blob: 7c251a112ade90556678223e1375aeac3356a19c [file] [log] [blame]
Radek Krejci13a57b62019-07-19 13:04:09 +02001/**
Michal Vasko90932a92020-02-12 14:33:03 +01002 * @file printer_json.c
Radek Krejci13a57b62019-07-19 13:04:09 +02003 * @author Radek Krejci <rkrejci@cesnet.cz>
Michal Vasko90932a92020-02-12 14:33:03 +01004 * @brief JSON printer for libyang data structure
Radek Krejci13a57b62019-07-19 13:04:09 +02005 *
Radek Krejci5536d282020-08-04 23:27:44 +02006 * Copyright (c) 2015 - 2020 CESNET, z.s.p.o.
Radek Krejci13a57b62019-07-19 13:04:09 +02007 *
8 * This source code is licensed under BSD 3-Clause License (the "License").
9 * You may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
11 *
12 * https://opensource.org/licenses/BSD-3-Clause
13 */
14
Radek Krejci5536d282020-08-04 23:27:44 +020015#include <assert.h>
Radek Krejci47fab892020-11-05 17:02:41 +010016#include <stdint.h>
Radek Krejci5536d282020-08-04 23:27:44 +020017#include <stdlib.h>
Radek Krejci5536d282020-08-04 23:27:44 +020018
Radek Krejci13a57b62019-07-19 13:04:09 +020019#include "common.h"
Radek Krejci47fab892020-11-05 17:02:41 +010020#include "context.h"
Radek Krejci5536d282020-08-04 23:27:44 +020021#include "log.h"
Radek Krejci47fab892020-11-05 17:02:41 +010022#include "out.h"
Michal Vaskoafac7822020-10-20 14:22:26 +020023#include "out_internal.h"
Radek Krejci5536d282020-08-04 23:27:44 +020024#include "parser_data.h"
25#include "plugins_types.h"
26#include "printer_data.h"
27#include "printer_internal.h"
28#include "set.h"
29#include "tree.h"
30#include "tree_data.h"
Radek Krejci13a57b62019-07-19 13:04:09 +020031#include "tree_schema.h"
32
33/**
Radek Krejci5536d282020-08-04 23:27:44 +020034 * @brief JSON printer context.
35 */
36struct jsonpr_ctx {
Radek Krejci1deb5be2020-08-26 16:43:36 +020037 struct ly_out *out; /**< output specification */
Michal Vaskob6b25302021-12-02 10:48:32 +010038 const struct lyd_node *root; /**< root node of the subtree being printed */
Radek Krejci1deb5be2020-08-26 16:43:36 +020039 uint16_t level; /**< current indentation level: 0 - no formatting, >= 1 indentation levels */
40 uint32_t options; /**< [Data printer flags](@ref dataprinterflags) */
41 const struct ly_ctx *ctx; /**< libyang context */
Radek Krejci5536d282020-08-04 23:27:44 +020042
Radek Krejci1deb5be2020-08-26 16:43:36 +020043 uint16_t level_printed; /* level where some data were already printed */
Michal Vaskob6b25302021-12-02 10:48:32 +010044 struct ly_set open; /* currently open array(s) */
Radek Krejci5536d282020-08-04 23:27:44 +020045 const struct lyd_node *print_sibling_metadata;
46};
47
48/**
49 * @brief Mark that something was already written in the current level,
50 * used to decide if a comma is expected between the items
51 */
52#define LEVEL_PRINTED ctx->level_printed = ctx->level
53
54#define PRINT_COMMA \
55 if (ctx->level_printed >= ctx->level) {\
Michal Vasko5233e962020-08-14 14:26:20 +020056 ly_print_(ctx->out, ",%s", (DO_FORMAT ? "\n" : ""));\
Radek Krejci5536d282020-08-04 23:27:44 +020057 }
58
59static LY_ERR json_print_node(struct jsonpr_ctx *ctx, const struct lyd_node *node);
60
61/**
Radek Krejci5536d282020-08-04 23:27:44 +020062 * Compare 2 nodes, despite it is regular data node or an opaq node, and
63 * decide if they corresponds to the same schema node.
64 *
65 * TODO: rewrite lyd_compare_single and use it instead of this
66 *
67 * @return 1 - matching nodes, 0 - non-matching nodes
68 */
69static int
70matching_node(const struct lyd_node *node1, const struct lyd_node *node2)
71{
72 assert(node1 || node2);
73
74 if (!node1 || !node2) {
75 return 0;
76 } else if (node1->schema != node2->schema) {
77 return 0;
78 }
79 if (!node1->schema) {
80 /* compare node names */
Michal Vasko22df3f02020-08-24 13:29:22 +020081 struct lyd_node_opaq *onode1 = (struct lyd_node_opaq *)node1;
82 struct lyd_node_opaq *onode2 = (struct lyd_node_opaq *)node2;
Michal Vaskoad92b672020-11-12 13:11:31 +010083 if ((onode1->name.name != onode2->name.name) || (onode1->name.prefix != onode2->name.prefix)) {
Radek Krejci5536d282020-08-04 23:27:44 +020084 return 0;
85 }
86 }
87
88 return 1;
89}
90
91/**
92 * @brief Open the JSON array ('[') for the specified @p node
93 *
94 * @param[in] ctx JSON printer context.
95 * @param[in] node First node of the array.
Michal Vaskob0099a92020-08-31 14:55:23 +020096 * @return LY_ERR value.
Radek Krejci5536d282020-08-04 23:27:44 +020097 */
Michal Vaskob0099a92020-08-31 14:55:23 +020098static LY_ERR
Radek Krejci5536d282020-08-04 23:27:44 +020099json_print_array_open(struct jsonpr_ctx *ctx, const struct lyd_node *node)
100{
Christian Hoppsbe51c942021-04-02 16:29:51 -0400101 ly_print_(ctx->out, "[%s", DO_FORMAT ? "\n" : "");
Michal Vaskob0099a92020-08-31 14:55:23 +0200102 LY_CHECK_RET(ly_set_add(&ctx->open, (void *)node, 0, NULL));
Radek Krejci5536d282020-08-04 23:27:44 +0200103 LEVEL_INC;
Michal Vaskob0099a92020-08-31 14:55:23 +0200104
105 return LY_SUCCESS;
Radek Krejci5536d282020-08-04 23:27:44 +0200106}
107
108/**
109 * @brief Get know if the array for the provided @p node is currently open.
110 *
111 * @param[in] ctx JSON printer context.
112 * @param[in] node Data node to check.
113 * @return 1 in case the printer is currently in the array belonging to the provided @p node.
114 * @return 0 in case the provided @p node is not connected with the currently open array (or there is no open array).
115 */
116static int
117is_open_array(struct jsonpr_ctx *ctx, const struct lyd_node *node)
118{
Michal Vasko22df3f02020-08-24 13:29:22 +0200119 if (ctx->open.count && matching_node(node, (const struct lyd_node *)ctx->open.objs[ctx->open.count - 1])) {
Radek Krejci5536d282020-08-04 23:27:44 +0200120 return 1;
121 } else {
122 return 0;
123 }
124}
125
126/**
127 * @brief Close the most inner JSON array.
128 *
129 * @param[in] ctx JSON printer context.
130 */
131static void
132json_print_array_close(struct jsonpr_ctx *ctx)
133{
Radek Krejci5536d282020-08-04 23:27:44 +0200134 LEVEL_DEC;
135 ly_set_rm_index(&ctx->open, ctx->open.count - 1, NULL);
Christian Hoppsbe51c942021-04-02 16:29:51 -0400136 ly_print_(ctx->out, "%s%*s]", DO_FORMAT ? "\n" : "", INDENT);
Radek Krejci5536d282020-08-04 23:27:44 +0200137}
138
139/**
140 * @brief Get the node's module name to use as the @p node prefix in JSON.
Radek Krejci31bc3f52021-04-26 11:09:58 +0200141 *
Radek Krejci5536d282020-08-04 23:27:44 +0200142 * @param[in] node Node to process.
143 * @return The name of the module where the @p node belongs, it can be NULL in case the module name
144 * cannot be determined (source format is XML and the refered namespace is unknown/not implemented in the current context).
145 */
146static const char *
147node_prefix(const struct lyd_node *node)
148{
149 if (node->schema) {
150 return node->schema->module->name;
151 } else {
Michal Vasko22df3f02020-08-24 13:29:22 +0200152 struct lyd_node_opaq *onode = (struct lyd_node_opaq *)node;
Radek Krejci5536d282020-08-04 23:27:44 +0200153 const struct lys_module *mod;
154
155 switch (onode->format) {
Radek Krejci8df109d2021-04-23 12:19:08 +0200156 case LY_VALUE_JSON:
Michal Vaskoad92b672020-11-12 13:11:31 +0100157 return onode->name.module_name;
Radek Krejci8df109d2021-04-23 12:19:08 +0200158 case LY_VALUE_XML:
Michal Vaskoad92b672020-11-12 13:11:31 +0100159 mod = ly_ctx_get_module_implemented_ns(onode->ctx, onode->name.module_ns);
Radek Krejci5536d282020-08-04 23:27:44 +0200160 if (!mod) {
161 return NULL;
162 }
163 return mod->name;
Michal Vasko6b5cb2a2020-11-11 19:11:21 +0100164 default:
Radek Krejci5536d282020-08-04 23:27:44 +0200165 /* cannot be created */
Michal Vaskob7be7a82020-08-20 09:09:04 +0200166 LOGINT(LYD_CTX(node));
Radek Krejci5536d282020-08-04 23:27:44 +0200167 }
168 }
169
170 return NULL;
171}
172
173/**
174 * @brief Compare 2 nodes if the belongs to the same module (if they come from the same namespace)
175 *
176 * Accepts both regulard a well as opaq nodes.
177 *
178 * @param[in] node1 The first node to compare.
179 * @param[in] node2 The second node to compare.
180 * @return 0 in case the nodes' modules are the same
181 * @return 1 in case the nodes belongs to different modules
182 */
183int
184json_nscmp(const struct lyd_node *node1, const struct lyd_node *node2)
185{
186 assert(node1 || node2);
187
188 if (!node1 || !node2) {
189 return 1;
190 } else if (node1->schema && node2->schema) {
191 if (node1->schema->module == node2->schema->module) {
192 /* belongs to the same module */
193 return 0;
194 } else {
195 /* different modules */
196 return 1;
197 }
198 } else {
199 const char *pref1 = node_prefix(node1);
200 const char *pref2 = node_prefix(node2);
Michal Vasko69730152020-10-09 16:30:07 +0200201 if ((pref1 && pref2) && (pref1 == pref2)) {
Radek Krejci5536d282020-08-04 23:27:44 +0200202 return 0;
203 } else {
204 return 1;
205 }
206 }
207}
208
209/**
210 * @brief Print the @p text as JSON string - encode special characters and add quotation around the string.
211 *
212 * @param[in] out The output handler.
213 * @param[in] text The string to print.
Michal Vasko5233e962020-08-14 14:26:20 +0200214 * @return LY_ERR value.
Radek Krejci5536d282020-08-04 23:27:44 +0200215 */
Michal Vasko5233e962020-08-14 14:26:20 +0200216static LY_ERR
Radek Krejci5536d282020-08-04 23:27:44 +0200217json_print_string(struct ly_out *out, const char *text)
218{
Radek Krejci1deb5be2020-08-26 16:43:36 +0200219 uint64_t i, n;
Radek Krejci5536d282020-08-04 23:27:44 +0200220
221 if (!text) {
Michal Vasko5233e962020-08-14 14:26:20 +0200222 return LY_SUCCESS;
Radek Krejci5536d282020-08-04 23:27:44 +0200223 }
224
Michal Vasko5233e962020-08-14 14:26:20 +0200225 ly_write_(out, "\"", 1);
Radek Krejci5536d282020-08-04 23:27:44 +0200226 for (i = n = 0; text[i]; i++) {
227 const unsigned char ascii = text[i];
228 if (ascii < 0x20) {
229 /* control character */
Michal Vasko5233e962020-08-14 14:26:20 +0200230 ly_print_(out, "\\u%.4X", ascii);
Radek Krejci5536d282020-08-04 23:27:44 +0200231 } else {
232 switch (ascii) {
233 case '"':
Michal Vasko5233e962020-08-14 14:26:20 +0200234 ly_print_(out, "\\\"");
Radek Krejci5536d282020-08-04 23:27:44 +0200235 break;
236 case '\\':
Michal Vasko5233e962020-08-14 14:26:20 +0200237 ly_print_(out, "\\\\");
Radek Krejci5536d282020-08-04 23:27:44 +0200238 break;
239 default:
Michal Vasko5233e962020-08-14 14:26:20 +0200240 ly_write_(out, &text[i], 1);
Radek Krejci5536d282020-08-04 23:27:44 +0200241 n++;
242 }
243 }
244 }
Michal Vasko5233e962020-08-14 14:26:20 +0200245 ly_write_(out, "\"", 1);
Radek Krejci5536d282020-08-04 23:27:44 +0200246
Michal Vasko5233e962020-08-14 14:26:20 +0200247 return LY_SUCCESS;
Radek Krejci5536d282020-08-04 23:27:44 +0200248}
249
250/**
251 * @brief Print JSON object's member name, ending by ':'. It resolves if the prefix is supposed to be printed.
252 *
253 * @param[in] ctx JSON printer context.
254 * @param[in] node The data node being printed.
255 * @param[in] is_attr Flag if the metadata sign (@) is supposed to be added before the identifier.
256 * @return LY_ERR value.
257 */
258static LY_ERR
Radek Krejci857189e2020-09-01 13:26:36 +0200259json_print_member(struct jsonpr_ctx *ctx, const struct lyd_node *node, ly_bool is_attr)
Radek Krejci5536d282020-08-04 23:27:44 +0200260{
261 PRINT_COMMA;
Michal Vasko69730152020-10-09 16:30:07 +0200262 if ((LEVEL == 1) || json_nscmp(node, (const struct lyd_node *)node->parent)) {
Radek Krejci5536d282020-08-04 23:27:44 +0200263 /* print "namespace" */
Michal Vasko5233e962020-08-14 14:26:20 +0200264 ly_print_(ctx->out, "%*s\"%s%s:%s\":%s", INDENT, is_attr ? "@" : "",
Michal Vasko69730152020-10-09 16:30:07 +0200265 node_prefix(node), node->schema->name, DO_FORMAT ? " " : "");
Radek Krejci5536d282020-08-04 23:27:44 +0200266 } else {
Michal Vasko5233e962020-08-14 14:26:20 +0200267 ly_print_(ctx->out, "%*s\"%s%s\":%s", INDENT, is_attr ? "@" : "",
Michal Vasko69730152020-10-09 16:30:07 +0200268 node->schema->name, DO_FORMAT ? " " : "");
Radek Krejci5536d282020-08-04 23:27:44 +0200269 }
270
271 return LY_SUCCESS;
272}
273
274/**
275 * @brief More generic alternative to json_print_member() to print some special cases of the member names.
276 *
277 * @param[in] ctx JSON printer context.
278 * @param[in] parent Parent node to compare modules deciding if the prefix is printed.
279 * @param[in] format Format to decide how to process the @p prefix.
Michal Vaskoad92b672020-11-12 13:11:31 +0100280 * @param[in] name Name structure to provide name and prefix to print. If NULL, only "" name is printed.
Radek Krejci5536d282020-08-04 23:27:44 +0200281 * @param[in] is_attr Flag if the metadata sign (@) is supposed to be added before the identifier.
282 * @return LY_ERR value.
283 */
284static LY_ERR
Radek Krejci8df109d2021-04-23 12:19:08 +0200285json_print_member2(struct jsonpr_ctx *ctx, const struct lyd_node *parent, LY_VALUE_FORMAT format,
Michal Vaskoad92b672020-11-12 13:11:31 +0100286 const struct ly_opaq_name *name, ly_bool is_attr)
Radek Krejci5536d282020-08-04 23:27:44 +0200287{
Michal Vaskoad92b672020-11-12 13:11:31 +0100288 const char *module_name = NULL, *name_str;
Radek Krejci5536d282020-08-04 23:27:44 +0200289
290 PRINT_COMMA;
291
292 /* determine prefix string */
Michal Vaskoad92b672020-11-12 13:11:31 +0100293 if (name) {
Radek Krejci5536d282020-08-04 23:27:44 +0200294 const struct lys_module *mod;
295
296 switch (format) {
Radek Krejci8df109d2021-04-23 12:19:08 +0200297 case LY_VALUE_JSON:
Michal Vaskoad92b672020-11-12 13:11:31 +0100298 module_name = name->module_name;
Radek Krejci5536d282020-08-04 23:27:44 +0200299 break;
Radek Krejci8df109d2021-04-23 12:19:08 +0200300 case LY_VALUE_XML:
Michal Vaskoad92b672020-11-12 13:11:31 +0100301 mod = ly_ctx_get_module_implemented_ns(ctx->ctx, name->module_ns);
Radek Krejci5536d282020-08-04 23:27:44 +0200302 if (mod) {
303 module_name = mod->name;
304 }
305 break;
Michal Vasko6b5cb2a2020-11-11 19:11:21 +0100306 default:
Radek Krejci5536d282020-08-04 23:27:44 +0200307 /* cannot be created */
308 LOGINT_RET(ctx->ctx);
309 }
Michal Vaskoad92b672020-11-12 13:11:31 +0100310
311 name_str = name->name;
312 } else {
313 name_str = "";
Radek Krejci5536d282020-08-04 23:27:44 +0200314 }
315
316 /* print the member */
Michal Vasko69730152020-10-09 16:30:07 +0200317 if (module_name && (!parent || (node_prefix(parent) != module_name))) {
Michal Vaskoad92b672020-11-12 13:11:31 +0100318 ly_print_(ctx->out, "%*s\"%s%s:%s\":%s", INDENT, is_attr ? "@" : "", module_name, name_str, DO_FORMAT ? " " : "");
Radek Krejci5536d282020-08-04 23:27:44 +0200319 } else {
Michal Vaskoad92b672020-11-12 13:11:31 +0100320 ly_print_(ctx->out, "%*s\"%s%s\":%s", INDENT, is_attr ? "@" : "", name_str, DO_FORMAT ? " " : "");
Radek Krejci5536d282020-08-04 23:27:44 +0200321 }
322
323 return LY_SUCCESS;
324}
325
326/**
327 * @brief Print data value.
328 *
329 * @param[in] ctx JSON printer context.
330 * @param[in] val Data value to be printed.
331 * @return LY_ERR value.
332 */
333static LY_ERR
334json_print_value(struct jsonpr_ctx *ctx, const struct lyd_value *val)
335{
aPiecek0f6bf3e2021-08-25 15:47:49 +0200336 ly_bool dynamic;
Michal Vasko183b9112021-11-04 16:02:24 +0100337 LY_DATA_TYPE basetype;
Radek Krejci224d4b42021-04-23 13:54:59 +0200338 const char *value = val->realtype->plugin->print(ctx->ctx, val, LY_VALUE_JSON, NULL, &dynamic, NULL);
Radek Krejci5536d282020-08-04 23:27:44 +0200339
Michal Vasko183b9112021-11-04 16:02:24 +0100340 basetype = val->realtype->basetype;
341
342print_val:
Radek Krejci5536d282020-08-04 23:27:44 +0200343 /* leafref is not supported */
Michal Vasko183b9112021-11-04 16:02:24 +0100344 switch (basetype) {
345 case LY_TYPE_UNION:
346 /* use the resolved type */
347 basetype = val->subvalue->value.realtype->basetype;
348 goto print_val;
349
Radek Krejci5536d282020-08-04 23:27:44 +0200350 case LY_TYPE_BINARY:
351 case LY_TYPE_STRING:
352 case LY_TYPE_BITS:
353 case LY_TYPE_ENUM:
354 case LY_TYPE_INST:
355 case LY_TYPE_INT64:
356 case LY_TYPE_UINT64:
357 case LY_TYPE_DEC64:
358 case LY_TYPE_IDENT:
359 json_print_string(ctx->out, value);
360 break;
361
362 case LY_TYPE_INT8:
363 case LY_TYPE_INT16:
364 case LY_TYPE_INT32:
365 case LY_TYPE_UINT8:
366 case LY_TYPE_UINT16:
367 case LY_TYPE_UINT32:
368 case LY_TYPE_BOOL:
Michal Vasko5233e962020-08-14 14:26:20 +0200369 ly_print_(ctx->out, "%s", value[0] ? value : "null");
Radek Krejci5536d282020-08-04 23:27:44 +0200370 break;
371
372 case LY_TYPE_EMPTY:
Michal Vasko5233e962020-08-14 14:26:20 +0200373 ly_print_(ctx->out, "[null]");
Radek Krejci5536d282020-08-04 23:27:44 +0200374 break;
375
376 default:
377 /* error */
378 LOGINT_RET(ctx->ctx);
379 }
380
381 if (dynamic) {
Michal Vasko22df3f02020-08-24 13:29:22 +0200382 free((char *)value);
Radek Krejci5536d282020-08-04 23:27:44 +0200383 }
384
385 return LY_SUCCESS;
386}
387
388/**
389 * @brief Print all the attributes of the opaq node.
390 *
391 * @param[in] ctx JSON printer context.
392 * @param[in] node Opaq node where the attributes are placed.
393 * @param[in] wdmod With-defaults module to mark that default attribute is supposed to be printed.
394 * @return LY_ERR value.
395 */
396static LY_ERR
397json_print_attribute(struct jsonpr_ctx *ctx, const struct lyd_node_opaq *node, const struct lys_module *wdmod)
398{
399 struct lyd_attr *attr;
400
401 if (wdmod) {
Michal Vasko5233e962020-08-14 14:26:20 +0200402 ly_print_(ctx->out, "%*s\"%s:default\":\"true\"", INDENT, wdmod->name);
Radek Krejci5536d282020-08-04 23:27:44 +0200403 LEVEL_PRINTED;
404 }
405
406 for (attr = node->attr; attr; attr = attr->next) {
407 PRINT_COMMA;
Michal Vasko9e685082021-01-29 14:49:09 +0100408 json_print_member2(ctx, &node->node, attr->format, &attr->name, 0);
Radek Krejci5536d282020-08-04 23:27:44 +0200409
Michal Vaskofeca4fb2020-10-05 08:58:40 +0200410 if (attr->hints & (LYD_VALHINT_BOOLEAN | LYD_VALHINT_DECNUM)) {
Michal Vasko5233e962020-08-14 14:26:20 +0200411 ly_print_(ctx->out, "%s", attr->value[0] ? attr->value : "null");
Michal Vaskofeca4fb2020-10-05 08:58:40 +0200412 } else if (attr->hints & LYD_VALHINT_EMPTY) {
Michal Vasko5233e962020-08-14 14:26:20 +0200413 ly_print_(ctx->out, "[null]");
Radek Krejci5536d282020-08-04 23:27:44 +0200414 } else {
415 json_print_string(ctx->out, attr->value);
416 }
417 LEVEL_PRINTED;
418 }
419
420 return LY_SUCCESS;
421}
422
423/**
424 * @brief Print all the metadata of the node.
425 *
426 * @param[in] ctx JSON printer context.
427 * @param[in] node Node where the metadata are placed.
428 * @param[in] wdmod With-defaults module to mark that default attribute is supposed to be printed.
429 * @return LY_ERR value.
430 */
431static LY_ERR
432json_print_metadata(struct jsonpr_ctx *ctx, const struct lyd_node *node, const struct lys_module *wdmod)
433{
434 struct lyd_meta *meta;
435
436 if (wdmod) {
Michal Vasko5233e962020-08-14 14:26:20 +0200437 ly_print_(ctx->out, "%*s\"%s:default\":\"true\"", INDENT, wdmod->name);
Radek Krejci5536d282020-08-04 23:27:44 +0200438 LEVEL_PRINTED;
439 }
440
441 for (meta = node->meta; meta; meta = meta->next) {
442 PRINT_COMMA;
Michal Vasko5233e962020-08-14 14:26:20 +0200443 ly_print_(ctx->out, "%*s\"%s:%s\":%s", INDENT, meta->annotation->module->name, meta->name, DO_FORMAT ? " " : "");
Radek Krejci5536d282020-08-04 23:27:44 +0200444 LY_CHECK_RET(json_print_value(ctx, &meta->value));
445 LEVEL_PRINTED;
446 }
447
448 return LY_SUCCESS;
449}
450
451/**
452 * @brief Print attributes/metadata of the given @p node. Accepts both regular as well as opaq nodes.
453 *
454 * @param[in] ctx JSON printer context.
455 * @param[in] node Data node where the attributes/metadata are placed.
Radek Krejci857189e2020-09-01 13:26:36 +0200456 * @param[in] inner Flag if the @p node is an inner node in the tree.
Radek Krejci5536d282020-08-04 23:27:44 +0200457 * @return LY_ERR value.
458 */
459static LY_ERR
Radek Krejci857189e2020-09-01 13:26:36 +0200460json_print_attributes(struct jsonpr_ctx *ctx, const struct lyd_node *node, ly_bool inner)
Radek Krejci5536d282020-08-04 23:27:44 +0200461{
462 const struct lys_module *wdmod = NULL;
463
464 if ((node->flags & LYD_DEFAULT) && (ctx->options & (LYD_PRINT_WD_ALL_TAG | LYD_PRINT_WD_IMPL_TAG))) {
465 /* we have implicit OR explicit default node */
466 /* get with-defaults module */
Michal Vaskob7be7a82020-08-20 09:09:04 +0200467 wdmod = ly_ctx_get_module_implemented(LYD_CTX(node), "ietf-netconf-with-defaults");
Radek Krejci5536d282020-08-04 23:27:44 +0200468 }
469
470 if (node->schema && node->meta) {
471 if (inner) {
Radek Krejci8df109d2021-04-23 12:19:08 +0200472 LY_CHECK_RET(json_print_member2(ctx, NULL, LY_VALUE_JSON, NULL, 1));
Radek Krejci5536d282020-08-04 23:27:44 +0200473 } else {
474 LY_CHECK_RET(json_print_member(ctx, node, 1));
475 }
Michal Vasko5233e962020-08-14 14:26:20 +0200476 ly_print_(ctx->out, "{%s", (DO_FORMAT ? "\n" : ""));
Radek Krejci5536d282020-08-04 23:27:44 +0200477 LEVEL_INC;
478 LY_CHECK_RET(json_print_metadata(ctx, node, wdmod));
479 LEVEL_DEC;
Michal Vasko5233e962020-08-14 14:26:20 +0200480 ly_print_(ctx->out, "%s%*s}", DO_FORMAT ? "\n" : "", INDENT);
Radek Krejci5536d282020-08-04 23:27:44 +0200481 LEVEL_PRINTED;
Michal Vasko22df3f02020-08-24 13:29:22 +0200482 } else if (!node->schema && ((struct lyd_node_opaq *)node)->attr) {
Radek Krejci5536d282020-08-04 23:27:44 +0200483 if (inner) {
Radek Krejci8df109d2021-04-23 12:19:08 +0200484 LY_CHECK_RET(json_print_member2(ctx, NULL, LY_VALUE_JSON, NULL, 1));
Radek Krejci5536d282020-08-04 23:27:44 +0200485 } else {
Michal Vasko22df3f02020-08-24 13:29:22 +0200486 LY_CHECK_RET(json_print_member2(ctx, node, ((struct lyd_node_opaq *)node)->format,
Michal Vaskoad92b672020-11-12 13:11:31 +0100487 &((struct lyd_node_opaq *)node)->name, 1));
Radek Krejci5536d282020-08-04 23:27:44 +0200488 }
Michal Vasko5233e962020-08-14 14:26:20 +0200489 ly_print_(ctx->out, "{%s", (DO_FORMAT ? "\n" : ""));
Radek Krejci5536d282020-08-04 23:27:44 +0200490 LEVEL_INC;
Michal Vasko22df3f02020-08-24 13:29:22 +0200491 LY_CHECK_RET(json_print_attribute(ctx, (struct lyd_node_opaq *)node, wdmod));
Radek Krejci5536d282020-08-04 23:27:44 +0200492 LEVEL_DEC;
Michal Vasko5233e962020-08-14 14:26:20 +0200493 ly_print_(ctx->out, "%s%*s}", DO_FORMAT ? "\n" : "", INDENT);
Radek Krejci5536d282020-08-04 23:27:44 +0200494 LEVEL_PRINTED;
495 }
496
497 return LY_SUCCESS;
498}
499
500/**
501 * @brief Print leaf data node including its metadata.
502 *
503 * @param[in] ctx JSON printer context.
504 * @param[in] node Data node to print.
505 * @return LY_ERR value.
506 */
507static LY_ERR
508json_print_leaf(struct jsonpr_ctx *ctx, const struct lyd_node *node)
509{
510 LY_CHECK_RET(json_print_member(ctx, node, 0));
Michal Vasko22df3f02020-08-24 13:29:22 +0200511 LY_CHECK_RET(json_print_value(ctx, &((const struct lyd_node_term *)node)->value));
Radek Krejci5536d282020-08-04 23:27:44 +0200512 LEVEL_PRINTED;
513
514 /* print attributes as sibling */
515 json_print_attributes(ctx, node, 0);
516
517 return LY_SUCCESS;
518}
519
520/**
Michal Vaskoca0b23b2022-01-06 11:40:10 +0100521 * @brief Print anydata/anyxml content.
Radek Krejci5536d282020-08-04 23:27:44 +0200522 *
523 * @param[in] ctx JSON printer context.
524 * @param[in] any Anydata node to print.
525 * @return LY_ERR value.
526 */
527static LY_ERR
Michal Vaskoca0b23b2022-01-06 11:40:10 +0100528json_print_any_content(struct jsonpr_ctx *ctx, struct lyd_node_any *any)
Radek Krejci5536d282020-08-04 23:27:44 +0200529{
530 LY_ERR ret = LY_SUCCESS;
531 struct lyd_node *iter;
Radek Krejci1deb5be2020-08-26 16:43:36 +0200532 uint32_t prev_opts, prev_lo;
Radek Krejci5536d282020-08-04 23:27:44 +0200533
Michal Vaskoca0b23b2022-01-06 11:40:10 +0100534 /* anyxml - printed as name/value pair;
535 * anydata - printed as an object */
536
Radek Krejci5536d282020-08-04 23:27:44 +0200537 if (!any->value.tree) {
538 /* no content */
Michal Vaskoca0b23b2022-01-06 11:40:10 +0100539 if (any->schema->nodetype == LYS_ANYXML) {
540 ly_print_(ctx->out, "null");
541 }
Radek Krejci5536d282020-08-04 23:27:44 +0200542 return LY_SUCCESS;
543 }
544
545 if (any->value_type == LYD_ANYDATA_LYB) {
Radek Krejci1deb5be2020-08-26 16:43:36 +0200546 uint32_t parser_options = LYD_PARSE_ONLY | LYD_PARSE_OPAQ | LYD_PARSE_STRICT;
Radek Krejci5536d282020-08-04 23:27:44 +0200547
548 /* turn logging off */
549 prev_lo = ly_log_options(0);
550
551 /* try to parse it into a data tree */
552 if (lyd_parse_data_mem(ctx->ctx, any->value.mem, LYD_LYB, parser_options, 0, &iter) == LY_SUCCESS) {
553 /* successfully parsed */
554 free(any->value.mem);
555 any->value.tree = iter;
556 any->value_type = LYD_ANYDATA_DATATREE;
557 }
558
559 /* turn loggin on again */
560 ly_log_options(prev_lo);
561 }
562
563 switch (any->value_type) {
564 case LYD_ANYDATA_DATATREE:
Michal Vaskoca0b23b2022-01-06 11:40:10 +0100565 if (any->schema->nodetype == LYS_ANYXML) {
566 /* print always as a string */
567 ly_print_(ctx->out, "\"%s", DO_FORMAT ? "\n" : "");
568 }
569
Radek Krejci5536d282020-08-04 23:27:44 +0200570 /* close opening tag and print data */
571 prev_opts = ctx->options;
572 ctx->options &= ~LYD_PRINT_WITHSIBLINGS;
573
574 LY_LIST_FOR(any->value.tree, iter) {
575 ret = json_print_node(ctx, iter);
576 LY_CHECK_ERR_RET(ret, LEVEL_DEC, ret);
577 }
578
579 ctx->options = prev_opts;
Michal Vaskoca0b23b2022-01-06 11:40:10 +0100580
581 if (any->schema->nodetype == LYS_ANYXML) {
582 /* terminate the string */
583 ly_print_(ctx->out, "\"");
584 }
Radek Krejci5536d282020-08-04 23:27:44 +0200585 break;
586 case LYD_ANYDATA_JSON:
587 /* print without escaping special characters */
Michal Vaskoca0b23b2022-01-06 11:40:10 +0100588 if (any->schema->nodetype == LYS_ANYXML) {
589 /* print as a string */
590 ly_print_(ctx->out, "\"%s\"", any->value.str);
591 } else if (any->value.str[0]) {
592 /* print with indent */
593 ly_print_(ctx->out, "%*s%s", INDENT, any->value.str);
Radek Krejci5536d282020-08-04 23:27:44 +0200594 }
Radek Krejci5536d282020-08-04 23:27:44 +0200595 break;
596 case LYD_ANYDATA_STRING:
597 case LYD_ANYDATA_XML:
Michal Vaskoca0b23b2022-01-06 11:40:10 +0100598 if (any->schema->nodetype == LYS_ANYXML) {
599 /* print as a string */
600 ly_print_(ctx->out, "\"%s\"", any->value.str);
601 break;
602 }
603 /* fallthrough */
Radek Krejci5536d282020-08-04 23:27:44 +0200604 case LYD_ANYDATA_LYB:
605 /* JSON and LYB format is not supported */
606 LOGWRN(ctx->ctx, "Unable to print anydata content (type %d) as XML.", any->value_type);
Michal Vaskoca0b23b2022-01-06 11:40:10 +0100607 break;
Radek Krejci5536d282020-08-04 23:27:44 +0200608 }
609
610 return LY_SUCCESS;
611}
612
613/**
Michal Vaskoca0b23b2022-01-06 11:40:10 +0100614 * @brief Print content of a single container/list/anydata data node including its metadata.
615 * The envelope specific to nodes are expected to be printed by the caller.
Radek Krejci5536d282020-08-04 23:27:44 +0200616 *
617 * @param[in] ctx JSON printer context.
618 * @param[in] node Data node to print.
619 * @return LY_ERR value.
620 */
621static LY_ERR
622json_print_inner(struct jsonpr_ctx *ctx, const struct lyd_node *node)
623{
624 struct lyd_node *child;
Radek Krejci857189e2020-09-01 13:26:36 +0200625 ly_bool has_content = 0;
Radek Krejci5536d282020-08-04 23:27:44 +0200626
Michal Vasko630d9892020-12-08 17:11:08 +0100627 LY_LIST_FOR(lyd_child(node), child) {
628 if (ly_should_print(child, ctx->options)) {
629 break;
630 }
631 }
632 if (node->meta || child) {
Radek Krejci5536d282020-08-04 23:27:44 +0200633 has_content = 1;
Michal Vasko22df3f02020-08-24 13:29:22 +0200634 } else if (node->schema && (node->schema->nodetype & LYD_NODE_ANY) && ((struct lyd_node_any *)node)->value.tree) {
Radek Krejci5536d282020-08-04 23:27:44 +0200635 has_content = 1;
636 }
637
Michal Vasko1a85d332021-08-27 10:35:28 +0200638 if ((node->schema && (node->schema->nodetype == LYS_LIST)) ||
639 (!node->schema && (((struct lyd_node_opaq *)node)->hints & LYD_NODEHINT_LIST))) {
640 ly_print_(ctx->out, "%s%*s{%s", (is_open_array(ctx, node) && ctx->level_printed >= ctx->level) ?
641 (DO_FORMAT ? ",\n" : ",") : "", INDENT, (DO_FORMAT && has_content) ? "\n" : "");
642 } else {
Michal Vasko5233e962020-08-14 14:26:20 +0200643 ly_print_(ctx->out, "%s{%s", (is_open_array(ctx, node) && ctx->level_printed >= ctx->level) ? "," : "",
Radek Krejci0f969882020-08-21 16:56:47 +0200644 (DO_FORMAT && has_content) ? "\n" : "");
Radek Krejci5536d282020-08-04 23:27:44 +0200645 }
646 LEVEL_INC;
647
648 json_print_attributes(ctx, node, 1);
649
650 if (!node->schema || !(node->schema->nodetype & LYS_ANYDATA)) {
651 /* print children */
Michal Vasko630d9892020-12-08 17:11:08 +0100652 LY_LIST_FOR(lyd_child(node), child) {
Radek Krejci5536d282020-08-04 23:27:44 +0200653 LY_CHECK_RET(json_print_node(ctx, child));
654 }
655 } else {
656 /* anydata */
Michal Vaskoca0b23b2022-01-06 11:40:10 +0100657 json_print_any_content(ctx, (struct lyd_node_any *)node);
Radek Krejci5536d282020-08-04 23:27:44 +0200658 }
659
Radek Krejci5536d282020-08-04 23:27:44 +0200660 LEVEL_DEC;
661 if (DO_FORMAT && has_content) {
Michal Vasko5233e962020-08-14 14:26:20 +0200662 ly_print_(ctx->out, "\n%*s}", INDENT);
Radek Krejci5536d282020-08-04 23:27:44 +0200663 } else {
Michal Vasko5233e962020-08-14 14:26:20 +0200664 ly_print_(ctx->out, "}");
Radek Krejci5536d282020-08-04 23:27:44 +0200665 }
666 LEVEL_PRINTED;
667
668 return LY_SUCCESS;
669}
670
671/**
672 * @brief Print container data node including its metadata.
673 *
674 * @param[in] ctx JSON printer context.
675 * @param[in] node Data node to print.
676 * @return LY_ERR value.
677 */
678static int
679json_print_container(struct jsonpr_ctx *ctx, const struct lyd_node *node)
680{
681 LY_CHECK_RET(json_print_member(ctx, node, 0));
682 LY_CHECK_RET(json_print_inner(ctx, node));
683
684 return LY_SUCCESS;
685}
686
687/**
Michal Vaskoca0b23b2022-01-06 11:40:10 +0100688 * @brief Print anyxml data node including its metadata.
689 *
690 * @param[in] ctx JSON printer context.
691 * @param[in] node Data node to print.
692 * @return LY_ERR value.
693 */
694static int
695json_print_anyxml(struct jsonpr_ctx *ctx, const struct lyd_node *node)
696{
697 LY_CHECK_RET(json_print_member(ctx, node, 0));
698 LY_CHECK_RET(json_print_any_content(ctx, (struct lyd_node_any *)node));
699 LEVEL_PRINTED;
700
701 /* print attributes as sibling */
702 json_print_attributes(ctx, node, 0);
703
704 return LY_SUCCESS;
705}
706
707/**
Michal Vaskob6b25302021-12-02 10:48:32 +0100708 * @brief Check whether a node is the last printed instance of a (leaf-)list.
709 *
710 * @param[in] ctx JSON printer context.
711 * @param[in] node Last printed node.
712 * @return Whether it is the last printed instance or not.
713 */
714static ly_bool
715json_print_array_is_last_inst(struct jsonpr_ctx *ctx, const struct lyd_node *node)
716{
Michal Vaskod3203372021-12-09 09:25:50 +0100717 if (!is_open_array(ctx, node)) {
718 /* no array open */
719 return 0;
720 }
721
Michal Vaskob6b25302021-12-02 10:48:32 +0100722 if ((ctx->root == node) && !(ctx->options & LYD_PRINT_WITHSIBLINGS)) {
723 /* the only printed instance */
724 return 1;
725 }
726
Michal Vaskod3203372021-12-09 09:25:50 +0100727 if (!node->next || (node->next->schema != node->schema)) {
Michal Vaskob6b25302021-12-02 10:48:32 +0100728 /* last instance */
729 return 1;
730 }
731
732 return 0;
733}
734
735/**
Radek Krejci5536d282020-08-04 23:27:44 +0200736 * @brief Print single leaf-list or list instance.
737 *
738 * In case of list, metadata are printed inside the list object. For the leaf-list,
739 * metadata are marked in the context for later printing after closing the array next to it using
740 * json_print_metadata_leaflist().
741 *
742 * @param[in] ctx JSON printer context.
743 * @param[in] node Data node to print.
744 * @return LY_ERR value.
745 */
746static LY_ERR
747json_print_leaf_list(struct jsonpr_ctx *ctx, const struct lyd_node *node)
748{
749 if (!is_open_array(ctx, node)) {
750 LY_CHECK_RET(json_print_member(ctx, node, 0));
Michal Vaskob0099a92020-08-31 14:55:23 +0200751 LY_CHECK_RET(json_print_array_open(ctx, node));
Radek Krejciee74a192021-04-09 09:55:34 +0200752 if (node->schema->nodetype == LYS_LEAFLIST) {
Christian Hoppsbe51c942021-04-02 16:29:51 -0400753 ly_print_(ctx->out, "%*s", INDENT);
Radek Krejciee74a192021-04-09 09:55:34 +0200754 }
Radek Krejci5536d282020-08-04 23:27:44 +0200755 } else if (node->schema->nodetype == LYS_LEAFLIST) {
Christian Hoppsbe51c942021-04-02 16:29:51 -0400756 ly_print_(ctx->out, ",%s%*s", DO_FORMAT ? "\n" : "", INDENT);
Radek Krejci5536d282020-08-04 23:27:44 +0200757 }
758
759 if (node->schema->nodetype == LYS_LIST) {
Radek Krejcia1c1e542020-09-29 16:06:52 +0200760 if (!lyd_child(node)) {
Radek Krejci5536d282020-08-04 23:27:44 +0200761 /* empty, e.g. in case of filter */
Michal Vasko5233e962020-08-14 14:26:20 +0200762 ly_print_(ctx->out, "%s%snull", (ctx->level_printed >= ctx->level) ? "," : "", DO_FORMAT ? " " : "");
Radek Krejci5536d282020-08-04 23:27:44 +0200763 LEVEL_PRINTED;
764 } else {
765 /* print list's content */
766 LY_CHECK_RET(json_print_inner(ctx, node));
767 }
768 } else {
769 assert(node->schema->nodetype == LYS_LEAFLIST);
Michal Vasko22df3f02020-08-24 13:29:22 +0200770 LY_CHECK_RET(json_print_value(ctx, &((const struct lyd_node_term *)node)->value));
Radek Krejci5536d282020-08-04 23:27:44 +0200771
772 if (node->meta && !ctx->print_sibling_metadata) {
773 ctx->print_sibling_metadata = node;
774 }
775 }
776
Michal Vaskob6b25302021-12-02 10:48:32 +0100777 if (json_print_array_is_last_inst(ctx, node)) {
Radek Krejci5536d282020-08-04 23:27:44 +0200778 json_print_array_close(ctx);
779 }
780
781 return LY_SUCCESS;
782}
783
784/**
785 * @brief Print leaf-list's metadata in case they were marked in the last call to json_print_leaf_list().
786 * This function is supposed to be called when the leaf-list array is closed.
787 *
788 * @param[in] ctx JSON printer context.
789 * @return LY_ERR value.
790 */
791static LY_ERR
792json_print_metadata_leaflist(struct jsonpr_ctx *ctx)
793{
794 const struct lyd_node *prev, *node, *iter;
795
796 if (!ctx->print_sibling_metadata) {
797 return LY_SUCCESS;
798 }
799
800 for (node = ctx->print_sibling_metadata, prev = ctx->print_sibling_metadata->prev;
801 prev->next && matching_node(node, prev);
802 node = prev, prev = node->prev) {}
803
804 /* node is the first instance of the leaf-list */
805
806 LY_CHECK_RET(json_print_member(ctx, node, 1));
Michal Vasko5233e962020-08-14 14:26:20 +0200807 ly_print_(ctx->out, "[%s", (DO_FORMAT ? "\n" : ""));
Radek Krejci5536d282020-08-04 23:27:44 +0200808 LEVEL_INC;
809 LY_LIST_FOR(node, iter) {
810 PRINT_COMMA;
811 if (iter->meta) {
Michal Vasko5233e962020-08-14 14:26:20 +0200812 ly_print_(ctx->out, "%*s%s", INDENT, DO_FORMAT ? "{\n" : "{");
Radek Krejci5536d282020-08-04 23:27:44 +0200813 LEVEL_INC;
814 LY_CHECK_RET(json_print_metadata(ctx, iter, NULL));
815 LEVEL_DEC;
Michal Vasko5233e962020-08-14 14:26:20 +0200816 ly_print_(ctx->out, "%s%*s}", DO_FORMAT ? "\n" : "", INDENT);
Radek Krejci5536d282020-08-04 23:27:44 +0200817 } else {
Michal Vasko5233e962020-08-14 14:26:20 +0200818 ly_print_(ctx->out, "null");
Radek Krejci5536d282020-08-04 23:27:44 +0200819 }
820 LEVEL_PRINTED;
821 if (!matching_node(iter, iter->next)) {
822 break;
823 }
824 }
825 LEVEL_DEC;
Michal Vasko5233e962020-08-14 14:26:20 +0200826 ly_print_(ctx->out, "%s%*s]", DO_FORMAT ? "\n" : "", INDENT);
Radek Krejci5536d282020-08-04 23:27:44 +0200827 LEVEL_PRINTED;
828
829 return LY_SUCCESS;
830}
831
832/**
833 * @brief Print opaq data node including its attributes.
834 *
835 * @param[in] ctx JSON printer context.
836 * @param[in] node Opaq node to print.
837 * @return LY_ERR value.
838 */
839static LY_ERR
840json_print_opaq(struct jsonpr_ctx *ctx, const struct lyd_node_opaq *node)
841{
Radek Krejci857189e2020-09-01 13:26:36 +0200842 ly_bool first = 1, last = 1;
Radek Krejci5536d282020-08-04 23:27:44 +0200843
Michal Vaskofeca4fb2020-10-05 08:58:40 +0200844 if (node->hints & (LYD_NODEHINT_LIST | LYD_NODEHINT_LEAFLIST)) {
Michal Vasko9e685082021-01-29 14:49:09 +0100845 if (node->prev->next && matching_node(node->prev, &node->node)) {
Radek Krejci5536d282020-08-04 23:27:44 +0200846 first = 0;
847 }
Michal Vasko9e685082021-01-29 14:49:09 +0100848 if (node->next && matching_node(&node->node, node->next)) {
Radek Krejci5536d282020-08-04 23:27:44 +0200849 last = 0;
850 }
851 }
852
853 if (first) {
Michal Vasko9e685082021-01-29 14:49:09 +0100854 LY_CHECK_RET(json_print_member2(ctx, lyd_parent(&node->node), node->format, &node->name, 0));
Radek Krejci5536d282020-08-04 23:27:44 +0200855
Michal Vaskofeca4fb2020-10-05 08:58:40 +0200856 if (node->hints & (LYD_NODEHINT_LIST | LYD_NODEHINT_LEAFLIST)) {
Michal Vasko9e685082021-01-29 14:49:09 +0100857 LY_CHECK_RET(json_print_array_open(ctx, &node->node));
Radek Krejci5536d282020-08-04 23:27:44 +0200858 }
Michal Vasko1a85d332021-08-27 10:35:28 +0200859 if (node->hints & LYD_NODEHINT_LEAFLIST) {
860 ly_print_(ctx->out, "%*s", INDENT);
861 }
862 } else if (node->hints & LYD_NODEHINT_LEAFLIST) {
863 ly_print_(ctx->out, ",%s%*s", DO_FORMAT ? "\n" : "", INDENT);
Radek Krejci5536d282020-08-04 23:27:44 +0200864 }
Michal Vasko1a85d332021-08-27 10:35:28 +0200865 if (node->child || (node->hints & LYD_NODEHINT_LIST)) {
Michal Vasko9e685082021-01-29 14:49:09 +0100866 LY_CHECK_RET(json_print_inner(ctx, &node->node));
Radek Krejci5536d282020-08-04 23:27:44 +0200867 LEVEL_PRINTED;
868 } else {
Michal Vaskofeca4fb2020-10-05 08:58:40 +0200869 if (node->hints & LYD_VALHINT_EMPTY) {
Michal Vasko5233e962020-08-14 14:26:20 +0200870 ly_print_(ctx->out, "[null]");
Michal Vaskofeca4fb2020-10-05 08:58:40 +0200871 } else if (node->hints & (LYD_VALHINT_BOOLEAN | LYD_VALHINT_DECNUM)) {
Michal Vasko5233e962020-08-14 14:26:20 +0200872 ly_print_(ctx->out, "%s", node->value);
Radek Krejci5536d282020-08-04 23:27:44 +0200873 } else {
874 /* string */
Michal Vasko5233e962020-08-14 14:26:20 +0200875 ly_print_(ctx->out, "\"%s\"", node->value);
Radek Krejci5536d282020-08-04 23:27:44 +0200876 }
877 LEVEL_PRINTED;
878
879 /* attributes */
Michal Vasko22df3f02020-08-24 13:29:22 +0200880 json_print_attributes(ctx, (const struct lyd_node *)node, 0);
Radek Krejci5536d282020-08-04 23:27:44 +0200881
882 }
Michal Vaskofeca4fb2020-10-05 08:58:40 +0200883 if (last && (node->hints & (LYD_NODEHINT_LIST | LYD_NODEHINT_LEAFLIST))) {
Radek Krejci5536d282020-08-04 23:27:44 +0200884 json_print_array_close(ctx);
Radek Krejci5536d282020-08-04 23:27:44 +0200885 LEVEL_PRINTED;
886 }
887
888 return LY_SUCCESS;
889}
890
891/**
892 * @brief Print all the types of data node including its metadata.
893 *
894 * @param[in] ctx JSON printer context.
895 * @param[in] node Data node to print.
896 * @return LY_ERR value.
897 */
898static LY_ERR
899json_print_node(struct jsonpr_ctx *ctx, const struct lyd_node *node)
900{
901 if (!ly_should_print(node, ctx->options)) {
Michal Vaskob6b25302021-12-02 10:48:32 +0100902 if (json_print_array_is_last_inst(ctx, node)) {
Radek Krejci5536d282020-08-04 23:27:44 +0200903 json_print_array_close(ctx);
904 }
905 return LY_SUCCESS;
906 }
907
908 if (!node->schema) {
909 LY_CHECK_RET(json_print_opaq(ctx, (const struct lyd_node_opaq *)node));
910 } else {
911 switch (node->schema->nodetype) {
912 case LYS_RPC:
913 case LYS_ACTION:
914 case LYS_NOTIF:
Michal Vaskoca0b23b2022-01-06 11:40:10 +0100915 case LYS_ANYDATA:
Radek Krejci5536d282020-08-04 23:27:44 +0200916 case LYS_CONTAINER:
917 LY_CHECK_RET(json_print_container(ctx, node));
918 break;
919 case LYS_LEAF:
920 LY_CHECK_RET(json_print_leaf(ctx, node));
921 break;
922 case LYS_LEAFLIST:
923 case LYS_LIST:
924 LY_CHECK_RET(json_print_leaf_list(ctx, node));
925 break;
926 case LYS_ANYXML:
Michal Vaskoca0b23b2022-01-06 11:40:10 +0100927 LY_CHECK_RET(json_print_anyxml(ctx, node));
Radek Krejci5536d282020-08-04 23:27:44 +0200928 break;
929 default:
930 LOGINT(node->schema->module->ctx);
931 return EXIT_FAILURE;
932 }
933 }
934
935 ctx->level_printed = ctx->level;
936
937 if (ctx->print_sibling_metadata && !matching_node(node->next, ctx->print_sibling_metadata)) {
938 json_print_metadata_leaflist(ctx);
939 ctx->print_sibling_metadata = NULL;
940 }
941
942 return LY_SUCCESS;
943}
944
945LY_ERR
Radek Krejci1deb5be2020-08-26 16:43:36 +0200946json_print_data(struct ly_out *out, const struct lyd_node *root, uint32_t options)
Radek Krejci5536d282020-08-04 23:27:44 +0200947{
948 const struct lyd_node *node;
949 struct jsonpr_ctx ctx = {0};
Radek Krejci52f65552020-09-01 17:03:35 +0200950 const char *delimiter = (options & LYD_PRINT_SHRINK) ? "" : "\n";
Radek Krejci5536d282020-08-04 23:27:44 +0200951
Radek Krejci2e874772020-08-28 16:36:33 +0200952 if (!root) {
953 ly_print_(out, "{}%s", delimiter);
954 ly_print_flush(out);
955 return LY_SUCCESS;
956 }
957
Radek Krejci5536d282020-08-04 23:27:44 +0200958 ctx.out = out;
959 ctx.level = 1;
960 ctx.level_printed = 0;
961 ctx.options = options;
Michal Vaskob7be7a82020-08-20 09:09:04 +0200962 ctx.ctx = LYD_CTX(root);
Radek Krejci5536d282020-08-04 23:27:44 +0200963
964 /* start */
Michal Vasko5233e962020-08-14 14:26:20 +0200965 ly_print_(ctx.out, "{%s", delimiter);
Radek Krejci5536d282020-08-04 23:27:44 +0200966
967 /* content */
968 LY_LIST_FOR(root, node) {
Michal Vaskob6b25302021-12-02 10:48:32 +0100969 ctx.root = node;
Radek Krejci5536d282020-08-04 23:27:44 +0200970 LY_CHECK_RET(json_print_node(&ctx, node));
971 if (!(options & LYD_PRINT_WITHSIBLINGS)) {
972 break;
973 }
974 }
975
976 /* end */
Michal Vasko5233e962020-08-14 14:26:20 +0200977 ly_print_(out, "%s}%s", delimiter, delimiter);
Radek Krejci5536d282020-08-04 23:27:44 +0200978
979 assert(!ctx.open.count);
980 ly_set_erase(&ctx.open, NULL);
981
982 ly_print_flush(out);
983 return LY_SUCCESS;
984}