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author | Fred Drake <fdrake@acm.org> | 1998-04-04 06:23:02 (GMT) |
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committer | Fred Drake <fdrake@acm.org> | 1998-04-04 06:23:02 (GMT) |
commit | 41788db3e221d8558fdfc0384be8561c95576fe2 (patch) | |
tree | 41282466082e476a36a62fb03def765055767d69 /Doc/libctb.tex | |
parent | 9b28fe285de48cf774691f9bbea080862566da7a (diff) | |
download | cpython-41788db3e221d8558fdfc0384be8561c95576fe2.zip cpython-41788db3e221d8558fdfc0384be8561c95576fe2.tar.gz cpython-41788db3e221d8558fdfc0384be8561c95576fe2.tar.bz2 |
Logical markup.
Index entries.
Diffstat (limited to 'Doc/libctb.tex')
-rw-r--r-- | Doc/libctb.tex | 107 |
1 files changed, 54 insertions, 53 deletions
diff --git a/Doc/libctb.tex b/Doc/libctb.tex index cd8c72c..de0636d 100644 --- a/Doc/libctb.tex +++ b/Doc/libctb.tex @@ -1,11 +1,13 @@ \section{Built-in Module \sectcode{ctb}} \label{module-ctb} \bimodindex{ctb} -\setindexsubitem{(in module ctb)} This module provides a partial interface to the Macintosh Communications Toolbox. Currently, only Connection Manager tools are supported. It may not be available in all Mac Python versions. +\index{Communications Toolbox, Macintosh} +\index{Macintosh Communications Toolbox} +\index{Connection Manager} \begin{datadesc}{error} The exception raised on errors. @@ -14,40 +16,41 @@ The exception raised on errors. \begin{datadesc}{cmData} \dataline{cmCntl} \dataline{cmAttn} -Flags for the \var{channel} argument of the \var{Read} and \var{Write} -methods. +Flags for the \var{channel} argument of the \method{Read()} and +\method{Write()} methods. \end{datadesc} \begin{datadesc}{cmFlagsEOM} -End-of-message flag for \var{Read} and \var{Write}. +End-of-message flag for \method{Read()} and \method{Write()}. \end{datadesc} \begin{datadesc}{choose*} -Values returned by \var{Choose}. +Values returned by \method{Choose()}. \end{datadesc} \begin{datadesc}{cmStatus*} -Bits in the status as returned by \var{Status}. +Bits in the status as returned by \method{Status()}. \end{datadesc} \begin{funcdesc}{available}{} -Return 1 if the communication toolbox is available, zero otherwise. +Return \code{1} if the Communication Toolbox is available, zero otherwise. \end{funcdesc} \begin{funcdesc}{CMNew}{name, sizes} Create a connection object using the connection tool named \var{name}. \var{sizes} is a 6-tuple given buffer sizes for data in, data out, control in, control out, attention in and attention out. -Alternatively, passing \code{None} will result in default buffer sizes. +Alternatively, passing \code{None} for \var{sizes} will result in +default buffer sizes. \end{funcdesc} \subsection{connection object} +\label{connection-object} + For all connection methods that take a \var{timeout} argument, a value of \code{-1} is indefinite, meaning that the command runs to completion. -\setindexsubitem{(connection object attribute)} - -\begin{datadesc}{callback} +\begin{memberdesc}[connection]{callback} If this member is set to a value other than \code{None} it should point to a function accepting a single argument (the connection object). This will make all connection object methods work @@ -57,94 +60,92 @@ completion. \emph{Note:} for reasons beyond my understanding the callback routine is currently never called. You are advised against using asynchronous calls for the time being. -\end{datadesc} +\end{memberdesc} -\setindexsubitem{(connection object method)} - -\begin{funcdesc}{Open}{timeout} +\begin{methoddesc}[connection]{Open}{timeout} Open an outgoing connection, waiting at most \var{timeout} seconds for the connection to be established. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{Listen}{timeout} +\begin{methoddesc}[connection]{Listen}{timeout} Wait for an incoming connection. Stop waiting after \var{timeout} seconds. This call is only meaningful to some tools. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{accept}{yesno} +\begin{methoddesc}[connection]{accept}{yesno} Accept (when \var{yesno} is non-zero) or reject an incoming call after -\var{Listen} returned. -\end{funcdesc} +\method{Listen()} returned. +\end{methoddesc} -\begin{funcdesc}{Close}{timeout, now} +\begin{methoddesc}[connection]{Close}{timeout, now} Close a connection. When \var{now} is zero, the close is orderly (i.e.\ outstanding output is flushed, etc.)\ with a timeout of \var{timeout} seconds. When \var{now} is non-zero the close is immediate, discarding output. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{Read}{len, chan, timeout} -Read \var{len} bytes, or until \var{timeout} seconds have passed, from -the channel \var{chan} (which is one of \var{cmData}, \var{cmCntl} or -\var{cmAttn}). Return a 2-tuple:\ the data read and the end-of-message -flag. -\end{funcdesc} +\begin{methoddesc}[connection]{Read}{len, chan, timeout} +Read \var{len} bytes, or until \var{timeout} seconds have passed, from +the channel \var{chan} (which is one of \constant{cmData}, +\constant{cmCntl} or \constant{cmAttn}). Return a 2-tuple:\ the data +read and the end-of-message flag, \constant{cmFlagsEOM}. +\end{methoddesc} -\begin{funcdesc}{Write}{buf, chan, timeout, eom} +\begin{methoddesc}[connection]{Write}{buf, chan, timeout, eom} Write \var{buf} to channel \var{chan}, aborting after \var{timeout} -seconds. When \var{eom} has the value \var{cmFlagsEOM} an +seconds. When \var{eom} has the value \constant{cmFlagsEOM}, an end-of-message indicator will be written after the data (if this concept has a meaning for this communication tool). The method returns the number of bytes written. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{Status}{} +\begin{methoddesc}[connection]{Status}{} Return connection status as the 2-tuple \code{(\var{sizes}, \var{flags})}. \var{sizes} is a 6-tuple giving the actual buffer sizes used -(see \var{CMNew}), \var{flags} is a set of bits describing the state +(see \function{CMNew()}), \var{flags} is a set of bits describing the state of the connection. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{GetConfig}{} +\begin{methoddesc}[connection]{GetConfig}{} Return the configuration string of the communication tool. These configuration strings are tool-dependent, but usually easily parsed and modified. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{SetConfig}{str} +\begin{methoddesc}[connection]{SetConfig}{str} Set the configuration string for the tool. The strings are parsed left-to-right, with later values taking precedence. This means individual configuration parameters can be modified by simply appending something like \code{'baud 4800'} to the end of the string returned by -\var{GetConfig} and passing that to this method. The method returns +\method{GetConfig()} and passing that to this method. The method returns the number of characters actually parsed by the tool before it encountered an error (or completed successfully). -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{Choose}{} +\begin{methoddesc}[connection]{Choose}{} Present the user with a dialog to choose a communication tool and configure it. If there is an outstanding connection some choices (like selecting a different tool) may cause the connection to be -aborted. The return value (one of the \var{choose*} constants) will +aborted. The return value (one of the \constant{choose*} constants) will indicate this. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{Idle}{} +\begin{methoddesc}[connection]{Idle}{} Give the tool a chance to use the processor. You should call this method regularly. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{Abort}{} -Abort an outstanding asynchronous \var{Open} or \var{Listen}. -\end{funcdesc} +\begin{methoddesc}[connection]{Abort}{} +Abort an outstanding asynchronous \method{Open()} or \method{Listen()}. +\end{methoddesc} -\begin{funcdesc}{Reset}{} +\begin{methoddesc}[connection]{Reset}{} Reset a connection. Exact meaning depends on the tool. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{Break}{length} +\begin{methoddesc}[connection]{Break}{length} Send a break. Whether this means anything, what it means and -interpretation of the \var{length} parameter depend on the tool in +interpretation of the \var{length} parameter depends on the tool in use. -\end{funcdesc} +\end{methoddesc} |