/**
* Diff
*
* Main function: Calls the diff and render, then outputs to layout
*
* @author Greg Meiste <*****@*****.**>
*/
function diff($oVer, $nVer)
{
PHPWS_Core::initModClass('wiki', 'OldWikiPage.php');
$olderpage = new OldWikiPage();
$newerpage = new OldWikiPage();
$db = new PHPWS_DB('wiki_pages_version');
$db->addWhere('title', $_REQUEST['page']);
$db->addWhere('vr_number', $oVer);
$db->loadObject($olderpage);
$db->reset();
$db->addWhere('title', $_REQUEST['page']);
$db->addWhere('vr_number', $nVer);
$db->loadObject($newerpage);
// Need to parse the text, but we can't call parseOutput or this module's
// transform function. They both do too much parsing and can't be used
// for a diff. So, we call what is needed directly:
$oPagetext = htmlspecialchars(str_replace("'", "'", $olderpage->getPagetext(FALSE)));
$nPagetext = htmlspecialchars(str_replace("'", "'", $newerpage->getPagetext(FALSE)));
if (!ALLOW_PROFANITY) {
$oPagetext = PHPWS_Text::profanityFilter($oPagetext);
$nPagetext = PHPWS_Text::profanityFilter($nPagetext);
}
// End diff text parsing
$oPagetext = explode("\n", $oPagetext);
$nPageText = explode("\n", $nPagetext);
$diff = new Text_Diff($oPagetext, $nPageText);
$this->render($diff);
$tags = array();
$tags['TITLE'] = dgettext('wiki', 'Difference between revisions');
$tags['BACK_PAGE'] = PHPWS_Text::moduleLink(dgettext('wiki', 'Back to Page'), 'wiki', array('page' => $_REQUEST['page']));
$tags['BACK_HISTORY'] = PHPWS_Text::moduleLink(dgettext('wiki', 'Back to History'), 'wiki', array('page_op' => 'history', 'page_id' => $newerpage->getSourceId()));
$tags['DIFF'] = $this->_output;
$tags['OLDER_VERSION'] = $olderpage->getVrNumber();
$tags['NEWER_VERSION'] = $newerpage->getVrNumber();
$tags['OLDER_UPDATED'] = $olderpage->getUpdated();
$tags['NEWER_UPDATED'] = $newerpage->getUpdated();
$tags['VERSION_LABEL'] = dgettext('wiki', 'Version');
return PHPWS_Template::process($tags, 'wiki', 'diff/' . $this->_format . '/diff.tpl');
}
/**
* Transform text using Wiki library
*
* @author Greg Meiste <*****@*****.**>
*/
function transform($wikitext)
{
require_once 'Text/Wiki.php';
if (!defined('WIKI_PARSER')) {
define('WIKI_PARSER', 'Default');
}
$wiki =& Text_Wiki::factory(WIKI_PARSER);
if (PEAR::isError($wiki)) {
return sprintf(dgettext('wiki', 'Error! %s parser not found.'), WIKI_PARSER);
}
$wikitext = str_replace("'", "'", $wikitext);
$db = new PHPWS_DB('wiki_pages');
$db->addColumn('title');
$pages = $db->select('col');
if (PEAR::isError($pages)) {
PHPWS_Error::log($pages);
$pages = NULL;
}
// Add custom parser rules
$wiki->addPath('parse', PHPWS_SOURCE_DIR . 'mod/wiki/class/parse/');
$wiki->insertRule('Template', '');
$wiki->setRenderConf('xhtml', 'wikilink', 'pages', $pages);
$wiki->setRenderConf('xhtml', 'wikilink', 'view_url', MOD_REWRITE_ENABLED ? 'wiki/%s' : './index.php?module=wiki&page=%s');
$wiki->setRenderConf('xhtml', 'wikilink', 'new_url', MOD_REWRITE_ENABLED ? 'wiki/%s' : './index.php?module=wiki&page=%s');
$wiki->setRenderConf('xhtml', 'toc', 'title', '<strong>' . dgettext('wiki', 'Table of Contents') . '</strong>');
$wiki->setRenderConf('xhtml', 'image', 'base', 'images/wiki/');
$wiki->setRenderConf('xhtml', 'url', 'target', PHPWS_Settings::get('wiki', 'ext_page_target'));
$wiki->setRenderConf('xhtml', 'interwiki', 'target', PHPWS_Settings::get('wiki', 'ext_page_target'));
$sites = array();
$db = new PHPWS_DB('wiki_interwiki');
$result = $db->select();
foreach ($result as $row) {
$sites[$row['label']] = $row['url'];
}
$wiki->setRenderConf('xhtml', 'interwiki', 'sites', $sites);
if (PHPWS_Settings::get('wiki', 'ext_chars_support')) {
$wiki->setParseConf('Wikilink', 'ext_chars', true);
$wiki->setFormatConf('Xhtml', 'translate', HTML_SPECIALCHARS);
}
// Setting CSS styles for tags
$wiki->setRenderConf('xhtml', 'blockquote', 'css', 'wiki');
$wiki->setRenderConf('xhtml', 'code', 'css', 'wiki');
$wiki->setRenderConf('xhtml', 'code', 'css_code', 'wiki');
$wiki->setRenderConf('xhtml', 'code', 'css_php', 'wiki');
$wiki->setRenderConf('xhtml', 'code', 'css_html', 'wiki');
$wiki->setRenderConf('xhtml', 'deflist', 'css_dl', 'wiki');
$wiki->setRenderConf('xhtml', 'deflist', 'css_dt', 'wiki');
$wiki->setRenderConf('xhtml', 'deflist', 'css_dd', 'wiki');
$wiki->setRenderConf('xhtml', 'emphasis', 'css', 'wiki');
$wiki->setRenderConf('xhtml', 'heading', 'css_h1', 'wiki');
$wiki->setRenderConf('xhtml', 'heading', 'css_h2', 'wiki');
$wiki->setRenderConf('xhtml', 'heading', 'css_h3', 'wiki');
$wiki->setRenderConf('xhtml', 'heading', 'css_h4', 'wiki');
$wiki->setRenderConf('xhtml', 'heading', 'css_h5', 'wiki');
$wiki->setRenderConf('xhtml', 'heading', 'css_h6', 'wiki');
$wiki->setRenderConf('xhtml', 'horiz', 'css', 'wiki');
$wiki->setRenderConf('xhtml', 'image', 'css', 'wiki');
$wiki->setRenderConf('xhtml', 'interwiki', 'css', 'wiki');
$wiki->setRenderConf('xhtml', 'list', 'css_ol', 'wiki');
$wiki->setRenderConf('xhtml', 'list', 'css_ol_li', 'wiki');
$wiki->setRenderConf('xhtml', 'list', 'css_ul', 'wiki');
$wiki->setRenderConf('xhtml', 'list', 'css_ul_li', 'wiki');
$wiki->setRenderConf('xhtml', 'paragraph', 'css', 'wiki');
$wiki->setRenderConf('xhtml', 'table', 'css_table', 'wiki');
$wiki->setRenderConf('xhtml', 'table', 'css_tr', 'wiki');
$wiki->setRenderConf('xhtml', 'table', 'css_th', 'wiki');
$wiki->setRenderConf('xhtml', 'table', 'css_td', 'wiki');
$wiki->setRenderConf('xhtml', 'tt', 'css', 'wiki');
$wiki->setRenderConf('xhtml', 'url', 'css_inline', 'wiki');
$wiki->setRenderConf('xhtml', 'url', 'css_footnote', 'wiki');
$wiki->setRenderConf('xhtml', 'url', 'css_descr', 'wiki');
$wiki->setRenderConf('xhtml', 'url', 'css_img', 'wiki');
$wiki->setRenderConf('xhtml', 'wikilink', 'css', 'wiki');
$wiki->setRenderConf('xhtml', 'wikilink', 'css_new', 'wiki');
if (ALLOW_PROFANITY) {
$wikitext = $wiki->transform($wikitext);
} else {
$wikitext = $wiki->transform(PHPWS_Text::profanityFilter($wikitext));
}
if (PHPWS_Settings::get('wiki', 'allow_bbcode')) {
$wikitext = PHPWS_Text::bb2html($wikitext, 'wiki');
}
$wikitext = PHPWS_Text::fixAnchors($wikitext);
$wikitext = str_replace('%23', '#', $wikitext);
return PHPWS_Text::parseTag($wikitext);
}
public function getPrint()
{
if (empty($this->text)) {
return null;
}
$text = $this->text;
if (!$this->use_profanity) {
$text = PHPWS_Text::profanityFilter($text);
}
if ($this->use_strip_tags) {
$text = strip_tags($text, $this->allowed_tags);
}
if ($this->use_breaker) {
$text = PHPWS_Text::breaker($text);
}
if ($this->fix_anchors) {
$text = PHPWS_Text::fixAnchors($text);
}
if ($this->collapse_urls) {
$text = PHPWS_Text::collapseUrls($text);
}
return $text;
}