/**
* Pseudocast (expand).
* @return MacroTokens
*/
public function expandFilter(MacroTokens $tokens)
{
$res = new MacroTokens('array(');
$expand = NULL;
while ($tokens->nextToken()) {
if ($tokens->isCurrent('(expand)') && $tokens->depth === 0) {
$expand = TRUE;
$res->append('),');
} elseif ($expand && $tokens->isCurrent(',') && !$tokens->depth) {
$expand = FALSE;
$res->append(', array(');
} else {
$res->append($tokens->currentToken());
}
}
if ($expand !== NULL) {
$res->prepend('array_merge(')->append($expand ? ', array()' : ')');
}
return $res->append(')');
}
/**
* Formats modifiers calling.
* @param MacroTokens
* @param string
* @throws CompileException
* @return MacroTokens
*/
public function modifierPass(MacroTokens $tokens, $var, $isContent = FALSE)
{
$inside = FALSE;
$res = new MacroTokens($var);
while ($tokens->nextToken()) {
if ($tokens->isCurrent($tokens::T_WHITESPACE)) {
$res->append(' ');
} elseif ($inside) {
if ($tokens->isCurrent(':', ',')) {
$res->append(', ');
$tokens->nextAll($tokens::T_WHITESPACE);
} elseif ($tokens->isCurrent('|')) {
$res->append(')');
$inside = FALSE;
} else {
$res->append($tokens->currentToken());
}
} else {
if ($tokens->isCurrent($tokens::T_SYMBOL)) {
if ($tokens->isCurrent('escape')) {
if ($isContent) {
$res->prepend('LR\\Filters::convertTo($_fi, ' . var_export(implode($this->context), TRUE) . ', ')->append(')');
} else {
$res = $this->escapePass($res);
}
$tokens->nextToken('|');
} elseif (!strcasecmp($tokens->currentValue(), 'checkurl')) {
$res->prepend('LR\\Filters::safeUrl(');
$inside = TRUE;
} else {
$name = strtolower($tokens->currentValue());
$res->prepend($isContent ? '$this->filters->filterContent(' . var_export($name, TRUE) . ', $_fi, ' : 'call_user_func($this->filters->' . $name . ', ');
$inside = TRUE;
}
} else {
throw new CompileException("Modifier name must be alphanumeric string, '{$tokens->currentValue()}' given.");
}
}
}
if ($inside) {
$res->append(')');
}
return $res;
}
