>'
local geonumhtml = '<span class="geo">'
.. coordinateSpec["dec-lat"] .. '; '
.. coordinateSpec["dec-long"]
.. '</span>'
--cf http://www.mediawiki.org/wiki/Extension:GeoData
local r,s,t=string.match (coordinateSpec["param"],'(.*)_(E?W?)_(.*)')
local geodata = '{{#coordinates:' .. coordinateSpec["dec-lat"] .. '|' .. coordinateSpec["dec-long"] .. '|primary|' .. t .. '}}'
if args['geodata'] ~= nil then
return geodata;
end
local inner;
if coordinateSpec["default"] == "dms" then
inner = '<span class="' .. displayDefault(coordinateSpec["default"], "dms" ) .. '">' .. geodmshtml .. '</span>'
.. '<span class="geo-multi-punct">&#xfeff; / &#xfeff;</span>'
.. '<span class="' .. displayDefault(coordinateSpec["default"], "dec" ) .. '">';
else
inner = '<span class="' .. displayDefault(coordinateSpec["default"], "dms long" ) .. '">' .. geodmslonghtml .. '</span>'
.. '<span class="geo-multi-punct">&#xfeff; / &#xfeff;</span>'
.. '<span class="' .. displayDefault(coordinateSpec["default"], "dec" ) .. '">';
end
if args["name"] == "" or args["name"] == nil then
inner = inner .. geodechtml
.. '<span style="display:none">&#xfeff; / ' .. geonumhtml .. '</span></span>'
else
inner = inner .. '<span class="vcard">' .. geodechtml
.. '<span style="display:none">&#xfeff; / ' .. geonumhtml .. '</span>'
.. '<span style="display:none">&#xfeff; (<span class="fn org">'
.. args["name"] .. '</span>)</span></span></span>'
end
return '<span class="plainlinksneverexpand">' .. globalFrame:preprocess(
'[//tools.wmflabs.org/geohack/geohack.php?pagename={{FULLPAGENAMEE}}&language=' .. lang .. '&params=' ..
uriComponents .. ' ' .. inner .. ']') .. '</span>'
end
--[[
Formats any error messages generated for display
]]
function errorPrinter(errors)
local result = ""
for i,v in ipairs(errors) do
local errorHTML = '<strong class="error">Coordonnées: ' .. v[2] .. '</strong>'
result = result .. errorHTML .. "<br />"
end
return result
end
--[[
Determine the required CSS class to display coordinates
Usually geo-nondefault is hidden by CSS, unless a user has overridden this for himself
default is the mode as specificied by the user when calling the {{coord}} template
mode is the display mode (dec or dms) that we will need to determine the css class for
]]
function displayDefault(default, mode)
if default == "" then
default = "dec"
end
if default:sub(1,4) == mode:sub(1,4) then
return "geo-default"
else
return "geo-nondefault"
end
end
--[[
Check the input arguments for coord to determine the kind of data being provided
and then make the necessary processing.
]]
function formatTest(args)
local result, errors;
local primary = false;
if args[1] == "" then
-- no lat logic
return errorPrinter( {{"formatTest", "Missing latitude"}} )
elseif args[4] == "" and args[5] == "" and args[6] == "" then
-- dec logic
result, errors = parseDec( args[1], args[2], args['format'] )
if result == nil then
return errorPrinter( errors );
end
result.param = table.concat( {args[1], "_N_", args[2], "_E_", args[3] } );
elseif dmsTest(args[4], args[8]) then
-- dms logic
result, errors = parseDMS( args[1], args[2], args[3], args[4],
args[5], args[6], args[7], args[8], args['format'] )
result.param = table.concat( { args[1], args[2], args[3], args[4], args[5],
args[6], args[7], args[8], args[9] } , '_' );
if args[10] ~= '' then
table.insert( errors, { 'formatTest', 'Extra unexpected parameters' } );
end
elseif dmsTest(args[3], args[6]) then
-- dm logic
result, errors = parseDMS( args[1], args[2], nil, args[3],
args[4], args[5], nil, args[6], args['format'] )
result.param = table.concat( { args[1], args[2], args[3], args[4], args[5],
args[6], args[7] } , '_' );
if args[8] ~= '' then
table.insert( errors, { 'formatTest', 'Extra unexpected parameters' } );
end
elseif dmsTest(args[2], args[4]) then
-- d logic
result, errors = parseDMS( args[1], nil, nil, args[2],
args[3], nil, nil, args[4], args['format'] )
result.param = table.concat( { args[1], args[2], args[3], args[4], args[5] } , '_' );
if args[6] ~= '' then
table.insert( errors, { 'formatTest', 'Extra unexpected parameters' } );
end
else
-- Error
return errorPrinter( {{"formatTest", "Unknown argument format"}} )
end
result.name = args["name"]
local extra_param = {'dim', 'globe', 'scale', 'region', 'source', 'type', 'scale', 'src'}
for _, v in ipairs( extra_param ) do
if (args[v] or '') ~= '' then
table.insert( errors, {'formatTest', 'Parameter: "' .. v .. '=" should be "' .. v .. ':"' } );
end
end
if #errors == 0 then
return specPrinter( args, result )
else
return specPrinter( args, result ) .. " " .. errorPrinter(errors) .. '[[Catégorie:Article posant un problème de coordonnées]]';
end
end
--[[
Helper function, convert decimal latitude or longitude to
degrees, minutes, and seconds format based on the specified precision.
]]
function convert_dec2dms(coordinate, firstPostfix, secondPostfix, precision)
local coord = tonumber(coordinate) or 0
local postfix
if coord >= 0 then
postfix = firstPostfix
else
postfix = secondPostfix
end
precision = precision:lower();
if precision == "dms" then
return convert_dec2dms_dms( math.abs( coord ) ) .. postfix;
elseif precision == "dm" then
return convert_dec2dms_dm( math.abs( coord ) ) .. postfix;
elseif precision == "d" then
return convert_dec2dms_d( math.abs( coord ) ) .. postfix;
end
end
--[[ Helper function, convert decimal to degrees ]]
function convert_dec2dms_d(coordinate)
local d = math_mod._round( coordinate, 0 ) .. "°&nbsp;"
return d .. ""
end
--[[ Helper function, convert decimal to degrees and minutes ]]
function convert_dec2dms_dm(coordinate)
coordinate = math_mod._round( coordinate * 60, 0 );
local m = coordinate % 60;
coordinate = math.floor( (coordinate - m) / 60 );
local d = coordinate % 360 .."°&nbsp;"
return d .. string.format( "%02d′&nbsp;", m )
end
--[[ Helper function, convert decimal to degrees, minutes, and seconds ]]
function convert_dec2dms_dms(coordinate)
coordinate = math_mod._round( coordinate * 60 * 60, 0 );
local s = coordinate % 60
coordinate = math.floor( (coordinate - s) / 60 );
local m = coordinate % 60
coordinate = math.floor( (coordinate - m) / 60 );
local d = coordinate % 360 .."°&nbsp;"
return d .. string.format( "%02d′&nbsp;", m ) .. string.format( "%02d″&nbsp;", s )
end
--[[
Convert DMS format into a N or E decimal coordinate
]]
function convert_dms2dec(direction_str, degrees_str, minutes_str, seconds_str)
local degrees = tonumber(degrees_str) or 0
local minutes = tonumber(minutes_str) or 0
local seconds = tonumber(seconds_str) or 0
local direction = direction_str:match( '^%s*(.-)%s*$' ); --remove whitespace
local factor
if direction == "N" or direction == "E" then
factor = 1
else
factor = -1
end
local precision = 0
if seconds_str ~= nil and seconds_str ~= '' then
precision = 5 + math.max( math_mod._precision(seconds_str), 0 );
elseif minutes_str ~= nil and minutes_str ~= '' then
precision = 3 + math.max( math_mod._precision(minutes_str), 0 );
else
precision = math.max( math_mod._precision(degrees_str), 0 );
end
local decimal = factor * (degrees+(minutes+seconds/60)/60)
return string.format( "%." .. precision .. "f", decimal ) -- not tonumber since this whole thing is string based.
end
--[[
Checks input values to for out of range errors.
]]
function validate( lat_d, lat_m, lat_s, long_d, long_m, long_s, source, strong )
local errors = {};
lat_d = tonumber( lat_d ) or 0;
lat_m = tonumber( lat_m ) or 0;
lat_s = tonumber( lat_s ) or 0;
long_d = tonumber( long_d ) or 0;
long_m = tonumber( long_m ) or 0;
long_s = tonumber( long_s ) or 0;
if strong then
if lat_d < 0 then
table.insert(errors, {source, "latitude degrees < 0 with hemisphere flag"})
end
if long_d < 0 then
table.insert(errors, {source, "longitude degrees < 0 with hemisphere flag"})
end
--[[
#coordinates is inconsistent about whether this is an error. If globe: is
specified, it won't error on this condition, but otherwise it will.
For not simply disable this check.
if long_d > 180 then
table.insert(errors, {source, "longitude degrees > 180 with hemisphere flag"})
end
]]
end
if lat_d > 90 then
table.insert(errors, {source, "latitude degrees > 90"})
end
if lat_d < -90 then
table.insert(errors, {source, "latitude degrees < -90"})
end
if lat_m >= 60 then
table.insert(errors, {source, "latitude minutes >= 60"})
end
if lat_m < 0 then
table.insert(errors, {source, "latitude minutes < 0"})
end
if lat_s >= 60 then
table.insert(errors, {source, "latitude seconds >= 60"})
end
if lat_s < 0 then
table.insert(errors, {source, "latitude seconds < 0"})
end
if long_d >= 360 then
table.insert(errors, {source, "longitude degrees >= 360"})
end
if long_d <= -360 then
table.insert(errors, {source, "longitude degrees <= -360"})
end
if long_m >= 60 then
table.insert(errors, {source, "longitude minutes >= 60"})
end
if long_m < 0 then
table.insert(errors, {source, "longitude minutes < 0"})
end
if long_s >= 60 then
table.insert(errors, {source, "longitude seconds >= 60"})
end
if long_s < 0 then
table.insert(errors, {source, "longitude seconds < 0"})
end
return errors;
end
--[[
dec2dms
Wrapper to allow templates to call dec2dms directly.
Usage:
{{ Invoke:Coordinates | dec2dms | decimal_coordinate | positive_suffix |
negative_suffix | precision }}
decimal_coordinate is converted to DMS format. If positive, the positive_suffix
is appended (typical N or E), if negative, the negative suffix is appended. The
specified precision is one of 'D', 'DM', or 'DMS' to specify the level of detail
to use.
]]
function coordinates.dec2dms(frame)
globalFrame = frame
local coordinate = frame.args[1]
local firstPostfix = frame.args[2]
local secondPostfix = frame.args[3]
local precision = frame.args[4]
return convert_dec2dms(coordinate, firstPostfix, secondPostfix, precision)
end
--[[
Helper function to determine whether to use D, DM, or DMS
format depending on the precision of the decimal input.
]]
function coordinates.determineMode( value1, value2 )
local precision = math.max( math_mod._precision( value1 ), math_mod._precision( value2 ) );
if precision <= 0 then
return 'd'
elseif precision <= 2 then
return 'dm';
else
return 'dms';
end
end
--[[
dms2dec
Wrapper to allow templates to call dms2dec directly.
Usage:
{{ Invoke:Coordinates | dms2dec | direction_flag | degrees |
minutes | seconds }}
Converts DMS values specified as degrees, minutes, seconds too decimal format.
direction_flag is one of N, S, E, W, and determines whether the output is
positive (i.e. N and E) or negative (i.e. S and W).
]]
function coordinates.dms2dec(frame)
globalFrame = frame
local direction = frame.args[1]
local degrees = frame.args[2]
local minutes = frame.args[3]
local seconds = frame.args[4]
if frame.args[2] == nil then
local explode=mw.text.split( frame.args[1]:match( '^%s*(.-)%s*$' ), '/' )
if (#explode > 1) then
direction = explode[#explode]
degrees = explode[1]
else
local sign, val=string.match (explode[1], '([\-]*)([%d.]*)')
if sign == '-' then direction='S' else direction='N' end
degrees = val
end
if(#explode>2) then
minutes = explode[2]
end
if(#explode>3) then
seconds = explode[3]
end
end
return convert_dms2dec(direction, degrees, minutes, seconds)
end
--[[
coord
Main entry point for Lua function to replace {{coord}}
Usage:
{{ Invoke:Coordinates | coord }}
{{ Invoke:Coordinates | coord | lat | long }}
{{ Invoke:Coordinates | coord | lat | lat_flag | long | long_flag }}
...
Refer to {{coord}} documentation page for many additional parameters and
configuration options.
Note: This function provides the visual display elements of {{coord}}. In
order to load coordinates into the database, the {{#coordinates:}} parser
function must also be called, this is done automatically in the Lua
version of {{coord}}.
]]
function coordinates.coord(frame)
globalFrame = frame
local text = ''
local args = frame.args
if args[1] == nil then
local pFrame = frame:getParent();
args = pFrame.args;
for k,v in pairs( frame.args ) do
args[k] = v;
end
end
for i=1,10 do
if args[i] == nil then
args[i] = ""
else
args[i] = args[i]:match( '^%s*(.-)%s*$' ); --remove whitespace
end
end
args['format'] = args['format'] or '';
-- 2013-08-13 : intégration wikidata >> Utilisateur Zolo, Tpt & Xfigpowert
if args[2] == '' then
local arggeo=args[1]
local item = mw.wikibase.getEntity()
if item and item.claims and item.claims['p625'] then
for _, statement in pairs( item.claims['p625'] ) do
if statement.mainsnak.snaktype == 'value' then
args[1] = tostring( statement.mainsnak.datavalue.value["latitude"] )
args[2] = tostring( statement.mainsnak.datavalue.value["longitude"] )
args[3] = arggeo
end
end
end
end
local latdms=mw.text.split( args[1], '/' )
local lngdms=mw.text.split( args[2], '/' )
if #latdms > 1 or #lngdms >1 then
-- je copie
local argsN=mw.clone(args)
local i = 1 -- point de départ
local ia = 1 -- point de départ
while (latdms[i] ~= nil) do
args[ia]=mw.text.trim(latdms[i])
i = i + 1
ia = ia +1
end
local i = 1 -- point de départ
while (lngdms[i] ~= nil) do
args[ia]=mw.text.trim(lngdms[i])
i = i + 1
ia = ia +1
end
local i = 3 -- point de départ
while (argsN[i] ~= nil) do
args[ia]=argsN[i]
i = i + 1
ia = ia +1
end
end
--définition de la planète
local astre
for _, l in ipairs(args) do
for w in string.gmatch(l, "globe:(%a+)") do
astre=w
break
end
end
--par défaut, on format pour un affichage en ligne
local contents = formatTest(args)
local Notes = args.notes or ""
local Display = string.lower(args.display or "inline")
if Display == '' then
Display = 'inline';
end
local havedisplay = "";
if string.find( Display, 'inline' ) ~= nil or Display == 'i' or
Display == 'it' or Display == 'ti' then
text = text .. displayinline(contents, Notes)
havedisplay = havedisplay .. "i";
end
if string.find( Display, 'title' ) ~= nil or Display == 't' or
Display == 'it' or Display == 'ti' then
if args['formatitle'] ~= nil then
args['format'] = args['formatitle'] or args['format']
contents = formatTest(args)
end
text = text .. displaytitle(contents, Notes, astre)
args['geodata']="primary"
text = text .. globalFrame:preprocess(formatTest(args) )
havedisplay = havedisplay .. "t";
end
if havedisplay == "" then
--rien n'a été affiché!
text = text .. displayinline(contents, Notes) .. errorPrinter( {{"display", "argument display incorrect"}} )
end
return text
end
function coordinates.Coord(frame)
return coordinates.coord(frame)
end
return coordinates

Revision as of 21:29, 25 August 2013

[créer] 50px|alt=|link= Documentation


--[[ This module is intended to replace the functionality of Template:Coord and related templates. It provides several methods, including

Script error: No such module "Coordinates". : General function formatting and displaying coordinate values.

Script error: No such module "Coordinates". : Simple function for converting decimal degree values to DMS format.

Script error: No such module "Coordinates". : Simple function for converting DMS format to decimal degree format.

]]

math_mod = require( "Module:Math" ); globalFrame = nil

coordinates = {};

--[[ Helper function, replacement for Template:Coord/display/title ]] function displaytitle (s, notes ,globe)

   --local l = "Coordinates: " .. s
   local l = "" .. s
   local extracat = ""

   if mw.title.getCurrentTitle().nsText == "" then
       if globe~= nil and globe~= "earth" then
           if globe == "moon" then
               extracat = "Catégorie:Article géolocalisé sur la Lune";                
           elseif globe == "mars" then
               extracat = "Catégorie:Article géolocalisé sur Mars";
           else
               extracat = "Catégorie:Article géolocalisé extraterrestre";
           end            
       else
           extracat = "Catégorie:Article géolocalisé sur Terre";
       end
   end

   local co = '' .. l .. notes .. '';
   return '' .. co .. '' .. extracat;

end

--[[ Helper function, Replacement for Template:Coord/display/inline ]] function displayinline (s, notes)

   return s .. notes    

end

--Helper function, used in detecting DMS formatting local dmsTest = function(first, second)

   local concatenated = first:upper() .. second:upper();

   return concatenated == "NE" or concatenated == "NO" or concatenated == "NW" or concatenated == "SE" or concatenated == "SO"  or concatenated == "SW" or
       concatenated == "EN" or concatenated == "ON" or concatenated == "WN" or concatenated == "ES" or concatenated == "OS"  or concatenated == "WS"

end

--[[ parseDec

Transforms decimal format latitude and longitude into the a structure to be used in displaying coordinates ]] function parseDec( lat, long, format )

   local coordinateSpec = {}
   local errors = {}

   if long == "" or long == nil then
       return nil, Template:"parseDec", "Missing longitude"
   end

   errors = validate( lat, nil, nil, long, nil, nil, 'parseDec', false );    
   coordinateSpec["dec-lat"]  = lat;
   coordinateSpec["dec-long"] = long;

   local mode = coordinates.determineMode( lat, long );
   coordinateSpec["dms-lat"]  = convert_dec2dms( lat, "N", "S", mode)  -- Template:Coord/dec2dms
   coordinateSpec["dms-long"] = convert_dec2dms( long, "E", "O", mode)  -- Template:Coord/dec2dms  
   coordinateSpec["dmslong-lat"]  = convert_dec2dms( lat, "Nord", "Sud", mode)  -- Template:Coord/dec2dms
   coordinateSpec["dmslong-long"] = convert_dec2dms( long, "Est", "Ouest", mode)  -- Template:Coord/dec2dms      

   if format ~= "" then
       coordinateSpec.default = format
   else
       coordinateSpec.default = "dec"
   end

   return coordinateSpec, errors

end

--Helper function, handle optional args. function optionalArg(arg, suplement)

   if arg ~= nil and arg ~= "" then
       return arg .. suplement
   end
   return ""

end

--[[ parseDMS

Transforms degrees, minutes, seconds format latitude and longitude into the a structure to be used in displaying coordinates ]] function parseDMS( lat_d, lat_m, lat_s, lat_f, long_d, long_m, long_s, long_f, format )

   local coordinateSpec = {}
   local errors = {}

   lat_f = lat_f:upper();
   long_f = string.gsub(long_f:upper(),'W','O');

   local lat_flong = 'Nord';
   if lat_f == 'S' then
       lat_flong = 'Sud';
   end
   local long_flong = 'Ouest';
   if long_f == 'E' then
       long_flong = 'Est';
   end


   -- Check if specified backward
   if lat_f == 'E' or lat_f == 'O' or lat_f == 'W' then
       local t_d, t_m, t_s, t_f;
       t_d = lat_d;
       t_m = lat_m;
       t_s = lat_s;
       t_f = lat_f;
       lat_d = long_d;
       lat_m = long_m;
       lat_s = long_s;
       lat_f = long_f;
       long_d = t_d;
       long_m = t_m;
       long_s = t_s;
       long_f = t_f;
   end    

   errors = validate( lat_d, lat_m, lat_s, long_d, long_m, long_s, 'parseDMS', true );
   if long_d == nil or long_d == "" then
       table.insert(errors, {"parseDMS", "Missing longitude" })
   end

   if lat_m == nil and lat_s == nil and long_m == nil and long_s == nil and #errors == 0 then 
       if math_mod._precision( lat_d ) > 0 or math_mod._precision( long_d ) > 0 then
           if lat_f:upper() == 'S' then 
               lat_d = '-' .. lat_d;
           end
           if long_f:upper() == 'O' or long_f:upper() == 'W' then 
               long_d = '-' .. long_d;
           end     

           return parseDec( lat_d, long_d, format );
       end        
   end   

   coordinateSpec["dms-lat"]  = lat_d.."° "..optionalArg(lat_m,"′ ") .. optionalArg(lat_s,"″ ") .. lat_f
   coordinateSpec["dmslong-lat"]  = lat_d.."° "..optionalArg(lat_m,"′ ") .. optionalArg(lat_s,"″ ") .. lat_flong
   coordinateSpec["dms-long"] = long_d.."° "..optionalArg(long_m,"′ ") .. optionalArg(long_s,"″ ") .. long_f
   coordinateSpec["dmslong-long"] = long_d.."° "..optionalArg(long_m,"′ ") .. optionalArg(long_s,"″ ") .. long_flong
   coordinateSpec["dec-lat"]  = convert_dms2dec(lat_f, lat_d, lat_m, lat_s) -- Template:Coord/dms2dec
   coordinateSpec["dec-long"] = convert_dms2dec(long_f, long_d, long_m, long_s) -- Template:Coord/dms2dec

   if format ~= "" then
       coordinateSpec.default = format
   else
       coordinateSpec.default = "dms"
   end   

   return coordinateSpec, errors

end

--[[ specPrinter

Output formatter. Takes the structure generated by either parseDec or parseDMS and formats it for inclusion on Wikipedia. ]] function specPrinter(args, coordinateSpec)

   local uriComponents = coordinateSpec["param"]
   if uriComponents == "" then
       -- RETURN error, should never be empty or nil
       return "ERROR param was empty"
   end

   if args["name"] ~= "" and args["name"] ~= nil then
       uriComponents = uriComponents .. "&title=" .. mw.uri.encode(coordinateSpec["name"])
   end

   local lang=mw.language.getContentLanguage():getCode();

   local geodmshtml = ''
            .. '' .. coordinateSpec["dms-lat"] .. ' '
            .. '' ..coordinateSpec["dms-long"] .. ''
            .. ''
   local geodmslonghtml = ''
            .. '' .. coordinateSpec["dmslong-lat"] .. ' '
            .. '' ..coordinateSpec["dmslong-long"] .. ''
            .. ''
   local lat = tonumber( coordinateSpec["dec-lat"] ) or 0
   if lat < 0 then
       -- FIXME this breaks the pre-existing precision
       --geodeclat = coordinateSpec["dec-lat"]:sub(2) .. "°S"
       geodeclat = "-" .. coordinateSpec["dec-lat"]:sub(2)
   else
       --geodeclat = (coordinateSpec["dec-lat"] or 0) .. "°N"
       geodeclat = (coordinateSpec["dec-lat"] or 0)
   end

   local long = tonumber( coordinateSpec["dec-long"] ) or 0
   if long < 0 then
       -- FIXME does not handle unicode minus
       --geodeclong = coordinateSpec["dec-long"]:sub(2) .. "°O"
       geodeclong = '-' .. coordinateSpec["dec-long"]:sub(2)
   else
       --geodeclong = (coordinateSpec["dec-long"] or 0) .. "°E"
       geodeclong = (coordinateSpec["dec-long"] or 0)
   end

   local geodechtml = ''
            .. geodeclat .. ', '
            .. geodeclong
            .. ''

   local geonumhtml = ''
            .. coordinateSpec["dec-lat"] .. '; '
            .. coordinateSpec["dec-long"]
            .. ''

--cf http://www.mediawiki.org/wiki/Extension:GeoData

   local r,s,t=string.match (coordinateSpec["param"],'(.*)_(E?W?)_(.*)')
   local geodata = 'Invalid arguments have been passed to the {{#coordinates:}} function'
   if args['geodata'] ~= nil then
       return geodata;
   end

   local inner;
   if coordinateSpec["default"] == "dms" then
       inner = '' .. geodmshtml .. ''
                   .. ' / '
                   .. '';
   else
       inner = '' .. geodmslonghtml .. ''
                   .. ' / '
                   .. '';        
   end


   if args["name"] == "" or args["name"] == nil then
       inner = inner .. geodechtml 
               .. ' / ' .. geonumhtml .. ''
   else
       inner = inner .. '' .. geodechtml 
               .. ' / ' .. geonumhtml .. ''
               .. ' ('
               .. args["name"] .. ')'
   end

   return '' .. globalFrame:preprocess(
       '[//tools.wmflabs.org/geohack/geohack.php?pagename=Template:Wp/tzm/%E2%B4%B0%E2%B5%8E%E2%B5%99%E2%B5%89%E2%B4%B3%E2%B4%B7&language=' .. lang .. '&params=' ..
       uriComponents .. ' ' .. inner .. ']') .. ''

end

--[[ Formats any error messages generated for display ]] function errorPrinter(errors)

   local result = ""
   for i,v in ipairs(errors) do
       local errorHTML = 'Coordonnées: ' .. v[2] .. ''
       result = result .. errorHTML .. "
" end return result

end

--[[ Determine the required CSS class to display coordinates

Usually geo-nondefault is hidden by CSS, unless a user has overridden this for himself default is the mode as specificied by the user when calling the Template:Coord template mode is the display mode (dec or dms) that we will need to determine the css class for ]] function displayDefault(default, mode)

   if default == "" then
       default = "dec"
   end

   if default:sub(1,4) == mode:sub(1,4) then
       return "geo-default"
   else
       return "geo-nondefault"
   end

end

--[[ Check the input arguments for coord to determine the kind of data being provided and then make the necessary processing. ]] function formatTest(args)

   local result, errors;
   local primary = false;

   if args[1] == "" then
       -- no lat logic
       return errorPrinter( Template:"formatTest", "Missing latitude" )
   elseif args[4] == "" and args[5] == "" and args[6] == "" then
       -- dec logic
       result, errors = parseDec( args[1], args[2], args['format'] )
       if result == nil then
           return errorPrinter( errors );
       end              
       result.param    = table.concat( {args[1], "_N_", args[2], "_E_", args[3] } );
   elseif dmsTest(args[4], args[8]) then
       -- dms logic
       result, errors = parseDMS( args[1], args[2], args[3], args[4], 
           args[5], args[6], args[7], args[8], args['format'] )
       result.param = table.concat( { args[1], args[2], args[3], args[4], args[5],
           args[6], args[7], args[8], args[9] } , '_' );
       if args[10] ~=  then
           table.insert( errors, { 'formatTest', 'Extra unexpected parameters' } );
       end        
   elseif dmsTest(args[3], args[6]) then
       -- dm logic
       result, errors = parseDMS( args[1], args[2], nil, args[3], 
           args[4], args[5], nil, args[6], args['format'] )
       result.param = table.concat( { args[1], args[2], args[3], args[4], args[5],
           args[6], args[7] } , '_' );
       if args[8] ~=  then
           table.insert( errors, { 'formatTest', 'Extra unexpected parameters' } );
       end        
   elseif dmsTest(args[2], args[4]) then
       -- d logic
       result, errors = parseDMS( args[1], nil, nil, args[2], 
           args[3], nil, nil, args[4], args['format'] )
       result.param = table.concat( { args[1], args[2], args[3], args[4], args[5] } , '_' );
       if args[6] ~=  then
           table.insert( errors, { 'formatTest', 'Extra unexpected parameters' } );
       end        
   else
       -- Error
       return errorPrinter( Template:"formatTest", "Unknown argument format" )
   end
   result.name     = args["name"]

   local extra_param = {'dim', 'globe', 'scale', 'region', 'source', 'type', 'scale', 'src'}
   for _, v in ipairs( extra_param ) do
       if (args[v] or ) ~=  then 
           table.insert( errors, {'formatTest', 'Parameter: "' .. v .. '=" should be "' .. v .. ':"' } );
       end
   end

   if #errors == 0 then
       return specPrinter( args, result )    
   else
       return specPrinter( args, result ) .. " " .. errorPrinter(errors) .. 'Catégorie:Article posant un problème de coordonnées'; 
   end    

end

--[[ Helper function, convert decimal latitude or longitude to degrees, minutes, and seconds format based on the specified precision. ]] function convert_dec2dms(coordinate, firstPostfix, secondPostfix, precision)

   local coord = tonumber(coordinate) or 0
   local postfix
   if coord >= 0 then
       postfix = firstPostfix
   else
       postfix = secondPostfix
   end

   precision = precision:lower();
   if precision == "dms" then
       return convert_dec2dms_dms( math.abs( coord ) ) .. postfix;
   elseif precision == "dm" then
       return convert_dec2dms_dm( math.abs( coord ) ) .. postfix;
   elseif precision == "d" then
       return convert_dec2dms_d( math.abs( coord ) ) .. postfix;
   end

end

--Helper function, convert decimal to degrees function convert_dec2dms_d(coordinate)

   local d = math_mod._round( coordinate, 0 ) .. "° "
   return d .. ""

end

--Helper function, convert decimal to degrees and minutes function convert_dec2dms_dm(coordinate)

   coordinate = math_mod._round( coordinate * 60, 0 );
   local m = coordinate % 60;
   coordinate = math.floor( (coordinate - m) / 60 );
   local d = coordinate % 360 .."° "

   return d .. string.format( "%02d′ ", m )

end

--Helper function, convert decimal to degrees, minutes, and seconds function convert_dec2dms_dms(coordinate)

   coordinate = math_mod._round( coordinate * 60 * 60, 0 );
   local s = coordinate % 60
   coordinate = math.floor( (coordinate - s) / 60 );
   local m = coordinate % 60
   coordinate = math.floor( (coordinate - m) / 60 );
   local d = coordinate % 360 .."° "

   return d .. string.format( "%02d′ ", m ) .. string.format( "%02d″ ", s )

end

--[[ Convert DMS format into a N or E decimal coordinate ]] function convert_dms2dec(direction_str, degrees_str, minutes_str, seconds_str)

   local degrees = tonumber(degrees_str) or 0
   local minutes = tonumber(minutes_str) or 0
   local seconds = tonumber(seconds_str) or 0
   local direction = direction_str:match( '^%s*(.-)%s*$' );  --remove whitespace

   local factor
   if direction == "N" or direction == "E" then
       factor = 1
   else
       factor = -1
   end

   local precision = 0
   if seconds_str ~= nil and seconds_str ~=  then
       precision = 5 + math.max( math_mod._precision(seconds_str), 0 );
   elseif minutes_str ~= nil and minutes_str ~=  then
       precision = 3 + math.max( math_mod._precision(minutes_str), 0 );
   else
       precision = math.max( math_mod._precision(degrees_str), 0 );
   end

   local decimal = factor * (degrees+(minutes+seconds/60)/60) 
   return string.format( "%." .. precision .. "f", decimal ) -- not tonumber since this whole thing is string based.

end

--[[ Checks input values to for out of range errors. ]] function validate( lat_d, lat_m, lat_s, long_d, long_m, long_s, source, strong )

   local errors = {};
   lat_d = tonumber( lat_d ) or 0;
   lat_m = tonumber( lat_m ) or 0;
   lat_s = tonumber( lat_s ) or 0;
   long_d = tonumber( long_d ) or 0;
   long_m = tonumber( long_m ) or 0;
   long_s = tonumber( long_s ) or 0;

   if strong then
       if lat_d < 0 then
           table.insert(errors, {source, "latitude degrees < 0 with hemisphere flag"})
       end
       if long_d < 0 then
           table.insert(errors, {source, "longitude degrees < 0 with hemisphere flag"})
       end
       --[[ 
       #coordinates is inconsistent about whether this is an error.  If globe: is
       specified, it won't error on this condition, but otherwise it will.

       For not simply disable this check.

       if long_d > 180 then
           table.insert(errors, {source, "longitude degrees > 180 with hemisphere flag"})
       end
       ]]
   end    

   if lat_d > 90 then
       table.insert(errors, {source, "latitude degrees > 90"})
   end
   if lat_d < -90 then
       table.insert(errors, {source, "latitude degrees < -90"})
   end
   if lat_m >= 60 then
       table.insert(errors, {source, "latitude minutes >= 60"})
   end
   if lat_m < 0 then
       table.insert(errors, {source, "latitude minutes < 0"})
   end
   if lat_s >= 60 then
       table.insert(errors, {source, "latitude seconds >= 60"})
   end
   if lat_s < 0 then
       table.insert(errors, {source, "latitude seconds < 0"})
   end
   if long_d >= 360 then
       table.insert(errors, {source, "longitude degrees >= 360"})
   end
   if long_d <= -360 then
       table.insert(errors, {source, "longitude degrees <= -360"})
   end
   if long_m >= 60 then
       table.insert(errors, {source, "longitude minutes >= 60"})
   end
   if long_m < 0 then
       table.insert(errors, {source, "longitude minutes < 0"})
   end
   if long_s >= 60 then
       table.insert(errors, {source, "longitude seconds >= 60"})
   end
   if long_s < 0 then
       table.insert(errors, {source, "longitude seconds < 0"})
   end

   return errors;

end

--[[ dec2dms

Wrapper to allow templates to call dec2dms directly.

Usage:

   Template:Invoke:Coordinates

decimal_coordinate is converted to DMS format. If positive, the positive_suffix is appended (typical N or E), if negative, the negative suffix is appended. The specified precision is one of 'D', 'DM', or 'DMS' to specify the level of detail to use. ]] function coordinates.dec2dms(frame)

   globalFrame = frame
   local coordinate = frame.args[1]
   local firstPostfix = frame.args[2]
   local secondPostfix = frame.args[3]
   local precision = frame.args[4]

   return convert_dec2dms(coordinate, firstPostfix, secondPostfix, precision)

end

--[[ Helper function to determine whether to use D, DM, or DMS format depending on the precision of the decimal input. ]] function coordinates.determineMode( value1, value2 )

   local precision = math.max( math_mod._precision( value1 ), math_mod._precision( value2 ) );
   if precision <= 0 then
       return 'd'
   elseif precision <= 2 then
       return 'dm';
   else
       return 'dms';
   end

end

--[[ dms2dec

Wrapper to allow templates to call dms2dec directly.

Usage:

   Template:Invoke:Coordinates

Converts DMS values specified as degrees, minutes, seconds too decimal format. direction_flag is one of N, S, E, W, and determines whether the output is positive (i.e. N and E) or negative (i.e. S and W). ]] function coordinates.dms2dec(frame)

   globalFrame = frame

   local direction = frame.args[1]
   local degrees = frame.args[2]
   local minutes = frame.args[3]
   local seconds = frame.args[4]  

   if frame.args[2] == nil then 
       local explode=mw.text.split( frame.args[1]:match( '^%s*(.-)%s*$' ), '/' )
       if (#explode > 1) then
           direction = explode[#explode]
           degrees = explode[1]
       else
           local sign, val=string.match (explode[1], '([\-]*)([%d.]*)')
           if sign == '-' then direction='S' else direction='N' end
           degrees = val
       end    
       if(#explode>2) then 
           minutes = explode[2]
       end
       if(#explode>3) then 
           seconds = explode[3]
       end
   end     

   return convert_dms2dec(direction, degrees, minutes, seconds)

end

--[[ coord

Main entry point for Lua function to replace Template:Coord

Usage:

   Template:Invoke:Coordinates
   Template:Invoke:Coordinates
   Template:Invoke:Coordinates
   ...

   Refer to Template:Coord documentation page for many additional parameters and 
   configuration options.

Note: This function provides the visual display elements of Template:Coord. In order to load coordinates into the database, the Invalid arguments have been passed to the {{#coordinates:}} function parser function must also be called, this is done automatically in the Lua version of Template:Coord. ]] function coordinates.coord(frame)

   globalFrame = frame

   local text = 

   local args = frame.args
   if args[1] == nil then
       local pFrame = frame:getParent();
       args = pFrame.args;
       for k,v in pairs( frame.args ) do
           args[k] = v;
       end
   end

   for i=1,10 do 
       if args[i] == nil then 
           args[i] = ""
       else
           args[i] = args[i]:match( '^%s*(.-)%s*$' );  --remove whitespace
       end        
   end
   args['format'] = args['format'] or ;

   -- 2013-08-13 : intégration wikidata >> Utilisateur Zolo, Tpt & Xfigpowert
   if args[2] ==  then
       local arggeo=args[1]
       local item = mw.wikibase.getEntity()
       if item and item.claims and item.claims['p625'] then
           for _, statement in pairs( item.claims['p625'] ) do
               if statement.mainsnak.snaktype == 'value' then
                   args[1] = tostring( statement.mainsnak.datavalue.value["latitude"] )
                   args[2] = tostring( statement.mainsnak.datavalue.value["longitude"] )
                   args[3] = arggeo
               end
           end
       end
   end
   local latdms=mw.text.split( args[1], '/' )
   local lngdms=mw.text.split( args[2], '/' )
   if #latdms > 1 or #lngdms >1 then 
       -- je copie
       local argsN=mw.clone(args)   
       local i = 1 -- point de départ
       local ia = 1 -- point de départ
       while (latdms[i] ~= nil) do
         args[ia]=mw.text.trim(latdms[i])
         i = i + 1
         ia = ia +1
       end
       local i = 1 -- point de départ
       while (lngdms[i] ~= nil) do
         args[ia]=mw.text.trim(lngdms[i])
         i = i + 1
         ia = ia +1
       end
       local i = 3 -- point de départ
       while (argsN[i] ~= nil) do
         args[ia]=argsN[i]
         i = i + 1
         ia = ia +1
       end
   end

   --définition de la planète
   local astre
   for _, l in ipairs(args) do
       for w in string.gmatch(l, "globe:(%a+)") do
           astre=w
           break
       end
   end

   --par défaut, on format pour un affichage en ligne
   local contents = formatTest(args)
   local Notes = args.notes or ""
   local Display = string.lower(args.display or "inline")
   if Display ==  then
       Display = 'inline';
   end
   local havedisplay = "";

   if string.find( Display, 'inline' ) ~= nil or Display == 'i' or 
           Display == 'it' or Display == 'ti' then
       text = text .. displayinline(contents, Notes)
       havedisplay = havedisplay .. "i";
   end
   if string.find( Display, 'title' ) ~= nil or Display == 't' or 
           Display == 'it' or Display == 'ti' then
       if args['formatitle'] ~= nil then
           args['format'] = args['formatitle'] or args['format']
           contents = formatTest(args)
       end   
       text = text .. displaytitle(contents, Notes, astre)
       args['geodata']="primary"
       text = text ..  globalFrame:preprocess(formatTest(args) )

       havedisplay = havedisplay .. "t";
   end

   if havedisplay == "" then
       --rien n'a été affiché!
       text = text .. displayinline(contents, Notes) .. errorPrinter( Template:"display", "argument display incorrect" )

   end    

   return text

end

function coordinates.Coord(frame)

   return coordinates.coord(frame)

end


return coordinates