libutils clean-up
Change-Id: I3bf32d72aa8eec627249a675c130c91a8aff6710
diff --git a/media/libmedia/StringArray.h b/media/libmedia/StringArray.h
new file mode 100644
index 0000000..ae47085
--- /dev/null
+++ b/media/libmedia/StringArray.h
@@ -0,0 +1,83 @@
+/*
+ * 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_MEDIA_STRING_ARRAY_H
+#define _LIBS_MEDIA_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_MEDIA_STRING_ARRAY_H