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/*
Copyright (c) 2006-2010 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
GlusterFS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.
GlusterFS is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see
<http://www.gnu.org/licenses/>.
*/
%x STRING
%option yylineno
%option noinput
%{
#define YYSTYPE char *
#include "xlator.h"
#include "y.tab.h"
#include <string.h>
#define START_STRSIZE 32
static char *text;
static int text_asize;
static int text_size;
void append_string(const char *str, int size)
{
int new_size = text_size + size + 1;
if (new_size > text_asize) {
new_size += START_STRSIZE - 1;
new_size &= -START_STRSIZE;
if (!text) {
text = GF_CALLOC (1, new_size,
gf_common_mt_char);
} else {
text = GF_REALLOC (text, new_size);
}
if (!text) {
gf_log ("parser", GF_LOG_ERROR,
"out of memory");
return;
}
text_asize = new_size;
}
memcpy(text + text_size, str, size);
text_size += size;
text[text_size] = 0;
}
%}
VOLUME [v][o][l][u][m][e]
END [e][n][d]
SUB [s][u][b]
OPTION [o][p][t][i][o][n]
TYPE [t][y][p][e]
%%
\#.* ;
{VOLUME} return VOLUME_BEGIN;
{TYPE} return TYPE;
{END}[-]{VOLUME} return VOLUME_END;
{SUB}{VOLUME}[Ss] return SUBVOLUME;
{OPTION} return OPTION;
\" BEGIN(STRING);
<STRING>{
[^\n\"\\]* { append_string (yytext, yyleng); }
\\. { append_string (yytext + 1, yyleng - 1); }
\" {
if (0) {
yyunput (0, NULL);
}
BEGIN (INITIAL);
yylval = text;
return STRING_TOK;
}
}
[^ \t\r\n\"\\]+ { yylval = gf_strdup (yytext) ; return ID; }
[ \t\r\n]+ ;
%%
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