libyang 2.0.231
libyang is YANG data modelling language parser and toolkit written (and providing API) in C.
string.c
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1
15#include "plugins_types.h"
16
17#include <stdint.h>
18#include <stdlib.h>
19
20#include "libyang.h"
21
22/* additional internal headers for some useful simple macros */
23#include "common.h"
24#include "compat.h"
25#include "plugins_internal.h" /* LY_TYPE_*_STR */
26
36LIBYANG_API_DEF LY_ERR
37lyplg_type_store_string(const struct ly_ctx *ctx, const struct lysc_type *type, const void *value, size_t value_len,
38 uint32_t options, LY_VALUE_FORMAT UNUSED(format), void *UNUSED(prefix_data), uint32_t hints,
39 const struct lysc_node *UNUSED(ctx_node), struct lyd_value *storage, struct lys_glob_unres *UNUSED(unres),
40 struct ly_err_item **err)
41{
42 LY_ERR ret = LY_SUCCESS;
43 struct lysc_type_str *type_str = (struct lysc_type_str *)type;
44
45 /* init storage */
46 memset(storage, 0, sizeof *storage);
47 storage->realtype = type;
48
49 /* check hints */
50 ret = lyplg_type_check_hints(hints, value, value_len, type->basetype, NULL, err);
51 LY_CHECK_GOTO(ret, cleanup);
52
53 /* length restriction of the string */
54 if (type_str->length) {
55 /* value_len is in bytes, but we need number of characters here */
56 ret = lyplg_type_validate_range(LY_TYPE_STRING, type_str->length, ly_utf8len(value, value_len), value, value_len, err);
57 LY_CHECK_GOTO(ret, cleanup);
58 }
59
60 /* pattern restrictions */
61 ret = lyplg_type_validate_patterns(type_str->patterns, value, value_len, err);
62 LY_CHECK_GOTO(ret, cleanup);
63
64 /* store canonical value */
65 if (options & LYPLG_TYPE_STORE_DYNAMIC) {
66 ret = lydict_insert_zc(ctx, (char *)value, &storage->_canonical);
67 options &= ~LYPLG_TYPE_STORE_DYNAMIC;
68 LY_CHECK_GOTO(ret, cleanup);
69 } else {
70 ret = lydict_insert(ctx, value_len ? value : "", value_len, &storage->_canonical);
71 LY_CHECK_GOTO(ret, cleanup);
72 }
73
74cleanup:
75 if (options & LYPLG_TYPE_STORE_DYNAMIC) {
76 free((void *)value);
77 }
78
79 if (ret) {
80 lyplg_type_free_simple(ctx, storage);
81 }
82 return ret;
83}
84
93 {
94 .module = "",
95 .revision = NULL,
96 .name = LY_TYPE_STRING_STR,
97
98 .plugin.id = "libyang 2 - string, version 1",
99 .plugin.store = lyplg_type_store_string,
100 .plugin.validate = NULL,
101 .plugin.compare = lyplg_type_compare_simple,
102 .plugin.sort = NULL,
103 .plugin.print = lyplg_type_print_simple,
104 .plugin.duplicate = lyplg_type_dup_simple,
105 .plugin.free = lyplg_type_free_simple,
106 .plugin.lyb_data_len = -1,
107 },
108 {0}
109};
libyang context handler.
LIBYANG_API_DECL LY_ERR lydict_insert(const struct ly_ctx *ctx, const char *value, size_t len, const char **str_p)
Insert string into dictionary. If the string is already present, only a reference counter is incremen...
LIBYANG_API_DECL LY_ERR lydict_insert_zc(const struct ly_ctx *ctx, char *value, const char **str_p)
Insert string into dictionary - zerocopy version. If the string is already present,...
LY_ERR
libyang's error codes returned by the libyang functions.
Definition: log.h:244
@ LY_SUCCESS
Definition: log.h:245
Libyang full error structure.
Definition: log.h:289
const char * module
LIBYANG_API_DECL LY_ERR lyplg_type_validate_patterns(struct lysc_pattern **patterns, const char *str, size_t str_len, struct ly_err_item **err)
Data type validator for pattern-restricted string values.
LIBYANG_API_DECL LY_ERR lyplg_type_validate_range(LY_DATA_TYPE basetype, struct lysc_range *range, int64_t value, const char *strval, size_t strval_len, struct ly_err_item **err)
Data type validator for a range/length-restricted values.
LIBYANG_API_DECL LY_ERR lyplg_type_check_hints(uint32_t hints, const char *value, size_t value_len, LY_DATA_TYPE type, int *base, struct ly_err_item **err)
Check that the type is suitable for the parser's hints (if any) in the specified format.
LIBYANG_API_DECL const void * lyplg_type_print_simple(const struct ly_ctx *ctx, const struct lyd_value *value, LY_VALUE_FORMAT format, void *prefix_data, ly_bool *dynamic, size_t *value_len)
Implementation of lyplg_type_print_clb for a generic simple type.
LIBYANG_API_DECL LY_ERR lyplg_type_dup_simple(const struct ly_ctx *ctx, const struct lyd_value *original, struct lyd_value *dup)
Implementation of lyplg_type_dup_clb for a generic simple type.
LIBYANG_API_DECL void lyplg_type_free_simple(const struct ly_ctx *ctx, struct lyd_value *value)
Implementation of lyplg_type_free_clb for a generic simple type.
LIBYANG_API_DECL LY_ERR lyplg_type_compare_simple(const struct lyd_value *val1, const struct lyd_value *val2)
Implementation of lyplg_type_compare_clb for a generic simple type.
#define LYPLG_TYPE_STORE_DYNAMIC
LY_DATA_TYPE basetype
Definition: tree_schema.h:1536
struct lysc_pattern ** patterns
Definition: tree_schema.h:1564
struct lysc_range * length
Definition: tree_schema.h:1563
Compiled YANG data node.
Definition: tree_schema.h:1650
LY_VALUE_FORMAT
All kinds of supported value formats and prefix mappings to modules.
Definition: tree.h:235
@ LY_TYPE_STRING
Definition: tree.h:210
The main libyang public header.
API for (user) types plugins.
const struct lyplg_type_record plugins_string[]
Plugin information for string type implementation.
Definition: string.c:92
LIBYANG_API_DEF LY_ERR lyplg_type_store_string(const struct ly_ctx *ctx, const struct lysc_type *type, const void *value, size_t value_len, uint32_t options, LY_VALUE_FORMAT UNUSED(format), void *UNUSED(prefix_data), uint32_t hints, const struct lysc_node *UNUSED(ctx_node), struct lyd_value *storage, struct lys_glob_unres *UNUSED(unres), struct ly_err_item **err)
Definition: string.c:37
const struct lysc_type * realtype
Definition: tree_data.h:564
const char * _canonical
Definition: tree_data.h:561
YANG data representation.
Definition: tree_data.h:560