/**
* Encode data as JSON, disable layouts, and set response header
*
* If $keepLayouts is true, does not disable layouts.
* If $encodeJson is false, does not JSON-encode $data
*
* @param mixed $data
* @param bool $keepLayouts
* NOTE: if boolean, establish $keepLayouts to true|false
* if array, admit params for IfwPsn_Vendor_Zend_Json::encode as enableJsonExprFinder=>true|false
* this array can contains a 'keepLayout'=>true|false and/or 'encodeData'=>true|false
* that will not be passed to IfwPsn_Vendor_Zend_Json::encode method but will be used here
* @param bool $encodeData
* @return string|void
*/
public function json($data, $keepLayouts = false, $encodeData = true)
{
$options = array();
if (is_array($keepLayouts)) {
$options = $keepLayouts;
$keepLayouts = false;
if (array_key_exists('keepLayouts', $options)) {
$keepLayouts = $options['keepLayouts'];
unset($options['keepLayouts']);
}
if (array_key_exists('encodeData', $options)) {
$encodeData = $options['encodeData'];
unset($options['encodeData']);
}
}
if ($encodeData) {
$data = IfwPsn_Vendor_Zend_Json::encode($data, null, $options);
}
if (!$keepLayouts) {
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Layout.php';
$layout = IfwPsn_Vendor_Zend_Layout::getMvcInstance();
if ($layout instanceof IfwPsn_Vendor_Zend_Layout) {
$layout->disableLayout();
}
}
$response = IfwPsn_Vendor_Zend_Controller_Front::getInstance()->getResponse();
$response->setHeader('Content-Type', 'application/json', true);
return $data;
}
/**
* Converts an associative array to a string of tag attributes.
*
* @access public
*
* @param array $attribs From this array, each key-value pair is
* converted to an attribute name and value.
*
* @return string The XHTML for the attributes.
*/
protected function _htmlAttribs($attribs)
{
$xhtml = '';
foreach ((array) $attribs as $key => $val) {
$key = $this->view->escape($key);
if ('on' == substr($key, 0, 2) || 'constraints' == $key) {
// Don't escape event attributes; _do_ substitute double quotes with singles
if (!is_scalar($val)) {
// non-scalar data should be cast to JSON first
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Json.php';
$val = IfwPsn_Vendor_Zend_Json::encode($val);
}
// Escape single quotes inside event attribute values.
// This will create html, where the attribute value has
// single quotes around it, and escaped single quotes or
// non-escaped double quotes inside of it
$val = str_replace('\'', ''', $val);
} else {
if (is_array($val)) {
$val = implode(' ', $val);
}
$val = $this->view->escape($val);
}
if ('id' == $key) {
$val = $this->_normalizeId($val);
}
if (strpos($val, '"') !== false) {
$xhtml .= " {$key}='{$val}'";
} else {
$xhtml .= " {$key}=\"{$val}\"";
}
}
return $xhtml;
}
/**
* JSON post processing
*
* JSON serialize view variables to response body
*
* @return void
*/
public function postJsonContext()
{
if (!$this->getAutoJsonSerialization()) {
return;
}
$viewRenderer = IfwPsn_Vendor_Zend_Controller_Action_HelperBroker::getStaticHelper('viewRenderer');
$view = $viewRenderer->view;
if ($view instanceof IfwPsn_Vendor_Zend_View_Interface) {
/**
* @see IfwPsn_Vendor_Zend_Json
*/
if (method_exists($view, 'getVars')) {
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Json.php';
$vars = IfwPsn_Vendor_Zend_Json::encode($view->getVars());
$this->getResponse()->setBody($vars);
} else {
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Controller/Action/Exception.php';
throw new IfwPsn_Vendor_Zend_Controller_Action_Exception('View does not implement the getVars() method needed to encode the view into JSON');
}
}
}
/**
* Loads the section $section from the config file encoded as JSON
*
* Sections are defined as properties of the main object
*
* In order to extend another section, a section defines the "_extends"
* property having a value of the section name from which the extending
* section inherits values.
*
* Note that the keys in $section will override any keys of the same
* name in the sections that have been included via "_extends".
*
* @param string $json JSON file or string to process
* @param mixed $section Section to process
* @param boolean $options Whether modifiacations are allowed at runtime
* @throws IfwPsn_Vendor_Zend_Config_Exception When JSON text is not set or cannot be loaded
* @throws IfwPsn_Vendor_Zend_Config_Exception When section $sectionName cannot be found in $json
*/
public function __construct($json, $section = null, $options = false)
{
if (empty($json)) {
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Config/Exception.php';
throw new IfwPsn_Vendor_Zend_Config_Exception('Filename is not set');
}
$allowModifications = false;
if (is_bool($options)) {
$allowModifications = $options;
} elseif (is_array($options)) {
foreach ($options as $key => $value) {
switch (strtolower($key)) {
case 'allow_modifications':
case 'allowmodifications':
$allowModifications = (bool) $value;
break;
case 'skip_extends':
case 'skipextends':
$this->_skipExtends = (bool) $value;
break;
case 'ignore_constants':
case 'ignoreconstants':
$this->_ignoreConstants = (bool) $value;
break;
default:
break;
}
}
}
set_error_handler(array($this, '_loadFileErrorHandler'));
// Warnings and errors are suppressed
if ($json[0] != '{') {
$json = file_get_contents($json);
}
restore_error_handler();
// Check if there was a error while loading file
if ($this->_loadFileErrorStr !== null) {
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Config/Exception.php';
throw new IfwPsn_Vendor_Zend_Config_Exception($this->_loadFileErrorStr);
}
// Replace constants
if (!$this->_ignoreConstants) {
$json = $this->_replaceConstants($json);
}
// Parse/decode
try {
$config = IfwPsn_Vendor_Zend_Json::decode($json);
} catch (IfwPsn_Vendor_Zend_Json_Exception $e) {
// decode failed
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Config/Exception.php';
throw new IfwPsn_Vendor_Zend_Config_Exception("Error parsing JSON data");
}
if ($section === null) {
$dataArray = array();
foreach ($config as $sectionName => $sectionData) {
$dataArray[$sectionName] = $this->_processExtends($config, $sectionName);
}
parent::__construct($dataArray, $allowModifications);
} elseif (is_array($section)) {
$dataArray = array();
foreach ($section as $sectionName) {
if (!isset($config[$sectionName])) {
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Config/Exception.php';
throw new IfwPsn_Vendor_Zend_Config_Exception(sprintf('Section "%s" cannot be found', $sectionName));
}
$dataArray = array_merge($this->_processExtends($config, $sectionName), $dataArray);
}
parent::__construct($dataArray, $allowModifications);
} else {
if (!isset($config[$section])) {
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Config/Exception.php';
throw new IfwPsn_Vendor_Zend_Config_Exception(sprintf('Section "%s" cannot be found', $section));
}
$dataArray = $this->_processExtends($config, $section);
if (!is_array($dataArray)) {
// Section in the JSON data contains just one top level string
$dataArray = array($section => $dataArray);
}
parent::__construct($dataArray, $allowModifications);
}
$this->_loadedSection = $section;
}
/**
* Process submitted AJAX data
*
* Checks if provided $data is valid, via {@link isValidPartial()}. If so,
* it returns JSON-encoded boolean true. If not, it returns JSON-encoded
* error messages (as returned by {@link getMessages()}).
*
* @param array $data
* @return string JSON-encoded boolean true or error messages
*/
public function processAjax(array $data)
{
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Json.php';
if ($this->isValidPartial($data)) {
return IfwPsn_Vendor_Zend_Json::encode(true);
}
$messages = $this->getMessages();
return IfwPsn_Vendor_Zend_Json::encode($messages);
}
/**
* Render a IfwPsn_Vendor_Zend_Config into a JSON config string.
*
* @since 1.10
* @return string
*/
public function render()
{
$data = $this->_config->toArray();
$sectionName = $this->_config->getSectionName();
$extends = $this->_config->getExtends();
if (is_string($sectionName)) {
$data = array($sectionName => $data);
}
foreach ($extends as $section => $parentSection) {
$data[$section][IfwPsn_Vendor_Zend_Config_Json::EXTENDS_NAME] = $parentSection;
}
// Ensure that each "extends" section actually exists
foreach ($data as $section => $sectionData) {
if (is_array($sectionData) && isset($sectionData[IfwPsn_Vendor_Zend_Config_Json::EXTENDS_NAME])) {
$sectionExtends = $sectionData[IfwPsn_Vendor_Zend_Config_Json::EXTENDS_NAME];
if (!isset($data[$sectionExtends])) {
// Remove "extends" declaration if section does not exist
unset($data[$section][IfwPsn_Vendor_Zend_Config_Json::EXTENDS_NAME]);
}
}
}
$out = IfwPsn_Vendor_Zend_Json::encode($data);
if ($this->prettyPrint()) {
$out = IfwPsn_Vendor_Zend_Json::prettyPrint($out);
}
return $out;
}
