/**
* Replace vars like {object:field:type} or {var|session|request|page:name:type}. Called during definition compilation
*
* @param string $text : the text which need to be replaced
* @param boolean reverse : reverse single and double quotes useage (default is false : double quotes)
* @param array $optionalReplacement : optionnal replacement to do
* @param boolean $cleanNotMatches : remove vars without matches
* @param mixed $matchCallback : function name or array(object classname, object method) which represent a valid callback function to execute on matches
* @return text : the text replaced
* @access public
*/
function preReplaceVars($text, $reverse = false, $cleanNotMatches = false, $matchCallback = array('CMS_polymod_definition_parsing', 'encloseString'), $returnMatchedVarsArray = false)
{
static $replacements;
//if no text => return
if (!$text || !trim($text)) {
return $text;
}
//substitute simple replacement values
$preReplaceCount = 0;
$text = preg_replace("#{([a-zA-Z]+)}#", '@@@\\1@@@', $text, -1, $preReplaceCount);
$count = 1;
//loop on text for vars to replace if any
while (preg_match_all("#{[^{}\n]+}#", $text, $matches) && $count) {
$matches = array_unique($matches[0]);
//get all tags handled by modules
if (!$replacements) {
//create replacement array
$replacements = array();
$modules = CMS_modulesCatalog::getAll("id");
foreach ($modules as $codename => $aModule) {
$moduleReplacements = $aModule->getModuleReplacements();
if (is_array($moduleReplacements) && $moduleReplacements) {
foreach ($moduleReplacements as $pattern => $replacement) {
$replacements[$pattern] = $replacement;
}
}
}
}
$replace = $replacements;
//pr($matches);
if ($reverse) {
$reversedReplace = array();
foreach ($replace as $key => $value) {
$reversedReplace[str_replace("'", "\\\\'", $key)] = $value;
}
$replace = $reversedReplace;
}
$count = 0;
$matchesValues = preg_replace(array_keys($replace), $replace, $matches, -1, $count);
//create vars conversion table
$replace = array();
if ($matchesValues) {
if (isset($this->_parameters['module'])) {
$externalReferences = CMS_poly_object_catalog::getFieldsReferencesUsage($this->_parameters['module']);
} else {
$externalReferences = CMS_poly_object_catalog::getFieldsReferencesUsage();
}
foreach ($matches as $key => $match) {
//record external references for cache reference
if ($externalReferences) {
foreach ($externalReferences as $id => $type) {
if (strpos($match, '[\'fields\'][' . $id . ']') !== false || strpos($match, '[\\\'fields\\\'][' . $id . ']') !== false) {
//CMS_grandFather::log(print_r($this->_elements, true));
$this->_elements = array_merge_recursive($type, (array) $this->_elements);
//CMS_grandFather::log(print_r($this->_elements, true));
}
}
}
//record used pages for cache reference
if (strpos($match, '{page:') !== false) {
$this->_elements['module'][] = MOD_STANDARD_CODENAME;
}
//record used users for cache reference
if (strpos($match, '{user:'******'resource'][] = 'users';
}
if ($match != $matchesValues[$key]) {
$matchValue = $matchesValues[$key];
} else {
$matchValue = null;
}
//apply callback if any to value
if (isset($matchValue)) {
if ($matchCallback !== false) {
if (is_callable($matchCallback)) {
$replace[$match] = call_user_func($matchCallback, $matchValue, $reverse);
} else {
CMS_grandFather::raiseError("Unknown callback function : " . $matchCallback);
return false;
}
} else {
$replace[$match] = $matchValue;
}
} elseif ($cleanNotMatches) {
$replace[$match] = '';
}
}
}
//return matched vars if needed
if ($returnMatchedVarsArray) {
//substitute simple replacement values
if ($preReplaceCount) {
$replace = preg_replace("#\\@\\@\\@([a-zA-Z]+)\\@\\@\\@#", '{\\1}', $replace);
}
return $replace;
} else {
//then replace variables in text and return it
$text = str_replace(array_keys($replace), $replace, $text);
}
}
//substitute simple replacement values
if ($preReplaceCount) {
$text = preg_replace("#\\@\\@\\@([a-zA-Z]+)\\@\\@\\@#", '{\\1}', $text);
}
return $text;
}
