function get_filename($page)
 {
     if (MOD_PUKI_WIKI_VER == '1.3') {
         $page = PukiWikiFunc::add_bracket(PukiWikiFunc::strip_bracket($page));
     }
     return MOD_PUKI_WIKI_DATA_DIR . PukiWikiFunc::encode($page) . '.txt';
 }
function plugin_ref_body($name, $args, $params)
{
    // $nameをもとに以下の変数を設定
    // $url : URL
    // $title :タイトル
    // $ext : 拡張子判別用文字列
    // $icon : アイコンのimgタグ
    // $size : 画像ファイルのときサイズ
    // $info : 画像ファイル以外のファイルの情報
    //  添付ファイルのとき : ファイルの最終更新日とサイズ
    //  URLのとき : URLそのもの
    $ret = "";
    if (PukiWikiFunc::is_url($name)) {
        //URL
        $url = $ext = $info = htmlspecialchars($name);
        $icon = $size = '';
        $l_url = $url;
        $icon = MOD_PUKI_REF_FILE_ICON;
        if (preg_match('/([^\\/]+)$/', $name, $match)) {
            $ext = $match[1];
        }
    } else {
        $page = '';
        if (count($args) > 0) {
            $_page = $args[0];
            if (PukiWikiFunc::is_page($_page)) {
                $page = $_page;
                array_shift($args);
            }
        }
        //相対パスからフルパスを得る
        if (preg_match('/^(.+)\\/([^\\/]+)$/', $name, $matches)) {
            if ($matches[1] == '.' or $matches[1] == '..') {
                $matches[1] .= '/';
            }
            $page = PukiWikiFunc::add_bracket($matches[1]);
            $name = $matches[2];
        }
        $ext = $name;
        if (MOD_PUKI_WIKI_VER == '1.3') {
            $page = PukiWikiFunc::add_bracket(PukiWikiFunc::strip_bracket($page));
        }
        $file = MOD_PUKI_WIKI_UPLOAD_DIR . PukiWikiFunc::encode($page) . '_' . PukiWikiFunc::encode($name);
        if (!is_file($file)) {
            if (!PukiWikiFunc::is_page($page)) {
                $rets['_error'] = 'page not found.';
                return $rets;
            } else {
                $rets['_error'] = 'not found.';
                return $rets;
            }
        }
        $l_url = MOD_PUKI_WIKI_URL . '?plugin=attach&openfile=' . rawurlencode($name) . '&refer=' . rawurlencode($page);
        $fsize = sprintf('%01.1f', round(filesize($file) / 1000, 1)) . 'KB';
        $is_picture = is_picture($file, $page);
        $is_flash = $is_picture ? false : plugin_ref_is_flash($file);
        if ($is_picture) {
            $url = $file;
            $size = getimagesize($file);
            $org_w = $size[0];
            $org_h = $size[1];
        } else {
            $lastmod = date('Y/m/d H:i:s', filemtime($file));
            $info = "{$lastmod} {$fsize}";
        }
    }
    //タイトルを決定
    if (!isset($title) or $title == '') {
        $title = $ext;
    }
    $title = htmlspecialchars($title);
    // ファイル種別判定
    if (!isset($is_picture)) {
        $is_picture = is_picture($url);
    }
    if (!isset($is_flash)) {
        $is_flash = plugin_ref_is_flash($url);
    }
    if ($is_picture) {
        // 画像
        $info = "";
        $width = $height = 0;
        //URLの場合キャッシュ判定
        if (PukiWikiFunc::is_url($url)) {
            $parse = parse_url($url);
            $name = $parse['host'] . "_" . basename($parse['path']);
            $filename = PukiWikiFunc::encode($name);
            if (!$params['nocache']) {
                //キャッシュする
                $size = plugin_ref_cache_image_fetch($filename, &$url);
                $fsize = sprintf('%01.1f', round(filesize(MOD_PUKI_UPLOAD_DIR . $filename) / 1000, 1)) . 'KB';
                $l_url = $url;
            } else {
                //キャッシュしない
                $size = @getimagesize($url);
                $l_url = $url;
                $fsize = '?KB';
            }
            $org_w = $size[0];
            $org_h = $size[1];
        }
        foreach ($params['_args'] as $arg) {
            if (preg_match("/^(m)?w:([0-9]+)\$/i", $arg, $m)) {
                $params['_size'] = TRUE;
                $params['_w'] = $m[2];
                $max_flg = $m[1];
            }
            if (preg_match("/^(m)?h:([0-9]+)\$/i", $arg, $m)) {
                $params['_size'] = TRUE;
                $params['_h'] = $m[2];
                $max_flg = $m[1];
            }
            if (preg_match("/^([0-9.]+)%\$/i", $arg, $m)) {
                $params['_%'] = $m[1];
            }
            if (preg_match("/^t:(.*)\$/i", $arg, $m)) {
                $m[1] = htmlspecialchars(str_replace(""", "", $m[1]));
                if ($m[1]) {
                    $title = $m[1] . "
" . $title;
                }
            }
        }
        // 指定されたサイズを使用する
        if ($params['_size']) {
            if ($params['_w'] > 0 && $params['_h'] > 0 && !$max_flg) {
                $width = $params['_w'];
                $height = $params['_h'];
            } else {
                $_w = $params['_w'] ? $org_w / $params['_w'] : 0;
                $_h = $params['_h'] ? $org_h / $params['_h'] : 0;
                $zoom = max($_w, $_h);
                if ($zoom) {
                    if (!$max_flg || $zoom >= 1 && $max_flg) {
                        $width = floor($org_w / $zoom);
                        $height = floor($org_h / $zoom);
                    }
                }
            }
        }
        if ($params['_%']) {
            $width = floor($org_w * $params['_%'] / 100);
            $height = floor($org_h * $params['_%'] / 100);
        }
        if ($org_w && $width && $org_h && $height) {
            $zoom = floor(max($width / $org_w, $height / $org_h) * 100);
        }
        $title .= "
SIZE:{$org_w}x{$org_h}({$fsize})";
        // &を変換
        $title = str_replace("&", "&", $title);
        //IE以外は改行文字をスペースに変換
        if (!strstr($_SERVER["HTTP_USER_AGENT"], "MSIE")) {
            $title = str_replace("
", " ", $title);
        }
        if ($width && $height) {
            $s_file_base = PukiWikiFunc::encode($zoom . "%" . $name);
            $s_file = MOD_PUKI_UPLOAD_DIR . $s_file_base;
            if (!file_exists($s_file) && $zoom < 90 && !$params['nocache']) {
                //サムネイル作成
                $url = plugin_ref_make_thumb($url, $s_file_base, $width, $height, $org_w, $org_h);
            } else {
                if (file_exists($s_file)) {
                    //サムネイルがあればサムネイルを参照
                    $url = MOD_PUKI_UPLOAD_URL . $s_file_base;
                }
            }
            $info = "width=\"{$width}\" height=\"{$height}\" ";
            $ret .= "<a href=\"{$l_url}\" title=\"{$title}\"><img src=\"{$url}\" alt=\"{$title}\" title=\"{$title}\" {$info}/></a>";
        } else {
            if ($org_w and $org_h) {
                $info = "width=\"{$org_w}\" height=\"{$org_h}\" ";
            }
            if (!$params['nocache']) {
                $ret .= "<img src=\"{$url}\" alt=\"{$title}\" title=\"{$title}\" {$info}/>";
            } else {
                $ret .= "<img src=\"{$url}\" alt=\"{$title}\" title=\"{$title}\" {$info}/>";
            }
        }
    } else {
        if ($is_flash) {
            //	Flashファイル
            //初期化
            $params['_qp'] = $params['_q'] = $params['_pp'] = $params['_p'] = $params['_lp'] = $params['_l'] = $params['_w'] = $params['_h'] = $params['_a'] = $params['_bp'] = $params['_b'] = $params['_scp'] = $params['_sc'] = $params['_sap'] = $params['_sa'] = $params['_mp'] = $params['_m'] = $params['_wmp'] = "";
            foreach ($params['_args'] as $arg) {
                if (preg_match("/^q(?:uality)?:((auto)?(high|low|best|medium))\$/i", $arg, $m)) {
                    $params['_qp'] = "<param name=\"quality\" value=\"{$m[1]}\">";
                    $params['_q'] = " quality=\"{$m[1]}\"";
                }
                if (preg_match("/^p(?:lay)?:(true|false)\$/i", $arg, $m)) {
                    $params['_pp'] = "<param name=\"play\" value=\"{$m[1]}\">";
                    $params['_p'] = " play=\"{$m[1]}\"";
                }
                if (preg_match("/^l(?:oop)?:(true|false)\$/i", $arg, $m)) {
                    $params['_lp'] = "<param name=\"loop\" value=\"{$m[1]}\">";
                    $params['_l'] = " loop=\"{$m[1]}\"";
                }
                if (preg_match("/^w(?:idth)?:([0-9]+)\$/i", $arg, $m)) {
                    $params['_w'] = " width=" . $m[1];
                }
                if (preg_match("/^h(?:eight)?:([0-9]+)\$/i", $arg, $m)) {
                    $params['_h'] = " height=" . $m[1];
                }
                if (preg_match("/^a(?:lign)?:(l|r|t|b)\$/i", $arg, $m)) {
                    $params['_a'] = " align=\"{$m[1]}\"";
                }
                if (preg_match("/^b(?:gcolor)?:#?([abcdef\\d]{6,6})\$/i", $arg, $m)) {
                    $params['_bp'] = "<param name=\"bgcolor\" value=\"{$m[1]}\">";
                    $params['_b'] = " bgcolor=\"#{$m[1]}\"";
                }
                if (preg_match("/^sc(?:ale)?:(showall|noborder|exactfit|noscale)\$/i", $arg, $m)) {
                    $params['_scp'] = "<param name=\"scale\" value=\"{$m[1]}\">";
                    $params['_sc'] = " scale=\"{$m[1]}\"";
                }
                if (preg_match("/^sa(?:lign)?:(l|r|t|b|tl|tr|bl|br)\$/i", $arg, $m)) {
                    $params['_sap'] = "<param name=\"salign\" value=\"{$m[1]}\">";
                    $params['_sa'] = " salign=\"{$m[1]}\"";
                }
                if (preg_match("/^m(?:enu)?:(true|false)\$/i", $arg, $m)) {
                    $params['_mp'] = "<param name=\"menu\" value=\"{$m[1]}\">";
                    $params['_m'] = " menu=\"{$m[1]}\"";
                }
                if (preg_match("/^wm(?:ode)?:(window|opaque|transparent)\$/i", $arg, $m)) {
                    $params['_wmp'] = "<param name=\"wmode\" value=\"{$m[1]}\">";
                }
            }
            $ret .= <<<_HTML_
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,79,0"{$params['_w']}{$params['_h']}{$params['_a']}>
<param name="movie" value="{$file}">
{$params['_qp']}{$params['_lp']}{$params['_pp']}{$params['_scp']}{$params['_sap']}{$params['_mp']}{$params['_wmp']}
<embed src="{$file}" pluginspage="http://www.macromedia.com/jp/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash"{$params['_w']}{$params['_h']}{$params['_a']}{$params['_p']}{$params['_l']}{$params['_q']}{$params['_b']}{$params['_sc']}{$params['_sa']}{$params['_m']}>
</embed>
</object>
_HTML_;
        } else {
            // 通常ファイル
            foreach ($params['_args'] as $arg) {
                if (preg_match("/^t:(.*)\$/i", $arg, $m)) {
                    $m[1] = htmlspecialchars(str_replace("&amp;quot;", "", $m[1]));
                    if ($m[1]) {
                        $info = $m[1] . "&#13;&#10;" . $info;
                    }
                }
            }
            // &amp;を変換
            $info = str_replace("&amp;", "&", $info);
            //IE以外は改行文字をスペースに変換
            if (!strstr($_SERVER["HTTP_USER_AGENT"], "MSIE")) {
                $info = str_replace("&#13;&#10;", " ", $info);
            }
            $ret .= "<a href=\"{$l_url}\" title=\"{$info}\">{$icon}{$title}</a>";
        }
    }
    $rets['_body'] = $ret;
    return $rets;
}