Documentation/Source/eric5.DebugClients.Ruby.AsyncFile.html

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<h1>eric5.DebugClients.Ruby.AsyncFile</h1>
<p>
File implementing an asynchronous file like socket interface for the debugger.
</p>
<h3>Global Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Classes</h3>
<table>
<tr>
<td><a href="#AsyncFile">AsyncFile</a></td>
<td>Class wrapping a socket object with a file interface.</td>
</tr>
</table>
<h3>Modules</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Functions</h3>
<table>
<tr>
<td><a href="#<<"><<</a></td>
<td>Synonym for write(s).</td>
</tr><tr>
<td><a href="#AsyncPendingWrite">AsyncPendingWrite</a></td>
<td>Module function to check for data to be written.</td>
</tr><tr>
<td><a href="#close">close</a></td>
<td>Public method to close the file.</td>
</tr><tr>
<td><a href="#fileno">fileno</a></td>
<td>Public method returning the file number.</td>
</tr><tr>
<td><a href="#flush">flush</a></td>
<td>Public method to write all pending bytes.</td>
</tr><tr>
<td><a href="#getSock">getSock</a></td>
<td>Public method to get the socket object.</td>
</tr><tr>
<td><a href="#isatty">isatty</a></td>
<td>Public method to indicate whether a tty interface is supported.</td>
</tr><tr>
<td><a href="#pendingWrite">pendingWrite</a></td>
<td>Public method that returns the number of bytes waiting to be written.</td>
</tr><tr>
<td><a href="#read">read</a></td>
<td>Public method to read bytes from this file.</td>
</tr><tr>
<td><a href="#readline">readline</a></td>
<td>Public method to read a line from this file.</td>
</tr><tr>
<td><a href="#readlines">readlines</a></td>
<td>Public method to read all lines from this file.</td>
</tr><tr>
<td><a href="#seek">seek</a></td>
<td>Public method to move the filepointer.</td>
</tr><tr>
<td><a href="#tell">tell</a></td>
<td>Public method to get the filepointer position.</td>
</tr><tr>
<td><a href="#write">write</a></td>
<td>Public method to write a string to the file.</td>
</tr><tr>
<td><a href="#writelines">writelines</a></td>
<td>Public method to write a list of strings to the file.</td>
</tr>
</table>
<hr /><hr />
<a NAME="AsyncFile" ID="AsyncFile"></a>
<h2>AsyncFile</h2>
<p>
Class wrapping a socket object with a file interface.
</p>
<h3>Derived from</h3>
None
<h3>Class Attributes</h3>
<table>
<tr><td>@@maxbuffersize</td></tr><tr><td>@@maxtries</td></tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#AsyncFile.checkMode">checkMode</a></td>
<td>Private method to check the mode.</td>
</tr><tr>
<td><a href="#AsyncFile.initialize">initialize</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#AsyncFile.nWrite">nWrite</a></td>
<td>Private method to write a specific number of pending bytes.</td>
</tr>
</table>
<a NAME="AsyncFile.checkMode" ID="AsyncFile.checkMode"></a>
<h4>AsyncFile.checkMode</h4>
<b>checkMode</b>(<i></i>)
<p>
Private method to check the mode.
</p><p>
This method checks, if an operation is permitted according to
the mode of the file. If it is not, an IOError is raised.
</p><dl>
<dt><i>mode</i></dt>
<dd>
the mode to be checked (string)
</dd>
</dl><a NAME="AsyncFile.initialize" ID="AsyncFile.initialize"></a>
<h4>AsyncFile.initialize</h4>
<b>initialize</b>(<i>mode, name</i>)
<p>
Constructor
</p><dl>
<dt><i>sock</i></dt>
<dd>
the socket object being wrapped
</dd><dt><i>mode</i></dt>
<dd>
mode of this file (string)
</dd><dt><i>name</i></dt>
<dd>
name of this file (string)
</dd>
</dl><a NAME="AsyncFile.nWrite" ID="AsyncFile.nWrite"></a>
<h4>AsyncFile.nWrite</h4>
<b>nWrite</b>(<i></i>)
<p>
Private method to write a specific number of pending bytes.
</p><dl>
<dt><i>n</i></dt>
<dd>
the number of bytes to be written (int)
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="<<" ID="<<"></a>
<h2><<</h2>
<b><<</b>(<i>s</i>)
<p>
Synonym for write(s).
</p><dl>
<dt><i>s</i></dt>
<dd>
bytes to be written (string)
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="AsyncPendingWrite" ID="AsyncPendingWrite"></a>
<h2>AsyncPendingWrite</h2>
<b>AsyncPendingWrite</b>(<i>file</i>)
<p>
Module function to check for data to be written.
</p><dl>
<dt><i>file</i></dt>
<dd>
The file object to be checked (file)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
Flag indicating if there is data wating (int)
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="close" ID="close"></a>
<h2>close</h2>
<b>close</b>(<i></i>)
<p>
Public method to close the file.
</p>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="fileno" ID="fileno"></a>
<h2>fileno</h2>
<b>fileno</b>(<i></i>)
<p>
Public method returning the file number.
</p><dl>
<dt>Returns:</dt>
<dd>
file number (int)
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="flush" ID="flush"></a>
<h2>flush</h2>
<b>flush</b>(<i></i>)
<p>
Public method to write all pending bytes.
</p>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="getSock" ID="getSock"></a>
<h2>getSock</h2>
<b>getSock</b>(<i></i>)
<p>
Public method to get the socket object.
</p><dl>
<dt>Returns:</dt>
<dd>
the socket object
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="isatty" ID="isatty"></a>
<h2>isatty</h2>
<b>isatty</b>(<i></i>)
<p>
Public method to indicate whether a tty interface is supported.
</p><dl>
<dt>Returns:</dt>
<dd>
always false
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="pendingWrite" ID="pendingWrite"></a>
<h2>pendingWrite</h2>
<b>pendingWrite</b>(<i></i>)
<p>
Public method that returns the number of bytes waiting to be written.
</p><dl>
<dt>Returns:</dt>
<dd>
the number of bytes to be written (int)
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="read" ID="read"></a>
<h2>read</h2>
<b>read</b>(<i>size = -1</i>)
<p>
Public method to read bytes from this file.
</p><dl>
<dt><i>size</i></dt>
<dd>
maximum number of bytes to be read (int)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
the bytes read (any)
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="readline" ID="readline"></a>
<h2>readline</h2>
<b>readline</b>(<i>size = -1</i>)
<p>
Public method to read a line from this file.
</p><p>
<b>Note</b>: This method will not block and may return
only a part of a line if that is all that is available.
</p><dl>
<dt><i>size</i></dt>
<dd>
maximum number of bytes to be read (int)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
one line of text up to size bytes (string)
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="readlines" ID="readlines"></a>
<h2>readlines</h2>
<b>readlines</b>(<i>sizehint = -1</i>)
<p>
Public method to read all lines from this file.
</p><dl>
<dt><i>sizehint</i></dt>
<dd>
hint of the numbers of bytes to be read (int)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
list of lines read (list of strings)
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="seek" ID="seek"></a>
<h2>seek</h2>
<b>seek</b>(<i>offset, whence=IO::SEEK_SET</i>)
<p>
Public method to move the filepointer.
</p><dl>
<dt>Raises <b>IOError</b>:</dt>
<dd>
This method is not supported and always raises an
       IOError.
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="tell" ID="tell"></a>
<h2>tell</h2>
<b>tell</b>(<i></i>)
<p>
Public method to get the filepointer position.
</p><dl>
<dt>Raises <b>IOError</b>:</dt>
<dd>
This method is not supported and always raises an
      IOError.
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="write" ID="write"></a>
<h2>write</h2>
<b>write</b>(<i>s</i>)
<p>
Public method to write a string to the file.
</p><dl>
<dt><i>s</i></dt>
<dd>
bytes to be written (string)
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="writelines" ID="writelines"></a>
<h2>writelines</h2>
<b>writelines</b>(<i>list</i>)
<p>
Public method to write a list of strings to the file.
</p><dl>
<dt><i>list</i></dt>
<dd>
the list to be written (list of string)
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
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