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/*=========================================================================
Program: Visualization Toolkit
Module: vtkBufferedArchiver.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkBufferedArchiver.h"
#include <vtkObjectFactory.h>
#include <archive.h>
#include <archive_entry.h>
#include <set>
VTK_ABI_NAMESPACE_BEGIN
struct vtkBufferedArchiver::Internal
{
struct archive* Archive;
char* Buffer;
size_t AllocatedSize;
size_t BufferSize;
std::set<std::string> Entries;
};
//------------------------------------------------------------------------------
vtkStandardNewMacro(vtkBufferedArchiver);
//------------------------------------------------------------------------------
vtkBufferedArchiver::vtkBufferedArchiver()
: Internals(new vtkBufferedArchiver::Internal)
{
this->Internals->AllocatedSize = 100000;
this->Internals->Buffer = nullptr;
this->SetArchiveName("");
}
//------------------------------------------------------------------------------
vtkBufferedArchiver::~vtkBufferedArchiver()
{
free(this->Internals->Buffer);
delete this->Internals;
}
//------------------------------------------------------------------------------
void vtkBufferedArchiver::OpenArchive()
{
this->Internals->Archive = archive_write_new();
// use zip format
archive_write_set_format_zip(this->Internals->Archive);
this->Internals->Buffer = (char*)malloc(this->Internals->AllocatedSize);
if (this->Internals->Buffer == nullptr)
{
vtkErrorMacro(<< "Error allocating memory for buffer.");
return;
}
archive_write_open_memory(this->Internals->Archive, this->Internals->Buffer,
this->Internals->AllocatedSize, &this->Internals->BufferSize);
}
//------------------------------------------------------------------------------
void vtkBufferedArchiver::CloseArchive()
{
archive_write_free(this->Internals->Archive);
}
//------------------------------------------------------------------------------
void vtkBufferedArchiver::InsertIntoArchive(
const std::string& relativePath, const char* data, std::size_t size)
{
struct archive_entry* entry;
entry = archive_entry_new();
archive_entry_set_filetype(entry, AE_IFREG);
archive_entry_set_perm(entry, 0644);
archive_entry_set_size(entry, size);
archive_entry_set_pathname(entry, relativePath.c_str());
archive_write_header(this->Internals->Archive, entry);
archive_write_data(this->Internals->Archive, data, size);
archive_entry_free(entry);
this->Internals->Entries.insert(relativePath);
}
//------------------------------------------------------------------------------
bool vtkBufferedArchiver::Contains(const std::string& relativePath)
{
return this->Internals->Entries.find(relativePath) != this->Internals->Entries.end();
}
//------------------------------------------------------------------------------
const char* vtkBufferedArchiver::GetBuffer()
{
return this->Internals->Buffer;
}
//------------------------------------------------------------------------------
const void* vtkBufferedArchiver::GetBufferAddress()
{
return this->Internals->Buffer;
}
//------------------------------------------------------------------------------
void vtkBufferedArchiver::SetAllocatedSize(std::size_t size)
{
this->Internals->AllocatedSize = size;
}
//------------------------------------------------------------------------------
std::size_t vtkBufferedArchiver::GetAllocatedSize()
{
return this->Internals->AllocatedSize;
}
//------------------------------------------------------------------------------
std::size_t vtkBufferedArchiver::GetBufferSize()
{
return this->Internals->BufferSize;
}
//------------------------------------------------------------------------------
void vtkBufferedArchiver::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
VTK_ABI_NAMESPACE_END
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