+ global $RCMAIL;
+
+ // make links and email-addresses clickable
+ $replacer = new rcube_string_replacer;
+
+ // search for patterns like links and e-mail addresses
+ $body = preg_replace_callback($replacer->link_pattern, array($replacer, 'link_callback'), $body);
+ $body = preg_replace_callback($replacer->mailto_pattern, array($replacer, 'mailto_callback'), $body);
+
+ // split body into single lines
+ $body = preg_split('/\r?\n/', $body);
+ $quote_level = 0;
+ $last = -1;
+
+ // find/mark quoted lines...
+ for ($n=0, $cnt=count($body); $n < $cnt; $n++) {
+ if ($body[$n][0] == '>' && preg_match('/^(>+\s*)+/', $body[$n], $regs)) {
+ $q = strlen(preg_replace('/\s/', '', $regs[0]));
+ $body[$n] = substr($body[$n], strlen($regs[0]));
+
+ if ($q > $quote_level) {
+ $body[$n] = $replacer->get_replacement($replacer->add(
+ str_repeat('<blockquote>', $q - $quote_level))) . $body[$n];
+ }
+ else if ($q < $quote_level) {
+ $body[$n] = $replacer->get_replacement($replacer->add(
+ str_repeat('</blockquote>', $quote_level - $q))) . $body[$n];
+ }
+ else if ($flowed) {
+ // previous line is flowed
+ if (isset($body[$last]) && $body[$n]
+ && $body[$last][strlen($body[$last])-1] == ' ') {
+ // merge lines
+ $body[$last] .= $body[$n];
+ unset($body[$n]);
+ }
+ else {
+ $last = $n;
+ }
+ }
+ }
+ else {
+ $q = 0;
+ if ($flowed) {
+ // sig separator - line is fixed
+ if ($body[$n] == '-- ') {
+ $last = $last_sig = $n;
+ }
+ else {
+ // remove space-stuffing
+ if ($body[$n][0] == ' ')
+ $body[$n] = substr($body[$n], 1);
+
+ // previous line is flowed?
+ if (isset($body[$last]) && $body[$n]
+ && $last != $last_sig
+ && $body[$last][strlen($body[$last])-1] == ' '
+ ) {
+ $body[$last] .= $body[$n];
+ unset($body[$n]);
+ }
+ else {
+ $last = $n;
+ }
+ }
+ if ($quote_level > 0)
+ $body[$last] = $replacer->get_replacement($replacer->add(
+ str_repeat('</blockquote>', $quote_level))) . $body[$last];
+ }
+ else if ($quote_level > 0)
+ $body[$n] = $replacer->get_replacement($replacer->add(
+ str_repeat('</blockquote>', $quote_level))) . $body[$n];
+ }
+
+ $quote_level = $q;
+ }
+
+ $body = join("\n", $body);
+
+ // quote plain text (don't use Q() here, to display entities "as is")
+ $table = get_html_translation_table(HTML_SPECIALCHARS);
+ unset($table['?']);
+ $body = strtr($body, $table);
+
+ // colorize signature (up to <sig_max_lines> lines)
+ $len = strlen($body);
+ $sig_max_lines = $RCMAIL->config->get('sig_max_lines', 15);
+ while (($sp = strrpos($body, "-- \n", $sp ? -$len+$sp-1 : 0)) !== false) {
+ if ($sp == 0 || $body[$sp-1] == "\n") {
+ // do not touch blocks with more that X lines
+ if (substr_count($body, "\n", $sp) < $sig_max_lines)
+ $body = substr($body, 0, max(0, $sp))
+ .'<span class="sig">'.substr($body, $sp).'</span>';
+ break;
+ }
+ }
+
+ // insert url/mailto links and citation tags
+ $body = $replacer->resolve($body);
+
+ return $body;