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<?php
/* $Id: phpweb.php 275525 2009-02-10 22:32:31Z cweiske $ */
require_once $ROOT . '/themes/php/phpdotnet.php';
class phpweb extends phpdotnet {
protected $streams = array();
protected $writeit = false;
public $outputdir = '';
public function __construct($IDs, $filename, $ext = "php", $chunked = true) {
parent::__construct($IDs, $filename, $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");
}
}
if (!file_exists($this->outputdir . "toc") || is_file($this->outputdir . "toc")) {
mkdir($this->outputdir . "toc") or die("Can't create the toc directory");
}
}
public function writeChunk($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);
$filename = "toc" . DIRECTORY_SEPARATOR . $parent . ".inc";
$up = array(null, null);
$incl = '';
$next = $prev = array(null, null);
if ($parent && $parent != "ROOT") {
$siblings = PhDHelper::getChildren($parent);
/* TODO:
* Maybe this isn't worth it.. but this, in theory, allows you
* to easily add new pages without needing to rebuild the entire
* section.
*/
if (!file_exists($this->outputdir . $filename)) {
$toc = array();
foreach($siblings as $sid => $array) {
$toc[] = array($sid.$ext, empty($array["sdesc"]) ? $array["ldesc"] : $array["sdesc"]);
}
$parents = array();
$p = $parent;
while (($p = PhDHelper::getParent($p)) && $p != "ROOT") {
$parents[] = array($p.$ext, PhDHelper::getDescription($p, true));
}
$content = '<?php
$TOC = ' . var_export($toc, true) . ';
$PARENTS = ' . var_export($parents, true) . ';';
file_put_contents($this->outputdir . $filename, $content);
v("Wrote TOC (%s)", $this->outputdir . $filename, VERBOSE_TOC_WRITING);
}
$incl = 'include_once dirname(__FILE__) ."/toc/' .$parent. '.inc";';
$up = array($this->getFilename($parent).$ext, PhDHelper::getDescription($parent, true));
$prev = $this->createPrev($id, $parent, $siblings);
$next = $this->createNext($id, $parent, $siblings);
}
$setup = array(
"home" => array('index'.$ext, "PHP Manual"),
"head" => array("UTF-8", $this->lang),
"this" => array($id.$ext, PhDHelper::getDescription($id)),
"up" => $up,
"prev" => $prev,
"next" => $next,
);
$var = var_export($setup, true);
/* Yes. This is scary. I know. */
return '<?php
include_once $_SERVER[\'DOCUMENT_ROOT\'] . \'/include/shared-manual.inc\';
$TOC = array();
$PARENTS = array();
'.$incl.'
$setup = '.$var.';
$setup["toc"] = $TOC;
$setup["parents"] = $PARENTS;
manual_setup($setup);
manual_header();
?>
';
}
public function footer($id) {
return "<?php manual_footer(); ?>";
}
protected function createPrev($id, $parent, $siblings) {
$ext = '.' .$this->ext;
if (!isset($siblings[$id])) {
return array(null, null);
}
// Seek to $id
while(list($tmp,) = each($siblings)) {
if ($tmp == $id) {
// Set the internal pointer back to $id
if (prev($siblings) === false) {
end($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 . "manual.php") && !file_exists($this->outputdir . "index.php")) {
copy($this->outputdir . "manual.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);
}
}
/*
* vim600: sw=4 ts=4 fdm=syntax syntax=php et
* vim<600: sw=4 ts=4
*/
|
