static int
mln_lang_str_index(mln_lang_ctx_t *ctx, mln_lang_retExp_t **ret, mln_lang_retExp_t *op1, mln_lang_retExp_t *op2)
{
ASSERT(op1->type == M_LANG_RETEXP_VAR && op2->type == M_LANG_RETEXP_VAR);
mln_s64_t offset;
mln_string_t c;
mln_string_t *s = mln_lang_var_getVal(op1->data.var)->data.s;
if (mln_lang_var_getValType(op2->data.var) != M_LANG_VAL_TYPE_INT) {
mln_lang_errmsg(ctx, "Offset of string must be an integer.");
return -1;
}
offset = mln_lang_var_getVal(op2->data.var)->data.i;
if (offset < 0 || offset >= s->len) {
mln_lang_errmsg(ctx, "Invalid offset of string.");
return -1;
}
mln_string_nSet(&c, &(s->data[offset]), 1);
if ((*ret = mln_lang_retExp_createTmpString(ctx->pool, &c, NULL)) == NULL) {
mln_lang_errmsg(ctx, "No memory.");
return -1;
}
return 0;
}
/*mln_conf_t*/
static inline mln_conf_t *mln_conf_init(void)
{
mln_conf_lex_lex_dup(NULL, NULL);/*nothing to do, just get rid of compiler's warnging*/
mln_conf_t *cf;
mln_rbtree_node_t *rn;
cf = (mln_conf_t *)malloc(sizeof(mln_conf_t));
if (cf == NULL) {
fprintf(stderr, "No memory.\n");
return NULL;
}
cf->search = mln_conf_search_domain;
struct mln_rbtree_attr rbattr;
rbattr.cmp = mln_conf_domain_cmp;
rbattr.data_free = mln_conf_domain_destroy;
if ((cf->domain = mln_rbtree_init(&rbattr)) == NULL) {
fprintf(stderr, "No memory.\n");
free(cf);
return NULL;
}
mln_alloc_t *pool;
mln_string_t path;
char *conf_file_path;
mln_size_t path_len = strlen(mln_path());
mln_lex_hooks_t hooks;
struct mln_lex_attr lattr;
if ((pool = mln_alloc_init()) == NULL) {
fprintf(stderr, "No memory.\n");
mln_rbtree_destroy(cf->domain);
free(cf);
return NULL;
}
if ((conf_file_path = (char *)mln_alloc_m(pool, path_len + sizeof(conf_filename) + 1)) == NULL) {
fprintf(stderr, "No memory.\n");
mln_alloc_destroy(pool);
mln_rbtree_destroy(cf->domain);
free(cf);
return NULL;
}
memcpy(conf_file_path, mln_path(), path_len);
conf_file_path[path_len] = '/';
memcpy(conf_file_path+path_len+1, conf_filename, sizeof(conf_filename)-1);
mln_string_nSet(&path, conf_file_path, path_len + sizeof(conf_filename));
lattr.pool = pool;
lattr.keywords = conf_keywords;
memset(&hooks, 0, sizeof(hooks));
hooks.slash_handler = (lex_hook)mln_conf_lex_slash_handler;
hooks.sglq_handler = (lex_hook)mln_conf_lex_sglq_handler;
hooks.dblq_handler = (lex_hook)mln_conf_lex_dblq_handler;
lattr.hooks = &hooks;
lattr.preprocess = 1;
lattr.type = M_INPUT_T_FILE;
lattr.data = &path;
mln_lex_initWithHooks(mln_conf_lex, cf->lex, &lattr);
mln_alloc_free(conf_file_path);
if (cf->lex == NULL) {
fprintf(stderr, "No memory.\n");
mln_alloc_destroy(pool);
mln_rbtree_destroy(cf->domain);
free(cf);
return NULL;
}
mln_conf_domain_t *cd = mln_conf_domain_init(cf, &default_domain);
if (cd == NULL) {
fprintf(stderr, "No memory.\n");
mln_conf_destroy(cf);
return NULL;
}
if ((rn = mln_rbtree_new_node(cf->domain, cd)) == NULL) {
fprintf(stderr, "No memory.\n");
mln_conf_domain_destroy((void *)cd);
mln_conf_destroy(cf);
return NULL;
}
mln_rbtree_insert(cf->domain, rn);
return cf;
}
