122 lines
5.1 KiB
C
122 lines
5.1 KiB
C
/*
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*
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***** BEGIN LICENSE BLOCK *****
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Copyright (C) 2009-2019 Olof Hagsand
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This file is part of CLIXON.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Alternatively, the contents of this file may be used under the terms of
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the GNU General Public License Version 3 or later (the "GPL"),
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in which case the provisions of the GPL are applicable instead
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of those above. If you wish to allow use of your version of this file only
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under the terms of the GPL, and not to allow others to
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use your version of this file under the terms of Apache License version 2,
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indicate your decision by deleting the provisions above and replace them with
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the notice and other provisions required by the GPL. If you do not delete
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the provisions above, a recipient may use your version of this file under
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the terms of any one of the Apache License version 2 or the GPL.
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***** END LICENSE BLOCK *****
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* Yang functions
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* @see https://tools.ietf.org/html/rfc6020 YANG 1.0
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* @see https://tools.ietf.org/html/rfc7950 YANG 1.1
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*/
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#ifndef _CLIXON_YANG_INTERNAL_H_
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#define _CLIXON_YANG_INTERNAL_H_
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/*
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* Clixon-specific cligen variable (cv) flags
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* CLIgen flags defined are in the range 0x01 -0x0f
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* An application can use any flags above that
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* @see cv_flag
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*/
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#define V_UNSET 0x10 /* Used by XML code to denote a value is not default */
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#define YANG_FLAG_MARK 0x01 /* Marker for dynamic algorithms, eg expand */
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/*! Yang type cache. Yang type statements can cache all typedef info here
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* @note unions not cached
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*/
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struct yang_type_cache{
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int yc_options; /* See YANG_OPTIONS_* that determines pattern/
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fraction fields. */
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cvec *yc_cvv; /* Range and length restriction. (if YANG_OPTION_
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LENGTH|RANGE. Can be a vector if multiple
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ranges*/
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cvec *yc_patterns; /* list of regexp, if cvec_len() > 0 */
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int yc_rxmode; /* need to store mode for freeing since handle may not be available */
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cvec *yc_regexps; /* list of _compiled_ regexp, if cvec_len() > 0 */
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uint8_t yc_fraction; /* Fraction digits for decimal64 (if
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YANG_OPTIONS_FRACTION_DIGITS */
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yang_stmt *yc_resolved; /* Resolved type object, can be NULL - note direct ptr */
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};
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typedef struct yang_type_cache yang_type_cache;
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/*! yang statement
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*/
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struct yang_stmt{
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int ys_len; /* Number of children */
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struct yang_stmt **ys_stmt; /* Vector of children statement pointers */
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struct yang_stmt *ys_parent; /* Backpointer to parent: yang-stmt or yang-spec */
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enum rfc_6020 ys_keyword; /* See clicon_yang_parse.tab.h */
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char *ys_argument; /* String / argument depending on keyword */
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int ys_flags; /* Flags according to YANG_FLAG_* above */
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yang_stmt *ys_mymodule; /* Shortcut to "my" module. Augmented
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nodes can belong to other
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modules than the ancestor module */
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char *ys_extra; /* For unknown */
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cg_var *ys_cv; /* cligen variable. See ys_populate()
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Following stmts have cv:s:
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leaf: for default value
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leaf-list,
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config: boolean true or false
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mandatory: boolean true or false
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fraction-digits for fraction-digits
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unknown-stmt (argument)
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*/
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cvec *ys_cvec; /* List of stmt-specific variables
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Y_RANGE: range_min, range_max
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Y_LIST: vector of keys
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Y_TYPE & identity: store all derived
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types as <prefix>:<id> list
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*/
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yang_type_cache *ys_typecache; /* If ys_keyword==Y_TYPE, cache all typedef data except unions */
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int _ys_vector_i; /* internal use: yn_each */
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};
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/* Yang data definition statement
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* See RFC 7950 Sec 3:
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* o data definition statement: A statement that defines new data
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* nodes. One of "container", "leaf", "leaf-list", "list", "choice",
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* "case", "augment", "uses", "anydata", and "anyxml".
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*/
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#define yang_datadefinition(y) (yang_datanode(y) || (y)->ys_keyword == Y_CHOICE || (y)->ys_keyword == Y_CASE || (y)->ys_keyword == Y_AUGMENT || (y)->ys_keyword == Y_USES)
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/* Yang schema node .
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* See RFC 7950 Sec 3:
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* o schema node: A node in the schema tree. One of action, container,
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* leaf, leaf-list, list, choice, case, rpc, input, output,
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* notification, anydata, and anyxml.
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*/
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#define yang_schemanode(y) (yang_datanode(y) || (y)->ys_keyword == Y_RPC || (y)->ys_keyword == Y_CHOICE || (y)->ys_keyword == Y_CASE || (y)->ys_keyword == Y_INPUT || (y)->ys_keyword == Y_OUTPUT || (y)->ys_keyword == Y_NOTIFICATION)
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#endif /* _CLIXON_YANG_INTERNAL_H_ */
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