libyang  2.1.30
libyang is YANG data modelling language parser and toolkit written (and providing API) in C.
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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 {
538 } LYD_FORMAT;
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;
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
969 struct lyd_node_opaq {
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;
993  LY_VALUE_FORMAT format;
994  void *val_prefix_data;
996  struct lyd_attr *attr;
997  const struct ly_ctx *ctx;
998 };
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 
1148  return value->_canonical ? value->_canonical : lyd_value_get_canonical(LYD_CTX(node), value);
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
1536 LIBYANG_API_DECL LY_ERR lyd_new_path(struct lyd_node *parent, const struct ly_ctx *ctx, const char *path, const char *value,
1537  uint32_t options, struct lyd_node **node);
1538 
1559 LIBYANG_API_DECL LY_ERR lyd_new_path2(struct lyd_node *parent, const struct ly_ctx *ctx, const char *path, const void *value,
1560  size_t value_len, LYD_ANYDATA_VALUETYPE value_type, uint32_t options, struct lyd_node **new_parent,
1561  struct lyd_node **new_node);
1562 
1581 LIBYANG_API_DECL LY_ERR lyd_new_ext_path(struct lyd_node *parent, const struct lysc_ext_instance *ext, const char *path,
1582  const void *value, uint32_t options, struct lyd_node **node);
1583 
1597 #define LYD_IMPLICIT_NO_STATE 0x01
1598 #define LYD_IMPLICIT_NO_CONFIG 0x02
1599 #define LYD_IMPLICIT_OUTPUT 0x04
1600 #define LYD_IMPLICIT_NO_DEFAULTS 0x08
1613 LIBYANG_API_DECL LY_ERR lyd_new_implicit_tree(struct lyd_node *tree, uint32_t implicit_options, struct lyd_node **diff);
1626 LIBYANG_API_DECL LY_ERR lyd_new_implicit_all(struct lyd_node **tree, const struct ly_ctx *ctx, uint32_t implicit_options,
1627  struct lyd_node **diff);
1628 
1640 LIBYANG_API_DECL LY_ERR lyd_new_implicit_module(struct lyd_node **tree, const struct lys_module *module,
1641  uint32_t implicit_options, struct lyd_node **diff);
1642 
1656 LIBYANG_API_DECL LY_ERR lyd_change_term(struct lyd_node *term, const char *val_str);
1657 
1672 LIBYANG_API_DECL LY_ERR lyd_change_term_bin(struct lyd_node *term, const void *value, size_t value_len);
1673 
1688 LIBYANG_API_DECL LY_ERR lyd_change_term_canon(struct lyd_node *term, const char *val_str);
1689 
1699 LIBYANG_API_DECL LY_ERR lyd_change_meta(struct lyd_meta *meta, const char *val_str);
1700 
1712 LIBYANG_API_DECL LY_ERR lyd_insert_child(struct lyd_node *parent, struct lyd_node *node);
1713 
1726 LIBYANG_API_DECL LY_ERR lyd_insert_sibling(struct lyd_node *sibling, struct lyd_node *node, struct lyd_node **first);
1727 
1739 LIBYANG_API_DECL LY_ERR lyd_insert_before(struct lyd_node *sibling, struct lyd_node *node);
1740 
1752 LIBYANG_API_DECL LY_ERR lyd_insert_after(struct lyd_node *sibling, struct lyd_node *node);
1753 
1759 LIBYANG_API_DECL void lyd_unlink_siblings(struct lyd_node *node);
1760 
1766 LIBYANG_API_DECL void lyd_unlink_tree(struct lyd_node *node);
1767 
1773 LIBYANG_API_DECL void lyd_free_all(struct lyd_node *node);
1774 
1780 LIBYANG_API_DECL void lyd_free_siblings(struct lyd_node *node);
1781 
1787 LIBYANG_API_DECL void lyd_free_tree(struct lyd_node *node);
1788 
1794 LIBYANG_API_DECL void lyd_free_meta_single(struct lyd_meta *meta);
1795 
1801 LIBYANG_API_DECL void lyd_free_meta_siblings(struct lyd_meta *meta);
1802 
1809 LIBYANG_API_DECL void lyd_free_attr_single(const struct ly_ctx *ctx, struct lyd_attr *attr);
1810 
1817 LIBYANG_API_DECL void lyd_free_attr_siblings(const struct ly_ctx *ctx, struct lyd_attr *attr);
1818 
1837 LIBYANG_API_DECL LY_ERR lyd_value_validate(const struct ly_ctx *ctx, const struct lysc_node *schema, const char *value,
1838  size_t value_len, const struct lyd_node *ctx_node, const struct lysc_type **realtype, const char **canonical);
1839 
1852 LIBYANG_API_DECL LY_ERR lyd_value_compare(const struct lyd_node_term *node, const char *value, size_t value_len);
1853 
1860 #define LYD_COMPARE_FULL_RECURSION 0x01 /* Lists and containers are the same only in case all they children
1861  (subtree, so direct as well as indirect children) are the same. By default,
1862  containers are the same in case of the same schema node and lists are the same
1863  in case of equal keys (keyless lists do the full recursion comparison all the time). */
1864 #define LYD_COMPARE_DEFAULTS 0x02 /* By default, implicit and explicit default nodes are considered to be equal. This flag
1865  changes this behavior and implicit (automatically created default node) and explicit
1866  (explicitly created node with the default value) default nodes are considered different. */
1867 #define LYD_COMPARE_OPAQ 0x04 /* Opaque nodes can normally be never equal to data nodes. Using this flag even
1868  opaque nodes members are compared to data node schema and value and can result
1869  in a match. */
1870 
1883 LIBYANG_API_DECL LY_ERR lyd_compare_single(const struct lyd_node *node1, const struct lyd_node *node2, uint32_t options);
1884 
1896 LIBYANG_API_DECL LY_ERR lyd_compare_siblings(const struct lyd_node *node1, const struct lyd_node *node2, uint32_t options);
1897 
1908 LIBYANG_API_DECL LY_ERR lyd_compare_meta(const struct lyd_meta *meta1, const struct lyd_meta *meta2);
1909 
1922 #define LYD_DUP_RECURSIVE 0x01
1924 #define LYD_DUP_NO_META 0x02
1925 #define LYD_DUP_WITH_PARENTS 0x04
1927 #define LYD_DUP_WITH_FLAGS 0x08
1929 #define LYD_DUP_NO_EXT 0x10
1944 LIBYANG_API_DECL LY_ERR lyd_dup_single(const struct lyd_node *node, struct lyd_node_inner *parent, uint32_t options,
1945  struct lyd_node **dup);
1946 
1959 LIBYANG_API_DECL LY_ERR lyd_dup_single_to_ctx(const struct lyd_node *node, const struct ly_ctx *trg_ctx,
1960  struct lyd_node_inner *parent, uint32_t options, struct lyd_node **dup);
1961 
1973 LIBYANG_API_DECL LY_ERR lyd_dup_siblings(const struct lyd_node *node, struct lyd_node_inner *parent, uint32_t options,
1974  struct lyd_node **dup);
1975 
1989 LIBYANG_API_DECL LY_ERR lyd_dup_siblings_to_ctx(const struct lyd_node *node, const struct ly_ctx *trg_ctx,
1990  struct lyd_node_inner *parent, uint32_t options, struct lyd_node **dup);
1991 
2000 LIBYANG_API_DECL LY_ERR lyd_dup_meta_single(const struct lyd_meta *meta, struct lyd_node *parent, struct lyd_meta **dup);
2001 
2016 #define LYD_MERGE_DESTRUCT 0x01
2017 #define LYD_MERGE_DEFAULTS 0x02
2018 #define LYD_MERGE_WITH_FLAGS 0x04
2042 LIBYANG_API_DECL LY_ERR lyd_merge_tree(struct lyd_node **target, const struct lyd_node *source, uint16_t options);
2043 
2065 LIBYANG_API_DECL LY_ERR lyd_merge_siblings(struct lyd_node **target, const struct lyd_node *source, uint16_t options);
2066 
2076 typedef LY_ERR (*lyd_merge_cb)(struct lyd_node *trg_node, const struct lyd_node *src_node, void *cb_data);
2077 
2093 LIBYANG_API_DECL LY_ERR lyd_merge_module(struct lyd_node **target, const struct lyd_node *source, const struct lys_module *mod,
2094  lyd_merge_cb merge_cb, void *cb_data, uint16_t options);
2107 #define LYD_DIFF_DEFAULTS 0x01
2138 LIBYANG_API_DECL LY_ERR lyd_diff_tree(const struct lyd_node *first, const struct lyd_node *second, uint16_t options,
2139  struct lyd_node **diff);
2140 
2153 LIBYANG_API_DECL LY_ERR lyd_diff_siblings(const struct lyd_node *first, const struct lyd_node *second, uint16_t options,
2154  struct lyd_node **diff);
2155 
2164 typedef LY_ERR (*lyd_diff_cb)(const struct lyd_node *diff_node, struct lyd_node *data_node, void *cb_data);
2165 
2182 LIBYANG_API_DECL LY_ERR lyd_diff_apply_module(struct lyd_node **data, const struct lyd_node *diff,
2183  const struct lys_module *mod, lyd_diff_cb diff_cb, void *cb_data);
2184 
2195 LIBYANG_API_DECL LY_ERR lyd_diff_apply_all(struct lyd_node **data, const struct lyd_node *diff);
2196 
2208 #define LYD_DIFF_MERGE_DEFAULTS 0x01
2236 LIBYANG_API_DECL LY_ERR lyd_diff_merge_module(struct lyd_node **diff, const struct lyd_node *src_diff,
2237  const struct lys_module *mod, lyd_diff_cb diff_cb, void *cb_data, uint16_t options);
2238 
2255 LIBYANG_API_DECL LY_ERR lyd_diff_merge_tree(struct lyd_node **diff_first, struct lyd_node *diff_parent,
2256  const struct lyd_node *src_sibling, lyd_diff_cb diff_cb, void *cb_data, uint16_t options);
2257 
2269 LIBYANG_API_DECL LY_ERR lyd_diff_merge_all(struct lyd_node **diff, const struct lyd_node *src_diff, uint16_t options);
2270 
2280 LIBYANG_API_DECL LY_ERR lyd_diff_reverse_all(const struct lyd_node *src_diff, struct lyd_node **diff);
2281 
2290 LIBYANG_API_DECL const struct lyd_node_term *lyd_target(const struct ly_path *path, const struct lyd_node *tree);
2291 
2295 typedef enum {
2296  LYD_PATH_STD,
2300 } LYD_PATH_TYPE;
2301 
2313 LIBYANG_API_DECL char *lyd_path(const struct lyd_node *node, LYD_PATH_TYPE pathtype, char *buffer, size_t buflen);
2314 
2324 LIBYANG_API_DECL struct lyd_meta *lyd_find_meta(const struct lyd_meta *first, const struct lys_module *module,
2325  const char *name);
2326 
2338 LIBYANG_API_DECL LY_ERR lyd_find_sibling_first(const struct lyd_node *siblings, const struct lyd_node *target,
2339  struct lyd_node **match);
2340 
2365 LIBYANG_API_DECL LY_ERR lyd_find_sibling_val(const struct lyd_node *siblings, const struct lysc_node *schema,
2366  const char *key_or_value, size_t val_len, struct lyd_node **match);
2367 
2379 LIBYANG_API_DECL LY_ERR lyd_find_sibling_dup_inst_set(const struct lyd_node *siblings, const struct lyd_node *target,
2380  struct ly_set **set);
2381 
2392 LIBYANG_API_DECL LY_ERR lyd_find_sibling_opaq_next(const struct lyd_node *first, const char *name, struct lyd_node **match);
2393 
2405 LIBYANG_API_DECL LY_ERR lyxp_vars_set(struct lyxp_var **vars, const char *name, const char *value);
2406 
2412 LIBYANG_API_DECL void lyxp_vars_free(struct lyxp_var *vars);
2413 
2429 LIBYANG_API_DECL LY_ERR lyd_find_xpath(const struct lyd_node *ctx_node, const char *xpath, struct ly_set **set);
2430 
2444 LIBYANG_API_DECL LY_ERR lyd_find_xpath2(const struct lyd_node *ctx_node, const char *xpath, const struct lyxp_var *vars,
2445  struct ly_set **set);
2446 
2461 LIBYANG_API_DECL LY_ERR lyd_find_xpath3(const struct lyd_node *ctx_node, const struct lyd_node *tree, const char *xpath,
2462  const struct lyxp_var *vars, struct ly_set **set);
2463 
2480 LIBYANG_API_DECL LY_ERR lyd_find_xpath4(const struct lyd_node *ctx_node, const struct lyd_node *tree, const char *xpath,
2481  LY_VALUE_FORMAT format, void *prefix_data, const struct lyxp_var *vars, struct ly_set **set);
2482 
2494 LIBYANG_API_DECL LY_ERR lyd_eval_xpath(const struct lyd_node *ctx_node, const char *xpath, ly_bool *result);
2495 
2508 LIBYANG_API_DECL LY_ERR lyd_eval_xpath2(const struct lyd_node *ctx_node, const char *xpath,
2509  const struct lyxp_var *vars, ly_bool *result);
2510 
2526 LIBYANG_API_DECL LY_ERR lyd_eval_xpath3(const struct lyd_node *ctx_node, const struct lys_module *cur_mod,
2527  const char *xpath, LY_VALUE_FORMAT format, void *prefix_data, const struct lyxp_var *vars, ly_bool *result);
2528 
2544 LIBYANG_API_DECL LY_ERR lyd_find_path(const struct lyd_node *ctx_node, const char *path, ly_bool output,
2545  struct lyd_node **match);
2546 
2557 LIBYANG_API_DECL LY_ERR lyd_find_target(const struct ly_path *path, const struct lyd_node *tree, struct lyd_node **match);
2558 
2567 LIBYANG_API_DECL LY_ERR ly_time_str2time(const char *value, time_t *time, char **fractions_s);
2568 
2577 LIBYANG_API_DECL LY_ERR ly_time_time2str(time_t time, const char *fractions_s, char **str);
2578 
2586 LIBYANG_API_DECL LY_ERR ly_time_str2ts(const char *value, struct timespec *ts);
2587 
2595 LIBYANG_API_DECL LY_ERR ly_time_ts2str(const struct timespec *ts, char **str);
2596 
2597 #ifdef __cplusplus
2598 }
2599 #endif
2600 
2601 #endif /* LY_TREE_DATA_H_ */
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...
struct in_addr addr
Definition: tree_data.h:666
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...
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.
struct lysc_type * realtype
Definition: tree_data.h:564
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_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.
Compiled YANG data node.
Definition: tree_schema.h:1414
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...
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:2095
LIBYANG_API_DECL LY_ERR ly_time_ts2str(const struct timespec *ts, char **str)
Convert timespec into date-and-time string value.
union for anydata/anyxml value representation.
Definition: tree_data.h:862
#define LYS_CONTAINER
Definition: tree_schema.h:240
Generic prefix and namespace mapping, meaning depends on the format.
Definition: tree_data.h:719
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...
const char * zone
Definition: tree_data.h:682
LIBYANG_API_DECL void lyxp_vars_free(struct lyxp_var *vars)
Free the XPath variables.
const char * str
Definition: tree_data.h:864
const char * prefix
Definition: tree_data.h:721
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.
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.
struct in_addr addr
Definition: tree_data.h:658
Generic structure for a data node.
Definition: tree_data.h:781
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.
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.
YANG extension compiled instance.
Definition: plugins_exts.h:436
LIBYANG_API_DECL LY_ERR lyd_compare_meta(const struct lyd_meta *meta1, const struct lyd_meta *meta2)
Compare 2 metadata.
uint32_t hash
Definition: tree_data.h:782
const char * xml
Definition: tree_data.h:865
const char * zone
Definition: tree_data.h:659
struct lyd_node_opaq * parent
Definition: tree_data.h:733
const char * name
Definition: metadata.h:40
void * priv
Definition: tree_data.h:795
uint8_t ly_bool
Type to indicate boolean value.
Definition: log.h:28
LYD_PATH_TYPE
Types of the different data paths.
Definition: tree_data.h:2316
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 lyxp_vars_set(struct lyxp_var **vars, const char *name, const char *value)
Set a new XPath variable to vars.
void * original
Definition: tree_data.h:618
YANG identity-stmt.
Definition: tree_schema.h:1225
libyang representation of YANG schema trees.
Special lyd_value structure for ietf-inet-types ipv4-address values.
Definition: tree_data.h:657
libyang generic macros and functions to work with YANG schema or data trees.
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.
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 ipv4-address-no-zone values.
Definition: tree_data.h:650
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.
size_t orig_len
Definition: tree_data.h:619
Data node structure for the inner data tree nodes - containers, lists, RPCs, actions and Notification...
Definition: tree_data.h:801
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.
struct lyd_value value
Definition: metadata.h:41
struct lyd_node * child
Definition: tree_data.h:824
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_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).
struct in6_addr addr
Definition: tree_data.h:689
void * prefix_data
Definition: tree_data.h:708
Special lyd_value structure for ietf-yang-types date-and-time values.
Definition: tree_data.h:696
uint16_t nodetype
Definition: tree_schema.h:1415
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.
struct lyd_meta * meta
Definition: tree_data.h:794
Data node structure for the terminal data tree nodes - leaves and leaf-lists.
Definition: tree_data.h:833
struct lyd_node_inner * parent
Definition: tree_data.h:788
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...
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_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_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_diff_merge_all(struct lyd_node **diff, const struct lyd_node *src_diff, uint16_t options)
Merge 2 diffs into each other.
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.
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 lysc_node * schema
Definition: tree_data.h:787
LIBYANG_API_DECL 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. Generally, in case of augments it is the target module, recursively, otherwise it is the module where the data node is defined.
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.
struct lysc_node * ctx_node
Definition: tree_data.h:625
LIBYANG_API_DECL LY_ERR ly_time_str2ts(const char *value, struct timespec *ts)
Convert date-and-time from string to timespec.
struct ly_opaq_name name
Definition: tree_data.h:735
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().
uint32_t hints
Definition: tree_data.h:737
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.
struct lysc_type_bitenum_item ** items
Definition: tree_data.h:635
Special lyd_value structure for ietf-inet-types ipv6-address values.
Definition: tree_data.h:680
LYD_FORMAT
Data input/output formats supported by libyang parser and printer functions.
Definition: tree_data.h:533
YANG data representation.
Definition: tree_data.h:560
const char * _canonical
Definition: tree_data.h:561
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_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 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.
Metadata structure.
Definition: metadata.h:36
struct ly_ctx * ctx
Definition: tree_data.h:707
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 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.
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_compare_siblings(const struct lyd_node *node1, const struct lyd_node *node2, uint32_t options)
Compare 2 lists of siblings if they are equivalent.
LIBYANG_API_DECL LY_ERR lyd_change_meta(struct lyd_meta *meta, const char *val_str)
Change the value of a metadata instance.
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.
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...
LIBYANG_API_DECL void lyd_free_tree(struct lyd_node *node)
Free (and unlink) the specified data (sub)tree.
const char * name
Definition: tree_data.h:720
LIBYANG_API_DECL struct lyd_node * lyd_first_sibling(const struct lyd_node *node)
Get the first sibling of the given node.
uint32_t hints
Definition: tree_data.h:620
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.
#define LYS_ACTION
Definition: tree_schema.h:250
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_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_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.
Special lyd_value structure for ietf-inet-types ipv4-prefix values.
Definition: tree_data.h:665
LIBYANG_API_DECL int lyd_lyb_data_length(const char *data)
Learn the length of LYB data.
void * val_prefix_data
Definition: tree_data.h:739
LIBYANG_API_DECL struct lyd_node_term * lyd_target(const struct ly_path *path, const struct lyd_node *tree)
Deprecated, use lyd_find_target() instead.
uint32_t flags
Definition: tree_data.h:786
Structure to hold a set of (not necessary somehow connected) objects. Usually used for lyd_node...
Definition: set.h:46
void * prefix_data
Definition: tree_data.h:624
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.
LIBYANG_API_DECL void lyd_free_meta_single(struct lyd_meta *meta)
Free a single metadata instance.
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()...
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()...
Available YANG schema tree structures representing YANG module.
Definition: tree_schema.h:2097
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.
struct in6_addr addr
Definition: tree_data.h:681
char * mem
Definition: tree_data.h:867
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:2185
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 struct lyd_meta * lyd_find_meta(const struct lyd_meta *first, const struct lys_module *module, const char *name)
Find a specific metadata.
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_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.
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 void lyd_free_attr_siblings(const struct ly_ctx *ctx, struct lyd_attr *attr)
Free the attribute with any following attributes.
const char * json
Definition: tree_data.h:866
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_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...
const char * value
Definition: tree_data.h:736
Special lyd_value structure for ietf-inet-types ipv6-prefix values.
Definition: tree_data.h:688
Generic attribute structure.
Definition: tree_data.h:732
Special lyd_value structure for ietf-yang-types xpath1.0 values.
Definition: tree_data.h:705
#define LYD_CTX(node)
Macro to get context from a data tree node.
Definition: tree_data.h:527
struct lyd_attr * next
Definition: tree_data.h:734
LIBYANG_API_DECL void lyd_free_siblings(struct lyd_node *node)
Free all the sibling nodes (preceding as well as succeeding).
LY_VALUE_FORMAT format
Definition: tree_data.h:709
LY_VALUE_FORMAT format
Definition: tree_data.h:738
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.
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 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. Uses hashes to whatever extent possible.
LY_VALUE_FORMAT
All kinds of supported value formats and prefix mappings to modules.
Definition: tree.h:234
#define LYS_NOTIF
Definition: tree_schema.h:251
LIBYANG_API_DECL LY_ERR lyd_value_compare(const struct lyd_node_term *node, const char *value, size_t value_len)
Compare the node&#39;s value with the given string value. The string value is first validated according t...
#define LYD_NODE_TERM
Definition: tree_data.h:743
#define LYS_RPC
Definition: tree_schema.h:249
char * bitmap
Definition: tree_data.h:632
struct lyd_value value
Definition: tree_data.h:856
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...
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_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.
LYD_ANYDATA_VALUETYPE value_type
Definition: tree_data.h:898
LYD_ANYDATA_VALUETYPE
List of possible value types stored in lyd_node_any.
Definition: tree_data.h:543
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_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 void lyd_unlink_siblings(struct lyd_node *node)
Unlink the specified node with all the following siblings.
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 &quot;when&quot; are not added...
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...
Data node structure for unparsed (opaque) nodes.
Definition: tree_data.h:975
LY_ERR
libyang&#39;s error codes returned by the libyang functions.
Definition: log.h:254
struct lyxp_expr * exp
Definition: tree_data.h:706
LIBYANG_API_DECL void lyd_free_attr_single(const struct ly_ctx *ctx, struct lyd_attr *attr)
Free a single attribute.
Data node structure for the anydata data tree nodes - anydata or anyxml.
Definition: tree_data.h:874
Logger manipulation routines and error definitions.
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_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.
Special lyd_value structure for built-in bits values.
Definition: tree_data.h:631
Special lyd_value structure for built-in union values.
Definition: tree_data.h:615
struct hash_table * children_ht
Definition: tree_data.h:825
struct lyd_node * prev
Definition: tree_data.h:790
LIBYANG_API_DECL void lyd_unlink_tree(struct lyd_node *node)
Unlink the specified data subtree.
LY_VALUE_FORMAT format
Definition: tree_data.h:621
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.
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 &quot;when&quot; are not added.
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.
#define LYS_LIST
Definition: tree_schema.h:244
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 context handler.
struct lyd_node * tree
Definition: tree_data.h:863
Special lyd_value structure for built-in binary values.
Definition: tree_data.h:642
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...
struct lyd_value value
Definition: tree_data.h:616
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.
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...
struct lyd_node * next
Definition: tree_data.h:789