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wiki_parser.201208081059CST.php
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<?php
/**
* Jungle Wikipedia Syntax Parser
*
* @link https://github.com/donwilson/PHP-Wikipedia-Syntax-Parser
*
* @author Don Wilson <[email protected]>
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
* @package Jungle
* @subpackage Wikipedia Syntax Parser
*
* @todo Add option for extracting only specific types of information - Jungle_WikiSyntax_Parser::set_extract(array('page_attributes', 'major_sections', 'external_links'))
* @todo Toggle debug mode - Jungle_WikiSyntax_Parser::show_debug() and Jungle_WikiSyntax_Parser::hide_debug()
*/
class Jungle_WikiSyntax_Parser {
private static $raw_text;
private $text = "";
private $title = "";
private $cargo = array();
private $options = array(
'page_attributes' => array()
,'wikipedia_meta' => array()
);
// list of subdomains that WikiPedia uses for foreign wikis
private $foreign_wiki_regex = "(en|de|fr|nl|it|pl|es|ru|ja|pt|zh|sv|vi|uk|ca|no|fi|cs|hu|fa|ko|ro|id|tr|ar|sk|eo|da|sr|lt|kk|ms|he|eu|bg|sl|vo|hr|war|hi|et|az|gl|nn|simple|la|el|th|new|sh|roa\-rup|oc|mk|ka|tl|ht|pms|te|ta|be\-x\-old|be|br|lv|ceb|sq|jv|mg|cy|mr|lb|is|bs|my|uz|yo|an|lmo|hy|ml|fy|bpy|pnb|sw|bn|io|af|gu|zh\-yue|ne|nds|ur|ku|ast|scn|su|qu|diq|ba|tt|ga|cv|ie|nap|bat\-smg|map\-bms|wa|als|am|kn|gd|bug|tg|zh\-min\-nan|sco|mzn|yi|yec|hif|roa\-tara|ky|arz|os|nah|sah|mn|ckb|sa|pam|hsb|li|mi|si|co|gan|glk|bar|bo|fo|bcl|ilo|mrj|se|nds\-nl|fiu\-vro|tk|vls|ps|gv|rue|dv|nrm|pag|pa|koi|xmf|rm|km|kv|csb|udm|zea|mhr|fur|mt|wuu|lad|lij|ug|pi|sc|or|zh\-classical|bh|nov|ksh|frr|ang|so|kw|stq|nv|hak|ay|frp|ext|szl|pcd|gag|ie|ln|haw|xal|vep|rw|pdc|pfl|eml|gn|krc|crh|ace|to|ce|kl|arc|myv|dsb|as|bjn|pap|tpi|lbe|mdf|wo|jbo|sn|kab|av|cbk\-zam|ty|srn|lez|kbd|lo|ab|tet|mwl|ltg|na|ig|kg|za|kaa|nso|zu|rmy|cu|tn|chy|chr|got|sm|bi|mo|iu|bm|ik|pih|ss|sd|pnt|cdo|ee|ha|ti|bxr|ts|om|ks|ki|ve|sg|rn|cr|lg|dz|ak|ff|tum|fj|st|tw|xh|ny|ch|ng|ii|cho|mh|aa|kj|ho|mus|kr|hz)";
/**
* @param string $text Raw Wikipedia syntax (found via a Page's Edit textarea or from the Wikiepdia Data Dump page->revision->text)
*/
public function __construct($text, $title="", $user_options=false) {
$this->title = $title;
// remove comments
$text = preg_replace("#". preg_quote("<!--", "#") ."(.*?)". preg_quote("-->", "#") ."#si", "", $text);
$this->text = $text;
$this->raw_text = $text;
if(!empty($user_options) && is_array($user_options)) {
$this->options = $user_options + $this->options;
}
}
/**
* @return array Contents of $this->cargo
*/
public function parse() {
$this->initial_clean();
$this->templates();
$this->page_attributes();
// this extracts and removes citations from $this->text
$this->citations();
$this->sections();
//$this->person_data();
$this->external_links();
$this->categories();
$this->meta_boxes();
$this->foreign_wikis();
//$this->mentions();
$this->attachments();
$this->make_logical_guesses_on_content();
$this->pack_cargo();
return $this->cargo;
}
// Information extractors
/**
* Extract all Wiki templates used
*/
private function templates() {
$templates = array();
//preg_match_all("#(". preg_quote("{{", "#") .")(.*?)(". preg_quote("}}", "#") .")#si", $this->text, $matches);
$text_templates = $this->_find_sub_templates($this->text);
foreach($text_templates[0] as $text_template) {
preg_match("#^\{\{([^\|\:]+)(.*?)\}\}$#si", $text_template, $match);
$template_name = trim($match[1]); // wikisyntax is very case sensitive, so don't use strtolower or similar
if(!empty($this->options['ignore_template_matches'])) {
foreach($this->options['ignore_template_matches'] as $ignore_template_match_regex) {
if(preg_match($ignore_template_match_regex, $template_name)) {
continue 2;
}
}
}
//$template_attributes = trim(ltrim(trim($match[2]), "|")); // remove trailing spaces and starting pipe
$template_attributes = trim(preg_replace("#^(?:[\s|\||\:]*?)#si", "", $match[2]));
$template = array(
'template_key' => $this->compact_to_slug($template_name)
,'template' => $template_name
);
if(strlen($template_attributes) > 0) {
$template_attributes = $this->insert_jungledb_helpers($template_attributes);
//$template_attributes = preg_replace("#\[\[(?:\s*?)([^\|]+?)\|(.+?)\]\]#si", "[[\\1###JNGLDBDEL###\\2]]", $template_attributes);
if((strstr($template_attributes, "=") !== false) || (strstr($template_attributes,"|") !== false)) {
$template_attributes_array = explode("|", $template_attributes);
$template_attributes = array();
foreach($template_attributes_array as $taa_attr) {
$taa_attr = trim($taa_attr);
if(preg_match("#^([A-Za-z0-9\_]+?)\=(.+)$#si", $taa_attr, $taa_attr_match)) {
$template_attributes[ $this->compact_to_slug($taa_attr_match[1]) ] = trim($taa_attr_match[2]);
} else {
$template_attributes[] = trim($taa_attr);
}
}
} else {
$template_attributes = str_ireplace("###JNGLDBDEL###", "|", $template_attributes);
}
$template_attributes = $this->clean_jungledb_helpers($template_attributes);
$template['attributes'] = $template_attributes;
}
//$sub_templates = $this->_find_sub_templates($template['original']); // eventually...
$templates[] = $template;
}
if(!empty($templates)) {
$this->cargo['wikipedia_meta']['templates'] = $templates;
}
}
private function _find_sub_templates($string) {
preg_match_all("/\{{2}((?>[^\{\}]+)|(?R))*\}{2}/x", $string, $matches);
return $matches;
}
/**
* Determine page attributes [if available]
*/
private function page_attributes() {
$page_attributes = array(
'type' => false
);
if($page_attributes['type'] === false && (preg_match("#^(Template|Wikipedia|Portal|User|File|MediaWiki|Template|Category|Book|Help|Course|Institution)\:#si", $this->title, $match))) {
// special wikipedia pages
$page_attributes['type'] = strtolower($match['1']);
}
if($page_attributes['type'] === false && (preg_match("#\#REDIRECT(?:\s*?)\[\[([^\]]+?)\]\]#si", $this->text, $match))) {
// redirection
$page_attributes['type'] = "redirect";
$page_attributes['child_of'] = $match[1];
}
if($page_attributes['type'] === false && (preg_match("#\{\{(disambig|hndis|disamb|hospitaldis|geodis|disambiguation|mountainindex|roadindex|school disambiguation|hospital disambiguation|mathdab|math disambiguation)((\|[^\}]+?)?)\}\}#si", $this->text, $match))) {
// disambiguation file
$page_attributes['type'] = "disambiguation";
$page_attributes['disambiguation_key'] = $this->compact_to_slug($match[1]);
if(strlen(trim($match[2])) > 0) {
$page_attributes['disambiguation_value'] = trim($match[2]);
}
}
if($page_attributes['type'] === false) {
// just a normal page
$page_attributes['type'] = "main";
}
if(preg_match("#\{\{(?:\s*?)Use(?:\s+?)([ymdhs]{3,5})(?:\s+?)date#si", $this->text, $match)) {
$page_attributes['date_format'] = $match[1];
}
if(!empty($page_attributes)) {
$this->cargo['page_attributes'] = $page_attributes;
}
}
/**
* @todo Some pages use {{MLB infobox ... }} instead of {{Infobox MLB ... }} [ex: http://en.wikipedia.org/wiki/Texas_Rangers_(baseball)]. I think {{MLB ...}} is an actual Wikipedia template and not distinctly an Infobox template
*/
private function meta_boxes() {
$meta_boxes = array();
//preg_match_all("#\{\{(?:\s*?)(Infobox|Persondata|Taxobox)(?:\s*?)(.+?)". PHP_EOL ."(.+?)". PHP_EOL ."\}\}". PHP_EOL ."#si", $this->text, $matches);
preg_match_all("/\{{2}((?>[^\{\}]+)|(?R))*\}{2}/x", $this->text, $matches);
//$meta_boxes['_debug'] = $matches;
if(!empty($matches[0])) {
foreach($matches[0] as $key => $raw_template_syntax) {
if(!preg_match("#\{{2}(?:\s*?)(Infobox|Persondata|Taxobox|tracklist)(?:\s+?)(.+?)\}{2}$#si", $raw_template_syntax, $template_type_match)) {
continue;
}
$infobox_values = array();
//$infobox_tmp = $matches[1][$key];
$infobox_tmp = $template_type_match[2];
$infobox_tmp = preg_replace(
array("#<ref[^>]*>(.+?)</ref>#si", "#<ref[^>]*>#si")
,array("", "")
,$infobox_tmp
);
$meta_boxes['_debug'][] = $infobox_tmp;
$_meta_box_type = $this->compact_to_slug($template_type_match[1]);
$infobox_tmp = $this->insert_jungledb_helpers($infobox_tmp);
$infobox_tmp = preg_split("#\|(?:\s*?)([A-Za-z0-9\_\s]+?)(?:\s*)=#si", $infobox_tmp, -1, PREG_SPLIT_DELIM_CAPTURE);
$last_line_key = "";
if((count($infobox_tmp) % 2) == 1) {
$_subtype = $this->compact_to_slug( array_shift($infobox_tmp) );
if(strlen($_subtype) > 0) {
$infobox_values['_subtype'] = $_subtype;
}
}
//$meta_boxes['_debug_split'][] = $infobox_tmp;
$i = 0;
foreach($infobox_tmp as $it_key => $line) {
if((++$i % 2) == 1) {
$last_line_key = $it_key;
continue;
}
$row_key = $this->compact_to_slug( $infobox_tmp[ $last_line_key ] );
$row_value = trim( $line );
$row_value = preg_replace("#('{2,5})(.+?)\\1#si", "\\2", $row_value);
if($row_value == "?") {
continue;
}
if((strlen($row_key) < 1) || (strlen($row_value) < 1)) {
continue;
}
if(in_array($_meta_box_type, array("tracklist"))) {
if(preg_match("#^([A-Za-z]+?)([0-9]+?)$#si", $row_key, $rkmatch)) {
$infobox_values['tracks'][ $rkmatch[2] ][ $rkmatch[1] ] = trim($row_value);
continue;
}
}
// divide lexiconic lists into physical lists
if(preg_match("#s$#si", $row_key)) {
$row_value_test = $row_value;
$row_value_test = preg_replace("#(\[|\{){2}(.+?)(\]|\}){2}#si", " ", $row_value_test);
$row_value_test = preg_replace("#\s{1,}#si", "", $row_value_test);
$row_value_test = preg_replace("#(\-|\,|or|and)#si", "-", $row_value_test);
if(preg_match("#^[\-]{1,}$#si", $row_value_test)) {
$row_value = preg_replace("#(\]|\}){2}(?:\s*?)(?:[\-|\,])(?:\s*?)(\[|\{){2}#si", "\\1\\1<br />\\2\\2", $row_value);
}
}
// change value based on key
if(preg_match("#^(accessdate)$#si", $row_key)) {
$tmp_date = @strtotime($row_value);
if(!empty($tmp_date)) {
$row_value = date("Y-m-d", $tmp_date);
}
unset($tmp_date);
}
if(preg_match("#<(?:\s*?)br(?:\s*?)(/?)(?:\s*?)>#si", $row_value)) {
$row_value = preg_split("#<(?:\s*?)br(?:\s*?)(/?)(?:\s*?)>#si", $row_value, -1, PREG_SPLIT_NO_EMPTY);
}
if(!is_array($row_value)) {
if($row_value == "?") {
continue;
}
if(strlen($row_value) < 1) {
continue;
}
}
$infobox_values[ $row_key ] = $row_value;
}
if(empty($infobox_values) || (isset($infobox_values['_subtype']) && count($infobox_values) == 1)) {
continue;
}
$infobox_values = $this->clean_jungledb_helpers($infobox_values);
$meta_boxes[] = array_merge(
array('_type' => $_meta_box_type)
,$infobox_values
);
}
}
if(!empty($meta_boxes)) {
$this->cargo['meta_boxes'] = $meta_boxes;
}
}
private function sections() {
$section_titles = array();
$sections = array();
$sections_splits = preg_split("#(?:\s{1,})==(?:\s*?)([^=]+?)(?:\s*?)==#si", $this->text, -1, PREG_SPLIT_DELIM_CAPTURE);
if(empty($sections_splits)) {
return;
}
$intro_section = trim(array_shift($sections_splits));
//$intro_section = $this->clean_wiki_text($_intro_section);
if(!empty($sections_splits)) {
foreach($sections_splits as $key => $text) {
if(($key % 2) !== 0) {
continue;
}
$sections[] = trim($text);
}
}
if(!empty($intro_section)) {
$this->cargo['intro'] = $this->clean_wiki_text($intro_section, true);
}
if(!empty($sections)) {
$this->cargo['sections'] = $sections;
}
}
/*
private function sections() {
$this->cargo['sections'] = $this->pull_sections($this->text);
}
private function pull_sections($text_to_parse, $level=0) {
$sections = array();
$section_num = 0;
$sections_splits = preg_split("#(?:\s{1,})(?:={". (2 + $level) ."})(?:\s*?)([^=]+?)(?:\s*?)(?:={". (2 + $level) ."})#si", $text_to_parse, -1, PREG_SPLIT_DELIM_CAPTURE);
if(empty($sections_splits)) {
return false;
}
if(count($sections_splits) > 1) {
$sections['_intro'] = array_shift($sections_splits);
$sections['_intro'] = trim($sections['_intro']);
}
foreach($sections_splits as $key => $contents) {
if(($key % 2) == 0) {
continue;
}
$title = $sections_splits[($key - 1)];
$sections['sections'][$section_num] = array(
'title' => $title
,'text' => trim($contents)
);
$contents = PHP_EOL . $contents . PHP_EOL; // just in case
if(preg_match("#(?:\s{1,})(?:={". (2 + $level + 1) ."})(?:\s*?)([^=]+?)(?:\s*?)(?:={". (2 + $level + 1) ."})#si", $contents)) {
$sections['children'] = $this->pull_sections($contents, ($level + 1));
}
$section_num++;
}
return $sections;
}
*/
private function external_links() {
$external_links = array();
preg_match("#". PHP_EOL ."==(?:\s*?)External(?:\s{1,}?)links(?:\s*?)==(.+?)". PHP_EOL . PHP_EOL ."#si", $this->text, $matches);
if(!empty($matches[1])) {
$lines = explode("\n", trim($matches[1])); // \n is better than PHP_EOL as the line separators in the wiki syntax might not be the same as the OS-specific PHP_EOL [maybe there's a better way of doing this?]
//$this->cargo['debug_el'] = $lines; // temporary
if(!empty($lines)) {
foreach($lines as $line) {
if(preg_match("#^\*(.+?)$#si", trim($line), $match)) {
$line_value = trim($match[1]);
switch(true) {
case preg_match("#\[(?:\s*?)http(s?)\:\/\/([^\s]+?)(?:\s+?)([^\]]+?)(?:\s*?)]#si", $line_value, $lmatch):
$external_links[] = array(
'type' => $this->compact_to_slug("url")
,'attributes' => array(
'url' => "http". $lmatch[1] ."://". $lmatch[2]
,'text' => trim($lmatch[3])
)
);
break;
case preg_match("#\[(?:\s*?)([^\s]+?)(\s+?)http(s?)\:\/\/([^\s]+?)(?:\s*?)]#si", $line_value, $lmatch):
$external_links[] = array(
'type' => $this->compact_to_slug("url")
,'attributes' => array(
'url' => "http". $lmatch[2] ."://". $lmatch[3]
,'text' => trim($lmatch[1])
)
);
break;
case preg_match("#\{\{(?:\s*?)official(?:\s+?)([^\|]+?)\|([^\}\}]+?)\}\}#si", $line_value, $lmatch):
$el_type = $this->compact_to_slug($lmatch[1]);
$external_links[] = array(
'type' => $this->compact_to_slug("official". ((strlen($el_type) > 0)?"_". $el_type:""))
,'attributes' => trim($lmatch[2])
);
break;
case preg_match("#\{\{(?:\s*?)official(?:\s*?)\|([^\}\}]+?)\}\}#si", $line_value, $lmatch):
$el_type = "raw";
$el_value = trim($lmatch[1]);
$el_attr_key = "value";
if(preg_match("#https?\:\/\/#si", $el_value)) {
$el_type = "website";
$el_attr_key = "url";
}
$external_links[] = array(
'type' => $this->compact_to_slug("official_". $el_type)
,'attributes' => array(
$el_attr_key => $el_value
)
);
break;
case preg_match("#\{\{(?:\s*)(iobdb)(((?:\s*)\|([^\|]+?)){1,})\}\}#si", $line_value, $lmatch):
$external_links[] = array(
'type' => $this->compact_to_slug($lmatch[1])
,'attributes' => preg_split("#(\s*?)\|(\s*?)#si", trim($lmatch[2]), -1, PREG_SPLIT_NO_EMPTY)
);
break;
// {{WSJtopic|person/L/spike-lee/5873|Spike Lee}}
case preg_match("#\{\{(?:\s*?)(WSJtopic|NYTtopic|Guardian(?:\s+?)topic)(?:\s*?)\|([^\|]+?)\|([^\|]+?)\}\}#si", $line_value, $lmatch):
$external_links[] = array(
'type' => $this->compact_to_slug($lmatch[1])
,'attributes' => array(
'path' => trim($lmatch[2])
,'name' => trim($lmatch[3])
)
);
break;
case preg_match("#\{\{(?:\s*?)(myspace|facebook|twitter)(?:\s*?)\|([^\}\}]+?)\}\}#si", $line_value, $lmatch):
$external_links[] = array(
'type' => $this->compact_to_slug($lmatch[1])
,'attributes' => array(
'username' => trim($lmatch[2])
)
);
break;
case preg_match("#\{\{(?:\s*?)reverbnation(?:\s*?)\|([^\|]+?)\|([^\}\}]+?)\}\}#si", $line_value, $lmatch):
$external_links[] = array(
'type' => $this->compact_to_slug("reverbnation")
,'attributes' => array(
'username' => $lmatch[1]
,'name' => $lmatch[2]
)
);
break;
case preg_match("#\{\{(?:\s*?)spotify(?:\s*?)\|([^\}\}]+?)\}\}#si", $line_value, $lmatch):
$bits = explode("|", $lmatch[1]);
$spotify_attrs = array(
'code' => $bits[0]
);
if(count($bits) > 1) {
$spotify_attrs['name'] = $bits[1];
}
if(count($bits) > 2) {
$spotify_attrs['type'] = $bits[2];
}
$external_links[] = array(
'type' => $this->compact_to_slug("spotify")
,'attributes' => $spotify_attrs
);
unset($bits, $spotify_attrs);
break;
// {dmoz|aaa|bbb|user}
case preg_match("#\{\{(?:\s*?)dmoz(?:\s*?)\|([^\|]+?)\|([^\|]+?)\|(?:\s*?)user(?:\s*?)\}\}#si", $line_value, $lmatch):
$external_links[] = array(
'type' => $this->compact_to_slug("dmoz")
,'attributes' => array(
'username' => trim($lmatch[1])
,'name' => trim($lmatch[2])
)
);
break;
// {dmoz|xxx|yyy}
case preg_match("#\{\{(?:\s*?)dmoz(?:\s*?)\|([^\|]+?)\|([^\}\}]+?)\}\}#si", $line_value, $lmatch):
$external_links[] = array(
'type' => $this->compact_to_slug("dmoz")
,'attributes' => array(
'category' => trim($lmatch[1])
,'name' => trim($lmatch[2])
)
);
break;
// {dmoz|xxx}
case preg_match("#\{\{(?:\s*?)dmoz(?:\s*?)\|([^\|]+?)\}\}#si", $line_value, $lmatch):
$external_links[] = array(
'type' => $this->compact_to_slug("dmoz")
,'attributes' => array(
'id' => trim($lmatch[1])
)
);
break;
case preg_match("#\{\{(?:\s*?)imdb(?:\s*?)([^\|]+?)\|(?:\s*?)([0-9]+?)(?:\s*?)\}\}#si", $line_value, $lmatch):
$external_links[] = array(
'type' => $this->compact_to_slug("imdb")
,'attributes' => array(
'type' => trim($lmatch[1])
,'id' => ltrim(trim($lmatch[2]), "0")
)
);
break;
case preg_match("#\{\{(?:\s*?)rotten\-tomatoes([^\|]*)\|(?:\s*?)([A-Za-z0-9\-\_]+?)(?:\s*?)\}\}#si", $line_value, $lmatch):
$external_links[] = array(
'type' => $this->compact_to_slug("rotten_tomatoes")
,'attributes' => array(
'id' => ltrim(trim($lmatch[2]), "0")
)
);
break;
case preg_match("#\{\{(?:\s*?)mtv(?:\s*?)([^\|]+?)\|(?:\s*?)([A-Za-z0-9\-\_]+?)(?:\s*?)\}\}#si", $line_value, $lmatch):
$external_links[] = array(
'type' => $this->compact_to_slug("mtv")
,'attributes' => array(
'type' => trim($lmatch[1])
,'id' => trim($lmatch[2])
)
);
break;
case preg_match("#\{\{(?:\s*?)(amg|imcdb)(?:\s*?)([^\|]+?)\|(?:\s*?)([0-9]+?)(?:\s*?)\}\}#si", $line_value, $lmatch):
$external_links[] = array(
'type' => $this->compact_to_slug($lmatch[1])
,'attributes' => array(
'type' => trim($lmatch[2])
,'id' => trim($lmatch[3])
)
);
break;
case preg_match("#\{\{(?:\s*?)allmusic(?:\s*?)\|([^\}\}]+?)\}\}#si", $line_value, $lmatch):
$tmp = array(
'type' => $this->compact_to_slug("allmusic")
,'attributes' => array()
);
$tmp_attrs = explode("|", $lmatch[1]);
if(!empty($tmp_attrs)) {
$tmp['attributes'] = array();
foreach($tmp_attrs as $tmp_value_raw) {
$tmp_value = explode("=", $tmp_value_raw, 2);
$tmp['attributes'][ trim( $tmp_value[0] ) ] = trim( $tmp_value[1] );
}
unset($tmp_value_raw, $tmp_value);
}
$external_links[] = $tmp;
unset($tmp, $tmp_attrs);
break;
case preg_match("#\{{2}(?:\s*?)(imdb|rotten\-tomatoes)(?:\s+?)([A-Za-z0-9\-\_]+?)\|([0-9]+?)\|([^\}]+?)\}{2}#si", $line_value, $lmatch):
$external_links[] = array(
'type' => $this->compact_to_slug($lmatch[1])
,'attributes' => array(
'type' => $this->compact_to_slug($lmatch[2])
,'id' => trim($lmatch[3])
,'name' => trim($lmatch[4])
)
);
break;
case preg_match("#\{\{(?:\s*?)(imdb|discogs|musicbrainz|metacritic|mojo|godtube|fuzzymemories|tv\.com|TV Guide|Ustream|Video|YahooTV|YouTube|Screenonline|Citwf|amg|allmovie|allmusic|bbc|allrovi|bcbd|imcdb|iafd|afdb|bgafd|egafd)(?:\s*?)([^\|]+?)\|([^\}\}]+?)\}\}#si", $line_value, $lmatch):
$tmp = array(
'type' => $this->compact_to_slug($lmatch[1])
,'attributes' => array(
'type' => $this->compact_to_slug($lmatch[2])
)
);
if(strstr($lmatch[3], "=") === false && strstr($lmatch[3], "|") === false) {
$tmp['attributes']['id'] = trim($lmatch[3]);
} elseif(strstr($lmatch[3], "=") === false) {
$tmp_attrs = explode("|", $lmatch[3]);
// trust that the first entity is usually always the external key
$tmp['attributes']['id'] = trim( array_shift($tmp_attrs) );
$tmp['attributes']['name'] = trim( array_shift($tmp_attrs) );
} else {
$tmp_attrs = explode("|", $lmatch[3]);
if(!empty($tmp_attrs)) {
foreach($tmp_attrs as $tmp_value_raw) {
$tmp_value = explode("=", $tmp_value_raw, 2);
$tmp['attributes'][ trim( @$tmp_value[0] ) ] = trim( @$tmp_value[1] );
}
unset($tmp_value_raw, $tmp_value);
}
}
$external_links[] = $tmp;
unset($tmp, $tmp_attrs);
break;
// [rotten-tomatoes|the-fast-and-the-furious-tokyo-drift|The Fast and the Furious: Tokyo Drift]
case preg_match("#\{{2}(?:\s*?)(tv\.com|rotten\-tomatoes)(?:\s*?)\|([^\|]+?)\|([^\}]+?)\}{2}#si", $line_value, $lmatch):
$external_links[] = array(
'type' => $this->compact_to_slug($lmatch[1])
,'attributes' => array(
'id' => trim($lmatch[2])
,'name' => trim($lmatch[3])
)
);
break;
default:
$external_links[] = array(
'type' => $this->compact_to_slug("raw")
,'text' => $line_value
);
// ............... eventually ignore any malformed text ............... //
}
}
}
}
}
if(!empty($external_links)) {
$this->cargo['external_links'] = $external_links;
}
}
private function categories() {
$categories = array();
preg_match_all("#\[\[(?:\s*?)Category(?:\s*?)\:([^\]\]]+?)\]\]#si", $this->text, $matches);
if(!empty($matches[0])) {
foreach($matches[1] as $nil => $mvalue) {
$categories[] = trim(trim(trim($mvalue), "|"));
}
}
if(!empty($categories)) {
$this->cargo['wikipedia_meta']['categories'] = $categories;
}
}
private function foreign_wikis() {
$foreign_wikis = array();
preg_match_all("#\[\[(?:\s*?)". $this->foreign_wiki_regex ."(?:\s*?)\:([^\]]+?)\]\]#si", $this->text, $matches);
if(!empty($matches[0])) {
foreach($matches[0] as $mkey => $nil) {
$foreign_wikis[ $matches[1][$mkey] ] = trim($matches[2][$mkey]);
}
}
if(!empty($foreign_wikis)) {
$this->cargo['wikipedia_meta']['foreign_wiki'] = $foreign_wikis;
}
}
private function citations() {
$citations = array();
// required keys for each citation type
$citation_types = array();
$citation_types['web'] = array("title", "url");
$citation_types['journal'] = array("journal|periodical");
$citation_types['conference'] = array("title", "booktitle");
$citation_types['encyclopedia'] = array("encyclopedia|contribution");
$citation_types['news_article'] = array("newspaper|magazine");
$citation_types['patent'] = array("inventor-last");
preg_match_all("#<ref([^/>]*?)>(.+?)</ref>#si", $this->text, $matches);
if(!empty($matches[0])) {
foreach($matches[0] as $cite_text) {
$cite_text = trim(preg_replace("#<(?:\s*?)/?(?:\s*?)ref(?:[^>]*?)>#si", "", $cite_text));
if(empty($cite_text)) {
continue;
}
if(preg_match("#\{\{(?:\s*?)dead link#si", $cite_text)) {
continue; // no need to record dead links
}
if(preg_match("#\{\{(?:\s*?)(cite|Citation)([^\}\}]+?)\}\}#si", $cite_text, $cite_match)) {
// {{cite *}}
$cite_match_tag_type = $this->compact_to_slug($cite_match[1]);
$cite_match_bits = explode("|", $cite_match[2]);
if($cite_match_tag_type == "citation") {
if(!empty($cite_match_tag_type)) {
continue;
}
$cite_match_type = false;
} else {
$cite_match_type = $this->compact_to_slug(array_shift($cite_match_bits));
}
$cite_match_attrs = array();
if(!empty($cite_match_bits)) {
foreach($cite_match_bits as $cmb_string) {
$cmb_bits = explode("=", $cmb_string, 2);
if(count($cmb_bits) == 0) {
continue;
} elseif(count($cmb_bits) == 1) {
$cmb_bits[0] = trim($cmb_bits[0]);
if(strlen($cmb_bits[0]) > 0) {
// singular value
$cite_match_attrs[] = $cmb_bits[0];
}
} else {
$cmb_bits[0] = trim($cmb_bits[0]);
$cmb_bits[1] = trim($cmb_bits[1]);
if((strlen($cmb_bits[0]) > 0) && (strlen($cmb_bits[1]) > 0)) {
$cite_match_attrs[ $this->compact_to_slug($cmb_bits[0]) ] = trim( html_entity_decode($cmb_bits[1]) );
}
}
}
ksort($cite_match_attrs);
}
if($cite_match_type === false) {
// {{Citation}} used, match against required attributes to determine citation type, re: http://en.wikipedia.org/wiki/Wikipedia:Citation_templates#Examples
foreach($citation_types as $citation_type => $citation_match_against) {
$citation_type_match_status = true;
foreach($citation_match_against as $citation_match_reqd_keys) {
if(strstr($citation_match_reqd_keys, "|") !== false) {
// split up
$citation_match_reqd_keys_bits = explode("|", $citation_match_reqd_keys);
$reqd_keys_bits_match = false;
foreach($citation_match_reqd_keys_bits as $reqd_key_bit) {
if(array_key_exists($reqd_key_bit, $cite_match_attrs)) {
$reqd_keys_bits_match = true;
}
}
if($reqd_keys_bits_match === false) {
$citation_type_match_status = false;
}
} else {
if(!array_key_exists($citation_match_reqd_keys, $cite_match_attrs)) {
$citation_type_match_status = false;
}
}
if($citation_type_match_status === false) {
break;
}
}
if($citation_type_match_status === true) {
$cite_match_type = $citation_type;
break;
}
}
if($cite_match_type === false) {
$cite_match_type = "unknown";
}
}
$citations[] = array(
'_type' => $cite_match_type // use '_type' instead of 'type' since future templates might allow attribute 'type' : http://en.wikipedia.org/wiki/Wikipedia:Citation_templates#Examples
//,'_raw' => $cite_text
) + $cite_match_attrs;
continue;
}
// just record raw text
$citations[] = array(
'_type' => "raw"
,'_raw' => $cite_text
);
}
}
// get rid of them
$this->text = preg_replace("#\{\{(?:\s*?)(cite|Citation)([^\}\}]+?)\}\}#si", "", $this->text);
if(!empty($citations)) {
$this->cargo['wikipedia_meta']['citations'] = $citations;
}
}
private function mentions() {
$mentions = array();
preg_match_all("#\[\[([^\]\]]+?)\]\]#si", $this->text, $matches);
if(empty($matches[0])) {
return false;
}
foreach($matches[0] as $mention) {
$mention = trim($mention);
if(preg_match("#^". $this->foreign_wiki_regex ."(?:\s*?)\:#si")) {
// other language, not really needed
continue;
}
// split up actual from display text?
$mention = $this->clean_jungledb_helpers($mention);
$mention = array_shift(explode("|", $mention, 2));
$mentions[] = $mention;
}
if(!empty($mentions)) {
$mentions = array_values(array_unique($mentions));
$this->cargo['wikipedia_meta']['mentions'] = $mentions;
}
}
private function attachments() {
$attachments = array();
//preg_match_all("#\[\[(?:\s*?)(Image|File)\:([^\]\]]+?)\]\]#si", $this->text, $matches);
preg_match_all("/\[{2}((?>[^\[\]]+)|(?R))*\]{2}/x", $this->text, $matches);
if(empty($matches)) {
return;
}
foreach($matches[0] as $mkey => $mraw) {
if(!preg_match("#\[{2}(?:\s*)(File|Image)\:(.+?)\]{2}$#si", $mraw, $attachment_typer)) {
continue;
}
$attachment_typer[2] = $this->insert_jungledb_helpers($attachment_typer[2]);
$attachment_details = explode("|", $attachment_typer[2], 2);
$attachment = array(
'_raw' => $mraw
,'type' => $attachment_typer[1]
,'filename' => $attachment_details[0]
);
if(!empty($attachment_details[1])) {
$attr_details_attrs = explode("|", $attachment_details[1]);
$attachment['attributes'] = array();
foreach($attr_details_attrs as $adas_bit) {
$adas_bit = trim($adas_bit);
if(strlen($adas_bit) < 1) {
continue;
}
if(preg_match("#^[0-9]*?x?[0-9]+px$#si", $adas_bit) || preg_match("#^upright(=(.*)?)?$#si", $adas_bit)) {
$attachment['attributes']['size'] = $adas_bit;
} elseif(preg_match("#^(left|right|center|none)$#si", $adas_bit)) {
$attachment['attributes']['location'] = $adas_bit;
} elseif(preg_match("#^(thumb|thumbnail|frame|framed|frameless)$#si", $adas_bit)) {
$attachment['attributes']['type'] = $adas_bit;
} elseif(preg_match("#^(baseline|middle|sub|super|text\-top|text\-bottom|top|bottom)$#si", $adas_bit)) {
$attachment['attributes']['alignment'] = $adas_bit;
} elseif(preg_match("#^alt(?:\s*)=(.+?)$#si", $adas_bit, $aba_match)) {
$attachment['attributes']['alt'] = $aba_match[1];
} else {
$attachment['attributes'][] = $adas_bit;
}
if(isset($attachment['attributes'][0]) && !isset($attachment['attributes'][1])) {
$attachment['attributes']['caption'] = $attachment['attributes'][0];
unset($attachment['attributes'][0]);
}
}
}
$attachments[] = $attachment;
unset($attachment);
}
if(!empty($attachments)) {
$this->cargo['wikipedia_meta']['attachments'] = $attachments;
}
}
// Preparation utilities
private function initial_clean() {
// strip out the crap we don't need
$this->cargo['title'] = trim($this->title);
$this->text = preg_replace("#<!\-\-(.+?)\-\->#si", "", $this->text); // get rid of unneeded Editor comments
$this->text = preg_replace("#<(?:\s*?)(/?)(?:\s*?)(small|ref)([^>]*?)>#si", "", $this->text); // get rid of specific unneeded tags
$this->text = preg_replace("#". preg_quote(" ", "#") ."#si", " ", $this->text); // get rid of ascii spaces
$this->text = str_replace("–", "-", $this->text);
$this->text = preg_replace("#<(?:\s*?)noinclude(?:[^>]*?)>(.+?)<(?:\s*?)/(?:\s*?)noinclude(?:[^>]*?)>#si", "\n\n", $this->text); // get rid of unneeded Editor comments
// remove wiki link title replacers and sub-article anchors from wiki link elements
$this->text = preg_replace("#(?:\[{2})([^\:\]]+?)(\||\#)(.*?)(?:\]{2})#i", "[[\\1]]", $this->text);
// remove very specific wiki syntax template calls
// {{nowrap|xxx}} -> xxx