X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fuci.git;a=blobdiff_plain;f=uci.h;h=2a1b73baea6d2c3ebd7bba84caacf176fa8d7fe1;hp=3b597db275900bab8973186cb53bf7151db4140a;hb=c228bf838c82cc7cda868ac75f80d8aab203ca1a;hpb=787fb6d4106cfd22485bd89d190be26e2a2c6178

diff --git a/uci.h b/uci.h
index 3b597db..2a1b73b 100644
--- a/uci.h
+++ b/uci.h
@@ -34,6 +34,8 @@
 #include <stdio.h>
 
 #define UCI_CONFDIR "/etc/config"
+#define UCI_SAVEDIR "/tmp/.uci"
+#define UCI_FILEMODE	0600
 
 enum
 {
@@ -43,6 +45,7 @@ enum
 	UCI_ERR_NOTFOUND,
 	UCI_ERR_IO,
 	UCI_ERR_PARSE,
+	UCI_ERR_DUPLICATE,
 	UCI_ERR_UNKNOWN,
 	UCI_ERR_LAST
 };
@@ -59,10 +62,24 @@ struct uci_package;
 struct uci_section;
 struct uci_option;
 struct uci_history;
+struct uci_context;
 struct uci_parse_context;
 
 
 /**
+ * uci_parse_tuple: Parse an uci tuple
+ * @ctx: uci context
+ * @str: input string
+ * @package: output package pointer
+ * @section: output section pointer
+ * @option: output option pointer
+ * @value: output value pointer
+ *
+ * format: <package>[.<section>[.<option>]][=<value>]
+ */
+extern int uci_parse_tuple(struct uci_context *ctx, char *str, char **package, char **section, char **option, char **value);
+
+/**
  * uci_alloc_context: Allocate a new uci context
  */
 extern struct uci_context *uci_alloc_context(void);
@@ -88,6 +105,7 @@ extern void uci_perror(struct uci_context *ctx, const char *str);
  * @single: ignore the 'package' keyword and parse everything into a single package
  *
  * the name parameter is for config files that don't explicitly use the 'package <...>' keyword
+ * if 'package' points to a non-null struct pointer, enable history tracking and merge 
  */
 extern int uci_import(struct uci_context *ctx, FILE *stream, const char *name, struct uci_package **package, bool single);
 
@@ -157,27 +175,85 @@ extern int uci_set_element_value(struct uci_context *ctx, struct uci_element **e
  * @option: option name
  * @value: value (option) or type (section)
  */
-extern int uci_set(struct uci_context *ctx, char *package, char *section, char *option, char *value);
+extern int uci_set(struct uci_context *ctx, struct uci_package *p, char *section, char *option, char *value);
 
 /**
- * uci_commit: commit changes to a package
+ * uci_rename: Rename an element
+ * @ctx: uci context
+ * @package: package name
+ * @section: section name
+ * @option: option name
+ * @name: new name
+ */
+extern int uci_rename(struct uci_context *ctx, struct uci_package *p, char *section, char *option, char *name);
+
+/**
+ * uci_delete_element: Delete a section or option
+ * @ctx: uci context
+ * @e: element (section or option)
+ */
+extern int uci_delete_element(struct uci_context *ctx, struct uci_element *e);
+
+/**
+ * uci_delete: Delete a section or option
+ * @ctx: uci context
+ * @p: uci package
+ * @section: section name
+ * @option: option name (optional)
+ */
+extern int uci_delete(struct uci_context *ctx, struct uci_package *p, char *section, char *option);
+
+/**
+ * uci_save: save change history for a package
  * @ctx: uci context
  * @p: uci_package struct
  */
-extern int uci_commit(struct uci_context *ctx, struct uci_package *p);
+extern int uci_save(struct uci_context *ctx, struct uci_package *p);
 
 /**
- * uci_list_configs: List available uci config files
+ * uci_commit: commit changes to a package
+ * @ctx: uci context
+ * @p: uci_package struct pointer
+ * @overwrite: overwrite existing config data and flush history
  *
+ * committing may reload the whole uci_package data,
+ * the supplied pointer is updated accordingly
+ */
+extern int uci_commit(struct uci_context *ctx, struct uci_package **p, bool overwrite);
+
+/**
+ * uci_list_configs: List available uci config files
+ * @ctx: uci context
+ */
+extern int uci_list_configs(struct uci_context *ctx, char ***list);
+
+/** 
+ * uci_set_savedir: override the default history save directory
  * @ctx: uci context
+ * @dir: directory name
  */
-extern char **uci_list_configs(struct uci_context *ctx);
+extern int uci_set_savedir(struct uci_context *ctx, char *dir);
+
+/** 
+ * uci_set_savedir: override the default config storage directory
+ * @ctx: uci context
+ * @dir: directory name
+ */
+extern int uci_set_confdir(struct uci_context *ctx, char *dir);
+
 
 /* UCI data structures */
 enum uci_type {
-	UCI_TYPE_PACKAGE = 0,
-	UCI_TYPE_SECTION = 1,
-	UCI_TYPE_OPTION = 2
+	UCI_TYPE_HISTORY = 0,
+	UCI_TYPE_PACKAGE = 1,
+	UCI_TYPE_SECTION = 2,
+	UCI_TYPE_OPTION = 3
+};
+
+enum uci_flags {
+	UCI_FLAG_STRICT =      (1 << 0), /* strict mode for the parser */
+	UCI_FLAG_PERROR =      (1 << 1), /* print parser error messages */
+	UCI_FLAG_EXPORT_NAME = (1 << 2), /* when exporting, name unnamed sections */
 };
 
 struct uci_element
@@ -195,10 +271,17 @@ struct uci_context
 	/* parser context, use for error handling only */
 	struct uci_parse_context *pctx;
 
+	/* uci runtime flags */
+	enum uci_flags flags;
+
+	char *confdir;
+	char *savedir;
+
 	/* private: */
 	int errno;
 	const char *func;
 	jmp_buf trap;
+	bool internal;
 	char *buf;
 	int bufsz;
 };
@@ -213,6 +296,7 @@ struct uci_parse_context
 	/* private: */
 	struct uci_package *package;
 	struct uci_section *section;
+	bool merge;
 	FILE *file;
 	const char *name;
 	char *buf;
@@ -237,6 +321,7 @@ struct uci_section
 	struct uci_element e;
 	struct uci_list options;
 	struct uci_package *package;
+	bool anonymous;
 	char *type;
 };
 
@@ -250,15 +335,15 @@ struct uci_option
 enum uci_command {
 	UCI_CMD_ADD,
 	UCI_CMD_REMOVE,
-	UCI_CMD_CHANGE
+	UCI_CMD_CHANGE,
+	UCI_CMD_RENAME
 };
 
 struct uci_history
 {
-	struct uci_list list;
+	struct uci_element e;
 	enum uci_command cmd;
 	char *section;
-	char *option;
 	char *value;
 };
 
@@ -327,6 +412,7 @@ struct uci_history
 #define uci_list_empty(list) ((list)->next == (list))
 
 /* wrappers for dynamic type handling */
+#define uci_type_history UCI_TYPE_HISTORY
 #define uci_type_package UCI_TYPE_PACKAGE
 #define uci_type_section UCI_TYPE_SECTION
 #define uci_type_option UCI_TYPE_OPTION
@@ -334,9 +420,10 @@ struct uci_history
 /* element typecasting */
 #ifdef UCI_DEBUG_TYPECAST
 static const char *uci_typestr[] = {
+	[uci_type_history] = "history",
 	[uci_type_package] = "package",
 	[uci_type_section] = "section",
-	[uci_type_option] = "option"
+	[uci_type_option] = "option",
 };
 
 static void uci_typecast_error(int from, int to)
@@ -353,11 +440,13 @@ static void uci_typecast_error(int from, int to)
 		return (struct uci_ ## _type *) e; \
 	}
 
+BUILD_CAST(history)
 BUILD_CAST(package)
 BUILD_CAST(section)
 BUILD_CAST(option)
 
 #else
+#define uci_to_history(ptr) container_of(ptr, struct uci_history, e)
 #define uci_to_package(ptr) container_of(ptr, struct uci_package, e)
 #define uci_to_section(ptr) container_of(ptr, struct uci_section, e)
 #define uci_to_option(ptr)  container_of(ptr, struct uci_option, e)