/** * @file parser_yin.c * @author David Sedlák * @author Michal Vasko * @brief YIN parser. * * Copyright (c) 2015 - 2022 CESNET, z.s.p.o. * * This source code is licensed under BSD 3-Clause License (the "License"). * You may not use this file except in compliance with the License. * You may obtain a copy of the License at * * https://opensource.org/licenses/BSD-3-Clause */ #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include "compat.h" #include "context.h" #include "dict.h" #include "in.h" #include "in_internal.h" #include "log.h" #include "ly_common.h" #include "parser_internal.h" #include "parser_schema.h" #include "path.h" #include "set.h" #include "tree.h" #include "tree_data_internal.h" #include "tree_edit.h" #include "tree_schema.h" #include "tree_schema_internal.h" #include "xml.h" struct lys_glob_unres; /** * @brief check if given string is URI of yin namespace. * * @param ns Namespace URI to check. * * @return true if ns equals YIN_NS_URI false otherwise. */ #define IS_YIN_NS(ns) (strcmp(ns, YIN_NS_URI) == 0) enum yin_argument { YIN_ARG_UNKNOWN = 0, /**< parsed argument can not be matched with any supported yin argument keyword */ YIN_ARG_NAME, /**< argument name */ YIN_ARG_TARGET_NODE, /**< argument target-node */ YIN_ARG_MODULE, /**< argument module */ YIN_ARG_VALUE, /**< argument value */ YIN_ARG_TEXT, /**< argument text */ YIN_ARG_CONDITION, /**< argument condition */ YIN_ARG_URI, /**< argument uri */ YIN_ARG_DATE, /**< argument data */ YIN_ARG_TAG, /**< argument tag */ YIN_ARG_NONE /**< empty (special value) */ }; const char * const yin_attr_list[] = { [YIN_ARG_NAME] = "name", [YIN_ARG_TARGET_NODE] = "target-node", [YIN_ARG_MODULE] = "module", [YIN_ARG_VALUE] = "value", [YIN_ARG_TEXT] = "text", [YIN_ARG_CONDITION] = "condition", [YIN_ARG_URI] = "uri", [YIN_ARG_DATE] = "date", [YIN_ARG_TAG] = "tag", [YIN_ARG_NONE] = "none", }; #define yin_attr2str(STMT) yin_attr_list[STMT] #define VALID_VALS1 " Only valid value is \"%s\"." #define VALID_VALS2 " Valid values are \"%s\" and \"%s\"." #define VALID_VALS3 " Valid values are \"%s\", \"%s\" and \"%s\"." #define VALID_VALS4 " Valid values are \"%s\", \"%s\", \"%s\" and \"%s\"." /* shortcut to determin if keyword can in general be subelement of deviation regardles of it's type */ #define isdevsub(kw) (kw == LY_STMT_CONFIG || kw == LY_STMT_DEFAULT || kw == LY_STMT_MANDATORY || \ kw == LY_STMT_MAX_ELEMENTS || kw == LY_STMT_MIN_ELEMENTS || \ kw == LY_STMT_MUST || kw == LY_STMT_TYPE || kw == LY_STMT_UNIQUE || \ kw == LY_STMT_UNITS || kw == LY_STMT_EXTENSION_INSTANCE) /* flags to set constraints of subelements */ #define YIN_SUBELEM_MANDATORY 0x01 /**< is set when subelement is mandatory */ #define YIN_SUBELEM_UNIQUE 0x02 /**< is set when subelement is unique */ #define YIN_SUBELEM_FIRST 0x04 /**< is set when subelement is actually yang argument mapped to yin element */ #define YIN_SUBELEM_VER2 0x08 /**< subelemnt is allowed only in modules with version at least 2 (YANG 1.1) */ #define YIN_SUBELEM_PARSED 0x80 /**< is set during parsing when given subelement is encountered for the first time to simply check validity of given constraints */ struct yin_subelement { enum ly_stmt type; /**< type of keyword */ void *dest; /**< meta infromation passed to responsible function (mostly information about where parsed subelement should be stored) */ uint16_t flags; /**< describes constraints of subelement can be set to YIN_SUBELEM_MANDATORY, YIN_SUBELEM_UNIQUE, YIN_SUBELEM_FIRST, YIN_SUBELEM_VER2, and YIN_SUBELEM_DEFAULT_TEXT */ }; /* Meta information passed to yin_parse_argument function, holds information about where content of argument element will be stored. */ struct yin_argument_meta { uint16_t *flags; /**< Argument flags */ const char **argument; /**< Argument value */ }; /** * @brief Meta information passed to functions working with tree_schema, * that require additional information about parent node. */ struct tree_node_meta { struct lysp_node *parent; /**< parent node */ struct lysp_node **nodes; /**< linked list of siblings */ }; /** * @brief Meta information passed to yin_parse_import function. */ struct import_meta { const char *prefix; /**< module prefix. */ struct lysp_import **imports; /**< imports to add to. */ }; /** * @brief Meta information passed to yin_parse_include function. */ struct include_meta { const char *name; /**< Module/submodule name. */ struct lysp_include **includes; /**< [Sized array](@ref sizedarrays) of parsed includes to add to. */ }; /** * @brief Meta information passed to yin_parse_inout function. */ struct inout_meta { struct lysp_node *parent; /**< Parent node. */ struct lysp_node_action_inout *inout_p; /**< inout_p Input/output pointer to write to. */ }; /** * @brief Meta information passed to yin_parse_minmax function. */ struct minmax_dev_meta { uint32_t *lim; /**< min/max value to write to. */ uint16_t *flags; /**< min/max flags to write to. */ struct lysp_ext_instance **exts; /**< extension instances to add to. */ }; LY_ERR yin_parse_content(struct lysp_yin_ctx *ctx, struct yin_subelement *subelem_info, size_t subelem_info_size, const void *parent, enum ly_stmt parent_stmt, const char **text_content, struct lysp_ext_instance **exts); /** * @brief Match yang keyword from yin data. * * @param[in,out] ctx Yin parser context for logging and to store current state. * @param[in] name Start of keyword name * @param[in] name_len Lenght of keyword name. * @param[in] prefix Start of keyword prefix. * @param[in] prefix_len Lenght of prefix. * @param[in] parent Identification of parent element, use LY_STMT_NONE for elements without parent. * @return yang_keyword values. */ enum ly_stmt yin_match_keyword(struct lysp_yin_ctx *ctx, const char *name, size_t name_len, const char *prefix, size_t prefix_len, enum ly_stmt parent) { const char *start = NULL; enum ly_stmt kw = LY_STMT_NONE; const struct lyxml_ns *ns = NULL; struct ly_in *in; if (!name || (name_len == 0)) { return LY_STMT_NONE; } ns = lyxml_ns_get(&ctx->xmlctx->ns, prefix, prefix_len); if (ns) { if (!IS_YIN_NS(ns->uri)) { return LY_STMT_EXTENSION_INSTANCE; } } else { /* elements without namespace are automatically unknown */ return LY_STMT_NONE; } LY_CHECK_RET(ly_in_new_memory(name, &in), LY_STMT_NONE); start = in->current; kw = lysp_match_kw(in, NULL); name = in->current; ly_in_free(in, 0); if (name - start == (long)name_len) { /* this is done because of collision in yang statement value and yang argument mapped to yin element value */ if ((kw == LY_STMT_VALUE) && (parent == LY_STMT_ERROR_MESSAGE)) { return LY_STMT_ARG_VALUE; } return kw; } else { if (strncmp(start, "text", name_len) == 0) { return LY_STMT_ARG_TEXT; } else { return LY_STMT_NONE; } } } /** * @brief Match argument name. * * @param[in] name String representing name. * @param[in] len Lenght of the name. * @return yin_argument values. */ enum yin_argument yin_match_argument_name(const char *name, size_t len) { enum yin_argument arg = YIN_ARG_UNKNOWN; size_t already_read = 0; LY_CHECK_RET(len == 0, YIN_ARG_NONE); #define READ_INC(LEN) already_read += LEN #define ARG_SET(STMT) arg=STMT #define ARG_CHECK(STR, LEN) (!strncmp((name) + already_read, STR, LEN) && (READ_INC(LEN))) switch (*name) { case 'c': READ_INC(1); if (ARG_CHECK("ondition", 8)) { ARG_SET(YIN_ARG_CONDITION); } break; case 'd': READ_INC(1); if (ARG_CHECK("ate", 3)) { ARG_SET(YIN_ARG_DATE); } break; case 'm': READ_INC(1); if (ARG_CHECK("odule", 5)) { ARG_SET(YIN_ARG_MODULE); } break; case 'n': READ_INC(1); if (ARG_CHECK("ame", 3)) { ARG_SET(YIN_ARG_NAME); } break; case 't': READ_INC(1); if (ARG_CHECK("a", 1)) { if (ARG_CHECK("g", 1)) { ARG_SET(YIN_ARG_TAG); } else if (ARG_CHECK("rget-node", 9)) { ARG_SET(YIN_ARG_TARGET_NODE); } } else if (ARG_CHECK("ext", 3)) { ARG_SET(YIN_ARG_TEXT); } break; case 'u': READ_INC(1); if (ARG_CHECK("ri", 2)) { ARG_SET(YIN_ARG_URI); } break; case 'v': READ_INC(1); if (ARG_CHECK("alue", 4)) { ARG_SET(YIN_ARG_VALUE); } break; } /* whole argument must be matched */ if (already_read != len) { arg = YIN_ARG_UNKNOWN; } #undef ARG_CHECK #undef ARG_SET #undef READ_INC return arg; } #define IS_NODE_ELEM(kw) (kw == LY_STMT_ANYXML || kw == LY_STMT_ANYDATA || kw == LY_STMT_LEAF || kw == LY_STMT_LEAF_LIST || \ kw == LY_STMT_TYPEDEF || kw == LY_STMT_USES || kw == LY_STMT_LIST || kw == LY_STMT_NOTIFICATION || \ kw == LY_STMT_GROUPING || kw == LY_STMT_CONTAINER || kw == LY_STMT_CASE || kw == LY_STMT_CHOICE || \ kw == LY_STMT_ACTION || kw == LY_STMT_RPC || kw == LY_STMT_AUGMENT) #define HAS_META(kw) (IS_NODE_ELEM(kw) || kw == LY_STMT_IMPORT || kw == LY_STMT_INCLUDE || kw == LY_STMT_INPUT || kw == LY_STMT_OUTPUT) /** * @brief Free subelems information allocated on heap. * * @param[in] count Size of subelems array. * @param[in] subelems Subelems array to free. */ static void subelems_deallocator(size_t count, struct yin_subelement *subelems) { for (size_t i = 0; i < count; ++i) { if (HAS_META(subelems[i].type)) { free(subelems[i].dest); } } free(subelems); } /** * @brief Allocate subelems information on heap. * * @param[in] ctx YIN parser context, used for logging. * @param[in] count Number of subelements. * @param[in] parent Parent node if any. * @param[out] result Allocated subelems array. * @return LY_ERR values. */ static LY_ERR subelems_allocator(struct lysp_yin_ctx *ctx, size_t count, struct lysp_node *parent, struct yin_subelement **result, ...) { va_list ap; *result = calloc(count, sizeof **result); LY_CHECK_GOTO(!(*result), mem_err); va_start(ap, result); for (size_t i = 0; i < count; ++i) { /* TYPE */ (*result)[i].type = va_arg(ap, enum ly_stmt); /* DEST */ if (IS_NODE_ELEM((*result)[i].type)) { struct tree_node_meta *node_meta = NULL; node_meta = calloc(1, sizeof *node_meta); LY_CHECK_GOTO(!node_meta, mem_err); node_meta->parent = parent; node_meta->nodes = va_arg(ap, void *); (*result)[i].dest = node_meta; } else if ((*result)[i].type == LY_STMT_IMPORT) { struct import_meta *imp_meta = NULL; imp_meta = calloc(1, sizeof *imp_meta); LY_CHECK_GOTO(!imp_meta, mem_err); imp_meta->prefix = va_arg(ap, const char *); imp_meta->imports = va_arg(ap, struct lysp_import **); (*result)[i].dest = imp_meta; } else if ((*result)[i].type == LY_STMT_INCLUDE) { struct include_meta *inc_meta = NULL; inc_meta = calloc(1, sizeof *inc_meta); LY_CHECK_GOTO(!inc_meta, mem_err); inc_meta->name = va_arg(ap, const char *); inc_meta->includes = va_arg(ap, struct lysp_include **); (*result)[i].dest = inc_meta; } else if (((*result)[i].type == LY_STMT_INPUT) || ((*result)[i].type == LY_STMT_OUTPUT)) { struct inout_meta *inout_meta = NULL; inout_meta = calloc(1, sizeof *inout_meta); LY_CHECK_GOTO(!inout_meta, mem_err); inout_meta->parent = parent; inout_meta->inout_p = va_arg(ap, struct lysp_node_action_inout *); (*result)[i].dest = inout_meta; } else { (*result)[i].dest = va_arg(ap, void *); } /* FLAGS */ (*result)[i].flags = va_arg(ap, int); } va_end(ap); return LY_SUCCESS; mem_err: subelems_deallocator(count, *result); LOGMEM(ctx->xmlctx->ctx); return LY_EMEM; } /** * @brief Check that val is valid UTF8 character sequence of val_type. * Doesn't check empty string, only character validity. * * @param[in] ctx Yin parser context for logging. * @param[in] val_type Type of the input string to select method of checking character validity. * @return LY_ERR values. */ LY_ERR yin_validate_value(struct lysp_yin_ctx *ctx, enum yang_arg val_type) { uint8_t prefix = 0; uint32_t c; size_t utf8_char_len, already_read = 0; const char *val; assert((ctx->xmlctx->status == LYXML_ELEM_CONTENT) || (ctx->xmlctx->status == LYXML_ATTR_CONTENT)); val = ctx->xmlctx->value; while (already_read < ctx->xmlctx->value_len) { LY_CHECK_ERR_RET(ly_getutf8((const char **)&val, &c, &utf8_char_len), LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INCHAR, (val)[-utf8_char_len]), LY_EVALID); switch (val_type) { case Y_IDENTIF_ARG: LY_CHECK_RET(lysp_check_identifierchar((struct lysp_ctx *)ctx, c, already_read ? 0 : 1, NULL)); break; case Y_PREF_IDENTIF_ARG: LY_CHECK_RET(lysp_check_identifierchar((struct lysp_ctx *)ctx, c, already_read ? 0 : 1, &prefix)); break; case Y_STR_ARG: case Y_MAYBE_STR_ARG: LY_CHECK_RET(lysp_check_stringchar((struct lysp_ctx *)ctx, c)); break; } already_read += utf8_char_len; LY_CHECK_ERR_RET(already_read > ctx->xmlctx->value_len, LOGINT(ctx->xmlctx->ctx), LY_EINT); } if ((already_read == 0) && ((val_type == Y_PREF_IDENTIF_ARG) || (val_type == Y_IDENTIF_ARG))) { /* Empty identifier or prefix*/ LOGVAL_PARSER(ctx, LYVE_SYNTAX_YIN, "Empty identifier is not allowed."); return LY_EVALID; } return LY_SUCCESS; } /** * @brief Parse yin attributes. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] arg_type Type of argument that is expected in parsed element (use YIN_ARG_NONE for elements without * special argument). * @param[out] arg_val Where value of argument should be stored. Can be NULL iff arg_type is specified as YIN_ARG_NONE. * @param[in] val_type Type of expected value of attribute. * @param[in] current_element Identification of current element, used for logging. * @return LY_ERR values. */ static LY_ERR yin_parse_attribute(struct lysp_yin_ctx *ctx, enum yin_argument arg_type, const char **arg_val, enum yang_arg val_type, enum ly_stmt current_element) { enum yin_argument arg = YIN_ARG_UNKNOWN; bool found = false; /* validation of attributes */ while (ctx->xmlctx->status == LYXML_ATTRIBUTE) { /* yin arguments represented as attributes have no namespace, which in this case means no prefix */ if (!ctx->xmlctx->prefix) { arg = yin_match_argument_name(ctx->xmlctx->name, ctx->xmlctx->name_len); if (arg == YIN_ARG_NONE) { /* skip it */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); } else if (arg == arg_type) { LY_CHECK_ERR_RET(found, LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_DUP_ATTR, yin_attr2str(arg), lyplg_ext_stmt2str(current_element)), LY_EVALID); found = true; /* go to value */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_validate_value(ctx, val_type)); INSERT_STRING_RET(ctx->xmlctx->ctx, ctx->xmlctx->value, ctx->xmlctx->value_len, ctx->xmlctx->dynamic, *arg_val); LY_CHECK_RET(!(*arg_val), LY_EMEM); } else { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_UNEXP_ATTR, (int)ctx->xmlctx->name_len, ctx->xmlctx->name, lyplg_ext_stmt2str(current_element)); return LY_EVALID; } } else { /* skip it */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); } /* next attribute */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); } /* anything else than Y_MAYBE_STR_ARG is mandatory */ if ((val_type != Y_MAYBE_STR_ARG) && !found) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LYVE_SYNTAX_YIN, "Missing mandatory attribute %s of %s element.", yin_attr2str(arg_type), lyplg_ext_stmt2str(current_element)); return LY_EVALID; } return LY_SUCCESS; } /** * @brief Get record with given type. * * @param[in] type Type of wanted record. * @param[in] array_size Size of array. * @param[in] array Searched array. * @return Pointer to desired record on success, NULL if element is not in the array. */ static struct yin_subelement * get_record(enum ly_stmt type, LY_ARRAY_COUNT_TYPE array_size, struct yin_subelement *array) { for (LY_ARRAY_COUNT_TYPE u = 0; u < array_size; ++u) { if (array[u].type == type) { return &array[u]; } } return NULL; } /** * @brief Helper function to check mandatory constraint of subelement. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] subelem_info Array of information about subelements. * @param[in] subelem_info_size Size of subelem_info array. * @param[in] current_element Identification of element that is currently being parsed, used for logging. * @return LY_ERR values. */ static LY_ERR yin_check_subelem_mandatory_constraint(struct lysp_yin_ctx *ctx, struct yin_subelement *subelem_info, signed char subelem_info_size, enum ly_stmt current_element) { for (signed char i = 0; i < subelem_info_size; ++i) { /* if there is element that is mandatory and isn't parsed log error and return LY_EVALID */ if ((subelem_info[i].flags & YIN_SUBELEM_MANDATORY) && !(subelem_info[i].flags & YIN_SUBELEM_PARSED)) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_MAND_SUBELEM, lyplg_ext_stmt2str(subelem_info[i].type), lyplg_ext_stmt2str(current_element)); return LY_EVALID; } } return LY_SUCCESS; } /** * @brief Helper function to check "first" constraint of subelement. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] subelem_info Array of information about subelements. * @param[in] subelem_info_size Size of subelem_info array. * @param[in] current_element Identification of element that is currently being parsed, used for logging. * @param[in] exp_first Record in subelem_info array that is expected to be defined as first subelement, used for logging. * @return LY_ERR values. */ static LY_ERR yin_check_subelem_first_constraint(struct lysp_yin_ctx *ctx, struct yin_subelement *subelem_info, signed char subelem_info_size, enum ly_stmt current_element, struct yin_subelement *exp_first) { for (signed char i = 0; i < subelem_info_size; ++i) { if (subelem_info[i].flags & YIN_SUBELEM_PARSED) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_FIRT_SUBELEM, lyplg_ext_stmt2str(exp_first->type), lyplg_ext_stmt2str(current_element)); return LY_EVALID; } } return LY_SUCCESS; } /** * @brief Parse simple element without any special constraints and argument mapped to yin attribute, * for example prefix or namespace element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] parent Current statement parent. * @param[in] parent_stmt Type of @p parent statement. * @param[out] value Where value of attribute should be stored. * @param[in] arg_type Expected type of attribute. * @param[in] arg_val_type Type of expected value of attribute. * @param[in,out] exts Extension instances to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_simple_element(struct lysp_yin_ctx *ctx, const void *parent, enum ly_stmt parent_stmt, const char **value, enum yin_argument arg_type, enum yang_arg arg_val_type, struct lysp_ext_instance **exts) { struct yin_subelement subelems[] = { {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, arg_type, value, arg_val_type, parent_stmt)); return yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), parent, parent_stmt, NULL, exts); } /** * @brief Parse path element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[out] type Type structure to store parsed value, flags and extension instances. * @return LY_ERR values. */ static LY_ERR yin_parse_path(struct lysp_yin_ctx *ctx, struct lysp_type *type) { LY_ERR ret; const char *str_path; LY_CHECK_RET(yin_parse_simple_element(ctx, type, LY_STMT_PATH, &str_path, YIN_ARG_VALUE, Y_STR_ARG, &type->exts)); ret = ly_path_parse(ctx->xmlctx->ctx, NULL, str_path, 0, 1, LY_PATH_BEGIN_EITHER, LY_PATH_PREFIX_OPTIONAL, LY_PATH_PRED_LEAFREF, &type->path); lydict_remove(ctx->xmlctx->ctx, str_path); LY_CHECK_RET(ret); type->flags |= LYS_SET_PATH; return LY_SUCCESS; } /** * @brief Add extension array to context exts instances. * * @param[in] ctx YIN parser context. * @param[in] exts Parsed extension array that is final (no realloc anymore). * @return LY_ERR value. */ static LY_ERR yin_unres_exts_add(struct lysp_yin_ctx *ctx, struct lysp_ext_instance *exts) { if (!exts) { return LY_SUCCESS; } return ly_set_add(&ctx->main_ctx->ext_inst, exts, 1, NULL); } /** * @brief Parse pattern element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] type Type structure to store parsed value, flags and extension instances. * @return LY_ERR values. */ static LY_ERR yin_parse_pattern(struct lysp_yin_ctx *ctx, struct lysp_type *type) { const char *real_value = NULL; char *saved_value = NULL; struct lysp_restr *restr; LY_ARRAY_NEW_RET(ctx->xmlctx->ctx, type->patterns, restr, LY_EMEM); LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_VALUE, &real_value, Y_STR_ARG, LY_STMT_PATTERN)); size_t len = strlen(real_value); saved_value = malloc(len + 2); LY_CHECK_ERR_RET(!saved_value, LOGMEM(ctx->xmlctx->ctx), LY_EMEM); memmove(saved_value + 1, real_value, len); lydict_remove(ctx->xmlctx->ctx, real_value); saved_value[0] = LYSP_RESTR_PATTERN_ACK; saved_value[len + 1] = '\0'; LY_CHECK_RET(lydict_insert_zc(ctx->xmlctx->ctx, saved_value, &restr->arg.str)); restr->arg.mod = PARSER_CUR_PMOD(ctx); type->flags |= LYS_SET_PATTERN; struct yin_subelement subelems[] = { {LY_STMT_DESCRIPTION, &restr->dsc, YIN_SUBELEM_UNIQUE}, {LY_STMT_ERROR_APP_TAG, &restr->eapptag, YIN_SUBELEM_UNIQUE}, {LY_STMT_ERROR_MESSAGE, &restr->emsg, YIN_SUBELEM_UNIQUE}, {LY_STMT_MODIFIER, &restr->arg, YIN_SUBELEM_UNIQUE}, {LY_STMT_REFERENCE, &restr->ref, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), restr, LY_STMT_PATTERN, NULL, &restr->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, restr->exts)); return LY_SUCCESS; } /** * @brief Parse fraction-digits element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] type Type structure to store value, flags and extension instances. * @return LY_ERR values. */ static LY_ERR yin_parse_fracdigits(struct lysp_yin_ctx *ctx, struct lysp_type *type) { const char *temp_val = NULL; char *ptr; unsigned long long num; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_VALUE, &temp_val, Y_STR_ARG, LY_STMT_FRACTION_DIGITS)); if ((temp_val[0] == '\0') || (temp_val[0] == '0') || !isdigit(temp_val[0])) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN, temp_val, "value", "fraction-digits"); lydict_remove(ctx->xmlctx->ctx, temp_val); return LY_EVALID; } errno = 0; num = strtoull(temp_val, &ptr, LY_BASE_DEC); if (*ptr != '\0') { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN, temp_val, "value", "fraction-digits"); lydict_remove(ctx->xmlctx->ctx, temp_val); return LY_EVALID; } if ((errno == ERANGE) || (num > LY_TYPE_DEC64_FD_MAX)) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN, temp_val, "value", "fraction-digits"); lydict_remove(ctx->xmlctx->ctx, temp_val); return LY_EVALID; } lydict_remove(ctx->xmlctx->ctx, temp_val); type->fraction_digits = num; type->flags |= LYS_SET_FRDIGITS; struct yin_subelement subelems[] = { {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), type, LY_STMT_FRACTION_DIGITS, NULL, &type->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, type->exts)); return LY_SUCCESS; } /** * @brief Parse enum element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] type Type structure to store parsed value, flags and extension instances. * @return LY_ERR values. */ static LY_ERR yin_parse_enum(struct lysp_yin_ctx *ctx, struct lysp_type *type) { struct lysp_type_enum *en; LY_ARRAY_NEW_RET(ctx->xmlctx->ctx, type->enums, en, LY_EMEM); type->flags |= LYS_SET_ENUM; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, &en->name, Y_STR_ARG, LY_STMT_ENUM)); LY_CHECK_RET(lysp_check_enum_name((struct lysp_ctx *)ctx, en->name, strlen(en->name))); CHECK_NONEMPTY((struct lysp_ctx *)ctx, strlen(en->name), "enum"); CHECK_UNIQUENESS((struct lysp_ctx *)ctx, type->enums, name, "enum", en->name); struct yin_subelement subelems[] = { {LY_STMT_DESCRIPTION, &en->dsc, YIN_SUBELEM_UNIQUE}, {LY_STMT_IF_FEATURE, &en->iffeatures, 0}, {LY_STMT_REFERENCE, &en->ref, YIN_SUBELEM_UNIQUE}, {LY_STMT_STATUS, &en->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_VALUE, en, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), en, LY_STMT_ENUM, NULL, &en->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, en->exts)); return LY_SUCCESS; } /** * @brief Parse bit element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] type Type structure to store parsed value, flags and extension instances. * @return LY_ERR values. */ static LY_ERR yin_parse_bit(struct lysp_yin_ctx *ctx, struct lysp_type *type) { struct lysp_type_enum *en; LY_ARRAY_NEW_RET(ctx->xmlctx->ctx, type->bits, en, LY_EMEM); type->flags |= LYS_SET_BIT; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, &en->name, Y_IDENTIF_ARG, LY_STMT_BIT)); CHECK_UNIQUENESS((struct lysp_ctx *)ctx, type->bits, name, "bit", en->name); struct yin_subelement subelems[] = { {LY_STMT_DESCRIPTION, &en->dsc, YIN_SUBELEM_UNIQUE}, {LY_STMT_IF_FEATURE, &en->iffeatures, 0}, {LY_STMT_POSITION, en, YIN_SUBELEM_UNIQUE}, {LY_STMT_REFERENCE, &en->ref, YIN_SUBELEM_UNIQUE}, {LY_STMT_STATUS, &en->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), en, LY_STMT_BIT, NULL, &en->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, en->exts)); return LY_SUCCESS; } /** * @brief Parse simple element without any special constraints and argument mapped to yin attribute, that can have * more instances, such as base or if-feature. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] parent_stmt Type of parent statement. * @param[out] values Parsed values to add to. * @param[in] arg_type Expected type of attribute. * @param[in] arg_val_type Type of expected value of attribute. * @param[in,out] exts Extension instances to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_simple_elements(struct lysp_yin_ctx *ctx, enum ly_stmt parent_stmt, const char ***values, enum yin_argument arg_type, enum yang_arg arg_val_type, struct lysp_ext_instance **exts) { const char **value; LY_ARRAY_COUNT_TYPE index = LY_ARRAY_COUNT(*values); struct yin_subelement subelems[] = { {LY_STMT_EXTENSION_INSTANCE, &index, 0} }; LY_ARRAY_NEW_RET(ctx->xmlctx->ctx, *values, value, LY_EMEM); LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, arg_type, value, arg_val_type, parent_stmt)); LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), *values, parent_stmt, NULL, exts)); return LY_SUCCESS; } /** * @brief Parse simple element without any special constraints and argument mapped to yin attribute. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] parent Current statement parent. * @param[in] parent_stmt Type of @p parent statement. * @param[in] subinfo Information about subelement, is used to determin which function should be called and where to store parsed value. * @param[in] arg_type Expected type of attribute. * @param[in] arg_val_type Type of expected value of attribute. * @param[in,out] exts Extension instances to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_simple_elem(struct lysp_yin_ctx *ctx, const void *parent, enum ly_stmt parent_stmt, struct yin_subelement *subinfo, enum yin_argument arg_type, enum yang_arg arg_val_type, struct lysp_ext_instance **exts) { if (subinfo->flags & YIN_SUBELEM_UNIQUE) { LY_CHECK_RET(yin_parse_simple_element(ctx, parent, parent_stmt, (const char **)subinfo->dest, arg_type, arg_val_type, exts)); } else { LY_CHECK_RET(yin_parse_simple_elements(ctx, parent_stmt, (const char ***)subinfo->dest, arg_type, arg_val_type, exts)); } return LY_SUCCESS; } /** * @brief Parse base element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] parent_stmt Type of parent statement. * @param[out] dest Where parsed values should be stored. * @param[in,out] exts Extension instances to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_base(struct lysp_yin_ctx *ctx, enum ly_stmt parent_stmt, void *dest, struct lysp_ext_instance **exts) { struct lysp_type *type; if (parent_stmt == LY_STMT_TYPE) { type = (struct lysp_type *)dest; LY_CHECK_RET(yin_parse_simple_elements(ctx, LY_STMT_BASE, &type->bases, YIN_ARG_NAME, Y_PREF_IDENTIF_ARG, exts)); type->flags |= LYS_SET_BASE; } else if (parent_stmt == LY_STMT_IDENTITY) { LY_CHECK_RET(yin_parse_simple_elements(ctx, LY_STMT_BASE, (const char ***)dest, YIN_ARG_NAME, Y_PREF_IDENTIF_ARG, exts)); } else { LOGINT(ctx->xmlctx->ctx); return LY_EINT; } return LY_SUCCESS; } /** * @brief Parse require-instance element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[out] type Type structure to store value, flag and extensions. * @return LY_ERR values. */ static LY_ERR yin_pasrse_reqinstance(struct lysp_yin_ctx *ctx, struct lysp_type *type) { const char *temp_val = NULL; struct yin_subelement subelems[] = { {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; type->flags |= LYS_SET_REQINST; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_VALUE, &temp_val, Y_STR_ARG, LY_STMT_REQUIRE_INSTANCE)); if (strcmp(temp_val, "true") == 0) { type->require_instance = 1; } else if (strcmp(temp_val, "false") != 0) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN VALID_VALS2, temp_val, "value", "require-instance", "true", "false"); lydict_remove(ctx->xmlctx->ctx, temp_val); return LY_EVALID; } lydict_remove(ctx->xmlctx->ctx, temp_val); LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), type, LY_STMT_REQUIRE_INSTANCE, NULL, &type->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, type->exts)); return LY_SUCCESS; } /** * @brief Parse modifier element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] parent Current statement parent. * @param[in,out] pat Value to write to. * @param[in,out] exts Extension instances to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_modifier(struct lysp_yin_ctx *ctx, const void *parent, const char **pat, struct lysp_ext_instance **exts) { const char *temp_val; char *modified_val; struct yin_subelement subelems[] = { {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; assert(**pat == 0x06); LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_VALUE, &temp_val, Y_STR_ARG, LY_STMT_MODIFIER)); if (strcmp(temp_val, "invert-match") != 0) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN VALID_VALS1, temp_val, "value", "modifier", "invert-match"); lydict_remove(ctx->xmlctx->ctx, temp_val); return LY_EVALID; } lydict_remove(ctx->xmlctx->ctx, temp_val); /* allocate new value */ modified_val = malloc(strlen(*pat) + 1); LY_CHECK_ERR_RET(!modified_val, LOGMEM(ctx->xmlctx->ctx), LY_EMEM); strcpy(modified_val, *pat); lydict_remove(ctx->xmlctx->ctx, *pat); /* modify the new value */ modified_val[0] = LYSP_RESTR_PATTERN_NACK; LY_CHECK_RET(lydict_insert_zc(ctx->xmlctx->ctx, modified_val, pat)); LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), parent, LY_STMT_MODIFIER, NULL, exts)); return LY_SUCCESS; } /** * @brief Parse a restriction element (length, range or one instance of must). * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] restr_kw Identificaton of element that is being parsed, can be set to LY_STMT_MUST, LY_STMT_LENGTH or LY_STMT_RANGE. * @param[in] restr Value to write to. * @return LY_ERR values. */ static LY_ERR yin_parse_restriction(struct lysp_yin_ctx *ctx, enum ly_stmt restr_kw, struct lysp_restr *restr) { struct yin_subelement subelems[] = { {LY_STMT_DESCRIPTION, &restr->dsc, YIN_SUBELEM_UNIQUE}, {LY_STMT_ERROR_APP_TAG, &restr->eapptag, YIN_SUBELEM_UNIQUE}, {LY_STMT_ERROR_MESSAGE, &restr->emsg, YIN_SUBELEM_UNIQUE}, {LY_STMT_REFERENCE, &restr->ref, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; /* argument of must is called condition, but argument of length and range is called value */ enum yin_argument arg_type = (restr_kw == LY_STMT_MUST) ? YIN_ARG_CONDITION : YIN_ARG_VALUE; assert(restr_kw == LY_STMT_MUST || restr_kw == LY_STMT_LENGTH || restr_kw == LY_STMT_RANGE); LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, arg_type, &restr->arg.str, Y_STR_ARG, restr_kw)); restr->arg.mod = PARSER_CUR_PMOD(ctx); LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), restr, restr_kw, NULL, &restr->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, restr->exts)); return LY_SUCCESS; } /** * @brief Parse range element. * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[out] type Type structure to store parsed value and flags. * @return LY_ERR values. */ static LY_ERR yin_parse_range(struct lysp_yin_ctx *ctx, struct lysp_type *type) { type->range = calloc(1, sizeof *type->range); LY_CHECK_ERR_RET(!type->range, LOGMEM(ctx->xmlctx->ctx), LY_EMEM); LY_CHECK_RET(yin_parse_restriction(ctx, LY_STMT_RANGE, type->range)); type->flags |= LYS_SET_RANGE; return LY_SUCCESS; } /** * @brief Parse length element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[out] type Type structure to store parsed value and flags. * @return LY_ERR values. */ static LY_ERR yin_parse_length(struct lysp_yin_ctx *ctx, struct lysp_type *type) { type->length = calloc(1, sizeof *type->length); LY_CHECK_ERR_RET(!type->length, LOGMEM(ctx->xmlctx->ctx), LY_EMEM); LY_CHECK_RET(yin_parse_restriction(ctx, LY_STMT_LENGTH, type->length)); type->flags |= LYS_SET_LENGTH; return LY_SUCCESS; } /** * @brief Parse must element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] restrs Restrictions to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_must(struct lysp_yin_ctx *ctx, struct lysp_restr **restrs) { struct lysp_restr *restr; LY_ARRAY_NEW_RET(ctx->xmlctx->ctx, *restrs, restr, LY_EMEM); return yin_parse_restriction(ctx, LY_STMT_MUST, restr); } /** * @brief Parse a node id into an array. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] parent_stmt Type of parent statement. * @param[in] subinfo Information about subelement, is used to determin which function should be called and where to store parsed value. * @param[in,out] exts Extension instances to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_qname(struct lysp_yin_ctx *ctx, enum ly_stmt parent_stmt, struct yin_subelement *subinfo, struct lysp_ext_instance **exts) { struct lysp_qname *qname, **qnames; switch (parent_stmt) { case LY_STMT_DEFAULT: if (subinfo->flags & YIN_SUBELEM_UNIQUE) { qname = (struct lysp_qname *)subinfo->dest; } else { qnames = (struct lysp_qname **)subinfo->dest; LY_ARRAY_NEW_RET(ctx->xmlctx->ctx, *qnames, qname, LY_EMEM); } qname->mod = PARSER_CUR_PMOD(ctx); return yin_parse_simple_element(ctx, qname, parent_stmt, &qname->str, YIN_ARG_VALUE, Y_STR_ARG, exts); case LY_STMT_UNIQUE: assert(!(subinfo->flags & YIN_SUBELEM_UNIQUE)); qnames = (struct lysp_qname **)subinfo->dest; LY_ARRAY_NEW_RET(ctx->xmlctx->ctx, *qnames, qname, LY_EMEM); qname->mod = PARSER_CUR_PMOD(ctx); return yin_parse_simple_element(ctx, *qnames, parent_stmt, &qname->str, YIN_ARG_TAG, Y_STR_ARG, exts); case LY_STMT_IF_FEATURE: assert(!(subinfo->flags & YIN_SUBELEM_UNIQUE)); qnames = (struct lysp_qname **)subinfo->dest; LY_ARRAY_NEW_RET(ctx->xmlctx->ctx, *qnames, qname, LY_EMEM); qname->mod = PARSER_CUR_PMOD(ctx); return yin_parse_simple_element(ctx, *qnames, parent_stmt, &qname->str, YIN_ARG_NAME, Y_STR_ARG, exts); default: break; } LOGINT(ctx->xmlctx->ctx); return LY_EINT; } /** * @brief Parse position or value element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] parent_stmt Type of parent statement. * @param[out] enm Enum structure to save value, flags and extension instances. * @return LY_ERR values. */ static LY_ERR yin_parse_value_pos(struct lysp_yin_ctx *ctx, enum ly_stmt parent_stmt, struct lysp_type_enum *enm) { LY_ERR ret = LY_SUCCESS; const char *temp_val = NULL; char *ptr; long long num = 0; unsigned long long unum = 0; assert(parent_stmt == LY_STMT_POSITION || parent_stmt == LY_STMT_VALUE); /* set value flag */ enm->flags |= LYS_SET_VALUE; /* get attribute value */ LY_CHECK_GOTO(ret = lyxml_ctx_next(ctx->xmlctx), cleanup); LY_CHECK_GOTO(ret = yin_parse_attribute(ctx, YIN_ARG_VALUE, &temp_val, Y_STR_ARG, parent_stmt), cleanup); if (!temp_val || (temp_val[0] == '\0') || (temp_val[0] == '+') || ((temp_val[0] == '0') && (temp_val[1] != '\0')) || ((parent_stmt == LY_STMT_POSITION) && !strcmp(temp_val, "-0"))) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN, temp_val, "value", lyplg_ext_stmt2str(parent_stmt)); ret = LY_EVALID; goto cleanup; } /* convert value */ errno = 0; if (parent_stmt == LY_STMT_VALUE) { num = strtoll(temp_val, &ptr, LY_BASE_DEC); if ((num < INT64_C(-2147483648)) || (num > INT64_C(2147483647))) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN, temp_val, "value", lyplg_ext_stmt2str(parent_stmt)); ret = LY_EVALID; goto cleanup; } } else { unum = strtoull(temp_val, &ptr, LY_BASE_DEC); if (unum > UINT64_C(4294967295)) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN, temp_val, "value", lyplg_ext_stmt2str(parent_stmt)); ret = LY_EVALID; goto cleanup; } } /* check if whole argument value was converted */ if (*ptr != '\0') { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN, temp_val, "value", lyplg_ext_stmt2str(parent_stmt)); ret = LY_EVALID; goto cleanup; } if (errno == ERANGE) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_OOB_YIN, temp_val, "value", lyplg_ext_stmt2str(parent_stmt)); ret = LY_EVALID; goto cleanup; } /* save correctly ternary operator can't be used because num and unum have different signes */ if (parent_stmt == LY_STMT_VALUE) { enm->value = num; } else { enm->value = unum; } /* parse subelements */ struct yin_subelement subelems[] = { {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; LY_CHECK_GOTO(ret = yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), enm, parent_stmt, NULL, &enm->exts), cleanup); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_GOTO(ret = yin_unres_exts_add(ctx, enm->exts), cleanup); cleanup: lydict_remove(ctx->xmlctx->ctx, temp_val); return ret; } /** * @brief Parse belongs-to element. * * @param[in] ctx YIN parser context for logging and to store current state. * @param[out] submod Structure of submodule that is being parsed. * @param[in,out] exts Extension instances to add to. * @return LY_ERR values */ static LY_ERR yin_parse_belongs_to(struct lysp_yin_ctx *ctx, struct lysp_submodule *submod, struct lysp_ext_instance **exts) { const char *belongsto; struct yin_subelement subelems[] = { {LY_STMT_PREFIX, &submod->prefix, YIN_SUBELEM_MANDATORY | YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_MODULE, &belongsto, Y_IDENTIF_ARG, LY_STMT_BELONGS_TO)); if (PARSER_CUR_PMOD(ctx)->mod->name != belongsto) { LOGVAL_PARSER(ctx, LYVE_SYNTAX_YIN, "Submodule \"belongs-to\" value \"%s\" does not match its module name \"%s\".", belongsto, PARSER_CUR_PMOD(ctx)->mod->name); lydict_remove(ctx->xmlctx->ctx, belongsto); return LY_EVALID; } lydict_remove(ctx->xmlctx->ctx, belongsto); LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), submod, LY_STMT_BELONGS_TO, NULL, exts)); return LY_SUCCESS; } /** * @brief Function to parse meta tags (description, contact, ...) eg. elements with * text element as child. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] parent Current statement parent. * @param[in] parent_stmt Type of @p parent statement. * @param[out] value Where the content of meta element should be stored. * @param[in,out] exts Extension instances to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_meta(struct lysp_yin_ctx *ctx, const void *parent, enum ly_stmt parent_stmt, const char **value, struct lysp_ext_instance **exts) { struct yin_subelement subelems[] = { {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, {LY_STMT_ARG_TEXT, value, YIN_SUBELEM_MANDATORY | YIN_SUBELEM_UNIQUE | YIN_SUBELEM_FIRST} }; assert(parent_stmt == LY_STMT_ORGANIZATION || parent_stmt == LY_STMT_CONTACT || parent_stmt == LY_STMT_DESCRIPTION || parent_stmt == LY_STMT_REFERENCE); /* check attributes */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NONE, NULL, Y_MAYBE_STR_ARG, parent_stmt)); /* parse content */ LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), parent, parent_stmt, NULL, exts)); return LY_SUCCESS; } /** * @brief Parse error-message element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] parent Current statement parent. * @param[out] value Where the content of error-message element should be stored. * @param[in,out] exts Extension instances to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_err_msg(struct lysp_yin_ctx *ctx, const void *parent, const char **value, struct lysp_ext_instance **exts) { struct yin_subelement subelems[] = { {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, {LY_STMT_ARG_VALUE, value, YIN_SUBELEM_MANDATORY | YIN_SUBELEM_UNIQUE | YIN_SUBELEM_FIRST} }; /* check attributes */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NONE, NULL, Y_MAYBE_STR_ARG, LY_STMT_ERROR_MESSAGE)); LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), parent, LY_STMT_ERROR_MESSAGE, NULL, exts)); return LY_SUCCESS; } /** * @brief Parse type element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] parent_stmt Type of parent statement. * @param[in,out] subinfo Information about subelement, is used to determin which function should be called and where * to store parsed value. * @return LY_ERR values. */ static LY_ERR yin_parse_type(struct lysp_yin_ctx *ctx, enum ly_stmt parent_stmt, struct yin_subelement *subinfo) { struct lysp_type *type = NULL; if (parent_stmt == LY_STMT_DEVIATE) { *(struct lysp_type **)subinfo->dest = calloc(1, sizeof **(struct lysp_type **)subinfo->dest); LY_CHECK_ERR_RET(!(*(struct lysp_type **)subinfo->dest), LOGMEM(ctx->xmlctx->ctx), LY_EMEM); type = *((struct lysp_type **)subinfo->dest); } else { type = (struct lysp_type *)subinfo->dest; } /* type as child of another type */ if (parent_stmt == LY_STMT_TYPE) { struct lysp_type *nested_type = NULL; LY_ARRAY_NEW_RET(ctx->xmlctx->ctx, type->types, nested_type, LY_EMEM); type->flags |= LYS_SET_TYPE; type = nested_type; } type->pmod = PARSER_CUR_PMOD(ctx); struct yin_subelement subelems[] = { {LY_STMT_BASE, type, 0}, {LY_STMT_BIT, type, 0}, {LY_STMT_ENUM, type, 0}, {LY_STMT_FRACTION_DIGITS, type, YIN_SUBELEM_UNIQUE}, {LY_STMT_LENGTH, type, YIN_SUBELEM_UNIQUE}, {LY_STMT_PATH, type, YIN_SUBELEM_UNIQUE}, {LY_STMT_PATTERN, type, 0}, {LY_STMT_RANGE, type, YIN_SUBELEM_UNIQUE}, {LY_STMT_REQUIRE_INSTANCE, type, YIN_SUBELEM_UNIQUE}, {LY_STMT_TYPE, type, 0}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, }; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, &type->name, Y_PREF_IDENTIF_ARG, LY_STMT_TYPE)); LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), type, LY_STMT_TYPE, NULL, &type->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, type->exts)); return LY_SUCCESS; } /** * @brief Parse max-elements element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] max Value to write to. * @param[in] flags Flags to write to. * @param[in,out] exts Extension instances to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_maxelements(struct lysp_yin_ctx *ctx, uint32_t *max, uint16_t *flags, struct lysp_ext_instance **exts) { LY_ERR ret = LY_SUCCESS; const char *temp_val = NULL; char *ptr; unsigned long long num; struct yin_subelement subelems[] = { {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, }; *flags |= LYS_SET_MAX; LY_CHECK_GOTO(ret = lyxml_ctx_next(ctx->xmlctx), cleanup); LY_CHECK_GOTO(ret = yin_parse_attribute(ctx, YIN_ARG_VALUE, &temp_val, Y_STR_ARG, LY_STMT_MAX_ELEMENTS), cleanup); if (!temp_val || (temp_val[0] == '\0') || (temp_val[0] == '0') || ((temp_val[0] != 'u') && !isdigit(temp_val[0]))) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN, temp_val, "value", "max-elements"); ret = LY_EVALID; goto cleanup; } if (strcmp(temp_val, "unbounded")) { errno = 0; num = strtoull(temp_val, &ptr, LY_BASE_DEC); if (*ptr != '\0') { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN, temp_val, "value", "max-elements"); ret = LY_EVALID; goto cleanup; } if ((errno == ERANGE) || (num > UINT32_MAX)) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_OOB_YIN, temp_val, "value", "max-elements"); ret = LY_EVALID; goto cleanup; } *max = num; } ret = yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), max, LY_STMT_MAX_ELEMENTS, NULL, exts); LY_CHECK_GOTO(ret, cleanup); cleanup: lydict_remove(ctx->xmlctx->ctx, temp_val); return ret; } /** * @brief Parse min-elements element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] min Value to write to. * @param[in] flags Flags to write to. * @param[in,out] exts Extension instances to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_minelements(struct lysp_yin_ctx *ctx, uint32_t *min, uint16_t *flags, struct lysp_ext_instance **exts) { const char *temp_val = NULL; char *ptr; unsigned long long num; struct yin_subelement subelems[] = { {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, }; *flags |= LYS_SET_MIN; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_VALUE, &temp_val, Y_STR_ARG, LY_STMT_MIN_ELEMENTS)); if (!temp_val || (temp_val[0] == '\0') || ((temp_val[0] == '0') && (temp_val[1] != '\0'))) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN, temp_val, "value", "min-elements"); lydict_remove(ctx->xmlctx->ctx, temp_val); return LY_EVALID; } errno = 0; num = strtoull(temp_val, &ptr, LY_BASE_DEC); if (ptr[0] != 0) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN, temp_val, "value", "min-elements"); lydict_remove(ctx->xmlctx->ctx, temp_val); return LY_EVALID; } if ((errno == ERANGE) || (num > UINT32_MAX)) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_OOB_YIN, temp_val, "value", "min-elements"); lydict_remove(ctx->xmlctx->ctx, temp_val); return LY_EVALID; } *min = num; lydict_remove(ctx->xmlctx->ctx, temp_val); LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), min, LY_STMT_MIN_ELEMENTS, NULL, exts)); return LY_SUCCESS; } /** * @brief Parse min-elements or max-elements element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] parent_stmt Type of parent statement. * @param[in] cur_stmt Type of current element. * @param[in] dest Where the parsed value and flags should be stored. * @return LY_ERR values. */ static LY_ERR yin_parse_minmax(struct lysp_yin_ctx *ctx, enum ly_stmt parent_stmt, enum ly_stmt cur_stmt, void *dest) { uint32_t *lim; uint16_t *flags; struct lysp_ext_instance **exts; assert(cur_stmt == LY_STMT_MAX_ELEMENTS || cur_stmt == LY_STMT_MIN_ELEMENTS); assert(parent_stmt == LY_STMT_LEAF_LIST || parent_stmt == LY_STMT_REFINE || parent_stmt == LY_STMT_LIST || parent_stmt == LY_STMT_DEVIATE); if (parent_stmt == LY_STMT_LEAF_LIST) { lim = (cur_stmt == LY_STMT_MAX_ELEMENTS) ? &((struct lysp_node_leaflist *)dest)->max : &((struct lysp_node_leaflist *)dest)->min; flags = &((struct lysp_node_leaflist *)dest)->flags; exts = &((struct lysp_node_leaflist *)dest)->exts; } else if (parent_stmt == LY_STMT_REFINE) { lim = (cur_stmt == LY_STMT_MAX_ELEMENTS) ? &((struct lysp_refine *)dest)->max : &((struct lysp_refine *)dest)->min; flags = &((struct lysp_refine *)dest)->flags; exts = &((struct lysp_refine *)dest)->exts; } else if (parent_stmt == LY_STMT_LIST) { lim = (cur_stmt == LY_STMT_MAX_ELEMENTS) ? &((struct lysp_node_list *)dest)->max : &((struct lysp_node_list *)dest)->min; flags = &((struct lysp_node_list *)dest)->flags; exts = &((struct lysp_node_list *)dest)->exts; } else { lim = ((struct minmax_dev_meta *)dest)->lim; flags = ((struct minmax_dev_meta *)dest)->flags; exts = ((struct minmax_dev_meta *)dest)->exts; } if (cur_stmt == LY_STMT_MAX_ELEMENTS) { LY_CHECK_RET(yin_parse_maxelements(ctx, lim, flags, exts)); } else { LY_CHECK_RET(yin_parse_minelements(ctx, lim, flags, exts)); } return LY_SUCCESS; } /** * @brief Parse ordered-by element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] parent Current statement parent. * @param[out] flags Flags to write to. * @param[in,out] exts Extension instances to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_orderedby(struct lysp_yin_ctx *ctx, const void *parent, uint16_t *flags, struct lysp_ext_instance **exts) { const char *temp_val; struct yin_subelement subelems[] = { {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, }; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_VALUE, &temp_val, Y_STR_ARG, LY_STMT_ORDERED_BY)); if (strcmp(temp_val, "system") == 0) { *flags |= LYS_ORDBY_SYSTEM; } else if (strcmp(temp_val, "user") == 0) { *flags |= LYS_ORDBY_USER; } else { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN VALID_VALS2, temp_val, "value", "ordered-by", "system", "user"); lydict_remove(ctx->xmlctx->ctx, temp_val); return LY_EVALID; } lydict_remove(ctx->xmlctx->ctx, temp_val); LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), parent, LY_STMT_ORDERED_BY, NULL, exts)); return LY_SUCCESS; } /** * @brief Parse any-data or any-xml element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] any_stmt Type of current statement, can be set to LY_STMT_ANYDATA or LY_STMT_ANYXML * @param[in] node_meta Meta information about parent node and siblings to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_any(struct lysp_yin_ctx *ctx, enum ly_stmt any_kw, struct tree_node_meta *node_meta) { struct lysp_node_anydata *any; /* create new sibling */ LY_LIST_NEW_RET(ctx->xmlctx->ctx, node_meta->nodes, any, next, LY_EMEM); any->nodetype = (any_kw == LY_STMT_ANYDATA) ? LYS_ANYDATA : LYS_ANYXML; any->parent = node_meta->parent; /* parse argument */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, &any->name, Y_IDENTIF_ARG, any_kw)); struct yin_subelement subelems[] = { {LY_STMT_CONFIG, &any->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_DESCRIPTION, &any->dsc, YIN_SUBELEM_UNIQUE}, {LY_STMT_IF_FEATURE, &any->iffeatures, 0}, {LY_STMT_MANDATORY, &any->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_MUST, &any->musts, 0}, {LY_STMT_REFERENCE, &any->ref, YIN_SUBELEM_UNIQUE}, {LY_STMT_STATUS, &any->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_WHEN, &any->when, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, }; LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), any, any_kw, NULL, &any->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, any->exts)); return LY_SUCCESS; } /** * @brief parse leaf element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] node_meta Meta information about parent node and siblings to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_leaf(struct lysp_yin_ctx *ctx, struct tree_node_meta *node_meta) { struct lysp_node_leaf *leaf; /* create structure new leaf */ LY_LIST_NEW_RET(ctx->xmlctx->ctx, node_meta->nodes, leaf, next, LY_EMEM); leaf->nodetype = LYS_LEAF; leaf->parent = node_meta->parent; /* parser argument */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, &leaf->name, Y_IDENTIF_ARG, LY_STMT_LEAF)); /* parse content */ struct yin_subelement subelems[] = { {LY_STMT_CONFIG, &leaf->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_DEFAULT, &leaf->dflt, YIN_SUBELEM_UNIQUE}, {LY_STMT_DESCRIPTION, &leaf->dsc, YIN_SUBELEM_UNIQUE}, {LY_STMT_IF_FEATURE, &leaf->iffeatures, 0}, {LY_STMT_MANDATORY, &leaf->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_MUST, &leaf->musts, 0}, {LY_STMT_REFERENCE, &leaf->ref, YIN_SUBELEM_UNIQUE}, {LY_STMT_STATUS, &leaf->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_TYPE, &leaf->type, YIN_SUBELEM_UNIQUE | YIN_SUBELEM_MANDATORY}, {LY_STMT_UNITS, &leaf->units, YIN_SUBELEM_UNIQUE}, {LY_STMT_WHEN, &leaf->when, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, }; LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), leaf, LY_STMT_LEAF, NULL, &leaf->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, leaf->exts)); return LY_SUCCESS; } /** * @brief Parse leaf-list element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] node_meta Meta information about parent node and siblings to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_leaflist(struct lysp_yin_ctx *ctx, struct tree_node_meta *node_meta) { struct lysp_node_leaflist *llist; LY_LIST_NEW_RET(ctx->xmlctx->ctx, node_meta->nodes, llist, next, LY_EMEM); llist->nodetype = LYS_LEAFLIST; llist->parent = node_meta->parent; /* parse argument */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, &llist->name, Y_IDENTIF_ARG, LY_STMT_LEAF_LIST)); /* parse content */ struct yin_subelement subelems[] = { {LY_STMT_CONFIG, &llist->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_DEFAULT, &llist->dflts, 0}, {LY_STMT_DESCRIPTION, &llist->dsc, YIN_SUBELEM_UNIQUE}, {LY_STMT_IF_FEATURE, &llist->iffeatures, 0}, {LY_STMT_MAX_ELEMENTS, llist, YIN_SUBELEM_UNIQUE}, {LY_STMT_MIN_ELEMENTS, llist, YIN_SUBELEM_UNIQUE}, {LY_STMT_MUST, &llist->musts, 0}, {LY_STMT_ORDERED_BY, &llist->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_REFERENCE, &llist->ref, YIN_SUBELEM_UNIQUE}, {LY_STMT_STATUS, &llist->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_TYPE, &llist->type, YIN_SUBELEM_UNIQUE | YIN_SUBELEM_MANDATORY}, {LY_STMT_UNITS, &llist->units, YIN_SUBELEM_UNIQUE}, {LY_STMT_WHEN, &llist->when, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, }; LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), llist, LY_STMT_LEAF_LIST, NULL, &llist->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, llist->exts)); /* check invalid combination of subelements */ if ((llist->min) && (llist->dflts)) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INCHILDSTMSCOMB_YIN, "min-elements", "default", "leaf-list"); return LY_EVALID; } if (llist->max && (llist->min > llist->max)) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_MINMAX, llist->min, llist->max); return LY_EVALID; } return LY_SUCCESS; } /** * @brief Parse typedef element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] typedef_meta Meta information about parent node and typedefs to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_typedef(struct lysp_yin_ctx *ctx, struct tree_node_meta *typedef_meta) { struct lysp_tpdf *tpdf; struct lysp_tpdf **tpdfs = (struct lysp_tpdf **)typedef_meta->nodes; LY_ARRAY_NEW_RET(ctx->xmlctx->ctx, *tpdfs, tpdf, LY_EMEM); /* parse argument */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, &tpdf->name, Y_IDENTIF_ARG, LY_STMT_TYPEDEF)); /* parse content */ struct yin_subelement subelems[] = { {LY_STMT_DEFAULT, &tpdf->dflt, YIN_SUBELEM_UNIQUE}, {LY_STMT_DESCRIPTION, &tpdf->dsc, YIN_SUBELEM_UNIQUE}, {LY_STMT_REFERENCE, &tpdf->ref, YIN_SUBELEM_UNIQUE}, {LY_STMT_STATUS, &tpdf->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_TYPE, &tpdf->type, YIN_SUBELEM_UNIQUE | YIN_SUBELEM_MANDATORY}, {LY_STMT_UNITS, &tpdf->units, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, }; LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), tpdf, LY_STMT_TYPEDEF, NULL, &tpdf->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, tpdf->exts)); /* store data for collision check */ if (typedef_meta->parent) { assert(ctx->main_ctx); LY_CHECK_RET(ly_set_add(&ctx->main_ctx->tpdfs_nodes, typedef_meta->parent, 0, NULL)); } return LY_SUCCESS; } /** * @brief Parse refine element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] refines Refines to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_refine(struct lysp_yin_ctx *ctx, struct lysp_refine **refines) { struct lysp_refine *rf; /* allocate new refine */ LY_ARRAY_NEW_RET(ctx->xmlctx->ctx, *refines, rf, LY_EMEM); /* parse attribute */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_TARGET_NODE, &rf->nodeid, Y_STR_ARG, LY_STMT_REFINE)); CHECK_NONEMPTY(ctx, strlen(rf->nodeid), "refine"); /* parse content */ struct yin_subelement subelems[] = { {LY_STMT_CONFIG, &rf->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_DEFAULT, &rf->dflts, 0}, {LY_STMT_DESCRIPTION, &rf->dsc, YIN_SUBELEM_UNIQUE}, {LY_STMT_IF_FEATURE, &rf->iffeatures, 0}, {LY_STMT_MANDATORY, &rf->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_MAX_ELEMENTS, rf, YIN_SUBELEM_UNIQUE}, {LY_STMT_MIN_ELEMENTS, rf, YIN_SUBELEM_UNIQUE}, {LY_STMT_MUST, &rf->musts, 0}, {LY_STMT_PRESENCE, &rf->presence, YIN_SUBELEM_UNIQUE}, {LY_STMT_REFERENCE, &rf->ref, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, }; LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), rf, LY_STMT_REFINE, NULL, &rf->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, rf->exts)); return LY_SUCCESS; } /** * @brief Parse uses element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] node_meta Meta information about parent node and siblings to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_uses(struct lysp_yin_ctx *ctx, struct tree_node_meta *node_meta) { struct lysp_node_uses *uses; /* create new uses */ LY_LIST_NEW_RET(ctx->xmlctx->ctx, node_meta->nodes, uses, next, LY_EMEM); uses->nodetype = LYS_USES; uses->parent = node_meta->parent; /* parse argument */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, &uses->name, Y_PREF_IDENTIF_ARG, LY_STMT_USES)); /* parse content */ struct tree_node_meta augments = {(struct lysp_node *)uses, (struct lysp_node **)&uses->augments}; struct yin_subelement subelems[] = { {LY_STMT_AUGMENT, &augments, 0}, {LY_STMT_DESCRIPTION, &uses->dsc, YIN_SUBELEM_UNIQUE}, {LY_STMT_IF_FEATURE, &uses->iffeatures, 0}, {LY_STMT_REFERENCE, &uses->ref, YIN_SUBELEM_UNIQUE}, {LY_STMT_REFINE, &uses->refines, 0}, {LY_STMT_STATUS, &uses->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_WHEN, &uses->when, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, }; LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), uses, LY_STMT_USES, NULL, &uses->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, uses->exts)); return LY_SUCCESS; } /** * @brief Parse revision element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] revs Parsed revisions to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_revision(struct lysp_yin_ctx *ctx, struct lysp_revision **revs) { struct lysp_revision *rev; const char *temp_date = NULL; /* allocate new reivison */ LY_ARRAY_NEW_RET(ctx->xmlctx->ctx, *revs, rev, LY_EMEM); /* parse argument */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_DATE, &temp_date, Y_STR_ARG, LY_STMT_REVISION)); /* check value */ if (lysp_check_date((struct lysp_ctx *)ctx, temp_date, strlen(temp_date), "revision")) { lydict_remove(ctx->xmlctx->ctx, temp_date); return LY_EVALID; } memcpy(rev->date, temp_date, LY_REV_SIZE); lydict_remove(ctx->xmlctx->ctx, temp_date); /* parse content */ struct yin_subelement subelems[] = { {LY_STMT_DESCRIPTION, &rev->dsc, YIN_SUBELEM_UNIQUE}, {LY_STMT_REFERENCE, &rev->ref, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, }; LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), rev, LY_STMT_REVISION, NULL, &rev->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, rev->exts)); return LY_SUCCESS; } /** * @brief Parse include element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] inc_meta Meta informatinou about module/submodule name and includes to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_include(struct lysp_yin_ctx *ctx, struct include_meta *inc_meta) { struct lysp_include *inc; /* allocate new include */ LY_ARRAY_NEW_RET(ctx->xmlctx->ctx, *inc_meta->includes, inc, LY_EMEM); /* parse argument */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_MODULE, &inc->name, Y_IDENTIF_ARG, LY_STMT_INCLUDE)); /* submodules share the namespace with the module names, so there must not be * a module of the same name in the context, no need for revision matching */ if (!strcmp(inc_meta->name, inc->name) || ly_ctx_get_module_latest(ctx->xmlctx->ctx, inc->name)) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_NAME2_COL, "module", "submodule", inc->name); return LY_EVALID; } /* parse content */ struct yin_subelement subelems[] = { {LY_STMT_DESCRIPTION, &inc->dsc, YIN_SUBELEM_UNIQUE | YIN_SUBELEM_VER2}, {LY_STMT_REFERENCE, &inc->ref, YIN_SUBELEM_UNIQUE | YIN_SUBELEM_VER2}, {LY_STMT_REVISION_DATE, &inc->rev, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, }; LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), inc, LY_STMT_INCLUDE, NULL, &inc->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, inc->exts)); return LY_SUCCESS; } /** * @brief Parse revision-date element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] rev Array to store the parsed value in. * @param[in,out] exts Extension instances to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_revision_date(struct lysp_yin_ctx *ctx, char *rev, struct lysp_ext_instance **exts) { const char *temp_rev; struct yin_subelement subelems[] = { {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_DATE, &temp_rev, Y_STR_ARG, LY_STMT_REVISION_DATE)); LY_CHECK_ERR_RET(lysp_check_date((struct lysp_ctx *)ctx, temp_rev, strlen(temp_rev), "revision-date") != LY_SUCCESS, lydict_remove(ctx->xmlctx->ctx, temp_rev), LY_EVALID); strcpy(rev, temp_rev); lydict_remove(ctx->xmlctx->ctx, temp_rev); LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), rev, LY_STMT_REVISION_DATE, NULL, exts)); return LY_SUCCESS; } /** * @brief Parse config element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] flags Flags to add to. * @param[in,out] exts Extension instances to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_config(struct lysp_yin_ctx *ctx, uint16_t *flags, struct lysp_ext_instance **exts) { const char *temp_val = NULL; struct yin_subelement subelems[] = { {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_VALUE, &temp_val, Y_STR_ARG, LY_STMT_CONFIG)); if (strcmp(temp_val, "true") == 0) { *flags |= LYS_CONFIG_W; } else if (strcmp(temp_val, "false") == 0) { *flags |= LYS_CONFIG_R; } else { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN VALID_VALS2, temp_val, "value", "config", "true", "false"); lydict_remove(ctx->xmlctx->ctx, temp_val); return LY_EVALID; } lydict_remove(ctx->xmlctx->ctx, temp_val); LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), flags, LY_STMT_CONFIG, NULL, exts)); return LY_SUCCESS; } /** * @brief Parse yang-version element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] parent Current statement parent. * @param[out] version Storage for the parsed information. * @param[in,out] exts Extension instances to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_yangversion(struct lysp_yin_ctx *ctx, const void *parent, uint8_t *version, struct lysp_ext_instance **exts) { const char *temp_version = NULL; struct yin_subelement subelems[] = { {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_VALUE, &temp_version, Y_STR_ARG, LY_STMT_YANG_VERSION)); if (strcmp(temp_version, "1") == 0) { *version = LYS_VERSION_1_0; } else if (strcmp(temp_version, "1.1") == 0) { *version = LYS_VERSION_1_1; } else { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN VALID_VALS2, temp_version, "value", "yang-version", "1", "1.1"); lydict_remove(ctx->xmlctx->ctx, temp_version); return LY_EVALID; } lydict_remove(ctx->xmlctx->ctx, temp_version); LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), parent, LY_STMT_YANG_VERSION, NULL, exts)); return LY_SUCCESS; } /** * @brief Parse import element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] imp_meta Meta information about prefix and imports to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_import(struct lysp_yin_ctx *ctx, struct import_meta *imp_meta) { struct lysp_import *imp; /* allocate new element in sized array for import */ LY_ARRAY_NEW_RET(ctx->xmlctx->ctx, *imp_meta->imports, imp, LY_EMEM); struct yin_subelement subelems[] = { {LY_STMT_DESCRIPTION, &imp->dsc, YIN_SUBELEM_UNIQUE}, {LY_STMT_PREFIX, &imp->prefix, YIN_SUBELEM_MANDATORY | YIN_SUBELEM_UNIQUE}, {LY_STMT_REFERENCE, &imp->ref, YIN_SUBELEM_UNIQUE}, {LY_STMT_REVISION_DATE, imp->rev, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; /* parse import attributes */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_MODULE, &imp->name, Y_IDENTIF_ARG, LY_STMT_IMPORT)); LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), imp, LY_STMT_IMPORT, NULL, &imp->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, imp->exts)); /* check prefix validity */ LY_CHECK_RET(lysp_check_prefix((struct lysp_ctx *)ctx, *imp_meta->imports, imp_meta->prefix, &imp->prefix), LY_EVALID); return LY_SUCCESS; } /** * @brief Parse mandatory element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] flags Flags to add to. * @param[in,out] exts Extension instances to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_mandatory(struct lysp_yin_ctx *ctx, uint16_t *flags, struct lysp_ext_instance **exts) { const char *temp_val = NULL; struct yin_subelement subelems[] = { {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_VALUE, &temp_val, Y_STR_ARG, LY_STMT_MANDATORY)); if (strcmp(temp_val, "true") == 0) { *flags |= LYS_MAND_TRUE; } else if (strcmp(temp_val, "false") == 0) { *flags |= LYS_MAND_FALSE; } else { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN VALID_VALS2, temp_val, "value", "mandatory", "true", "false"); lydict_remove(ctx->xmlctx->ctx, temp_val); return LY_EVALID; } lydict_remove(ctx->xmlctx->ctx, temp_val); LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), flags, LY_STMT_MANDATORY, NULL, exts)); return LY_SUCCESS; } /** * @brief Parse status element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] flags Flags to add to. * @param[in,out] exts Extension instances to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_status(struct lysp_yin_ctx *ctx, uint16_t *flags, struct lysp_ext_instance **exts) { const char *value = NULL; struct yin_subelement subelems[] = { {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_VALUE, &value, Y_STR_ARG, LY_STMT_STATUS)); if (strcmp(value, "current") == 0) { *flags |= LYS_STATUS_CURR; } else if (strcmp(value, "deprecated") == 0) { *flags |= LYS_STATUS_DEPRC; } else if (strcmp(value, "obsolete") == 0) { *flags |= LYS_STATUS_OBSLT; } else { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN VALID_VALS3, value, "value", "status", "current", "deprecated", "obsolete"); lydict_remove(ctx->xmlctx->ctx, value); return LY_EVALID; } lydict_remove(ctx->xmlctx->ctx, value); LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), flags, LY_STMT_STATUS, NULL, exts)); return LY_SUCCESS; } /** * @brief Parse when element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[out] when_p When pointer to parse to. * @return LY_ERR values. */ static LY_ERR yin_parse_when(struct lysp_yin_ctx *ctx, struct lysp_when **when_p) { struct lysp_when *when; LY_ERR ret = LY_SUCCESS; when = calloc(1, sizeof *when); LY_CHECK_ERR_RET(!when, LOGMEM(ctx->xmlctx->ctx), LY_EMEM); ret = lyxml_ctx_next(ctx->xmlctx); LY_CHECK_ERR_RET(ret, free(when), ret); ret = yin_parse_attribute(ctx, YIN_ARG_CONDITION, &when->cond, Y_STR_ARG, LY_STMT_WHEN); LY_CHECK_ERR_RET(ret, free(when), ret); *when_p = when; struct yin_subelement subelems[] = { {LY_STMT_DESCRIPTION, &when->dsc, YIN_SUBELEM_UNIQUE}, {LY_STMT_REFERENCE, &when->ref, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), when, LY_STMT_WHEN, NULL, &when->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, when->exts)); return LY_SUCCESS; } /** * @brief Parse yin-elemenet element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] parent Current statement parent. * @param[in,out] flags Flags to add to. * @param[in,out] exts Extension instances to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_yin_element(struct lysp_yin_ctx *ctx, const void *parent, uint16_t *flags, struct lysp_ext_instance **exts) { const char *temp_val = NULL; struct yin_subelement subelems[] = { {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_VALUE, &temp_val, Y_STR_ARG, LY_STMT_YIN_ELEMENT)); if (strcmp(temp_val, "true") == 0) { *flags |= LYS_YINELEM_TRUE; } else if (strcmp(temp_val, "false") == 0) { *flags |= LYS_YINELEM_FALSE; } else { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN VALID_VALS2, temp_val, "value", "yin-element", "true", "false"); lydict_remove(ctx->xmlctx->ctx, temp_val); return LY_EVALID; } lydict_remove(ctx->xmlctx->ctx, temp_val); LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), parent, LY_STMT_YIN_ELEMENT, NULL, exts)); return LY_SUCCESS; } /** * @brief Parse argument element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] parent Current statement parent. * @param[in,out] arg_meta Meta information about destination of parsed data. * @param[in,out] exts Extension instances to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_argument(struct lysp_yin_ctx *ctx, const void *parent, struct yin_argument_meta *arg_meta, struct lysp_ext_instance **exts) { struct yin_subelement subelems[] = { {LY_STMT_YIN_ELEMENT, arg_meta->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, arg_meta->argument, Y_IDENTIF_ARG, LY_STMT_ARGUMENT)); LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), parent, LY_STMT_ARGUMENT, NULL, exts)); return LY_SUCCESS; } /** * @brief Parse the extension statement. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] extensions Extensions to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_extension(struct lysp_yin_ctx *ctx, struct lysp_ext **extensions) { struct lysp_ext *ex; LY_ARRAY_NEW_RET(ctx->xmlctx->ctx, *extensions, ex, LY_EMEM); LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, &ex->name, Y_IDENTIF_ARG, LY_STMT_EXTENSION)); struct yin_argument_meta arg_info = {&ex->flags, &ex->argname}; struct yin_subelement subelems[] = { {LY_STMT_ARGUMENT, &arg_info, YIN_SUBELEM_UNIQUE}, {LY_STMT_DESCRIPTION, &ex->dsc, YIN_SUBELEM_UNIQUE}, {LY_STMT_REFERENCE, &ex->ref, YIN_SUBELEM_UNIQUE}, {LY_STMT_STATUS, &ex->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), ex, LY_STMT_EXTENSION, NULL, &ex->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, ex->exts)); return LY_SUCCESS; } /** * @brief Parse feature element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] features Features to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_feature(struct lysp_yin_ctx *ctx, struct lysp_feature **features) { struct lysp_feature *feat; /* allocate new feature */ LY_ARRAY_NEW_RET(ctx->xmlctx->ctx, *features, feat, LY_EMEM); /* parse argument */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, &feat->name, Y_IDENTIF_ARG, LY_STMT_FEATURE)); /* parse content */ struct yin_subelement subelems[] = { {LY_STMT_DESCRIPTION, &feat->dsc, YIN_SUBELEM_UNIQUE}, {LY_STMT_IF_FEATURE, &feat->iffeatures, 0}, {LY_STMT_REFERENCE, &feat->ref, YIN_SUBELEM_UNIQUE}, {LY_STMT_STATUS, &feat->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, }; LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), feat, LY_STMT_FEATURE, NULL, &feat->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, feat->exts)); return LY_SUCCESS; } /** * @brief Parse identity element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] identities Identities to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_identity(struct lysp_yin_ctx *ctx, struct lysp_ident **identities) { struct lysp_ident *ident; /* allocate new identity */ LY_ARRAY_NEW_RET(ctx->xmlctx->ctx, *identities, ident, LY_EMEM); /* parse argument */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, &ident->name, Y_IDENTIF_ARG, LY_STMT_IDENTITY)); /* parse content */ struct yin_subelement subelems[] = { {LY_STMT_BASE, &ident->bases, 0}, {LY_STMT_DESCRIPTION, &ident->dsc, YIN_SUBELEM_UNIQUE}, {LY_STMT_IF_FEATURE, &ident->iffeatures, YIN_SUBELEM_VER2}, {LY_STMT_REFERENCE, &ident->ref, YIN_SUBELEM_UNIQUE}, {LY_STMT_STATUS, &ident->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, }; LY_CHECK_RET(yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), ident, LY_STMT_IDENTITY, NULL, &ident->exts)); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, ident->exts)); return LY_SUCCESS; } /** * @brief Parse list element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] node_meta Meta information about parent node and siblings to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_list(struct lysp_yin_ctx *ctx, struct tree_node_meta *node_meta) { struct lysp_node_list *list; LY_ERR ret = LY_SUCCESS; struct yin_subelement *subelems = NULL; size_t subelems_size; LY_LIST_NEW_RET(ctx->xmlctx->ctx, node_meta->nodes, list, next, LY_EMEM); list->nodetype = LYS_LIST; list->parent = node_meta->parent; /* parse argument */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, &list->name, Y_IDENTIF_ARG, LY_STMT_LIST)); /* parse list content */ LY_CHECK_RET(subelems_allocator(ctx, subelems_size = 25, (struct lysp_node *)list, &subelems, LY_STMT_ACTION, &list->actions, 0, LY_STMT_ANYDATA, &list->child, 0, LY_STMT_ANYXML, &list->child, 0, LY_STMT_CHOICE, &list->child, 0, LY_STMT_CONFIG, &list->flags, YIN_SUBELEM_UNIQUE, LY_STMT_CONTAINER, &list->child, 0, LY_STMT_DESCRIPTION, &list->dsc, YIN_SUBELEM_UNIQUE, LY_STMT_GROUPING, &list->groupings, 0, LY_STMT_IF_FEATURE, &list->iffeatures, 0, LY_STMT_KEY, &list->key, YIN_SUBELEM_UNIQUE, LY_STMT_LEAF, &list->child, 0, LY_STMT_LEAF_LIST, &list->child, 0, LY_STMT_LIST, &list->child, 0, LY_STMT_MAX_ELEMENTS, list, YIN_SUBELEM_UNIQUE, LY_STMT_MIN_ELEMENTS, list, YIN_SUBELEM_UNIQUE, LY_STMT_MUST, &list->musts, 0, LY_STMT_NOTIFICATION, &list->notifs, 0, LY_STMT_ORDERED_BY, &list->flags, YIN_SUBELEM_UNIQUE, LY_STMT_REFERENCE, &list->ref, YIN_SUBELEM_UNIQUE, LY_STMT_STATUS, &list->flags, YIN_SUBELEM_UNIQUE, LY_STMT_TYPEDEF, &list->typedefs, 0, LY_STMT_UNIQUE, &list->uniques, 0, LY_STMT_USES, &list->child, 0, LY_STMT_WHEN, &list->when, YIN_SUBELEM_UNIQUE, LY_STMT_EXTENSION_INSTANCE, NULL, 0)); ret = yin_parse_content(ctx, subelems, subelems_size, list, LY_STMT_LIST, NULL, &list->exts); subelems_deallocator(subelems_size, subelems); LY_CHECK_RET(ret); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, list->exts)); if (list->max && (list->min > list->max)) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_MINMAX, list->min, list->max); return LY_EVALID; } return LY_SUCCESS; } /** * @brief Parse notification element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] notif_meta Meta information about parent node and notifications to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_notification(struct lysp_yin_ctx *ctx, struct tree_node_meta *notif_meta) { struct lysp_node_notif *notif; struct lysp_node_notif **notifs = (struct lysp_node_notif **)notif_meta->nodes; LY_ERR ret = LY_SUCCESS; struct yin_subelement *subelems = NULL; size_t subelems_size; /* allocate new notification */ LY_LIST_NEW_RET(ctx->xmlctx->ctx, notifs, notif, next, LY_EMEM); notif->nodetype = LYS_NOTIF; notif->parent = notif_meta->parent; /* parse argument */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, ¬if->name, Y_IDENTIF_ARG, LY_STMT_NOTIFICATION)); /* parse notification content */ LY_CHECK_RET(subelems_allocator(ctx, subelems_size = 16, (struct lysp_node *)notif, &subelems, LY_STMT_ANYDATA, ¬if->child, 0, LY_STMT_ANYXML, ¬if->child, 0, LY_STMT_CHOICE, ¬if->child, 0, LY_STMT_CONTAINER, ¬if->child, 0, LY_STMT_DESCRIPTION, ¬if->dsc, YIN_SUBELEM_UNIQUE, LY_STMT_GROUPING, ¬if->groupings, 0, LY_STMT_IF_FEATURE, ¬if->iffeatures, 0, LY_STMT_LEAF, ¬if->child, 0, LY_STMT_LEAF_LIST, ¬if->child, 0, LY_STMT_LIST, ¬if->child, 0, LY_STMT_MUST, ¬if->musts, YIN_SUBELEM_VER2, LY_STMT_REFERENCE, ¬if->ref, YIN_SUBELEM_UNIQUE, LY_STMT_STATUS, ¬if->flags, YIN_SUBELEM_UNIQUE, LY_STMT_TYPEDEF, ¬if->typedefs, 0, LY_STMT_USES, ¬if->child, 0, LY_STMT_EXTENSION_INSTANCE, NULL, 0)); ret = yin_parse_content(ctx, subelems, subelems_size, notif, LY_STMT_NOTIFICATION, NULL, ¬if->exts); subelems_deallocator(subelems_size, subelems); LY_CHECK_RET(ret); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, notif->exts)); return LY_SUCCESS; } /** * @brief Parse grouping element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in,out] gr_meta Meta information about parent node and groupings to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_grouping(struct lysp_yin_ctx *ctx, struct tree_node_meta *gr_meta) { struct lysp_node_grp *grp; struct lysp_node_grp **grps = (struct lysp_node_grp **)gr_meta->nodes; LY_ERR ret = LY_SUCCESS; struct yin_subelement *subelems = NULL; size_t subelems_size; /* create new grouping */ LY_LIST_NEW_RET(ctx->xmlctx->ctx, grps, grp, next, LY_EMEM); grp->nodetype = LYS_GROUPING; grp->parent = gr_meta->parent; /* parse argument */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, &grp->name, Y_IDENTIF_ARG, LY_STMT_GROUPING)); /* parse grouping content */ LY_CHECK_RET(subelems_allocator(ctx, subelems_size = 16, &grp->node, &subelems, LY_STMT_ACTION, &grp->actions, 0, LY_STMT_ANYDATA, &grp->child, 0, LY_STMT_ANYXML, &grp->child, 0, LY_STMT_CHOICE, &grp->child, 0, LY_STMT_CONTAINER, &grp->child, 0, LY_STMT_DESCRIPTION, &grp->dsc, YIN_SUBELEM_UNIQUE, LY_STMT_GROUPING, &grp->groupings, 0, LY_STMT_LEAF, &grp->child, 0, LY_STMT_LEAF_LIST, &grp->child, 0, LY_STMT_LIST, &grp->child, 0, LY_STMT_NOTIFICATION, &grp->notifs, 0, LY_STMT_REFERENCE, &grp->ref, YIN_SUBELEM_UNIQUE, LY_STMT_STATUS, &grp->flags, YIN_SUBELEM_UNIQUE, LY_STMT_TYPEDEF, &grp->typedefs, 0, LY_STMT_USES, &grp->child, 0, LY_STMT_EXTENSION_INSTANCE, NULL, 0)); ret = yin_parse_content(ctx, subelems, subelems_size, grp, LY_STMT_GROUPING, NULL, &grp->exts); subelems_deallocator(subelems_size, subelems); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, grp->exts)); /* store data for collision check */ if (!ret && grp->parent) { assert(ctx->main_ctx); LY_CHECK_RET(ly_set_add(&ctx->main_ctx->grps_nodes, grp->parent, 0, NULL)); } return ret; } /** * @brief Parse container element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] node_meta Meta information about parent node and siblings to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_container(struct lysp_yin_ctx *ctx, struct tree_node_meta *node_meta) { struct lysp_node_container *cont; LY_ERR ret = LY_SUCCESS; struct yin_subelement *subelems = NULL; size_t subelems_size; /* create new container */ LY_LIST_NEW_RET(ctx->xmlctx->ctx, node_meta->nodes, cont, next, LY_EMEM); cont->nodetype = LYS_CONTAINER; cont->parent = node_meta->parent; /* parse aegument */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, &cont->name, Y_IDENTIF_ARG, LY_STMT_CONTAINER)); /* parse container content */ LY_CHECK_RET(subelems_allocator(ctx, subelems_size = 21, (struct lysp_node *)cont, &subelems, LY_STMT_ACTION, &cont->actions, YIN_SUBELEM_VER2, LY_STMT_ANYDATA, &cont->child, YIN_SUBELEM_VER2, LY_STMT_ANYXML, &cont->child, 0, LY_STMT_CHOICE, &cont->child, 0, LY_STMT_CONFIG, &cont->flags, YIN_SUBELEM_UNIQUE, LY_STMT_CONTAINER, &cont->child, 0, LY_STMT_DESCRIPTION, &cont->dsc, YIN_SUBELEM_UNIQUE, LY_STMT_GROUPING, &cont->groupings, 0, LY_STMT_IF_FEATURE, &cont->iffeatures, 0, LY_STMT_LEAF, &cont->child, 0, LY_STMT_LEAF_LIST, &cont->child, 0, LY_STMT_LIST, &cont->child, 0, LY_STMT_MUST, &cont->musts, 0, LY_STMT_NOTIFICATION, &cont->notifs, YIN_SUBELEM_VER2, LY_STMT_PRESENCE, &cont->presence, YIN_SUBELEM_UNIQUE, LY_STMT_REFERENCE, &cont->ref, YIN_SUBELEM_UNIQUE, LY_STMT_STATUS, &cont->flags, YIN_SUBELEM_UNIQUE, LY_STMT_TYPEDEF, &cont->typedefs, 0, LY_STMT_USES, &cont->child, 0, LY_STMT_WHEN, &cont->when, YIN_SUBELEM_UNIQUE, LY_STMT_EXTENSION_INSTANCE, NULL, 0)); ret = yin_parse_content(ctx, subelems, subelems_size, cont, LY_STMT_CONTAINER, NULL, &cont->exts); subelems_deallocator(subelems_size, subelems); LY_CHECK_RET(ret); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, cont->exts)); return LY_SUCCESS; } /** * @brief Parse case element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] node_meta Meta information about parent node and siblings to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_case(struct lysp_yin_ctx *ctx, struct tree_node_meta *node_meta) { struct lysp_node_case *cas; LY_ERR ret = LY_SUCCESS; struct yin_subelement *subelems = NULL; size_t subelems_size; /* create new case */ LY_LIST_NEW_RET(ctx->xmlctx->ctx, node_meta->nodes, cas, next, LY_EMEM); cas->nodetype = LYS_CASE; cas->parent = node_meta->parent; /* parse argument */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, &cas->name, Y_IDENTIF_ARG, LY_STMT_CASE)); /* parse case content */ LY_CHECK_RET(subelems_allocator(ctx, subelems_size = 14, (struct lysp_node *)cas, &subelems, LY_STMT_ANYDATA, &cas->child, YIN_SUBELEM_VER2, LY_STMT_ANYXML, &cas->child, 0, LY_STMT_CHOICE, &cas->child, 0, LY_STMT_CONTAINER, &cas->child, 0, LY_STMT_DESCRIPTION, &cas->dsc, YIN_SUBELEM_UNIQUE, LY_STMT_IF_FEATURE, &cas->iffeatures, 0, LY_STMT_LEAF, &cas->child, 0, LY_STMT_LEAF_LIST, &cas->child, 0, LY_STMT_LIST, &cas->child, 0, LY_STMT_REFERENCE, &cas->ref, YIN_SUBELEM_UNIQUE, LY_STMT_STATUS, &cas->flags, YIN_SUBELEM_UNIQUE, LY_STMT_USES, &cas->child, 0, LY_STMT_WHEN, &cas->when, YIN_SUBELEM_UNIQUE, LY_STMT_EXTENSION_INSTANCE, NULL, 0)); ret = yin_parse_content(ctx, subelems, subelems_size, cas, LY_STMT_CASE, NULL, &cas->exts); subelems_deallocator(subelems_size, subelems); LY_CHECK_RET(ret); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, cas->exts)); return LY_SUCCESS; } /** * @brief Parse choice element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] node_meta Meta information about parent node and siblings to add to. * @return LY_ERR values. */ LY_ERR yin_parse_choice(struct lysp_yin_ctx *ctx, struct tree_node_meta *node_meta) { LY_ERR ret = LY_SUCCESS; struct yin_subelement *subelems = NULL; struct lysp_node_choice *choice; size_t subelems_size; /* create new choice */ LY_LIST_NEW_RET(ctx->xmlctx->ctx, node_meta->nodes, choice, next, LY_EMEM); choice->nodetype = LYS_CHOICE; choice->parent = node_meta->parent; /* parse argument */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, &choice->name, Y_IDENTIF_ARG, LY_STMT_CHOICE)); /* parse choice content */ LY_CHECK_RET(subelems_allocator(ctx, subelems_size = 17, (struct lysp_node *)choice, &subelems, LY_STMT_ANYDATA, &choice->child, YIN_SUBELEM_VER2, LY_STMT_ANYXML, &choice->child, 0, LY_STMT_CASE, &choice->child, 0, LY_STMT_CHOICE, &choice->child, YIN_SUBELEM_VER2, LY_STMT_CONFIG, &choice->flags, YIN_SUBELEM_UNIQUE, LY_STMT_CONTAINER, &choice->child, 0, LY_STMT_DEFAULT, &choice->dflt, YIN_SUBELEM_UNIQUE, LY_STMT_DESCRIPTION, &choice->dsc, YIN_SUBELEM_UNIQUE, LY_STMT_IF_FEATURE, &choice->iffeatures, 0, LY_STMT_LEAF, &choice->child, 0, LY_STMT_LEAF_LIST, &choice->child, 0, LY_STMT_LIST, &choice->child, 0, LY_STMT_MANDATORY, &choice->flags, YIN_SUBELEM_UNIQUE, LY_STMT_REFERENCE, &choice->ref, YIN_SUBELEM_UNIQUE, LY_STMT_STATUS, &choice->flags, YIN_SUBELEM_UNIQUE, LY_STMT_WHEN, &choice->when, YIN_SUBELEM_UNIQUE, LY_STMT_EXTENSION_INSTANCE, NULL, 0)); ret = yin_parse_content(ctx, subelems, subelems_size, choice, LY_STMT_CHOICE, NULL, &choice->exts); subelems_deallocator(subelems_size, subelems); LY_CHECK_RET(ret); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, choice->exts)); return ret; } /** * @brief Parse input or output element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] inout_kw Identification of input/output element. * @param[in] inout_meta Meta information about parent node and siblings and input/output pointer to write to. * @return LY_ERR values. */ static LY_ERR yin_parse_inout(struct lysp_yin_ctx *ctx, enum ly_stmt inout_kw, struct inout_meta *inout_meta) { LY_ERR ret = LY_SUCCESS; struct yin_subelement *subelems = NULL; size_t subelems_size; /* initiate structure */ LY_CHECK_RET(lydict_insert(PARSER_CTX(ctx), (inout_kw == LY_STMT_INPUT) ? "input" : "output", 0, &inout_meta->inout_p->name)); inout_meta->inout_p->nodetype = (inout_kw == LY_STMT_INPUT) ? LYS_INPUT : LYS_OUTPUT; inout_meta->inout_p->parent = inout_meta->parent; /* check attributes */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NONE, NULL, Y_MAYBE_STR_ARG, inout_kw)); /* parser input/output content */ LY_CHECK_RET(subelems_allocator(ctx, subelems_size = 12, (struct lysp_node *)inout_meta->inout_p, &subelems, LY_STMT_ANYDATA, &inout_meta->inout_p->child, YIN_SUBELEM_VER2, LY_STMT_ANYXML, &inout_meta->inout_p->child, 0, LY_STMT_CHOICE, &inout_meta->inout_p->child, 0, LY_STMT_CONTAINER, &inout_meta->inout_p->child, 0, LY_STMT_GROUPING, &inout_meta->inout_p->groupings, 0, LY_STMT_LEAF, &inout_meta->inout_p->child, 0, LY_STMT_LEAF_LIST, &inout_meta->inout_p->child, 0, LY_STMT_LIST, &inout_meta->inout_p->child, 0, LY_STMT_MUST, &inout_meta->inout_p->musts, YIN_SUBELEM_VER2, LY_STMT_TYPEDEF, &inout_meta->inout_p->typedefs, 0, LY_STMT_USES, &inout_meta->inout_p->child, 0, LY_STMT_EXTENSION_INSTANCE, NULL, 0)); ret = yin_parse_content(ctx, subelems, subelems_size, inout_meta->inout_p, inout_kw, NULL, &inout_meta->inout_p->exts); subelems_deallocator(subelems_size, subelems); LY_CHECK_RET(ret); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, inout_meta->inout_p->exts)); if (!inout_meta->inout_p->child) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_MISSTMT, "data-def-stmt", lyplg_ext_stmt2str(inout_kw)); return LY_EVALID; } return LY_SUCCESS; } /** * @brief Parse action element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] act_meta Meta information about parent node and actions to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_action(struct lysp_yin_ctx *ctx, struct tree_node_meta *act_meta) { struct lysp_node_action *act, **acts = (struct lysp_node_action **)act_meta->nodes; LY_ERR ret = LY_SUCCESS; struct yin_subelement *subelems = NULL; size_t subelems_size; enum ly_stmt kw = act_meta->parent ? LY_STMT_ACTION : LY_STMT_RPC; /* create new action */ LY_LIST_NEW_RET(ctx->xmlctx->ctx, acts, act, next, LY_EMEM); act->nodetype = act_meta->parent ? LYS_ACTION : LYS_RPC; act->parent = act_meta->parent; /* parse argument */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, &act->name, Y_IDENTIF_ARG, kw)); /* parse content */ LY_CHECK_RET(subelems_allocator(ctx, subelems_size = 9, (struct lysp_node *)act, &subelems, LY_STMT_DESCRIPTION, &act->dsc, YIN_SUBELEM_UNIQUE, LY_STMT_GROUPING, &act->groupings, 0, LY_STMT_IF_FEATURE, &act->iffeatures, 0, LY_STMT_INPUT, &act->input, YIN_SUBELEM_UNIQUE, LY_STMT_OUTPUT, &act->output, YIN_SUBELEM_UNIQUE, LY_STMT_REFERENCE, &act->ref, YIN_SUBELEM_UNIQUE, LY_STMT_STATUS, &act->flags, YIN_SUBELEM_UNIQUE, LY_STMT_TYPEDEF, &act->typedefs, 0, LY_STMT_EXTENSION_INSTANCE, NULL, 0)); ret = (yin_parse_content(ctx, subelems, subelems_size, act, kw, NULL, &act->exts)); subelems_deallocator(subelems_size, subelems); LY_CHECK_RET(ret); /* always initialize inout, they are technically present (needed for later deviations/refines) */ if (!act->input.nodetype) { act->input.nodetype = LYS_INPUT; act->input.parent = (struct lysp_node *)act; LY_CHECK_RET(lydict_insert(PARSER_CTX(ctx), "input", 0, &act->input.name)); } if (!act->output.nodetype) { act->output.nodetype = LYS_OUTPUT; act->output.parent = (struct lysp_node *)act; LY_CHECK_RET(lydict_insert(PARSER_CTX(ctx), "output", 0, &act->output.name)); } /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, act->exts)); return LY_SUCCESS; } /** * @brief Parse augment element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] aug_meta Meta information about parent node and augments to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_augment(struct lysp_yin_ctx *ctx, struct tree_node_meta *aug_meta) { struct lysp_node_augment *aug; struct lysp_node_augment **augs = (struct lysp_node_augment **)aug_meta->nodes; LY_ERR ret = LY_SUCCESS; struct yin_subelement *subelems = NULL; size_t subelems_size; /* create new augment */ LY_LIST_NEW_RET(ctx->xmlctx->ctx, augs, aug, next, LY_EMEM); aug->nodetype = LYS_AUGMENT; aug->parent = aug_meta->parent; /* parse argument */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_TARGET_NODE, &aug->nodeid, Y_STR_ARG, LY_STMT_AUGMENT)); CHECK_NONEMPTY((struct lysp_ctx *)ctx, strlen(aug->nodeid), "augment"); /* parser augment content */ LY_CHECK_RET(subelems_allocator(ctx, subelems_size = 17, (struct lysp_node *)aug, &subelems, LY_STMT_ACTION, &aug->actions, YIN_SUBELEM_VER2, LY_STMT_ANYDATA, &aug->child, YIN_SUBELEM_VER2, LY_STMT_ANYXML, &aug->child, 0, LY_STMT_CASE, &aug->child, 0, LY_STMT_CHOICE, &aug->child, 0, LY_STMT_CONTAINER, &aug->child, 0, LY_STMT_DESCRIPTION, &aug->dsc, YIN_SUBELEM_UNIQUE, LY_STMT_IF_FEATURE, &aug->iffeatures, 0, LY_STMT_LEAF, &aug->child, 0, LY_STMT_LEAF_LIST, &aug->child, 0, LY_STMT_LIST, &aug->child, 0, LY_STMT_NOTIFICATION, &aug->notifs, YIN_SUBELEM_VER2, LY_STMT_REFERENCE, &aug->ref, YIN_SUBELEM_UNIQUE, LY_STMT_STATUS, &aug->flags, YIN_SUBELEM_UNIQUE, LY_STMT_USES, &aug->child, 0, LY_STMT_WHEN, &aug->when, YIN_SUBELEM_UNIQUE, LY_STMT_EXTENSION_INSTANCE, NULL, 0)); ret = yin_parse_content(ctx, subelems, subelems_size, aug, LY_STMT_AUGMENT, NULL, &aug->exts); subelems_deallocator(subelems_size, subelems); LY_CHECK_RET(ret); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, aug->exts)); return LY_SUCCESS; } /** * @brief Parse deviate element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] deviates Deviates to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_deviate(struct lysp_yin_ctx *ctx, struct lysp_deviate **deviates) { LY_ERR ret = LY_SUCCESS; uint8_t dev_mod; const char *temp_val; struct lysp_deviate *d; struct lysp_deviate_add *d_add = NULL; struct lysp_deviate_rpl *d_rpl = NULL; struct lysp_deviate_del *d_del = NULL; /* parse argument */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_VALUE, &temp_val, Y_STR_ARG, LY_STMT_DEVIATE)); if (strcmp(temp_val, "not-supported") == 0) { dev_mod = LYS_DEV_NOT_SUPPORTED; } else if (strcmp(temp_val, "add") == 0) { dev_mod = LYS_DEV_ADD; } else if (strcmp(temp_val, "replace") == 0) { dev_mod = LYS_DEV_REPLACE; } else if (strcmp(temp_val, "delete") == 0) { dev_mod = LYS_DEV_DELETE; } else { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INVAL_YIN VALID_VALS4, temp_val, "value", "deviate", "not-supported", "add", "replace", "delete"); lydict_remove(ctx->xmlctx->ctx, temp_val); return LY_EVALID; } lydict_remove(ctx->xmlctx->ctx, temp_val); if (dev_mod == LYS_DEV_NOT_SUPPORTED) { d = calloc(1, sizeof *d); LY_CHECK_ERR_RET(!d, LOGMEM(ctx->xmlctx->ctx), LY_EMEM); struct yin_subelement subelems[] = { {LY_STMT_EXTENSION_INSTANCE, NULL, 0} }; ret = yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), d, LY_STMT_DEVIATE, NULL, &d->exts); } else if (dev_mod == LYS_DEV_ADD) { d_add = calloc(1, sizeof *d_add); LY_CHECK_ERR_RET(!d_add, LOGMEM(ctx->xmlctx->ctx), LY_EMEM); d = (struct lysp_deviate *)d_add; struct minmax_dev_meta min = {&d_add->min, &d_add->flags, &d_add->exts}; struct minmax_dev_meta max = {&d_add->max, &d_add->flags, &d_add->exts}; struct yin_subelement subelems[] = { {LY_STMT_CONFIG, &d_add->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_DEFAULT, &d_add->dflts, 0}, {LY_STMT_MANDATORY, &d_add->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_MAX_ELEMENTS, &max, YIN_SUBELEM_UNIQUE}, {LY_STMT_MIN_ELEMENTS, &min, YIN_SUBELEM_UNIQUE}, {LY_STMT_MUST, &d_add->musts, 0}, {LY_STMT_UNIQUE, &d_add->uniques, 0}, {LY_STMT_UNITS, &d_add->units, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, }; ret = yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), d, LY_STMT_DEVIATE, NULL, &d->exts); } else if (dev_mod == LYS_DEV_REPLACE) { d_rpl = calloc(1, sizeof *d_rpl); LY_CHECK_ERR_RET(!d_rpl, LOGMEM(ctx->xmlctx->ctx), LY_EMEM); d = (struct lysp_deviate *)d_rpl; struct minmax_dev_meta min = {&d_rpl->min, &d_rpl->flags, &d_rpl->exts}; struct minmax_dev_meta max = {&d_rpl->max, &d_rpl->flags, &d_rpl->exts}; struct yin_subelement subelems[] = { {LY_STMT_CONFIG, &d_rpl->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_DEFAULT, &d_rpl->dflt, YIN_SUBELEM_UNIQUE}, {LY_STMT_MANDATORY, &d_rpl->flags, YIN_SUBELEM_UNIQUE}, {LY_STMT_MAX_ELEMENTS, &max, YIN_SUBELEM_UNIQUE}, {LY_STMT_MIN_ELEMENTS, &min, YIN_SUBELEM_UNIQUE}, {LY_STMT_TYPE, &d_rpl->type, YIN_SUBELEM_UNIQUE}, {LY_STMT_UNITS, &d_rpl->units, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, }; ret = yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), d, LY_STMT_DEVIATE, NULL, &d->exts); } else { d_del = calloc(1, sizeof *d_del); LY_CHECK_ERR_RET(!d_del, LOGMEM(ctx->xmlctx->ctx), LY_EMEM); d = (struct lysp_deviate *)d_del; struct yin_subelement subelems[] = { {LY_STMT_DEFAULT, &d_del->dflts, 0}, {LY_STMT_MUST, &d_del->musts, 0}, {LY_STMT_UNIQUE, &d_del->uniques, 0}, {LY_STMT_UNITS, &d_del->units, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, }; ret = yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), d, LY_STMT_DEVIATE, NULL, &d->exts); } LY_CHECK_GOTO(ret, cleanup); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_GOTO(ret = yin_unres_exts_add(ctx, d->exts), cleanup); d->mod = dev_mod; /* insert into siblings */ LY_LIST_INSERT(deviates, d, next); return ret; cleanup: free(d); return ret; } /** * @brief Parse deviation element. * * @param[in,out] ctx YIN parser context for logging and to store current state. * @param[in] deviations Deviations to add to. * @return LY_ERR values. */ static LY_ERR yin_parse_deviation(struct lysp_yin_ctx *ctx, struct lysp_deviation **deviations) { LY_ERR ret = LY_SUCCESS; struct lysp_deviation *dev = NULL; struct lysf_ctx fctx = {.ctx = PARSER_CTX(ctx)}; /* create new deviation */ LY_ARRAY_NEW_RET(ctx->xmlctx->ctx, *deviations, dev, LY_EMEM); /* parse argument */ LY_CHECK_GOTO(ret = lyxml_ctx_next(ctx->xmlctx), cleanup); LY_CHECK_GOTO(ret = yin_parse_attribute(ctx, YIN_ARG_TARGET_NODE, &dev->nodeid, Y_STR_ARG, LY_STMT_DEVIATION), cleanup); CHECK_NONEMPTY((struct lysp_ctx *)ctx, strlen(dev->nodeid), "deviation"); struct yin_subelement subelems[] = { {LY_STMT_DESCRIPTION, &dev->dsc, YIN_SUBELEM_UNIQUE}, {LY_STMT_DEVIATE, &dev->deviates, YIN_SUBELEM_MANDATORY}, {LY_STMT_REFERENCE, &dev->ref, YIN_SUBELEM_UNIQUE}, {LY_STMT_EXTENSION_INSTANCE, NULL, 0}, }; ret = yin_parse_content(ctx, subelems, ly_sizeofarray(subelems), dev, LY_STMT_DEVIATION, NULL, &dev->exts); LY_CHECK_GOTO(ret, cleanup); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_GOTO(ret = yin_unres_exts_add(ctx, dev->exts), cleanup); cleanup: if (ret) { lysp_deviation_free(&fctx, dev); LY_ARRAY_DECREMENT_FREE(*deviations); } return ret; } /** * @brief map keyword to keyword-group. * * @param[in] ctx YIN parser context used for logging. * @param[in] kw Keyword that is child of module or submodule. * @param[out] group Group of keyword. * @return LY_SUCCESS on success LY_EINT if kw can't be mapped to kw_group, should not happen if called correctly. */ static LY_ERR kw2kw_group(struct lysp_yin_ctx *ctx, enum ly_stmt kw, enum yang_module_stmt *group) { switch (kw) { /* module header */ case LY_STMT_NONE: case LY_STMT_NAMESPACE: case LY_STMT_PREFIX: case LY_STMT_BELONGS_TO: case LY_STMT_YANG_VERSION: *group = Y_MOD_MODULE_HEADER; break; /* linkage */ case LY_STMT_INCLUDE: case LY_STMT_IMPORT: *group = Y_MOD_LINKAGE; break; /* meta */ case LY_STMT_ORGANIZATION: case LY_STMT_CONTACT: case LY_STMT_DESCRIPTION: case LY_STMT_REFERENCE: *group = Y_MOD_META; break; /* revision */ case LY_STMT_REVISION: *group = Y_MOD_REVISION; break; /* body */ case LY_STMT_ANYDATA: case LY_STMT_ANYXML: case LY_STMT_AUGMENT: case LY_STMT_CHOICE: case LY_STMT_CONTAINER: case LY_STMT_DEVIATION: case LY_STMT_EXTENSION: case LY_STMT_FEATURE: case LY_STMT_GROUPING: case LY_STMT_IDENTITY: case LY_STMT_LEAF: case LY_STMT_LEAF_LIST: case LY_STMT_LIST: case LY_STMT_NOTIFICATION: case LY_STMT_RPC: case LY_STMT_TYPEDEF: case LY_STMT_USES: case LY_STMT_EXTENSION_INSTANCE: *group = Y_MOD_BODY; break; default: LOGINT(ctx->xmlctx->ctx); return LY_EINT; } return LY_SUCCESS; } /** * @brief Check if relative order of two keywords is valid. * * @param[in] ctx YIN parser context used for logging. * @param[in] cur_stmt Type of current statement. * @param[in] next_stmt Type of next statement. * @param[in] parent_stmt Type of parent statement, can be se to to LY_STMT_MODULE of LY_STMT_SUBMODULE, * because relative order is required only in module and submodule sub-elements, used for logging. * @return LY_SUCCESS on success and LY_EVALID if relative order is invalid. */ static LY_ERR yin_check_relative_order(struct lysp_yin_ctx *ctx, enum ly_stmt cur_stmt, enum ly_stmt next_stmt, enum ly_stmt parent_stmt) { enum yang_module_stmt gr, next_gr; assert(parent_stmt == LY_STMT_MODULE || parent_stmt == LY_STMT_SUBMODULE); if (cur_stmt == LY_STMT_EXTENSION_INSTANCE) { /* no order defined */ return LY_SUCCESS; } LY_CHECK_RET(kw2kw_group(ctx, cur_stmt, &gr)); LY_CHECK_RET(kw2kw_group(ctx, next_stmt, &next_gr)); if (gr > next_gr) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INORDER_YIN, lyplg_ext_stmt2str(parent_stmt), lyplg_ext_stmt2str(next_stmt), lyplg_ext_stmt2str(cur_stmt)); return LY_EVALID; } return LY_SUCCESS; } /** * @brief Parse argument of extension subelement that is classic yang keyword and not another instance of extension. * * @param[in,out] ctx Yin parser context for logging and to store current state. * @param[in] parent_stmt Type of parent statement. * @param[out] arg Value to write to. * @return LY_ERR values. */ static LY_ERR yin_parse_extension_instance_arg(struct lysp_yin_ctx *ctx, enum ly_stmt parent_stmt, const char **arg) { enum ly_stmt child; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); switch (parent_stmt) { case LY_STMT_ACTION: case LY_STMT_ANYDATA: case LY_STMT_ANYXML: case LY_STMT_ARGUMENT: case LY_STMT_BASE: case LY_STMT_BIT: case LY_STMT_CASE: case LY_STMT_CHOICE: case LY_STMT_CONTAINER: case LY_STMT_ENUM: case LY_STMT_EXTENSION: case LY_STMT_FEATURE: case LY_STMT_GROUPING: case LY_STMT_IDENTITY: case LY_STMT_IF_FEATURE: case LY_STMT_LEAF: case LY_STMT_LEAF_LIST: case LY_STMT_LIST: case LY_STMT_MODULE: case LY_STMT_NOTIFICATION: case LY_STMT_RPC: case LY_STMT_SUBMODULE: case LY_STMT_TYPE: case LY_STMT_TYPEDEF: case LY_STMT_UNITS: case LY_STMT_USES: LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, arg, Y_MAYBE_STR_ARG, parent_stmt)); break; case LY_STMT_AUGMENT: case LY_STMT_DEVIATION: case LY_STMT_REFINE: LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_TARGET_NODE, arg, Y_MAYBE_STR_ARG, parent_stmt)); break; case LY_STMT_CONFIG: case LY_STMT_DEFAULT: case LY_STMT_DEVIATE: case LY_STMT_ERROR_APP_TAG: case LY_STMT_FRACTION_DIGITS: case LY_STMT_KEY: case LY_STMT_LENGTH: case LY_STMT_MANDATORY: case LY_STMT_MAX_ELEMENTS: case LY_STMT_MIN_ELEMENTS: case LY_STMT_MODIFIER: case LY_STMT_ORDERED_BY: case LY_STMT_PATH: case LY_STMT_PATTERN: case LY_STMT_POSITION: case LY_STMT_PREFIX: case LY_STMT_PRESENCE: case LY_STMT_RANGE: case LY_STMT_REQUIRE_INSTANCE: case LY_STMT_STATUS: case LY_STMT_VALUE: case LY_STMT_YANG_VERSION: case LY_STMT_YIN_ELEMENT: LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_VALUE, arg, Y_MAYBE_STR_ARG, parent_stmt)); break; case LY_STMT_IMPORT: case LY_STMT_INCLUDE: case LY_STMT_BELONGS_TO: LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_MODULE, arg, Y_MAYBE_STR_ARG, parent_stmt)); break; case LY_STMT_INPUT: case LY_STMT_OUTPUT: LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NONE, arg, Y_MAYBE_STR_ARG, parent_stmt)); break; case LY_STMT_MUST: case LY_STMT_WHEN: LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_CONDITION, arg, Y_MAYBE_STR_ARG, parent_stmt)); break; case LY_STMT_NAMESPACE: LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_URI, arg, Y_MAYBE_STR_ARG, parent_stmt)); break; case LY_STMT_REVISION: case LY_STMT_REVISION_DATE: LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_DATE, arg, Y_MAYBE_STR_ARG, parent_stmt)); break; case LY_STMT_UNIQUE: LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_TAG, arg, Y_MAYBE_STR_ARG, parent_stmt)); break; /* argument is mapped to yin element */ case LY_STMT_CONTACT: case LY_STMT_DESCRIPTION: case LY_STMT_ORGANIZATION: case LY_STMT_REFERENCE: case LY_STMT_ERROR_MESSAGE: /* there shouldn't be any attribute, argument is supposed to be first subelement */ LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NONE, arg, Y_MAYBE_STR_ARG, parent_stmt)); /* no content */ assert(ctx->xmlctx->status == LYXML_ELEM_CONTENT); if (ctx->xmlctx->ws_only) { LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); } if (((ctx->xmlctx->status == LYXML_ELEM_CONTENT) && !ctx->xmlctx->ws_only) || (ctx->xmlctx->status != LYXML_ELEMENT)) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_FIRT_SUBELEM, parent_stmt == LY_STMT_ERROR_MESSAGE ? "value" : "text", lyplg_ext_stmt2str(parent_stmt)); return LY_EVALID; } /* parse child element */ child = yin_match_keyword(ctx, ctx->xmlctx->name, ctx->xmlctx->name_len, ctx->xmlctx->prefix, ctx->xmlctx->prefix_len, parent_stmt); if (((parent_stmt == LY_STMT_ERROR_MESSAGE) && (child != LY_STMT_ARG_VALUE)) || ((parent_stmt != LY_STMT_ERROR_MESSAGE) && (child != LY_STMT_ARG_TEXT))) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_UNEXP_SUBELEM, (int)ctx->xmlctx->name_len, ctx->xmlctx->name, lyplg_ext_stmt2str(parent_stmt)); return LY_EVALID; } LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); /* no attributes expected */ while (ctx->xmlctx->status == LYXML_ATTRIBUTE) { LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); } /* load and save content */ INSERT_STRING_RET(ctx->xmlctx->ctx, ctx->xmlctx->value, ctx->xmlctx->value_len, ctx->xmlctx->dynamic, *arg); LY_CHECK_RET(!*arg, LY_EMEM); /* load closing tag of subelement */ LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); break; default: LOGINT(ctx->xmlctx->ctx); return LY_EINT; } return LY_SUCCESS; } /** * @brief Parse yin element into generic structure. * * @param[in,out] ctx Yin parser context for XML context, logging, and to store current state. * @param[in] parent_stmt Type of parent statement. * @param[out] element Where the element structure should be stored. * @return LY_ERR values. */ LY_ERR yin_parse_element_generic(struct lysp_yin_ctx *ctx, enum ly_stmt parent_stmt, struct lysp_stmt **element) { LY_ERR ret = LY_SUCCESS; struct lysp_stmt *last = NULL, *new = NULL; char *id; assert(ctx->xmlctx->status == LYXML_ELEMENT); /* allocate new structure for element */ *element = calloc(1, sizeof(**element)); LY_CHECK_ERR_GOTO(!(*element), LOGMEM(ctx->xmlctx->ctx); ret = LY_EMEM, cleanup); /* store identifier */ if (ctx->xmlctx->prefix_len) { if (asprintf(&id, "%.*s:%.*s", (int)ctx->xmlctx->prefix_len, ctx->xmlctx->prefix, (int)ctx->xmlctx->name_len, ctx->xmlctx->name) == -1) { LOGMEM(ctx->xmlctx->ctx); ret = LY_EMEM; goto cleanup; } LY_CHECK_GOTO(ret = lydict_insert_zc(ctx->xmlctx->ctx, id, &(*element)->stmt), cleanup); /* store prefix data for the statement */ LY_CHECK_GOTO(ret = ly_store_prefix_data(ctx->xmlctx->ctx, (*element)->stmt, strlen((*element)->stmt), LY_VALUE_XML, &ctx->xmlctx->ns, &(*element)->format, &(*element)->prefix_data), cleanup); } else { LY_CHECK_GOTO(ret = lydict_insert(ctx->xmlctx->ctx, ctx->xmlctx->name, ctx->xmlctx->name_len, &(*element)->stmt), cleanup); } (*element)->kw = yin_match_keyword(ctx, ctx->xmlctx->name, ctx->xmlctx->name_len, ctx->xmlctx->prefix, ctx->xmlctx->prefix_len, parent_stmt); last = (*element)->child; if ((*element)->kw == LY_STMT_NONE) { /* unrecognized element */ LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_UNEXP_SUBELEM, (int)ctx->xmlctx->name_len, ctx->xmlctx->name, lyplg_ext_stmt2str(parent_stmt)); ret = LY_EVALID; goto cleanup; } else if ((*element)->kw != LY_STMT_EXTENSION_INSTANCE) { /* element is known yang keyword, which means argument can be parsed correctly. */ ret = yin_parse_extension_instance_arg(ctx, (*element)->kw, &(*element)->arg); LY_CHECK_GOTO(ret, cleanup); } else { LY_CHECK_GOTO(ret = lyxml_ctx_next(ctx->xmlctx), cleanup); /* load attributes in generic way, save all attributes in linked list */ while (ctx->xmlctx->status == LYXML_ATTRIBUTE) { new = calloc(1, sizeof(*last)); LY_CHECK_ERR_GOTO(!new, LOGMEM(ctx->xmlctx->ctx); ret = LY_EMEM, cleanup); if (!(*element)->child) { /* save first */ (*element)->child = new; } else { last->next = new; } last = new; last->flags |= LYS_YIN_ATTR; LY_CHECK_GOTO(ret = lydict_insert(ctx->xmlctx->ctx, ctx->xmlctx->name, ctx->xmlctx->name_len, &last->stmt), cleanup); last->kw = LY_STMT_NONE; /* attributes with prefix are ignored */ if (!ctx->xmlctx->prefix) { LY_CHECK_GOTO(ret = lyxml_ctx_next(ctx->xmlctx), cleanup); INSERT_STRING_RET(ctx->xmlctx->ctx, ctx->xmlctx->value, ctx->xmlctx->value_len, ctx->xmlctx->dynamic, last->arg); LY_CHECK_ERR_GOTO(!last->arg, ret = LY_EMEM, cleanup); } else { LY_CHECK_GOTO(ret = lyxml_ctx_next(ctx->xmlctx), cleanup); } LY_CHECK_GOTO(ret = lyxml_ctx_next(ctx->xmlctx), cleanup); } } if ((ctx->xmlctx->status != LYXML_ELEM_CONTENT) || ctx->xmlctx->ws_only) { LY_CHECK_GOTO(ret = lyxml_ctx_next(ctx->xmlctx), cleanup); while (ctx->xmlctx->status == LYXML_ELEMENT) { /* parse subelements */ ret = yin_parse_element_generic(ctx, (*element)->kw, &new); LY_CHECK_GOTO(ret, cleanup); if (!(*element)->child) { /* save first */ (*element)->child = new; } else { last->next = new; } last = new; assert(ctx->xmlctx->status == LYXML_ELEM_CLOSE); LY_CHECK_GOTO(ret = lyxml_ctx_next(ctx->xmlctx), cleanup); } } else { /* save element content */ if (ctx->xmlctx->value_len) { INSERT_STRING_RET(ctx->xmlctx->ctx, ctx->xmlctx->value, ctx->xmlctx->value_len, ctx->xmlctx->dynamic, (*element)->arg); LY_CHECK_ERR_GOTO(!(*element)->arg, ret = LY_EMEM, cleanup); /* store prefix data for the argument as well */ LY_CHECK_GOTO(ret = ly_store_prefix_data(ctx->xmlctx->ctx, (*element)->arg, strlen((*element)->arg), LY_VALUE_XML, &ctx->xmlctx->ns, &(*element)->format, &(*element)->prefix_data), cleanup); } /* read closing tag */ LY_CHECK_GOTO(ret = lyxml_ctx_next(ctx->xmlctx), cleanup); } cleanup: return ret; } /** * @brief Parse instance of extension. * * @param[in,out] ctx Yin parser context for logging and to store current state. * @param[in] parent Current statement parent. * @param[in] parent_stmt Type of @p parent statement. * @param[in] parent_stmt_index In case of several @p parent_stmt, index of the relevant @p parent statement. * @param[in,out] exts Extension instance to add to. * @return LY_ERR values. */ LY_ERR yin_parse_extension_instance(struct lysp_yin_ctx *ctx, const void *parent, enum ly_stmt parent_stmt, LY_ARRAY_COUNT_TYPE parent_stmt_index, struct lysp_ext_instance **exts) { struct lysp_ext_instance *e; struct lysp_stmt *last_subelem = NULL, *new_subelem = NULL; char *ext_name; assert(ctx->xmlctx->status == LYXML_ELEMENT); assert(exts); LY_ARRAY_NEW_RET(ctx->xmlctx->ctx, *exts, e, LY_EMEM); if (!ctx->xmlctx->prefix_len) { LOGVAL_PARSER(ctx, LYVE_SYNTAX, "Extension instance \"%*.s\" without the mandatory prefix.", (int)ctx->xmlctx->name_len, ctx->xmlctx->name); return LY_EVALID; } /* store prefixed name */ if (asprintf(&ext_name, "%.*s:%.*s", (int)ctx->xmlctx->prefix_len, ctx->xmlctx->prefix, (int)ctx->xmlctx->name_len, ctx->xmlctx->name) == -1) { LOGMEM(ctx->xmlctx->ctx); return LY_EMEM; } LY_CHECK_RET(lydict_insert_zc(ctx->xmlctx->ctx, ext_name, &e->name)); /* store prefix data for the name */ LY_CHECK_RET(ly_store_prefix_data(ctx->xmlctx->ctx, e->name, strlen(e->name), LY_VALUE_XML, &ctx->xmlctx->ns, &e->format, &e->prefix_data)); e->parent = (void *)parent; e->parent_stmt = parent_stmt; e->parent_stmt_index = parent_stmt_index; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); /* store attributes as subelements */ while (ctx->xmlctx->status == LYXML_ATTRIBUTE) { if (!ctx->xmlctx->prefix) { new_subelem = calloc(1, sizeof(*new_subelem)); if (!e->child) { e->child = new_subelem; } else { last_subelem->next = new_subelem; } last_subelem = new_subelem; last_subelem->flags |= LYS_YIN_ATTR; LY_CHECK_RET(lydict_insert(ctx->xmlctx->ctx, ctx->xmlctx->name, ctx->xmlctx->name_len, &last_subelem->stmt)); LY_CHECK_RET(!last_subelem->stmt, LY_EMEM); LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); INSERT_STRING_RET(ctx->xmlctx->ctx, ctx->xmlctx->value, ctx->xmlctx->value_len, ctx->xmlctx->dynamic, last_subelem->arg); LY_CHECK_RET(!last_subelem->arg, LY_EMEM); } else { LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); } LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); } /* parse subelements */ assert(ctx->xmlctx->status == LYXML_ELEM_CONTENT); if (ctx->xmlctx->ws_only) { LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); while (ctx->xmlctx->status == LYXML_ELEMENT) { LY_CHECK_RET(yin_parse_element_generic(ctx, LY_STMT_EXTENSION_INSTANCE, &new_subelem)); if (!e->child) { e->child = new_subelem; } else { last_subelem->next = new_subelem; } last_subelem = new_subelem; assert(ctx->xmlctx->status == LYXML_ELEM_CLOSE); LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); } } else if (ctx->xmlctx->value_len) { /* invalid text content */ LOGVAL_PARSER(ctx, LYVE_SYNTAX, "Extension instance \"%s\" with unexpected text content \"%.*s\".", ext_name, (int)ctx->xmlctx->value_len, ctx->xmlctx->value); return LY_EVALID; } e->parsed = NULL; return LY_SUCCESS; } /** * @brief Generic function for content parsing * * @param[in,out] ctx Yin parser context for logging and to store current state. * @param[in] subelem_info array of valid subelement types and meta information * @param[in] subelem_info_size Size of subelem_info array. * @param[in] parent Current statement parent. * @param[in] parent_stmt Type of @p parent statement. * @param[out] text_content Where the text content of element should be stored if any. Text content is ignored if set to NULL. * @param[in,out] exts Extension instance to add to. Can be set to null if element cannot have extension as subelements. * @return LY_ERR values. */ LY_ERR yin_parse_content(struct lysp_yin_ctx *ctx, struct yin_subelement *subelem_info, size_t subelem_info_size, const void *parent, enum ly_stmt parent_stmt, const char **text_content, struct lysp_ext_instance **exts) { LY_ERR ret = LY_SUCCESS; enum LYXML_PARSER_STATUS next_status; enum ly_stmt cur_stmt = LY_STMT_NONE, last_stmt = LY_STMT_NONE; struct yin_subelement *subelem = NULL; assert(ctx->xmlctx->status == LYXML_ELEM_CONTENT); if (ctx->xmlctx->ws_only) { /* check whether there are any children */ LY_CHECK_GOTO(ret = lyxml_ctx_peek(ctx->xmlctx, &next_status), cleanup); } else { /* we want to parse the value */ next_status = LYXML_ELEM_CLOSE; } if (next_status == LYXML_ELEMENT) { LY_CHECK_GOTO(ret = lyxml_ctx_next(ctx->xmlctx), cleanup); /* current element has subelements as content */ while (ctx->xmlctx->status == LYXML_ELEMENT) { /* match keyword */ last_stmt = cur_stmt; cur_stmt = yin_match_keyword(ctx, ctx->xmlctx->name, ctx->xmlctx->name_len, ctx->xmlctx->prefix, ctx->xmlctx->prefix_len, parent_stmt); /* check if this element can be child of current element */ subelem = get_record(cur_stmt, subelem_info_size, subelem_info); if (!subelem) { if ((parent_stmt == LY_STMT_DEVIATE) && isdevsub(cur_stmt)) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INDEV_YIN, lyplg_ext_stmt2str(cur_stmt)); } else { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_UNEXP_SUBELEM, (int)ctx->xmlctx->name_len, ctx->xmlctx->name, lyplg_ext_stmt2str(parent_stmt)); } ret = LY_EVALID; goto cleanup; } /* relative order is required only in module and submodule sub-elements */ if ((parent_stmt == LY_STMT_MODULE) || (parent_stmt == LY_STMT_SUBMODULE)) { ret = yin_check_relative_order(ctx, last_stmt, cur_stmt, parent_stmt); LY_CHECK_GOTO(ret, cleanup); } /* flag check */ if ((subelem->flags & YIN_SUBELEM_UNIQUE) && (subelem->flags & YIN_SUBELEM_PARSED)) { /* subelement uniquenes */ LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_SUBELEM_REDEF, lyplg_ext_stmt2str(cur_stmt), lyplg_ext_stmt2str(parent_stmt)); return LY_EVALID; } if (subelem->flags & YIN_SUBELEM_FIRST) { /* subelement is supposed to be defined as first subelement */ ret = yin_check_subelem_first_constraint(ctx, subelem_info, subelem_info_size, parent_stmt, subelem); LY_CHECK_GOTO(ret, cleanup); } if (subelem->flags & YIN_SUBELEM_VER2) { /* subelement is supported only in version 1.1 or higher */ if (PARSER_CUR_PMOD(ctx)->version < LYS_VERSION_1_1) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_INSUBELEM2, lyplg_ext_stmt2str(cur_stmt), lyplg_ext_stmt2str(parent_stmt)); ret = LY_EVALID; goto cleanup; } } /* note that element was parsed for easy uniqueness check in next iterations */ subelem->flags |= YIN_SUBELEM_PARSED; switch (cur_stmt) { /* call responsible function */ case LY_STMT_EXTENSION_INSTANCE: ret = yin_parse_extension_instance(ctx, parent, parent_stmt, (subelem->dest) ? *((LY_ARRAY_COUNT_TYPE *)subelem->dest) : 0, exts); break; case LY_STMT_ACTION: case LY_STMT_RPC: ret = yin_parse_action(ctx, (struct tree_node_meta *)subelem->dest); break; case LY_STMT_ANYDATA: case LY_STMT_ANYXML: ret = yin_parse_any(ctx, cur_stmt, (struct tree_node_meta *)subelem->dest); break; case LY_STMT_ARGUMENT: ret = yin_parse_argument(ctx, parent, (struct yin_argument_meta *)subelem->dest, exts); break; case LY_STMT_AUGMENT: ret = yin_parse_augment(ctx, (struct tree_node_meta *)subelem->dest); break; case LY_STMT_BASE: ret = yin_parse_base(ctx, parent_stmt, subelem->dest, exts); break; case LY_STMT_BELONGS_TO: ret = yin_parse_belongs_to(ctx, (struct lysp_submodule *)subelem->dest, exts); break; case LY_STMT_BIT: ret = yin_parse_bit(ctx, (struct lysp_type *)subelem->dest); break; case LY_STMT_CASE: ret = yin_parse_case(ctx, (struct tree_node_meta *)subelem->dest); break; case LY_STMT_CHOICE: ret = yin_parse_choice(ctx, (struct tree_node_meta *)subelem->dest); break; case LY_STMT_CONFIG: ret = yin_parse_config(ctx, (uint16_t *)subelem->dest, exts); break; case LY_STMT_CONTACT: case LY_STMT_DESCRIPTION: case LY_STMT_ORGANIZATION: case LY_STMT_REFERENCE: ret = yin_parse_meta(ctx, parent, cur_stmt, (const char **)subelem->dest, exts); break; case LY_STMT_CONTAINER: ret = yin_parse_container(ctx, (struct tree_node_meta *)subelem->dest); break; case LY_STMT_DEFAULT: ret = yin_parse_qname(ctx, cur_stmt, subelem, exts); break; case LY_STMT_ERROR_APP_TAG: case LY_STMT_KEY: ret = yin_parse_simple_elem(ctx, parent, cur_stmt, subelem, YIN_ARG_VALUE, Y_STR_ARG, exts); break; case LY_STMT_PRESENCE: ret = yin_parse_simple_elem(ctx, *(const char **)subelem->dest, cur_stmt, subelem, YIN_ARG_VALUE, Y_STR_ARG, exts); break; case LY_STMT_DEVIATE: ret = yin_parse_deviate(ctx, (struct lysp_deviate **)subelem->dest); break; case LY_STMT_DEVIATION: ret = yin_parse_deviation(ctx, (struct lysp_deviation **)subelem->dest); break; case LY_STMT_ENUM: ret = yin_parse_enum(ctx, (struct lysp_type *)subelem->dest); break; case LY_STMT_ERROR_MESSAGE: ret = yin_parse_err_msg(ctx, parent, (const char **)subelem->dest, exts); break; case LY_STMT_EXTENSION: ret = yin_parse_extension(ctx, (struct lysp_ext **)subelem->dest); break; case LY_STMT_FEATURE: ret = yin_parse_feature(ctx, (struct lysp_feature **)subelem->dest); break; case LY_STMT_FRACTION_DIGITS: ret = yin_parse_fracdigits(ctx, (struct lysp_type *)subelem->dest); break; case LY_STMT_GROUPING: ret = yin_parse_grouping(ctx, (struct tree_node_meta *)subelem->dest); break; case LY_STMT_IDENTITY: ret = yin_parse_identity(ctx, (struct lysp_ident **)subelem->dest); break; case LY_STMT_UNIQUE: case LY_STMT_IF_FEATURE: ret = yin_parse_qname(ctx, cur_stmt, subelem, exts); break; case LY_STMT_UNITS: ret = yin_parse_simple_elem(ctx, *(const char **)subelem->dest, cur_stmt, subelem, YIN_ARG_NAME, Y_STR_ARG, exts); break; case LY_STMT_IMPORT: ret = yin_parse_import(ctx, (struct import_meta *)subelem->dest); break; case LY_STMT_INCLUDE: if ((parent_stmt == LY_STMT_SUBMODULE) && (PARSER_CUR_PMOD(ctx)->version == LYS_VERSION_1_1)) { LOGWRN(PARSER_CTX(ctx), "YANG version 1.1 expects all includes in main module, includes in " "submodules (%s) are not necessary.", ((struct lysp_submodule *)PARSER_CUR_PMOD(ctx))->name); } ret = yin_parse_include(ctx, (struct include_meta *)subelem->dest); break; case LY_STMT_INPUT: case LY_STMT_OUTPUT: ret = yin_parse_inout(ctx, cur_stmt, (struct inout_meta *)subelem->dest); break; case LY_STMT_LEAF: ret = yin_parse_leaf(ctx, (struct tree_node_meta *)subelem->dest); break; case LY_STMT_LEAF_LIST: ret = yin_parse_leaflist(ctx, (struct tree_node_meta *)subelem->dest); break; case LY_STMT_LENGTH: ret = yin_parse_length(ctx, (struct lysp_type *)subelem->dest); break; case LY_STMT_LIST: ret = yin_parse_list(ctx, (struct tree_node_meta *)subelem->dest); break; case LY_STMT_MANDATORY: ret = yin_parse_mandatory(ctx, (uint16_t *)subelem->dest, exts); break; case LY_STMT_MAX_ELEMENTS: case LY_STMT_MIN_ELEMENTS: ret = yin_parse_minmax(ctx, parent_stmt, cur_stmt, subelem->dest); break; case LY_STMT_MODIFIER: ret = yin_parse_modifier(ctx, parent, (const char **)subelem->dest, exts); break; case LY_STMT_MUST: ret = yin_parse_must(ctx, (struct lysp_restr **)subelem->dest); break; case LY_STMT_NAMESPACE: ret = yin_parse_simple_elem(ctx, parent, cur_stmt, subelem, YIN_ARG_URI, Y_STR_ARG, exts); break; case LY_STMT_NOTIFICATION: ret = yin_parse_notification(ctx, (struct tree_node_meta *)subelem->dest); break; case LY_STMT_ORDERED_BY: ret = yin_parse_orderedby(ctx, parent, (uint16_t *)subelem->dest, exts); break; case LY_STMT_PATH: ret = yin_parse_path(ctx, (struct lysp_type *)subelem->dest); break; case LY_STMT_PATTERN: ret = yin_parse_pattern(ctx, (struct lysp_type *)subelem->dest); break; case LY_STMT_VALUE: case LY_STMT_POSITION: ret = yin_parse_value_pos(ctx, cur_stmt, (struct lysp_type_enum *)subelem->dest); break; case LY_STMT_PREFIX: ret = yin_parse_simple_elem(ctx, *(const char **)subelem->dest, cur_stmt, subelem, YIN_ARG_VALUE, Y_IDENTIF_ARG, exts); break; case LY_STMT_RANGE: ret = yin_parse_range(ctx, (struct lysp_type *)subelem->dest); break; case LY_STMT_REFINE: ret = yin_parse_refine(ctx, (struct lysp_refine **)subelem->dest); break; case LY_STMT_REQUIRE_INSTANCE: ret = yin_pasrse_reqinstance(ctx, (struct lysp_type *)subelem->dest); break; case LY_STMT_REVISION: ret = yin_parse_revision(ctx, (struct lysp_revision **)subelem->dest); break; case LY_STMT_REVISION_DATE: ret = yin_parse_revision_date(ctx, (char *)subelem->dest, exts); break; case LY_STMT_STATUS: ret = yin_parse_status(ctx, (uint16_t *)subelem->dest, exts); break; case LY_STMT_TYPE: ret = yin_parse_type(ctx, parent_stmt, subelem); break; case LY_STMT_TYPEDEF: ret = yin_parse_typedef(ctx, (struct tree_node_meta *)subelem->dest); break; case LY_STMT_USES: ret = yin_parse_uses(ctx, (struct tree_node_meta *)subelem->dest); break; case LY_STMT_WHEN: ret = yin_parse_when(ctx, (struct lysp_when **)subelem->dest); break; case LY_STMT_YANG_VERSION: ret = yin_parse_yangversion(ctx, parent, (uint8_t *)subelem->dest, exts); break; case LY_STMT_YIN_ELEMENT: ret = yin_parse_yin_element(ctx, parent, (uint16_t *)subelem->dest, exts); break; case LY_STMT_ARG_TEXT: case LY_STMT_ARG_VALUE: /* TODO what to do with content/attributes? */ LY_CHECK_GOTO(ret = lyxml_ctx_next(ctx->xmlctx), cleanup); while (ctx->xmlctx->status == LYXML_ATTRIBUTE) { LY_CHECK_GOTO(ret = lyxml_ctx_next(ctx->xmlctx), cleanup); LY_CHECK_GOTO(ret = lyxml_ctx_next(ctx->xmlctx), cleanup); } ret = yin_parse_content(ctx, NULL, 0, parent, cur_stmt, (const char **)subelem->dest, NULL); break; default: LOGINT(ctx->xmlctx->ctx); ret = LY_EINT; } LY_CHECK_GOTO(ret, cleanup); LY_CHECK_GOTO(ret = lyxml_ctx_next(ctx->xmlctx), cleanup); } } else { LY_CHECK_RET(ret); /* elements with text or none content */ /* save text content, if text_content isn't set, it's just ignored */ /* no resources are allocated in this branch, no need to use cleanup label */ LY_CHECK_RET(yin_validate_value(ctx, Y_STR_ARG)); if (text_content) { INSERT_STRING_RET(ctx->xmlctx->ctx, ctx->xmlctx->value, ctx->xmlctx->value_len, ctx->xmlctx->dynamic, *text_content); LY_CHECK_RET(!*text_content, LY_EMEM); } LY_CHECK_GOTO(ret = lyxml_ctx_next(ctx->xmlctx), cleanup); } /* mandatory subelements are checked only after whole element was succesfully parsed */ LY_CHECK_RET(yin_check_subelem_mandatory_constraint(ctx, subelem_info, subelem_info_size, parent_stmt)); cleanup: return ret; } /** * @brief Parse module element. * * @param[in,out] ctx Yin parser context for logging and to store current state. * @param[out] mod Parsed module structure. * @return LY_ERR values. */ LY_ERR yin_parse_mod(struct lysp_yin_ctx *ctx, struct lysp_module *mod) { LY_ERR ret = LY_SUCCESS; struct yin_subelement *subelems = NULL; const struct lysp_submodule *dup; size_t subelems_size; mod->is_submod = 0; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, &mod->mod->name, Y_IDENTIF_ARG, LY_STMT_MODULE)); LY_CHECK_RET(subelems_allocator(ctx, subelems_size = 28, NULL, &subelems, LY_STMT_ANYDATA, &mod->data, YIN_SUBELEM_VER2, LY_STMT_ANYXML, &mod->data, 0, LY_STMT_AUGMENT, &mod->augments, 0, LY_STMT_CHOICE, &mod->data, 0, LY_STMT_CONTACT, &mod->mod->contact, YIN_SUBELEM_UNIQUE, LY_STMT_CONTAINER, &mod->data, 0, LY_STMT_DESCRIPTION, &mod->mod->dsc, YIN_SUBELEM_UNIQUE, LY_STMT_DEVIATION, &mod->deviations, 0, LY_STMT_EXTENSION, &mod->extensions, 0, LY_STMT_FEATURE, &mod->features, 0, LY_STMT_GROUPING, &mod->groupings, 0, LY_STMT_IDENTITY, &mod->identities, 0, LY_STMT_IMPORT, mod->mod->prefix, &mod->imports, 0, LY_STMT_INCLUDE, mod->mod->name, &mod->includes, 0, LY_STMT_LEAF, &mod->data, 0, LY_STMT_LEAF_LIST, &mod->data, 0, LY_STMT_LIST, &mod->data, 0, LY_STMT_NAMESPACE, &mod->mod->ns, YIN_SUBELEM_MANDATORY | YIN_SUBELEM_UNIQUE, LY_STMT_NOTIFICATION, &mod->notifs, 0, LY_STMT_ORGANIZATION, &mod->mod->org, YIN_SUBELEM_UNIQUE, LY_STMT_PREFIX, &mod->mod->prefix, YIN_SUBELEM_MANDATORY | YIN_SUBELEM_UNIQUE, LY_STMT_REFERENCE, &mod->mod->ref, YIN_SUBELEM_UNIQUE, LY_STMT_REVISION, &mod->revs, 0, LY_STMT_RPC, &mod->rpcs, 0, LY_STMT_TYPEDEF, &mod->typedefs, 0, LY_STMT_USES, &mod->data, 0, LY_STMT_YANG_VERSION, &mod->version, YIN_SUBELEM_UNIQUE, LY_STMT_EXTENSION_INSTANCE, NULL, 0)); ret = yin_parse_content(ctx, subelems, subelems_size, mod, LY_STMT_MODULE, NULL, &mod->exts); subelems_deallocator(subelems_size, subelems); LY_CHECK_RET(ret); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, mod->exts)); /* submodules share the namespace with the module names, so there must not be * a submodule of the same name in the context, no need for revision matching */ dup = ly_ctx_get_submodule_latest(ctx->xmlctx->ctx, mod->mod->name); if (dup) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_NAME2_COL, "module", "submodule", mod->mod->name); return LY_EVALID; } return LY_SUCCESS; } /** * @brief Parse submodule element. * * @param[in,out] ctx Yin parser context for logging and to store current state. * @param[in] mod_attrs Attributes of submodule element. * @param[out] submod Parsed submodule structure. * @return LY_ERR values. */ LY_ERR yin_parse_submod(struct lysp_yin_ctx *ctx, struct lysp_submodule *submod) { LY_ERR ret = LY_SUCCESS; struct yin_subelement *subelems = NULL; const struct lysp_submodule *dup; size_t subelems_size; submod->is_submod = 1; LY_CHECK_RET(lyxml_ctx_next(ctx->xmlctx)); LY_CHECK_RET(yin_parse_attribute(ctx, YIN_ARG_NAME, &submod->name, Y_IDENTIF_ARG, LY_STMT_SUBMODULE)); LY_CHECK_RET(subelems_allocator(ctx, subelems_size = 27, NULL, &subelems, LY_STMT_ANYDATA, &submod->data, YIN_SUBELEM_VER2, LY_STMT_ANYXML, &submod->data, 0, LY_STMT_AUGMENT, &submod->augments, 0, LY_STMT_BELONGS_TO, submod, YIN_SUBELEM_MANDATORY | YIN_SUBELEM_UNIQUE, LY_STMT_CHOICE, &submod->data, 0, LY_STMT_CONTACT, &submod->contact, YIN_SUBELEM_UNIQUE, LY_STMT_CONTAINER, &submod->data, 0, LY_STMT_DESCRIPTION, &submod->dsc, YIN_SUBELEM_UNIQUE, LY_STMT_DEVIATION, &submod->deviations, 0, LY_STMT_EXTENSION, &submod->extensions, 0, LY_STMT_FEATURE, &submod->features, 0, LY_STMT_GROUPING, &submod->groupings, 0, LY_STMT_IDENTITY, &submod->identities, 0, LY_STMT_IMPORT, submod->prefix, &submod->imports, 0, LY_STMT_INCLUDE, submod->name, &submod->includes, 0, LY_STMT_LEAF, &submod->data, 0, LY_STMT_LEAF_LIST, &submod->data, 0, LY_STMT_LIST, &submod->data, 0, LY_STMT_NOTIFICATION, &submod->notifs, 0, LY_STMT_ORGANIZATION, &submod->org, YIN_SUBELEM_UNIQUE, LY_STMT_REFERENCE, &submod->ref, YIN_SUBELEM_UNIQUE, LY_STMT_REVISION, &submod->revs, 0, LY_STMT_RPC, &submod->rpcs, 0, LY_STMT_TYPEDEF, &submod->typedefs, 0, LY_STMT_USES, &submod->data, 0, LY_STMT_YANG_VERSION, &submod->version, YIN_SUBELEM_UNIQUE, LY_STMT_EXTENSION_INSTANCE, NULL, 0)); ret = yin_parse_content(ctx, subelems, subelems_size, submod, LY_STMT_SUBMODULE, NULL, &submod->exts); subelems_deallocator(subelems_size, subelems); LY_CHECK_RET(ret); /* store extension instance array (no realloc anymore) to find the plugin records and finish parsing */ LY_CHECK_RET(yin_unres_exts_add(ctx, submod->exts)); /* submodules share the namespace with the module names, so there must not be * a submodule of the same name in the context, no need for revision matching */ dup = ly_ctx_get_submodule_latest(ctx->xmlctx->ctx, submod->name); if (dup && strcmp(dup->mod->name, submod->mod->name)) { LOGVAL_PARSER((struct lysp_ctx *)ctx, LY_VCODE_NAME_COL, "submodules", dup->name); return LY_EVALID; } return LY_SUCCESS; } LY_ERR yin_parse_submodule(struct lysp_yin_ctx **yin_ctx, struct ly_ctx *ctx, struct lysp_ctx *main_ctx, struct ly_in *in, struct lysp_submodule **submod) { enum ly_stmt kw = LY_STMT_NONE; LY_ERR ret = LY_SUCCESS; struct lysp_submodule *mod_p = NULL; struct lysf_ctx fctx = {.ctx = ctx}; assert(yin_ctx && ctx && main_ctx && in && submod); /* create context */ *yin_ctx = calloc(1, sizeof **yin_ctx); LY_CHECK_ERR_RET(!(*yin_ctx), LOGMEM(ctx), LY_EMEM); (*yin_ctx)->format = LYS_IN_YIN; (*yin_ctx)->main_ctx = main_ctx; LY_CHECK_RET(lyxml_ctx_new(ctx, in, &(*yin_ctx)->xmlctx)); mod_p = calloc(1, sizeof *mod_p); LY_CHECK_ERR_GOTO(!mod_p, LOGMEM(ctx); ret = LY_EMEM, cleanup); mod_p->mod = PARSER_CUR_PMOD(main_ctx)->mod; mod_p->parsing = 1; /* use main context parsed mods adding the current one */ (*yin_ctx)->parsed_mods = main_ctx->parsed_mods; ly_set_add((*yin_ctx)->parsed_mods, mod_p, 1, NULL); /* check submodule */ kw = yin_match_keyword(*yin_ctx, (*yin_ctx)->xmlctx->name, (*yin_ctx)->xmlctx->name_len, (*yin_ctx)->xmlctx->prefix, (*yin_ctx)->xmlctx->prefix_len, LY_STMT_NONE); if (kw == LY_STMT_MODULE) { LOGERR(ctx, LY_EDENIED, "Input data contains module when a submodule is expected."); ret = LY_EINVAL; goto cleanup; } else if (kw != LY_STMT_SUBMODULE) { LOGVAL_PARSER((struct lysp_ctx *)*yin_ctx, LY_VCODE_MOD_SUBOMD, lyplg_ext_stmt2str(kw)); ret = LY_EVALID; goto cleanup; } ret = yin_parse_submod(*yin_ctx, mod_p); LY_CHECK_GOTO(ret, cleanup); /* skip possible trailing whitespaces at end of the input */ while (isspace(in->current[0])) { if (in->current[0] == '\n') { LY_IN_NEW_LINE(in); } ly_in_skip(in, 1); } if (in->current[0]) { LOGVAL_PARSER((struct lysp_ctx *)*yin_ctx, LY_VCODE_TRAILING_SUBMOD, 15, in->current, strlen(in->current) > 15 ? "..." : ""); ret = LY_EVALID; goto cleanup; } mod_p->parsing = 0; *submod = mod_p; cleanup: ly_log_location_revert(0, 0, 0, 1); if (ret) { lysp_module_free(&fctx, (struct lysp_module *)mod_p); lysp_yin_ctx_free(*yin_ctx); *yin_ctx = NULL; } return ret; } LY_ERR yin_parse_module(struct lysp_yin_ctx **yin_ctx, struct ly_in *in, struct lys_module *mod) { LY_ERR ret = LY_SUCCESS; enum ly_stmt kw = LY_STMT_NONE; struct lysp_module *mod_p = NULL; struct lysf_ctx fctx = {.ctx = mod->ctx}; /* create context */ *yin_ctx = calloc(1, sizeof **yin_ctx); LY_CHECK_ERR_RET(!(*yin_ctx), LOGMEM(mod->ctx), LY_EMEM); (*yin_ctx)->format = LYS_IN_YIN; LY_CHECK_ERR_RET(ly_set_new(&(*yin_ctx)->parsed_mods), free(*yin_ctx); LOGMEM(mod->ctx), LY_EMEM); LY_CHECK_RET(lyxml_ctx_new(mod->ctx, in, &(*yin_ctx)->xmlctx)); (*yin_ctx)->main_ctx = (struct lysp_ctx *)(*yin_ctx); mod_p = calloc(1, sizeof *mod_p); LY_CHECK_ERR_GOTO(!mod_p, LOGMEM(mod->ctx), cleanup); mod_p->mod = mod; ly_set_add((*yin_ctx)->parsed_mods, mod_p, 1, NULL); /* check module */ kw = yin_match_keyword(*yin_ctx, (*yin_ctx)->xmlctx->name, (*yin_ctx)->xmlctx->name_len, (*yin_ctx)->xmlctx->prefix, (*yin_ctx)->xmlctx->prefix_len, LY_STMT_NONE); if (kw == LY_STMT_SUBMODULE) { LOGERR(mod->ctx, LY_EDENIED, "Input data contains submodule which cannot be parsed directly without its main module."); ret = LY_EINVAL; goto cleanup; } else if (kw != LY_STMT_MODULE) { LOGVAL_PARSER((struct lysp_ctx *)*yin_ctx, LY_VCODE_MOD_SUBOMD, lyplg_ext_stmt2str(kw)); ret = LY_EVALID; goto cleanup; } /* parse module substatements */ ret = yin_parse_mod(*yin_ctx, mod_p); LY_CHECK_GOTO(ret, cleanup); /* skip possible trailing whitespaces at end of the input */ while (isspace(in->current[0])) { if (in->current[0] == '\n') { LY_IN_NEW_LINE(in); } ly_in_skip(in, 1); } if (in->current[0]) { LOGVAL_PARSER((struct lysp_ctx *)*yin_ctx, LY_VCODE_TRAILING_MOD, 15, in->current, strlen(in->current) > 15 ? "..." : ""); ret = LY_EVALID; goto cleanup; } mod->parsed = mod_p; cleanup: ly_log_location_revert(0, 0, 0, 1); if (ret) { lysp_module_free(&fctx, mod_p); lysp_yin_ctx_free(*yin_ctx); *yin_ctx = NULL; } return ret; }