libyang  1.0.184
YANG data modeling language library
tree_data.h
Go to the documentation of this file.
1 
15 #ifndef LY_TREE_DATA_H_
16 #define LY_TREE_DATA_H_
17 
18 #include <stddef.h>
19 #include <stdint.h>
20 
21 #include "libyang.h"
22 #include "tree_schema.h"
23 #include "xml.h"
24 
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28 
40 typedef enum {
45 } LYD_FORMAT;
46 
50 typedef enum {
54  LYD_ANYDATA_STRING = 0x01,
59  LYD_ANYDATA_JSON = 0x02,
63  LYD_ANYDATA_JSOND = 0x03,
67  LYD_ANYDATA_SXML = 0x04,
70  LYD_ANYDATA_SXMLD = 0x05,
74  LYD_ANYDATA_XML = 0x08,
78  LYD_ANYDATA_DATATREE = 0x10,
82  LYD_ANYDATA_LYB = 0x20,
85  LYD_ANYDATA_LYBD = 0x21,
90 
94 typedef union lyd_value_u {
95  const char *binary;
96  struct lys_type_bit **bit;
98  int8_t bln;
99  int64_t dec64;
100  struct lys_type_enum *enm;
101  struct lys_ident *ident;
102  struct lyd_node *instance;
105  int8_t int8;
106  int16_t int16;
107  int32_t int32;
108  int64_t int64;
109  struct lyd_node *leafref;
110  const char *string;
111  uint8_t uint8;
112  uint16_t uint16;
113  uint32_t uint32;
114  uint64_t uint64;
115  void *ptr;
117 
128 struct lyd_attr {
129  struct lyd_node *parent;
130  struct lyd_attr *next;
132  const char *name;
133  const char *value_str;
136  uint8_t value_flags;
137 };
138 
147 #define LYD_VAL_OK 0x00
148 #define LYD_VAL_DUP 0x01
150 #define LYD_VAL_UNIQUE 0x02
151 #define LYD_VAL_MAND 0x04
157 #define LYD_VAL_INUSE 0x80
176 struct lyd_node {
177  struct lys_node *schema;
178  uint8_t validity;
179  uint8_t dflt:1;
180  uint8_t when_status:3;
183  struct lyd_attr *attr;
184  struct lyd_node *next;
185  struct lyd_node *prev;
189  struct lyd_node *parent;
191 #ifdef LY_ENABLED_LYD_PRIV
192  void *priv;
193 #endif
194 
195 #ifdef LY_ENABLED_CACHE
196  uint32_t hash;
197  struct hash_table *ht;
198 #endif
199 
200  struct lyd_node *child;
205 };
206 
218  struct lys_node *schema;
220  uint8_t validity;
221  uint8_t dflt:1;
222  uint8_t when_status:3;
225  struct lyd_attr *attr;
226  struct lyd_node *next;
227  struct lyd_node *prev;
231  struct lyd_node *parent;
233 #ifdef LY_ENABLED_LYD_PRIV
234  void *priv;
235 #endif
236 
237 #ifdef LY_ENABLED_CACHE
238  uint32_t hash;
239 #endif
240 
241  /* struct lyd_node *child; should be here, but is not */
242 
243  /* leaflist's specific members */
244  const char *value_str;
247  uint8_t value_flags;
248 };
249 
253 #define LY_VALUE_UNRES 0x01
256 #define LY_VALUE_USER 0x02
257 /* 0x80 is reserved for internal use */
258 
262 typedef union {
263  const char *str;
264  char *mem;
265  struct lyxml_elem *xml;
266  struct lyd_node *tree;
269 
279  struct lys_node *schema;
281  uint8_t validity;
282  uint8_t dflt:1;
283  uint8_t when_status:3;
286  struct lyd_attr *attr;
287  struct lyd_node *next;
288  struct lyd_node *prev;
292  struct lyd_node *parent;
294 #ifdef LY_ENABLED_LYD_PRIV
295  void *priv;
296 #endif
297 
298 #ifdef LY_ENABLED_CACHE
299  uint32_t hash;
300 #endif
301 
302  /* struct lyd_node *child; should be here, but is not */
303 
304  /* anyxml's specific members */
307 };
308 
312 typedef enum {
351 
355 struct lyd_difflist {
357  struct lyd_node **first;
359  struct lyd_node **second;
361 };
362 
368 void lyd_free_diff(struct lyd_difflist *diff);
369 
415 struct lyd_difflist *lyd_diff(struct lyd_node *first, struct lyd_node *second, int options);
416 
423 /* LYD_DIFFOPT_NOSIBLINGS value is the same as LYD_OPT_NOSIBLINGS due to backward compatibility. The LYD_OPT_NOSIBLINGS
424  * was used previously as an option for lyd_diff(). */
425 #define LYD_DIFFOPT_NOSIBLINGS 0x0800
427 #define LYD_DIFFOPT_WITHDEFAULTS 0x0001
445 char *lyd_path(const struct lyd_node *node);
446 
478 #define LYD_OPT_DATA 0x00
481 #define LYD_OPT_CONFIG 0x01
484 #define LYD_OPT_GET 0x02
490 #define LYD_OPT_GETCONFIG 0x04
497 #define LYD_OPT_EDIT 0x08
503 #define LYD_OPT_RPC 0x10
506 #define LYD_OPT_RPCREPLY 0x20
507 #define LYD_OPT_NOTIF 0x40
510 #define LYD_OPT_NOTIF_FILTER 0x80
513 #define LYD_OPT_TYPEMASK 0x10000ff
516 /* 0x100 reserved, used internally */
517 #define LYD_OPT_STRICT 0x0200
518 #define LYD_OPT_DESTRUCT 0x0400
521 #define LYD_OPT_OBSOLETE 0x0800
522 #define LYD_OPT_NOSIBLINGS 0x1000
524 #define LYD_OPT_TRUSTED 0x2000
528 #define LYD_OPT_WHENAUTODEL 0x4000
531 #define LYD_OPT_NOEXTDEPS 0x8000
533 #define LYD_OPT_DATA_NO_YANGLIB 0x10000
534 #define LYD_OPT_DATA_ADD_YANGLIB 0x20000
537 #define LYD_OPT_VAL_DIFF 0x40000
539 #define LYD_OPT_LYB_MOD_UPDATE 0x80000
540 #define LYD_OPT_DATA_TEMPLATE 0x1000000
580 struct lyd_node *lyd_parse_mem(struct ly_ctx *ctx, const char *data, LYD_FORMAT format, int options, ...);
581 
620 struct lyd_node *lyd_parse_fd(struct ly_ctx *ctx, int fd, LYD_FORMAT format, int options, ...);
621 
658 struct lyd_node *lyd_parse_path(struct ly_ctx *ctx, const char *path, LYD_FORMAT format, int options, ...);
659 
706 struct lyd_node *lyd_parse_xml(struct ly_ctx *ctx, struct lyxml_elem **root, int options,...);
707 
719 struct lyd_node *lyd_new(struct lyd_node *parent, const struct lys_module *module, const char *name);
720 
734 struct lyd_node *lyd_new_leaf(struct lyd_node *parent, const struct lys_module *module, const char *name,
735  const char *val_str);
736 
752 int lyd_change_leaf(struct lyd_node_leaf_list *leaf, const char *val_str);
753 
770 struct lyd_node *lyd_new_anydata(struct lyd_node *parent, const struct lys_module *module, const char *name,
771  void *value, LYD_ANYDATA_VALUETYPE value_type);
772 
784 struct lyd_node *lyd_new_output(struct lyd_node *parent, const struct lys_module *module, const char *name);
785 
799 struct lyd_node *lyd_new_output_leaf(struct lyd_node *parent, const struct lys_module *module, const char *name,
800  const char *val_str);
801 
819 struct lyd_node *lyd_new_output_anydata(struct lyd_node *parent, const struct lys_module *module, const char *name,
820  void *value, LYD_ANYDATA_VALUETYPE value_type);
821 
832 struct lyd_node *lyd_new_yangdata(const struct lys_module *module, const char *name_template, const char *name);
833 
847 #define LYD_PATH_OPT_UPDATE 0x01
850 #define LYD_PATH_OPT_NOPARENT 0x02
852 #define LYD_PATH_OPT_OUTPUT 0x04
853 #define LYD_PATH_OPT_DFLT 0x08
858 #define LYD_PATH_OPT_NOPARENTRET 0x10
860 #define LYD_PATH_OPT_EDIT 0x20
893 struct lyd_node *lyd_new_path(struct lyd_node *data_tree, const struct ly_ctx *ctx, const char *path, void *value,
894  LYD_ANYDATA_VALUETYPE value_type, int options);
895 
903 unsigned int lyd_list_pos(const struct lyd_node *node);
904 
917 #define LYD_DUP_OPT_RECURSIVE 0x01
918 #define LYD_DUP_OPT_NO_ATTR 0x02
919 #define LYD_DUP_OPT_WITH_PARENTS 0x04
921 #define LYD_DUP_OPT_WITH_KEYS 0x08
923 #define LYD_DUP_OPT_WITH_WHEN 0x10
941 struct lyd_node *lyd_dup(const struct lyd_node *node, int options);
942 
953 struct lyd_node *lyd_dup_withsiblings(const struct lyd_node *node, int options);
954 
967 struct lyd_node *lyd_dup_to_ctx(const struct lyd_node *node, int options, struct ly_ctx *ctx);
968 
994 int lyd_merge(struct lyd_node *target, const struct lyd_node *source, int options);
995 
1016 int lyd_merge_to_ctx(struct lyd_node **trg, const struct lyd_node *src, int options, struct ly_ctx *ctx);
1017 
1018 #define LYD_OPT_EXPLICIT 0x0100
1019 
1048 int lyd_insert(struct lyd_node *parent, struct lyd_node *node);
1049 
1079 int lyd_insert_sibling(struct lyd_node **sibling, struct lyd_node *node);
1080 
1098 int lyd_insert_before(struct lyd_node *sibling, struct lyd_node *node);
1099 
1118 int lyd_insert_after(struct lyd_node *sibling, struct lyd_node *node);
1119 
1132 int lyd_schema_sort(struct lyd_node *sibling, int recursive);
1133 
1144 struct ly_set *lyd_find_path(const struct lyd_node *ctx_node, const char *path);
1145 
1156 struct ly_set *lyd_find_instance(const struct lyd_node *data, const struct lys_node *schema);
1157 
1168 int lyd_find_sibling(const struct lyd_node *siblings, const struct lyd_node *target, struct lyd_node **match);
1169 
1181 int lyd_find_sibling_set(const struct lyd_node *siblings, const struct lyd_node *target, struct ly_set **set);
1182 
1206 int lyd_find_sibling_val(const struct lyd_node *siblings, const struct lys_node *schema, const char *key_or_value,
1207  struct lyd_node **match);
1208 
1215 struct lyd_node *lyd_first_sibling(struct lyd_node *node);
1216 
1250 int lyd_validate(struct lyd_node **node, int options, void *var_arg, ...);
1251 
1274 int lyd_validate_modules(struct lyd_node **node, const struct lys_module **modules, int mod_count, int options, ...);
1275 
1281 void lyd_free_val_diff(struct lyd_difflist *diff);
1282 
1297 int lyd_validate_value(struct lys_node *node, const char *value);
1298 
1315 int lyd_value_type(struct lys_node *node, const char *value, struct lys_type **type);
1316 
1325 
1333 int lyd_node_should_print(const struct lyd_node *node, int options);
1334 
1347 int lyd_unlink(struct lyd_node *node);
1348 
1357 void lyd_free(struct lyd_node *node);
1358 
1369 void lyd_free_withsiblings(struct lyd_node *node);
1370 
1387 struct lyd_attr *lyd_insert_attr(struct lyd_node *parent, const struct lys_module *mod, const char *name,
1388  const char *value);
1389 
1402 void lyd_free_attr(struct ly_ctx *ctx, struct lyd_node *parent, struct lyd_attr *attr, int recursive);
1403 
1413 struct lys_module *lyd_node_module(const struct lyd_node *node);
1414 
1424 const struct lys_type *lyd_leaf_type(const struct lyd_node_leaf_list *leaf);
1425 
1436 int lyd_print_mem(char **strp, const struct lyd_node *root, LYD_FORMAT format, int options);
1437 
1448 int lyd_print_fd(int fd, const struct lyd_node *root, LYD_FORMAT format, int options);
1449 
1460 int lyd_print_file(FILE *f, const struct lyd_node *root, LYD_FORMAT format, int options);
1461 
1472 int lyd_print_path(const char *path, const struct lyd_node *root, LYD_FORMAT format, int options);
1473 
1485 int lyd_print_clb(ssize_t (*writeclb)(void *arg, const void *buf, size_t count), void *arg,
1486  const struct lyd_node *root, LYD_FORMAT format, int options);
1487 
1497 double lyd_dec64_to_double(const struct lyd_node *node);
1498 
1505 int lyd_lyb_data_length(const char *data);
1506 
1507 #ifdef LY_ENABLED_LYD_PRIV
1508 
1518 void *lyd_set_private(const struct lyd_node *node, void *priv);
1519 
1520 #endif
1521 
1524 #ifdef __cplusplus
1525 }
1526 #endif
1527 
1528 #endif /* LY_TREE_DATA_H_ */
lyd_merge_to_ctx
int lyd_merge_to_ctx(struct lyd_node **trg, const struct lyd_node *src, int options, struct ly_ctx *ctx)
Same as lyd_merge(), but moves the resulting data into the specified context.
lyd_dup_to_ctx
struct lyd_node * lyd_dup_to_ctx(const struct lyd_node *node, int options, struct ly_ctx *ctx)
Create a copy of the specified data tree node in the different context. All the schema references and...
lyd_attr::next
struct lyd_attr * next
Definition: tree_data.h:130
lys_type
YANG type structure providing information from the schema.
Definition: tree_schema.h:973
lyd_parse_fd
struct lyd_node * lyd_parse_fd(struct ly_ctx *ctx, int fd, LYD_FORMAT format, int options,...)
Read (and validate) data from the given file descriptor.
lyd_find_sibling_val
int lyd_find_sibling_val(const struct lyd_node *siblings, const struct lys_node *schema, const char *key_or_value, struct lyd_node **match)
Search in the given siblings for the schema instance. If cache is enabled and the siblings are NOT to...
lyd_print_clb
int lyd_print_clb(ssize_t(*writeclb)(void *arg, const void *buf, size_t count), void *arg, const struct lyd_node *root, LYD_FORMAT format, int options)
Print data tree in the specified format.
lyd_value_u::int32
int32_t int32
Definition: tree_data.h:107
lyd_validate
int lyd_validate(struct lyd_node **node, int options, void *var_arg,...)
Validate node data subtree.
lyd_node_leaf_list
Structure for data nodes defined as LYS_LEAF or LYS_LEAFLIST.
Definition: tree_data.h:217
lyd_value_u::bit
struct lys_type_bit ** bit
Definition: tree_data.h:96
lyd_value_u::int8
int8_t int8
Definition: tree_data.h:105
lyd_validate_modules
int lyd_validate_modules(struct lyd_node **node, const struct lys_module **modules, int mod_count, int options,...)
Validate node data tree but only subtrees that belong to the schema found in modules....
lyd_value_type
int lyd_value_type(struct lys_node *node, const char *value, struct lys_type **type)
Check restrictions applicable to the particular leaf/leaf-list on the given string value and optional...
lys_ext_instance_complex
Complex extension instance structure.
Definition: tree_schema.h:498
lyd_free_attr
void lyd_free_attr(struct ly_ctx *ctx, struct lyd_node *parent, struct lyd_attr *attr, int recursive)
Destroy data attribute.
lyd_value_u::uint8
uint8_t uint8
Definition: tree_data.h:111
LYD_ANYDATA_LYB
@ LYD_ANYDATA_LYB
Definition: tree_data.h:82
lyd_find_sibling_set
int lyd_find_sibling_set(const struct lyd_node *siblings, const struct lyd_node *target, struct ly_set **set)
Search in the given siblings for all target instances. If cache is enabled and the siblings are NOT t...
lyd_dup_withsiblings
struct lyd_node * lyd_dup_withsiblings(const struct lyd_node *node, int options)
Create a copy of the specified data tree and all its siblings (preceding as well as following)....
lyd_value_u
node's value representation
Definition: tree_data.h:94
lyd_wd_default
int lyd_wd_default(struct lyd_node_leaf_list *node)
Get know if the node contain (despite implicit or explicit) default value.
LYD_ANYDATA_XML
@ LYD_ANYDATA_XML
Definition: tree_data.h:74
lyd_value_u::int16
int16_t int16
Definition: tree_data.h:106
lyd_value_u::binary
const char * binary
Definition: tree_data.h:95
lyd_insert_attr
struct lyd_attr * lyd_insert_attr(struct lyd_node *parent, const struct lys_module *mod, const char *name, const char *value)
Insert attribute into the data node.
lys_module
Main schema node structure representing YANG module.
Definition: tree_schema.h:666
lyd_insert
int lyd_insert(struct lyd_node *parent, struct lyd_node *node)
Insert the node element as child to the parent element. The node is inserted as a last child of the p...
lyd_attr
Attribute structure.
Definition: tree_data.h:128
lyd_node_anydata::value_type
LYD_ANYDATA_VALUETYPE value_type
Definition: tree_data.h:305
lys_type_bit
Single bit value specification for lys_type_info_bits.
Definition: tree_schema.h:820
lyd_free
void lyd_free(struct lyd_node *node)
Free (and unlink) the specified data subtree. Use carefully, since libyang silently creates default n...
lyxml_elem
Structure describing an element in an XML tree.
Definition: xml.h:92
lyd_value_u::ident
struct lys_ident * ident
Definition: tree_data.h:101
lyd_node_module
struct lys_module * lyd_node_module(const struct lyd_node *node)
Return main module of the data tree node.
lyd_print_fd
int lyd_print_fd(int fd, const struct lyd_node *root, LYD_FORMAT format, int options)
Print data tree in the specified format.
LYD_DIFF_DELETED
@ LYD_DIFF_DELETED
Definition: tree_data.h:314
lyd_node_should_print
int lyd_node_should_print(const struct lyd_node *node, int options)
Learn if a node is supposed to be printed based on the options.
lyd_val
union lyd_value_u lyd_val
node's value representation
xml.h
Public API of libyang XML parser.
lyd_parse_xml
struct lyd_node * lyd_parse_xml(struct ly_ctx *ctx, struct lyxml_elem **root, int options,...)
Parse (and validate) XML tree.
LYD_DIFF_CHANGED
@ LYD_DIFF_CHANGED
Definition: tree_data.h:322
lyd_new_output
struct lyd_node * lyd_new_output(struct lyd_node *parent, const struct lys_module *module, const char *name)
Create a new container node in a data tree. Ignore RPC/action input nodes and instead use RPC/action ...
lyd_node::next
struct lyd_node * next
Definition: tree_data.h:184
LYD_DIFF_END
@ LYD_DIFF_END
Definition: tree_data.h:313
LYD_ANYDATA_STRING
@ LYD_ANYDATA_STRING
Definition: tree_data.h:54
lyd_parse_path
struct lyd_node * lyd_parse_path(struct ly_ctx *ctx, const char *path, LYD_FORMAT format, int options,...)
Read (and validate) data from the given file path.
lyd_node::when_status
uint8_t when_status
Definition: tree_data.h:180
lyd_list_pos
unsigned int lyd_list_pos(const struct lyd_node *node)
Learn the relative instance position of a list or leaf-list within other instances of the same schema...
lyd_anydata_value::mem
char * mem
Definition: tree_data.h:264
lyd_schema_sort
int lyd_schema_sort(struct lyd_node *sibling, int recursive)
Order siblings according to the schema node ordering.
lyd_anydata_value
Anydata value union.
Definition: tree_data.h:262
LYD_DIFF_MOVEDAFTER1
@ LYD_DIFF_MOVEDAFTER1
Definition: tree_data.h:324
lyd_value_u::dec64
int64_t dec64
Definition: tree_data.h:99
lyd_node::validity
uint8_t validity
Definition: tree_data.h:178
lyd_node
Generic structure for a data node, directly applicable to the data nodes defined as LYS_CONTAINER,...
Definition: tree_data.h:176
lys_type_enum
Single enumeration value specification for lys_type_info_enums.
Definition: tree_schema.h:860
lyd_value_u::instance
struct lyd_node * instance
Definition: tree_data.h:102
LYD_LYB
@ LYD_LYB
Definition: tree_data.h:44
lyd_anydata_value::str
const char * str
Definition: tree_data.h:263
LYD_ANYDATA_SXMLD
@ LYD_ANYDATA_SXMLD
Definition: tree_data.h:70
lyd_free_diff
void lyd_free_diff(struct lyd_difflist *diff)
Free the result of lyd_diff(). It frees the structure of the lyd_diff() result, not the referenced no...
lyd_find_sibling
int lyd_find_sibling(const struct lyd_node *siblings, const struct lyd_node *target, struct lyd_node **match)
Search in the given siblings for the target instance. If cache is enabled and the siblings are NOT to...
LYD_FORMAT
LYD_FORMAT
Data input/output formats supported by libyang parser and printer functions.
Definition: tree_data.h:40
LYD_JSON
@ LYD_JSON
Definition: tree_data.h:43
lyd_difflist::first
struct lyd_node ** first
Definition: tree_data.h:357
lyd_insert_after
int lyd_insert_after(struct lyd_node *sibling, struct lyd_node *node)
Insert the node element after the sibling element. If node and siblings are already siblings (just mo...
lyd_diff
struct lyd_difflist * lyd_diff(struct lyd_node *first, struct lyd_node *second, int options)
Compare two data trees and provide list of differences.
lyd_new_leaf
struct lyd_node * lyd_new_leaf(struct lyd_node *parent, const struct lys_module *module, const char *name, const char *val_str)
Create a new leaf or leaflist node in a data tree with a string value that is converted to the actual...
lyd_node_anydata::value
lyd_anydata_value value
Definition: tree_data.h:306
LYD_ANYDATA_CONSTSTRING
@ LYD_ANYDATA_CONSTSTRING
Definition: tree_data.h:51
lyd_new_output_leaf
struct lyd_node * lyd_new_output_leaf(struct lyd_node *parent, const struct lys_module *module, const char *name, const char *val_str)
Create a new leaf or leaflist node in a data tree with a string value that is converted to the actual...
LYD_ANYDATA_JSOND
@ LYD_ANYDATA_JSOND
Definition: tree_data.h:63
lyd_difflist::type
LYD_DIFFTYPE * type
Definition: tree_data.h:356
lyd_find_instance
struct ly_set * lyd_find_instance(const struct lyd_node *data, const struct lys_node *schema)
Search in the given data for instances of the provided schema node.
lyd_node_anydata
Structure for data nodes defined as LYS_ANYDATA or LYS_ANYXML.
Definition: tree_data.h:278
lyd_dec64_to_double
double lyd_dec64_to_double(const struct lyd_node *node)
Get the double value of a decimal64 leaf/leaf-list.
lyd_insert_sibling
int lyd_insert_sibling(struct lyd_node **sibling, struct lyd_node *node)
Insert the node element as a last sibling of the specified sibling element.
lyd_value_u::enm
struct lys_type_enum * enm
Definition: tree_data.h:100
LY_DATA_TYPE
LY_DATA_TYPE
YANG built-in types.
Definition: tree_schema.h:784
LYD_ANYDATA_SXML
@ LYD_ANYDATA_SXML
Definition: tree_data.h:67
LYD_ANYDATA_LYBD
@ LYD_ANYDATA_LYBD
Definition: tree_data.h:85
lyd_value_u::string
const char * string
Definition: tree_data.h:110
lyd_free_val_diff
void lyd_free_val_diff(struct lyd_difflist *diff)
Free special diff that was returned by lyd_validate() or lyd_validate_modules().
lys_ident
Structure to hold information about identity, see RFC 6020 sec. 7.16
Definition: tree_schema.h:2080
lyd_node::prev
struct lyd_node * prev
Definition: tree_data.h:185
lyd_insert_before
int lyd_insert_before(struct lyd_node *sibling, struct lyd_node *node)
Insert the node element after the sibling element. If node and siblings are already siblings (just mo...
lyd_value_u::ptr
void * ptr
Definition: tree_data.h:115
lyd_attr::name
const char * name
Definition: tree_data.h:132
LYD_DIFF_CREATED
@ LYD_DIFF_CREATED
Definition: tree_data.h:331
lyd_attr::value_flags
uint8_t value_flags
Definition: tree_data.h:136
lys_node
Common structure representing single YANG data statement describing.
Definition: tree_schema.h:1209
lyd_value_u::int64
int64_t int64
Definition: tree_data.h:108
lyd_print_mem
int lyd_print_mem(char **strp, const struct lyd_node *root, LYD_FORMAT format, int options)
Print data tree in the specified format.
lyd_find_path
struct ly_set * lyd_find_path(const struct lyd_node *ctx_node, const char *path)
Search in the given data for instances of nodes matching the provided path.
lyd_anydata_value::tree
struct lyd_node * tree
Definition: tree_data.h:266
LYD_ANYDATA_DATATREE
@ LYD_ANYDATA_DATATREE
Definition: tree_data.h:78
lyd_first_sibling
struct lyd_node * lyd_first_sibling(struct lyd_node *node)
Get the first sibling of the given node.
tree_schema.h
libyang representation of data model trees.
lyd_new_yangdata
struct lyd_node * lyd_new_yangdata(const struct lys_module *module, const char *name_template, const char *name)
Create a new yang-data template in a data tree. It creates container, which name is in third paramete...
LYD_DIFFTYPE
LYD_DIFFTYPE
list of possible types of differences in lyd_difflist
Definition: tree_data.h:312
LYD_XML
@ LYD_XML
Definition: tree_data.h:42
lyd_value_u::uint32
uint32_t uint32
Definition: tree_data.h:113
LYD_DIFF_MOVEDAFTER2
@ LYD_DIFF_MOVEDAFTER2
Definition: tree_data.h:340
lyd_attr::value_str
const char * value_str
Definition: tree_data.h:133
LYD_UNKNOWN
@ LYD_UNKNOWN
Definition: tree_data.h:41
lyd_node::schema
struct lys_node * schema
Definition: tree_data.h:177
lyd_leaf_type
const struct lys_type * lyd_leaf_type(const struct lyd_node_leaf_list *leaf)
Get the type structure of a leaf.
lyd_new_output_anydata
struct lyd_node * lyd_new_output_anydata(struct lyd_node *parent, const struct lys_module *module, const char *name, void *value, LYD_ANYDATA_VALUETYPE value_type)
Create a new anydata or anyxml node in a data tree. Ignore RPC/action input nodes and instead use RPC...
lyd_free_withsiblings
void lyd_free_withsiblings(struct lyd_node *node)
Free (and unlink) the specified data tree and all its siblings (preceding as well as following).
lyd_value_u::leafref
struct lyd_node * leafref
Definition: tree_data.h:109
lyd_difflist
Structure for the result of lyd_diff(), describing differences between two data trees.
Definition: tree_data.h:355
lyd_new
struct lyd_node * lyd_new(struct lyd_node *parent, const struct lys_module *module, const char *name)
Create a new container node in a data tree.
lyd_attr::annotation
struct lys_ext_instance_complex * annotation
Definition: tree_data.h:131
lyd_merge
int lyd_merge(struct lyd_node *target, const struct lyd_node *source, int options)
Merge a (sub)tree into a data tree.
lyd_validate_value
int lyd_validate_value(struct lys_node *node, const char *value)
Check restrictions applicable to the particular leaf/leaf-list on the given string value.
lyd_difflist::second
struct lyd_node ** second
Definition: tree_data.h:359
lyd_print_file
int lyd_print_file(FILE *f, const struct lyd_node *root, LYD_FORMAT format, int options)
Print data tree in the specified format.
lyd_print_path
int lyd_print_path(const char *path, const struct lyd_node *root, LYD_FORMAT format, int options)
Print data tree in the specified format.
lyd_value_u::bln
int8_t bln
Definition: tree_data.h:98
lyd_attr::parent
struct lyd_node * parent
Definition: tree_data.h:129
LYD_ANYDATA_VALUETYPE
LYD_ANYDATA_VALUETYPE
List of possible value types stored in lyd_node_anydata.
Definition: tree_data.h:50
lyd_value_u::uint64
uint64_t uint64
Definition: tree_data.h:114
lyd_anydata_value::xml
struct lyxml_elem * xml
Definition: tree_data.h:265
lyd_unlink
int lyd_unlink(struct lyd_node *node)
Unlink the specified data subtree. All referenced namespaces are copied.
lyd_node::attr
struct lyd_attr * attr
Definition: tree_data.h:183
lyd_lyb_data_length
int lyd_lyb_data_length(const char *data)
Get the length of a printed LYB data tree.
lyd_attr::value_type
LY_DATA_TYPE _PACKED value_type
Definition: tree_data.h:135
lyd_change_leaf
int lyd_change_leaf(struct lyd_node_leaf_list *leaf, const char *val_str)
Change value of a leaf node.
lyd_node::child
struct lyd_node * child
Definition: tree_data.h:200
lyd_value_u::uint16
uint16_t uint16
Definition: tree_data.h:112
LYD_ANYDATA_JSON
@ LYD_ANYDATA_JSON
Definition: tree_data.h:59
lyd_node::dflt
uint8_t dflt
Definition: tree_data.h:179
lyd_new_anydata
struct lyd_node * lyd_new_anydata(struct lyd_node *parent, const struct lys_module *module, const char *name, void *value, LYD_ANYDATA_VALUETYPE value_type)
Create a new anydata or anyxml node in a data tree.
lyd_attr::value
lyd_val value
Definition: tree_data.h:134