1 files changed, 146 insertions, 0 deletions
diff --git a/src/lib-storage/mail-search-mime.h b/src/lib-storage/mail-search-mime.h
new file mode 100644
index 0000000..d3754ed
--- /dev/null
+++ b/src/lib-storage/mail-search-mime.h
@@ -0,0 +1,146 @@
+#ifndef MAIL_SEARCH_MIMEPART_H
+#define MAIL_SEARCH_MIMEPART_H
+
+enum mail_search_mime_arg_type {
+	SEARCH_MIME_OR,
+	SEARCH_MIME_SUB,
+
+	/* sizes */
+	SEARCH_MIME_SIZE_EQUAL,
+	SEARCH_MIME_SIZE_LARGER,
+	SEARCH_MIME_SIZE_SMALLER,
+
+	/* part properties */
+	SEARCH_MIME_DESCRIPTION,
+	SEARCH_MIME_DISPOSITION_TYPE,
+	SEARCH_MIME_DISPOSITION_PARAM,
+	SEARCH_MIME_ENCODING,
+	SEARCH_MIME_ID,
+	SEARCH_MIME_LANGUAGE,
+	SEARCH_MIME_LOCATION,
+	SEARCH_MIME_MD5,
+
+	/* content-type */
+	SEARCH_MIME_TYPE,
+	SEARCH_MIME_SUBTYPE,
+	SEARCH_MIME_PARAM,
+
+	/* headers */
+	SEARCH_MIME_HEADER,
+
+	/* body */
+	SEARCH_MIME_BODY,
+	SEARCH_MIME_TEXT,
+
+	/* message */
+	SEARCH_MIME_CC,
+	SEARCH_MIME_BCC,
+	SEARCH_MIME_FROM,
+	SEARCH_MIME_IN_REPLY_TO,
+	SEARCH_MIME_MESSAGE_ID,
+	SEARCH_MIME_REPLY_TO,
+	SEARCH_MIME_SENDER,
+	SEARCH_MIME_SENTBEFORE,
+	SEARCH_MIME_SENTON, /* time must point to beginning of the day */
+	SEARCH_MIME_SENTSINCE,
+	SEARCH_MIME_SUBJECT,
+	SEARCH_MIME_TO,
+
+	/* relations */
+	SEARCH_MIME_PARENT,
+	SEARCH_MIME_CHILD,
+
+	/* position */
+	SEARCH_MIME_DEPTH_EQUAL,
+	SEARCH_MIME_DEPTH_MIN,
+	SEARCH_MIME_DEPTH_MAX,
+	SEARCH_MIME_INDEX,
+
+	/* filename */
+	SEARCH_MIME_FILENAME_IS,
+	SEARCH_MIME_FILENAME_CONTAINS,
+	SEARCH_MIME_FILENAME_BEGINS,
+	SEARCH_MIME_FILENAME_ENDS
+};
+
+struct mail_search_mime_arg {
+	/* NOTE: when adding new fields, make sure mail_search_mime_arg_dup_one()
+	   and mail_search_mime_arg_one_equals() are updated. */
+	struct mail_search_mime_arg *next;
+
+	enum mail_search_mime_arg_type type;
+	union {
+		struct mail_search_mime_arg *subargs;
+		const char *str;
+		time_t time;
+		uoff_t size;
+		unsigned int number;
+	} value;
+
+	void *context;
+	const char *field_name; /* for SEARCH_HEADER* */
+	bool match_not:1; /* result = !result */
+	bool match_always:1; /* result = 1 always */
+	bool nonmatch_always:1; /* result = 0 always */
+
+	int result; /* -1 = unknown, 0 = unmatched, 1 = matched */
+};
+
+struct mail_search_mime_part {
+	struct mail_search_mime_arg *args;
+
+	bool simplified:1;
+};
+
+typedef void
+mail_search_mime_foreach_callback_t(struct mail_search_mime_arg *arg,
+					    void *context);
+
+/* Returns TRUE if the two mimepart search keys are fully compatible. */
+bool mail_search_mime_parts_equal(const struct mail_search_mime_part *mpart1,
+			    const struct mail_search_mime_part *mpart2);
+/* Same as mail_search_mime_part_equal(), but for individual
+   mail_search_mime_arg structs. All the siblings of arg1 and arg2 are
+   also compared. */
+bool mail_search_mime_arg_equals(const struct mail_search_mime_arg *arg1,
+			    const struct mail_search_mime_arg *arg2);
+/* Same as mail_search_mime_arg_equals(), but don't compare siblings. */
+bool mail_search_mime_arg_one_equals(const struct mail_search_mime_arg *arg1,
+				const struct mail_search_mime_arg *arg2);
+
+struct mail_search_mime_part *
+mail_search_mime_part_dup(pool_t pool,
+	const struct mail_search_mime_part *mpart);
+struct mail_search_mime_arg *
+mail_search_mime_arg_dup(pool_t pool,
+	const struct mail_search_mime_arg *arg);
+
+/* Reset the results in search arguments. match_always is reset only if
+   full_reset is TRUE. */
+void mail_search_mime_args_reset(struct mail_search_mime_arg *args,
+	bool full_reset);
+
+/* goes through arguments in list that don't have a result yet.
+   Returns 1 = search matched, 0 = search unmatched, -1 = don't know yet */
+int mail_search_mime_args_foreach(struct mail_search_mime_arg *args,
+			     mail_search_mime_foreach_callback_t *callback,
+			     void *context) ATTR_NULL(3);
+#define mail_search_mime_args_foreach(args, callback, context) \
+	  mail_search_mime_args_foreach(args - \
+		CALLBACK_TYPECHECK(callback, void (*)( \
+			struct mail_search_mime_arg *, typeof(context))), \
+		(mail_search_mime_foreach_callback_t *)callback, context)
+
+/* Simplify/optimize search arguments. Afterwards all OR/SUB args are
+   guaranteed to have match_not=FALSE. */
+void mail_search_mime_simplify(struct mail_search_mime_part *args);
+
+/* Appends MIMEPART search key to the dest string and returns TRUE. */
+bool mail_search_mime_part_to_imap(string_t *dest,
+	const struct mail_search_mime_part *mpart, const char **error_r);
+/* Like mail_search_mime_part_to_imap(), but append only a single MIMEPART
+   key. */
+bool mail_search_mime_arg_to_imap(string_t *dest,
+	const struct mail_search_mime_arg *arg, const char **error_r);
+
+#endif