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✏️ Editing: parser.php

<?php

/**
 * bbPress BBCode Parser
 *
 * @package bbPress
 * @subpackage Administration
 */

/*
This is a compressed copy of NBBC. Do not edit!

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:

* Redistributions of source code must retain the above copyright
  notice, this list of conditions and the following disclaimer.

* Redistributions in binary form must reproduce the above copyright
  notice, this list of conditions and the following disclaimer in
  the documentation and/or other materials provided with the
  distribution.

THIS SOFTWARE IS PROVIDED BY THE PHANTOM INKER "AS IS" AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

define("BBCODE_VERSION", "1.4.5");
define("BBCODE_RELEASE", "2010-09-17");
define("BBCODE_VERBATIM", 2);
define("BBCODE_REQUIRED", 1);
define("BBCODE_OPTIONAL", 0);
define("BBCODE_PROHIBIT", -1);
define("BBCODE_CHECK", 1);
define("BBCODE_OUTPUT", 2);
define("BBCODE_ENDTAG", 5);
define("BBCODE_TAG", 4);
define("BBCODE_TEXT", 3);
define("BBCODE_NL", 2);
define("BBCODE_WS", 1);
define("BBCODE_EOI", 0);
define("BBCODE_LEXSTATE_TEXT", 0);
define("BBCODE_LEXSTATE_TAG", 1);
define("BBCODE_MODE_SIMPLE", 0);
define("BBCODE_MODE_CALLBACK", 1);
define("BBCODE_MODE_INTERNAL", 2);
define("BBCODE_MODE_LIBRARY", 3);
define("BBCODE_MODE_ENHANCED", 4);
define("BBCODE_STACK_TOKEN", 0);
define("BBCODE_STACK_TEXT", 1);
define("BBCODE_STACK_TAG", 2);
define("BBCODE_STACK_CLASS", 3);
if (!function_exists('str_split')) {
function str_split($string, $split_length = 1) {
$array = explode("\r\n", chunk_split($string, $split_length));
array_pop($array);
return $array;
}
}
$BBCode_SourceDir = dirname(__FILE__);

class BBCodeLexer {
var $token;
var $text;
var $tag;
var $state;
var $input;
var $ptr;
var $unget;
var $verbatim;
var $debug;
var $tagmarker;
var $end_tagmarker;
var $pat_main;
var $pat_comment;
var $pat_comment2;
var $pat_wiki;
function __construct($string, $tagmarker = '[') {
$regex_beginmarkers = Array( '[' => '\[', '<' => '<', '{' => '\{', '(' => '$' );
$regex_endmarkers = Array( '[' => '\]', '<' => '>', '{' => '\}', '(' => '$' );
$endmarkers = Array( '[' => ']', '<' => '>', '{' => '}', '(' => ')' );
if (!isset($regex_endmarkers[$tagmarker])) $tagmarker = '[';
$e = $regex_endmarkers[$tagmarker];
$b = $regex_beginmarkers[$tagmarker];
$this->tagmarker = $tagmarker;
$this->end_tagmarker = $endmarkers[$tagmarker];
$this->pat_main = "/( "
. "{$b}"
. "(?! -- | ' | !-- | {$b}{$b} )"
. "(?: [^\\n\\r{$b}{$e}] | \\\" [^\\\"\\n\\r]* \\\" | \\' [^\\'\\n\\r]* \\' )*"
. "{$e}"
. "| {$b}{$b} (?: [^{$e}\\r\\n] | {$e}[^{$e}\\r\\n] )* {$e}{$e}"
. "| {$b} (?: -- | ' ) (?: [^{$e}\\n\\r]* ) {$e}"
. "| {$b}!-- (?: [^-] | -[^-] | --[^{$e}] )* --{$e}"
. "| -----+"
. "| \\x0D\\x0A | \\x0A\\x0D | \\x0D | \\x0A"
. "| [\\x00-\\x09\\x0B-\\x0C\\x0E-\\x20]+(?=[\\x0D\\x0A{$b}]|-----|$)"
. "| (?<=[\\x0D\\x0A{$e}]|-----|^)[\\x00-\\x09\\x0B-\\x0C\\x0E-\\x20]+"
. " )/Dx";
$this->input = preg_split($this->pat_main, $string, -1, PREG_SPLIT_DELIM_CAPTURE);
$this->pat_comment = "/^ {$b} (?: -- | ' ) /Dx";
$this->pat_comment2 = "/^ {$b}!-- (?: [^-] | -[^-] | --[^{$e}] )* --{$e} $/Dx";
$this->pat_wiki = "/^ {$b}{$b} ([^\\|]*) (?:\\|(.*))? {$e}{$e} $/Dx";
$this->ptr = 0;
$this->unget = false;
$this->state = BBCODE_LEXSTATE_TEXT;
$this->verbatim = false;
$this->token = BBCODE_EOI;
$this->tag = false;
$this->text = "";
}
function BBCodeLexer($string, $tagmarker = '[') {
$this->__construct($string, $tagmarker);
}
function GuessTextLength() {
$length = 0;
$ptr = 0;
$state = BBCODE_LEXSTATE_TEXT;
while ($ptr < count($this->input)) {
$text = $this->input[$ptr++];
if ($state == BBCODE_LEXSTATE_TEXT) {
$state = BBCODE_LEXSTATE_TAG;
$length += strlen($text);
}
else {
switch (ord(substr($this->text, 0, 1))) {
case 10:
case 13:
$state = BBCODE_LEXSTATE_TEXT;
$length++;
break;
default:
$state = BBCODE_LEXSTATE_TEXT;
$length += strlen($text);
break;
case 40:
case 60:
case 91:
case 123:
$state = BBCODE_LEXSTATE_TEXT;
break;
}
}
}
return $length;
}
function NextToken() {
if ($this->unget) {
$this->unget = false;
return $this->token;
}
while (true) {
if ($this->ptr >= count($this->input)) {
$this->text = "";
$this->tag = false;
return $this->token = BBCODE_EOI;
}
$this->text = preg_replace("/[\\x00-\\x08\\x0B-\\x0C\\x0E-\\x1F]/", "",
$this->input[$this->ptr++]);
if ($this->verbatim) {
$this->tag = false;
if ($this->state == BBCODE_LEXSTATE_TEXT) {
$this->state = BBCODE_LEXSTATE_TAG;
$token_type = BBCODE_TEXT;
}
else {
$this->state = BBCODE_LEXSTATE_TEXT;
switch (ord(substr($this->text, 0, 1))) {
case 10:
case 13:
$token_type = BBCODE_NL;
break;
default:
$token_type = BBCODE_WS;
break;
case 45:
case 40:
case 60:
case 91:
case 123:
$token_type = BBCODE_TEXT;
break;
}
}
if (strlen($this->text) > 0)
return $this->token = $token_type;
}
else if ($this->state == BBCODE_LEXSTATE_TEXT) {
$this->state = BBCODE_LEXSTATE_TAG;
$this->tag = false;
if (strlen($this->text) > 0)
return $this->token = BBCODE_TEXT;
}
else {
switch (ord(substr($this->text, 0, 1))) {
case 10:
case 13:
$this->tag = false;
$this->state = BBCODE_LEXSTATE_TEXT;
return $this->token = BBCODE_NL;
case 45:
if (preg_match("/^-----/", $this->text)) {
$this->tag = Array('_name' => 'rule', '_endtag' => false, '_default' => '');
$this->state = BBCODE_LEXSTATE_TEXT;
return $this->token = BBCODE_TAG;
}
else {
$this->tag = false;
$this->state = BBCODE_LEXSTATE_TEXT;
if (strlen($this->text) > 0)
return $this->token = BBCODE_TEXT;
continue 2;
}
default:
$this->tag = false;
$this->state = BBCODE_LEXSTATE_TEXT;
return $this->token = BBCODE_WS;
case 40:
case 60:
case 91:
case 123:
if (preg_match($this->pat_comment, $this->text)) {
$this->state = BBCODE_LEXSTATE_TEXT;
continue 2;
}
if (preg_match($this->pat_comment2, $this->text)) {
$this->state = BBCODE_LEXSTATE_TEXT;
continue 2;
}
if (preg_match($this->pat_wiki, $this->text, $matches)) {
$this->tag = Array('_name' => 'wiki', '_endtag' => false,
'_default' => @$matches[1], 'title' => @$matches[2]);
$this->state = BBCODE_LEXSTATE_TEXT;
return $this->token = BBCODE_TAG;
}
$this->tag = $this->Internal_DecodeTag($this->text);
$this->state = BBCODE_LEXSTATE_TEXT;
return $this->token = ($this->tag['_end'] ? BBCODE_ENDTAG : BBCODE_TAG);
}
}
}
}
function UngetToken() {
if ($this->token !== BBCODE_EOI)
$this->unget = true;
}
function PeekToken() {
$result = $this->NextToken();
if ($this->token !== BBCODE_EOI)
$this->unget = true;
return $result;
}
function SaveState() {
return Array(
'token' => $this->token,
'text' => $this->text,
'tag' => $this->tag,
'state' => $this->state,
'input' => $this->input,
'ptr' => $this->ptr,
'unget' => $this->unget,
'verbatim' => $this->verbatim
);
}
function RestoreState($state) {
if (!is_array($state)) return;
$this->token = @$state['token'];
$this->text = @$state['text'];
$this->tag = @$state['tag'];
$this->state = @$state['state'];
$this->input = @$state['input'];
$this->ptr = @$state['ptr'];
$this->unget = @$state['unget'];
$this->verbatim = @$state['verbatim'];
}
function Internal_StripQuotes($string) {
if (preg_match("/^\\\"(.*)\\\"$/", $string, $matches))
return $matches[1];
else if (preg_match("/^\\'(.*)\\'$/", $string, $matches))
return $matches[1];
else return $string;
}
function Internal_ClassifyPiece($ptr, $pieces) {
if ($ptr >= count($pieces)) return -1;
$piece = $pieces[$ptr];
if ($piece == '=') return '=';
else if (preg_match("/^[\\'\\\"]/", $piece)) return '"';
else if (preg_match("/^[\\x00-\\x20]+$/", $piece)) return ' ';
else return 'A';
}
function Internal_DecodeTag($tag) {
$result = Array('_tag' => $tag, '_endtag' => '', '_name' => '',
'_hasend' => false, '_end' => false, '_default' => false);
$tag = substr($tag, 1, strlen($tag)-2);
$ch = ord(substr($tag, 0, 1));
if ($ch >= 0 && $ch <= 32) return $result;
$pieces = preg_split("/(\\\"[^\\\"]+\\\"|\\'[^\\']+\\'|=|[\\x00-\\x20]+)/",
$tag, -1, PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY);
$ptr = 0;
if (count($pieces) < 1) return $result;
if (@substr($pieces[$ptr], 0, 1) == '/') {
$result['_name'] = strtolower(substr($pieces[$ptr++], 1));
$result['_end'] = true;
}
else {
$result['_name'] = strtolower($pieces[$ptr++]);
$result['_end'] = false;
}
while (($type = $this->Internal_ClassifyPiece($ptr, $pieces)) == ' ')
$ptr++;
$params = Array();
if ($type != '=') {
$result['_default'] = false;
$params[] = Array('key' => '', 'value' => '');
}
else {
$ptr++;
while (($type = $this->Internal_ClassifyPiece($ptr, $pieces)) == ' ')
$ptr++;
if ($type == "\"")
$value = $this->Internal_StripQuotes($pieces[$ptr++]);
else {
$after_space = false;
$start = $ptr;
while (($type = $this->Internal_ClassifyPiece($ptr, $pieces)) != -1) {
if ($type == ' ') $after_space = true;
if ($type == '=' && $after_space) break;
$ptr++;
}
if ($type == -1) $ptr--;
if ($type == '=') {
$ptr--;
while ($ptr > $start && $this->Internal_ClassifyPiece($ptr, $pieces) == ' ')
$ptr--;
while ($ptr > $start && $this->Internal_ClassifyPiece($ptr, $pieces) != ' ')
$ptr--;
}
$value = "";
for (; $start <= $ptr; $start++) {
if ($this->Internal_ClassifyPiece($start, $pieces) == ' ')
$value .= " ";
else $value .= $this->Internal_StripQuotes($pieces[$start]);
}
$value = trim($value);
$ptr++;
}
$result['_default'] = $value;
$params[] = Array('key' => '', 'value' => $value);
}
while (($type = $this->Internal_ClassifyPiece($ptr, $pieces)) != -1) {
while ($type == ' ') {
$ptr++;
$type = $this->Internal_ClassifyPiece($ptr, $pieces);
}
if ($type == 'A' || $type == '"')
$key = strtolower($this->Internal_StripQuotes(@$pieces[$ptr++]));
else if ($type == '=') {
$ptr++;
continue;
}
else if ($type == -1) break;
while (($type = $this->Internal_ClassifyPiece($ptr, $pieces)) == ' ')
$ptr++;
if ($type != '=')
$value = $this->Internal_StripQuotes($key);
else {
$ptr++;
while (($type = $this->Internal_ClassifyPiece($ptr, $pieces)) == ' ')
$ptr++;
if ($type == '"') {
$value = $this->Internal_StripQuotes($pieces[$ptr++]);
}
else if ($type != -1) {
$value = $pieces[$ptr++];
while (($type = $this->Internal_ClassifyPiece($ptr, $pieces)) != -1
&& $type != ' ')
$value .= $pieces[$ptr++];
}
else $value = "";
}
if (substr($key, 0, 1) != '_')
$result[$key] = $value;
$params[] = Array('key' => $key, 'value' => $value);
}
$result['_params'] = $params;
return $result;
}
}

class BBCodeLibrary {
var $default_smileys = Array(
':)' => 'smile.gif', ':-)' => 'smile.gif',
'=)' => 'smile.gif', '=-)' => 'smile.gif',
':(' => 'frown.gif', ':-(' => 'frown.gif',
'=(' => 'frown.gif', '=-(' => 'frown.gif',
':D' => 'bigsmile.gif', ':-D' => 'bigsmile.gif',
'=D' => 'bigsmile.gif', '=-D' => 'bigsmile.gif',
'>:('=> 'angry.gif', '>:-('=> 'angry.gif',
'>=('=> 'angry.gif', '>=-('=> 'angry.gif',
'D:' => 'angry.gif', 'D-:' => 'angry.gif',
'D=' => 'angry.gif', 'D-=' => 'angry.gif',
'>:)'=> 'evil.gif', '>:-)'=> 'evil.gif',
'>=)'=> 'evil.gif', '>=-)'=> 'evil.gif',
'>:D'=> 'evil.gif', '>:-D'=> 'evil.gif',
'>=D'=> 'evil.gif', '>=-D'=> 'evil.gif',
'>;)'=> 'sneaky.gif', '>;-)'=> 'sneaky.gif',
'>;D'=> 'sneaky.gif', '>;-D'=> 'sneaky.gif',
'O:)' => 'saint.gif', 'O:-)' => 'saint.gif',
'O=)' => 'saint.gif', 'O=-)' => 'saint.gif',
':O' => 'surprise.gif', ':-O' => 'surprise.gif',
'=O' => 'surprise.gif', '=-O' => 'surprise.gif',
':?' => 'confuse.gif', ':-?' => 'confuse.gif',
'=?' => 'confuse.gif', '=-?' => 'confuse.gif',
':s' => 'worry.gif', ':-S' => 'worry.gif',
'=s' => 'worry.gif', '=-S' => 'worry.gif',
':|' => 'neutral.gif', ':-|' => 'neutral.gif',
'=|' => 'neutral.gif', '=-|' => 'neutral.gif',
':I' => 'neutral.gif', ':-I' => 'neutral.gif',
'=I' => 'neutral.gif', '=-I' => 'neutral.gif',
':/' => 'irritated.gif', ':-/' => 'irritated.gif',
'=/' => 'irritated.gif', '=-/' => 'irritated.gif',
':\\' => 'irritated.gif', ':-\\' => 'irritated.gif',
'=\\' => 'irritated.gif', '=-\\' => 'irritated.gif',
':P' => 'tongue.gif', ':-P' => 'tongue.gif',
'=P' => 'tongue.gif', '=-P' => 'tongue.gif',
'X-P' => 'tongue.gif',
'8)' => 'bigeyes.gif', '8-)' => 'bigeyes.gif',
'B)' => 'cool.gif', 'B-)' => 'cool.gif',
';)' => 'wink.gif', ';-)' => 'wink.gif',
';D' => 'bigwink.gif', ';-D' => 'bigwink.gif',
'^_^'=> 'anime.gif', '^^;' => 'sweatdrop.gif',
'>_>'=> 'lookright.gif', '>.>' => 'lookright.gif',
'<_<'=> 'lookleft.gif', '<.<' => 'lookleft.gif',
'XD' => 'laugh.gif', 'X-D' => 'laugh.gif',
';D' => 'bigwink.gif', ';-D' => 'bigwink.gif',
':3' => 'smile3.gif', ':-3' => 'smile3.gif',
'=3' => 'smile3.gif', '=-3' => 'smile3.gif',
';3' => 'wink3.gif', ';-3' => 'wink3.gif',
'<g>' => 'teeth.gif', '<G>' => 'teeth.gif',
'o.O' => 'boggle.gif', 'O.o' => 'boggle.gif',
':blue:' => 'blue.gif',
':zzz:' => 'sleepy.gif',
'<3' => 'heart.gif',
':star:' => 'star.gif',
);
var $default_tag_rules = Array(
'b' => Array(
'simple_start' => "<b>",
'simple_end' => "</b>",
'class' => 'inline',
'allow_in' => Array('listitem', 'block', 'columns', 'inline', 'link'),
'plain_start' => "<b>",
'plain_end' => "</b>",
),
'i' => Array(
'simple_start' => "<i>",
'simple_end' => "</i>",
'class' => 'inline',
'allow_in' => Array('listitem', 'block', 'columns', 'inline', 'link'),
'plain_start' => "<i>",
'plain_end' => "</i>",
),
'u' => Array(
'simple_start' => "<u>",
'simple_end' => "</u>",
'class' => 'inline',
'allow_in' => Array('listitem', 'block', 'columns', 'inline', 'link'),
'plain_start' => "<u>",
'plain_end' => "</u>",
),
's' => Array(
'simple_start' => "<strike>",
'simple_end' => "</strike>",
'class' => 'inline',
'allow_in' => Array('listitem', 'block', 'columns', 'inline', 'link'),
'plain_start' => "<i>",
'plain_end' => "</i>",
),
'font' => Array(
'mode' => BBCODE_MODE_LIBRARY,
'allow' => Array('_default' => '/^[a-zA-Z0-9._ -]+$/'),
'method' => 'DoFont',
'class' => 'inline',
'allow_in' => Array('listitem', 'block', 'columns', 'inline', 'link'),
),
'color' => Array(
'mode' => BBCODE_MODE_ENHANCED,
'allow' => Array('_default' => '/^#?[a-zA-Z0-9._ -]+$/'),
'template' => '<span style="color:{$_default/tw}">{$_content/v}</span>',
'class' => 'inline',
'allow_in' => Array('listitem', 'block', 'columns', 'inline', 'link'),
),
'size' => Array(
'mode' => BBCODE_MODE_LIBRARY,
'allow' => Array('_default' => '/^[0-9.]+$/D'),
'method' => 'DoSize',
'class' => 'inline',
'allow_in' => Array('listitem', 'block', 'columns', 'inline', 'link'),
),
'sup' => Array(
'simple_start' => "<sup>",
'simple_end' => "</sup>",
'class' => 'inline',
'allow_in' => Array('listitem', 'block', 'columns', 'inline', 'link'),
),
'sub' => Array(
'simple_start' => "<sub>",
'simple_end' => "</sub>",
'class' => 'inline',
'allow_in' => Array('listitem', 'block', 'columns', 'inline', 'link'),
),
'spoiler' => Array(
'simple_start' => "<span class=\"bbcode_spoiler\">",
'simple_end' => "</span>",
'class' => 'inline',
'allow_in' => Array('listitem', 'block', 'columns', 'inline', 'link'),
),
'acronym' => Array(
'mode' => BBCODE_MODE_ENHANCED,
'template' => '<span class="bbcode_acronym" title="{$_default/e}">{$_content/v}</span>',
'class' => 'inline',
'allow_in' => Array('listitem', 'block', 'columns', 'inline', 'link'),
),
'url' => Array(
'mode' => BBCODE_MODE_LIBRARY,
'method' => 'DoURL',
'class' => 'link',
'allow_in' => Array('listitem', 'block', 'columns', 'inline'),
'content' => BBCODE_REQUIRED,
'plain_start' => "<a href=\"{\$link}\">",
'plain_end' => "</a>",
'plain_content' => Array('_content', '_default'),
'plain_link' => Array('_default', '_content'),
),
'email' => Array(
'mode' => BBCODE_MODE_LIBRARY,
'method' => 'DoEmail',
'class' => 'link',
'allow_in' => Array('listitem', 'block', 'columns', 'inline'),
'content' => BBCODE_REQUIRED,
'plain_start' => "<a href=\"mailto:{\$link}\">",
'plain_end' => "</a>",
'plain_content' => Array('_content', '_default'),
'plain_link' => Array('_default', '_content'),
),
'wiki' => Array(
'mode' => BBCODE_MODE_LIBRARY,
'method' => "DoWiki",
'class' => 'link',
'allow_in' => Array('listitem', 'block', 'columns', 'inline'),
'end_tag' => BBCODE_PROHIBIT,
'content' => BBCODE_PROHIBIT,
'plain_start' => "<b>[",
'plain_end' => "]</b>",
'plain_content' => Array('title', '_default'),
'plain_link' => Array('_default', '_content'),
),
'img' => Array(
'mode' => BBCODE_MODE_LIBRARY,
'method' => "DoImage",
'class' => 'image',
'allow_in' => Array('listitem', 'block', 'columns', 'inline', 'link'),
'end_tag' => BBCODE_REQUIRED,
'content' => BBCODE_REQUIRED,
'plain_start' => "[image]",
'plain_content' => Array(),
),
'rule' => Array(
'mode' => BBCODE_MODE_LIBRARY,
'method' => "DoRule",
'class' => 'block',
'allow_in' => Array('listitem', 'block', 'columns'),
'end_tag' => BBCODE_PROHIBIT,
'content' => BBCODE_PROHIBIT,
'before_tag' => "sns",
'after_tag' => "sns",
'plain_start' => "\n-----\n",
'plain_end' => "",
'plain_content' => Array(),
),
'br' => Array(
'mode' => BBCODE_MODE_SIMPLE,
'simple_start' => "<br />\n",
'simple_end' => "",
'class' => 'inline',
'allow_in' => Array('listitem', 'block', 'columns', 'inline', 'link'),
'end_tag' => BBCODE_PROHIBIT,
'content' => BBCODE_PROHIBIT,
'before_tag' => "s",
'after_tag' => "s",
'plain_start' => "\n",
'plain_end' => "",
'plain_content' => Array(),
),
'left' => Array(
'simple_start' => "\n<div class=\"bbcode_left\" style=\"text-align:left\">\n",
'simple_end' => "\n</div>\n",
'allow_in' => Array('listitem', 'block', 'columns'),
'before_tag' => "sns",
'after_tag' => "sns",
'before_endtag' => "sns",
'after_endtag' => "sns",
'plain_start' => "\n",
'plain_end' => "\n",
),
'right' => Array(
'simple_start' => "\n<div class=\"bbcode_right\" style=\"text-align:right\">\n",
'simple_end' => "\n</div>\n",
'allow_in' => Array('listitem', 'block', 'columns'),
'before_tag' => "sns",
'after_tag' => "sns",
'before_endtag' => "sns",
'after_endtag' => "sns",
'plain_start' => "\n",
'plain_end' => "\n",
),
'center' => Array(
'simple_start' => "\n<div class=\"bbcode_center\" style=\"text-align:center\">\n",
'simple_end' => "\n</div>\n",
'allow_in' => Array('listitem', 'block', 'columns'),
'before_tag' => "sns",
'after_tag' => "sns",
'before_endtag' => "sns",
'after_endtag' => "sns",
'plain_start' => "\n",
'plain_end' => "\n",
),
'indent' => Array(
'simple_start' => "\n<div class=\"bbcode_indent\" style=\"margin-left:4em\">\n",
'simple_end' => "\n</div>\n",
'allow_in' => Array('listitem', 'block', 'columns'),
'before_tag' => "sns",
'after_tag' => "sns",
'before_endtag' => "sns",
'after_endtag' => "sns",
'plain_start' => "\n",
'plain_end' => "\n",
),
'columns' => Array(
'simple_start' => "\n<table class=\"bbcode_columns\"><tbody><tr><td class=\"bbcode_column bbcode_firstcolumn\">\n",
'simple_end' => "\n</td></tr></tbody></table>\n",
'class' => 'columns',
'allow_in' => Array('listitem', 'block', 'columns'),
'end_tag' => BBCODE_REQUIRED,
'content' => BBCODE_REQUIRED,
'before_tag' => "sns",
'after_tag' => "sns",
'before_endtag' => "sns",
'after_endtag' => "sns",
'plain_start' => "\n",
'plain_end' => "\n",
),
'nextcol' => Array(
'simple_start' => "\n</td><td class=\"bbcode_column\">\n",
'class' => 'nextcol',
'allow_in' => Array('columns'),
'end_tag' => BBCODE_PROHIBIT,
'content' => BBCODE_PROHIBIT,
'before_tag' => "sns",
'after_tag' => "sns",
'before_endtag' => "sns",
'after_endtag' => "sns",
'plain_start' => "\n",
'plain_end' => "",
),
'code' => Array(
'mode' => BBCODE_MODE_ENHANCED,
'template' => "\n<div class=\"bbcode_code\">\n<div class=\"bbcode_code_head\">Code:</div>\n<div class=\"bbcode_code_body\" style=\"white-space:pre\">{\$_content/v}</div>\n</div>\n",
'class' => 'code',
'allow_in' => Array('listitem', 'block', 'columns'),
'content' => BBCODE_VERBATIM,
'before_tag' => "sns",
'after_tag' => "sn",
'before_endtag' => "sn",
'after_endtag' => "sns",
'plain_start' => "\n<b>Code:</b>\n",
'plain_end' => "\n",
),
'quote' => Array(
'mode' => BBCODE_MODE_LIBRARY,
'method' => "DoQuote",
'allow_in' => Array('listitem', 'block', 'columns'),
'before_tag' => "sns",
'after_tag' => "sns",
'before_endtag' => "sns",
'after_endtag' => "sns",
'plain_start' => "\n<b>Quote:</b>\n",
'plain_end' => "\n",
),
'list' => Array(
'mode' => BBCODE_MODE_LIBRARY,
'method' => 'DoList',
'class' => 'list',
'allow_in' => Array('listitem', 'block', 'columns'),
'before_tag' => "sns",
'after_tag' => "sns",
'before_endtag' => "sns",
'after_endtag' => "sns",
'plain_start' => "\n",
'plain_end' => "\n",
),
'*' => Array(
'simple_start' => "<li>",
'simple_end' => "</li>\n",
'class' => 'listitem',
'allow_in' => Array('list'),
'end_tag' => BBCODE_OPTIONAL,
'before_tag' => "s",
'after_tag' => "s",
'before_endtag' => "sns",
'after_endtag' => "sns",
'plain_start' => "\n * ",
'plain_end' => "\n",
),
);
function DoURL($bbcode, $action, $name, $default, $params, $content) {
if ($action == BBCODE_CHECK) return true;
$url = is_string($default) ? $default : $bbcode->UnHTMLEncode(strip_tags($content));
if ($bbcode->IsValidURL($url)) {
if ($bbcode->debug)
print "ISVALIDURL<br />";
if ($bbcode->url_targetable !== false && isset($params['target']))
$target = " target=\"" . htmlspecialchars($params['target']) . "\"";
else $target = "";
if ($bbcode->url_target !== false)
if (!($bbcode->url_targetable == 'override' && isset($params['target'])))
$target = " target=\"" . htmlspecialchars($bbcode->url_target) . "\"";
return '<a href="' . htmlspecialchars($url) . '" class="bbcode_url"' . $target . '>' . $content . '</a>';
}
else return htmlspecialchars($params['_tag']) . $content . htmlspecialchars($params['_endtag']);
}
function DoEmail($bbcode, $action, $name, $default, $params, $content) {
if ($action == BBCODE_CHECK) return true;
$email = is_string($default) ? $default : $bbcode->UnHTMLEncode(strip_tags($content));
if ($bbcode->IsValidEmail($email))
return '<a href="mailto:' . htmlspecialchars($email) . '" class="bbcode_email">' . $content . '</a>';
else return htmlspecialchars($params['_tag']) . $content . htmlspecialchars($params['_endtag']);
}
function DoSize($bbcode, $action, $name, $default, $params, $content) {
switch ($default) {
case '0': $size = '.5em'; break;
case '1': $size = '.67em'; break;
case '2': $size = '.83em'; break;
default:
case '3': $size = '1.0em'; break;
case '4': $size = '1.17em'; break;
case '5': $size = '1.5em'; break;
case '6': $size = '2.0em'; break;
case '7': $size = '2.5em'; break;
}
return "<span style=\"font-size:$size\">$content</span>";
}
function DoFont($bbcode, $action, $name, $default, $params, $content) {
$fonts = explode(",", $default);
$result = "";
$special_fonts = Array(
'serif' => 'serif',
'sans-serif' => 'sans-serif',
'sans serif' => 'sans-serif',
'sansserif' => 'sans-serif',
'sans' => 'sans-serif',
'cursive' => 'cursive',
'fantasy' => 'fantasy',
'monospace' => 'monospace',
'mono' => 'monospace',
);
foreach ($fonts as $font) {
$font = trim($font);
if (isset($special_fonts[$font])) {
if (strlen($result) > 0) $result .= ",";
$result .= $special_fonts[$font];
}
else if (strlen($font) > 0) {
if (strlen($result) > 0) $result .= ",";
$result .= "'$font'";
}
}
return "<span style=\"font-family:$result\">$content</span>";
}
function DoWiki($bbcode, $action, $name, $default, $params, $content) {
$name = $bbcode->Wikify($default);
if ($action == BBCODE_CHECK)
return strlen($name) > 0;
$title = trim(@$params['title']);
if (strlen($title) <= 0) $title = trim($default);
return "<a href=\"{$bbcode->wiki_url}$name\" class=\"bbcode_wiki\">"
. htmlspecialchars($title) . "</a>";
}
function DoImage($bbcode, $action, $name, $default, $params, $content) {
if ($action == BBCODE_CHECK) return true;
$content = trim($bbcode->UnHTMLEncode(strip_tags($content)));
if (preg_match("/\\.(?:gif|jpeg|jpg|jpe|png)$/", $content)) {
if (preg_match("/^[a-zA-Z0-9_][^:]+$/", $content)) {
if (!preg_match("/(?:\\/\\.\\.\\/)|(?:^\\.\\.\\/)|(?:^\\/)/", $content)) {
$info = @getimagesize("{$bbcode->local_img_dir}/{$content}");
if ($info[2] == IMAGETYPE_GIF || $info[2] == IMAGETYPE_JPEG || $info[2] == IMAGETYPE_PNG) {
return "<img src=\""
. htmlspecialchars("{$bbcode->local_img_url}/{$content}") . "\" alt=\""
. htmlspecialchars(basename($content)) . "\" width=\""
. htmlspecialchars($info[0]) . "\" height=\""
. htmlspecialchars($info[1]) . "\" class=\"bbcode_img\" />";
}
}
}
else if ($bbcode->IsValidURL($content, false)) {
return "<img src=\"" . htmlspecialchars($content) . "\" alt=\""
. htmlspecialchars(basename($content)) . "\" class=\"bbcode_img\" />";
}
}
return htmlspecialchars($params['_tag']) . htmlspecialchars($content) . htmlspecialchars($params['_endtag']);
}
function DoRule($bbcode, $action, $name, $default, $params, $content) {
if ($action == BBCODE_CHECK) return true;
else return $bbcode->rule_html;
}
function DoQuote($bbcode, $action, $name, $default, $params, $content) {
if ($action == BBCODE_CHECK) return true;
if (isset($params['name'])) {
$title = htmlspecialchars(trim($params['name'])) . " wrote";
if (isset($params['date']))
$title .= " on " . htmlspecialchars(trim($params['date']));
$title .= ":";
if (isset($params['url'])) {
$url = trim($params['url']);
if ($bbcode->IsValidURL($url))
$title = "<a href=\"" . htmlspecialchars($params['url']) . "\">" . $title . "</a>";
}
}
else if (!is_string($default))
$title = "Quote:";
else $title = htmlspecialchars(trim($default)) . " wrote:";
return "\n<div class=\"bbcode_quote\">\n<div class=\"bbcode_quote_head\">"
. $title . "</div>\n<div class=\"bbcode_quote_body\">"
. $content . "</div>\n</div>\n";
}
function DoList($bbcode, $action, $name, $default, $params, $content) {
$list_styles = Array(
'1' => 'decimal',
'01' => 'decimal-leading-zero',
'i' => 'lower-roman',
'I' => 'upper-roman',
'a' => 'lower-alpha',
'A' => 'upper-alpha',
);
$ci_list_styles = Array(
'circle' => 'circle',
'disc' => 'disc',
'square' => 'square',
'greek' => 'lower-greek',
'armenian' => 'armenian',
'georgian' => 'georgian',
);
$ul_types = Array(
'circle' => 'circle',
'disc' => 'disc',
'square' => 'square',
);
$default = trim($default);
if ($action == BBCODE_CHECK) {
if (!is_string($default) || strlen($default) == "") return true;
else if (isset($list_styles[$default])) return true;
else if (isset($ci_list_styles[strtolower($default)])) return true;
else return false;
}
if (!is_string($default) || strlen($default) == "") {
$elem = 'ul';
$type = '';
}
else if ($default == '1') {
$elem = 'ol';
$type = '';
}
else if (isset($list_styles[$default])) {
$elem = 'ol';
$type = $list_styles[$default];
}
else {
$default = strtolower($default);
if (isset($ul_types[$default])) {
$elem = 'ul';
$type = $ul_types[$default];
}
else if (isset($ci_list_styles[$default])) {
$elem = 'ol';
$type = $ci_list_styles[$default];
}
}
if (strlen($type))
return "\n<$elem class=\"bbcode_list\" style=\"list-style-type:$type\">\n$content</$elem>\n";
else return "\n<$elem class=\"bbcode_list\">\n$content</$elem>\n";
}
}

class BBCodeEmailAddressValidator {
function check_email_address($strEmailAddress) {
if (preg_match('/[\x00-\x1F\x7F-\xFF]/', $strEmailAddress)) {
return false;
}
$intAtSymbol = strrpos($strEmailAddress, '@');
if ($intAtSymbol === false) {
return false;
}
$arrEmailAddress[0] = substr($strEmailAddress, 0, $intAtSymbol);
$arrEmailAddress[1] = substr($strEmailAddress, $intAtSymbol + 1);
$arrTempAddress[0] = preg_replace('/"[^"]+"/'
,''
,$arrEmailAddress[0]);
$arrTempAddress[1] = $arrEmailAddress[1];
$strTempAddress = $arrTempAddress[0] . $arrTempAddress[1];
if (strrpos($strTempAddress, '@') !== false) {
return false;
}
if (!$this->check_local_portion($arrEmailAddress[0])) {
return false;
}
if (!$this->check_domain_portion($arrEmailAddress[1])) {
return false;
}
return true;
}
function check_local_portion($strLocalPortion) {
if (!$this->check_text_length($strLocalPortion, 1, 64)) {
return false;
}
$arrLocalPortion = explode('.', $strLocalPortion);
for ($i = 0, $max = sizeof($arrLocalPortion); $i < $max; $i++) {
if (!preg_match('.^('
. '([A-Za-z0-9!#$%&\'*+/=?^_`{|}~-]'
. '[A-Za-z0-9!#$%&\'*+/=?^_`{|}~-]{0,63})'
.'|'
. '("[^\\\"]{0,62}")'
.')$.'
,$arrLocalPortion[$i])) {
return false;
}
}
return true;
}
function check_domain_portion($strDomainPortion) {
if (!$this->check_text_length($strDomainPortion, 1, 255)) {
return false;
}
if (preg_match('/^(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])'
.'(\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])){3}$/'
,$strDomainPortion) ||
preg_match('/^\[(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])'
.'(\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])){3}\]$/'
,$strDomainPortion)) {
return true;
} else {
$arrDomainPortion = explode('.', $strDomainPortion);
if (sizeof($arrDomainPortion) < 2) {
return false;
}
for ($i = 0, $max = sizeof($arrDomainPortion); $i < $max; $i++) {
if (!$this->check_text_length($arrDomainPortion[$i], 1, 63)) {
return false;
}
if (!preg_match('/^(([A-Za-z0-9][A-Za-z0-9-]{0,61}[A-Za-z0-9])|'
.'([A-Za-z0-9]+))$/', $arrDomainPortion[$i])) {
return false;
}
}
}
return true;
}
function check_text_length($strText, $intMinimum, $intMaximum) {
$intTextLength = strlen($strText);
if (($intTextLength < $intMinimum) || ($intTextLength > $intMaximum)) {
return false;
} else {
return true;
}
}
}

class BBCode {
var $tag_rules;
var $defaults;
var $current_class;
var $root_class;
var $lost_start_tags;
var $start_tags;
var $allow_ampersand;
var $tag_marker;
var $ignore_newlines;
var $plain_mode;
var $detect_urls;
var $url_pattern;
var $output_limit;
var $text_length;
var $was_limited;
var $limit_tail;
var $limit_precision;
var $smiley_dir;
var $smiley_url;
var $smileys;
var $smiley_regex;
var $enable_smileys;
var $wiki_url;
var $local_img_dir;
var $local_img_url;
var $url_targetable;
var $url_target;
var $rule_html;
var $pre_trim;
var $post_trim;
var $debug;

/* ADDED */
// singleton instance
private static $instance;

// private constructor function
// to prevent external instantiation
private function __construct()
{
	$this->defaults = new BBCodeLibrary;
	$this->tag_rules = $this->defaults->default_tag_rules;
	$this->smileys = $this->defaults->default_smileys;
	$this->enable_smileys = true;
	$this->smiley_regex = false;
	$this->smiley_dir = $this->GetDefaultSmileyDir();
	$this->smiley_url = $this->GetDefaultSmileyURL();
	$this->wiki_url = $this->GetDefaultWikiURL();
	$this->local_img_dir = $this->GetDefaultLocalImgDir();
	$this->local_img_url = $this->GetDefaultLocalImgURL();
	$this->rule_html = $this->GetDefaultRuleHTML();
	$this->pre_trim = "";
	$this->post_trim = "";
	$this->root_class = 'block';
	$this->lost_start_tags = Array();
	$this->start_tags = Array();
	$this->tag_marker = '[';
	$this->allow_ampsersand = false;
	$this->current_class = $this->root_class;
	$this->debug = false;
	$this->ignore_newlines = false;
	$this->output_limit = 0;
	$this->plain_mode = false;
	$this->was_limited = false;
	$this->limit_tail = "...";
	$this->limit_precision = 0.15;
	$this->detect_urls = false;
	$this->url_pattern = '<a href="{$url/h}">{$text/h}</a>';
	$this->url_targetable = false;
	$this->url_target = false;
}

// getInstance method
public static function getInstance()
{
    if(!self::$instance)
    {
      self::$instance = new self();
    }

return self::$instance;
}
/* ADDED */

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