* UCW Library -- Configuration files: only for internal use of conf-*.c
*
* (c) 2001--2006 Robert Spalek <robert@ucw.cz>
- * (c) 2003--2006 Martin Mares <mj@ucw.cz>
+ * (c) 2003--2012 Martin Mares <mj@ucw.cz>
*
* This software may be freely distributed and used according to the terms
* of the GNU Lesser General Public License.
#ifndef _UCW_CONF_INTERNAL_H
#define _UCW_CONF_INTERNAL_H
+#include <ucw/threads.h>
+
+/* Item stack used by conf-intr.c */
+
+#define MAX_STACK_SIZE 16
+
+struct item_stack { // used by conf-intr.c
+ struct cf_section *sec; // nested section
+ void *base_ptr; // because original pointers are often relative
+ int op; // it is performed when a closing brace is encountered
+ void *list; // list the operations should be done on
+ u32 mask; // bit array of selectors searching in a list
+ struct cf_item *item; // cf_item of the list
+};
+
+/* List of dirty sections used by conf-section.c */
+
+struct dirty_section {
+ struct cf_section *sec;
+ void *ptr;
+};
+
+#define GBUF_TYPE struct dirty_section
+#define GBUF_PREFIX(x) dirtsec_##x
+#include <ucw/gbuf.h>
+
+/* Configuration context */
+
+struct cf_context {
+ struct mempool *pool;
+ int is_active;
+ int config_loaded; // at least one config file was loaded
+ struct cf_parser_state *parser;
+ uns everything_committed; // did we already commit each section?
+ uns postpone_commit; // counter of calls to cf_open_group()
+ uns other_options; // used internally by cf_getopt()
+ clist conf_entries; // files/strings to reload
+ struct cf_journal_item *journal; // journalling
+ int enable_journal;
+ struct old_pools *pools;
+ struct item_stack stack[MAX_STACK_SIZE]; // interpreter stack
+ uns stack_level;
+ struct cf_section sections; // root section
+ uns sections_initialized;
+ dirtsec_t dirty; // dirty sections
+ uns dirties;
+};
+
+/* conf-ctxt.c */
+static inline struct cf_context *
+cf_get_context(void)
+{
+ struct cf_context *cc = ucwlib_thread_context()->cf_context;
+ ASSERT(cc->is_active);
+ return cc;
+}
+
+// In fact, this is equivalent to cf_get_context(), but it is not inlined,
+// because we want to force the linker to include conf-context.c, which contains
+// a constructor of the whole context mechanism.
+struct cf_context *cf_obtain_context(void);
+
/* conf-intr.c */
#define OP_MASK 0xff // only get the operation
#define OP_OPEN 0x100 // here we only get an opening brace instead of parameters
extern char *cf_type_names[];
uns cf_type_size(enum cf_type type, struct cf_user_type *utype);
-char *cf_interpret_line(char *name, enum cf_operation op, int number, char **pars);
-void cf_init_stack(void);
-int cf_check_stack(void);
+char *cf_interpret_line(struct cf_context *cc, char *name, enum cf_operation op, int number, char **pars);
+void cf_init_stack(struct cf_context *cc);
+int cf_done_stack(struct cf_context *cc);
/* conf-journal.c */
void cf_journal_swap(void);