#include "Logging.h"
namespace objcgen {
LogLevel verbosity = LogLevel::WARNING;
std::string_view describe_regex_error(std::regex_constants::error_type type)
{
switch (type) {
case std::regex_constants::error_collate:
return "The expression contains an invalid collating element name.";
case std::regex_constants::error_ctype:
return "The expression contains an invalid character class name.";
case std::regex_constants::error_escape:
return "The expression contains an invalid escaped character, or a trailing escape.";
case std::regex_constants::error_backref:
return "The expression contains an invalid back reference.";
case std::regex_constants::error_brack:
return "The expression contains mismatched [ and ].";
case std::regex_constants::error_paren:
return "The expression contains mismatched ( and ).";
case std::regex_constants::error_brace:
return "The expression contains mismatched { and }.";
case std::regex_constants::error_badbrace:
return "The expression contains an invalid range in a {} expression.";
case std::regex_constants::error_range:
return "The expression contains an invalid character range, such as [b-a].";
case std::regex_constants::error_space:
return "There was insufficient memory to convert the expression into a finite state machine.";
case std::regex_constants::error_badrepeat:
return "One of *?+{ was not preceded by a valid regular expression.";
case std::regex_constants::error_complexity:
return "The complexity of an attempted match against a regular expression exceeded a predefined level.";
case std::regex_constants::error_stack:
return "There was insufficient memory to perform a regular expression match.";
default:
return "Unknown regular expression error.";
}
}
}
