зеркало из https://github.com/mozilla/pjs.git
104 строки
2.9 KiB
C++
104 строки
2.9 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is HTML Parser C++ Translator code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Mozilla Foundation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2008
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Henri Sivonen <hsivonen@iki.fi>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#ifndef jArray_h__
|
|
#define jArray_h__
|
|
|
|
#define J_ARRAY_STATIC(T, L, arr) \
|
|
jArray<T,L>( ((T*)arr), (sizeof(arr)/sizeof(arr[0])) )
|
|
|
|
template<class T, class L>
|
|
class jArray {
|
|
private:
|
|
T* arr;
|
|
public:
|
|
L length;
|
|
jArray(T* const a, L const len);
|
|
jArray(L const len);
|
|
jArray(const jArray<T,L>& other);
|
|
jArray();
|
|
operator T*() { return arr; }
|
|
T& operator[] (L const index) { return arr[index]; }
|
|
void release() { delete[] arr; arr = 0; length = 0; }
|
|
L binarySearch(T const elem);
|
|
};
|
|
|
|
template<class T, class L>
|
|
jArray<T,L>::jArray(T* const a, L const len)
|
|
: arr(a), length(len)
|
|
{
|
|
}
|
|
|
|
template<class T, class L>
|
|
jArray<T,L>::jArray(L const len)
|
|
: arr(new T[len]), length(len)
|
|
{
|
|
}
|
|
|
|
template<class T, class L>
|
|
jArray<T,L>::jArray(const jArray<T,L>& other)
|
|
: arr(other.arr), length(other.length)
|
|
{
|
|
}
|
|
|
|
template<class T, class L>
|
|
jArray<T,L>::jArray()
|
|
: arr(0), length(0)
|
|
{
|
|
}
|
|
|
|
template<class T, class L>
|
|
L
|
|
jArray<T,L>::binarySearch(T const elem)
|
|
{
|
|
L lo = 0;
|
|
L hi = length - 1;
|
|
while (lo <= hi) {
|
|
L mid = (lo + hi) / 2;
|
|
if (arr[mid] > elem) {
|
|
hi = mid - 1;
|
|
} else if (arr[mid] < elem) {
|
|
lo = mid + 1;
|
|
} else {
|
|
return mid;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
#endif // jArray_h__
|