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+// Copyright (C) 2003 Mooffie <mooffie@typo.co.il>
+//
+// 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+
+#ifndef BDE_SIMPLEVEC_H
+#define BDE_SIMPLEVEC_H
+
+#include <vector>
+
+// For some vectors we use our DirectVector instead of STL's vector.
+//
+// Why's that?
+//
+// In this application I use vector<T> mostly as an "enhanced" array.
+// Unfortunately, STL's vector<T>::iterator is not necessarily a pointer to
+// T. That's the case in newer STL libraries provided with GNU C++.
+//
+// DirectVector accepts T* arguments.
+
+template <class T>
+class DirectVector {
+ std::vector<T> vec;
+public:
+ typedef size_t size_type;
+
+ DirectVector(): vec() {}
+ DirectVector(size_type n): vec(n) {}
+ DirectVector(size_type n, const T& t): vec(n, t) {}
+ DirectVector(const DirectVector& other_vec): vec(other_vec.vec) {}
+ DirectVector(const T *first, const T *last): vec(first, last) {}
+ DirectVector& operator=(const DirectVector& other_vec) {
+ vec.operator=(other_vec.vec);
+ return *this;
+ }
+
+ size_type size() const { return vec.size(); }
+ size_type capacity() const { return vec.capacity(); }
+ bool empty() const { return vec.empty(); }
+ T* begin() { return &vec[0]; }
+ T* end() { return (begin() + size()); }
+ const T* begin() const { return &vec[0]; }
+ const T* end() const { return (begin() + size()); }
+ T& operator[] (size_type n) { return vec[n]; }
+ const T& operator[] (size_type n) const { return vec[n]; }
+
+ void reserve(size_type n) { vec.reserve(n); }
+ void resize(size_type n) { vec.resize(n); }
+ T& back() { return vec.back(); }
+ T& front() { return vec.front(); }
+ const T& front() const { return vec.front(); }
+ const T& back() const { return vec.back(); }
+
+ void push_back(const T& x) { vec.push_back(x); }
+ void pop_back() { vec.pop_back(); }
+
+ void swap(DirectVector& other_vec) { vec.swap(other_vec); }
+ void clear() { vec.clear(); }
+
+ // Note the "&*expression" syntax. "*" dereferences the iterator
+ // and "&" gives us the pointer we need.
+ T* insert(T* pos, const T& x) {
+ return &*vec.insert(vec.begin() + (pos - begin()), x);
+ }
+ void insert(T* pos, const T* first, const T* last) {
+ vec.insert(vec.begin() + (pos - begin()), first, last);
+ }
+ void insert(T* pos, size_type n, const T& x) {
+ vec.insert(vec.begin() + (pos - begin()), n, x);
+ }
+ T* erase(T* pos) {
+ return &*vec.erase(vec.begin() + (pos - begin()));
+ }
+ T* erase(T* first, T* last) {
+ return &*vec.erase(vec.begin() + (first - begin()),
+ vec.begin() + (last - begin()));
+ }
+
+ bool operator==(const DirectVector &other) const { return vec == other.vec; }
+ bool operator!=(const DirectVector &other) const { return vec != other.vec; }
+ bool operator<(const DirectVector &other) const { return vec < other.vec; }
+};
+
+#endif
+