\n";
$this->deflist = true;
switch($matches[1]) {
case ';':
$term = $matches[2];
$p = strpos($term,' :');
if ($p!==false) {
list($term,$definition) = explode(':',$term);
$output .= "- {$term}
- {$definition}
";
} else {
$output .= "- {$term}
";
}
break;
case ':':
$definition = $matches[2];
$output .= "- {$definition}
\n";
break;
}
return $output;
}
function handle_preformat($matches,$close=false) {
if ($close) {
$this->preformat = false;
return "\n";
}
$this->stop_all = true;
$output = "";
if (!$this->preformat) $output .= "";
$this->preformat = true;
$output .= $matches[1];
return $output."\n";
}
function handle_horizontalrule($matches) {
return "
";
}
function wiki_link($topic) {
return ucfirst(str_replace(' ','_',$topic));
}
function handle_image($href,$title,$options) {
if ($this->ignore_images) return "";
if (!$this->image_uri) return $title;
$href = $this->image_uri . $href;
$imagetag = sprintf(
'
',
$href,
$title
);
foreach ($options as $k=>$option) {
switch($option) {
case 'frame':
$imagetag = sprintf(
'',
$imagetag,
$title
);
break;
case 'right':
$imagetag = sprintf(
'%s
',
$imagetag
);
break;
}
}
return $imagetag;
}
function handle_internallink($matches) {
//var_dump($matches);
$nolink = false;
$href = $matches[4];
$title = $matches[6] ? $matches[6] : $href.$matches[7];
$namespace = $matches[3];
if ($namespace=='Image') {
$options = explode('|',$title);
$title = array_pop($options);
return $this->handle_image($href,$title,$options);
}
$title = preg_replace('/\(.*?\)/','',$title);
$title = preg_replace('/^.*?\:/','',$title);
if ($this->reference_wiki) {
$href = $this->reference_wiki.($namespace?$namespace.':':'').$this->wiki_link($href);
} else {
$nolink = true;
}
if ($nolink) return $title;
return sprintf(
'%s',
$href,
($newwindow?' target="_blank"':''),
$title
);
}
function handle_externallink($matches) {
$href = $matches[2];
$title = $matches[3];
if (!$title) {
$this->linknumber++;
$title = "[{$this->linknumber}]";
}
$newwindow = true;
return sprintf(
'%s',
$href,
($newwindow?' target="_blank"':''),
$title
);
}
function emphasize($amount) {
$amounts = [
2=>['',''],
3=>['',''],
4=>['',''],
5=>['',''],
];
$output = "";
// handle cases where emphasized phrases end in an apostrophe, eg: ''somethin'''
// should read somethin' rather than somethin
if ( (!$this->emphasis[$amount]) && ($this->emphasis[$amount-1]) ) {
$amount--;
$output = "'";
}
$output .= $amounts[$amount][(int) $this->emphasis[$amount]];
$this->emphasis[$amount] = !$this->emphasis[$amount];
return $output;
}
function handle_emphasize($matches) {
$amount = strlen($matches[1]);
return $this->emphasize($amount);
}
function emphasize_off() {
$output = "";
foreach ($this->emphasis as $amount=>$state) {
if ($state) $output .= $this->emphasize($amount);
}
return $output;
}
function handle_eliminate($matches) {
return "";
}
function handle_variable($matches) {
switch($matches[2]) {
case 'CURRENTMONTH': return date('m');
case 'CURRENTMONTHNAMEGEN':
case 'CURRENTMONTHNAME': return date('F');
case 'CURRENTDAY': return date('d');
case 'CURRENTDAYNAME': return date('l');
case 'CURRENTYEAR': return date('Y');
case 'CURRENTTIME': return date('H:i');
case 'NUMBEROFARTICLES': return 0;
case 'PAGENAME': return $this->page_title;
case 'NAMESPACE': return 'None';
case 'SITENAME': return $_SERVER['HTTP_HOST'];
default: return '';
}
}
function parse_line($line) {
$line_regexes = [
'preformat'=>'^\s(.*?)$',
'definitionlist'=>'^([\;\:])\s*(.*?)$',
'newline'=>'^$',
'list'=>'^([\*\#]+)(.*?)$',
'sections'=>'^(={1,6})(.*?)(={1,6})$',
'horizontalrule'=>'^----$',
];
$char_regexes = [
// 'link'=>'(\[\[((.*?)\:)?(.*?)(\|(.*?))?\]\]([a-z]+)?)',
'internallink'=>'('.
'\[\['. // opening brackets
'(([^\]]*?)\:)?'. // namespace (if any)
'([^\]]*?)'. // target
'(\|([^\]]*?))?'. // title (if any)
'\]\]'. // closing brackets
'([a-z]+)?'. // any suffixes
')',
'externallink'=>'('.
'\['.
'([^\]]*?)'.
'(\s+[^\]]*?)?'.
'\]'.
')',
'emphasize'=>'(\'{2,5})',
'eliminate'=>'(__TOC__|__NOTOC__|__NOEDITSECTION__)',
'variable'=>'('. '\{\{' . '([^\}]*?)' . '\}\}' . ')',
];
$this->stop = false;
$this->stop_all = false;
$called = [];
$line = rtrim($line);
foreach ($line_regexes as $func=>$regex) {
if (preg_match("/$regex/i",$line,$matches)) {
$called[$func] = true;
$func = "handle_".$func;
$line = $this->$func($matches);
if ($this->stop || $this->stop_all) break;
}
}
if (!$this->stop_all) {
$this->stop = false;
foreach ($char_regexes as $func=>$regex) {
$line = preg_replace_callback("/$regex/i",[&$this,"handle_".$func],$line);
if ($this->stop) break;
}
}
$isline = strlen(trim($line))>0;
// if this wasn't a list item, and we are in a list, close the list tag(s)
if (($this->list_level>0) && !$called['list']) $line = $this->handle_list(false,true) . $line;
if ($this->deflist && !$called['definitionlist']) $line = $this->handle_definitionlist(false,true) . $line;
if ($this->preformat && !$called['preformat']) $line = $this->handle_preformat(false,true) . $line;
// suppress linebreaks for the next line if we just displayed one; otherwise re-enable them
if ($isline) $this->suppress_linebreaks = ($called['newline'] || $called['sections']);
return $line;
}
function parse($text,$title = '') {
$this->nowikis
= $this->code
= $this->list_level_types
= [];
$this->list_level
= $this->linknumber
= 0;
$this->deflist
= $this->suppress_linebreaks
= $this->redirect
= false;
$this->page_title = $title;
$output = '';
$text = preg_replace_callback('/([\s\S]*?)<\/nowiki>/i',[&$this,'handle_save_nowiki'],$text);
$text = preg_replace_callback('/([\s\S]*?)<\/code>/i',[&$this,'handle_save_code'],$text);
$lines = explode("\n",$text);
if (preg_match('/^\#REDIRECT\s+\[\[(.*?)\]\]$/',trim($lines[0]),$matches)) {
$this->redirect = $matches[1];
}
foreach ($lines as $k=>$line) {
$line = $this->parse_line($line);
$output .= $line;
}
$out = explode(' ',$output);
foreach ($out as $i => $outitem) {
$out[$i] = preg_replace('/(http|ftp|https)\:\/\/[\w\.\/;:-=\+&!@#$%^&*\(\)_\,\"\'\[\]\{\}\?\|]+/i','$0',$outitem).' ';
}
$output = implode(' ',$out);
$output = preg_replace_callback('/<\/nowiki>/i',[&$this,'handle_restore_nowiki'],$output);
$output = preg_replace_callback('/<\/code>/i',[&$this,'handle_restore_code'],$output);
return $output;
}
function handle_save_nowiki($matches) {
array_push($this->nowikis,$matches[1]);
return '';
}
function handle_restore_nowiki($matches) {
return array_pop($this->nowikis);
}
function handle_save_code($matches) {
array_push($this->code,$matches[1]);
return ''.htmlspecialchars(array_shift($this->code)).'
';
}
public static function output($content) {
$wiki = new Cana_Wiki;
ob_start();
$content = $wiki->parse($content);
ob_end_clean();
return $content;
}
public static function strip($content) {
$content = stripslashes($content);
$content = str_replace('',"\n",$content);
$content = htmlspecialchars_decode($content);
$content = strip_tags($content,'<%asp>');
$replace = [
'/\.*?\<\/ul\>/i',
'/\.*?\<\/ol\>/i'
];
$content = preg_replace_callback($replace,'Cana_Wiki::stripReplace',$content);
$find = [
'/\<(b|li|i|s|u|a|li|code).*?(style|onclick|onmouseover|onblur|onactive).*?\>/i',
'/“/', // left side double smart quote
'/”/', // right side double smart quote
'/‘/', // left side single smart quote
'/’/', // right side single smart quote
'/…/', // elipsis
'/—/', // em dash
'/–/', // en dash
'/ﾔ|ﾕ/',
'/ﾒ|ﾓ/',
'/‘|’/',
'/“|”/',
'/\(.*?)\<\/i\>/i',
'/\(.*?)\<\/b\>/i'
];
$replace = [
'',
'"',
'"',
"'",
"'",
"...",
"-",
"-",
'¥',
'"',
"'",
'"',
"''\\1''",
"'''\\1'''"
];
$content = preg_replace($find, $replace, $content);
return $content;
}
public static function stripReplace($content) {
$content = $content[0];
if (strpos($content,'') !== false) {
$type = 'ol';
} else {
$type = 'ul';
}
$content = strip_tags($content, '- ');
$content = preg_replace('/\<\/li\>/i',"\n",$content);
switch ($type) {
case 'ol':
$content = preg_replace('/\/i','# ',$content);
break;
case 'ul':
$content = preg_replace('/\/i','* ',$content);
break;
}
return $content;
}
}