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/*
* Copyright (C) 2008 Torch Mobile Inc. All rights reserved.
* (http://www.torchmobile.com/)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef FormDataEncoder_h
#define FormDataEncoder_h
#include "platform/network/EncodedFormData.h"
#include "wtf/Allocator.h"
#include "wtf/Forward.h"
namespace WTF {
class TextEncoding;
}
namespace blink {
class PLATFORM_EXPORT FormDataEncoder {
STATIC_ONLY(FormDataEncoder);
public:
// Specifies how to handle CRs and LFs. When NormalizeCRLF is passed, the
// method replaces the following characters with a CRLF pair:
// - a CR not followed by an LF
// - an LF not preceded by a CR
enum Mode { NormalizeCRLF, DoNotNormalizeCRLF };
static WTF::TextEncoding encodingFromAcceptCharset(
const String& acceptCharset,
const WTF::TextEncoding& fallbackEncoding);
// Helper functions used by HTMLFormElement for multi-part form data
static Vector<char> generateUniqueBoundaryString();
static void beginMultiPartHeader(Vector<char>&,
const CString& boundary,
const CString& name);
static void addBoundaryToMultiPartHeader(Vector<char>&,
const CString& boundary,
bool isLastBoundary = false);
static void addFilenameToMultiPartHeader(Vector<char>&,
const WTF::TextEncoding&,
const String& filename);
static void addContentTypeToMultiPartHeader(Vector<char>&,
const CString& mimeType);
static void finishMultiPartHeader(Vector<char>&);
// Helper functions used by HTMLFormElement for non multi-part form data. Mode
// argument is not used for TextPlain type.
static void addKeyValuePairAsFormData(
Vector<char>&,
const CString& key,
const CString& value,
EncodedFormData::EncodingType = EncodedFormData::FormURLEncoded,
Mode = NormalizeCRLF);
static void encodeStringAsFormData(Vector<char>&, const CString&, Mode);
};
} // namespace blink
#endif
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