libify: Move library sources down into lib directory.

A "make" invocation still works from the top-level, but not from
down inside the lib directory yet.

1 files changed, 0 insertions, 658 deletions

diff --git a/message.cc b/message.cc
deleted file mode 100644
index 28f19a88..00000000
--- a/message.cc
+++ /dev/null
@@ -1,658 +0,0 @@
-/* message.cc - Results of message-based searches from a notmuch database
- *
- * Copyright © 2009 Carl Worth
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see http://www.gnu.org/licenses/ .
- *
- * Author: Carl Worth <cworth@cworth.org>
- */
-
-#include "notmuch-private.h"
-#include "database-private.h"
-
-#include <gmime/gmime.h>
-
-#include <xapian.h>
-
-struct _notmuch_message {
-    notmuch_database_t *notmuch;
-    Xapian::docid doc_id;
-    int frozen;
-    char *message_id;
-    char *thread_id;
-    char *filename;
-    notmuch_message_file_t *message_file;
-    Xapian::Document doc;
-};
-
-/* "128 bits of thread-id ought to be enough for anybody" */
-#define NOTMUCH_THREAD_ID_BITS	 128
-#define NOTMUCH_THREAD_ID_DIGITS (NOTMUCH_THREAD_ID_BITS / 4)
-typedef struct _thread_id {
-    char str[NOTMUCH_THREAD_ID_DIGITS + 1];
-} thread_id_t;
-
-/* We end up having to call the destructor explicitly because we had
- * to use "placement new" in order to initialize C++ objects within a
- * block that we allocated with talloc. So C++ is making talloc
- * slightly less simple to use, (we wouldn't need
- * talloc_set_destructor at all otherwise).
- */
-static int
-_notmuch_message_destructor (notmuch_message_t *message)
-{
-    message->doc.~Document ();
-
-    return 0;
-}
-
-/* Create a new notmuch_message_t object for an existing document in
- * the database.
- *
- * Here, 'talloc owner' is an optional talloc context to which the new
- * message will belong. This allows for the caller to not bother
- * calling notmuch_message_destroy on the message, and no that all
- * memory will be reclaimed with 'talloc_owner' is free. The caller
- * still can call notmuch_message_destroy when finished with the
- * message if desired.
- *
- * The 'talloc_owner' argument can also be NULL, in which case the
- * caller *is* responsible for calling notmuch_message_destroy.
- *
- * If no document exists in the database with document ID of 'doc_id'
- * then this function returns NULL and optionally sets *status to
- * NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND.
- *
- * This function can also fail to due lack of available memory,
- * returning NULL and optionally setting *status to
- * NOTMUCH_PRIVATE_STATUS_OUT_OF_MEMORY.
- *
- * The caller can pass NULL for status if uninterested in
- * distinguishing these two cases.
- */
-notmuch_message_t *
-_notmuch_message_create (const void *talloc_owner,
-			 notmuch_database_t *notmuch,
-			 unsigned int doc_id,
-			 notmuch_private_status_t *status)
-{
-    notmuch_message_t *message;
-
-    if (status)
-	*status = NOTMUCH_PRIVATE_STATUS_SUCCESS;
-
-    message = talloc (talloc_owner, notmuch_message_t);
-    if (unlikely (message == NULL)) {
-	if (status)
-	    *status = NOTMUCH_PRIVATE_STATUS_OUT_OF_MEMORY;
-	return NULL;
-    }
-
-    message->notmuch = notmuch;
-    message->doc_id = doc_id;
-
-    message->frozen = 0;
-
-    /* Each of these will be lazily created as needed. */
-    message->message_id = NULL;
-    message->thread_id = NULL;
-    message->filename = NULL;
-    message->message_file = NULL;
-
-    /* This is C++'s creepy "placement new", which is really just an
-     * ugly way to call a constructor for a pre-allocated object. So
-     * it's really not an error to not be checking for OUT_OF_MEMORY
-     * here, since this "new" isn't actually allocating memory. This
-     * is language-design comedy of the wrong kind. */
-
-    new (&message->doc) Xapian::Document;
-
-    talloc_set_destructor (message, _notmuch_message_destructor);
-
-    try {
-	message->doc = notmuch->xapian_db->get_document (doc_id);
-    } catch (const Xapian::DocNotFoundError &error) {
-	talloc_free (message);
-	if (status)
-	    *status = NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND;
-	return NULL;
-    }
-
-    return message;
-}
-
-/* Create a new notmuch_message_t object for a specific message ID,
- * (which may or may not already exist in the databas).
- *
- * Here, 'talloc owner' is an optional talloc context to which the new
- * message will belong. This allows for the caller to not bother
- * calling notmuch_message_destroy on the message, and no that all
- * memory will be reclaimed with 'talloc_owner' is free. The caller
- * still can call notmuch_message_destroy when finished with the
- * message if desired.
- *
- * The 'talloc_owner' argument can also be NULL, in which case the
- * caller *is* responsible for calling notmuch_message_destroy.
- *
- * If there is already a document with message ID 'message_id' in the
- * database, then the returned message can be used to query/modify the
- * document. Otherwise, a new document will be inserted into the
- * database before this function returns, (and *status will be set
- * to NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND).
- *
- * If an error occurs, this function will return NULL and *status
- * will be set as appropriate. (The status pointer argument must
- * not be NULL.)
- */
-notmuch_message_t *
-_notmuch_message_create_for_message_id (const void *talloc_owner,
-					notmuch_database_t *notmuch,
-					const char *message_id,
-					notmuch_private_status_t *status_ret)
-{
-    notmuch_message_t *message;
-    Xapian::Document doc;
-    unsigned int doc_id;
-    char *term;
-
-    *status_ret = NOTMUCH_PRIVATE_STATUS_SUCCESS;
-
-    message = notmuch_database_find_message (notmuch, message_id);
-    if (message)
-	return talloc_steal (talloc_owner, message);
-
-    term = talloc_asprintf (NULL, "%s%s",
-			    _find_prefix ("id"), message_id);
-    if (term == NULL) {
-	*status_ret = NOTMUCH_PRIVATE_STATUS_OUT_OF_MEMORY;
-	return NULL;
-    }
-
-    try {
-	doc.add_term (term);
-	talloc_free (term);
-
-	doc.add_value (NOTMUCH_VALUE_MESSAGE_ID, message_id);
-
-	doc_id = notmuch->xapian_db->add_document (doc);
-    } catch (const Xapian::Error &error) {
-	*status_ret = NOTMUCH_PRIVATE_STATUS_XAPIAN_EXCEPTION;
-	return NULL;
-    }
-
-    message = _notmuch_message_create (talloc_owner, notmuch,
-				       doc_id, status_ret);
-
-    /* We want to inform the caller that we had to create a new
-     * document. */
-    if (*status_ret == NOTMUCH_PRIVATE_STATUS_SUCCESS)
-	*status_ret = NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND;
-
-    return message;
-}
-
-const char *
-notmuch_message_get_message_id (notmuch_message_t *message)
-{
-    Xapian::TermIterator i;
-
-    if (message->message_id)
-	return message->message_id;
-
-    i = message->doc.termlist_begin ();
-    i.skip_to (_find_prefix ("id"));
-
-    if (i == message->doc.termlist_end ())
-	INTERNAL_ERROR ("Message with document ID of %d has no message ID.\n",
-			message->doc_id);
-
-    message->message_id = talloc_strdup (message, (*i).c_str () + 1);
-
-#if DEBUG_DATABASE_SANITY
-    i++;
-
-    if (i != message->doc.termlist_end () &&
-	strncmp ((*i).c_str (), _find_prefix ("id"),
-		 strlen (_find_prefix ("id"))) == 0)
-    {
-	INTERNAL_ERROR ("Mail (doc_id: %d) has duplicate message IDs",
-			message->doc_id);
-    }
-#endif
-
-    return message->message_id;
-}
-
-static void
-_notmuch_message_ensure_message_file (notmuch_message_t *message)
-{
-    const char *filename;
-
-    if (message->message_file)
-	return;
-
-    filename = notmuch_message_get_filename (message);
-    if (unlikely (filename == NULL))
-	return;
-
-    message->message_file = _notmuch_message_file_open_ctx (message, filename);
-}
-
-const char *
-notmuch_message_get_header (notmuch_message_t *message, const char *header)
-{
-    _notmuch_message_ensure_message_file (message);
-    if (message->message_file == NULL)
-	return NULL;
-
-    return notmuch_message_file_get_header (message->message_file, header);
-}
-
-const char *
-notmuch_message_get_thread_id (notmuch_message_t *message)
-{
-    Xapian::TermIterator i;
-
-    if (message->thread_id)
-	return message->thread_id;
-
-    i = message->doc.termlist_begin ();
-    i.skip_to (_find_prefix ("thread"));
-
-    if (i == message->doc.termlist_end ())
-	INTERNAL_ERROR ("Message with document ID of %d has no thread ID.\n",
-			message->doc_id);
-
-    message->thread_id = talloc_strdup (message, (*i).c_str () + 1);
-
-#if DEBUG_DATABASE_SANITY
-    i++;
-
-    if (i != message->doc.termlist_end () &&
-	strncmp ((*i).c_str (), _find_prefix ("thread"),
-		 strlen (_find_prefix ("thread"))) == 0)
-    {
-	INTERNAL_ERROR ("Message %s has duplicate thread IDs: %s and %s\n",
-			notmuch_message_get_message_id (message),
-			message->thread_id,
-			(*i).c_str () + 1);
-    }
-#endif
-
-    return message->thread_id;
-}
-
-/* Set the filename for 'message' to 'filename'.
- *
- * XXX: We should still figure out if we think it's important to store
- * multiple filenames for email messages with identical message IDs.
- *
- * This change will not be reflected in the database until the next
- * call to _notmuch_message_set_sync. */
-void
-_notmuch_message_set_filename (notmuch_message_t *message,
-			       const char *filename)
-{
-    const char *s;
-    const char *db_path;
-    unsigned int db_path_len;
-
-    if (message->filename) {
-	talloc_free (message->filename);
-	message->filename = NULL;
-    }
-
-    if (filename == NULL)
-	INTERNAL_ERROR ("Message filename cannot be NULL.");
-
-    s = filename;
-
-    db_path = notmuch_database_get_path (message->notmuch);
-    db_path_len = strlen (db_path);
-
-    if (*s == '/' && strncmp (s, db_path, db_path_len) == 0
-	&& strlen (s) > db_path_len)
-    {
-	s += db_path_len + 1;
-    }
-
-    message->doc.set_data (s);
-}
-
-const char *
-notmuch_message_get_filename (notmuch_message_t *message)
-{
-    std::string filename_str;
-    const char *db_path;
-
-    if (message->filename)
-	return message->filename;
-
-    filename_str = message->doc.get_data ();
-    db_path = notmuch_database_get_path (message->notmuch);
-
-    if (filename_str[0] != '/')
-	message->filename = talloc_asprintf (message, "%s/%s", db_path,
-					     filename_str.c_str ());
-    else
-	message->filename = talloc_strdup (message, filename_str.c_str ());
-
-    return message->filename;
-}
-
-time_t
-notmuch_message_get_date (notmuch_message_t *message)
-{
-    std::string value;
-
-    try {
-	value = message->doc.get_value (NOTMUCH_VALUE_TIMESTAMP);
-    } catch (Xapian::Error &error) {
-	INTERNAL_ERROR ("Failed to read timestamp value from document.");
-	return 0;
-    }
-
-    return Xapian::sortable_unserialise (value);
-}
-
-notmuch_tags_t *
-notmuch_message_get_tags (notmuch_message_t *message)
-{
-    const char *prefix = _find_prefix ("tag");
-    Xapian::TermIterator i, end;
-    notmuch_tags_t *tags;
-    std::string tag;
-
-    /* Currently this iteration is written with the assumption that
-     * "tag" has a single-character prefix. */
-    assert (strlen (prefix) == 1);
-
-    tags = _notmuch_tags_create (message);
-    if (unlikely (tags == NULL))
-	return NULL;
-
-    i = message->doc.termlist_begin ();
-    end = message->doc.termlist_end ();
-
-    i.skip_to (prefix);
-
-    while (1) {
-	tag = *i;
-
-	if (tag.empty () || tag[0] != *prefix)
-	    break;
-
-	_notmuch_tags_add_tag (tags, tag.c_str () + 1);
-
-	i++;
-    }
-
-    _notmuch_tags_prepare_iterator (tags);
-
-    return tags;
-}
-
-void
-_notmuch_message_set_date (notmuch_message_t *message,
-			   const char *date)
-{
-    time_t time_value;
-
-    /* GMime really doesn't want to see a NULL date, so protect its
-     * sensibilities. */
-    if (date == NULL)
-	time_value = 0;
-    else
-	time_value = g_mime_utils_header_decode_date (date, NULL);
-
-    message->doc.add_value (NOTMUCH_VALUE_TIMESTAMP,
-			    Xapian::sortable_serialise (time_value));
-}
-
-static void
-thread_id_generate (thread_id_t *thread_id)
-{
-    static int seeded = 0;
-    FILE *dev_random;
-    uint32_t value;
-    char *s;
-    int i;
-
-    if (! seeded) {
-	dev_random = fopen ("/dev/random", "r");
-	if (dev_random == NULL) {
-	    srand (time (NULL));
-	} else {
-	    fread ((void *) &value, sizeof (value), 1, dev_random);
-	    srand (value);
-	    fclose (dev_random);
-	}
-	seeded = 1;
-    }
-
-    s = thread_id->str;
-    for (i = 0; i < NOTMUCH_THREAD_ID_DIGITS; i += 8) {
-	value = rand ();
-	sprintf (s, "%08x", value);
-	s += 8;
-    }
-}
-
-void
-_notmuch_message_ensure_thread_id (notmuch_message_t *message)
-{
-    /* If not part of any existing thread, generate a new thread_id. */
-    thread_id_t thread_id;
-
-    thread_id_generate (&thread_id);
-    _notmuch_message_add_term (message, "thread", thread_id.str);
-}
-
-/* Synchronize changes made to message->doc out into the database. */
-void
-_notmuch_message_sync (notmuch_message_t *message)
-{
-    Xapian::WritableDatabase *db = message->notmuch->xapian_db;
-
-    db->replace_document (message->doc_id, message->doc);
-}
-
-/* Add a name:value term to 'message', (the actual term will be
- * encoded by prefixing the value with a short prefix). See
- * NORMAL_PREFIX and BOOLEAN_PREFIX arrays for the mapping of term
- * names to prefix values.
- *
- * This change will not be reflected in the database until the next
- * call to _notmuch_message_set_sync. */
-notmuch_private_status_t
-_notmuch_message_add_term (notmuch_message_t *message,
-			   const char *prefix_name,
-			   const char *value)
-{
-
-    char *term;
-
-    if (value == NULL)
-	return NOTMUCH_PRIVATE_STATUS_NULL_POINTER;
-
-    term = talloc_asprintf (message, "%s%s",
-			    _find_prefix (prefix_name), value);
-
-    if (strlen (term) > NOTMUCH_TERM_MAX)
-	return NOTMUCH_PRIVATE_STATUS_TERM_TOO_LONG;
-
-    message->doc.add_term (term);
-
-    talloc_free (term);
-
-    return NOTMUCH_PRIVATE_STATUS_SUCCESS;
-}
-
-/* Parse 'text' and add a term to 'message' for each parsed word. Each
- * term will be added both prefixed (if prefix_name is not NULL) and
- * also unprefixed). */
-notmuch_private_status_t
-_notmuch_message_gen_terms (notmuch_message_t *message,
-			    const char *prefix_name,
-			    const char *text)
-{
-    Xapian::TermGenerator *term_gen = message->notmuch->term_gen;
-
-    if (text == NULL)
-	return NOTMUCH_PRIVATE_STATUS_NULL_POINTER;
-
-    term_gen->set_document (message->doc);
-
-    if (prefix_name) {
-	const char *prefix = _find_prefix (prefix_name);
-
-	term_gen->index_text (text, 1, prefix);
-    }
-
-    term_gen->index_text (text);
-
-    return NOTMUCH_PRIVATE_STATUS_SUCCESS;
-}
-
-/* Remove a name:value term from 'message', (the actual term will be
- * encoded by prefixing the value with a short prefix). See
- * NORMAL_PREFIX and BOOLEAN_PREFIX arrays for the mapping of term
- * names to prefix values.
- *
- * This change will not be reflected in the database until the next
- * call to _notmuch_message_set_sync. */
-notmuch_private_status_t
-_notmuch_message_remove_term (notmuch_message_t *message,
-			      const char *prefix_name,
-			      const char *value)
-{
-    char *term;
-
-    if (value == NULL)
-	return NOTMUCH_PRIVATE_STATUS_NULL_POINTER;
-
-    term = talloc_asprintf (message, "%s%s",
-			    _find_prefix (prefix_name), value);
-
-    if (strlen (term) > NOTMUCH_TERM_MAX)
-	return NOTMUCH_PRIVATE_STATUS_TERM_TOO_LONG;
-
-    try {
-	message->doc.remove_term (term);
-    } catch (const Xapian::InvalidArgumentError) {
-	/* We'll let the philosopher's try to wrestle with the
-	 * question of whether failing to remove that which was not
-	 * there in the first place is failure. For us, we'll silently
-	 * consider it all good. */
-    }
-
-    talloc_free (term);
-
-    return NOTMUCH_PRIVATE_STATUS_SUCCESS;
-}
-
-notmuch_status_t
-notmuch_message_add_tag (notmuch_message_t *message, const char *tag)
-{
-    notmuch_private_status_t status;
-
-    if (tag == NULL)
-	return NOTMUCH_STATUS_NULL_POINTER;
-
-    if (strlen (tag) > NOTMUCH_TAG_MAX)
-	return NOTMUCH_STATUS_TAG_TOO_LONG;
-
-    status = _notmuch_message_add_term (message, "tag", tag);
-    if (status) {
-	INTERNAL_ERROR ("_notmuch_message_add_term return unexpected value: %d\n",
-			status);
-    }
-
-    if (! message->frozen)
-	_notmuch_message_sync (message);
-
-    return NOTMUCH_STATUS_SUCCESS;
-}
-
-notmuch_status_t
-notmuch_message_remove_tag (notmuch_message_t *message, const char *tag)
-{
-    notmuch_private_status_t status;
-
-    if (tag == NULL)
-	return NOTMUCH_STATUS_NULL_POINTER;
-
-    if (strlen (tag) > NOTMUCH_TAG_MAX)
-	return NOTMUCH_STATUS_TAG_TOO_LONG;
-
-    status = _notmuch_message_remove_term (message, "tag", tag);
-    if (status) {
-	INTERNAL_ERROR ("_notmuch_message_remove_term return unexpected value: %d\n",
-			status);
-    }
-
-    if (! message->frozen)
-	_notmuch_message_sync (message);
-
-    return NOTMUCH_STATUS_SUCCESS;
-}
-
-void
-notmuch_message_remove_all_tags (notmuch_message_t *message)
-{
-    notmuch_private_status_t status;
-    notmuch_tags_t *tags;
-    const char *tag;
-
-    for (tags = notmuch_message_get_tags (message);
-	 notmuch_tags_has_more (tags);
-	 notmuch_tags_advance (tags))
-    {
-	tag = notmuch_tags_get (tags);
-
-	status = _notmuch_message_remove_term (message, "tag", tag);
-	if (status) {
-	    INTERNAL_ERROR ("_notmuch_message_remove_term return unexpected value: %d\n",
-			    status);
-	}
-    }
-
-    if (! message->frozen)
-	_notmuch_message_sync (message);
-}
-
-void
-notmuch_message_freeze (notmuch_message_t *message)
-{
-    message->frozen++;
-}
-
-notmuch_status_t
-notmuch_message_thaw (notmuch_message_t *message)
-{
-    if (message->frozen > 0) {
-	message->frozen--;
-	if (message->frozen == 0)
-	    _notmuch_message_sync (message);
-	return NOTMUCH_STATUS_SUCCESS;
-    } else {
-	return NOTMUCH_STATUS_UNBALANCED_FREEZE_THAW;
-    }
-}
-
-void
-notmuch_message_destroy (notmuch_message_t *message)
-{
-    talloc_free (message);
-}