PHP Zend_Io_Writer::writeInt8方法代碼示例

 /**
  * Writes a data-record to the file.
  * @param mixed[] $msg_def
  * @param mixed[] $message_data
  * @return \Fit\Writer
  */
 protected function writeMessageData($msg_def, $message_data)
 {
     $local_msg_type = $this->getLocalMsgType($msg_def['global_msg_number']);
     $this->writeRecordHeaderByte($local_msg_type, false);
     //en nu de velddata wegschrijven
     foreach ($msg_def['fields'] as $field_def) {
         if (isset($message_data[$field_def[\Fit\Field::NAME]])) {
             $val = $message_data[$field_def[\Fit\Field::NAME]];
         } else {
             $val = null;
         }
         if (is_numeric($val) && $field_def[\Fit\Field::FACTOR] > 0) {
             $val /= $field_def[\Fit\Field::FACTOR];
         }
         $big_endian = $msg_def['architecture'] === 1;
         switch ($field_def[\Fit\Field::TYPE_NUMBER]) {
             case \Fit\Core::STRING:
                 $this->writer->writeString8((string) $val, $field_def[\Fit\Field::SIZE]);
                 break;
             case \Fit\Core::SINT8:
                 $this->writer->writeInt8($val);
                 break;
             case \Fit\Core::ENUM:
             case \Fit\Core::UINT8Z:
             case \Fit\Core::UINT8:
                 $this->writer->writeUInt8($val);
                 break;
             case \Fit\Core::SINT16:
                 $big_endian ? $this->writer->writeInt16BE($val) : $this->writer->writeInt16LE($val);
                 break;
             case \Fit\Core::UINT16Z:
             case \Fit\Core::UINT16:
                 $big_endian ? $this->writer->writeUInt16BE($val) : $this->writer->writeUInt16LE($val);
                 break;
             case \Fit\Core::SINT32:
                 $big_endian ? $this->writer->writeInt32BE($val) : $this->writer->writeInt32LE($val);
                 break;
             case \Fit\Core::UINT32Z:
             case \Fit\Core::UINT32:
                 $big_endian ? $this->writer->writeUInt32BE($val) : $this->writer->writeUInt32LE($val);
                 break;
             case \Fit\Core::FLOAT32:
                 $big_endian ? $this->writer->writeFloatBE($val) : $this->writer->writeFloatLE($val);
                 break;
             case \Fit\Core::FLOAT64:
                 $big_endian ? $this->writer->writeInt64BE($val) : $this->writer->writeInt64LE($val);
                 break;
             case \Fit\Core::BYTE:
             default:
                 $this->writer->write($val, $field_def[\Fit\Field::SIZE]);
         }
     }
     return $this;
 }

 /**
  * Writes the header data.
  *
  * @param Zend_Io_Writer $writer The writer object.
  * @return void
  */
 public function write($writer)
 {
     /* ID3v2.3.0 ExtendedHeader */
     if ($this->getOption('version', 4) < 4) {
         $writer->writeUInt32BE($this->_size)->writeUInt16BE($this->hasFlag(self::CRC32) ? 0x8000 : 0)->writeUInt32BE($this->_padding);
         if ($this->hasFlag(self::CRC32)) {
             $writer->writeUInt32BE($this->_crc);
         }
     } else {
         $writer->writeUInt32BE($this->_encodeSynchsafe32($this->_size))->writeInt8(1)->writeInt8($this->_flags);
         if ($this->hasFlag(self::UPDATE)) {
             $writer->write("");
         }
         if ($this->hasFlag(self::CRC32)) {
             $writer->writeInt8(5)->writeInt8($this->_crc & 4026531840.0 >> 28 & 0xf)->writeUInt32BE($this->_encodeSynchsafe32($this->_crc));
         }
         if ($this->hasFlag(self::RESTRICTED)) {
             $writer->writeInt8(1)->writeInt8($this->_restrictions);
         }
     }
 }

 /**
  * Writes the header/footer data without the identifier.
  *
  * @param Zend_Io_Writer $writer The writer object.
  * @return void
  */
 public function write($writer)
 {
     $writer->writeInt8(floor($this->_version))->writeInt8(($this->_version - floor($this->_version)) * 10)->writeInt8($this->_flags)->writeUInt32BE($this->_encodeSynchsafe32($this->_size));
 }

 /**
  * Writes the frame raw data without the header.
  *
  * @param Zend_Io_Writer $writer The writer object.
  * @return void
  */
 protected function _writeData($writer)
 {
     $writer->writeInt8($this->_interpolation)->writeString8($this->_device, 1);
     foreach ($this->_adjustments as $frequency => $adjustment) {
         $writer->writeUInt16BE($frequency * 2)->writeInt16BE($adjustment * 512);
     }
 }

 /**
  * Writes the frame raw data without the header.
  *
  * @param Zend_Io_Writer $writer The writer object.
  * @return void
  */
 protected function _writeData($writer)
 {
     $writer->writeString8($this->_device, 1);
     foreach ($this->_adjustments as $channel) {
         $writer->writeInt8($channel[self::channelType])->writeInt16BE($channel[self::volumeAdjustment] * 512);
         if (abs($channel[self::peakVolume]) <= 0xff) {
             $writer->writeInt8(8)->writeUInt8($channel[self::peakVolume]);
         } else {
             if (abs($channel[self::peakVolume]) <= 0xffff) {
                 $writer->writeInt8(16)->writeUInt16BE($channel[self::peakVolume]);
             } else {
                 if (abs($channel[self::peakVolume]) <= 0xffffffff) {
                     $writer->writeInt8(32)->writeUInt32BE($channel[self::peakVolume]);
                 } else {
                     $writer->writeInt8(64)->writeInt64BE($channel[self::peakVolume]);
                     // UInt64
                 }
             }
         }
     }
 }

 /**
  * Writes the frame raw data without the header.
  *
  * @param Zend_Io_Writer $writer The writer object.
  * @return void
  */
 protected function _writeData($writer)
 {
     $writer->writeInt8($flags = 0);
     if ($this->_adjustments[self::right] > 0) {
         $flags = $flags | 0x1;
     }
     if ($this->_adjustments[self::left] > 0) {
         $flags = $flags | 0x2;
     }
     $writer->writeInt8(16)->writeUInt16BE(abs($this->_adjustments[self::right]))->writeUInt16BE(abs($this->_adjustments[self::left]))->writeUInt16BE(abs($this->_adjustments[self::peakRight]))->writeUInt16BE(abs($this->_adjustments[self::peakLeft]));
     if (isset($this->_adjustments[self::rightBack]) && isset($this->_adjustments[self::leftBack]) && isset($this->_adjustments[self::peakRightBack]) && isset($this->_adjustments[self::peakLeftBack])) {
         if ($this->_adjustments[self::rightBack] > 0) {
             $flags = $flags | 0x4;
         }
         if ($this->_adjustments[self::leftBack] > 0) {
             $flags = $flags | 0x8;
         }
         $writer->writeUInt16BE(abs($this->_adjustments[self::rightBack]))->writeUInt16BE(abs($this->_adjustments[self::leftBack]))->writeUInt16BE(abs($this->_adjustments[self::peakRightBack]))->writeUInt16BE(abs($this->_adjustments[self::peakLeftBack]));
     }
     if (isset($this->_adjustments[self::center]) && isset($this->_adjustments[self::peakCenter])) {
         if ($this->_adjustments[self::center] > 0) {
             $flags = $flags | 0x10;
         }
         $writer->writeUInt16BE(abs($this->_adjustments[self::center]))->writeUInt16BE(abs($this->_adjustments[self::peakCenter]));
     }
     if (isset($this->_adjustments[self::bass]) && isset($this->_adjustments[self::peakBass])) {
         if ($this->_adjustments[self::bass] > 0) {
             $flags = $flags | 0x20;
         }
         $writer->writeUInt16BE(abs($this->_adjustments[self::bass]))->writeUInt16BE(abs($this->_adjustments[self::peakBass]));
     }
     $writer->setOffset(0);
     $writer->writeInt8($flags);
 }

 /**
  * Writes the frame raw data without the header.
  *
  * @param Zend_Io_Writer $writer The writer object.
  * @return void
  */
 protected function _writeData($writer)
 {
     $writer->writeInt8(16);
     foreach ($this->_adjustments as $frequency => $adjustment) {
         $writer->writeUInt16BE($adjustment > 0 ? $frequency | 0x8000 : $frequency & ~0x8000)->writeUInt16BE(abs($adjustment));
     }
 }