/usr/include/pegtl/internal/ranges.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 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | // Copyright (c) 2014-2015 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/ColinH/PEGTL/
#ifndef PEGTL_INTERNAL_RANGES_HH
#define PEGTL_INTERNAL_RANGES_HH
#include "any.hh"
#include "range.hh"
#include "bump_util.hh"
#include "skip_control.hh"
#include "../analysis/generic.hh"
namespace pegtl
{
namespace internal
{
template< typename Char, Char ... Cs > struct ranges_impl;
template< typename Char >
struct ranges_impl< Char >
{
static constexpr bool can_match_lf = false;
static bool match( const Char )
{
return false;
}
};
template< typename Char, Char Eq >
struct ranges_impl< Char, Eq >
{
static constexpr bool can_match_lf = ( Eq == '\n' );
static bool match( const Char c )
{
return c == Eq;
}
};
template< typename Char, Char Lo, Char Hi, Char ... Cs >
struct ranges_impl< Char, Lo, Hi, Cs ... >
{
static constexpr bool can_match_lf = ( ( ( Lo <= '\n' ) && ( '\n' <= Hi ) ) || ranges_impl< Char, Cs ... >::can_match_lf );
static bool match( const Char c )
{
return ( ( Lo <= c ) && ( c <= Hi ) ) || ranges_impl< Char, Cs ... >::match( c );
}
};
template< typename Peek, typename Peek::data_t ... Cs >
struct ranges
{
using analyze_t = analysis::generic< analysis::rule_type::ANY >;
static constexpr bool can_match_lf = ranges_impl< typename Peek::data_t, Cs ... >::can_match_lf;
template< typename Input >
static bool match( Input & in )
{
if ( ! in.empty() ) {
if ( const auto t = Peek::peek( in ) ) {
if ( ranges_impl< typename Peek::data_t, Cs ... >::match( t.data ) ) {
bump_impl< can_match_lf >::bump( in, t.size );
return true;
}
}
}
return false;
}
};
template< typename Peek, typename Peek::data_t Lo, typename Peek::data_t Hi >
struct ranges< Peek, Lo, Hi >
: range< result_on_found::SUCCESS, Peek, Lo, Hi > {};
template< typename Peek, typename Peek::data_t ... Cs >
struct skip_control< ranges< Peek, Cs ... > > : std::true_type {};
} // internal
} // pegtl
#endif
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