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/******************************************************************************
*
* Project: GDAL
* Purpose: gdal "tee" pipeline step
* Author: Even Rouault <even dot rouault at spatialys.com>
*
******************************************************************************
* Copyright (c) 2025, Even Rouault <even dot rouault at spatialys.com>
*
* SPDX-License-Identifier: MIT
****************************************************************************/
#include "gdalalg_tee.h"
//! @cond Doxygen_Suppress
/************************************************************************/
/* GDALTeeStepAlgorithmAbstract::~GDALTeeStepAlgorithmAbstract() */
/************************************************************************/
GDALTeeStepAlgorithmAbstract::~GDALTeeStepAlgorithmAbstract() = default;
/************************************************************************/
/* GDALTeeStepAlgorithmAbstract::CopyFilenameBindingsFrom() */
/************************************************************************/
void GDALTeeStepAlgorithmAbstract::CopyFilenameBindingsFrom(
const GDALTeeStepAlgorithmAbstract *other)
{
m_oMapNameToAlg = other->m_oMapNameToAlg;
}
/************************************************************************/
/* GDALTeeStepAlgorithmAbstract::BindFilename() */
/************************************************************************/
bool GDALTeeStepAlgorithmAbstract::BindFilename(
const std::string &filename, GDALAbstractPipelineAlgorithm *alg,
const std::vector<std::string> &args)
{
if (cpl::contains(m_oMapNameToAlg, filename))
return false;
m_oMapNameToAlg[filename] = std::make_pair(alg, args);
return true;
}
/************************************************************************/
/* GDALTeeStepAlgorithmAbstract::HasOutputString() */
/************************************************************************/
bool GDALTeeStepAlgorithmAbstract::HasOutputString() const
{
for (const auto &oIter : m_oMapNameToAlg)
{
const auto &pipelineAlg = oIter.second.first;
if (pipelineAlg->HasSteps())
{
if (pipelineAlg->HasOutputString())
return true;
}
else
{
// Before the tee pipeline has been constructed by
// GDALTeeStepAlgorithmBase::RunStep(), there is no clean way
// of knowing if a (future) inner step will have an output string
// argument, so try to instantiate a step alg from each pipeline
// token and call HasOutputString() on it.
const auto &pipelineArgs = oIter.second.second;
for (const auto &arg : pipelineArgs)
{
auto alg = pipelineAlg->GetStepAlg(arg);
if (!alg)
{
alg = pipelineAlg->GetStepAlg(
arg + GDALAbstractPipelineAlgorithm::RASTER_SUFFIX);
if (!alg)
alg = pipelineAlg->GetStepAlg(
arg + GDALAbstractPipelineAlgorithm::VECTOR_SUFFIX);
}
if (alg && alg->HasOutputString())
return true;
}
}
}
return false;
}
GDALTeeRasterAlgorithm::~GDALTeeRasterAlgorithm() = default;
GDALTeeVectorAlgorithm::~GDALTeeVectorAlgorithm() = default;
//! @endcond
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