token.h

Go to the documentation of this file.

/*
 *  This program 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 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */
#ifndef _FR_TOKEN_H
#define _FR_TOKEN_H
/**
 * $Id: 3352d6764506bf1b2e2b9a3df2f64b656ed69f00 $
 *
 * @file include/token.h
 * @brief Tokenisation code and constants.
 *
 * @copyright 2001,2006  The FreeRADIUS server project
 */
RCSIDH(token_h, "$Id: 3352d6764506bf1b2e2b9a3df2f64b656ed69f00 $")

#ifdef __cplusplus
extern "C" {
#endif

typedef enum fr_token {
        T_INVALID = 0,                  /* invalid token */
        T_EOL,                          /* end of line */
        T_LCBRACE,                      /* { */
        T_RCBRACE,                      /* } */
        T_LBRACE,                       /* ( */
        T_RBRACE,                       /* )             5 */
        T_COMMA,                        /* , */
        T_SEMICOLON,                    /* ; */

        T_OP_INCRM,                     /* ++ */
        T_OP_ADD,                       /* += */
        T_OP_SUB,                       /* -=           10 */
        T_OP_SET,                       /* := */
        T_OP_EQ,                        /* = */
        T_OP_NE,                        /* != */
        T_OP_GE,                        /* >= */
        T_OP_GT,                        /* >            15 */
        T_OP_LE,                        /* <= */
        T_OP_LT,                        /* < */
        T_OP_REG_EQ,                    /* =~ */
        T_OP_REG_NE,                    /* !~ */
        T_OP_CMP_TRUE,                  /* =*           20 */
        T_OP_CMP_FALSE,                 /* !* */
        T_OP_CMP_EQ,                    /* == */
        T_HASH,                         /* # */
        T_BARE_WORD,                    /* bare word */
        T_DOUBLE_QUOTED_STRING,         /* "foo"        25 */
        T_SINGLE_QUOTED_STRING,         /* 'foo' */
        T_BACK_QUOTED_STRING,           /* `foo` */
        T_TOKEN_LAST
} FR_TOKEN;

#define T_EQSTART       T_OP_ADD
#define T_EQEND         (T_OP_CMP_EQ + 1)

typedef struct FR_NAME_NUMBER {
        char const      *name;
        int             number;
} FR_NAME_NUMBER;

extern const FR_NAME_NUMBER fr_tokens_table[];
extern const char *fr_tokens[];
extern const char fr_token_quote[];
extern const bool fr_assignment_op[];
extern const bool fr_equality_op[];
extern const bool fr_str_tok[];

int fr_str2int(FR_NAME_NUMBER const *table, char const *name, int def);
int fr_substr2int(FR_NAME_NUMBER const *table, char const *name, int def, int len);
char const *fr_int2str(FR_NAME_NUMBER const *table, int number, char const *def);

int             getword (char const **ptr, char *buf, int buflen, bool unescape);
FR_TOKEN        gettoken(char const **ptr, char *buf, int buflen, bool unescape);
FR_TOKEN        getop(char const **ptr);
FR_TOKEN        getstring(char const **ptr, char *buf, int buflen, bool unescape);
char const      *fr_token_name(int);

#ifdef __cplusplus
}
#endif
#endif /* _FR_TOKEN_H */