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-rw-r--r--lib/domain/libimagbookmark/src/collection.rs191
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diff --git a/lib/domain/libimagbookmark/src/collection.rs b/lib/domain/libimagbookmark/src/collection.rs
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-//
-// imag - the personal information management suite for the commandline
-// Copyright (C) 2015-2019 Matthias Beyer <mail@beyermatthias.de> and contributors
-//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; version
-// 2.1 of the License.
-//
-// This library 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
-// Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-//
-
-//! BookmarkCollection module
-//!
-//! A BookmarkCollection is nothing more than a simple store entry. One can simply call functions
-//! from the libimagentryurl::linker::UrlLinker trait on this to generate external links.
-//!
-//! The BookmarkCollection type offers helper functions to get all links or such things.
-
-use regex::Regex;
-
-use failure::Fallible as Result;
-use failure::ResultExt;
-use failure::Error;
-
-use libimagstore::store::Store;
-use libimagstore::store::Entry;
-use libimagstore::store::FileLockEntry;
-use libimagstore::storeid::StoreId;
-use libimagentryurl::linker::UrlLinker;
-use libimagentryurl::iter::UrlIter;
-use libimagentrylink::linkable::Linkable;
-use libimagentrylink::link::Link as StoreLink;
-
-use crate::link::Link;
-
-use self::iter::LinksMatchingRegexIter;
-
-pub trait BookmarkCollectionStore<'a> {
- fn new(&'a self, name: &str) -> Result<FileLockEntry<'a>>;
- fn get(&'a self, name: &str) -> Result<Option<FileLockEntry<'a>>>;
- fn delete(&'a self, name: &str) -> Result<()>;
-}
-
-impl<'a> BookmarkCollectionStore<'a> for Store {
-
- #[allow(clippy::new_ret_no_self)]
- fn new(&'a self, name: &str) -> Result<FileLockEntry<'a>> {
- crate::module_path::new_id(name)
- .and_then(|id| self.create(id)
- .context("Failed to create FileLockEntry")
- .map_err(Error::from))
- .context("Failed to create Id for new Bookmark Collection")
- .map_err(Error::from)
- }
-
- fn get(&'a self, name: &str) -> Result<Option<FileLockEntry<'a>>> {
- crate::module_path::new_id(name)
- .and_then(|id| self.get(id)
- .context("Failed to get FileLockEntry")
- .map_err(Error::from))
- .context("Failed to get Bookmark Collection")
- .map_err(Error::from)
- }
-
- fn delete(&'a self, name: &str) -> Result<()> {
- crate::module_path::new_id(name)
- .and_then(|id| self.delete(id)
- .context("Failed to delete FileLockEntry")
- .map_err(Error::from))
- .context("Failed to delete Bookmark Collection")
- .map_err(Error::from)
- }
-
-}
-
-pub trait BookmarkCollection : Sized + Linkable + UrlLinker {
- fn get_links<'a>(&self, store: &'a Store) -> Result<UrlIter<'a>>;
- fn link_entries(&self) -> Result<Vec<StoreLink>>;
- fn add_link(&mut self, store: &Store, l: Link) -> Result<Vec<StoreId>>;
- fn get_links_matching<'a>(&self, store: &'a Store, r: Regex) -> Result<LinksMatchingRegexIter<'a>>;
- fn remove_link(&mut self, store: &Store, l: Link) -> Result<Vec<StoreId>>;
-}
-
-impl BookmarkCollection for Entry {
-
- fn get_links<'a>(&self, store: &'a Store) -> Result<UrlIter<'a>> {
- self.get_urls(store)
- }
-
- #[allow(clippy::redundant_closure)]
- fn link_entries(&self) -> Result<Vec<StoreLink>> {
- use libimagentryurl::util::is_external_link_storeid;
- self.links().map(|v| v.filter(|id| is_external_link_storeid(id)).collect())
- }
-
- fn add_link(&mut self, store: &Store, l: Link) -> Result<Vec<StoreId>> {
- use crate::link::IntoUrl;
- l.into_url().and_then(|url| self.add_url(store, url))
- }
-
- fn get_links_matching<'a>(&self, store: &'a Store, r: Regex) -> Result<LinksMatchingRegexIter<'a>> {
- use self::iter::IntoLinksMatchingRegexIter;
- self.get_urls(store).map(|iter| iter.matching_regex(r))
- }
-
- fn remove_link(&mut self, store: &Store, l: Link) -> Result<Vec<StoreId>> {
- use crate::link::IntoUrl;
- l.into_url().and_then(|url| self.remove_url(store, url))
- }
-
-}
-
-pub mod iter {
- use crate::link::Link;
- use failure::Fallible as Result;
- use regex::Regex;
-
- use libimagentryurl::iter::UrlIter;
-
- pub struct LinkIter<I>(I)
- where I: Iterator<Item = Link>;
-
- impl<I: Iterator<Item = Link>> LinkIter<I> {
- pub fn new(i: I) -> LinkIter<I> {
- LinkIter(i)
- }
- }
-
- impl<I: Iterator<Item = Link>> Iterator for LinkIter<I> {
- type Item = Link;
-
- fn next(&mut self) -> Option<Self::Item> {
- self.0.next()
- }
- }
-
- impl<I> From<I> for LinkIter<I> where I: Iterator<Item = Link> {
- fn from(i: I) -> LinkIter<I> {
- LinkIter(i)
- }
- }
-
- pub struct LinksMatchingRegexIter<'a>(UrlIter<'a>, Regex);
-
- impl<'a> LinksMatchingRegexIter<'a> {
- pub fn new(i: UrlIter<'a>, r: Regex) -> LinksMatchingRegexIter<'a> {
- LinksMatchingRegexIter(i, r)
- }
- }
-
- impl<'a> Iterator for LinksMatchingRegexIter<'a> {
- type Item = Result<Link>;
-
- fn next(&mut self) -> Option<Self::Item> {
- loop {
- let n = match self.0.next() {
- Some(Ok(n)) => n,
- Some(Err(e)) => return Some(Err(e)),
- None => return None,
- };
-
- let s = n.into_string();
- if self.1.is_match(&s[..]) {
- return Some(Ok(Link::from(s)))
- } else {
- continue;
- }
- }
- }
- }
-
- pub trait IntoLinksMatchingRegexIter<'a> {
- fn matching_regex(self, _: Regex) -> LinksMatchingRegexIter<'a>;
- }
-
- impl<'a> IntoLinksMatchingRegexIter<'a> for UrlIter<'a> {
- fn matching_regex(self, r: Regex) -> LinksMatchingRegexIter<'a> {
- LinksMatchingRegexIter(self, r)
- }
- }
-
-}
-