188 lines
7.6 KiB
Text
188 lines
7.6 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 Olof Hagsand and Rubicon Communications, LLC
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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_xpath_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_string.h"
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#include "clixon_xml.h"
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#include "clixon_xpath_ctx.h"
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#include "clixon_xpath.h"
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#include "clixon_xpath_parse.h"
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#include "clixon_xpath_eval.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_xpath_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 _XPY ((clixon_xpath_yacc *)_yy)
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#define MAXBUF 4*4*64*1024
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#undef clixon_xpath_parsewrap
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int
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clixon_xpath_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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namestart [A-Z_a-z]
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namechar [A-Z_a-z\-\.0-9]
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ncname {namestart}{namechar}*
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%x TOKEN
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%s QLITERAL
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%s ALITERAL
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%%
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<TOKEN>[ \t]
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<TOKEN>\n { _XPY->xpy_linenum++; }
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<TOKEN>\r { }
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<TOKEN><<EOF>> { return X_EOF; }
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<TOKEN>".." { return DOUBLEDOT; }
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<TOKEN>[()\[\]\.,/:|] { return *yytext; }
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<TOKEN>and { clixon_xpath_parselval.intval = clicon_str2int(xpopmap, yytext); return LOGOP; }
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<TOKEN>or { clixon_xpath_parselval.intval = clicon_str2int(xpopmap, yytext); return LOGOP; }
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<TOKEN>div { clixon_xpath_parselval.intval = clicon_str2int(xpopmap,yytext); return ADDOP; }
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<TOKEN>mod { clixon_xpath_parselval.intval = clicon_str2int(xpopmap,yytext); return ADDOP; }
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<TOKEN>[+*\-] { clixon_xpath_parselval.intval = clicon_str2int(xpopmap,yytext); return ADDOP; }
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<TOKEN>\? { return *yytext; }
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<TOKEN>"//" { return DOUBLESLASH; }
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<TOKEN>"!=" { clixon_xpath_parselval.intval = clicon_str2int(xpopmap,yytext); return RELOP; }
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<TOKEN>">=" { clixon_xpath_parselval.intval = clicon_str2int(xpopmap,yytext);return RELOP; }
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<TOKEN>"<=" { clixon_xpath_parselval.intval = clicon_str2int(xpopmap,yytext);return RELOP; }
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<TOKEN>[<>=] { clixon_xpath_parselval.intval = clicon_str2int(xpopmap,yytext);return RELOP; }
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<TOKEN>last { clixon_xpath_parselval.string = strdup(yytext); return FUNCTIONNAME; }
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<TOKEN>position { clixon_xpath_parselval.string = strdup(yytext); return FUNCTIONNAME; }
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<TOKEN>count { clixon_xpath_parselval.string = strdup(yytext); return FUNCTIONNAME; }
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<TOKEN>re-match { clixon_xpath_parselval.string = strdup(yytext); return FUNCTIONNAME; }
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<TOKEN>deref { clixon_xpath_parselval.string = strdup(yytext); return FUNCTIONNAME; }
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<TOKEN>derived-from { clixon_xpath_parselval.string = strdup(yytext); return FUNCTIONNAME; }
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<TOKEN>derived-from-or-self { clixon_xpath_parselval.string = strdup(yytext); return FUNCTIONNAME; }
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<TOKEN>enum-value { clixon_xpath_parselval.string = strdup(yytext); return FUNCTIONNAME; }
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<TOKEN>bit-is-set { clixon_xpath_parselval.string = strdup(yytext); return FUNCTIONNAME; }
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<TOKEN>@ { return *yytext; }
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<TOKEN>ancestor:: { clixon_xpath_parselval.intval = A_ANCESTOR; return AXISNAME; }
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<TOKEN>ancestor-or-self:: { clixon_xpath_parselval.intval = A_ANCESTOR_OR_SELF; return AXISNAME; }
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<TOKEN>attribute:: { clixon_xpath_parselval.intval = A_ATTRIBUTE; return AXISNAME; }
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<TOKEN>child:: { clixon_xpath_parselval.intval = A_CHILD; return AXISNAME; }
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<TOKEN>descendant:: { clixon_xpath_parselval.intval = A_DESCENDANT; return AXISNAME; }
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<TOKEN>descendant-or-self:: { clixon_xpath_parselval.intval = A_DESCENDANT_OR_SELF; return AXISNAME; }
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<TOKEN>following:: { clixon_xpath_parselval.intval = A_FOLLOWING; return AXISNAME; }
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<TOKEN>following-sibling:: { clixon_xpath_parselval.intval = A_FOLLOWING_SIBLING; return AXISNAME; }
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<TOKEN>namespace:: { clixon_xpath_parselval.intval = A_NAMESPACE; return AXISNAME; }
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<TOKEN>parent:: { clixon_xpath_parselval.intval = A_PARENT; return AXISNAME; }
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<TOKEN>preceding:: { clixon_xpath_parselval.intval = A_PRECEDING; return AXISNAME; }
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<TOKEN>preceding-sibling:: { clixon_xpath_parselval.intval = A_PRECEDING_SIBLING; return AXISNAME; }
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<TOKEN>self:: { clixon_xpath_parselval.intval = A_SELF; return AXISNAME; }
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<TOKEN>current { clixon_xpath_parselval.string = strdup(yytext); return NODETYPE; }
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<TOKEN>comment { clixon_xpath_parselval.string = strdup(yytext); return NODETYPE; }
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<TOKEN>text { clixon_xpath_parselval.string = strdup(yytext); return NODETYPE; }
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<TOKEN>processing-instructions { clixon_xpath_parselval.string = strdup(yytext); return NODETYPE; }
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<TOKEN>node { clixon_xpath_parselval.string = strdup(yytext); return NODETYPE; }
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<TOKEN>\" { BEGIN(QLITERAL); return QUOTE; }
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<TOKEN>\' { BEGIN(ALITERAL); return APOST; }
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<TOKEN>\-?({integer}|{real}) { clixon_xpath_parselval.string = strdup(yytext); return NUMBER; }
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<TOKEN>{ncname} { clixon_xpath_parselval.string = strdup(yytext);
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return NAME; /* rather be catch-all */
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}
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<TOKEN>. { fprintf(stderr,"LEXICAL ERROR\n"); return -1; }
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<QLITERAL>\" { BEGIN(TOKEN); return QUOTE; }
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<QLITERAL>[^"]+ { clixon_xpath_parselval.string = strdup(yytext);
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return CHARS;}
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<ALITERAL>\' { BEGIN(TOKEN); return APOST; }
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<ALITERAL>[^']+ { clixon_xpath_parselval.string = strdup(yytext);
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return CHARS;}
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%%
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/*! Initialize scanner.
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*/
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int
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xpath_scan_init(clixon_xpath_yacc *xpy)
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{
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BEGIN(TOKEN);
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xpy->xpy_lexbuf = yy_scan_string (xpy->xpy_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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xpath_scan_exit(clixon_xpath_yacc *xpy)
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{
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yy_delete_buffer(xpy->xpy_lexbuf);
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clixon_xpath_parselex_destroy(); /* modern */
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return 0;
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}
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