var $search = array(
"/\r/", // Non-legal carriage return
"/[\n\t]+/", // Newlines and tabs
- '/[ ]{2,}/', // Runs of spaces, pre-handling
'/<script[^>]*>.*?<\/script>/i', // <script>s -- which strip_tags supposedly has problems with
'/<style[^>]*>.*?<\/style>/i', // <style>s -- which strip_tags supposedly has problems with
'/<p[^>]*>/i', // <P>
'/(<table[^>]*>|<\/table>)/i', // <table> and </table>
'/(<tr[^>]*>|<\/tr>)/i', // <tr> and </tr>
'/<td[^>]*>(.*?)<\/td>/i', // <td> and </td>
- '/&(nbsp|#160);/i', // Non-breaking space
- '/&(quot|rdquo|ldquo|#8220|#8221|#147|#148);/i',
- // Double quotes
- '/&(apos|rsquo|lsquo|#8216|#8217);/i', // Single quotes
- '/>/i', // Greater-than
- '/</i', // Less-than
- '/&(copy|#169);/i', // Copyright
- '/&(trade|#8482|#153);/i', // Trademark
- '/&(reg|#174);/i', // Registered
- '/&(mdash|#151|#8212);/i', // mdash
- '/&(ndash|minus|#8211|#8722);/i', // ndash
- '/&(bull|#149|#8226);/i', // Bullet
- '/&(pound|#163);/i', // Pound sign
- '/&(euro|#8364);/i', // Euro sign
- '/&(amp|#38);/i', // Ampersand: see _converter()
- '/[ ]{2,}/' // Runs of spaces, post-handling
);
/**
var $replace = array(
'', // Non-legal carriage return
' ', // Newlines and tabs
- ' ', // Runs of spaces, pre-handling
'', // <script>s -- which strip_tags supposedly has problems with
'', // <style>s -- which strip_tags supposedly has problems with
"\n\n", // <P>
"\n\n", // <table> and </table>
"\n", // <tr> and </tr>
"\t\t\\1\n", // <td> and </td>
+ );
+
+ /**
+ * List of preg* regular expression patterns to search for,
+ * used in conjunction with $ent_replace.
+ *
+ * @var array $ent_search
+ * @access public
+ * @see $ent_replace
+ */
+ var $ent_search = array(
+ '/&(nbsp|#160);/i', // Non-breaking space
+ '/&(quot|rdquo|ldquo|#8220|#8221|#147|#148);/i',
+ // Double quotes
+ '/&(apos|rsquo|lsquo|#8216|#8217);/i', // Single quotes
+ '/>/i', // Greater-than
+ '/</i', // Less-than
+ '/&(copy|#169);/i', // Copyright
+ '/&(trade|#8482|#153);/i', // Trademark
+ '/&(reg|#174);/i', // Registered
+ '/&(mdash|#151|#8212);/i', // mdash
+ '/&(ndash|minus|#8211|#8722);/i', // ndash
+ '/&(bull|#149|#8226);/i', // Bullet
+ '/&(pound|#163);/i', // Pound sign
+ '/&(euro|#8364);/i', // Euro sign
+ '/&(amp|#38);/i', // Ampersand: see _converter()
+ '/[ ]{2,}/', // Runs of spaces, post-handling
+ );
+
+ /**
+ * List of pattern replacements corresponding to patterns searched.
+ *
+ * @var array $ent_replace
+ * @access public
+ * @see $ent_search
+ */
+ var $ent_replace = array(
' ', // Non-breaking space
'"', // Double quotes
"'", // Single quotes
'£',
'EUR', // Euro sign. \80 ?
'|+|amp|+|', // Ampersand: see _converter()
- ' ' // Runs of spaces, post-handling
+ ' ', // Runs of spaces, post-handling
);
/**
* @see _build_link_list()
*/
var $_link_list = '';
-
+
/**
* Number of valid links detected in the text, used for plain text
* display (rendered similar to footnotes).
*/
var $_link_count = 0;
- /**
- * Boolean flag, true if a table of link URLs should be listed after the text.
- *
- * @var boolean $_do_links
- * @access private
- * @see html2text()
+ /**
+ * Boolean flag, true if a table of link URLs should be listed after the text.
+ *
+ * @var boolean $_do_links
+ * @access private
+ * @see html2text()
*/
var $_do_links = true;
-
+
/**
* Constructor.
*
// Convert <PRE>
$this->_convert_pre($text);
- // Run our defined search-and-replace
+ // Run our defined tags search-and-replace
$text = preg_replace($this->search, $this->replace, $text);
+ // Run our defined tags search-and-replace with callback
+ $text = preg_replace_callback($this->callback_search, array('html2text', '_preg_callback'), $text);
+
+ // Strip any other HTML tags
+ $text = strip_tags($text, $this->allowed_tags);
+
+ // Run our defined entities/characters search-and-replace
+ $text = preg_replace($this->ent_search, $this->ent_replace, $text);
+
// Replace known html entities
$text = html_entity_decode($text, ENT_COMPAT, 'UTF-8');
- // Run our defined search-and-replace with callback
- $text = preg_replace_callback($this->callback_search, array('html2text', '_preg_callback'), $text);
-
// Remove unknown/unhandled entities (this cannot be done in search-and-replace block)
$text = preg_replace('/&([a-zA-Z0-9]{2,6}|#[0-9]{2,4});/', '', $text);
// This properly handles situation of "&quot;" in input string
$text = str_replace('|+|amp|+|', '&', $text);
- // Strip any other HTML tags
- $text = strip_tags($text, $this->allowed_tags);
-
// Bring down number of empty lines to 2 max
$text = preg_replace("/\n\s+\n/", "\n\n", $text);
$text = preg_replace("/[\n]{3,}/", "\n\n", $text);
+ // remove leading empty lines (can be produced by eg. P tag on the beginning)
+ $text = ltrim($text, "\n");
+
// Wrap the text to a readable format
// for PHP versions >= 4.0.2. Default width is 75
// If width is 0 or less, don't wrap the text.
if ( !$this->_do_links )
return $display;
- if ( substr($link, 0, 7) == 'http://' || substr($link, 0, 8) == 'https://' ||
- substr($link, 0, 7) == 'mailto:'
- ) {
+ if ( preg_match('!^(https?://|mailto:)!', $link) ) {
$this->_link_count++;
$this->_link_list .= '[' . $this->_link_count . "] $link\n";
$additional = ' [' . $this->_link_count . ']';
*/
function _convert_pre(&$text)
{
+ // get the content of PRE element
while (preg_match('/<pre[^>]*>(.*)<\/pre>/ismU', $text, $matches)) {
- $result = preg_replace($this->pre_search, $this->pre_replace, $matches[1]);
- $text = preg_replace('/<pre[^>]*>.*<\/pre>/ismU', '<div><br>' . $result . '<br></div>', $text, 1);
+ // convert the content
+ $this->pre_content = sprintf('<div><br>%s<br></div>',
+ preg_replace($this->pre_search, $this->pre_replace, $matches[1]));
+ // replace the content (use callback because content can contain $0 variable)
+ $text = preg_replace_callback('/<pre[^>]*>.*<\/pre>/ismU',
+ array('html2text', '_preg_pre_callback'), $text, 1);
+ // free memory
+ $this->pre_content = '';
}
}
*
* @param array PREG matches
* @return string
- * @access private
*/
- function _preg_callback($matches)
+ private function _preg_callback($matches)
{
switch($matches[1]) {
case 'b':
case 'h':
return $this->_strtoupper("\n\n". $matches[2] ."\n\n");
case 'a':
- return $this->_build_link_list($matches[3], $matches[4]);
+ // Remove spaces in URL (#1487805)
+ $url = str_replace(' ', '', $matches[3]);
+ return $this->_build_link_list($url, $matches[4]);
}
}
-
+
+ /**
+ * Callback function for preg_replace_callback use in PRE content handler.
+ *
+ * @param array PREG matches
+ * @return string
+ */
+ private function _preg_pre_callback($matches)
+ {
+ return $this->pre_content;
+ }
+
/**
* Strtoupper multibyte wrapper function
*
* @param string
* @return string
- * @access private
*/
- function _strtoupper($str)
+ private function _strtoupper($str)
{
if (function_exists('mb_strtoupper'))
return mb_strtoupper($str);
projects / roundcube.git / blobdiff