libcruft-util/uri.cpp.rl

99 lines
2.7 KiB
Ragel

/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Copyright 2015 Danny Robson <danny@nerdcruft.net>
*/
#include "uri.hpp"
#include <algorithm>
#include <iostream>
// We generate some really old style C code via ragel here, so we have to
// disable some noisy warnings (doubly so given -Werror)
#pragma GCC diagnostic ignored "-Wold-style-cast"
using cruft::uri;
///////////////////////////////////////////////////////////////////////////////
%%{
machine impl;
action trace { if (0) std::cerr << *p; }
action success {__success = true; }
action failure {__success = false; }
action scheme_begin { m_views[SCHEME] = { p, p }; }
action scheme_end { m_views[SCHEME] = { m_views[SCHEME].begin (), p }; }
action hier_begin { m_views[HIERARCHICAL] = { p, p }; }
action hier_end { m_views[HIERARCHICAL] = { m_views[HIERARCHICAL].begin (), p }; }
action user_begin { m_views[USER] = { p, p }; }
action user_end { m_views[USER] = { m_views[USER].begin (), p }; }
action host_begin { m_views[HOST] = { p, p }; }
action host_end { m_views[HOST] = { m_views[HOST].begin (), p }; }
action port_begin { m_views[PORT] = { p, p }; }
action port_end { m_views[PORT] = { m_views[PORT].begin (), p }; }
action authority_begin { m_views[AUTHORITY] = { p, p}; }
action authority_end { m_views[AUTHORITY] = { m_views[AUTHORITY].begin (), p }; }
action path_begin { m_views[PATH] = { p, p}; }
action path_end { m_views[PATH] = { m_views[PATH].begin (), p }; }
action query_begin { m_views[QUERY] = { p, p}; }
action query_end { m_views[QUERY] = { m_views[QUERY].begin (), p }; }
action fragment_begin { m_views[FRAGMENT] = { p, p}; }
action fragment_end { m_views[FRAGMENT] = { m_views[FRAGMENT].begin (), p }; }
action uri_begin {}
action uri_end {}
include rfc3986 'rfc3986.rl';
impl := URI >uri_begin %uri_end
%success
$!failure
$trace;
write data;
}%%
///////////////////////////////////////////////////////////////////////////////
cruft::uri::uri (std::string &&_value):
m_views {
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr
},
m_value (std::move (_value))
{
const char *p = m_value.data ();
const char *pe = m_value.data () + m_value.size ();
const char *eof = pe;
bool __success = false;
int cs;
%%write init;
%%write exec;
if (!__success)
throw parse_error ("invalid uri");
}