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authorgeronimo <geronimo013@gmx.de>2012-07-13 04:26:40 +0200
committergeronimo <geronimo013@gmx.de>2012-07-13 04:26:40 +0200
commit2d48ae784ea6828e8626c32c848f64232d8f35c0 (patch)
treefab114b03e91125783a778b835dd1913b039cebe /libs/vdr/include/Vector.h
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initial import
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diff --git a/libs/vdr/include/Vector.h b/libs/vdr/include/Vector.h
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+/**
+ * File: Vector.h
+ * Project: libvdr - classes taken from vdr-project
+ *
+ * from "Video Disk Recorder":
+ *
+ * Copyright (C) 2000, 2003, 2006, 2008 Klaus Schmidinger
+ *
+ * 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 option) 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
+ * Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+ *
+ * The original author can be reached at kls@tvdr.de
+ *
+ * The vdr project's page is at http://www.tvdr.de
+ *
+ */
+#ifndef VECTOR_H
+#define VECTOR_H
+
+#include <stddef.h>
+#include <Logging.h>
+#include <stdlib.h>
+
+template<class T> class cVector {
+ ///< cVector may only be used for *simple* types, like int or pointers - not for class objects that allocate additional memory!
+public:
+ cVector(int Allocated = 10)
+ {
+ allocated = 0;
+ size = 0;
+ data = NULL;
+ Realloc(Allocated);
+ }
+ virtual ~cVector() { free(data); }
+ T& At(int Index) const
+ {
+ Realloc(Index);
+ if (Index >= size)
+ size = Index + 1;
+ return data[Index];
+ }
+ const T& operator[](int Index) const
+ {
+ return At(Index);
+ }
+ T& operator[](int Index)
+ {
+ return At(Index);
+ }
+ int Size(void) const { return size; }
+ virtual void Insert(T Data, int Before = 0)
+ {
+ if (Before < size) {
+ Realloc(size);
+ memmove(&data[Before + 1], &data[Before], (size - Before) * sizeof(T));
+ size++;
+ data[Before] = Data;
+ }
+ else
+ Append(Data);
+ }
+ virtual void Append(T Data)
+ {
+ if (size >= allocated)
+ Realloc(allocated * 3 / 2); // increase size by 50%
+ data[size++] = Data;
+ }
+ virtual void Remove(int Index)
+ {
+ if (Index < size - 1)
+ memmove(&data[Index], &data[Index + 1], (size - Index) * sizeof(T));
+ size--;
+ }
+ virtual void Clear(void)
+ {
+ for (int i = 0; i < size; i++)
+ data[i] = T(0);
+ size = 0;
+ }
+ void Sort(__compar_fn_t Compare)
+ {
+ qsort(data, size, sizeof(T), Compare);
+ }
+
+private:
+ mutable int allocated;
+ mutable int size;
+ mutable T *data;
+ cVector(const cVector &Vector) {} // don't copy...
+ cVector &operator=(const cVector &Vector) { return *this; } // ...or assign this!
+ void Realloc(int Index) const
+ {
+ if (++Index > allocated) {
+ data = (T *)realloc(data, Index * sizeof(T));
+ if (!data) {
+ esyslog("ERROR: out of memory - abort!");
+ abort();
+ }
+ for (int i = allocated; i < Index; i++)
+ data[i] = T(0);
+ allocated = Index;
+ }
+ }
+ };
+
+#endif /* VECTOR_H */
+