mirror of
https://github.com/koreader/koreader
synced 2024-11-11 19:11:14 +00:00
129 lines
3.2 KiB
C
129 lines
3.2 KiB
C
/*
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KindlePDFViewer
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Copyright (C) 2011 Hans-Werner Hilse <hilse@web.de>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <lua.h>
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#include <lualib.h>
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#include <lauxlib.h>
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#include "blitbuffer.h"
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#include "drawcontext.h"
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#include "koptcontext.h"
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#include "pdf.h"
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#include "mupdfimg.h"
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#include "djvu.h"
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#include "pic.h"
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#include "cre.h"
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#include "einkfb.h"
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#include "input.h"
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#include "ft.h"
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#include "util.h"
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#include "lfs.h"
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lua_State *L;
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/* from luajit-2.0/src/luajit.c : */
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static int traceback(lua_State *L)
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{
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if (!lua_isstring(L, 1)) { /* Non-string error object? Try metamethod. */
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if (lua_isnoneornil(L, 1) ||
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!luaL_callmeta(L, 1, "__tostring") ||
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!lua_isstring(L, -1))
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return 1; /* Return non-string error object. */
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lua_remove(L, 1); /* Replace object by result of __tostring metamethod. */
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}
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lua_getfield(L, LUA_GLOBALSINDEX, "debug");
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if (!lua_istable(L, -1)) {
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lua_pop(L, 1);
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return 1;
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}
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lua_getfield(L, -1, "traceback");
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if (!lua_isfunction(L, -1)) {
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lua_pop(L, 2);
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return 1;
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}
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lua_pushvalue(L, 1); /* Push error message. */
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lua_pushinteger(L, 2); /* Skip this function and debug.traceback(). */
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lua_call(L, 2, 1); /* Call debug.traceback(). */
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return 1;
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}
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/* from luajit-2.0/src/luajit.c : */
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static int docall(lua_State *L, int narg, int clear)
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{
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int status;
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int base = lua_gettop(L) - narg; /* function index */
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lua_pushcfunction(L, traceback); /* push traceback function */
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lua_insert(L, base); /* put it under chunk and args */
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status = lua_pcall(L, narg, (clear ? 0 : LUA_MULTRET), base);
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lua_remove(L, base); /* remove traceback function */
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/* force a complete garbage collection in case of errors */
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if (status != 0) lua_gc(L, LUA_GCCOLLECT, 0);
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return status;
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}
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int main(int argc, char **argv) {
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int i;
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if(argc < 2) {
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fprintf(stderr, "needs config file as first argument.\n");
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return -1;
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}
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/* set up Lua state */
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L = lua_open();
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if(L) {
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luaL_openlibs(L);
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luaopen_blitbuffer(L);
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luaopen_drawcontext(L);
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luaopen_koptcontext(L);
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luaopen_einkfb(L);
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luaopen_pdf(L);
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luaopen_djvu(L);
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luaopen_pic(L);
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luaopen_cre(L);
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luaopen_input(L);
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luaopen_util(L);
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luaopen_ft(L);
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luaopen_mupdfimg(L);
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luaopen_lfs(L);
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lua_newtable(L);
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for(i=2; i < argc; i++) {
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lua_pushstring(L, argv[i]);
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lua_rawseti(L, -2, i-1);
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}
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lua_setglobal(L, "ARGV");
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if(luaL_loadfile(L, argv[1]) || docall(L, 0, 1)) {
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fprintf(stderr, "lua config error: %s\n", lua_tostring(L, -1));
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lua_close(L);
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L=NULL;
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return -1;
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}
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}
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return 0;
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}
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