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d44e3c4f | 1 | /****************************************************************************** |
2 | * Copyright (c) 2000-2016 Ericsson Telecom AB | |
3 | * All rights reserved. This program and the accompanying materials | |
4 | * are made available under the terms of the Eclipse Public License v1.0 | |
5 | * which accompanies this distribution, and is available at | |
6 | * http://www.eclipse.org/legal/epl-v10.html | |
7 | * | |
8 | * Contributors: | |
9 | * Balasko, Jeno | |
10 | * Beres, Szabolcs | |
11 | * Forstner, Matyas | |
12 | * Raduly, Csaba | |
13 | * Szabo, Janos Zoltan – initial implementation | |
14 | * | |
15 | ******************************************************************************/ | |
970ed795 EL |
16 | #ifndef _Common_config_preproc_H |
17 | #define _Common_config_preproc_H | |
18 | ||
19 | #include <string> | |
20 | ||
21 | #include "memory.h" | |
22 | ||
23 | extern void config_preproc_error(const char *error_str, ...) | |
24 | __attribute__ ((__format__ (__printf__, 1, 2))); | |
25 | ||
26 | #ifdef __cplusplus | |
27 | extern "C" { | |
28 | #endif | |
29 | ||
30 | extern void path_error(const char *fmt, ...) | |
31 | __attribute__ ((__format__ (__printf__, 1, 2))); | |
32 | ||
33 | #ifdef __cplusplus | |
34 | } /* extern "C" */ | |
35 | #endif | |
36 | ||
37 | extern std::string get_cfg_preproc_current_file(); | |
38 | extern int config_preproc_yylineno; | |
39 | ||
40 | /** this struct is used to maintain a list of config files */ | |
41 | typedef struct string_chain_t { | |
42 | char *str; | |
43 | struct string_chain_t *next; | |
44 | } string_chain_t; | |
45 | ||
46 | /** adds a new string to the end of chain (reference), if it is not | |
47 | * contained by the chain */ | |
48 | void string_chain_add(string_chain_t **ec, char *s); | |
49 | /** cuts the head of the chain (reference!) and returns that | |
50 | * string */ | |
51 | char* string_chain_cut(string_chain_t **ec); | |
52 | ||
53 | /** struct to store string key-value pairs. the value can contain | |
54 | * null-characters so we store also the length. */ | |
55 | typedef struct string_keyvalue_t { | |
56 | char *key; | |
57 | char *value; | |
58 | size_t value_len; | |
59 | } string_keyvalue_t; | |
60 | ||
61 | /** an array. keep it sorted */ | |
62 | typedef struct string_map_t { | |
63 | size_t n; | |
64 | string_keyvalue_t **data; | |
65 | } string_map_t; | |
66 | ||
67 | /** adds a new key-value pair. if the key exists, it will be | |
68 | * overwritten, and the return value is the (old) key. */ | |
69 | const char* string_map_add(string_map_t *map, char *key, | |
70 | char *value, size_t value_len); | |
71 | ||
72 | /** returns NULL if no such key. the length of value is returned in | |
73 | * \a value_len */ | |
74 | const char* string_map_get_bykey(const string_map_t *map, const char *key, | |
75 | size_t *value_len); | |
76 | ||
77 | /** constructor */ | |
78 | string_map_t* string_map_new(void); | |
79 | /** destructor */ | |
80 | void string_map_free(string_map_t *map); | |
81 | ||
82 | /** Parses out and returns the macro identifier from macro reference \a str. | |
83 | * The input shall be in format "${<macro_id>,something}", NULL pointer is | |
84 | * returned otherwise. Whitespaces are allowed anywhere within the braces. | |
85 | * The returned string shall be deallocated by the caller using Free(). */ | |
86 | char *get_macro_id_from_ref(const char *str); | |
87 | ||
88 | /** Entry point for preprocessing config files. | |
89 | * | |
90 | * @param [in] filename the main config file | |
91 | * @param [out] filenames main config plus all the included files | |
92 | * @param [out] defines the macro definitions | |
93 | * @return 1 if there were errors, 0 otherwise. | |
94 | */ | |
95 | int preproc_parse_file(const char *filename, string_chain_t **filenames, | |
96 | string_map_t **defines); | |
97 | ||
98 | int string_is_int(const char *str, size_t len); | |
99 | int string_is_float(const char *str, size_t len); | |
100 | int string_is_id(const char *str, size_t len); | |
101 | int string_is_bstr(const char *str, size_t len); | |
102 | int string_is_hstr(const char *str, size_t len); | |
103 | int string_is_ostr(const char *str, size_t len); | |
104 | int string_is_hostname(const char *str, size_t len); | |
105 | ||
106 | #endif /* _Common_config_preproc_H */ |