X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e21011866e9a89b5abda727f80e666ed2d7041c7..2006289b741f13c3d0a89f3758777850135f10e1:/docs/latex/wx/wxstring.tex diff --git a/docs/latex/wx/wxstring.tex b/docs/latex/wx/wxstring.tex index 9f242d2240..9b637b6ae5 100644 --- a/docs/latex/wx/wxstring.tex +++ b/docs/latex/wx/wxstring.tex @@ -13,7 +13,7 @@ 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} @@ -36,7 +36,7 @@ Objects: \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 @@ -47,7 +47,7 @@ operator. \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. @@ -58,7 +58,7 @@ 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 @@ -79,9 +79,12 @@ use it. \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 @@ -93,7 +96,7 @@ should be converted to a wxString first. \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 @@ -118,7 +121,7 @@ length of the prefix then. \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 @@ -134,7 +137,7 @@ substring. \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 @@ -145,7 +148,7 @@ lower case and leave the original string unchanged. \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. @@ -153,7 +156,7 @@ 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 @@ -164,7 +167,7 @@ converted to a number. \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 @@ -187,7 +190,7 @@ formatted value to a string: \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 @@ -203,7 +206,7 @@ must} be called! \helpref{GetWriteBuf}{wxstringgetwritebuf}\\ \helpref{UngetWriteBuf}{wxstringungetwritebuf} -\membersection{Miscellaneous} +\membersection{Miscellaneous}\label{miscellaneousinwxstring} Other string functions. @@ -211,9 +214,9 @@ 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}\\ @@ -397,7 +400,7 @@ their documentation. \func{}{wxString}{\void} -Default constructor. +Default constructor. Initializes the string to {\tt ""} (empty string). \func{}{wxString}{\param{const wxString\&}{ x}} @@ -410,7 +413,7 @@ Constructs a string of {\it n} copies of character {\it ch}. \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 @@ -422,11 +425,36 @@ results otherwise. \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} @@ -514,7 +542,13 @@ Returns the empty string if {\it ch} is not found. \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} @@ -593,6 +627,25 @@ Searches for the given string. Returns the starting index, or -1 if not found. 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{}{...}} @@ -621,6 +674,18 @@ This static function returns the string containing the result of calling 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}} @@ -631,7 +696,7 @@ Returns the character at position {\it n} (read-only). \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} @@ -786,6 +851,24 @@ Converts all characters to upper case and returns the result. 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}} @@ -908,6 +991,21 @@ have different meaning). 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}} @@ -1001,6 +1099,24 @@ Returns this string converted to upper case. 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} @@ -1158,7 +1274,7 @@ None \latexignore{\rtfignore{\wxheading{Members}}} -\membersection{wxStringBuffer::wxStringBuffer} +\membersection{wxStringBuffer::wxStringBuffer}\label{wxstringbufferctor} \func{}{wxStringBuffer}{\param{const wxString\& }{str}, \param{size\_t }{len}} @@ -1167,14 +1283,14 @@ and containing enough space for at least {\it len} characters. Basically, this 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}