LCOV - code coverage report
Current view: directory - storage/src - mozStorageAsyncStatementParams.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 38 37 97.4 %
Date: 2012-06-02 Functions: 6 6 100.0 %

       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 Oracle Corporation code.
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is
      19                 :  *  Oracle Corporation
      20                 :  * Portions created by the Initial Developer are Copyright (C) 2004
      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                 : #include "nsMemory.h"
      42                 : #include "nsString.h"
      43                 : #include "nsCOMPtr.h"
      44                 : 
      45                 : #include "mozStoragePrivateHelpers.h"
      46                 : #include "mozStorageAsyncStatement.h"
      47                 : #include "mozStorageAsyncStatementParams.h"
      48                 : #include "mozIStorageStatement.h"
      49                 : 
      50                 : namespace mozilla {
      51                 : namespace storage {
      52                 : 
      53                 : ////////////////////////////////////////////////////////////////////////////////
      54                 : //// AsyncStatementParams
      55                 : 
      56            1276 : AsyncStatementParams::AsyncStatementParams(AsyncStatement *aStatement)
      57            1276 : : mStatement(aStatement)
      58                 : {
      59            1276 :   NS_ASSERTION(mStatement != nsnull, "mStatement is null");
      60            1276 : }
      61                 : 
      62           39578 : NS_IMPL_ISUPPORTS2(
      63                 :   AsyncStatementParams
      64                 : , mozIStorageStatementParams
      65                 : , nsIXPCScriptable
      66                 : )
      67                 : 
      68                 : ////////////////////////////////////////////////////////////////////////////////
      69                 : //// nsIXPCScriptable
      70                 : 
      71                 : #define XPC_MAP_CLASSNAME AsyncStatementParams
      72                 : #define XPC_MAP_QUOTED_CLASSNAME "AsyncStatementParams"
      73                 : #define XPC_MAP_WANT_SETPROPERTY
      74                 : #define XPC_MAP_WANT_NEWRESOLVE
      75                 : #define XPC_MAP_FLAGS nsIXPCScriptable::ALLOW_PROP_MODS_DURING_RESOLVE
      76                 : #include "xpc_map_end.h"
      77                 : 
      78                 : NS_IMETHODIMP
      79           15645 : AsyncStatementParams::SetProperty(
      80                 :   nsIXPConnectWrappedNative *aWrapper,
      81                 :   JSContext *aCtx,
      82                 :   JSObject *aScopeObj,
      83                 :   jsid aId,
      84                 :   jsval *_vp,
      85                 :   bool *_retval
      86                 : )
      87                 : {
      88           15645 :   NS_ENSURE_TRUE(mStatement, NS_ERROR_NOT_INITIALIZED);
      89                 : 
      90           15645 :   if (JSID_IS_INT(aId)) {
      91               4 :     int idx = JSID_TO_INT(aId);
      92                 : 
      93               8 :     nsCOMPtr<nsIVariant> variant(convertJSValToVariant(aCtx, *_vp));
      94               4 :     NS_ENSURE_TRUE(variant, NS_ERROR_UNEXPECTED);
      95               4 :     nsresult rv = mStatement->BindByIndex(idx, variant);
      96               4 :     NS_ENSURE_SUCCESS(rv, rv);
      97                 :   }
      98           15641 :   else if (JSID_IS_STRING(aId)) {
      99           15641 :     JSString *str = JSID_TO_STRING(aId);
     100                 :     size_t length;
     101           15641 :     const jschar *chars = JS_GetInternedStringCharsAndLength(str, &length);
     102           31282 :     NS_ConvertUTF16toUTF8 name(chars, length);
     103                 : 
     104           31282 :     nsCOMPtr<nsIVariant> variant(convertJSValToVariant(aCtx, *_vp));
     105           15641 :     NS_ENSURE_TRUE(variant, NS_ERROR_UNEXPECTED);
     106           15641 :     nsresult rv = mStatement->BindByName(name, variant);
     107           15641 :     NS_ENSURE_SUCCESS(rv, rv);
     108                 :   }
     109                 :   else {
     110               0 :     return NS_ERROR_INVALID_ARG;
     111                 :   }
     112                 : 
     113           15645 :   *_retval = true;
     114           15645 :   return NS_OK;
     115                 : }
     116                 : 
     117                 : NS_IMETHODIMP
     118            2876 : AsyncStatementParams::NewResolve(
     119                 :   nsIXPConnectWrappedNative *aWrapper,
     120                 :   JSContext *aCtx,
     121                 :   JSObject *aScopeObj,
     122                 :   jsid aId,
     123                 :   PRUint32 aFlags,
     124                 :   JSObject **_objp,
     125                 :   bool *_retval
     126                 : )
     127                 : {
     128            2876 :   NS_ENSURE_TRUE(mStatement, NS_ERROR_NOT_INITIALIZED);
     129                 :   // We do not throw at any point after this because we want to allow the
     130                 :   // prototype chain to be checked for the property.
     131                 : 
     132            2876 :   bool resolved = false;
     133            2876 :   bool ok = true;
     134            2876 :   if (JSID_IS_INT(aId)) {
     135               4 :     PRUint32 idx = JSID_TO_INT(aId);
     136                 :     // All indexes are good because we don't know how many parameters there
     137                 :     // really are.
     138                 :     ok = ::JS_DefineElement(aCtx, aScopeObj, idx, JSVAL_VOID, nsnull,
     139               4 :                             nsnull, 0);
     140               4 :     resolved = true;
     141                 :   }
     142            2872 :   else if (JSID_IS_STRING(aId)) {
     143                 :     // We are unable to tell if there's a parameter with this name and so
     144                 :     // we must assume that there is.  This screws the rest of the prototype
     145                 :     // chain, but people really shouldn't be depending on this anyways.
     146                 :     ok = ::JS_DefinePropertyById(aCtx, aScopeObj, aId, JSVAL_VOID, nsnull,
     147            2872 :                                  nsnull, 0);
     148            2872 :     resolved = true;
     149                 :   }
     150                 : 
     151            2876 :   *_retval = ok;
     152            2876 :   *_objp = resolved && ok ? aScopeObj : nsnull;
     153            2876 :   return NS_OK;
     154                 : }
     155                 : 
     156                 : } // namespace storage
     157                 : } // namespace mozilla

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