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/******************************************************************************
*
* Purpose: Implementation of the CPCIDSKADS40ModelSegment class.
*
******************************************************************************
* Copyright (c) 2009
* PCI Geomatics, 50 West Wilmot Street, Richmond Hill, Ont, Canada
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#include "pcidsk_ads40.h"
#include "segment/cpcidsksegment.h"
#include "core/pcidsk_utils.h"
#include "pcidsk_exception.h"
#include "segment/cpcidskads40model.h"
#include <vector>
#include <string>
#include <cassert>
#include <cstring>
using namespace PCIDSK;
// Struct to store details of the RPC model
struct CPCIDSKADS40ModelSegment::PCIDSKADS40Info
{
std::string path;
// The raw segment data
PCIDSKBuffer seg_data;
};
CPCIDSKADS40ModelSegment::CPCIDSKADS40ModelSegment(PCIDSKFile *file,
int segment,
const char *segment_pointer) :
CPCIDSKSegment(file, segment, segment_pointer),
pimpl_(new CPCIDSKADS40ModelSegment::PCIDSKADS40Info),
loaded_(false),mbModified(false)
{
Load();
}
CPCIDSKADS40ModelSegment::~CPCIDSKADS40ModelSegment()
{
delete pimpl_;
}
// Load the contents of the segment
void CPCIDSKADS40ModelSegment::Load()
{
// Check if we've already loaded the segment into memory
if (loaded_) {
return;
}
assert(data_size - 1024 == 1 * 512);
pimpl_->seg_data.SetSize(data_size - 1024); // should be 1 * 512
ReadFromFile(pimpl_->seg_data.buffer, 0, data_size - 1024);
// The ADS40 Model Segment is defined as follows:
// ADs40 Segment: 1 512-byte blocks
// Block 1:
// Bytes 0-7: 'ADS40 '
// Byte 8-512: the path
if (std::strncmp(pimpl_->seg_data.buffer, "ADS40 ", 8))
{
pimpl_->seg_data.Put("ADS40 ",0,8);
return;
// Something has gone terribly wrong!
/*throw PCIDSKException("A segment that was previously identified as an RFMODEL "
"segment does not contain the appropriate data. Found: [%s]",
std::string(pimpl_->seg_data.buffer, 8).c_str());*/
}
pimpl_->path = std::string(&pimpl_->seg_data.buffer[8]);
// We've now loaded the structure up with data. Mark it as being loaded
// properly.
loaded_ = true;
}
void CPCIDSKADS40ModelSegment::Write(void)
{
//We are not writing if nothing was loaded.
if (!loaded_) {
return;
}
pimpl_->seg_data.Put("ADS40 ",0,8);
pimpl_->seg_data.Put(pimpl_->path.c_str(),8,pimpl_->path.size());
WriteToFile(pimpl_->seg_data.buffer,0,data_size-1024);
mbModified = false;
}
// Get sensor name
std::string CPCIDSKADS40ModelSegment::GetPath(void) const
{
return pimpl_->path;
}
// Set sensor name
void CPCIDSKADS40ModelSegment::SetPath(const std::string& oPath)
{
if(oPath.size() < 504)
{
pimpl_->path = oPath;
mbModified = true;
}
else
{
throw PCIDSKException("The size of the path cannot be"
" bigger than 504 characters.");
}
}
void CPCIDSKADS40ModelSegment::Synchronize()
{
if(mbModified)
{
this->Write();
}
}
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