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/* libquvi
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* Copyright (C) 2012 Toni Gundogdu <legatvs@gmail.com>
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*
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* This file is part of libquvi <http://quvi.sourceforge.net/>.
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public
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* License as published by the Free Software Foundation, either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General
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* Public License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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/*
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* NOTE: The error messages produced in these functions are intended for
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* developers. They would typically be seen when a new script is
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* being developed or an old one is being maintained.
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*
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* These messages should be clear, indicating the actual error,
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* minimizing the time spent on locating the problem in the script.
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*/
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#include "config.h"
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#include <lauxlib.h>
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#include <glib.h>
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#include "quvi.h"
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/* -- */
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#include "_quvi_s.h"
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#include "_quvi_playlist_s.h"
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#include "_quvi_script_s.h"
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/* -- */
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#include "lua/setfield.h"
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#include "lua/chk.h"
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#include "lua/def.h"
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static const gchar script_func[] = "ident";
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static QuviError _chk_results(lua_State *l, _quvi_script_t qs)
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{
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QuviError r;
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r = (l_chk_can_parse_url(l, qs, PS_CAN_PARSE_URL,
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PS_DOMAINS, script_func) == TRUE)
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? QUVI_OK
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: QUVI_ERROR_NO_SUPPORT;
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lua_pop(l, 1);
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return (r);
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}
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QuviError l_exec_playlist_script_ident(gpointer p, GSList *sl)
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{
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_quvi_playlist_t qp;
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_quvi_script_t qs;
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lua_State *l;
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qp = (_quvi_playlist_t) p;
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l = qp->handle.quvi->handle.lua;
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qs = (_quvi_script_t) sl->data;
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lua_pushnil(l);
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if (luaL_dofile(l, qs->fpath->str))
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luaL_error(l, "%s", lua_tostring(l, -1));
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lua_getglobal(l, script_func);
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if (!lua_isfunction(l, -1))
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{
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static const gchar *_E = "%s: the function `%s' was not found";
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luaL_error(l, _E, qs->fpath->str, script_func);
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}
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lua_newtable(l);
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l_setfield_s(l, PS_INPUT_URL, qp->url.input->str, -1);
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if (lua_pcall(l, 1, 1, 0))
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{
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g_string_assign(qp->handle.quvi->status.errmsg, lua_tostring(l, -1));
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return (QUVI_ERROR_SCRIPT);
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}
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if (!lua_istable(l, -1))
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{
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luaL_error(l, "%s: %s: must return a dictionary",
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qs->fpath->str, script_func);
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}
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return (_chk_results(l, qs));
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}
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/* vim: set ts=2 sw=2 tw=72 expandtab: */
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