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/*
* Copyright (C) 2006 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//
// Provide access to a virtual directory in "asset space". Most of the
// implementation is in the header file or in friend functions in
// AssetManager.
//
#include <utils/AssetDir.h>
using namespace android;
/*
* Find a matching entry in a vector of FileInfo. Because it's sorted, we
* can use a binary search.
*
* Assumes the vector is sorted in ascending order.
*/
/*static*/ int AssetDir::FileInfo::findEntry(const SortedVector<FileInfo>* pVector,
const String8& fileName)
{
FileInfo tmpInfo;
tmpInfo.setFileName(fileName);
return pVector->indexOf(tmpInfo);
#if 0 // don't need this after all (uses 1/2 compares of SortedVector though)
int lo, hi, cur;
lo = 0;
hi = pVector->size() -1;
while (lo <= hi) {
int cmp;
cur = (hi + lo) / 2;
cmp = strcmp(pVector->itemAt(cur).getFileName(), fileName);
if (cmp == 0) {
/* match, bail */
return cur;
} else if (cmp < 0) {
/* too low */
lo = cur + 1;
} else {
/* too high */
hi = cur -1;
}
}
return -1;
#endif
}
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