/**
* Gets all the vars in this block, mapped by $VarName => $Type.
* Highly opinionated. Based on the convention that all template methods
* are UpperCamelCase.
* @return array
*/
public function getVars()
{
$dbFieldFunctions = $this->reflector->getDBFieldFunctions();
if ($this->vars != null) {
return $this->vars;
}
$vars = array();
$counts = array();
$booleans = $this->getPossibleBooleans();
$search = $this->getTopLevelContent();
preg_match_all("/\\\$[A-Za-z0-9._]+/", $search, $variables);
if ($variables || $booleans) {
foreach (reset($variables) as $m) {
$label = str_replace("\$", "", $m);
// If using the dot syntax, this may be a has_one, or an invocation of a DBField method.
if (stristr($label, ".") !== false) {
list($relation, $name) = explode('.', $label);
$name = preg_replace('/\\(.*\\)/', '', $name);
// The variable is a core template accessor. Move on.
if (in_array(strtolower($relation), $this->reflector->getTemplateAccessors())) {
continue;
}
// The method being called against the variable is a DBField function.
// Use that information to assign a probable FieldType
if (array_key_exists($name, $dbFieldFunctions)) {
$class = $dbFieldFunctions[$name];
$vars[$relation] = $dbFieldFunctions[$name];
} elseif (is_subclass_of($relation, 'ViewableData')) {
$vars[$relation] = $relation;
} else {
$vars[$relation] = "has_one";
}
} else {
if (!isset($counts[$label])) {
$counts[$label] = 0;
}
$counts[$label]++;
if (!in_array($label, $vars) && !$this->getChildByName($label)) {
// This is a <% with %> block, and it's not using a common template accessor,
// e.g. $Up, so we can make a guess about the datatype of this variable.
if (!$this->isLoop() && !in_array(strtolower($label), $this->reflector->getTemplateAccessors())) {
$vars[$label] = $this->reflector->inferDatatype($label);
} else {
if ($this->isLoop() && !in_array(strtolower($label), $this->reflector->getListFunctions())) {
$vars[$label] = $this->reflector->inferDatatype($label);
}
}
}
}
}
}
foreach ($booleans as $b) {
if (isset($counts[$b])) {
$counts[$b]--;
if ($counts[$b] == 0) {
$vars[$b] = 'Boolean';
}
}
}
return $this->vars = $vars;
}
