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/*
* Copyright (C) 2004, 2006, 2008 Apple Inc. All rights reserved.
*
* 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.
*/
#include "config.h"
#include "FormData.h"
#include "CString.h"
#include "ChromeClient.h"
#include "FileSystem.h"
#include "TextEncoding.h"
namespace WebCore {
inline FormData::FormData() : m_hasGeneratedFiles(false)
{
}
inline FormData::FormData(const FormData& data)
: RefCounted<FormData>()
, m_elements(data.m_elements)
, m_hasGeneratedFiles(false)
{
// We shouldn't be copying FormData that hasn't already removed its generated files
// but just in case, make sure the new FormData is ready to generate its own files.
if (data.m_hasGeneratedFiles) {
size_t n = m_elements.size();
for (size_t i = 0; i < n; ++i) {
FormDataElement& e = m_elements[i];
if (e.m_type == FormDataElement::encodedFile)
e.m_generatedFilename = String();
}
}
}
FormData::~FormData()
{
// This cleanup should've happened when the form submission finished.
// Just in case, let's assert, and do the cleanup anyway in release builds.
ASSERT(!m_hasGeneratedFiles);
removeGeneratedFilesIfNeeded();
}
PassRefPtr<FormData> FormData::create()
{
return adoptRef(new FormData);
}
PassRefPtr<FormData> FormData::create(const void* data, size_t size)
{
RefPtr<FormData> result = create();
result->appendData(data, size);
return result.release();
}
PassRefPtr<FormData> FormData::create(const CString& string)
{
RefPtr<FormData> result = create();
result->appendData(string.data(), string.length());
return result.release();
}
PassRefPtr<FormData> FormData::create(const Vector<char>& vector)
{
RefPtr<FormData> result = create();
result->appendData(vector.data(), vector.size());
return result.release();
}
PassRefPtr<FormData> FormData::copy() const
{
return adoptRef(new FormData(*this));
}
void FormData::appendData(const void* data, size_t size)
{
if (m_elements.isEmpty() || m_elements.last().m_type != FormDataElement::data)
m_elements.append(FormDataElement());
FormDataElement& e = m_elements.last();
size_t oldSize = e.m_data.size();
e.m_data.grow(oldSize + size);
memcpy(e.m_data.data() + oldSize, data, size);
}
void FormData::appendFile(const String& filename, bool shouldGenerateFile)
{
m_elements.append(FormDataElement(filename, shouldGenerateFile));
}
void FormData::flatten(Vector<char>& data) const
{
// Concatenate all the byte arrays, but omit any files.
data.clear();
size_t n = m_elements.size();
for (size_t i = 0; i < n; ++i) {
const FormDataElement& e = m_elements[i];
if (e.m_type == FormDataElement::data) {
size_t oldSize = data.size();
size_t delta = e.m_data.size();
data.grow(oldSize + delta);
memcpy(data.data() + oldSize, e.m_data.data(), delta);
}
}
}
String FormData::flattenToString() const
{
Vector<char> bytes;
flatten(bytes);
return Latin1Encoding().decode(bytes.data(), bytes.size());
}
void FormData::generateFiles(ChromeClient* client)
{
ASSERT(!m_hasGeneratedFiles);
if (m_hasGeneratedFiles)
return;
size_t n = m_elements.size();
for (size_t i = 0; i < n; ++i) {
FormDataElement& e = m_elements[i];
if (e.m_type == FormDataElement::encodedFile && e.m_shouldGenerateFile) {
e.m_generatedFilename = client->generateReplacementFile(e.m_filename);
m_hasGeneratedFiles = true;
}
}
}
void FormData::removeGeneratedFilesIfNeeded()
{
if (!m_hasGeneratedFiles)
return;
size_t n = m_elements.size();
for (size_t i = 0; i < n; ++i) {
FormDataElement& e = m_elements[i];
if (e.m_type == FormDataElement::encodedFile && !e.m_generatedFilename.isEmpty()) {
ASSERT(e.m_shouldGenerateFile);
String directory = directoryName(e.m_generatedFilename);
deleteFile(e.m_generatedFilename);
deleteEmptyDirectory(directory);
e.m_generatedFilename = String();
}
}
m_hasGeneratedFiles = false;
}
} // namespace WebCore
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