X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9c3d92c56bc2663e2edf04844a307bafcaefea0e..6c4fc6a8e3bea19621a328e66b3857ab01a5c15a:/docs/latex/wx/wxstring.tex diff --git a/docs/latex/wx/wxstring.tex b/docs/latex/wx/wxstring.tex index f3296fe1b8..85529acf02 100644 --- a/docs/latex/wx/wxstring.tex +++ b/docs/latex/wx/wxstring.tex @@ -16,6 +16,11 @@ method ({\tt length()} in this case, always the lowercase version) should be used as it will ensure smoother transition to {\tt std::string} when wxWidgets starts using it instead of wxString. +Also please note that in this manual \texttt{char} is sometimes used instead of +\texttt{wxChar} because it hasn't been fully updated yet. Please substitute as +necessary and refer to the sources in case of a doubt. + + \wxheading{Derived from} None @@ -119,7 +124,8 @@ length of the prefix then. \helpref{CmpNoCase}{wxstringcmpnocase}\\ \helpref{IsSameAs}{wxstringissameas}\\ \helpref{Matches}{wxstringmatches}\\ -\helpref{StartsWith}{wxstringstartswith} +\helpref{StartsWith}{wxstringstartswith}\\ +\helpref{EndsWith}{wxstringendswith} \membersection{Substring extraction}\label{substringextractioninwxstring} @@ -135,7 +141,9 @@ substring. \helpref{BeforeLast}{wxstringbeforelast}\\ \helpref{AfterFirst}{wxstringafterfirst}\\ \helpref{AfterLast}{wxstringafterlast}\\ -\helpref{StartsWith}{wxstringstartswith} +\helpref{StartsWith}{wxstringstartswith}\\ +\helpref{EndsWith}{wxstringendswith} + \membersection{Case conversion}\label{caseconversioninwxstring} @@ -560,6 +568,8 @@ See also: \helpref{Empty}{wxstringempty} \membersection{wxString::Cmp}\label{wxstringcmp} +\constfunc{int}{Cmp}{\param{const wxString\&}{ s}} + \constfunc{int}{Cmp}{\param{const char*}{ psz}} Case-sensitive comparison. @@ -572,6 +582,8 @@ See also \helpref{CmpNoCase}{wxstringcmpnocase}, \helpref{IsSameAs}{wxstringissa \membersection{wxString::CmpNoCase}\label{wxstringcmpnocase} +\constfunc{int}{CmpNoCase}{\param{const wxString\&}{ s}} + \constfunc{int}{CmpNoCase}{\param{const char*}{ psz}} Case-insensitive comparison. @@ -885,6 +897,19 @@ Prepends {\it str} to this string, returning a reference to this string. Similar to the standard function {\it sprintf()}. Returns the number of characters written, or an integer less than zero on error. +Note that if {\tt wxUSE\_PRINTF\_POS\_PARAMS} is set to 1, then this function supports +Unix98-style positional parameters: + +\begin{verbatim} + wxString str; + + str.Printf(wxT("%d %d %d"), 1, 2, 3); + // str now contains "1 2 3" + + str.Printf(wxT("%2$d %3$d %1$d"), 1, 2, 3); + // str now contains "2 3 1" +\end{verbatim} + {\bf NB:} This function will use a safe version of {\it vsprintf()} (usually called {\it vsnprintf()}) whenever available to always allocate the buffer of correct size. Unfortunately, this function is not available on all platforms and the @@ -905,7 +930,7 @@ Same as Truncate. Removes the portion from {\it pos} to the end of the string. \func{wxString\&}{Remove}{\param{size\_t}{ pos}, \param{size\_t}{ len}} -Removes the {\it len} characters from the string, starting at {\it pos}. +Removes {\it len} characters from the string, starting at {\it pos}. \membersection{wxString::RemoveLast}\label{wxstringremovelast} @@ -958,6 +983,16 @@ of the string (i.e. after the prefix) into {\it rest} string if it is not {\tt NULL}. Otherwise, the function returns {\tt false} and doesn't modify the {\it rest}. +\membersection{wxString::EndsWith}\label{wxstringendswith} + +\constfunc{bool}{EndsWith}{\param{const wxChar }{*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 {\tt true} and put the +beginning of the string before the suffix into {\it rest} string if it is not +{\tt NULL}. Otherwise, the function returns {\tt false} and doesn't +modify the {\it rest}. + \membersection{wxString::Strip}\label{wxstringstrip} \begin{verbatim} @@ -1036,7 +1071,10 @@ familiar with C) results. Attempts to convert the string to an unsigned integer in base {\it base}. Returns {\tt true} on success in which case the number is stored in the location pointed to by {\it val} or {\tt false} if the string does not -represent a valid number in the given base. +represent a valid number in the given base. 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}). See \helpref{wxString::ToLong}{wxstringtolong} for the more detailed description of the {\it base} parameter. @@ -1050,7 +1088,8 @@ description of the {\it base} parameter. \func{wxString\&}{Trim}{\param{bool}{ fromRight = true}} -Removes spaces from the left or from the right (default). +Removes white-space (space, tabs, form feed, newline and carriage return) from +the left or from the right end of the string (right is default). \membersection{wxString::Truncate}\label{wxstringtruncate} @@ -1156,11 +1195,13 @@ Concatenation in place: the argument is appended to the string. \membersection{wxString::operator []}\label{wxstringoperatorbracket} -\func{char\&}{operator []}{\param{size\_t}{ i}} +\func{wxChar\&}{operator []}{\param{size\_t}{ i}} + +\constfunc{wxChar}{operator []}{\param{size\_t}{ i}} -\func{char}{operator []}{\param{size\_t}{ i}} +\func{wxChar\&}{operator []}{\param{int}{ i}} -\func{char}{operator []}{\param{int}{ i}} +\constfunc{wxChar}{operator []}{\param{int}{ i}} Element extraction. @@ -1253,7 +1294,7 @@ buffer (which must be writable, of course) you might call it like this: \end{verbatim} Note that the exact usage of this depends on whether on not wxUSE\_STL is enabled. If -wxUSE\_STL is enabled, wxStringBuffer creates a seperate empty character buffer, and +wxUSE\_STL is enabled, wxStringBuffer creates a separate empty character buffer, and if wxUSE\_STL is disabled, it uses GetWriteBuf() from wxString, keeping the same buffer wxString uses intact. In other words, relying on wxStringBuffer containing the old wxString data is probably not a good idea if you want to build your program in both @@ -1318,7 +1359,7 @@ of the string, you might call it like this: \end{verbatim} Note that the exact usage of this depends on whether on not wxUSE\_STL is enabled. If -wxUSE\_STL is enabled, wxStringBuffer creates a seperate empty character buffer, and +wxUSE\_STL is enabled, wxStringBuffer creates a separate empty character buffer, and if wxUSE\_STL is disabled, it uses GetWriteBuf() from wxString, keeping the same buffer wxString uses intact. In other words, relying on wxStringBuffer containing the old wxString data is probably not a good idea if you want to build your program in both