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executable file
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Copy pathprotocol.class.php
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executable file
·284 lines (260 loc) · 6.69 KB
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<?php
require 'exception.php';
class IncompleteMessageException extends CustomException
{
private $input;
public function __construct($message = null, $code = 0)
{
parent::__construct($message, $code);
}
public function setInput($input)
{
$this->input = $input;
}
public function getInput()
{
return $this->input;
}
}
class ProtocolNode
{
private $tag;
private $attributeHash;
private $children;
private $data;
private static $cli = null;
/**
* check if call is from command line
* @return bool
*/
private static function isCli()
{
if (self::$cli === null) {
//initial setter
if (php_sapi_name() == "cli") {
self::$cli = true;
} else {
self::$cli = false;
}
}
return self::$cli;
}
/**
* @return string
*/
public function getData()
{
return $this->data;
}
/**
* @return string
*/
public function getTag()
{
return $this->tag;
}
/**
* @return string[]
*/
public function getAttributes()
{
return $this->attributeHash;
}
/**
* @return ProtocolNode[]
*/
public function getChildren()
{
return $this->children;
}
/**
* @param ProtocolNode $node
*/
public function addChild(ProtocolNode $node){
$this->children[] = $node;
}
/**
* @param ProtocolNode $node
*/
public function removeChild($tag, $attrs = []){
if($this->children){
if(is_int($tag)){
if(isset($this->childen[$tag])){
array_slice($this->children,$tag,1);
}
}
else{
foreach($this->childen as $i=>$child){
$index = -1;
if(strcmp($child->tag, $tag) == 0){
$index = $i;
foreach($attrs as $key=>$val){
if(strcmp($child->getAttribute($key),$val) != 0){
$index = -1; // attrs not equal
break;
}
}
}
if($index != -1){
array_slice($this->children,$index,1);
return;
}
}
}
}
}
public function __construct($tag, $attributeHash, $children, $data)
{
$this->tag = $tag;
$this->attributeHash = $attributeHash;
$this->children = $children;
$this->data = $data;
}
/**
* @param string $indent
* @param bool $isChild
* @return string
*/
public function nodeString($indent = "", $isChild = false)
{
//formatters
$lt = "<";
$gt = ">";
$nl = "\n";
if ( ! self::isCli()) {
$lt = "<";
$gt = ">";
$nl = "<br />";
$indent = str_replace(" ", " ", $indent);
}
$ret = $indent . $lt . $this->tag;
if ($this->attributeHash != null) {
foreach ($this->attributeHash as $key => $value) {
$ret .= " " . $key . "=\"" . $value . "\"";
}
}
$ret .= $gt;
if (strlen($this->data) > 0) {
if (strlen($this->data) <= 1024) {
//message
$ret .= $this->data;
} else {
//raw data
$ret .= " " . strlen($this->data) . " byte data";
}
}
if ($this->children) {
$ret .= $nl;
$foo = array();
foreach ($this->children as $child) {
$foo[] = $child->nodeString($indent . " ", true);
}
$ret .= implode($nl, $foo);
$ret .= $nl . $indent;
}
$ret .= $lt . "/" . $this->tag . $gt;
if ( ! $isChild) {
$ret .= $nl;
if ( ! self::isCli()) {
$ret .= $nl;
}
}
return $ret;
}
/**
* @param $attribute
* @return string
*/
public function getAttribute($attribute)
{
$ret = "";
if (isset($this->attributeHash[$attribute])) {
$ret = $this->attributeHash[$attribute];
}
return $ret;
}
/**
* @param string $needle
* @return boolean
*/
public function nodeIdContains($needle)
{
return (strpos($this->getAttribute("id"), $needle) !== false);
}
//get children supports string tag or int index
/**
* @param $tag
* @param array $attrs
* @return ProtocolNode
*/
public function getChild($tag, $attrs = [])
{
$ret = null;
if ($this->children) {
if (is_int($tag)) {
if (isset($this->children[$tag])) {
return $this->children[$tag];
} else {
return null;
}
}
foreach ($this->children as $child) {
if (strcmp($child->tag, $tag) == 0) {
$found = true;
foreach($attrs as $key=>$value){
if(strcmp($child->getAttribute($key),$value) != 0)
{
$found = false;
break;
}
}
if($found)
return $child;
}
$ret = $child->getChild($tag, $attrs);
if ($ret) {
return $ret;
}
}
}
return null;
}
/**
* @param $tag
* @return bool
*/
public function hasChild($tag)
{
return $this->getChild($tag) == null ? false : true;
}
/**
* @param int $offset
*/
public function refreshTimes($offset = 0)
{
if (isset($this->attributeHash['id'])) {
$id = $this->attributeHash['id'];
$parts = explode('-', $id);
$parts[0] = time() + $offset;
$this->attributeHash['id'] = implode('-', $parts);
}
if (isset($this->attributeHash['t'])) {
$this->attributeHash['t'] = time();
}
}
/**
* Print human readable ProtocolNode object
*
* @return string
*/
public function __toString()
{
$readableNode = array(
'tag' => $this->tag,
'attributeHash' => $this->attributeHash,
'children' => $this->children,
'data' => $this->data
);
return print_r($readableNode, true);
}
}