/usr/include/firefox/jArray.h is in firefox-dev 11.0+build1-0ubuntu4.
This file is owned by root:root, with mode 0o644.
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* Copyright (c) 2008-2010 Mozilla Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef jArray_h_
#define jArray_h_
#include "nsDebug.h"
template<class T, class L>
struct staticJArray {
const T* arr;
const L length;
operator T*() { return arr; }
T& operator[] (L const index) { return ((T*)arr)[index]; }
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;
}
};
template<class T, class L>
struct jArray {
T* arr;
L length;
static jArray<T,L> newJArray(L const len) {
NS_ASSERTION(len >= 0, "Bad length.");
jArray<T,L> newArray = { new T[len], len };
return newArray;
}
operator T*() { return arr; }
T& operator[] (L const index) { return arr[index]; }
void operator=(staticJArray<T,L>& other) {
arr = (T*)other.arr;
length = other.length;
}
};
template<class T, class L>
class autoJArray {
private:
T* arr;
public:
L length;
autoJArray()
: arr(0)
, length(0)
{
}
autoJArray(const jArray<T,L>& other)
: arr(other.arr)
, length(other.length)
{
}
~autoJArray()
{
delete[] arr;
}
operator T*() { return arr; }
T& operator[] (L const index) { return arr[index]; }
operator jArray<T,L>() {
// WARNING! This makes it possible to goof with buffer ownership!
// This is needed for the getStack and getListOfActiveFormattingElements
// methods to work sensibly.
jArray<T,L> newArray = { arr, length };
return newArray;
}
void operator=(const jArray<T,L>& other) {
delete[] arr;
arr = other.arr;
length = other.length;
}
void operator=(L zero) {
// Make assigning null to an array in Java delete the buffer in C++
NS_ASSERTION(!zero, "Non-zero integer assigned to jArray.");
delete[] arr;
arr = 0;
length = 0;
}
};
#endif // jArray_h_
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