/**
* Processes and outputs one simple value.
*
* 1. Check for expression and comparison attributes
* 2. Execute process_value() if no expression / comparison
* 3. Execute wrap() and outputs the value
*
* @param FTL_Binding
* @param mixed
*
* @return string
*
*/
public static function output_value(FTL_Binding $tag, $value)
{
$is = $tag->getAttribute('is');
$in = $tag->getAttribute('in');
$is_not = $tag->getAttribute('is_not');
$expression = $tag->getAttribute('expression');
// "is" and "expression" cannot be used together.
if (!is_null($is)) {
// Do not pass the attribute to child
$tag->removeAttribute('is');
if (strtolower($is) == 'true') {
$is = TRUE;
}
if (strtolower($is) == 'false') {
$is = FALSE;
}
if ($value == $is) {
if (self::$trigger_else > 0) {
self::$trigger_else = 0;
}
return self::wrap($tag, $tag->expand());
} else {
self::$trigger_else++;
return '';
}
} else {
if (!is_null($in)) {
// Do not pass the attribute to child
$tag->removeAttribute('in');
$in = explode(',', $in);
foreach ($in as $i) {
$i = trim($i);
if (strtolower($i) == 'true') {
$is = TRUE;
}
if (strtolower($i) == 'false') {
$is = FALSE;
}
if ($value == $i) {
if (self::$trigger_else > 0) {
self::$trigger_else = 0;
}
return self::wrap($tag, $tag->expand());
}
}
self::$trigger_else++;
return '';
} else {
if (!is_null($is_not)) {
$tag->removeAttribute('is_not');
if (strtolower($is_not) == 'true') {
$is_not = TRUE;
}
if (strtolower($is_not) == 'false') {
$is_not = FALSE;
}
if ($value != $is_not) {
if (self::$trigger_else > 0) {
self::$trigger_else = 0;
}
return self::wrap($tag, $tag->expand());
} else {
self::$trigger_else++;
return '';
}
} else {
if (!is_null($expression)) {
// Do not pass the attribute to child
$tag->removeAttribute('expression');
$result = self::eval_expression($tag, $expression);
switch ($result) {
case TRUE:
if (self::$trigger_else > 0) {
self::$trigger_else = 0;
}
return self::wrap($tag, $tag->expand());
break;
case FALSE:
self::$trigger_else++;
return '';
break;
case NULL:
return self::show_tag_error($tag, 'Condition incorrect: ' . $expression);
}
} else {
if (!is_null($value)) {
// Process PHP, helper, prefix/suffix
$value = self::process_value($tag, $value);
// Make sub tags like "nesting" or "trace" working
$tag->expand();
return self::wrap($tag, $value);
}
}
}
}
}
return $tag->expand();
}
