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authorFred Drake <fdrake@acm.org>1998-02-27 15:19:42 (GMT)
committerFred Drake <fdrake@acm.org>1998-02-27 15:19:42 (GMT)
commit8a13525274e388b5d11a7325e7002665551f6546 (patch)
treeea6ebefe5dba423bd11914631a9eff4c03814b14 /Doc/lib
parent4f56f2d64668b37f8b36545dee3960f10047af28 (diff)
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Updates by AMK.
Markup corrected, logical markup.
Diffstat (limited to 'Doc/lib')
-rw-r--r--Doc/lib/libarray.tex52
1 files changed, 39 insertions, 13 deletions
diff --git a/Doc/lib/libarray.tex b/Doc/lib/libarray.tex
index 7ba3954..2bcfb5d 100644
--- a/Doc/lib/libarray.tex
+++ b/Doc/lib/libarray.tex
@@ -10,7 +10,7 @@ except that the type of objects stored in them is constrained. The
type is specified at object creation time by using a \dfn{type code},
which is a single character. The following type codes are defined:
-\begin{tableiii}{|c|c|c|}{code}{Typecode}{Type}{Minimal size in bytes}
+\begin{tableiii}{|c|c|c|}{code}{Type code}{Type}{Minimum size in bytes}
\lineiii{'c'}{character}{1}
\lineiii{'b'}{signed integer}{1}
\lineiii{'B'}{unsigned integer}{1}
@@ -25,29 +25,28 @@ which is a single character. The following type codes are defined:
\end{tableiii}
The actual representation of values is determined by the machine
-architecture (strictly speaking, by the C implementation). The actual
+architecture (strictly speaking, by the \C{} implementation). The actual
size can be accessed through the \var{itemsize} attribute. The values
stored for \code{'L'} and \code{'I'} items will be represented as
Python long integers when retrieved, because Python's plain integer
-type can't represent the full range of C's unsigned (long) integers.
+type can't represent the full range of \C{}'s unsigned (long) integers.
-See also built-in module \code{struct}.
-\refbimodindex{struct}
+See also built-in module \module{struct}\refbimodindex{struct}.
The module defines the following function:
-\setindexsubitem{(in module array)}
-
\begin{funcdesc}{array}{typecode\optional{\, initializer}}
Return a new array whose items are restricted by \var{typecode}, and
initialized from the optional \var{initializer} value, which must be a
list or a string. The list or string is passed to the new array's
-\code{fromlist()} or \code{fromstring()} method (see below) to add
+\method{fromlist()} or \method{fromstring()} method (see below) to add
initial items to the array.
\end{funcdesc}
Array objects support the following data items and methods:
+\setindexsubitem{(array attribute)}
+
\begin{datadesc}{typecode}
The typecode character used to create the array.
\end{datadesc}
@@ -56,6 +55,8 @@ The typecode character used to create the array.
The length in bytes of one array item in the internal representation.
\end{datadesc}
+\setindexsubitem{(array method)}
+
\begin{funcdesc}{append}{x}
Append a new item with value \var{x} to the end of the array.
\end{funcdesc}
@@ -65,7 +66,7 @@ Return a tuple \code{(\var{address}, \var{length})} giving the current
memory address and the length in bytes of the buffer used to hold
array's contents. This is occasionally useful when working with
low-level (and inherently unsafe) I/O interfaces that require memory
-addresses, such as certain \code{ioctl} operations. The returned
+addresses, such as certain \cfunction{ioctl()} operations. The returned
numbers are valid as long as the array exists and no length-changing
operations are applied to it.
\end{funcdesc}
@@ -79,22 +80,24 @@ on a machine with a different byte order.
\begin{funcdesc}{fromfile}{f\, n}
Read \var{n} items (as machine values) from the file object \var{f}
and append them to the end of the array. If less than \var{n} items
-are available, \code{EOFError} is raised, but the items that were
+are available, \exception{EOFError} is raised, but the items that were
available are still inserted into the array. \var{f} must be a real
built-in file object; something else with a \code{read()} method won't
do.
+
+Also available as the \method{read()} method.
\end{funcdesc}
\begin{funcdesc}{fromlist}{list}
Append items from the list. This is equivalent to
-\code{for x in \var{list}:\ a.append(x)}
+\samp{for x in \var{list}:\ a.append(x)}
except that if there is a type error, the array is unchanged.
\end{funcdesc}
\begin{funcdesc}{fromstring}{s}
Appends items from the string, interpreting the string as an
array of machine values (i.e. as if it had been read from a
-file using the \code{fromfile()} method).
+file using the \method{fromfile()} method).
\end{funcdesc}
\begin{funcdesc}{insert}{i\, x}
@@ -102,8 +105,25 @@ Insert a new item with value \var{x} in the array before position
\var{i}.
\end{funcdesc}
+\begin{funcdesc}{read}{f\, n}
+Read \var{n} items (as machine values) from the file object \var{f}
+and append them to the end of the array. If less than \var{n} items
+are available, \exception{EOFError} is raised, but the items that were
+available are still inserted into the array. \var{f} must be a real
+built-in file object; something else with a \method{read()} method won't
+do.
+
+Also available as the \method{fromfile()} method.
+\end{funcdesc}
+
+\begin{funcdesc}{reverse}{}
+Reverse the order of the items in the array.
+\end{funcdesc}
+
\begin{funcdesc}{tofile}{f}
Write all items (as machine values) to the file object \var{f}.
+
+Also available as the \function{write()} function.
\end{funcdesc}
\begin{funcdesc}{tolist}{}
@@ -113,7 +133,13 @@ Convert the array to an ordinary list with the same items.
\begin{funcdesc}{tostring}{}
Convert the array to an array of machine values and return the
string representation (the same sequence of bytes that would
-be written to a file by the \code{tofile()} method.)
+be written to a file by the \method{tofile()} method.)
+\end{funcdesc}
+
+\begin{funcdesc}{write}{f}
+Write all items (as machine values) to the file object \var{f}.
+
+Also available as the \function{write()} function.
\end{funcdesc}
When an array object is printed or converted to a string, it is