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/******************************************************************************
*
* Project: GDAL Utilities
* Purpose: Common utility routines
* Author: Even Rouault, <even dot rouault at spatialys.com>
*
******************************************************************************
* Copyright (c) 2011-2012, Even Rouault <even dot rouault at spatialys.com>
*
* SPDX-License-Identifier: MIT
****************************************************************************/
#include "commonutils.h"
#include <cstdio>
#include <cstring>
#include <string>
#include "cpl_conv.h"
#include "cpl_string.h"
#include "gdal.h"
/* -------------------------------------------------------------------- */
/* GetOutputDriversFor() */
/* -------------------------------------------------------------------- */
std::vector<std::string> GetOutputDriversFor(const char *pszDestFilename,
int nFlagRasterVector)
{
return CPLStringList(GDALGetOutputDriversForDatasetName(
pszDestFilename, nFlagRasterVector, /* bSingleMatch = */ false,
/* bEmitWarning = */ false));
}
/* -------------------------------------------------------------------- */
/* GetOutputDriverForRaster() */
/* -------------------------------------------------------------------- */
CPLString GetOutputDriverForRaster(const char *pszDestFilename)
{
const CPLStringList aosList(GDALGetOutputDriversForDatasetName(
pszDestFilename, GDAL_OF_RASTER, /* bSingleMatch = */ true,
/* bEmitWarning = */ true));
if (!aosList.empty())
{
CPLDebug("GDAL", "Using %s driver", aosList[0]);
return aosList[0];
}
return CPLString();
}
/* -------------------------------------------------------------------- */
/* EarlySetConfigOptions() */
/* -------------------------------------------------------------------- */
void EarlySetConfigOptions(int argc, char **argv)
{
// Must process some config options before GDALAllRegister() or
// OGRRegisterAll(), but we can't call GDALGeneralCmdLineProcessor() or
// OGRGeneralCmdLineProcessor(), because it needs the drivers to be
// registered for the --format or --formats options.
// Start with --debug, so that "my_command --config UNKNOWN_CONFIG_OPTION --debug on"
// detects and warns about a unknown config option.
for (int i = 1; i < argc; i++)
{
if (EQUAL(argv[i], "--config") && i + 1 < argc)
{
const char *pszArg = argv[i + 1];
if (strchr(pszArg, '=') != nullptr)
{
char *pszKey = nullptr;
const char *pszValue = CPLParseNameValue(pszArg, &pszKey);
if (pszKey && EQUAL(pszKey, "CPL_DEBUG") && pszValue)
{
CPLSetConfigOption(pszKey, pszValue);
}
CPLFree(pszKey);
++i;
}
else
{
if (i + 2 >= argc)
{
CPLError(CE_Failure, CPLE_AppDefined,
"--config option given without a key and value "
"argument.");
return;
}
if (EQUAL(argv[i + 1], "CPL_DEBUG"))
{
CPLSetConfigOption(argv[i + 1], argv[i + 2]);
}
i += 2;
}
}
else if (EQUAL(argv[i], "--debug") && i + 1 < argc)
{
CPLSetConfigOption("CPL_DEBUG", argv[i + 1]);
i += 1;
}
}
for (int i = 1; i < argc; i++)
{
if (EQUAL(argv[i], "--config") && i + 1 < argc)
{
const char *pszArg = argv[i + 1];
if (strchr(pszArg, '=') != nullptr)
{
char *pszKey = nullptr;
const char *pszValue = CPLParseNameValue(pszArg, &pszKey);
if (pszKey && !EQUAL(pszKey, "CPL_DEBUG") && pszValue)
{
CPLSetConfigOption(pszKey, pszValue);
}
CPLFree(pszKey);
++i;
}
else
{
if (i + 2 >= argc)
{
CPLError(CE_Failure, CPLE_AppDefined,
"--config option given without a key and value "
"argument.");
return;
}
if (!EQUAL(argv[i + 1], "CPL_DEBUG"))
{
CPLSetConfigOption(argv[i + 1], argv[i + 2]);
}
i += 2;
}
}
}
}
/************************************************************************/
/* GDALRemoveBOM() */
/************************************************************************/
/* Remove potential UTF-8 BOM from data (must be NUL terminated) */
void GDALRemoveBOM(GByte *pabyData)
{
if (pabyData[0] == 0xEF && pabyData[1] == 0xBB && pabyData[2] == 0xBF)
{
memmove(pabyData, pabyData + 3,
strlen(reinterpret_cast<char *>(pabyData) + 3) + 1);
}
}
/************************************************************************/
/* ArgIsNumeric() */
/************************************************************************/
int ArgIsNumeric(const char *pszArg)
{
return CPLGetValueType(pszArg) != CPL_VALUE_STRING;
}
/************************************************************************/
/* GDALPatternMatch() */
/************************************************************************/
bool GDALPatternMatch(const char *input, const char *pattern)
{
while (*input != '\0')
{
if (*pattern == '\0')
return false;
else if (*pattern == '?')
{
pattern++;
if (static_cast<unsigned int>(*input) > 127)
{
// Continuation bytes of such characters are of the form
// 10xxxxxx (0x80), whereas single-byte are 0xxxxxxx
// and the start of a multi-byte is 11xxxxxx
do
{
input++;
} while (static_cast<unsigned int>(*input) > 127);
}
else
{
input++;
}
}
else if (*pattern == '*')
{
if (pattern[1] == '\0')
return true;
// Try eating varying amounts of the input till we get a positive.
for (int eat = 0; input[eat] != '\0'; eat++)
{
if (GDALPatternMatch(input + eat, pattern + 1))
return true;
}
return false;
}
else
{
if (CPLTolower(*pattern) != CPLTolower(*input))
{
return false;
}
else
{
input++;
pattern++;
}
}
}
if (*pattern != '\0' && strcmp(pattern, "*") != 0)
return false;
else
return true;
}
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