146 lines
4.1 KiB
Text
146 lines
4.1 KiB
Text
/*
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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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Copyright (C) 2020-2021 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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*/
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%{
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#include "clixon_config.h"
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#include <stdio.h>
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#include <string.h>
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#include <stdint.h>
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#include <errno.h>
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#include <netinet/in.h>
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#include "clixon_json_parse.tab.h" /* generated */
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#include <cligen/cligen.h>
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#include "clixon_queue.h"
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#include "clixon_hash.h"
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#include "clixon_handle.h"
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#include "clixon_yang.h"
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#include "clixon_log.h"
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#include "clixon_xml.h"
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#include "clixon_json_parse.h"
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/* Redefine main lex function so that you can send arguments to it: _yy is added to arg list */
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#define YY_DECL int clixon_json_parselex(void *_yy)
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/* Dont use input function (use user-buffer) */
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#define YY_NO_INPUT
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/* typecast macro */
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#define _JY ((clixon_json_yacc *)_yy)
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#define MAXBUF 4*4*64*1024
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#undef clixon_json_parsewrap
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int
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clixon_json_parsewrap(void)
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{
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return 1;
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}
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%}
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digit [0-9]
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integer {digit}+
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real ({digit}+[.]{digit}*)|({digit}*[.]{digit}+)
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exp ({integer}|{real})[eE][+-]{integer}
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%x START
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%s STRING
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%s ESCAPE
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%%
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<START>[ \t]
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<START>\n { _JY->jy_linenum++; }
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<START>\r
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<START><<EOF>> { return J_EOF; }
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<START>\{ { return *yytext; }
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<START>\} { return *yytext; }
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<START>\[ { return *yytext; }
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<START>\] { return *yytext; }
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<START>\: { return *yytext; }
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<START>\, { return *yytext; }
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<START>\" { BEGIN(STRING); return J_DQ; }
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<START>null { return J_NULL; }
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<START>false { return J_FALSE; }
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<START>true { return J_TRUE; }
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<START>\-?({integer}|{real}|{exp}) { clixon_json_parselval.string = strdup(yytext); return J_NUMBER;}
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<START>. { return -1; }
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<STRING>\" { BEGIN(START); return J_DQ; }
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<STRING>\\ { BEGIN(ESCAPE); }
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<STRING>\n { _JY->jy_linenum++;
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clixon_json_parselval.string = strdup(yytext);
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return J_CHAR;}
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<STRING>. { clixon_json_parselval.string = strdup(yytext);
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return J_CHAR;}
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<ESCAPE>. { BEGIN(STRING);
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clixon_json_parselval.string = strdup(yytext);
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return J_CHAR; }
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%%
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/*! Initialize scanner.
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*/
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int
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json_scan_init(clixon_json_yacc *jy)
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{
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BEGIN(START);
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jy->jy_lexbuf = yy_scan_string (jy->jy_parse_string);
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#if 1 /* XXX: just to use unput to avoid warning */
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if (0)
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yyunput(0, "");
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#endif
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return 0;
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}
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/*
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* free buffers
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* Even within Flex version 2.5 (this is assumed), freeing buffers is different.
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*/
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int
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json_scan_exit(clixon_json_yacc *jy)
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{
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yy_delete_buffer(jy->jy_lexbuf);
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clixon_json_parselex_destroy(); /* modern */
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return 0;
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}
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