<?php
 /**
 * BAT Plugin, which displays battery state
 *
 * @category  PHP
 * @package   PSI_Plugin_BAT
 * @author    Erkan V
 * @copyright 2009 phpSysInfo
 * @license   http://opensource.org/licenses/gpl-2.0.php GNU General Public License
 * @version   $Id: class.bat.inc.php 661 2012-08-27 11:26:39Z namiltd $
 * @link      http://phpsysinfo.sourceforge.net
 */
class BAT extends PSI_Plugin
{
	/**
	 * variable, which holds the content of the command
	 * @var array
	 */
	private $_filecontent = array();

	/**
	 * variable, which holds the result before the xml is generated out of this array
	 * @var array
	 */
	private $_result = array();

	/**
	 * read the data into an internal array and also call the parent constructor
	 *
	 * @param String $enc encoding
	 */
	public function __construct($enc)
	{
		parent::__construct(__CLASS__, $enc);
		switch (strtolower(PSI_PLUGIN_BAT_ACCESS)) {
			case 'command':
				if (PSI_OS == 'WINNT') {
					$_cim = null; //root\CIMv2
					$_wmi = null; //root\WMI
					// don't set this params for local connection, it will not work
					$strHostname = '';
					$strUser = '';
					$strPassword = '';
					try {
						// initialize the wmi object
						$objLocatorCIM = new COM('WbemScripting.SWbemLocator');
						if ($strHostname == "") {
							$_cim = $objLocatorCIM->ConnectServer();
						} else {
							$_cim = $objLocatorCIM->ConnectServer($strHostname, 'root\CIMv2', $strHostname.'\\'.$strUser, $strPassword);
						}

						// initialize the wmi object
						$objLocatorWMI = new COM('WbemScripting.SWbemLocator');
						if ($strHostname == "") {
							$_wmi = $objLocatorWMI->ConnectServer($strHostname, 'root\WMI');
						} else {
							$_wmi = $objLocatorWMI->ConnectServer($strHostname, 'root\WMI', $strHostname.'\\'.$strUser, $strPassword);
						}
					} catch (Exception $e) {
						$this->global_error->addError("WMI connect error", "PhpSysInfo can not connect to the WMI interface for security reasons.\nCheck an authentication mechanism for the directory where phpSysInfo is installed.");
					}
					$buffer_info = '';
					$buffer_state = '';
					$bufferWB = CommonFunctions::getWMI($_cim, 'Win32_Battery', array('EstimatedChargeRemaining', 'DesignVoltage', 'BatteryStatus', 'Chemistry'));
					if (sizeof($bufferWB)>0) {
						$capacity = '';
						if (isset($bufferWB[0]['EstimatedChargeRemaining'])) {
							$capacity = $bufferWB[0]['EstimatedChargeRemaining'];
						}
						if (isset($bufferWB[0]['BatteryStatus'])) {
							switch ($bufferWB[0]['BatteryStatus']) {
								case  1: $batstat = 'Discharging'; break;
								case  2: $batstat = 'AC connected'; break;
								case  3: $batstat = 'Fully Charged'; break;
								case  4: $batstat = 'Low'; break;
								case  5: $batstat = 'Critical'; break;
								case  6: $batstat = 'Charging'; break;
								case  7: $batstat = 'Charging and High'; break;
								case  8: $batstat = 'Charging and Low'; break;
								case  9: $batstat = 'Charging and Critical'; break;
								case 10: $batstat = 'Undefined'; break;
								case 11: $batstat = 'Partially Charged'; break;
								default: $batstat = '';
							}
							if ($batstat != '') $buffer_state .= 'POWER_SUPPLY_STATUS='.$batstat."\n";
						}
						$techn = '';
						if (isset($bufferWB[0]['Chemistry'])) {
							switch ($bufferWB[0]['Chemistry']) {
								case 1: $techn = 'Other'; break;
								case 2: $techn = 'Unknown'; break;
								case 3: $techn = 'PbAc'; break;
								case 4: $techn = 'NiCd'; break;
								case 5: $techn = 'NiMH'; break;
								case 6: $techn = 'Li-ion'; break;
								case 7: $techn = 'Zinc-air'; break;
								case 8: $techn = 'Li-poly'; break;
							}
						}
						$bufferWPB = CommonFunctions::getWMI($_cim, 'Win32_PortableBattery', array('DesignVoltage', 'Chemistry', 'DesignCapacity', 'FullChargeCapacity'));
						if (isset($bufferWPB[0]['DesignVoltage'])) {
							$buffer_info .= 'POWER_SUPPLY_VOLTAGE_MIN_DESIGN='.($bufferWPB[0]['DesignVoltage']*1000)."\n";
						}
						// sometimes Chemistry from Win32_Battery returns 2 but Win32_PortableBattery returns e.g. 6
						if ((($techn == '') || ($techn == 'Unknown')) && isset($bufferWPB[0]['Chemistry'])) {
							switch ($bufferWPB[0]['Chemistry']) {
								case 1: $techn = 'Other'; break;
								case 2: $techn = 'Unknown'; break;
								case 3: $techn = 'PbAc'; break;
								case 4: $techn = 'NiCd'; break;
								case 5: $techn = 'NiMH'; break;
								case 6: $techn = 'Li-ion'; break;
								case 7: $techn = 'Zinc-air'; break;
								case 8: $techn = 'Li-poly'; break;
							}
						}
						if ($techn != '') $buffer_info .= 'POWER_SUPPLY_TECHNOLOGY='.$techn."\n";

						$bufferBS = CommonFunctions::getWMI($_wmi, 'BatteryStatus', array('RemainingCapacity', 'Voltage'));
						if (sizeof($bufferBS)>0) {
							if (isset($bufferBS[0]['RemainingCapacity']) && ($bufferBS[0]['RemainingCapacity']>0)) {
								$buffer_state .= 'POWER_SUPPLY_ENERGY_NOW='.($bufferBS[0]['RemainingCapacity']*1000)."\n";
								$capacity = '';
							}
							if (isset($bufferBS[0]['Voltage']) && ($bufferBS[0]['Voltage']>0)) {
								$buffer_state .= 'POWER_SUPPLY_VOLTAGE_NOW='.($bufferBS[0]['Voltage']*1000)."\n";
							} elseif (isset($bufferWB[0]['DesignVoltage'])) {
								$buffer_state .= 'POWER_SUPPLY_VOLTAGE_NOW='.($bufferWB[0]['DesignVoltage']*1000)."\n";
							}
						}

						if (!isset($bufferWPB[0]['FullChargeCapacity'])) {
							$bufferBFCC = CommonFunctions::getWMI($_wmi, 'BatteryFullChargedCapacity', array('FullChargedCapacity'));
							if ((sizeof($bufferBFCC)>0) && isset($bufferBFCC[0]['FullChargedCapacity'])) {
								$bufferWPB[0]['FullChargeCapacity'] = $bufferBFCC[0]['FullChargedCapacity'];
							}
						}
						if (isset($bufferWPB[0]['FullChargeCapacity'])) {
							$buffer_info .= 'POWER_SUPPLY_ENERGY_FULL='.($bufferWPB[0]['FullChargeCapacity']*1000)."\n";
							if ($capacity != '') $buffer_state .= 'POWER_SUPPLY_ENERGY_NOW='.(round($capacity*$bufferWPB[0]['FullChargeCapacity']*10)."\n");
							if (isset($bufferWPB[0]['DesignCapacity']) && ($bufferWPB[0]['DesignCapacity']!=0))
							$buffer_info .= 'POWER_SUPPLY_ENERGY_FULL_DESIGN='.($bufferWPB[0]['DesignCapacity']*1000)."\n";
						} elseif (isset($bufferWPB[0]['DesignCapacity'])) {
							$buffer_info .= 'POWER_SUPPLY_ENERGY_FULL_DESIGN='.($bufferWPB[0]['DesignCapacity']*1000)."\n";
							if ($capacity != '') $buffer_state .= 'POWER_SUPPLY_ENERGY_NOW='.(round($capacity*$bufferWPB[0]['DesignCapacity']*10)."\n");
						} else {
							if ($capacity != '') $buffer_state .= 'POWER_SUPPLY_CAPACITY='.$capacity."\n";
						}

						$bufferBCC = CommonFunctions::getWMI($_wmi, 'BatteryCycleCount', array('CycleCount'));
						if ((sizeof($bufferBCC)>0) && isset($bufferBCC[0]['CycleCount']) && ($bufferBCC[0]['CycleCount']>0)) {
							$buffer_info .= 'POWER_SUPPLY_CYCLE_COUNT='.$bufferBCC[0]['CycleCount']."\n";
						}
					}
				} elseif (PSI_OS == 'Darwin') {
					$buffer_info = '';
					$buffer_state = '';
					CommonFunctions::executeProgram('ioreg', '-w0 -l -n AppleSmartBattery -r', $buffer_info, false);
				} elseif (PSI_OS == 'FreeBSD') {
					$buffer_info = '';
					$buffer_state = '';
					CommonFunctions::executeProgram('acpiconf', '-i batt', $buffer_info, false);
				} elseif (PSI_OS == 'OpenBSD') {
					$buffer_info = '';
					$buffer_state = '';
					CommonFunctions::executeProgram('sysctl', 'hw.sensors.acpibat0', $buffer_info, false);
				} else {
					$buffer_info = '';
					$buffer_state = '';
					$bat_name = PSI_PLUGIN_BAT_DEVICE;
					$rfts_bi = CommonFunctions::rfts('/proc/acpi/battery/'.$bat_name.'/info', $buffer_info, 0, 4096, false);
					$rfts_bs = CommonFunctions::rfts('/proc/acpi/battery/'.$bat_name.'/state', $buffer_state, 0, 4096, false);
					if (!$rfts_bi && !$rfts_bs) {
						$buffer_info = '';
						$buffer_state = '';
						if (!CommonFunctions::rfts('/sys/class/power_supply/'.$bat_name.'/uevent', $buffer_info, 0, 4096, false)) {
							if (CommonFunctions::rfts('/sys/class/power_supply/battery/uevent', $buffer_info, 0, 4096, false)) {
								$bat_name = 'battery';
							} else {
								CommonFunctions::rfts('/sys/class/power_supply/'.$bat_name.'/uevent', $buffer_info, 0, 4096, PSI_DEBUG); // Once again but with debug
							}
						}
						if (CommonFunctions::rfts('/sys/class/power_supply/'.$bat_name.'/voltage_min_design', $buffer1, 1, 4096, false)) {
							$buffer_state .= 'POWER_SUPPLY_VOLTAGE_MIN_DESIGN='.$buffer1."\n";
						}
						if (CommonFunctions::rfts('/sys/class/power_supply/'.$bat_name.'/voltage_max_design', $buffer1, 1, 4096, false)) {
							$buffer_state .= 'POWER_SUPPLY_VOLTAGE_MAX_DESIGN='.$buffer1."\n";
						}
						if (CommonFunctions::rfts('/sys/class/power_supply/'.$bat_name.'/voltage_now', $buffer1, 1, 4096, false)) {
							$buffer_state .= 'POWER_SUPPLY_VOLTAGE_NOW='.$buffer1."\n";
						}
						if (CommonFunctions::rfts('/sys/class/power_supply/'.$bat_name.'/energy_full', $buffer1, 1, 4096, false)) {
							$buffer_state .= 'POWER_SUPPLY_ENERGY_FULL='.$buffer1."\n";
						}
						if (CommonFunctions::rfts('/sys/class/power_supply/'.$bat_name.'/energy_now', $buffer1, 1, 4096, false)) {
							$buffer_state .= 'POWER_SUPPLY_ENERGY_NOW='.$buffer1."\n";
						}
						if (CommonFunctions::rfts('/sys/class/power_supply/'.$bat_name.'/charge_full', $buffer1, 1, 4096, false)) {
							$buffer_state .= 'POWER_SUPPLY_CHARGE_FULL='.$buffer1."\n";
						}
						if (CommonFunctions::rfts('/sys/class/power_supply/'.$bat_name.'/charge_now', $buffer1, 1, 4096, false)) {
							$buffer_state .= 'POWER_SUPPLY_CHARGE_NOW='.$buffer1."\n";
						}
						if (CommonFunctions::rfts('/sys/class/power_supply/'.$bat_name.'/capacity', $buffer1, 1, 4096, false)) {
							$buffer_state .= 'POWER_SUPPLY_CAPACITY='.$buffer1;
						}
						if (CommonFunctions::rfts('/sys/class/power_supply/'.$bat_name.'/technology', $buffer1, 1, 4096, false)) {
							$buffer_state .= 'POWER_SUPPLY_TECHNOLOGY='.$buffer1;
						}
						if (CommonFunctions::rfts('/sys/class/power_supply/'.$bat_name.'/status', $buffer1, 1, 4096, false)) {
							$buffer_state .= 'POWER_SUPPLY_STATUS='.$buffer1;
						}
						if (CommonFunctions::rfts('/sys/class/power_supply/'.$bat_name.'/batt_temp', $buffer1, 1, 4096, false)) {
							$buffer_state .= 'POWER_SUPPLY_TEMP='.$buffer1;
						}
						if (CommonFunctions::rfts('/sys/class/power_supply/'.$bat_name.'/batt_vol', $buffer1, 1, 4096, false)) {
							$buffer_state .= 'POWER_SUPPLY_VOLTAGE_NOW='.$buffer1;
						}
						if (CommonFunctions::rfts('/sys/class/power_supply/'.$bat_name.'/health', $buffer1, 1, 4096, false)) {
							$buffer_state .= 'POWER_SUPPLY_HEALTH='.$buffer1;
						}
					}
				}
			break;
			case 'data':
				CommonFunctions::rfts(APP_ROOT."/data/bat_info.txt", $buffer_info);
				CommonFunctions::rfts(APP_ROOT."/data/bat_state.txt", $buffer_state);
			break;
			default:
				$this->global_error->addConfigError("__construct()", "PSI_PLUGIN_BAT_ACCESS");
			break;
		}
		$this->_filecontent['info'] = preg_split("/\n/", $buffer_info, -1, PREG_SPLIT_NO_EMPTY);
		$this->_filecontent['state'] = preg_split("/\n/", $buffer_state, -1, PREG_SPLIT_NO_EMPTY);
	}

	/**
	 * doing all tasks to get the required informations that the plugin needs
	 * result is stored in an internal array
	 *
	 * @return void
	 */
	public function execute()
	{
		if (empty($this->_filecontent)) {
			return;
		}
		foreach ($this->_filecontent['info'] as $roworig) {
			$roworig = trim($roworig);
			if (preg_match('/^[dD]esign capacity:\s*(.*) (.*)$/', $roworig, $data)) {
				$bat['design_capacity'] = $data[1];
				if (!isset($bat['capacity_unit'])) {
					$bat['capacity_unit'] = trim($data[2]);
				} elseif ($bat['capacity_unit'] != trim($data[2])) {
					$bat['capacity_unit'] = "???";
				}
			} elseif (preg_match('/^[lL]ast full capacity:\s*(.*) (.*)$/', $roworig, $data)) {
				$bat['full_capacity'] = $data[1];
				if (!isset($bat['capacity_unit'])) {
					$bat['capacity_unit'] = trim($data[2]);
				} elseif ($bat['capacity_unit'] != trim($data[2])) {
					$bat['capacity_unit'] = "???";
				}
			} elseif (preg_match('/^cycle count:\s*(.*)$/', $roworig, $data) && ($data[1]>0)) {
				$bat['cycle_count'] = $data[1];
			} elseif (preg_match('/^[dD]esign voltage:\s*(.*) (.*)$/', $roworig, $data)) {
				if ($data[2]=="mV") { // uV or mV detection
					$bat['design_voltage'] = $data[1];
				} else {
					$bat['design_voltage'] = round($data[1]/1000);
				}
			} elseif (preg_match('/^battery type:\s*(.*)$/', $roworig, $data)) {
				$bat['battery_type'] = $data[1];
			} elseif (preg_match('/^POWER_SUPPLY_CYCLE_COUNT=(.*)$/', $roworig, $data) && ($data[1]>0)) {
				$bat['cycle_count'] = $data[1];
			} elseif (preg_match('/^POWER_SUPPLY_VOLTAGE_MIN_DESIGN=(.*)$/', $roworig, $data)) {
				if ($data[1]<100000) { // uV or mV detection
					$bat['design_voltage'] = $data[1];
				} else {
					$bat['design_voltage'] = round($data[1]/1000);
				}
			} elseif (preg_match('/^POWER_SUPPLY_VOLTAGE_MAX_DESIGN=(.*)$/', $roworig, $data)) {
				if ($data[1]<100000) { // uV or mV detection
					$bat['design_voltage_max'] = $data[1];
				} else {
					$bat['design_voltage_max'] = round($data[1]/1000);
				}
			} elseif (preg_match('/^POWER_SUPPLY_ENERGY_FULL=(.*)$/', $roworig, $data)) {
				$bat['full_capacity'] = ($data[1]/1000);
				if (!isset($bat['capacity_unit'])) {
					$bat['capacity_unit'] = "mWh";
				} elseif ($bat['capacity_unit'] != "mWh") {
					$bat['capacity_unit'] = "???";
				}
			} elseif (preg_match('/^POWER_SUPPLY_CHARGE_FULL=(.*)$/', $roworig, $data)) {
				$bat['full_capacity'] = ($data[1]/1000);
				if (!isset($bat['capacity_unit'])) {
					$bat['capacity_unit'] = "mAh";
				} elseif ($bat['capacity_unit'] != "mAh") {
					$bat['capacity_unit'] = "???";
				}
			} elseif (preg_match('/^POWER_SUPPLY_ENERGY_NOW=(.*)$/', $roworig, $data)) {
				if (!isset($bat['capacity_unit']) || ($bat['capacity_unit'] == "mWh")) {
					$bat['capacity_unit'] = "mWh";
					$bat['remaining_capacity'] = ($data[1]/1000);
				}
			} elseif (preg_match('/^POWER_SUPPLY_CHARGE_NOW=(.*)$/', $roworig, $data)) {
				if (!isset($bat['capacity_unit']) || ($bat['capacity_unit'] == "mAh")) {
					$bat['capacity_unit'] = "mAh";
					$bat['remaining_capacity'] = ($data[1]/1000);
				}

				/* auxiary */
			} elseif (preg_match('/^POWER_SUPPLY_ENERGY_FULL_DESIGN=(.*)$/', $roworig, $data)) {
				$bat['design_capacity'] = ($data[1]/1000);
				if (!isset($bat['capacity_unit'])) {
					$bat['capacity_unit'] = "mWh";
				} elseif ($bat['capacity_unit'] != "mWh") {
					$bat['capacity_unit'] = "???";
				}
			} elseif (preg_match('/^POWER_SUPPLY_CHARGE_FULL_DESIGN=(.*)$/', $roworig, $data)) {
				$bat['design_capacity'] = ($data[1]/1000);
				if (!isset($bat['capacity_unit'])) {
					$bat['capacity_unit'] = "mAh";
				} elseif ($bat['capacity_unit'] != "mAh") {
					$bat['capacity_unit'] = "???";
				}
			} elseif (preg_match('/^POWER_SUPPLY_VOLTAGE_NOW=(.*)$/', $roworig, $data)) {
				if ($data[1]<100000) { // uV or mV detection
					$bat['present_voltage'] = $data[1];
				} else {
					$bat['present_voltage'] = round($data[1]/1000);
				}
			} elseif (preg_match('/^POWER_SUPPLY_CAPACITY=(.*)$/', $roworig, $data)) {
				$bat['capacity'] = $data[1];
			} elseif (preg_match('/^POWER_SUPPLY_TEMP=(.*)$/', $roworig, $data)) {
				$bat['battery_temperature'] = $data[1]/10;
			} elseif (preg_match('/^POWER_SUPPLY_TECHNOLOGY=(.*)$/', $roworig, $data)) {
				$bat['battery_type'] = $data[1];
			} elseif (preg_match('/^POWER_SUPPLY_STATUS=(.*)$/', $roworig, $data)) {
				$bat['charging_state'] = $data[1];
			} elseif (preg_match('/^POWER_SUPPLY_HEALTH=(.*)$/', $roworig, $data)) {
				$bat['battery_condition'] = $data[1];

				/* Darwin */
			} elseif (preg_match('/^"MaxCapacity"\s*=\s*(.*)$/', $roworig, $data)) {
				$bat['full_capacity'] = $data[1];
			} elseif (preg_match('/^"CurrentCapacity"\s*=\s*(.*)$/', $roworig, $data)) {
				$bat['remaining_capacity'] = $data[1];
			} elseif (preg_match('/^"Voltage"\s*=\s*(.*)$/', $roworig, $data)) {
				$bat['present_voltage'] = $data[1];
			} elseif (preg_match('/^"BatteryType"\s*=\s*"(.*)"$/', $roworig, $data)) {
				$bat['battery_type'] = $data[1];
			} elseif (preg_match('/^"Temperature"\s*=\s*(.*)$/', $roworig, $data)) {
				if ($data[1]>0) $bat['battery_temperature'] = $data[1]/100;
			} elseif (preg_match('/^"DesignCapacity"\s*=\s*(.*)$/', $roworig, $data)) {
				$bat['design_capacity'] = $data[1];
			} elseif (preg_match('/^"CycleCount"\s*=\s*(.*)$/', $roworig, $data) && ($data[1]>0)) {
				$bat['cycle_count'] = $data[1];
				/* auxiary */
			} elseif (preg_match('/^"FullyCharged"\s*=\s*Yes$/', $roworig, $data)) {
				$bat['charging_state_f'] = true;
			} elseif (preg_match('/^"IsCharging"\s*=\s*Yes$/', $roworig, $data)) {
				$bat['charging_state_i'] = true;
			} elseif (preg_match('/^"ExternalConnected"\s*=\s*Yes$/', $roworig, $data)) {
				$bat['charging_state_e'] = true;

				/* FreeBSD */
			} elseif (preg_match('/^Type:\s*(.*)$/', $roworig, $data)) {
				$bat['battery_type'] = $data[1];
			} elseif (preg_match('/^State:\s*(.*)$/', $roworig, $data)) {
				$bat['charging_state'] = $data[1];
			} elseif (preg_match('/^Present voltage:\s*(.*) (.*)$/', $roworig, $data)) {
				if ($data[2]=="mV") { // uV or mV detection
					$bat['present_voltage'] = $data[1];
				} else {
					$bat['present_voltage'] = round($data[1]/1000);
				}
			} elseif (preg_match('/^Voltage:\s*(.*) (.*)$/', $roworig, $data)) {
				if ($data[2]=="mV") { // uV or mV detection
					$bat['present_voltage'] = $data[1];
				} else {
					$bat['present_voltage'] = round($data[1]/1000);
				}
			} elseif (preg_match('/^Remaining capacity:\s*(.*)%$/', $roworig, $data)) {
				$bat['capacity'] = $data[1];

				/* OpenBSD */
			} elseif (preg_match('/^hw.sensors.acpibat0.volt0=(.*) VDC \(voltage\)$/', $roworig, $data)) {
				$bat['design_voltage'] = 1000*$data[1];
			} elseif (preg_match('/^hw.sensors.acpibat0.volt1=(.*) VDC \(current voltage\)$/', $roworig, $data)) {
				$bat['present_voltage'] = 1000*$data[1];
			} elseif (preg_match('/^hw.sensors.acpibat0.watthour0=(.*) Wh \(last full capacity\)$/', $roworig, $data)) {
				$bat['full_capacity'] = 1000*$data[1];
				if (!isset($bat['capacity_unit'])) {
					$bat['capacity_unit'] = "mWh";
				} elseif ($bat['capacity_unit'] != "mWh") {
					$bat['capacity_unit'] = "???";
				}
			} elseif (preg_match('/^hw.sensors.acpibat0.watthour4=(.*) Wh \(design capacity\)$/', $roworig, $data)) {
				$bat['design_capacity'] = 1000*$data[1];
				if (!isset($bat['capacity_unit'])) {
					$bat['capacity_unit'] = "mWh";
				} elseif ($bat['capacity_unit'] != "mWh") {
					$bat['capacity_unit'] = "???";
				}
			} elseif (preg_match('/^hw.sensors.acpibat0.watthour3=(.*) Wh \(remaining capacity\)/', $roworig, $data)) {
				$bat['remaining_capacity'] = 1000*$data[1];
				if (!isset($bat['capacity_unit'])) {
					$bat['capacity_unit'] = "mWh";
				} elseif ($bat['capacity_unit'] != "mWh") {
					$bat['capacity_unit'] = "???";
				}
			} elseif (preg_match('/^hw.sensors.acpibat0.raw0=.* \((.*)\)/', $roworig, $data)) {
				$bat['charging_state'] = $data[1];
			}
		}
		foreach ($this->_filecontent['state'] as $roworig) {
			$roworig = trim($roworig);
			if (preg_match('/^remaining capacity:\s*(.*) (.*)$/', $roworig, $data)) {
				if (!isset($bat['capacity_unit']) || ($bat['capacity_unit'] == trim($data[2]))) {
					$bat['capacity_unit'] = trim($data[2]);
					$bat['remaining_capacity'] = $data[1];
				}
			} elseif (preg_match('/^present voltage:\s*(.*) (.*)$/', $roworig, $data)) {
				if ($data[2]=="mV") { // uV or mV detection
					$bat['present_voltage'] = $data[1];
				} else {
					$bat['present_voltage'] = round($data[1]/1000);
				}
			} elseif (preg_match('/^charging state:\s*(.*)$/', $roworig, $data)) {
				$bat['charging_state'] = $data[1];
			} elseif (preg_match('/^POWER_SUPPLY_VOLTAGE_MIN_DESIGN=(.*)$/', $roworig, $data)) {
				if ($data[1]<100000) { // uV or mV detection
					$bat['design_voltage'] = $data[1];
				} else {
					$bat['design_voltage'] = round($data[1]/1000);
				}
			} elseif (preg_match('/^POWER_SUPPLY_VOLTAGE_MAX_DESIGN=(.*)$/', $roworig, $data)) {
				if ($data[1]<100000) { // uV or mV detection
					$bat['design_voltage_max'] = $data[1];
				} else {
					$bat['design_voltage_max'] = round($data[1]/1000);
				}
			} elseif (preg_match('/^POWER_SUPPLY_ENERGY_FULL=(.*)$/', $roworig, $data)) {
				$bat['full_capacity'] = ($data[1]/1000);
				if (!isset($bat['capacity_unit'])) {
					$bat['capacity_unit'] = "mWh";
				} elseif ($bat['capacity_unit'] != "mWh") {
					$bat['capacity_unit'] = "???";
				}
			} elseif (preg_match('/^POWER_SUPPLY_CHARGE_FULL=(.*)$/', $roworig, $data)) {
				$bat['full_capacity'] = ($data[1]/1000);
				if (!isset($bat['capacity_unit'])) {
					$bat['capacity_unit'] = "mAh";
				} elseif ($bat['capacity_unit'] != "mAh") {
					$bat['capacity_unit'] = "???";
				}
			} elseif (preg_match('/^POWER_SUPPLY_ENERGY_NOW=(.*)$/', $roworig, $data)) {
				if (!isset($bat['capacity_unit']) || ($bat['capacity_unit'] == "mWh")) {
					$bat['capacity_unit'] = "mWh";
					$bat['remaining_capacity'] = ($data[1]/1000);
				}
			} elseif (preg_match('/^POWER_SUPPLY_CHARGE_NOW=(.*)$/', $roworig, $data)) {
				if (!isset($bat['capacity_unit']) || ($bat['capacity_unit'] == "mAh")) {
					$bat['capacity_unit'] = "mAh";
					$bat['remaining_capacity'] = ($data[1]/1000);
				}
			} elseif (preg_match('/^POWER_SUPPLY_VOLTAGE_NOW=(.*)$/', $roworig, $data)) {
				if ($data[1]<100000) { // uV or mV detection
					$bat['present_voltage'] = $data[1];
				} else {
					$bat['present_voltage'] = round($data[1]/1000);
				}
			} elseif (preg_match('/^POWER_SUPPLY_CAPACITY=(.*)$/', $roworig, $data)) {
				$bat['capacity'] = $data[1];
			} elseif (preg_match('/^POWER_SUPPLY_TEMP=(.*)$/', $roworig, $data)) {
				$bat['battery_temperature'] = $data[1]/10;
			} elseif (preg_match('/^POWER_SUPPLY_TECHNOLOGY=(.*)$/', $roworig, $data)) {
				$bat['battery_type'] = $data[1];
			} elseif (preg_match('/^POWER_SUPPLY_STATUS=(.*)$/', $roworig, $data)) {
				$bat['charging_state'] = $data[1];
			} elseif (preg_match('/^POWER_SUPPLY_HEALTH=(.*)$/', $roworig, $data)) {
				$bat['battery_condition'] = $data[1];
			}
		}

		if (isset($bat)) $this->_result[0] = $bat;
	}

	/**
	 * generates the XML content for the plugin
	 *
	 * @return SimpleXMLElement entire XML content for the plugin
	 */
	public function xml()
	{
		foreach ($this->_result as $bat_item) {
			$xmlbat = $this->xml->addChild("Bat");
			if ((!isset($bat_item['remaining_capacity']) || (isset($bat_item['full_capacity']) && ($bat_item['full_capacity'] == 0))) &&
				isset($bat_item['capacity']) && ($bat_item['capacity']>=0)) {
				if (isset($bat_item['capacity_unit']) && ($bat_item['capacity_unit'] !== "???")
				   && (isset($bat_item['full_capacity']) && ($bat_item['full_capacity'] > 0))) {
					$xmlbat->addAttribute("CapacityUnit", $bat_item['capacity_unit']);
					$xmlbat->addAttribute("RemainingCapacity", round($bat_item['capacity']*$bat_item['full_capacity']/100));
					$xmlbat->addAttribute("FullCapacity", $bat_item['full_capacity']);
					if (isset($bat_item['design_capacity'])) {
						$xmlbat->addAttribute("DesignCapacity", $bat_item['design_capacity']);
					}
				} else {
					$xmlbat->addAttribute("FullCapacity", 100);
					$xmlbat->addAttribute("RemainingCapacity", $bat_item['capacity']);
					$xmlbat->addAttribute("CapacityUnit", "%");
				}
			} else {
				if (isset($bat_item['full_capacity'])) {
					if (isset($bat_item['design_capacity'])) {
						$xmlbat->addAttribute("DesignCapacity", $bat_item['design_capacity']);
					}
					$xmlbat->addAttribute("FullCapacity", $bat_item['full_capacity']);
				} elseif (isset($bat_item['design_capacity'])) {
					$xmlbat->addAttribute("FullCapacity", $bat_item['design_capacity']);
				}
				if (isset($bat_item['remaining_capacity'])) {
					$xmlbat->addAttribute("RemainingCapacity", $bat_item['remaining_capacity']);
				}
				if (isset($bat_item['capacity_unit'])) {
					$xmlbat->addAttribute("CapacityUnit", $bat_item['capacity_unit']);
				}
			}
			if (isset($bat_item['design_voltage'])) {
				$xmlbat->addAttribute("DesignVoltage", $bat_item['design_voltage']);
				if (isset($bat_item['design_voltage_max']) && ($bat_item['design_voltage_max'] != $bat_item['design_voltage'])) {
					$xmlbat->addAttribute("DesignVoltageMax", $bat_item['design_voltage_max']);
				}
			} elseif (isset($bat_item['design_voltage_max'])) {
				$xmlbat->addAttribute("DesignVoltage", $bat_item['design_voltage_max']);
			}
			if (isset($bat_item['present_voltage'])) {
				$xmlbat->addAttribute("PresentVoltage", $bat_item['present_voltage']);
			}
			if (isset($bat_item['charging_state'])) {
				$xmlbat->addAttribute("ChargingState", $bat_item['charging_state']);
			} else {
				if (isset($bat_item['charging_state_i'])) {
					$xmlbat->addAttribute("ChargingState", 'Charging');
				} elseif (!isset($bat_item['charging_state_e'])) {
					$xmlbat->addAttribute("ChargingState", 'Discharging');
				} elseif (isset($bat_item['charging_state_f'])) {
					$xmlbat->addAttribute("ChargingState", 'Fully Charged');
				} else {
					$xmlbat->addAttribute("ChargingState", 'Unknown state');
				}
			}
			if (isset($bat_item['battery_type'])) {
				$xmlbat->addAttribute("BatteryType", $bat_item['battery_type']);
			}
			if (isset($bat_item['battery_temperature'])) {
				$xmlbat->addAttribute("BatteryTemperature", $bat_item['battery_temperature']);
			}
			if (isset($bat_item['battery_condition'])) {
				$xmlbat->addAttribute("BatteryCondition", $bat_item['battery_condition']);
			}
			if (isset($bat_item['cycle_count'])) {
				$xmlbat->addAttribute("CycleCount", $bat_item['cycle_count']);
			}
		}

		return $this->xml->getSimpleXmlElement();
	}
}