]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/dynarray.cpp
Don't return invalid size from wxDir::GetTotalSize() for empty dirs.
[wxWidgets.git] / src / common / dynarray.cpp
index 39db10d384bab1b0c0acab4c136212f113f8cde8..752effe3c23201c4190f98b37a3af8728d3fd361 100644 (file)
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        dynarray.cpp
+// Name:        src/common/dynarray.cpp
 // Purpose:     implementation of wxBaseArray class
 // Author:      Vadim Zeitlin
 // Modified by:
 // 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_STL
 
 // 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(long) <= sizeof(void *),
+wxCOMPILE_TIME_ASSERT( sizeof(wxUIntPtr) <= sizeof(void *),
                        wxArraySizeOfPtrLessSizeOfLong ); // < 32 symbols
 
 // ============================================================================
@@ -53,7 +50,7 @@ wxCOMPILE_TIME_ASSERT( sizeof(long) <= sizeof(void *),
 // wxBaseArray - dynamic array of 'T's
 // ----------------------------------------------------------------------------
 
-#define _WX_DEFINE_BASEARRAY_COMMON(T, name)                                \
+#define _WX_DEFINE_BASEARRAY(T, name)                                       \
 /* searches the array for an item (forward or backwards) */                 \
 int name::Index(T lItem, bool bFromEnd) const                               \
 {                                                                           \
@@ -78,45 +75,19 @@ int name::Index(T lItem, bool bFromEnd) const                               \
 }                                                                           \
                                                                             \
 /* add item assuming the array is sorted with fnCompare function */         \
-void name::Add(T lItem, CMPFUNC fnCompare)                                  \
-{                                                                           \
-  Insert(lItem, IndexForInsert(lItem, fnCompare));                          \
-}                                                                           \
-                                                                            \
-
-#if wxUSE_STL
-
-#define _WX_DEFINE_BASEARRAY_NOCOMMON(T, name)                              \
-size_t name::IndexForInsert(T lItem, CMPFUNC fnCompare) const               \
+size_t name::Add(T lItem, CMPFUNC fnCompare)                                \
 {                                                                           \
-    Predicate p(fnCompare);                                                 \
-    const_iterator it = std::lower_bound(begin(), end(), lItem, p);         \
-    return it - begin();                                                    \
+  size_t idx = IndexForInsert(lItem, fnCompare);                            \
+  Insert(lItem, idx);                                                       \
+  return idx;                                                               \
 }                                                                           \
                                                                             \
-int name::Index(T lItem, CMPFUNC fnCompare) const                           \
-{                                                                           \
-    size_t n = IndexForInsert(lItem, fnCompare);                            \
-                                                                            \
-    return (n >= size() ||                                                  \
-           (*fnCompare)(&lItem, &(*this)[n])) ? wxNOT_FOUND : (int)n;       \
-}                                                                           \
-                                                                            \
-void name::Shrink()                                                         \
-{                                                                           \
-    name tmp(*this);                                                        \
-    swap(tmp);                                                              \
-}
-
-#else // if !wxUSE_STL
-
-#define _WX_DEFINE_BASEARRAY_NOCOMMON(T, name)                              \
 /* ctor */                                                                  \
 name::name()                                                                \
 {                                                                           \
   m_nSize  =                                                                \
   m_nCount = 0;                                                             \
-  m_pItems = (T *)NULL;                                                     \
+  m_pItems = NULL;                                                     \
 }                                                                           \
                                                                             \
 /* copy ctor */                                                             \
@@ -136,7 +107,7 @@ name::name(const name& src)                                                 \
       }                                                                     \
   }                                                                         \
   else                                                                      \
-    m_pItems = (T *) NULL;                                                  \
+    m_pItems = NULL;                                                  \
 }                                                                           \
                                                                             \
 /* assignment operator */                                                   \
@@ -158,7 +129,7 @@ name& name::operator=(const name& src)                                      \
       }                                                                     \
   }                                                                         \
   else                                                                      \
-    m_pItems = (T *) NULL;                                                  \
+    m_pItems = NULL;                                                  \
                                                                             \
   return *this;                                                             \
 }                                                                           \
@@ -248,23 +219,6 @@ void name::Clear()                                                          \
   wxDELETEA(m_pItems);                                                      \
 }                                                                           \
                                                                             \
-/* pre-allocates memory (frees the previous data!) */                       \
-void name::Alloc(size_t nSize)                                              \
-{                                                                           \
-  /* only if old buffer was not big enough */                               \
-  if ( nSize > m_nSize ) {                                                  \
-    wxDELETEA(m_pItems);                                                    \
-    m_nSize  = 0;                                                           \
-    m_pItems = new T[nSize];                                                \
-    /* only alloc if allocation succeeded */                                \
-    if ( m_pItems ) {                                                       \
-        m_nSize  = nSize;                                                   \
-    }                                                                       \
-  }                                                                         \
-                                                                            \
-  m_nCount = 0;                                                             \
-}                                                                           \
-                                                                            \
 /* minimizes the memory usage by freeing unused memory */                   \
 void name::Shrink()                                                         \
 {                                                                           \
@@ -325,8 +279,8 @@ size_t name::IndexForInsert(T lItem, CMPFUNC fnCompare) const               \
   while ( lo < hi ) {                                                       \
     i = (lo + hi)/2;                                                        \
                                                                             \
-    res = (*fnCompare)((const void *)(long)lItem,                           \
-                       (const void *)(long)(m_pItems[i]));                  \
+    res = (*fnCompare)((const void *)(wxUIntPtr)lItem,                      \
+                       (const void *)(wxUIntPtr)(m_pItems[i]));             \
     if ( res < 0 )                                                          \
       hi = i;                                                               \
     else if ( res > 0 )                                                     \
@@ -346,9 +300,10 @@ int name::Index(T lItem, CMPFUNC fnCompare) const                           \
     size_t n = IndexForInsert(lItem, fnCompare);                            \
                                                                             \
     return (n >= m_nCount ||                                                \
-           (*fnCompare)((const void *)(long)lItem,                          \
-                        ((const void *)(long)m_pItems[n]))) ? wxNOT_FOUND   \
-                                                            : (int)n;       \
+           (*fnCompare)((const void *)(wxUIntPtr)lItem,                     \
+                        ((const void *)(wxUIntPtr)m_pItems[n])))            \
+                        ? wxNOT_FOUND                                       \
+                        : (int)n;                                           \
 }                                                                           \
                                                                             \
 /* removes item from array (by index) */                                    \
@@ -410,21 +365,130 @@ void name::insert(iterator it, const_iterator first, const_iterator last)   \
   m_nCount += nInsert;                                                      \
 }
 
+#ifdef __INTELC__
+    #pragma warning(push)
+    #pragma warning(disable: 1684)
+    #pragma warning(disable: 1572)
 #endif
 
-#define _WX_DEFINE_BASEARRAY(T, name)                                       \
-        _WX_DEFINE_BASEARRAY_COMMON(T, name)                                \
-        _WX_DEFINE_BASEARRAY_NOCOMMON(T, name)
-
 _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 wxUSE_STL
+#ifdef __INTELC__
+    #pragma warning(pop)
+#endif
+
+#else // wxUSE_STL
+
 #include "wx/arrstr.h"
 
-_WX_DEFINE_BASEARRAY(wxString, wxBaseArrayStringBase)
+#include "wx/beforestd.h"
+#include <functional>
+#include "wx/afterstd.h"
 
-#endif
+// 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
+{
+    typedef wxString first_argument_type;
+    typedef wxString second_argument_type;
+    typedef int result_type;
+
+    int operator()(const wxString& s1, const wxString& s2) const
+    {
+        return s1.compare(s2);
+    }
+};
+
+struct wxStringCmpNoCase
+{
+    typedef wxString first_argument_type;
+    typedef wxString second_argument_type;
+    typedef int result_type;
+
+    int operator()(const wxString& s1, const wxString& s2) const
+    {
+        return s1.CmpNoCase(s2);
+    }
+};
+
+int wxArrayString::Index(const wxString& str, bool bCase, bool WXUNUSED(bFromEnd)) const
+{
+    wxArrayString::const_iterator it;
+
+    if (bCase)
+    {
+        it = std::find_if(begin(), end(),
+                          std::not1(
+                              std::bind2nd(
+                                  wxStringCmp(), str)));
+    }
+    else // !bCase
+    {
+        it = std::find_if(begin(), end(),
+                          std::not1(
+                              std::bind2nd(
+                                  wxStringCmpNoCase(), str)));
+    }
+
+    return it == end() ? wxNOT_FOUND : it - begin();
+}
+
+template<class F>
+class wxStringCompareLess
+{
+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)
+{
+    return wxStringCompareLess<F>(f);
+}
+
+void wxArrayString::Sort(CompareFunction function)
+{
+    std::sort(begin(), end(), wxStringCompare(function));
+}
+
+void wxArrayString::Sort(bool reverseOrder)
+{
+    if (reverseOrder)
+    {
+        std::sort(begin(), end(), std::greater<wxString>());
+    }
+    else
+    {
+        std::sort(begin(), end());
+    }
+}
+
+int wxSortedArrayString::Index(const wxString& str,
+                               bool WXUNUSED_UNLESS_DEBUG(bCase),
+                               bool WXUNUSED_UNLESS_DEBUG(bFromEnd)) const
+{
+    wxASSERT_MSG( bCase && !bFromEnd,
+                  "search parameters ignored for sorted array" );
+
+    wxSortedArrayString::const_iterator
+        it = std::lower_bound(begin(), end(), str, wxStringCompare(wxStringCmp()));
+
+    if ( it == end() || str.Cmp(*it) != 0 )
+        return wxNOT_FOUND;
+
+    return it - begin();
+}
+
+#endif // !wxUSE_STL/wxUSE_STL