Block

<?xml version="1.0"?>
<block>
  <name>bfSource</name>
  <key>Bluefile_bfSource</key>
  <category>[Bluefile]</category>
  <import>import Bluefile</import>
  <make>Bluefile.bfSource($bfFilename, $bfTypes, $bfFormats, $transferLength, $bfFormats.size)</make>

  <param>
    <name>Filename</name>
    <key>bfFilename</key>
    <type>file_open</type>
  </param>
  <param>
    <name>Types</name>
    <key>bfTypes</key>
    <type>enum</type>
    <option>
      <name>1000</name>
      <key>1000</key>
    </option>
    <option>
      <name>2000</name>
      <key>2000</key>
    </option>
  </param>
  <param>
    <name>Formats</name>
    <key>bfFormats</key>
    <type>enum</type>
    <option>
      <name>Byte</name>
      <key>SB</key>
      <opt>1</opt>
    </option>
    <option>
      <name>Float</name>
      <key>SF</key>
      <opt>4</opt>
    </option>
    <option>
      <name>Complex Float</name>
      <key>CF</key>
      <opt>8</opt>
    </option>
    <option>
      <name>Complex Int</name>
      <key>CI</key>
      <opt>2</opt>
    </option>
  </param>
  <param>
    <name>Transfer Length</name>
    <key>transferLength</key>
    <value>32768</value>
    <type>int</type>
  </param>

  <source>
    <name>out</name>
    <type>$bfFormats.size</type>
  </source>
</block>