LCOV - code coverage report
Current view: directory - storage/src - variantToSQLiteT_impl.h (source / functions) Found Hit Coverage
Test: app.info Lines: 35 33 94.3 %
Date: 2012-06-02 Functions: 2 2 100.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
       2                 :  * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
       3                 :  * ***** BEGIN LICENSE BLOCK *****
       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/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is mozilla.org code.
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is
      19                 :  * Mozilla Corporation
      20                 :  * Portions created by the Initial Developer are Copyright (C) 2009
      21                 :  * the Initial Developer. All Rights Reserved.
      22                 :  *
      23                 :  * Contributor(s):
      24                 :  *   Vladimir Vukicevic <vladimir.vukicevic@oracle.com>
      25                 :  *   Shawn Wilsher <me@shawnwilsher.com>
      26                 :  *
      27                 :  * Alternatively, the contents of this file may be used under the terms of
      28                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      29                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      30                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      31                 :  * of those above. If you wish to allow use of your version of this file only
      32                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      33                 :  * use your version of this file under the terms of the MPL, indicate your
      34                 :  * decision by deleting the provisions above and replace them with the notice
      35                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      36                 :  * the provisions above, a recipient may use your version of this file under
      37                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      38                 :  *
      39                 :  * ***** END LICENSE BLOCK ***** */
      40                 : 
      41                 : // Note: we are already in the namepace mozilla::storage
      42                 : 
      43                 : // Note 2: whoever #includes this file must provide implementations of
      44                 : // sqlite3_T_* prior.
      45                 : 
      46                 : ////////////////////////////////////////////////////////////////////////////////
      47                 : //// variantToSQLiteT Implementation
      48                 : 
      49                 : template <typename T>
      50                 : int
      51          468217 : variantToSQLiteT(T aObj,
      52                 :                  nsIVariant *aValue)
      53                 : {
      54                 :   // Allow to return NULL not wrapped to nsIVariant for speed.
      55          468217 :   if (!aValue)
      56               2 :     return sqlite3_T_null(aObj);
      57                 : 
      58                 :   PRUint16 type;
      59          468215 :   (void)aValue->GetDataType(&type);
      60          468211 :   switch (type) {
      61                 :     case nsIDataType::VTYPE_INT8:
      62                 :     case nsIDataType::VTYPE_INT16:
      63                 :     case nsIDataType::VTYPE_INT32:
      64                 :     case nsIDataType::VTYPE_UINT8:
      65                 :     case nsIDataType::VTYPE_UINT16:
      66                 :     {
      67                 :       PRInt32 value;
      68             756 :       nsresult rv = aValue->GetAsInt32(&value);
      69             756 :       NS_ENSURE_SUCCESS(rv, SQLITE_MISMATCH);
      70             756 :       return sqlite3_T_int(aObj, value);
      71                 :     }
      72                 :     case nsIDataType::VTYPE_UINT32: // Try to preserve full range
      73                 :     case nsIDataType::VTYPE_INT64:
      74                 :     // Data loss possible, but there is no unsigned types in SQLite
      75                 :     case nsIDataType::VTYPE_UINT64:
      76                 :     {
      77                 :       PRInt64 value;
      78          236404 :       nsresult rv = aValue->GetAsInt64(&value);
      79          236401 :       NS_ENSURE_SUCCESS(rv, SQLITE_MISMATCH);
      80          236401 :       return sqlite3_T_int64(aObj, value);
      81                 :     }
      82                 :     case nsIDataType::VTYPE_FLOAT:
      83                 :     case nsIDataType::VTYPE_DOUBLE:
      84                 :     {
      85                 :       double value;
      86           12768 :       nsresult rv = aValue->GetAsDouble(&value);
      87           12768 :       NS_ENSURE_SUCCESS(rv, SQLITE_MISMATCH);
      88           12768 :       return sqlite3_T_double(aObj, value);
      89                 :     }
      90                 :     case nsIDataType::VTYPE_BOOL:
      91                 :     {
      92                 :       bool value;
      93             382 :       nsresult rv = aValue->GetAsBool(&value);
      94             382 :       NS_ENSURE_SUCCESS(rv, SQLITE_MISMATCH);
      95             382 :       return sqlite3_T_int(aObj, value ? 1 : 0);
      96                 :     }
      97                 :     case nsIDataType::VTYPE_CHAR:
      98                 :     case nsIDataType::VTYPE_CHAR_STR:
      99                 :     case nsIDataType::VTYPE_STRING_SIZE_IS:
     100                 :     case nsIDataType::VTYPE_UTF8STRING:
     101                 :     case nsIDataType::VTYPE_CSTRING:
     102                 :     {
     103          217056 :       nsCAutoString value;
     104                 :       // GetAsAUTF8String should never perform conversion when coming from
     105                 :       // 8-bit string types, and thus can accept strings with arbitrary encoding
     106                 :       // (including UTF8 and ASCII).
     107          108528 :       nsresult rv = aValue->GetAsAUTF8String(value);
     108          108528 :       NS_ENSURE_SUCCESS(rv, SQLITE_MISMATCH);
     109          108528 :       return sqlite3_T_text(aObj, value);
     110                 :     }
     111                 :     case nsIDataType::VTYPE_WCHAR:
     112                 :     case nsIDataType::VTYPE_DOMSTRING:
     113                 :     case nsIDataType::VTYPE_WCHAR_STR:
     114                 :     case nsIDataType::VTYPE_WSTRING_SIZE_IS:
     115                 :     case nsIDataType::VTYPE_ASTRING:
     116                 :     {
     117          149964 :       nsAutoString value;
     118                 :       // GetAsAString does proper conversion to UCS2 from all string-like types.
     119                 :       // It can be used universally without problems (unless someone implements
     120                 :       // their own variant, but that's their problem).
     121           74982 :       nsresult rv = aValue->GetAsAString(value);
     122           74982 :       NS_ENSURE_SUCCESS(rv, SQLITE_MISMATCH);
     123           74982 :       return sqlite3_T_text16(aObj, value);
     124                 :     }
     125                 :     case nsIDataType::VTYPE_VOID:
     126                 :     case nsIDataType::VTYPE_EMPTY:
     127                 :     case nsIDataType::VTYPE_EMPTY_ARRAY:
     128           26343 :       return sqlite3_T_null(aObj);
     129                 :     case nsIDataType::VTYPE_ARRAY:
     130                 :     {
     131                 :       PRUint16 type;
     132                 :       nsIID iid;
     133                 :       PRUint32 count;
     134                 :       void *data;
     135            8044 :       nsresult rv = aValue->GetAsArray(&type, &iid, &count, &data);
     136            8044 :       NS_ENSURE_SUCCESS(rv, SQLITE_MISMATCH);
     137                 : 
     138                 :       // Check to make sure it's a supported type.
     139            8044 :       NS_ASSERTION(type == nsIDataType::VTYPE_UINT8,
     140                 :                    "Invalid type passed!  You may leak!");
     141            8044 :       if (type != nsIDataType::VTYPE_UINT8) {
     142                 :         // Technically this could leak with certain data types, but somebody was
     143                 :         // being stupid passing us this anyway.
     144               0 :         NS_Free(data);
     145               0 :         return SQLITE_MISMATCH;
     146                 :       }
     147                 : 
     148                 :       // Finally do our thing.  The function should free the array accordingly!
     149            8044 :       int rc = sqlite3_T_blob(aObj, data, count);
     150            8044 :       return rc;
     151                 :     }
     152                 :     // Maybe, it'll be possible to convert these
     153                 :     // in future too.
     154                 :     case nsIDataType::VTYPE_ID:
     155                 :     case nsIDataType::VTYPE_INTERFACE:
     156                 :     case nsIDataType::VTYPE_INTERFACE_IS:
     157                 :     default:
     158               4 :       return SQLITE_MISMATCH;
     159                 :   }
     160                 :   return SQLITE_OK;
     161                 : }

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