forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			75 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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|  * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
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|  * This Source Code Form is subject to the terms of the Mozilla Public
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|  * License, v. 2.0. If a copy of the MPL was not distributed with this
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|  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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| 
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| #include "mozStorageBindingParamsArray.h"
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| #include "mozStorageBindingParams.h"
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| #include "StorageBaseStatementInternal.h"
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| 
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| namespace mozilla {
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| namespace storage {
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| 
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| ////////////////////////////////////////////////////////////////////////////////
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| //// BindingParamsArray
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| 
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| BindingParamsArray::BindingParamsArray(
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|     StorageBaseStatementInternal* aOwningStatement)
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|     : mOwningStatement(aOwningStatement), mLocked(false) {}
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| 
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| void BindingParamsArray::lock() {
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|   NS_ASSERTION(mLocked == false, "Array has already been locked!");
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|   mLocked = true;
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| 
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|   // We also no longer need to hold a reference to our statement since it owns
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|   // us.
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|   mOwningStatement = nullptr;
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| }
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| 
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| const StorageBaseStatementInternal* BindingParamsArray::getOwner() const {
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|   return mOwningStatement;
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| }
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| 
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| NS_IMPL_ISUPPORTS(BindingParamsArray, mozIStorageBindingParamsArray)
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| 
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| ///////////////////////////////////////////////////////////////////////////////
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| //// mozIStorageBindingParamsArray
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| 
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| NS_IMETHODIMP
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| BindingParamsArray::NewBindingParams(mozIStorageBindingParams** _params) {
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|   NS_ENSURE_FALSE(mLocked, NS_ERROR_UNEXPECTED);
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| 
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|   nsCOMPtr<mozIStorageBindingParams> params(
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|       mOwningStatement->newBindingParams(this));
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|   NS_ENSURE_TRUE(params, NS_ERROR_UNEXPECTED);
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| 
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|   params.forget(_params);
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BindingParamsArray::AddParams(mozIStorageBindingParams* aParameters) {
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|   NS_ENSURE_FALSE(mLocked, NS_ERROR_UNEXPECTED);
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| 
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|   BindingParams* params = static_cast<BindingParams*>(aParameters);
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| 
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|   // Check to make sure that this set of parameters was created with us.
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|   if (params->getOwner() != this) return NS_ERROR_UNEXPECTED;
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| 
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|   mArray.AppendElement(params);
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| 
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|   // Lock the parameters only after we've successfully added them.
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|   params->lock();
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| 
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|   return NS_OK;
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| }
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| 
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| NS_IMETHODIMP
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| BindingParamsArray::GetLength(uint32_t* _length) {
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|   *_length = length();
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|   return NS_OK;
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| }
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| 
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| }  // namespace storage
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| }  // namespace mozilla
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