storage/src/mozStorageRow.h

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   4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5  *
   6  * The contents of this file are subject to the Mozilla Public License Version
   7  * 1.1 (the "License"); you may not use this file except in compliance with
   8  * the License. You may obtain a copy of the License at
   9  * http://www.mozilla.org/MPL/
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  16  * The Original Code is mozilla.org code.
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  19  * Mozilla Corporation
  20  * Portions created by the Initial Developer are Copyright (C) 2008
  21  * the Initial Developer. All Rights Reserved.
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  23  * Contributor(s):
  24  *   Shawn Wilsher <me@shawnwilsher.com> (Original Author)
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  26  * Alternatively, the contents of this file may be used under the terms of
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  39
  40 #ifndef __mozStorageRow_h__
  41 #define __mozStorageRow_h__
  42
  43 #include "mozIStorageRow.h"
  44 #include "nsCOMArray.h"
  45 #include "nsDataHashtable.h"
  46 class nsIVariant;
  47 struct sqlite3_stmt;
  48
  49 class mozStorageRow : public mozIStorageRow
  50 {
  51 public:
  52   NS_DECL_ISUPPORTS
  53   NS_DECL_MOZISTORAGEROW
  54   NS_DECL_MOZISTORAGEVALUEARRAY
  55
  56   /**
  57    * Initializes the object with the given statement.  Copies the values from
  58    * the statement.
  59    *
  60    * @param aStatement
  61    *        The sqlite statement to pull results from.
  62    */
  63   nsresult initialize(sqlite3_stmt *aStatement);
  64
  65 private:
  66   /**
  67    * The number of columns in this tuple.
  68    */
  69   PRUint32 mNumCols;
  70
  71   /**
  72    * Stores the data in the tuple.
  73    */
  74   nsCOMArray<nsIVariant> mData;
  75
  76   /**
  77    * Maps a given name to a column index.
  78    */
  79   nsDataHashtable<nsCStringHashKey, PRUint32> mNameHashtable;
  80 };
  81
  82 #endif // __mozStorageRow_h__