pages = new Yellow_Pages($this);
$this->toolbox = new Yellow_Toolbox();
$this->config = new Yellow_Config();
$this->text = new Yellow_Text();
$this->plugins = new Yellow_Plugins();
$this->config->setDefault("sitename", "Yellow");
$this->config->setDefault("author", "Yellow");
$this->config->setDefault("language", "en");
$this->config->setDefault("template", "default");
$this->config->setDefault("style", "default");
$this->config->setDefault("parser", "markdown");
$this->config->setDefault("serverName", $this->toolbox->getServerName());
$this->config->setDefault("serverBase", $this->toolbox->getServerBase());
$this->config->setDefault("styleLocation", "/media/styles/");
$this->config->setDefault("imageLocation", "/media/images/");
$this->config->setDefault("pluginLocation", "media/plugins/");
$this->config->setDefault("systemDir", "system/");
$this->config->setDefault("configDir", "system/config/");
$this->config->setDefault("pluginDir", "system/plugins/");
$this->config->setDefault("snippetDir", "system/snippets/");
$this->config->setDefault("templateDir", "system/templates/");
$this->config->setDefault("mediaDir", "media/");
$this->config->setDefault("styleDir", "media/styles/");
$this->config->setDefault("imageDir", "media/images/");
$this->config->setDefault("contentDir", "content/");
$this->config->setDefault("contentHomeDir", "home/");
$this->config->setDefault("contentDefaultFile", "page.txt");
$this->config->setDefault("contentExtension", ".txt");
$this->config->setDefault("configExtension", ".ini");
$this->config->setDefault("configFile", "config.ini");
$this->config->setDefault("errorPageFile", "error(.*).txt");
$this->config->setDefault("textStringFile", "text_(.*).ini");
$this->config->load($this->config->get("configDir").$this->config->get("configFile"));
$this->text->load($this->config->get("configDir").$this->config->get("textStringFile"), $this->toolbox);
}
// Handle request
function request($statusCodeRequest = 200)
{
$this->toolbox->timerStart($time);
ob_start();
$statusCode = 0;
$serverName = $this->config->get("serverName");
$serverBase = $this->config->get("serverBase");
$location = $this->getRelativeLocation($serverBase);
$fileName = $this->getContentFileName($location);
$this->page = new Yellow_Page($this, $location);
foreach($this->plugins->plugins as $key=>$value)
{
if(method_exists($value["obj"], "onRequest"))
{
$this->pages->requestHandler = $key;
$statusCode = $value["obj"]->onRequest($serverName, $serverBase, $location, $fileName);
if($statusCode != 0) break;
}
}
if($statusCode == 0)
{
$this->pages->requestHandler = "core";
$statusCode = $this->processRequest($serverName, $serverBase, $location, $fileName, true, $statusCode);
}
if($statusCodeRequest > 200) $this->page->error($statusCodeRequest, "Request error");
if($this->isRequestError())
{
ob_clean();
$statusCode = $this->processRequestError();
}
ob_end_flush();
$this->toolbox->timerStop($time);
if(defined("DEBUG") && DEBUG>=1) echo "Yellow::request status:$statusCode location:$location
\n";
if(defined("DEBUG") && DEBUG>=1) echo "Yellow::request time:$time ms
\n";
return $statusCode;
}
// Process request
function processRequest($serverName, $serverBase, $location, $fileName, $cacheable, $statusCode)
{
$handler = $this->getRequestHandler();
if($statusCode == 0)
{
if(is_readable($fileName))
{
$statusCode = 200;
$fileName = $this->readPage($serverBase, $location, $fileName, $cacheable, $statusCode);
if($this->page->isExisting("redirect") && $handler=="core")
{
$statusCode = 301;
$locationHeader = $this->toolbox->getHttpLocationHeader($serverName, $serverBase, $this->page->get("redirect"));
$this->page->statusCode = 0;
$this->header($locationHeader);
$this->sendStatus($statusCode, $locationHeader);
}
} else {
if($this->toolbox->isFileLocation($location) && is_dir($this->getContentDirectory("$location/")))
{
$statusCode = 301;
$this->sendStatus($statusCode, $this->toolbox->getHttpLocationHeader($serverName, $serverBase, "$location/"));
} else {
$statusCode = 404;
$fileName = $this->readPage($serverBase, $location, $fileName, $cacheable, $statusCode);
}
}
} else if($statusCode >= 400) {
$fileName = $this->readPage($serverBase, $location, $fileName, $cacheable, $statusCode);
}
if($this->page->statusCode != 0) $statusCode = $this->sendPage();
if(defined("DEBUG") && DEBUG>=1) echo "Yellow::processRequest handler:$handler base:$serverBase file:$fileName
\n";
return $statusCode;
}
// Process request with error
function processRequestError()
{
$handler = $this->getRequestHandler();
$serverBase = $this->pages->serverBase;
$fileName = $this->readPage($serverBase, $this->page->location, $this->page->fileName, $this->page->cacheable,
$this->page->statusCode, $this->page->get("pageError"));
$statusCode = $this->sendPage();
if(defined("DEBUG") && DEBUG>=1) echo "Yellow::processRequestError handler:$handler base:$serverBase file:$fileName
\n";
return $statusCode;
}
// Read page from file
function readPage($serverBase, $location, $fileName, $cacheable, $statusCode, $pageError = "")
{
if($statusCode >= 400)
{
$fileName = $this->config->get("configDir").$this->config->get("errorPageFile");
$fileName = strreplaceu("(.*)", $statusCode, $fileName);
$cacheable = false;
}
$fileHandle = @fopen($fileName, "r");
if($fileHandle)
{
$fileData = fread($fileHandle, filesize($fileName));
fclose($fileHandle);
}
$this->pages->serverBase = $serverBase;
$this->page = new Yellow_Page($this, $location);
$this->page->parseData($fileName, $fileData, $cacheable, $statusCode, $pageError);
$this->page->parseContent();
$this->text->setLanguage($this->page->get("language"));
return $fileName;
}
// Send page response
function sendPage()
{
$this->template($this->page->get("template"));
$fileNameTemplate = $this->config->get("templateDir").$this->page->get("template").".php";
$fileNameStyle = $this->config->get("styleDir").$this->page->get("style").".css";
if(!is_file($fileNameStyle))
{
$this->page->error(500, "Style '".$this->page->get("style")."' does not exist!");
}
if(!$this->plugins->isExisting($this->page->get("parser")))
{
$this->page->error(500, "Parser '".$this->page->get("parser")."' does not exist!");
}
$statusCode = $this->page->statusCode;
if($statusCode==200 && $this->page->isCacheable() &&
$this->toolbox->isFileNotModified($this->page->getHeader("Last-Modified")))
{
ob_clean();
$statusCode = 304;
}
if(PHP_SAPI != "cli")
{
@header($this->toolbox->getHttpStatusFormatted($statusCode));
if($statusCode != 304) foreach($this->page->headerData as $key=>$value) @header("$key: $value");
}
if(defined("DEBUG") && DEBUG>=1)
{
foreach($this->page->headerData as $key=>$value) echo "Yellow::sendPage $key: $value
\n";
echo "Yellow::sendPage template:$fileNameTemplate style:$fileNameStyle
\n";
}
return $statusCode;
}
// Send status response
function sendStatus($statusCode, $text = "")
{
if(PHP_SAPI != "cli")
{
@header($this->toolbox->getHttpStatusFormatted($statusCode));
if(!empty($text)) @header($text);
}
}
// Return name of request handler
function getRequestHandler()
{
return $this->pages->requestHandler;
}
// Check for request error
function isRequestError()
{
$serverBase = $this->config->get("serverBase");
if(!empty($serverBase) && !$this->toolbox->isValidLocation($serverBase))
{
$this->page->error(500, "Server base '$serverBase' not supported!");
}
return $this->page->isExisting("pageError");
}
// Execute a template
function template($name)
{
$fileNameTemplate = $this->config->get("templateDir")."$name.php";
if(is_file($fileNameTemplate))
{
global $yellow;
require($fileNameTemplate);
} else {
$this->page->error(500, "Template '$name' does not exist!");
}
}
// Execute a template snippet
function snippet($name, $args = NULL)
{
$this->pages->snippetArgs = func_get_args();
$fileNameSnippet = $this->config->get("snippetDir")."$name.php";
if(is_file($fileNameSnippet))
{
global $yellow;
require($fileNameSnippet);
} else {
$this->page->error(500, "Snippet '$name' does not exist!");
}
}
// Return template snippet arguments
function getSnippetArgs()
{
return $this->pages->snippetArgs;
}
// Return extra HTML header lines
function getHeaderExtra()
{
$header = "";
foreach($this->plugins->plugins as $key=>$value)
{
if(method_exists($value["obj"], "onHeaderExtra")) $header .= $value["obj"]->onHeaderExtra();
}
return $header;
}
// Return content location for current HTTP request, without server base
function getRelativeLocation($serverBase)
{
$location = $this->toolbox->getRequestLocation();
$location = $this->toolbox->normaliseLocation($location);
return substru($location, strlenu($serverBase));
}
// Return content file name from location
function getContentFileName($location)
{
return $this->toolbox->findFileFromLocation($location,
$this->config->get("contentDir"), $this->config->get("contentHomeDir"),
$this->config->get("contentDefaultFile"), $this->config->get("contentExtension"));
}
// Return content directory from location
function getContentDirectory($location)
{
return $this->toolbox->findFileFromLocation($location,
$this->config->get("contentDir"), $this->config->get("contentHomeDir"), "", "");
}
// Execute a plugin command
function plugin($name, $args = NULL)
{
$statusCode = 0;
if($this->plugins->isExisting($name))
{
$plugin = $this->plugins->plugins[$name];
if(method_exists($plugin["obj"], "onCommand")) $statusCode = $plugin["obj"]->onCommand(func_get_args());
} else {
$statusCode = 500;
$this->page->error($statusCode, "Plugin '$name' does not exist!");
}
return $statusCode;
}
// Register plugin
function registerPlugin($name, $class, $version)
{
$this->plugins->register($name, $class, $version);
}
// Set a response header
function header($text)
{
$tokens = explode(':', $text, 2);
$this->page->setHeader(trim($tokens[0]), trim($tokens[1]));
}
}
// Yellow page data
class Yellow_Page
{
var $yellow; //access to API
var $location; //page location
var $fileName; //content file name
var $rawData; //raw data of page
var $metaDataOffsetBytes; //meta data offset
var $metaData; //meta data of page
var $headerData; //response header of page
var $parser; //parser for page content
var $active; //page is active location? (boolean)
var $visible; //page is visible location? (boolean)
var $cacheable; //page is cacheable? (boolean)
var $statusCode; //status code of page
function __construct($yellow, $location)
{
$this->yellow = $yellow;
$this->location = $location;
$this->metaData = array();
$this->headerData = array();
$this->statusCode = 0;
}
// Parse page data
function parseData($fileName, $rawData, $cacheable, $statusCode, $pageError = "")
{
$this->fileName = $fileName;
$this->rawData = $rawData;
$this->active = $this->yellow->toolbox->isActiveLocation($this->yellow->pages->serverBase, $this->location,
$this->yellow->page->location);
$this->visible = $this->yellow->toolbox->isVisibleLocation($this->yellow->pages->serverBase, $this->location,
$fileName, $this->yellow->config->get("contentDir"));
$this->cacheable = $cacheable;
$this->statusCode = $statusCode;
if(!empty($pageError)) $this->error($statusCode, $pageError);
$this->parseMeta();
}
// Parse page meta data
function parseMeta()
{
$this->set("title", $this->yellow->toolbox->createTextTitle($this->location));
$this->set("modified", date("c", is_readable($this->fileName) ? filemtime($this->fileName) : 0));
$this->set("sitename", $this->yellow->config->get("sitename"));
$this->set("author", $this->yellow->config->get("author"));
$this->set("language", $this->yellow->config->get("language"));
$this->set("template", $this->yellow->config->get("template"));
$this->set("style", $this->yellow->config->get("style"));
$this->set("parser", $this->yellow->config->get("parser"));
if(preg_match("/^(\-\-\-[\r\n]+)(.+?)([\r\n]+\-\-\-[\r\n]+)/s", $this->rawData, $parsed))
{
$this->metaDataOffsetBytes = strlenb($parsed[0]);
foreach(preg_split("/[\r\n]+/", $parsed[2]) as $line)
{
preg_match("/^\s*(.*?)\s*:\s*(.*?)\s*$/", $line, $matches);
if(!empty($matches[1]) && !empty($matches[2])) $this->set(lcfirst($matches[1]), $matches[2]);
}
} else if(preg_match("/^([^\r\n]+)([\r\n]+=+[\r\n]+)/", $this->rawData, $parsed)) {
$this->metaDataOffsetBytes = strlenb($parsed[0]);
$this->set("title", $parsed[1]);
}
$titleHeader = $this->location!="/" ? $this->get("title")." - ".$this->get("sitename") : $this->get("sitename");
if(!$this->isExisting("titleHeader")) $this->set("titleHeader", $titleHeader);
if(!$this->isExisting("titleNavigation")) $this->set("titleNavigation", $this->get("title"));
$this->set("pageRead", $this->yellow->config->get("serverBase").$this->location);
$this->set("pageEdit", $this->yellow->config->get("serverBase").
rtrim($this->yellow->config->get("webinterfaceLocation"), '/').$this->location);
foreach($this->yellow->plugins->plugins as $key=>$value)
{
if(method_exists($value["obj"], "onParseMeta"))
{
$output = $value["obj"]->onParseMeta($this, $this->rawData);
if(!is_null($output)) { $this->rawData = $output; break; }
}
}
if($this == $this->yellow->page)
{
$this->setHeader("Content-Type", "text/html; charset=UTF-8");
$this->setHeader("Last-Modified", $this->getModified(true));
if(!$this->isCacheable()) $this->setHeader("Cache-Control", "no-cache, must-revalidate");
}
}
// Parse page content
function parseContent()
{
if(!is_object($this->parser))
{
$this->parser = new stdClass;
if($this->yellow->plugins->isExisting($this->get("parser")))
{
$this->parser = $this->yellow->plugins->plugins[$this->get("parser")]["obj"];
$this->parser->parse(substrb($this->rawData, $this->metaDataOffsetBytes));
$baseLocation = $this->yellow->pages->serverBase.$this->location;
$baseLocation = ($pos = strrposu($baseLocation, '/')) ? substru($baseLocation, 0, $pos) : $baseLocation;
$this->parser->textHtml = preg_replace("##",
"", $this->parser->textHtml);
}
foreach($this->yellow->plugins->plugins as $key=>$value)
{
if(method_exists($value["obj"], "onParseContent"))
{
$output = $value["obj"]->onParseContent($this, $this->parser->textHtml);
if(!is_null($output)) { $this->parser->textHtml = $output; break; }
}
}
if(!$this->isExisting("description"))
{
$this->set("description", $this->yellow->toolbox->createTextDescription($this->parser->textHtml, 150));
}
if(!$this->isExisting("keywords"))
{
$this->set("keywords", $this->yellow->toolbox->createTextKeywords($this->get("title"), 10));
}
if(defined("DEBUG") && DEBUG>=2) echo "Yellow_Page::parseContent location:".$this->location."
\n";
}
}
// Parse custom type
function parseType($name, $text, $typeShortcut)
{
$output = NULL;
foreach($this->yellow->plugins->plugins as $key=>$value)
{
if(method_exists($value["obj"], "onParseType"))
{
$output = $value["obj"]->onParseType($name, $text, $typeShortcut);
if(!is_null($output)) break;
}
}
return $output;
}
// Respond with error page
function error($statusCode, $pageError = "")
{
if(!$this->isExisting("pageError"))
{
$this->statusCode = $statusCode;
$this->set("pageError", empty($pageError) ? "Template/snippet error" : $pageError);
}
}
// Set page response header
function setHeader($key, $value)
{
$this->headerData[$key] = $value;
}
// Return page response header
function getHeader($key)
{
return $this->isHeader($key) ? $this->headerData[$key] : "";
}
// Set page meta data
function set($key, $value)
{
$this->metaData[$key] = $value;
}
// Return page meta data
function get($key)
{
return $this->isExisting($key) ? $this->metaData[$key] : "";
}
// Return page meta data, HTML encoded
function getHtml($key)
{
return htmlspecialchars($this->get($key));
}
// Return page content, HTML encoded
function getContent()
{
$this->parseContent();
return $this->parser->textHtml;
}
// Return absolute page location
function getLocation()
{
return $this->yellow->pages->serverBase.$this->location;
}
// Return page modification time, Unix time
function getModified($httpFormat = false)
{
$modified = strtotime($this->get("modified"));
return $httpFormat ? $this->yellow->toolbox->getHttpTimeFormatted($modified) : $modified;
}
// Return page status code
function getStatusCode($httpFormat = false)
{
$statusCode = $this->statusCode;
if($httpFormat)
{
$statusCode = $this->yellow->toolbox->getHttpStatusFormatted($statusCode);
if($this->isExisting("pageError")) $statusCode .= ": ".$this->get("pageError");
}
return $statusCode;
}
// Return parent page relative to current page
function getParent()
{
$parentLocation = $this->yellow->pages->getParentLocation($this->location);
return $this->yellow->pages->find($parentLocation, false)->first();
}
// Return top-level parent page of current page
function getParentTop()
{
$parentTopLocation = $this->yellow->pages->getParentTopLocation($this->location);
return $this->yellow->pages->find($parentTopLocation, false)->first();
}
// Return pages on the same level as current page
function getSiblings($showHidden = false)
{
$parentLocation = $this->yellow->pages->getParentLocation($this->location);
return $this->yellow->pages->findChildren($parentLocation, $showHidden);
}
// Return child pages relative to current page
function getChildren($showHidden = false)
{
return $this->yellow->pages->findChildren($this->location, $showHidden);
}
// Check if response header exists
function isHeader($key)
{
return !is_null($this->headerData[$key]);
}
// Check if meta data exists
function isExisting($key)
{
return !is_null($this->metaData[$key]);
}
// Check if page is within current HTTP request
function isActive()
{
return $this->active;
}
// Check if page is visible in navigation
function isVisible()
{
return $this->visible;
}
// Check if page is cacheable
function isCacheable()
{
return $this->cacheable;
}
}
// Yellow page collection as array
class Yellow_PageCollection extends ArrayObject
{
var $yellow; //access to API
var $location; //common location
var $paginationPage; //current page number in pagination
var $paginationCount; //highest page number in pagination
function __construct($yellow, $location)
{
parent::__construct(array());
$this->yellow = $yellow;
$this->location = $location;
}
// Filter page collection by meta data
function filter($key, $value, $exactMatch = true)
{
if(!empty($key))
{
$array = array();
$value = strtoloweru($value);
$valueLength = strlenu($value);
foreach($this->getArrayCopy() as $page)
{
if($page->isExisting($key))
{
foreach(preg_split("/,\s*/", strtoloweru($page->get($key))) as $valuePage)
{
$length = $exactMatch ? strlenu($valuePage) : $valueLength;
if($value == substru($valuePage, 0, $length)) array_push($array, $page);
}
}
}
$this->exchangeArray($array);
}
return $this;
}
// Sort page collection by meta data
function sort($key, $ascendingOrder = true)
{
$callback = function($a, $b) use ($key, $ascendingOrder)
{
return $ascendingOrder ?
strnatcasecmp($a->get($key), $b->get($key)) :
strnatcasecmp($b->get($key), $a->get($key));
};
$array = $this->getArrayCopy();
usort($array, $callback);
$this->exchangeArray($array);
return $this;
}
// Merge page collection
function merge($input)
{
$this->exchangeArray(array_merge($this->getArrayCopy(), (array)$input));
return $this;
}
// Append to end of page collection
function append($page)
{
parent::append($page);
return $this;
}
// Prepend to start of page collection
function prepend($page)
{
$array = $this->getArrayCopy();
array_unshift($array, $page);
$this->exchangeArray($array);
return $this;
}
// Limit the number of pages in page collection
function limit($pagesMax)
{
$this->exchangeArray(array_slice($this->getArrayCopy(), 0, $pagesMax));
return $this;
}
// Reverse page collection
function reverse()
{
$this->exchangeArray(array_reverse($this->getArrayCopy()));
return $this;
}
// Paginate page collection
function pagination($limit, $reverse = true)
{
$array = $this->getArrayCopy();
if($reverse) $array = array_reverse($array);
$this->paginationPage = 1;
$this->paginationCount = ceil($this->count() / $limit);
if($limit < $this->count() && isset($_REQUEST["page"])) $this->paginationPage = max(1, $_REQUEST["page"]);
$this->exchangeArray(array_slice($array, ($this->paginationPage - 1) * $limit, $limit));
return $this;
}
// Return current page number in pagination
function getPaginationPage()
{
return $this->paginationPage;
}
// Return highest page number in pagination
function getPaginationCount()
{
return $this->paginationCount;
}
// Return absolute location for a page in pagination
function getLocationPage($pageNumber)
{
if($pageNumber>=1 && $pageNumber<=$this->paginationCount)
{
$locationArgs = $this->yellow->toolbox->getRequestLocationArgs($pageNumber>1 ? "page:$pageNumber" : "page:");
$location = $this->yellow->pages->serverBase.$this->location.$locationArgs;
}
return $location;
}
// Return absolute location for previous page in pagination
function getLocationPrevious()
{
$pageNumber = $this->paginationPage;
$pageNumber = ($pageNumber>1 && $pageNumber<=$this->paginationCount) ? $pageNumber-1 : 0;
return $this->getLocationPage($pageNumber);
}
// Return absolute location for next page in pagination
function getLocationNext()
{
$pageNumber = $this->paginationPage;
$pageNumber = ($pageNumber>=1 && $pageNumber<$this->paginationCount) ? $pageNumber+1 : 0;
return $this->getLocationPage($pageNumber);
}
// Return last modification time for page collection, Unix time
function getModified($httpFormat = false)
{
$modified = 0;
foreach($this->getIterator() as $page) $modified = max($modified, $page->getModified());
return $httpFormat ? $this->yellow->toolbox->getHttpTimeFormatted($modified) : $modified;
}
// Return first page in page collection
function first()
{
return $this->offsetGet(0);
}
// Return last page in page collection
function last()
{
return $this->offsetGet($this->count()-1);
}
// Check if there is an active pagination
function isPagination()
{
return $this->paginationCount > 1;
}
}
// Yellow page tree from file system
class Yellow_Pages
{
var $yellow; //access to API
var $pages; //scanned pages
var $requestHandler; //request handler
var $serverBase; //requested server base
var $snippetArgs; //requested snippet arguments
function __construct($yellow)
{
$this->pages = array();
$this->yellow = $yellow;
}
// Return empty page collection
function create()
{
return new Yellow_PageCollection($this->yellow, "");
}
// Return pages from file system
function index($showHidden = false, $levelMax = 0)
{
return $this->findChildrenRecursive("", $showHidden, $levelMax);
}
// Return page collection with top-level navigation
function top($showHidden = false)
{
return $this->findChildren("", $showHidden);
}
// Return page collection with path ancestry
function path($location, $absoluteLocation = false)
{
if($absoluteLocation) $location = substru($location, strlenu($this->serverBase));
$pages = $this->find($location, false);
for($page=$pages->first(); $page; $page=$parent)
{
if($parent = $page->getParent()) $pages->prepend($parent);
else if($page->location!="/" && $home = $this->find("/", false)->first()) $pages->prepend($home);
}
return $pages;
}
// Return page collection with a specific page
function find($location, $absoluteLocation = false)
{
if($absoluteLocation) $location = substru($location, strlenu($this->serverBase));
$parentLocation = $this->getParentLocation($location);
$this->scanChildren($parentLocation);
$pages = new Yellow_PageCollection($this->yellow, $parentLocation);
foreach($this->pages[$parentLocation] as $page) if($page->location == $location) { $pages->append($page); break; }
return $pages;
}
// Find child pages
function findChildren($location, $showHidden = false)
{
$this->scanChildren($location);
$pages = new Yellow_PageCollection($this->yellow, $location);
foreach($this->pages[$location] as $page) if($page->isVisible() || $showHidden) $pages->append($page);
return $pages;
}
// Find child pages recursively
function findChildrenRecursive($location, $showHidden = false, $levelMax = 0)
{
--$levelMax;
$this->scanChildren($location);
$pages = new Yellow_PageCollection($this->yellow, $location);
foreach($this->pages[$location] as $page)
{
if($page->isVisible() || $showHidden)
{
$pages->append($page);
if(!$this->yellow->toolbox->isFileLocation($page->location) && $levelMax!=0)
{
$pages->merge($this->findChildrenRecursive($page->location, $showHidden, $levelMax));
}
}
}
return $pages;
}
// Scan child pages on demand
function scanChildren($location)
{
if(is_null($this->pages[$location]))
{
if(defined("DEBUG") && DEBUG>=2) echo "Yellow_Pages::scanChildren location:$location
\n";
$this->pages[$location] = array();
$path = $this->yellow->config->get("contentDir");
if(!empty($location))
{
$path = $this->yellow->toolbox->findFileFromLocation($location,
$this->yellow->config->get("contentDir"), $this->yellow->config->get("contentHomeDir"), "", "");
}
$fileNames = array();
foreach($this->yellow->toolbox->getDirectoryEntries($path, "/.*/", true) as $entry)
{
$fileDefault = $this->yellow->config->get("contentDefaultFile");
if(!is_file($path.$entry."/".$fileDefault))
{
$regex = "/^[\d\-\_\.]*".strreplaceu('-', '.', $fileDefault)."$/";
foreach($this->yellow->toolbox->getDirectoryEntries($path.$entry, $regex, false, false) as $entry2)
{
if($this->yellow->toolbox->normaliseName($entry2) == $fileDefault) { $fileDefault = $entry2; break; }
}
}
array_push($fileNames, $path.$entry."/".$fileDefault);
}
$regex = "/.*\\".$this->yellow->config->get("contentExtension")."/";
foreach($this->yellow->toolbox->getDirectoryEntries($path, $regex, true, false) as $entry)
{
$token = $this->yellow->toolbox->normaliseName($entry);
if($token != $this->yellow->config->get("contentDefaultFile")) array_push($fileNames, $path.$entry);
}
foreach($fileNames as $fileName)
{
$fileHandle = @fopen($fileName, "r");
if($fileHandle)
{
$fileData = fread($fileHandle, 4096);
fclose($fileHandle);
} else {
$fileData = "";
}
$page = new Yellow_Page($this->yellow, $this->yellow->toolbox->findLocationFromFile($fileName,
$this->yellow->config->get("contentDir"), $this->yellow->config->get("contentHomeDir"),
$this->yellow->config->get("contentDefaultFile"), $this->yellow->config->get("contentExtension")));
$page->parseData($fileName, $fileData, false, 0);
array_push($this->pages[$location], $page);
}
}
}
// Return parent location
function getParentLocation($location)
{
$parentLocation = "";
if(preg_match("/^(.*\/).+?$/", $location, $matches))
{
if($matches[1]!="/" || $this->yellow->toolbox->isFileLocation($location)) $parentLocation = $matches[1];
}
return $parentLocation;
}
// Return top-level parent location
function getParentTopLocation($location)
{
$parentTopLocation = "/";
if(preg_match("/^(.+?\/)/", $location, $matches)) $parentTopLocation = $matches[1];
return $parentTopLocation;
}
}
// Yellow toolbox with helpers
class Yellow_Toolbox
{
// Return server name from current HTTP request
static function getServerName()
{
return $_SERVER["SERVER_NAME"];
}
// Return server base from current HTTP request
static function getServerBase()
{
$serverBase = "";
if(preg_match("/^(.*)\//", $_SERVER["SCRIPT_NAME"], $matches)) $serverBase = $matches[1];
return $serverBase;
}
// Return location from current HTTP request
static function getRequestLocation()
{
$uri = $_SERVER["REQUEST_URI"];
return ($pos = strposu($uri, '?')) ? substru($uri, 0, $pos) : $uri;
}
// Return arguments from current HTTP request
static function getRequestLocationArgs($arg = "", $encodeArgs = true)
{
preg_match("/^(.*?):(.*)$/", $arg, $args);
if(preg_match("/^(.*?\/)(\w+:.*)$/", rawurldecode(self::getRequestLocation()), $matches))
{
foreach(explode('/', $matches[2]) as $token)
{
preg_match("/^(.*?):(.*)$/", $token, $matches);
if($matches[1] == $args[1]) { $matches[2] = $args[2]; $found = true; }
if(!empty($matches[1]) && !empty($matches[2]))
{
if(!empty($locationArgs)) $locationArgs .= '/';
$locationArgs .= "$matches[1]:$matches[2]";
}
}
}
if(!$found && !empty($args[1]) && !empty($args[2]))
{
if(!empty($locationArgs)) $locationArgs .= '/';
$locationArgs .= "$args[1]:$args[2]";
}
if($encodeArgs)
{
$locationArgs = rawurlencode($locationArgs);
$locationArgs = strreplaceu(array('%3A','%2F'), array(':','/'), $locationArgs);
}
return $locationArgs;
}
// Normalise location and remove unwanted path tokens
static function normaliseLocation($location, $removeArgs = true)
{
$string = strreplaceu('\\', '/', rawurldecode($location));
$location = ($string[0]=='/') ? '' : '/';
for($pos=0; $pos 2)
{
if($tokens[1]."/" == $pathHome) $invalid = true;
for($i=1; $i.*<\/h1>(.*)/si", $text, $matches)) $text = $matches[1];
if($removeHtml)
{
while(true)
{
$elementFound = preg_match("/<\s*?([\/!]?\w*)(.*?)\s*?\>/s", $text, $matches, PREG_OFFSET_CAPTURE, $offsetBytes);
$element = $matches[0][0];
$elementName = $matches[1][0];
$elementText = $matches[2][0];
$elementOffsetBytes = $elementFound ? $matches[0][1] : strlenb($text);
$string = html_entity_decode(substrb($text, $offsetBytes, $elementOffsetBytes - $offsetBytes), ENT_QUOTES, "UTF-8");
if(preg_match("/^(blockquote|br|div|h\d|hr|li|ol|p|pre|ul)/i", $elementName)) $string .= ' ';
$string = preg_replace("/\s+/s", " ", $string);
if(substru($string, 0 , 1)==" " && (empty($output) || substru($output, -1)==' ')) $string = substru($string, 1);
$length = strlenu($string);
$output .= substru($string, 0, $length < $lengthMax ? $length : $lengthMax-1);
$lengthMax -= $length;
if(!empty($element) && $element==$endMarker) { $lengthMax = 0; $endMarkerFound = true; }
if($lengthMax<=0 || !$elementFound) break;
$offsetBytes = $elementOffsetBytes + strlenb($element);
}
$output = rtrim($output);
if($lengthMax <= 0) $output .= $endMarkerFound ? $endMarkerText : "…";
} else {
$elementsOpen = array();
while(true)
{
$elementFound = preg_match("/&.*?\;|<\s*?([\/!]?\w*)(.*?)\s*?\>/s", $text, $matches, PREG_OFFSET_CAPTURE, $offsetBytes);
$element = $matches[0][0];
$elementName = $matches[1][0];
$elementText = $matches[2][0];
$elementOffsetBytes = $elementFound ? $matches[0][1] : strlenb($text);
$string = substrb($text, $offsetBytes, $elementOffsetBytes - $offsetBytes);
$length = strlenu($string);
$output .= substru($string, 0, $length < $lengthMax ? $length : $lengthMax-1);
$lengthMax -= $length + ($element[0]=='&' ? 1 : 0);
if(!empty($element) && $element==$endMarker) { $lengthMax = 0; $endMarkerFound = true; }
if($lengthMax<=0 || !$elementFound) break;
if(!empty($elementName) && substru($elementText, -1)!='/' &&
!preg_match("/^(area|br|col|hr|img|input|col|param|!)/i", $elementName))
{
if($elementName[0] != '/')
{
array_push($elementsOpen, $elementName);
} else {
array_pop($elementsOpen);
}
}
$output .= $element;
$offsetBytes = $elementOffsetBytes + strlenb($element);
}
$output = rtrim($output);
if($lengthMax <= 0) $output .= $endMarkerFound ? $endMarkerText : "…";
for($t=count($elementsOpen)-1; $t>=0; --$t) $output .= "";
}
return $output;
}
// Create keywords from text string
static function createTextKeywords($text, $keywordsMax)
{
$tokens = preg_split("/[,\s\(\)]/", strtoloweru($text));
foreach($tokens as $key=>$value) if(strlenu($value) < 3) unset($tokens[$key]);
return implode(", ", array_slice(array_unique($tokens), 0, $keywordsMax));
}
// Create title from text string
static function createTextTitle($text)
{
if(preg_match("/^.*\/([\w\-]+)/", $text, $matches)) $text = ucfirst($matches[1]);
return $text;
}
// Detect web browser language
static function detectBrowserLanguage($languagesAllowed, $languageDefault)
{
$language = $languageDefault;
if(isset($_SERVER["HTTP_ACCEPT_LANGUAGE"]))
{
foreach(preg_split("/,\s*/", $_SERVER["HTTP_ACCEPT_LANGUAGE"]) as $string)
{
$tokens = explode(';', $string, 2);
if(in_array($tokens[0], $languagesAllowed)) { $language = $tokens[0]; break; }
}
}
return $language;
}
// Detect PNG and JPG image dimensions
static function detectImageDimensions($fileName)
{
$width = $height = 0;
$fileHandle = @fopen($fileName, "rb");
if($fileHandle)
{
if(substru($fileName, -3) == "png")
{
$dataSignature = fread($fileHandle, 8);
$dataHeader = fread($fileHandle, 16);
if(!feof($fileHandle) && $dataSignature=="\x89PNG\r\n\x1a\n")
{
$width = (ord($dataHeader[10])<<8) + ord($dataHeader[11]);
$height = (ord($dataHeader[14])<<8) + ord($dataHeader[15]);
}
} else if(substru($fileName, -3) == "jpg") {
$dataBuffer = fread($fileHandle, 2048);
$dataSignature = substrb($dataBuffer, 0, 11);
if(!feof($fileHandle) && $dataSignature=="\xff\xd8\xff\xe0\x00\x10JFIF\0")
{
$marker = substrb($dataBuffer, 20, 2);
$length = (ord($dataBuffer[22])<<8) + ord($dataBuffer[23]) + 2;
$pos = 158 + ($marker=="\xff\xe1" ? $length : 0);
if($pos+8 < 2048)
{
$width = (ord($dataBuffer[$pos+7])<<8) + ord($dataBuffer[$pos+8]);
$height = (ord($dataBuffer[$pos+5])<<8) + ord($dataBuffer[$pos+6]);
}
}
}
fclose($fileHandle);
}
return array($width, $height);
}
// Start timer
static function timerStart(&$time)
{
$time = microtime(true);
}
// Stop timer and calcuate elapsed time (milliseconds)
static function timerStop(&$time)
{
$time = intval((microtime(true)-$time) * 1000);
}
}
// Yellow configuration
class Yellow_Config
{
var $config; //configuration
var $configDefaults; //configuration defaults
function __construct()
{
$this->config = array();
$this->configDefaults = array();
}
// Load configuration from file
function load($fileName)
{
$fileData = @file($fileName);
if($fileData)
{
if(defined("DEBUG") && DEBUG>=2) echo "Yellow_Config::load file:$fileName
\n";
foreach($fileData as $line)
{
if(preg_match("/^\//", $line)) continue;
preg_match("/^\s*(.*?)\s*=\s*(.*?)\s*$/", $line, $matches);
if(!empty($matches[1]) && !empty($matches[2]))
{
$this->set($matches[1], $matches[2]);
if(defined("DEBUG") && DEBUG>=3) echo "Yellow_Config::load key:$matches[1] $matches[2]
\n";
}
}
}
}
// Set default configuration
function setDefault($key, $value)
{
$this->configDefaults[$key] = $value;
}
// Set configuration
function set($key, $value)
{
$this->config[$key] = $value;
}
// Return configuration
function get($key)
{
return $this->isExisting($key) ? $this->config[$key] : $this->configDefaults[$key];
}
// Return configuration, HTML encoded
function getHtml($key)
{
return htmlspecialchars($this->get($key));
}
// Return configuration strings
function getData($filterEnd = "")
{
$config = array();
if($filterEnd == "")
{
$config = $this->config;
} else {
foreach($this->config as $key=>$value)
{
if(substru($key, -strlenu($filterEnd)) == $filterEnd) $config[$key] = $value;
}
}
return $config;
}
// Check if configuration exists
function isExisting($key)
{
return !is_null($this->config[$key]);
}
}
// Yellow text strings
class Yellow_Text
{
var $text; //text strings
var $language; //current language
function __construct()
{
$this->text = array();
}
// Load text strings from file
function load($fileName, $toolbox)
{
$path = dirname($fileName);
$regex = "/".basename($fileName)."/";
foreach($toolbox->getDirectoryEntries($path, $regex, true, false) as $entry)
{
$fileData = @file("$path/$entry");
if($fileData)
{
if(defined("DEBUG") && DEBUG>=2) echo "Yellow_Text::load file:$path/$entry
\n";
$language = "";
foreach($fileData as $line)
{
preg_match("/^\s*(.*?)\s*=\s*(.*?)\s*$/", $line, $matches);
if($matches[1]=="language" && !empty($matches[2])) { $language = $matches[2]; break; }
}
foreach($fileData as $line)
{
if(preg_match("/^\//", $line)) continue;
preg_match("/^\s*(.*?)\s*=\s*(.*?)\s*$/", $line, $matches);
if(!empty($language) && !empty($matches[1]) && !empty($matches[2]))
{
$this->setLanguageText($language, $matches[1], $matches[2]);
if(defined("DEBUG") && DEBUG>=3) echo "Yellow_Text::load key:$matches[1] $matches[2]
\n";
}
}
}
}
}
// Set current language
function setLanguage($language)
{
$this->language = $language;
}
// Set text string for specific language
function setLanguageText($language, $key, $value)
{
if(is_null($this->text[$language])) $this->text[$language] = array();
$this->text[$language][$key] = $value;
}
// Return text string for specific language
function getLanguageText($language, $key)
{
return ($this->isLanguageText($language, $key)) ? $this->text[$language][$key] : "[$key]";
}
// Return text string
function get($key)
{
return $this->isExisting($key) ? $this->text[$this->language][$key] : "[$key]";
}
// Return text string, HTML encoded
function getHtml($key)
{
return htmlspecialchars($this->get($key));
}
// Return text strings for specific language
function getData($language, $filterStart = "")
{
$text = array();
if(!is_null($this->text[$language]))
{
if($filterStart == "")
{
$text = $this->text[$language];
} else {
foreach($this->text[$language] as $key=>$value)
{
if(substru($key, 0, strlenu("language")) == "language") $text[$key] = $value;
if(substru($key, 0, strlenu($filterStart)) == $filterStart) $text[$key] = $value;
}
}
}
return $text;
}
// Check if text string for specific language exists
function isLanguageText($language, $key)
{
return !is_null($this->text[$language]) && !is_null($this->text[$language][$key]);
}
// Check if text string exists
function isExisting($key)
{
return !is_null($this->text[$this->language]) && !is_null($this->text[$this->language][$key]);
}
}
// Yellow plugins
class Yellow_Plugins
{
var $plugins; //registered plugins
function __construct()
{
$this->plugins = array();
}
// Load plugins
function load()
{
global $yellow;
require_once("core_markdown.php");
require_once("core_commandline.php");
require_once("core_webinterface.php");
foreach($yellow->toolbox->getDirectoryEntries($yellow->config->get("pluginDir"), "/.*\.php/", true, false) as $entry)
{
$fileNamePlugin = $yellow->config->get("pluginDir")."/$entry";
require_once($fileNamePlugin);
}
foreach($this->plugins as $key=>$value)
{
$this->plugins[$key]["obj"] = new $value["class"];
if(defined("DEBUG") && DEBUG>=2) echo "Yellow_Plugins::load class:$value[class] $value[version]
\n";
if(method_exists($this->plugins[$key]["obj"], "initPlugin")) $this->plugins[$key]["obj"]->initPlugin($yellow);
}
}
// Register plugin
function register($name, $class, $version)
{
if(!$this->isExisting($name))
{
$this->plugins[$name] = array();
$this->plugins[$name]["class"] = $class;
$this->plugins[$name]["version"] = $version;
}
}
// Check if plugin exists
function isExisting($name)
{
return !is_null($this->plugins[$name]);
}
}
// Unicode support for PHP 5
mb_internal_encoding("UTF-8");
function strlenu() { return call_user_func_array("mb_strlen", func_get_args()); }
function strposu() { return call_user_func_array("mb_strpos", func_get_args()); }
function strrposu() { return call_user_func_array("mb_strrpos", func_get_args()); }
function strreplaceu() { return call_user_func_array("str_replace", func_get_args()); }
function strtoloweru() { return call_user_func_array("mb_strtolower", func_get_args()); }
function strtoupperu() { return call_user_func_array("mb_strtoupper", func_get_args()); }
function substru() { return call_user_func_array("mb_substr", func_get_args()); }
function strlenb() { return call_user_func_array("strlen", func_get_args()); }
function strposb() { return call_user_func_array("strpos", func_get_args()); }
function strrposb() { return call_user_func_array("strrpos", func_get_args()); }
function substrb() { return call_user_func_array("substr", func_get_args()); }
// Error reporting for PHP 5
error_reporting(E_ALL ^ E_NOTICE);
?>