// 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
////////////////////////////////////////////////////////////////////////////////
// =============================================================================
// -----------------------------------------------------------------------------
// headers
// -----------------------------------------------------------------------------
+
#ifdef __GNUG__
-#pragma implementation "list.h"
+ #pragma implementation "list.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#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
// -----------------------------------------------------------------------------
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;
}
// 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;
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()
{
// 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);
}
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);
{
// 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;
}
}
}
- 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() )
{
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
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
return FALSE;
}
-
void wxListBase::Clear()
{
wxNodeBase *current = m_nodeFirst;
// 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
// 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++);
}
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
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
}
// 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();
}
// 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
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