gecko/storage/src/mozStorageStatementParams.h

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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Oracle Corporation code.
 *
 * The Initial Developer of the Original Code is
 *  Oracle Corporation
 * Portions created by the Initial Developer are Copyright (C) 2004
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *   Vladimir Vukicevic <vladimir.vukicevic@oracle.com>
 *
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 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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#ifndef _MOZSTORAGESTATEMENTPARAMS_H_
#define _MOZSTORAGESTATEMENTPARAMS_H_

#include "mozIStorageStatementWrapper.h"
#include "nsIXPCScriptable.h"

#include "jsapi.h"
#include "jsdate.h"

class mozIStorageStatement;
class mozStorageStatement;

namespace mozilla {
namespace storage {

class StatementParams : public mozIStorageStatementParams
                      , public nsIXPCScriptable
{
public:
  StatementParams(mozIStorageStatement *aStatement);

  // interfaces
  NS_DECL_ISUPPORTS
  NS_DECL_MOZISTORAGESTATEMENTPARAMS
  NS_DECL_NSIXPCSCRIPTABLE

protected:
  mozIStorageStatement *mStatement;
  PRUint32 mParamCount;

  friend class ::mozStorageStatement;
};

static
PRBool
JSValStorageStatementBinder(JSContext *aCtx,
                            mozIStorageStatement *aStatement,
                            int aIdx,
                            jsval aValue)
{
  if (JSVAL_IS_INT(aValue)) {
    int v = JSVAL_TO_INT(aValue);
    (void)aStatement->BindInt32Parameter(aIdx, v);
  }
  else if (JSVAL_IS_DOUBLE(aValue)) {
    double d = *JSVAL_TO_DOUBLE(aValue);
    (void)aStatement->BindDoubleParameter(aIdx, d);
  }
  else if (JSVAL_IS_STRING(aValue)) {
    JSString *str = JSVAL_TO_STRING(aValue);
    nsDependentString value(
      reinterpret_cast<PRUnichar *>(::JS_GetStringChars(str)),
      ::JS_GetStringLength(str)
    );
    (void)aStatement->BindStringParameter(aIdx, value);
  }
  else if (JSVAL_IS_BOOLEAN(aValue)) {
    (void)aStatement->BindInt32Parameter(aIdx, (aValue == JSVAL_TRUE) ? 1 : 0);
  }
  else if (JSVAL_IS_NULL(aValue)) {
    (void)aStatement->BindNullParameter(aIdx);
  }
  else if (JSVAL_IS_OBJECT(aValue)) {
    JSObject *obj = JSVAL_TO_OBJECT(aValue);
    // some special things
    if (::js_DateIsValid (aCtx, obj)) {
      double msecd = ::js_DateGetMsecSinceEpoch(aCtx, obj);
      msecd *= 1000.0;
      PRInt64 msec;
      LL_D2L(msec, msecd);

      (void)aStatement->BindInt64Parameter(aIdx, msec);
    }
    else {
      return PR_FALSE;
    }
  }
  else {
    return PR_FALSE;
  }

  return PR_TRUE;
}

} // namespace storage
} // namespace mozilla

#endif /* _MOZSTORAGESTATEMENTPARAMS_H_ */