90 lines
2.3 KiB
C
90 lines
2.3 KiB
C
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/*-
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* Copyright (c) 2020 Kyle Evans <kevans@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <lua.h>
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#include "lauxlib.h"
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/* Open the pager. No arguments, no return value. */
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static int
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lpager_open(lua_State *L)
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{
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pager_open();
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return (0);
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}
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/*
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* Output to the pager. All arguments are interpreted as strings and passed to
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* pager_output(). No return value.
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*/
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static int
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lpager_output(lua_State *L)
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{
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const char *outstr;
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int i;
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for (i = 1; i <= lua_gettop(L); i++) {
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outstr = luaL_tolstring(L, i, NULL);
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pager_output(outstr);
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lua_pop(L, -1);
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}
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return (0);
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}
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/* Output to the pager from a file. Takes a filename, no return value. */
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static int
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lpager_file(lua_State *L)
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{
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return (pager_file(luaL_checkstring(L, 1)));
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}
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static int
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lpager_close(lua_State *L)
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{
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pager_close();
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return (0);
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}
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static const struct luaL_Reg pagerlib[] = {
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{ "open", lpager_open },
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{ "output", lpager_output },
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{ "file", lpager_file },
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{ "close", lpager_close },
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{ NULL, NULL },
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};
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int
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luaopen_pager(lua_State *L)
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{
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luaL_newlib(L, pagerlib);
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return 1;
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}
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