X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/db9504c5049e9e89588b3947ac9ecce524b820b8..769c3372a2bd68c45d1a4afc8462d3b7939decb1:/src/common/list.cpp

diff --git a/src/common/list.cpp b/src/common/list.cpp
index a689f0b40e..01fb9664bb 100644
--- a/src/common/list.cpp
+++ b/src/common/list.cpp
@@ -1,12 +1,12 @@
 ////////////////////////////////////////////////////////////////////////////////
-// Name:        list.cpp
+// Name:        src/common/list.cpp
 // Purpose:     wxList implementation
 // Author:      Julian Smart
 // Modified by: VZ at 16/11/98: WX_DECLARE_LIST() and typesafe lists added
 // Created:     04/01/98
 // RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:     wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
 ////////////////////////////////////////////////////////////////////////////////
 
 // =============================================================================
@@ -16,9 +16,6 @@
 // -----------------------------------------------------------------------------
 // headers
 // -----------------------------------------------------------------------------
-#ifdef __GNUG__
-#pragma implementation "list.h"
-#endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
@@ -32,18 +29,11 @@
 #include <string.h>
 
 #ifndef WX_PRECOMP
-    #include "wx/defs.h"
     #include "wx/list.h"
-    #include "wx/utils.h"   // for copystring() (beurk...)
+    #include "wx/crt.h"
 #endif
 
-// Sun CC compatibility (interference with xview/pkg.h, apparently...)
-#if defined(SUN_CC) && defined(__XVIEW__)
-    #undef va_start
-    #undef va_end
-    #undef va_arg
-    #undef va_list
-#endif
+#if !wxUSE_STD_CONTAINERS
 
 // =============================================================================
 // implementation
@@ -52,23 +42,24 @@
 // -----------------------------------------------------------------------------
 // wxListKey
 // -----------------------------------------------------------------------------
+wxListKey wxDefaultListKey;
 
 bool wxListKey::operator==(wxListKeyValue value) const
 {
     switch ( m_keyType )
     {
         default:
-            wxFAIL_MSG("bad key type.");
+            wxFAIL_MSG(wxT("bad key type."));
             // let compiler optimize the line above away in release build
             // by not putting return here...
 
         case wxKEY_STRING:
-            return strcmp(m_key.string, value.string) == 0;
+            return *m_key.string == *value.string;
 
         case wxKEY_INTEGER:
             return m_key.integer == value.integer;
     }
-}                                
+}
 
 // -----------------------------------------------------------------------------
 // wxNodeBase
@@ -82,28 +73,28 @@ wxNodeBase::wxNodeBase(wxListBase *list,
     m_data = data;
     m_previous = previous;
     m_next = next;
-    
+
     switch ( key.GetKeyType() )
     {
         case wxKEY_NONE:
             break;
-        
+
         case wxKEY_INTEGER:
             m_key.integer = key.GetNumber();
             break;
-        
+
         case wxKEY_STRING:
             // to be free()d later
-            m_key.string = strdup(key.GetString());
+            m_key.string = new wxString(key.GetString());
             break;
-        
+
         default:
-            wxFAIL_MSG("invalid key type");
+            wxFAIL_MSG(wxT("invalid key type"));
     }
-    
+
     if ( previous )
         previous->m_next = this;
-    
+
     if ( next )
         next->m_previous = this;
 }
@@ -115,20 +106,44 @@ wxNodeBase::~wxNodeBase()
     // compatibility with old code
     if ( m_list != NULL )
     {
+        if ( m_list->m_keyType == wxKEY_STRING )
+        {
+            delete m_key.string;
+        }
+
         m_list->DetachNode(this);
     }
 }
 
+int wxNodeBase::IndexOf() const
+{
+    wxCHECK_MSG( m_list, wxNOT_FOUND, wxT("node doesn't belong to a list in IndexOf"));
+
+    // It would be more efficient to implement IndexOf() completely inside
+    // wxListBase (only traverse the list once), but this is probably a more
+    // reusable way of doing it. Can always be optimized at a later date (since
+    // IndexOf() resides in wxListBase as well) if efficiency is a problem.
+    int i;
+    wxNodeBase *prev = m_previous;
+
+    for( i = 0; prev; i++ )
+    {
+        prev = prev->m_previous;
+    }
+
+    return i;
+}
+
 // -----------------------------------------------------------------------------
 // wxListBase
 // -----------------------------------------------------------------------------
 
-void wxListBase::Init(wxKeyType keyType = wxKEY_NONE)
+void wxListBase::Init(wxKeyType keyType)
 {
   m_nodeFirst =
-  m_nodeLast = (wxNodeBase *) NULL;
+  m_nodeLast = NULL;
   m_count = 0;
-  m_destroy = FALSE;
+  m_destroy = false;
   m_keyType = keyType;
 }
 
@@ -145,18 +160,44 @@ wxListBase::wxListBase(size_t count, void *elements[])
 void wxListBase::DoCopy(const wxListBase& list)
 {
     wxASSERT_MSG( !list.m_destroy,
-                  "copying list which owns it's elements is a bad idea" );
+                  wxT("copying list which owns it's elements is a bad idea") );
 
-    m_count = list.m_count;
     m_destroy = list.m_destroy;
     m_keyType = list.m_keyType;
     m_nodeFirst =
-    m_nodeLast = (wxNodeBase *) NULL;
+    m_nodeLast = NULL;
 
-    for ( wxNodeBase *node = list.GetFirst(); node; node = node->GetNext() )
+    switch (m_keyType)
     {
-        Append(node);
+        case wxKEY_INTEGER:
+            {
+                for ( wxNodeBase *node = list.GetFirst(); node; node = node->GetNext() )
+                {
+                    Append(node->GetKeyInteger(), node->GetData());
+                }
+                break;
+            }
+
+        case wxKEY_STRING:
+            {
+                for ( wxNodeBase *node = list.GetFirst(); node; node = node->GetNext() )
+                {
+                    Append(node->GetKeyString(), node->GetData());
+                }
+                break;
+            }
+
+        default:
+            {
+                for ( wxNodeBase *node = list.GetFirst(); node; node = node->GetNext() )
+                {
+                    Append(node->GetData());
+                }
+                break;
+            }
     }
+
+    wxASSERT_MSG( m_count == list.m_count, wxT("logic error in wxList::DoCopy") );
 }
 
 wxListBase::~wxListBase()
@@ -191,10 +232,13 @@ wxNodeBase *wxListBase::AppendCommon(wxNodeBase *node)
 wxNodeBase *wxListBase::Append(void *object)
 {
     // all objects in a keyed list should have a key
-    wxCHECK_MSG( m_keyType == wxKEY_NONE, (wxNodeBase *)NULL,
-                 "need a key for the object to append" );
+    wxCHECK_MSG( m_keyType == wxKEY_NONE, NULL,
+                 wxT("need a key for the object to append") );
 
-    wxNodeBase *node = CreateNode(m_nodeLast, (wxNodeBase *)NULL, object);
+    // we use wxDefaultListKey even though it is the default parameter value
+    // because gcc under Mac OS X seems to miscompile this call otherwise
+    wxNodeBase *node = CreateNode(m_nodeLast, NULL, object,
+                                  wxDefaultListKey);
 
     return AppendCommon(node);
 }
@@ -203,32 +247,32 @@ wxNodeBase *wxListBase::Append(long key, void *object)
 {
     wxCHECK_MSG( (m_keyType == wxKEY_INTEGER) ||
                  (m_keyType == wxKEY_NONE && m_count == 0),
-                 (wxNodeBase *)NULL,
-                 "can't append object with numeric key to this list" );
+                 NULL,
+                 wxT("can't append object with numeric key to this list") );
 
-    wxNodeBase *node = CreateNode(m_nodeLast, (wxNodeBase *)NULL, object, key);
+    wxNodeBase *node = CreateNode(m_nodeLast, NULL, object, key);
     return AppendCommon(node);
 }
 
-wxNodeBase *wxListBase::Append (const char *key, void *object)
+wxNodeBase *wxListBase::Append (const wxString& key, void *object)
 {
     wxCHECK_MSG( (m_keyType == wxKEY_STRING) ||
                  (m_keyType == wxKEY_NONE && m_count == 0),
-                 (wxNodeBase *)NULL,
-                 "can't append object with string key to this list" );
+                 NULL,
+                 wxT("can't append object with string key to this list") );
 
-    wxNodeBase *node = CreateNode(m_nodeLast, (wxNodeBase *)NULL, object, key);
+    wxNodeBase *node = CreateNode(m_nodeLast, NULL, object, key);
     return AppendCommon(node);
 }
 
 wxNodeBase *wxListBase::Insert(wxNodeBase *position, void *object)
 {
     // all objects in a keyed list should have a key
-    wxCHECK_MSG( m_keyType == wxKEY_NONE, (wxNodeBase *)NULL,
-                 "need a key for the object to insert" );
+    wxCHECK_MSG( m_keyType == wxKEY_NONE, NULL,
+                 wxT("need a key for the object to insert") );
 
-    wxCHECK_MSG( !position || position->m_list == this, (wxNodeBase *)NULL,
-                 "can't insert before a node from another list" );
+    wxCHECK_MSG( !position || position->m_list == this, NULL,
+                 wxT("can't insert before a node from another list") );
 
     // previous and next node for the node being inserted
     wxNodeBase *prev, *next;
@@ -240,11 +284,12 @@ wxNodeBase *wxListBase::Insert(wxNodeBase *position, void *object)
     else
     {
         // inserting in the beginning of the list
-        prev = (wxNodeBase *)NULL;
+        prev = NULL;
         next = m_nodeFirst;
     }
 
-    wxNodeBase *node = CreateNode(prev, next, object);
+    // wxDefaultListKey: see comment in Append() above
+    wxNodeBase *node = CreateNode(prev, next, object, wxDefaultListKey);
     if ( !m_nodeFirst )
     {
         m_nodeLast = node;
@@ -270,7 +315,7 @@ wxNodeBase *wxListBase::Item(size_t n) const
         }
     }
 
-    wxFAIL_MSG( "invalid index in wxListBase::Item" );
+    wxFAIL_MSG( wxT("invalid index in wxListBase::Item") );
 
     return NULL;
 }
@@ -278,7 +323,7 @@ wxNodeBase *wxListBase::Item(size_t n) const
 wxNodeBase *wxListBase::Find(const wxListKey& key) const
 {
     wxASSERT_MSG( m_keyType == key.GetKeyType(),
-                  "this list is not keyed on the type of this key" );
+                  wxT("this list is not keyed on the type of this key") );
 
     for ( wxNodeBase *current = GetFirst(); current; current = current->GetNext() )
     {
@@ -289,10 +334,10 @@ wxNodeBase *wxListBase::Find(const wxListKey& key) const
     }
 
     // not found
-    return (wxNodeBase *)NULL;
+    return NULL;
 }
 
-wxNodeBase *wxListBase::Find(void *object) const
+wxNodeBase *wxListBase::Find(const void *object) const
 {
     for ( wxNodeBase *current = GetFirst(); current; current = current->GetNext() )
     {
@@ -301,7 +346,14 @@ wxNodeBase *wxListBase::Find(void *object) const
     }
 
     // not found
-    return (wxNodeBase *)NULL;
+    return NULL;
+}
+
+int wxListBase::IndexOf(void *object) const
+{
+    wxNodeBase *node = Find( object );
+
+    return node ? node->IndexOf() : wxNOT_FOUND;
 }
 
 void wxListBase::DoDeleteNode(wxNodeBase *node)
@@ -317,14 +369,16 @@ void wxListBase::DoDeleteNode(wxNodeBase *node)
         node->DeleteData();
     }
 
+    // so that the node knows that it's being deleted by the list
+    node->m_list = NULL;
     delete node;
 }
 
 wxNodeBase *wxListBase::DetachNode(wxNodeBase *node)
 {
-    wxCHECK_MSG( node, NULL, "detaching NULL wxNodeBase" );
+    wxCHECK_MSG( node, NULL, wxT("detaching NULL wxNodeBase") );
     wxCHECK_MSG( node->m_list == this, NULL,
-                 "detaching node which is not from this list" );
+                 wxT("detaching node which is not from this list") );
 
     // update the list
     wxNodeBase **prevNext = node->GetPrevious() ? &node->GetPrevious()->m_next
@@ -346,11 +400,11 @@ wxNodeBase *wxListBase::DetachNode(wxNodeBase *node)
 bool wxListBase::DeleteNode(wxNodeBase *node)
 {
     if ( !DetachNode(node) )
-        return FALSE;
+        return false;
 
     DoDeleteNode(node);
 
-    return TRUE;
+    return true;
 }
 
 bool wxListBase::DeleteObject(void *object)
@@ -360,15 +414,14 @@ bool wxListBase::DeleteObject(void *object)
         if ( current->GetData() == object )
         {
             DeleteNode(current);
-            return TRUE;
+            return true;
         }
     }
 
     // not found
-    return FALSE;
+    return false;
 }
 
-
 void wxListBase::Clear()
 {
     wxNodeBase *current = m_nodeFirst;
@@ -380,7 +433,7 @@ void wxListBase::Clear()
     }
 
     m_nodeFirst =
-    m_nodeLast = (wxNodeBase *)NULL;
+    m_nodeLast = NULL;
 
     m_count = 0;
 }
@@ -401,7 +454,7 @@ void *wxListBase::FirstThat(wxListIterateFunction F)
             return current->GetData();
     }
 
-    return (wxNodeBase *)NULL;
+    return NULL;
 }
 
 void *wxListBase::LastThat(wxListIterateFunction F)
@@ -412,7 +465,7 @@ void *wxListBase::LastThat(wxListIterateFunction F)
             return current->GetData();
     }
 
-    return (wxNodeBase *)NULL;
+    return NULL;
 }
 
 // (stefan.hammes@urz.uni-heidelberg.de)
@@ -452,17 +505,21 @@ void wxListBase::Sort(const wxSortCompareFunction compfunc)
 
     // go through the list and put the pointers into the array
     wxNodeBase *node;
-    for ( node = GetFirst(); node; node = node->Next() )
+    for ( node = GetFirst(); node; node = node->GetNext() )
     {
-        *objPtr++ = node->Data();
+        *objPtr++ = node->GetData();
     }
 
     // sort the array
-    qsort((void *)objArray,num,sizeof(wxObject *),compfunc);
+    qsort((void *)objArray,num,sizeof(wxObject *),
+#ifdef __WXWINCE__
+        (int (__cdecl *)(const void *,const void *))
+#endif
+        compfunc);
 
     // put the sorted pointers back into the list
     objPtr = objArray;
-    for ( node = GetFirst(); node; node = node->Next() )
+    for ( node = GetFirst(); node; node = node->GetNext() )
     {
         node->SetData(*objPtr++);
     }
@@ -471,18 +528,67 @@ void wxListBase::Sort(const wxSortCompareFunction compfunc)
     delete[] objArray;
 }
 
+void wxListBase::Reverse()
+{
+    wxNodeBase* node = m_nodeFirst;
+    wxNodeBase* tmp;
+
+    while (node)
+    {
+        // swap prev and next pointers
+        tmp = node->m_next;
+        node->m_next = node->m_previous;
+        node->m_previous = tmp;
+
+        // this is the node that was next before swapping
+        node = tmp;
+    }
+
+    // swap first and last node
+    tmp = m_nodeFirst; m_nodeFirst = m_nodeLast; m_nodeLast = tmp;
+}
+
+void wxListBase::DeleteNodes(wxNodeBase* first, wxNodeBase* last)
+{
+    wxNodeBase* node = first;
+
+    while (node != last)
+    {
+        wxNodeBase* next = node->GetNext();
+        DeleteNode(node);
+        node = next;
+    }
+}
+
+// ============================================================================
+// compatibility section from now on
+// ============================================================================
+
+#ifdef wxLIST_COMPATIBILITY
+
 // -----------------------------------------------------------------------------
 // wxList (a.k.a. wxObjectList)
 // -----------------------------------------------------------------------------
 
+wxList::wxList( int key_type )
+    : wxObjectList( (wxKeyType)key_type )
+{
+}
+
 void wxObjectListNode::DeleteData()
 {
     delete (wxObject *)GetData();
 }
 
-// -----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
 // wxStringList
-// -----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+
+static inline wxChar* MYcopystring(const wxChar* s)
+{
+    wxChar* copy = new wxChar[wxStrlen(s) + 1];
+    return wxStrcpy(copy, s);
+}
 
 // instead of WX_DEFINE_LIST(wxStringListBase) we define this function
 // ourselves
@@ -491,6 +597,23 @@ void wxStringListNode::DeleteData()
     delete [] (char *)GetData();
 }
 
+bool wxStringList::Delete(const wxChar *s)
+{
+    wxStringListNode *current;
+
+    for ( current = GetFirst(); current; current = current->GetNext() )
+    {
+        if ( wxStrcmp(current->GetData(), s) == 0 )
+        {
+            DeleteNode(current);
+            return true;
+        }
+    }
+
+    // not found
+    return false;
+}
+
 void wxStringList::DoCopy(const wxStringList& other)
 {
     wxASSERT( GetCount() == 0 );    // this list must be empty before copying!
@@ -498,48 +621,60 @@ void wxStringList::DoCopy(const wxStringList& other)
     size_t count = other.GetCount();
     for ( size_t n = 0; n < count; n++ )
     {
-        Add(other.Item(n)->GetData()); 
+        Add(other.Item(n)->GetData());
     }
 }
 
+wxStringList::wxStringList()
+{
+    DeleteContents(true);
+}
+
 // Variable argument list, terminated by a zero
 // Makes new storage for the strings
-wxStringList::wxStringList (const char *first, ...)
+wxStringList::wxStringList (const wxChar *first, ...)
 {
+  DeleteContents(true);
   if ( !first )
     return;
 
   va_list ap;
   va_start(ap, first);
 
-  const char *s = first;
+  const wxChar *s = first;
   for (;;)
   {
       Add(s);
 
-      s = va_arg(ap, const char *);
-      //    if (s == NULL)
-#ifdef __WXMSW__
-      if ((int) s == 0)
-#else
-      if ((long) s == 0)
+      // icc gives this warning in its own va_arg() macro, argh
+#ifdef __INTELC__
+    #pragma warning(push)
+    #pragma warning(disable: 1684)
+#endif
+
+      s = va_arg(ap, const wxChar *);
+
+#ifdef __INTELC__
+    #pragma warning(pop)
 #endif
+
+      if ( !s )
           break;
   }
 
   va_end(ap);
 }
 
-// Only makes new strings if arg is TRUE
-char **wxStringList::ListToArray(bool new_copies) const
+// Only makes new strings if arg is true
+wxChar **wxStringList::ListToArray(bool new_copies) const
 {
-    char **string_array = new char *[GetCount()];
+    wxChar **string_array = new wxChar *[GetCount()];
     wxStringListNode *node = GetFirst();
     for (size_t i = 0; i < GetCount(); i++)
     {
-        char *s = node->GetData();
+        wxChar *s = node->GetData();
         if ( new_copies )
-            string_array[i] = copystring(s);
+            string_array[i] = MYcopystring(s);
         else
             string_array[i] = s;
         node = node->GetNext();
@@ -549,45 +684,84 @@ char **wxStringList::ListToArray(bool new_copies) const
 }
 
 // Checks whether s is a member of the list
-bool wxStringList::Member(const char *s) const
+bool wxStringList::Member(const wxChar *s) const
 {
     for ( wxStringListNode *node = GetFirst(); node; node = node->GetNext() )
     {
-        const char *s1 = node->GetData();
-        if (s == s1 || strcmp (s, s1) == 0)
-            return TRUE;
+        const wxChar *s1 = node->GetData();
+        if (s == s1 || wxStrcmp (s, s1) == 0)
+            return true;
     }
 
-    return FALSE;
+    return false;
 }
 
-static int
+#ifdef __WXWINCE__
+extern "C"
+{
+static int __cdecl
+#else
+extern "C"
+{
+static int LINKAGEMODE
+#endif
+
 wx_comparestrings(const void *arg1, const void *arg2)
 {
-  char **s1 = (char **) arg1;
-  char **s2 = (char **) arg2;
+  wxChar **s1 = (wxChar **) arg1;
+  wxChar **s2 = (wxChar **) arg2;
 
-  return strcmp (*s1, *s2);
+  return wxStrcmp (*s1, *s2);
 }
 
+}   // end of extern "C" (required because of GCC Bug c++/33078
+
 // Sort a list of strings - deallocates old nodes, allocates new
 void wxStringList::Sort()
 {
     size_t N = GetCount();
-    char **array = new char *[N];
+    wxChar **array = new wxChar *[N];
+    wxStringListNode *node;
 
     size_t i = 0;
-    for ( wxStringListNode *node = GetFirst(); node; node = node->GetNext() )
+    for ( node = GetFirst(); node; node = node->GetNext() )
     {
         array[i++] = node->GetData();
     }
 
-    qsort (array, N, sizeof (char *), wx_comparestrings);
-    Clear();
+    qsort (array, N, sizeof (wxChar *), wx_comparestrings);
 
-    for (i = 0; i < N; i++)
-        Append (array[i]);
+    i = 0;
+    for ( node = GetFirst(); node; node = node->GetNext() )
+        node->SetData( array[i++] );
 
-    delete[]array;
+    delete [] array;
 }
 
+wxNode *wxStringList::Add(const wxChar *s)
+{
+    return (wxNode *)(wxStringListBase::Node *)
+            wxStringListBase::Append(MYcopystring(s));
+}
+
+wxNode *wxStringList::Prepend(const wxChar *s)
+{
+    return (wxNode *)(wxStringListBase::Node *)
+            wxStringListBase::Insert(MYcopystring(s));
+}
+
+#endif // wxLIST_COMPATIBILITY
+
+#else // wxUSE_STD_CONTAINERS = 1
+
+    #include "wx/listimpl.cpp"
+    WX_DEFINE_LIST(wxObjectList)
+
+// with wxUSE_STD_CONTAINERS wxStringList contains wxString objects, not pointers
+void _WX_LIST_HELPER_wxStringListBase::DeleteFunction( wxString WXUNUSED(X) )
+{
+}
+
+wxStringListBase::BaseListType wxStringListBase::EmptyList;
+
+#endif // !wxUSE_STD_CONTAINERS