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Merge pull request #52 from kasparsd/feature/restructure-abstract
Implement abstract
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,228 @@ | ||
| <?php | ||
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| abstract class Minit_Assets { | ||
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| public $queue = array(); | ||
| public $done = array(); | ||
| public $handler; | ||
| public $extension; | ||
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| function __construct( $handler, $extension = null ) { | ||
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| $this->handler = $handler; | ||
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| if ( ! empty( $extension ) ) | ||
| $this->extension = $extension; | ||
| else | ||
| $this->extension = get_class( $handler ); | ||
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| } | ||
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| abstract function init(); | ||
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| function register( $todo ) { | ||
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| if ( empty( $todo ) ) | ||
| return $todo; | ||
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| // Allow files to be excluded from Minit | ||
| $minit_exclude = apply_filters( 'minit-exclude-' . $this->extension, array() ); | ||
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| if ( ! is_array( $minit_exclude ) ) | ||
| $minit_exclude = array(); | ||
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| $minit_todo = array_diff( $todo, $minit_exclude ); | ||
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| if ( empty( $minit_todo ) ) | ||
| return $todo; | ||
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| foreach ( $minit_todo as $handle ) | ||
| if ( ! in_array( $handle, $this->queue ) ) | ||
| $this->queue[] = $handle; | ||
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| // Mark these as done since we'll take care of them | ||
| $this->handler->done = array_merge( $this->handler->done, $this->queue ); | ||
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| return $todo; | ||
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| } | ||
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| function minit() { | ||
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| $done = array(); | ||
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| if ( empty( $this->queue ) ) | ||
| return false; | ||
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| // Build a cache key | ||
| $ver = array( | ||
| 'is_ssl-' . is_ssl(), // Use different cache key for SSL and non-SSL | ||
| 'minit_cache_ver-' . get_option( 'minit_cache_ver' ), // Use a global cache version key to purge cache | ||
| ); | ||
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| // Include individual scripts versions in the cache key | ||
| foreach ( $this->queue as $handle ) | ||
| $ver[] = sprintf( '%s-%s', $handle, $this->handler->registered[ $handle ]->ver ); | ||
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| $cache_ver = md5( 'minit-' . implode( '-', $ver ) ); | ||
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| // Try to get queue from cache | ||
| //$cache = get_transient( 'minit-' . $cache_ver ); | ||
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| if ( ! empty( $cache ) && isset( $cache['url'] ) ) { | ||
| $this->mark_done( $cache['done'] ); | ||
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| return $cache['url']; | ||
| } | ||
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| foreach ( $this->queue as $handle ) { | ||
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| // Ignore pseudo packages such as jquery which return src as empty string | ||
| if ( empty( $this->handler->registered[ $handle ]->src ) ) | ||
| $done[ $handle ] = null; | ||
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| // Get the relative URL of the asset | ||
| $src = $this->get_asset_relative_path( $handle ); | ||
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| // Skip if the file is not hosted locally | ||
| if ( empty( $src ) || ! file_exists( ABSPATH . $src ) ) | ||
| continue; | ||
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| $item = $this->minit_item( file_get_contents( ABSPATH . $src ), $handle, $src ); | ||
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| $item = apply_filters( | ||
| 'minit-item-' . $this->extension, | ||
| $item, | ||
| $this->handler, | ||
| $handle | ||
| ); | ||
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| if ( false !== $item ) | ||
| $done[ $handle ] = $item; | ||
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| } | ||
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| if ( empty( $done ) ) | ||
| return false; | ||
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| $this->mark_done( array_keys( $done ) ); | ||
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| $wp_upload_dir = wp_upload_dir(); | ||
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| // Try to create the folder for cache | ||
| if ( ! is_dir( $wp_upload_dir['basedir'] . '/minit' ) ) | ||
| if ( ! mkdir( $wp_upload_dir['basedir'] . '/minit' ) ) | ||
| return false; | ||
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| $combined_file_path = sprintf( '%s/minit/%s.%s', $wp_upload_dir['basedir'], $cache_ver, $this->extension ); | ||
| $combined_file_url = sprintf( '%s/minit/%s.%s', $wp_upload_dir['baseurl'], $cache_ver, $this->extension ); | ||
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| // Allow other plugins to do something with the resulting URL | ||
| $combined_file_url = apply_filters( 'minit-url-' . $this->extension, $combined_file_url, $done ); | ||
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| // Allow other plugins to minify and obfuscate | ||
| $done_imploded = apply_filters( 'minit-content-' . $this->extension, implode( "\n\n", $done ), $done ); | ||
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| // Store the combined file on the filesystem | ||
| if ( ! file_exists( $combined_file_path ) ) | ||
| if ( ! file_put_contents( $combined_file_path, $done_imploded ) ) | ||
| return false; | ||
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| // Cache this set of scripts, by default for 24 hours | ||
| $cache_ttl = apply_filters( 'minit-cache-expiration', 24 * 60 * 60 ); | ||
| $cache_ttl = apply_filters( 'minit-cache-expiration-' . $this->extension, $cache_ttl ); | ||
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| $result = array( | ||
| 'done' => array_keys( $done ), | ||
| 'url' => $combined_file_url, | ||
| 'file' => $combined_file_path, | ||
| ); | ||
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| set_transient( 'minit-' . $cache_ver, $result, $cache_ttl ); | ||
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| return $combined_file_url; | ||
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| } | ||
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| abstract function process( $todo ); | ||
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| function minit_item( $source, $handle, $src ) { | ||
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| return $source; | ||
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| } | ||
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| protected function mark_done( $handles ) { | ||
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| // Remove processed items from the queue | ||
| $this->queue = array_diff( $this->queue, $handles ); | ||
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| // Mark them as processed by Minit | ||
| $this->done = array_merge( $this->done, $handles ); | ||
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| } | ||
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| protected function get_asset_relative_path( $handle ) { | ||
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| if ( ! isset( $this->handler->registered[ $handle ] ) ) | ||
| return false; | ||
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| $item_url = $this->handler->registered[ $handle ]->src; | ||
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| if ( empty( $item_url ) ) | ||
| return false; | ||
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| // Remove protocol reference from the local base URL | ||
| $base_url = preg_replace( '/^(https?:)/i', '', $this->handler->base_url ); | ||
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| // Check if this is a local asset which we can include | ||
| $src_parts = explode( $base_url, $item_url ); | ||
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| if ( empty( $src_parts ) ) | ||
| return false; | ||
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| // Get the trailing part of the local URL | ||
| $maybe_relative = array_pop( $src_parts ); | ||
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| if ( file_exists( ABSPATH . $maybe_relative ) ) | ||
| return $maybe_relative; | ||
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| return false; | ||
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| } | ||
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| public static function cache_bump() { | ||
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| // Use this as a global cache version number | ||
| update_option( 'minit_cache_ver', time() ); | ||
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| // Allow other plugins to know that we purged | ||
| do_action( 'minit-cache-purged' ); | ||
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| } | ||
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| public static function cache_delete() { | ||
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| $wp_upload_dir = wp_upload_dir(); | ||
| $minit_files = glob( $wp_upload_dir['basedir'] . '/minit/*' ); | ||
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| if ( $minit_files ) { | ||
| foreach ( $minit_files as $minit_file ) { | ||
| unlink( $minit_file ); | ||
| } | ||
| } | ||
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| } | ||
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| } |
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