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