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// Copyright (C) 2006 Timothy Brownawell <tbrownaw@gmail.com>
//
// This program is made available under the GNU GPL version 2.0 or
// greater. See the accompanying file COPYING for details.
//
// This program is distributed WITHOUT ANY WARRANTY; without even the
// implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
// PURPOSE.
#include "base.hh"
#include "lua.hh"
#include "basic_io.hh"
using std::vector;
using std::string;
using std::pair;
using std::make_pair;
LUAEXT(parse_basic_io, )
{
// This has no notion of a 'stanza'. It assumes a 'line' is a symbol
// followed by one or more string or hex values. It returns a table of
// lines.
vector<pair<string, vector<string> > > res;
#ifdef lua_strlen
const string str(luaL_checkstring(LS, -1), lua_strlen(LS, -1));
#else
const string str(luaL_checkstring(LS, -1), lua_rawlen(LS, -1));
#endif
basic_io::input_source in(str, "monotone_parse_basic_io_for_lua");
in.made_from = origin::user;
basic_io::tokenizer tok(in);
try
{
string got;
basic_io::token_type tt;
do
{
tt = tok.get_token(got);
switch (tt)
{
case basic_io::TOK_SYMBOL:
res.push_back(make_pair(got, vector<string>()));
break;
case basic_io::TOK_STRING:
case basic_io::TOK_HEX:
E(!res.empty(), origin::user, F("bad input to parse_basic_io"));
res.back().second.push_back(got);
break;
default:
break;
}
}
while (tt != basic_io::TOK_NONE);
}
catch (recoverable_failure & e)
{// there was a syntax error in our string
lua_pushnil(LS);
return 1;
}
lua_newtable(LS);
int n = 1;
for (vector<pair<string, vector<string> > >::const_iterator i = res.begin();
i != res.end(); ++i)
{
lua_newtable(LS);
lua_pushstring(LS, i->first.c_str());
lua_setfield(LS, -2, "name");
lua_newtable(LS);
int m = 1;
for (vector<string>::const_iterator j = i->second.begin();
j != i->second.end(); ++j)
{
lua_pushstring(LS, j->c_str());
lua_rawseti(LS, -2, m++);
}
lua_setfield(LS, -2, "values");
lua_rawseti(LS, -2, n++);
}
return 1;
}
// Local Variables:
// mode: C++
// fill-column: 76
// c-file-style: "gnu"
// indent-tabs-mode: nil
// End:
// vim: et:sw=2:sts=2:ts=2:cino=>2s,{s,\:s,+s,t0,g0,^-2,e-2,n-2,p2s,(0,=s:
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