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/* Copyright © 2005-2007 Roger Leigh <rleigh@debian.org>
*
* schroot is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* schroot is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see
* <http://www.gnu.org/licenses/>.
*
*********************************************************************/
#ifndef SBUILD_PARSE_VALUE_H
#define SBUILD_PARSE_VALUE_H
#include <sbuild/sbuild-parse-error.h>
#include <sbuild/sbuild-log.h>
#include <string>
#include <sstream>
namespace sbuild
{
enum parse_value_error_code
{
BAD_VALUE ///< The value could not be parsed.
};
typedef parse_error<parse_value_error_code> parse_value_error;
/**
* Parse a boolean value.
* @param value the value to parse.
* @param parsed_value the variable to store the parsed value.
* @returns true on success, false on failure.
*/
void
parse_value (std::string const& value,
bool& parsed_value);
/**
* Parse a string value.
* @param value the value to parse.
* @param parsed_value the variable to store the parsed value.
* @returns true on success, false on failure.
*/
void
parse_value (std::string const& value,
std::string& parsed_value);
/**
* Parse a value of type T.
* @param value the value to parse.
* @param parsed_value the variable to store the parsed value.
* @returns true on success, false on failure.
*/
template <typename T>
void
parse_value (std::string const& value,
T& parsed_value)
{
std::istringstream is(value);
is.imbue(std::locale::classic());
T tmpval;
if (is >> tmpval)
{
parsed_value = tmpval;
log_debug(DEBUG_NOTICE) << "value=" << parsed_value << std::endl;
}
else
{
log_debug(DEBUG_NOTICE) << "parse error" << std::endl;
throw parse_value_error(value, BAD_VALUE);
}
}
}
#endif /* SBUILD_PARSE_VALUE_H */
/*
* Local Variables:
* mode:C++
* End:
*/
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