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/*
* Copyright (C) 2009 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.
*/
//
// Sortable array of strings. STL-ish, but STL-free.
//
#ifndef _LIBS_UTILS_STRING_ARRAY_H
#define _LIBS_UTILS_STRING_ARRAY_H
#include <stdlib.h>
#include <string.h>
namespace android {
//
// An expanding array of strings. Add, get, sort, delete.
//
class StringArray {
public:
StringArray();
virtual ~StringArray();
//
// Add a string. A copy of the string is made.
//
bool push_back(const char* str);
//
// Delete an entry.
//
void erase(int idx);
//
// Sort the array.
//
void sort(int (*compare)(const void*, const void*));
//
// Pass this to the sort routine to do an ascending alphabetical sort.
//
static int cmpAscendingAlpha(const void* pstr1, const void* pstr2);
//
// Get the #of items in the array.
//
inline int size(void) const { return mCurrent; }
//
// Return entry N.
// [should use operator[] here]
//
const char* getEntry(int idx) const {
return (unsigned(idx) >= unsigned(mCurrent)) ? NULL : mArray[idx];
}
//
// Set entry N to specified string.
// [should use operator[] here]
//
void setEntry(int idx, const char* str);
private:
int mMax;
int mCurrent;
char** mArray;
};
}; // namespace android
#endif // _LIBS_UTILS_STRING_ARRAY_H
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