///////////////////////////////////////////////////////////////////////////////
-// Name: dynarray.cpp
+// Name: src/common/dynarray.cpp
// Purpose: implementation of wxBaseArray class
// Author: Vadim Zeitlin
// Modified by:
// Created: 12.09.97
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWindows license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ============================================================================
-#ifdef __GNUG__
-#pragma implementation "dynarray.h"
-#endif
-
+// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
- #pragma hdrstop
+ #pragma hdrstop
#endif
-#include "wx/dynarray.h"
-#include "wx/intl.h"
+#ifndef WX_PRECOMP
+ #include "wx/dynarray.h"
+ #include "wx/intl.h"
+#endif //WX_PRECOMP
#include <stdlib.h>
#include <string.h> // for memmove
-#ifndef max
- #define max(a, b) (((a) > (b)) ? (a) : (b))
-#endif
+#if !wxUSE_STD_CONTAINERS
+
+// we cast the value to long from which we cast it to void * in IndexForInsert:
+// this can't work if the pointers are not big enough
+wxCOMPILE_TIME_ASSERT( sizeof(wxUIntPtr) <= sizeof(void *),
+ wxArraySizeOfPtrLessSizeOfLong ); // < 32 symbols
// ============================================================================
// constants
// ============================================================================
// ----------------------------------------------------------------------------
-// wxBaseArray - dynamice array of 'long's
+// wxBaseArray - dynamic array of 'T's
// ----------------------------------------------------------------------------
-// ctor
-wxBaseArray::wxBaseArray()
-{
- m_nSize =
- m_nCount = 0;
- m_pItems = (long *) NULL;
-}
-
-// copy ctor
-wxBaseArray::wxBaseArray(const wxBaseArray& src)
-{
- m_nSize = // not src.m_nSize to save memory
- m_nCount = src.m_nCount;
-
- if ( m_nSize != 0 ) {
- m_pItems = new long[m_nSize];
- memcpy(m_pItems, src.m_pItems, m_nCount*sizeof(long));
- }
- else
- m_pItems = (long *) NULL;
+#define _WX_DEFINE_BASEARRAY(T, name) \
+/* searches the array for an item (forward or backwards) */ \
+int name::Index(T lItem, bool bFromEnd) const \
+{ \
+ if ( bFromEnd ) { \
+ if ( size() > 0 ) { \
+ size_t n = size(); \
+ do { \
+ if ( (*this)[--n] == lItem ) \
+ return n; \
+ } \
+ while ( n != 0 ); \
+ } \
+ } \
+ else { \
+ for( size_t n = 0; n < size(); n++ ) { \
+ if( (*this)[n] == lItem ) \
+ return n; \
+ } \
+ } \
+ \
+ return wxNOT_FOUND; \
+} \
+ \
+/* add item assuming the array is sorted with fnCompare function */ \
+size_t name::Add(T lItem, CMPFUNC fnCompare) \
+{ \
+ size_t idx = IndexForInsert(lItem, fnCompare); \
+ Insert(lItem, idx); \
+ return idx; \
+} \
+ \
+/* ctor */ \
+name::name() \
+{ \
+ m_nSize = \
+ m_nCount = 0; \
+ m_pItems = NULL; \
+} \
+ \
+/* copy ctor */ \
+name::name(const name& src) \
+{ \
+ m_nSize = /* not src.m_nSize to save memory */ \
+ m_nCount = src.m_nCount; \
+ \
+ if ( m_nSize != 0 ) { \
+ m_pItems = new T[m_nSize]; \
+ /* only copy if allocation succeeded */ \
+ if ( m_pItems ) { \
+ memcpy(m_pItems, src.m_pItems, m_nCount*sizeof(T)); \
+ } \
+ else { \
+ m_nSize = 0; \
+ } \
+ } \
+ else \
+ m_pItems = NULL; \
+} \
+ \
+/* assignment operator */ \
+name& name::operator=(const name& src) \
+{ \
+ wxDELETEA(m_pItems); \
+ \
+ m_nSize = /* not src.m_nSize to save memory */ \
+ m_nCount = src.m_nCount; \
+ \
+ if ( m_nSize != 0 ){ \
+ m_pItems = new T[m_nSize]; \
+ /* only copy if allocation succeeded */ \
+ if ( m_pItems ) { \
+ memcpy(m_pItems, src.m_pItems, m_nCount*sizeof(T)); \
+ } \
+ else { \
+ m_nSize = 0; \
+ } \
+ } \
+ else \
+ m_pItems = NULL; \
+ \
+ return *this; \
+} \
+ \
+/* allocate new buffer of the given size and move our data to it */ \
+bool name::Realloc(size_t nSize) \
+{ \
+ T *pNew = new T[nSize]; \
+ /* only grow if allocation succeeded */ \
+ if ( !pNew ) \
+ return false; \
+ \
+ m_nSize = nSize; \
+ /* copy data to new location */ \
+ memcpy(pNew, m_pItems, m_nCount*sizeof(T)); \
+ delete [] m_pItems; \
+ m_pItems = pNew; \
+ \
+ return true; \
+} \
+ \
+/* grow the array */ \
+void name::Grow(size_t nIncrement) \
+{ \
+ /* only do it if no more place */ \
+ if( (m_nCount == m_nSize) || ((m_nSize - m_nCount) < nIncrement) ) { \
+ if( m_nSize == 0 ) { \
+ /* was empty, determine initial size */ \
+ size_t size = WX_ARRAY_DEFAULT_INITIAL_SIZE; \
+ if (size < nIncrement) size = nIncrement; \
+ /* allocate some memory */ \
+ m_pItems = new T[size]; \
+ /* only grow if allocation succeeded */ \
+ if ( m_pItems ) { \
+ m_nSize = size; \
+ } \
+ } \
+ else \
+ { \
+ /* add at least 50% but not too much */ \
+ size_t ndefIncrement = m_nSize < WX_ARRAY_DEFAULT_INITIAL_SIZE \
+ ? WX_ARRAY_DEFAULT_INITIAL_SIZE : m_nSize >> 1; \
+ if ( ndefIncrement > ARRAY_MAXSIZE_INCREMENT ) \
+ ndefIncrement = ARRAY_MAXSIZE_INCREMENT; \
+ if ( nIncrement < ndefIncrement ) \
+ nIncrement = ndefIncrement; \
+ Realloc(m_nSize + nIncrement); \
+ } \
+ } \
+} \
+ \
+/* make sure that the array has at least count elements */ \
+void name::SetCount(size_t count, T defval) \
+{ \
+ if ( m_nSize < count ) \
+ { \
+ /* need to realloc memory: don't overallocate it here as if */ \
+ /* SetCount() is called, it probably means that the caller */ \
+ /* knows in advance how many elements there will be in the */ \
+ /* array and so it won't be necessary to realloc it later */ \
+ if ( !Realloc(count) ) \
+ { \
+ /* out of memory -- what can we do? */ \
+ return; \
+ } \
+ } \
+ \
+ /* add new elements if we extend the array */ \
+ while ( m_nCount < count ) \
+ { \
+ m_pItems[m_nCount++] = defval; \
+ } \
+} \
+ \
+/* dtor */ \
+name::~name() \
+{ \
+ wxDELETEA(m_pItems); \
+} \
+ \
+/* clears the list */ \
+void name::Clear() \
+{ \
+ m_nSize = \
+ m_nCount = 0; \
+ \
+ wxDELETEA(m_pItems); \
+} \
+ \
+/* minimizes the memory usage by freeing unused memory */ \
+void name::Shrink() \
+{ \
+ /* only do it if we have some memory to free */ \
+ if( m_nCount < m_nSize ) { \
+ /* allocates exactly as much memory as we need */ \
+ T *pNew = new T[m_nCount]; \
+ /* only shrink if allocation succeeded */ \
+ if ( pNew ) { \
+ /* copy data to new location */ \
+ memcpy(pNew, m_pItems, m_nCount*sizeof(T)); \
+ delete [] m_pItems; \
+ m_pItems = pNew; \
+ \
+ /* update the size of the new block */ \
+ m_nSize = m_nCount; \
+ } \
+ /* else: don't do anything, better keep old memory block! */ \
+ } \
+} \
+ \
+/* add item at the end */ \
+void name::Add(T lItem, size_t nInsert) \
+{ \
+ if (nInsert == 0) \
+ return; \
+ Grow(nInsert); \
+ for (size_t i = 0; i < nInsert; i++) \
+ m_pItems[m_nCount++] = lItem; \
+} \
+ \
+/* add item at the given position */ \
+void name::Insert(T lItem, size_t nIndex, size_t nInsert) \
+{ \
+ wxCHECK_RET( nIndex <= m_nCount, wxT("bad index in wxArray::Insert") ); \
+ wxCHECK_RET( m_nCount <= m_nCount + nInsert, \
+ wxT("array size overflow in wxArray::Insert") ); \
+ \
+ if (nInsert == 0) \
+ return; \
+ Grow(nInsert); \
+ \
+ memmove(&m_pItems[nIndex + nInsert], &m_pItems[nIndex], \
+ (m_nCount - nIndex)*sizeof(T)); \
+ for (size_t i = 0; i < nInsert; i++) \
+ m_pItems[nIndex + i] = lItem; \
+ m_nCount += nInsert; \
+} \
+ \
+/* search for a place to insert item into sorted array (binary search) */ \
+size_t name::IndexForInsert(T lItem, CMPFUNC fnCompare) const \
+{ \
+ size_t i, \
+ lo = 0, \
+ hi = m_nCount; \
+ int res; \
+ \
+ while ( lo < hi ) { \
+ i = (lo + hi)/2; \
+ \
+ res = (*fnCompare)((const void *)(wxUIntPtr)lItem, \
+ (const void *)(wxUIntPtr)(m_pItems[i])); \
+ if ( res < 0 ) \
+ hi = i; \
+ else if ( res > 0 ) \
+ lo = i + 1; \
+ else { \
+ lo = i; \
+ break; \
+ } \
+ } \
+ \
+ return lo; \
+} \
+ \
+/* search for an item in a sorted array (binary search) */ \
+int name::Index(T lItem, CMPFUNC fnCompare) const \
+{ \
+ size_t n = IndexForInsert(lItem, fnCompare); \
+ \
+ return (n >= m_nCount || \
+ (*fnCompare)((const void *)(wxUIntPtr)lItem, \
+ ((const void *)(wxUIntPtr)m_pItems[n]))) \
+ ? wxNOT_FOUND \
+ : (int)n; \
+} \
+ \
+/* removes item from array (by index) */ \
+void name::RemoveAt(size_t nIndex, size_t nRemove) \
+{ \
+ wxCHECK_RET( nIndex < m_nCount, wxT("bad index in wxArray::RemoveAt") ); \
+ wxCHECK_RET( nIndex + nRemove <= m_nCount, \
+ wxT("removing too many elements in wxArray::RemoveAt") ); \
+ \
+ memmove(&m_pItems[nIndex], &m_pItems[nIndex + nRemove], \
+ (m_nCount - nIndex - nRemove)*sizeof(T)); \
+ m_nCount -= nRemove; \
+} \
+ \
+/* removes item from array (by value) */ \
+void name::Remove(T lItem) \
+{ \
+ int iIndex = Index(lItem); \
+ \
+ wxCHECK_RET( iIndex != wxNOT_FOUND, \
+ wxT("removing inexistent item in wxArray::Remove") ); \
+ \
+ RemoveAt((size_t)iIndex); \
+} \
+ \
+/* sort array elements using passed comparaison function */ \
+void name::Sort(CMPFUNC fCmp) \
+{ \
+ qsort(m_pItems, m_nCount, sizeof(T), fCmp); \
+} \
+ \
+void name::assign(const_iterator first, const_iterator last) \
+{ \
+ clear(); \
+ reserve(last - first); \
+ for(; first != last; ++first) \
+ push_back(*first); \
+} \
+ \
+void name::assign(size_type n, const_reference v) \
+{ \
+ clear(); \
+ reserve(n); \
+ for( size_type i = 0; i < n; ++i ) \
+ push_back(v); \
+} \
+ \
+void name::insert(iterator it, const_iterator first, const_iterator last) \
+{ \
+ size_t nInsert = last - first, nIndex = it - begin(); \
+ if (nInsert == 0) \
+ return; \
+ Grow(nInsert); \
+ \
+ /* old iterator could have been invalidated by Grow(). */ \
+ it = begin() + nIndex; \
+ \
+ memmove(&m_pItems[nIndex + nInsert], &m_pItems[nIndex], \
+ (m_nCount - nIndex)*sizeof(T)); \
+ for (size_t i = 0; i < nInsert; ++i, ++it, ++first) \
+ *it = *first; \
+ m_nCount += nInsert; \
}
-// assignment operator
-wxBaseArray& wxBaseArray::operator=(const wxBaseArray& src)
-{
-#if 0
- wxDELETEA(m_pItems);
-#else
- if ( (m_pItems)) {
- delete (m_pItems);
- (m_pItems) = 0;
- }
+#ifdef __INTELC__
+ #pragma warning(push)
+ #pragma warning(disable: 1684)
+ #pragma warning(disable: 1572)
#endif
- m_nSize = // not src.m_nSize to save memory
- m_nCount = src.m_nCount;
+_WX_DEFINE_BASEARRAY(const void *, wxBaseArrayPtrVoid)
+_WX_DEFINE_BASEARRAY(char, wxBaseArrayChar)
+_WX_DEFINE_BASEARRAY(short, wxBaseArrayShort)
+_WX_DEFINE_BASEARRAY(int, wxBaseArrayInt)
+_WX_DEFINE_BASEARRAY(long, wxBaseArrayLong)
+_WX_DEFINE_BASEARRAY(size_t, wxBaseArraySizeT)
+_WX_DEFINE_BASEARRAY(double, wxBaseArrayDouble)
- if ( m_nSize != 0 ) {
- m_pItems = new long[m_nSize];
- memcpy(m_pItems, src.m_pItems, m_nCount*sizeof(long));
- }
- else
- m_pItems = (long *) NULL;
+#ifdef __INTELC__
+ #pragma warning(pop)
+#endif
- return *this;
-}
+#else // wxUSE_STD_CONTAINERS
-// grow the array
-void wxBaseArray::Grow()
-{
- // only do it if no more place
- if( m_nCount == m_nSize ) {
- if( m_nSize == 0 ) {
- // was empty, alloc some memory
- m_nSize = WX_ARRAY_DEFAULT_INITIAL_SIZE;
- m_pItems = new long[m_nSize];
- }
- else
- {
- // add 50% but not too much
- size_t nIncrement = m_nSize < WX_ARRAY_DEFAULT_INITIAL_SIZE
- ? WX_ARRAY_DEFAULT_INITIAL_SIZE : m_nSize >> 1;
- if ( nIncrement > ARRAY_MAXSIZE_INCREMENT )
- nIncrement = ARRAY_MAXSIZE_INCREMENT;
- m_nSize += nIncrement;
- long *pNew = new long[m_nSize];
-
- // copy data to new location
- memcpy(pNew, m_pItems, m_nCount*sizeof(long));
- delete [] m_pItems;
- m_pItems = pNew;
- }
- }
-}
+#include "wx/arrstr.h"
-// dtor
-wxBaseArray::~wxBaseArray()
-{
- wxDELETEA(m_pItems);
-}
+#include "wx/beforestd.h"
+#include <functional>
+#include "wx/afterstd.h"
-// clears the list
-void wxBaseArray::Clear()
+// some compilers (Sun CC being the only known example) distinguish between
+// extern "C" functions and the functions with C++ linkage and ptr_fun and
+// wxStringCompareLess can't take wxStrcmp/wxStricmp directly as arguments in
+// this case, we need the wrappers below to make this work
+struct wxStringCmp
{
- m_nSize =
- m_nCount = 0;
+ typedef wxString first_argument_type;
+ typedef wxString second_argument_type;
+ typedef int result_type;
- wxDELETEA(m_pItems);
-}
+ int operator()(const wxString& s1, const wxString& s2) const
+ {
+ return s1.compare(s2);
+ }
+};
-// pre-allocates memory (frees the previous data!)
-void wxBaseArray::Alloc(size_t nSize)
+struct wxStringCmpNoCase
{
- wxASSERT( nSize > 0 );
-
- // only if old buffer was not big enough
- if ( nSize > m_nSize ) {
- wxDELETEA(m_pItems);
- m_pItems = new long[nSize];
- m_nSize = nSize;
- }
+ typedef wxString first_argument_type;
+ typedef wxString second_argument_type;
+ typedef int result_type;
- m_nCount = 0;
-}
+ int operator()(const wxString& s1, const wxString& s2) const
+ {
+ return s1.CmpNoCase(s2);
+ }
+};
-// minimizes the memory usage by freeing unused memory
-void wxBaseArray::Shrink()
+int wxArrayString::Index(const wxString& str, bool bCase, bool WXUNUSED(bFromEnd)) const
{
- // only do it if we have some memory to free
- if( m_nCount < m_nSize ) {
- // allocates exactly as much memory as we need
- long *pNew = new long[m_nCount];
-
- // copy data to new location
- memcpy(pNew, m_pItems, m_nCount*sizeof(long));
- delete [] m_pItems;
- m_pItems = pNew;
- }
-}
+ wxArrayString::const_iterator it;
-// searches the array for an item (forward or backwards)
-int wxBaseArray::Index(long lItem, bool bFromEnd) const
-{
- if ( bFromEnd ) {
- if ( m_nCount > 0 ) {
- size_t n = m_nCount;
- do {
- if ( m_pItems[--n] == lItem )
- return n;
- }
- while ( n != 0 );
+ if (bCase)
+ {
+ it = std::find_if(begin(), end(),
+ std::not1(
+ std::bind2nd(
+ wxStringCmp(), str)));
}
- }
- else {
- for( size_t n = 0; n < m_nCount; n++ ) {
- if( m_pItems[n] == lItem )
- return n;
+ else // !bCase
+ {
+ it = std::find_if(begin(), end(),
+ std::not1(
+ std::bind2nd(
+ wxStringCmpNoCase(), str)));
}
- }
- return wxNOT_FOUND;
+ return it == end() ? wxNOT_FOUND : it - begin();
}
-// search for an item in a sorted array (binary search)
-int wxBaseArray::Index(long lItem, CMPFUNC fnCompare) const
+template<class F>
+class wxStringCompareLess
{
- size_t i,
- lo = 0,
- hi = m_nCount;
- int res;
-
- while ( lo < hi ) {
- i = (lo + hi)/2;
-
- res = (*fnCompare)((const void *)lItem, (const void *)m_pItems[i]);
- if ( res < 0 )
- hi = i;
- else if ( res > 0 )
- lo = i + 1;
- else
- return i;
- }
-
- return wxNOT_FOUND;
-}
-// add item at the end
-void wxBaseArray::Add(long lItem)
+public:
+ wxStringCompareLess(F f) : m_f(f) { }
+ bool operator()(const wxString& s1, const wxString& s2)
+ { return m_f(s1, s2) < 0; }
+private:
+ F m_f;
+};
+
+template<class F>
+wxStringCompareLess<F> wxStringCompare(F f)
{
- Grow();
- m_pItems[m_nCount++] = lItem;
+ return wxStringCompareLess<F>(f);
}
-// add item assuming the array is sorted with fnCompare function
-void wxBaseArray::Add(long lItem, CMPFUNC fnCompare)
+void wxArrayString::Sort(CompareFunction function)
{
- size_t i,
- lo = 0,
- hi = m_nCount;
- int res;
-
- while ( lo < hi ) {
- i = (lo + hi)/2;
-
- res = (*fnCompare)((const void *)lItem, (const void *)m_pItems[i]);
- if ( res < 0 )
- hi = i;
- else if ( res > 0 )
- lo = i + 1;
- else {
- lo = hi = i;
- break;
- }
- }
-
- wxASSERT( lo == hi ); // I hope I got binary search right :-)
-
- Insert(lItem, lo);
+ std::sort(begin(), end(), wxStringCompare(function));
}
-// add item at the given position
-void wxBaseArray::Insert(long lItem, size_t nIndex)
+void wxArrayString::Sort(bool reverseOrder)
{
- wxCHECK_RET( nIndex <= m_nCount, wxT("bad index in wxArray::Insert") );
-
- Grow();
-
- memmove(&m_pItems[nIndex + 1], &m_pItems[nIndex],
- (m_nCount - nIndex)*sizeof(long));
- m_pItems[nIndex] = lItem;
- m_nCount++;
+ if (reverseOrder)
+ {
+ std::sort(begin(), end(), std::greater<wxString>());
+ }
+ else
+ {
+ std::sort(begin(), end());
+ }
}
-// removes item from array (by index)
-void wxBaseArray::RemoveAt(size_t nIndex)
+int wxSortedArrayString::Index(const wxString& str,
+ bool WXUNUSED_UNLESS_DEBUG(bCase),
+ bool WXUNUSED_UNLESS_DEBUG(bFromEnd)) const
{
- wxCHECK_RET( nIndex <= m_nCount, wxT("bad index in wxArray::RemoveAt") );
-
- memmove(&m_pItems[nIndex], &m_pItems[nIndex + 1],
- (m_nCount - nIndex - 1)*sizeof(long));
- m_nCount--;
-}
+ wxASSERT_MSG( bCase && !bFromEnd,
+ "search parameters ignored for sorted array" );
-// removes item from array (by value)
-void wxBaseArray::Remove(long lItem)
-{
- int iIndex = Index(lItem);
+ wxSortedArrayString::const_iterator
+ it = std::lower_bound(begin(), end(), str, wxStringCompare(wxStringCmp()));
- wxCHECK_RET( iIndex != wxNOT_FOUND,
- wxT("removing inexistent item in wxArray::Remove") );
+ if ( it == end() || str.Cmp(*it) != 0 )
+ return wxNOT_FOUND;
- RemoveAt((size_t)iIndex);
+ return it - begin();
}
-// sort array elements using passed comparaison function
-void wxBaseArray::Sort(CMPFUNC fCmp)
-{
- qsort(m_pItems, m_nCount, sizeof(long), fCmp);
-}
+#endif // !wxUSE_STD_CONTAINERS/wxUSE_STD_CONTAINERS
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