are added to it (so it is as easy to use as a linked list), but the access
time to the elements is constant, instead of being linear in number of
elements as in the case of linked lists. It is also very size efficient and
-doesn't take more space than a C array {\it wxString[]} type. wxArrayString
-uses its knowledge of internals of wxString class to achieve this.
+doesn't take more space than a C array {\it wxString[]} type (wxArrayString
+uses its knowledge of internals of wxString class to achieve this).
This class is used in the same way as other dynamic \helpref{arrays}{wxarray},
except that no {\it WX\_DEFINE\_ARRAY} declaration is needed for it. When a
string is added or inserted in the array, a copy of the string is created, so
-the original string may be safely deleted (e.g. if it was a {\it char *}
+the original string may be safely deleted (e.g. if it was a {\it wxChar *}
pointer the memory it was using can be freed immediately after this). In
general, there is no need to worry about string memory deallocation when using
this class - it will always free the memory it uses itself.
array.Last().MakeUpper();
\end{verbatim}
-Finally, none of the methods of this class is virtual including its
-destructor, so this class should not be derived from.
+There is also a variant of wxArrayString called wxSortedArrayString which has
+exactly the same methods as wxArrayString, but which always keeps the string
+in it in (alphabetical) order. wxSortedArrayString uses binary search in its
+\helpref{Index}{wxarraystringindex} function (instead of linear search for
+wxArrayString::Index) which makes it much more efficient if you add strings to
+the array rarely (because, of course, you have to pay for Index() efficiency
+by having Add() be slower) but search for them often. Several methods should
+not be used with sorted array (basically, all which break the order of items)
+which is mentioned in their description.
+
+Final word: none of the methods of wxArrayString is virtual including its
+destructor, so this class should not be used as a base class.
\wxheading{Derived from}
\wxheading{Include files}
-<wx/string.h>
+<wx/arrstr.h>
\wxheading{See also}
\func{}{wxArrayString}{\void}
+Default constructor.
+
\func{}{wxArrayString}{\param{const wxArrayString\&}{ array}}
-Default and copy constructors.
+Copy constructor. Note that when an array is assigned to a sorted array, its contents is
+automatically sorted during construction.
+
+\func{}{wxArrayString}{\param{size\_t}{ sz}, \param{const wxChar**}{ arr}}
+
+Constructor from a C string array. Pass a size {\it sz} and array {\it arr}.
+
+\func{}{wxArrayString}{\param{size\_t}{ sz}, \param{const wxString*}{ arr}}
+
+Constructor from a wxString array. Pass a size {\it sz} and array {\it arr}.
\membersection{wxArrayString::\destruct{wxArrayString}}\label{wxarraystringdtor}
Assignment operator.
+\membersection{wxArrayString::operator==}\label{wxarraystringoperatorequal}
+
+\constfunc{bool}{operator $==$}{\param{const wxArrayString\&}{ array}}
+
+Compares 2 arrays respecting the case. Returns true only if the arrays have
+the same number of elements and the same strings in the same order.
+
+\membersection{wxArrayString::operator!=}\label{wxarraystringoperatornotequal}
+
+\constfunc{bool}{operator $!=$}{\param{const wxArrayString\&}{ array}}
+
+Compares 2 arrays respecting the case. Returns true if the arrays have
+different number of elements or if the elements don't match pairwise.
+
\membersection{wxArrayString::operator[]}\label{wxarraystringoperatorindex}
-\func{wxString\&}{operatorp[]}{\param{size\_t }{nIndex}}
+\func{wxString\&}{operator[]}{\param{size\_t }{nIndex}}
Return the array element at position {\it nIndex}. An assert failure will
result from an attempt to access an element beyond the end of array in debug
\membersection{wxArrayString::Add}\label{wxarraystringadd}
-\func{void}{Add}{\param{const wxString\& }{str}}
+\func{size\_t}{Add}{\param{const wxString\& }{str}, \param{size\_t}{ copies = $1$}}
+
+Appends the given number of {\it copies} of the new item {\it str} to the
+array and returns the index of the first new item in the array.
-Appends a new item to the array.
+{\bf Warning:} For sorted arrays, the index of the inserted item will not be,
+in general, equal to \helpref{GetCount()}{wxarraystringgetcount} - 1 because
+the item is inserted at the correct position to keep the array sorted and not
+appended.
See also: \helpref{Insert}{wxarraystringinsert}
See also: \helpref{Empty}{wxarraystringempty}
-\membersection{wxArrayString::Count}\label{wxarraystringcount}
-
-\constfunc{size\_t}{Count}{\void}
-
-Returns the number of items in the array. This function is deprecated and is
-for backwards compatibility only, please use
-\helpref{GetCount}{wxarraystringgetcount} instead.
-
\membersection{wxArrayString::Empty}\label{wxarraystringempty}
\func{void}{Empty}{\void}
\membersection{wxArrayString::Index}\label{wxarraystringindex}
-\func{int}{Index}{\param{const char *}{ sz}, \param{bool}{ bCase = TRUE}, \param{bool}{ bFromEnd = FALSE}}
+\func{int}{Index}{\param{const wxChar *}{ sz}, \param{bool}{ bCase = true}, \param{bool}{ bFromEnd = false}}
Search the element in the array, starting from the beginning if
-{\it bFromEnd} is FALSE or from end otherwise. If {\it bCase}, comparison is
+{\it bFromEnd} is false or from end otherwise. If {\it bCase}, comparison is
case sensitive (default), otherwise the case is ignored.
-Returns index of the first item matched or wxNOT\_FOUND if there is no match.
+This function uses linear search for wxArrayString and binary search for
+wxSortedArrayString, but it ignores the {\it bCase} and {\it bFromEnd}
+parameters in the latter case.
+
+Returns index of the first item matched or {\tt wxNOT\_FOUND} if there is no match.
\membersection{wxArrayString::Insert}\label{wxarraystringinsert}
-\func{void}{Insert}{\param{const wxString\& }{str}, \param{size\_t}{ nIndex}}
+\func{void}{Insert}{\param{const wxString\& }{str}, \param{size\_t}{ nIndex}, \param{size\_t }{copies = $1$}}
-Insert a new element in the array before the position {\it nIndex}. Thus, for
+Insert the given number of {\it copies} of the new element in the array before the position {\it nIndex}. Thus, for
example, to insert the string in the beginning of the array you would write
\begin{verbatim}
Insert("foo", 0);
\end{verbatim}
-If {\it nIndex} is equal to {\it GetCount() + 1} this function behaves as
+If {\it nIndex} is equal to {\it GetCount()} this function behaves as
\helpref{Add}{wxarraystringadd}.
+{\bf Warning:} this function should not be used with sorted arrays because it
+could break the order of items and, for example, subsequent calls to
+\helpref{Index()}{wxarraystringindex} would then not work!
+
\membersection{wxArrayString::IsEmpty}\label{wxarraystringisempty}
-\func{}{IsEmpty}{}
+\func{bool}{IsEmpty}{}
-Returns TRUE if the array is empty, FALSE otherwise. This function returns the
+Returns true if the array is empty, false otherwise. This function returns the
same result as {\it GetCount() == 0} but is probably easier to read.
\membersection{wxArrayString::Item}\label{wxarraystringitem}
\membersection{wxArrayString::Last}\label{wxarraystringlast}
-\func{}{Last}{}
+\func{wxString&}{Last}{}
Returns the last element of the array. Attempt to access the last element of
an empty array will result in assert failure in debug build, however no checks
are done in release mode.
-\membersection{wxArrayString::Remove (by value)}\label{wxarraystringremoveval}
+\membersection{wxArrayString::Remove}\label{wxarraystringremove}
-\func{void}{Remove}{\param{const char *}{ sz}}
+\func{void}{Remove}{\param{const wxChar *}{ sz}}
Removes the first item matching this value. An assert failure is provoked by
an attempt to remove an element which does not exist in debug build.
-See also: \helpref{Index}{wxarraystringindex}, \helpref{Remove}{wxarraystringremove}
+See also: \helpref{Index}{wxarraystringindex}
-\membersection{wxArrayString::Remove (by index)}\label{wxarraystringremove}
+\membersection{wxArrayString::RemoveAt}\label{wxarraystringremoveat}
-\func{void}{Remove}{\param{size\_t }{nIndex}}
+\func{void}{RemoveAt}{\param{size\_t }{nIndex}, \param{size\_t }{count = $1$}}
-Removes the item at given position.
-
-See also: \helpref{Remove}{wxarraystringremoveval}
+Removes {\it count} items starting at position {\it nIndex} from the array.
\membersection{wxArrayString::Shrink}\label{wxarraystringshrink}
See also: \helpref{Alloc}{wxarraystringalloc}, \helpref{Dynamic array memory management}{wxarraymemorymanagement}
-\membersection{wxArrayString::Sort (alphabetically)}\label{wxarraystringsort}
-
-\func{void}{Sort}{\param{bool}{ reverseOrder = FALSE}}
+\membersection{wxArrayString::Sort}\label{wxarraystringsort}
-Sorts the array in alphabetical order or in reverse alphabetical order if
-{\it reverseOrder} is TRUE.
+\func{void}{Sort}{\param{bool}{ reverseOrder = false}}
-See also: \helpref{Sort}{wxarraystringsortcallback}
+Sorts the array in alphabetical order or in reverse alphabetical order if
+{\it reverseOrder} is true. The sort is case-sensitive.
-\membersection{wxArrayString::Sort (user defined)}\label{wxarraystringsortcallback}
+{\bf Warning:} this function should not be used with sorted array because it
+could break the order of items and, for example, subsequent calls to
+\helpref{Index()}{wxarraystringindex} would then not work!
\func{void}{Sort}{\param{CompareFunction }{compareFunction}}
Sorts the array using the specified {\it compareFunction} for item comparison.
{\it CompareFunction} is defined as a function taking two {\it const
-wxString\&} parameters and returning {\it int} value less than, equal to or
+wxString\&} parameters and returning an {\it int} value less than, equal to or
greater than 0 if the first string is less than, equal to or greater than the
second one.
array.Sort(CompareStringLen);
\end{verbatim}
-See also: \helpref{Sort}{wxarraystringsort}
+{\bf Warning:} this function should not be used with sorted array because it
+could break the order of items and, for example, subsequent calls to
+\helpref{Index()}{wxarraystringindex} would then not work!
projects / wxWidgets.git / blobdiff