/usr/include/pegtl/internal/until.hh is in pegtl-dev 1.3.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | // Copyright (c) 2014-2016 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/ColinH/PEGTL/
#ifndef PEGTL_INTERNAL_UNTIL_HH
#define PEGTL_INTERNAL_UNTIL_HH
#include "eof.hh"
#include "star.hh"
#include "bytes.hh"
#include "not_at.hh"
#include "skip_control.hh"
#include "rule_conjunction.hh"
#include "../analysis/generic.hh"
namespace pegtl
{
namespace internal
{
template< typename Cond, typename ... Rules > struct until;
template< typename Cond, typename ... Rules >
struct skip_control< until< Cond, Rules ... > > : std::true_type {};
template< typename Cond >
struct until< Cond >
{
using analyze_t = analysis::generic< analysis::rule_type::SEQ, star< not_at< Cond >, not_at< eof >, bytes< 1 > >, Cond >;
template< apply_mode A, template< typename ... > class Action, template< typename ... > class Control, typename Input, typename ... States >
static bool match( Input & in, States && ... st )
{
auto m = in.mark();
while ( ! Control< Cond >::template match< A, Action, Control >( in, st ... ) ) {
if ( in.empty() ) {
return false;
}
in.bump();
}
m.success();
return true;
}
};
template< typename Cond, typename ... Rules >
struct until
{
using analyze_t = analysis::generic< analysis::rule_type::SEQ, star< not_at< Cond >, not_at< eof >, Rules ... >, Cond >;
template< apply_mode A, template< typename ... > class Action, template< typename ... > class Control, typename Input, typename ... States >
static bool match( Input & in, States && ... st )
{
auto m = in.mark();
while ( ! Control< Cond >::template match< A, Action, Control >( in, st ... ) ) {
if ( in.empty() || ! rule_conjunction< Rules ... >::template match< A, Action, Control >( in, st ... ) ) {
return false;
}
}
m.success();
return true;
}
};
} // internal
} // pegtl
#endif
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