]> git.notmuchmail.org Git - notmuch/blobdiff - lib/notmuch-private.h
lib: Replace NOTMUCH_*_VERSION with LIBNOTMUCH_*_VERSION
[notmuch] / lib / notmuch-private.h
index 0856751c318841b08eeab0d1035ea6393cb8da7b..af185c7c5ba8838e82ca80931282c3b7dbe55f04 100644 (file)
@@ -47,6 +47,7 @@ NOTMUCH_BEGIN_DECLS
 #include <talloc.h>
 
 #include "xutil.h"
+#include "error_util.h"
 
 #pragma GCC visibility push(hidden)
 
@@ -60,27 +61,14 @@ NOTMUCH_BEGIN_DECLS
 #define STRNCMP_LITERAL(var, literal) \
     strncmp ((var), (literal), sizeof (literal) - 1)
 
-/* There's no point in continuing when we've detected that we've done
- * something wrong internally (as opposed to the user passing in a
- * bogus value).
- *
- * Note that PRINTF_ATTRIBUTE comes from talloc.h
- */
-int
-_internal_error (const char *format, ...) PRINTF_ATTRIBUTE (1, 2);
-
-/* There's no point in continuing when we've detected that we've done
- * something wrong internally (as opposed to the user passing in a
- * bogus value).
- *
- * Note that __location__ comes from talloc.h.
- */
-#define INTERNAL_ERROR(format, ...)                    \
-    _internal_error (format " (%s).\n",                        \
-                    ##__VA_ARGS__, __location__)
-
 #define unused(x) x __attribute__ ((unused))
 
+#ifdef __cplusplus
+# define visible __attribute__((visibility("default")))
+#else
+# define visible
+#endif
+
 /* Thanks to Andrew Tridgell's (SAMBA's) talloc for this definition of
  * unlikely. The talloc source code comes to us via the GNU LGPL v. 3.
  */
@@ -105,7 +93,9 @@ _internal_error (const char *format, ...) PRINTF_ATTRIBUTE (1, 2);
 
 typedef enum {
     NOTMUCH_VALUE_TIMESTAMP = 0,
-    NOTMUCH_VALUE_MESSAGE_ID
+    NOTMUCH_VALUE_MESSAGE_ID,
+    NOTMUCH_VALUE_FROM,
+    NOTMUCH_VALUE_SUBJECT
 } notmuch_value_t;
 
 /* Xapian (with flint backend) complains if we provide a term longer
@@ -146,16 +136,30 @@ typedef enum _notmuch_private_status {
  * to or greater than NOTMUCH_STATUS_LAST_STATUS. (The idea here is
  * that the caller has previously handled any expected
  * notmuch_private_status_t values.)
+ *
+ * Note that the function _internal_error does not return. Evaluating
+ * to NOTMUCH_STATUS_SUCCESS is done purely to appease the compiler.
  */
 #define COERCE_STATUS(private_status, format, ...)                     \
     ((private_status >= (notmuch_private_status_t) NOTMUCH_STATUS_LAST_STATUS)\
      ?                                                                 \
-     (notmuch_status_t) _internal_error (format " (%s).\n",            \
-                                         ##__VA_ARGS__,                        \
-                                         __location__)                 \
+     _internal_error (format " (%s).\n",                               \
+                      ##__VA_ARGS__,                                   \
+                      __location__),                                   \
+     (notmuch_status_t) NOTMUCH_PRIVATE_STATUS_SUCCESS                 \
      :                                                                 \
      (notmuch_status_t) private_status)
 
+/* Flags shared by various lookup functions. */
+typedef enum _notmuch_find_flags {
+    /* Lookup without creating any documents.  This is the default
+     * behavior. */
+    NOTMUCH_FIND_LOOKUP = 0,
+    /* If set, create the necessary document (or documents) if they
+     * are missing.  Requires a read/write database. */
+    NOTMUCH_FIND_CREATE = 1<<0,
+} notmuch_find_flags_t;
+
 typedef struct _notmuch_doc_id_set notmuch_doc_id_set_t;
 
 /* database.cc */
@@ -196,6 +200,7 @@ _notmuch_database_find_unique_doc_id (notmuch_database_t *notmuch,
 notmuch_status_t
 _notmuch_database_find_directory_id (notmuch_database_t *database,
                                     const char *path,
+                                    notmuch_find_flags_t flags,
                                     unsigned int *directory_id);
 
 const char *
@@ -207,6 +212,7 @@ notmuch_status_t
 _notmuch_database_filename_to_direntry (void *ctx,
                                        notmuch_database_t *notmuch,
                                        const char *filename,
+                                       notmuch_find_flags_t flags,
                                        char **direntry);
 
 /* directory.cc */
@@ -214,20 +220,12 @@ _notmuch_database_filename_to_direntry (void *ctx,
 notmuch_directory_t *
 _notmuch_directory_create (notmuch_database_t *notmuch,
                           const char *path,
+                          notmuch_find_flags_t flags,
                           notmuch_status_t *status_ret);
 
 unsigned int
 _notmuch_directory_get_document_id (notmuch_directory_t *directory);
 
-/* thread.cc */
-
-notmuch_thread_t *
-_notmuch_thread_create (void *ctx,
-                       notmuch_database_t *notmuch,
-                       unsigned int seed_doc_id,
-                       notmuch_doc_id_set_t *match_set,
-                       notmuch_sort_t sort);
-
 /* message.cc */
 
 notmuch_message_t *
@@ -281,12 +279,16 @@ void
 _notmuch_message_ensure_thread_id (notmuch_message_t *message);
 
 void
-_notmuch_message_set_date (notmuch_message_t *message,
-                          const char *date);
-
+_notmuch_message_set_header_values (notmuch_message_t *message,
+                                   const char *date,
+                                   const char *from,
+                                   const char *subject);
 void
 _notmuch_message_sync (notmuch_message_t *message);
 
+notmuch_status_t
+_notmuch_message_delete (notmuch_message_t *message);
+
 void
 _notmuch_message_close (notmuch_message_t *message);
 
@@ -371,7 +373,7 @@ void
 notmuch_message_file_restrict_headersv (notmuch_message_file_t *message,
                                        va_list va_headers);
 
-/* Get the value of the specified header from the message.
+/* Get the value of the specified header from the message as a UTF-8 string.
  *
  * The header name is case insensitive.
  *
@@ -405,18 +407,15 @@ typedef struct _notmuch_message_list {
  * somewhere with some nasty C++ objects in it. We'll try to maintain
  * ignorance of that here. (See notmuch_mset_messages_t in query.cc)
  */
-struct _notmuch_messages {
+struct visible _notmuch_messages {
     notmuch_bool_t is_of_list_type;
+    notmuch_doc_id_set_t *excluded_doc_ids;
     notmuch_message_node_t *iterator;
 };
 
 notmuch_message_list_t *
 _notmuch_message_list_create (const void *ctx);
 
-void
-_notmuch_message_list_append (notmuch_message_list_t *list,
-                             notmuch_message_node_t *node);
-
 void
 _notmuch_message_list_add_message (notmuch_message_list_t *list,
                                   notmuch_message_t *message);
@@ -447,7 +446,7 @@ _notmuch_doc_id_set_remove (notmuch_doc_id_set_t *doc_ids,
 
 void
 _notmuch_message_add_reply (notmuch_message_t *message,
-                           notmuch_message_node_t *reply);
+                           notmuch_message_t *reply);
 
 /* sha1.c */
 
@@ -464,7 +463,7 @@ typedef struct _notmuch_string_node {
     struct _notmuch_string_node *next;
 } notmuch_string_node_t;
 
-typedef struct _notmuch_string_list {
+typedef struct visible _notmuch_string_list {
     int length;
     notmuch_string_node_t *head;
     notmuch_string_node_t **tail;
@@ -497,8 +496,37 @@ notmuch_filenames_t *
 _notmuch_filenames_create (const void *ctx,
                           notmuch_string_list_t *list);
 
-#pragma GCC visibility pop
+/* thread.cc */
+
+notmuch_thread_t *
+_notmuch_thread_create (void *ctx,
+                       notmuch_database_t *notmuch,
+                       unsigned int seed_doc_id,
+                       notmuch_doc_id_set_t *match_set,
+                       notmuch_string_list_t *excluded_terms,
+                       notmuch_exclude_t omit_exclude,
+                       notmuch_sort_t sort);
 
 NOTMUCH_END_DECLS
 
+#ifdef __cplusplus
+/* Implicit typecast from 'void *' to 'T *' is okay in C, but not in
+ * C++. In talloc_steal, an explicit cast is provided for type safety
+ * in some GCC versions. Otherwise, a cast is required. Provide a
+ * template function for this to maintain type safety, and redefine
+ * talloc_steal to use it.
+ */
+#if !(__GNUC__ >= 3)
+template <class T> T *
+_notmuch_talloc_steal (const void *new_ctx, const T *ptr)
+{
+    return static_cast<T *> (talloc_steal (new_ctx, ptr));
+}
+#undef talloc_steal
+#define talloc_steal _notmuch_talloc_steal
+#endif
+#endif
+
+#pragma GCC visibility pop
+
 #endif