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<?php
require_once $ROOT . '/themes/pear/peartheme.php';
class pearweb extends peartheme {
protected $streams = array();
protected $writeit = false;
protected $outputdir = '';
public function __construct($IDs, $ext = "php", $chunked = true) {
parent::__construct($IDs, $ext, $chunked);
$this->outputdir = $GLOBALS['OPTIONS']['output_dir'] . $this->ext . DIRECTORY_SEPARATOR;
if (!file_exists($this->outputdir) || is_file($this->outputdir)) {
mkdir($this->outputdir) or die("Can't create the cache directory");
} else {
if (file_exists($this->outputdir . "index.php")) {
unlink($this->outputdir . "index.php");
}
}
}
public function writeChunk($id, $stream) {
rewind($stream);
// Create random filename when the chunk doesn't have an ID
if ($id === null) {
$filename = tempnam($this->outputdir, 'phd');
$newfilename = $this->outputdir . basename($filename, '.tmp') . '.' . $this->ext;
if(rename($filename, $newfilename)) {
$filename = basename($filename, '.tmp');
} else {
throw new Exception("Cannot rename $filename to $newfilename");
}
trigger_error("Chunk without an ID found, TOC will NOT work. Wrote content to $newfilename.", E_USER_WARNING);
} else {
$filename = $id;
}
$filename .= '.' . $this->ext;
file_put_contents($this->outputdir . $filename, $this->header($id));
file_put_contents($this->outputdir . $filename, $stream, FILE_APPEND);
file_put_contents($this->outputdir . $filename, $this->footer($id), FILE_APPEND);
v("Wrote %s", $this->outputdir . $filename, VERBOSE_CHUNK_WRITING);
}
public function appendData($data, $isChunk) {
switch($isChunk) {
case PhDReader::CLOSE_CHUNK:
$id = $this->CURRENT_ID;
$stream = array_pop($this->streams);
$retval = fwrite($stream, $data);
$this->writeChunk($id, $stream);
fclose($stream);
$this->CURRENT_ID = null;
return $retval;
break;
case PhDReader::OPEN_CHUNK:
$this->streams[] = fopen("php://temp/maxmemory", "r+");
default:
$stream = end($this->streams);
$retval = fwrite($stream, $data);
return $retval;
}
}
public function header($id) {
$ext = "." . $this->ext;
$parent = PhDHelper::getParent($id);
if (!$parent || $parent == "ROOT")
return '<?php
sendManualHeaders("UTF-8","en");
setupNavigation(array(
"home" => array("index.php", "PEAR Manual"),
"prev" => array("#", ""),
"next" => array("#", ""),
"up" => array("#", ""),
"toc" => array(
array("#", ""))));
manualHeader("PEAR Manual","index.php");
?>
';
// Fetch the siblings information
$toc = array();
$siblings = PhDHelper::getChildren($parent);
foreach($siblings as $sibling => $array) {
$toc[] = array($sibling.$ext, empty($array["sdesc"]) ? $array["ldesc"] : $array["sdesc"]);
}
// Build the PEAR navigation table
$nav = array(
'home' => array('index' . $ext, 'PEAR Manual'),
'prev' => $this->createPrev($id, $parent, $siblings),
'next' => $this->createNext($id, $parent, $siblings),
'up' => array($this->getFilename($parent).$ext, PhDHelper::getDescription($parent, true)),
'toc' => $toc
);
return "<?php \n" .
"sendManualHeaders(\"UTF-8\", {$this->lang});\n" .
"setupNavigation(" . var_export($nav, true) . ");\n" .
'manualHeader("' . $this->getFilename($id).$ext . '", "' . PhDHelper::getDescription($id, true) . '");' . "\n" .
"?>\n";
}
public function footer($id) {
$ext = $this->ext . ".";
$parent = PhDHelper::getParent($id);
return '<?php manualFooter("' . $this->getFilename($id).$ext . '", "' . PhDHelper::getDescription($id, true) . '"); ?>\n';
}
protected function createPrev($id, $parent, $siblings) {
if (!isset($siblings[$id]) || $parent == 'ROOT') {
return array(null, null);
}
$ext = '.' .$this->ext;
// Seek to $id
while (list($tmp,) = each($siblings)) {
if ($tmp == $id) {
// Set the internal pointer back to $id
prev($siblings);
break;
}
}
$tmp = prev($siblings);
if ($tmp) {
while (!empty($tmp["children"])) {
$tmp = end($tmp["children"]);
}
return array($tmp["filename"].$ext, (empty($tmp["sdesc"]) ? $tmp["ldesc"] : $tmp["sdesc"]));
break;
}
return array(PhDHelper::getFilename($parent).$ext, PhDHelper::getDescription($parent, false));
}
protected function createNext($id, $parent, $siblings) {
$ext = '.' .$this->ext;
$next = array(null, null);
// {{{ Create the "next" link
if (!empty($siblings[$id]["children"])) {
$tmp = reset($siblings[$id]["children"]);
return array($tmp["filename"].$ext, (empty($tmp["sdesc"]) ? $tmp["ldesc"] : $tmp["sdesc"]));
}
do {
if (!isset($siblings[$id])) {
break;
}
// Seek to $id
while(list($tmp,) = each($siblings)) {
if ($tmp == $id) {
break;
}
}
$tmp = current($siblings);
prev($siblings); // Reset the internal pointer to previous pos
if ($tmp) {
$next = array($tmp["filename"].$ext, (empty($tmp["sdesc"]) ? $tmp["ldesc"] : $tmp["sdesc"]));
break;
}
// We are the end element in this chapter
$grandpa = PhDHelper::getParent($parent);
if (!$grandpa || $grandpa == "ROOT") {
// There is no next relative
break;
}
$siblings = PhDHelper::getChildren($grandpa);
$id = $parent;
$parent = $grandpa;
} while(true);
return $next;
}
public function __destruct() {
if (file_exists($this->outputdir . "guide.php") && !file_exists($this->outputdir . "index.php")) {
copy($this->outputdir . "guide.php", $this->outputdir . "index.php");
}
}
public function format_qandaset($open, $name, $attrs) {
if ($open) {
$this->cchunk["qandaentry"] = array();
$this->appendData(null, PhDReader::OPEN_CHUNK);
return '';
}
$stream = array_pop($this->streams);
rewind($stream);
return parent::qandaset($stream);
}
}
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