Your IP : 216.73.217.143
<?php
/**
* Handles API calls to BitBucket
*
* @since 2.5.4
*
* @package LearnDash
*
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ! class_exists( 'LearnDash_BitBucket_API' ) ) {
class LearnDash_BitBucket_API {
// Production
private $bb_OAuth = null;
private $ld_addons_dir = null;
private $bb_OAuth_sets = array(
'fUEfEERS8FdprEzNMX' => 'gnBPjny5yummKe6zGv5MMCa5w9tDGstT', // ld_updates
'32uKmTweF7WGUgXC2H' => 'qmUveCQvaZXD9LmAE8GFAd6a6H5SMk6U', // ld_updates2
'P2xXBphWPZP8Cbr8Rw' => 'qFvD9zrt9RVVpEJ6j2jEWjZJEgvhpzPZ', // ld_updates3
'8tvevj3YQQnyFJE5a2' => 'C5BuSGZBanNbmaEE7hjeQEnmPLwma3JE', // ld_updates4
'2LdbzTV4u5UhfTPS8t' => 'Y5eMpRVnFAWkvb3dmZuq64jTzNU9x93c', // ld_updates5
'jYyJyBctJ6wkxVVk7h' => 'NeKUN87Npyu8tGwN4eLCh5ZFjjazdu4e', // ld_updates6
'bn6Phmn3jVyQ2NfdPa' => 'Ct7MbLpuCyr56s8qvy6Eh7VteBEGshDp', // ld_updates7
'bTtudTumX8jQ56aJxc' => 'czwT3Cr75sBDTkDzGzwExwDhHcH6wVbL', // ld_updates8
'uAPE6cvgWjbHdEYpJg' => 'butXFuD3QNbX3uXrwf49J8vvDNMsPbpA', // ld_updates9
'P6xDsLKNTxGdSfUpnC' => 'XFk6PVJCu5bHmcJB7WN3v5afzEsyqAxL', // ld_updates10
'YUKnZucTb2pJchuDZS' => 'W6n5vBVz4vsvF4GQ7xu4zKA2JkA2DVHm', // ld_updates11
'YFfyNFaLKtU6cMm9c4' => 'WAnwBKqsj4r2YMU2zMVYSLwqDCt8hc4s', // ld_updates12
'asHX3Me2k68jf4ALms' => 'EMR6rEtFv8HKfqKhrzkwmYK6knkGTsq6', // ld_updates13
'J94b6KjjBaZDG8Awau' => '9b7nMpTSFBXR7mbc7rmF2hFZduRptjaW', // ld_updates14
'VGXFPJcysa83QWgGqY' => 'VUYEtkDG6L3jVCmJARyzRYTZpeWckD8B', // ld_updates15
'tKqG3xaLt5dawwLYJu' => 'AEdAJEyHUP9UuTEJ38E36rapvgHG9z3B', // ld_updates16
'TxNgg8AkcyhQDLmAaA' => 'usAw3tGPWW6k43KmdqKxZcLRbaVyMWvj', // ld_updates17
'r62wGrYYDGz2kTMjcN' => 'C4CWjLFeM2WaJg6egVJcFQK6XZSmZjgZ', // ld_updates18
'epKULsTE7DqP5SsJFw' => 'HjYQ8G5Npekq92Xf6vrbt8b79su8r2wb', // ld_updates19
'APfwmF6D4VaeAxLprB' => 'U7hyxFwX27mWYzgE5x5DzjHyCaCfqFK4', // ld_updates20
);
private $request_method = 'GET';
private $repo_url_base = 'https://api.bitbucket.org/2.0/repositories/learndash';
private $download_url_base = 'https://bitbucket.org/learndash';
private $readme_url_base = '';
/**
* Repository Lock file ref.
*
* @since 3.1.8
*
* @var file_pointer $lock_repository_fp;
*/
private $lock_repository_fp = null;
public function __construct() {
add_filter( 'http_request_args', array( $this, 'http_request_args' ), 50, 2 );
}
public function init_oauth_key_set() {
if ( empty( $this->bb_OAuth ) ) {
$set_key = array_rand( $this->bb_OAuth_sets, 1 );
if ( ! empty( $set_key ) ) {
$this->bb_OAuth = array(
'consumer_key' => $set_key,
'consumer_secret' => $this->bb_OAuth_sets[ $set_key ],
);
}
}
}
public function get_bb_nonce() {
$mt = microtime();
$rand = mt_rand();
return md5( $mt . '_' . $rand );
}
public function get_repo_base_url() {
return $this->repo_url_base;
}
public function get_download_base_url() {
return $this->download_url_base;
}
public function get_readme_base_url() {
return $this->readme_url_base;
}
public function setup_url_params( $request_url = '' ) {
if ( ! empty( $request_url ) ) {
$this->init_oauth_key_set();
$request_url_params = array(
'oauth_consumer_key' => $this->bb_OAuth['consumer_key'],
'oauth_nonce' => $this->get_bb_nonce(),
'oauth_signature_method' => 'HMAC-SHA1',
'oauth_timestamp' => time(),
'oauth_version' => '1.0',
'pagelen' => 100,
);
ksort( $request_url_params );
//The most complicated part of the request - generating the signature.
//The string to sign contains the HTTP method, the URL path, and all of
//our query parameters. Everything is URL encoded. Then we concatenate
//them with ampersands into a single string to hash.
$encodedVerb = urlencode( $this->request_method );
$encodedUrl = urlencode( $request_url );
$encodedParams = urlencode( http_build_query( $request_url_params, '', '&' ) );
$stringToSign = $encodedVerb . '&' . $encodedUrl . '&' . $encodedParams;
//Since we only have one OAuth token (the consumer secret) we only have
//to use it as our HMAC key. However, we still have to append an & to it
//as if we were using it with additional tokens.
$secret = urlencode( $this->bb_OAuth['consumer_secret'] ) . '&';
//The signature is a hash of the consumer key and the base string. Note
//that we have to get the raw output from hash_hmac and base64 encode
//the binary data result.
$request_url_params['oauth_signature'] = base64_encode( hash_hmac( 'sha1', $stringToSign, $secret, true ) );
$request_url .= '?' . http_build_query( $request_url_params );
}
return $request_url;
}
/**
* Filter the WordPress HTTP Request Args.
*
* This filter is called just before the download_url()
* request. We hook into this filter to control the timeout
* on the calls to BitBucket.
*/
public function http_request_args( $parsed_args = array(), $url = '' ) {
if ( ! empty( $url ) ) {
if ( substr( $url, 0, strlen( $this->download_url_base ) ) === $this->download_url_base ) {
if ( substr( $url, 0, strlen( $this->download_url_base . '/learndash-add-ons/get/stable.zip' ) ) === $this->download_url_base . '/learndash-add-ons/get/stable.zip' ) {
$parsed_args['timeout'] = LEARNDASH_HTTP_BITBUCKET_README_DOWNLOAD_TIMEOUT;
}
/**
* Filter the timeout for LearnDash BitBucket downloads.
*
* @since 3.1.8
*
* @param int $timeout Current timeout in seconds.
* @param array $parsed_args Array of request args.
* @param string $url URL for request.
*/
$parsed_args['timeout'] = apply_filters( 'learndash_bitbucket_request_timeout', absint( $parsed_args['timeout'] ), $parsed_args, $url );
} elseif ( 'https://support.learndash.com' === substr( $url, 0, strlen( 'https://support.learndash.com' ) ) ) {
if ( ( isset( $parsed_args['method'] ) ) && ( 'GET' === strtoupper( $parsed_args['method'] ) ) ) {
$parsed_args['timeout'] = LEARNDASH_HTTP_REMOTE_GET_TIMEOUT;
} else {
$parsed_args['timeout'] = LEARNDASH_HTTP_REMOTE_POST_TIMEOUT;
}
/**
* Filter the timeout for LearnDash Support site connections.
*
* @since 3.1.8
*
* @param int $timeout Current timeout in seconds.
* @param array $parsed_args Array of request args.
* @param string $url URL for request.
*/
$parsed_args['timeout'] = apply_filters( 'learndash_support_request_timeout', absint( $parsed_args['timeout'] ), $parsed_args, $url );
}
}
return $parsed_args;
}
/**
* Get the local add-on directory path.
*/
public function get_addon_directory() {
if ( empty( $this->ld_addons_dir ) ) {
$wp_upload_dir = wp_upload_dir();
$this->ld_addons_dir = trailingslashit( $wp_upload_dir['basedir'] ) . 'learndash/add-ons';
if ( ! file_exists( $this->ld_addons_dir ) ) {
if ( wp_mkdir_p( $this->ld_addons_dir ) !== false ) {
// To prevent security browsing add an index.php file.
file_put_contents( trailingslashit( $this->ld_addons_dir ) . 'index.php', '// nothing to see here' );
}
}
}
return $this->ld_addons_dir;
}
/**
* Get the BitBucket repositories.
*/
public function get_bitbucket_repositories( $override_cache = false ) {
// Clear out the existiing plugins array.
$repository_data = array();
if ( true !== $override_cache ) {
// Get the number of past errors.
$repo_error_count = 3;
if ( ( defined( 'LEARNDASH_REPO_ERROR_THRESHOLD_COUNT' ) ) && ( LEARNDASH_REPO_ERROR_THRESHOLD_COUNT > 1 ) ) {
$repo_error_count = absint( LEARNDASH_REPO_ERROR_THRESHOLD_COUNT );
}
$repo_error_time = 7200;
if ( ( defined( 'LEARNDASH_REPO_ERROR_THRESHOLD_TIME' ) ) && ( LEARNDASH_REPO_ERROR_THRESHOLD_TIME > 1 ) ) {
$repo_error_time = absint( LEARNDASH_REPO_ERROR_THRESHOLD_TIME );
}
$log_error_count = $this->get_error_count_bitbucket_repository( 'learndash-add-ons' );
if ( absint( $log_error_count ) >= $repo_error_count ) {
// Check the last time the log file was updated.
$log_error_time = $this->get_error_update_timestamp_bitbucket_repository( 'learndash-add-ons' );
$log_error_time_diff = time() - $log_error_time;
if ( intval( $log_error_time_diff ) < $repo_error_time ) {
return $repository_data;
}
// If we are over the wait time we can try again. So we clear the log.
$this->clear_error_bitbucket_repository( 'learndash-add-ons' );
}
} else {
// f we are in cach orderride mode we clear the log.
$this->clear_error_bitbucket_repository( 'learndash-add-ons' );
$this->remove_lock_bitbucket_repository( 'learndash-add-ons' );
}
// Check if we can lock the processing file.
if ( ! $this->lock_bitbucket_repository( 'learndash-add-ons' ) ) {
return $repository_data;
}
$request_url = $this->get_bitbucket_repository_download_url( 'learndash-add-ons' );
$request_url = $this->setup_url_params( $request_url );
if ( ! empty( $request_url ) ) {
if ( ! function_exists( 'download_url' ) ) {
require_once ABSPATH . 'wp-admin' . DIRECTORY_SEPARATOR . 'includes' . DIRECTORY_SEPARATOR . 'file.php';
}
$download = download_url( $request_url );
if ( ! is_wp_error( $download ) ) {
if ( is_file( $download ) ) {
$addon_dest_file = $this->get_addon_directory() . '/learndash-add-ons.zip';
$copy_ret = copy( $download, $addon_dest_file );
@unlink( $download );
WP_Filesystem();
$ld_addons_dir_unzip = $this->get_addon_directory() . '/unzip';
global $wp_filesystem;
$wp_filesystem->delete( $ld_addons_dir_unzip, true );
$unzip_ret = unzip_file( $addon_dest_file, $ld_addons_dir_unzip );
if ( true === $unzip_ret ) {
$unzip_files = learndash_scandir_recursive( $ld_addons_dir_unzip );
if ( ! empty( $unzip_files ) ) {
foreach ( $unzip_files as $unzip_file ) {
$base_unzip_file = basename( $unzip_file );
// See if the filename is 'repositories.txt' or ends in '_readme.txt'.
if ( ( 'repositories.txt' === $base_unzip_file ) || ( '_readme.txt' === substr( $base_unzip_file, -1 * strlen( '_readme.txt' ), strlen( '_readme.txt' ) ) ) ) {
$unzip_file_dest_txt = $this->get_addon_directory() . '/' . $base_unzip_file;
//if ( file_exists( ))
$copy_ret = copy( $unzip_file, $unzip_file_dest_txt );
}
}
}
$wp_filesystem->delete( $ld_addons_dir_unzip, true );
}
}
$repositories_file = $this->get_addon_directory() . '/repositories.txt';
if ( is_file( $repositories_file ) ) {
$body = file_get_contents( $repositories_file );
if ( ! empty( $body ) ) {
$repository_data = $this->parse_repository_txt( $body );
}
}
// Clear the log on success.
$this->clear_error_bitbucket_repository( 'learndash-add-ons' );
} else {
$this->error_log_bitbucket_repository( 'learndash-add-ons', $download );
}
// Unlock the lock file for other processes.
$this->unlock_bitbucket_repository( 'learndash-add-ons' );
}
return $repository_data;
}
// The following function is used to pull the readme.txt file from BitBucket.
// But this was too costly from a connection standpoint. Plus made editing difficult
// since a typo or quick change could not be applied to a new update.
public function get_bitbucket_repository_readme( $plugin_key = '' ) {
if ( ! empty( $plugin_key ) ) {
$body = '';
$code = 0;
if ( empty( $body ) ) {
$plugin_readme_file = ABSPATH . DIRECTORY_SEPARATOR . $plugin_key . '.txt';
if ( file_exists( $plugin_readme_file ) ) {
$code = 200;
$body = file_get_contents( $plugin_readme_file );
}
}
if ( empty( $body ) ) {
$plugin_readme_file = $this->get_addon_directory() . '/' . $plugin_key . '_readme.txt';
if ( file_exists( $plugin_readme_file ) ) {
$code = 200;
$body = file_get_contents( $plugin_readme_file );
}
}
if ( ( 200 === $code ) && ( ! empty( $body ) ) ) {
$readme_parser = new LearnDashWPReadmeParser();
$body_parsed = $readme_parser->parse_readme_contents( $body );
$plugin_readme_file = $this->get_addon_directory() . '/' . $plugin_key . '_readme.txt';
if ( ! file_exists( $plugin_readme_file ) ) {
file_put_contents( $plugin_readme_file, $body );
}
//$body_parsed['file'] = str_replace( ABSPATH, '', $plugin_readme_file );
return $body_parsed;
}
}
}
/**
* Get the Repository Download URL
*
* @since 3.1.8
*
* @param string $plugin_key Plugin Key.
* @param string $tag_or_version Repo version or tag.
*/
public function get_bitbucket_repository_download_url( $plugin_key = '', $tag_or_version = 'stable' ) {
if ( ! empty( $plugin_key ) ) {
$request_url = $this->download_url_base . '/' . $plugin_key . '/get/' . $tag_or_version . '.zip';
return $request_url;
}
}
/**
* Get the Repository Lock file
*
* @since 3.1.8
*
* @param string $plugin_key Plugin Key.
*/
protected function get_bitbucket_repository_lock_file( $plugin_key = '' ) {
if ( ! empty( $plugin_key ) ) {
return $this->get_addon_directory() . '/' . $plugin_key . '.pid';
}
}
/**
* Get the Repository Log file
*
* @since 3.1.8
*
* @param string $plugin_key Plugin Key.
*/
protected function get_bitbucket_repository_log_file( $plugin_key = '' ) {
if ( ! empty( $plugin_key ) ) {
return $this->get_addon_directory() . '/' . $plugin_key . '.log';
}
}
/**
* Lock the Repository file
*
* @since 3.1.8
*
* @param string $plugin_key Plugin Key.
*/
protected function lock_bitbucket_repository( $plugin_key = '' ) {
if ( ! empty( $plugin_key ) ) {
$addon_lock_file = $this->get_bitbucket_repository_lock_file( $plugin_key );
if ( ! empty( $addon_lock_file ) ) {
$this->lock_repository_fp = fopen( $addon_lock_file, 'w+' );
if ( $this->lock_repository_fp ) {
if ( flock( $this->lock_repository_fp, LOCK_EX | LOCK_NB ) ) {
return true;
}
}
}
}
return false;
}
/**
* Remove Lock Repository file
*
* @since 3.1.8
*
* @param string $plugin_key Plugin Key.
*/
protected function remove_lock_bitbucket_repository( $plugin_key = '' ) {
if ( ! empty( $plugin_key ) ) {
$addon_lock_file = $this->get_bitbucket_repository_lock_file( $plugin_key );
if ( ( ! empty( $addon_lock_file ) ) && ( file_exists( $addon_lock_file ) ) ) {
@unlink( $addon_lock_file );
}
}
return false;
}
/**
* Unlock the Repository file
*
* @since 3.1.8
*
* @param string $plugin_key Plugin Key.
*/
protected function unlock_bitbucket_repository( $plugin_key = '' ) {
if ( ! empty( $plugin_key ) ) {
if ( $this->lock_repository_fp ) {
flock( $this->lock_repository_fp, LOCK_UN );
$this->remove_lock_bitbucket_repository( $plugin_key );
}
}
}
/**
* Write to the Repository log file
*
* @since 3.1.8
*
* @param string $plugin_key Plugin Key.
* @param obj $error Error object
*/
protected function error_log_bitbucket_repository( $plugin_key, $error ) {
if ( ! empty( $plugin_key ) ) {
$log_message = '';
if ( ( property_exists( $error, 'error_data' ) ) && ( is_array( $error->error_data ) ) ) {
foreach ( $error->error_data as $error_set ) {
if ( isset( $error_set['code'] ) ) {
$log_message .= 'Error: ' . absint( $error_set['code'] );
}
if ( isset( $error_set['body'] ) ) {
$log_message .= ' Message: ' . strip_tags( $error_set['body'] );
}
}
}
if ( ! empty( $log_message ) ) {
$addon_log_file = $this->get_bitbucket_repository_log_file( $plugin_key );
if ( ! empty( $addon_log_file ) ) {
$log_repository_fp = fopen( $addon_log_file, 'a+' );
if ( $log_repository_fp ) {
fwrite( $log_repository_fp, $log_message . "\r\n" );
fclose( $log_repository_fp );
}
}
}
}
}
/**
* Clear the Repository log file
*
* @since 3.1.8
*
* @param string $plugin_key Plugin Key.
*/
protected function clear_error_bitbucket_repository( $plugin_key = '' ) {
if ( ! empty( $plugin_key ) ) {
$addon_log_file = $this->get_bitbucket_repository_log_file( $plugin_key );
if ( ! empty( $addon_log_file ) ) {
$log_repository_fp = fopen( $addon_log_file, 'w' );
if ( $log_repository_fp ) {
fclose( $log_repository_fp );
}
}
}
}
/**
* Count entries from the Repository log file
*
* @since 3.1.8
*
* @param string $plugin_key Plugin Key.
*/
protected function get_error_count_bitbucket_repository( $plugin_key = '' ) {
$log_entries_count = 0;
if ( ! empty( $plugin_key ) ) {
$addon_log_file = $this->get_bitbucket_repository_log_file( $plugin_key );
if ( ( ! empty( $addon_log_file ) ) && ( file_exists( $addon_log_file ) ) ) {
$log_entries = file_get_contents( $addon_log_file );
$log_entries_array = explode( "\n", $log_entries );
$log_entries_array = array_filter( $log_entries_array );
$log_entries_count = count( $log_entries_array );
}
}
return $log_entries_count;
}
/**
* Get last updated timestamp for the Repository log file
*
* @since 3.1.8
*
* @param string $plugin_key Plugin Key.
*/
protected function get_error_update_timestamp_bitbucket_repository( $plugin_key = '' ) {
$log_update_timestamp = 0;
if ( ! empty( $plugin_key ) ) {
$addon_log_file = $this->get_bitbucket_repository_log_file( $plugin_key );
if ( ( ! empty( $addon_log_file ) ) && ( file_exists( $addon_log_file ) ) ) {
$log_update_timestamp = filemtime( $addon_log_file );
}
}
return $log_update_timestamp;
}
/* The calling function get_bitbucket_repositories() connects to bitbucket and retrieves
* a file respoitories.txt. Each line of the file represents a repository and contains
* three fields separated by '|'.
* 1. repository slug
* 2. current version
* 3. last update YYYY-MM-DD hh:mm:ss
*
* @ since 2.5.7
*/
function parse_repository_txt( $file_contents = '' ) {
$repositories_array = array();
$file_contents = str_replace( array( "\r\n", "\r" ), "\n", $file_contents );
$file_contents = trim( $file_contents );
$file_contents_array = preg_split( "/(\r\n|\n|\r)/", $file_contents );
if ( ! empty( $file_contents_array ) ) {
foreach ( $file_contents_array as $repo_item_string ) {
if ( ! empty( $repo_item_string ) ) {
list( $tmp_array['slug'], $tmp_array['version'], $tmp_array['updated_on'] ) = explode( '|', $repo_item_string );
$tmp_array = array_map( 'trim', $tmp_array );
if ( ( isset( $tmp_array['slug'] ) ) && ( ! empty( $tmp_array['slug'] ) ) ) {
$repositories_array[ $tmp_array['slug'] ] = (object) $tmp_array;
}
}
}
}
return $repositories_array;
}
}
}
if ( ! class_exists( 'LearnDashWPReadmeParser' ) ) {
class LearnDashWPReadmeParser {
function __construct() {
// This space intentially blank
}
function parse_readme( $file ) {
$file_contents = @implode( '', @file( $file ) );
return $this->parse_readme_contents( $file_contents );
}
function parse_readme_contents( $file_contents ) {
global $wpdb;
$readme_sections = array();
if ( ! empty( $file_contents ) ) {
$file_contents = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $file_contents );
}
if ( ! empty( $file_contents ) ) {
$file_contents = str_replace( array( "\r\n", "\r" ), "\n", $file_contents );
$file_contents = trim( $file_contents );
if ( 0 === strpos( $file_contents, "\xEF\xBB\xBF" ) ) {
$file_contents = substr( $file_contents, 3 );
}
// Markdown transformations
$file_contents = preg_replace( "|^###([^#]+)#*?\s*?\n|im", '=$1=' . "\n", $file_contents );
$file_contents = preg_replace( "|^##([^#]+)#*?\s*?\n|im", '==$1==' . "\n", $file_contents );
$file_contents = preg_replace( "|^#([^#]+)#*?\s*?\n|im", '===$1===' . "\n", $file_contents );
$file_contents_array = preg_split( "/(\r\n|\n|\r)/", $file_contents );
if ( ! empty( $file_contents_array ) ) {
$section_current = '';
$_is_short_description = false;
foreach ( $file_contents_array as $line ) {
if ( substr( $line, 0, 3 ) == '===' ) {
$section_current = 'header';
if ( preg_match( '|^===(.*)===|', $line, $_name ) ) {
$readme_sections['name'] = $this->sanitize_text( trim( $_name[1] ) );
}
continue;
} elseif ( substr( $line, 0, 2 ) == '==' ) {
$section_current = '';
if ( preg_match( '|^==(.*)==|', $line, $_name ) ) {
$title = $this->sanitize_text( trim( $_name[1] ) );
$section_current = str_replace( ' ', '_', strtolower( $title ) );
$readme_sections[ $section_current ] = array(
'title' => $title,
'content_raw' => '',
'content' => '',
);
continue;
}
}
if ( ! empty( $section_current ) ) {
if ( $section_current == 'header' ) {
if ( ! empty( $line ) ) {
if ( $_is_short_description == true ) {
$short_desc_filtered = $this->sanitize_text( $line );
$short_desc_length = strlen( $short_desc_filtered );
$short_description = substr( $short_desc_filtered, 0, 150 );
$readme_sections['short_description'] = $short_description;
if ( $short_desc_length > strlen( $short_description ) ) {
$truncated = true;
} else {
$truncated = false;
}
$readme_sections['is_truncated'] = $truncated;
} else {
$line_parts = explode( ':', $line, 2 );
if ( count( $line_parts ) > 1 ) {
$title = $this->sanitize_text( trim( $line_parts[0] ) );
$title = str_replace( ' ', '_', strtolower( $title ) );
$readme_sections[ $title ] = trim( $line_parts[1] );
}
}
} else {
$_is_short_description = true;
}
} elseif ( isset( $readme_sections[ $section_current ]['content_raw'] ) ) {
if ( ( empty( $line ) ) && ( empty( $readme_sections[ $section_current ]['content_raw'] ) ) ) {
continue;
} else {
$readme_sections[ $section_current ]['content_raw'] .= $line . "\r\n";
}
}
}
}
}
if ( ( isset( $readme_sections['tags'] ) ) && ( ! empty( $readme_sections['tags'] ) ) ) {
$tags_str = $readme_sections['tags'];
$readme_sections['tags'] = array();
$tags_array = preg_split( '|,[\s]*?|', trim( $tags_str ) );
if ( count( $tags_array ) > 1 ) {
//foreach ( array_keys( $tags_array ) as $t ) {
// $readme_sections['tags'][$t] = $this->sanitize_text( $tags_array[$t] );
//}
$readme_sections['tags'] = array_map( array( $this, 'sanitize_text' ), $tags_array );
}
} else {
$readme_sections['tags'] = array();
}
/*
if ( ( isset( $readme_sections['contributors'] ) ) && ( !empty( $readme_sections['contributors'] ) ) ) {
$contributors_str = $readme_sections['contributors'];
$readme_sections['contributors'] = array();
$contributors_array = preg_split('|,[\s]*?|', trim( $contributors_str ) );
if ( count( $contributors_array ) > 1 ) {
//foreach ( array_keys( $contributors_array ) as $t ) {
// $readme_sections['contributors'][$t] = $this->user_sanitize( $contributors_array[$t] );
//}
$readme_sections['contributors'] = array_map( array( $this, 'user_sanitize'), $contributors_array );
}
} else {
*/
$readme_sections['contributors'] = array();
//}
foreach ( array( 'changelog', 'upgrade_notice', 'upgrade_notice_admin' ) as $section_key ) {
if ( ( isset( $readme_sections[ $section_key ]['content_raw'] ) ) && ( ! empty( $readme_sections[ $section_key ]['content_raw'] ) ) ) {
$split = preg_split( '#=(.*?)=#', $readme_sections[ $section_key ]['content_raw'], -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY );
$readme_sections[ $section_key ]['content'] = array();
for ( $i = 0; $i < count( $split ); $i += 2 ) {
$readme_sections[ $section_key ]['content'][ $this->sanitize_text( $split[ $i ] ) ] = $this->filter_text( $this->sanitize_text( $split[ $i + 1 ] ), true );
}
}
}
foreach ( array( 'icons', 'banners' ) as $section_key ) {
if ( ( isset( $readme_sections[ $section_key ]['content_raw'] ) ) && ( ! empty( $readme_sections[ $section_key ]['content_raw'] ) ) ) {
$items = explode( PHP_EOL, $readme_sections[ $section_key ]['content_raw'] );
if ( ! empty( $items ) ) {
$readme_sections[ $section_key ] = array();
foreach ( $items as $item ) {
$item = trim( $item );
if ( ! empty( $item ) ) {
$item_split = explode( ':', $item, 2 );
$readme_sections[ $section_key ][ $item_split[0] ] = $item_split[1];
}
}
}
}
}
$readme_sections['sections'] = array();
foreach ( array( 'description', 'installation', 'frequently_asked_questions', 'changelog', 'arbitrary_section' ) as $section_key ) {
if ( ( isset( $readme_sections[ $section_key ]['content_raw'] ) ) && ( ! empty( $readme_sections[ $section_key ]['content_raw'] ) ) ) {
$readme_sections[ $section_key ]['content'] = preg_replace( '/^[\s]*=[\s]+(.+?)[\s]+=/m', '<h4>$1</h4>', $readme_sections[ $section_key ]['content_raw'] );
$readme_sections[ $section_key ]['content'] = $this->filter_text( $readme_sections[ $section_key ]['content'], true );
$readme_sections['sections'][ $section_key ] = $readme_sections[ $section_key ]['content'];
}
}
}
return $readme_sections;
}
function sanitize_text( $text ) {
// not fancy
$text = strip_tags( $text );
$text = esc_html( $text );
$text = trim( $text );
return $text;
}
function filter_text( $text, $markdown = false ) {
// fancy, Markdown
$text = trim( $text );
$text = call_user_func( array( __CLASS__, 'code_trick' ), $text, $markdown ); // A better parser than Markdown's for: backticks -> CODE
//if ( $markdown ) { // Parse markdown.
// if ( !function_exists('Markdown') )
// require( WORDPRESS_README_MARKDOWN );
// $text = Markdown($text);
//}
if ( $markdown ) { // Parse markdown.
//if ( !class_exists('LeanDashParsedown', false) ) {
// /** @noinspection PhpIncludeInspection */
// require_once(dirname(__FILE__) . '/Parsedown' . (version_compare(PHP_VERSION, '5.3.0', '>=') ? '' : 'Legacy') . '.php');
//}
$instance = LeanDashParsedown::instance();
$text = $instance->text( $text );
}
$allowed = array(
'a' => array(
'href' => array(),
'title' => array(),
'rel' => array(),
),
'blockquote' => array( 'cite' => array() ),
'br' => array(),
'p' => array(),
'code' => array(),
'pre' => array(),
'em' => array(),
'strong' => array(),
'ul' => array(),
'ol' => array(),
'li' => array(),
'h3' => array(),
'h4' => array(),
);
$text = balanceTags( $text );
$text = wp_kses( $text, $allowed );
$text = trim( $text );
return $text;
}
function code_trick( $text, $markdown ) {
// Don't use bbPress native function - it's incompatible with Markdown
// If doing markdown, first take any user formatted code blocks and turn them into backticks so that
// markdown will preserve things like underscores in code blocks
if ( $markdown ) {
$text = preg_replace_callback( '!(<pre><code>|<code>)(.*?)(</code></pre>|</code>)!s', array( __CLASS__, 'decodeit' ), $text );
}
$text = str_replace( array( "\r\n", "\r" ), "\n", $text );
if ( ! $markdown ) {
// This gets the "inline" code blocks, but can't be used with Markdown.
$text = preg_replace_callback( '|(`)(.*?)`|', array( __CLASS__, 'encodeit' ), $text );
// This gets the "block level" code blocks and converts them to PRE CODE
$text = preg_replace_callback( "!(^|\n)`(.*?)`!s", array( __CLASS__, 'encodeit' ), $text );
} else {
// Markdown can do inline code, we convert bbPress style block level code to Markdown style
$text = preg_replace_callback( "!(^|\n)([ \t]*?)`(.*?)`!s", array( __CLASS__, 'indent' ), $text );
}
return $text;
}
function indent( $matches ) {
$text = $matches[3];
$text = preg_replace( '|^|m', $matches[2] . ' ', $text );
return $matches[1] . $text;
}
function encodeit( $matches ) {
if ( function_exists( 'encodeit' ) ) { // bbPress native
return encodeit( $matches );
}
$text = trim( $matches[2] );
$text = htmlspecialchars( $text, ENT_QUOTES );
$text = str_replace( array( "\r\n", "\r" ), "\n", $text );
$text = preg_replace( "|\n\n\n+|", "\n\n", $text );
$text = str_replace( '&lt;', '<', $text );
$text = str_replace( '&gt;', '>', $text );
$text = "<code>$text</code>";
if ( '`' != $matches[1] ) {
$text = "<pre>$text</pre>";
}
return $text;
}
function decodeit( $matches ) {
if ( function_exists( 'decodeit' ) ) { // bbPress native
return decodeit( $matches );
}
$text = $matches[2];
$trans_table = array_flip( get_html_translation_table( HTML_ENTITIES ) );
$text = strtr( $text, $trans_table );
$text = str_replace( '<br />', '', $text );
$text = str_replace( '&', '&', $text );
$text = str_replace( ''', "'", $text );
if ( '<pre><code>' == $matches[1] ) {
$text = "\n$text\n";
}
return "`$text`";
}
}
#
#
# LeanDashParsedown
# http://parsedown.org
#
# (c) Emanuil Rusev
# http://erusev.com
#
# For the full license information, view the LICENSE file that was distributed
# with this source code.
#
#
class LeanDashParsedown {
# ~
const version = '1.6.0';
# ~
function text( $text ) {
# make sure no definitions are set
$this->DefinitionData = array();
# standardize line breaks
$text = str_replace( array( "\r\n", "\r" ), "\n", $text );
# remove surrounding line breaks
$text = trim( $text, "\n" );
# split text into lines
$lines = explode( "\n", $text );
# iterate through lines to identify blocks
$markup = $this->lines( $lines );
# trim line breaks
$markup = trim( $markup, "\n" );
return $markup;
}
#
# Setters
#
function setBreaksEnabled( $breaksEnabled ) {
$this->breaksEnabled = $breaksEnabled;
return $this;
}
protected $breaksEnabled;
function setMarkupEscaped( $markupEscaped ) {
$this->markupEscaped = $markupEscaped;
return $this;
}
protected $markupEscaped;
function setUrlsLinked( $urlsLinked ) {
$this->urlsLinked = $urlsLinked;
return $this;
}
protected $urlsLinked = true;
#
# Lines
#
protected $BlockTypes = array(
'#' => array( 'Header' ),
'*' => array( 'Rule', 'List' ),
'+' => array( 'List' ),
'-' => array( 'SetextHeader', 'Table', 'Rule', 'List' ),
'0' => array( 'List' ),
'1' => array( 'List' ),
'2' => array( 'List' ),
'3' => array( 'List' ),
'4' => array( 'List' ),
'5' => array( 'List' ),
'6' => array( 'List' ),
'7' => array( 'List' ),
'8' => array( 'List' ),
'9' => array( 'List' ),
':' => array( 'Table' ),
'<' => array( 'Comment', 'Markup' ),
'=' => array( 'SetextHeader' ),
'>' => array( 'Quote' ),
'[' => array( 'Reference' ),
'_' => array( 'Rule' ),
'`' => array( 'FencedCode' ),
'|' => array( 'Table' ),
'~' => array( 'FencedCode' ),
);
# ~
protected $unmarkedBlockTypes = array(
'Code',
);
#
# Blocks
#
protected function lines( array $lines ) {
$CurrentBlock = null;
foreach ( $lines as $line ) {
if ( chop( $line ) === '' ) {
if ( isset( $CurrentBlock ) ) {
$CurrentBlock['interrupted'] = true;
}
continue;
}
if ( strpos( $line, "\t" ) !== false ) {
$parts = explode( "\t", $line );
$line = $parts[0];
unset( $parts[0] );
foreach ( $parts as $part ) {
$shortage = 4 - mb_strlen( $line, 'utf-8' ) % 4;
$line .= str_repeat( ' ', $shortage );
$line .= $part;
}
}
$indent = 0;
while ( isset( $line[ $indent ] ) and $line[ $indent ] === ' ' ) {
$indent ++;
}
$text = $indent > 0 ? substr( $line, $indent ) : $line;
# ~
$Line = array(
'body' => $line,
'indent' => $indent,
'text' => $text,
);
# ~
if ( isset( $CurrentBlock['continuable'] ) ) {
$Block = $this->{'block' . $CurrentBlock['type'] . 'Continue'}( $Line, $CurrentBlock );
if ( isset( $Block ) ) {
$CurrentBlock = $Block;
continue;
} else {
if ( $this->isBlockCompletable( $CurrentBlock['type'] ) ) {
$CurrentBlock = $this->{'block' . $CurrentBlock['type'] . 'Complete'}( $CurrentBlock );
}
}
}
# ~
$marker = $text[0];
# ~
$blockTypes = $this->unmarkedBlockTypes;
if ( isset( $this->BlockTypes[ $marker ] ) ) {
foreach ( $this->BlockTypes[ $marker ] as $blockType ) {
$blockTypes [] = $blockType;
}
}
#
# ~
foreach ( $blockTypes as $blockType ) {
$Block = $this->{'block' . $blockType}( $Line, $CurrentBlock );
if ( isset( $Block ) ) {
$Block['type'] = $blockType;
if ( ! isset( $Block['identified'] ) ) {
$Blocks [] = $CurrentBlock;
$Block['identified'] = true;
}
if ( $this->isBlockContinuable( $blockType ) ) {
$Block['continuable'] = true;
}
$CurrentBlock = $Block;
continue 2;
}
}
# ~
if ( isset( $CurrentBlock ) and ! isset( $CurrentBlock['type'] ) and ! isset( $CurrentBlock['interrupted'] ) ) {
$CurrentBlock['element']['text'] .= "\n" . $text;
} else {
$Blocks [] = $CurrentBlock;
$CurrentBlock = $this->paragraph( $Line );
$CurrentBlock['identified'] = true;
}
}
# ~
if ( isset( $CurrentBlock['continuable'] ) and $this->isBlockCompletable( $CurrentBlock['type'] ) ) {
$CurrentBlock = $this->{'block' . $CurrentBlock['type'] . 'Complete'}( $CurrentBlock );
}
# ~
$Blocks [] = $CurrentBlock;
unset( $Blocks[0] );
# ~
$markup = '';
foreach ( $Blocks as $Block ) {
if ( isset( $Block['hidden'] ) ) {
continue;
}
$markup .= "\n";
$markup .= isset( $Block['markup'] ) ? $Block['markup'] : $this->element( $Block['element'] );
}
$markup .= "\n";
# ~
return $markup;
}
protected function isBlockContinuable( $Type ) {
return method_exists( $this, 'block' . $Type . 'Continue' );
}
protected function isBlockCompletable( $Type ) {
return method_exists( $this, 'block' . $Type . 'Complete' );
}
#
# Code
protected function blockCode( $Line, $Block = null ) {
if ( isset( $Block ) and ! isset( $Block['type'] ) and ! isset( $Block['interrupted'] ) ) {
return;
}
if ( $Line['indent'] >= 4 ) {
$text = substr( $Line['body'], 4 );
$Block = array(
'element' => array(
'name' => 'pre',
'handler' => 'element',
'text' => array(
'name' => 'code',
'text' => $text,
),
),
);
return $Block;
}
}
protected function blockCodeContinue( $Line, $Block ) {
if ( $Line['indent'] >= 4 ) {
if ( isset( $Block['interrupted'] ) ) {
$Block['element']['text']['text'] .= "\n";
unset( $Block['interrupted'] );
}
$Block['element']['text']['text'] .= "\n";
$text = substr( $Line['body'], 4 );
$Block['element']['text']['text'] .= $text;
return $Block;
}
}
protected function blockCodeComplete( $Block ) {
$text = $Block['element']['text']['text'];
$text = htmlspecialchars( $text, ENT_NOQUOTES, 'UTF-8' );
$Block['element']['text']['text'] = $text;
return $Block;
}
#
# Comment
protected function blockComment( $Line ) {
if ( $this->markupEscaped ) {
return;
}
if ( isset( $Line['text'][3] ) and $Line['text'][3] === '-' and $Line['text'][2] === '-' and $Line['text'][1] === '!' ) {
$Block = array(
'markup' => $Line['body'],
);
if ( preg_match( '/-->$/', $Line['text'] ) ) {
$Block['closed'] = true;
}
return $Block;
}
}
protected function blockCommentContinue( $Line, array $Block ) {
if ( isset( $Block['closed'] ) ) {
return;
}
$Block['markup'] .= "\n" . $Line['body'];
if ( preg_match( '/-->$/', $Line['text'] ) ) {
$Block['closed'] = true;
}
return $Block;
}
#
# Fenced Code
protected function blockFencedCode( $Line ) {
if ( preg_match( '/^[' . $Line['text'][0] . ']{3,}[ ]*([\w-]+)?[ ]*$/', $Line['text'], $matches ) ) {
$Element = array(
'name' => 'code',
'text' => '',
);
if ( isset( $matches[1] ) ) {
$class = 'language-' . $matches[1];
$Element['attributes'] = array(
'class' => $class,
);
}
$Block = array(
'char' => $Line['text'][0],
'element' => array(
'name' => 'pre',
'handler' => 'element',
'text' => $Element,
),
);
return $Block;
}
}
protected function blockFencedCodeContinue( $Line, $Block ) {
if ( isset( $Block['complete'] ) ) {
return;
}
if ( isset( $Block['interrupted'] ) ) {
$Block['element']['text']['text'] .= "\n";
unset( $Block['interrupted'] );
}
if ( preg_match( '/^' . $Block['char'] . '{3,}[ ]*$/', $Line['text'] ) ) {
$Block['element']['text']['text'] = substr( $Block['element']['text']['text'], 1 );
$Block['complete'] = true;
return $Block;
}
$Block['element']['text']['text'] .= "\n" . $Line['body'];
return $Block;
}
protected function blockFencedCodeComplete( $Block ) {
$text = $Block['element']['text']['text'];
$text = htmlspecialchars( $text, ENT_NOQUOTES, 'UTF-8' );
$Block['element']['text']['text'] = $text;
return $Block;
}
#
# Header
protected function blockHeader( $Line ) {
if ( isset( $Line['text'][1] ) ) {
$level = 1;
while ( isset( $Line['text'][ $level ] ) and $Line['text'][ $level ] === '#' ) {
$level ++;
}
if ( $level > 6 ) {
return;
}
$text = trim( $Line['text'], '# ' );
$Block = array(
'element' => array(
'name' => 'h' . min( 6, $level ),
'text' => $text,
'handler' => 'line',
),
);
return $Block;
}
}
#
# List
protected function blockList( $Line ) {
list($name, $pattern) = $Line['text'][0] <= '-' ? array( 'ul', '[*+-]' ) : array( 'ol', '[0-9]+[.]' );
if ( preg_match( '/^(' . $pattern . '[ ]+)(.*)/', $Line['text'], $matches ) ) {
$Block = array(
'indent' => $Line['indent'],
'pattern' => $pattern,
'element' => array(
'name' => $name,
'handler' => 'elements',
),
);
$Block['li'] = array(
'name' => 'li',
'handler' => 'li',
'text' => array(
$matches[2],
),
);
$Block['element']['text'] [] = & $Block['li'];
return $Block;
}
}
protected function blockListContinue( $Line, array $Block ) {
if ( $Block['indent'] === $Line['indent'] and preg_match( '/^' . $Block['pattern'] . '(?:[ ]+(.*)|$)/', $Line['text'], $matches ) ) {
if ( isset( $Block['interrupted'] ) ) {
$Block['li']['text'] [] = '';
unset( $Block['interrupted'] );
}
unset( $Block['li'] );
$text = isset( $matches[1] ) ? $matches[1] : '';
$Block['li'] = array(
'name' => 'li',
'handler' => 'li',
'text' => array(
$text,
),
);
$Block['element']['text'] [] = & $Block['li'];
return $Block;
}
if ( $Line['text'][0] === '[' and $this->blockReference( $Line ) ) {
return $Block;
}
if ( ! isset( $Block['interrupted'] ) ) {
$text = preg_replace( '/^[ ]{0,4}/', '', $Line['body'] );
$Block['li']['text'] [] = $text;
return $Block;
}
if ( $Line['indent'] > 0 ) {
$Block['li']['text'] [] = '';
$text = preg_replace( '/^[ ]{0,4}/', '', $Line['body'] );
$Block['li']['text'] [] = $text;
unset( $Block['interrupted'] );
return $Block;
}
}
#
# Quote
protected function blockQuote( $Line ) {
if ( preg_match( '/^>[ ]?(.*)/', $Line['text'], $matches ) ) {
$Block = array(
'element' => array(
'name' => 'blockquote',
'handler' => 'lines',
'text' => (array) $matches[1],
),
);
return $Block;
}
}
protected function blockQuoteContinue( $Line, array $Block ) {
if ( $Line['text'][0] === '>' and preg_match( '/^>[ ]?(.*)/', $Line['text'], $matches ) ) {
if ( isset( $Block['interrupted'] ) ) {
$Block['element']['text'] [] = '';
unset( $Block['interrupted'] );
}
$Block['element']['text'] [] = $matches[1];
return $Block;
}
if ( ! isset( $Block['interrupted'] ) ) {
$Block['element']['text'] [] = $Line['text'];
return $Block;
}
}
#
# Rule
protected function blockRule( $Line ) {
if ( preg_match( '/^([' . $Line['text'][0] . '])([ ]*\1){2,}[ ]*$/', $Line['text'] ) ) {
$Block = array(
'element' => array(
'name' => 'hr',
),
);
return $Block;
}
}
#
# Setext
protected function blockSetextHeader( $Line, array $Block = null ) {
if ( ! isset( $Block ) or isset( $Block['type'] ) or isset( $Block['interrupted'] ) ) {
return;
}
if ( chop( $Line['text'], $Line['text'][0] ) === '' ) {
$Block['element']['name'] = $Line['text'][0] === '=' ? 'h1' : 'h2';
return $Block;
}
}
#
# Markup
protected function blockMarkup( $Line ) {
if ( $this->markupEscaped ) {
return;
}
if ( preg_match( '/^<(\w*)(?:[ ]*' . $this->regexHtmlAttribute . ')*[ ]*(\/)?>/', $Line['text'], $matches ) ) {
$element = strtolower( $matches[1] );
if ( in_array( $element, $this->textLevelElements ) ) {
return;
}
$Block = array(
'name' => $matches[1],
'depth' => 0,
'markup' => $Line['text'],
);
$length = strlen( $matches[0] );
$remainder = substr( $Line['text'], $length );
if ( trim( $remainder ) === '' ) {
if ( isset( $matches[2] ) or in_array( $matches[1], $this->voidElements ) ) {
$Block['closed'] = true;
$Block['void'] = true;
}
} else {
if ( isset( $matches[2] ) or in_array( $matches[1], $this->voidElements ) ) {
return;
}
if ( preg_match( '/<\/' . $matches[1] . '>[ ]*$/i', $remainder ) ) {
$Block['closed'] = true;
}
}
return $Block;
}
}
protected function blockMarkupContinue( $Line, array $Block ) {
if ( isset( $Block['closed'] ) ) {
return;
}
if ( preg_match( '/^<' . $Block['name'] . '(?:[ ]*' . $this->regexHtmlAttribute . ')*[ ]*>/i', $Line['text'] ) ) { # open
$Block['depth'] ++;
}
if ( preg_match( '/(.*?)<\/' . $Block['name'] . '>[ ]*$/i', $Line['text'], $matches ) ) { # close
if ( $Block['depth'] > 0 ) {
$Block['depth'] --;
} else {
$Block['closed'] = true;
}
}
if ( isset( $Block['interrupted'] ) ) {
$Block['markup'] .= "\n";
unset( $Block['interrupted'] );
}
$Block['markup'] .= "\n" . $Line['body'];
return $Block;
}
#
# Reference
protected function blockReference( $Line ) {
if ( preg_match( '/^\[(.+?)\]:[ ]*<?(\S+?)>?(?:[ ]+["\'(](.+)["\')])?[ ]*$/', $Line['text'], $matches ) ) {
$id = strtolower( $matches[1] );
$Data = array(
'url' => $matches[2],
'title' => null,
);
if ( isset( $matches[3] ) ) {
$Data['title'] = $matches[3];
}
$this->DefinitionData['Reference'][ $id ] = $Data;
$Block = array(
'hidden' => true,
);
return $Block;
}
}
#
# Table
protected function blockTable( $Line, array $Block = null ) {
if ( ! isset( $Block ) or isset( $Block['type'] ) or isset( $Block['interrupted'] ) ) {
return;
}
if ( strpos( $Block['element']['text'], '|' ) !== false and chop( $Line['text'], ' -:|' ) === '' ) {
$alignments = array();
$divider = $Line['text'];
$divider = trim( $divider );
$divider = trim( $divider, '|' );
$dividerCells = explode( '|', $divider );
foreach ( $dividerCells as $dividerCell ) {
$dividerCell = trim( $dividerCell );
if ( $dividerCell === '' ) {
continue;
}
$alignment = null;
if ( $dividerCell[0] === ':' ) {
$alignment = 'left';
}
if ( substr( $dividerCell, - 1 ) === ':' ) {
$alignment = $alignment === 'left' ? 'center' : 'right';
}
$alignments [] = $alignment;
}
# ~
$HeaderElements = array();
$header = $Block['element']['text'];
$header = trim( $header );
$header = trim( $header, '|' );
$headerCells = explode( '|', $header );
foreach ( $headerCells as $index => $headerCell ) {
$headerCell = trim( $headerCell );
$HeaderElement = array(
'name' => 'th',
'text' => $headerCell,
'handler' => 'line',
);
if ( isset( $alignments[ $index ] ) ) {
$alignment = $alignments[ $index ];
$HeaderElement['attributes'] = array(
'style' => 'text-align: ' . $alignment . ';',
);
}
$HeaderElements [] = $HeaderElement;
}
# ~
$Block = array(
'alignments' => $alignments,
'identified' => true,
'element' => array(
'name' => 'table',
'handler' => 'elements',
),
);
$Block['element']['text'] [] = array(
'name' => 'thead',
'handler' => 'elements',
);
$Block['element']['text'] [] = array(
'name' => 'tbody',
'handler' => 'elements',
'text' => array(),
);
$Block['element']['text'][0]['text'] [] = array(
'name' => 'tr',
'handler' => 'elements',
'text' => $HeaderElements,
);
return $Block;
}
}
protected function blockTableContinue( $Line, array $Block ) {
if ( isset( $Block['interrupted'] ) ) {
return;
}
if ( $Line['text'][0] === '|' or strpos( $Line['text'], '|' ) ) {
$Elements = array();
$row = $Line['text'];
$row = trim( $row );
$row = trim( $row, '|' );
preg_match_all( '/(?:(\\\\[|])|[^|`]|`[^`]+`|`)+/', $row, $matches );
foreach ( $matches[0] as $index => $cell ) {
$cell = trim( $cell );
$Element = array(
'name' => 'td',
'handler' => 'line',
'text' => $cell,
);
if ( isset( $Block['alignments'][ $index ] ) ) {
$Element['attributes'] = array(
'style' => 'text-align: ' . $Block['alignments'][ $index ] . ';',
);
}
$Elements [] = $Element;
}
$Element = array(
'name' => 'tr',
'handler' => 'elements',
'text' => $Elements,
);
$Block['element']['text'][1]['text'] [] = $Element;
return $Block;
}
}
#
# ~
#
protected function paragraph( $Line ) {
$Block = array(
'element' => array(
'name' => 'p',
'text' => $Line['text'],
'handler' => 'line',
),
);
return $Block;
}
#
# Inline Elements
#
protected $InlineTypes = array(
'"' => array( 'SpecialCharacter' ),
'!' => array( 'Image' ),
'&' => array( 'SpecialCharacter' ),
'*' => array( 'Emphasis' ),
':' => array( 'Url' ),
'<' => array( 'UrlTag', 'EmailTag', 'Markup', 'SpecialCharacter' ),
'>' => array( 'SpecialCharacter' ),
'[' => array( 'Link' ),
'_' => array( 'Emphasis' ),
'`' => array( 'Code' ),
'~' => array( 'Strikethrough' ),
'\\' => array( 'EscapeSequence' ),
);
# ~
protected $inlineMarkerList = '!"*_&[:<>`~\\';
#
# ~
#
public function line( $text ) {
$markup = '';
# $excerpt is based on the first occurrence of a marker
while ( $excerpt = strpbrk( $text, $this->inlineMarkerList ) ) {
$marker = $excerpt[0];
$markerPosition = strpos( $text, $marker );
$Excerpt = array(
'text' => $excerpt,
'context' => $text,
);
foreach ( $this->InlineTypes[ $marker ] as $inlineType ) {
$Inline = $this->{'inline' . $inlineType}( $Excerpt );
if ( ! isset( $Inline ) ) {
continue;
}
# makes sure that the inline belongs to "our" marker
if ( isset( $Inline['position'] ) and $Inline['position'] > $markerPosition ) {
continue;
}
# sets a default inline position
if ( ! isset( $Inline['position'] ) ) {
$Inline['position'] = $markerPosition;
}
# the text that comes before the inline
$unmarkedText = substr( $text, 0, $Inline['position'] );
# compile the unmarked text
$markup .= $this->unmarkedText( $unmarkedText );
# compile the inline
$markup .= isset( $Inline['markup'] ) ? $Inline['markup'] : $this->element( $Inline['element'] );
# remove the examined text
$text = substr( $text, $Inline['position'] + $Inline['extent'] );
continue 2;
}
# the marker does not belong to an inline
$unmarkedText = substr( $text, 0, $markerPosition + 1 );
$markup .= $this->unmarkedText( $unmarkedText );
$text = substr( $text, $markerPosition + 1 );
}
$markup .= $this->unmarkedText( $text );
return $markup;
}
#
# ~
#
protected function inlineCode( $Excerpt ) {
$marker = $Excerpt['text'][0];
if ( preg_match( '/^(' . $marker . '+)[ ]*(.+?)[ ]*(?<!' . $marker . ')\1(?!' . $marker . ')/s', $Excerpt['text'], $matches ) ) {
$text = $matches[2];
$text = htmlspecialchars( $text, ENT_NOQUOTES, 'UTF-8' );
$text = preg_replace( "/[ ]*\n/", ' ', $text );
return array(
'extent' => strlen( $matches[0] ),
'element' => array(
'name' => 'code',
'text' => $text,
),
);
}
}
protected function inlineEmailTag( $Excerpt ) {
if ( strpos( $Excerpt['text'], '>' ) !== false and preg_match( '/^<((mailto:)?\S+?@\S+?)>/i', $Excerpt['text'], $matches ) ) {
$url = $matches[1];
if ( ! isset( $matches[2] ) ) {
$url = 'mailto:' . $url;
}
return array(
'extent' => strlen( $matches[0] ),
'element' => array(
'name' => 'a',
'text' => $matches[1],
'attributes' => array(
'href' => $url,
),
),
);
}
}
protected function inlineEmphasis( $Excerpt ) {
if ( ! isset( $Excerpt['text'][1] ) ) {
return;
}
$marker = $Excerpt['text'][0];
if ( $Excerpt['text'][1] === $marker and preg_match( $this->StrongRegex[ $marker ], $Excerpt['text'], $matches ) ) {
$emphasis = 'strong';
} elseif ( preg_match( $this->EmRegex[ $marker ], $Excerpt['text'], $matches ) ) {
$emphasis = 'em';
} else {
return;
}
return array(
'extent' => strlen( $matches[0] ),
'element' => array(
'name' => $emphasis,
'handler' => 'line',
'text' => $matches[1],
),
);
}
protected function inlineEscapeSequence( $Excerpt ) {
if ( isset( $Excerpt['text'][1] ) and in_array( $Excerpt['text'][1], $this->specialCharacters ) ) {
return array(
'markup' => $Excerpt['text'][1],
'extent' => 2,
);
}
}
protected function inlineImage( $Excerpt ) {
if ( ! isset( $Excerpt['text'][1] ) or $Excerpt['text'][1] !== '[' ) {
return;
}
$Excerpt['text'] = substr( $Excerpt['text'], 1 );
$Link = $this->inlineLink( $Excerpt );
if ( $Link === null ) {
return;
}
$Inline = array(
'extent' => $Link['extent'] + 1,
'element' => array(
'name' => 'img',
'attributes' => array(
'src' => $Link['element']['attributes']['href'],
'alt' => $Link['element']['text'],
),
),
);
$Inline['element']['attributes'] += $Link['element']['attributes'];
unset( $Inline['element']['attributes']['href'] );
return $Inline;
}
protected function inlineLink( $Excerpt ) {
$Element = array(
'name' => 'a',
'handler' => 'line',
'text' => null,
'attributes' => array(
'href' => null,
'title' => null,
),
);
$extent = 0;
$remainder = $Excerpt['text'];
if ( preg_match( '/\[((?:[^][]|(?R))*)\]/', $remainder, $matches ) ) {
$Element['text'] = $matches[1];
$extent += strlen( $matches[0] );
$remainder = substr( $remainder, $extent );
} else {
return;
}
if ( preg_match( '/^[(]((?:[^ ()]|[(][^ )]+[)])+)(?:[ ]+("[^"]*"|\'[^\']*\'))?[)]/', $remainder, $matches ) ) {
$Element['attributes']['href'] = $matches[1];
if ( isset( $matches[2] ) ) {
$Element['attributes']['title'] = substr( $matches[2], 1, - 1 );
}
$extent += strlen( $matches[0] );
} else {
if ( preg_match( '/^\s*\[(.*?)\]/', $remainder, $matches ) ) {
$definition = strlen( $matches[1] ) ? $matches[1] : $Element['text'];
$definition = strtolower( $definition );
$extent += strlen( $matches[0] );
} else {
$definition = strtolower( $Element['text'] );
}
if ( ! isset( $this->DefinitionData['Reference'][ $definition ] ) ) {
return;
}
$Definition = $this->DefinitionData['Reference'][ $definition ];
$Element['attributes']['href'] = $Definition['url'];
$Element['attributes']['title'] = $Definition['title'];
}
$Element['attributes']['href'] = str_replace( array( '&', '<' ), array( '&', '<' ), $Element['attributes']['href'] );
return array(
'extent' => $extent,
'element' => $Element,
);
}
protected function inlineMarkup( $Excerpt ) {
if ( $this->markupEscaped or strpos( $Excerpt['text'], '>' ) === false ) {
return;
}
if ( $Excerpt['text'][1] === '/' and preg_match( '/^<\/\w*[ ]*>/s', $Excerpt['text'], $matches ) ) {
return array(
'markup' => $matches[0],
'extent' => strlen( $matches[0] ),
);
}
if ( $Excerpt['text'][1] === '!' and preg_match( '/^<!---?[^>-](?:-?[^-])*-->/s', $Excerpt['text'], $matches ) ) {
return array(
'markup' => $matches[0],
'extent' => strlen( $matches[0] ),
);
}
if ( $Excerpt['text'][1] !== ' ' and preg_match( '/^<\w*(?:[ ]*' . $this->regexHtmlAttribute . ')*[ ]*\/?>/s', $Excerpt['text'], $matches ) ) {
return array(
'markup' => $matches[0],
'extent' => strlen( $matches[0] ),
);
}
}
protected function inlineSpecialCharacter( $Excerpt ) {
if ( $Excerpt['text'][0] === '&' and ! preg_match( '/^&#?\w+;/', $Excerpt['text'] ) ) {
return array(
'markup' => '&',
'extent' => 1,
);
}
$SpecialCharacter = array(
'>' => 'gt',
'<' => 'lt',
'"' => 'quot',
);
if ( isset( $SpecialCharacter[ $Excerpt['text'][0] ] ) ) {
return array(
'markup' => '&' . $SpecialCharacter[ $Excerpt['text'][0] ] . ';',
'extent' => 1,
);
}
}
protected function inlineStrikethrough( $Excerpt ) {
if ( ! isset( $Excerpt['text'][1] ) ) {
return;
}
if ( $Excerpt['text'][1] === '~' and preg_match( '/^~~(?=\S)(.+?)(?<=\S)~~/', $Excerpt['text'], $matches ) ) {
return array(
'extent' => strlen( $matches[0] ),
'element' => array(
'name' => 'del',
'text' => $matches[1],
'handler' => 'line',
),
);
}
}
protected function inlineUrl( $Excerpt ) {
if ( $this->urlsLinked !== true or ! isset( $Excerpt['text'][2] ) or $Excerpt['text'][2] !== '/' ) {
return;
}
if ( preg_match( '/\bhttps?:[\/]{2}[^\s<]+\b\/*/ui', $Excerpt['context'], $matches, PREG_OFFSET_CAPTURE ) ) {
$Inline = array(
'extent' => strlen( $matches[0][0] ),
'position' => $matches[0][1],
'element' => array(
'name' => 'a',
'text' => $matches[0][0],
'attributes' => array(
'href' => $matches[0][0],
),
),
);
return $Inline;
}
}
protected function inlineUrlTag( $Excerpt ) {
if ( strpos( $Excerpt['text'], '>' ) !== false and preg_match( '/^<(\w+:\/{2}[^ >]+)>/i', $Excerpt['text'], $matches ) ) {
$url = str_replace( array( '&', '<' ), array( '&', '<' ), $matches[1] );
return array(
'extent' => strlen( $matches[0] ),
'element' => array(
'name' => 'a',
'text' => $url,
'attributes' => array(
'href' => $url,
),
),
);
}
}
# ~
protected function unmarkedText( $text ) {
if ( $this->breaksEnabled ) {
$text = preg_replace( '/[ ]*\n/', "<br />\n", $text );
} else {
$text = preg_replace( '/(?:[ ][ ]+|[ ]*\\\\)\n/', "<br />\n", $text );
$text = str_replace( " \n", "\n", $text );
}
return $text;
}
#
# Handlers
#
protected function element( array $Element ) {
$markup = '<' . $Element['name'];
if ( isset( $Element['attributes'] ) ) {
foreach ( $Element['attributes'] as $name => $value ) {
if ( $value === null ) {
continue;
}
$markup .= ' ' . $name . '="' . $value . '"';
}
}
if ( isset( $Element['text'] ) ) {
$markup .= '>';
if ( isset( $Element['handler'] ) ) {
$markup .= $this->{$Element['handler']}( $Element['text'] );
} else {
$markup .= $Element['text'];
}
$markup .= '</' . $Element['name'] . '>';
} else {
$markup .= ' />';
}
return $markup;
}
protected function elements( array $Elements ) {
$markup = '';
foreach ( $Elements as $Element ) {
$markup .= "\n" . $this->element( $Element );
}
$markup .= "\n";
return $markup;
}
# ~
protected function li( $lines ) {
$markup = $this->lines( $lines );
$trimmedMarkup = trim( $markup );
if ( ! in_array( '', $lines ) and substr( $trimmedMarkup, 0, 3 ) === '<p>' ) {
$markup = $trimmedMarkup;
$markup = substr( $markup, 3 );
$position = strpos( $markup, '</p>' );
$markup = substr_replace( $markup, '', $position, 4 );
}
return $markup;
}
#
# Deprecated Methods
#
function parse( $text ) {
$markup = $this->text( $text );
return $markup;
}
#
# Static Methods
#
final public static function instance( $name = 'default' ) {
if ( isset( self::$instances[ $name ] ) ) {
return self::$instances[ $name ];
}
$instance = new self();
self::$instances[ $name ] = $instance;
return $instance;
}
private static $instances = array();
#
# Fields
#
protected $DefinitionData;
#
# Read-Only
protected $specialCharacters = array(
'\\',
'`',
'*',
'_',
'{',
'}',
'[',
']',
'(',
')',
'>',
'#',
'+',
'-',
'.',
'!',
'|',
);
protected $StrongRegex = array(
'*' => '/^[*]{2}((?:\\\\\*|[^*]|[*][^*]*[*])+?)[*]{2}(?![*])/s',
'_' => '/^__((?:\\\\_|[^_]|_[^_]*_)+?)__(?!_)/us',
);
protected $EmRegex = array(
'*' => '/^[*]((?:\\\\\*|[^*]|[*][*][^*]+?[*][*])+?)[*](?![*])/s',
'_' => '/^_((?:\\\\_|[^_]|__[^_]*__)+?)_(?!_)\b/us',
);
protected $regexHtmlAttribute = '[a-zA-Z_:][\w:.-]*(?:\s*=\s*(?:[^"\'=<>`\s]+|"[^"]*"|\'[^\']*\'))?';
protected $voidElements = array(
'area',
'base',
'br',
'col',
'command',
'embed',
'hr',
'img',
'input',
'link',
'meta',
'param',
'source',
);
protected $textLevelElements = array(
'a',
'br',
'bdo',
'abbr',
'blink',
'nextid',
'acronym',
'basefont',
'b',
'em',
'big',
'cite',
'small',
'spacer',
'listing',
'i',
'rp',
'del',
'code',
'strike',
'marquee',
'q',
'rt',
'ins',
'font',
'strong',
's',
'tt',
'sub',
'mark',
'u',
'xm',
'sup',
'nobr',
'var',
'ruby',
'wbr',
'span',
'time',
);
}
}