sexp-manip.h

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/*
 * Copyright 2009 Red Hat Inc., Durham, North Carolina.
 * All Rights Reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software 
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * Authors:
 *      Daniel Kopecek <dkopecek@redhat.com>
 */
 
#pragma once
#ifndef SEXP_MANIP_H
#define SEXP_MANIP_H
 
#include <stdarg.h>
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
#include <sexp-types.h>
#include <helpers.h>
#include "oscap_export.h"
#include <common/util.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*
 * number
 */
 
OSCAP_API SEXP_t *SEXP_number_new (SEXP_numtype_t t, const void *n) __attribute__ ((nonnull (2)));
 
OSCAP_API SEXP_t *SEXP_number_newb (bool n);
 
OSCAP_API SEXP_t *SEXP_number_newi_8 (int8_t n);
 
OSCAP_API SEXP_t *SEXP_number_newu_8 (uint8_t n);
 
OSCAP_API uint8_t SEXP_number_getu_8 (const SEXP_t *s_exp);
 
OSCAP_API SEXP_t *SEXP_number_newi_16 (int16_t n);
 
OSCAP_API SEXP_t *SEXP_number_newu_16 (uint16_t n);
 
#define SEXP_number_newi SEXP_number_newi_32
 
OSCAP_API SEXP_t *SEXP_number_newi_32 (int32_t n);
 
#define SEXP_number_geti SEXP_number_geti_32
 
OSCAP_API int32_t SEXP_number_geti_32 (const SEXP_t *s_exp);
 
OSCAP_API bool SEXP_number_getb (const SEXP_t *s_exp);
 
#define SEXP_number_newu SEXP_number_newu_32
 
OSCAP_API SEXP_t *SEXP_number_newu_32 (uint32_t n);
 
#define  SEXP_number_getu SEXP_number_getu_32
 
OSCAP_API uint32_t SEXP_number_getu_32 (const SEXP_t *s_exp);
 
OSCAP_API SEXP_t *SEXP_number_newi_64 (int64_t n);
 
OSCAP_API int64_t SEXP_number_geti_64 (const SEXP_t *s_exp);
 
OSCAP_API SEXP_t *SEXP_number_newu_64 (uint64_t n);
 
OSCAP_API uint64_t SEXP_number_getu_64 (const SEXP_t *s_exp);
 
OSCAP_API SEXP_t *SEXP_number_newf (double n);
 
OSCAP_API double  SEXP_number_getf (const SEXP_t *s_exp);
 
OSCAP_API int SEXP_number_get (const SEXP_t *s_exp, void *dst, SEXP_numtype_t type);
 
OSCAP_API uint16_t SEXP_number_getu_16 (const SEXP_t *s_exp);
 
OSCAP_API void    SEXP_number_free (SEXP_t *s_exp);
 
OSCAP_API bool    SEXP_numberp (const SEXP_t *s_exp);
 
OSCAP_API SEXP_numtype_t SEXP_number_type (const SEXP_t *sexp);
 
/*
 * string
 */
 
OSCAP_API SEXP_t *SEXP_string_new  (const void *string, size_t strlen) __attribute__ ((nonnull (1)));
 
OSCAP_API SEXP_t *SEXP_string_newf (const char *format, ...) __attribute__ ((format (printf, 1, 2), nonnull (1)));
 
OSCAP_API void SEXP_string_free (SEXP_t *s_exp);
 
OSCAP_API bool SEXP_stringp (const SEXP_t *s_exp);
 
OSCAP_API size_t SEXP_string_length (const SEXP_t *s_exp);
 
OSCAP_API int SEXP_strcmp (const SEXP_t *s_exp, const char *str) __attribute__ ((nonnull (2)));
 
OSCAP_API int SEXP_strncmp (const SEXP_t *s_exp, const char *str, size_t n) __attribute__ ((nonnull (2)));
 
OSCAP_API int SEXP_string_nth (const SEXP_t *s_exp, size_t n);
 
OSCAP_API char  *SEXP_string_cstr (const SEXP_t *s_exp);
 
OSCAP_API size_t SEXP_string_cstr_r (const SEXP_t *s_exp, char *buf, size_t len) __attribute__ ((nonnull (2)));
 
OSCAP_API char  *SEXP_string_cstrp (const SEXP_t *s_exp);
 
OSCAP_API char *SEXP_string_subcstr (const SEXP_t *s_exp, size_t beg, size_t len);
 
OSCAP_API int SEXP_string_cmp (const SEXP_t *str_a, const SEXP_t *str_b);
 
OSCAP_API bool SEXP_string_getb (const SEXP_t *s_exp);
 
/*
 * list
 */
 
OSCAP_API SEXP_t *SEXP_list_new (SEXP_t *memb, ...);
 
OSCAP_API void    SEXP_list_free (SEXP_t *s_exp);
 
OSCAP_API bool    SEXP_listp (const SEXP_t *s_exp);
 
OSCAP_API size_t  SEXP_list_length (const SEXP_t *s_exp);
 
OSCAP_API SEXP_t *SEXP_list_first (const SEXP_t *list);
 
OSCAP_API SEXP_t *SEXP_list_rest  (const SEXP_t *list);
 
OSCAP_API SEXP_t *SEXP_list_last (const SEXP_t *list);
 
OSCAP_API SEXP_t *SEXP_list_nth (const SEXP_t *list, uint32_t n);
 
OSCAP_API SEXP_t *SEXP_list_add (SEXP_t *list, const SEXP_t *s_exp);
 
OSCAP_API SEXP_t *SEXP_list_join (const SEXP_t *list_a, const SEXP_t *list_b);
 
OSCAP_API SEXP_t *SEXP_list_push (SEXP_t *list, const SEXP_t *s_exp);
 
OSCAP_API SEXP_t *SEXP_list_pop (SEXP_t *list);
 
OSCAP_API SEXP_t *SEXP_list_sort(SEXP_t *list, int(*compare)(const SEXP_t *, const SEXP_t *));
 
OSCAP_API SEXP_t *SEXP_list_replace (SEXP_t *list, uint32_t n, const SEXP_t *s_exp);
 
OSCAP_API SEXP_t *SEXP_listref_first (SEXP_t *list);
 
OSCAP_API SEXP_t *SEXP_listref_rest (SEXP_t *list);
 
OSCAP_API SEXP_t *SEXP_listref_last (SEXP_t *list);
 
OSCAP_API SEXP_t *SEXP_listref_nth (SEXP_t *list, uint32_t n);
 
typedef struct SEXP_it SEXP_it_t;
 
#define SEXP_IT_RECURSIVE 0x01
#define SEXP_IT_HARDREF   0x02
 
typedef struct SEXP_list_it SEXP_list_it;
 
OSCAP_API SEXP_list_it *SEXP_list_it_new(const SEXP_t *list);
OSCAP_API SEXP_t *SEXP_list_it_next(SEXP_list_it *it);
OSCAP_API void SEXP_list_it_free(SEXP_list_it *it);
 
/* TODO: use alloca & softref_r here */
#define SEXP_list_foreach(var, list)                                    \
        for (uint32_t OSCAP_CONCAT(i,__LINE__) = 1; ((var) = SEXP_list_nth (list, OSCAP_CONCAT(i,__LINE__))) != NULL; ++OSCAP_CONCAT(i,__LINE__), SEXP_free (var), (var) = NULL)
 
#define SEXP_sublist_foreach(var, list, beg, end)                       \
         for (uint32_t OSCAP_CONCAT(i,__LINE__) = (beg); OSCAP_CONCAT(i,__LINE__) <= ((size_t)(end)) && ((var) = SEXP_list_nth (list, OSCAP_CONCAT(i,__LINE__))) != NULL; ++OSCAP_CONCAT(i,__LINE__), SEXP_free (var), (var) = NULL)
 
#define SEXP_LIST_END (UINT32_MAX - 1)
 
/*
 * generic
 */
OSCAP_API SEXP_t *SEXP_new (void);
 
OSCAP_API bool SEXP_emptyp(SEXP_t *sexp);
 
OSCAP_API SEXP_t *SEXP_ref (const SEXP_t *s_exp);
 
OSCAP_API SEXP_t *SEXP_unref (SEXP_t *s_exp_o);
 
OSCAP_API SEXP_t *SEXP_softref (SEXP_t *s_exp);
 
OSCAP_API bool SEXP_softrefp(const SEXP_t *s_exp);
 
OSCAP_API uint32_t SEXP_refs (const SEXP_t *ref);
 
OSCAP_API bool SEXP_eq (const SEXP_t *a, const SEXP_t *b);
 
OSCAP_API int SEXP_refcmp(const SEXP_t *a, const SEXP_t *b);
 
OSCAP_API bool SEXP_deepcmp(const SEXP_t *a, const SEXP_t *b);
 
OSCAP_API void     SEXP_free (SEXP_t *s_exp);
 
OSCAP_API const char *SEXP_datatype (const SEXP_t *s_exp);
 
OSCAP_API int SEXP_datatype_set (SEXP_t *s_exp, const char *name) __attribute__ ((nonnull (2)));
 
OSCAP_API int SEXP_datatype_set_nth (SEXP_t *list, uint32_t n, const char *name) __attribute__ ((nonnull (3)));
 
OSCAP_API SEXP_type_t SEXP_typeof (const SEXP_t *s_exp);
 
OSCAP_API const char *SEXP_strtype (const SEXP_t *s_exp);
 
OSCAP_API SEXP_t *SEXP_build (const char *s_str, ...);
 
OSCAP_API size_t SEXP_sizeof (const SEXP_t *s_exp);
 
#if !defined(NDEBUG)
# define SEXP_VALIDATE(s) __SEXP_VALIDATE(s, __FILE__, __LINE__, __PRETTY_FUNCTION__)
# include <stdlib.h>
 
OSCAP_API void __SEXP_VALIDATE(const SEXP_t *s_exp, const char *file, uint32_t line, const char *func);
 
#else
# define SEXP_VALIDATE(s)
#endif
 
#ifdef __cplusplus
}
#endif
 
#endif /* SEXP_MANIP_H */