1 files changed, 136 insertions, 0 deletions
diff --git a/src/lib-config/iconfig.h b/src/lib-config/iconfig.h
new file mode 100644
index 00000000..bbee0f6e
--- /dev/null
+++ b/src/lib-config/iconfig.h
@@ -0,0 +1,136 @@
+#ifndef __ICONFIG_H
+#define __ICONFIG_H
+
+enum {
+        NODE_TYPE_KEY,
+        NODE_TYPE_VALUE,
+        NODE_TYPE_BLOCK,
+        NODE_TYPE_LIST,
+	NODE_TYPE_COMMENT,
+};
+
+#define has_node_value(a) \
+	((a)->type == NODE_TYPE_KEY || (a)->type == NODE_TYPE_VALUE)
+#define is_node_list(a) \
+        ((a)->type == NODE_TYPE_BLOCK || (a)->type == NODE_TYPE_LIST)
+
+typedef struct {
+	int type;
+        char *key;
+	void *value;
+} CONFIG_NODE;
+
+/* a = { x=y; y=z; }
+
+   node1: type = NODE_TYPE_BLOCK, key = "a", value = (GSList *) nodes
+   nodes: (node2, node3)
+     node2: type = NODE_TYPE_KEY, key = "x", value = (char *) "y"
+     node3: type = NODE_TYPE_KEY, key = "y", value = (char *) "z"
+
+   b = ( a, { b=c; d=e; } )
+
+   node1: type = NODE_TYPE_LIST, key = "b", value = (GSList *) nodes
+   nodes: (node2, node3)
+     node2: type = NODE_TYPE_VALUE, key = NULL, value = (char *) "a"
+     node4: type = NODE_TYPE_BLOCK, key = NULL, value = (GSList *) nodes2
+     nodes2: (node4, node5)
+       node4: type = NODE_TYPE_KEY, key = "b", value = (char *) "c"
+       node5: type = NODE_TYPE_KEY, key = "d", value = (char *) "e"
+
+   Comments node has key=NULL and value is the comment line. Empty lines are
+   also in comments so they won't be forgotten when the config file is
+   written.
+
+*/
+
+struct _config_rec {
+	char *fname;
+	int handle;
+        int create_mode;
+
+	char *last_error;
+	CONFIG_NODE *mainnode;
+	GHashTable *cache;
+
+	GScanner *scanner;
+
+	/* while writing to configuration file.. */
+	int tmp_indent_level; /* indentation position */
+	int tmp_last_lf; /* last character was a line feed */
+};
+
+typedef struct _config_rec CONFIG_REC;
+
+/* Open configuration. The file is created if it doesn't exist, unless
+   `create_mode' is -1. `fname' can be NULL if you just want to use
+   config_parse_data() */
+CONFIG_REC *config_open(const char *fname, int create_mode);
+/* Release all memory used by configuration */
+void config_close(CONFIG_REC *rec);
+/* Change file name of config file */
+void config_change_file_name(CONFIG_REC *rec, const char *fname, int create_mode);
+
+/* Parse configuration file */
+int config_parse(CONFIG_REC *rec);
+/* Parse configuration found from `data'. `input_name' is specifies the
+   "configuration name" which is displayed in error messages. */
+int config_parse_data(CONFIG_REC *rec, const char *data, const char *input_name);
+
+/* Write configuration file. Write to `fname' if it's not NULL.
+   If `create_mode' is -1, use the one that was given to config_open(). */
+int config_write(CONFIG_REC *rec, const char *fname, int create_mode);
+
+#define config_last_error(rec) \
+    (rec)->last_error
+
+/* Getting values
+
+   `section' is something like "maingroup/key/subkey", or with lists
+   "maingroup/(list/subkey"
+
+   `def' is returned if the value is not found. */
+char *config_get_str(CONFIG_REC *rec, const char *section, const char *key, const char *def);
+int config_get_int(CONFIG_REC *rec, const char *section, const char *key, int def);
+int config_get_bool(CONFIG_REC *rec, const char *section, const char *key, int def);
+
+/* Return value of key `value_key' from list item where `key' is `value' */
+const char *config_list_find(CONFIG_REC *rec, const char *section, const char *key, const char *value, const char *value_key);
+/* Like config_list_find(), but return node instead of it's value */
+CONFIG_NODE *config_list_find_node(CONFIG_REC *rec, const char *section, const char *key, const char *value, const char *value_key);
+
+/* Setting values */
+int config_set_str(CONFIG_REC *rec, const char *section, const char *key, const char *value);
+int config_set_int(CONFIG_REC *rec, const char *section, const char *key, int value);
+int config_set_bool(CONFIG_REC *rec, const char *section, const char *key, int value);
+
+/* Handling the configuration directly with nodes -
+   useful when you need to read all values in a block/list. */
+CONFIG_NODE *config_node_find(CONFIG_NODE *node, const char *key);
+/* Find the section from node - if not found create it unless new_type is -1.
+   You can also specify in new_type if it's NODE_TYPE_LIST or NODE_TYPE_BLOCK */
+CONFIG_NODE *config_node_section(CONFIG_REC *rec, CONFIG_NODE *parent, const char *key, int new_type);
+/* Find the section with the whole path.
+   Create the path if necessary `create' is TRUE. */
+CONFIG_NODE *config_node_traverse(CONFIG_REC *rec, const char *section, int create);
+/* Get the value of keys `key' and `key_value' and put them to
+   `ret_key' and `ret_value'. Returns -1 if not found. */
+int config_node_get_keyvalue(CONFIG_NODE *node, const char *key, const char *value_key, char **ret_key, char **ret_value);
+
+char *config_node_get_str(CONFIG_NODE *parent, const char *key, const char *def);
+int config_node_get_int(CONFIG_NODE *parent, const char *key, int def);
+int config_node_get_bool(CONFIG_NODE *parent, const char *key, int def);
+
+void config_node_set_str(CONFIG_NODE *parent, const char *key, const char *value);
+void config_node_set_int(CONFIG_NODE *parent, const char *key, int value);
+void config_node_set_bool(CONFIG_NODE *parent, const char *key, int value);
+
+/* add/change the value of the `key' */
+void config_node_set_str(CONFIG_NODE *parent, const char *key, const char *value);
+/* remove one node from block/list.
+   ..set_str() with value = NULL does the same. */
+void config_node_remove(CONFIG_NODE *parent, CONFIG_NODE *node);
+
+/* clear the entire configuration */
+void config_nodes_remove_all(CONFIG_REC *rec);
+
+#endif