function expand_item_key_by_data($item)
{
$key =& $item['key_'];
$macStack = array();
$macroses = array('{HOSTNAME}', '{IPADDRESS}', '{HOST.DNS}', '{HOST.CONN}');
foreach ($macroses as $macro) {
$pos = 0;
while ($pos = zbx_strpos($key, $macro, $pos)) {
$pos++;
$macStack[] = $macro;
}
}
if (!empty($macStack)) {
$host = get_host_by_itemid($item['itemid']);
foreach ($macStack as $macro) {
switch ($macro) {
case '{HOSTNAME}':
$key = str_replace('{HOSTNAME}', $host['host'], $key);
break;
case '{IPADDRESS}':
$key = str_replace('{IPADDRESS}', $host['ip'], $key);
break;
case '{HOST.DNS}':
$key = str_replace('{HOST.DNS}', $host['dns'], $key);
break;
case '{HOST.CONN}':
$key = str_replace('{HOST.CONN}', $host['useip'] ? $host['ip'] : $host['dns'], $key);
break;
}
}
}
CUserMacro::resolveItem($item);
return $item['key_'];
}
function triggerExpression($trigger, $html, $template = false, $resolve_macro = false)
{
$expression = $trigger['expression'];
// echo "EXPRESSION:",$expression,"<Br>";
$functionid = '';
$macros = '';
if (0 == $html) {
$exp = '';
} else {
$exp = array();
}
$state = '';
for ($i = 0, $max = zbx_strlen($expression); $i < $max; $i++) {
if ($expression[$i] == '{' && $expression[$i + 1] == '$') {
$functionid = '';
$macros = '';
$state = 'MACROS';
} else {
if ($expression[$i] == '{') {
$functionid = '';
$state = 'FUNCTIONID';
continue;
}
}
if ($expression[$i] == '}') {
if ($state == 'MACROS') {
$macros .= '}';
if ($resolve_macro) {
$function_data['expression'] = $macros;
CUserMacro::resolveTrigger($function_data);
$macros = $function_data['expression'];
}
if (1 == $html) {
array_push($exp, $macros);
} else {
$exp .= $macros;
}
$macros = '';
$state = '';
continue;
}
$state = '';
if ($functionid == 'TRIGGER.VALUE') {
if (0 == $html) {
$exp .= '{' . $functionid . '}';
} else {
array_push($exp, '{' . $functionid . '}');
}
} else {
if (is_numeric($functionid) && isset($trigger['functions'][$functionid])) {
$function_data = $trigger['functions'][$functionid];
$function_data += $trigger['items'][$function_data['itemid']];
$function_data += $trigger['hosts'][$function_data['hostid']];
if ($template) {
$function_data['host'] = '{HOSTNAME}';
}
if ($resolve_macro) {
CUserMacro::resolveItem($function_data);
$function_data['expression'] = $function_data['parameter'];
CUserMacro::resolveTrigger($function_data);
$function_data['parameter'] = $function_data['expression'];
}
//SDII($function_data);
if ($html == 0) {
$exp .= '{' . $function_data['host'] . ':' . $function_data['key_'] . '.' . $function_data['function'] . '(' . $function_data['parameter'] . ')}';
} else {
$style = $function_data['status'] == ITEM_STATUS_DISABLED ? 'disabled' : 'unknown';
if ($function_data['status'] == ITEM_STATUS_ACTIVE) {
$style = 'enabled';
}
$link = new CLink($function_data['host'] . ':' . $function_data['key_'], 'items.php?form=update&itemid=' . $function_data['itemid'], $style);
if ($function_data['type'] == ITEM_TYPE_HTTPTEST) {
$link = new CSpan($function_data['host'] . ':' . $function_data['key_'], $style);
}
array_push($exp, array('{', $link, '.', bold($function_data['function'] . '('), $function_data['parameter'], bold(')'), '}'));
}
} else {
if (1 == $html) {
array_push($exp, new CSpan('*ERROR*', 'on'));
} else {
$exp .= '*ERROR*';
}
}
}
continue;
}
if ($state == 'FUNCTIONID') {
$functionid = $functionid . $expression[$i];
continue;
} else {
if ($state == 'MACROS') {
$macros = $macros . $expression[$i];
continue;
}
}
if (1 == $html) {
array_push($exp, $expression[$i]);
} else {
$exp .= $expression[$i];
}
}
//SDII($exp);
return $exp;
}
