/**
* Deals with the [macro parameters] substitutions
*
* See the macroList plugin for details
*
* @param string $text
* @return string
*/
function applyMacros($text)
{
$content_macros = getMacros();
preg_match_all('/\\[(\\w+)(.*?)\\]/i', $text, $instances);
foreach ($instances[0] as $instance => $macro_instance) {
$macroname = strtoupper($instances[1][$instance]);
if (array_key_exists($macroname, $content_macros)) {
$macro = $content_macros[$macroname];
$p = $instances[2][$instance];
$data = NULL;
$class = $macro['class'];
if ($p) {
$p = trim(utf8::sanitize(str_replace(" ", ' ', strip_tags($p))));
// remove hard spaces and invalid characters
$p = preg_replace("~\\s+=\\s+(?=(?:[^\"]*+\"[^\"]*+\")*+[^\"]*+\$)~", "=", $p);
// deblank assignment operator
preg_match_all("~'[^'\"]++'|\"[^\"]++\"|[^\\s]++~", $p, $l);
// parse the parameter list
$parms = array();
$k = 0;
foreach ($l[0] as $s) {
if ($s != ',') {
$parms[$k++] = trim($s, '\'"');
// remove any quote marks
}
}
} else {
$parms = array();
}
$parameters = array();
if (!empty($macro['params'])) {
$err = false;
foreach ($macro['params'] as $key => $type) {
$data = false;
if (array_key_exists($key, $parms)) {
switch (trim($type, '*')) {
case 'int':
if (is_numeric($parms[$key])) {
$parameters[] = (int) $parms[$key];
} else {
$data = '<span class="error">' . sprintf(gettext('<em>[%1$s]</em> parameter %2$d should be a number.'), trim($macro_instance, '[]'), $key + 1) . '</span>';
$class = 'error';
}
break;
case 'string':
if (is_string($parms[$key])) {
$parameters[] = $parms[$key];
} else {
$data = '<span class="error">' . sprintf(gettext('<em>[%1$s]</em> parameter %2$d should be a string.'), trim($macro_instance, '[]'), $key + 1) . '</span>';
$class = 'error';
}
break;
case 'bool':
switch (strtolower($parms[$key])) {
case "true":
$parameters[] = true;
break;
case "false":
$parameters[] = false;
break;
default:
$data = '<span class="error">' . sprintf(gettext('<em>[%1$s]</em> parameter %2$d should be <code>true</code> or <code>false</code>.'), trim($macro_instance, '[]'), $key + 1) . '</span>';
$class = 'error';
break;
}
break;
case 'array':
$l = array_slice($parms, $key);
$parms = array();
foreach ($l as $key => $p) {
$x = explode('=', $p);
if (count($x) == 2) {
$parms[$x[0]] = $x[1];
} else {
$parms[$key] = $x[0];
}
}
$parameters[] = $parms;
break;
default:
$data = '<span class="error">' . sprintf(gettext('<em>[%1$s]</em> parameter %2$d is incorrectly defined.'), trim($macro_instance, '[]'), $key + 1) . '</span>';
$class = 'error';
break;
}
} else {
if (strpos($type, '*') === false) {
$data = '<span class="error">' . sprintf(gettext('<em>[%1$s]</em> parameter %2$d is missing.'), trim($macro_instance, '[]'), $key + 1) . '</span>';
$class = 'error';
}
break;
}
}
} else {
if (!empty($p)) {
$class = 'error';
$data = '<span class="error">' . sprintf(gettext('<em>[%1$s]</em> macro does not take parameters'), trim($macro_instance, '[]')) . '</span>';
}
}
switch ($class) {
case 'error':
break;
case 'function':
case 'procedure':
if (is_callable($macro['value'])) {
if ($class == 'function') {
ob_start();
$data = call_user_func_array($macro['value'], $parameters);
if (empty($data)) {
$data = ob_get_contents();
}
ob_end_clean();
} else {
ob_start();
call_user_func_array($macro['value'], $parameters);
$data = ob_get_contents();
ob_end_clean();
}
if (empty($data)) {
$data = '<span class="error">' . sprintf(gettext('<em>[%1$s]</em> retuned no data'), trim($macro_instance, '[]')) . '</span>';
} else {
$data = "\n<!--Begin " . $macroname . "-->\n" . $data . "\n<!--End " . $macroname . "-->\n";
}
} else {
$data = '<span class="error">' . sprintf(gettext('<em>[%1$s]</em> <code>%2$s</code> is not callable'), trim($macro_instance, '[]'), $macro['value']) . '</span>';
}
break;
case 'constant':
$data = "\n<!--Begin " . $macroname . "-->\n" . $macro['value'] . "\n<!--End " . $macroname . "-->\n";
break;
case 'expression':
$expression = '$data = ' . $macro['value'];
$parms = array_reverse($parms, true);
preg_match_all('/\\$\\d+/', $macro['value'], $replacements);
foreach ($replacements as $rkey => $v) {
if (empty($v)) {
unset($replacements[$rkey]);
}
}
if (count($parms) == count($replacements)) {
foreach ($parms as $key => $value) {
$key++;
$expression = preg_replace('/\\$' . $key . '/', db_quote($value), $expression);
}
eval($expression);
if (!isset($data) || is_null($data)) {
$data = '<span class="error">' . sprintf(gettext('<em>[%1$s]</em> retuned no data'), trim($macro_instance, '[]')) . '</span>';
} else {
$data = "\n<!--Begin " . $macroname . "-->\n" . $data . "\n<!--End " . $macroname . "-->\n";
}
} else {
$data = '<span class="error">' . sprintf(ngettext('<em>[%1$s]</em> takes %2$d parameter', '<em>[%1$s]</em> takes %2$d parameters', count($replacements)), trim($macro_instance, '[]'), count($replacements)) . '</span>';
}
break;
}
$text = str_replace($macro_instance, $data, $text);
}
}
return $text;
}
