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#include "config.h"
#include "lauxlib.h"
#include "lualib.h"
int pow_open_config(pow_config *cfg, char *path) {
int err;
cfg->L = luaL_newstate();
if (!cfg->L) {
return 1;
}
lua_State *L = cfg->L; // just easier to access
luaL_openlibs(L);
err = luaL_loadfile(L, path);
if (err) {
return 1;
}
err = lua_pcall(L, 0, 1, 0);
if (err) {
printf("%s\n", lua_tostring(L, -1));
return 1;
}
if (!lua_istable(L, -1)) {
printf("bad config. you must return a table.\n");
return 1;
}
lua_getfield(L, -1, "repos"); // this will push the entire config table to -2
// and push repos to -1
if (lua_istable(L, -1)) {
size_t repo_count = lua_rawlen(L, -1);
for (size_t i = 1; i <= repo_count; i++) {
lua_rawgeti(L, -1, i);
if (lua_istable(L, -1)) {
lua_getfield(L, -1, "path");
if (lua_isstring(L, -1)) {
const char *path = lua_tostring(L, -1);
printf("%s\n", path);
}
lua_pop(L, 1);
}
lua_pop(L, 1);
}
}
return 0;
}
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