2 * UCW Library -- Configuration files: only for internal use of conf-*.c
4 * (c) 2001--2006 Robert Spalek <robert@ucw.cz>
5 * (c) 2003--2012 Martin Mares <mj@ucw.cz>
6 * (c) 2014 Pavel Charvat <pchar@ucw.cz>
8 * This software may be freely distributed and used according to the terms
9 * of the GNU Lesser General Public License.
12 #ifndef _UCW_CONF_INTERNAL_H
13 #define _UCW_CONF_INTERNAL_H
15 #include <ucw/threads.h>
17 #ifdef CONFIG_UCW_CLEAN_ABI
18 #define cf_add_dirty ucw_cf_add_dirty
19 #define cf_commit_all ucw_cf_commit_all
20 #define cf_done_stack ucw_cf_done_stack
21 #define cf_find_subitem ucw_cf_find_subitem
22 #define cf_init_stack ucw_cf_init_stack
23 #define cf_interpret_line ucw_cf_interpret_line
24 #define cf_journal_delete ucw_cf_journal_delete
25 #define cf_journal_swap ucw_cf_journal_swap
26 #define cf_load_default ucw_cf_load_default
27 #define cf_obtain_context ucw_cf_obtain_context
28 #define cf_op_names ucw_cf_op_names
29 #define cf_sections ucw_cf_sections
30 #define cf_type_names ucw_cf_type_names
31 #define cf_type_size ucw_cf_type_size
34 /* Item stack used by conf-intr.c */
36 #define MAX_STACK_SIZE 16
38 struct item_stack { // used by conf-intr.c
39 struct cf_section *sec; // nested section
40 void *base_ptr; // because original pointers are often relative
41 int op; // it is performed when a closing brace is encountered
42 void *list; // list the operations should be done on
43 u32 mask; // bit array of selectors searching in a list
44 struct cf_item *item; // cf_item of the list
47 /* List of dirty sections used by conf-section.c */
49 struct dirty_section {
50 struct cf_section *sec;
54 #define GBUF_TYPE struct dirty_section
55 #define GBUF_PREFIX(x) dirtsec_##x
58 /* Configuration context */
63 int config_loaded; // at least one config file was loaded
64 struct cf_parser_state *parser;
65 uint everything_committed; // did we already commit each section?
66 uint postpone_commit; // counter of calls to cf_open_group()
67 uint other_options; // used internally by cf_getopt()
68 clist conf_entries; // files/strings to reload
69 struct cf_journal_item *journal; // journalling
71 struct old_pools *pools;
72 struct item_stack stack[MAX_STACK_SIZE]; // interpreter stack
74 struct cf_section sections; // root section
75 uint sections_initialized;
76 dirtsec_t dirty; // dirty sections
81 static inline struct cf_context *cf_get_context(void)
83 struct cf_context *cc = ucwlib_thread_context()->cf_context;
84 ASSERT(cc->is_active);
88 // In fact, this is equivalent to cf_get_context(), but it is not inlined,
89 // because we want to force the linker to include conf-context.c, which contains
90 // a constructor of the whole context mechanism.
91 struct cf_context *cf_obtain_context(void);
94 #define OP_MASK 0xff // only get the operation
95 #define OP_OPEN 0x100 // here we only get an opening brace instead of parameters
96 #define OP_1ST 0x200 // in the 1st phase selectors are recorded into the mask
97 #define OP_2ND 0x400 // in the 2nd phase real data are entered
99 extern char *cf_op_names[];
100 extern char *cf_type_names[];
102 uint cf_type_size(enum cf_type type, const union cf_union *u);
103 char *cf_interpret_line(struct cf_context *cc, char *name, enum cf_operation op, int number, char **pars);
104 void cf_init_stack(struct cf_context *cc);
105 int cf_done_stack(struct cf_context *cc);
108 void cf_journal_swap(void);
109 void cf_journal_delete(void);
112 #define SEC_FLAG_DYNAMIC 0x80000000 // contains a dynamic attribute
113 #define SEC_FLAG_UNKNOWN 0x40000000 // ignore unknown entriies
114 #define SEC_FLAG_CANT_COPY 0x20000000 // contains lists or parsers
115 #define SEC_FLAG_NUMBER 0x0fffffff // number of entries
116 enum cf_commit_mode { CF_NO_COMMIT, CF_COMMIT, CF_COMMIT_ALL };
117 extern struct cf_section cf_sections;
119 struct cf_item *cf_find_subitem(struct cf_section *sec, const char *name);
120 int cf_commit_all(enum cf_commit_mode cm);
121 void cf_add_dirty(struct cf_section *sec, void *ptr);
124 void cf_load_default(struct cf_context *cc);