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#include <stdio.h>
#include <stdlib.h>
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
#define OPTPARSE_IMPLEMENTATION
#define OPTPARSE_API static
#include "optparse.h"
int luaopen_hpdf(lua_State *L);
extern const char mkpdf_lua[];
extern const unsigned long mkpdf_lua_size;
void usage(const char *program)
{
fprintf(stderr, "%s [--version] [--help] <script-path>\n", program);
}
int main(int argc, char **argv)
{
lua_State *L;
int rc = 0;
int option = 0;
struct optparse optparse;
const char *script;
#if !defined(_WIN32)
size_t l;
const char *s;
#endif
const struct optparse_long options[] =
{
{ "version", 'v', OPTPARSE_NONE },
{ "help", 'h', OPTPARSE_NONE },
{ NULL }
};
optparse_init(&optparse, argv);
while ((option = optparse_long(&optparse, options, NULL)) != -1)
{
switch (option)
{
case 'v':
printf("%s\n", MKPDF_VERSION);
return 0;
case 'h':
usage(argv[0]);
return 1;
case '?':
fprintf(stderr, "%s\n", optparse.errmsg);
usage(argv[0]);
return 1;
}
}
if ((script = optparse_arg(&optparse)) == NULL)
{
fprintf(stderr, "error: no script given\n\n");
usage(argv[0]);
return 1;
}
L = luaL_newstate();
luaL_openlibs(L);
lua_getglobal(L, "package");
lua_getfield(L, -1, "preload");
lua_pushcfunction(L, luaopen_hpdf);
lua_setfield(L, -2, "hpdf");
lua_pop(L, 2);
#if !defined(_WIN32)
// Setup package.path so that stuff is also searched from under the current
// directory (as in Windows).
lua_getglobal(L, "package");
lua_getfield(L, -1, "path");
s = lua_tolstring(L, -1, &l);
lua_pushfstring(L, "%s;./lua/?.lua;./lua/?/init.lua", s);
lua_setfield(L, -3, "path");
lua_pop(L, 2);
#endif
if (luaL_dostring(L, mkpdf_lua))
{
fprintf(stderr, "%s\n", lua_tostring(L, -1));
rc = 1;
}
if (luaL_dofile(L, argv[1]))
{
fprintf(stderr, "%s\n", lua_tostring(L, -1));
rc = 1;
}
lua_close(L);
return rc;
}
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