lyb UPDATE improve LYB format

Store context hash instead of all the modules.
Causes that it is now necessary for printing/
parsing contexts to be the same, hash must match.

Author: michalvasko

src/lyb.c

@@ -109,17 +109,3 @@ lyb_cache_module_hash(const struct lys_module *mod)
     /* UNLOCK */
     pthread_mutex_unlock(&mod->ctx->lyb_hash_lock);
 }
-
-ly_bool
-lyb_has_schema_model(const struct lysc_node *node, const struct lys_module **models)
-{
-    LY_ARRAY_COUNT_TYPE u;
-
-    LY_ARRAY_FOR(models, u) {
-        if (node->module == models[u]) {
-            return 1;
-        }
-    }
-
-    return 0;
-}

src/lyb.h

@@ -83,8 +83,6 @@ struct lylyb_ctx {
     uint64_t line;             /* current line */
     struct ly_in *in;          /* input structure */
 
-    const struct lys_module **models;
-
     struct lyd_lyb_sibling {
         size_t written;
         size_t position;
@@ -97,6 +95,7 @@ struct lylyb_ctx {
         struct lysc_node *first_sibling;
         struct ly_ht *ht;
     } *sib_hts;
+    ly_bool empty_hash;
 };
 
 /**
@@ -111,7 +110,7 @@ void lyd_lyb_ctx_free(struct lyd_ctx *lydctx);
 #define LYB_SIBLING_STEP 4
 
 /* current LYB format version */
-#define LYB_HEADER_VERSION_NUM 0x06
+#define LYB_HEADER_VERSION_NUM 0x07
 
 /* LYB format version mask of the header byte */
 #define LYB_HEADER_VERSION_MASK 0x0F
@@ -197,13 +196,4 @@ LYB_HASH lyb_get_hash(const struct lysc_node *node, uint8_t collision_id);
  */
 void lyb_cache_module_hash(const struct lys_module *mod);
 
-/**
- * @brief Check whether a node's module is in a module array.
- *
- * @param[in] node Node to check.
- * @param[in] models Modules in a sized array.
- * @return Boolean value whether @p node's module was found in the given @p models array.
- */
-ly_bool lyb_has_schema_model(const struct lysc_node *node, const struct lys_module **models);
-
 #endif /* LY_LYB_H_ */

src/parser_data.h

@@ -145,13 +145,11 @@ struct ly_in;
                                                  resolved, and default values are not added (only the ones parsed are
                                                  present). */
 #define LYD_PARSE_STRICT    0x020000        /**< Instead of silently ignoring data without schema definition raise an error.
-                                                 Do not combine with ::LYD_PARSE_OPAQ (except for ::LYD_LYB). */
+                                                 Do not combine with ::LYD_PARSE_OPAQ. Always set for ::LYD_LYB. */
 #define LYD_PARSE_OPAQ      0x040000        /**< Instead of silently ignoring data without definition, parse them into
                                                  an opaq node. Do not combine with ::LYD_PARSE_STRICT (except for ::LYD_LYB). */
 #define LYD_PARSE_NO_STATE  0x080000        /**< Forbid state data in the parsed data. Usually used with ::LYD_VALIDATE_NO_STATE. */
-#define LYD_PARSE_LYB_MOD_UPDATE  0x100000  /**< Only for LYB format, allow parsing data printed using a specific module
-                                                 revision to be loaded even with a module with the same name but newer
-                                                 revision. */
+#define LYD_PARSE_LYB_MOD_UPDATE  0x100000  /**< Deprecated, ignored. */
 #define LYD_PARSE_ORDERED 0x200000          /**< Do not search for the correct place of each node but instead expect
                                                  that the nodes are being parsed in the correct schema-based order,
                                                  which is always true if the data were printed by libyang and not