// Name: textfile.h
// Purpose: interface of wxTextFile
// Author: wxWidgets team
-// RCS-ID: $Id$
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+// TODO: document wxTextBuffer
-/** The line termination type (kept wxTextFileType name for compability) */
+/**
+ The line termination type.
+*/
enum wxTextFileType
{
wxTextFileType_None, //!< incomplete (the last line of the file only)
wxTextFileType_Os2 //!< line is terminated with 'CR' 'LF'
};
-
/**
@class wxTextFile
- Create and open it: this is done with either wxTextFile::Create or wxTextFile::Open
function which opens the file (name may be specified either as the argument to
these functions or in the constructor), reads its contents in memory (in the
- case of @c Open()) and closes it.
+ case of wxTextFile::Open()) and closes it.
- Work with the lines in the file: this may be done either with "direct
access" functions like wxTextFile::GetLineCount and wxTextFile::GetLine
(@e operator[] does exactly the same but looks more like array addressing)
wxTextFile::Clear resets the file to empty.
- Save your changes: notice that the changes you make to the file will @b not be
saved automatically; calling wxTextFile::Close or doing nothing discards them!
- To save the changes you must explicitly callwxTextFile::Write - here, you may
+ To save the changes you must explicitly call wxTextFile::Write - here, you may
also change the line termination type if you wish.
-
@library{wxbase}
@category{file}
class wxTextFile
{
public:
+ /**
+ Default type for current platform determined at compile time.
+ */
+ static const wxTextFileType typeDefault;
+
/**
Default constructor, use Create() or Open() with a file name parameter to
initialize the object.
/**
Adds a line to the end of file.
*/
- void AddLine(const wxString& str,
- wxTextFileType type = typeDefault) const;
+ void AddLine(const wxString& str, wxTextFileType type = typeDefault);
/**
Delete all lines from the file, set current line number to 0.
*/
bool Close();
- //@{
/**
- Creates the file with the given name or the name which was given in the
- @ref wxTextFile() constructor. The array of file lines is initially empty.
+ Creates the file with the name which was given in the
+ wxTextFile(const wxString&) constructor.
+ The array of file lines is initially empty.
It will fail if the file already exists, Open() should be used in this case.
*/
- bool Create() const;
- bool Create(const wxString& strFile) const;
- //@}
+ bool Create();
+
+ /**
+ Creates the file with the given name.
+ The array of file lines is initially empty.
+
+ It will fail if the file already exists, Open() should be used in this case.
+ */
+ bool Create(const wxString& strFile);
/**
Returns @true if the current line is the last one.
@e typeDefault is the value defined during the compilation and corresponds
to the native format of the platform, i.e. it will be @c wxTextFileType_Dos
- under Windows, @c wxTextFileType_Unix under Unix (including Mac OS X when
- compiling with the Apple Developer Tools) and @c wxTextFileType_Mac under
- Mac OS (including Mac OS X when compiling with CodeWarrior).
+ under Windows and @c wxTextFileType_Unix under Unix (including Mac OS
+ X, the value @c wxTextFileType_Mac was only used for classic Mac OS
+ versions).
*/
- static const char* GetEOL(wxTextFileType type = typeDefault) const;
+ static const wxChar* GetEOL(wxTextFileType type = typeDefault);
/**
This method together with GetNextLine() allows more "iterator-like"
// do something with the last line in str
@endcode
*/
- wxString GetFirstLine() const;
+ wxString& GetFirstLine();
/**
Gets the last line of the file.
// do something with the first line in str
@endcode
*/
- wxString GetLastLine();
+ wxString& GetLastLine();
/**
Retrieves the line number @a n from the file.
- The returned line may be modified but you shouldn't add line terminator
- at the end - this will be done by wxTextFile.
+ The returned line may be modified when non-const method is used but you
+ shouldn't add line terminator at the end -- this will be done by
+ wxTextFile itself.
*/
- wxString GetLine(size_t n) const;
+ //@{
+ wxString& GetLine(size_t n);
+ const wxString& GetLine(size_t n) const;
+ //@}
/**
Get the number of lines in the file.
/**
Get the name of the file.
*/
- const char* GetName() const;
+ const wxString& GetName() const;
/**
Gets the next line (see GetFirstLine() for the example).
*/
- wxString GetNextLine();
+ wxString& GetNextLine();
/**
Gets the previous line in the file.
*/
- wxString GetPrevLine();
+ wxString& GetPrevLine();
/**
Changes the value returned by GetCurrentLine() and used by GetFirstLine()
Insert a line before the line number @a n.
*/
void InsertLine(const wxString& str, size_t n,
- wxTextFileType type = typeDefault) const;
+ wxTextFileType type = typeDefault);
/**
Returns @true if the file is currently opened.
*/
bool IsOpened() const;
- //@{
/**
- Open() opens the file with the given name or the name which was given in the
- @ref wxTextFile() constructor and also loads file in memory on success.
+ Opens the file with the name which was given in the wxTextFile(const wxString&)
+ constructor and also loads file in memory on success.
It will fail if the file does not exist, Create() should be used in this case.
The @a conv argument is only meaningful in Unicode build of wxWidgets when
it is used to convert the file to wide character representation.
*/
- bool Open(const wxMBConv& conv = wxConvAuto()) const;
- bool Open(const wxString& strFile, const wxMBConv& conv = wxConvAuto()) const;
- //@}
+ bool Open(const wxMBConv& conv = wxConvAuto());
+
+ /**
+ Opens the file with the given name and also loads file in memory on success.
+
+ It will fail if the file does not exist, Create() should be used in this case.
+
+ The @a conv argument is only meaningful in Unicode build of wxWidgets when
+ it is used to convert the file to wide character representation.
+ */
+ bool Open(const wxString& strFile, const wxMBConv& conv = wxConvAuto());
/**
Delete line number @a n from the file.
/**
The same as GetLine().
*/
- wxString operator[](size_t n) const;
+ wxString& operator[](size_t n) const;
};
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