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/******************************************************************************
* Copyright (c) 2000-2016 Ericsson Telecom AB
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Balasko, Jeno
* Beres, Szabolcs
* Forstner, Matyas
* Raduly, Csaba
* Szabo, Janos Zoltan – initial implementation
*
******************************************************************************/
#ifndef _Common_config_preproc_H
#define _Common_config_preproc_H
#include <string>
#include "memory.h"
extern void config_preproc_error(const char *error_str, ...)
__attribute__ ((__format__ (__printf__, 1, 2)));
#ifdef __cplusplus
extern "C" {
#endif
extern void path_error(const char *fmt, ...)
__attribute__ ((__format__ (__printf__, 1, 2)));
#ifdef __cplusplus
} /* extern "C" */
#endif
extern std::string get_cfg_preproc_current_file();
extern int config_preproc_yylineno;
/** this struct is used to maintain a list of config files */
typedef struct string_chain_t {
char *str;
struct string_chain_t *next;
} string_chain_t;
/** adds a new string to the end of chain (reference), if it is not
* contained by the chain */
void string_chain_add(string_chain_t **ec, char *s);
/** cuts the head of the chain (reference!) and returns that
* string */
char* string_chain_cut(string_chain_t **ec);
/** struct to store string key-value pairs. the value can contain
* null-characters so we store also the length. */
typedef struct string_keyvalue_t {
char *key;
char *value;
size_t value_len;
} string_keyvalue_t;
/** an array. keep it sorted */
typedef struct string_map_t {
size_t n;
string_keyvalue_t **data;
} string_map_t;
/** adds a new key-value pair. if the key exists, it will be
* overwritten, and the return value is the (old) key. */
const char* string_map_add(string_map_t *map, char *key,
char *value, size_t value_len);
/** returns NULL if no such key. the length of value is returned in
* \a value_len */
const char* string_map_get_bykey(const string_map_t *map, const char *key,
size_t *value_len);
/** constructor */
string_map_t* string_map_new(void);
/** destructor */
void string_map_free(string_map_t *map);
/** Parses out and returns the macro identifier from macro reference \a str.
* The input shall be in format "${<macro_id>,something}", NULL pointer is
* returned otherwise. Whitespaces are allowed anywhere within the braces.
* The returned string shall be deallocated by the caller using Free(). */
char *get_macro_id_from_ref(const char *str);
/** Entry point for preprocessing config files.
*
* @param [in] filename the main config file
* @param [out] filenames main config plus all the included files
* @param [out] defines the macro definitions
* @return 1 if there were errors, 0 otherwise.
*/
int preproc_parse_file(const char *filename, string_chain_t **filenames,
string_map_t **defines);
int string_is_int(const char *str, size_t len);
int string_is_float(const char *str, size_t len);
int string_is_id(const char *str, size_t len);
int string_is_bstr(const char *str, size_t len);
int string_is_hstr(const char *str, size_t len);
int string_is_ostr(const char *str, size_t len);
int string_is_hostname(const char *str, size_t len);
#endif /* _Common_config_preproc_H */
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