X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fd3f686c274a264e89ea97505350a82c1134f307..71a660a3128c6c2a9262225136907e57dab33183:/src/common/list.cpp

diff --git a/src/common/list.cpp b/src/common/list.cpp
index 730134ae7d..62200c7e5e 100644
--- a/src/common/list.cpp
+++ b/src/common/list.cpp
@@ -5,8 +5,8 @@
 // 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
 ////////////////////////////////////////////////////////////////////////////////
 
 // =============================================================================
@@ -16,8 +16,9 @@
 // -----------------------------------------------------------------------------
 // headers
 // -----------------------------------------------------------------------------
+
 #ifdef __GNUG__
-#pragma implementation "list.h"
+    #pragma implementation "list.h"
 #endif
 
 // For compilers that support precompilation, includes "wx.h".
@@ -34,21 +35,36 @@
 #ifndef WX_PRECOMP
     #include "wx/defs.h"
     #include "wx/list.h"
-    #include "wx/utils.h"   // for copystring() (beurk...)
 #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_STL
 
 // =============================================================================
 // implementation
 // =============================================================================
 
+// -----------------------------------------------------------------------------
+// wxListKey
+// -----------------------------------------------------------------------------
+wxListKey wxDefaultListKey;
+
+bool wxListKey::operator==(wxListKeyValue value) const
+{
+    switch ( m_keyType )
+    {
+        default:
+            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 wxStrcmp(m_key.string, value.string) == 0;
+
+        case wxKEY_INTEGER:
+            return m_key.integer == value.integer;
+    }
+}
+
 // -----------------------------------------------------------------------------
 // wxNodeBase
 // -----------------------------------------------------------------------------
@@ -61,28 +77,28 @@ 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 = wxStrdup(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;
 }
@@ -94,15 +110,39 @@ wxNodeBase::~wxNodeBase()
     // compatibility with old code
     if ( m_list != NULL )
     {
+        if ( m_list->m_keyType == wxKEY_STRING )
+        {
+            free(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;
@@ -124,18 +164,48 @@ 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;
 
-    for ( wxNodeBase *node = list.GetFirst(); node; node = node->GetNext() )
+    switch (m_keyType)
     {
-        Append(node);
+        case wxKEY_INTEGER:
+            {
+                long key;
+                for ( wxNodeBase *node = list.GetFirst(); node; node = node->GetNext() )
+                {
+                    key = node->GetKeyInteger();
+                    Append(key, node->GetData());
+                }
+                break;
+            }
+
+        case wxKEY_STRING:
+            {
+                const wxChar *key;
+                for ( wxNodeBase *node = list.GetFirst(); node; node = node->GetNext() )
+                {
+                    key = node->GetKeyString();
+                    Append(key, node->GetData());
+                }
+                break;
+            }
+
+        default:
+            {
+                for ( wxNodeBase *node = list.GetFirst(); node; node = node->GetNext() )
+                {
+                    Append(node->GetData());
+                }
+                break;
+            }
     }
+
+    wxASSERT_MSG( m_count == list.m_count, _T("logic error in wxList::DoCopy") );
 }
 
 wxListBase::~wxListBase()
@@ -171,9 +241,12 @@ 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" );
+                 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, (wxNodeBase *)NULL, object,
+                                  wxDefaultListKey);
 
     return AppendCommon(node);
 }
@@ -183,18 +256,18 @@ 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" );
+                 wxT("can't append object with numeric key to this list") );
 
     wxNodeBase *node = CreateNode(m_nodeLast, (wxNodeBase *)NULL, object, key);
     return AppendCommon(node);
 }
 
-wxNodeBase *wxListBase::Append (const char *key, void *object)
+wxNodeBase *wxListBase::Append (const wxChar *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" );
+                 wxT("can't append object with string key to this list") );
 
     wxNodeBase *node = CreateNode(m_nodeLast, (wxNodeBase *)NULL, object, key);
     return AppendCommon(node);
@@ -204,18 +277,29 @@ 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" );
+                 wxT("need a key for the object to insert") );
 
-    wxNodeBase *prev = (wxNodeBase *)NULL;
+    wxCHECK_MSG( !position || position->m_list == this, (wxNodeBase *)NULL,
+                 wxT("can't insert before a node from another list") );
+
+    // previous and next node for the node being inserted
+    wxNodeBase *prev, *next;
     if ( position )
+    {
         prev = position->GetPrevious();
-    //else
-    //  inserting in the beginning of the list
+        next = position;
+    }
+    else
+    {
+        // inserting in the beginning of the list
+        prev = (wxNodeBase *)NULL;
+        next = m_nodeFirst;
+    }
 
-    wxNodeBase *node = CreateNode(prev, position, object);
+    // wxDefaultListKey: see comment in Append() above
+    wxNodeBase *node = CreateNode(prev, next, object, wxDefaultListKey);
     if ( !m_nodeFirst )
     {
-        m_nodeFirst = node;
         m_nodeLast = node;
     }
 
@@ -239,15 +323,15 @@ wxNodeBase *wxListBase::Item(size_t n) const
         }
     }
 
-    wxFAIL_MSG( "invalid index in wxListBase::Item" );
+    wxFAIL_MSG( wxT("invalid index in wxListBase::Item") );
 
-    return NULL;
+    return (wxNodeBase *)NULL;
 }
 
 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() )
     {
@@ -273,6 +357,13 @@ wxNodeBase *wxListBase::Find(void *object) const
     return (wxNodeBase *)NULL;
 }
 
+int wxListBase::IndexOf(void *object) const
+{
+    wxNodeBase *node = Find( object );
+
+    return node ? node->IndexOf() : wxNOT_FOUND;
+}
+
 void wxListBase::DoDeleteNode(wxNodeBase *node)
 {
     // free node's data
@@ -286,14 +377,16 @@ 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
@@ -337,7 +430,6 @@ bool wxListBase::DeleteObject(void *object)
     return FALSE;
 }
 
-
 void wxListBase::Clear()
 {
     wxNodeBase *current = m_nodeFirst;
@@ -421,9 +513,9 @@ 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
@@ -431,7 +523,7 @@ void wxListBase::Sort(const wxSortCompareFunction 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++);
     }
@@ -440,18 +532,95 @@ 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
+
+// -----------------------------------------------------------------------------
+// wxNodeBase deprecated methods
+// -----------------------------------------------------------------------------
+
+wxNode *wxNodeBase::Next() const { return (wxNode *)GetNext(); }
+wxNode *wxNodeBase::Previous() const { return (wxNode *)GetPrevious(); }
+wxObject *wxNodeBase::Data() const { return (wxObject *)GetData(); }
+
+// -----------------------------------------------------------------------------
+// wxListBase deprecated methods
+// -----------------------------------------------------------------------------
+
+int wxListBase::Number() const { return GetCount(); }
+wxNode *wxListBase::First() const { return (wxNode *)GetFirst(); }
+wxNode *wxListBase::Last() const { return (wxNode *)GetLast(); }
+wxNode *wxListBase::Nth(size_t n) const { return (wxNode *)Item(n); }
+wxListBase::operator wxList&() const { return *(wxList*)this; }
+
 // -----------------------------------------------------------------------------
 // wxList (a.k.a. wxObjectList)
 // -----------------------------------------------------------------------------
 
+IMPLEMENT_DYNAMIC_CLASS(wxList, wxObject)
+
+wxList::wxList( int key_type )
+    : wxObjectList( (wxKeyType)key_type )
+{
+}
+
 void wxObjectListNode::DeleteData()
 {
     delete (wxObject *)GetData();
 }
 
-// -----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
 // wxStringList
-// -----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+
+static inline wxChar* MYcopystring(const wxString& s)
+{
+    wxChar* copy = new wxChar[s.length() + 1];
+    return wxStrcpy(copy, s.c_str());
+}
+
+static inline wxChar* MYcopystring(const wxChar* s)
+{
+    wxChar* copy = new wxChar[wxStrlen(s) + 1];
+    return wxStrcpy(copy, s);
+}
+
+IMPLEMENT_DYNAMIC_CLASS(wxStringList, wxObject)
 
 // instead of WX_DEFINE_LIST(wxStringListBase) we define this function
 // ourselves
@@ -460,25 +629,59 @@ 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!
+
+    size_t count = other.GetCount();
+    for ( size_t n = 0; n < count; n++ )
+    {
+        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 *);
+      s = va_arg(ap, const wxChar *);
       //    if (s == NULL)
 #ifdef __WXMSW__
-      if ((int) s == 0)
+      if ((int)(long) s == 0)
 #else
       if ((long) s == 0)
 #endif
@@ -489,15 +692,15 @@ wxStringList::wxStringList (const char *first, ...)
 }
 
 // Only makes new strings if arg is TRUE
-char **wxStringList::ListToArray(bool new_copies) const
+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();
@@ -507,45 +710,59 @@ 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)
+        const wxChar *s1 = node->GetData();
+        if (s == s1 || wxStrcmp (s, s1) == 0)
             return TRUE;
     }
 
     return FALSE;
 }
 
-static int
+extern "C" int LINKAGEMODE
 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);
 }
 
 // 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::Append(MYcopystring(s));
+}
+        
+wxNode *wxStringList::Prepend(const wxChar *s)
+{
+    return (wxNode *)wxStringListBase::Insert(MYcopystring(s));
+}
+
+#endif // wxLIST_COMPATIBILITY
+
+#endif // !wxUSE_STL