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モジュール:サンドボックス/Ef3/Coordinates

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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)
    local l = "[[地理座標系|座標]]: " .. s
    local co = '<span id="coordinates">' .. l .. notes .. '</span>';
    return '<span style="font-size: small;">' .. co .. '</span>';
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();
 
    if concatenated == "NE" or concatenated == "NW" or concatenated == "SE" or concatenated == "SW" or
        concatenated == "EN" or concatenated == "WN" or concatenated == "ES" or concatenated == "WS" then
        return true;
    end
    return false;
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", "経度が指定されていません"}}
    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, "北緯", "南緯", mode)  -- {{coord/dec2dms|{{{1}}}|N|S|{{coord/prec dec|{{{1}}}|{{{2}}}}}}}
    coordinateSpec["dms-long"] = convert_dec2dms( long, "東経", "西経", 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 = {}
    local format_en2ja = {
        N = "北緯",
        S = "南緯",
        E = "東経",
        W = "西経"
    }
 
    lat_f = lat_f:upper();
    long_f = long_f:upper();
 
    -- Check if specified backward
    if lat_f == 'E' 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", "経度が指定されていません" })
    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() == 'W' then 
                long_d = '-' .. long_d;
            end     
 
            return parseDec( lat_d, long_d, format );
        end        
    end   
 
    coordinateSpec["dms-lat"]  = format_en2ja[lat_f] .. lat_d.."度"..optionalArg(lat_m,"分") .. optionalArg(lat_s,"秒")
    coordinateSpec["dms-long"] = format_en2ja[long_f] .. long_d.."度"..optionalArg(long_m,"分") .. optionalArg(long_s,"秒")
    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 "エラー: param が空です"
    end
    if args["name"] ~= "" and args["name"] ~= nil then
        uriComponents = uriComponents .. "&title=" .. mw.uri.encode(coordinateSpec["name"])
    end
 
    local geodmshtml = '<span class="geo-dms" title="この位置の地図や航空写真などにリンクするページを表示します">'
             .. '<span class="latitude">' .. coordinateSpec["dms-lat"] .. '</span> '
             .. '<span class="longitude">' ..coordinateSpec["dms-long"] .. '</span>'
             .. '</span>'
 
    local lat = tonumber( coordinateSpec["dec-lat"] ) or 0
    if lat < 0 then
        -- FIXME this breaks the pre-existing precision
        geodeclat = "南緯" .. coordinateSpec["dec-lat"]:sub(2) .. "度"
    else
        geodeclat = "北緯" .. (coordinateSpec["dec-lat"] or 0) .. "度"
    end
 
    local long = tonumber( coordinateSpec["dec-long"] ) or 0
    if long < 0 then
        -- FIXME does not handle unicode minus
        geodeclong = "西経" .. coordinateSpec["dec-long"]:sub(2) .. "度"
    else
        geodeclong = "東経" .. (coordinateSpec["dec-long"] or 0) .. "度"
    end
 
    local geodechtml = '<span class="geo-dec" title="この位置の地図や航空写真などにリンクするページを表示します">'
             .. '<span class="nowrap">' .. geodeclat .. '</span> '
             .. '<span class="nowrap">' .. geodeclong .. '</span>'
             .. '</span>'
 
    local geonumhtml = '<span class="geo">'
             .. coordinateSpec["dec-lat"] .. '; '
             .. coordinateSpec["dec-long"]
             .. '</span>'
 
    local inner;
    inner = '<span class="' .. displayDefault(coordinateSpec["default"], "dms" ) .. '">' .. geodmshtml .. '</span>'
                .. '<span class="geo-multi-punct">&#xfeff; / &#xfeff;</span>'
                .. '<span class="' .. displayDefault(coordinateSpec["default"], "dec" ) .. '">';
 
    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="plainlinks nourlexpansion">' .. globalFrame:preprocess(
        '[//tools.wmflabs.org/geohack/geohack.php?language=ja&pagename={{FULLPAGENAMEE}}&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">座標: ' .. 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 == mode 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", "緯度が指定されていません"}} )
    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', '座標オプションが認識できません' } );
        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', '座標オプションが認識できません' } );
        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', '座標オプションが認識できません' } );
        end        
    else
        -- Error
        return errorPrinter( {{"formatTest", "引数の形式が認識できません"}} )
    end
    result.name     = args["name"]
 
    local extra_param = {'dim', 'globe', 'scale', 'region', 'source', 'type'}
    for _, v in ipairs( extra_param ) do
        if (args[v] or '') ~= '' then 
            table.insert( errors, {'formatTest', '引数: "' .. v .. '=" は "' .. v .. ':" という形式でなければいけません' } );
        end
    end
 
    if #errors == 0 then
        return specPrinter( args, result )    
    else
        return specPrinter( args, result ) .. " " .. errorPrinter(errors) .. '[[Category:座標タグに誤りがあるページ]]'; 
    end    
end
 
--[[ 
Helper function, convert decimal latitude or longitude to 
degrees, minutes, and seconds format based on the specified precision.  
]]
function convert_dec2dms(coordinate, firstPrefix, secondPrefix, precision)
    local coord = tonumber(coordinate) or 0
    local prefix
    if coord >= 0 then
        prefix = firstPrefix
    else
        prefix = secondPrefix
    end
 
    precision = precision:lower();
    if precision == "dms" then
        return prefix .. convert_dec2dms_dms( math.abs( coord ) );
    elseif precision == "dm" then
        return prefix .. convert_dec2dms_dm( math.abs( coord ) );
    elseif precision == "d" then
        return prefix .. convert_dec2dms_d( math.abs( coord ) );
    end
end
 
--[[ Helper function, convert decimal to degrees ]]
function convert_dec2dms_d(coordinate)
    local d = math_mod._round( coordinate, 0 ) .. "度"
    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 .."度"
 
    return d .. string.format( "%02d分", 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 .."度"
 
    return d .. string.format( "%02d分", m ) .. string.format( "%02d秒", s )
end
 
--[[
Convert DMS format into a N or E decimal coordinate
]]
function convert_dms2dec(direction, 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 factor
    direction = mw.ustring.gsub(direction, '^[ ]*(.-)[ ]*$', '%1');
    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, "緯度が0度を下回っていますが南北が指定されています"})
        end
        if long_d < 0 then
            table.insert(errors, {source, "経度が0度を下回っていますが東西が指定されています"})
        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, "経度が180度を上回っていますが東西が指定されています"})
        end
        ]]
    end    
 
    if lat_d > 90 then
        table.insert(errors, {source, "緯度の度が90を上回っています"})
    end
    if lat_d < -90 then
        table.insert(errors, {source, "緯度の度が-90を下回っています"})
    end
    if lat_m >= 60 then
        table.insert(errors, {source, "緯度の分が60以上です"})
    end
    if lat_m < 0 then
        table.insert(errors, {source, "緯度の分が0を下回っています"})
    end
    if lat_s >= 60 then
        table.insert(errors, {source, "緯度の秒が60以上です"})
    end
    if lat_s < 0 then
        table.insert(errors, {source, "緯度の秒が0を下回っています"})
    end
    if long_d >= 360 then
        table.insert(errors, {source, "経度の度が360以上です"})
    end
    if long_d <= -360 then
        table.insert(errors, {source, "経度の度が-360以下です"})
    end
    if long_m >= 60 then
        table.insert(errors, {source, "経度の分が60以上です"})
    end
    if long_m < 0 then
        table.insert(errors, {source, "経度の分が0を下回っています"})
    end
    if long_s >= 60 then
        table.insert(errors, {source, "経度の秒が60以上です"})
    end
    if long_s < 0 then
        table.insert(errors, {source, "経度の秒が0を下回っています"})
    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]
 
    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 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 '';
 
    local contents = formatTest(args)
    local Notes = args.notes or ""
    local Display = string.lower(args.display or "inline")
    if Display == '' then
        Display = 'inline';
    end
 
    local text = ''
    if string.find( Display, 'inline' ) ~= nil or Display == 'i' or 
            Display == 'it' or Display == 'ti' then
        text = displayinline(contents, Notes)
    end
    if string.find( Display, 'title' ) ~= nil or Display == 't' or 
            Display == 'it' or Display == 'ti' then
        text = text .. displaytitle(contents, Notes)
    end
    return text
end
 
return coordinates
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