97 lines
4.3 KiB
C
97 lines
4.3 KiB
C
/*
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*
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***** BEGIN LICENSE BLOCK *****
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Copyright (C) 2009-2016 Olof Hagsand and Benny Holmgren
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Copyright (C) 2017-2019 Olof Hagsand
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Copyright (C) 2020 Olof Hagsand and Rubicon Communications, LLC(Netgate)
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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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* "Instance-identifier" is a subset of XML Xpaths and defined in Yang, used in NACM for example.
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* and defined in RF7950 Sections 9.13 and 14.
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*
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* "api-path" is "URI-encoded path expression" definition in RFC8040 3.5.3
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* BNF:
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* <api-path> := <root> ("/" (<api-identifier> | <list-instance>))*
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* <root> := <string>
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* <api-identifier> := [<module-name> ":"] <identifier>
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* <module-name> := <identifier>
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* <list-instance> := <api-identifier> "=" key-value *("," key-value)
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* <key-value> := <string>
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* <string> := <an unquoted string>
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* <identifier> := (<ALPHA> | "_") (<ALPHA> | <DIGIT> | "_" | "-" | ".")
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*/
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#ifndef _CLIXON_PATH_H_
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#define _CLIXON_PATH_H_
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/*
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* Types
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*/
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/* Internal path structure. Somewhat more general than api-path, much less than xpath
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* about the same as yang instance-identifier
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* Not that cp_cvk api-paths do not specifiy key-names, so cp_cvk is just a list of
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* (NULL:value)*, which means that names must be added using api_path_check() based on
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* yang.
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* Other formats (eg xpath) have the names given in the format.
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*/
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typedef struct {
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qelem_t cp_qelem; /* List header */
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char *cp_prefix; /* Prefix or module name, should be resolved + id to cp_yang */
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char *cp_id; /* Identifier */
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cvec *cp_cvk; /* Key values: list of (name:value) pairs alt (NULL:value)
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* Can also be single uint32, if so positional eg x/y[42]
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* This seems kludgy but follows RFC 7950 Sec 9.13
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*/
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yang_stmt *cp_yang; /* Corresponding yang spec (after XML match - ie resolved) */
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} clixon_path;
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/*
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* Prototypes
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*/
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int xml_yang_root(cxobj *x, cxobj **xr);
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int yang2api_path_fmt(yang_stmt *ys, int inclkey, char **api_path_fmt);
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int api_path_fmt2api_path(char *api_path_fmt, cvec *cvv, char **api_path);
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int api_path_fmt2xpath(char *api_path_fmt, cvec *cvv, char **xpath);
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int api_path2xpath(char *api_path, yang_stmt *yspec, char **xpath, cvec **nsc, cxobj **xerr);
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int api_path2xml(char *api_path, yang_stmt *yspec, cxobj *xtop,
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yang_class nodeclass, int strict,
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cxobj **xpathp, yang_stmt **ypathp, cxobj **xerr);
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int xml2api_path_1(cxobj *x, cbuf *cb);
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#if defined(__GNUC__) && __GNUC__ >= 3
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int clixon_xml_find_api_path(cxobj *xt, yang_stmt *yt, cxobj ***xvec, int *xlen, const char *format,
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...) __attribute__ ((format (printf, 5, 6)));;
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int clixon_xml_find_instance_id(cxobj *xt, yang_stmt *yt, cxobj ***xvec, int *xlen, const char *format,
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...) __attribute__ ((format (printf, 5, 6)));;
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#else
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int clixon_xml_find_api_path(cxobj *xt, yang_stmt *yt, cxobj ***xvec, int *xlen, const char *format, ...);
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int clixon_xml_find_instance_id(cxobj *xt, yang_stmt *yt, cxobj ***xvec, int *xlen, const char *format, ...);
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#endif
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#endif /* _CLIXON_PATH_H_ */
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