libyang  2.1.55
libyang is YANG data modelling language parser and toolkit written (and providing API) in C.
tree_data.h
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1 
16 #ifndef LY_TREE_DATA_H_
17 #define LY_TREE_DATA_H_
18 
19 #ifdef _WIN32
20 # include <winsock2.h>
21 # include <ws2tcpip.h>
22 #else
23 # include <arpa/inet.h>
24 # if defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__)
25 # include <netinet/in.h>
26 # include <sys/socket.h>
27 # endif
28 #endif
29 #include <stddef.h>
30 #include <stdint.h>
31 #include <time.h>
32 
33 #include "config.h"
34 #include "log.h"
35 #include "tree.h"
36 #include "tree_schema.h"
37 
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41 
42 struct ly_ctx;
43 struct ly_path;
44 struct ly_set;
45 struct lyd_node;
46 struct lyd_node_opaq;
47 struct lyd_node_term;
48 struct timespec;
49 struct lyxp_var;
50 
423 /* *INDENT-OFF* */
424 
450 #define LYD_TREE_DFS_BEGIN(START, ELEM) \
451  { ly_bool LYD_TREE_DFS_continue = 0; struct lyd_node *LYD_TREE_DFS_next; \
452  for ((ELEM) = (LYD_TREE_DFS_next) = (struct lyd_node *)(START); \
453  (ELEM); \
454  (ELEM) = (LYD_TREE_DFS_next), LYD_TREE_DFS_continue = 0)
455 
470 #define LYD_TREE_DFS_END(START, ELEM) \
471  /* select element for the next run - children first */ \
472  if (LYD_TREE_DFS_continue) { \
473  (LYD_TREE_DFS_next) = NULL; \
474  } else { \
475  (LYD_TREE_DFS_next) = lyd_child(ELEM); \
476  }\
477  if (!(LYD_TREE_DFS_next)) { \
478  /* no children */ \
479  if ((ELEM) == (struct lyd_node *)(START)) { \
480  /* we are done, (START) has no children */ \
481  break; \
482  } \
483  /* try siblings */ \
484  (LYD_TREE_DFS_next) = (ELEM)->next; \
485  } \
486  while (!(LYD_TREE_DFS_next)) { \
487  /* parent is already processed, go to its sibling */ \
488  (ELEM) = (struct lyd_node *)(ELEM)->parent; \
489  /* no siblings, go back through parents */ \
490  if ((ELEM)->parent == (START)->parent) { \
491  /* we are done, no next element to process */ \
492  break; \
493  } \
494  (LYD_TREE_DFS_next) = (ELEM)->next; \
495  } }
496 
504 #define LYD_LIST_FOR_INST(START, SCHEMA, ELEM) \
505  for (lyd_find_sibling_val(START, SCHEMA, NULL, 0, &(ELEM)); \
506  (ELEM) && ((ELEM)->schema == (SCHEMA)); \
507  (ELEM) = (ELEM)->next)
508 
517 #define LYD_LIST_FOR_INST_SAFE(START, SCHEMA, NEXT, ELEM) \
518  for ((NEXT) = (ELEM) = NULL, lyd_find_sibling_val(START, SCHEMA, NULL, 0, &(ELEM)); \
519  (ELEM) && ((ELEM)->schema == (SCHEMA)) ? ((NEXT) = (ELEM)->next, 1) : 0; \
520  (ELEM) = (NEXT))
521 
522 /* *INDENT-ON* */
523 
527 #define LYD_CTX(node) ((node)->schema ? (node)->schema->module->ctx : ((const struct lyd_node_opaq *)(node))->ctx)
528 
533 typedef enum {
537  LYD_LYB
539 
543 typedef enum {
554 
560 struct lyd_value {
561  const char *_canonical;
564  const struct lysc_type *realtype;
572  union {
573  int8_t boolean;
574  int64_t dec64;
575  int8_t int8;
576  int16_t int16;
577  int32_t int32;
578  int64_t int64;
579  uint8_t uint8;
580  uint16_t uint16;
581  uint32_t uint32;
582  uint64_t uint64;
583  struct lysc_type_bitenum_item *enum_item;
584  struct lysc_ident *ident;
585  struct ly_path *target;
587  struct lyd_value_union *subvalue;
589  void *dyn_mem;
590  uint8_t fixed_mem[LYD_VALUE_FIXED_MEM_SIZE];
591  };
593 };
594 
603 #define LYD_VALUE_GET(value, type_val) \
604  ((sizeof *(type_val) > LYD_VALUE_FIXED_MEM_SIZE) \
605  ? ((type_val) = (((value)->dyn_mem))) \
606  : ((type_val) = ((void *)((value)->fixed_mem))))
607 
616  struct lyd_value value;
618  void *original;
619  size_t orig_len;
620  uint32_t hints;
624  void *prefix_data;
625  const struct lysc_node *ctx_node;
626 };
627 
632  char *bitmap;
637 };
638 
643  void *data;
644  size_t size;
645 };
646 
651  struct in_addr addr;
652 };
653 
658  struct in_addr addr;
659  const char *zone;
660 };
661 
666  struct in_addr addr;
667  uint8_t prefix;
668 };
669 
674  struct in6_addr addr;
675 };
676 
681  struct in6_addr addr;
682  const char *zone;
683 };
684 
689  struct in6_addr addr;
690  uint8_t prefix;
691 };
692 
697  time_t time;
698  char *fractions_s;
700 };
701 
706  struct lyxp_expr *exp;
707  const struct ly_ctx *ctx;
708  void *prefix_data;
710 };
711 
719 struct ly_opaq_name {
720  const char *name;
721  const char *prefix;
723  union {
724  const char *module_ns;
725  const char *module_name;
726  };
727 };
728 
732 struct lyd_attr {
734  struct lyd_attr *next;
735  struct ly_opaq_name name;
736  const char *value;
737  uint32_t hints;
740 };
741 
742 #define LYD_NODE_INNER (LYS_CONTAINER|LYS_LIST|LYS_RPC|LYS_ACTION|LYS_NOTIF)
743 #define LYD_NODE_TERM (LYS_LEAF|LYS_LEAFLIST)
744 #define LYD_NODE_ANY (LYS_ANYDATA)
771 #define LYD_DEFAULT 0x01
772 #define LYD_WHEN_TRUE 0x02
773 #define LYD_NEW 0x04
774 #define LYD_EXT 0x08
781 struct lyd_node {
782  uint32_t hash;
786  uint32_t flags;
787  const struct lysc_node *schema;
789  struct lyd_node *next;
790  struct lyd_node *prev;
794  struct lyd_meta *meta;
795  void *priv;
796 };
797 
802  union {
803  struct lyd_node node;
805  struct {
806  uint32_t hash;
811  uint32_t flags;
812  const struct lysc_node *schema;
813  struct lyd_node_inner *parent;
814  struct lyd_node *next;
815  struct lyd_node *prev;
819  struct lyd_meta *meta;
820  void *priv;
821  };
822  };
824  struct lyd_node *child;
825  struct hash_table *children_ht;
827 #define LYD_HT_MIN_ITEMS 4
828 };
829 
834  union {
835  struct lyd_node node;
837  struct {
838  uint32_t hash;
843  uint32_t flags;
844  const struct lysc_node *schema;
845  struct lyd_node_inner *parent;
846  struct lyd_node *next;
847  struct lyd_node *prev;
851  struct lyd_meta *meta;
852  void *priv;
853  };
854  };
856  struct lyd_value value;
857 };
858 
863  struct lyd_node *tree;
864  const char *str;
865  const char *xml;
866  const char *json;
867  char *mem;
868 };
869 
874 struct lyd_node_any {
875  union {
876  struct lyd_node node;
878  struct {
879  uint32_t hash;
884  uint32_t flags;
885  const struct lysc_node *schema;
886  struct lyd_node_inner *parent;
887  struct lyd_node *next;
888  struct lyd_node *prev;
892  struct lyd_meta *meta;
893  void *priv;
894  };
895  };
897  union lyd_any_value value;
899 };
900 
907 #define LYD_NAME(node) ((node)->schema ? (node)->schema->name : ((struct lyd_node_opaq *)node)->name.name)
908 
918 #define LYD_VALHINT_STRING 0x0001
919 #define LYD_VALHINT_DECNUM 0x0002
920 #define LYD_VALHINT_OCTNUM 0x0004
921 #define LYD_VALHINT_HEXNUM 0x0008
922 #define LYD_VALHINT_NUM64 0x0010
923 #define LYD_VALHINT_BOOLEAN 0x0020
924 #define LYD_VALHINT_EMPTY 0x0040
938 #define LYD_NODEHINT_LIST 0x0080
939 #define LYD_NODEHINT_LEAFLIST 0x0100
954 #define LYD_HINT_DATA 0x01F3
958 #define LYD_HINT_SCHEMA 0x01FF
970  union {
971  struct lyd_node node;
973  struct {
974  uint32_t hash;
975  uint32_t flags;
976  const struct lysc_node *schema;
977  struct lyd_node_inner *parent;
978  struct lyd_node *next;
979  struct lyd_node *prev;
983  struct lyd_meta *meta;
984  void *priv;
985  };
986  };
988  struct lyd_node *child;
990  struct ly_opaq_name name;
991  const char *value;
992  uint32_t hints;
996  struct lyd_attr *attr;
997  const struct ly_ctx *ctx;
998 };
999 
1007 static inline struct lyd_node *
1008 lyd_parent(const struct lyd_node *node)
1009 {
1010  if (!node || !node->parent) {
1011  return NULL;
1012  }
1013 
1014  return &node->parent->node;
1015 }
1016 
1027 static inline struct lyd_node *
1028 lyd_child(const struct lyd_node *node)
1029 {
1030  if (!node) {
1031  return NULL;
1032  }
1033 
1034  if (!node->schema) {
1035  /* opaq node */
1036  return ((const struct lyd_node_opaq *)node)->child;
1037  }
1038 
1039  switch (node->schema->nodetype) {
1040  case LYS_CONTAINER:
1041  case LYS_LIST:
1042  case LYS_RPC:
1043  case LYS_ACTION:
1044  case LYS_NOTIF:
1045  return ((const struct lyd_node_inner *)node)->child;
1046  default:
1047  return NULL;
1048  }
1049 }
1050 
1061 LIBYANG_API_DECL struct lyd_node *lyd_child_no_keys(const struct lyd_node *node);
1062 
1072 LIBYANG_API_DECL const struct lys_module *lyd_owner_module(const struct lyd_node *node);
1073 
1080 LIBYANG_API_DECL ly_bool lyd_is_default(const struct lyd_node *node);
1081 
1089 LIBYANG_API_DECL uint32_t lyd_list_pos(const struct lyd_node *instance);
1090 
1097 LIBYANG_API_DECL struct lyd_node *lyd_first_sibling(const struct lyd_node *node);
1098 
1106 LIBYANG_API_DECL int lyd_lyb_data_length(const char *data);
1107 
1117 LIBYANG_API_DECL LY_ERR lyd_parse_opaq_error(const struct lyd_node *node);
1118 
1128 LIBYANG_API_DECL const char *lyd_value_get_canonical(const struct ly_ctx *ctx, const struct lyd_value *value);
1129 
1136 static inline const char *
1137 lyd_get_value(const struct lyd_node *node)
1138 {
1139  if (!node) {
1140  return NULL;
1141  }
1142 
1143  if (!node->schema) {
1144  return ((const struct lyd_node_opaq *)node)->value;
1145  } else if (node->schema->nodetype & LYD_NODE_TERM) {
1146  const struct lyd_value *value = &((const struct lyd_node_term *)node)->value;
1147 
1149  }
1150 
1151  return NULL;
1152 }
1153 
1161 LIBYANG_API_DECL LY_ERR lyd_any_value_str(const struct lyd_node *any, char **value_str);
1162 
1171 LIBYANG_API_DECL LY_ERR lyd_any_copy_value(struct lyd_node *trg, const union lyd_any_value *value,
1172  LYD_ANYDATA_VALUETYPE value_type);
1173 
1189 LIBYANG_API_DECL LY_ERR lyd_new_inner(struct lyd_node *parent, const struct lys_module *module, const char *name,
1190  ly_bool output, struct lyd_node **node);
1191 
1205 LIBYANG_API_DECL LY_ERR lyd_new_ext_inner(const struct lysc_ext_instance *ext, const char *name, struct lyd_node **node);
1206 
1221 LIBYANG_API_DECL LY_ERR lyd_new_list(struct lyd_node *parent, const struct lys_module *module, const char *name,
1222  ly_bool output, struct lyd_node **node, ...);
1223 
1237 LIBYANG_API_DECL LY_ERR lyd_new_list_bin(struct lyd_node *parent, const struct lys_module *module, const char *name,
1238  ly_bool output, struct lyd_node **node, ...);
1239 
1253 LIBYANG_API_DECL LY_ERR lyd_new_list_canon(struct lyd_node *parent, const struct lys_module *module, const char *name,
1254  ly_bool output, struct lyd_node **node, ...);
1255 
1270 LIBYANG_API_DECL LY_ERR lyd_new_ext_list(const struct lysc_ext_instance *ext, const char *name, struct lyd_node **node, ...);
1271 
1286 LIBYANG_API_DECL LY_ERR lyd_new_list2(struct lyd_node *parent, const struct lys_module *module, const char *name,
1287  const char *keys, ly_bool output, struct lyd_node **node);
1288 
1303 LIBYANG_API_DECL LY_ERR lyd_new_term(struct lyd_node *parent, const struct lys_module *module, const char *name,
1304  const char *val_str, ly_bool output, struct lyd_node **node);
1305 
1319 LIBYANG_API_DECL LY_ERR lyd_new_term_bin(struct lyd_node *parent, const struct lys_module *module, const char *name,
1320  const void *value, size_t value_len, ly_bool output, struct lyd_node **node);
1321 
1334 LIBYANG_API_DECL LY_ERR lyd_new_term_canon(struct lyd_node *parent, const struct lys_module *module, const char *name,
1335  const char *val_str, ly_bool output, struct lyd_node **node);
1336 
1350 LIBYANG_API_DECL LY_ERR lyd_new_ext_term(const struct lysc_ext_instance *ext, const char *name, const char *val_str,
1351  struct lyd_node **node);
1352 
1369 LIBYANG_API_DECL LY_ERR lyd_new_any(struct lyd_node *parent, const struct lys_module *module, const char *name,
1370  const void *value, ly_bool use_value, LYD_ANYDATA_VALUETYPE value_type, ly_bool output, struct lyd_node **node);
1371 
1386 LIBYANG_API_DECL LY_ERR lyd_new_ext_any(const struct lysc_ext_instance *ext, const char *name, const void *value,
1387  ly_bool use_value, LYD_ANYDATA_VALUETYPE value_type, struct lyd_node **node);
1388 
1403 LIBYANG_API_DECL LY_ERR lyd_new_meta(const struct ly_ctx *ctx, struct lyd_node *parent, const struct lys_module *module,
1404  const char *name, const char *val_str, ly_bool clear_dflt, struct lyd_meta **meta);
1405 
1418 LIBYANG_API_DECL LY_ERR lyd_new_meta2(const struct ly_ctx *ctx, struct lyd_node *parent, ly_bool clear_dflt,
1419  const struct lyd_attr *attr, struct lyd_meta **meta);
1420 
1433 LIBYANG_API_DECL LY_ERR lyd_new_opaq(struct lyd_node *parent, const struct ly_ctx *ctx, const char *name, const char *value,
1434  const char *prefix, const char *module_name, struct lyd_node **node);
1435 
1448 LIBYANG_API_DECL LY_ERR lyd_new_opaq2(struct lyd_node *parent, const struct ly_ctx *ctx, const char *name, const char *value,
1449  const char *prefix, const char *module_ns, struct lyd_node **node);
1450 
1464 LIBYANG_API_DECL LY_ERR lyd_new_attr(struct lyd_node *parent, const char *module_name, const char *name, const char *value,
1465  struct lyd_attr **attr);
1466 
1479 LIBYANG_API_DECL LY_ERR lyd_new_attr2(struct lyd_node *parent, const char *module_ns, const char *name, const char *value,
1480  struct lyd_attr **attr);
1481 
1495 #define LYD_NEW_PATH_UPDATE 0x01
1499 #define LYD_NEW_PATH_OUTPUT 0x02
1501 #define LYD_NEW_PATH_OPAQ 0x04
1504 #define LYD_NEW_PATH_BIN_VALUE 0x08
1506 #define LYD_NEW_PATH_CANON_VALUE 0x10
1540 LIBYANG_API_DECL LY_ERR lyd_new_path(struct lyd_node *parent, const struct ly_ctx *ctx, const char *path, const char *value,
1541  uint32_t options, struct lyd_node **node);
1542 
1567 LIBYANG_API_DECL LY_ERR lyd_new_path2(struct lyd_node *parent, const struct ly_ctx *ctx, const char *path, const void *value,
1568  size_t value_len, LYD_ANYDATA_VALUETYPE value_type, uint32_t options, struct lyd_node **new_parent,
1569  struct lyd_node **new_node);
1570 
1593 LIBYANG_API_DECL LY_ERR lyd_new_ext_path(struct lyd_node *parent, const struct lysc_ext_instance *ext, const char *path,
1594  const void *value, uint32_t options, struct lyd_node **node);
1595 
1609 #define LYD_IMPLICIT_NO_STATE 0x01
1610 #define LYD_IMPLICIT_NO_CONFIG 0x02
1611 #define LYD_IMPLICIT_OUTPUT 0x04
1612 #define LYD_IMPLICIT_NO_DEFAULTS 0x08
1625 LIBYANG_API_DECL LY_ERR lyd_new_implicit_tree(struct lyd_node *tree, uint32_t implicit_options, struct lyd_node **diff);
1626 
1638 LIBYANG_API_DECL LY_ERR lyd_new_implicit_all(struct lyd_node **tree, const struct ly_ctx *ctx, uint32_t implicit_options,
1639  struct lyd_node **diff);
1640 
1652 LIBYANG_API_DECL LY_ERR lyd_new_implicit_module(struct lyd_node **tree, const struct lys_module *module,
1653  uint32_t implicit_options, struct lyd_node **diff);
1654 
1668 LIBYANG_API_DECL LY_ERR lyd_change_term(struct lyd_node *term, const char *val_str);
1669 
1684 LIBYANG_API_DECL LY_ERR lyd_change_term_bin(struct lyd_node *term, const void *value, size_t value_len);
1685 
1700 LIBYANG_API_DECL LY_ERR lyd_change_term_canon(struct lyd_node *term, const char *val_str);
1701 
1711 LIBYANG_API_DECL LY_ERR lyd_change_meta(struct lyd_meta *meta, const char *val_str);
1712 
1724 LIBYANG_API_DECL LY_ERR lyd_insert_child(struct lyd_node *parent, struct lyd_node *node);
1725 
1738 LIBYANG_API_DECL LY_ERR lyd_insert_sibling(struct lyd_node *sibling, struct lyd_node *node, struct lyd_node **first);
1739 
1751 LIBYANG_API_DECL LY_ERR lyd_insert_before(struct lyd_node *sibling, struct lyd_node *node);
1752 
1764 LIBYANG_API_DECL LY_ERR lyd_insert_after(struct lyd_node *sibling, struct lyd_node *node);
1765 
1771 LIBYANG_API_DECL void lyd_unlink_siblings(struct lyd_node *node);
1772 
1778 LIBYANG_API_DECL void lyd_unlink_tree(struct lyd_node *node);
1779 
1785 LIBYANG_API_DECL void lyd_free_all(struct lyd_node *node);
1786 
1792 LIBYANG_API_DECL void lyd_free_siblings(struct lyd_node *node);
1793 
1799 LIBYANG_API_DECL void lyd_free_tree(struct lyd_node *node);
1800 
1806 LIBYANG_API_DECL void lyd_free_meta_single(struct lyd_meta *meta);
1807 
1813 LIBYANG_API_DECL void lyd_free_meta_siblings(struct lyd_meta *meta);
1814 
1821 LIBYANG_API_DECL void lyd_free_attr_single(const struct ly_ctx *ctx, struct lyd_attr *attr);
1822 
1829 LIBYANG_API_DECL void lyd_free_attr_siblings(const struct ly_ctx *ctx, struct lyd_attr *attr);
1830 
1849 LIBYANG_API_DECL LY_ERR lyd_value_validate(const struct ly_ctx *ctx, const struct lysc_node *schema, const char *value,
1850  size_t value_len, const struct lyd_node *ctx_node, const struct lysc_type **realtype, const char **canonical);
1851 
1864 LIBYANG_API_DECL LY_ERR lyd_value_compare(const struct lyd_node_term *node, const char *value, size_t value_len);
1865 
1872 #define LYD_COMPARE_FULL_RECURSION 0x01 /* Lists and containers are the same only in case all they children
1873  (subtree, so direct as well as indirect children) are the same. By default,
1874  containers are the same in case of the same schema node and lists are the same
1875  in case of equal keys (keyless lists do the full recursion comparison all the time). */
1876 #define LYD_COMPARE_DEFAULTS 0x02 /* By default, implicit and explicit default nodes are considered to be equal. This flag
1877  changes this behavior and implicit (automatically created default node) and explicit
1878  (explicitly created node with the default value) default nodes are considered different. */
1879 #define LYD_COMPARE_OPAQ 0x04 /* Opaque nodes can normally be never equal to data nodes. Using this flag even
1880  opaque nodes members are compared to data node schema and value and can result
1881  in a match. */
1895 LIBYANG_API_DECL LY_ERR lyd_compare_single(const struct lyd_node *node1, const struct lyd_node *node2, uint32_t options);
1896 
1908 LIBYANG_API_DECL LY_ERR lyd_compare_siblings(const struct lyd_node *node1, const struct lyd_node *node2, uint32_t options);
1909 
1920 LIBYANG_API_DECL LY_ERR lyd_compare_meta(const struct lyd_meta *meta1, const struct lyd_meta *meta2);
1921 
1934 #define LYD_DUP_RECURSIVE 0x01
1936 #define LYD_DUP_NO_META 0x02
1937 #define LYD_DUP_WITH_PARENTS 0x04
1939 #define LYD_DUP_WITH_FLAGS 0x08
1941 #define LYD_DUP_NO_EXT 0x10
1956 LIBYANG_API_DECL LY_ERR lyd_dup_single(const struct lyd_node *node, struct lyd_node_inner *parent, uint32_t options,
1957  struct lyd_node **dup);
1958 
1971 LIBYANG_API_DECL LY_ERR lyd_dup_single_to_ctx(const struct lyd_node *node, const struct ly_ctx *trg_ctx,
1972  struct lyd_node_inner *parent, uint32_t options, struct lyd_node **dup);
1973 
1985 LIBYANG_API_DECL LY_ERR lyd_dup_siblings(const struct lyd_node *node, struct lyd_node_inner *parent, uint32_t options,
1986  struct lyd_node **dup);
1987 
2001 LIBYANG_API_DECL LY_ERR lyd_dup_siblings_to_ctx(const struct lyd_node *node, const struct ly_ctx *trg_ctx,
2002  struct lyd_node_inner *parent, uint32_t options, struct lyd_node **dup);
2003 
2012 LIBYANG_API_DECL LY_ERR lyd_dup_meta_single(const struct lyd_meta *meta, struct lyd_node *parent, struct lyd_meta **dup);
2013 
2028 #define LYD_MERGE_DESTRUCT 0x01
2029 #define LYD_MERGE_DEFAULTS 0x02
2030 #define LYD_MERGE_WITH_FLAGS 0x04
2054 LIBYANG_API_DECL LY_ERR lyd_merge_tree(struct lyd_node **target, const struct lyd_node *source, uint16_t options);
2055 
2077 LIBYANG_API_DECL LY_ERR lyd_merge_siblings(struct lyd_node **target, const struct lyd_node *source, uint16_t options);
2078 
2088 typedef LY_ERR (*lyd_merge_cb)(struct lyd_node *trg_node, const struct lyd_node *src_node, void *cb_data);
2089 
2105 LIBYANG_API_DECL LY_ERR lyd_merge_module(struct lyd_node **target, const struct lyd_node *source, const struct lys_module *mod,
2106  lyd_merge_cb merge_cb, void *cb_data, uint16_t options);
2107 
2119 #define LYD_DIFF_DEFAULTS 0x01
2150 LIBYANG_API_DECL LY_ERR lyd_diff_tree(const struct lyd_node *first, const struct lyd_node *second, uint16_t options,
2151  struct lyd_node **diff);
2152 
2165 LIBYANG_API_DECL LY_ERR lyd_diff_siblings(const struct lyd_node *first, const struct lyd_node *second, uint16_t options,
2166  struct lyd_node **diff);
2167 
2176 typedef LY_ERR (*lyd_diff_cb)(const struct lyd_node *diff_node, struct lyd_node *data_node, void *cb_data);
2177 
2194 LIBYANG_API_DECL LY_ERR lyd_diff_apply_module(struct lyd_node **data, const struct lyd_node *diff,
2195  const struct lys_module *mod, lyd_diff_cb diff_cb, void *cb_data);
2196 
2207 LIBYANG_API_DECL LY_ERR lyd_diff_apply_all(struct lyd_node **data, const struct lyd_node *diff);
2208 
2220 #define LYD_DIFF_MERGE_DEFAULTS 0x01
2248 LIBYANG_API_DECL LY_ERR lyd_diff_merge_module(struct lyd_node **diff, const struct lyd_node *src_diff,
2249  const struct lys_module *mod, lyd_diff_cb diff_cb, void *cb_data, uint16_t options);
2250 
2267 LIBYANG_API_DECL LY_ERR lyd_diff_merge_tree(struct lyd_node **diff_first, struct lyd_node *diff_parent,
2268  const struct lyd_node *src_sibling, lyd_diff_cb diff_cb, void *cb_data, uint16_t options);
2269 
2281 LIBYANG_API_DECL LY_ERR lyd_diff_merge_all(struct lyd_node **diff, const struct lyd_node *src_diff, uint16_t options);
2282 
2292 LIBYANG_API_DECL LY_ERR lyd_diff_reverse_all(const struct lyd_node *src_diff, struct lyd_node **diff);
2293 
2302 LIBYANG_API_DECL const struct lyd_node_term *lyd_target(const struct ly_path *path, const struct lyd_node *tree);
2303 
2307 typedef enum {
2308  LYD_PATH_STD,
2312 } LYD_PATH_TYPE;
2313 
2329 LIBYANG_API_DECL char *lyd_path(const struct lyd_node *node, LYD_PATH_TYPE pathtype, char *buffer, size_t buflen);
2330 
2340 LIBYANG_API_DECL struct lyd_meta *lyd_find_meta(const struct lyd_meta *first, const struct lys_module *module,
2341  const char *name);
2342 
2354 LIBYANG_API_DECL LY_ERR lyd_find_sibling_first(const struct lyd_node *siblings, const struct lyd_node *target,
2355  struct lyd_node **match);
2356 
2381 LIBYANG_API_DECL LY_ERR lyd_find_sibling_val(const struct lyd_node *siblings, const struct lysc_node *schema,
2382  const char *key_or_value, size_t val_len, struct lyd_node **match);
2383 
2395 LIBYANG_API_DECL LY_ERR lyd_find_sibling_dup_inst_set(const struct lyd_node *siblings, const struct lyd_node *target,
2396  struct ly_set **set);
2397 
2408 LIBYANG_API_DECL LY_ERR lyd_find_sibling_opaq_next(const struct lyd_node *first, const char *name, struct lyd_node **match);
2409 
2421 LIBYANG_API_DECL LY_ERR lyxp_vars_set(struct lyxp_var **vars, const char *name, const char *value);
2422 
2428 LIBYANG_API_DECL void lyxp_vars_free(struct lyxp_var *vars);
2429 
2445 LIBYANG_API_DECL LY_ERR lyd_find_xpath(const struct lyd_node *ctx_node, const char *xpath, struct ly_set **set);
2446 
2460 LIBYANG_API_DECL LY_ERR lyd_find_xpath2(const struct lyd_node *ctx_node, const char *xpath, const struct lyxp_var *vars,
2461  struct ly_set **set);
2462 
2477 LIBYANG_API_DECL LY_ERR lyd_find_xpath3(const struct lyd_node *ctx_node, const struct lyd_node *tree, const char *xpath,
2478  const struct lyxp_var *vars, struct ly_set **set);
2479 
2496 LIBYANG_API_DECL LY_ERR lyd_find_xpath4(const struct lyd_node *ctx_node, const struct lyd_node *tree, const char *xpath,
2497  LY_VALUE_FORMAT format, void *prefix_data, const struct lyxp_var *vars, struct ly_set **set);
2498 
2510 LIBYANG_API_DECL LY_ERR lyd_eval_xpath(const struct lyd_node *ctx_node, const char *xpath, ly_bool *result);
2511 
2524 LIBYANG_API_DECL LY_ERR lyd_eval_xpath2(const struct lyd_node *ctx_node, const char *xpath,
2525  const struct lyxp_var *vars, ly_bool *result);
2526 
2542 LIBYANG_API_DECL LY_ERR lyd_eval_xpath3(const struct lyd_node *ctx_node, const struct lys_module *cur_mod,
2543  const char *xpath, LY_VALUE_FORMAT format, void *prefix_data, const struct lyxp_var *vars, ly_bool *result);
2548 typedef enum {
2550  LY_XPATH_STRING,
2551  LY_XPATH_NUMBER,
2553 } LY_XPATH_TYPE;
2554 
2577 LIBYANG_API_DECL LY_ERR lyd_eval_xpath4(const struct lyd_node *ctx_node, const struct lyd_node *tree,
2578  const struct lys_module *cur_mod, const char *xpath, LY_VALUE_FORMAT format, void *prefix_data,
2579  const struct lyxp_var *vars, LY_XPATH_TYPE *ret_type, struct ly_set **node_set, char **string,
2580  long double *number, ly_bool *boolean);
2581 
2597 LIBYANG_API_DECL LY_ERR lyd_find_path(const struct lyd_node *ctx_node, const char *path, ly_bool output,
2598  struct lyd_node **match);
2599 
2610 LIBYANG_API_DECL LY_ERR lyd_find_target(const struct ly_path *path, const struct lyd_node *tree, struct lyd_node **match);
2611 
2617 LIBYANG_API_DECL int ly_time_tz_offset(void);
2618 
2627 LIBYANG_API_DECL LY_ERR ly_time_str2time(const char *value, time_t *time, char **fractions_s);
2628 
2637 LIBYANG_API_DECL LY_ERR ly_time_time2str(time_t time, const char *fractions_s, char **str);
2638 
2646 LIBYANG_API_DECL LY_ERR ly_time_str2ts(const char *value, struct timespec *ts);
2647 
2655 LIBYANG_API_DECL LY_ERR ly_time_ts2str(const struct timespec *ts, char **str);
2656 
2657 #ifdef __cplusplus
2658 }
2659 #endif
2660 
2661 #endif /* LY_TREE_DATA_H_ */
libyang context handler.
LYD_ANYDATA_VALUETYPE
List of possible value types stored in lyd_node_any.
Definition: tree_data.h:543
LYD_FORMAT
Data input/output formats supported by libyang parser and printer functions.
Definition: tree_data.h:533
#define LYD_CTX(node)
Macro to get context from a data tree node.
Definition: tree_data.h:527
@ LYD_ANYDATA_DATATREE
Definition: tree_data.h:544
@ LYD_ANYDATA_JSON
Definition: tree_data.h:551
@ LYD_ANYDATA_XML
Definition: tree_data.h:550
@ LYD_ANYDATA_LYB
Definition: tree_data.h:552
@ LYD_ANYDATA_STRING
Definition: tree_data.h:547
@ LYD_LYB
Definition: tree_data.h:537
@ LYD_XML
Definition: tree_data.h:535
@ LYD_UNKNOWN
Definition: tree_data.h:534
@ LYD_JSON
Definition: tree_data.h:536
LY_ERR
libyang's error codes returned by the libyang functions.
Definition: log.h:251
Structure to hold a set of (not necessary somehow connected) objects. Usually used for lyd_node,...
Definition: set.h:46
YANG extension compiled instance.
Definition: plugins_exts.h:436
#define LYS_NOTIF
Definition: tree_schema.h:251
#define LYS_RPC
Definition: tree_schema.h:249
#define LYS_CONTAINER
Definition: tree_schema.h:240
#define LYS_ACTION
Definition: tree_schema.h:250
#define LYS_LIST
Definition: tree_schema.h:244
uint16_t nodetype
Definition: tree_schema.h:1399
Available YANG schema tree structures representing YANG module.
Definition: tree_schema.h:2082
YANG identity-stmt.
Definition: tree_schema.h:1209
Compiled YANG data node.
Definition: tree_schema.h:1398
LY_VALUE_FORMAT
All kinds of supported value formats and prefix mappings to modules.
Definition: tree.h:234
Logger manipulation routines and error definitions.
uint8_t ly_bool
Type to indicate boolean value.
Definition: log.h:28
const char * name
Definition: metadata.h:40
struct lyd_value value
Definition: metadata.h:41
Metadata structure.
Definition: metadata.h:36
libyang generic macros and functions to work with YANG schema or data trees.
LIBYANG_API_DECL void lyxp_vars_free(struct lyxp_var *vars)
Free the XPath variables.
LY_VALUE_FORMAT format
Definition: tree_data.h:738
struct lyd_node * next
Definition: tree_data.h:789
LIBYANG_API_DECL void lyd_free_all(struct lyd_node *node)
Free all the nodes (even parents of the node) in the data tree.
LIBYANG_API_DECL LY_ERR lyd_find_sibling_opaq_next(const struct lyd_node *first, const char *name, struct lyd_node **match)
Search the given siblings for an opaque node with a specific name.
void * val_prefix_data
Definition: tree_data.h:994
LIBYANG_API_DECL LY_ERR lyd_merge_siblings(struct lyd_node **target, const struct lyd_node *source, uint16_t options)
Merge the source data tree with any following siblings into the target data tree. Merge may not be co...
LIBYANG_API_DECL void lyd_free_meta_siblings(struct lyd_meta *meta)
Free the metadata instance with any following instances.
LIBYANG_API_DECL LY_ERR lyd_find_xpath(const struct lyd_node *ctx_node, const char *xpath, struct ly_set **set)
Search in the given data for instances of nodes matching the provided XPath.
const char * prefix
Definition: tree_data.h:721
LIBYANG_API_DECL void lyd_unlink_siblings(struct lyd_node *node)
Unlink the specified node with all the following siblings.
LIBYANG_API_DECL LY_ERR ly_time_ts2str(const struct timespec *ts, char **str)
Convert timespec into date-and-time string value.
struct in_addr addr
Definition: tree_data.h:658
LIBYANG_API_DECL LY_ERR ly_time_str2time(const char *value, time_t *time, char **fractions_s)
Convert date-and-time from string to UNIX timestamp and fractions of a second.
LIBYANG_API_DECL LY_ERR lyd_new_path(struct lyd_node *parent, const struct ly_ctx *ctx, const char *path, const char *value, uint32_t options, struct lyd_node **node)
Create a new node in the data tree based on a path. If creating anyxml/anydata nodes,...
const char * str
Definition: tree_data.h:864
LIBYANG_API_DECL LY_ERR lyd_find_target(const struct ly_path *path, const struct lyd_node *tree, struct lyd_node **match)
Find the target node of a compiled path (lyd_value instance-identifier).
LYD_PATH_TYPE
Types of the different data paths.
Definition: tree_data.h:2300
@ LYD_PATH_STD_NO_LAST_PRED
Definition: tree_data.h:2303
@ LYD_PATH_STD
Definition: tree_data.h:2301
LIBYANG_API_DECL LY_ERR lyd_new_implicit_module(struct lyd_node **tree, const struct lys_module *module, uint32_t implicit_options, struct lyd_node **diff)
Add any missing implicit nodes of one module. Default nodes with a false "when" are not added.
LIBYANG_API_DECL LY_ERR lyd_new_path2(struct lyd_node *parent, const struct ly_ctx *ctx, const char *path, const void *value, size_t value_len, LYD_ANYDATA_VALUETYPE value_type, uint32_t options, struct lyd_node **new_parent, struct lyd_node **new_node)
Create a new node in the data tree based on a path. All node types can be created.
struct lyd_value value
Definition: tree_data.h:856
LIBYANG_API_DECL int ly_time_tz_offset(void)
Get current timezone UTC (GMT) time offset in seconds.
LIBYANG_API_DECL LY_ERR lyd_find_path(const struct lyd_node *ctx_node, const char *path, ly_bool output, struct lyd_node **match)
Search in given data for a node uniquely identified by a path.
LIBYANG_API_DECL LY_ERR lyd_new_list_canon(struct lyd_node *parent, const struct lys_module *module, const char *name, ly_bool output, struct lyd_node **node,...)
Create a new list node in the data tree.
const struct lysc_type * realtype
Definition: tree_data.h:564
LIBYANG_API_DECL LY_ERR lyd_change_meta(struct lyd_meta *meta, const char *val_str)
Change the value of a metadata instance.
char * mem
Definition: tree_data.h:867
LIBYANG_API_DECL struct lyd_node * lyd_first_sibling(const struct lyd_node *node)
Get the first sibling of the given node.
struct lyd_node * tree
Definition: tree_data.h:863
LIBYANG_API_DECL LY_ERR ly_time_str2ts(const char *value, struct timespec *ts)
Convert date-and-time from string to timespec.
uint32_t hints
Definition: tree_data.h:737
LIBYANG_API_DECL LY_ERR lyd_new_opaq(struct lyd_node *parent, const struct ly_ctx *ctx, const char *name, const char *value, const char *prefix, const char *module_name, struct lyd_node **node)
Create a new JSON opaque node in the data tree. To create an XML opaque node, use lyd_new_opaq2().
LIBYANG_API_DECL LY_ERR lyd_change_term(struct lyd_node *term, const char *val_str)
Change the value of a term (leaf or leaf-list) node to a string value.
LYD_ANYDATA_VALUETYPE value_type
Definition: tree_data.h:898
LIBYANG_API_DECL LY_ERR lyd_new_attr(struct lyd_node *parent, const char *module_name, const char *name, const char *value, struct lyd_attr **attr)
Create new JSON attribute for an opaque data node. To create an XML attribute, use lyd_new_attr2().
LIBYANG_API_DECL LY_ERR lyd_insert_child(struct lyd_node *parent, struct lyd_node *node)
Insert a child into a parent.
LIBYANG_API_DECL LY_ERR lyd_new_meta(const struct ly_ctx *ctx, struct lyd_node *parent, const struct lys_module *module, const char *name, const char *val_str, ly_bool clear_dflt, struct lyd_meta **meta)
Create new metadata.
struct lyd_attr * attr
Definition: tree_data.h:996
LIBYANG_API_DECL LY_ERR lyd_new_implicit_all(struct lyd_node **tree, const struct ly_ctx *ctx, uint32_t implicit_options, struct lyd_node **diff)
Add any missing implicit nodes. Default nodes with a false "when" are not added.
LIBYANG_API_DECL const struct lys_module * lyd_owner_module(const struct lyd_node *node)
Get the owner module of the data node. It is the module of the top-level schema node....
LY_ERR(* lyd_diff_cb)(const struct lyd_node *diff_node, struct lyd_node *data_node, void *cb_data)
Callback for diff nodes.
Definition: tree_data.h:2169
LIBYANG_API_DECL LY_ERR lyd_dup_siblings_to_ctx(const struct lyd_node *node, const struct ly_ctx *trg_ctx, struct lyd_node_inner *parent, uint32_t options, struct lyd_node **dup)
Create a copy of the specified data tree node with any following siblings. Schema references are assi...
struct lyd_node * child
Definition: tree_data.h:988
LIBYANG_API_DECL LY_ERR lyd_compare_meta(const struct lyd_meta *meta1, const struct lyd_meta *meta2)
Compare 2 metadata.
const char * json
Definition: tree_data.h:866
LIBYANG_API_DECL void lyd_free_tree(struct lyd_node *node)
Free (and unlink) the specified data (sub)tree.
LIBYANG_API_DECL LY_ERR lyd_diff_tree(const struct lyd_node *first, const struct lyd_node *second, uint16_t options, struct lyd_node **diff)
Learn the differences between 2 data trees.
LIBYANG_API_DECL LY_ERR lyd_new_implicit_tree(struct lyd_node *tree, uint32_t implicit_options, struct lyd_node **diff)
Add any missing implicit nodes into a data subtree. Default nodes with a false "when" are not added.
LIBYANG_API_DECL LY_ERR lyd_find_sibling_first(const struct lyd_node *siblings, const struct lyd_node *target, struct lyd_node **match)
Search in the given siblings (NOT recursively) for the first target instance with the same value....
LIBYANG_API_DECL LY_ERR lyd_eval_xpath4(const struct lyd_node *ctx_node, const struct lyd_node *tree, const struct lys_module *cur_mod, const char *xpath, LY_VALUE_FORMAT format, void *prefix_data, const struct lyxp_var *vars, LY_XPATH_TYPE *ret_type, struct ly_set **node_set, char **string, long double *number, ly_bool *boolean)
Evaluate an XPath on data and return the result or convert it first to an expected result type.
LIBYANG_API_DECL LY_ERR lyd_dup_single_to_ctx(const struct lyd_node *node, const struct ly_ctx *trg_ctx, struct lyd_node_inner *parent, uint32_t options, struct lyd_node **dup)
Create a copy of the specified data tree node. Schema references are assigned from trg_ctx.
struct lysc_type_bitenum_item ** items
Definition: tree_data.h:635
LIBYANG_API_DECL LY_ERR lyd_new_ext_any(const struct lysc_ext_instance *ext, const char *name, const void *value, ly_bool use_value, LYD_ANYDATA_VALUETYPE value_type, struct lyd_node **node)
Create a new top-level any node defined in the given extension instance.
LIBYANG_API_DECL LY_ERR lyd_new_list2(struct lyd_node *parent, const struct lys_module *module, const char *name, const char *keys, ly_bool output, struct lyd_node **node)
Create a new list node in the data tree.
const struct ly_ctx * ctx
Definition: tree_data.h:997
LIBYANG_API_DECL LY_ERR lyd_new_term_canon(struct lyd_node *parent, const struct lys_module *module, const char *name, const char *val_str, ly_bool output, struct lyd_node **node)
Create a new term node in the data tree.
LIBYANG_API_DECL const struct lyd_node_term * lyd_target(const struct ly_path *path, const struct lyd_node *tree)
Deprecated, use lyd_find_target() instead.
LIBYANG_API_DECL LY_ERR lyd_dup_siblings(const struct lyd_node *node, struct lyd_node_inner *parent, uint32_t options, struct lyd_node **dup)
Create a copy of the specified data tree node with any following siblings. Schema references are kept...
LIBYANG_API_DECL LY_ERR lyd_find_sibling_dup_inst_set(const struct lyd_node *siblings, const struct lyd_node *target, struct ly_set **set)
Search the given siblings for all the exact same instances of a specific node instance....
void * original
Definition: tree_data.h:618
LIBYANG_API_DECL LY_ERR lyd_eval_xpath(const struct lyd_node *ctx_node, const char *xpath, ly_bool *result)
Evaluate an XPath on data and return the result converted to boolean.
LY_ERR(* lyd_merge_cb)(struct lyd_node *trg_node, const struct lyd_node *src_node, void *cb_data)
Callback for matching merge nodes.
Definition: tree_data.h:2081
struct lyd_meta * meta
Definition: tree_data.h:794
LIBYANG_API_DECL char * lyd_path(const struct lyd_node *node, LYD_PATH_TYPE pathtype, char *buffer, size_t buflen)
Generate path of the given node in the requested format.
LIBYANG_API_DECL LY_ERR lyd_diff_merge_module(struct lyd_node **diff, const struct lyd_node *src_diff, const struct lys_module *mod, lyd_diff_cb diff_cb, void *cb_data, uint16_t options)
Merge 2 diffs into each other but restrict the operation to one module.
uint32_t flags
Definition: tree_data.h:786
LIBYANG_API_DECL int lyd_lyb_data_length(const char *data)
Learn the length of LYB data.
LIBYANG_API_DECL struct lyd_meta * lyd_find_meta(const struct lyd_meta *first, const struct lys_module *module, const char *name)
Find a specific metadata.
LY_XPATH_TYPE
XPath result type.
Definition: tree_data.h:2541
@ LY_XPATH_NODE_SET
Definition: tree_data.h:2542
@ LY_XPATH_NUMBER
Definition: tree_data.h:2544
@ LY_XPATH_STRING
Definition: tree_data.h:2543
@ LY_XPATH_BOOLEAN
Definition: tree_data.h:2545
const struct lysc_node * schema
Definition: tree_data.h:787
struct in6_addr addr
Definition: tree_data.h:681
LIBYANG_API_DECL LY_ERR lyd_new_ext_inner(const struct lysc_ext_instance *ext, const char *name, struct lyd_node **node)
Create a new top-level inner node defined in the given extension instance.
LIBYANG_API_DECL void lyd_free_siblings(struct lyd_node *node)
Free all the sibling nodes (preceding as well as succeeding).
struct lyxp_expr * exp
Definition: tree_data.h:706
LIBYANG_API_DECL LY_ERR lyd_diff_merge_all(struct lyd_node **diff, const struct lyd_node *src_diff, uint16_t options)
Merge 2 diffs into each other.
const char * value
Definition: tree_data.h:991
LIBYANG_API_DECL LY_ERR lyxp_vars_set(struct lyxp_var **vars, const char *name, const char *value)
Set a new XPath variable to vars.
LIBYANG_API_DECL LY_ERR lyd_new_ext_list(const struct lysc_ext_instance *ext, const char *name, struct lyd_node **node,...)
Create a new top-level list node defined in the given extension instance.
LIBYANG_API_DECL LY_ERR lyd_insert_before(struct lyd_node *sibling, struct lyd_node *node)
Insert a node before another node, can be used only for user-ordered nodes. If inserting several sibl...
LIBYANG_API_DECL LY_ERR lyd_new_list(struct lyd_node *parent, const struct lys_module *module, const char *name, ly_bool output, struct lyd_node **node,...)
Create a new list node in the data tree.
LIBYANG_API_DECL LY_ERR lyd_diff_siblings(const struct lyd_node *first, const struct lyd_node *second, uint16_t options, struct lyd_node **diff)
Learn the differences between 2 data trees including all the following siblings.
LIBYANG_API_DECL LY_ERR lyd_find_xpath4(const struct lyd_node *ctx_node, const struct lyd_node *tree, const char *xpath, LY_VALUE_FORMAT format, void *prefix_data, const struct lyxp_var *vars, struct ly_set **set)
Search in the given data for instances of nodes matching the provided XPath.
const char * name
Definition: tree_data.h:720
void * prefix_data
Definition: tree_data.h:624
LIBYANG_API_DECL LY_ERR lyd_compare_siblings(const struct lyd_node *node1, const struct lyd_node *node2, uint32_t options)
Compare 2 lists of siblings if they are equivalent.
const char * zone
Definition: tree_data.h:682
LIBYANG_API_DECL LY_ERR ly_time_time2str(time_t time, const char *fractions_s, char **str)
Convert UNIX timestamp and fractions of a second into canonical date-and-time string value.
LIBYANG_API_DECL LY_ERR lyd_value_compare(const struct lyd_node_term *node, const char *value, size_t value_len)
Compare the node's value with the given string value. The string value is first validated according t...
#define LYD_NODE_TERM
Definition: tree_data.h:743
LIBYANG_API_DECL LY_ERR lyd_find_sibling_val(const struct lyd_node *siblings, const struct lysc_node *schema, const char *key_or_value, size_t val_len, struct lyd_node **match)
Search in the given siblings for the first schema instance. Uses hashes - should be used whenever pos...
uint32_t hints
Definition: tree_data.h:992
LIBYANG_API_DECL LY_ERR lyd_new_ext_path(struct lyd_node *parent, const struct lysc_ext_instance *ext, const char *path, const void *value, uint32_t options, struct lyd_node **node)
Create a new node defined in the given extension instance. In case of anyxml/anydata nodes,...
LIBYANG_API_DECL LY_ERR lyd_any_copy_value(struct lyd_node *trg, const union lyd_any_value *value, LYD_ANYDATA_VALUETYPE value_type)
Copy anydata value from one node to another. Target value is freed first.
LIBYANG_API_DECL uint32_t lyd_list_pos(const struct lyd_node *instance)
Learn the relative position of a list or leaf-list instance within other instances of the same schema...
struct hash_table * children_ht
Definition: tree_data.h:825
LIBYANG_API_DECL LY_ERR lyd_insert_after(struct lyd_node *sibling, struct lyd_node *node)
Insert a node after another node, can be used only for user-ordered nodes. If inserting several sibli...
LIBYANG_API_DECL LY_ERR lyd_diff_reverse_all(const struct lyd_node *src_diff, struct lyd_node **diff)
Reverse a diff and make the opposite changes. Meaning change create to delete, delete to create,...
struct ly_opaq_name name
Definition: tree_data.h:735
LIBYANG_API_DECL LY_ERR lyd_new_term(struct lyd_node *parent, const struct lys_module *module, const char *name, const char *val_str, ly_bool output, struct lyd_node **node)
Create a new term node in the data tree.
const char * zone
Definition: tree_data.h:659
LIBYANG_API_DECL LY_ERR lyd_compare_single(const struct lyd_node *node1, const struct lyd_node *node2, uint32_t options)
Compare 2 data nodes if they are equivalent.
LIBYANG_API_DECL LY_ERR lyd_merge_tree(struct lyd_node **target, const struct lyd_node *source, uint16_t options)
Merge the source data subtree into the target data tree. Merge may not be complete until validation i...
LIBYANG_API_DECL LY_ERR lyd_dup_single(const struct lyd_node *node, struct lyd_node_inner *parent, uint32_t options, struct lyd_node **dup)
Create a copy of the specified data tree node. Schema references are kept the same.
LIBYANG_API_DECL LY_ERR lyd_new_attr2(struct lyd_node *parent, const char *module_ns, const char *name, const char *value, struct lyd_attr **attr)
Create new XML attribute for an opaque data node. To create a JSON attribute, use lyd_new_attr().
uint32_t hash
Definition: tree_data.h:782
void * val_prefix_data
Definition: tree_data.h:739
struct in_addr addr
Definition: tree_data.h:666
LIBYANG_API_DECL LY_ERR lyd_new_any(struct lyd_node *parent, const struct lys_module *module, const char *name, const void *value, ly_bool use_value, LYD_ANYDATA_VALUETYPE value_type, ly_bool output, struct lyd_node **node)
Create a new any node in the data tree.
LIBYANG_API_DECL LY_ERR lyd_change_term_bin(struct lyd_node *term, const void *value, size_t value_len)
Change the value of a term (leaf or leaf-list) node to a binary value.
struct lyd_node * prev
Definition: tree_data.h:790
LIBYANG_API_DECL struct lyd_node * lyd_child_no_keys(const struct lyd_node *node)
Get the child pointer of a generic data node but skip its keys in case it is LYS_LIST.
LIBYANG_API_DECL LY_ERR lyd_find_xpath2(const struct lyd_node *ctx_node, const char *xpath, const struct lyxp_var *vars, struct ly_set **set)
Search in the given data for instances of nodes matching the provided XPath.
LIBYANG_API_DECL LY_ERR lyd_new_list_bin(struct lyd_node *parent, const struct lys_module *module, const char *name, ly_bool output, struct lyd_node **node,...)
Create a new list node in the data tree.
struct lyd_node * child
Definition: tree_data.h:824
const char * xml
Definition: tree_data.h:865
LIBYANG_API_DECL void lyd_free_attr_siblings(const struct ly_ctx *ctx, struct lyd_attr *attr)
Free the attribute with any following attributes.
LIBYANG_API_DECL LY_ERR lyd_parse_opaq_error(const struct lyd_node *node)
Check node parsed into an opaque node for the reason (error) why it could not be parsed as data node.
LY_VALUE_FORMAT format
Definition: tree_data.h:709
void * priv
Definition: tree_data.h:795
LIBYANG_API_DECL ly_bool lyd_is_default(const struct lyd_node *node)
Check whether a node value equals to its default one.
LIBYANG_API_DECL LY_ERR lyd_diff_merge_tree(struct lyd_node **diff_first, struct lyd_node *diff_parent, const struct lyd_node *src_sibling, lyd_diff_cb diff_cb, void *cb_data, uint16_t options)
Merge 2 diff trees into each other.
LIBYANG_API_DECL LY_ERR lyd_value_validate(const struct ly_ctx *ctx, const struct lysc_node *schema, const char *value, size_t value_len, const struct lyd_node *ctx_node, const struct lysc_type **realtype, const char **canonical)
Check type restrictions applicable to the particular leaf/leaf-list with the given string value.
LIBYANG_API_DECL LY_ERR lyd_new_ext_term(const struct lysc_ext_instance *ext, const char *name, const char *val_str, struct lyd_node **node)
Create a new top-level term node defined in the given extension instance.
LIBYANG_API_DECL LY_ERR lyd_new_term_bin(struct lyd_node *parent, const struct lys_module *module, const char *name, const void *value, size_t value_len, ly_bool output, struct lyd_node **node)
Create a new term node in the data tree.
LIBYANG_API_DECL LY_ERR lyd_new_inner(struct lyd_node *parent, const struct lys_module *module, const char *name, ly_bool output, struct lyd_node **node)
Create a new inner node in the data tree.
char * bitmap
Definition: tree_data.h:632
LY_VALUE_FORMAT format
Definition: tree_data.h:993
LIBYANG_API_DECL void lyd_free_attr_single(const struct ly_ctx *ctx, struct lyd_attr *attr)
Free a single attribute.
LIBYANG_API_DECL LY_ERR lyd_diff_apply_module(struct lyd_node **data, const struct lyd_node *diff, const struct lys_module *mod, lyd_diff_cb diff_cb, void *cb_data)
Apply the whole diff on a data tree but restrict the operation to one module.
const char * value
Definition: tree_data.h:736
LIBYANG_API_DECL const char * lyd_value_get_canonical(const struct ly_ctx *ctx, const struct lyd_value *value)
Get the (canonical) value of a lyd_value.
LIBYANG_API_DECL LY_ERR lyd_dup_meta_single(const struct lyd_meta *meta, struct lyd_node *parent, struct lyd_meta **dup)
Create a copy of the metadata.
const struct ly_ctx * ctx
Definition: tree_data.h:707
union lyd_any_value value
Definition: tree_data.h:897
struct lyd_attr * next
Definition: tree_data.h:734
LIBYANG_API_DECL LY_ERR lyd_diff_apply_all(struct lyd_node **data, const struct lyd_node *diff)
Apply the whole diff tree on a data tree.
LIBYANG_API_DECL LY_ERR lyd_new_meta2(const struct ly_ctx *ctx, struct lyd_node *parent, ly_bool clear_dflt, const struct lyd_attr *attr, struct lyd_meta **meta)
Create new metadata from an opaque node attribute if possible.
uint32_t hints
Definition: tree_data.h:620
LIBYANG_API_DECL LY_ERR lyd_eval_xpath2(const struct lyd_node *ctx_node, const char *xpath, const struct lyxp_var *vars, ly_bool *result)
Evaluate an XPath on data and return the result converted to boolean.
struct in6_addr addr
Definition: tree_data.h:689
size_t orig_len
Definition: tree_data.h:619
LIBYANG_API_DECL LY_ERR lyd_find_xpath3(const struct lyd_node *ctx_node, const struct lyd_node *tree, const char *xpath, const struct lyxp_var *vars, struct ly_set **set)
Search in the given data for instances of nodes matching the provided XPath.
struct lyd_value value
Definition: tree_data.h:616
const char * _canonical
Definition: tree_data.h:561
struct lyd_node_opaq * parent
Definition: tree_data.h:733
void * prefix_data
Definition: tree_data.h:708
LY_VALUE_FORMAT format
Definition: tree_data.h:621
LIBYANG_API_DECL LY_ERR lyd_merge_module(struct lyd_node **target, const struct lyd_node *source, const struct lys_module *mod, lyd_merge_cb merge_cb, void *cb_data, uint16_t options)
Merge all the nodes of a module from source data tree into the target data tree. Merge may not be com...
struct lyd_node_inner * parent
Definition: tree_data.h:788
struct ly_opaq_name name
Definition: tree_data.h:990
LIBYANG_API_DECL void lyd_unlink_tree(struct lyd_node *node)
Unlink the specified data subtree.
LIBYANG_API_DECL void lyd_free_meta_single(struct lyd_meta *meta)
Free a single metadata instance.
LIBYANG_API_DECL LY_ERR lyd_change_term_canon(struct lyd_node *term, const char *val_str)
Change the value of a term (leaf or leaf-list) node to a canonical string value.
LIBYANG_API_DECL LY_ERR lyd_eval_xpath3(const struct lyd_node *ctx_node, const struct lys_module *cur_mod, const char *xpath, LY_VALUE_FORMAT format, void *prefix_data, const struct lyxp_var *vars, ly_bool *result)
Evaluate an XPath on data and return the result converted to boolean.
LIBYANG_API_DECL LY_ERR lyd_insert_sibling(struct lyd_node *sibling, struct lyd_node *node, struct lyd_node **first)
Insert a node into siblings.
const struct lysc_node * ctx_node
Definition: tree_data.h:625
LIBYANG_API_DECL LY_ERR lyd_any_value_str(const struct lyd_node *any, char **value_str)
Get anydata string value.
LIBYANG_API_DECL LY_ERR lyd_new_opaq2(struct lyd_node *parent, const struct ly_ctx *ctx, const char *name, const char *value, const char *prefix, const char *module_ns, struct lyd_node **node)
Create a new XML opaque node in the data tree. To create a JSON opaque node, use lyd_new_opaq().
Generic prefix and namespace mapping, meaning depends on the format.
Definition: tree_data.h:719
Generic attribute structure.
Definition: tree_data.h:732
Generic structure for a data node.
Definition: tree_data.h:781
Data node structure for the anydata data tree nodes - anydata or anyxml.
Definition: tree_data.h:874
Data node structure for the inner data tree nodes - containers, lists, RPCs, actions and Notification...
Definition: tree_data.h:801
Data node structure for unparsed (opaque) nodes.
Definition: tree_data.h:969
Data node structure for the terminal data tree nodes - leaves and leaf-lists.
Definition: tree_data.h:833
YANG data representation.
Definition: tree_data.h:560
Special lyd_value structure for built-in binary values.
Definition: tree_data.h:642
Special lyd_value structure for built-in bits values.
Definition: tree_data.h:631
Special lyd_value structure for ietf-yang-types date-and-time values.
Definition: tree_data.h:696
Special lyd_value structure for ietf-inet-types ipv4-address values.
Definition: tree_data.h:657
Special lyd_value structure for ietf-inet-types ipv4-address-no-zone values.
Definition: tree_data.h:650
Special lyd_value structure for ietf-inet-types ipv4-prefix values.
Definition: tree_data.h:665
Special lyd_value structure for ietf-inet-types ipv6-address values.
Definition: tree_data.h:680
Special lyd_value structure for ietf-inet-types ipv6-address-no-zone values.
Definition: tree_data.h:673
Special lyd_value structure for ietf-inet-types ipv6-prefix values.
Definition: tree_data.h:688
Special lyd_value structure for built-in union values.
Definition: tree_data.h:615
Special lyd_value structure for ietf-yang-types xpath1.0 values.
Definition: tree_data.h:705
union for anydata/anyxml value representation.
Definition: tree_data.h:862
libyang representation of YANG schema trees.