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<?php
namespace Plivo\XML;
use Plivo\Exceptions\PlivoXMLException;
/**
* Class Element
* @package Plivo\XML
*/
class Element {
/**
* @var array
*/
protected $nestables = [];
protected $valid_attributes = [];
protected $attributes = [];
protected $name;
protected $voice_attribute = 'voice';
protected $body = null;
protected $childs = [];
/**
* Element constructor.
* @param string $body
* @param array $attributes
* @throws PlivoXMLException
*/
function __construct($body = '', $attributes = []) {
$this->attributes = $attributes;
if ((!$attributes) || ($attributes === null)) {
$this->attributes = [];
}
$this->name =
substr(
get_class($this),
strrpos(get_class($this), '\\') + 1
);
$this->name = $this->name === "Break_"?"break":$this->name;
$this->body = $body;
foreach ($this->attributes as $key => $value) {
if (!in_array($key, $this->valid_attributes)) {
throw new PlivoXMLException(
"invalid attribute ".$key." for ".$this->name);
}
$this->attributes[ $key ] = $this->convertValue($value);
}
}
/**
* @param $v
* @return string
*/
protected function convertValue($v) {
switch($v){
case "true":
return "true";
break;
case "false":
return "false";
break;
case null:
return "none";
break;
case "get":
return strtoupper($v);
break;
case "post":
return strtoupper($v);
break;
case "man":
return strtoupper($v);
break;
case "woman":
return strtoupper($v);
break;
}
return $v;
}
/**
* @param null
* @throws PlivoXMLException
*/
function checkIsSSMLSupported(){
$attribute = $this->voice_attribute;
$position = count($this->childs)-1;
$speak_element = simplexml_load_string($this->childs[$position]);
if($speak_element->attributes()->$attribute == 'WOMAN' ||
$speak_element->attributes()->$attribute == 'MAN'){
throw new PlivoXMLException(
"SSML support is available only for Amazon Polly! ".$this->name);
}
}
/**
* @param string $body
* @param array $attributes
* @return mixed
*/
function addSpeak($body = null, $attributes = []) {
$this->add(new Speak($body, $attributes));
return $this;
}
/**
* @param string $body
* @param null $attributes
* @return mixed
*/
function continueSpeak($body = null) {
$element = new Cont($body);
$position = count($this->childs)-1;
$this->childs[$position]->add($element);
return $this;
}
/**
* @param null $body
* @param array $attributes
* @return mixed
*/
function addBreak($body = null, $attributes = []) {
$this->checkIsSSMLSupported();
$position = count($this->childs)-1;
$element = new Break_($body,$attributes);
$this->childs[$position]->add($element);
return $this;
}
/**
* @param string $body
* @param array $attributes
* @return mixed
*/
function addEmphasis($body = null, $attributes = []) {
$this->checkIsSSMLSupported();
$position = count($this->childs)-1;
$element = new Emphasis($body,$attributes);
$this->childs[$position]->add($element);
return $this;
}
/**
* @param string $body
* @param array $attributes
* @return mixed
*/
function addLang($body = null, $attributes = []) {
$this->checkIsSSMLSupported();
$position = count($this->childs)-1;
$element = new Lang($body,$attributes);
$this->childs[$position]->add($element);
return $this;
}
/**
* @param string $body
* @param array $attributes
* @return mixed
*/
function addP($body = null, $attributes = []) {
$this->checkIsSSMLSupported();
$position = count($this->childs)-1;
$element = new P($body,$attributes);
$this->childs[$position]->add($element);
return $this;
}
/**
* @param string $body
* @param array $attributes
* @return mixed
*/
function addPhoneme($body = null, $attributes = []) {
$this->checkIsSSMLSupported();
$position = count($this->childs)-1;
$element = new Phoneme($body,$attributes);
$this->childs[$position]->add($element);
return $this;
}
/**
* @param string $body
* @param array $attributes
* @return mixed
*/
function addProsody($body = null, $attributes = []) {
$this->checkIsSSMLSupported();
$position = count($this->childs)-1;
$element = new Prosody($body,$attributes);
$this->childs[$position]->add($element);
return $this;
}
/**
* @param string $body
* @param array $attributes
* @return mixed
*/
function addS($body = null, $attributes = []) {
$this->checkIsSSMLSupported();
$position = count($this->childs)-1;
$element = new S($body,$attributes);
$this->childs[$position]->add($element);
return $this;
}
/**
* @param string $body
* @param array $attributes
* @return mixed
*/
function addSayAs($body = null, $attributes = []) {
$this->checkIsSSMLSupported();
$position = count($this->childs)-1;
$element = new SayAs($body,$attributes);
$element->setName('say-as');
$this->childs[$position]->add($element);
return $this;
}
/**
* @param string $body
* @param array $attributes
* @return mixed
*/
function addSub($body = null, $attributes = []) {
$this->checkIsSSMLSupported();
$position = count($this->childs)-1;
$element = new Sub($body,$attributes);
$this->childs[$position]->add($element);
return $this;
}
/**
* @param string $body
* @param array $attributes
* @return mixed
*/
function addW($body = null, $attributes = []) {
$this->checkIsSSMLSupported();
$position = count($this->childs)-1;
$element = new W($body,$attributes);
$this->childs[$position]->add($element);
return $this;
}
/**
* @param string $body
* @param array $attributes
* @return mixed
*/
function addPlay($body = null, $attributes = []) {
return $this->add(new Play($body, $attributes));
}
/**
* @param null $body
* @param array $attributes
* @return mixed
*/
function addDial($attributes = []) {
return $this->add(new Dial($attributes));
}
/**
* @param null $body
* @param array $attributes
* @return mixed
*/
function addNumber($body = null, $attributes = []) {
return $this->add(new Number($body, $attributes));
}
/**
* @param null $body
* @param array $attributes
* @return mixed
*/
function addUser($body = null, $attributes = []) {
return $this->add(new User($body, $attributes));
}
/**
* @param array $attributes
* @return mixed
*/
function addGetDigits($attributes = []) {
return $this->add(new GetDigits($attributes));
}
/**
* @param array $attributes
* @return mixed
*/
function addGetInput($attributes = []) {
return $this->add(new GetInput($attributes));
}
/**
* @param array $attributes
* @return mixed
*/
function addRecord($attributes = []) {
return $this->add(new Record($attributes));
}
/**
* @param array $attributes
* @return mixed
*/
function addHangup($attributes = []) {
return $this->add(new Hangup($attributes));
}
/**
* @param null $body
* @param array $attributes
* @return mixed
*/
function addRedirect($body = null, $attributes = []) {
return $this->add(new Redirect($body, $attributes));
}
/**
* @param array $attributes
* @return mixed
*/
function addWait($attributes = []) {
return $this->add(new Wait($attributes));
}
/**
* @param null $body
* @param array $attributes
* @return mixed
*/
function addConference($body = null, $attributes = []) {
return $this->add(new Conference($body, $attributes));
}
function addMultiPartyCall($body = null, $attributes = []) {
return $this->add(new MultiPartyCall($body, $attributes));
}
/**
* @param array $attributes
* @return mixed
*/
function addPreAnswer($attributes = []) {
return $this->add(new PreAnswer($attributes));
}
/**
* @param null $body
* @param array $attributes
* @return mixed
*/
function addMessage($body = null, $attributes = []) {
return $this->add(new Message($body, $attributes));
}
/**
* @param null $body
* @param array $attributes
* @return mixed
*/
function addDTMF($body = null, $attributes = []) {
return $this->add(new DTMF($body, $attributes));
}
/**
* @param string $body
* @param array $attributes
* @return mixed
*/
function addStream($body = null, $attributes = []) {
$this->add(new Stream($body, $attributes));
return $this;
}
/**
* @return mixed
*/
public function getName() {
return $this->name;
}
/**
* @param name $name
*/
public function setName($name) {
$this->name = $name;
}
/**
* @param Element $element
* @return mixed
* @throws PlivoXMLException
*/
public function add($element) {
if ( !in_array($element->getName(), $this->nestables)) {
throw new PlivoXMLException($element->getName()." not nestable in ".$this->getName());
}
$this->childs[] = $element;
return $element;
}
/**
* @param \SimpleXMLElement $xml
*/
public function setAttributes($xml) {
foreach ($this->attributes as $key => $value) {
if($key === 'xmllang'){
$xml->addAttribute('xml:lang', $value, "http://schema.omg.org/spec/XMI/2.1");
} else {
$xml->addAttribute($key, $value);
}
}
}
/**
* @param \SimpleXMLElement $xml
*/
public function asChild($xml) {
if ($this->body) {
$child_xml = $xml->addChild($this->getName(), htmlspecialchars($this->body));
} else {
$child_xml = $xml->addChild($this->getName());
}
$this->setAttributes($child_xml);
foreach ($this->childs as $child) {
$child->asChild($child_xml);
}
}
/**
* @param bool $header
* @return mixed
*/
public function toXML($header = false) {
if (!(isset($xmlstr))) {
$xmlstr = '';
}
if ($this->body) {
$xmlstr.= "<".$this->getName().">".htmlspecialchars($this->body)."</".$this->getName().">";
} else {
$xmlstr.= "<".$this->getName()."></".$this->getName().">";
}
if ($header === true) {
$xmlstr = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>".$xmlstr;
}
$xml = new \SimpleXMLElement($xmlstr);
$this->setAttributes($xml);
foreach ($this->childs as $child) {
$child->asChild($xml);
}
$xml_string = $xml->asXML();
$xml_string = str_replace("<cont>"," ",$xml_string);
$xml_string = str_replace("</cont>"," ",$xml_string);
return $xml_string;
}
/**
* @return mixed
*/
public function __toString() {
return $this->toXML();
}
}
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