/**
* Combine the files in $files into a combine.php request
* If $page->head_force_inline is true, resources will be included inline in the document
*
* @param array $files Array of files relative to $dataDir
* @param string $type The type of resource being combined
*
*/
static function CombineFiles($files, $type, $combine)
{
global $page;
//only need file paths
foreach ($files as $key => $script) {
if (is_array($script)) {
$files[$key] = $script['file'];
}
}
$files = array_unique($files);
$files = array_filter($files);
//remove empty elements
// Force resources to be included inline
// CheckFile will fix the $file path if needed
if ($page->head_force_inline) {
if ($type == 'css') {
echo '<style type="text/css">';
} else {
echo '<script type="text/javascript">';
}
foreach ($files as $file_key => $file) {
$full_path = gp_combine::CheckFile($file);
if (!$full_path) {
continue;
}
readfile($full_path);
echo ";\n";
}
if ($type == 'css') {
echo '</style>';
} else {
echo '</script>';
}
return;
}
//files not combined except for script components
if (!$combine || isset($_REQUEST['no_combine']) && common::LoggedIn()) {
foreach ($files as $file_key => $file) {
$html = "\n" . '<script type="text/javascript" src="%s"></script>';
if (strpos($file, '.less') !== false) {
$html = "\n" . '<link type="text/css" href="%s" rel="stylesheet/less" />';
} elseif ($type == 'css') {
$html = "\n" . '<link type="text/css" href="%s" rel="stylesheet"/>';
}
gp_combine::CheckFile($file);
if (common::LoggedIn()) {
$file .= '?v=' . rawurlencode(gpversion);
}
echo sprintf($html, common::GetDir($file, true));
}
return;
}
$html = "\n" . '<script type="text/javascript" src="%s"></script>';
if ($type == 'css') {
$html = "\n" . '<link rel="stylesheet" type="text/css" href="%s"/>';
}
//create combine request
$combined_file = gp_combine::GenerateFile($files, $type);
echo sprintf($html, common::GetDir($combined_file, true));
}
/**
* Combine the files in $files into a combine.php request
* If $page->head_force_inline is true, resources will be included inline in the document
*
* @param array $files Array of files relative to $dataDir
* @param string $type The type of resource being combined
* @param string $theme_stylesheet The current theme identifier
*
*/
function CombineFiles($files, $type, $combine, $theme_stylesheet = false)
{
global $page;
includeFile('combine.php');
$html = "\n" . '<script type="text/javascript" src="%s" %s></script>';
if ($type == 'css') {
$html = "\n" . '<link rel="stylesheet" type="text/css" href="%s" %s/>';
}
//option to prevent combining files for debugging
if (isset($_GET['no_combine']) && common::LoggedIn()) {
$combine = false;
}
$files = array_unique($files);
$combine_request = array();
foreach ($files as $file) {
$id = $file == $theme_stylesheet ? 'id="theme_stylesheet"' : '';
// Force resources to be included inline
// CheckFile will fix the $file path if needed
if ($page->head_force_inline) {
$full_path = gp_combine::CheckFile($file, false);
if (!$full_path) {
continue;
}
echo "\n";
if ($type == 'css') {
echo '<style type="text/css">';
readfile($full_path);
echo '</style>';
} else {
echo '<script type="text/javascript">/* <![CDATA[ */';
readfile($full_path);
echo '/* ]]> */</script>';
}
continue;
}
// Combine multiple resources into one
// CheckFile will be
if ($combine) {
$combine_request[] = $type . '%5B%5D=' . rawurlencode($file);
continue;
}
// Include resources individually
// CheckFile will fix the $file path if needed
gp_combine::CheckFile($file, false);
echo sprintf($html, common::GetDir($file, true), $id);
}
if (count($combine_request) == 0) {
return;
}
$id = $type == 'css' ? 'id="theme_stylesheet"' : '';
$combine_request[] = 'etag=' . gp_combine::GenerateEtag($files);
$combine_request = implode('&', $combine_request);
//message('<a href="'.common::GetDir($combine_request).'">combined files: '.$type.'</a>');
echo sprintf($html, common::GetDir('/include/combine.php', true) . '?' . $combine_request, $id);
}
/**
* Generate a file with all of the combined content
*
*/
static function GenerateFile($files, $type)
{
global $dataDir;
//get etag
$modified = $content_length = 0;
$full_paths = array();
foreach ($files as $file) {
$full_path = gp_combine::CheckFile($file);
if ($full_path === false) {
continue;
}
gp_combine::FileStat_Static($full_path, $modified, $content_length);
$full_paths[$file] = $full_path;
}
//check css imports
if ($type == 'css') {
$had_imported = false;
$import_data = array();
$imported_file = $dataDir . '/data/_cache/import_info.php';
if (file_exists($imported_file)) {
include_once $imported_file;
}
foreach ($full_paths as $file => $full_path) {
if (!isset($import_data[$full_path])) {
continue;
}
$had_imported = true;
foreach ($import_data[$full_path] as $imported_full) {
gp_combine::FileStat_Static($imported_full, $modified, $content_length);
}
unset($import_data[$full_path]);
}
}
//check to see if file exists
$etag = common::GenEtag(json_encode($files), $modified, $content_length);
$cache_relative = '/data/_cache/combined_' . $etag . '.' . $type;
$cache_file = $dataDir . $cache_relative;
if (file_exists($cache_file)) {
// change modified time to extend cache
if (time() - filemtime($cache_file) > 604800) {
touch($cache_file);
}
return $cache_relative;
}
//create file
if ($type == 'js') {
ob_start();
common::jsStart();
foreach ($full_paths as $full_path) {
readfile($full_path);
echo ";\n";
}
$combined_content = ob_get_clean();
} else {
$imports = $combined_content = '';
$new_imported = array();
foreach ($full_paths as $file => $full_path) {
$temp = new gp_combine_css($file);
$combined_content .= "\n/* " . $file . " */\n";
$combined_content .= $temp->content;
$imports .= $temp->imports;
if (count($temp->imported)) {
$new_imported[$full_path] = $temp->imported;
}
}
$combined_content = $imports . $combined_content;
//save imported data
if (count($new_imported) || $had_imported) {
if (count($new_imported)) {
$import_data = $new_imported + $import_data;
}
gpFiles::SaveData($imported_file, 'import_data', $import_data);
}
}
if (!gpFiles::Save($cache_file, $combined_content)) {
return false;
}
includeFile('admin/admin_tools.php');
admin_tools::CleanCache();
return $cache_relative;
}
function CacheInfo($file)
{
global $dataDir;
$full_path = gp_combine::CheckFile($file);
if ($full_path === false) {
return false;
}
if (!isset($this->css_data[$file])) {
return $this->CacheCSS($file);
}
$cache_info = $this->css_data[$file];
$cache_file = $dataDir . '/data/_cache/' . $cache_info['min'];
if (!file_exists($cache_file)) {
return $this->CacheCSS($file);
}
//check size and mod time
$orig_mod = filemtime($full_path);
$orig_len = filesize($full_path);
if ($cache_info['mod'] != $orig_mod || $cache_info['len'] != $orig_len) {
return $this->CacheCSS($file);
}
return $cache_info;
}
