Code: Select all
<?php
class HTML_BBCodeParser
{
//An array of tags parsed by the engine
var $_definedTags = array('b' => array( 'htmlopen' => 'strong',
'htmlclose' => 'strong',
'allowed' => 'all',
'attributes'=> array()),
'i' => array( 'htmlopen' => 'em',
'htmlclose' => 'em',
'allowed' => 'all',
'attributes'=> array()),
'u' => array( 'htmlopen' => 'u',
'htmlclose' => 'u',
'allowed' => 'all',
'attributes'=> array()),
's' => array( 'htmlopen' => 'del',
'htmlclose' => 'del',
'allowed' => 'all',
'attributes'=> array()),
'sub' => array( 'htmlopen' => 'sub',
'htmlclose' => 'sub',
'allowed' => 'all',
'attributes'=> array()),
'sup' => array( 'htmlopen' => 'sup',
'htmlclose' => 'sup',
'allowed' => 'all',
'attributes'=> array()),
'list' => array( 'htmlopen' => 'ol',
'htmlclose' => 'ol',
'allowed' => 'none^li',
'attributes'=> array('list' => 'type=%2$s%1$s%2$s', 's' => 'start=%2$s%1$d%2$s')),
'ulist' => array( 'htmlopen' => 'ul',
'htmlclose' => 'ul',
'allowed' => 'none^li',
'attributes'=> array()),
'li' => array( 'htmlopen' => 'li',
'htmlclose' => 'li',
'allowed' => 'all',
'attributes'=> array('li' => 'value=%2$s%1$d%2$s')),
'color' => array( 'htmlopen' => 'span',
'htmlclose' => 'span',
'allowed' => 'all',
'attributes'=> array('color' =>'style=%2$scolor: %1$s%2$s')),
'size' => array( 'htmlopen' => 'span',
'htmlclose' => 'span',
'allowed' => 'all',
'attributes'=> array('size' =>'style=%2$sfont-size: %1$spt%2$s')),
'font' => array( 'htmlopen' => 'span',
'htmlclose' => 'span',
'allowed' => 'all',
'attributes'=> array('font' =>'style=%2$sfont-family: %1$s%2$s')),
'align' => array( 'htmlopen' => 'div',
'htmlclose' => 'div',
'allowed' => 'all',
'attributes'=> array('align' =>'style=%2$stext-align: %1$s%2$s')),
'quote' => array( 'htmlopen' => 'blockquote',
'htmlclose' => 'blockquote',
'allowed' => 'all',
'attributes'=> array()),
'cite' => array( 'htmlopen' => 'cite',
'htmlclose' => 'cite',
'allowed' => 'all',
'attributes'=> array()),
'code' => array( 'htmlopen' => 'code',
'htmlclose' => 'code',
'allowed' => 'all',
'attributes'=> array()),
'img' => array( 'htmlopen' => 'img',
'htmlclose' => '',
'allowed' => 'none',
'attributes'=> array('img' => 'src=%2$s%1$s%2$s', 'w' => 'width=%2$s%1$d%2$s', 'h' => 'height=%2$s%1$d%2$s')),
'url' => array( 'htmlopen' => 'a',
'htmlclose' => 'a',
'allowed' => 'none^img',
'attributes'=> array('url' => 'href=%2$s%1$s%2$s', 't' => 'target=%2$s%1$s%2$s')));
//A string containing the input
var $_text = '';
//A string containing the preparsed input
var $_preparsed = '';
//An array tags and texts build from the input text
var $_tagArray = array();
//A string containing the parsed version of the text
var $_parsed = '';
//An array of options, filled by an ini file or through the contructor
var $_options = array('quotestyle' => 'single',
'quotewhat' => 'all',
'open' => '[',
'close' => ']',
'xmlclose' => true );
// Constructor, initialises the options and filters
function HTML_BBCodeParser($options = array())
{
//Set the options passed as an argument
foreach ($options as $k => $v ) {
$this->_options[$k] = $v;
}
//Add escape open and close chars to the options for preg escaping
$preg_escape = '\^$.[]|()?*+{}';
if (strstr($preg_escape, $this->_options['open'])) {
$this->_options['open_esc'] = "\\".$this->_options['open'];
} else {
$this->_options['open_esc'] = $this->_options['open'];
}
if (strstr($preg_escape, $this->_options['close'])) {
$this->_options['close_esc'] = "\\".$this->_options['close'];
} else {
$this->_options['close_esc'] = $this->_options['close'];
}
}
//Executes statements before the actual array building starts
function _preparse()
{
$o = $this->_options['open'];
$c = $this->_options['close'];
$oe = $this->_options['open_esc'];
$ce = $this->_options['close_esc'];
$this->_preparsed = $this->_text;
//Links
$pattern = array( "!(^|\s|\()((((http(s?)|ftp)://)|www)[-a-z0-9.]+\.[a-z]{2,4}[^\s()]*)!i",
"!".$oe."url(".$ce."|\s.*".$ce.")(.*)".$oe."/url".$ce."!iU");
$replace = array( "\\1".$o."url".$c."\\2".$o."/url".$c,
$o."url=\\2\\1\\2".$o."/url".$c);
$this->_preparsed = preg_replace($pattern, $replace, $this->_preparsed);
//Image
$this->_preparsed = preg_replace("!".$oe."img(".$ce."|\s.*".$ce.")(.*)".$oe."/img".$ce."!Ui", $o."img=\\2\\1".$o."/img".$c, $this->_preparsed);
//List Items
$this->_preparsed = preg_replace("!".$oe."\*".$ce."(.*)!i", $o."li".$c."\\1".$o."/li".$c, $this->_preparsed);
}
/**
* Builds the tag array from the input string $_text
*
* An array consisting of tag and text elements is contructed from the
* $_preparsed variable. The method uses _buildTag() to check if a tag is
* valid and to build the actual tag to be added to the tag array.
*
* TODO: - rewrite whole method, as this one is old and probably slow
* - see if a recursive method would be better than an iterative one
*
* @return none
* @access private
* @see _buildTag()
* @see $_text
* @see $_tagArray
* @author Stijn de Reede <sjr@gmx.co.uk>
*/
function _buildTagArray()
{
$this->_tagArray = array();
$str = $this->_preparsed;
$strPos = 0;
$strLength = strlen($str);
while ( ($strPos < $strLength) ) {
$tag = array();
$openPos = strpos($str, $this->_options['open'], $strPos);
if ($openPos === false) {
$openPos = $strLength;
$nextOpenPos = $strLength;
}
if ($openPos + 1 > $strLength) {
$nextOpenPos = $strLength;
} else {
$nextOpenPos = strpos($str, $this->_options['open'], $openPos + 1);
if ($nextOpenPos === false) {
$nextOpenPos = $strLength;
}
}
$closePos = strpos($str, $this->_options['close'], $strPos);
if ($closePos === false) {
$closePos = $strLength + 1;
}
if ( $openPos == $strPos ) {
if ( ($nextOpenPos < $closePos) ) {
/* new open tag before closing tag: treat as text */
$newPos = $nextOpenPos;
$tag['text'] = substr($str, $strPos, $nextOpenPos - $strPos);
$tag['type'] = 0;
} else {
/* possible valid tag */
$newPos = $closePos + 1;
$newTag = $this->_buildTag(substr($str, $strPos, $closePos - $strPos + 1));
if ( ($newTag !== false) ) {
$tag = $newTag;
} else {
/* no valid tag after all */
$tag['text'] = substr($str, $strPos, $closePos - $strPos + 1);
$tag['type'] = 0;
}
}
} else {
/* just text */
$newPos = $openPos;
$tag['text'] = substr($str, $strPos, $openPos - $strPos);
$tag['type'] = 0;
}
/* join 2 following text elements */
if ($tag['type'] === 0 && isset($prev) && $prev['type'] === 0) {
$tag['text'] = $prev['text'].$tag['text'];
array_pop($this->_tagArray);
}
$this->_tagArray[] = $tag;
$prev = $tag;
$strPos = $newPos;
}
}
/**
* Builds a tag from the input string
*
* This method builds a tag array based on the string it got as an
* argument. If the tag is invalid, <false> is returned. The tag
* attributes are extracted from the string and stored in the tag
* array as an associative array.
*
* @param string string to build tag from
* @return array tag in array format
* @access private
* @see _buildTagArray()
* @author Stijn de Reede <sjr@gmx.co.uk>
*/
function _buildTag($str)
{
$tag = array('text' => $str, 'attributes' => array());
if (substr($str, 1, 1) == '/') { /* closing tag */
$tag['tag'] = substr($str, 2, strlen($str) - 3);
if ( (in_array($tag['tag'], array_keys($this->_definedTags)) == false) ) {
return false; /* nope, it's not valid */
} else {
$tag['type'] = 2;
return $tag;
}
} else { /* opening tag */
$tag['type'] = 1;
if ( (strpos($str, ' ') == true) && (strpos($str, '=') == false) ) {
return false; /* nope, it's not valid */
}
/* tnx to Onno for the regex
split the tag with arguments and all */
$oe = $this->_options['open_esc'];
$ce = $this->_options['close_esc'];
if (preg_match("!$oe([a-z]+)[^$ce]*$ce!i", $str, $tagArray) == 0) {
return false;
}
$tag['tag'] = $tagArray[1];
if ( (in_array($tag['tag'], array_keys($this->_definedTags)) == false) ) {
return false; /* nope, it's not valid */
}
/* tnx to Onno for the regex
validate the arguments */
preg_match_all("=([^\s$ce]+)(?=[\s$ce])!i", $str, $attributeArray, PREG_SET_ORDER);
foreach ($attributeArray as $attribute) {
if ( (in_array($attribute[1], array_keys($this->_definedTags[$tag['tag']]['attributes'])) == true) ) {
$tag['attributes'][$attribute[1]] = $attribute[2];
}
}
return $tag;
}
}
/**
* Validates the tag array, regarding the allowed tags
*
* While looping through the tag array, two following text tags are
* joined, and it is checked that the tag is allowed inside the
* last opened tag.
* By remembering what tags have been opened it is checked that
* there is correct (xml compliant) nesting.
* In the end all still opened tags are closed.
*
* @return none
* @access private
* @see _isAllowed()
* @see $_tagArray
* @author Stijn de Reede <sjr@gmx.co.uk>
*/
function _validateTagArray()
{
$newTagArray = array();
$openTags = array();
foreach ($this->_tagArray as $tag) {
$prevTag = end($newTagArray);
switch ($tag['type']) {
case 0:
if ($prevTag['type'] === 0) {
$tag['text'] = $prevTag['text'].$tag['text'];
array_pop($newTagArray);
}
$newTagArray[] = $tag;
break;
case 1:
if ($this->_isAllowed(end($openTags), $tag['tag']) == false) {
$tag['type'] = 0;
if ($prevTag['type'] === 0) {
$tag['text'] = $prevTag['text'].$tag['text'];
array_pop($newTagArray);
}
} else {
$openTags[] = $tag['tag'];
}
$newTagArray[] = $tag;
break;
case 2:
if ( ($this->_isAllowed(end($openTags), $tag['tag']) == true) || ($tag['tag'] == end($openTags)) ) {
if (in_array($tag['tag'], $openTags)) {
$tmpOpenTags = array();
while (end($openTags) != $tag['tag']) {
$newTagArray[] = $this->_buildTag('[/'.end($openTags).']');
$tmpOpenTags[] = end($openTags);
array_pop($openTags);
}
$newTagArray[] = $tag;
array_pop($openTags);
while (end($tmpOpenTags)) {
$tmpTag = $this->_buildTag('['.end($tmpOpenTags).']');
$newTagArray[] = $tmpTag;
$openTags[] = $tmpTag['tag'];
array_pop($tmpOpenTags);
}
}
} else {
$tag['type'] = 0;
if ($prevTag['type'] === 0) {
$tag['text'] = $prevTag['text'].$tag['text'];
array_pop($newTagArray);
}
$newTagArray[] = $tag;
}
break;
}
}
while (end($openTags)) {
$newTagArray[] = $this->_buildTag('[/'.end($openTags).']');
array_pop($openTags);
}
$this->_tagArray = $newTagArray;
}
/**
* Checks to see if a tag is allowed inside another tag
*
* The allowed tags are extracted from the private _definedTags array.
*
* @param array tag that is on the outside
* @param array tag that is on the inside
* @return boolean return true if the tag is allowed, false
* otherwise
* @access private
* @see _validateTagArray()
* @author Stijn de Reede <sjr@gmx.co.uk>
*/
function _isAllowed($out, $in)
{
if (!$out) return true;
if ($this->_definedTags[$out]['allowed'] == 'all') return true;
if ($this->_definedTags[$out]['allowed'] == 'none') return false;
$ar = explode('^', $this->_definedTags[$out]['allowed']);
$tags = explode(',', $ar[1]);
if ($ar[0] == 'none' && in_array($in, $tags)) return true;
if ($ar[0] == 'all' && in_array($in, $tags)) return false;
return false;
}
/**
* Builds a parsed string based on the tag array
*
* The correct html and atribute values are extracted from the private
* _definedTags array.
*
* @return none
* @access private
* @see $_tagArray
* @see $_parsed
* @author Stijn de Reede <sjr@gmx.co.uk>
*/
function _buildParsedString()
{
$this->_parsed = '';
foreach ($this->_tagArray as $tag) {
switch ($tag['type']) {
/* just text */
case 0:
$this->_parsed .= $tag['text'];
break;
/* opening tag */
case 1:
$this->_parsed .= '<'.$this->_definedTags[$tag['tag']]['htmlopen'];
if ($this->_options['quotestyle'] == 'single') $q = "'";
if ($this->_options['quotestyle'] == 'double') $q = '"';
foreach ($tag['attributes'] as $a => $v) {
if ( ($this->_options['quotewhat'] == 'nothing') ||
($this->_options['quotewhat'] == 'strings') && (is_numeric($v)) ) {
$this->_parsed .= ' '.sprintf($this->_definedTags[$tag['tag']]['attributes'][$a], $v, '');
} else {
$this->_parsed .= ' '.sprintf($this->_definedTags[$tag['tag']]['attributes'][$a], $v, $q);
}
}
if ($this->_definedTags[$tag['tag']]['htmlclose'] == '' && $this->_options['xmlclose']) {
$this->_parsed .= ' /';
}
$this->_parsed .= '>';
break;
/* closing tag */
case 2:
if ($this->_definedTags[$tag['tag']]['htmlclose'] != '') {
$this->_parsed .= '</'.$this->_definedTags[$tag['tag']]['htmlclose'].'>';
}
break;
}
}
}
/**
* Sets text in the object to be parsed
*
* @param string the text to set in the object
* @return none
* @access public
* @see getText()
* @see $_text
* @author Stijn de Reede <sjr@gmx.co.uk>
*/
function setText($str)
{
$this->_text = $str;
}
/**
* Gets the unparsed text from the object
*
* @return string the text set in the object
* @access public
* @see setText()
* @see $_text
* @author Stijn de Reede <sjr@gmx.co.uk>
*/
function getText()
{
return $this->_text;
}
/**
* Gets the preparsed text from the object
*
* @return string the text set in the object
* @access public
* @see _preparse()
* @see $_preparsed
* @author Stijn de Reede <sjr@gmx.co.uk>
*/
function getPreparsed()
{
return $this->_preparsed;
}
/**
* Gets the parsed text from the object
*
* @return string the parsed text set in the object
* @access public
* @see parse()
* @see $_parsed
* @author Stijn de Reede <sjr@gmx.co.uk>
*/
function getParsed()
{
return $this->_parsed;
}
/**
* Parses the text set in the object
*
* @return none
* @access public
* @see _preparse()
* @see _buildTagArray()
* @see _validateTagArray()
* @see _buildParsedString()
* @author Stijn de Reede <sjr@gmx.co.uk>
*/
function parse()
{
$this->_preparse();
$this->_buildTagArray();
$this->_validateTagArray();
$this->_buildParsedString();
}
/**
* Quick method to do setText(), parse() and getParsed at once
*
* @return none
* @access public
* @see parse()
* @see $_text
* @author Stijn de Reede <sjr@gmx.co.uk>
*/
function qparse($str)
{
$this->_text = $str;
$this->parse();
return $this->_parsed;
}
/**
* Quick static method to do setText(), parse() and getParsed at once
*
* @return none
* @access public
* @see parse()
* @see $_text
* @author Stijn de Reede <sjr@gmx.co.uk>
*/
function staticQparse($str)
{
$p = new HTML_BBCodeParser();
$str = $p->qparse($str);
unset($p);
return $str;
}
}
?>Code: Select all
[code]<?php
function createHeader(){
$from = "From: $this->fromName <$this->fromEmail>\r\n";
$replay = "Reply-To: $this->replyEmail\r\n";
$params = "MIME-Version: 1.0\r\n";
$params .= "Content-type: $this->type; charset=$this->characterSet\r\n";
$this->header = $from.$replay.$params;
return $this->header;
}
?>[/code]Code: Select all
[code]<?php
function createHeader(){
$from = "From: $this->fromName <$this->fromEmail>\r\n";
<<-- HERE
$replay = "Reply-To: $this->replyEmail\r\n";
$params = "MIME-Version: 1.0\r\n";
$params .= "Content-type: $this->type; charset=$this->characterSet\r\n";
$this->header = $from.$replay.$params;
return $this->header;
}
?>[/code]Code: Select all
[code]<?php
function createHeader(){
$from = "From: $this->fromName <$this->fromEmail>\r\n";
$replay = "Reply-To: $this->replyEmail\r\n";
$params = "MIME-Version: 1.0\r\n";
$params .= "Content-type: $this->type; charset=$this->characterSet\r\n";
$this->header = $from.$replay.$params;
return $this->header;
}
?>[/code]