use std::{
fmt::{self, Debug},
ops::Deref,
result::Result as StdResult,
};
use serde::{Deserialize, Deserializer, Serialize, Serializer};
use crate::{
Result,
storage::{Cow, DataBitVec, DataVec, Storage},
util::cowvec::CowVec,
value::{
Value,
dictionary::{DictionaryEntryId, DictionaryId},
r#type::Type,
},
};
pub struct DictionaryContainer<S: Storage = Cow> {
data: S::Vec<DictionaryEntryId>,
dictionary_id: Option<DictionaryId>,
}
impl<S: Storage> Clone for DictionaryContainer<S> {
fn clone(&self) -> Self {
Self {
data: self.data.clone(),
dictionary_id: self.dictionary_id,
}
}
}
impl<S: Storage> Debug for DictionaryContainer<S>
where
S::Vec<DictionaryEntryId>: Debug,
{
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("DictionaryContainer")
.field("data", &self.data)
.field("dictionary_id", &self.dictionary_id)
.finish()
}
}
impl<S: Storage> PartialEq for DictionaryContainer<S>
where
S::Vec<DictionaryEntryId>: PartialEq,
{
fn eq(&self, other: &Self) -> bool {
self.data == other.data && self.dictionary_id == other.dictionary_id
}
}
impl Serialize for DictionaryContainer<Cow> {
fn serialize<Ser: Serializer>(&self, serializer: Ser) -> StdResult<Ser::Ok, Ser::Error> {
#[derive(Serialize)]
struct Helper<'a> {
data: &'a CowVec<DictionaryEntryId>,
dictionary_id: Option<DictionaryId>,
}
Helper {
data: &self.data,
dictionary_id: self.dictionary_id,
}
.serialize(serializer)
}
}
impl<'de> Deserialize<'de> for DictionaryContainer<Cow> {
fn deserialize<D: Deserializer<'de>>(deserializer: D) -> StdResult<Self, D::Error> {
#[derive(Deserialize)]
struct Helper {
data: CowVec<DictionaryEntryId>,
dictionary_id: Option<DictionaryId>,
}
let h = Helper::deserialize(deserializer)?;
Ok(DictionaryContainer {
data: h.data,
dictionary_id: h.dictionary_id,
})
}
}
impl<S: Storage> Deref for DictionaryContainer<S> {
type Target = [DictionaryEntryId];
fn deref(&self) -> &Self::Target {
self.data.as_slice()
}
}
impl DictionaryContainer<Cow> {
pub fn new(data: Vec<DictionaryEntryId>) -> Self {
Self {
data: CowVec::new(data),
dictionary_id: None,
}
}
pub fn from_vec(data: Vec<DictionaryEntryId>) -> Self {
Self {
data: CowVec::new(data),
dictionary_id: None,
}
}
pub fn with_capacity(capacity: usize) -> Self {
Self {
data: CowVec::with_capacity(capacity),
dictionary_id: None,
}
}
}
impl<S: Storage> DictionaryContainer<S> {
pub fn from_parts(data: S::Vec<DictionaryEntryId>, dictionary_id: Option<DictionaryId>) -> Self {
Self {
data,
dictionary_id,
}
}
pub fn len(&self) -> usize {
DataVec::len(&self.data)
}
pub fn is_empty(&self) -> bool {
DataVec::is_empty(&self.data)
}
pub fn clear(&mut self) {
DataVec::clear(&mut self.data);
}
pub fn push(&mut self, value: impl Into<Option<DictionaryEntryId>>) {
let value = value.into();
match value {
Some(id) => {
DataVec::push(&mut self.data, id);
}
None => {
DataVec::push(&mut self.data, DictionaryEntryId::default());
}
}
}
pub fn push_default(&mut self) {
self.push(None);
}
pub fn get(&self, index: usize) -> Option<DictionaryEntryId> {
if index < self.len() {
Some(self.data[index])
} else {
None
}
}
pub fn iter(&self) -> impl Iterator<Item = Option<DictionaryEntryId>> + '_ {
self.data.iter().map(|&id| Some(id))
}
pub fn data(&self) -> &S::Vec<DictionaryEntryId> {
&self.data
}
pub fn data_mut(&mut self) -> &mut S::Vec<DictionaryEntryId> {
&mut self.data
}
pub fn dictionary_id(&self) -> Option<DictionaryId> {
self.dictionary_id
}
pub fn set_dictionary_id(&mut self, id: DictionaryId) {
self.dictionary_id = Some(id);
}
pub fn is_defined(&self, idx: usize) -> bool {
idx < self.len()
}
pub fn extend(&mut self, other: &Self) -> Result<()> {
DataVec::extend_from_slice(&mut self.data, DataVec::as_slice(&other.data));
Ok(())
}
pub fn get_value(&self, index: usize) -> Value {
self.get(index).map(Value::DictionaryId).unwrap_or(Value::none_of(Type::DictionaryId))
}
pub fn filter(&mut self, mask: &S::BitVec) {
let mut new_data = DataVec::spawn(&self.data, DataBitVec::count_ones(mask));
for (i, keep) in DataBitVec::iter(mask).enumerate() {
if keep && i < DataVec::len(&self.data) {
DataVec::push(&mut new_data, self.data[i]);
}
}
self.data = new_data;
}
pub fn reorder(&mut self, indices: &[usize]) {
let mut new_data = DataVec::spawn(&self.data, indices.len());
for &index in indices {
if index < DataVec::len(&self.data) {
DataVec::push(&mut new_data, self.data[index]);
} else {
DataVec::push(&mut new_data, DictionaryEntryId::default());
}
}
self.data = new_data;
}
pub fn take(&self, num: usize) -> Self {
Self {
data: DataVec::take(&self.data, num),
dictionary_id: self.dictionary_id,
}
}
pub fn slice(&self, start: usize, end: usize) -> Self {
let count = (end - start).min(self.len().saturating_sub(start));
let mut new_data = DataVec::spawn(&self.data, count);
for i in start..(start + count) {
DataVec::push(&mut new_data, self.data[i]);
}
Self {
data: new_data,
dictionary_id: self.dictionary_id,
}
}
pub fn as_string(&self, index: usize) -> String {
self.get(index).map(|id| id.to_string()).unwrap_or_else(|| "none".to_string())
}
pub fn capacity(&self) -> usize {
DataVec::capacity(&self.data)
}
}
impl From<Vec<DictionaryEntryId>> for DictionaryContainer<Cow> {
fn from(data: Vec<DictionaryEntryId>) -> Self {
Self::from_vec(data)
}
}
impl FromIterator<Option<DictionaryEntryId>> for DictionaryContainer<Cow> {
fn from_iter<T: IntoIterator<Item = Option<DictionaryEntryId>>>(iter: T) -> Self {
let mut container = Self::with_capacity(0);
for item in iter {
container.push(item);
}
container
}
}