X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/93fa67c0e6124d2657488971800c8fd068dc0d0e..4179da8a81ee3110e2a8b5615e1a4f8c8b75a16b:/docs/latex/wx/filename.tex diff --git a/docs/latex/wx/filename.tex b/docs/latex/wx/filename.tex index 8b2e26f54d..ccffbd00cc 100644 --- a/docs/latex/wx/filename.tex +++ b/docs/latex/wx/filename.tex @@ -6,7 +6,7 @@ %% Created: 30.11.01 %% RCS-ID: $Id$ %% Copyright: (c) 2001 Vadim Zeitlin -%% License: wxWindows license +%% License: wxWidgets license %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \section{\class{wxFileName}}\label{wxfilename} @@ -14,7 +14,7 @@ wxFileName encapsulates a file name. This class serves two purposes: first, it provides the functions to split the file names into components and to recombine these components in the full file name which can then be passed to the OS file -functions (and \helpref{wxWindows functions}{filefunctions} wrapping them). +functions (and \helpref{wxWidgets functions}{filefunctions} wrapping them). Second, it includes the functions for working with the files itself. Note that to change the file data you should use \helpref{wxFile}{wxfile} class instead. wxFileName provides functions for working with the file attributes. @@ -23,6 +23,10 @@ wxFileName provides functions for working with the file attributes. No base class +\wxheading{Include files} + + + \wxheading{Data structures} Many wxFileName methods accept the path format argument which is by\rtfsp @@ -51,7 +55,8 @@ enum wxPathFormat \latexignore{\rtfignore{\wxheading{Function groups}}} -\membersection{File name format} + +\membersection{File name format}\label{filenameformat} wxFileName currently supports the file names in the Unix, DOS/Windows, Mac OS and VMS formats. Although these formats are quite different, wxFileName tries @@ -72,7 +77,7 @@ The rules for determining if the file name is absolute or relative also depends on the file name format and the only portable way to answer to this question is to use \helpref{IsAbsolute}{wxfilenameisabsolute} method. To ensure that the filename is absolute you may use \helpref{MakeAbsolute}{wxfilenamemakeabsolute}. -There is also an inverse function +There is also an inverse function \helpref{MakeRelativeTo}{wxfilenamemakerelativeto} which undoes what \helpref{Normalize(wxPATH\_NORM\_DOTS)}{wxfilenamenormalize} does. @@ -82,11 +87,13 @@ class are \helpref{GetVolumeSeparator}{wxfilenamegetvolumeseparator},\rtfsp \helpref{IsRelative}{wxfilenameisrelative} -\membersection{File name construction} + +\membersection{File name construction}\label{filenameconstruction} TODO. -\membersection{File tests} + +\membersection{File tests}\label{filetests} Before doing the other tests you should use \helpref{IsOk}{wxfilenameisok} to verify that the filename is well defined. If it is, @@ -97,7 +104,8 @@ with this name exists. File names should be compared using \helpref{SameAs}{wxfilenamesameas} method or \helpref{$==$}{wxfilenameoperatorequal}. -\membersection{File name components} + +\membersection{File name components}\label{filenamecomponents} These functions allow to examine and modify the directories of the path: @@ -120,7 +128,8 @@ following functions: \helpref{SetName}{wxfilenamesetname}\\ \helpref{SetVolume}{wxfilenamesetvolume}\\ -\membersection{Operations} + +\membersection{Operations}\label{filenameoperations} These methods allow to work with the file creation, access and modification times. Note that not all filesystems under all platforms implement these times @@ -140,6 +149,7 @@ Other file system operations functions are: \latexignore{\rtfignore{\wxheading{Members}}} + \membersection{wxFileName::wxFileName}\label{wxfilenamewxfilename} \func{}{wxFileName}{\void} @@ -168,11 +178,16 @@ Constructor from a directory name, base file name and extension. Constructor from a volume name, a directory name, base file name and extension. + \membersection{wxFileName::AppendDir}\label{wxfilenameappenddir} \func{void}{AppendDir}{\param{const wxString\& }{dir}} -Appends a directory to the path. +Appends a directory component to the path. This component should contain a +single directory name level, i.e. not contain any path or volume separators nor +should it be empty, otherwise the function does nothing (and generates an +assert failure in debug build). + \membersection{wxFileName::Assign}\label{wxfilenameassign} @@ -188,6 +203,7 @@ Appends a directory to the path. Creates the file name from various combinations of data. + \membersection{wxFileName::AssignCwd}\label{wxfilenameassigncwd} \func{static void}{AssignCwd}{\param{const wxString\& }{volume = wxEmptyString}} @@ -199,6 +215,7 @@ volume (or current volume if {\it volume} is empty). \helpref{GetCwd}{wxfilenamegetcwd} + \membersection{wxFileName::AssignDir}\label{wxfilenameassigndir} \func{void}{AssignDir}{\param{const wxString\& }{dir}, \param{wxPathFormat }{format = wxPATH\_NATIVE}} @@ -206,12 +223,14 @@ volume (or current volume if {\it volume} is empty). Sets this file name object to the given directory name. The name and extension will be empty. + \membersection{wxFileName::AssignHomeDir}\label{wxfilenameassignhomedir} \func{void}{AssignHomeDir}{\void} Sets this file name object to the home directory. + \membersection{wxFileName::AssignTempFileName}\label{wxfilenameassigntempfilename} \func{void}{AssignTempFileName}{\param{const wxString\& }{prefix}, \param{wxFile *}{fileTemp = {\tt NULL}}} @@ -221,12 +240,14 @@ create a temporary file and sets this object to the name of the file. If a temporary file couldn't be created, the object is put into the\rtfsp \helpref{invalid}{wxfilenameisok} state. + \membersection{wxFileName::Clear}\label{wxfilenameclear} \func{void}{Clear}{\void} Reset all components to default, uninitialized state. + \membersection{wxFileName::CreateTempFileName}\label{wxfilenamecreatetempfilename} \func{static wxString}{CreateTempFileName}{\param{const wxString\& }{prefix}, \param{wxFile *}{fileTemp = {\tt NULL}}} @@ -256,6 +277,7 @@ owner only to minimize the security problems. The full temporary file name or an empty string on error. + \membersection{wxFileName::DirExists}\label{wxfilenamedirexists} \constfunc{bool}{DirExists}{\void} @@ -264,6 +286,7 @@ The full temporary file name or an empty string on error. Returns {\tt true} if the directory with this name exists. + \membersection{wxFileName::DirName}\label{wxfilenamedirname} \func{static wxFileName}{DirName}{\param{const wxString\& }{dir}, \param{wxPathFormat }{format = wxPATH\_NATIVE}} @@ -272,6 +295,7 @@ Returns the object corresponding to the directory with the given name. The {\it dir} parameter may have trailing path separator or not. + \membersection{wxFileName::FileExists}\label{wxfilenamefileexists} \constfunc{bool}{FileExists}{\void} @@ -285,6 +309,7 @@ Returns {\tt true} if the file with this name exists. \helpref{DirExists}{wxfilenamedirexists} + \membersection{wxFileName::FileName}\label{wxfilenamefilename} \func{static wxFileName}{FileName}{\param{const wxString\& }{file}, \param{wxPathFormat }{format = wxPATH\_NATIVE}} @@ -293,6 +318,7 @@ Returns the file name object corresponding to the given {\it file}. This function exists mainly for symmetry with \helpref{DirName}{wxfilenamedirname}. + \membersection{wxFileName::GetCwd}\label{wxfilenamegetcwd} \func{static wxString}{GetCwd}{\param{const wxString\& }{volume = ""}} @@ -310,72 +336,84 @@ error. \helpref{AssignCwd}{wxfilenameassigncwd} + \membersection{wxFileName::GetDirCount}\label{wxfilenamegetdircount} \constfunc{size\_t}{GetDirCount}{\void} Returns the number of directories in the file name. + \membersection{wxFileName::GetDirs}\label{wxfilenamegetdirs} \constfunc{const wxArrayString\&}{GetDirs}{\void} Returns the directories in string array form. + \membersection{wxFileName::GetExt}\label{wxfilenamegetext} \constfunc{wxString}{GetExt}{\void} Returns the file name extension. + \membersection{wxFileName::GetForbiddenChars}\label{wxfilenamegetforbiddenchars} \func{static wxString}{GetForbiddenChars}{\param{wxPathFormat }{format = wxPATH\_NATIVE}} Returns the characters that can't be used in filenames and directory names for the specified format. + \membersection{wxFileName::GetFormat}\label{wxfilenamegetformat} \func{static wxPathFormat}{GetFormat}{\param{wxPathFormat }{format = wxPATH\_NATIVE}} Returns the canonical path format for this platform. + \membersection{wxFileName::GetFullName}\label{wxfilenamegetfullname} \constfunc{wxString}{GetFullName}{\void} Returns the full name (including extension but excluding directories). + \membersection{wxFileName::GetFullPath}\label{wxfilenamegetfullpath} \constfunc{wxString}{GetFullPath}{\param{wxPathFormat }{format = wxPATH\_NATIVE}} Returns the full path with name and extension. + \membersection{wxFileName::GetHomeDir}\label{wxfilenamegethomedir} \func{static wxString}{GetHomeDir}{\void} Returns the home directory. + \membersection{wxFileName::GetLongPath}\label{wxfilenamegetlongpath} \constfunc{wxString}{GetLongPath}{\void} Return the long form of the path (returns identity on non-Windows platforms) + \membersection{wxFileName::GetModificationTime}\label{wxfilenamegetmodificationtime} \constfunc{wxDateTime}{GetModificationTime}{\void} Returns the last time the file was last modified. + \membersection{wxFileName::GetName}\label{wxfilenamegetname} \constfunc{wxString}{GetName}{\void} Returns the name part of the filename. + \membersection{wxFileName::GetPath}\label{wxfilenamegetpath} \constfunc{wxString}{GetPath}{\param{int }{flags = {\tt wxPATH\_GET\_VOLUME}}, \param{wxPathFormat }{format = wxPATH\_NATIVE}} @@ -393,6 +431,7 @@ separator, if this flag is not given there will be no separator at the end of the path.} \end{twocollist} + \membersection{wxFileName::GetPathSeparator}\label{wxfilenamegetpathseparator} \func{static wxChar}{GetPathSeparator}{\param{wxPathFormat }{format = wxPATH\_NATIVE}} @@ -406,6 +445,7 @@ method. \helpref{GetPathSeparators}{wxfilenamegetpathseparators} + \membersection{wxFileName::GetPathSeparators}\label{wxfilenamegetpathseparators} \func{static wxString}{GetPathSeparators}{\param{wxPathFormat }{format = wxPATH\_NATIVE}} @@ -419,12 +459,23 @@ separators. \helpref{GetPathSeparator}{wxfilenamegetpathseparator} + +\membersection{wxFileName::GetPathTerminators}\label{wxfilenamegetpathterminators} + +\func{static wxString}{GetPathTerminators}{\param{wxPathFormat }{format = wxPATH\_NATIVE}} + +Returns the string of characters which may terminate the path part. This is the +same as \helpref{GetPathSeparators}{wxfilenamegetpathseparators} except for VMS +path format where $]$ is used at the end of the path part. + + \membersection{wxFileName::GetShortPath}\label{wxfilenamegetshortpath} \constfunc{wxString}{GetShortPath}{\void} Return the short form of the path (returns identity on non-Windows platforms). + \membersection{wxFileName::GetTimes}\label{wxfilenamegettimes} \constfunc{bool}{GetTimes}{\param{wxDateTime* }{dtAccess}, \param{wxDateTime* }{dtMod}, \param{wxDateTime* }{dtCreate}} @@ -444,43 +495,51 @@ needed. {\tt true} on success, {\tt false} if we failed to retrieve the times. + \membersection{wxFileName::GetVolume}\label{wxfilenamegetvolume} \constfunc{wxString}{GetVolume}{\void} -Returns the string containing the volume for this file name, mepty if it +Returns the string containing the volume for this file name, empty if it doesn't have one or if the file system doesn't support volumes at all (for example, Unix). + \membersection{wxFileName::GetVolumeSeparator}\label{wxfilenamegetvolumeseparator} \func{static wxString}{GetVolumeSeparator}{\param{wxPathFormat }{format = wxPATH\_NATIVE}} Returns the string separating the volume from the path for this format. + \membersection{wxFileName::HasExt}\label{wxfilenamehasext} \constfunc{bool}{HasExt}{\void} Returns {\tt true} if an extension is present. + \membersection{wxFileName::HasName}\label{wxfilenamehasname} \constfunc{bool}{HasName}{\void} Returns {\tt true} if a name is present. + \membersection{wxFileName::HasVolume}\label{wxfilenamehasvolume} \constfunc{bool}{HasVolume}{\void} Returns {\tt true} if a volume specifier is present. + \membersection{wxFileName::InsertDir}\label{wxfilenameinsertdir} \func{void}{InsertDir}{\param{int }{before}, \param{const wxString\& }{dir}} -Inserts a directory before the zero-based position in the directory list. +Inserts a directory component before the zero-based position in the directory +list. Please see \helpref{AppendDir}{wxfilenameappenddir} for important notes. + \membersection{wxFileName::IsAbsolute}\label{wxfilenameisabsolute} @@ -488,12 +547,14 @@ Inserts a directory before the zero-based position in the directory list. Returns {\tt true} if this filename is absolute. + \membersection{wxFileName::IsCaseSensitive}\label{wxfilenameiscasesensitive} \func{static bool}{IsCaseSensitive}{\param{wxPathFormat }{format = wxPATH\_NATIVE}} Returns {\tt true} if the file names of this type are case-sensitive. + \membersection{wxFileName::IsOk}\label{wxfilenameisok} \constfunc{bool}{IsOk}{\void} @@ -503,18 +564,21 @@ initialized yet. The assignment functions and \helpref{Clear}{wxfilenameclear} may reset the object to the uninitialized, invalid state (the former only do it on failure). + \membersection{wxFileName::IsPathSeparator}\label{wxfilenameispathseparator} \func{static bool}{IsPathSeparator}{\param{wxChar }{ch}, \param{wxPathFormat }{format = wxPATH\_NATIVE}} Returns {\tt true} if the char is a path separator for this format. + \membersection{wxFileName::IsRelative}\label{wxfilenameisrelative} \func{bool}{IsRelative}{\param{wxPathFormat }{format = wxPATH\_NATIVE}} Returns {\tt true} if this filename is not absolute. + \membersection{wxFileName::IsDir}\label{wxfilenameisdir} \constfunc{bool}{IsDir}{\void} @@ -525,6 +589,24 @@ directory or file really exists, you should use \helpref{DirExists}{wxfilenamedirexists} or \helpref{FileExists}{wxfilenamefileexists} for this. +\membersection{wxFileName::MacFindDefaultTypeAndCreator}\label{wxfilenamemacfinddefaulttypeandcreator} + +\func{static bool}{MacFindDefaultTypeAndCreator}{\param{const wxString\& }{ext}, \param{wxUint32* }{type}, \param{wxUint32* }{creator}} + +On Mac OS, gets the common type and creator for the given extension. + +\membersection{wxFileName::MacRegisterDefaultTypeAndCreator}\label{wxfilenamemacregisterdefaulttypeandcreator} + +\func{static void}{MacRegisterDefaultTypeAndCreator}{\param{const wxString\& }{ext}, \param{wxUint32 }{type}, \param{wxUint32 }{creator}} + +On Mac OS, registers application defined extensions and their default type and creator. + +\membersection{wxFileName::MacSetDefaultTypeAndCreator}\label{wxfilenamemacsetdefaulttypeandcreator} + +\func{bool}{MacSetDefaultTypeAndCreator}{\void} + +On Mac OS, looks up the appropriate type and creator from the registration and then sets it. + \membersection{wxFileName::MakeAbsolute}\label{wxfilenamemakeabsolute} \func{bool}{MakeAbsolute}{\param{const wxString\& }{cwd = wxEmptyString}, \param{wxPathFormat }{format = wxPATH\_NATIVE}} @@ -538,6 +620,7 @@ Make the file name absolute. This is a shortcut for \helpref{Normalize}{wxfilenamenormalize}, \helpref{IsAbsolute}{wxfilenameisabsolute} + \membersection{wxFileName::MakeRelativeTo}\label{wxfilenamemakerelativeto} \func{bool}{MakeRelativeTo}{\param{const wxString\& }{pathBase = wxEmptyString}, \param{wxPathFormat }{format = wxPATH\_NATIVE}} @@ -561,6 +644,7 @@ different from the volume specified by {\it pathBase}). \helpref{Normalize}{wxfilenamenormalize} + \membersection{wxFileName::Mkdir}\label{wxfilenamemkdir} \func{bool}{Mkdir}{\param{int }{perm = 0777}, \param{int }{flags = $0$}} @@ -580,6 +664,7 @@ if the target directory already exists.} Returns {\tt true} if the directory was successfully created, {\tt false} otherwise. + \membersection{wxFileName::Normalize}\label{wxfilenamenormalize} \func{bool}{Normalize}{\param{int }{flags = wxPATH\_NORM\_ALL}, \param{const wxString\& }{cwd = wxEmptyString}, \param{wxPathFormat }{format = wxPATH\_NATIVE}} @@ -590,27 +675,33 @@ variables will be expanded in it. \docparam{flags}{The kind of normalization to do with the file name. It can be any or-combination of the following constants: + \begin{twocollist} \twocolitem{{\bf wxPATH\_NORM\_ENV\_VARS}}{replace env vars with their values} \twocolitem{{\bf wxPATH\_NORM\_DOTS}}{squeeze all .. and . and prepend cwd} \twocolitem{{\bf wxPATH\_NORM\_TILDE}}{Unix only: replace ~ and ~user} -\twocolitem{{\bf wxPATH\_NORM\_CASE}}{if case insensitive => tolower} +\twocolitem{{\bf wxPATH\_NORM\_CASE}}{if filesystem is case insensitive, transform to tolower case} \twocolitem{{\bf wxPATH\_NORM\_ABSOLUTE}}{make the path absolute} \twocolitem{{\bf wxPATH\_NORM\_LONG}}{make the path the long form} -\twocolitem{{\bf wxPATH\_NORM\_ALL}}{all of previous flags} +\twocolitem{{\bf wxPATH\_NORM\_SHORTCUT}}{resolve if it is a shortcut (Windows only)} +\twocolitem{{\bf wxPATH\_NORM\_ALL}}{all of previous flags except \texttt{wxPATH\_NORM\_CASE}} \end{twocollist} -} +}% \docparam{cwd}{If not empty, this directory will be used instead of current working directory in normalization.} \docparam{format}{The file name format, native by default.} + \membersection{wxFileName::PrependDir}\label{wxfilenameprependdir} \func{void}{PrependDir}{\param{const wxString\& }{dir}} -Prepends a directory name. +Prepends a directory to the file path. Please see +\helpref{AppendDir}{wxfilenameappenddir} for important notes. + + \membersection{wxFileName::RemoveDir}\label{wxfilenameremovedir} @@ -618,6 +709,7 @@ Prepends a directory name. Removes a directory name. + \membersection{wxFileName::Rmdir}\label{wxfilenamermdir} \func{bool}{Rmdir}{\void} @@ -626,12 +718,14 @@ Removes a directory name. Deletes the specified directory from the file system. + \membersection{wxFileName::SameAs}\label{wxfilenamesameas} \constfunc{bool}{SameAs}{\param{const wxFileName\& }{filepath}, \param{wxPathFormat }{format = wxPATH\_NATIVE}} Compares the filename using the rules of this platform. + \membersection{wxFileName::SetCwd}\label{wxfilenamesetcwd} \func{bool}{SetCwd}{\void} @@ -640,36 +734,42 @@ Compares the filename using the rules of this platform. Changes the current working directory. + \membersection{wxFileName::SetExt}\label{wxfilenamesetext} \func{void}{SetExt}{\param{const wxString\& }{ext}} Sets the extension of this file name. + \membersection{wxFileName::SetFullName}\label{wxfilenamesetfullname} \func{void}{SetFullName}{\param{const wxString\& }{fullname}} The full name is the file name and extension (but without the path). + \membersection{wxFileName::SetName}\label{wxfilenamesetname} \func{void}{SetName}{\param{const wxString\& }{name}} Sets the name. + \membersection{wxFileName::SetTimes}\label{wxfilenamesettimes} \func{bool}{SetTimes}{\param{const wxDateTime* }{dtAccess}, \param{const wxDateTime* }{dtMod}, \param{const wxDateTime* }{dtCreate}} Sets the file creation and last access/modification times (any of the pointers may be NULL). + \membersection{wxFileName::SetVolume}\label{wxfilenamesetvolume} \func{void}{SetVolume}{\param{const wxString\& }{volume}} Sets the volume specifier. + \membersection{wxFileName::SplitPath}\label{wxfilenamesplitpath} \func{static void}{SplitPath}{\param{const wxString\& }{fullpath}, \param{wxString* }{volume}, \param{wxString* }{path}, \param{wxString* }{name}, \param{wxString* }{ext}, \param{wxPathFormat }{format = wxPATH\_NATIVE}} @@ -688,12 +788,26 @@ without leading dot. All three of them may be empty if the corresponding component is. The old contents of the strings pointed to by these parameters will be overwritten in any case (if the pointers are not {\tt NULL}). + +\membersection{wxFileName::SplitVolume}\label{wxfilenamesplitvolume} + +\func{static void}{SplitVolume}{\param{const wxString\& }{fullpath}, \param{wxString* }{volume}, \param{wxString* }{path}, \param{wxPathFormat }{format = wxPATH\_NATIVE}} + +Splits the given \arg{fullpath} into the volume part (which may be empty) and +the pure path part, not containing any volume. + +\wxheading{See also} + +\helpref{SplitPath}{wxfilenamesplitpath} + + \membersection{wxFileName::Touch}\label{wxfilenametouch} \func{bool}{Touch}{\void} Sets the access and modification times to the current moment. + \membersection{wxFileName::operator=}\label{wxfilenameoperatorassign} \func{wxFileName\& operator}{operator=}{\param{const wxFileName\& }{filename}} @@ -702,6 +816,7 @@ Sets the access and modification times to the current moment. Assigns the new value to this filename object. + \membersection{wxFileName::operator==}\label{wxfilenameoperatorequal} \constfunc{bool operator}{operator==}{\param{const wxFileName\& }{filename}} @@ -711,6 +826,7 @@ Assigns the new value to this filename object. Returns {\tt true} if the filenames are equal. The string {\it filenames} is interpreted as a path in the native filename format. + \membersection{wxFileName::operator!=}\label{wxfilenameoperatornotequal} \constfunc{bool operator}{operator!=}{\param{const wxFileName\& }{filename}}