are not supported, nor all methods which use them).
These standard functions are not documented in this manual so please see the STL documentation.
The behaviour of all these functions is identical to the behaviour described
-there.
+there (except that wxString is sensitive to null character).
You may notice that wxString sometimes has many functions which do the same
thing like, for example, \helpref{Length()}{wxstringlength},
\helpref{Len()}{wxstringlen} and {\tt length()} which all return the string
length. In all cases of such duplication the {\tt std::string}-compatible
method ({\tt length()} in this case, always the lowercase version) should be
-used as it will ensure smoother transition to {\tt std::string} when wxWindows
+used as it will ensure smoother transition to {\tt std::string} when wxWidgets
starts using it instead of wxString.
\wxheading{Derived from}
\latexignore{\rtfignore{\wxheading{Function groups}}}
-\membersection{Constructors and assignment operators}
+\membersection{Constructors and assignment operators}\label{constructorsinwxstring}
A string may be constructed either from a C string, (some number of copies of)
a single character or a wide (UNICODE) string. For all constructors (except the
\helpref{operator $=$}{wxstringoperatorassign}\\
\helpref{\destruct{wxString}}{wxstringdestruct}
-\membersection{String length}
+\membersection{String length}\label{lengthfunctionsinwxstring}
These functions return the string length and check whether the string is empty
or empty it.
\helpref{Empty}{wxstringempty}\\
\helpref{Clear}{wxstringclear}
-\membersection{Character access}
+\membersection{Character access}\label{characteraccessinwxstring}
Many functions in this section take a character index in the string. As with C
strings and/or arrays, the indices start from $0$, so the first character of a
\helpref{Last}{wxstringlast}\\
\helpref{operator []}{wxstringoperatorbracket}\\
\helpref{c\_str}{wxstringcstr}\\
+\helpref{mb\_str}{wxstringmbstr}\\
+\helpref{wc\_str}{wxstringwcstr}\\
+\helpref{fn\_str}{wxstringfnstr}\\
\helpref{operator const char*}{wxstringoperatorconstcharpt}
-\membersection{Concatenation}
+\membersection{Concatenation}\label{concatenationinwxstring}
Anything may be concatenated (appended to) with a string. However, you can't
append something to a C string (including literal constants), so to do this it
\helpref{Append}{wxstringappend}\\
\helpref{Prepend}{wxstringprepend}
-\membersection{Comparison}
+\membersection{Comparison}\label{comparisoninwxstring}
The default comparison function \helpref{Cmp}{wxstringcmp} is case-sensitive and
so is the default version of \helpref{IsSameAs}{wxstringissameas}. For case
\helpref{Matches}{wxstringmatches}\\
\helpref{StartsWith}{wxstringstartswith}
-\membersection{Substring extraction}
+\membersection{Substring extraction}\label{substringextractioninwxstring}
These functions allow to extract substring from this string. All of them don't
modify the original string and return a new string containing the extracted
\helpref{AfterLast}{wxstringafterlast}\\
\helpref{StartsWith}{wxstringstartswith}
-\membersection{Case conversion}
+\membersection{Case conversion}\label{caseconversioninwxstring}
The MakeXXX() variants modify the string in place, while the other functions
return a new string which contains the original text converted to the upper or
\helpref{MakeLower}{wxstringmakelower}\\
\helpref{Lower}{wxstringlower}
-\membersection{Searching and replacing}
+\membersection{Searching and replacing}\label{searchingandreplacinginwxstring}
These functions replace the standard {\it strchr()} and {\it strstr()}
functions.
\helpref{Find}{wxstringfind}\\
\helpref{Replace}{wxstringreplace}
-\membersection{Conversion to numbers}
+\membersection{Conversion to numbers}\label{conversiontonumbersinwxstring}
The string provides functions for conversion to signed and unsigned integer and
floating point numbers. All three functions take a pointer to the variable to
\helpref{ToULong}{wxstringtoulong}\\
\helpref{ToDouble}{wxstringtodouble}
-\membersection{Writing values into the string}
+\membersection{Writing values into the string}\label{writingintostringinwxstring}
Both formatted versions (\helpref{Printf}{wxstringprintf}) and stream-like
insertion operators exist (for basic types only). Additionally, the
\helpref{PrintfV}{wxstringprintfv}\\
\helpref{operator \cinsert}{wxstringoperatorout}
-\membersection{Memory management}
+\membersection{Memory management}\label{memoryinwxstring}
These are "advanced" functions and they will be needed quite rarely.
\helpref{Alloc}{wxstringalloc} and \helpref{Shrink}{wxstringshrink} are only
\helpref{GetWriteBuf}{wxstringgetwritebuf}\\
\helpref{UngetWriteBuf}{wxstringungetwritebuf}
-\membersection{Miscellaneous}
+\membersection{Miscellaneous}\label{miscellaneousinwxstring}
Other string functions.
\helpref{Pad}{wxstringpad}\\
\helpref{Truncate}{wxstringtruncate}
-\membersection{wxWindows 1.xx compatibility functions}
+\membersection{wxWidgets 1.xx compatibility functions}\label{backwardcompatibilityinwxstring}
-These functions are deprecated, please consider using new wxWindows 2.0
+These functions are deprecated, please consider using new wxWidgets 2.0
functions instead of them (or, even better, std::string compatible variants).
\helpref{SubString}{wxstringsubstring}\\
\func{}{wxString}{\void}
-Default constructor.
+Default constructor. Initializes the string to {\tt ""} (empty string).
\func{}{wxString}{\param{const wxString\&}{ x}}
\func{}{wxString}{\param{const char*}{ psz}, \param{size\_t}{ nLength = wxSTRING\_MAXLEN}}
Takes first {\it nLength} characters from the C string {\it psz}.
-The default value of wxSTRING\_MAXLEN means to take all the string.
+The default value of {\tt wxSTRING\_MAXLEN} means to take all the string.
Note that this constructor may be used even if {\it psz} points to a buffer
with binary data (i.e. containing {\tt NUL} characters) as long as you provide
\func{}{wxString}{\param{const unsigned char*}{ psz}, \param{size\_t}{ nLength = wxSTRING\_MAXLEN}}
For compilers using unsigned char: takes first {\it nLength} characters from the C string {\it psz}.
-The default value of wxSTRING\_MAXLEN means take all the string.
+The default value of {\tt wxSTRING\_MAXLEN} means take all the string.
-\func{}{wxString}{\param{const wchar\_t*}{ psz}}
+{\bf Note:} In Unicode build, all of the above constructors take
+{\tt wchar\_t} arguments instead of {\tt char}.
-Constructs a string from the wide (UNICODE) string.
+\wxheading{Constructors with conversion}
+
+The following constructors allow you to construct wxString from wide string
+in ANSI build or from C string in Unicode build.
+
+\func{}{wxString}{\param{const wchar\_t*}{ psz}, \param{wxMBConv\&}{ conv}, \param{size\_t}{ nLength = wxSTRING\_MAXLEN}}
+
+Initializes the string from first \arg{nLength} characters of wide string.
+The default value of {\tt wxSTRING\_MAXLEN} means take all the string.
+In ANSI build, \arg{conv}'s
+\helpref{WC2MB}{wxmbconvwc2mb} method is called to
+convert \arg{psz} to wide string. It is ignored in Unicode build.
+
+\func{}{wxString}{\param{const char*}{ psz}, \param{wxMBConv\&}{ conv}, \param{size\_t}{ nLength = wxSTRING\_MAXLEN}}
+
+Initializes the string from first \arg{nLength} characters of C string.
+The default value of {\tt wxSTRING\_MAXLEN} means take all the string.
+In Unicode build, \arg{conv}'s
+\helpref{MB2WC}{wxmbconvmb2wc} method is called to
+convert \arg{psz} to wide string. It is ignored in ANSI build.
+
+\wxheading{See also}
+
+\helpref{wxMBConv classes}{mbconvclasses}, \helpref{mb\_str}{wxstringmbstr},
+\helpref{wc\_str}{wxstringwcstr}
\membersection{wxString::\destruct{wxString}}\label{wxstringdestruct}
\constfunc{const char *}{c\_str}{\void}
-Returns a pointer to the string data.
+Returns a pointer to the string data ({\tt const char*} in ANSI build,
+{\tt const wchar\_t*} in Unicode build).
+
+\wxheading{See also}
+
+\helpref{mb\_str}{wxstringmbstr}, \helpref{wc\_str}{wxstringwcstr},
+\helpref{fn\_str}{wxstringfnstr}
\membersection{wxString::Clear}\label{wxstringclear}
Same as \helpref{Find}{wxstringfind}.
+\membersection{wxString::fn\_str}\label{wxstringfnstr}
+
+\constfunc{const wchar\_t*}{fn\_str}{\void}
+
+\constfunc{const char*}{fn\_str}{\void}
+
+\constfunc{const wxCharBuffer}{fn\_str}{\void}
+
+Returns string representation suitable for passing to OS' functions for
+file handling. In ANSI build, this is same as \helpref{c\_str}{wxstringcstr}.
+In Unicode build, returned value can be either wide character string
+or C string in charset matching the {\tt wxConvFile} object, depending on
+the OS.
+
+\wxheading{See also}
+
+\helpref{wxMBConv}{wxmbconv},
+\helpref{wc\_str}{wxstringwcstr}, \helpref{mb\_str}{wxstringwcstr}
+
\membersection{wxString::Format}\label{wxstringformat}
\func{static wxString}{Format}{\param{const wxChar }{*format}, \param{}{...}}
Returns the number of occurrences of {\it ch} in the string.
+\membersection{wxString::FromAscii}\label{wxstringfromascii}
+
+\func{static wxString }{FromAscii}{\param{const char*}{ s}}
+
+\func{static wxString }{FromAscii}{\param{const char}{ c}}
+
+Converts the string or character from an ASCII, 7-bit form
+to the native wxString representation. Most useful when using
+a Unicode build of wxWidgets.
+Use \helpref{wxString constructors}{wxstringconstruct} if you
+need to convert from another charset.
+
\membersection{wxString::GetChar}\label{wxstringgetchar}
\constfunc{char}{GetChar}{\param{size\_t}{ n}}
\constfunc{const char*}{GetData}{\void}
-wxWindows compatibility conversion. Returns a constant pointer to the data in the string.
+wxWidgets compatibility conversion. Returns a constant pointer to the data in the string.
\membersection{wxString::GetWritableChar}\label{wxstringgetwritablechar}
\membersection{wxString::GetWriteBuf}\label{wxstringgetwritebuf}
-\func{char*}{GetWriteBuf}{\param{size\_t}{ len}}
+\func{wxChar*}{GetWriteBuf}{\param{size\_t}{ len}}
Returns a writable buffer of at least {\it len} bytes.
+It returns a pointer to a new memory block, and the
+existing data will not be copied.
Call \helpref{wxString::UngetWriteBuf}{wxstringungetwritebuf} as soon as possible
to put the string back into a reasonable state.
\membersection{wxString::MakeLower}\label{wxstringmakelower}
-\func{void}{MakeLower}{\void}
+\func{wxString\&}{MakeLower}{\void}
-Converts all characters to lower case.
+Converts all characters to lower case and returns the result.
\membersection{wxString::MakeUpper}\label{wxstringmakeupper}
-\func{void}{MakeUpper}{\void}
+\func{wxString\&}{MakeUpper}{\void}
-Converts all characters to upper case.
+Converts all characters to upper case and returns the result.
\membersection{wxString::Matches}\label{wxstringmatches}
Returns true if the string contents matches a mask containing '*' and '?'.
+\membersection{wxString::mb\_str}\label{wxstringmbstr}
+
+\constfunc{const char*}{mb\_str}{\param{wxMBConv\&}{ conv}}
+
+\constfunc{const wxCharBuffer}{mb\_str}{\param{wxMBConv\&}{ conv}}
+
+Returns multibyte (C string) representation of the string.
+In Unicode build, converts using \arg{conv}'s \helpref{cWC2MB}{wxmbconvcwc2mb}
+method and returns wxCharBuffer. In ANSI build, this function is same
+as \helpref{c\_str}{wxstringcstr}.
+The macro wxWX2MBbuf is defined as the correct return type (without const).
+
+\wxheading{See also}
+
+\helpref{wxMBConv}{wxmbconv},
+\helpref{c\_str}{wxstringcstr}, \helpref{wc\_str}{wxstringwcstr},
+\helpref{fn\_str}{wxstringfnstr}
+
\membersection{wxString::Mid}\label{wxstringmid}
\constfunc{wxString}{Mid}{\param{size\_t}{ first}, \param{size\_t}{ count = wxSTRING\_MAXLEN}}
Returns the part of the string between the indices {\it from} and {\it to}
inclusive.
+\membersection{wxString::ToAscii}\label{wxstringtoascii}
+
+\constfunc{const char*}{ToAscii}{\void}
+
+Converts the string to an ASCII, 7-bit string (ANSI builds only).
+
+\constfunc{const wxCharBuffer}{ToAscii}{\void}
+
+Converts the string to an ASCII, 7-bit string in the form of
+a wxCharBuffer (Unicode builds only).
+
+Note that this conversion only works if the string contains only ASCII
+characters. The \helpref{mb\_str}{wxstringmbstr} method provides more
+powerful means of converting wxString to C string.
+
\membersection{wxString::ToDouble}\label{wxstringtodouble}
\constfunc{bool}{ToDouble}{\param{double}{ *val}}
The same as MakeUpper.
+\membersection{wxString::wc\_str}\label{wxstringwcstr}
+
+\constfunc{const wchar\_t*}{wc\_str}{\param{wxMBConv\&}{ conv}}
+
+\constfunc{const wxWCharBuffer}{wc\_str}{\param{wxMBConv\&}{ conv}}
+
+Returns wide character representation of the string.
+In ANSI build, converts using \arg{conv}'s \helpref{cMB2WC}{wxmbconvcmb2wc}
+method and returns wxWCharBuffer. In Unicode build, this function is same
+as \helpref{c\_str}{wxstringcstr}.
+The macro wxWX2WCbuf is defined as the correct return type (without const).
+
+\wxheading{See also}
+
+\helpref{wxMBConv}{wxmbconv},
+\helpref{c\_str}{wxstringcstr}, \helpref{mb\_str}{wxstringwcstr},
+\helpref{fn\_str}{wxstringfnstr}
+
\membersection{wxString::operator!}\label{wxstringoperatornot}
\constfunc{bool}{operator!}{\void}
\latexignore{\rtfignore{\wxheading{Members}}}
-\membersection{wxStringBuffer::wxStringBuffer}
+\membersection{wxStringBuffer::wxStringBuffer}\label{wxstringbufferctor}
\func{}{wxStringBuffer}{\param{const wxString\& }{str}, \param{size\_t }{len}}
is equivalent to calling \helpref{GetWriteBuf}{wxstringgetwritebuf} and
saving the result.
-\membersection{wxStringBuffer::\destruct{wxStringBuffer}}
+\membersection{wxStringBuffer::\destruct{wxStringBuffer}}\label{wxstringbufferdtor}
\func{}{\destruct{wxStringBuffer}}{\void}
Restores the string passed to the constructor to the usable state by calling
\helpref{UngetWriteBuf}{wxstringungetwritebuf} on it.
-\membersection{wxStringBuffer::operator wxChar *}
+\membersection{wxStringBuffer::operator wxChar *}\label{wxstringbufferwxchar}
\constfunc{wxChar *}{operator wxChar *}{\void}
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