mirror of https://git.meli.delivery/meli/meli
melib/notmuch: add Message,TagIterator,Thread types
parent
8c6c9806b5
commit
341ff9164b
@ -0,0 +1,229 @@
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/*
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* melib - notmuch backend
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*
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* Copyright 2020 Manos Pitsidianakis
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*
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* This file is part of meli.
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*
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* meli is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* meli is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with meli. If not, see <http://www.gnu.org/licenses/>.
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*/
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use super::*;
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use crate::thread::{ThreadHash, ThreadNode, ThreadNodeHash};
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#[derive(Clone)]
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pub struct Message<'m> {
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pub lib: Arc<libloading::Library>,
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pub message: *mut notmuch_message_t,
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pub is_from_thread: bool,
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pub _ph: std::marker::PhantomData<&'m notmuch_message_t>,
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}
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impl<'m> Message<'m> {
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pub fn find_message(
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lib: Arc<libloading::Library>,
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db: &'m DbConnection,
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msg_id: &CStr,
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) -> Result<Message<'m>> {
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let mut message: *mut notmuch_message_t = std::ptr::null_mut();
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unsafe {
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call!(lib, notmuch_database_find_message)(
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*db.inner.read().unwrap(),
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msg_id.as_ptr(),
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&mut message as *mut _,
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)
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};
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if message.is_null() {
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return Err(MeliError::new(format!(
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"Message with message id {:?} not found in notmuch database.",
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msg_id
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)));
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}
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Ok(Message {
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lib,
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message,
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is_from_thread: false,
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_ph: std::marker::PhantomData,
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})
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}
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pub fn env_hash(&self) -> EnvelopeHash {
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let msg_id = unsafe { call!(self.lib, notmuch_message_get_message_id)(self.message) };
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let c_str = unsafe { CStr::from_ptr(msg_id) };
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{
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let mut hasher = DefaultHasher::default();
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c_str.hash(&mut hasher);
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hasher.finish()
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}
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}
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pub fn msg_id(&self) -> &[u8] {
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let c_str = self.msg_id_cstr();
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c_str.to_bytes()
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}
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pub fn msg_id_cstr(&self) -> &CStr {
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let msg_id = unsafe { call!(self.lib, notmuch_message_get_message_id)(self.message) };
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unsafe { CStr::from_ptr(msg_id) }
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}
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pub fn date(&self) -> crate::datetime::UnixTimestamp {
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(unsafe { call!(self.lib, notmuch_message_get_date)(self.message) }) as u64
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}
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pub fn into_envelope(
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self,
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index: Arc<RwLock<HashMap<EnvelopeHash, CString>>>,
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tag_index: Arc<RwLock<BTreeMap<u64, String>>>,
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) -> Result<Envelope> {
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let mut contents = Vec::new();
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let path = self.get_filename().to_os_string();
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let mut f = std::fs::File::open(&path)?;
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f.read_to_end(&mut contents)?;
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let env_hash = self.env_hash();
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let mut env = Envelope::from_bytes(&contents, None).chain_err_summary(|| {
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index.write().unwrap().remove(&env_hash);
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format!("could not parse path {:?}", path)
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})?;
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env.set_hash(env_hash);
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index
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.write()
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.unwrap()
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.insert(env_hash, self.msg_id_cstr().into());
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let mut tag_lock = tag_index.write().unwrap();
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let (flags, tags) = TagIterator::new(self).collect_flags_and_tags();
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for tag in tags {
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let mut hasher = DefaultHasher::new();
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hasher.write(tag.as_bytes());
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let num = hasher.finish();
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if !tag_lock.contains_key(&num) {
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tag_lock.insert(num, tag);
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}
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env.labels_mut().push(num);
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}
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env.set_flags(flags);
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Ok(env)
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}
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pub fn replies_iter(&self) -> Option<MessageIterator> {
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if self.is_from_thread {
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let messages = unsafe { call!(self.lib, notmuch_message_get_replies)(self.message) };
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if messages.is_null() {
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None
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} else {
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Some(MessageIterator {
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lib: self.lib.clone(),
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messages,
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_ph: std::marker::PhantomData,
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is_from_thread: true,
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})
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}
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} else {
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None
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}
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}
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pub fn into_thread_node(&self) -> (ThreadNodeHash, ThreadNode) {
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(
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ThreadNodeHash::from(self.msg_id()),
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ThreadNode {
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message: Some(self.env_hash()),
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parent: None,
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children: vec![],
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date: self.date(),
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show_subject: true,
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group: ThreadHash::new(),
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unseen: false,
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},
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)
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}
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pub fn add_tag(&self, tag: &CStr) -> Result<()> {
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if let Err(err) = unsafe {
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try_call!(
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self.lib,
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call!(self.lib, notmuch_message_add_tag)(self.message, tag.as_ptr())
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)
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} {
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return Err(MeliError::new("Could not set tag.").set_source(Some(Arc::new(err))));
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}
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Ok(())
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}
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pub fn remove_tag(&self, tag: &CStr) -> Result<()> {
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if let Err(err) = unsafe {
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try_call!(
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self.lib,
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call!(self.lib, notmuch_message_remove_tag)(self.message, tag.as_ptr())
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)
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} {
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return Err(MeliError::new("Could not set tag.").set_source(Some(Arc::new(err))));
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}
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Ok(())
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}
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pub fn tags_to_maildir_flags(&self) -> Result<()> {
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if let Err(err) = unsafe {
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try_call!(
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self.lib,
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call!(self.lib, notmuch_message_tags_to_maildir_flags)(self.message)
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)
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} {
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return Err(MeliError::new("Could not set flags.").set_source(Some(Arc::new(err))));
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}
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Ok(())
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}
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pub fn get_filename(&self) -> &OsStr {
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let fs_path = unsafe { call!(self.lib, notmuch_message_get_filename)(self.message) };
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let c_str = unsafe { CStr::from_ptr(fs_path) };
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&OsStr::from_bytes(c_str.to_bytes())
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}
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}
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impl Drop for Message<'_> {
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fn drop(&mut self) {
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unsafe { call!(self.lib, notmuch_message_destroy)(self.message) };
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}
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}
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pub struct MessageIterator<'query> {
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pub lib: Arc<libloading::Library>,
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pub messages: *mut notmuch_messages_t,
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pub is_from_thread: bool,
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pub _ph: std::marker::PhantomData<*const Query<'query>>,
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}
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impl<'q> Iterator for MessageIterator<'q> {
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type Item = Message<'q>;
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fn next(&mut self) -> Option<Self::Item> {
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if self.messages.is_null() {
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None
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} else if unsafe { call!(self.lib, notmuch_messages_valid)(self.messages) } == 1 {
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let message = unsafe { call!(self.lib, notmuch_messages_get)(self.messages) };
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unsafe {
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call!(self.lib, notmuch_messages_move_to_next)(self.messages);
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}
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Some(Message {
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lib: self.lib.clone(),
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message,
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is_from_thread: self.is_from_thread,
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_ph: std::marker::PhantomData,
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})
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} else {
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self.messages = std::ptr::null_mut();
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None
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}
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}
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}
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@ -0,0 +1,129 @@
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/*
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* melib - notmuch backend
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*
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* Copyright 2020 Manos Pitsidianakis
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*
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* This file is part of meli.
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*
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* meli is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* meli is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with meli. If not, see <http://www.gnu.org/licenses/>.
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*/
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use super::*;
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pub struct TagIterator<'m> {
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pub tags: *mut notmuch_tags_t,
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pub message: Message<'m>,
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}
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impl Drop for TagIterator<'_> {
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fn drop(&mut self) {
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unsafe { call!(self.message.lib, notmuch_tags_destroy)(self.tags) };
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}
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}
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impl<'m> TagIterator<'m> {
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pub fn new(message: Message<'m>) -> TagIterator<'m> {
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TagIterator {
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tags: unsafe { call!(message.lib, notmuch_message_get_tags)(message.message) },
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message,
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}
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}
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pub fn collect_flags_and_tags(self) -> (Flag, Vec<String>) {
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fn flags(path: &CStr) -> Flag {
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let mut flag = Flag::default();
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let mut ptr = path.to_bytes().len().saturating_sub(1);
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let mut is_valid = true;
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while !path.to_bytes()[..ptr + 1].ends_with(b":2,") {
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match path.to_bytes()[ptr] {
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b'D' => flag |= Flag::DRAFT,
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b'F' => flag |= Flag::FLAGGED,
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b'P' => flag |= Flag::PASSED,
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b'R' => flag |= Flag::REPLIED,
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b'S' => flag |= Flag::SEEN,
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b'T' => flag |= Flag::TRASHED,
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_ => {
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is_valid = false;
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break;
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}
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}
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if ptr == 0 {
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is_valid = false;
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break;
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}
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ptr -= 1;
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}
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if !is_valid {
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return Flag::default();
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}
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flag
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}
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let fs_path =
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unsafe { call!(self.message.lib, notmuch_message_get_filename)(self.message.message) };
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let c_str = unsafe { CStr::from_ptr(fs_path) };
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let tags = self.collect::<Vec<&CStr>>();
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let mut flag = Flag::default();
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let mut vec = vec![];
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for t in tags {
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match t.to_bytes() {
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b"draft" => {
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flag.set(Flag::DRAFT, true);
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}
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b"flagged" => {
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flag.set(Flag::FLAGGED, true);
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}
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b"passed" => {
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flag.set(Flag::PASSED, true);
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}
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b"replied" => {
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flag.set(Flag::REPLIED, true);
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}
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b"unread" => {
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flag.set(Flag::SEEN, false);
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}
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b"trashed" => {
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flag.set(Flag::TRASHED, true);
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}
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_other => {
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vec.push(t.to_string_lossy().into_owned());
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}
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}
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}
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(flag | flags(c_str), vec)
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}
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}
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impl<'m> Iterator for TagIterator<'m> {
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type Item = &'m CStr;
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fn next(&mut self) -> Option<Self::Item> {
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if self.tags.is_null() {
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None
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} else if unsafe { call!(self.message.lib, notmuch_tags_valid)(self.tags) } == 1 {
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let ret = Some(unsafe {
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CStr::from_ptr(call!(self.message.lib, notmuch_tags_get)(self.tags))
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});
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unsafe {
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call!(self.message.lib, notmuch_tags_move_to_next)(self.tags);
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}
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ret
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} else {
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self.tags = std::ptr::null_mut();
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None
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}
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}
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}
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@ -0,0 +1,88 @@
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/*
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* melib - notmuch backend
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*
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* Copyright 2020 Manos Pitsidianakis
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||||
*
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* This file is part of meli.
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||||
*
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* meli is free software: you can redistribute it and/or modify
|
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* 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.
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||||
*
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* meli 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.
|
||||
*
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* You should have received a copy of the GNU General Public License
|
||||
* along with meli. If not, see <http://www.gnu.org/licenses/>.
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*/
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use super::*;
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use crate::thread::ThreadHash;
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pub struct Thread<'query> {
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pub lib: Arc<libloading::Library>,
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pub ptr: *mut notmuch_thread_t,
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pub _ph: std::marker::PhantomData<*const Query<'query>>,
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}
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impl<'q> Thread<'q> {
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pub fn id(&self) -> ThreadHash {
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let thread_id = unsafe { call!(self.lib, notmuch_thread_get_thread_id)(self.ptr) };
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let c_str = unsafe { CStr::from_ptr(thread_id) };
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ThreadHash::from(c_str.to_bytes())
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}
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pub fn date(&self) -> crate::datetime::UnixTimestamp {
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(unsafe { call!(self.lib, notmuch_thread_get_newest_date)(self.ptr) }) as u64
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}
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pub fn len(&self) -> usize {
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(unsafe { call!(self.lib, notmuch_thread_get_total_messages)(self.ptr) }) as usize
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}
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pub fn iter(&'q self) -> MessageIterator<'q> {
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let ptr = unsafe { call!(self.lib, notmuch_thread_get_messages)(self.ptr) };
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MessageIterator {
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lib: self.lib.clone(),
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messages: ptr,
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is_from_thread: true,
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_ph: std::marker::PhantomData,
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}
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}
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}
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impl Drop for Thread<'_> {
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fn drop(&mut self) {
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unsafe { call!(self.lib, notmuch_thread_destroy)(self.ptr) }
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}
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}
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pub struct ThreadsIterator<'query> {
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pub lib: Arc<libloading::Library>,
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pub threads: *mut notmuch_threads_t,
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pub _ph: std::marker::PhantomData<*const Query<'query>>,
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}
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impl<'q> Iterator for ThreadsIterator<'q> {
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type Item = Thread<'q>;
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fn next(&mut self) -> Option<Self::Item> {
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if self.threads.is_null() {
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None
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} else if unsafe { call!(self.lib, notmuch_threads_valid)(self.threads) } == 1 {
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let thread = unsafe { call!(self.lib, notmuch_threads_get)(self.threads) };
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unsafe {
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call!(self.lib, notmuch_threads_move_to_next)(self.threads);
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}
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Some(Thread {
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lib: self.lib.clone(),
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ptr: thread,
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_ph: std::marker::PhantomData,
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})
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} else {
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self.threads = std::ptr::null_mut();
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None
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}
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}
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}
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