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// file : bbot/variable -*- C++ -*-
// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#ifndef BBOT_VARIABLE
#define BBOT_VARIABLE
#include <string>
#include <vector>
#include <cstdint> // uint64_t
#include <stdexcept> // invalid_argument
#include <bbot/export>
namespace bbot
{
//@@ invalid_argument
//
class LIBBBOT_EXPORT invalid_variable: public std::invalid_argument
{
public:
invalid_variable (std::uint64_t p, const std::string& d)
: invalid_argument (d), pos (p) {}
std::uint64_t pos; // Zero-based.
};
// String in the name=value format. Can contain single or double quoted
// substrings. No escaping is supported. The name must not contain spaces.
// Throw variable_error if the string doesn't conform to these rules.
//
struct LIBBBOT_EXPORT variable: std::string
{
variable (std::string);
// Remove a single level of quotes. Don't validate the format or the
// correctness of the quotation. Note that the variable can potentially be
// modified through the std::string interface in a way that breaks
// format/quoting.
//
std::string
unquoted () const;
};
using variables = std::vector<variable>;
}
#endif // BBOT_VARIABLE
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