-
-int wxString::sprintf(const wxChar *pszFormat, ...)
- {
- va_list argptr;
- va_start(argptr, pszFormat);
- int iLen = PrintfV(pszFormat, argptr);
- va_end(argptr);
- return iLen;
- }
-
-// ============================================================================
-// ArrayString
-// ============================================================================
-
-#include "wx/arrstr.h"
-
-wxArrayString::wxArrayString(size_t sz, const wxChar** a)
-{
-#if !wxUSE_STL
- Init(false);
-#endif
- for (size_t i=0; i < sz; i++)
- Add(a[i]);
-}
-
-wxArrayString::wxArrayString(size_t sz, const wxString* a)
-{
-#if !wxUSE_STL
- Init(false);
-#endif
- for (size_t i=0; i < sz; i++)
- Add(a[i]);
-}
-
-#if !wxUSE_STL
-
-// size increment = min(50% of current size, ARRAY_MAXSIZE_INCREMENT)
-#define ARRAY_MAXSIZE_INCREMENT 4096
-
-#ifndef ARRAY_DEFAULT_INITIAL_SIZE // also defined in dynarray.h
-#define ARRAY_DEFAULT_INITIAL_SIZE (16)
-#endif
-
-#define STRING(p) ((wxString *)(&(p)))
-
-// ctor
-void wxArrayString::Init(bool autoSort)
-{
- m_nSize =
- m_nCount = 0;
- m_pItems = (wxChar **) NULL;
- m_autoSort = autoSort;
-}
-
-// copy ctor
-wxArrayString::wxArrayString(const wxArrayString& src)
-{
- Init(src.m_autoSort);
-
- *this = src;
-}
-
-// assignment operator
-wxArrayString& wxArrayString::operator=(const wxArrayString& src)
-{
- if ( m_nSize > 0 )
- Clear();
-
- Copy(src);
-
- m_autoSort = src.m_autoSort;
-
- return *this;
-}
-
-void wxArrayString::Copy(const wxArrayString& src)
-{
- if ( src.m_nCount > ARRAY_DEFAULT_INITIAL_SIZE )
- Alloc(src.m_nCount);
-
- for ( size_t n = 0; n < src.m_nCount; n++ )
- Add(src[n]);
-}
-
-// grow the array
-void wxArrayString::Grow(size_t nIncrement)
-{
- // only do it if no more place
- if ( (m_nSize - m_nCount) < nIncrement ) {
- // if ARRAY_DEFAULT_INITIAL_SIZE were set to 0, the initially empty would
- // be never resized!
- #if ARRAY_DEFAULT_INITIAL_SIZE == 0
- #error "ARRAY_DEFAULT_INITIAL_SIZE must be > 0!"
- #endif
-
- if ( m_nSize == 0 ) {
- // was empty, alloc some memory
- m_nSize = ARRAY_DEFAULT_INITIAL_SIZE;
- if (m_nSize < nIncrement)
- m_nSize = nIncrement;
- m_pItems = new wxChar *[m_nSize];
- }
- else {
- // otherwise when it's called for the first time, nIncrement would be 0
- // and the array would never be expanded
- // add 50% but not too much
- size_t ndefIncrement = m_nSize < ARRAY_DEFAULT_INITIAL_SIZE
- ? ARRAY_DEFAULT_INITIAL_SIZE : m_nSize >> 1;
- if ( ndefIncrement > ARRAY_MAXSIZE_INCREMENT )
- ndefIncrement = ARRAY_MAXSIZE_INCREMENT;
- if ( nIncrement < ndefIncrement )
- nIncrement = ndefIncrement;
- m_nSize += nIncrement;
- wxChar **pNew = new wxChar *[m_nSize];
-
- // copy data to new location
- memcpy(pNew, m_pItems, m_nCount*sizeof(wxChar *));
-
- // delete old memory (but do not release the strings!)
- wxDELETEA(m_pItems);
-
- m_pItems = pNew;
- }
- }
-}
-
-void wxArrayString::Free()
-{
- for ( size_t n = 0; n < m_nCount; n++ ) {
- STRING(m_pItems[n])->GetStringData()->Unlock();
- }
-}
-
-// deletes all the strings from the list
-void wxArrayString::Empty()
-{
- Free();
-
- m_nCount = 0;
-}
-
-// as Empty, but also frees memory
-void wxArrayString::Clear()
-{
- Free();
-
- m_nSize =
- m_nCount = 0;
-
- wxDELETEA(m_pItems);
-}
-
-// dtor
-wxArrayString::~wxArrayString()
-{
- Free();
-
- wxDELETEA(m_pItems);
-}
-
-void wxArrayString::reserve(size_t nSize)
-{
- Alloc(nSize);
-}
-
-// pre-allocates memory (frees the previous data!)
-void wxArrayString::Alloc(size_t nSize)
-{
- // only if old buffer was not big enough
- if ( nSize > m_nSize ) {
- Free();
- wxDELETEA(m_pItems);
- m_pItems = new wxChar *[nSize];
- m_nSize = nSize;
- }
-
- m_nCount = 0;
-}
-
-// minimizes the memory usage by freeing unused memory
-void wxArrayString::Shrink()
-{
- // only do it if we have some memory to free
- if( m_nCount < m_nSize ) {
- // allocates exactly as much memory as we need
- wxChar **pNew = new wxChar *[m_nCount];
-
- // copy data to new location
- memcpy(pNew, m_pItems, m_nCount*sizeof(wxChar *));
- delete [] m_pItems;
- m_pItems = pNew;
- }
-}
-
-#if WXWIN_COMPATIBILITY_2_4
-
-// return a wxString[] as required for some control ctors.
-wxString* wxArrayString::GetStringArray() const
-{
- wxString *array = 0;
-
- if( m_nCount > 0 )
- {
- array = new wxString[m_nCount];
- for( size_t i = 0; i < m_nCount; i++ )
- array[i] = m_pItems[i];
- }
-
- return array;
-}
-
-void wxArrayString::Remove(size_t nIndex, size_t nRemove)
-{
- RemoveAt(nIndex, nRemove);
-}
-
-#endif // WXWIN_COMPATIBILITY_2_4
-
-// searches the array for an item (forward or backwards)
-int wxArrayString::Index(const wxChar *sz, bool bCase, bool bFromEnd) const
-{
- if ( m_autoSort ) {
- // use binary search in the sorted array
- wxASSERT_MSG( bCase && !bFromEnd,
- wxT("search parameters ignored for auto sorted array") );
-
- size_t i,
- lo = 0,
- hi = m_nCount;
- int res;
- while ( lo < hi ) {
- i = (lo + hi)/2;
-
- res = wxStrcmp(sz, m_pItems[i]);
- if ( res < 0 )
- hi = i;
- else if ( res > 0 )
- lo = i + 1;
- else
- return i;
- }
-
- return wxNOT_FOUND;
- }
- else {
- // use linear search in unsorted array
- if ( bFromEnd ) {
- if ( m_nCount > 0 ) {
- size_t ui = m_nCount;
- do {
- if ( STRING(m_pItems[--ui])->IsSameAs(sz, bCase) )
- return ui;
- }
- while ( ui != 0 );
- }
- }
- else {
- for( size_t ui = 0; ui < m_nCount; ui++ ) {
- if( STRING(m_pItems[ui])->IsSameAs(sz, bCase) )
- return ui;
- }
- }
- }
-
- return wxNOT_FOUND;
-}
-
-// add item at the end
-size_t wxArrayString::Add(const wxString& str, size_t nInsert)
-{
- if ( m_autoSort ) {
- // insert the string at the correct position to keep the array sorted
- size_t i,
- lo = 0,
- hi = m_nCount;
- int res;
- while ( lo < hi ) {
- i = (lo + hi)/2;
-
- res = str.Cmp(m_pItems[i]);
- if ( res < 0 )
- hi = i;
- else if ( res > 0 )
- lo = i + 1;
- else {
- lo = hi = i;
- break;
- }
- }
-
- wxASSERT_MSG( lo == hi, wxT("binary search broken") );
-
- Insert(str, lo, nInsert);
-
- return (size_t)lo;
- }
- else {
- wxASSERT( str.GetStringData()->IsValid() );
-
- Grow(nInsert);
-
- for (size_t i = 0; i < nInsert; i++)
- {
- // the string data must not be deleted!
- str.GetStringData()->Lock();
-
- // just append
- m_pItems[m_nCount + i] = (wxChar *)str.c_str(); // const_cast
- }
- size_t ret = m_nCount;
- m_nCount += nInsert;
- return ret;
- }
-}
-
-// add item at the given position
-void wxArrayString::Insert(const wxString& str, size_t nIndex, size_t nInsert)
-{
- wxASSERT( str.GetStringData()->IsValid() );
-
- wxCHECK_RET( nIndex <= m_nCount, wxT("bad index in wxArrayString::Insert") );
- wxCHECK_RET( m_nCount <= m_nCount + nInsert,
- wxT("array size overflow in wxArrayString::Insert") );
-
- Grow(nInsert);
-
- memmove(&m_pItems[nIndex + nInsert], &m_pItems[nIndex],
- (m_nCount - nIndex)*sizeof(wxChar *));
-
- for (size_t i = 0; i < nInsert; i++)
- {
- str.GetStringData()->Lock();
- m_pItems[nIndex + i] = (wxChar *)str.c_str();
- }
- m_nCount += nInsert;
-}
-
-// range insert (STL 23.2.4.3)
-void
-wxArrayString::insert(iterator it, const_iterator first, const_iterator last)
-{
- const int idx = it - begin();
-
- // grow it once
- Grow(last - first);
-
- // reset "it" since it can change inside Grow()
- it = begin() + idx;
-
- while ( first != last )
- {
- it = insert(it, *first);
-
- // insert returns an iterator to the last element inserted but we need
- // insert the next after this one, that is before the next one
- ++it;
-
- ++first;
- }
-}
-
-// expand the array
-void wxArrayString::SetCount(size_t count)
-{
- Alloc(count);
-
- wxString s;
- while ( m_nCount < count )
- m_pItems[m_nCount++] = (wxChar *)s.c_str();
-}
-
-// removes item from array (by index)
-void wxArrayString::RemoveAt(size_t nIndex, size_t nRemove)
-{
- wxCHECK_RET( nIndex < m_nCount, wxT("bad index in wxArrayString::Remove") );
- wxCHECK_RET( nIndex + nRemove <= m_nCount,
- wxT("removing too many elements in wxArrayString::Remove") );
-
- // release our lock
- for (size_t i = 0; i < nRemove; i++)
- Item(nIndex + i).GetStringData()->Unlock();
-
- memmove(&m_pItems[nIndex], &m_pItems[nIndex + nRemove],
- (m_nCount - nIndex - nRemove)*sizeof(wxChar *));
- m_nCount -= nRemove;
-}
-
-// removes item from array (by value)
-void wxArrayString::Remove(const wxChar *sz)
-{
- int iIndex = Index(sz);
-
- wxCHECK_RET( iIndex != wxNOT_FOUND,
- wxT("removing inexistent element in wxArrayString::Remove") );
-
- RemoveAt(iIndex);
-}
-
-void wxArrayString::assign(const_iterator first, const_iterator last)
-{
- reserve(last - first);
- for(; first != last; ++first)
- push_back(*first);
-}
-
-// ----------------------------------------------------------------------------
-// sorting
-// ----------------------------------------------------------------------------
-
-// we can only sort one array at a time with the quick-sort based
-// implementation
-#if wxUSE_THREADS
- // need a critical section to protect access to gs_compareFunction and
- // gs_sortAscending variables
- static wxCriticalSection *gs_critsectStringSort = NULL;
-
- // call this before the value of the global sort vars is changed/after
- // you're finished with them
- #define START_SORT() wxASSERT( !gs_critsectStringSort ); \
- gs_critsectStringSort = new wxCriticalSection; \
- gs_critsectStringSort->Enter()
- #define END_SORT() gs_critsectStringSort->Leave(); \
- delete gs_critsectStringSort; \
- gs_critsectStringSort = NULL
-#else // !threads
- #define START_SORT()
- #define END_SORT()
-#endif // wxUSE_THREADS
-
-// function to use for string comparaison
-static wxArrayString::CompareFunction gs_compareFunction = NULL;
-
-// if we don't use the compare function, this flag tells us if we sort the
-// array in ascending or descending order
-static bool gs_sortAscending = true;
-
-// function which is called by quick sort
-extern "C" int wxC_CALLING_CONV // LINKAGEMODE
-wxStringCompareFunction(const void *first, const void *second)
-{
- wxString *strFirst = (wxString *)first;
- wxString *strSecond = (wxString *)second;
-
- if ( gs_compareFunction ) {
- return gs_compareFunction(*strFirst, *strSecond);
- }
- else {
- // maybe we should use wxStrcoll
- int result = strFirst->Cmp(*strSecond);
-
- return gs_sortAscending ? result : -result;
- }
-}
-
-// sort array elements using passed comparaison function
-void wxArrayString::Sort(CompareFunction compareFunction)
-{
- START_SORT();
-
- wxASSERT( !gs_compareFunction ); // must have been reset to NULL
- gs_compareFunction = compareFunction;
-
- DoSort();
-
- // reset it to NULL so that Sort(bool) will work the next time
- gs_compareFunction = NULL;
-
- END_SORT();
-}
-
-extern "C"
-{
- typedef int (wxC_CALLING_CONV * wxStringCompareFn)(const void *first,
- const void *second);
-}
-
-void wxArrayString::Sort(CompareFunction2 compareFunction)
-{
- qsort(m_pItems, m_nCount, sizeof(wxChar *), (wxStringCompareFn)compareFunction);
-}
-
-void wxArrayString::Sort(bool reverseOrder)
-{
- Sort(reverseOrder ? wxStringSortDescending : wxStringSortAscending);
-}
-
-void wxArrayString::DoSort()
-{
- wxCHECK_RET( !m_autoSort, wxT("can't use this method with sorted arrays") );
-
- // just sort the pointers using qsort() - of course it only works because
- // wxString() *is* a pointer to its data
- qsort(m_pItems, m_nCount, sizeof(wxChar *), wxStringCompareFunction);
-}
-
-bool wxArrayString::operator==(const wxArrayString& a) const
-{
- if ( m_nCount != a.m_nCount )
- return false;
-
- for ( size_t n = 0; n < m_nCount; n++ )
- {
- if ( Item(n) != a[n] )
- return false;
- }
-
- return true;
-}
-
-#endif // !wxUSE_STL
-
-int wxCMPFUNC_CONV wxStringSortAscending(wxString* s1, wxString* s2)
-{
- return s1->Cmp(*s2);
-}
-
-int wxCMPFUNC_CONV wxStringSortDescending(wxString* s1, wxString* s2)
-{
- return -s1->Cmp(*s2);
-}
projects / wxWidgets.git / blobdiff