'') { print "

" . gettext("WikiFatalError") . "

\n"; print $errormsg; print "\n"; } exit; } function LinkExistingWikiWord($wikiword, $linktext='') { global $ScriptUrl; $enc_word = rawurlencode($wikiword); if(empty($linktext)) $linktext = htmlspecialchars($wikiword); return "$linktext"; } function LinkUnknownWikiWord($wikiword, $linktext='') { global $ScriptUrl; $enc_word = rawurlencode($wikiword); if(empty($linktext)) $linktext = htmlspecialchars($wikiword); return "$linktext?"; } function LinkURL($url, $linktext='') { global $ScriptUrl; if(ereg("[<>\"]", $url)) { return "BAD URL -- remove all of <, >, ""; } if(empty($linktext)) $linktext = htmlspecialchars($url); return "$linktext"; } function LinkImage($url, $alt='[External Image]') { global $ScriptUrl; if(ereg('[<>"]', $url)) { return "BAD URL -- remove all of <, >, ""; } return " $\"$alt\"$ "; } function RenderQuickSearch($value = '') { global $ScriptUrl; return "\n"; } function RenderFullSearch($value = '') { global $ScriptUrl; return "\n"; } function RenderMostPopular() { global $ScriptUrl, $dbi; $query = InitMostPopular($dbi, MOST_POPULAR_LIST_LENGTH); $result = "

\n"; while ($qhash = MostPopularNextMatch($dbi, $query)) { $result .= "

$qhash[hits] ... " . LinkExistingWikiWord($qhash['pagename']) . "\n"; } $result .= "

\n"; return $result; } function ParseAdminTokens($line) { global $ScriptUrl; while (preg_match("/%%ADMIN-INPUT-(.*?)-(\w+)%%/", $line, $matches)) { $head = str_replace('_', ' ', $matches[2]); $form = ""; $line = str_replace($matches[0], $form, $line); } return $line; } // converts spaces to tabs function CookSpaces($pagearray) { return preg_replace("/ {3,8}/", "\t", $pagearray); } class Stack { var $items = array(); var $size = 0; function push($item) { $this->items[$this->size] = $item; $this->size++; return true; } function pop() { if ($this->size == 0) { return false; // stack is empty } $this->size--; return $this->items[$this->size]; } function cnt() { return $this->size; } function top() { if($this->size) return $this->items[$this->size - 1]; else return ''; } } // end class definition // I couldn't move this to lib/config.php because it wasn't declared yet. $stack = new Stack; /* Wiki HTML output can, at any given time, be in only one mode. It will be something like Unordered List, Preformatted Text, plain text etc. When we change modes we have to issue close tags for one mode and start tags for another. $tag ... HTML tag to insert $tagtype ... ZERO_LEVEL - close all open tags before inserting $tag NESTED_LEVEL - close tags until depths match $level ... nesting level (depth) of $tag nesting is arbitrary limited to 10 levels */ function SetHTMLOutputMode($tag, $tagtype, $level) { global $stack; $retvar = ''; if ($tagtype == ZERO_LEVEL) { // empty the stack until $level == 0; if ($tag == $stack->top()) { return; // same tag? -> nothing to do } while ($stack->cnt() > 0) { $closetag = $stack->pop(); $retvar .= "\n"; } if ($tag) { $retvar .= "<$tag>\n"; $stack->push($tag); } } elseif ($tagtype == NESTED_LEVEL) { if ($level < $stack->cnt()) { // $tag has fewer nestings (old: tabs) than stack, // reduce stack to that tab count while ($stack->cnt() > $level) { $closetag = $stack->pop(); if ($closetag == false) { //echo "bounds error in tag stack"; break; } $retvar .= "\n"; } // if list type isn't the same, // back up one more and push new tag if ($tag != $stack->top()) { $closetag = $stack->pop(); $retvar .= "<$tag>\n"; $stack->push($tag); } } elseif ($level > $stack->cnt()) { // we add the diff to the stack // stack might be zero while ($stack->cnt() < $level) { $retvar .= "<$tag>\n"; $stack->push($tag); if ($stack->cnt() > 10) { // arbitrarily limit tag nesting ExitWiki(gettext ("Stack bounds exceeded in SetHTMLOutputMode")); } } } else { // $level == $stack->cnt() if ($tag == $stack->top()) { return; // same tag? -> nothing to do } else { // different tag - close old one, add new one $closetag = $stack->pop(); $retvar .= "\n"; $retvar .= "<$tag>\n"; $stack->push($tag); } } } else { // unknown $tagtype ExitWiki ("Passed bad tag type value in SetHTMLOutputMode"); } return $retvar; } // end SetHTMLOutputMode function ParseAndLink($bracketlink) { global $dbi, $ScriptUrl, $AllowedProtocols, $InlineImages; // $bracketlink will start and end with brackets; in between // will be either a page name, a URL or both separated by a pipe. // strip brackets and leading space preg_match("/(\[\s*)(.+?)(\s*\])/", $bracketlink, $match); // match the contents preg_match("/([^|]+)(\|)?([^|]+)?/", $match[2], $matches); if (isset($matches[3])) { // named link of the form "[some link name | http://blippy.com/]" $URL = trim($matches[3]); $linkname = htmlspecialchars(trim($matches[1])); $linktype = 'named'; } else { // unnamed link of the form "[http://blippy.com/] or [wiki page]" $URL = trim($matches[1]); $linkname = ''; $linktype = 'simple'; } if (IsWikiPage($dbi, $URL)) { $link['type'] = "wiki-$linktype"; $link['link'] = LinkExistingWikiWord($URL, $linkname); } elseif (preg_match("#^($AllowedProtocols):#", $URL)) { // if it's an image, embed it; otherwise, it's a regular link if (preg_match("/($InlineImages)$/i", $URL)) { $link['type'] = "image-$linktype"; $link['link'] = LinkImage($URL, $linkname); } else { $link['type'] = "url-$linktype"; $link['link'] = LinkURL($URL, $linkname); } } elseif (preg_match("#^phpwiki:(.*)#", $URL, $match)) { $link['type'] = "url-wiki-$linktype"; if(empty($linkname)) $linkname = htmlspecialchars($URL); $link['link'] = "$linkname"; } else { $link['type'] = "wiki-unknown-$linktype"; $link['link'] = LinkUnknownWikiWord($URL, $linkname); } return $link; } function ExtractWikiPageLinks($content) { global $WikiNameRegexp; $wikilinks = array(); $numlines = count($content); for($l = 0; $l < $numlines; $l++) { // remove escaped '[' $line = str_replace('[[', ' ', $content[$l]); // bracket links (only type wiki-* is of interest) $numBracketLinks = preg_match_all("/\[\s*([^\]|]+\|)?\s*(.+?)\s*\]/", $line, $brktlinks); for ($i = 0; $i < $numBracketLinks; $i++) { $link = ParseAndLink($brktlinks[0][$i]); if (preg_match("#^wiki#", $link['type'])) $wikilinks[$brktlinks[2][$i]] = 1; $brktlink = preg_quote($brktlinks[0][$i]); $line = preg_replace("|$brktlink|", '', $line); } // BumpyText old-style wiki links if (preg_match_all("/!?$WikiNameRegexp/", $line, $link)) { for ($i = 0; isset($link[0][$i]); $i++) { if($link[0][$i][0] <> '!') $wikilinks[$link[0][$i]] = 1; } } } return $wikilinks; } function LinkRelatedPages($dbi, $pagename) { // currently not supported everywhere if(!function_exists('GetWikiPageLinks')) return ''; $links = GetWikiPageLinks($dbi, $pagename); $txt = ""; $txt .= sprintf (gettext ("%d best incoming links:"), NUM_RELATED_PAGES); $txt .= "\n"; for($i = 0; $i < NUM_RELATED_PAGES; $i++) { if(isset($links['in'][$i])) { list($name, $score) = $links['in'][$i]; $txt .= LinkExistingWikiWord($name) . " ($score), "; } } $txt .= "\n
"; $txt .= sprintf (gettext ("%d best outgoing links:"), NUM_RELATED_PAGES); $txt .= "\n"; for($i = 0; $i < NUM_RELATED_PAGES; $i++) { if(isset($links['out'][$i])) { list($name, $score) = $links['out'][$i]; if(IsWikiPage($dbi, $name)) $txt .= LinkExistingWikiWord($name) . " ($score), "; } } $txt .= "\n
"; $txt .= sprintf (gettext ("%d most popular nearby:"), NUM_RELATED_PAGES); $txt .= "\n"; for($i = 0; $i < NUM_RELATED_PAGES; $i++) { if(isset($links['popular'][$i])) { list($name, $score) = $links['popular'][$i]; $txt .= LinkExistingWikiWord($name) . " ($score), "; } } return $txt; } function GeneratePage($template, $content, $name, $hash) { global $ScriptUrl, $AllowedProtocols, $templates; global $datetimeformat, $dbi, $logo, $FieldSeparator; if (!is_array($hash)) unset($hash); function _dotoken ($id, $val, &$page) { global $FieldSeparator; $page = str_replace("$FieldSeparator#$id$FieldSeparator#", $val, $page); } function _iftoken ($id, $condition, &$page) { global $FieldSeparator; // line based IF directive $lineyes = "$FieldSeparator#IF $id$FieldSeparator#"; $lineno = "$FieldSeparator#IF !$id$FieldSeparator#"; // block based IF directive $blockyes = "$FieldSeparator#IF:$id$FieldSeparator#"; $blockyesend = "$FieldSeparator#ENDIF:$id$FieldSeparator#"; $blockno = "$FieldSeparator#IF:!$id$FieldSeparator#"; $blocknoend = "$FieldSeparator#ENDIF:!$id$FieldSeparator#"; if ($condition) { $page = str_replace($lineyes, '', $page); $page = str_replace($blockyes, '', $page); $page = str_replace($blockyesend, '', $page); $page = preg_replace("/$blockno(.*?)$blocknoend/s", '', $page); $page = ereg_replace("${lineno}[^\n]*\n", '', $page); } else { $page = str_replace($lineno, '', $page); $page = str_replace($blockno, '', $page); $page = str_replace($blocknoend, '', $page); $page = preg_replace("/$blockyes(.*?)$blockyesend/s", '', $page); $page = ereg_replace("${lineyes}[^\n]*\n", '', $page); } } $page = join('', file($templates[$template])); $page = str_replace('###', "$FieldSeparator#", $page); // valid for all pagetypes _iftoken('COPY', isset($hash['copy']), $page); _iftoken('LOCK', (isset($hash['flags']) && ($hash['flags'] & FLAG_PAGE_LOCKED)), $page); _iftoken('ADMIN', defined('WIKI_ADMIN'), $page); _dotoken('SCRIPTURL', $ScriptUrl, $page); _dotoken('PAGE', htmlspecialchars($name), $page); _dotoken('ALLOWEDPROTOCOLS', $AllowedProtocols, $page); _dotoken('LOGO', $logo, $page); // invalid for messages (search results, error messages) if ($template != 'MESSAGE') { _dotoken('PAGEURL', rawurlencode($name), $page); _dotoken('LASTMODIFIED', date($datetimeformat, $hash['lastmodified']), $page); _dotoken('LASTAUTHOR', $hash['author'], $page); _dotoken('VERSION', $hash['version'], $page); if (strstr($page, "$FieldSeparator#HITS$FieldSeparator#")) { _dotoken('HITS', GetHitCount($dbi, $name), $page); } if (strstr($page, "$FieldSeparator#RELATEDPAGES$FieldSeparator#")) { _dotoken('RELATEDPAGES', LinkRelatedPages($dbi, $name), $page); } } // valid only for EditLinks if ($template == 'EDITLINKS') { for ($i = 1; $i <= NUM_LINKS; $i++) { $ref = isset($hash['refs'][$i]) ? $hash['refs'][$i] : ''; _dotoken("R$i", $ref, $page); } } _dotoken('CONTENT', $content, $page); print $page; } ?>