This commit is contained in:
mpostma 2020-10-13 13:50:42 +02:00
parent 1639a7338d
commit dc2e5ceed2
8 changed files with 26 additions and 99 deletions

View file

@ -16,14 +16,6 @@ impl<T> OptionAll<T> {
std::mem::replace(self, OptionAll::None)
}
fn map<U, F: FnOnce(T) -> U>(self, f: F) -> OptionAll<U> {
match self {
OptionAll::Some(x) => OptionAll::Some(f(x)),
OptionAll::All => OptionAll::All,
OptionAll::None => OptionAll::None,
}
}
pub fn is_all(&self) -> bool {
matches!(self, OptionAll::All)
}
@ -44,7 +36,7 @@ pub struct Schema {
displayed: OptionAll<HashSet<FieldId>>,
indexed: OptionAll<HashSet<FieldId>>,
indexed_map: HashMap<FieldId, IndexedPos>,
fields_position: HashMap<FieldId, IndexedPos>,
}
impl Schema {
@ -68,7 +60,7 @@ impl Schema {
ranked: HashSet::new(),
displayed: OptionAll::All,
indexed: OptionAll::All,
indexed_map,
fields_position: indexed_map,
}
}
@ -109,15 +101,15 @@ impl Schema {
self.fields_map.insert(name)
}
pub fn insert_and_index(&mut self, name: &str) -> SResult<FieldId> {
pub fn register_field(&mut self, name: &str) -> SResult<FieldId> {
match self.fields_map.id(name) {
Some(id) => {
Ok(id)
}
None => {
let id = self.fields_map.insert(name)?;
let pos = self.indexed_map.len() as u16;
self.indexed_map.insert(id, pos.into());
let pos = self.fields_position.len() as u16;
self.fields_position.insert(id, pos.into());
Ok(id)
}
}
@ -163,9 +155,9 @@ impl Schema {
OptionAll::Some(ref v) => v.iter().cloned().collect(),
OptionAll::All => {
let fields = self
.indexed_map
.iter()
.map(|(&f, _)| f)
.fields_position
.keys()
.cloned()
.collect();
fields
},
@ -202,18 +194,16 @@ impl Schema {
pub fn set_indexed(&mut self, name: &str) -> SResult<(FieldId, IndexedPos)> {
let id = self.fields_map.insert(name)?;
println!("setting {} indexed", name);
self.indexed = self.indexed.take().map(|mut v| {
if let OptionAll::Some(ref mut v) = self.indexed {
v.insert(id);
v
});
}
if let Some(indexed_pos) = self.indexed_map.get(&id) {
if let Some(indexed_pos) = self.fields_position.get(&id) {
return Ok((id, *indexed_pos))
};
let pos = self.indexed_map.len() as u16;
self.indexed_map.insert(id, pos.into());
let pos = self.fields_position.len() as u16;
self.fields_position.insert(id, pos.into());
Ok((id, pos.into()))
}
@ -227,56 +217,6 @@ impl Schema {
}
}
/// remove field from displayed attributes. If diplayed attributes is OptionAll::All,
/// dipslayed attributes is turned into OptionAll::Some(v) where v is all displayed attributes
/// except name.
pub fn remove_displayed(&mut self, name: &str) {
if let Some(id) = self.fields_map.id(name) {
self.displayed = match self.displayed.take() {
OptionAll::Some(mut v) => {
v.remove(&id);
OptionAll::Some(v)
}
OptionAll::All => {
let displayed = self.fields_map
.iter()
.filter_map(|(key, &value)| {
if key != name {
Some(value)
} else {
None
}
})
.collect::<HashSet<_>>();
OptionAll::Some(displayed)
}
OptionAll::None => OptionAll::None,
};
}
}
pub fn remove_indexed(&mut self, name: &str) {
if let Some(id) = self.fields_map.id(name) {
self.indexed_map.remove(&id);
self.indexed = match self.indexed.take() {
// valid because indexed is All and indexed() return the content of
// indexed_map that is already updated
OptionAll::All => {
let indexed = self.indexed_map
.iter()
.filter_map(|(&i, _)| if i != id { Some(i) } else { None })
.collect();
OptionAll::Some(indexed)
},
OptionAll::Some(mut v) => {
v.retain(|x| *x != id);
OptionAll::Some(v)
}
OptionAll::None => OptionAll::None,
}
}
}
pub fn is_ranked(&self, id: FieldId) -> bool {
self.ranked.get(&id).is_some()
}
@ -291,10 +231,10 @@ impl Schema {
pub fn is_indexed(&self, id: FieldId) -> Option<&IndexedPos> {
match self.indexed {
OptionAll::All => self.indexed_map.get(&id),
OptionAll::All => self.fields_position.get(&id),
OptionAll::Some(ref v) => {
if v.contains(&id) {
self.indexed_map.get(&id)
self.fields_position.get(&id)
} else {
None
}
@ -310,7 +250,7 @@ impl Schema {
pub fn indexed_pos_to_field_id<I: Into<IndexedPos>>(&self, pos: I) -> Option<FieldId> {
let indexed_pos = pos.into().0;
self
.indexed_map
.fields_position
.iter()
.find(|(_, &v)| v.0 == indexed_pos)
.map(|(&k, _)| k)
@ -354,11 +294,11 @@ impl Schema {
pub fn set_all_fields_as_indexed(&mut self) {
self.indexed = OptionAll::All;
self.indexed_map.clear();
self.fields_position.clear();
for (_name, id) in self.fields_map.iter() {
let pos = self.indexed_map.len() as u16;
self.indexed_map.insert(*id, pos.into());
let pos = self.fields_position.len() as u16;
self.fields_position.insert(*id, pos.into());
}
}