if (!is_readable($file)) {
throw new Exception("Unable to load library file: {$file} - File is not readable.");
}
require $file;
}
/**
* Route is based upon current request uri
* Routing is executed by UserRoute::$route()
* Uri is stripped of all characters except for letters and numbers to perform php function call
* example: /some-page would execute the php function UserRoute::somepage()
*/
$routing = $template->findRoute($uri);
if ($routing !== false && is_callable($routing)) {
$routing($template, $mysql, $user, $cookie, $form);
} else {
Lhp::Debug("NO ROUTING FUNCTION FOUND");
}
/**
* Redirect to URL if applicable
*/
if ($template->getRedirect() !== null) {
$mysql->disconnect();
LhpBrowser::redirectToUrl($template->getRedirect(), 302);
}
/**
* Load template file, parse template placeholders and print to screen
* Template file is based upon current request uri (route) (/somepage.html or /somepage = somepage.tpl.htm)
*/
if (!$template->getAjax()) {
$template->loadTemplateFile($user);
$template->parseBlocks();
/**
* parseBlocks - parse template blocks <lhp>...</lhp> with object / associative array data
* We must parse blocks first, as parsing the whole template first will overwrite the data within the blocks
*
* @return array
*
* @throws exception
*/
public function parseBlocks()
{
global $mysql, $form;
$pagelink_info = array();
/** go through each <lhp>...</lhp> block and parse placeholders */
preg_match_all('/<lhp((?:\\s+(?:\\w+)="(?:.*?)")+?)\\s*>(.*?)<\\/lhp>/si', $this->html, $matches);
for ($a = 0, $b = count($matches[1]); $a < $b; $a++) {
/** Set block paramaters */
$params_str = $matches[1][$a];
$params = array('type' => null, 'query' => null, 'cols' => 0, 'pagelinks' => null, 'pages' => 10, 'name' => null, 'class_on' => null, 'class_off' => null, 'class_next' => null, 'class_prev' => null, 'func' => null, 'functype' => null);
preg_match_all('/\\s+(\\w+)="(.*?)"/', $params_str, $pmatches);
for ($c = 0, $d = count($pmatches[1]); $c < $d; $c++) {
if (isset($pmatches[1][$c])) {
$key = strtolower($pmatches[1][$c]);
$params[$key] = $this->parse($pmatches[2][$c]);
//print "$key = " . $params[$key] . "<BR>";
if ($params[$key] === 'true') {
$params[$key] = true;
} else {
if ($params[$key] === 'false') {
$params[$key] = false;
}
}
}
}
unset($pmatches);
/** Set active and else blocks */
$block = $matches[2][$a];
$block_else = null;
if (preg_match('/(<lhp:else>)/i', $block, $imatches)) {
list($block, $block_else) = explode($imatches[1], $block);
}
//print "<BR><BR>outer = " . htmlentities($matches[0][$a]) . "<BR>\n";
//print "params = <BR>\n";
//foreach($params as $key=>$val) {
// print " $key = $val<BR>\n";
//}
//print "inner = " . htmlentities($block) . "<BR>\n";
//print "else = " . htmlentities($block_else) . "<BR>\n";
/** build html block by specified type */
$complete_html = '';
$counter = 1;
if ($params['type'] === 'mysql') {
//print "query = " . $params['query'] . "<BR>";
$offset = $form->get('offset');
$start = 0;
$increment = 0;
$rows_found = 0;
if (preg_match('/(?:(\\d+|%d),)?\\s*(\\d+)$/', $params['query'], $smatches)) {
$start = isset($smatches[1]) ? $smatches[1] : $start;
$increment = isset($smatches[2]) ? $smatches[2] : $increment;
} else {
if (preg_match('/%d,\\s*%d$/', $params['query'], $smatches)) {
$start = $form->get('start_limit');
$params['query'] = sprintf($params['query'], $form->get('start_limit'), $form->get('end_limit'));
}
}
if ($start === '%d') {
$start = $offset * $increment;
$params['query'] = sprintf($params['query'], $start);
}
$counter = $counter + $start;
while ($row = $mysql->fetch($params['query'])) {
/** execute optional function parameter to add more template variables */
if ($params['func'] !== null && $params['functype'] !== null && is_callable($params['func'])) {
$params['func']($row, $params['functype']);
}
if ($params['cols'] > 0 && ($counter - 1) % $params['cols'] === 0) {
$complete_html .= "\n<tr>\n";
}
$row['counter'] = $counter;
$complete_html .= $this->parse($block, $row);
if ($params['cols'] > 0 && $counter % $params['cols'] === 0) {
$complete_html .= "\n</tr>\n";
}
$counter++;
}
/** get total number of rows if SQL_CALC_FOUND_ROWS found in query */
/** mainly used for generating pagelinks on content listing / search listing pages */
if (preg_match('/SQL_CALC_FOUND_ROWS/', $params['query'])) {
$rows_found = $mysql->getFoundRows();
$total_pages = floor($rows_found / $increment) + ($rows_found % $increment > 0 ? 1 : 0);
$this->data['pages_found'] = $total_pages;
$this->data['rows_found'] = $rows_found;
if ($params['pagelinks'] !== null) {
$pagelink_info[$params['pagelinks']] = $total_pages;
}
Lhp::Debug("rows_found = {$rows_found}");
Lhp::Debug("pages_found = {$total_pages}");
}
} else {
if ($params['type'] === 'pagelinks' && isset($pagelink_info[$params['name']])) {
$total_pages = $pagelink_info[$params['name']];
// print "total_pages = $total_pages<BR>";
$pagelinks = "";
$start_page = 0;
$end_page = $total_pages;
if ($total_pages > $params['pages']) {
if ($offset > floor($params['pages'] / 2)) {
$start_page = $offset - floor($params['pages'] / 2);
}
$end_page = $start_page + $params['pages'];
if ($end_page > $total_pages) {
$end_page = $total_pages;
$start_page -= $params['pages'] - ($end_page - $start_page);
}
}
if ($total_pages > 1) {
$pagelinks .= '<a href="?offset=' . ($offset === 0 ? $total_pages - 1 : $offset - 1) . '" class="' . $params['class_prev'] . '">« PREV</a>';
}
for ($c = $start_page, $d = $end_page; $c < $d; $c++) {
$page_number = $c + 1;
if ($c == $offset) {
$pagelinks .= '<a href="?offset=' . $c . '" class="' . $params['class_on'] . '">' . $page_number . '</a>';
} else {
$pagelinks .= '<a href="?offset=' . $c . '" class="' . $params['class_off'] . '">' . $page_number . '</a>';
}
}
if ($total_pages > 1) {
$pagelinks .= '<a href="?offset=' . ($offset === $total_pages - 1 ? 0 : $offset + 1) . '" class="' . $params['class_next'] . '">NEXT »</a>';
}
$complete_html = $this->parse($block, array('pagelinks' => $pagelinks));
}
}
/** for empty results for lists that have an <lhp:else> block */
if (empty($complete_html) && $block_else !== null) {
$complete_html = $block_else;
}
/** update block placeholder with parsed html */
$this->html = preg_replace('/' . preg_quote($matches[0][$a], '/') . '/', $complete_html, $this->html);
}
}