storage/src/mozStorageStatementParams.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is Oracle Corporation code.
  16  *
  17  * The Initial Developer of the Original Code is
  18  *  Oracle Corporation
  19  * Portions created by the Initial Developer are Copyright (C) 2004
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *   Vladimir Vukicevic <vladimir.vukicevic@oracle.com>
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either the GNU General Public License Version 2 or later (the "GPL"), or
  27  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
  29  * of those above. If you wish to allow use of your version of this file only
  30  * under the terms of either the GPL or the LGPL, and not to allow others to
  31  * use your version of this file under the terms of the MPL, indicate your
  32  * decision by deleting the provisions above and replace them with the notice
  33  * and other provisions required by the GPL or the LGPL. If you do not delete
  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38
  39 #ifndef _MOZSTORAGESTATEMENTPARAMS_H_
  40 #define _MOZSTORAGESTATEMENTPARAMS_H_
  41
  42 #include "mozIStorageStatement.h"
  43 #include "mozIStorageStatementWrapper.h"
  44 #include "nsIXPCScriptable.h"
  45
  46 #include "jsapi.h"
  47 #include "jsdate.h"
  48
  49 class mozStorageStatement;
  50
  51 class mozStorageStatementParams : public mozIStorageStatementParams,
  52                                   public nsIXPCScriptable
  53 {
  54 public:
  55     mozStorageStatementParams(mozIStorageStatement *aStatement);
  56
  57     // interfaces
  58     NS_DECL_ISUPPORTS
  59     NS_DECL_MOZISTORAGESTATEMENTPARAMS
  60     NS_DECL_NSIXPCSCRIPTABLE
  61
  62 protected:
  63     mozIStorageStatement *mStatement;
  64     PRUint32 mParamCount;
  65
  66     friend class mozStorageStatement;
  67 };
  68
  69 static PRBool
  70 JSValStorageStatementBinder (JSContext *cx,
  71                              mozIStorageStatement *aStatement,
  72                              int aIdx,
  73                              jsval val)
  74 {
  75     if (JSVAL_IS_INT(val)) {
  76         int v = JSVAL_TO_INT(val);
  77         (void)aStatement->BindInt32Parameter(aIdx, v);
  78     } else if (JSVAL_IS_DOUBLE(val)) {
  79         double d = *JSVAL_TO_DOUBLE(val);
  80         (void)aStatement->BindDoubleParameter(aIdx, d);
  81     } else if (JSVAL_IS_STRING(val)) {
  82         JSString *str = JSVAL_TO_STRING(val);
  83         (void)aStatement->BindStringParameter(aIdx, nsDependentString(reinterpret_cast<PRUnichar*>(JS_GetStringChars(str)), JS_GetStringLength(str)));
  84     } else if (JSVAL_IS_BOOLEAN(val)) {
  85         (void)aStatement->BindInt32Parameter(aIdx, (val == JSVAL_TRUE) ? 1 : 0);
  86     } else if (JSVAL_IS_NULL(val)) {
  87         (void)aStatement->BindNullParameter(aIdx);
  88     } else if (JSVAL_IS_OBJECT(val)) {
  89         JSObject *obj = JSVAL_TO_OBJECT(val);
  90         // some special things
  91         if (js_DateIsValid (cx, obj)) {
  92             double msecd = js_DateGetMsecSinceEpoch(cx, obj);
  93             msecd *= 1000.0;
  94             PRInt64 msec;
  95             LL_D2L(msec, msecd);
  96
  97             (void)aStatement->BindInt64Parameter(aIdx, msec);
  98         } else {
  99             return PR_FALSE;
 100         }
 101     } else {
 102         return PR_FALSE;
 103     }
 104
 105     return PR_TRUE;
 106 }
 107
 108 #endif /* _MOZSTORAGESTATEMENTPARAMS_H_ */