diff -r 000000000000 -r b7aa2b626807 core/CellArray.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/core/CellArray.h Sun Mar 30 07:00:22 2008 +0000
@@ -0,0 +1,196 @@
+/**
+ * vim: set ts=4 :
+ * =============================================================================
+ * SourceMod
+ * Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
+ * =============================================================================
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, version 3.0, as published by the
+ * Free Software Foundation.
+ *
+ * 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, see .
+ *
+ * As a special exception, AlliedModders LLC gives you permission to link the
+ * code of this program (as well as its derivative works) to "Half-Life 2," the
+ * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
+ * by the Valve Corporation. You must obey the GNU General Public License in
+ * all respects for all other code used. Additionally, AlliedModders LLC grants
+ * this exception to all derivative works. AlliedModders LLC defines further
+ * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
+ * or .
+ *
+ * Version: $Id$
+ */
+
+#include
+#include
+
+extern HandleType_t htCellArray;
+
+class CellArray
+{
+public:
+ CellArray(size_t blocksize) : m_Data(NULL), m_BlockSize(blocksize), m_AllocSize(0), m_Size(0)
+ {
+ }
+ ~CellArray()
+ {
+ free(m_Data);
+ }
+ size_t size() const
+ {
+ return m_Size;
+ }
+ cell_t *push()
+ {
+ if (!GrowIfNeeded(1))
+ {
+ return NULL;
+ }
+ cell_t *arr = &m_Data[m_Size * m_BlockSize];
+ m_Size++;
+ return arr;
+ }
+ cell_t *at(size_t b) const
+ {
+ return &m_Data[b * m_BlockSize];
+ }
+ size_t blocksize() const
+ {
+ return m_BlockSize;
+ }
+ void clear()
+ {
+ m_Size = 0;
+ }
+ bool swap(size_t item1, size_t item2)
+ {
+ /* Make sure there is extra space available */
+ if (!GrowIfNeeded(1))
+ {
+ return false;
+ }
+
+ cell_t *pri = at(item1);
+ cell_t *alt = at(item2);
+
+ /* Get our temporary array 1 after the limit */
+ cell_t *temp = &m_Data[m_Size * m_BlockSize];
+
+ memcpy(temp, pri, sizeof(cell_t) * m_BlockSize);
+ memcpy(pri, alt, sizeof(cell_t) * m_BlockSize);
+ memcpy(alt, temp, sizeof(cell_t) * m_BlockSize);
+
+ return true;
+ }
+ void remove(size_t index)
+ {
+ /* If we're at the end, take the easy way out */
+ if (index == m_Size - 1)
+ {
+ m_Size--;
+ return;
+ }
+
+ /* Otherwise, it's time to move stuff! */
+ size_t remaining_indexes = (m_Size - 1) - index;
+ cell_t *src = at(index + 1);
+ cell_t *dest = at(index);
+ memmove(dest, src, sizeof(cell_t) * m_BlockSize * remaining_indexes);
+
+ m_Size--;
+ }
+ cell_t *insert_at(size_t index)
+ {
+ /* Make sure it'll fit */
+ if (!GrowIfNeeded(1))
+ {
+ return NULL;
+ }
+
+ /* move everything up */
+ cell_t *src = at(index);
+ cell_t *dst = at(index + 1);
+ memmove(dst, src, sizeof(cell_t) * m_BlockSize * (m_Size-index));
+
+ m_Size++;
+
+ return src;
+ }
+ bool resize(size_t count)
+ {
+ if (count <= m_Size)
+ {
+ m_Size = count;
+ return true;
+ }
+
+ if(!GrowIfNeeded(count - m_Size))
+ {
+ return false;
+ }
+
+ m_Size = count;
+ return true;
+ }
+
+ CellArray *clone()
+ {
+ CellArray *array = new CellArray(m_BlockSize);
+ array->m_AllocSize = m_AllocSize;
+ array->m_Size = m_Size;
+ array->m_Data = (cell_t *)malloc(sizeof(cell_t) * m_BlockSize * m_AllocSize);
+ memcpy(array->m_Data, m_Data, sizeof(cell_t) * m_BlockSize * m_Size);
+ return array;
+ }
+
+ cell_t *base()
+ {
+ return m_Data;
+ }
+
+ size_t mem_usage()
+ {
+ return m_AllocSize * m_BlockSize * sizeof(cell_t);
+ }
+
+private:
+ bool GrowIfNeeded(size_t count)
+ {
+ /* Shortcut out if we can store this */
+ if (m_Size + count <= m_AllocSize)
+ {
+ return true;
+ }
+ /* Set a base allocation size of 8 items */
+ if (!m_AllocSize)
+ {
+ m_AllocSize = 8;
+ }
+ /* If it's not enough, keep doubling */
+ while (m_Size + count > m_AllocSize)
+ {
+ m_AllocSize *= 2;
+ }
+ /* finally, allocate the new block */
+ if (m_Data)
+ {
+ m_Data = (cell_t *)realloc(m_Data, sizeof(cell_t) * m_BlockSize * m_AllocSize);
+ } else {
+ m_Data = (cell_t *)malloc(sizeof(cell_t) * m_BlockSize * m_AllocSize);
+ }
+ return (m_Data != NULL);
+ }
+private:
+ cell_t *m_Data;
+ size_t m_BlockSize;
+ size_t m_AllocSize;
+ size_t m_Size;
+};