mirror of https://github.com/PCSX2/pcsx2.git
378 lines
14 KiB
C++
378 lines
14 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: include/wx/arrstr.h
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// Purpose: wxArrayString class
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// Author: Mattia Barbon and Vadim Zeitlin
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// Modified by:
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// Created: 07/07/03
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// RCS-ID: $Id: arrstr.h 56758 2008-11-13 22:32:21Z VS $
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// Copyright: (c) 2003 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_ARRSTR_H
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#define _WX_ARRSTR_H
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#include "wx/defs.h"
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#include "wx/string.h"
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WXDLLIMPEXP_BASE int wxCMPFUNC_CONV wxStringSortAscending(wxString*, wxString*);
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WXDLLIMPEXP_BASE int wxCMPFUNC_CONV wxStringSortDescending(wxString*, wxString*);
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#if wxUSE_STL
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#include "wx/dynarray.h"
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typedef int (wxCMPFUNC_CONV *CMPFUNCwxString)(wxString*, wxString*);
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typedef wxString _wxArraywxBaseArrayStringBase;
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_WX_DECLARE_BASEARRAY_2(_wxArraywxBaseArrayStringBase, wxBaseArrayStringBase,
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wxArray_SortFunction<wxString>,
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class WXDLLIMPEXP_BASE);
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WX_DEFINE_USER_EXPORTED_TYPEARRAY(wxString, wxArrayStringBase,
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wxBaseArrayStringBase, WXDLLIMPEXP_BASE);
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_WX_DEFINE_SORTED_TYPEARRAY_2(wxString, wxSortedArrayStringBase,
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wxBaseArrayStringBase, = wxStringSortAscending,
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class WXDLLIMPEXP_BASE, CMPFUNCwxString);
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class WXDLLIMPEXP_BASE wxArrayString : public wxArrayStringBase
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{
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public:
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// type of function used by wxArrayString::Sort()
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typedef int (wxCMPFUNC_CONV *CompareFunction)(const wxString& first,
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const wxString& second);
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wxArrayString() { }
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wxArrayString(const wxArrayString& a) : wxArrayStringBase(a) { }
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wxArrayString(size_t sz, const wxChar** a);
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wxArrayString(size_t sz, const wxString* a);
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int Index(const wxChar* sz, bool bCase = true, bool bFromEnd = false) const;
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void Sort(bool reverseOrder = false);
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void Sort(CompareFunction function);
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void Sort(CMPFUNCwxString function) { wxArrayStringBase::Sort(function); }
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size_t Add(const wxString& string, size_t copies = 1)
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{
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wxArrayStringBase::Add(string, copies);
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return size() - copies;
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}
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};
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class WXDLLIMPEXP_BASE wxSortedArrayString : public wxSortedArrayStringBase
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{
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public:
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wxSortedArrayString() : wxSortedArrayStringBase(wxStringSortAscending)
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{ }
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wxSortedArrayString(const wxSortedArrayString& array)
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: wxSortedArrayStringBase(array)
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{ }
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wxSortedArrayString(const wxArrayString& src)
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: wxSortedArrayStringBase(wxStringSortAscending)
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{
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reserve(src.size());
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for ( size_t n = 0; n < src.size(); n++ )
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Add(src[n]);
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}
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int Index(const wxChar* sz, bool bCase = true, bool bFromEnd = false) const;
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};
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#else // if !wxUSE_STL
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// ----------------------------------------------------------------------------
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// The string array uses it's knowledge of internal structure of the wxString
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// class to optimize string storage. Normally, we would store pointers to
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// string, but as wxString is, in fact, itself a pointer (sizeof(wxString) is
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// sizeof(char *)) we store these pointers instead. The cast to "wxString *" is
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// really all we need to turn such pointer into a string!
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//
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// Of course, it can be called a dirty hack, but we use twice less memory and
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// this approach is also more speed efficient, so it's probably worth it.
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//
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// Usage notes: when a string is added/inserted, a new copy of it is created,
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// so the original string may be safely deleted. When a string is retrieved
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// from the array (operator[] or Item() method), a reference is returned.
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_BASE wxArrayString
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{
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public:
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// type of function used by wxArrayString::Sort()
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typedef int (wxCMPFUNC_CONV *CompareFunction)(const wxString& first,
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const wxString& second);
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// type of function used by wxArrayString::Sort(), for compatibility with
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// wxArray
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typedef int (wxCMPFUNC_CONV *CompareFunction2)(wxString* first,
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wxString* second);
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// constructors and destructor
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// default ctor
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wxArrayString() { Init(false); }
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// if autoSort is true, the array is always sorted (in alphabetical order)
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//
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// NB: the reason for using int and not bool is that like this we can avoid
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// using this ctor for implicit conversions from "const char *" (which
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// we'd like to be implicitly converted to wxString instead!)
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//
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// of course, using explicit would be even better - if all compilers
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// supported it...
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wxArrayString(int autoSort) { Init(autoSort != 0); }
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// C string array ctor
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wxArrayString(size_t sz, const wxChar** a);
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// wxString string array ctor
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wxArrayString(size_t sz, const wxString* a);
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// copy ctor
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wxArrayString(const wxArrayString& array);
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// assignment operator
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wxArrayString& operator=(const wxArrayString& src);
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// not virtual, this class should not be derived from
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~wxArrayString();
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// memory management
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// empties the list, but doesn't release memory
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void Empty();
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// empties the list and releases memory
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void Clear();
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// preallocates memory for given number of items
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void Alloc(size_t nCount);
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// minimzes the memory usage (by freeing all extra memory)
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void Shrink();
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// simple accessors
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// number of elements in the array
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size_t GetCount() const { return m_nCount; }
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// is it empty?
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bool IsEmpty() const { return m_nCount == 0; }
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// number of elements in the array (GetCount is preferred API)
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size_t Count() const { return m_nCount; }
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// items access (range checking is done in debug version)
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// get item at position uiIndex
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wxString& Item(size_t nIndex) const
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{
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wxASSERT_MSG( nIndex < m_nCount,
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_T("wxArrayString: index out of bounds") );
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return *(wxString *)&(m_pItems[nIndex]);
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}
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// same as Item()
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wxString& operator[](size_t nIndex) const { return Item(nIndex); }
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// get last item
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wxString& Last() const
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{
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wxASSERT_MSG( !IsEmpty(),
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_T("wxArrayString: index out of bounds") );
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return Item(Count() - 1);
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}
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// return a wxString[], useful for the controls which
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// take one in their ctor. You must delete[] it yourself
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// once you are done with it. Will return NULL if the
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// ArrayString was empty.
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#if WXWIN_COMPATIBILITY_2_4
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wxDEPRECATED( wxString* GetStringArray() const );
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#endif
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// item management
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// Search the element in the array, starting from the beginning if
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// bFromEnd is false or from end otherwise. If bCase, comparison is case
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// sensitive (default). Returns index of the first item matched or
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// wxNOT_FOUND
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int Index (const wxChar *sz, bool bCase = true, bool bFromEnd = false) const;
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// add new element at the end (if the array is not sorted), return its
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// index
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size_t Add(const wxString& str, size_t nInsert = 1);
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// add new element at given position
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void Insert(const wxString& str, size_t uiIndex, size_t nInsert = 1);
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// expand the array to have count elements
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void SetCount(size_t count);
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// remove first item matching this value
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void Remove(const wxChar *sz);
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// remove item by index
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#if WXWIN_COMPATIBILITY_2_4
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wxDEPRECATED( void Remove(size_t nIndex, size_t nRemove = 1) );
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#endif
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void RemoveAt(size_t nIndex, size_t nRemove = 1);
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// sorting
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// sort array elements in alphabetical order (or reversed alphabetical
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// order if reverseOrder parameter is true)
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void Sort(bool reverseOrder = false);
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// sort array elements using specified comparaison function
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void Sort(CompareFunction compareFunction);
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void Sort(CompareFunction2 compareFunction);
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// comparison
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// compare two arrays case sensitively
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bool operator==(const wxArrayString& a) const;
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// compare two arrays case sensitively
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bool operator!=(const wxArrayString& a) const { return !(*this == a); }
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// STL-like interface
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typedef wxString value_type;
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typedef value_type* pointer;
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typedef const value_type* const_pointer;
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typedef value_type* iterator;
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typedef const value_type* const_iterator;
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typedef value_type& reference;
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typedef const value_type& const_reference;
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typedef int difference_type;
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typedef size_t size_type;
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// TODO: this code duplicates the one in dynarray.h
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class reverse_iterator
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{
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typedef wxString value_type;
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typedef value_type* pointer;
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typedef value_type& reference;
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typedef reverse_iterator itor;
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friend itor operator+(int o, const itor& it);
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friend itor operator+(const itor& it, int o);
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friend itor operator-(const itor& it, int o);
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friend difference_type operator -(const itor& i1, const itor& i2);
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public:
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pointer m_ptr;
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reverse_iterator() : m_ptr(NULL) { }
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reverse_iterator(pointer ptr) : m_ptr(ptr) { }
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reverse_iterator(const itor& it) : m_ptr(it.m_ptr) { }
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reference operator*() const { return *m_ptr; }
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pointer operator->() const { return m_ptr; }
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itor& operator++() { --m_ptr; return *this; }
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const itor operator++(int)
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{ reverse_iterator tmp = *this; --m_ptr; return tmp; }
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itor& operator--() { ++m_ptr; return *this; }
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const itor operator--(int) { itor tmp = *this; ++m_ptr; return tmp; }
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bool operator ==(const itor& it) const { return m_ptr == it.m_ptr; }
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bool operator !=(const itor& it) const { return m_ptr != it.m_ptr; }
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};
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class const_reverse_iterator
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{
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typedef wxString value_type;
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typedef const value_type* pointer;
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typedef const value_type& reference;
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typedef const_reverse_iterator itor;
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friend itor operator+(int o, const itor& it);
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friend itor operator+(const itor& it, int o);
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friend itor operator-(const itor& it, int o);
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friend difference_type operator -(const itor& i1, const itor& i2);
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public:
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pointer m_ptr;
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const_reverse_iterator() : m_ptr(NULL) { }
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const_reverse_iterator(pointer ptr) : m_ptr(ptr) { }
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const_reverse_iterator(const itor& it) : m_ptr(it.m_ptr) { }
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const_reverse_iterator(const reverse_iterator& it) : m_ptr(it.m_ptr) { }
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reference operator*() const { return *m_ptr; }
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pointer operator->() const { return m_ptr; }
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itor& operator++() { --m_ptr; return *this; }
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const itor operator++(int)
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{ itor tmp = *this; --m_ptr; return tmp; }
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itor& operator--() { ++m_ptr; return *this; }
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const itor operator--(int) { itor tmp = *this; ++m_ptr; return tmp; }
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bool operator ==(const itor& it) const { return m_ptr == it.m_ptr; }
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bool operator !=(const itor& it) const { return m_ptr != it.m_ptr; }
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};
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wxArrayString(const_iterator first, const_iterator last)
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{ Init(false); assign(first, last); }
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wxArrayString(size_type n, const_reference v) { Init(false); assign(n, v); }
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void assign(const_iterator first, const_iterator last);
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void assign(size_type n, const_reference v)
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{ clear(); Add(v, n); }
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reference back() { return *(end() - 1); }
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const_reference back() const { return *(end() - 1); }
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iterator begin() { return (wxString *)&(m_pItems[0]); }
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const_iterator begin() const { return (wxString *)&(m_pItems[0]); }
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size_type capacity() const { return m_nSize; }
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void clear() { Clear(); }
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bool empty() const { return IsEmpty(); }
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iterator end() { return begin() + GetCount(); }
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const_iterator end() const { return begin() + GetCount(); }
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iterator erase(iterator first, iterator last)
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{
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size_t idx = first - begin();
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RemoveAt(idx, last - first);
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return begin() + idx;
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}
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iterator erase(iterator it) { return erase(it, it + 1); }
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reference front() { return *begin(); }
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const_reference front() const { return *begin(); }
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void insert(iterator it, size_type n, const_reference v)
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{ Insert(v, it - begin(), n); }
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iterator insert(iterator it, const_reference v = value_type())
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{ size_t idx = it - begin(); Insert(v, idx); return begin() + idx; }
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void insert(iterator it, const_iterator first, const_iterator last);
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size_type max_size() const { return INT_MAX; }
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void pop_back() { RemoveAt(GetCount() - 1); }
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void push_back(const_reference v) { Add(v); }
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reverse_iterator rbegin() { return reverse_iterator(end() - 1); }
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const_reverse_iterator rbegin() const;
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reverse_iterator rend() { return reverse_iterator(begin() - 1); }
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const_reverse_iterator rend() const;
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void reserve(size_type n) /* base::reserve*/;
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void resize(size_type n, value_type v = value_type());
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size_type size() const { return GetCount(); }
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protected:
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void Init(bool autoSort); // common part of all ctors
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void Copy(const wxArrayString& src); // copies the contents of another array
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private:
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void Grow(size_t nIncrement = 0); // makes array bigger if needed
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void Free(); // free all the strings stored
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void DoSort(); // common part of all Sort() variants
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size_t m_nSize, // current size of the array
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m_nCount; // current number of elements
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wxChar **m_pItems; // pointer to data
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bool m_autoSort; // if true, keep the array always sorted
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};
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class WXDLLIMPEXP_BASE wxSortedArrayString : public wxArrayString
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{
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public:
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wxSortedArrayString() : wxArrayString(true)
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{ }
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wxSortedArrayString(const wxArrayString& array) : wxArrayString(true)
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{ Copy(array); }
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};
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#endif // !wxUSE_STL
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// this class provides a temporary wxString* from a
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// wxArrayString
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class WXDLLIMPEXP_BASE wxCArrayString
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{
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public:
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wxCArrayString( const wxArrayString& array )
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: m_array( array ), m_strings( NULL )
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{ }
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~wxCArrayString() { delete[] m_strings; }
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size_t GetCount() const { return m_array.GetCount(); }
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wxString* GetStrings()
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{
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if( m_strings ) return m_strings;
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size_t count = m_array.GetCount();
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m_strings = new wxString[count];
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for( size_t i = 0; i < count; ++i )
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m_strings[i] = m_array[i];
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return m_strings;
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}
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#if wxABI_VERSION >= 20810
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wxString* Release();
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#endif // wxABI_VERSION >= 20810
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private:
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const wxArrayString& m_array;
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wxString* m_strings;
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};
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#endif
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