]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/dynarray.cpp
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[wxWidgets.git] / src / common / dynarray.cpp
index ef5203fc9f891cdc583e62d336d878a70a9ce80b..8d62ca6b06101e411e656886e72367ee9759fb16 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
 // ============================================================================
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#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(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                               \
 {                                                                           \
@@ -83,41 +80,14 @@ size_t name::Add(T lItem, CMPFUNC fnCompare)                                \
   size_t idx = IndexForInsert(lItem, fnCompare);                            \
   Insert(lItem, idx);                                                       \
   return idx;                                                               \
-}
-
-#if wxUSE_STL
-
-#define _WX_DEFINE_BASEARRAY_NOCOMMON(T, name)                              \
-size_t name::IndexForInsert(T lItem, CMPFUNC fnCompare) const               \
-{                                                                           \
-    Predicate p((SCMPFUNC)fnCompare);                                       \
-    const_iterator it = std::lower_bound(begin(), end(), lItem, p);         \
-    return it - begin();                                                    \
-}                                                                           \
-                                                                            \
-int name::Index(T lItem, CMPFUNC fnCompare) const                           \
-{                                                                           \
-    Predicate p((SCMPFUNC)fnCompare);                                       \
-    const_iterator it = std::lower_bound(begin(), end(), lItem, p);         \
-    return (it != end() &&                                                  \
-            p(lItem, *it)) ? (int)(it - begin()) : wxNOT_FOUND;             \
 }                                                                           \
                                                                             \
-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 */                                                             \
@@ -137,7 +107,7 @@ name::name(const name& src)                                                 \
       }                                                                     \
   }                                                                         \
   else                                                                      \
-    m_pItems = (T *) NULL;                                                  \
+    m_pItems = NULL;                                                  \
 }                                                                           \
                                                                             \
 /* assignment operator */                                                   \
@@ -159,7 +129,7 @@ name& name::operator=(const name& src)                                      \
       }                                                                     \
   }                                                                         \
   else                                                                      \
-    m_pItems = (T *) NULL;                                                  \
+    m_pItems = NULL;                                                  \
                                                                             \
   return *this;                                                             \
 }                                                                           \
@@ -249,23 +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()                                                         \
 {                                                                           \
@@ -326,8 +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 )                                                     \
@@ -347,9 +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) */                                    \
@@ -404,6 +358,9 @@ void name::insert(iterator it, const_iterator first, const_iterator last)   \
       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)                       \
@@ -411,67 +368,130 @@ 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_STD_CONTAINERS
+
 #include "wx/arrstr.h"
 
 #include "wx/beforestd.h"
 #include <functional>
 #include "wx/afterstd.h"
 
-_WX_DEFINE_BASEARRAY(wxString, wxBaseArrayStringBase);
+// 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 wxArrayString::Index(const wxChar* sz, bool bCase, bool WXUNUSED(bFromEnd)) const
+    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(std::ptr_fun(wxStrcmp), sz)));
-    else
+                          std::not1(
+                              std::bind2nd(
+                                  wxStringCmp(), str)));
+    }
+    else // !bCase
+    {
         it = std::find_if(begin(), end(),
-                          std::not1(std::bind2nd(std::ptr_fun(wxStricmp), sz)));
+                          std::not1(
+                              std::bind2nd(
+                                  wxStringCmpNoCase(), str)));
+    }
 
     return it == end() ? wxNOT_FOUND : it - begin();
 }
 
+template<class F>
 class wxStringCompareLess
 {
 public:
-    typedef int (wxCMPFUNC_CONV * fnc)(const wxChar*, const wxChar*);
-public:
-    wxStringCompareLess(fnc f) : m_f(f) { }
-    bool operator()(const wxChar* s1, const wxChar* s2)
+    wxStringCompareLess(F f) : m_f(f) { }
+    bool operator()(const wxString& s1, const wxString& s2)
         { return m_f(s1, s2) < 0; }
 private:
-    fnc m_f;
+    F m_f;
 };
 
-int wxSortedArrayString::Index(const wxChar* sz, bool bCase, bool WXUNUSED(bFromEnd)) const
+template<class F>
+wxStringCompareLess<F> wxStringCompare(F f)
 {
-    wxSortedArrayString::const_iterator it;
+    return wxStringCompareLess<F>(f);
+}
 
-    if (bCase)
-        it = std::lower_bound(begin(), end(), sz,
-                              wxStringCompareLess(wxStrcmp));
+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
-        it = std::lower_bound(begin(), end(), sz,
-                              wxStringCompareLess(wxStricmp));
+    {
+        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" );
 
-    if (it == end() || (bCase ? wxStrcmp : wxStricmp)(it->c_str(), sz) != 0)
+    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
+#endif // !wxUSE_STD_CONTAINERS/wxUSE_STD_CONTAINERS