84 lines
1.9 KiB
C++
84 lines
1.9 KiB
C++
/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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//
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// Sortable array of strings. STL-ish, but STL-free.
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//
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#ifndef _LIBS_UTILS_STRING_ARRAY_H
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#define _LIBS_UTILS_STRING_ARRAY_H
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#include <stdlib.h>
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#include <string.h>
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namespace android {
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//
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// An expanding array of strings. Add, get, sort, delete.
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//
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class StringArray {
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public:
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StringArray();
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virtual ~StringArray();
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//
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// Add a string. A copy of the string is made.
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//
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bool push_back(const char* str);
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//
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// Delete an entry.
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//
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void erase(int idx);
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//
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// Sort the array.
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//
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void sort(int (*compare)(const void*, const void*));
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//
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// Pass this to the sort routine to do an ascending alphabetical sort.
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//
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static int cmpAscendingAlpha(const void* pstr1, const void* pstr2);
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//
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// Get the #of items in the array.
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//
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inline int size(void) const { return mCurrent; }
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//
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// Return entry N.
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// [should use operator[] here]
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//
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const char* getEntry(int idx) const {
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return (unsigned(idx) >= unsigned(mCurrent)) ? NULL : mArray[idx];
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}
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//
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// Set entry N to specified string.
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// [should use operator[] here]
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//
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void setEntry(int idx, const char* str);
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private:
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int mMax;
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int mCurrent;
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char** mArray;
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};
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}; // namespace android
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#endif // _LIBS_UTILS_STRING_ARRAY_H
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