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/*
* Copyright (c) 2002-2012, California Institute of Technology.
* All rights reserved. Based on Government Sponsored Research under contracts
* NAS7-1407 and/or NAS7-03001.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the California Institute of Technology (Caltech),
* its operating division the Jet Propulsion Laboratory (JPL), the National
* Aeronautics and Space Administration (NASA), nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE CALIFORNIA INSTITUTE OF TECHNOLOGY BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 2014-2021 Esri
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Functions used by the driver, should have prototypes in the header file
*
* Author: Lucian Plesea
*/
#include "mrfdrivercore.h"
#include "cpl_string.h"
#if defined(LERC)
static bool IsLerc1(const char *s)
{
static const char L1sig[] = "CntZImage ";
return !strncmp(s, L1sig, sizeof(L1sig) - 1);
}
static bool IsLerc2(const char *s)
{
static const char L2sig[] = "Lerc2 ";
return !strncmp(s, L2sig, sizeof(L2sig) - 1);
}
#endif
/************************************************************************/
/* MRFDriverIdentify() */
/************************************************************************/
/**
*\brief Idenfity a MRF file, lightweight
*
* Lightweight test, otherwise Open gets called.
*
*/
int MRFDriverIdentify(GDALOpenInfo *poOpenInfo)
{
if (STARTS_WITH(poOpenInfo->pszFilename, "<MRF_META>"))
return TRUE;
CPLString fn(poOpenInfo->pszFilename);
if (fn.find(":MRF:") != std::string::npos)
return TRUE;
if (poOpenInfo->nHeaderBytes < 10)
return FALSE;
const char *pszHeader = reinterpret_cast<char *>(poOpenInfo->pabyHeader);
fn.assign(pszHeader, pszHeader + poOpenInfo->nHeaderBytes);
if (STARTS_WITH(fn, "<MRF_META>"))
return TRUE;
#if defined(LERC) // Could be single LERC tile
if (IsLerc1(fn) || IsLerc2(fn))
return TRUE;
#endif
// accept a tar file if the first file has no folder look like an MRF
if (poOpenInfo->eAccess == GA_ReadOnly && fn.size() > 600 &&
(fn[262] == 0 || fn[262] == 32) && STARTS_WITH(fn + 257, "ustar") &&
strlen(CPLGetPathSafe(fn).c_str()) == 0 &&
STARTS_WITH(fn + 512, "<MRF_META>"))
{
return TRUE;
}
return FALSE;
}
/************************************************************************/
/* MRFDriverSetCommonMetadata() */
/************************************************************************/
void MRFDriverSetCommonMetadata(GDALDriver *poDriver)
{
poDriver->SetDescription(DRIVER_NAME);
poDriver->SetMetadataItem(GDAL_DMD_LONGNAME, "Meta Raster Format");
poDriver->SetMetadataItem(GDAL_DMD_HELPTOPIC, "drivers/raster/marfa.html");
poDriver->SetMetadataItem(GDAL_DMD_EXTENSION, "mrf");
poDriver->SetMetadataItem(GDAL_DCAP_VIRTUALIO, "YES");
poDriver->SetMetadataItem(GDAL_DCAP_RASTER, "YES");
poDriver->SetMetadataItem(
GDAL_DMD_OPENOPTIONLIST,
"<OpenOptionList>"
" <Option name='NOERRORS' type='boolean' description='Ignore "
"decompression errors' default='FALSE'/>"
" <Option name='ZSLICE' type='int' description='For a third "
"dimension MRF, pick a slice' default='0'/>"
"</OpenOptionList>");
// These will need to be revisited, do we support complex data types too?
poDriver->SetMetadataItem(
GDAL_DMD_CREATIONDATATYPES,
"Byte Int8 Int16 UInt16 Int32 UInt32 Int64 UInt64 Float32 Float64");
poDriver->pfnIdentify = MRFDriverIdentify;
poDriver->SetMetadataItem(GDAL_DCAP_OPEN, "YES");
poDriver->SetMetadataItem(GDAL_DCAP_CREATE, "YES");
poDriver->SetMetadataItem(GDAL_DCAP_CREATECOPY, "YES");
}
/************************************************************************/
/* DeclareDeferredMRFPlugin() */
/************************************************************************/
#ifdef PLUGIN_FILENAME
void DeclareDeferredMRFPlugin()
{
if (GDALGetDriverByName(DRIVER_NAME) != nullptr)
{
return;
}
auto poDriver = new GDALPluginDriverProxy(PLUGIN_FILENAME);
#ifdef PLUGIN_INSTALLATION_MESSAGE
poDriver->SetMetadataItem(GDAL_DMD_PLUGIN_INSTALLATION_MESSAGE,
PLUGIN_INSTALLATION_MESSAGE);
#endif
MRFDriverSetCommonMetadata(poDriver);
GetGDALDriverManager()->DeclareDeferredPluginDriver(poDriver);
}
#endif
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