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Diffstat (limited to 'Doc/mac/libmacfs.tex')
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1 files changed, 104 insertions, 98 deletions
diff --git a/Doc/mac/libmacfs.tex b/Doc/mac/libmacfs.tex index 5373d31..6bb4bbf 100644 --- a/Doc/mac/libmacfs.tex +++ b/Doc/mac/libmacfs.tex @@ -4,75 +4,80 @@ This module provides access to Macintosh FSSpec handling, the Alias -Manager, finder aliases and the Standard File package. +Manager, \program{finder} aliases and the Standard File package. +\index{Macintosh Alias Manager} +\index{Alias Manager, Macintosh} +\index{Standard File} Whenever a function or method expects a \var{file} argument, this argument can be one of three things:\ (1) a full or partial Macintosh -pathname, (2) an FSSpec object or (3) a 3-tuple \code{(\var{wdRefNum}, -\var{parID}, \var{name})} as described in \emph{Inside Macintosh -VI}\@. A description of aliases and the standard file package can also -be found there. +pathname, (2) an \pytype{FSSpec} object or (3) a 3-tuple \code{(\var{wdRefNum}, +\var{parID}, \var{name})} as described in \emph{Inside +Macintosh:\ Files}\@. A description of aliases and the Standard File +package can also be found there. \begin{funcdesc}{FSSpec}{file} -Create an FSSpec object for the specified file. +Create an \pytype{FSSpec} object for the specified file. \end{funcdesc} \begin{funcdesc}{RawFSSpec}{data} -Create an FSSpec object given the raw data for the C structure for the -FSSpec as a string. This is mainly useful if you have obtained an -FSSpec structure over a network. +Create an \pytype{FSSpec} object given the raw data for the \C{} +structure for the \pytype{FSSpec} as a string. This is mainly useful +if you have obtained an \pytype{FSSpec} structure over a network. \end{funcdesc} \begin{funcdesc}{RawAlias}{data} -Create an Alias object given the raw data for the C structure for the -alias as a string. This is mainly useful if you have obtained an -FSSpec structure over a network. +Create an \pytype{Alias} object given the raw data for the \C{} +structure for the alias as a string. This is mainly useful if you +have obtained an \pytype{FSSpec} structure over a network. \end{funcdesc} \begin{funcdesc}{FInfo}{} -Create a zero-filled FInfo object. +Create a zero-filled \pytype{FInfo} object. \end{funcdesc} \begin{funcdesc}{ResolveAliasFile}{file} -Resolve an alias file. Returns a 3-tuple \code{(\var{fsspec}, \var{isfolder}, -\var{aliased})} where \var{fsspec} is the resulting FSSpec object, -\var{isfolder} is true if \var{fsspec} points to a folder and -\var{aliased} is true if the file was an alias in the first place -(otherwise the FSSpec object for the file itself is returned). +Resolve an alias file. Returns a 3-tuple \code{(\var{fsspec}, +\var{isfolder}, \var{aliased})} where \var{fsspec} is the resulting +\pytype{FSSpec} object, \var{isfolder} is true if \var{fsspec} points +to a folder and \var{aliased} is true if the file was an alias in the +first place (otherwise the \pytype{FSSpec} object for the file itself +is returned). \end{funcdesc} \begin{funcdesc}{StandardGetFile}{\optional{type, ...}} Present the user with a standard ``open input file'' -dialog. Optionally, you can pass up to four 4-char file types to limit -the files the user can choose from. The function returns an FSSpec +dialog. Optionally, you can pass up to four 4-character file types to limit +the files the user can choose from. The function returns an \pytype{FSSpec} object and a flag indicating that the user completed the dialog without cancelling. \end{funcdesc} \begin{funcdesc}{PromptGetFile}{prompt\optional{, type, ...}} -Similar to \var{StandardGetFile} but allows you to specify a prompt. +Similar to \function{StandardGetFile()} but allows you to specify a +prompt. \end{funcdesc} \begin{funcdesc}{StandardPutFile}{prompt, \optional{default}} Present the user with a standard ``open output file'' dialog. \var{prompt} is the prompt string, and the optional \var{default} argument initializes the output file name. The function -returns an FSSpec object and a flag indicating that the user completed -the dialog without cancelling. +returns an \pytype{FSSpec} object and a flag indicating that the user +completed the dialog without cancelling. \end{funcdesc} \begin{funcdesc}{GetDirectory}{\optional{prompt}} Present the user with a non-standard ``select a directory'' dialog. \var{prompt} is the prompt string, and the optional. -Return an FSSpec object and a success-indicator. +Return an \pytype{FSSpec} object and a success-indicator. \end{funcdesc} \begin{funcdesc}{SetFolder}{\optional{fsspec}} Set the folder that is initially presented to the user when one of -the file selection dialogs is presented. \var{Fsspec} should point to +the file selection dialogs is presented. \var{fsspec} should point to a file in the folder, not the folder itself (the file need not exist, though). If no argument is passed the folder will be set to the -current directory, i.e. what \code{os.getcwd()} returns. +current directory, i.e. what \function{os.getcwd()} returns. Note that starting with system 7.5 the user can change Standard File behaviour with the ``general controls'' controlpanel, thereby making @@ -81,16 +86,16 @@ this call inoperative. \begin{funcdesc}{FindFolder}{where, which, create} Locates one of the ``special'' folders that MacOS knows about, such as -the trash or the Preferences folder. \var{Where} is the disk to -search, \var{which} is the 4-char string specifying which folder to +the trash or the Preferences folder. \var{where} is the disk to +search, \var{which} is the 4-character string specifying which folder to locate. Setting \var{create} causes the folder to be created if it -does not exist. Returns a \code{(vrefnum, dirid)} tuple. +does not exist. Returns a \code{(\var{vrefnum}, \var{dirid})} tuple. \end{funcdesc} \begin{funcdesc}{NewAliasMinimalFromFullPath}{pathname} -Return a minimal alias record object that points to the given file, which +Return a minimal \pytype{alias} object that points to the given file, which must be specified as a full pathname. This is the only way to create an -alias record pointing to a non-existing file. +\pytype{Alias} pointing to a non-existing file. The constants for \var{where} and \var{which} can be obtained from the standard module \var{MACFS}. @@ -98,122 +103,123 @@ standard module \var{MACFS}. \begin{funcdesc}{FindApplication}{creator} Locate the application with 4-char creator code \var{creator}. The -function returns an FSSpec object pointing to the application. +function returns an \pytype{FSSpec} object pointing to the application. \end{funcdesc} \subsection{FSSpec objects} +\label{fsspec-objects} -\setindexsubitem{(FSSpec object attribute)} -\begin{datadesc}{data} +\begin{memberdesc}[FSSpec]{data} The raw data from the FSSpec object, suitable for passing to other applications, for instance. -\end{datadesc} +\end{memberdesc} \setindexsubitem{(FSSpec object method)} -\begin{funcdesc}{as_pathname}{} -Return the full pathname of the file described by the FSSpec object. -\end{funcdesc} +\begin{methoddesc}[FSSpec]{as_pathname}{} +Return the full pathname of the file described by the \pytype{FSSpec} +object. +\end{methoddesc} -\begin{funcdesc}{as_tuple}{} -Return the \code{(\var{wdRefNum}, \var{parID}, \var{name})} tuple of the file described -by the FSSpec object. -\end{funcdesc} +\begin{methoddesc}[FSSpec]{as_tuple}{} +Return the \code{(\var{wdRefNum}, \var{parID}, \var{name})} tuple of +the file described by the \pytype{FSSpec} object. +\end{methoddesc} -\begin{funcdesc}{NewAlias}{\optional{file}} +\begin{methoddesc}[FSSpec]{NewAlias}{\optional{file}} Create an Alias object pointing to the file described by this FSSpec. If the optional \var{file} parameter is present the alias will be relative to that file, otherwise it will be absolute. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{NewAliasMinimal}{} +\begin{methoddesc}[FSSpec]{NewAliasMinimal}{} Create a minimal alias pointing to this file. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{GetCreatorType}{} -Return the 4-char creator and type of the file. -\end{funcdesc} +\begin{methoddesc}[FSSpec]{GetCreatorType}{} +Return the 4-character creator and type of the file. +\end{methoddesc} -\begin{funcdesc}{SetCreatorType}{creator, type} -Set the 4-char creator and type of the file. -\end{funcdesc} +\begin{methoddesc}[FSSpec]{SetCreatorType}{creator, type} +Set the 4-character creator and type of the file. +\end{methoddesc} -\begin{funcdesc}{GetFInfo}{} -Return a FInfo object describing the finder info for the file. -\end{funcdesc} +\begin{methoddesc}[FSSpec]{GetFInfo}{} +Return a \pytype{FInfo} object describing the finder info for the file. +\end{methoddesc} -\begin{funcdesc}{SetFInfo}{finfo} -Set the finder info for the file to the values specified in the -\var{finfo} object. -\end{funcdesc} +\begin{methoddesc}[FSSpec]{SetFInfo}{finfo} +Set the finder info for the file to the values given as \var{finfo} +(an \pytype{FInfo} object). +\end{methoddesc} -\begin{funcdesc}{GetDates}{} +\begin{methoddesc}[FSSpec]{GetDates}{} Return a tuple with three floating point values representing the creation date, modification date and backup date of the file. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{SetDates}{crdate, moddate, backupdate} +\begin{methoddesc}[FSSpec]{SetDates}{crdate, moddate, backupdate} Set the creation, modification and backup date of the file. The values are in the standard floating point format used for times throughout Python. -\end{funcdesc} +\end{methoddesc} + -\subsection{alias objects} +\subsection{Alias Objects} +\label{alias-objects} -\setindexsubitem{(alias object attribute)} -\begin{datadesc}{data} +\begin{memberdesc}[Alias]{data} The raw data for the Alias record, suitable for storing in a resource or transmitting to other programs. -\end{datadesc} +\end{memberdesc} -\setindexsubitem{(alias object method)} -\begin{funcdesc}{Resolve}{\optional{file}} +\begin{methoddesc}[Alias]{Resolve}{\optional{file}} Resolve the alias. If the alias was created as a relative alias you should pass the file relative to which it is. Return the FSSpec for -the file pointed to and a flag indicating whether the alias object +the file pointed to and a flag indicating whether the \pytype{Alias} object itself was modified during the search process. If the file does not exist but the path leading up to it does exist a valid fsspec is returned. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{GetInfo}{num} -An interface to the C routine \code{GetAliasInfo()}. -\end{funcdesc} +\begin{methoddesc}[Alias]{GetInfo}{num} +An interface to the \C{} routine \cfunction{GetAliasInfo()}. +\end{methoddesc} -\begin{funcdesc}{Update}{file, \optional{file2}} +\begin{methoddesc}[Alias]{Update}{file, \optional{file2}} Update the alias to point to the \var{file} given. If \var{file2} is present a relative alias will be created. -\end{funcdesc} +\end{methoddesc} -Note that it is currently not possible to directly manipulate a resource -as an alias object. Hence, after calling \var{Update} or after -\var{Resolve} indicates that the alias has changed the Python program -is responsible for getting the \var{data} from the alias object and -modifying the resource. +Note that it is currently not possible to directly manipulate a +resource as an \pytype{Alias} object. Hence, after calling +\method{Update()} or after \method{Resolve()} indicates that the alias +has changed the Python program is responsible for getting the +\var{data} from the \pytype{Alias} object and modifying the resource. -\subsection{FInfo objects} +\subsection{FInfo Objects} +\label{finfo-objects} -See Inside Mac for a complete description of what the various fields -mean. +See \emph{Inside Macintosh: Files} for a complete description of what +the various fields mean. -\setindexsubitem{(FInfo object attribute)} -\begin{datadesc}{Creator} -The 4-char creator code of the file. -\end{datadesc} +\begin{memberdesc}[FInfo]{Creator} +The 4-character creator code of the file. +\end{memberdesc} -\begin{datadesc}{Type} -The 4-char type code of the file. -\end{datadesc} +\begin{memberdesc}[FInfo]{Type} +The 4-character type code of the file. +\end{memberdesc} -\begin{datadesc}{Flags} +\begin{memberdesc}[FInfo]{Flags} The finder flags for the file as 16-bit integer. The bit values in -\var{Flags} are defined in standard module \var{MACFS}. -\end{datadesc} +\var{Flags} are defined in standard module \module{MACFS}. +\end{memberdesc} -\begin{datadesc}{Location} +\begin{memberdesc}[FInfo]{Location} A Point giving the position of the file's icon in its folder. -\end{datadesc} +\end{memberdesc} -\begin{datadesc}{Fldr} +\begin{memberdesc}[FInfo]{Fldr} The folder the file is in (as an integer). -\end{datadesc} +\end{memberdesc} |