Given a list of files, grab their contents and glue it into one big string.
Paramètres
array $files: Array of filenames.
array $aggregate_settings: Array of settings.
string $aggregate_filename: Filename of the aggregeate.
Return value
string String containing all the files.
2 calls to advagg_get_css_aggregate_contents()
- advagg_generate_filesize_processed dans ./
advagg.inc - Given a filename calculate the processed filesize.
- advagg_save_aggregate dans ./
advagg.missing.inc - Save an aggregate given a filename, the files included in it, and the type.
Fichier
-
./
advagg.missing.inc, line 785
Code
function advagg_get_css_aggregate_contents(array $files, array $aggregate_settings, $aggregate_filename = '') {
$write_aggregate = TRUE;
// Check if CSS compression is enabled.
$optimize = TRUE;
if (!empty($aggregate_settings['settings']['no_alters'])) {
$optimize = FALSE;
}
if (variable_get('advagg_cache_level', ADVAGG_CACHE_LEVEL) < 0) {
$optimize = FALSE;
}
module_load_include('inc', 'advagg', 'advagg');
$info_on_files = advagg_load_files_info_into_static_cache(array_keys($files));
$data = '';
if (!empty($files)) {
$media_changes = FALSE;
$last_media = NULL;
foreach ($files as $settings) {
if (!isset($settings['media'])) {
continue;
}
if (is_null($last_media)) {
$last_media = $settings['media'];
continue;
}
if ($settings['media'] !== $last_media) {
$media_changes = TRUE;
break;
}
}
if ($media_changes) {
$global_file_media = 'all';
}
else {
$global_file_media = $last_media;
}
// https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Media_queries
$media_types = array(
'all',
'aural',
'braille',
'handheld',
'print',
'projection',
'screen',
'tty',
'tv',
'embossed',
);
$import_statements = array();
module_load_include('inc', 'advagg', 'advagg');
$original_settings = array(
$optimize,
$aggregate_settings,
);
foreach ($files as $file => $settings) {
$media_changes = FALSE;
if (!isset($settings['media'])) {
$settings['media'] = '';
}
if ($settings['media'] !== $global_file_media) {
$media_changes = TRUE;
}
list($optimize, $aggregate_settings) = $original_settings;
// Allow other modules to modify aggregate_settings optimize.
// Call hook_advagg_get_css_file_contents_pre_alter().
if (empty($aggregate_settings['settings']['no_alters'])) {
drupal_alter('advagg_get_css_file_contents_pre', $file, $optimize, $aggregate_settings);
}
if (is_readable($file)) {
// Get the files contents.
$file_contents = (string) @advagg_file_get_contents($file);
// Get a hash of the file's contents.
$file_contents_hash = drupal_hash_base64($file_contents);
$cid = 'advagg:file:' . advagg_drupal_hash_base64($file);
if (empty($info_on_files[$cid]['content_hash'])) {
// If hash was not in the cache, get it from the DB.
$results = db_select('advagg_files', 'af')->fields('af', array(
'content_hash',
'filename_hash',
))
->condition('filename', $file)
->execute();
foreach ($results as $row) {
$info_on_files['advagg:file:' . $row->filename_hash]['content_hash'] = $row->content_hash;
}
}
if (isset($info_on_files[$cid]) == FALSE || $info_on_files[$cid]['content_hash'] !== $file_contents_hash) {
// If the content hash doesn't match don't write the file.
$write_aggregate = advagg_missing_file_not_readable($file, $aggregate_filename, FALSE);
}
$contents = advagg_load_css_stylesheet($file, $optimize, $aggregate_settings, $file_contents);
}
else {
// File is not readable.
$write_aggregate = advagg_missing_file_not_readable($file, $aggregate_filename, TRUE);
}
// Allow other modules to modify this files contents.
// Call hook_advagg_get_css_file_contents_alter().
if (empty($aggregate_settings['settings']['no_alters'])) {
drupal_alter('advagg_get_css_file_contents', $contents, $file, $aggregate_settings);
}
if ($media_changes) {
$media_blocks = advagg_parse_media_blocks($contents);
$contents = '';
$file_has_type = FALSE;
if (!empty($settings['media'])) {
foreach ($media_types as $media_type) {
if (stripos($settings['media'], $media_type) !== FALSE) {
$file_has_type = TRUE;
break;
}
}
}
foreach ($media_blocks as $css_rules) {
if (strpos($css_rules, '@media') !== FALSE) {
// Get start and end of the rules for this media query block.
$start = strpos($css_rules, '{');
if ($start === FALSE) {
continue;
}
$end = strrpos($css_rules, '}');
if ($end === FALSE) {
continue;
}
// Get current media queries for this media block.
$media_rules = substr($css_rules, 6, $start - 6);
// Get everything else besides top level media query.
$css_selectors_rules = substr($css_rules, $start + 1, $end - ($start + 1));
// Add in main media rule if needed.
if (!empty($settings['media']) && strpos($media_rules, $settings['media']) === FALSE && $settings['media'] !== $global_file_media) {
$rule_has_type = FALSE;
if ($file_has_type) {
foreach ($media_types as $media_type) {
if (stripos($media_rules, $media_type) !== FALSE) {
$rule_has_type = TRUE;
break;
}
}
}
if (!$rule_has_type) {
$media_rules = $settings['media'] . ' and ' . $media_rules;
}
}
}
else {
$media_rules = $settings['media'];
$css_selectors_rules = $css_rules;
}
$media_rules = trim($media_rules);
// Pul all @font-face defentions inside the @media declaration above.
$font_face_string = '';
$font_blocks = advagg_parse_media_blocks($css_selectors_rules, '@font-face');
$css_selectors_rules = '';
foreach ($font_blocks as $rules) {
if (strpos($rules, '@font-face') !== FALSE) {
$font_face_string .= "\n {$rules}";
}
else {
$css_selectors_rules .= $rules;
}
}
$css_selectors_rules = str_replace("\n", "\n ", $css_selectors_rules);
$font_face_string = str_replace("\n", "\n ", $font_face_string);
// Wrap css in dedicated media query if it differs from the global
// media query and there actually are media rules.
if (!empty($media_rules) && $media_rules !== $global_file_media) {
$output = "{$font_face_string} \n@media {$media_rules} {\n {$css_selectors_rules} \n}";
}
else {
$output = "{$font_face_string} \n {$css_selectors_rules}";
}
$contents .= trim($output);
}
}
// Per the W3C specification at
// http://www.w3.org/TR/REC-CSS2/cascade.html#at-import, @import rules
// must proceed any other style, so we move those to the top.
$regexp = '/@import[^;]+;/i';
preg_match_all($regexp, $contents, $matches);
$contents = preg_replace($regexp, '', $contents);
// Add the import statements with the media query of the current file.
$import_media = isset($settings['media']) ? $settings['media'] : '';
$import_media = trim($import_media);
$import_statements[] = array(
$import_media,
$matches[0],
);
// Close any open comment blocks.
$contents .= "\n/*})'\"*/\n";
if (variable_get('advagg_cache_level', ADVAGG_CACHE_LEVEL) < 0) {
$contents .= "\n/* Above code came from {$file} */\n\n";
}
$data .= $contents;
}
// Add import statements to the top of the stylesheet.
$import_string = '';
foreach ($import_statements as $values) {
if ($media_changes) {
foreach ($values[1] as $statement) {
$import_string .= str_replace(';', $values[0] . ';', $statement);
}
}
else {
$import_string .= implode('', $values[1]);
}
}
$data = $import_string . $data;
}
// Allow other modules to modify this aggregates contents.
// Call hook_advagg_get_css_aggregate_contents_alter().
if (empty($aggregate_settings['settings']['no_alters'])) {
drupal_alter('advagg_get_css_aggregate_contents', $data, $files, $aggregate_settings);
}
return array(
$data,
$write_aggregate,
);
}