' . "\n");
define('PLUGIN_IMG_CLEAR', '' . "\n"); // Stop word-wrapping
if (defined('PKWK_DISABLE_INLINE_IMAGE_FROM_URI') && PKWK_DISABLE_INLINE_IMAGE_FROM_URI) {
define('PLUGIN_IMG_SHOW_IMAGE', 0); // 1: Show image, 0: Don't show image
} else {
define('PLUGIN_IMG_SHOW_IMAGE', 1); // 1: Show image, 0: Don't show image
}
function plugin_img_get_style($args)
{
$style = '';
for ($i = 1; $i <= 3; $i++) {
if (isset($args[$i])) {
$arg = $args[$i];
$m = null;
if (preg_match('#^(\d+)x(\d+)$#', $arg, $m)) {
$style = 'max-width:' . $m[1] . 'px;max-height:' . $m[2] . 'px;';
break;
} else if (preg_match('#^(\d+)px$#', $arg, $m)) {
$style = 'max-width:' . $m[1] . 'px;max-height:' . $m[1] . 'px;';
break;
} else if (preg_match('#^(\d+)%$#', $arg, $m)) {
// Note: zoom is not standard. Recommend using MAXpx or WIDTHxHEIGHT
$style = 'zoom:' . $m[1] . '%;';
break;
}
}
}
return $style;
}
/**
* Determine link or not.
*/
function plugin_img_get_islink($args)
{
for ($i = 1; $i <= 4; $i++) {
if (isset($args[$i])) {
if ($args[$i] === 'nolink') {
return false;
}
}
}
return true;
}
/**
* @param[in] $args func_get_args() of xxx_inline() and xxx_convert()
* @return array(url, is_url, file_path, page, style, a_begin, a_end)
*/
function plugin_img_get_props($args)
{
global $vars;
$is_file = false;
$is_url = false;
$file_path = isset($args[0]) ? $args[0] : '';
$page = isset($vars['page']) ? $vars['page'] : '';
if (is_url($file_path)) {
$url = $file_path;
$is_url = true;
} else if (isset($file_path)) {
// $file_path s not an URL. It should be attached-file path
$matches = null;
if (preg_match('#^(.+)/([^/]+)$#', $file_path, $matches)) {
// (Page_name/maybe-separated-with/slashes/ATTACHED_FILENAME)
if ($matches[1] == '.' || $matches[1] == '..') {
$matches[1] .= '/'; // Restore relative paths
}
$attach_name = $matches[2];
$attach_page = get_fullname($matches[1], $page);
} else {
// Simple single argument
$attach_name = $file_path;
$attach_page = $page;
}
$file = UPLOAD_DIR . encode($attach_page) . '_' . encode($attach_name);
$is_file = is_file($file);
if ($is_file) {
$url = get_base_uri() . '?plugin=attach' .
'&refer=' . rawurlencode($attach_page) .
'&openfile=' . rawurlencode($attach_name);
$is_url = true;
}
}
$h_url = htmlsc($url);
$style = plugin_img_get_style($args);
$a_begin = '';
$a_end = '';
if (plugin_img_get_islink($args)) {
$a_begin = "";
$a_end = '';
}
return (object)array('url' => $url, 'is_url' => $is_url,
'file_path' => $file_path, 'is_file' => $is_file,
'style' => $style,
'a_begin' => $a_begin, 'a_end' => $a_end,);
}
function plugin_img_inline()
{
$args = func_get_args();
$p = plugin_img_get_props($args);
if (!PLUGIN_IMG_SHOW_IMAGE) {
if ($p->is_url) {
$h_url = htmlsc($p->url);
$title = '&img(): PLUGIN_IMG_SHOW_IMAGE prohibits this';
return "$h_url";
}
return '&img(): File not found: ' . htmlsc($p->file_path) . "\n";
}
if ($p->is_url) {
$h_url = htmlsc($p->url);
$style = $p->style;
$a_begin = $p->a_begin;
$a_end = $p->a_end;
return <<$a_end
EOD;
}
return '&img(): File not found: ' . htmlsc($p->file_path) . "\n";
}
function plugin_img_convert()
{
$args = func_get_args();
$p = plugin_img_get_props($args);
// Check the 2nd argument first, for compatibility
$arg = isset($args[1]) ? strtoupper($args[1]) : '';
if ($a->file_path === '' && $arg == 'CLEAR') {
// Stop word-wrapping only (Ugly but compatible)
// Short usage: #img(,clear)
return PLUGIN_IMG_CLEAR;
}
if ($arg === '' || $arg === 'L' || $arg === 'LEFT') {
$align = 'left';
} else if ($arg === 'R' || $arg === 'RIGHT') {
$align = 'right';
}
$arg2 = isset($args[2]) ? strtoupper($args[2]) : '';
$clear = ($arg2 === 'C' || $arg2 === 'CLEAR') ? PLUGIN_IMG_CLEAR : '';
if (!PLUGIN_IMG_SHOW_IMAGE) {
if ($p->is_url) {
$h_url = htmlsc($p->url);
$title = '#img(): PLUGIN_IMG_SHOW_IMAGE prohibits this';
return "";
}
return '#img(): File not found: ' . htmlsc($p->file_path) . "\n";
}
if ($p->is_url) {
$h_url = htmlsc($p->url);
$style = $p->style;
$a_begin = $p->a_begin;
$a_end = $p->a_end;
return <<
$a_begin
$a_end
$clear
EOD;
}
return '#img(): File not found: ' . htmlsc($p->file_path) . "\n";
}