diff options
Diffstat (limited to 'include/bbcode.php')
| -rw-r--r-- | include/bbcode.php | 139 |
1 files changed, 104 insertions, 35 deletions
diff --git a/include/bbcode.php b/include/bbcode.php index f3ecbd9e9..b2e3f1d3b 100644 --- a/include/bbcode.php +++ b/include/bbcode.php @@ -655,6 +655,109 @@ function bb_observer($Text) { return $Text; } +function bb_imgoptions($match) { + + // $Text = preg_replace_callback("/\[([zi])mg([ \=])(.*?)\](.*?)\[\/[zi]mg\]/ism",'bb_imgoptions',$Text); + // alt text cannot contain ']' + + // [img|zmg=wwwxhhh float=left|right alt=alt text]url[/img|zmg] + + $local_match = null; + $width = 0; + $float = false; + $alt = false; + + $style = EMPTY_STR; + + $attributes = $match[3]; + + $x = preg_match("/alt='(.*?)'/ism", $attributes, $matches); + if ($x) { + $alt = $matches[1]; + } + + $x = preg_match("/alt=\"\;(.*?)\"\;/ism", $attributes, $matches); + if ($x) { + $alt = $matches[1]; + } + + $x = preg_match("/width='(.*?)'/ism", $attributes, $matches); + if ($x) { + $width = $matches[1]; + } + + $x = preg_match("/width=\"\;(.*?)\"\;/ism", $attributes, $matches); + if ($x) { + $width = $matches[1]; + } + + $x = preg_match("/height='(.*?)'/ism", $attributes, $matches); + if ($x) { + $height = $matches[1]; + } + + $x = preg_match("/height=\"\;(.*?)\"\;/ism", $attributes, $matches); + if ($x) { + $height = $matches[1]; + } + + $x = preg_match("/style='(.*?)'/ism", $attributes, $matches); + if ($x) { + $style = $matches[1]; + } + + $x = preg_match("/style=\"\;(.*?)\"\;/ism", $attributes, $matches); + if ($x) { + $style = $matches[1]; + } + + // legacy img options + + if ($match[2] === '=') { + // pull out (optional) legacy size declarations first + if (preg_match("/([0-9]*)x([0-9]*)/ism",$match[3],$local_match)) { + $width = intval($local_match[1]); + } + $match[3] = substr($match[3],strpos($match[3],' ')); + } + + // then (optional) legacy float specifiers + if ($n = strpos($match[3],'float=left') !== false) { + $float = 'left'; + $match[3] = substr($match[3],$n + 10); + } + if ($n = strpos($match[3],'float=right') !== false) { + $float = 'right'; + $match[3] = substr($match[3],$n + 11); + } + + // finally alt text which extends to the close of the tag + if ((! $alt) && ($n = strpos($match[3],'alt=') !== false)) { + $alt = substr($match[3],$n + 4); + } + + // now assemble the resulting img tag from these components + + $output = '<img ' . (($match[1] === 'z') ? 'class="zrl" ' : '') . ' '; + + if ($width) { + $style .= 'width: 100%; max-width: ' . $width . 'px; '; + } + else { + $style .= 'max-width: 100%; '; + } + if ($float) { + $style .= 'float: ' . $float . '; '; + } + + $output .= (($style) ? 'style="' . $style . '" ' : '') . 'alt="' . htmlentities(($alt) ? $alt : t('Image/photo'),ENT_COMPAT,'UTF-8') . '" '; + + $output .= 'src="' . $match[4] . '" >'; + + return $output; + +} + function bb_code_protect($s) { return 'b64.^9e%.' . base64_encode($s) . '.b64.$9e%'; } @@ -1250,41 +1353,7 @@ function bbcode($Text, $options = []) { $Text = preg_replace("/\[zmg=http(.*?)\](.*?)\[\/zmg\]/ism", '<img class="zrl" style="max-width: 100%;" src="http$1" alt="$2" title="$2"/>', $Text); } - // [img float={left, right}]pathtoimage[/img] - if (strpos($Text,'[/img]') !== false) { - $Text = preg_replace("/\[img float=left\](.*?)\[\/img\]/ism", '<img src="$1" style="max-width: 100%; float: left;" alt="' . t('Image/photo') . '" />', $Text); - } - if (strpos($Text,'[/img]') !== false) { - $Text = preg_replace("/\[img float=right\](.*?)\[\/img\]/ism", '<img src="$1" style="max-width: 100%; float: right;" alt="' . t('Image/photo') . '" />', $Text); - } - if (strpos($Text,'[/zmg]') !== false) { - $Text = preg_replace("/\[zmg float=left\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$1" style="max-width: 100%; float: left;" alt="' . t('Image/photo') . '" />', $Text); - } - if (strpos($Text,'[/zmg]') !== false) { - $Text = preg_replace("/\[zmg float=right\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$1" style="max-width: 100%; float: right;" alt="' . t('Image/photo') . '" />', $Text); - } - - // [img=widthxheight]pathtoimage[/img] - if (strpos($Text,'[/img]') !== false) { - $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: 100%; max-width: $1px;" alt="' . t('Image/photo') . '" />', $Text); - } - if (strpos($Text,'[/zmg]') !== false) { - $Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: 100%; max-width: $1px;" alt="' . t('Image/photo') . '" />', $Text); - } - - // [img=widthxheight float={left, right}]pathtoimage[/img] - if (strpos($Text,'[/img]') !== false) { - $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*) float=left\](.*?)\[\/img\]/ism", '<img src="$3" style="width: 100%; max-width: $1px; float: left;" alt="' . t('Image/photo') . '" />', $Text); - } - if (strpos($Text,'[/img]') !== false) { - $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*) float=right\](.*?)\[\/img\]/ism", '<img src="$3" style="width: 100%; max-width: $1px; float: right;" alt="' . t('Image/photo') . '" />', $Text); - } - if (strpos($Text,'[/zmg]') !== false) { - $Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*) float=left\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: 100%; max-width: $1px; float: left;" alt="' . t('Image/photo') . '" />', $Text); - } - if (strpos($Text,'[/zmg]') !== false) { - $Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*) float=right\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: 100%; max-width: $1px; float: right;" alt="' . t('Image/photo') . '" />', $Text); - } + $Text = preg_replace_callback("/\[([zi])mg([ \=])(.*?)\](.*?)\[\/[zi]mg\]/ism",'bb_imgoptions',$Text); // style (sanitized) if (strpos($Text,'[/style]') !== false) { |