rename string_array.h to StringArray.h and move the implementation from the... (861aa2f0) · Commits · e / os / platform_frameworks_native

include/utils/string_array.h→include/utils/StringArray.h

+83 −0

Original line number	Original line	Diff line number	Diff line
	/*		/*
	* Copyright (C) 2005 The Android Open Source Project		* Copyright (C) 2009 The Android Open Source Project
	*		*
	* Licensed under the Apache License, Version 2.0 (the "License");		* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.		* you may not use this file except in compliance with the License.
	@@ -30,71 +30,28 @@ namespace android {
	//		//
	class StringArray {		class StringArray {
	public:		public:
	StringArray()		StringArray();
	: mMax(0), mCurrent(0), mArray(NULL)		virtual ~StringArray();
	{}
	virtual ~StringArray() {
	for (int i = 0; i < mCurrent; i++)
	delete[] mArray[i];
	delete[] mArray;
	}

	//		//
	// Add a string. A copy of the string is made.		// Add a string. A copy of the string is made.
	//		//
	bool push_back(const char* str) {		bool push_back(const char* str);
	if (mCurrent >= mMax) {
	char** tmp;

	if (mMax == 0)
	mMax = 16; // initial storage
	else
	mMax *= 2;

	tmp = new char*[mMax];
	if (tmp == NULL)
	return false;

	memcpy(tmp, mArray, mCurrent * sizeof(char*));
	delete[] mArray;
	mArray = tmp;
	}

	int len = strlen(str);
	mArray[mCurrent] = new char[len+1];
	memcpy(mArray[mCurrent], str, len+1);
	mCurrent++;

	return true;
	}

	//		//
	// Delete an entry.		// Delete an entry.
	//		//
	void erase(int idx) {		void erase(int idx);
	if (idx < 0 \|\| idx >= mCurrent)
	return;
	delete[] mArray[idx];
	if (idx < mCurrent-1) {
	memmove(&mArray[idx], &mArray[idx+1],
	(mCurrent-1 - idx) * sizeof(char*));
	}
	mCurrent--;
	}

	//		//
	// Sort the array.		// Sort the array.
	//		//
	void sort(int (compare)(const void, const void*)) {		void sort(int (compare)(const void, const void*));
	qsort(mArray, mCurrent, sizeof(char*), compare);
	}

	//		//
	// Pass this to the sort routine to do an ascending alphabetical sort.		// Pass this to the sort routine to do an ascending alphabetical sort.
	//		//
	static int cmpAscendingAlpha(const void* pstr1, const void* pstr2) {		static int cmpAscendingAlpha(const void* pstr1, const void* pstr2);
	return strcmp((const char)pstr1, (const char**)pstr2);
	}

	//		//
	// Get the #of items in the array.		// Get the #of items in the array.
	@@ -106,23 +63,14 @@ public:
	// [should use operator[] here]		// [should use operator[] here]
	//		//
	const char* getEntry(int idx) const {		const char* getEntry(int idx) const {
	if (idx < 0 \|\| idx >= mCurrent)		return (unsigned(idx) >= unsigned(mCurrent)) ? NULL : mArray[idx];
	return NULL;
	return mArray[idx];
	}		}

	//		//
	// Set entry N to specified string.		// Set entry N to specified string.
	// [should use operator[] here]		// [should use operator[] here]
	//		//
	void setEntry(int idx, const char* str) {		void setEntry(int idx, const char* str);
	if (idx < 0 \|\| idx >= mCurrent)
	return;
	delete[] mArray[idx];
	int len = strlen(str);
	mArray[idx] = new char[len+1];
	memcpy(mArray[idx], str, len+1);
	}

	private:		private:
	int mMax;		int mMax;

libs/utils/Android.mk

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -32,6 +32,7 @@ commonSources:= \
	StopWatch.cpp \		StopWatch.cpp \
	String8.cpp \		String8.cpp \
	String16.cpp \		String16.cpp \
			StringArray.cpp \
	SystemClock.cpp \		SystemClock.cpp \
	TextOutput.cpp \		TextOutput.cpp \
	Threads.cpp \		Threads.cpp \

libs/utils/StringArray.cpp

0 → 100644

+113 −0

Original line number	Original line	Diff line number	Diff line
			/*
			* 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.
			//

			#include <stdlib.h>
			#include <string.h>

			#include <utils/StringArray.h>

			namespace android {

			//
			// An expanding array of strings. Add, get, sort, delete.
			//
			StringArray::StringArray()
			: mMax(0), mCurrent(0), mArray(NULL)
			{
			}

			StringArray:: ~StringArray() {
			for (int i = 0; i < mCurrent; i++)
			delete[] mArray[i];
			delete[] mArray;
			}

			//
			// Add a string. A copy of the string is made.
			//
			bool StringArray::push_back(const char* str) {
			if (mCurrent >= mMax) {
			char** tmp;

			if (mMax == 0)
			mMax = 16; // initial storage
			else
			mMax *= 2;

			tmp = new char*[mMax];
			if (tmp == NULL)
			return false;

			memcpy(tmp, mArray, mCurrent * sizeof(char*));
			delete[] mArray;
			mArray = tmp;
			}

			int len = strlen(str);
			mArray[mCurrent] = new char[len+1];
			memcpy(mArray[mCurrent], str, len+1);
			mCurrent++;

			return true;
			}

			//
			// Delete an entry.
			//
			void StringArray::erase(int idx) {
			if (idx < 0 \|\| idx >= mCurrent)
			return;
			delete[] mArray[idx];
			if (idx < mCurrent-1) {
			memmove(&mArray[idx], &mArray[idx+1],
			(mCurrent-1 - idx) * sizeof(char*));
			}
			mCurrent--;
			}

			//
			// Sort the array.
			//
			void StringArray::sort(int (compare)(const void, const void*)) {
			qsort(mArray, mCurrent, sizeof(char*), compare);
			}

			//
			// Pass this to the sort routine to do an ascending alphabetical sort.
			//
			int StringArray::cmpAscendingAlpha(const void* pstr1, const void* pstr2) {
			return strcmp((const char)pstr1, (const char**)pstr2);
			}

			//
			// Set entry N to specified string.
			// [should use operator[] here]
			//
			void StringArray::setEntry(int idx, const char* str) {
			if (idx < 0 \|\| idx >= mCurrent)
			return;
			delete[] mArray[idx];
			int len = strlen(str);
			mArray[idx] = new char[len+1];
			memcpy(mArray[idx], str, len+1);
			}


			}; // namespace android