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