编辑“︁Module:InfoboxImage”︁

-- 输入： - 输入：
--    image - 纯文件名（带有File:/Image:前缀与否皆可）或完全格式化的图片链接 - 纯档案名（带有File:/Image:字首与否皆可）或完全格式化的图片连结
--    page - page to display for multipage images (DjVu)
--    size - 显示图像大小 - 显示影像大小
--    maxsize - 图像最大大小 - 影像最大大小
--    sizedefault - 如果size参数留空，默认显示图像大小 - 如果size参数留空，预设显示影像大小
--    alt - 图像替换文本 - 影像替换文字
--    title - 图像标题文本 - 影像标题文字
--    border - 有边框则设为yes - 有边框则设为yes
--    center - 图像需居中则设为yes - 影像需居中则设为yes
--    upright - 垂直图像参数 - 垂直影像参数 
--    suppressplaceholder - 设为yes则检查图像是否为占位符并停用 - 设为yes则检查影像是否为占位符并停用
--    link - 点击图像时访问的页面 - 点选影像时访问的页面
-- 输出： - 输出：
--    格式化图像 - 格式化影像
-- 详情请参阅"Module:InfoboxImage/doc"页面 - 详情请参阅"Module:InfoboxImage/doc"页面

local i = {};

local placeholder_image = {
    "Blue - Replace this image female.svg",
    "Blue - Replace this image male.svg",
    "Female no free image yet.png",
    "Flag of None (square).svg",
    "Flag of None.svg",
    "Flag of.svg",
    "Green - Replace this image female.svg",
    "Green - Replace this image male.svg",
    "Image is needed female.svg",
    "Image is needed male.svg",
    "Location map of None.svg",
    "Male no free image yet.png",
    "Missing flag.png",
    "No flag.svg",
    "No free portrait.svg",
    "No portrait (female).svg",
    "No portrait (male).svg",
    "Red - Replace this image female.svg",
    "Red - Replace this image male.svg",
    "Replace this image female (blue).svg",
    "Replace this image female.svg",
    "Replace this image male (blue).svg",
    "Replace this image male.svg",
    "Silver - Replace this image female.svg",
    "Silver - Replace this image male.svg",
    "Replace this image.svg",
	"Cricket no pic.png",
	"CarersLogo.gif",
	"Diagram Needed.svg",
	"Example.jpg",
	"Image placeholder.png",
	"No male portrait.svg",
	"Nocover-upload.png",
	"NoDVDcover copy.png",
	"Noribbon.svg",
	"No portrait-BFD-test.svg",
	"Placeholder barnstar ribbon.png",
	"Project Trains no image.png",
	"Image-request.png",
	"Sin bandera.svg",
	"Sin escudo.svg",
	"Replace this image - temple.png",
	"Replace this image butterfly.png",
	"Replace this image.svg",
	"Replace this image1.svg",
	"Resolution angle.png",
	"Image-No portrait-text-BFD-test.svg",
	"Insert image here.svg",
	"No image available.png",
	"NO IMAGE YET square.png",
	"NO IMAGE YET.png",
	"No Photo Available.svg",
	"No Screenshot.svg",
	"No-image-available.jpg",
	"Null.png",
	"PictureNeeded.gif",
	"Place holder.jpg",
	"Unbenannt.JPG",
	"UploadACopyrightFreeImage.svg",
	"UploadAnImage.gif",
	"UploadAnImage.svg",
	"UploadAnImageShort.svg",
	"CarersLogo.gif",
	"Diagram Needed.svg",
	"No male portrait.svg",
	"NoDVDcover copy.png",
	"Placeholder barnstar ribbon.png",
	"Project Trains no image.png",
	"Image-request.png",
}

function i.IsPlaceholder(image)
    -- change underscores to spaces
    image = mw.ustring.gsub(image, "_", " ");
    assert(image ~= nil, 'mw.ustring.gsub(image, "_", " ") must not return nil')
    -- if image starts with [[ then remove that and anything after |
    if mw.ustring.sub(image,1,2) == "[[" then
        image = mw.ustring.sub(image,3);
        image = mw.ustring.gsub(image, "([^|]*)|.*", "%1");
        assert(image ~= nil, 'mw.ustring.gsub(image, "([^|]*)|.*", "%1") must not return nil')
    end
    -- Trim spaces
    image = mw.ustring.gsub(image, '^[ ]*(.-)[ ]*$', '%1');
    assert(image ~= nil, "mw.ustring.gsub(image, '^[ ]*(.-)[ ]*$', '%1') must not return nil")
    -- remove prefix if exists
    local allNames = mw.site.namespaces[6].aliases
    allNames[#allNames + 1] = mw.site.namespaces[6].name
    allNames[#allNames + 1] = mw.site.namespaces[6].canonicalName
    for i, name in ipairs(allNames) do
        if mw.ustring.lower(mw.ustring.sub(image, 1, mw.ustring.len(name) + 1)) == mw.ustring.lower(name .. ":") then
            image = mw.ustring.sub(image, mw.ustring.len(name) + 2);
            break
        end
    end
    -- Trim spaces
    image = mw.ustring.gsub(image, '^[ ]*(.-)[ ]*$', '%1');
    -- capitalise first letter
    image = mw.ustring.upper(mw.ustring.sub(image,1,1)) .. mw.ustring.sub(image,2);

    for i,j in pairs(placeholder_image) do
        if image == j then
            return true
        end
    end
    return false
end

function i.InfoboxImage(frame)
    local image = frame.args["image"];
    
    if image == "" or image == nil then
        return "";
    end
    if image == "&nbsp;" then
        return image;
    end
    if frame.args["suppressplaceholder"] ~= "no" then
        if i.IsPlaceholder(image) == true then
            return "";
        end
    end

    if mw.ustring.lower(mw.ustring.sub(image,1,5)) == "http:" then
        return "";
    end
    if mw.ustring.lower(mw.ustring.sub(image,1,6)) == "[http:" then
        return "";
    end
    if mw.ustring.lower(mw.ustring.sub(image,1,7)) == "[[http:" then
        return "";
    end
    if mw.ustring.lower(mw.ustring.sub(image,1,6)) == "https:" then
        return "";
    end
    if mw.ustring.lower(mw.ustring.sub(image,1,7)) == "[https:" then
        return "";
    end
    if mw.ustring.lower(mw.ustring.sub(image,1,8)) == "[[https:" then
        return "";
    end

    if mw.ustring.sub(image,1,2) == "[[" then
        -- search for thumbnail images and add to tracking cat if found
        if mw.title.getCurrentTitle().namespace == 0 and (mw.ustring.find(image, "|%s*thumb%s*[|%]]") or mw.ustring.find(image, "|%s*thumbnail%s*[|%]]")) then
            return image .. "[[Category:信息框内使用缩图语法的页面]]";
        elseif mw.title.getCurrentTitle().namespace == 0 then
            return image .. "[[Category:使用过时图像语法的页面]]";
        else
            return image;
        end
    elseif mw.ustring.sub(image,1,2) == "{{" and mw.ustring.sub(image,1,3) ~= "{{{" then
        return image;
    elseif mw.ustring.sub(image,1,1) == "<" then
        return image;
    elseif mw.ustring.sub(image,1,5) == mw.ustring.char(127).."UNIQ" then
        -- Found strip marker at begining, so pass don't process at all
        return image;
    elseif mw.ustring.sub(image,4,9) == "`UNIQ-" then
        -- Found strip marker at begining, so pass don't process at all
        return image;
    else
        local result = "";
        local page = frame.args["page"];
        local size = frame.args["size"];
        local maxsize = frame.args["maxsize"];
        local sizedefault = frame.args["sizedefault"];
        local alt = frame.args["alt"];
        local link = frame.args["link"];
        local title = frame.args["title"];
        local border = frame.args["border"];
        local upright = frame.args["upright"] or "";
        local thumbtime = frame.args["thumbtime"] or "";
        local center= frame.args["center"];
        local class= frame.args["class"];        
        
        -- remove prefix if exists
        local allNames = mw.site.namespaces[6].aliases
        allNames[#allNames + 1] = mw.site.namespaces[6].name
        allNames[#allNames + 1] = mw.site.namespaces[6].canonicalName
        for i, name in ipairs(allNames) do
            if mw.ustring.lower(mw.ustring.sub(image, 1, mw.ustring.len(name) + 1)) == mw.ustring.lower(name .. ":") then
                image = mw.ustring.sub(image, mw.ustring.len(name) + 2);
                break
            end
        end
        
        if maxsize ~= "" and maxsize ~= nil then
            -- if no sizedefault then set to maxsize
            if sizedefault == "" or sizedefault == nil then
                sizedefault = maxsize
            end
            -- check to see if size bigger than maxsize
            if size ~= "" and size ~= nil then
                local sizenumber = tonumber(mw.ustring.match(size,"%d*")) or 0;
                local maxsizenumber = tonumber(mw.ustring.match(maxsize,"%d*")) or 0;
                if sizenumber>maxsizenumber and maxsizenumber>0 then
                    size = maxsize;
                end
            end
        end
        -- add px to size if just a number
        if (tonumber(size) or 0) > 0 then
            size = size .. "px";
        end
        -- add px to sizedefault if just a number
        if (tonumber(sizedefault) or 0) > 0 then
            sizedefault = sizedefault .. "px";
        end
        
        result = "[[File:" .. image;
        if page ~= "" and page ~= nil then
            result = result .. "|page=" .. page;
        end
        if size ~= "" and size ~= nil then
            result = result .. "|" .. size;
        elseif sizedefault ~= "" and sizedefault ~= nil then
            result = result .. "|" .. sizedefault;
        else
            result = result .. "|frameless";
        end
        if center == "yes" then
            result = result .. "|center"
        end
        if alt ~= "" and alt ~= nil then
            result = result .. "|alt=" .. alt;
        end
        if link ~= "" and link ~= nil then
            result = result .. "|link=" .. link;
        end
        if border == "yes" then
            result = result .. "|border";
        end
        if upright == "yes" then
            result = result .. "|upright";
        elseif upright ~= "" then
            result = result .. "|upright=" .. upright;
        end
        if thumbtime ~= "" then
            result = result .. "|thumbtime=" .. thumbtime;
        end
        if title ~= "" and title ~= nil then
            result = result .. "|" .. title;
        elseif alt ~= "" and alt ~= nil then
            result = result .. "|" .. alt;
        end
        if class ~= "" and class ~= nil then
            result = result .. "|class=" .. class;
        end
        result = result .. "]]";
        
        return result;
    end
end

return i;