<wx/ffile.h>
+\wxheading{Library}
+
+\helpref{wxBase}{librarieslist}
+
\twocolwidtha{7cm}
\begin{twocollist}\itemsep=0pt%
\twocolitem{{\bf wxFromStart}}{Count offset from the start of the file}
\latexignore{\rtfignore{\wxheading{Members}}}
-\membersection{wxFFile::wxFFile}\label{wxffileconstr}
+
+\membersection{wxFFile::wxFFile}\label{wxffilector}
\func{}{wxFFile}{\void}
Default constructor.
-\func{}{wxFFile}{\param{const char*}{ filename}, \param{const char*}{ mode = "r"}}
+\func{}{wxFFile}{\param{const wxString\&}{ filename}, \param{const wxString\&}{ mode = "r"}}
Opens a file with the given mode. As there is no way to return whether the
operation was successful or not from the constructor you should test the
\docparam{fp}{An existing file descriptor, such as stderr.}
-\membersection{wxFFile::\destruct{wxFFile}}
+
+\membersection{wxFFile::\destruct{wxFFile}}\label{wxffiledtor}
\func{}{\destruct{wxFFile}}{\void}
NB: it is not virtual so you should {\it not} derive from wxFFile!
+
\membersection{wxFFile::Attach}\label{wxffileattach}
\func{void}{Attach}{\param{FILE*}{ fp}}
The descriptor should be already opened and it will be closed by wxFFile
object.
+
\membersection{wxFFile::Close}\label{wxffileclose}
\func{bool}{Close}{\void}
-Closes the file and returns true on success.
+Closes the file and returns \true on success.
+
\membersection{wxFFile::Detach}\label{wxffiledetach}
\func{void}{Detach}{\void}
-Get back a file pointer from wxFFile object - the caller is responsible for closing the file if this
-descriptor is opened. \helpref{IsOpened()}{wxffileisopened} will return false after call to Detach().
+Get back a file pointer from wxFFile object -- the caller is responsible for closing the file if this
+descriptor is opened. \helpref{IsOpened()}{wxffileisopened} will return \false after call to Detach().
+
\membersection{wxFFile::fp}\label{wxffilefp}
Returns the file pointer associated with the file.
+
\membersection{wxFFile::Eof}\label{wxffileeof}
\constfunc{bool}{Eof}{\void}
-Returns true if the an attempt has been made to read {\it past}
+Returns \true if the an attempt has been made to read {\it past}
the end of the file.
Note that the behaviour of the file descriptor based class
\helpref{wxFile}{wxfile} is different as \helpref{wxFile::Eof}{wxfileeof}
-will return true here as soon as the last byte of the file has been
+will return \true here as soon as the last byte of the file has been
read.
+Also note that this method may only be called for opened files and may crash if
+the file is not opened.
+
+\wxheading{See also}
+
+\helpref{IsOpened}{wxffileisopened}
+
+
+\membersection{wxFFile::Error}\label{wxffileerror}
+
+Returns \true if an error has occurred on this file, similar to the standard
+\texttt{ferror()} function.
+
+Please note that this method may only be called for opened files and may crash
+if the file is not opened.
+
+\wxheading{See also}
+
+\helpref{IsOpened}{wxffileisopened}
+
+
\membersection{wxFFile::Flush}\label{wxffileflush}
\func{bool}{Flush}{\void}
-Flushes the file and returns true on success.
+Flushes the file and returns \true on success.
+
+
+\membersection{wxFFile::GetKind}\label{wxffilegetfilekind}
+
+\constfunc{wxFileKind}{GetKind}{\void}
+
+Returns the type of the file. Possible return values are:
+
+\begin{verbatim}
+enum wxFileKind
+{
+ wxFILE_KIND_UNKNOWN,
+ wxFILE_KIND_DISK, // a file supporting seeking to arbitrary offsets
+ wxFILE_KIND_TERMINAL, // a tty
+ wxFILE_KIND_PIPE // a pipe
+};
+
+\end{verbatim}
+
\membersection{wxFFile::IsOpened}\label{wxffileisopened}
\constfunc{bool}{IsOpened}{\void}
-Returns true if the file has been opened.
+Returns \true if the file is opened. Most of the methods of this class may only
+be used for an opened file.
+
\membersection{wxFFile::Length}\label{wxffilelength}
-\constfunc{size\_t}{Length}{\void}
+\constfunc{wxFileOffset}{Length}{\void}
Returns the length of the file.
+
\membersection{wxFFile::Open}\label{wxffileopen}
-\func{bool}{Open}{\param{const char*}{ filename}, \param{const char*}{ mode = "r"}}
+\func{bool}{Open}{\param{const wxString\&}{ filename}, \param{const wxString\&}{ mode = "r"}}
-Opens the file, returning true if successful.
+Opens the file, returning \true if successful.
\wxheading{Parameters}
\docparam{mode}{The mode in which to open the file.}
+
\membersection{wxFFile::Read}\label{wxffileread}
-\func{size\_t}{Read}{\param{void*}{ buffer}, \param{off\_t}{ count}}
+\func{size\_t}{Read}{\param{void*}{ buffer}, \param{size\_t}{ count}}
Reads the specified number of bytes into a buffer, returning the actual number read.
The number of bytes read.
+
+\membersection{wxFFile::ReadAll}\label{wxffilereadall}
+
+\func{bool}{ReadAll}{\param{wxString *}{ str}, \param{const wxMBConv\&}{ conv = wxConvAuto()}}
+
+Reads the entire contents of the file into a string.
+
+\wxheading{Parameters}
+
+\docparam{str}{String to read data into.}
+
+\docparam{conv}{Conversion object to use in Unicode build; by default supposes
+that file contents is encoded in UTF-8.}
+
+\wxheading{Return value}
+
+\true if file was read successfully, \false otherwise.
+
+
\membersection{wxFFile::Seek}\label{wxffileseek}
-\func{bool}{Seek}{\param{long }{ofs}, \param{wxSeekMode }{mode = wxFromStart}}
+\func{bool}{Seek}{\param{wxFileOffset }{ofs}, \param{wxSeekMode }{mode = wxFromStart}}
-Seeks to the specified position and returns true on success.
+Seeks to the specified position and returns \true on success.
\wxheading{Parameters}
\docparam{mode}{One of {\bf wxFromStart}, {\bf wxFromEnd}, {\bf wxFromCurrent}.}
+
\membersection{wxFFile::SeekEnd}\label{wxffileseekend}
-\func{bool}{SeekEnd}{\param{long }{ofs = 0}}
+\func{bool}{SeekEnd}{\param{wxFileOffset }{ofs = 0}}
Moves the file pointer to the specified number of bytes before the end of the file
-and returns true on success.
+and returns \true on success.
\wxheading{Parameters}
\docparam{ofs}{Number of bytes before the end of the file.}
+
\membersection{wxFFile::Tell}\label{wxffiletell}
-\constfunc{size\_t}{Tell}{\void}
+\constfunc{wxFileOffset}{Tell}{\void}
Returns the current position.
+
\membersection{wxFFile::Write}\label{wxffilewrite}
\func{size\_t}{Write}{\param{const void*}{ buffer}, \param{size\_t}{ count}}
Number of bytes written.
+
\membersection{wxFFile::Write}\label{wxffilewrites}
-\func{bool}{Write}{\param{const wxString\& }{s}, \param{wxMBConv\&}{ conv = wxConvUTF8}}
+\func{bool}{Write}{\param{const wxString\& }{s}, \param{const wxMBConv\&}{ conv = wxConvAuto()}}
-Writes the contents of the string to the file, returns true on success.
+Writes the contents of the string to the file, returns \true on success.
-The second argument is only meaningful in Unicode build of wxWindows when
+The second argument is only meaningful in Unicode build of wxWidgets when
{\it conv} is used to convert {\it s} to multibyte representation.
projects / wxWidgets.git / blobdiff