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Diffstat (limited to 'site/source/functions/bbcode.php')
| -rw-r--r-- | site/source/functions/bbcode.php | 799 |
1 files changed, 799 insertions, 0 deletions
diff --git a/site/source/functions/bbcode.php b/site/source/functions/bbcode.php new file mode 100644 index 0000000..f9757a5 --- /dev/null +++ b/site/source/functions/bbcode.php @@ -0,0 +1,799 @@ +<?php +/*************************************************************************** + * bbcode.php + * ------------------- + * begin : Saturday, Feb 13, 2001 + * copyright : (C) 2001 The phpBB Group + * email : support@phpbb.com + * + * $Id: bbcode.php,v 1.36.2.32 2004/07/11 16:46:19 acydburn Exp $ + * + ***************************************************************************/ + +/*************************************************************************** + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + ***************************************************************************/ + +define("BBCODE_UID_LEN", 10); + +// global that holds loaded-and-prepared bbcode templates, so we only have to do +// that stuff once. + +$bbcode_tpl = null; + +/** + * Loads bbcode templates from the bbcode.tpl file of the current template set. + * Creates an array, keys are bbcode names like "b_open" or "url", values + * are the associated template. + * Probably pukes all over the place if there's something really screwed + * with the bbcode.tpl file. + * + * Nathan Codding, Sept 26 2001. + * + * Load different files depending on the output we want. + * Thomas Cort, Aug 19 2006. + */ +function load_bbcode_template() +{ + global $guidexml; + + if ($guidexml == 1) { + $tpl_filename = "../functions/bbcode.guidexml.tpl"; + } else if ($guidexml == -1) { + $tpl_filename = "../functions/bbcode.txt.tpl"; + } else { + $tpl_filename = "../functions/bbcode.html.tpl"; + } + + $tpl = fread(fopen($tpl_filename, 'r'), filesize($tpl_filename)); + + // replace \ with \\ and then ' with \'. + $tpl = str_replace('\\', '\\\\', $tpl); + $tpl = str_replace('\'', '\\\'', $tpl); + + // strip newlines. + $tpl = str_replace("\n", '', $tpl); + + // Turn template blocks into PHP assignment statements for the values of $bbcode_tpls.. + $tpl = preg_replace('#<!-- BEGIN (.*?) -->(.*?)<!-- END (.*?) -->#', "\n" . '$bbcode_tpls[\'\\1\'] = \'\\2\';', $tpl); + + $bbcode_tpls = array(); + + eval($tpl); + + return $bbcode_tpls; +} + + +/** + * Prepares the loaded bbcode templates for insertion into preg_replace() + * or str_replace() calls in the bbencode_second_pass functions. This + * means replacing template placeholders with the appropriate preg backrefs + * or with language vars. NOTE: If you change how the regexps work in + * bbencode_second_pass(), you MUST change this function. + * + * Nathan Codding, Sept 26 2001 + * + */ +function prepare_bbcode_template($bbcode_tpl) +{ + global $lang; + + $bbcode_tpl['olist_open'] = str_replace('{LIST_TYPE}', '\\1', $bbcode_tpl['olist_open']); + + $bbcode_tpl['color_open'] = str_replace('{COLOR}', '\\1', $bbcode_tpl['color_open']); + + $bbcode_tpl['size_open'] = str_replace('{SIZE}', '\\1', $bbcode_tpl['size_open']); + + $bbcode_tpl['quote_open'] = str_replace('{L_QUOTE}', $lang['Quote'], $bbcode_tpl['quote_open']); + + $bbcode_tpl['quote_username_open'] = str_replace('{L_QUOTE}', $lang['Quote'], $bbcode_tpl['quote_username_open']); + $bbcode_tpl['quote_username_open'] = str_replace('{L_WROTE}', $lang['wrote'], $bbcode_tpl['quote_username_open']); + $bbcode_tpl['quote_username_open'] = str_replace('{USERNAME}', '\\1', $bbcode_tpl['quote_username_open']); + + $bbcode_tpl['code_open'] = str_replace('{L_CODE}', $lang['Code'], $bbcode_tpl['code_open']); + + $bbcode_tpl['img'] = str_replace('{URL}', '\\1', $bbcode_tpl['img']); + + // We do URLs in several different ways.. + $bbcode_tpl['url1'] = str_replace('{URL}', '\\1', $bbcode_tpl['url']); + $bbcode_tpl['url1'] = str_replace('{DESCRIPTION}', '\\1', $bbcode_tpl['url1']); + + $bbcode_tpl['url2'] = str_replace('{URL}', 'http://\\1', $bbcode_tpl['url']); + $bbcode_tpl['url2'] = str_replace('{DESCRIPTION}', '\\1', $bbcode_tpl['url2']); + + $bbcode_tpl['url3'] = str_replace('{URL}', '\\1', $bbcode_tpl['url']); + $bbcode_tpl['url3'] = str_replace('{DESCRIPTION}', '\\2', $bbcode_tpl['url3']); + + $bbcode_tpl['url4'] = str_replace('{URL}', 'http://\\1', $bbcode_tpl['url']); + $bbcode_tpl['url4'] = str_replace('{DESCRIPTION}', '\\3', $bbcode_tpl['url4']); + + $bbcode_tpl['email'] = str_replace('{EMAIL}', '\\1', $bbcode_tpl['email']); + + define("BBCODE_TPL_READY", true); + + return $bbcode_tpl; +} + + +/** + * Does second-pass bbencoding. This should be used before displaying the message in + * a thread. Assumes the message is already first-pass encoded, and we are given the + * correct UID as used in first-pass encoding. + */ +function bbencode_second_pass($text, $uid) +{ + global $lang, $bbcode_tpl; + + // pad it with a space so we can distinguish between FALSE and matching the 1st char (index 0). + // This is important; bbencode_quote(), bbencode_list(), and bbencode_code() all depend on it. + $text = " " . $text; + + // First: If there isn't a "[" and a "]" in the message, don't bother. + if (! (strpos($text, "[") && strpos($text, "]")) ) + { + // Remove padding, return. + $text = substr($text, 1); + return $text; + } + + // Only load the templates ONCE.. + if (!defined("BBCODE_TPL_READY")) + { + // load templates from file into array. + $bbcode_tpl = load_bbcode_template(); + + // prepare array for use in regexps. + $bbcode_tpl = prepare_bbcode_template($bbcode_tpl); + } + + // [CODE] and [/CODE] for posting code (HTML, PHP, C etc etc) in your posts. + $text = bbencode_second_pass_code($text, $uid, $bbcode_tpl); + + // [QUOTE] and [/QUOTE] for posting replies with quote, or just for quoting stuff. + $text = str_replace("[quote:$uid]", $bbcode_tpl['quote_open'], $text); + $text = str_replace("[/quote:$uid]", $bbcode_tpl['quote_close'], $text); + + // New one liner to deal with opening quotes with usernames... + // replaces the two line version that I had here before.. + $text = preg_replace("/\[quote:$uid=\"(.*?)\"\]/si", $bbcode_tpl['quote_username_open'], $text); + + // [list] and [list=x] for (un)ordered lists. + // unordered lists + $text = str_replace("[list:$uid]", $bbcode_tpl['ulist_open'], $text); + // li tags + $text = str_replace("[*:$uid]", $bbcode_tpl['listitem'], $text); + // ending tags + $text = str_replace("[/list:u:$uid]", $bbcode_tpl['ulist_close'], $text); + $text = str_replace("[/list:o:$uid]", $bbcode_tpl['olist_close'], $text); + // Ordered lists + $text = preg_replace("/\[list=([a1]):$uid\]/si", $bbcode_tpl['olist_open'], $text); + + // colours + $text = preg_replace("/\[color=(\#[0-9A-F]{6}|[a-z]+):$uid\]/si", $bbcode_tpl['color_open'], $text); + $text = str_replace("[/color:$uid]", $bbcode_tpl['color_close'], $text); + + // size + $text = preg_replace("/\[size=([1-2]?[0-9]):$uid\]/si", $bbcode_tpl['size_open'], $text); + $text = str_replace("[/size:$uid]", $bbcode_tpl['size_close'], $text); + + // [b] and [/b] for bolding text. + $text = str_replace("[b:$uid]", $bbcode_tpl['b_open'], $text); + $text = str_replace("[/b:$uid]", $bbcode_tpl['b_close'], $text); + + // [u] and [/u] for underlining text. + $text = str_replace("[u:$uid]", $bbcode_tpl['u_open'], $text); + $text = str_replace("[/u:$uid]", $bbcode_tpl['u_close'], $text); + + // [i] and [/i] for italicizing text. + $text = str_replace("[i:$uid]", $bbcode_tpl['i_open'], $text); + $text = str_replace("[/i:$uid]", $bbcode_tpl['i_close'], $text); + + // Patterns and replacements for URL and email tags.. + $patterns = array(); + $replacements = array(); + + // [img]image_url_here[/img] code.. + // This one gets first-passed.. + $patterns[] = "#\[img:$uid\](.*?)\[/img:$uid\]#si"; + $replacements[] = $bbcode_tpl['img']; + + // matches a [url]xxxx://www.phpbb.com[/url] code.. + $patterns[] = "#\[url\]([\w]+?://[^ \"\n\r\t<]*?)\[/url\]#is"; + $replacements[] = $bbcode_tpl['url1']; + + // [url]www.phpbb.com[/url] code.. (no xxxx:// prefix). + $patterns[] = "#\[url\]((www|ftp)\.[^ \"\n\r\t<]*?)\[/url\]#is"; + $replacements[] = $bbcode_tpl['url2']; + + // [url=xxxx://www.phpbb.com]phpBB[/url] code.. + $patterns[] = "#\[url=([\w]+?://[^ \"\n\r\t<]*?)\](.*?)\[/url\]#is"; + $replacements[] = $bbcode_tpl['url3']; + + // [url=www.phpbb.com]phpBB[/url] code.. (no xxxx:// prefix). + $patterns[] = "#\[url=((www|ftp)\.[^ \"\n\r\t<]*?)\](.*?)\[/url\]#is"; + $replacements[] = $bbcode_tpl['url4']; + + // [email]user@domain.tld[/email] code.. + $patterns[] = "#\[email\]([a-z0-9&\-_.]+?@[\w\-]+\.([\w\-\.]+\.)?[\w]+)\[/email\]#si"; + $replacements[] = $bbcode_tpl['email']; + + $text = preg_replace($patterns, $replacements, $text); + + // Remove our padding from the string.. + $text = substr($text, 1); + + return $text; + +} // bbencode_second_pass() + +// Need to initialize the random numbers only ONCE +mt_srand( (double) microtime() * 1000000); + +function make_bbcode_uid() +{ + // Unique ID for this message.. + + $uid = md5(mt_rand()); + $uid = substr($uid, 0, BBCODE_UID_LEN); + + return $uid; +} + +function bbencode_first_pass($text, $uid) +{ + // pad it with a space so we can distinguish between FALSE and matching the 1st char (index 0). + // This is important; bbencode_quote(), bbencode_list(), and bbencode_code() all depend on it. + $text = " " . $text; + + // [CODE] and [/CODE] for posting code (HTML, PHP, C etc etc) in your posts. + $text = bbencode_first_pass_pda($text, $uid, '[code]', '[/code]', '', true, ''); + + // [QUOTE] and [/QUOTE] for posting replies with quote, or just for quoting stuff. + $text = bbencode_first_pass_pda($text, $uid, '[quote]', '[/quote]', '', false, ''); + $text = bbencode_first_pass_pda($text, $uid, '/\[quote=(\\\".*?\\\")\]/is', '[/quote]', '', false, '', "[quote:$uid=\\1]"); + + // [list] and [list=x] for (un)ordered lists. + $open_tag = array(); + $open_tag[0] = "[list]"; + + // unordered.. + $text = bbencode_first_pass_pda($text, $uid, $open_tag, "[/list]", "[/list:u]", false, 'replace_listitems'); + + $open_tag[0] = "[list=1]"; + $open_tag[1] = "[list=a]"; + + // ordered. + $text = bbencode_first_pass_pda($text, $uid, $open_tag, "[/list]", "[/list:o]", false, 'replace_listitems'); + + // [color] and [/color] for setting text color + $text = preg_replace("#\[color=(\#[0-9A-F]{6}|[a-z\-]+)\](.*?)\[/color\]#si", "[color=\\1:$uid]\\2[/color:$uid]", $text); + + // [size] and [/size] for setting text size + $text = preg_replace("#\[size=([1-2]?[0-9])\](.*?)\[/size\]#si", "[size=\\1:$uid]\\2[/size:$uid]", $text); + + // [b] and [/b] for bolding text. + $text = preg_replace("#\[b\](.*?)\[/b\]#si", "[b:$uid]\\1[/b:$uid]", $text); + + // [u] and [/u] for underlining text. + $text = preg_replace("#\[u\](.*?)\[/u\]#si", "[u:$uid]\\1[/u:$uid]", $text); + + // [i] and [/i] for italicizing text. + $text = preg_replace("#\[i\](.*?)\[/i\]#si", "[i:$uid]\\1[/i:$uid]", $text); + + // [img]image_url_here[/img] code.. + $text = preg_replace("#\[img\]((http|ftp|https|ftps)://)([^ \?&=\#\"\n\r\t<]*?(\.(jpg|jpeg|gif|png)))\[/img\]#sie", "'[img:$uid]\\1' . str_replace(' ', '%20', '\\3') . '[/img:$uid]'", $text); + + // Remove our padding from the string.. + return substr($text, 1);; + +} // bbencode_first_pass() + +/** + * $text - The text to operate on. + * $uid - The UID to add to matching tags. + * $open_tag - The opening tag to match. Can be an array of opening tags. + * $close_tag - The closing tag to match. + * $close_tag_new - The closing tag to replace with. + * $mark_lowest_level - boolean - should we specially mark the tags that occur + * at the lowest level of nesting? (useful for [code], because + * we need to match these tags first and transform HTML tags + * in their contents.. + * $func - This variable should contain a string that is the name of a function. + * That function will be called when a match is found, and passed 2 + * parameters: ($text, $uid). The function should return a string. + * This is used when some transformation needs to be applied to the + * text INSIDE a pair of matching tags. If this variable is FALSE or the + * empty string, it will not be executed. + * If open_tag is an array, then the pda will try to match pairs consisting of + * any element of open_tag followed by close_tag. This allows us to match things + * like [list=A]...[/list] and [list=1]...[/list] in one pass of the PDA. + * + * NOTES: - this function assumes the first character of $text is a space. + * - every opening tag and closing tag must be of the [...] format. + */ +function bbencode_first_pass_pda($text, $uid, $open_tag, $close_tag, $close_tag_new, $mark_lowest_level, $func, $open_regexp_replace = false) +{ + $open_tag_count = 0; + + if (!$close_tag_new || ($close_tag_new == '')) + { + $close_tag_new = $close_tag; + } + + $close_tag_length = strlen($close_tag); + $close_tag_new_length = strlen($close_tag_new); + $uid_length = strlen($uid); + + $use_function_pointer = ($func && ($func != '')); + + $stack = array(); + + if (is_array($open_tag)) + { + if (0 == count($open_tag)) + { + // No opening tags to match, so return. + return $text; + } + $open_tag_count = count($open_tag); + } + else + { + // only one opening tag. make it into a 1-element array. + $open_tag_temp = $open_tag; + $open_tag = array(); + $open_tag[0] = $open_tag_temp; + $open_tag_count = 1; + } + + $open_is_regexp = false; + + if ($open_regexp_replace) + { + $open_is_regexp = true; + if (!is_array($open_regexp_replace)) + { + $open_regexp_temp = $open_regexp_replace; + $open_regexp_replace = array(); + $open_regexp_replace[0] = $open_regexp_temp; + } + } + + if ($mark_lowest_level && $open_is_regexp) + { + message_die(GENERAL_ERROR, "Unsupported operation for bbcode_first_pass_pda()."); + } + + // Start at the 2nd char of the string, looking for opening tags. + $curr_pos = 1; + while ($curr_pos && ($curr_pos < strlen($text))) + { + $curr_pos = strpos($text, "[", $curr_pos); + + // If not found, $curr_pos will be 0, and the loop will end. + if ($curr_pos) + { + // We found a [. It starts at $curr_pos. + // check if it's a starting or ending tag. + $found_start = false; + $which_start_tag = ""; + $start_tag_index = -1; + + for ($i = 0; $i < $open_tag_count; $i++) + { + // Grab everything until the first "]"... + $possible_start = substr($text, $curr_pos, strpos($text, ']', $curr_pos + 1) - $curr_pos + 1); + + // + // We're going to try and catch usernames with "[' characters. + // + if( preg_match('#\[quote=\\\"#si', $possible_start, $match) && !preg_match('#\[quote=\\\"(.*?)\\\"\]#si', $possible_start) ) + { + // OK we are in a quote tag that probably contains a ] bracket. + // Grab a bit more of the string to hopefully get all of it.. + if ($close_pos = strpos($text, '"]', $curr_pos + 9)) + { + if (strpos(substr($text, $curr_pos + 9, $close_pos - ($curr_pos + 9)), '[quote') === false) + { + $possible_start = substr($text, $curr_pos, $close_pos - $curr_pos + 2); + } + } + } + + // Now compare, either using regexp or not. + if ($open_is_regexp) + { + $match_result = array(); + if (preg_match($open_tag[$i], $possible_start, $match_result)) + { + $found_start = true; + $which_start_tag = $match_result[0]; + $start_tag_index = $i; + break; + } + } + else + { + // straightforward string comparison. + if (0 == strcasecmp($open_tag[$i], $possible_start)) + { + $found_start = true; + $which_start_tag = $open_tag[$i]; + $start_tag_index = $i; + break; + } + } + } + + if ($found_start) + { + // We have an opening tag. + // Push its position, the text we matched, and its index in the open_tag array on to the stack, and then keep going to the right. + $match = array("pos" => $curr_pos, "tag" => $which_start_tag, "index" => $start_tag_index); + bbcode_array_push($stack, $match); + // + // Rather than just increment $curr_pos + // Set it to the ending of the tag we just found + // Keeps error in nested tag from breaking out + // of table structure.. + // + $curr_pos += strlen($possible_start); + } + else + { + // check for a closing tag.. + $possible_end = substr($text, $curr_pos, $close_tag_length); + if (0 == strcasecmp($close_tag, $possible_end)) + { + // We have an ending tag. + // Check if we've already found a matching starting tag. + if (sizeof($stack) > 0) + { + // There exists a starting tag. + $curr_nesting_depth = sizeof($stack); + // We need to do 2 replacements now. + $match = bbcode_array_pop($stack); + $start_index = $match['pos']; + $start_tag = $match['tag']; + $start_length = strlen($start_tag); + $start_tag_index = $match['index']; + + if ($open_is_regexp) + { + $start_tag = preg_replace($open_tag[$start_tag_index], $open_regexp_replace[$start_tag_index], $start_tag); + } + + // everything before the opening tag. + $before_start_tag = substr($text, 0, $start_index); + + // everything after the opening tag, but before the closing tag. + $between_tags = substr($text, $start_index + $start_length, $curr_pos - $start_index - $start_length); + + // Run the given function on the text between the tags.. + if ($use_function_pointer) + { + $between_tags = $func($between_tags, $uid); + } + + // everything after the closing tag. + $after_end_tag = substr($text, $curr_pos + $close_tag_length); + + // Mark the lowest nesting level if needed. + if ($mark_lowest_level && ($curr_nesting_depth == 1)) + { + if ($open_tag[0] == '[code]') + { + $code_entities_match = array('#<#', '#>#', '#"#', '#:#', '#\[#', '#\]#', '#\(#', '#\)#', '#\{#', '#\}#'); + $code_entities_replace = array('<', '>', '"', ':', '[', ']', '(', ')', '{', '}'); + $between_tags = preg_replace($code_entities_match, $code_entities_replace, $between_tags); + } + $text = $before_start_tag . substr($start_tag, 0, $start_length - 1) . ":$curr_nesting_depth:$uid]"; + $text .= $between_tags . substr($close_tag_new, 0, $close_tag_new_length - 1) . ":$curr_nesting_depth:$uid]"; + } + else + { + if ($open_tag[0] == '[code]') + { + $text = $before_start_tag . '[code]'; + $text .= $between_tags . '[/code]'; + } + else + { + if ($open_is_regexp) + { + $text = $before_start_tag . $start_tag; + } + else + { + $text = $before_start_tag . substr($start_tag, 0, $start_length - 1) . ":$uid]"; + } + $text .= $between_tags . substr($close_tag_new, 0, $close_tag_new_length - 1) . ":$uid]"; + } + } + + $text .= $after_end_tag; + + // Now.. we've screwed up the indices by changing the length of the string. + // So, if there's anything in the stack, we want to resume searching just after it. + // otherwise, we go back to the start. + if (sizeof($stack) > 0) + { + $match = bbcode_array_pop($stack); + $curr_pos = $match['pos']; +// bbcode_array_push($stack, $match); +// ++$curr_pos; + } + else + { + $curr_pos = 1; + } + } + else + { + // No matching start tag found. Increment pos, keep going. + ++$curr_pos; + } + } + else + { + // No starting tag or ending tag.. Increment pos, keep looping., + ++$curr_pos; + } + } + } + } // while + + return $text; + +} // bbencode_first_pass_pda() + +/** + * Does second-pass bbencoding of the [code] tags. This includes + * running htmlspecialchars() over the text contained between + * any pair of [code] tags that are at the first level of + * nesting. Tags at the first level of nesting are indicated + * by this format: [code:1:$uid] ... [/code:1:$uid] + * Other tags are in this format: [code:$uid] ... [/code:$uid] + */ +function bbencode_second_pass_code($text, $uid, $bbcode_tpl) +{ + global $lang; + + $code_start_html = $bbcode_tpl['code_open']; + $code_end_html = $bbcode_tpl['code_close']; + + // First, do all the 1st-level matches. These need an htmlspecialchars() run, + // so they have to be handled differently. + $match_count = preg_match_all("#\[code:1:$uid\](.*?)\[/code:1:$uid\]#si", $text, $matches); + + for ($i = 0; $i < $match_count; $i++) + { + $before_replace = $matches[1][$i]; + $after_replace = $matches[1][$i]; + + // Replace 2 spaces with " " so non-tabbed code indents without making huge long lines. + $after_replace = str_replace(" ", " ", $after_replace); + // now Replace 2 spaces with " " to catch odd #s of spaces. + $after_replace = str_replace(" ", " ", $after_replace); + + // Replace tabs with " " so tabbed code indents sorta right without making huge long lines. + $after_replace = str_replace("\t", " ", $after_replace); + + // now Replace space occurring at the beginning of a line + $after_replace = preg_replace("/^ {1}/m", ' ', $after_replace); + + $str_to_match = "[code:1:$uid]" . $before_replace . "[/code:1:$uid]"; + + $replacement = $code_start_html; + $replacement .= $after_replace; + $replacement .= $code_end_html; + + $text = str_replace($str_to_match, $replacement, $text); + } + + // Now, do all the non-first-level matches. These are simple. + $text = str_replace("[code:$uid]", $code_start_html, $text); + $text = str_replace("[/code:$uid]", $code_end_html, $text); + + return $text; + +} // bbencode_second_pass_code() + +/** + * Rewritten by Nathan Codding - Feb 6, 2001. + * - Goes through the given string, and replaces xxxx://yyyy with an HTML <a> tag linking + * to that URL + * - Goes through the given string, and replaces www.xxxx.yyyy[zzzz] with an HTML <a> tag linking + * to http://www.xxxx.yyyy[/zzzz] + * - Goes through the given string, and replaces xxxx@yyyy with an HTML mailto: tag linking + * to that email address + * - Only matches these 2 patterns either after a space, or at the beginning of a line + * + * Notes: the email one might get annoying - it's easy to make it more restrictive, though.. maybe + * have it require something like xxxx@yyyy.zzzz or such. We'll see. + */ +function make_clickable($text) +{ + + // pad it with a space so we can match things at the start of the 1st line. + $ret = ' ' . $text; + + // matches an "xxxx://yyyy" URL at the start of a line, or after a space. + // xxxx can only be alpha characters. + // yyyy is anything up to the first space, newline, comma, double quote or < + $ret = preg_replace("#(^|[\n ])([\w]+?://[^ \"\n\r\t<]*)#is", "\\1<a href=\"\\2\" target=\"_blank\">\\2</a>", $ret); + + // matches a "www|ftp.xxxx.yyyy[/zzzz]" kinda lazy URL thing + // Must contain at least 2 dots. xxxx contains either alphanum, or "-" + // zzzz is optional.. will contain everything up to the first space, newline, + // comma, double quote or <. + $ret = preg_replace("#(^|[\n ])((www|ftp)\.[^ \"\t\n\r<]*)#is", "\\1<a href=\"http://\\2\" target=\"_blank\">\\2</a>", $ret); + + // matches an email@domain type address at the start of a line, or after a space. + // Note: Only the followed chars are valid; alphanums, "-", "_" and or ".". + $ret = preg_replace("#(^|[\n ])([a-z0-9&\-_.]+?)@([\w\-]+\.([\w\-\.]+\.)*[\w]+)#i", "\\1<a href=\"mailto:\\2@\\3\">\\2@\\3</a>", $ret); + + // Remove our padding.. + $ret = substr($ret, 1); + + return($ret); +} + +/** + * Nathan Codding - Feb 6, 2001 + * Reverses the effects of make_clickable(), for use in editpost. + * - Does not distinguish between "www.xxxx.yyyy" and "http://aaaa.bbbb" type URLs. + * + */ +function undo_make_clickable($text) +{ + $text = preg_replace("#<!-- BBCode auto-link start --><a href=\"(.*?)\" target=\"_blank\">.*?</a><!-- BBCode auto-link end -->#i", "\\1", $text); + $text = preg_replace("#<!-- BBcode auto-mailto start --><a href=\"mailto:(.*?)\">.*?</a><!-- BBCode auto-mailto end -->#i", "\\1", $text); + + return $text; + +} + +/** + * Nathan Codding - August 24, 2000. + * Takes a string, and does the reverse of the PHP standard function + * htmlspecialchars(). + */ +function undo_htmlspecialchars($input) +{ + $input = preg_replace("/>/i", ">", $input); + $input = preg_replace("/</i", "<", $input); + $input = preg_replace("/"/i", "\"", $input); + $input = preg_replace("/&/i", "&", $input); + + return $input; +} + +/** + * This is used to change a [*] tag into a [*:$uid] tag as part + * of the first-pass bbencoding of [list] tags. It fits the + * standard required in order to be passed as a variable + * function into bbencode_first_pass_pda(). + */ +function replace_listitems($text, $uid) +{ + $text = str_replace("[*]", "[*:$uid]", $text); + + return $text; +} + +/** + * Escapes the "/" character with "\/". This is useful when you need + * to stick a runtime string into a PREG regexp that is being delimited + * with slashes. + */ +function escape_slashes($input) +{ + $output = str_replace('/', '\/', $input); + return $output; +} + +/** + * This function does exactly what the PHP4 function array_push() does + * however, to keep phpBB compatable with PHP 3 we had to come up with our own + * method of doing it. + */ +function bbcode_array_push(&$stack, $value) +{ + $stack[] = $value; + return(sizeof($stack)); +} + +/** + * This function does exactly what the PHP4 function array_pop() does + * however, to keep phpBB compatable with PHP 3 we had to come up with our own + * method of doing it. + */ +function bbcode_array_pop(&$stack) +{ + $arrSize = count($stack); + $x = 1; + + while(list($key, $val) = each($stack)) + { + if($x < count($stack)) + { + $tmpArr[] = $val; + } + else + { + $return_val = $val; + } + $x++; + } + $stack = $tmpArr; + + return($return_val); +} + +// +// Smilies code ... would this be better tagged on to the end of bbcode.php? +// Probably so and I'll move it before B2 +// +function smilies_pass($message) +{ + static $orig, $repl; + + if (!isset($orig)) + { + global $db, $board_config; + $orig = $repl = array(); + + $sql = 'SELECT * FROM ' . SMILIES_TABLE; + if( !$result = $db->sql_query($sql) ) + { + message_die(GENERAL_ERROR, "Couldn't obtain smilies data", "", __LINE__, __FILE__, $sql); + } + $smilies = $db->sql_fetchrowset($result); + + if (count($smilies)) + { + usort($smilies, 'smiley_sort'); + } + + for ($i = 0; $i < count($smilies); $i++) + { + $orig[] = "/(?<=.\W|\W.|^\W)" . phpbb_preg_quote($smilies[$i]['code'], "/") . "(?=.\W|\W.|\W$)/"; + $repl[] = '<img src="'. $board_config['smilies_path'] . '/' . $smilies[$i]['smile_url'] . '" alt="' . $smilies[$i]['emoticon'] . '" border="0" />'; + } + } + + if (count($orig)) + { + $message = preg_replace($orig, $repl, ' ' . $message . ' '); + $message = substr($message, 1, -1); + } + + return $message; +} + +function smiley_sort($a, $b) +{ + if ( strlen($a['code']) == strlen($b['code']) ) + { + return 0; + } + + return ( strlen($a['code']) > strlen($b['code']) ) ? -1 : 1; +} + +load_bbcode_template(); +/* +$m = "[url]http://tomcort.com[/url]"; +$uid = make_bbcode_uid(); +$m = bbencode_first_pass($m, $uid); +$m = bbencode_second_pass($m,$uid); +echo "$m"; +*/ +?> |