gecko/content/base/src/nsFormData.cpp

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 mozilla.org code.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* 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"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsFormData.h"
#include "nsIVariant.h"
#include "nsIDOMFileInternal.h"
#include "nsIInputStream.h"
#include "nsIFile.h"
#include "nsContentUtils.h"
nsFormData::nsFormData()
: nsFormSubmission(NS_LITERAL_CSTRING("UTF-8"))
{
}
// -------------------------------------------------------------------------
// nsISupports
DOMCI_DATA(FormData, nsFormData)
NS_IMPL_ADDREF(nsFormData)
NS_IMPL_RELEASE(nsFormData)
NS_INTERFACE_MAP_BEGIN(nsFormData)
NS_INTERFACE_MAP_ENTRY(nsIDOMFormData)
NS_INTERFACE_MAP_ENTRY(nsIXHRSendable)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(FormData)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMFormData)
NS_INTERFACE_MAP_END
// -------------------------------------------------------------------------
// nsFormSubmission
nsresult
nsFormData::GetEncodedSubmission(nsIURI* aURI,
nsIInputStream** aPostDataStream)
{
NS_NOTREACHED("Shouldn't call nsFormData::GetEncodedSubmission");
return NS_OK;
}
nsresult
nsFormData::AddNameValuePair(const nsAString& aName,
const nsAString& aValue)
{
FormDataTuple* data = mFormData.AppendElement();
data->name = aName;
data->stringValue = aValue;
data->valueIsFile = PR_FALSE;
return NS_OK;
}
nsresult
nsFormData::AddNameFilePair(const nsAString& aName,
nsIFile* aFile)
{
FormDataTuple* data = mFormData.AppendElement();
data->name = aName;
data->fileValue = aFile;
data->valueIsFile = PR_TRUE;
return NS_OK;
}
// -------------------------------------------------------------------------
// nsIDOMFormData
NS_IMETHODIMP
nsFormData::Append(const nsAString& aName, nsIVariant* aValue)
{
PRUint16 dataType;
nsresult rv = aValue->GetDataType(&dataType);
NS_ENSURE_SUCCESS(rv, rv);
if (dataType == nsIDataType::VTYPE_INTERFACE ||
dataType == nsIDataType::VTYPE_INTERFACE_IS) {
nsCOMPtr<nsISupports> supports;
nsID *iid;
rv = aValue->GetAsInterface(&iid, getter_AddRefs(supports));
NS_ENSURE_SUCCESS(rv, rv);
nsMemory::Free(iid);
nsCOMPtr<nsIDOMFileInternal> domFile = do_QueryInterface(supports);
if (domFile) {
nsCOMPtr<nsIFile> file;
rv = domFile->GetInternalFile(getter_AddRefs(file));
NS_ENSURE_SUCCESS(rv, rv);
return AddNameFilePair(aName, file);
}
}
PRUnichar* stringData = nsnull;
PRUint32 stringLen = 0;
rv = aValue->GetAsWStringWithSize(&stringLen, &stringData);
NS_ENSURE_SUCCESS(rv, rv);
nsString valAsString;
valAsString.Adopt(stringData, stringLen);
return AddNameValuePair(aName, valAsString);
}
// -------------------------------------------------------------------------
// nsIDXHRSendable
NS_IMETHODIMP
nsFormData::GetSendInfo(nsIInputStream** aBody, nsACString& aContentType,
nsACString& aCharset)
{
nsFSMultipartFormData fs(NS_LITERAL_CSTRING("UTF-8"));
for (PRUint32 i = 0; i < mFormData.Length(); ++i) {
if (mFormData[i].valueIsFile) {
fs.AddNameFilePair(mFormData[i].name, mFormData[i].fileValue);
}
else {
fs.AddNameValuePair(mFormData[i].name, mFormData[i].stringValue);
}
}
fs.GetContentType(aContentType);
aCharset.Truncate();
NS_ADDREF(*aBody = fs.GetSubmissionBody());
return NS_OK;
}