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>
7 * This software may be freely distributed and used according to the terms
8 * of the GNU Lesser General Public License.
11 #ifndef _UCW_CONF_INTERNAL_H
12 #define _UCW_CONF_INTERNAL_H
14 #include <ucw/threads.h>
16 #ifdef CONFIG_UCW_CLEAN_ABI
17 #define cf_add_dirty ucw_cf_add_dirty
18 #define cf_commit_all ucw_cf_commit_all
19 #define cf_done_stack ucw_cf_done_stack
20 #define cf_find_subitem ucw_cf_find_subitem
21 #define cf_init_stack ucw_cf_init_stack
22 #define cf_interpret_line ucw_cf_interpret_line
23 #define cf_journal_delete ucw_cf_journal_delete
24 #define cf_journal_swap ucw_cf_journal_swap
25 #define cf_obtain_context ucw_cf_obtain_context
26 #define cf_op_names ucw_cf_op_names
27 #define cf_sections ucw_cf_sections
28 #define cf_type_names ucw_cf_type_names
29 #define cf_type_size ucw_cf_type_size
32 /* Item stack used by conf-intr.c */
34 #define MAX_STACK_SIZE 16
36 struct item_stack { // used by conf-intr.c
37 struct cf_section *sec; // nested section
38 void *base_ptr; // because original pointers are often relative
39 int op; // it is performed when a closing brace is encountered
40 void *list; // list the operations should be done on
41 u32 mask; // bit array of selectors searching in a list
42 struct cf_item *item; // cf_item of the list
45 /* List of dirty sections used by conf-section.c */
47 struct dirty_section {
48 struct cf_section *sec;
52 #define GBUF_TYPE struct dirty_section
53 #define GBUF_PREFIX(x) dirtsec_##x
56 /* Configuration context */
61 int config_loaded; // at least one config file was loaded
62 struct cf_parser_state *parser;
63 uns everything_committed; // did we already commit each section?
64 uns postpone_commit; // counter of calls to cf_open_group()
65 uns other_options; // used internally by cf_getopt()
66 clist conf_entries; // files/strings to reload
67 struct cf_journal_item *journal; // journalling
69 struct old_pools *pools;
70 struct item_stack stack[MAX_STACK_SIZE]; // interpreter stack
72 struct cf_section sections; // root section
73 uns sections_initialized;
74 dirtsec_t dirty; // dirty sections
79 static inline struct cf_context *cf_get_context(void)
81 struct cf_context *cc = ucwlib_thread_context()->cf_context;
82 ASSERT(cc->is_active);
86 // In fact, this is equivalent to cf_get_context(), but it is not inlined,
87 // because we want to force the linker to include conf-context.c, which contains
88 // a constructor of the whole context mechanism.
89 struct cf_context *cf_obtain_context(void);
92 #define OP_MASK 0xff // only get the operation
93 #define OP_OPEN 0x100 // here we only get an opening brace instead of parameters
94 #define OP_1ST 0x200 // in the 1st phase selectors are recorded into the mask
95 #define OP_2ND 0x400 // in the 2nd phase real data are entered
97 extern char *cf_op_names[];
98 extern char *cf_type_names[];
100 uns cf_type_size(enum cf_type type, struct cf_user_type *utype);
101 char *cf_interpret_line(struct cf_context *cc, char *name, enum cf_operation op, int number, char **pars);
102 void cf_init_stack(struct cf_context *cc);
103 int cf_done_stack(struct cf_context *cc);
106 void cf_journal_swap(void);
107 void cf_journal_delete(void);
110 #define SEC_FLAG_DYNAMIC 0x80000000 // contains a dynamic attribute
111 #define SEC_FLAG_UNKNOWN 0x40000000 // ignore unknown entriies
112 #define SEC_FLAG_CANT_COPY 0x20000000 // contains lists or parsers
113 #define SEC_FLAG_NUMBER 0x0fffffff // number of entries
114 enum cf_commit_mode { CF_NO_COMMIT, CF_COMMIT, CF_COMMIT_ALL };
115 extern struct cf_section cf_sections;
117 struct cf_item *cf_find_subitem(struct cf_section *sec, const char *name);
118 int cf_commit_all(enum cf_commit_mode cm);
119 void cf_add_dirty(struct cf_section *sec, void *ptr);
122 void cf_load_default(struct cf_context *cc);