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/******************************************************************************
*
* Project: GDAL
* Purpose: gdal "vector info" subcommand
* Author: Even Rouault <even dot rouault at spatialys.com>
*
******************************************************************************
* Copyright (c) 2024, Even Rouault <even dot rouault at spatialys.com>
*
* SPDX-License-Identifier: MIT
****************************************************************************/
#include "gdalalg_vector_info.h"
#include "cpl_conv.h"
#include "gdal_priv.h"
#include "gdal_utils.h"
//! @cond Doxygen_Suppress
#ifndef _
#define _(x) (x)
#endif
/************************************************************************/
/* GDALVectorInfoAlgorithm::GDALVectorInfoAlgorithm() */
/************************************************************************/
GDALVectorInfoAlgorithm::GDALVectorInfoAlgorithm(bool standaloneStep)
: GDALVectorPipelineStepAlgorithm(NAME, DESCRIPTION, HELP_URL,
ConstructorOptions()
.SetStandaloneStep(standaloneStep)
.SetInputDatasetMaxCount(1)
.SetAddDefaultArguments(false))
{
AddOutputFormatArg(&m_format).SetChoices("json", "text");
AddOpenOptionsArg(&m_openOptions).SetHiddenForCLI(!standaloneStep);
AddInputFormatsArg(&m_inputFormats)
.AddMetadataItem(GAAMDI_REQUIRED_CAPABILITIES, {GDAL_DCAP_VECTOR})
.SetHiddenForCLI(!standaloneStep);
auto &datasetArg =
AddInputDatasetArg(&m_inputDataset, GDAL_OF_VECTOR,
/* positionalAndRequired = */ standaloneStep)
.AddAlias("dataset")
.SetHiddenForCLI(!standaloneStep);
auto &layerArg = AddLayerNameArg(&m_layerNames)
.SetMutualExclusionGroup("layer-sql")
.AddAlias("layer");
SetAutoCompleteFunctionForLayerName(layerArg, datasetArg);
auto &argFeature =
AddArg(
"features", 0,
_("List all features (beware of RAM consumption on large layers)"),
&m_listFeatures)
.SetMutualExclusionGroup("summary-features");
AddArg("summary", 0, _("List the layer names and the geometry type"),
&m_summaryOnly)
.SetMutualExclusionGroup("summary-features");
AddArg("limit", 0,
_("Limit the number of features per layer (implies --features)"),
&m_limit)
.SetMinValueIncluded(0)
.SetMetaVar("FEATURE-COUNT")
.AddAction([&argFeature]() { argFeature.Set(true); });
AddArg("sql", 0,
_("Execute the indicated SQL statement and return the result"),
&m_sql)
.SetReadFromFileAtSyntaxAllowed()
.SetMetaVar("<statement>|@<filename>")
.SetRemoveSQLCommentsEnabled()
.SetMutualExclusionGroup("layer-sql");
AddArg("where", 0,
_("Attribute query in a restricted form of the queries used in the "
"SQL WHERE statement"),
&m_where)
.SetReadFromFileAtSyntaxAllowed()
.SetMetaVar("<WHERE>|@<filename>")
.SetRemoveSQLCommentsEnabled();
AddArg("dialect", 0, _("SQL dialect"), &m_dialect);
AddArg(GDAL_ARG_NAME_UPDATE, 0, _("Open the dataset in update mode"),
&m_update)
.SetHiddenForCLI(!standaloneStep)
.AddAction(
[this]()
{
if (m_update)
{
ReportError(CE_Warning, CPLE_AppDefined,
"Option 'update' is deprecated since GDAL 3.12 "
"and will be removed in GDAL 3.13. Use 'gdal "
"vector sql --update' instead.");
}
});
AddOutputStringArg(&m_output);
AddStdoutArg(&m_stdout);
AddValidationAction(
[this]()
{
if (!m_sql.empty() && !m_where.empty())
{
ReportError(CE_Failure, CPLE_NotSupported,
"Option 'sql' and 'where' are mutually exclusive");
return false;
}
return true;
});
}
/************************************************************************/
/* GDALVectorInfoAlgorithm::RunStep() */
/************************************************************************/
bool GDALVectorInfoAlgorithm::RunStep(GDALPipelineStepRunContext &)
{
CPLAssert(m_inputDataset.size() == 1);
auto poSrcDS = m_inputDataset[0].GetDatasetRef();
CPLAssert(poSrcDS);
if (m_format.empty())
m_format = IsCalledFromCommandLine() ? "text" : "json";
CPLStringList aosOptions;
aosOptions.AddString("--cli");
if (m_format == "json")
{
aosOptions.AddString("-json");
}
if (m_summaryOnly)
{
aosOptions.AddString("-summary");
}
else if (m_listFeatures)
{
aosOptions.AddString("-features");
}
if (!m_sql.empty())
{
aosOptions.AddString("-sql");
aosOptions.AddString(m_sql.c_str());
}
if (!m_where.empty())
{
aosOptions.AddString("-where");
aosOptions.AddString(m_where.c_str());
}
if (!m_dialect.empty())
{
aosOptions.AddString("-dialect");
aosOptions.AddString(m_dialect.c_str());
}
if (m_stdout)
{
aosOptions.AddString("-stdout");
}
if (m_limit > 0)
{
aosOptions.AddString("-limit");
aosOptions.AddString(std::to_string(m_limit));
}
// Must be last, as positional
aosOptions.AddString("dummy");
for (const std::string &name : m_layerNames)
aosOptions.AddString(name.c_str());
if (m_layerNames.empty())
{
aosOptions.AddString("-al");
}
GDALVectorInfoOptions *psInfo =
GDALVectorInfoOptionsNew(aosOptions.List(), nullptr);
char *ret = GDALVectorInfo(GDALDataset::ToHandle(poSrcDS), psInfo);
GDALVectorInfoOptionsFree(psInfo);
if (!ret)
return false;
m_output = ret;
CPLFree(ret);
return true;
}
GDALVectorInfoAlgorithmStandalone::~GDALVectorInfoAlgorithmStandalone() =
default;
//! @endcond
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