89 lines
2.8 KiB
Rust
89 lines
2.8 KiB
Rust
/*
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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;
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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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