#include "notmuch.h"
+NOTMUCH_BEGIN_DECLS
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE /* For getline */
+#endif
+
+#include <stdio.h>
#include <stdlib.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
#include <string.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <ctype.h>
-NOTMUCH_BEGIN_DECLS
+#include <talloc.h>
+
+#include "xutil.h"
+
+/* 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.
+ */
+/* these macros gain us a few percent of speed on gcc */
+#if (__GNUC__ >= 3)
+/* the strange !! is to ensure that __builtin_expect() takes either 0 or 1
+ as its first argument */
+#ifndef likely
+#define likely(x) __builtin_expect(!!(x), 1)
+#endif
+#ifndef unlikely
+#define unlikely(x) __builtin_expect(!!(x), 0)
+#endif
+#else
+#ifndef likely
+#define likely(x) (x)
+#endif
+#ifndef unlikely
+#define unlikely(x) (x)
+#endif
+#endif
+
+/* These value numbers are chosen to be sup compatible (for now at
+ * least). */
+
+typedef enum {
+ NOTMUCH_VALUE_MESSAGE_ID = 0,
+ NOTMUCH_VALUE_THREAD = 1,
+ NOTMUCH_VALUE_DATE = 2
+} notmuch_value_t;
+
+/* Xapian (with flint backend) complains if we provide a term longer
+ * than this, but I haven't yet found a way to query the limit
+ * programmatically. */
+#define NOTMUCH_TERM_MAX 245
+
+typedef enum _notmuch_private_status {
+ /* First, copy all the public status values. */
+ NOTMUCH_PRIVATE_STATUS_SUCCESS = NOTMUCH_STATUS_SUCCESS,
+ NOTMUCH_PRIVATE_STATUS_XAPIAN_EXCEPTION = NOTMUCH_STATUS_XAPIAN_EXCEPTION,
+ NOTMUCH_PRIVATE_STATUS_FILE_NOT_EMAIL = NOTMUCH_STATUS_FILE_NOT_EMAIL,
+ NOTMUCH_PRIVATE_STATUS_NULL_POINTER = NOTMUCH_STATUS_NULL_POINTER,
+ NOTMUCH_PRIVATE_STATUS_TAG_TOO_LONG = NOTMUCH_STATUS_TAG_TOO_LONG,
+
+ /* Then add our own private values. */
+ NOTMUCH_PRIVATE_STATUS_TERM_TOO_LONG,
+
+ NOTMUCH_PRIVATE_STATUS_LAST_STATUS
+} notmuch_private_status_t;
+
+/* message.cc */
+
+notmuch_message_t *
+_notmuch_message_create (const void *talloc_owner,
+ notmuch_database_t *notmuch,
+ unsigned int doc_id);
+
+/* Lookup a prefix value by name.
+ *
+ * XXX: This should really be static inside of message.cc, and we can
+ * do that once we convert database.cc to use the
+ * _notmuch_message_add/remove_term functions. */
+const char *
+_find_prefix (const char *name);
-/* xutil.c */
-void *
-xcalloc (size_t nmemb, size_t size);
+notmuch_private_status_t
+_notmuch_message_add_term (notmuch_message_t *message,
+ const char *prefix_name,
+ const char *value);
-void *
-xmalloc (size_t size);
+notmuch_private_status_t
+_notmuch_message_remove_term (notmuch_message_t *message,
+ const char *prefix_name,
+ const char *value);
-void *
-xrealloc (void *ptrr, size_t size);
+/* message-file.c */
-char *
-xstrdup (const char *s);
+/* XXX: I haven't decided yet whether these will actually get exported
+ * into the public interface in notmuch.h
+ */
+
+typedef struct _notmuch_message_file notmuch_message_file_t;
+
+/* Open a file containing a single email message.
+ *
+ * The caller should call notmuch_message_close when done with this.
+ *
+ * Returns NULL if any error occurs.
+ */
+notmuch_message_file_t *
+notmuch_message_file_open (const char *filename);
-char *
-xstrndup (const char *s, size_t n);
+/* Close a notmuch message preivously opened with notmuch_message_open. */
+void
+notmuch_message_file_close (notmuch_message_file_t *message);
+
+/* Restrict 'message' to only save the named headers.
+ *
+ * When the caller is only interested in a short list of headers,
+ * known in advance, calling this function can avoid wasted time and
+ * memory parsing/saving header values that will never be needed.
+ *
+ * The variable arguments should be a list of const char * with a
+ * final '(const char *) NULL' to terminate the list.
+ *
+ * If this function is called, it must be called before any calls to
+ * notmuch_message_get_header for this message.
+ *
+ * After calling this function, if notmuch_message_get_header is
+ * called with a header name not in this list, then NULL will be
+ * returned even if that header exists in the actual message.
+ */
+void
+notmuch_message_file_restrict_headers (notmuch_message_file_t *message, ...);
+
+/* Identical to notmuch_message_restrict_headers but accepting a va_list. */
+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.
+ *
+ * The header name is case insensitive.
+ *
+ * The returned value is owned by the notmuch message and is valid
+ * only until the message is closed. The caller should copy it if
+ * needing to modify the value or to hold onto it for longer.
+ *
+ * Returns NULL if the message does not contain a header line matching
+ * 'header'.
+ */
+const char *
+notmuch_message_file_get_header (notmuch_message_file_t *message,
+ const char *header);
+
+/* date.c */
+
+/* Parse an RFC 8222 date string to a time_t value.
+ *
+ * The tz_offset argument can be used to also obtain the time-zone
+ * offset, (but can be NULL if the call is not interested in that).
+ *
+ * Returns 0 on error.
+ */
+time_t
+notmuch_parse_date (const char *str, int *tz_offset);
NOTMUCH_END_DECLS
projects / notmuch / blobdiff