X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cb2f2135b0c8966eb353634d1239a5dc6ba09266..2861eaee452dfef7aeaca2685be663db4e07510e:/docs/latex/wx/wxstring.tex?ds=sidebyside diff --git a/docs/latex/wx/wxstring.tex b/docs/latex/wx/wxstring.tex index 3a35293c24..cdd13d86b7 100644 --- a/docs/latex/wx/wxstring.tex +++ b/docs/latex/wx/wxstring.tex @@ -26,6 +26,10 @@ None +\wxheading{Library} + +\helpref{wxBase}{librarieslist} + \wxheading{Predefined objects} Objects: @@ -454,7 +458,7 @@ For ANSI builds only (note the use of {\tt char} instead of {\tt wxChar}). The following constructors allow you to construct wxString from a wide string in ANSI build or from a C string in Unicode build. -\func{}{wxString}{\param{const wchar\_t*}{ psz}, \param{wxMBConv\&}{ conv}, \param{size\_t}{ nLength = wxSTRING\_MAXLEN}} +\func{}{wxString}{\param{const wchar\_t*}{ psz}, \param{const 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. @@ -462,7 +466,7 @@ 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 = wxConvLibc}, \param{size\_t}{ nLength = wxSTRING\_MAXLEN}} +\func{}{wxString}{\param{const char*}{ psz}, \param{const wxMBConv\&}{ conv = wxConvLibc}, \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. @@ -586,7 +590,7 @@ to a function expecting non-const pointer. \membersection{wxString::char\_str}\label{wxstringcharstr} -\constfunc{wxWritableCharBuffer}{char\_str}{\param{wxMBConv\&}{ conv = wxConvLibc}} +\constfunc{wxWritableCharBuffer}{char\_str}{\param{const wxMBConv\&}{ conv = wxConvLibc}} Returns an object with string data that is implicitly convertible to {\tt char*} pointer. Note that any change to the returned buffer is lost and so @@ -770,7 +774,13 @@ This is a convenience method useful when storing binary data in wxString. \func{static wxString }{FromAscii}{\param{const char*}{ s}} -\func{static wxString }{FromAscii}{\param{const char}{ c}} +\func{static wxString }{FromAscii}{\param{const unsigned char*}{ s}} + +\func{static wxString }{FromAscii}{\param{const char*}{ s}, \param{size\_t}{ len}} + +\func{static wxString }{FromAscii}{\param{const unsigned char*}{ s}, \param{size\_t}{ len}} + +\func{static wxString }{FromAscii}{\param{char}{ c}} Converts the string or character from an ASCII, 7-bit form to the native wxString representation. Most useful when using @@ -779,6 +789,19 @@ Use \helpref{wxString constructors}{wxstringconstruct} if you need to convert from another charset. +\membersection{wxString::FromUTF8}\label{wxstringfromutf8} + +\func{static wxString }{FromUTF8}{\param{const char*}{ s}} + +\func{static wxString }{FromUTF8}{\param{const char*}{ s}, \param{size\_t}{ len}} + +Converts C string encoded in UTF-8 to wxString. + +Note that this method assumes that \arg{s} is a valid UTF-8 sequence and +doesn't do any validation in release builds, it's validity is only checked in +debug builds. + + \membersection{wxString::GetChar}\label{wxstringgetchar} \constfunc{wxChar}{GetChar}{\param{size\_t}{ n}} @@ -967,9 +990,9 @@ 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 = wxConvLibc}} +\constfunc{const char*}{mb\_str}{\param{const wxMBConv\&}{ conv = wxConvLibc}} -\constfunc{const wxCharBuffer}{mb\_str}{\param{wxMBConv\&}{ conv = wxConvLibc}} +\constfunc{const wxCharBuffer}{mb\_str}{\param{const wxMBConv\&}{ conv = wxConvLibc}} Returns multibyte (C string) representation of the string. In Unicode build, converts using \arg{conv}'s \helpref{cWC2MB}{wxmbconvcwc2mb} @@ -1097,7 +1120,7 @@ Minimizes the string's memory. This can be useful after a call to \membersection{wxString::StartsWith}\label{wxstringstartswith} -\constfunc{bool}{StartsWith}{\param{const wxChar }{*prefix}, \param{wxString }{*rest = NULL}} +\constfunc{bool}{StartsWith}{\param{const wxString\& }{prefix}, \param{wxString }{*rest = NULL}} This function can be used to test if the string starts with the specified {\it prefix}. If it does, the function will return \true and put the rest @@ -1108,7 +1131,7 @@ of the string (i.e. after the prefix) into {\it rest} string if it is not \membersection{wxString::EndsWith}\label{wxstringendswith} -\constfunc{bool}{EndsWith}{\param{const wxChar }{*suffix}, \param{wxString }{*rest = NULL}} +\constfunc{bool}{EndsWith}{\param{const wxString\& }{suffix}, \param{wxString }{*rest = NULL}} This function can be used to test if the string ends with the specified {\it suffix}. If it does, the function will return \true and put the @@ -1166,12 +1189,10 @@ This is a convenience method useful when storing binary data in wxString. \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). +a wxCharBuffer (Unicode builds only) or a C string (ANSI builds). Note that this conversion only works if the string contains only ASCII characters. The \helpref{mb\_str}{wxstringmbstr} method provides more @@ -1183,8 +1204,9 @@ powerful means of converting wxString to C string. \constfunc{bool}{ToDouble}{\param{double}{ *val}} Attempts to convert the string to a floating point number. Returns \true on -success (the number is stored in the location pointed to by {\it val}) or \false -if the string does not represent such number. +success (the number is stored in the location pointed to by \arg{val}) or \false +if the string does not represent such number (the value of \arg{val} is not +modified in this case). \wxheading{See also} @@ -1198,8 +1220,9 @@ if the string does not represent such number. Attempts to convert the string to a signed integer in base {\it base}. Returns \true on success in which case the number is stored in the location -pointed to by {\it val} or \false if the string does not represent a -valid number in the given base. +pointed to by \arg{val} or \false if the string does not represent a +valid number in the given base (the value of \arg{val} is not modified +in this case). The value of {\it base} must be comprised between $2$ and $36$, inclusive, or be a special value $0$ which means that the usual rules of {\tt C} numbers are @@ -1238,8 +1261,9 @@ with C99 support and Microsoft Visual C++ version 7 and higher do support this. Attempts to convert the string to an unsigned integer in base {\it base}. Returns \true on success in which case the number is stored in the -location pointed to by {\it val} or \false if the string does not -represent a valid number in the given base. Please notice that this function +location pointed to by \arg{val} or \false if the string does not +represent a valid number in the given base (the value of \arg{val} is not +modified in this case). Please notice that this function behaves in the same way as the standard \texttt{strtoul()} and so it simply converts negative numbers to unsigned representation instead of rejecting them (e.g. $-1$ is returned as \texttt{ULONG\_MAX}). @@ -1263,6 +1287,15 @@ bit integer numbers. Please see \helpref{ToLongLong}{wxstringtolonglong} for additional remarks. +\membersection{wxString::ToUTF8}\label{wxstringtoutf8} + +\constfunc{const char*}{ToUTF8}{\void} + +\constfunc{const wxCharBuffer}{ToUF8}{\void} + +Same as \helpref{utf8\_str}{wxstringutf8str}. + + \membersection{wxString::Trim}\label{wxstringtrim} \func{wxString\&}{Trim}{\param{bool}{ fromRight = true}} @@ -1316,11 +1349,23 @@ The same as MakeUpper. This is a wxWidgets 1.xx compatibility function; you should not use it in new code. +\membersection{wxString::utf8\_str}\label{wxstringutf8str} + +\constfunc{const char*}{utf8\_str}{\void} + +\constfunc{const wxCharBuffer}{utf8\_str}{\void} + +Converts the strings contents to UTF-8 and returns it either as a temporary +wxCharBuffer object or as a pointer to the internal string contents in +UTF-8 build. +% FIXME-UTF8: link to a topic explaining UTF-8 build here + + \membersection{wxString::wc\_str}\label{wxstringwcstr} -\constfunc{const wchar\_t*}{wc\_str}{\param{wxMBConv\&}{ conv}} +\constfunc{const wchar\_t*}{wc\_str}{\param{const wxMBConv\&}{ conv}} -\constfunc{const wxWCharBuffer}{wc\_str}{\param{wxMBConv\&}{ conv}} +\constfunc{const wxWCharBuffer}{wc\_str}{\param{const wxMBConv\&}{ conv}} Returns wide character representation of the string. In ANSI build, converts using \arg{conv}'s \helpref{cMB2WC}{wxmbconvcmb2wc} @@ -1339,10 +1384,10 @@ The macro wxWX2WCbuf is defined as the correct return type (without const). \constfunc{wxWritableWCharBuffer}{wchar\_str}{\void} Returns an object with string data that is implicitly convertible to -{\tt char*} pointer. Note that any change to the returned buffer is lost and so -this function is only usable for passing strings to legacy libraries that -don't have const-correct API. Use \helpref{wxStringBuffer}{wxstringbuffer} if -you want to modify the string. +{\tt char*} pointer. Note that changes to the returned buffer may or may +not be lost (depending on the build) and so this function is only usable for +passing strings to legacy libraries that don't have const-correct API. Use +\helpref{wxStringBuffer}{wxstringbuffer} if you want to modify the string. \wxheading{See also}