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authortpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-02-24 02:13:59 +0000
committertpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-02-24 02:13:59 +0000
commita6d58bb6052ac8cb01805a48c4ad2f129126116f (patch)
treedd867a099fcbb263a8009a9fb22695b87855dad6 /src/modules/objects/class_list.cpp
downloadkvirc-a6d58bb6052ac8cb01805a48c4ad2f129126116f.tar.gz
kvirc-a6d58bb6052ac8cb01805a48c4ad2f129126116f.zip
Added KDE3 version of kvirc
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/kvirc@1095341 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+//=============================================================================
+//
+// File : class_list.cpp
+// Creation date : Wed Sep 09 2000 21:07:55 by Szymon Stefanek
+//
+// This file is part of the KVirc irc client distribution
+// Copyright (C) 1999-2000 Szymon Stefanek (pragma at kvirc dot net)
+//
+// This program is FREE software. You can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your opinion) any later version.
+//
+// This program is distributed in the HOPE that it will be USEFUL,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, write to the Free Software Foundation,
+// Inc. ,51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+//
+//============================================================================
+
+#include "kvi_debug.h"
+
+#include "kvi_malloc.h"
+#include "kvi_locale.h"
+
+#include "class_list.h"
+
+#include <stdlib.h>
+
+
+/*
+ @doc: list
+ @keyterms:
+ list object class, sorted list
+ @title:
+ list class
+ @type:
+ class
+ @short:
+ Abstracts a double linked list of strings
+ @inherits:
+ [class]object[/class]
+ @description:
+
+
+ This object class abstracts a double linked list of strings.
+ You can insert/remove items by zero based position, at the end (tail) or at the
+ beginning (head). The list incorporates an efficient iteration
+ method by using the [classfnc:list]$moveFirst[/classfnc](),[classfnc:list]$moveLast[/classfnc](),
+ [classfnc:list]$moveNext[/classfnc](),[classfnc:list]$movePrev[/classfnc](),
+ [classfnc:list]$current[/classfnc]() and [classfnc:list]$eof[/classfnc]() functions.
+ @functions:
+ !fn: <integer> $count()
+ Returns the number of items in the list
+
+ !fn: <boolean> $isEmpty()
+ Returns $true if the list is empty, $false otherwise.
+
+ !fn: $clear()
+ Removes all the items from the list.This is the same as
+ [classfnc:list]$removeAll[/classfnc]().
+
+ !fn: $removeAll()
+ Removes all the items from the list. This is the same as
+ [classfnc:list]$clear[/classfnc]().
+
+ !fn: $append(<item:variant>)
+ Inserts the <item> at the end (tail) of the list.
+
+ !fn: $prepend(<item:variant>)
+ Inserts the <item> at the beginning (head) of the list.
+
+ !fn: $insert(<index:uint>,<item:variant>)
+ Inserts the <item> at zero-based position <index> in the list.
+ If <index> is greater or equal to [classfnc:list]$count[/classfnc]()
+ then the item is simply appended to the end of the list.
+
+ !fn: $add(<index:uint>,<item:variant>)
+ This is exactly the same as [classfnc:list]$insert[/classfnc]().
+
+ !fn: <variant> $item(<index:uint>)
+ Returns the item at zero-based <index>. If <index> is greater
+ or equal to [classfnc:list]$count[/classfnc]() (beyond the end of the list)
+ then [fnc]$nothing[/fnc] is returned.
+
+ !fn: <boolean> $remove(<index:uint>)
+ Removes the item at zero-based <index>. Returns $true
+ if the item was succesfully removed and $false otherwise (i.e. <index>
+ pointed beyond the end of the list).
+
+ !fn: <boolean> $removeFirst()
+ Removes the first item from the list. Returns $true
+ if the item was succesfully removed (the list was not empty)
+ and $false otherwise.
+
+ !fn: <boolean> $removeLast()
+ Removes the last item from the list. Returns $true
+ if the item was succesfully removed (the list was not empty)
+ and $false otherwise.
+
+ !fn: <boolean> $removeCurrent()
+ Removes the current item from the list. Returns $true
+ if the item was succesfully removed or $false otherwise.
+ Invalidates any iteration operation.
+
+ !fn: <boolean> $moveFirst()
+ Moves the iterator to the first item in the list and returns
+ $true if the move was succesfull (i.e., the list is not empty)
+ and $false otherwise.
+
+ !fn: <boolean> $moveLast()
+ Moves the iterator to the last item in the list and returns
+ $true if the move was succesfull (i.e., the list is not empty)
+ and $false otherwise.
+
+ !fn: <boolean> $movePrev()
+ Moves the iterator to the previous item and returns $true
+ if the move was succesfull (i.e., there IS a previous item)
+ and $false otherwise.
+
+ !fn: <boolean> $moveNext()
+ Moves the iterator to the next item and returns $true
+ if the move was succesfull (i.e., there IS a next item)
+ and $false otherwise.
+
+ !fn: <boolean> $eof()
+ Returns $true if the iterator points to a valid
+ item in the list (and thus [classfnc:list]$current[/classfnc]()
+ would return a valid value) and $false otherwise.
+
+ !fn: <boolean> $current()
+ Returns the item pointed by the current iterator
+ or [fnc]$nothing[/fnc] is the iterator is not valid (points
+ beyond the end of the list).
+*/
+
+
+KVSO_BEGIN_REGISTERCLASS(KviKvsObject_list,"list","object")
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"count",function_count)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"isEmpty",function_isEmpty)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"clear",function_clear)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"removeAll",function_clear)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"append",function_append)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"prepend",function_prepend)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"insert",function_insert)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"add",function_insert)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"at",function_at)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"item",function_at)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"remove",function_remove)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"removeFirst",function_removeFirst)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"removeLast",function_removeLast)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"removeCurrent",function_removeCurrent)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"moveFirst",function_moveFirst)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"moveNext",function_moveNext)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"movePrev",function_movePrev)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"moveLast",function_moveLast)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"sort",function_sort)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"eof",function_eof)
+ KVSO_REGISTER_HANDLER(KviKvsObject_list,"current",function_current)
+KVSO_END_REGISTERCLASS(KviKvsObject_list)
+
+
+KVSO_BEGIN_CONSTRUCTOR(KviKvsObject_list,KviKvsObject)
+ m_pDataList = new KviPointerList<KviKvsVariant>;
+ m_pDataList->setAutoDelete(true);
+KVSO_END_CONSTRUCTOR(KviKvsObject_list)
+
+
+KVSO_BEGIN_DESTRUCTOR(KviKvsObject_list)
+ delete m_pDataList;
+ m_pDataList = 0;
+KVSO_END_CONSTRUCTOR(KviKvsObject_list)
+
+bool KviKvsObject_list::function_current(KviKvsObjectFunctionCall *c)
+{
+ if(!m_pDataList)
+ {
+ c->returnValue()->setNothing();
+ return true;
+ }
+ KviKvsVariant * v = m_pDataList->current();
+ if(v)c->returnValue()->copyFrom(*v);
+ else c->returnValue()->setNothing();
+ return true;
+}
+
+bool KviKvsObject_list::function_eof(KviKvsObjectFunctionCall *c)
+{
+ if(!m_pDataList)
+ {
+ c->returnValue()->setBoolean(true);
+ return true;
+ }
+ c->returnValue()->setBoolean(m_pDataList->current() != 0);
+ return true;
+}
+
+bool KviKvsObject_list::function_moveLast(KviKvsObjectFunctionCall *c)
+{
+ if(!m_pDataList)
+ {
+ c->returnValue()->setBoolean(false);
+ return true;
+ }
+ c->returnValue()->setBoolean(m_pDataList->last() != 0);
+ return true;
+}
+
+bool KviKvsObject_list::function_movePrev(KviKvsObjectFunctionCall *c)
+{
+ if(!m_pDataList)
+ {
+ c->returnValue()->setBoolean(false);
+ return true;
+ }
+ c->returnValue()->setBoolean(m_pDataList->prev() != 0);
+ return true;
+}
+
+bool KviKvsObject_list::function_moveNext(KviKvsObjectFunctionCall *c)
+{
+ if(!m_pDataList)
+ {
+ c->returnValue()->setBoolean(false);
+ return true;
+ }
+ c->returnValue()->setBoolean(m_pDataList->next() != 0);
+ return true;
+}
+
+bool KviKvsObject_list::function_moveFirst(KviKvsObjectFunctionCall *c)
+{
+ if(!m_pDataList)
+ {
+ c->returnValue()->setBoolean(false);
+ return true;
+ }
+ c->returnValue()->setBoolean(m_pDataList->first() != 0);
+ return true;
+}
+
+bool KviKvsObject_list::function_removeLast(KviKvsObjectFunctionCall *c)
+{
+ if(!m_pDataList)
+ {
+ c->returnValue()->setBoolean(false);
+ return true;
+ }
+ c->returnValue()->setBoolean(m_pDataList->removeLast());
+ return true;
+}
+
+bool KviKvsObject_list::function_removeCurrent(KviKvsObjectFunctionCall *c)
+{
+ if(!m_pDataList)
+ {
+ c->returnValue()->setBoolean(false);
+ return true;
+ }
+ if(m_pDataList->current())
+ {
+ m_pDataList->removeCurrent();
+ c->returnValue()->setBoolean(true);
+ } else {
+ c->returnValue()->setBoolean(false);
+ }
+ return true;
+}
+
+bool KviKvsObject_list::function_removeFirst(KviKvsObjectFunctionCall *c)
+{
+ if(!m_pDataList)
+ {
+ c->returnValue()->setBoolean(false);
+ return true;
+ }
+ c->returnValue()->setBoolean(m_pDataList->removeFirst());
+ return true;
+}
+
+bool KviKvsObject_list::function_remove(KviKvsObjectFunctionCall *c)
+{
+ kvs_uint_t uIndex;
+ KVSO_PARAMETERS_BEGIN(c)
+ KVSO_PARAMETER("index",KVS_PT_UINT,0,uIndex)
+ KVSO_PARAMETERS_END(c)
+ if(!m_pDataList)
+ {
+ c->returnValue()->setBoolean(false);
+ return true;
+ }
+ c->returnValue()->setBoolean(m_pDataList->remove(uIndex));
+ return true;
+}
+
+bool KviKvsObject_list::function_at(KviKvsObjectFunctionCall *c)
+{
+ kvs_uint_t uIndex;
+ KVSO_PARAMETERS_BEGIN(c)
+ KVSO_PARAMETER("index",KVS_PT_UINT,0,uIndex)
+ KVSO_PARAMETERS_END(c)
+ if(!m_pDataList)
+ {
+ c->returnValue()->setNothing();
+ return true;
+ }
+ KviKvsVariant * v = m_pDataList->at(uIndex);
+ if(v)c->returnValue()->copyFrom(*v);
+ else c->returnValue()->setNothing();
+ return true;
+}
+
+bool KviKvsObject_list::function_insert(KviKvsObjectFunctionCall *c)
+{
+ kvs_uint_t uIndex;
+ KviKvsVariant * pVar;
+ KVSO_PARAMETERS_BEGIN(c)
+ KVSO_PARAMETER("index",KVS_PT_UINT,0,uIndex)
+ KVSO_PARAMETER("item",KVS_PT_VARIANT,0,pVar)
+ KVSO_PARAMETERS_END(c)
+ if(!m_pDataList)return true;
+ m_pDataList->insert(uIndex,new KviKvsVariant(*pVar));
+ return true;
+}
+
+bool KviKvsObject_list::function_prepend(KviKvsObjectFunctionCall *c)
+{
+ KviKvsVariant * pVar;
+ KVSO_PARAMETERS_BEGIN(c)
+ KVSO_PARAMETER("item",KVS_PT_VARIANT,0,pVar)
+ KVSO_PARAMETERS_END(c)
+ if(!m_pDataList)return true;
+ m_pDataList->prepend(new KviKvsVariant(*pVar));
+ return true;
+}
+
+bool KviKvsObject_list::function_append(KviKvsObjectFunctionCall *c)
+{
+ KviKvsVariant * pVar;
+ KVSO_PARAMETERS_BEGIN(c)
+ KVSO_PARAMETER("item",KVS_PT_VARIANT,0,pVar)
+ KVSO_PARAMETERS_END(c)
+ if(!m_pDataList)return true;
+ m_pDataList->append(new KviKvsVariant(*pVar));
+ return true;
+}
+
+bool KviKvsObject_list::function_clear(KviKvsObjectFunctionCall *c)
+{
+ if(!m_pDataList)return true;
+ m_pDataList->clear();
+ return true;
+}
+
+inline int kvi_compare(const KviKvsVariant * p1,const KviKvsVariant * p2)
+{
+ return p1->compare(p2);
+}
+
+bool KviKvsObject_list::function_sort(KviKvsObjectFunctionCall *c)
+{
+ if(!m_pDataList)return true;
+ m_pDataList->sort();
+ return true;
+}
+
+bool KviKvsObject_list::function_isEmpty(KviKvsObjectFunctionCall *c)
+{
+ if(!m_pDataList)
+ {
+ c->returnValue()->setBoolean(true);
+ return true;
+ }
+ c->returnValue()->setBoolean(m_pDataList->isEmpty());
+ return true;
+}
+
+bool KviKvsObject_list::function_count(KviKvsObjectFunctionCall *c)
+{
+ if(!m_pDataList)
+ {
+ c->returnValue()->setInteger(0);
+ return true;
+ }
+ c->returnValue()->setInteger(m_pDataList->count());
+ return true;
+}
+