Opt: Earl Grey was not an American :)

[libucw.git] / ucw / conf-internal.h

diff --git a/ucw/conf-internal.h b/ucw/conf-internal.h
index 377a9cb235a1ab63e8815a787610a43892fa1f9c..72ee7ca8b4a9e2e439c303ba33272eff345c4ecd 100644 (file)
--- a/ucw/conf-internal.h
+++ b/ucw/conf-internal.h
@@ -2,7 +2,7 @@
  *     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.
@@ -11,6 +11,68 @@
 #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
@@ -21,9 +83,9 @@ extern char *cf_op_names[];
 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);
@@ -41,4 +103,7 @@ struct cf_item *cf_find_subitem(struct cf_section *sec, const char *name);
 int cf_commit_all(enum cf_commit_mode cm);
 void cf_add_dirty(struct cf_section *sec, void *ptr);
 
+/* conf-getopt.c */
+void cf_load_default(struct cf_context *cc);
+
 #endif